812880 Commits

Author SHA1 Message Date
Kuniyuki Iwashima
84546cc1ae tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().
[ Upstream commit f2db7230f73a80dbb179deab78f88a7947f0ab7e ]

Anderson Nascimento reported a use-after-free splat in tcp_twsk_unique()
with nice analysis.

Since commit ec94c2696f0b ("tcp/dccp: avoid one atomic operation for
timewait hashdance"), inet_twsk_hashdance() sets TIME-WAIT socket's
sk_refcnt after putting it into ehash and releasing the bucket lock.

Thus, there is a small race window where other threads could try to
reuse the port during connect() and call sock_hold() in tcp_twsk_unique()
for the TIME-WAIT socket with zero refcnt.

If that happens, the refcnt taken by tcp_twsk_unique() is overwritten
and sock_put() will cause underflow, triggering a real use-after-free
somewhere else.

To avoid the use-after-free, we need to use refcount_inc_not_zero() in
tcp_twsk_unique() and give up on reusing the port if it returns false.

[0]:
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 0 PID: 1039313 at lib/refcount.c:25 refcount_warn_saturate+0xe5/0x110
CPU: 0 PID: 1039313 Comm: trigger Not tainted 6.8.6-200.fc39.x86_64 #1
Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.21805430.B64.2305221830 05/22/2023
RIP: 0010:refcount_warn_saturate+0xe5/0x110
Code: 42 8e ff 0f 0b c3 cc cc cc cc 80 3d aa 13 ea 01 00 0f 85 5e ff ff ff 48 c7 c7 f8 8e b7 82 c6 05 96 13 ea 01 01 e8 7b 42 8e ff <0f> 0b c3 cc cc cc cc 48 c7 c7 50 8f b7 82 c6 05 7a 13 ea 01 01 e8
RSP: 0018:ffffc90006b43b60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888009bb3ef0 RCX: 0000000000000027
RDX: ffff88807be218c8 RSI: 0000000000000001 RDI: ffff88807be218c0
RBP: 0000000000069d70 R08: 0000000000000000 R09: ffffc90006b439f0
R10: ffffc90006b439e8 R11: 0000000000000003 R12: ffff8880029ede84
R13: 0000000000004e20 R14: ffffffff84356dc0 R15: ffff888009bb3ef0
FS:  00007f62c10926c0(0000) GS:ffff88807be00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ccb000 CR3: 000000004628c005 CR4: 0000000000f70ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? refcount_warn_saturate+0xe5/0x110
 ? __warn+0x81/0x130
 ? refcount_warn_saturate+0xe5/0x110
 ? report_bug+0x171/0x1a0
 ? refcount_warn_saturate+0xe5/0x110
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? refcount_warn_saturate+0xe5/0x110
 tcp_twsk_unique+0x186/0x190
 __inet_check_established+0x176/0x2d0
 __inet_hash_connect+0x74/0x7d0
 ? __pfx___inet_check_established+0x10/0x10
 tcp_v4_connect+0x278/0x530
 __inet_stream_connect+0x10f/0x3d0
 inet_stream_connect+0x3a/0x60
 __sys_connect+0xa8/0xd0
 __x64_sys_connect+0x18/0x20
 do_syscall_64+0x83/0x170
 entry_SYSCALL_64_after_hwframe+0x78/0x80
RIP: 0033:0x7f62c11a885d
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a3 45 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007f62c1091e58 EFLAGS: 00000296 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000020ccb004 RCX: 00007f62c11a885d
RDX: 0000000000000010 RSI: 0000000020ccb000 RDI: 0000000000000003
RBP: 00007f62c1091e90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 00007f62c10926c0
R13: ffffffffffffff88 R14: 0000000000000000 R15: 00007ffe237885b0
 </TASK>

Fixes: ec94c2696f0b ("tcp/dccp: avoid one atomic operation for timewait hashdance")
Reported-by: Anderson Nascimento <anderson@allelesecurity.com>
Closes: https://lore.kernel.org/netdev/37a477a6-d39e-486b-9577-3463f655a6b7@allelesecurity.com/
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240501213145.62261-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Eric Dumazet
34e41a031f tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
[ Upstream commit 94062790aedb505bdda209b10bea47b294d6394f ]

TCP_SYN_RECV state is really special, it is only used by
cross-syn connections, mostly used by fuzzers.

In the following crash [1], syzbot managed to trigger a divide
by zero in tcp_rcv_space_adjust()

A socket makes the following state transitions,
without ever calling tcp_init_transfer(),
meaning tcp_init_buffer_space() is also not called.

         TCP_CLOSE
connect()
         TCP_SYN_SENT
         TCP_SYN_RECV
shutdown() -> tcp_shutdown(sk, SEND_SHUTDOWN)
         TCP_FIN_WAIT1

To fix this issue, change tcp_shutdown() to not
perform a TCP_SYN_RECV -> TCP_FIN_WAIT1 transition,
which makes no sense anyway.

When tcp_rcv_state_process() later changes socket state
from TCP_SYN_RECV to TCP_ESTABLISH, then look at
sk->sk_shutdown to finally enter TCP_FIN_WAIT1 state,
and send a FIN packet from a sane socket state.

This means tcp_send_fin() can now be called from BH
context, and must use GFP_ATOMIC allocations.

[1]
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
 RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767
Code: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 <48> f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48
RSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246
RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7
R10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30
R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da
FS:  00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
  tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513
  tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578
  inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680
  sock_recvmsg_nosec net/socket.c:1046 [inline]
  sock_recvmsg+0x109/0x280 net/socket.c:1068
  ____sys_recvmsg+0x1db/0x470 net/socket.c:2803
  ___sys_recvmsg net/socket.c:2845 [inline]
  do_recvmmsg+0x474/0xae0 net/socket.c:2939
  __sys_recvmmsg net/socket.c:3018 [inline]
  __do_sys_recvmmsg net/socket.c:3041 [inline]
  __se_sys_recvmmsg net/socket.c:3034 [inline]
  __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034
  do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faeb6363db9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9
RDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c
R10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Link: https://lore.kernel.org/r/20240501125448.896529-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Colin Ian King
6f7082e284 tcp: remove redundant check on tskb
[ Upstream commit d1edc085559744fbda7a55e97eeae8bd6135a11b ]

The non-null check on tskb is always false because it is in an else
path of a check on tskb and hence tskb is null in this code block.
This is check is therefore redundant and can be removed as well
as the label coalesc.

if (tsbk) {
        ...
} else {
        ...
        if (unlikely(!skb)) {
                if (tskb)       /* can never be true, redundant code */
                        goto coalesc;
                return;
        }
}

Addresses-Coverity: ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 94062790aedb ("tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Vanillan Wang
a1a3346ef3 net:usb:qmi_wwan: support Rolling modules
[ Upstream commit d362046021ea122309da8c8e0b6850c792ca97b5 ]

Update the qmi_wwan driver support for the Rolling
LTE modules.

- VID:PID 33f8:0104, RW101-GL for laptop debug M.2 cards(with RMNET
interface for /Linux/Chrome OS)
0x0104: RMNET, diag, at, pipe

Here are the outputs of usb-devices:
T:  Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0
D:  Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  1
P:  Vendor=33f8 ProdID=0104 Rev=05.04
S:  Manufacturer=Rolling Wireless S.a.r.l.
S:  Product=Rolling Module
S:  SerialNumber=ba2eb033
C:  #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E:  Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=85(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E:  Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=87(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I:  If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E:  Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=88(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
E:  Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:  If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E:  Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=89(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms

Signed-off-by: Vanillan Wang <vanillanwang@163.com>
Link: https://lore.kernel.org/r/20240416120713.24777-1-vanillanwang@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Joakim Sindholt
cc3d6fbd64 fs/9p: drop inodes immediately on non-.L too
[ Upstream commit 7fd524b9bd1be210fe79035800f4bd78a41b349f ]

Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Andy Shevchenko
e4c744a9c1 gpio: crystalcove: Use -ENOTSUPP consistently
[ Upstream commit ace0ebe5c98d66889f19e0f30e2518d0c58d0e04 ]

The GPIO library expects the drivers to return -ENOTSUPP in some
cases and not using analogue POSIX code. Make the driver to follow
this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Andy Shevchenko
a0c966b4d7 gpio: wcove: Use -ENOTSUPP consistently
[ Upstream commit 0c3b532ad3fbf82884a2e7e83e37c7dcdd4d1d99 ]

The GPIO library expects the drivers to return -ENOTSUPP in some
cases and not using analogue POSIX code. Make the driver to follow
this.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Jeff Layton
1b90be6698 9p: explicitly deny setlease attempts
[ Upstream commit 7a84602297d36617dbdadeba55a2567031e5165b ]

9p is a remote network protocol, and it doesn't support asynchronous
notifications from the server. Ensure that we don't hand out any leases
since we can't guarantee they'll be broken when a file's contents
change.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Joakim Sindholt
0ce2676013 fs/9p: translate O_TRUNC into OTRUNC
[ Upstream commit 87de39e70503e04ddb58965520b15eb9efa7eef3 ]

This one hits both 9P2000 and .u as it appears v9fs has never translated
the O_TRUNC flag.

Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:41 +02:00
Joakim Sindholt
e90bc596a7 fs/9p: only translate RWX permissions for plain 9P2000
[ Upstream commit cd25e15e57e68a6b18dc9323047fe9c68b99290b ]

Garbage in plain 9P2000's perm bits is allowed through, which causes it
to be able to set (among others) the suid bit. This was presumably not
the intent since the unix extended bits are handled explicitly and
conditionally on .u.

Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
John Stultz
968908c39d selftests: timers: Fix valid-adjtimex signed left-shift undefined behavior
[ Upstream commit 076361362122a6d8a4c45f172ced5576b2d4a50d ]

The struct adjtimex freq field takes a signed value who's units are in
shifted (<<16) parts-per-million.

Unfortunately for negative adjustments, the straightforward use of:

  freq = ppm << 16 trips undefined behavior warnings with clang:

valid-adjtimex.c:66:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
        -499<<16,
        ~~~~^
valid-adjtimex.c:67:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
        -450<<16,
        ~~~~^
..

Fix it by using a multiply by (1 << 16) instead of shifting negative values
in the valid-adjtimex test case. Align the values for better readability.

Reported-by: Lee Jones <joneslee@google.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240409202222.2830476-1-jstultz@google.com
Link: https://lore.kernel.org/lkml/0c6d4f0d-2064-4444-986b-1d1ed782135f@collabora.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Maurizio Lombardi
2c9cb7a564 scsi: target: Fix SELinux error when systemd-modules loads the target module
[ Upstream commit 97a54ef596c3fd24ec2b227ba8aaf2cf5415e779 ]

If the systemd-modules service loads the target module, the credentials of
that userspace process will be used to validate the access to the target db
directory.  SELinux will prevent it, reporting an error like the following:

kernel: audit: type=1400 audit(1676301082.205:4): avc: denied  { read }
for  pid=1020 comm="systemd-modules" name="target" dev="dm-3"
ino=4657583 scontext=system_u:system_r:systemd_modules_load_t:s0
tcontext=system_u:object_r:targetd_etc_rw_t:s0 tclass=dir permissive=0

Fix the error by using the kernel credentials to access the db directory

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Link: https://lore.kernel.org/r/20240215143944.847184-2-mlombard@redhat.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Boris Burkov
958e39ae2d btrfs: always clear PERTRANS metadata during commit
[ Upstream commit 6e68de0bb0ed59e0554a0c15ede7308c47351e2d ]

It is possible to clear a root's IN_TRANS tag from the radix tree, but
not clear its PERTRANS, if there is some error in between. Eliminate
that possibility by moving the free up to where we clear the tag.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Boris Burkov
6cc901559e btrfs: make btrfs_clear_delalloc_extent() free delalloc reserve
[ Upstream commit 3c6f0c5ecc8910d4ffb0dfe85609ebc0c91c8f34 ]

Currently, this call site in btrfs_clear_delalloc_extent() only converts
the reservation. We are marking it not delalloc, so I don't think it
makes sense to keep the rsv around.  This is a path where we are not
sure to join a transaction, so it leads to incorrect free-ing during
umount.

Helps with the pass rate of generic/269 and generic/475.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Peng Liu
5225091f94 tools/power turbostat: Fix Bzy_MHz documentation typo
[ Upstream commit 0b13410b52c4636aacb6964a4253a797c0fa0d16 ]

The code calculates Bzy_MHz by multiplying TSC_delta * APERF_delta/MPERF_delta
The man page erroneously showed that TSC_delta was divided.

Signed-off-by: Peng Liu <liupeng17@lenovo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Doug Smythies
e13c8b6b86 tools/power turbostat: Fix added raw MSR output
[ Upstream commit e5f4e68eed85fa8495d78cd966eecc2b27bb9e53 ]

When using --Summary mode, added MSRs in raw mode always
print zeros. Print the actual register contents.

Example, with patch:

note the added column:
--add msr0x64f,u32,package,raw,REASON

Where:

0x64F is MSR_CORE_PERF_LIMIT_REASONS

Busy%   Bzy_MHz PkgTmp  PkgWatt CorWatt     REASON
0.00    4800    35      1.42    0.76    0x00000000
0.00    4801    34      1.42    0.76    0x00000000
80.08   4531    66      108.17  107.52  0x08000000
98.69   4530    66      133.21  132.54  0x08000000
99.28   4505    66      128.26  127.60  0x0c000400
99.65   4486    68      124.91  124.25  0x0c000400
99.63   4483    68      124.90  124.25  0x0c000400
79.34   4481    41      99.80   99.13   0x0c000000
0.00    4801    41      1.40    0.73    0x0c000000

Where, for the test processor (i5-10600K):

PKG Limit #1: 125.000 Watts, 8.000000 sec
MSR bit 26 = log; bit 10 = status

PKG Limit #2: 136.000 Watts, 0.002441 sec
MSR bit 27 = log; bit 11 = status

Example, without patch:

Busy%   Bzy_MHz PkgTmp  PkgWatt CorWatt     REASON
0.01    4800    35      1.43    0.77    0x00000000
0.00    4801    35      1.39    0.73    0x00000000
83.49   4531    66      112.71  112.06  0x00000000
98.69   4530    68      133.35  132.69  0x00000000
99.31   4500    67      127.96  127.30  0x00000000
99.63   4483    69      124.91  124.25  0x00000000
99.61   4481    69      124.90  124.25  0x00000000
99.61   4481    71      124.92  124.25  0x00000000
59.35   4479    42      75.03   74.37   0x00000000
0.00    4800    42      1.39    0.73    0x00000000
0.00    4801    42      1.42    0.76    0x00000000

c000000

[lenb: simplified patch to apply only to package scope]

Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Adam Goldman
b3948c69d6 firewire: ohci: mask bus reset interrupts between ISR and bottom half
[ Upstream commit 752e3c53de0fa3b7d817a83050b6699b8e9c6ec9 ]

In the FireWire OHCI interrupt handler, if a bus reset interrupt has
occurred, mask bus reset interrupts until bus_reset_work has serviced and
cleared the interrupt.

Normally, we always leave bus reset interrupts masked. We infer the bus
reset from the self-ID interrupt that happens shortly thereafter. A
scenario where we unmask bus reset interrupts was introduced in 2008 in
a007bb857e0b26f5d8b73c2ff90782d9c0972620: If
OHCI_PARAM_DEBUG_BUSRESETS (8) is set in the debug parameter bitmask, we
will unmask bus reset interrupts so we can log them.

irq_handler logs the bus reset interrupt. However, we can't clear the bus
reset event flag in irq_handler, because we won't service the event until
later. irq_handler exits with the event flag still set. If the
corresponding interrupt is still unmasked, the first bus reset will
usually freeze the system due to irq_handler being called again each
time it exits. This freeze can be reproduced by loading firewire_ohci
with "modprobe firewire_ohci debug=-1" (to enable all debugging output).
Apparently there are also some cases where bus_reset_work will get called
soon enough to clear the event, and operation will continue normally.

This freeze was first reported a few months after a007bb85 was committed,
but until now it was never fixed. The debug level could safely be set
to -1 through sysfs after the module was loaded, but this would be
ineffectual in logging bus reset interrupts since they were only
unmasked during initialization.

irq_handler will now leave the event flag set but mask bus reset
interrupts, so irq_handler won't be called again and there will be no
freeze. If OHCI_PARAM_DEBUG_BUSRESETS is enabled, bus_reset_work will
unmask the interrupt after servicing the event, so future interrupts
will be caught as desired.

As a side effect to this change, OHCI_PARAM_DEBUG_BUSRESETS can now be
enabled through sysfs in addition to during initial module loading.
However, when enabled through sysfs, logging of bus reset interrupts will
be effective only starting with the second bus reset, after
bus_reset_work has executed.

Signed-off-by: Adam Goldman <adamg@pobox.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:40 +02:00
Chen Ni
4732509529 ata: sata_gemini: Check clk_enable() result
[ Upstream commit e85006ae7430aef780cc4f0849692e266a102ec0 ]

The call to clk_enable() in gemini_sata_start_bridge() can fail.
Add a check to detect such failure.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Phil Elwell
510e7b18fd net: bcmgenet: Reset RBUF on first open
[ Upstream commit 0a6380cb4c6b5c1d6dad226ba3130f9090f0ccea ]

If the RBUF logic is not reset when the kernel starts then there
may be some data left over from any network boot loader. If the
64-byte packet headers are enabled then this can be fatal.

Extend bcmgenet_dma_disable to do perform the reset, but not when
called from bcmgenet_resume in order to preserve a wake packet.

N.B. This different handling of resume is just based on a hunch -
why else wouldn't one reset the RBUF as well as the TBUF? If this
isn't the case then it's easy to change the patch to make the RBUF
reset unconditional.

See: https://github.com/raspberrypi/linux/issues/3850
See: https://github.com/raspberrypi/firmware/issues/1882

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Signed-off-by: Maarten Vanraes <maarten@rmail.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Takashi Iwai
c957c9432f ALSA: line6: Zero-initialize message buffers
[ Upstream commit c4e51e424e2c772ce1836912a8b0b87cd61bc9d5 ]

For shutting up spurious KMSAN uninit-value warnings, just replace
kmalloc() calls with kzalloc() for the buffers used for
communications.  There should be no real issue with the original code,
but it's still better to cover.

Reported-by: syzbot+7fb05ccf7b3d2f9617b3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/r/00000000000084b18706150bcca5@google.com
Message-ID: <20240402063628.26609-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Saurav Kashyap
468f3e3c15 scsi: bnx2fc: Remove spin_lock_bh while releasing resources after upload
[ Upstream commit c214ed2a4dda35b308b0b28eed804d7ae66401f9 ]

The session resources are used by FW and driver when session is offloaded,
once session is uploaded these resources are not used. The lock is not
required as these fields won't be used any longer. The offload and upload
calls are sequential, hence lock is not required.

This will suppress following BUG_ON():

[  449.843143] ------------[ cut here ]------------
[  449.848302] kernel BUG at mm/vmalloc.c:2727!
[  449.853072] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[  449.858712] CPU: 5 PID: 1996 Comm: kworker/u24:2 Not tainted 5.14.0-118.el9.x86_64 #1
Rebooting.
[  449.867454] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.3.4 11/08/2016
[  449.876966] Workqueue: fc_rport_eq fc_rport_work [libfc]
[  449.882910] RIP: 0010:vunmap+0x2e/0x30
[  449.887098] Code: 00 65 8b 05 14 a2 f0 4a a9 00 ff ff 00 75 1b 55 48 89 fd e8 34 36 79 00 48 85 ed 74 0b 48 89 ef 31 f6 5d e9 14 fc ff ff 5d c3 <0f> 0b 0f 1f 44 00 00 41 57 41 56 49 89 ce 41 55 49 89 fd 41 54 41
[  449.908054] RSP: 0018:ffffb83d878b3d68 EFLAGS: 00010206
[  449.913887] RAX: 0000000080000201 RBX: ffff8f4355133550 RCX: 000000000d400005
[  449.921843] RDX: 0000000000000001 RSI: 0000000000001000 RDI: ffffb83da53f5000
[  449.929808] RBP: ffff8f4ac6675800 R08: ffffb83d878b3d30 R09: 00000000000efbdf
[  449.937774] R10: 0000000000000003 R11: ffff8f434573e000 R12: 0000000000001000
[  449.945736] R13: 0000000000001000 R14: ffffb83da53f5000 R15: ffff8f43d4ea3ae0
[  449.953701] FS:  0000000000000000(0000) GS:ffff8f529fc80000(0000) knlGS:0000000000000000
[  449.962732] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  449.969138] CR2: 00007f8cf993e150 CR3: 0000000efbe10003 CR4: 00000000003706e0
[  449.977102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  449.985065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  449.993028] Call Trace:
[  449.995756]  __iommu_dma_free+0x96/0x100
[  450.000139]  bnx2fc_free_session_resc+0x67/0x240 [bnx2fc]
[  450.006171]  bnx2fc_upload_session+0xce/0x100 [bnx2fc]
[  450.011910]  bnx2fc_rport_event_handler+0x9f/0x240 [bnx2fc]
[  450.018136]  fc_rport_work+0x103/0x5b0 [libfc]
[  450.023103]  process_one_work+0x1e8/0x3c0
[  450.027581]  worker_thread+0x50/0x3b0
[  450.031669]  ? rescuer_thread+0x370/0x370
[  450.036143]  kthread+0x149/0x170
[  450.039744]  ? set_kthread_struct+0x40/0x40
[  450.044411]  ret_from_fork+0x22/0x30
[  450.048404] Modules linked in: vfat msdos fat xfs nfs_layout_nfsv41_files rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver dm_service_time qedf qed crc8 bnx2fc libfcoe libfc scsi_transport_fc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp dcdbas rapl intel_cstate intel_uncore mei_me pcspkr mei ipmi_ssif lpc_ich ipmi_si fuse zram ext4 mbcache jbd2 loop nfsv3 nfs_acl nfs lockd grace fscache netfs irdma ice sd_mod t10_pi sg ib_uverbs ib_core 8021q garp mrp stp llc mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt mxm_wmi fb_sys_fops cec crct10dif_pclmul ahci crc32_pclmul bnx2x drm ghash_clmulni_intel libahci rfkill i40e libata megaraid_sas mdio wmi sunrpc lrw dm_crypt dm_round_robin dm_multipath dm_snapshot dm_bufio dm_mirror dm_region_hash dm_log dm_zero dm_mod linear raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx raid6_pq libcrc32c crc32c_intel raid1 raid0 iscsi_ibft squashfs be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls
[  450.048497]  libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi edd ipmi_devintf ipmi_msghandler
[  450.159753] ---[ end trace 712de2c57c64abc8 ]---

Reported-by: Guangwu Zhang <guazhang@redhat.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240315071427.31842-1-skashyap@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
linke li
9e7538cb81 net: mark racy access on sk->sk_rcvbuf
[ Upstream commit c2deb2e971f5d9aca941ef13ee05566979e337a4 ]

sk->sk_rcvbuf in __sock_queue_rcv_skb() and __sk_receive_skb() can be
changed by other threads. Mark this as benign using READ_ONCE().

This patch is aimed at reducing the number of benign races reported by
KCSAN in order to focus future debugging effort on harmful races.

Signed-off-by: linke li <lilinke99@qq.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Jeff Johnson
fd10730c90 wifi: mac80211: fix ieee80211_bss_*_flags kernel-doc
[ Upstream commit 774f8841f55d7ac4044c79812691649da203584a ]

Running kernel-doc on ieee80211_i.h flagged the following:
net/mac80211/ieee80211_i.h:145: warning: expecting prototype for enum ieee80211_corrupt_data_flags. Prototype was for enum ieee80211_bss_corrupt_data_flags instead
net/mac80211/ieee80211_i.h:162: warning: expecting prototype for enum ieee80211_valid_data_flags. Prototype was for enum ieee80211_bss_valid_data_flags instead

Fix these warnings.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://msgid.link/20240314-kdoc-ieee80211_i-v1-1-72b91b55b257@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Andrew Price
9ad9c16eb4 gfs2: Fix invalid metadata access in punch_hole
[ Upstream commit c95346ac918c5badf51b9a7ac58a26d3bd5bb224 ]

In punch_hole(), when the offset lies in the final block for a given
height, there is no hole to punch, but the maximum size check fails to
detect that.  Consequently, punch_hole() will try to punch a hole beyond
the end of the metadata and fail.  Fix the maximum size check.

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Justin Tee
b241595d3d scsi: lpfc: Update lpfc_ramp_down_queue_handler() logic
[ Upstream commit bb011631435c705cdeddca68d5c85fd40a4320f9 ]

Typically when an out of resource CQE status is detected, the
lpfc_ramp_down_queue_handler() logic is called to help reduce I/O load by
reducing an sdev's queue_depth.

However, the current lpfc_rampdown_queue_depth() logic does not help reduce
queue_depth.  num_cmd_success is never updated and is always zero, which
means new_queue_depth will always be set to sdev->queue_depth.  So,
new_queue_depth = sdev->queue_depth - new_queue_depth always sets
new_queue_depth to zero.  And, scsi_change_queue_depth(sdev, 0) is
essentially a no-op.

Change the lpfc_ramp_down_queue_handler() logic to set new_queue_depth
equal to sdev->queue_depth subtracted from number of times num_rsrc_err was
incremented.  If num_rsrc_err is >= sdev->queue_depth, then set
new_queue_depth equal to 1.  Eventually, the frequency of Good_Status
frames will signal SCSI upper layer to auto increase the queue_depth back
to the driver default of 64 via scsi_handle_queue_ramp_up().

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:39 +02:00
Xin Long
01cd1b7b68 tipc: fix a possible memleak in tipc_buf_append
[ Upstream commit 97bf6f81b29a8efaf5d0983251a7450e5794370d ]

__skb_linearize() doesn't free the skb when it fails, so move
'*buf = NULL' after __skb_linearize(), so that the skb can be
freed on the err path.

Fixes: b7df21cf1b79 ("tipc: skb_linearize the head skb when reassembling msgs")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Link: https://lore.kernel.org/r/90710748c29a1521efac4f75ea01b3b7e61414cf.1714485818.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Felix Fietkau
01386957ca net: bridge: fix multicast-to-unicast with fraglist GSO
[ Upstream commit 59c878cbcdd80ed39315573b3511d0acfd3501b5 ]

Calling skb_copy on a SKB_GSO_FRAGLIST skb is not valid, since it returns
an invalid linearized skb. This code only needs to change the ethernet
header, so pskb_copy is the right function to call here.

Fixes: 6db6f0eae605 ("bridge: multicast to unicast")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Marek Behún
0c27eb63bd net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341
[ Upstream commit b9a61c20179fda7bdfe2c1210aa72451991ab81a ]

The Topaz family (88E6141 and 88E6341) only support 256 Forwarding
Information Tables.

Fixes: a75961d0ebfd ("net: dsa: mv88e6xxx: Add support for ethernet switch 88E6341")
Fixes: 1558727a1c1b ("net: dsa: mv88e6xxx: Add support for ethernet switch 88E6141")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240429133832.9547-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Andrew Lunn
4b1f3253bf net: dsa: mv88e6xxx: Add number of MACs in the ATU
[ Upstream commit d9ea56206c4df77175321874544eb4ca48c0bac8 ]

For each supported switch, add an entry to the info structure for the
number of MACs which can be stored in the ATU. This will later be used
to export the ATU as a devlink resource, and indicate its occupancy,
how full the ATU is.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: b9a61c20179f ("net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
David Bauer
b6e4b93edc net l2tp: drop flow hash on forward
[ Upstream commit 42f853b42899d9b445763b55c3c8adc72be0f0e1 ]

Drop the flow-hash of the skb when forwarding to the L2TP netdev.

This avoids the L2TP qdisc from using the flow-hash from the outer
packet, which is identical for every flow within the tunnel.

This does not affect every platform but is specific for the ethernet
driver. It depends on the platform including L4 information in the
flow-hash.

One such example is the Mediatek Filogic MT798x family of networking
processors.

Fixes: d9e31d17ceba ("l2tp: Add L2TP ethernet pseudowire support")
Acked-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240424171110.13701-1-mail@david-bauer.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Kuniyuki Iwashima
a7c2c3c1ca nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment().
[ Upstream commit 4b911a9690d72641879ea6d13cce1de31d346d79 ]

syzbot triggered various splats (see [0] and links) by a crafted GSO
packet of VIRTIO_NET_HDR_GSO_UDP layering the following protocols:

  ETH_P_8021AD + ETH_P_NSH + ETH_P_IPV6 + IPPROTO_UDP

NSH can encapsulate IPv4, IPv6, Ethernet, NSH, and MPLS.  As the inner
protocol can be Ethernet, NSH GSO handler, nsh_gso_segment(), calls
skb_mac_gso_segment() to invoke inner protocol GSO handlers.

nsh_gso_segment() does the following for the original skb before
calling skb_mac_gso_segment()

  1. reset skb->network_header
  2. save the original skb->{mac_heaeder,mac_len} in a local variable
  3. pull the NSH header
  4. resets skb->mac_header
  5. set up skb->mac_len and skb->protocol for the inner protocol.

and does the following for the segmented skb

  6. set ntohs(ETH_P_NSH) to skb->protocol
  7. push the NSH header
  8. restore skb->mac_header
  9. set skb->mac_header + mac_len to skb->network_header
 10. restore skb->mac_len

There are two problems in 6-7 and 8-9.

  (a)
  After 6 & 7, skb->data points to the NSH header, so the outer header
  (ETH_P_8021AD in this case) is stripped when skb is sent out of netdev.

  Also, if NSH is encapsulated by NSH + Ethernet (so NSH-Ethernet-NSH),
  skb_pull() in the first nsh_gso_segment() will make skb->data point
  to the middle of the outer NSH or Ethernet header because the Ethernet
  header is not pulled by the second nsh_gso_segment().

  (b)
  While restoring skb->{mac_header,network_header} in 8 & 9,
  nsh_gso_segment() does not assume that the data in the linear
  buffer is shifted.

  However, udp6_ufo_fragment() could shift the data and change
  skb->mac_header accordingly as demonstrated by syzbot.

  If this happens, even the restored skb->mac_header points to
  the middle of the outer header.

It seems nsh_gso_segment() has never worked with outer headers so far.

At the end of nsh_gso_segment(), the outer header must be restored for
the segmented skb, instead of the NSH header.

To do that, let's calculate the outer header position relatively from
the inner header and set skb->{data,mac_header,protocol} properly.

[0]:
BUG: KMSAN: uninit-value in ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:524 [inline]
BUG: KMSAN: uninit-value in ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline]
BUG: KMSAN: uninit-value in ipvlan_queue_xmit+0xf44/0x16b0 drivers/net/ipvlan/ipvlan_core.c:668
 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:524 [inline]
 ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline]
 ipvlan_queue_xmit+0xf44/0x16b0 drivers/net/ipvlan/ipvlan_core.c:668
 ipvlan_start_xmit+0x5c/0x1a0 drivers/net/ipvlan/ipvlan_main.c:222
 __netdev_start_xmit include/linux/netdevice.h:4989 [inline]
 netdev_start_xmit include/linux/netdevice.h:5003 [inline]
 xmit_one net/core/dev.c:3547 [inline]
 dev_hard_start_xmit+0x244/0xa10 net/core/dev.c:3563
 __dev_queue_xmit+0x33ed/0x51c0 net/core/dev.c:4351
 dev_queue_xmit include/linux/netdevice.h:3171 [inline]
 packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3081 [inline]
 packet_sendmsg+0x8aef/0x9f10 net/packet/af_packet.c:3113
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x735/0xa10 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3819 [inline]
 slab_alloc_node mm/slub.c:3860 [inline]
 __do_kmalloc_node mm/slub.c:3980 [inline]
 __kmalloc_node_track_caller+0x705/0x1000 mm/slub.c:4001
 kmalloc_reserve+0x249/0x4a0 net/core/skbuff.c:582
 __alloc_skb+0x352/0x790 net/core/skbuff.c:651
 skb_segment+0x20aa/0x7080 net/core/skbuff.c:4647
 udp6_ufo_fragment+0xcab/0x1150 net/ipv6/udp_offload.c:109
 ipv6_gso_segment+0x14be/0x2ca0 net/ipv6/ip6_offload.c:152
 skb_mac_gso_segment+0x3e8/0x760 net/core/gso.c:53
 nsh_gso_segment+0x6f4/0xf70 net/nsh/nsh.c:108
 skb_mac_gso_segment+0x3e8/0x760 net/core/gso.c:53
 __skb_gso_segment+0x4b0/0x730 net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 validate_xmit_skb+0x107f/0x1930 net/core/dev.c:3628
 __dev_queue_xmit+0x1f28/0x51c0 net/core/dev.c:4343
 dev_queue_xmit include/linux/netdevice.h:3171 [inline]
 packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3081 [inline]
 packet_sendmsg+0x8aef/0x9f10 net/packet/af_packet.c:3113
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x735/0xa10 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

CPU: 1 PID: 5101 Comm: syz-executor421 Not tainted 6.8.0-rc5-syzkaller-00297-gf2e367d6ad3b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024

Fixes: c411ed854584 ("nsh: add GSO support")
Reported-and-tested-by: syzbot+42a0dc856239de4de60e@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=42a0dc856239de4de60e
Reported-and-tested-by: syzbot+c298c9f0e46a3c86332b@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=c298c9f0e46a3c86332b
Link: https://lore.kernel.org/netdev/20240415222041.18537-1-kuniyu@amazon.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240424023549.21862-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Bui Quang Minh
bd502ba81c bna: ensure the copied buf is NUL terminated
[ Upstream commit 8c34096c7fdf272fd4c0c37fe411cd2e3ed0ee9f ]

Currently, we allocate a nbytes-sized kernel buffer and copy nbytes from
userspace to that buffer. Later, we use sscanf on this buffer but we don't
ensure that the string is terminated inside the buffer, this can lead to
OOB read when using sscanf. Fix this issue by using memdup_user_nul
instead of memdup_user.

Fixes: 7afc5dbde091 ("bna: Add debugfs interface.")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-2-f1f1b53a10f4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Claudio Imbrenda
fd7600f333 s390/mm: Fix clearing storage keys for huge pages
[ Upstream commit 412050af2ea39407fe43324b0be4ab641530ce88 ]

The function __storage_key_init_range() expects the end address to be
the first byte outside the range to be initialized. I.e. end - start
should be the size of the area to be initialized.

The current code works because __storage_key_init_range() will still loop
over every page in the range, but it is slower than using sske_frame().

Fixes: 3afdfca69870 ("s390/mm: Clear skeys for newly mapped huge guest pmds")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20240416114220.28489-3-imbrenda@linux.ibm.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Claudio Imbrenda
655cbe1d4e s390/mm: Fix storage key clearing for guest huge pages
[ Upstream commit 843c3280686fc1a83d89ee1e0b5599c9f6b09d0c ]

The function __storage_key_init_range() expects the end address to be
the first byte outside the range to be initialized. I.e. end - start
should be the size of the area to be initialized.

The current code works because __storage_key_init_range() will still loop
over every page in the range, but it is slower than using sske_frame().

Fixes: 964c2c05c9f3 ("s390/mm: Clear huge page storage keys on enable_skey")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20240416114220.28489-2-imbrenda@linux.ibm.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:38 +02:00
Zeng Heng
06780473cb pinctrl: devicetree: fix refcount leak in pinctrl_dt_to_map()
[ Upstream commit a0cedbcc8852d6c77b00634b81e41f17f29d9404 ]

If we fail to allocate propname buffer, we need to drop the reference
count we just took. Because the pinctrl_dt_free_maps() includes the
droping operation, here we call it directly.

Fixes: 91d5c5060ee2 ("pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map")
Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-ID: <20240415105328.3651441-1-zengheng4@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Arnd Bergmann
c8d8b7f650 power: rt9455: hide unused rt9455_boost_voltage_values
[ Upstream commit 452d8950db3e839aba1bb13bc5378f4bac11fa04 ]

The rt9455_boost_voltage_values[] array is only used when USB PHY
support is enabled, causing a W=1 warning otherwise:

drivers/power/supply/rt9455_charger.c:200:18: error: 'rt9455_boost_voltage_values' defined but not used [-Werror=unused-const-variable=]

Enclose the definition in the same #ifdef as the references to it.

Fixes: e86d69dd786e ("power_supply: Add support for Richtek RT9455 battery charger")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240403080702.3509288-10-arnd@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Dan Carpenter
735f4c6b67 pinctrl: core: delete incorrect free in pinctrl_enable()
[ Upstream commit 5038a66dad0199de60e5671603ea6623eb9e5c79 ]

The "pctldev" struct is allocated in devm_pinctrl_register_and_init().
It's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(),
so freeing it in pinctrl_enable() will lead to a double free.

The devm_pinctrl_dev_release() function frees the pindescs and destroys
the mutex as well.

Fixes: 6118714275f0 ("pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-ID: <578fbe56-44e9-487c-ae95-29b695650f7c@moroto.mountain>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Rahul Rameshbabu
3d63a6c77b ethernet: Add helper for assigning packet type when dest address does not match device address
[ Upstream commit 6e159fd653d7ebf6290358e0330a0cb8a75cf73b ]

Enable reuse of logic in eth_type_trans for determining packet type.

Suggested-by: Sabrina Dubroca <sd@queasysnail.net>
Cc: stable@vger.kernel.org
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/20240423181319.115860-3-rrameshbabu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Jakub Kicinski
51fcea1b7c ethernet: add a helper for assigning port addresses
[ Upstream commit e80094a473eefad9d856ce3ab0d7afdbb64800c4 ]

We have 5 drivers which offset base MAC addr by port id.
Create a helper for them.

This helper takes care of overflows, which some drivers
did not do, please complain if that's going to break
anything!

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 6e159fd653d7 ("ethernet: Add helper for assigning packet type when dest address does not match device address")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Li RongQing
a82fcda87f net: slightly optimize eth_type_trans
[ Upstream commit 45cf7959c30402d7c4ea43568a6f1bab0ba6ca63 ]

netperf udp stream shows that eth_type_trans takes certain cpu,
so adjust the mac address check order, and firstly check if it
is device address, and only check if it is multicast address
only if not the device address.

After this change:
To unicast, and skb dst mac is device mac, this is most of time
reduce a comparision
To unicast, and skb dst mac is not device mac, nothing change
To multicast, increase a comparision

Before:
1.03%  [kernel]          [k] eth_type_trans

After:
0.78%  [kernel]          [k] eth_type_trans

Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 6e159fd653d7 ("ethernet: Add helper for assigning packet type when dest address does not match device address")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Mukul Joshi
b0b59d1e86 drm/amdgpu: Fix leak when GPU memory allocation fails
[ Upstream commit 25e9227c6afd200bed6774c866980b8e36d033af ]

Free the sync object if the memory allocation fails for any
reason.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Eric Huang
c8fd5450e4 drm/amdkfd: change system memory overcommit limit
[ Upstream commit 5d240da93edc29adb68320c5e475dc9c7fcad5dd ]

It is to improve system limit by:
1. replacing userptrlimit with a total memory limit that
conunts TTM memory usage and userptr usage.
2. counting acc size for all BOs.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 25e9227c6afd ("drm/amdgpu: Fix leak when GPU memory allocation fails")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:37 +02:00
Johannes Berg
327382dc0f wifi: nl80211: don't free NULL coalescing rule
[ Upstream commit 801ea33ae82d6a9d954074fbcf8ea9d18f1543a7 ]

If the parsing fails, we can dereference a NULL pointer here.

Cc: stable@vger.kernel.org
Fixes: be29b99a9b51 ("cfg80211/nl80211: Add packet coalesce support")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.b328f80406e7.Id75d961050deb05b3e4e354e024866f350c68103@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:36 +02:00
Vinod Koul
15097ae79c dmaengine: Revert "dmaengine: pl330: issue_pending waits until WFP state"
[ Upstream commit afc89870ea677bd5a44516eb981f7a259b74280c ]

This reverts commit 22a9d9585812 ("dmaengine: pl330: issue_pending waits
until WFP state") as it seems to cause regression in pl330 driver.
Note the issue now exists in mainline so a fix to be done.

Cc: stable@vger.kernel.org
Reported-by: karthikeyan <karthikeyan@linumiz.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:36 +02:00
Bumyong Lee
e588495c21 dmaengine: pl330: issue_pending waits until WFP state
[ Upstream commit 22a9d9585812440211b0b34a6bc02ade62314be4 ]

According to DMA-330 errata notice[1] 71930, DMAKILL
cannot clear internal signal, named pipeline_req_active.
it makes that pl330 would wait forever in WFP state
although dma already send dma request if pl330 gets
dma request before entering WFP state.

The errata suggests that polling until entering WFP state
as workaround and then peripherals allows to issue dma request.

[1]: https://developer.arm.com/documentation/genc008428/latest

Signed-off-by: Bumyong Lee <bumyong.lee@samsung.com>
Link: https://lore.kernel.org/r/20231219055026.118695-1-bumyong.lee@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Stable-dep-of: afc89870ea67 ("dmaengine: Revert "dmaengine: pl330: issue_pending waits until WFP state"")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:42:36 +02:00
Greg Kroah-Hartman
d09caf7e79 Linux 4.19.313
Link: https://lore.kernel.org/r/20240430103041.111219002@linuxfoundation.org
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Pavel Machek (CIP) <pavel@denx.de>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
v4.19.313
2024-05-02 16:17:14 +02:00
Randy Dunlap
6e5937b23a serial: core: fix kernel-doc for uart_port_unlock_irqrestore()
commit 29bff582b74ed0bdb7e6986482ad9e6799ea4d2f upstream.

Fix the function name to avoid a kernel-doc warning:

include/linux/serial_core.h:666: warning: expecting prototype for uart_port_lock_irqrestore(). Prototype was for uart_port_unlock_irqrestore() instead

Fixes: b0af4bcb4946 ("serial: core: Provide port lock wrappers")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: linux-serial@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20230927044128.4748-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-02 16:17:14 +02:00
Yick Xie
4fc0b7838c udp: preserve the connected status if only UDP cmsg
commit 680d11f6e5427b6af1321932286722d24a8b16c1 upstream.

If "udp_cmsg_send()" returned 0 (i.e. only UDP cmsg),
"connected" should not be set to 0. Otherwise it stops
the connected socket from using the cached route.

Fixes: 2e8de8576343 ("udp: add gso segment cmsg")
Signed-off-by: Yick Xie <yick.xie@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240418170610.867084-1-yick.xie@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Yick Xie <yick.xie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-02 16:17:14 +02:00
Ben Hutchings
271b53d629 Revert "y2038: rusage: use __kernel_old_timeval"
This reverts commit d5e38d6b84d6d21a4f8a4f555a0908b6d9ffe224, which
was commit bdd565f817a74b9e30edec108f7cb1dbc762b8a6 upstream.  It
broke the build for alpha and that can't be fixed without backporting
other more intrusive y2038 changes.

This was not a completely clean revert as the affected code in
getrusage() was moved by subsequent changes.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-02 16:17:14 +02:00
Ben Hutchings
9bc1f1791d Revert "loop: Remove sector_t truncation checks"
This reverts commit f92a3b0d003b9f7eb1f452598966a08802183f47, which
was commit 083a6a50783ef54256eec3499e6575237e0e3d53 upstream.  In 4.19
there is still an option to use 32-bit sector_t on 32-bit
architectures, so we need to keep checking for truncation.

Since loop_set_status() was refactored by subsequent patches, this
reintroduces its truncation check in loop_set_status_from_info()
instead.

I tested that the loop ioctl operations have the expected behaviour on
x86_64, x86_32 with CONFIG_LBDAF=y, and (the special case) x86_32 with
CONFIG_LBDAF=n.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-02 16:17:14 +02:00