Lorenzo Bianconi
13cb6d826e
mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap ...
Limit max values for vht mcs and nss in ieee80211_parse_tx_radiotap
routine in order to fix the following warning reported by syzbot:
WARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]
WARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244
Modules linked in:
CPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]
RIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244
RSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216
RAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000
RDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100
R10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8
R13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004
FS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740
netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089
__dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165
__bpf_tx_skb net/core/filter.c:2114 [inline]
__bpf_redirect_no_mac net/core/filter.c:2139 [inline]
__bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162
____bpf_clone_redirect net/core/filter.c:2429 [inline]
bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401
bpf_prog_eeb6f53a69e5c6a2+0x59/0x234
bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]
__bpf_prog_run include/linux/filter.h:624 [inline]
bpf_prog_run include/linux/filter.h:631 [inline]
bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119
bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663
bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]
__sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605
__do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
Reported-by: syzbot+0196ac871673f0c20f68@syzkaller.appspotmail.com
Fixes: 646e76bb5daf4 ("mac80211: parse VHT info in injected frames")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/c26c3f02dcb38ab63b2f2534cb463d95ee81bb13.1632141760.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-09-23 13:22:57 +02:00
2021-03-16 21:20:41 +01:00
2019-06-19 17:09:55 +02:00
2019-06-19 17:09:55 +02:00
2021-04-19 12:01:40 +02:00
2019-06-19 17:09:55 +02:00
2019-06-19 17:09:55 +02:00
2021-03-16 21:20:41 +01:00
2019-06-19 17:09:55 +02:00
2020-12-11 13:20:05 +01:00
2020-12-11 13:20:05 +01:00
2020-09-18 11:36:03 +02:00
2021-08-17 11:58:45 +02:00
2021-06-23 11:29:14 +02:00
2020-12-11 12:51:55 +01:00
2020-02-24 10:35:57 +01:00
2021-06-23 18:12:00 +02:00
2021-06-23 18:12:00 +02:00
2021-06-23 18:12:00 +02:00
2021-02-01 15:07:09 +01:00
2021-08-24 10:30:43 +02:00
2019-06-05 17:37:16 +02:00
2019-06-19 17:09:55 +02:00
2019-06-19 17:09:55 +02:00
2021-06-23 18:06:44 +02:00
2021-06-23 11:29:13 +02:00
2021-08-13 09:58:25 +02:00
2021-08-26 10:18:56 +02:00
2021-08-24 10:30:43 +02:00
2021-01-28 09:29:34 +02:00
2021-05-11 20:12:51 +02:00
2021-05-11 20:12:51 +02:00
2021-06-23 11:29:12 +02:00
2019-06-19 17:09:55 +02:00
2021-08-20 10:09:22 -07:00
2021-01-22 09:11:37 +01:00
2021-06-23 12:36:32 +02:00
2021-06-23 12:36:32 +02:00
2021-06-23 12:36:32 +02:00
2020-09-28 14:36:53 +02:00
2019-06-19 17:09:55 +02:00
2020-11-06 10:03:21 +01:00
2021-06-23 12:36:32 +02:00
2019-06-19 17:09:55 +02:00
2019-06-19 17:09:55 +02:00
2021-07-23 10:34:13 +02:00
2019-06-19 17:09:55 +02:00
2020-09-28 13:18:53 +02:00
2021-01-26 11:55:50 +01:00
2021-09-23 12:59:29 +02:00
2020-04-24 11:30:13 +02:00
2021-02-12 08:58:11 +01:00
2021-06-23 12:36:32 +02:00
2021-02-12 08:58:22 +01:00
2021-09-23 13:05:38 +02:00
2021-08-24 10:30:43 +02:00
2021-05-31 21:39:10 +02:00
2021-01-21 13:39:11 +01:00
2021-08-13 09:50:43 +02:00
2021-06-23 18:12:00 +02:00
2021-08-24 10:30:43 +02:00
2021-06-23 11:00:17 +02:00
2020-01-15 09:52:12 +01:00
2019-07-08 20:57:08 -07:00
2019-03-29 11:20:36 +01:00
2021-08-24 10:30:43 +02:00
2021-09-23 13:22:57 +02:00
2021-08-26 10:18:56 +02:00
2021-01-21 13:45:13 +01:00
2020-02-07 12:40:34 +01:00
2020-02-07 12:40:34 +01:00
2020-11-11 08:39:13 +01:00
2019-06-19 17:09:55 +02:00
2021-05-11 20:13:45 +02:00
2019-06-19 17:09:55 +02:00
13cb6d826e