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linux/arch/mips/kernel
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Thomas Bogendoerfer be297475ca MIPS: kernel: Clear FPU states when setting up kernel threads 
commit a58a173444a68412bb08849bd81c679395f20ca0 upstream.

io_uring sets up the io worker kernel thread via a syscall out of an
user space prrocess. This process might have used FPU and since
copy_thread() didn't clear FPU states for kernel threads a BUG()
is triggered for using FPU inside kernel. Move code around
to always clear FPU state for user and kernel threads.

Cc: stable@vger.kernel.org
Reported-by: Aurelien Jarno <aurel32@debian.org>
Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055021
Suggested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-13 18:39:28 +01:00
..
syscalls
arch: syscalls: simplify uapi/kapi directory creation
2022-03-31 12:03:46 +09:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
access-helper.h
MIPS: Fix new sparse warnings
2021-04-07 16:11:05 +02:00
asm-offsets.c
mips: rename PGD_ORDER to PGD_TABLE_ORDER
2022-07-17 17:14:42 -07:00
bmips_5xxx_init.S
MIPS: BCM5xxx: Remove dead init_fpu code
2018-11-08 11:20:57 -08:00
bmips_vec.S
…
branch.c
MIPS: kernel: include probes-common.h header in branch.c
2020-09-21 22:14:24 +02:00
cacheinfo.c
drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
2021-09-01 10:29:10 +02:00
cevt-bcm1480.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
cevt-ds1287.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
cevt-gt641xx.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
cevt-r4k.c
MIPS: Remove KVM_GUEST support
2021-03-10 15:18:40 +01:00
cevt-sb1250.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
cevt-txx9.c
mips: kernel: convert comma to semicolon
2020-12-28 22:32:28 +01:00
cmpxchg.c
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
cps-vec-ns16550.S
mips: Add CPS_NS16550_WIDTH config
2020-05-22 09:12:52 +02:00
cps-vec.S
MIPS: CPS: don't create redundant .text.cps-vec section
2021-01-15 15:27:54 +01:00
cpu-probe.c
MIPS: Loongson: Fix cpu_probe_loongson() again
2023-07-23 13:49:33 +02:00
cpu-r3k-probe.c
MIPS: Remove TX39XX support
2022-03-01 10:07:22 +01:00
crash_dump.c
vmcore: convert copy_oldmem_page() to take an iov_iter
2022-04-29 14:37:59 -07:00
crash.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
csrc-bcm1480.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
csrc-ioasic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
csrc-r4k.c
mips: csrc-r4k: Mark R4K timer as unstable if CPU freq changes
2020-05-22 09:14:06 +02:00
csrc-sb1250.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
early_printk_8250.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
early_printk.c
…
elf.c
MIPS: Modernize READ_IMPLIES_EXEC
2022-02-23 13:08:30 +01:00
entry.S
MIPS: Remove TX39XX support
2022-03-01 10:07:22 +01:00
fpu-probe.c
MIPS: cpu-probe: move fpu probing/handling into its own file
2020-10-12 12:04:50 +02:00
fpu-probe.h
MIPS: cpu-probe: move fpu probing/handling into its own file
2020-10-12 12:04:50 +02:00
ftrace.c
MIPS: kernel: Remove not needed set_fs calls
2021-04-06 14:36:56 +02:00
genex.S
MIPS: Remove TX39XX support
2022-03-01 10:07:22 +01:00
gpio_txx9.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
head.S
MIPS: of: Introduce helper function to get DTB
2021-02-04 13:34:51 +01:00
i8253.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
idle.c
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
irq_txx9.c
MIPS: Remove TX39XX support
2022-03-01 10:07:22 +01:00
irq-gt641xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
irq-msc01.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
irq.c
MIPS: Only use current_stack_pointer on GCC
2022-03-14 15:02:53 +01:00
jump_label.c
MIPS: jump_label: Fix compat branch range check
2022-11-11 15:46:03 +01:00
kgdb.c
MIPS: kernel: Drop kgdb_call_nmi_hook
2021-02-15 12:23:54 +01:00
kprobes.c
MIPS: Use NOKPROBE_SYMBOL() instead of __kprobes annotation
2022-05-12 18:00:51 +02:00
linux32.c
MIPS: Delete unused code in linux32.c
2018-08-01 13:20:27 -07:00
machine_kexec.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
Makefile
kbuild: use obj-y instead extra-y for objects placed at the head
2022-10-02 18:04:05 +09:00
mcount.S
…
mips-cm.c
mips: cm: Convert to bitfield API to fix out-of-bounds access
2021-11-02 10:53:52 +01:00
mips-cpc.c
mips: cpc: Fix refcount leak in mips_cpc_default_phys_base
2022-04-26 15:11:25 +02:00
mips-mt-fpaff.c
MIPS: Replace deprecated CPU-hotplug functions.
2021-08-05 10:57:01 +02:00
mips-mt.c
mips: rename mt_init to mips_mt_init
2022-07-29 18:07:13 -07:00
mips-r2-to-r6-emul.c
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
module.c
jump_label: mips: move module NOP patching into arch code
2022-06-24 09:48:55 +02:00
octeon_switch.S
…
perf_event_mipsxx.c
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
perf_event.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
perf_regs.c
MIPS: kernel: Support extracting off-line stack traces from user-space with perf
2021-02-04 21:55:45 +01:00
pm-cps.c
MIPS: barrier: Add __SYNC() infrastructure
2019-10-07 09:42:17 -07:00
pm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
probes-common.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
proc.c
MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
2022-07-14 11:49:40 +02:00
process.c
MIPS: kernel: Clear FPU states when setting up kernel threads
2023-12-13 18:39:28 +01:00
prom.c
MIPS: move from strlcpy with unused retval to strscpy
2022-09-12 15:34:04 +02:00
ptrace32.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
ptrace.c
ptrace: Create ptrace_report_syscall_{entry,exit} in ptrace.h
2022-03-10 13:35:08 -06:00
r4k_fpu.S
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
r4k_switch.S
…
r4k-bugs64.c
MIPS: remove asm/war.h
2022-02-22 09:35:49 +01:00
r2300_fpu.S
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
r2300_switch.S
…
relocate_kernel.S
MIPS: fix duplicate definitions for exported symbols
2022-11-11 15:44:44 +01:00
relocate.c
MIPS: move from strlcpy with unused retval to strscpy
2022-09-12 15:34:04 +02:00
reset.c
mips: Use do_kernel_power_off()
2022-05-19 19:30:31 +02:00
rtlx-cmp.c
…
rtlx-mt.c
MIPS: Replace setup_irq() by request_irq()
2020-03-05 16:47:35 +01:00
rtlx.c
…
scall32-o32.S
MIPS: remove asm/war.h
2022-02-22 09:35:49 +01:00
scall64-n32.S
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
scall64-n64.S
MIPS: remove asm/war.h
2022-02-22 09:35:49 +01:00
scall64-o32.S
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
segment.c
mips: kernel: convert to DEFINE_SHOW_ATTRIBUTE
2022-09-19 16:40:17 +02:00
setup.c
mips/cpu: Switch to arch_cpu_finalize_init()
2023-08-08 20:03:47 +02:00
signal32.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
signal_n32.c
MIPS: remove asm/war.h
2022-02-22 09:35:49 +01:00
signal_o32.c
signal: Remove task parameter from force_sig
2019-05-27 09:36:28 -05:00
signal-common.h
…
signal.c
ptrace: Cleanups for v5.18
2022-03-28 17:29:53 -07:00
smp-bmips.c
MIPS: BMIPS: Remove use of irq_cpu_offline
2021-10-20 20:06:32 +01:00
smp-cmp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182
2019-05-30 11:29:20 -07:00
smp-cps.c
MIPS: No need to check CPU 0 in cps_cpu_disable()
2020-12-28 22:34:09 +01:00
smp-mt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182
2019-05-30 11:29:20 -07:00
smp-up.c
…
smp.c
MIPS: smp: optimization for flush_tlb_mm when exiting
2022-05-12 17:56:21 +02:00
spinlock_test.c
mips: kernel: use DEFINE_DEBUGFS_ATTRIBUTE with debugfs_create_file_unsafe()
2021-03-14 14:09:49 +01:00
spram.c
mips: Add CONFIG/CONFIG6/Cause reg fields macro
2020-05-22 09:12:22 +02:00
stacktrace.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
sync-r4k.c
MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts
2020-01-22 10:16:18 -08:00
syscall.c
MIPS: Fix build error due to PTR used in more places
2022-01-27 09:04:19 +01:00
sysrq.c
MIPS: constify sysrq_key_op
2020-05-15 14:53:19 +02:00
time.c
MIPS: Fix CP0 counter erratum detection for R4k CPUs
2022-04-29 15:52:00 +02:00
topology.c
drivers/base/node: consolidate node device subsystem initialization in node_dev_init()
2022-03-22 15:57:10 -07:00
traps.c
MIPS: fix fortify panic when copying asm exception handlers
2022-03-07 13:09:28 +01:00
unaligned.c
MIPS: Handle address errors for accesses above CPU max virtual user address
2022-02-25 09:36:05 +01:00
uprobes.c
MIPS: Fix fall-through warnings for Clang
2021-10-13 14:47:42 -05:00
vdso.c
treewide: use prandom_u32_max() when possible, part 1
2022-10-11 17:42:55 -06:00
vmlinux.lds.S
MIPS: Define RUNTIME_DISCARD_EXIT in LD script
2023-04-26 14:28:42 +02:00
vpe-cmp.c
MIPS: vpe-cmp: fix possible memory leak while module exiting
2022-12-31 13:31:56 +01:00
vpe-mt.c
MIPS: vpe-mt: fix possible memory leak while module exiting
2022-12-31 13:31:56 +01:00
vpe.c
MIPS: vpe: Remove vpe_getcwd
2021-01-27 21:49:16 +01:00
watch.c
MIPS: Use fallthrough for arch/mips
2020-05-07 11:55:47 +02:00