BUG: sleeping function called from invalid context at kernel/locking/mutex.c:938
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 28133, name: syz-executor.1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffffff812b0684>] kernel_fpu_begin_mask+0x64/0x260 arch/x86/kernel/fpu/core.c:126
CPU: 0 PID: 28133 Comm: syz-executor.1 Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96
 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9153
 __mutex_lock_common kernel/locking/mutex.c:938 [inline]
 __mutex_lock+0x9a/0x10a0 kernel/locking/mutex.c:1104
 __fdget_pos+0xe9/0x100 fs/file.c:974
 fdget_pos include/linux/file.h:75 [inline]
 ksys_read+0x6e/0x250 fs/read_write.c:625
 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: 0033:0x41935c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f143a621170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000041935c
RDX: 000000000000000f RSI: 00007f143a6211e0 RDI: 0000000000000005
RBP: 00007f143a6211d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000042 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000a9fb1f R14: 00007f143a621300 R15: 0000000000022000
BUG: scheduling while atomic: syz-executor.1/28133/0x00000002
INFO: lockdep is turned off.
Modules linked in:
Preemption disabled at:
[<ffffffff812b0684>] kernel_fpu_begin_mask+0x64/0x260 arch/x86/kernel/fpu/core.c:126