general protection fault, probably for non-canonical address 0xe0807c8080808083: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0404040404040418-0x040404040404041f] CPU: 1 PID: 3257 Comm: syz-executor.5 Not tainted 5.14.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xd7d/0x54a0 kernel/locking/lockdep.c:4885 Code: e7 0d 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 f9 64 e7 0d e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 f3 2f 00 00 48 81 3b c0 63 ed 8e 0f 84 52 f3 ff RSP: 0018:ffffc90017037740 EFLAGS: 00010003 RAX: dffffc0000000000 RBX: 040404040404041c RCX: 0000000000000000 RDX: 0080808080808083 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000 R13: ffff888083f28000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f557cdb0 CR3: 0000000063b0c000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] __io_poll_remove_one fs/io_uring.c:5219 [inline] io_poll_remove_waitqs+0xc7/0x540 fs/io_uring.c:5237 io_poll_remove_one fs/io_uring.c:5251 [inline] io_poll_remove_all+0x230/0x590 fs/io_uring.c:5279 io_ring_ctx_wait_and_kill+0x1b0/0x3c0 fs/io_uring.c:8874 io_uring_release+0x3e/0x50 fs/io_uring.c:8894 __fput+0x288/0x920 fs/file_table.c:280 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xbd4/0x2a60 kernel/exit.c:825 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2160 kernel/signal.c:2808 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f5d549 Code: Unable to access opcode bytes at RIP 0xf7f5d51f. RSP: 002b:00000000f555759c EFLAGS: 00000206 ORIG_RAX: 00000000000000c0 RAX: 0000000020eea000 RBX: 0000000020eea000 RCX: 0000000000200000 RDX: 0000000000000003 RSI: 0000000000008011 RDI: 0000000000000004 RBP: 0000000000010000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 1200cfeeff2833d2 ]--- RIP: 0010:__lock_acquire+0xd7d/0x54a0 kernel/locking/lockdep.c:4885 Code: e7 0d 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 f9 64 e7 0d e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 f3 2f 00 00 48 81 3b c0 63 ed 8e 0f 84 52 f3 ff RSP: 0018:ffffc90017037740 EFLAGS: 00010003 RAX: dffffc0000000000 RBX: 040404040404041c RCX: 0000000000000000 RDX: 0080808080808083 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000 R13: ffff888083f28000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f557cdb0 CR3: 0000000063b0c000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400