general protection fault, probably for non-canonical address 0xdffffc000000011a: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000008d0-0x00000000000008d7] CPU: 0 PID: 10154 Comm: syz-executor.1 Not tainted 5.11.0-next-20210225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770 Code: 0c 0e 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 08 41 0c 0e e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 73 3a 8f 0f 84 d0 f3 ff RSP: 0018:ffffc90016c07698 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000011a RSI: 1ffff92002d80ee4 RDI: 00000000000008d0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880223a3800 R13: 0000000000000000 R14: 00000000000008d0 R15: 0000000000000000 FS: 00007f31c5d2e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2932f37000 CR3: 0000000027cdd000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5510 [inline] lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 try_to_wake_up+0x98/0x14a0 kernel/sched/core.c:3347 io_wqe_wake_worker+0x51a/0x680 fs/io-wq.c:248 io_wqe_enqueue+0x1ff/0x3c0 fs/io-wq.c:822 __io_queue_async_work+0x28a/0x580 fs/io_uring.c:1292 io_queue_async_work fs/io_uring.c:1302 [inline] __io_queue_sqe+0x8b3/0xd60 fs/io_uring.c:6255 io_queue_sqe+0x6f7/0xde0 fs/io_uring.c:6296 io_submit_sqe fs/io_uring.c:6466 [inline] io_submit_sqes+0x520e/0x63d0 fs/io_uring.c:6580 __do_sys_io_uring_enter+0x1154/0x1f50 fs/io_uring.c:9157 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465ef9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f31c5d2e188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 RDX: 0000000008000000 RSI: 000000000000450c RDI: 0000000000000004 RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe4b3ce70f R14: 00007f31c5d2e300 R15: 0000000000022000 Modules linked in: ---[ end trace e72a5d353cbc753c ]--- RIP: 0010:__lock_acquire+0xcfe/0x54c0 kernel/locking/lockdep.c:4770 Code: 0c 0e 41 bf 01 00 00 00 0f 86 8c 00 00 00 89 05 08 41 0c 0e e9 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 31 00 00 49 81 3e 80 73 3a 8f 0f 84 d0 f3 ff RSP: 0018:ffffc90016c07698 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000011a RSI: 1ffff92002d80ee4 RDI: 00000000000008d0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880223a3800 R13: 0000000000000000 R14: 00000000000008d0 R15: 0000000000000000 FS: 00007f31c5d2e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2932f37000 CR3: 0000000027cdd000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400