Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 8876 Comm: syz.4.755 Not tainted 6.14.0-rc1-syzkaller-00206-g34c84b394890 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5091 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d bb c5 80 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 37 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90002fa7770 EFLAGS: 00010006 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000018 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2036a4f R12: ffff88801e31bc00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000018 FS: 0000555593379500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000000e000 CR3: 0000000027f7a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 add_wait_queue+0x46/0x180 kernel/sched/wait.c:22 virtio_transport_wait_close net/vmw_vsock/virtio_transport_common.c:1200 [inline] virtio_transport_close net/vmw_vsock/virtio_transport_common.c:1282 [inline] virtio_transport_release+0x4c4/0xce0 net/vmw_vsock/virtio_transport_common.c:1302 __vsock_release+0xf1/0x4f0 net/vmw_vsock/af_vsock.c:830 vsock_release+0x97/0x100 net/vmw_vsock/af_vsock.c:941 __sock_release net/socket.c:642 [inline] sock_close+0xbc/0x240 net/socket.c:1393 __fput+0x3e9/0x9f0 fs/file_table.c:448 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff9e878cde9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc5eaa4dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000002b018 RCX: 00007ff9e878cde9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ff9e89a7ba0 R08: 0000000000000001 R09: 000000095eaa50cf R10: 00007ff9e8600000 R11: 0000000000000246 R12: 00007ff9e89a5fac R13: 00007ff9e89a5fa0 R14: ffffffffffffffff R15: 00007ffc5eaa4ef0 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5091 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d bb c5 80 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 37 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90002fa7770 EFLAGS: 00010006 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000018 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2036a4f R12: ffff88801e31bc00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000018 FS: 0000555593379500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000000e000 CR3: 0000000027f7a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d bb c5 80 0e 00 cmpl $0x0,0xe80c5bb(%rip) # 0xe80c5d0 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 18 37 8b 00 call 0x8b3750 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah