Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 10366 Comm: syz.5.1221 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__lock_acquire+0xe4/0x3c40 kernel/locking/lockdep.c:5091 Code: 08 84 d2 0f 85 15 14 00 00 44 8b 0d 3a 1d ca 0e 45 85 c9 0f 84 b4 0e 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 96 2c 00 00 49 8b 04 24 48 3d a0 f7 78 93 0f 84 RSP: 0018:ffffc90003337a08 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000003 RSI: 1ffff92000666f53 RDI: 0000000000000018 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905fc517 R11: 0000000000000004 R12: 0000000000000018 R13: ffff888060e0c880 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802b500000(0063) knlGS:00000000f5046b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72eda50 CR3: 0000000052e00000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 add_wait_queue+0x45/0x230 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+0x644/0xa40 net/vmw_vsock/virtio_transport_common.c:1302 __vsock_release+0x109/0x580 net/vmw_vsock/af_vsock.c:830 vsock_release+0x99/0x130 net/vmw_vsock/af_vsock.c:941 __sock_release+0xb0/0x270 net/socket.c:642 sock_close+0x1c/0x30 net/socket.c:1393 __fput+0x3ff/0xb70 fs/file_table.c:450 __fput_sync+0xa1/0xc0 fs/file_table.c:536 __do_sys_close fs/open.c:1579 [inline] __se_sys_close fs/open.c:1564 [inline] __ia32_sys_close+0x86/0x100 fs/open.c:1564 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f23579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f504655c EFLAGS: 00000296 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe4/0x3c40 kernel/locking/lockdep.c:5091 Code: 08 84 d2 0f 85 15 14 00 00 44 8b 0d 3a 1d ca 0e 45 85 c9 0f 84 b4 0e 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 96 2c 00 00 49 8b 04 24 48 3d a0 f7 78 93 0f 84 RSP: 0018:ffffc90003337a08 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000003 RSI: 1ffff92000666f53 RDI: 0000000000000018 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905fc517 R11: 0000000000000004 R12: 0000000000000018 R13: ffff888060e0c880 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802b500000(0063) knlGS:00000000f5046b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72eda50 CR3: 0000000052e00000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 08 84 d2 0f 85 15 14 or %al,0x1415850f(%rdx,%rdx,8) 7: 00 00 add %al,(%rax) 9: 44 8b 0d 3a 1d ca 0e mov 0xeca1d3a(%rip),%r9d # 0xeca1d4a 10: 45 85 c9 test %r9d,%r9d 13: 0f 84 b4 0e 00 00 je 0xecd 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 96 2c 00 00 jne 0x2cca 34: 49 8b 04 24 mov (%r12),%rax 38: 48 3d a0 f7 78 93 cmp $0xffffffff9378f7a0,%rax 3e: 0f .byte 0xf 3f: 84 .byte 0x84