Oops: general protection fault, probably for non-canonical address 0xfbd59c0000000024: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0xdead000000000120-0xdead000000000127]
CPU: 0 UID: 0 PID: 14060 Comm: syz.7.1802 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__hlist_del include/linux/list.h:992 [inline]
RIP: 0010:hlist_del include/linux/list.h:1006 [inline]
RIP: 0010:namespace_unlock+0x625/0x7a0 fs/namespace.c:1722
Code: df 41 80 3c 07 00 74 08 4c 89 e7 e8 e5 30 e3 ff 4c 89 64 24 18 4d 8b 24 24 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 ad 31 e3 ff 49 89 1c 24 48 85 db 74
RSP: 0018:ffffc9000206fc80 EFLAGS: 00010a06
RAX: 1bd5a00000000024 RBX: dead000000000100 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffc9000206fb20 RDI: ffffffff8e762f48
RBP: ffffc9000206fd80 R08: ffffffff90128af7 R09: 1ffffffff202515e
R10: dffffc0000000000 R11: fffffbfff202515f R12: dead000000000122
R13: ffff88805d7a8540 R14: 1ffff1100baf50c7 R15: 1ffff1100baf50c8
FS: 00007f3c5fe676c0(0000) GS:ffff88812543f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0eae78a000 CR3: 0000000058b3e000 CR4: 00000000003526f0
Call Trace:
<TASK>
__fput+0x8b4/0xa70 fs/file_table.c:479
fput_close_sync+0x11f/0x240 fs/file_table.c:574
__do_sys_close fs/open.c:1509 [inline]
__se_sys_close fs/open.c:1494 [inline]
__x64_sys_close+0x7e/0x110 fs/open.c:1494
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c5ef9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3c5fe67028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f3c5f216180 RCX: 00007f3c5ef9c799
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c
RBP: 00007f3c5f032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3c5f216218 R14: 00007f3c5f216180 R15: 00007ffc4ae45918
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:992 [inline]
RIP: 0010:hlist_del include/linux/list.h:1006 [inline]
RIP: 0010:namespace_unlock+0x625/0x7a0 fs/namespace.c:1722
Code: df 41 80 3c 07 00 74 08 4c 89 e7 e8 e5 30 e3 ff 4c 89 64 24 18 4d 8b 24 24 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 ad 31 e3 ff 49 89 1c 24 48 85 db 74
RSP: 0018:ffffc9000206fc80 EFLAGS: 00010a06
RAX: 1bd5a00000000024 RBX: dead000000000100 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffc9000206fb20 RDI: ffffffff8e762f48
RBP: ffffc9000206fd80 R08: ffffffff90128af7 R09: 1ffffffff202515e
R10: dffffc0000000000 R11: fffffbfff202515f R12: dead000000000122
R13: ffff88805d7a8540 R14: 1ffff1100baf50c7 R15: 1ffff1100baf50c8
FS: 00007f3c5fe676c0(0000) GS:ffff88812543f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0eae78a000 CR3: 0000000058b3e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: df 41 80 filds -0x80(%rcx)
3: 3c 07 cmp $0x7,%al
5: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1)
9: 89 e7 mov %esp,%edi
b: e8 e5 30 e3 ff call 0xffe330f5
10: 4c 89 64 24 18 mov %r12,0x18(%rsp)
15: 4d 8b 24 24 mov (%r12),%r12
19: 4c 89 e0 mov %r12,%rax
1c: 48 c1 e8 03 shr $0x3,%rax
20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
27: fc ff df
* 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 e7 mov %r12,%rdi
33: e8 ad 31 e3 ff call 0xffe331e5
38: 49 89 1c 24 mov %rbx,(%r12)
3c: 48 85 db test %rbx,%rbx
3f: 74 .byte 0x74