general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 316 Comm: syz-executor316 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:do_rmdir+0x33f/0x630 fs/namei.c:4202
Code: ff 4c 89 64 24 50 72 0d e8 be 12 b2 ff 45 89 fc e9 99 00 00 00 49 8d 5f 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 c3 6a f4 ff 48 83 3b 00 74 5d e8 88
RSP: 0018:ffffc90000997dc0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000036 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
RBP: ffffc90000997ef8 R08: ffffffff81c0e588 R09: ffffed10241ca694
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888120e53470
R13: ffffc90000997e40 R14: 1ffff110241ca68e R15: 0000000000000006
FS: 00007f4b30f2b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4b30f2bd58 CR3: 000000010cc25000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__do_sys_rmdir fs/namei.c:4229 [inline]
__se_sys_rmdir fs/namei.c:4227 [inline]
__x64_sys_rmdir+0x49/0x50 fs/namei.c:4227
x64_sys_call+0x274/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:85
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4b30f8ef69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4b30f2b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f4b310183f8 RCX: 00007f4b30f8ef69
RDX: 00007f4b30f69886 RSI: 4bd5f9eb68057d60 RDI: 0000000020000200
RBP: 00007f4b310183f0 R08: 00007ffcb64be847 R09: 00007f4b310183f8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b310183fc
R13: 000000000000006e R14: 00007ffcb64be760 R15: 00007ffcb64be848
</TASK>
Modules linked in:
---[ end trace 8cb192bafbe5dcfd ]---
RIP: 0010:do_rmdir+0x33f/0x630 fs/namei.c:4202
Code: ff 4c 89 64 24 50 72 0d e8 be 12 b2 ff 45 89 fc e9 99 00 00 00 49 8d 5f 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 c3 6a f4 ff 48 83 3b 00 74 5d e8 88
RSP: 0018:ffffc90000997dc0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000036 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
RBP: ffffc90000997ef8 R08: ffffffff81c0e588 R09: ffffed10241ca694
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888120e53470
R13: ffffc90000997e40 R14: 1ffff110241ca68e R15: 0000000000000006
FS: 00007f4b30f2b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f387c2cfae0 CR3: 000000010cc25000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: ff 4c 89 64 decl 0x64(%rcx,%rcx,4)
4: 24 50 and $0x50,%al
6: 72 0d jb 0x15
8: e8 be 12 b2 ff call 0xffb212cb
d: 45 89 fc mov %r15d,%r12d
10: e9 99 00 00 00 jmp 0xae
15: 49 8d 5f 30 lea 0x30(%r15),%rbx
19: 48 89 d8 mov %rbx,%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: 48 89 df mov %rbx,%rdi
33: e8 c3 6a f4 ff call 0xfff46afb
38: 48 83 3b 00 cmpq $0x0,(%rbx)
3c: 74 5d je 0x9b
3e: e8 .byte 0xe8
3f: 88 .byte 0x88