general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 1 PID: 297 Comm: syz-executor223 Not tainted 6.1.68-syzkaller-00072-g3f5807c586a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:vfs_rename+0x1a8/0xf90 fs/namei.c:4692
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 00 72 f3 ff 48 8b 03 48 89 44 24 58 4c 89 6c 24 18 4d 8d 75 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 d8 71 f3 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000f07ae0 EFLAGS: 00010202
RAX: ffff8881121a6ec0 RBX: ffff88811f124690 RCX: ffffc90000f07e80
RDX: ffff8881095f0000 RSI: 0000000000200000 RDI: 0000000000200000
RBP: ffffc90000f07c30 R08: ffffffff81c8d291 R09: fffff520001e0f67
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881121a6a80
R13: 0000000000000008 R14: 0000000000000042 R15: dffffc0000000000
FS: 00007f1afffdf6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1afffdfd58 CR3: 000000012167f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
do_renameat2+0xac8/0x1480 fs/namei.c:4935
__do_sys_rename fs/namei.c:4981 [inline]
__se_sys_rename fs/namei.c:4979 [inline]
__x64_sys_rename+0x86/0x90 fs/namei.c:4979
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1b00080939
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 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:00007f1afffdf218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f1b00111418 RCX: 00007f1b00080939
RDX: 00007f1b0005e096 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007f1b00111410 R08: 00007ffedc4fcf97 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b000de0a4
R13: 000000000000006e R14: 00007f1b000dc0a0 R15: 0030656c69662f30
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vfs_rename+0x1a8/0xf90 fs/namei.c:4692
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 00 72 f3 ff 48 8b 03 48 89 44 24 58 4c 89 6c 24 18 4d 8d 75 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 d8 71 f3 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000f07ae0 EFLAGS: 00010202
RAX: ffff8881121a6ec0 RBX: ffff88811f124690 RCX: ffffc90000f07e80
RDX: ffff8881095f0000 RSI: 0000000000200000 RDI: 0000000000200000
RBP: ffffc90000f07c30 R08: ffffffff81c8d291 R09: fffff520001e0f67
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881121a6a80
R13: 0000000000000008 R14: 0000000000000042 R15: dffffc0000000000
FS: 00007f1afffdf6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000a000 CR3: 000000012167f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: c1 e8 03 shr $0x3,%eax
3: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
8: 74 08 je 0x12
a: 48 89 df mov %rbx,%rdi
d: e8 00 72 f3 ff call 0xfff37212
12: 48 8b 03 mov (%rbx),%rax
15: 48 89 44 24 58 mov %rax,0x58(%rsp)
1a: 4c 89 6c 24 18 mov %r13,0x18(%rsp)
1f: 4d 8d 75 30 lea 0x30(%r13),%r14
23: 4d 89 f5 mov %r14,%r13
26: 49 c1 ed 03 shr $0x3,%r13
* 2a: 43 80 7c 3d 00 00 cmpb $0x0,0x0(%r13,%r15,1) <-- trapping instruction
30: 74 08 je 0x3a
32: 4c 89 f7 mov %r14,%rdi
35: e8 d8 71 f3 ff call 0xfff37212
3a: 49 8b 06 mov (%r14),%rax
3d: 48 rex.W
3e: 89 .byte 0x89
3f: 44 rex.R