general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 PID: 299 Comm: syz-executor212 Not tainted 6.1.112-syzkaller-00034-g226e9f92a06c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:vfs_rename+0x1b2/0x10e0 fs/namei.c:4764
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 76 2a f3 ff 48 8b 03 48 89 44 24 50 48 8b 44 24 38 4c 8d 70 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 4e 2a f3 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000eb7aa0 EFLAGS: 00010202
RAX: 0000000000000010 RBX: ffff888122db3f10 RCX: ffff88811e373cc0
RDX: ffff88811e373cc0 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000eb7c10 R08: ffffffff81c9e74b R09: fffff520001d6f5d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811171e640
R13: 0000000000000008 R14: 0000000000000040 R15: dffffc0000000000
FS: 00007fbfc52a76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000b000 CR3: 0000000123327000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
do_renameat2+0xb28/0x1480 fs/namei.c:5028
__do_sys_rename fs/namei.c:5074 [inline]
__se_sys_rename fs/namei.c:5072 [inline]
__x64_sys_rename+0x86/0x90 fs/namei.c:5072
x64_sys_call+0x266/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:83
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbfc5327939
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:00007fbfc52a7218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fbfc53b8408 RCX: 00007fbfc5327939
RDX: 00007fbfc5327939 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007fbfc53b8400 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffd6d1a4977 R11: 0000000000000246 R12: 00007fbfc53850a4
R13: 000000000000006e R14: 0030656c69662f30 R15: 00007fbfc53830a0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vfs_rename+0x1b2/0x10e0 fs/namei.c:4764
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 76 2a f3 ff 48 8b 03 48 89 44 24 50 48 8b 44 24 38 4c 8d 70 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 4e 2a f3 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000eb7aa0 EFLAGS: 00010202
RAX: 0000000000000010 RBX: ffff888122db3f10 RCX: ffff88811e373cc0
RDX: ffff88811e373cc0 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000eb7c10 R08: ffffffff81c9e74b R09: fffff520001d6f5d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811171e640
R13: 0000000000000008 R14: 0000000000000040 R15: dffffc0000000000
FS: 00007fbfc52a76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000b000 CR3: 0000000123327000 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 76 2a f3 ff call 0xfff32a88
12: 48 8b 03 mov (%rbx),%rax
15: 48 89 44 24 50 mov %rax,0x50(%rsp)
1a: 48 8b 44 24 38 mov 0x38(%rsp),%rax
1f: 4c 8d 70 30 lea 0x30(%rax),%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 4e 2a f3 ff call 0xfff32a88
3a: 49 8b 06 mov (%r14),%rax
3d: 48 rex.W
3e: 89 .byte 0x89
3f: 44 rex.R