general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 1 PID: 292 Comm: syz-executor293 Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:vfs_rename+0x103/0xda0 fs/namei.c:4376
Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 05 0a f4 ff 48 8b 03 48 89 44 24 48 4c 89 74 24 20 4d 8d 7e 30 4d 89 fe 49 c1 ee 03 <43> 80 3c 26 00 74 08 4c 89 ff e8 de 09 f4 ff 49 8b 07 48 89 44 24
RSP: 0018:ffffc90000b57ba0 EFLAGS: 00010203
RAX: ffff88811c4f2d00 RBX: ffff88811c46d690 RCX: ffff88811e7713c0
RDX: ffff88811e7713c0 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000b57cf0 R08: ffffffff81b416cc R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811c4edb00 R14: 0000000000000007 R15: 000000000000003c
FS: 00007f12c24746c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020007000 CR3: 000000011991d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
do_renameat2+0x88d/0x1130 fs/namei.c:4605
__do_sys_rename fs/namei.c:4656 [inline]
__se_sys_rename fs/namei.c:4654 [inline]
__x64_sys_rename+0x86/0x90 fs/namei.c:4654
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f12c24f4939
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:00007f12c2474218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f12c2585408 RCX: 00007f12c24f4939
RDX: 00007f12c24d20a6 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007f12c2585400 R08: 00007ffc67d370e7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12c25520a4
R13: 000000000000006e R14: 0030656c69662f30 R15: 00007f12c25500a0
Modules linked in:
---[ end trace ab7c42a90b1fb67e ]---
RIP: 0010:vfs_rename+0x103/0xda0 fs/namei.c:4376
Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 05 0a f4 ff 48 8b 03 48 89 44 24 48 4c 89 74 24 20 4d 8d 7e 30 4d 89 fe 49 c1 ee 03 <43> 80 3c 26 00 74 08 4c 89 ff e8 de 09 f4 ff 49 8b 07 48 89 44 24
RSP: 0018:ffffc90000b57ba0 EFLAGS: 00010203
RAX: ffff88811c4f2d00 RBX: ffff88811c46d690 RCX: ffff88811e7713c0
RDX: ffff88811e7713c0 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000b57cf0 R08: ffffffff81b416cc R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811c4edb00 R14: 0000000000000007 R15: 000000000000003c
FS: 00007f12c24746c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020007000 CR3: 000000011991d000 CR4: 00000000003506a0
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 20 00 cmpb $0x0,(%rax,%r12,1)
8: 74 08 je 0x12
a: 48 89 df mov %rbx,%rdi
d: e8 05 0a f4 ff call 0xfff40a17
12: 48 8b 03 mov (%rbx),%rax
15: 48 89 44 24 48 mov %rax,0x48(%rsp)
1a: 4c 89 74 24 20 mov %r14,0x20(%rsp)
1f: 4d 8d 7e 30 lea 0x30(%r14),%r15
23: 4d 89 fe mov %r15,%r14
26: 49 c1 ee 03 shr $0x3,%r14
* 2a: 43 80 3c 26 00 cmpb $0x0,(%r14,%r12,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 ff mov %r15,%rdi
34: e8 de 09 f4 ff call 0xfff40a17
39: 49 8b 07 mov (%r15),%rax
3c: 48 rex.W
3d: 89 .byte 0x89
3e: 44 rex.R
3f: 24 .byte 0x24