general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 298 Comm: syz-executor593 Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__d_entry_type include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:405 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:451 [inline]
RIP: 0010:do_renameat2+0x5e6/0x1130 fs/namei.c:4563
Code: 89 de 8b 54 24 3c e8 f9 30 ff ff 49 89 c5 48 3d 01 f0 ff ff 72 0d e8 e9 7b b6 ff 44 89 eb e9 d7 03 00 00 4d 89 ec 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 d6 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc90000b37d00 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff88811d07e660 RCX: ffff88811f2862c0
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000b37f08 R08: ffffffff81b65c1b R09: ffffed1023a0fcd8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000ffffff01 R15: dffffc0000000000
FS: 00007fc5178dc6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb22730304 CR3: 000000011e1f9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__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: 0033:0x7fc51793b479
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:00007fc5178dc218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fc5179c83f8 RCX: 00007fc51793b479
RDX: 00007fc51793b479 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007fc5179c83f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc51799501c
R13: 00007fc517995038 R14: 00007ffebd3c7cc0 R15: 0030656c69662f30
Modules linked in:
---[ end trace 4b638cde25adcd1c ]---
RIP: 0010:__d_entry_type include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:405 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:451 [inline]
RIP: 0010:do_renameat2+0x5e6/0x1130 fs/namei.c:4563
Code: 89 de 8b 54 24 3c e8 f9 30 ff ff 49 89 c5 48 3d 01 f0 ff ff 72 0d e8 e9 7b b6 ff 44 89 eb e9 d7 03 00 00 4d 89 ec 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 d6 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc90000b37d00 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff88811d07e660 RCX: ffff88811f2862c0
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000b37f08 R08: ffffffff81b65c1b R09: ffffed1023a0fcd8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000ffffff01 R15: dffffc0000000000
FS: 00007fc5178dc6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb22730304 CR3: 000000011e1f9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 de mov %ebx,%esi
2: 8b 54 24 3c mov 0x3c(%rsp),%edx
6: e8 f9 30 ff ff call 0xffff3104
b: 49 89 c5 mov %rax,%r13
e: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
14: 72 0d jb 0x23
16: e8 e9 7b b6 ff call 0xffb67c04
1b: 44 89 eb mov %r13d,%ebx
1e: e9 d7 03 00 00 jmp 0x3fa
23: 4d 89 ec mov %r13,%r12
26: 49 c1 ec 03 shr $0x3,%r12
* 2a: 43 0f b6 04 3c movzbl (%r12,%r15,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 d6 05 00 00 jne 0x60d
37: 41 8b 5d 00 mov 0x0(%r13),%ebx
3b: be 00 00 70 00 mov $0x700000,%esi