general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 2821 Comm: syz.0.594 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:traverse_mounts fs/namei.c:1386 [inline]
RIP: 0010:handle_mounts fs/namei.c:1506 [inline]
RIP: 0010:step_into+0x12e/0xd10 fs/namei.c:1814
Code: 4c 8b 74 24 18 c6 44 24 7f 00 43 0f b6 44 25 00 84 c0 0f 85 6f 0a 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 6e 0a 00 00 45 8b 3f 44 89 fe 81 e6 00
RSP: 0018:ffffc900024077c0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffffc90002407a00 RCX: 0000000000080000
RDX: ffffc90001f6e000 RSI: 00000000000001c1 RDI: 00000000000001c2
RBP: ffffc900024078c8 R08: 0000000000000000 R09: ffffed1026722405
R10: ffffed1026722405 R11: 1ffff11026722404 R12: dffffc0000000000
R13: 1ffff92000480f47 R14: 0000000000000001 R15: 0000000000000008
FS:  00007f3b0d0cf6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c308356 CR3: 0000000128f7c000 CR4: 00000000003506b0
Call Trace:
 <TASK>
 walk_component+0x26a/0x460 fs/namei.c:1990
 lookup_last fs/namei.c:2439 [inline]
 path_lookupat+0x180/0x490 fs/namei.c:2463
 filename_lookup+0x1e2/0x4f0 fs/namei.c:2492
 user_path_at_empty+0x47/0x1c0 fs/namei.c:2891
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xfb/0xa60 fs/stat.c:221
 vfs_fstatat fs/stat.c:243 [inline]
 vfs_stat include/linux/fs.h:3475 [inline]
 __do_sys_newstat fs/stat.c:384 [inline]
 __se_sys_newstat+0xb8/0x320 fs/stat.c:380
 __x64_sys_newstat+0x5b/0x70 fs/stat.c:380
 x64_sys_call+0x377/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:5
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3b0e688749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3b0d0cf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007f3b0e8df090 RCX: 00007f3b0e688749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000002200
RBP: 00007f3b0e70cf91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3b0e8df128 R14: 00007f3b0e8df090 R15: 00007fff2a8060a8
 </TASK>
Modules linked in:
---[ end trace 0330b911742a68e5 ]---
RIP: 0010:traverse_mounts fs/namei.c:1386 [inline]
RIP: 0010:handle_mounts fs/namei.c:1506 [inline]
RIP: 0010:step_into+0x12e/0xd10 fs/namei.c:1814
Code: 4c 8b 74 24 18 c6 44 24 7f 00 43 0f b6 44 25 00 84 c0 0f 85 6f 0a 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 6e 0a 00 00 45 8b 3f 44 89 fe 81 e6 00
RSP: 0018:ffffc900024077c0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffffc90002407a00 RCX: 0000000000080000
RDX: ffffc90001f6e000 RSI: 00000000000001c1 RDI: 00000000000001c2
RBP: ffffc900024078c8 R08: 0000000000000000 R09: ffffed1026722405
R10: ffffed1026722405 R11: 1ffff11026722404 R12: dffffc0000000000
R13: 1ffff92000480f47 R14: 0000000000000001 R15: 0000000000000008
FS:  00007f3b0d0cf6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b0d0f0990 CR3: 0000000128f7c000 CR4: 00000000003506a0
----------------
Code disassembly (best guess):
   0:	4c 8b 74 24 18       	mov    0x18(%rsp),%r14
   5:	c6 44 24 7f 00       	movb   $0x0,0x7f(%rsp)
   a:	43 0f b6 44 25 00    	movzbl 0x0(%r13,%r12,1),%eax
  10:	84 c0                	test   %al,%al
  12:	0f 85 6f 0a 00 00    	jne    0xa87
  18:	45 8b 36             	mov    (%r14),%r14d
  1b:	4c 8b bc 24 a8 00 00 	mov    0xa8(%rsp),%r15
  22:	00
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 6e 0a 00 00    	jne    0xaa5
  37:	45 8b 3f             	mov    (%r15),%r15d
  3a:	44 89 fe             	mov    %r15d,%esi
  3d:	81                   	.byte 0x81
  3e:	e6 00                	out    %al,$0x0