Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 18371 Comm: syz.2.2784 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:jfs_statfs+0x147/0x510 fs/jfs/super.c:128
Code: 74 24 18 49 81 c6 a0 00 00 00 4d 89 f7 49 c1 ef 03 43 80 3c 27 00 74 08 4c 89 f7 e8 63 ae da fe 49 8b 2e 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 4a ae da fe 48 8b 5d 00 49 8d 6d
RSP: 0018:ffffc9000a467c80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc9000a467e08 RCX: 0000000000040000
RDX: ffffc9000c934000 RSI: 0000000000000018 RDI: 0000000000000019
RBP: 0000000000000000 R08: ffffffff831dd936 R09: 0000000000000000
R10: ffffc9000a467bc0 R11: ffffffff831dd880 R12: dffffc0000000000
R13: ffffc9000a467e00 R14: ffff88807aaf62a0 R15: 1ffff1100f55ec54
FS:  00007fc3304916c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc330490fa8 CR3: 00000000608a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs fs/statfs.c:90 [inline]
 fd_statfs+0x18d/0x390 fs/statfs.c:120
 __do_sys_fstatfs fs/statfs.c:216 [inline]
 __se_sys_fstatfs fs/statfs.c:213 [inline]
 __x64_sys_fstatfs+0xe8/0x1a0 fs/statfs.c:213
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc32f775ae9
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:00007fc330491048 EFLAGS: 00000246 ORIG_RAX: 000000000000008a
RAX: ffffffffffffffda RBX: 00007fc32f904070 RCX: 00007fc32f775ae9
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000007
RBP: 00007fc32f7f6746 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc32f904070 R15: 00007ffc4a462748
 </TASK>
Modules linked in:
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	24 18                	and    $0x18,%al
   2:	49 81 c6 a0 00 00 00 	add    $0xa0,%r14
   9:	4d 89 f7             	mov    %r14,%r15
   c:	49 c1 ef 03          	shr    $0x3,%r15
  10:	43 80 3c 27 00       	cmpb   $0x0,(%r15,%r12,1)
  15:	74 08                	je     0x1f
  17:	4c 89 f7             	mov    %r14,%rdi
  1a:	e8 63 ae da fe       	call   0xfedaae82
  1f:	49 8b 2e             	mov    (%r14),%rbp
  22:	48 89 e8             	mov    %rbp,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 ef             	mov    %rbp,%rdi
  33:	e8 4a ae da fe       	call   0xfedaae82
  38:	48 8b 5d 00          	mov    0x0(%rbp),%rbx
  3c:	49                   	rex.WB
  3d:	8d                   	.byte 0x8d
  3e:	6d                   	insl   (%dx),%es:(%rdi)