general protection fault, probably for non-canonical address 0xdffffc00000000ba: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000005d0-0x00000000000005d7]
CPU: 0 PID: 4165 Comm: syz-executor363 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:bio_associate_blkg_from_css+0x128/0x9c0 block/blk-cgroup.c:1868
Code: df 41 80 3c 04 00 74 08 48 89 df e8 92 7d f3 fd 41 be d0 05 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 6a 7d f3 fd 41 bf 90 00 00 00 4d 03
RSP: 0018:ffffc900011df910 EFLAGS: 00010202
RAX: 00000000000000ba RBX: ffff88807d783a08 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff96248f80 RDI: ffff88807d783a00
RBP: 1ffff1100faf0749 R08: dffffc0000000000 R09: fffffbfff1ff3419
R10: fffffbfff1ff3419 R11: 1ffffffff1ff3418 R12: 1ffff1100faf0741
R13: ffff88807d783a48 R14: 00000000000005d0 R15: ffff888027aa002c
FS:  000055557d6f7380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8edf8ff8 CR3: 0000000074b40000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bio_associate_blkg+0x23a/0x340 block/blk-cgroup.c:1894
 lbmStartIO+0x204/0x4c0 fs/jfs/jfs_logmgr.c:2130
 lbmWrite+0x361/0x480 fs/jfs/jfs_logmgr.c:2079
 lmNextPage+0x386/0xa00 fs/jfs/jfs_logmgr.c:-1
 lmWriteRecord+0xf9d/0x1aa0 fs/jfs/jfs_logmgr.c:537
 lmLogSync+0x438/0x9c0 fs/jfs/jfs_logmgr.c:977
 jfs_syncpt+0x77/0x90 fs/jfs/jfs_logmgr.c:1049
 jfs_sync_fs+0x83/0xa0 fs/jfs/super.c:690
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x300 fs/super.c:448
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1143
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f10dd61a387
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd8edf97a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f10dd61a387
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8edf9860
RBP: 00007ffd8edf9860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd8edfa8d0
R13: 000055557d6f86c0 R14: 0000000000000039 R15: 431bde82d7b634db
 </TASK>
Modules linked in:
---[ end trace 883bd6f8081f0f46 ]---
RIP: 0010:bio_associate_blkg_from_css+0x128/0x9c0 block/blk-cgroup.c:1868
Code: df 41 80 3c 04 00 74 08 48 89 df e8 92 7d f3 fd 41 be d0 05 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 6a 7d f3 fd 41 bf 90 00 00 00 4d 03
RSP: 0018:ffffc900011df910 EFLAGS: 00010202
RAX: 00000000000000ba RBX: ffff88807d783a08 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff96248f80 RDI: ffff88807d783a00
RBP: 1ffff1100faf0749 R08: dffffc0000000000 R09: fffffbfff1ff3419
R10: fffffbfff1ff3419 R11: 1ffffffff1ff3418 R12: 1ffff1100faf0741
R13: ffff88807d783a48 R14: 00000000000005d0 R15: ffff888027aa002c
FS:  000055557d6f7380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8edf8ff8 CR3: 0000000074b40000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	df 41 80             	filds  -0x80(%rcx)
   3:	3c 04                	cmp    $0x4,%al
   5:	00 74 08 48          	add    %dh,0x48(%rax,%rcx,1)
   9:	89 df                	mov    %ebx,%edi
   b:	e8 92 7d f3 fd       	call   0xfdf37da2
  10:	41 be d0 05 00 00    	mov    $0x5d0,%r14d
  16:	4c 03 33             	add    (%rbx),%r14
  19:	4c 89 f0             	mov    %r14,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 6a 7d f3 fd       	call   0xfdf37da2
  38:	41 bf 90 00 00 00    	mov    $0x90,%r15d
  3e:	4d                   	rex.WRB
  3f:	03                   	.byte 0x3