kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'.
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 442 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:lbmStartIO+0x12b/0x480 fs/jfs/jfs_logmgr.c:2143
Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67
RSP: 0018:ffff888098cbf818 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880b0ede500 RCX: 0000000000000003
RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0
RBP: ffff8880a3575280 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888096c0db00
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
FS:  00007fb00bdd2700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f214a0e008 CR3: 00000000b37f7000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lbmWrite+0x27b/0x3a0 fs/jfs/jfs_logmgr.c:2092
 lmGCwrite+0x3f2/0x4e0 fs/jfs/jfs_logmgr.c:806
 lmGroupCommit+0x2a4/0x770 fs/jfs/jfs_logmgr.c:708
 txCommit+0xaab/0x39e0 fs/jfs/jfs_txnmgr.c:1313
 jfs_commit_inode+0x24e/0x3d0 fs/jfs/inode.c:120
 jfs_fsync+0x125/0x210 fs/jfs/file.c:50
 vfs_fsync_range+0x13a/0x220 fs/sync.c:197
 generic_write_sync include/linux/fs.h:2750 [inline]
 generic_file_write_iter+0x4be/0x730 mm/filemap.c:3327
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x51b/0x770 fs/read_write.c:487
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb00d8600f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb00bdd2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb00d97ff80 RCX: 00007fb00d8600f9
RDX: 0000000000000044 RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007fb00d8bbae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff27a38a3f R14: 00007fb00bdd2300 R15: 0000000000022000
Modules linked in:
JFS: charset not found
---[ end trace 732de55c10c89428 ]---
RIP: 0010:lbmStartIO+0x12b/0x480 fs/jfs/jfs_logmgr.c:2143
Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67
RSP: 0018:ffff888098cbf818 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880b0ede500 RCX: 0000000000000003
RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0
ERROR: (device loop5): txAbort: 

RBP: ffff8880a3575280 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888096c0db00
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
FS:  00007fb00bdd2700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555fc0848 CR3: 00000000b37f7000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 f5 02 00 00    	jne    0x302
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4d 8b 6c 24 20       	mov    0x20(%r12),%r13
  1c:	49 8d bd e0 00 00 00 	lea    0xe0(%r13),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 ef 02 00 00    	jne    0x323
  34:	4d 8b ad e0 00 00 00 	mov    0xe0(%r13),%r13
  3b:	4d 39 ee             	cmp    %r13,%r14
  3e:	74 67                	je     0xa7