ERROR: (device loop3): diUpdatePMap: inode 6 not marked as allocated in wmap!
ERROR: (device loop3): diUpdatePMap: inode 6 not marked as allocated in pmap!
BUG: unable to handle page fault for address: ffffed102bb67c0c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffcd067 P4D 7ffcd067 PUD 3fff5067 PMD 0 
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 PID: 137 Comm: jfsCommit Not tainted 6.9.0-syzkaller-07370-g33e02dc69afb #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:dbJoin+0x1c0/0x2b0 fs/jfs/jfs_dmap.c:2805
Code: 45 89 fd 48 b9 00 00 00 00 00 fc ff df 41 31 ed 4d 63 e5 49 01 c4 48 8b 04 24 49 01 c4 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 bd 00 00 00 45 0f be 24 24 89
RSP: 0018:ffffc9000275f700 EFLAGS: 00010202
RAX: 1ffff1102bb67c0c RBX: 0000000000000005 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff83077521 RDI: 0000000000000004
RBP: 0000000000000040 R08: 0000000000000004 R09: 0000000000000040
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88815db3e061
R13: 0000000000000041 R14: ffff88805db3e010 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102bb67c0c CR3: 000000004753a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbFreeBits+0x11b/0x8d0 fs/jfs/jfs_dmap.c:2338
 dbFreeDmap+0x62/0x1b0 fs/jfs/jfs_dmap.c:2087
 dbFree+0x266/0x550 fs/jfs/jfs_dmap.c:409
 txFreeMap+0x788/0xe60 fs/jfs/jfs_txnmgr.c:2515
 xtTruncate+0x1e57/0x2c80 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x372/0x4f0 fs/jfs/namei.c:759
 jfs_evict_inode+0x423/0x4b0 fs/jfs/inode.c:153
 evict+0x2ed/0x6c0 fs/inode.c:667
 iput_final fs/inode.c:1741 [inline]
 iput.part.0+0x5a8/0x7f0 fs/inode.c:1767
 iput+0x5c/0x80 fs/inode.c:1757
 txUpdateMap+0xaf3/0xd20 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x5e6/0xb20 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
CR2: ffffed102bb67c0c
---[ end trace 0000000000000000 ]---
RIP: 0010:dbJoin+0x1c0/0x2b0 fs/jfs/jfs_dmap.c:2805
Code: 45 89 fd 48 b9 00 00 00 00 00 fc ff df 41 31 ed 4d 63 e5 49 01 c4 48 8b 04 24 49 01 c4 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 bd 00 00 00 45 0f be 24 24 89
RSP: 0018:ffffc9000275f700 EFLAGS: 00010202
RAX: 1ffff1102bb67c0c RBX: 0000000000000005 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff83077521 RDI: 0000000000000004
RBP: 0000000000000040 R08: 0000000000000004 R09: 0000000000000040
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88815db3e061
R13: 0000000000000041 R14: ffff88805db3e010 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102bb67c0c CR3: 000000004753a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	45 89 fd             	mov    %r15d,%r13d
   3:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   a:	fc ff df
   d:	41 31 ed             	xor    %ebp,%r13d
  10:	4d 63 e5             	movslq %r13d,%r12
  13:	49 01 c4             	add    %rax,%r12
  16:	48 8b 04 24          	mov    (%rsp),%rax
  1a:	49 01 c4             	add    %rax,%r12
  1d:	4c 89 e0             	mov    %r12,%rax
  20:	4c 89 e2             	mov    %r12,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax <-- trapping instruction
  2e:	38 d0                	cmp    %dl,%al
  30:	7f 08                	jg     0x3a
  32:	84 c0                	test   %al,%al
  34:	0f 85 bd 00 00 00    	jne    0xf7
  3a:	45 0f be 24 24       	movsbl (%r12),%r12d
  3f:	89                   	.byte 0x89