BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3028!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 5321 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:dbFindBits+0x145/0x170 fs/jfs/jfs_dmap.c:3028
Code: 45 31 ed eb e6 e8 5b 9c 87 fe 48 c7 c1 40 ad 6a 8b ba d4 0b 00 00 48 c7 c6 80 ab 6a 8b 48 c7 c7 00 ac 6a 8b e8 6c 38 68 fe 90 <0f> 0b e8 34 9c 87 fe 48 c7 c1 00 ad 6a 8b ba c5 0b 00 00 48 c7 c6
RSP: 0018:ffffc90003c27178 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: ffffc900078a1000
RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000005 R12: 0000000000000001
R13: 0000000000000020 R14: 00000000ffffffff R15: 00000000000000ff
FS:  0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5f08b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7463020 CR3: 0000000059c6e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x241/0x2f0 fs/jfs/jfs_dmap.c:1983
 dbAllocCtl+0x12c/0x7b0 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x8c9/0xd30 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x415/0xab0 fs/jfs/jfs_dmap.c:888
 dtSplitUp+0x3f3/0x5630 fs/jfs/jfs_dtree.c:979
 dtInsert+0x876/0xb00 fs/jfs/jfs_dtree.c:868
 jfs_rename+0x108c/0x19d0 fs/jfs/namei.c:1225
 vfs_rename+0xf84/0x20a0 fs/namei.c:4887
 do_renameat2+0xc54/0xdc0 fs/namei.c:5044
 __do_sys_rename fs/namei.c:5091 [inline]
 __se_sys_rename fs/namei.c:5089 [inline]
 __ia32_sys_rename+0x80/0xa0 fs/namei.c:5089
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7316579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5f085ac EFLAGS: 00000292 ORIG_RAX: 0000000000000026
RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 0000000020000f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x145/0x170 fs/jfs/jfs_dmap.c:3028
Code: 45 31 ed eb e6 e8 5b 9c 87 fe 48 c7 c1 40 ad 6a 8b ba d4 0b 00 00 48 c7 c6 80 ab 6a 8b 48 c7 c7 00 ac 6a 8b e8 6c 38 68 fe 90 <0f> 0b e8 34 9c 87 fe 48 c7 c1 00 ad 6a 8b ba c5 0b 00 00 48 c7 c6
RSP: 0018:ffffc90003c27178 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: ffffc900078a1000
RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000005 R12: 0000000000000001
R13: 0000000000000020 R14: 00000000ffffffff R15: 00000000000000ff
FS:  0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5f08b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7372060 CR3: 0000000059c6e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi