BUG at fs/jfs/jfs_dmap.c:3105 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3105!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6159 Comm: syz.3.531 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3105
Code: 1e cc 51 07 0f 0b e8 07 96 93 fe 48 c7 c7 40 2f e2 8a 48 c7 c6 80 2c e2 8a ba 21 0c 00 00 48 c7 c1 20 37 e2 8a e8 f8 cb 51 07 <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 50
RSP: 0018:ffffc900030cef80 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0cb1262a07865500
RDX: ffffc9000d221000 RSI: 0000000000012c9c RDI: 0000000000012c9d
RBP: 0000000000000020 R08: ffffffff8166be4c R09: ffffed10171e67a8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fda674b06c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc633a96e8 CR3: 0000000063278000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x1e5/0x490 fs/jfs/jfs_dmap.c:2054
 dbAllocCtl+0x147/0x9a0 fs/jfs/jfs_dmap.c:1894
 dbAllocAG+0x28b/0x10b0 fs/jfs/jfs_dmap.c:1432
 dbAlloc+0x654/0xc90 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xda3/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_rename+0xafa/0x1cb0 fs/jfs/namei.c:1224
 vfs_rename+0xd32/0x10f0 fs/namei.c:4832
 do_renameat2+0xe0f/0x1700 fs/namei.c:4985
 __do_sys_renameat2 fs/namei.c:5018 [inline]
 __se_sys_renameat2 fs/namei.c:5015 [inline]
 __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5015
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fda69647169
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:00007fda674b0038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007fda6985ffa0 RCX: 00007fda69647169
RDX: 000000000000000c RSI: 0000400000000080 RDI: 000000000000000c
RBP: 00007fda696c82a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000400000000a00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fda6985ffa0 R15: 00007ffe0a3f6fa8
 </TASK>
Modules linked in:
---[ end trace 8a172e9c2dd3c264 ]---
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3105
Code: 1e cc 51 07 0f 0b e8 07 96 93 fe 48 c7 c7 40 2f e2 8a 48 c7 c6 80 2c e2 8a ba 21 0c 00 00 48 c7 c1 20 37 e2 8a e8 f8 cb 51 07 <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 50
RSP: 0018:ffffc900030cef80 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0cb1262a07865500
RDX: ffffc9000d221000 RSI: 0000000000012c9c RDI: 0000000000012c9d
RBP: 0000000000000020 R08: ffffffff8166be4c R09: ffffed10171e67a8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fda674b06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31458b0420 CR3: 0000000063278000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400