BUG at fs/jfs/jfs_dmap.c:3039 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3039!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19830 Comm: syz.3.3351 Tainted: G        W          6.1.122-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3039
Code: 0e 26 9f 07 0f 0b e8 a7 65 79 fe 48 c7 c7 00 ad 45 8b 48 c7 c6 40 aa 45 8b ba df 0b 00 00 48 c7 c1 e0 b4 45 8b e8 e8 25 9f 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:ffffc9000571ee20 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 29a3259c5e6c2900
RDX: ffffc90010ad3000 RSI: 0000000000007faa RDI: 0000000000007fab
RBP: 0000000000000020 R08: ffffffff816e6cec R09: fffff52000ae3d65
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fbc1acf56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d593db5e8 CR3: 000000005d4b9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x1e5/0x490 fs/jfs/jfs_dmap.c:1988
 dbAllocCtl+0x147/0x9a0 fs/jfs/jfs_dmap.c:1828
 dbAllocAG+0x28b/0x10b0 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x654/0xc90 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:981 [inline]
 dtInsert+0xd76/0x6c00 fs/jfs/jfs_dtree.c:870
 jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3550 [inline]
 path_openat+0x12f1/0x2e60 fs/namei.c:3780
 do_filp_open+0x230/0x480 fs/namei.c:3810
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbc19f85d29
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:00007fbc1acf5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbc1a176080 RCX: 00007fbc19f85d29
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fbc1a001b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbc1a176080 R15: 00007ffe1a77be58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3039
Code: 0e 26 9f 07 0f 0b e8 a7 65 79 fe 48 c7 c7 00 ad 45 8b 48 c7 c6 40 aa 45 8b ba df 0b 00 00 48 c7 c1 e0 b4 45 8b e8 e8 25 9f 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:ffffc9000571ee20 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 29a3259c5e6c2900
RDX: ffffc90010ad3000 RSI: 0000000000007faa RDI: 0000000000007fab
RBP: 0000000000000020 R08: ffffffff816e6cec R09: fffff52000ae3d65
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fbc1acf56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce2ee0078 CR3: 000000005d4b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400