BUG at fs/jfs/jfs_dmap.c:3010 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3010!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 32621 Comm: syz-executor.3 Not tainted 6.1.63-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3010
Code: 97 bd 81 07 0f 0b e8 37 f9 84 fe 48 c7 c7 60 51 24 8b 48 c7 c6 a0 4e 24 8b ba c2 0b 00 00 48 c7 c1 40 59 24 8b e8 71 bd 81 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:ffffc900034ff980 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: cbab8d4b8d89f300
RDX: ffffc900129fc000 RSI: 0000000000005655 RDI: 0000000000005656
RBP: 0000000000000020 R08: ffffffff816e155c R09: fffff5200069fed1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS:  00007f357e46a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b5972a3000 CR3: 0000000027b3e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000f80
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x1e3/0x490 fs/jfs/jfs_dmap.c:1976
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1816
 dbAllocAG+0x28b/0x10b0 fs/jfs/jfs_dmap.c:1357
 dbDiscardAG+0x34e/0xa10 fs/jfs/jfs_dmap.c:1606
 jfs_ioc_trim+0x42f/0x660 fs/jfs/jfs_discard.c:100
 jfs_ioctl+0x2cc/0x3e0 fs/jfs/ioctl.c:131
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f357d67cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f357e46a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f357d79bf80 RCX: 00007f357d67cae9
RDX: 0000000020000680 RSI: 00000000c0185879 RDI: 0000000000000006
RBP: 00007f357d6c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f357d79bf80 R15: 00007ffc6d996148
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x1c8/0x1d0 fs/jfs/jfs_dmap.c:3010
Code: 97 bd 81 07 0f 0b e8 37 f9 84 fe 48 c7 c7 60 51 24 8b 48 c7 c6 a0 4e 24 8b ba c2 0b 00 00 48 c7 c1 40 59 24 8b e8 71 bd 81 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:ffffc900034ff980 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: cbab8d4b8d89f300
RDX: ffffc900129fc000 RSI: 0000000000005655 RDI: 0000000000005656
RBP: 0000000000000020 R08: ffffffff816e155c R09: fffff5200069fed1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
FS:  00007f357e46a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d718cfcc08 CR3: 0000000027b3e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000f80
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400