BUG at fs/jfs/jfs_dmap.c:2984 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3603 Comm: syz-executor203 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:dbFindBits.cold+0xa1/0xa3 fs/jfs/jfs_dmap.c:2984
Code: fa e9 f8 99 93 f9 e8 37 18 35 f8 48 c7 c1 80 9b 29 8a ba a8 0b 00 00 48 c7 c6 00 9a 29 8a 48 c7 c7 40 9a 29 8a e8 62 7e f8 ff <0f> 0b e8 11 18 35 f8 49 63 d4 48 89 ee 48 c7 c7 e0 23 4c 8c e8 ff
RSP: 0018:ffffc90003f0f5c8 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880209e8000 RSI: ffffffff8160f738 RDI: fffff520007e1eab
RBP: 0000000000009afb R08: 0000000000000030 R09: 0000000000000000
R10: 0000000080000000 R11: 6620746120475542 R12: 0000000000000010
R13: 0000000000000020 R14: 000000000fff9afb R15: 0000000000000010
FS:  0000555555e6b300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faee73b4a70 CR3: 000000007173d000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dbAllocNear fs/jfs/jfs_dmap.c:1224 [inline]
 dbAlloc+0x8e5/0xa70 fs/jfs/jfs_dmap.c:813
 extBalloc fs/jfs/jfs_extent.c:321 [inline]
 extAlloc+0x4e7/0xeb0 fs/jfs/jfs_extent.c:122
 jfs_get_block+0x661/0xa90 fs/jfs/inode.c:248
 get_more_blocks fs/direct-io.c:665 [inline]
 do_direct_IO fs/direct-io.c:953 [inline]
 __blockdev_direct_IO+0x16ca/0x3880 fs/direct-io.c:1266
 blockdev_direct_IO include/linux/fs.h:3204 [inline]
 jfs_direct_IO+0x10a/0x2c0 fs/jfs/inode.c:336
 generic_file_direct_write+0x1e8/0x540 mm/filemap.c:3669
 __generic_file_write_iter+0x1a2/0x4d0 mm/filemap.c:3829
 generic_file_write_iter+0xdf/0x350 mm/filemap.c:3905
 call_write_iter include/linux/fs.h:2190 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x9e9/0xdd0 fs/read_write.c:584
 ksys_write+0x127/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7faa047a5f29
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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe22796e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa047a5f29
RDX: 00000000ffffffa7 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007faa047656f0 R08: 0000000000000000 R09: 00007faa047656f0
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000f8008000
R13: 0000000000000000 R14: 00080000000000f8 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits.cold+0xa1/0xa3 fs/jfs/jfs_dmap.c:2984
Code: fa e9 f8 99 93 f9 e8 37 18 35 f8 48 c7 c1 80 9b 29 8a ba a8 0b 00 00 48 c7 c6 00 9a 29 8a 48 c7 c7 40 9a 29 8a e8 62 7e f8 ff <0f> 0b e8 11 18 35 f8 49 63 d4 48 89 ee 48 c7 c7 e0 23 4c 8c e8 ff
RSP: 0018:ffffc90003f0f5c8 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880209e8000 RSI: ffffffff8160f738 RDI: fffff520007e1eab
RBP: 0000000000009afb R08: 0000000000000030 R09: 0000000000000000
R10: 0000000080000000 R11: 6620746120475542 R12: 0000000000000010
R13: 0000000000000020 R14: 000000000fff9afb R15: 0000000000000010
FS:  0000555555e6b300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faee73b4a70 CR3: 000000007173d000 CR4: 0000000000350ef0