BUG at fs/jfs/jfs_dmap.c:3123 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3123!
Oops: inv[  133.171448][ T6871] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6871 Comm: syz.6.58 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3123
Code: cc fd 90 0f 0b e8 52 0e 6a fe 48 c7 c7 e0 9f 8b 8b 48 c7 c6 20 9d 8b 8b ba 33 0c 00 00 48 c7 c1 20 a8 8b 8b e8 f3 6a cc fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41
RSP: 0018:ffffc900041f7550 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 8e3228285ace3e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124903 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020
FS:  00007f809306d6c0(0000) GS:ffff888126242000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc32fcb8000 CR3: 000000003d3a4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dbAllocNear+0x23f/0x3c0 fs/jfs/jfs_dmap.c:1330
 dbAlloc+0x937/0xba0 fs/jfs/jfs_dmap.c:919
 ea_get+0x998/0x1300 fs/jfs/xattr.c:516
 __jfs_setxattr+0x5d5/0x1190 fs/jfs/xattr.c:727
 jfs_initxattrs+0x18c/0x260 fs/jfs/xattr.c:1040
 security_inode_init_security+0x29b/0x3e0 security/security.c:1370
 jfs_init_security+0x91/0xe0 fs/jfs/xattr.c:1052
 jfs_mkdir+0x2c4/0xb00 fs/jfs/namei.c:241
 vfs_mkdir+0x402/0x620 fs/namei.c:5272
 filename_mkdirat+0x289/0x520 fs/namei.c:5305
 __do_sys_mkdirat fs/namei.c:5326 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5323
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8094e3bcc7
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f809306ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f809306cee0 RCX: 00007f8094e3bcc7
RDX: 00000000000001ff RSI: 0000200000000000 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007f809306cea0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3123
Code: cc fd 90 0f 0b e8 52 0e 6a fe 48 c7 c7 e0 9f 8b 8b 48 c7 c6 20 9d 8b 8b ba 33 0c 00 00 48 c7 c1 20 a8 8b 8b e8 f3 6a cc fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41
RSP: 0018:ffffc900041f7550 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 8e3228285ace3e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124903 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020
FS:  00007f809306d6c0(0000) GS:ffff888126242000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcfd4d4298 CR3: 000000003d3a4000 CR4: 00000000003526f0