BUG at fs/jfs/jfs_txnmgr.c:662 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:662!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 8310 Comm: syz.1.337 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : txLock+0x1604/0x17a8 fs/jfs/jfs_txnmgr.c:662
lr : txLock+0x1604/0x17a8 fs/jfs/jfs_txnmgr.c:662
sp : ffff8000a1ec70a0
x29: ffff8000a1ec70c0 x28: 1ffff00013780200 x27: 0000000000000048
x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000000a
x23: ffff80009bc01000 x22: ffff80009bc01000 x21: 0000000000000002
x20: ffff80009bc012d0 x19: dfff800000000000 x18: 1fffe0003377d090
x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1ffff000143d8d90 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000003783 x9 : 6e248d45e4421b00
x8 : 6e248d45e4421b00 x7 : ffff80008049ea88 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002b
Call trace:
 txLock+0x1604/0x17a8 fs/jfs/jfs_txnmgr.c:662 (P)
 dtSplitRoot+0x2c0/0x12f4 fs/jfs/jfs_dtree.c:1927
 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
 dtInsert+0xba0/0x49c0 fs/jfs/jfs_dtree.c:871
 jfs_create+0x588/0x8c4 fs/jfs/namei.c:137
 lookup_open fs/namei.c:4440 [inline]
 open_last_lookups fs/namei.c:4540 [inline]
 path_openat+0x143c/0x3114 fs/namei.c:4784
 do_filp_open+0x18c/0x36c fs/namei.c:4814
 do_sys_openat2+0x11c/0x1f0 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __arm64_sys_openat+0x120/0x158 fs/open.c:1447
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: 9004bb23 91348063 528052c2 97919201 (d4210000) 
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