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] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4433 Comm: syz.3.4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : txLock+0x1714/0x18ac fs/jfs/jfs_txnmgr.c:662
lr : txLock+0x1714/0x18ac fs/jfs/jfs_txnmgr.c:662
sp : ffff800021057250
x29: ffff800021057280 x28: 0000000000000048 x27: 0000000000002020
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000005
x23: ffff80002022a000 x22: ffff80002022a000 x21: dfff800000000000
x20: ffff80002022a168 x19: 1ffff00004045400 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011b90080 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe00033e769a3 x12: 0000000000080000
x11: 000000000000ea89 x10: ffff80002b2f3000 x9 : d7c559663150a200
x8 : d7c559663150a200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021056d18 x4 : ffff800015464e80 x3 : ffff800008540904
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002b
Call trace:
 txLock+0x1714/0x18ac fs/jfs/jfs_txnmgr.c:662
 dtSplitRoot+0x298/0x11b8 fs/jfs/jfs_dtree.c:1927
 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
 dtInsert+0xb10/0x5710 fs/jfs/jfs_dtree.c:871
 jfs_rename+0x684/0x13cc fs/jfs/namei.c:1224
 vfs_rename+0xb08/0xe3c fs/namei.c:4882
 do_renameat2+0x760/0xaa4 fs/namei.c:5035
 __do_sys_renameat2 fs/namei.c:5068 [inline]
 __se_sys_renameat2 fs/namei.c:5065 [inline]
 __arm64_sys_renameat2+0xe8/0x104 fs/namei.c:5065
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 90043b63 91380063 528052c2 979c9d8d (d4210000) 
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