list_add corruption. next is NULL.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 92 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __list_add_valid+0xdc/0x110 lib/list_debug.c:25
lr : __list_add_valid+0xdc/0x110 lib/list_debug.c:25
sp : ffff80001dfb7bd0
x29: ffff80001dfb7bd0 x28: dfff800000000000 x27: 00000000c0000000
x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c9c924e8
x23: ffff80001fe89340 x22: 1ffff00003fd1268 x21: ffff80001fe89330
x20: ffff0000c9c924f8 x19: 0000000000000000 x18: ffff800011b8bf60
x17: 0000000000000000 x16: ffff8000082ef028 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00003bf6ee0 x12: 0000000000ff0100
x11: ff00800008311710 x10: 0000000000000000 x9 : cbdb5a8397d63800
x8 : cbdb5a8397d63800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001dfb7698 x4 : ffff8000152f4cc0 x3 : ffff80000a88bdd0
x2 : ffff00019f543d10 x1 : 0000000100000001 x0 : 0000000000000022
Call trace:
 __list_add_valid+0xdc/0x110 lib/list_debug.c:25
 __list_add include/linux/list.h:69 [inline]
 list_add include/linux/list.h:88 [inline]
 diUpdatePMap+0x4e8/0xb8c fs/jfs/jfs_imap.c:2831
 txUpdateMap+0x5e4/0x794 fs/jfs/jfs_txnmgr.c:2357
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x354/0x908 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: d4210000 d003bd00 911f0000 95c1b744 (d4210000) 
---[ end trace 0000000000000000 ]---