BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 109 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: ce fd 90 0f 0b e8 81 1d 6b fe 48 c7 c7 e0 1d 0b 8c 48 c7 c6 d9 19 0b 8c ba a4 03 00 00 48 c7 c1 e0 2a 0b 8c e8 e2 96 ce fd 90 <0f> 0b e8 5a 1d 6b fe 48 c7 c7 e0 1d 0b 8c 48 c7 c6 d9 19 0b 8c ba RSP: 0018:ffffc900026c7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 422a31eb8c8a2400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028ea048 R08: ffffc900026c79c7 R09: 1ffff920004d8f38 R10: dffffc0000000000 R11: fffff520004d8f39 R12: dffffc0000000000 R13: 1ffff110092acd6a R14: ffff888049566b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881254b0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60cd66c000 CR3: 000000007c55d000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x582/0xaa0 fs/jfs/jfs_txnmgr.c:2734 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: ce fd 90 0f 0b e8 81 1d 6b fe 48 c7 c7 e0 1d 0b 8c 48 c7 c6 d9 19 0b 8c ba a4 03 00 00 48 c7 c1 e0 2a 0b 8c e8 e2 96 ce fd 90 <0f> 0b e8 5a 1d 6b fe 48 c7 c7 e0 1d 0b 8c 48 c7 c6 d9 19 0b 8c ba RSP: 0018:ffffc900026c7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 422a31eb8c8a2400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028ea048 R08: ffffc900026c79c7 R09: 1ffff920004d8f38 R10: dffffc0000000000 R11: fffff520004d8f39 R12: dffffc0000000000 R13: 1ffff110092acd6a R14: ffff888049566b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881254b0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60cce80178 CR3: 0000000029183000 CR4: 0000000000350ef0