BUG at fs/jfs/jfs_txnmgr.c:933 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:933! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 116 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:txUnlock.cold+0xaa/0xac fs/jfs/jfs_txnmgr.c:933 Code: f6 ff 90 0f 0b e8 75 ae de 00 48 c7 c1 a0 68 18 8c ba a5 03 00 00 48 c7 c6 e0 67 18 8c 48 c7 c7 20 68 18 8c e8 36 a8 f6 ff 90 <0f> 0b e8 4e ae de 00 48 c7 c7 c0 69 18 8c e8 22 a8 f6 ff e9 99 ac RSP: 0018:ffffc90002d4fcd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc900028c20d8 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81e89e59 RDI: fffff520005a9f8b RBP: ffff888077ae27c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff888123eda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe3a25ed158 CR3: 0000000033c96000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x706/0xab0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 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.cold+0xaa/0xac fs/jfs/jfs_txnmgr.c:933 Code: f6 ff 90 0f 0b e8 75 ae de 00 48 c7 c1 a0 68 18 8c ba a5 03 00 00 48 c7 c6 e0 67 18 8c 48 c7 c7 20 68 18 8c e8 36 a8 f6 ff 90 <0f> 0b e8 4e ae de 00 48 c7 c7 c0 69 18 8c e8 22 a8 f6 ff e9 99 ac RSP: 0018:ffffc90002d4fcd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc900028c20d8 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81e89e59 RDI: fffff520005a9f8b RBP: ffff888077ae27c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff888123dda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f61081b9000 CR3: 000000007eaf3000 CR4: 0000000000350ef0