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: 1 UID: 0 PID: 111 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: c8 fd 90 0f 0b e8 21 c1 66 fe 48 c7 c7 e0 57 0b 8c 48 c7 c6 d9 53 0b 8c ba a4 03 00 00 48 c7 c1 e0 64 0b 8c e8 12 e5 c8 fd 90 <0f> 0b e8 fa c0 66 fe 48 c7 c7 e0 57 0b 8c 48 c7 c6 d9 53 0b 8c ba RSP: 0018:ffffc90002e27c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 83dd0e1e2e0a7400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000297a168 R08: ffffc90002e279c7 R09: 1ffff920005c4f38 R10: dffffc0000000000 R11: fffff520005c4f39 R12: dffffc0000000000 R13: 1ffff11008231a72 R14: ffff88804118d390 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125564000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f32ced456b8 CR3: 0000000078bd5000 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: c8 fd 90 0f 0b e8 21 c1 66 fe 48 c7 c7 e0 57 0b 8c 48 c7 c6 d9 53 0b 8c ba a4 03 00 00 48 c7 c1 e0 64 0b 8c e8 12 e5 c8 fd 90 <0f> 0b e8 fa c0 66 fe 48 c7 c7 e0 57 0b 8c 48 c7 c6 d9 53 0b 8c ba RSP: 0018:ffffc90002e27c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 83dd0e1e2e0a7400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000297a168 R08: ffffc90002e279c7 R09: 1ffff920005c4f38 R10: dffffc0000000000 R11: fffff520005c4f39 R12: dffffc0000000000 R13: 1ffff11008231a72 R14: ffff88804118d390 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125464000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa6e0617dac CR3: 0000000024a5f000 CR4: 0000000000350ef0