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 PTI CPU: 0 UID: 0 PID: 123 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:txUnlock+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: aa fd 90 0f 0b e8 db 98 4b fe 48 c7 c7 a0 98 4e 8c 48 c7 c6 99 94 4e 8c ba a5 03 00 00 48 c7 c1 a0 a5 4e 8c e8 fc 7c aa fd 90 <0f> 0b e8 b4 98 4b fe 48 c7 c7 a0 98 4e 8c 48 c7 c6 99 94 4e 8c ba RSP: 0018:ffffc9000207fc48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff888055df1868 RCX: aa7284d87364b200 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: 1ffff1100abbe30d R08: ffffc9000207f9c7 R09: 1ffff9200040ff38 R10: dffffc0000000000 R11: fffff5200040ff39 R12: ffffc90002912048 R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888123a8b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f181edca286 CR3: 0000000074892000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x59f/0xac0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 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+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: aa fd 90 0f 0b e8 db 98 4b fe 48 c7 c7 a0 98 4e 8c 48 c7 c6 99 94 4e 8c ba a5 03 00 00 48 c7 c1 a0 a5 4e 8c e8 fc 7c aa fd 90 <0f> 0b e8 b4 98 4b fe 48 c7 c7 a0 98 4e 8c 48 c7 c6 99 94 4e 8c ba RSP: 0018:ffffc9000207fc48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff888055df1868 RCX: aa7284d87364b200 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: 1ffff1100abbe30d R08: ffffc9000207f9c7 R09: 1ffff9200040ff38 R10: dffffc0000000000 R11: fffff5200040ff39 R12: ffffc90002912048 R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888123b8b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e20957e20 CR3: 000000000fb48000 CR4: 00000000003526f0