BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 113 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 3f 16 73 07 0f 0b e8 68 9b 7f fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba a4 03 00 00 48 c7 c1 20 2e 04 8b e8 19 16 73 07 <0f> 0b e8 42 9b 7f fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba RSP: 0018:ffffc90002cf7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: c38ba9ed7f826100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000286a120 R08: ffffc90002cf7a07 R09: 1ffff9200059ef40 R10: dffffc0000000000 R11: fffff5200059ef41 R12: ffff88801d32c5d0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888069835e94 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38201267b8 CR3: 000000007ec9f000 CR4: 00000000003506e0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x56e/0xa70 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 3f 16 73 07 0f 0b e8 68 9b 7f fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba a4 03 00 00 48 c7 c1 20 2e 04 8b e8 19 16 73 07 <0f> 0b e8 42 9b 7f fe 48 c7 c7 40 21 04 8b 48 c7 c6 39 1d 04 8b ba RSP: 0018:ffffc90002cf7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: c38ba9ed7f826100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000286a120 R08: ffffc90002cf7a07 R09: 1ffff9200059ef40 R10: dffffc0000000000 R11: fffff5200059ef41 R12: ffff88801d32c5d0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888069835e94 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f47ed009e90 CR3: 00000000616d3000 CR4: 00000000003506e0