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: 0 PID: 277 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 0f 69 de 06 0f 0b e8 78 19 a6 fe 48 c7 c7 40 6a 62 8a 48 c7 c6 39 66 62 8a ba a4 03 00 00 48 c7 c1 00 75 62 8a e8 e9 68 de 06 <0f> 0b e8 52 19 a6 fe 48 c7 c7 40 6a 62 8a 48 c7 c6 39 66 62 8a ba RSP: 0018:ffffc900025ffd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: b01f3acfdbf32100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002842048 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888061494ba0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002621440 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcfbc09f00 CR3: 000000005a2cb000 CR4: 00000000003506f0 DR0: 14a4b82c2518af9b DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2717 [inline] jfs_lazycommit+0x581/0xb40 fs/jfs/jfs_txnmgr.c:2767 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 2c6e713a17ba67e1 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 0f 69 de 06 0f 0b e8 78 19 a6 fe 48 c7 c7 40 6a 62 8a 48 c7 c6 39 66 62 8a ba a4 03 00 00 48 c7 c1 00 75 62 8a e8 e9 68 de 06 <0f> 0b e8 52 19 a6 fe 48 c7 c7 40 6a 62 8a 48 c7 c6 39 66 62 8a ba RSP: 0018:ffffc900025ffd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: b01f3acfdbf32100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002842048 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888061494ba0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002621440 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32622ff8 CR3: 000000002983d000 CR4: 00000000003506f0 DR0: 14a4b82c2518af9b DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400