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: 112 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 69 d7 78 07 0f 0b e8 52 79 7f fe 48 c7 c7 c0 0c 04 8b 48 c7 c6 b9 08 04 8b ba a4 03 00 00 48 c7 c1 a0 19 04 8b e8 43 d7 78 07 <0f> 0b e8 2c 79 7f fe 48 c7 c7 c0 0c 04 8b 48 c7 c6 b9 08 04 8b ba RSP: 0000:ffffc90002617d10 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: fa0c32481449f500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807d347aa8 R08: ffffc90002617a07 R09: 1ffff920004c2f40 R10: dffffc0000000000 R11: fffff520004c2f41 R12: ffffc9000283a360 R13: dffffc0000000000 R14: 000000000000006c R15: ffff88802c062094 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac1c7556b8 CR3: 000000007d812000 CR4: 00000000003506e0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x58c/0xaa0 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+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 69 d7 78 07 0f 0b e8 52 79 7f fe 48 c7 c7 c0 0c 04 8b 48 c7 c6 b9 08 04 8b ba a4 03 00 00 48 c7 c1 a0 19 04 8b e8 43 d7 78 07 <0f> 0b e8 2c 79 7f fe 48 c7 c7 c0 0c 04 8b 48 c7 c6 b9 08 04 8b ba RSP: 0000:ffffc90002617d10 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: fa0c32481449f500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807d347aa8 R08: ffffc90002617a07 R09: 1ffff920004c2f40 R10: dffffc0000000000 R11: fffff520004c2f41 R12: ffffc9000283a360 R13: dffffc0000000000 R14: 000000000000006c R15: ffff88802c062094 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac1c8daff8 CR3: 000000007d812000 CR4: 00000000003506e0