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: 107 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: a9 4b 31 07 0f 0b e8 52 57 8e fe 48 c7 c7 80 1b c6 8a 48 c7 c6 69 17 c6 8a ba a4 03 00 00 48 c7 c1 60 28 c6 8a e8 83 4b 31 07 <0f> 0b e8 2c 57 8e fe 48 c7 c7 80 1b c6 8a 48 c7 c6 69 17 c6 8a ba RSP: 0018:ffffc90002cc7d30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: f114f2fa2b1d3800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888070b3a2e8 R08: ffffc90002cc7a27 R09: 1ffff92000598f44 R10: dffffc0000000000 R11: fffff52000598f45 R12: ffffc9000283a120 R13: dffffc0000000000 R14: 0000000000000024 R15: ffff88807c32d694 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6cac99d000 CR3: 000000007bc98000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x588/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: a9 4b 31 07 0f 0b e8 52 57 8e fe 48 c7 c7 80 1b c6 8a 48 c7 c6 69 17 c6 8a ba a4 03 00 00 48 c7 c1 60 28 c6 8a e8 83 4b 31 07 <0f> 0b e8 2c 57 8e fe 48 c7 c7 80 1b c6 8a 48 c7 c6 69 17 c6 8a ba RSP: 0018:ffffc90002cc7d30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: f114f2fa2b1d3800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888070b3a2e8 R08: ffffc90002cc7a27 R09: 1ffff92000598f44 R10: dffffc0000000000 R11: fffff52000598f45 R12: ffffc9000283a120 R13: dffffc0000000000 R14: 0000000000000024 R15: ffff88807c32d694 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14dafed2f8 CR3: 000000007bc98000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400