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: 276 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 86 df 06 0f 0b e8 18 fe a5 fe 48 c7 c7 c0 78 62 8a 48 c7 c6 b9 74 62 8a ba a4 03 00 00 48 c7 c1 80 83 62 8a e8 d9 86 df 06 <0f> 0b e8 f2 fd a5 fe 48 c7 c7 c0 78 62 8a 48 c7 c6 b9 74 62 8a ba RSP: 0018:ffffc90002d0fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 81d5c9a158ef2600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028721b0 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff88802156b4d8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002651330 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560115ca2950 CR3: 000000002b146000 CR4: 00000000003526f0 DR0: 0000000000000001 DR1: 00000000000001f8 DR2: 0000000000000003 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 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 40ef4c7e00b47252 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 86 df 06 0f 0b e8 18 fe a5 fe 48 c7 c7 c0 78 62 8a 48 c7 c6 b9 74 62 8a ba a4 03 00 00 48 c7 c1 80 83 62 8a e8 d9 86 df 06 <0f> 0b e8 f2 fd a5 fe 48 c7 c7 c0 78 62 8a 48 c7 c6 b9 74 62 8a ba RSP: 0018:ffffc90002d0fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 81d5c9a158ef2600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028721b0 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff88802156b4d8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002651330 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f09758afe9c CR3: 000000002ae43000 CR4: 00000000003526e0 DR0: 0000000000000001 DR1: 00000000000001f8 DR2: 0000000000000003 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400