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: 277 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 5f 02 df 06 0f 0b e8 18 05 a6 fe 48 c7 c7 40 6e 62 8a 48 c7 c6 39 6a 62 8a ba a4 03 00 00 48 c7 c1 00 79 62 8a e8 39 02 df 06 <0f> 0b e8 f2 04 a6 fe 48 c7 c7 40 6e 62 8a 48 c7 c6 39 6a 62 8a ba RSP: 0018:ffffc90002cafd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 1a1e988272e86500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028220d8 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff888060aedba0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002601220 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6bfc94f40 CR3: 000000007e4f9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 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 3045f58d3d7c13d2 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 5f 02 df 06 0f 0b e8 18 05 a6 fe 48 c7 c7 40 6e 62 8a 48 c7 c6 39 6a 62 8a ba a4 03 00 00 48 c7 c1 00 79 62 8a e8 39 02 df 06 <0f> 0b e8 f2 04 a6 fe 48 c7 c7 40 6e 62 8a 48 c7 c6 39 6a 62 8a ba RSP: 0018:ffffc90002cafd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 1a1e988272e86500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028220d8 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff888060aedba0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002601220 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb4c8526f40 CR3: 000000007e4f9000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400