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: 275 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 77 de 06 0f 0b e8 68 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba a4 03 00 00 48 c7 c1 40 75 62 8a e8 d9 77 de 06 <0f> 0b e8 42 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba RSP: 0018:ffffc9000254fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 285a094c9cb77800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002812240 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888061b167c0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc900025f1220 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae79d9f158 CR3: 0000000067ef0000 CR4: 00000000003506f0 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 a21a291afcb7cbbe ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 77 de 06 0f 0b e8 68 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba a4 03 00 00 48 c7 c1 40 75 62 8a e8 d9 77 de 06 <0f> 0b e8 42 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba RSP: 0018:ffffc9000254fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 285a094c9cb77800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002812240 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888061b167c0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc900025f1220 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f066d1f0000 CR3: 000000002af9c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400