BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 276 Comm: jfsCommit Not tainted 5.15.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 61 ef 35 07 0f 0b e8 31 62 9b fe 48 c7 c7 c0 fb c0 8a 48 c7 c6 b9 f7 c0 8a ba a3 03 00 00 48 c7 c1 80 06 c1 8a e8 3b ef 35 07 <0f> 0b e8 0b 62 9b fe 48 c7 c7 c0 fb c0 8a 48 c7 c6 b9 f7 c0 8a ba RSP: 0018:ffffc90002867d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 837752767d017000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88809b0e10f8 R08: ffffffff81665b7c R09: ffffed10173667a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807eefd000 R13: ffff88807a2df094 R14: ffffc900023ca000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c014dd3538 CR3: 000000001bb4c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline] jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Modules linked in: ---[ end trace ce22dfdd863684cf ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 61 ef 35 07 0f 0b e8 31 62 9b fe 48 c7 c7 c0 fb c0 8a 48 c7 c6 b9 f7 c0 8a ba a3 03 00 00 48 c7 c1 80 06 c1 8a e8 3b ef 35 07 <0f> 0b e8 0b 62 9b fe 48 c7 c7 c0 fb c0 8a 48 c7 c6 b9 f7 c0 8a ba RSP: 0018:ffffc90002867d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 837752767d017000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88809b0e10f8 R08: ffffffff81665b7c R09: ffffed10173667a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807eefd000 R13: ffff88807a2df094 R14: ffffc900023ca000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c007fb7000 CR3: 000000008310a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400