BUG at fs/jfs/jfs_txnmgr.c:926 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:926! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 276 Comm: jfsCommit Not tainted 5.15.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:926 Code: 21 d5 35 07 0f 0b e8 b1 ec 9b fe 48 c7 c7 00 e7 c0 8a 48 c7 c6 39 e3 c0 8a ba 9e 03 00 00 48 c7 c1 c0 f1 c0 8a e8 fb d4 35 07 <0f> 0b e8 8b ec 9b fe 48 c7 c7 00 e7 c0 8a 48 c7 c6 39 e3 c0 8a ba RSP: 0018:ffffc90002cdfd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 8fb3ef510f51ae00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff8880791f8c98 R08: ffffffff8166491c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076522800 R13: ffff8880163dc894 R14: ffffc90002852000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005618c7618000 CR3: 0000000023c1e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2711 [inline] jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2761 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Modules linked in: ---[ end trace d16a21c9b56945c8 ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:926 Code: 21 d5 35 07 0f 0b e8 b1 ec 9b fe 48 c7 c7 00 e7 c0 8a 48 c7 c6 39 e3 c0 8a ba 9e 03 00 00 48 c7 c1 c0 f1 c0 8a e8 fb d4 35 07 <0f> 0b e8 8b ec 9b fe 48 c7 c7 00 e7 c0 8a 48 c7 c6 39 e3 c0 8a ba RSP: 0018:ffffc90002cdfd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 8fb3ef510f51ae00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff8880791f8c98 R08: ffffffff8166491c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076522800 R13: ffff8880163dc894 R14: ffffc90002852000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005618c7618000 CR3: 0000000023c1e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400