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: 133 Comm: jfsCommit Not tainted 6.1.108-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: f8 7b 99 07 0f 0b e8 51 a2 7f fe 48 c7 c7 40 fc 44 8b 48 c7 c6 39 f8 44 8b ba a3 03 00 00 48 c7 c1 20 09 45 8b e8 d2 7b 99 07 <0f> 0b e8 2b a2 7f fe 48 c7 c7 40 fc 44 8b 48 c7 c6 39 f8 44 8b ba RSP: 0018:ffffc90002d0fd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: c58db9a3ea1d1400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88802d5114d8 R08: ffffffff816e4dcc R09: fffff520005a1f41 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880748021d0 R13: ffff88807b792494 R14: ffffc90002882000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555570a6b808 CR3: 000000005f4a6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: f8 7b 99 07 0f 0b e8 51 a2 7f fe 48 c7 c7 40 fc 44 8b 48 c7 c6 39 f8 44 8b ba a3 03 00 00 48 c7 c1 20 09 45 8b e8 d2 7b 99 07 <0f> 0b e8 2b a2 7f fe 48 c7 c7 40 fc 44 8b 48 c7 c6 39 f8 44 8b ba RSP: 0018:ffffc90002d0fd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: c58db9a3ea1d1400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88802d5114d8 R08: ffffffff816e4dcc R09: fffff520005a1f41 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880748021d0 R13: ffff88807b792494 R14: ffffc90002882000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fddb82fc178 CR3: 000000007e0fe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400