BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 112 Comm: jfsCommit Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931 Code: e8 fd 90 0f 0b e8 51 e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba a3 03 00 00 48 c7 c1 60 fe c3 8b e8 52 27 e8 fd 90 <0f> 0b e8 2a e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba RSP: 0018:ffffc90002d87bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 6ac553675a109700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028fa168 R08: ffffc90002d878e7 R09: 1ffff920005b0f1c R10: dffffc0000000000 R11: fffff520005b0f1d R12: dffffc0000000000 R13: 1ffff1100eaa71c7 R14: ffff888075538e38 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a850e6130 CR3: 0000000073db4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931 Code: e8 fd 90 0f 0b e8 51 e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba a3 03 00 00 48 c7 c1 60 fe c3 8b e8 52 27 e8 fd 90 <0f> 0b e8 2a e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba RSP: 0018:ffffc90002d87bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 6ac553675a109700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028fa168 R08: ffffc90002d878e7 R09: 1ffff920005b0f1c R10: dffffc0000000000 R11: fffff520005b0f1d R12: dffffc0000000000 R13: 1ffff1100eaa71c7 R14: ffff888075538e38 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f2a18dd30 CR3: 0000000034316000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400