ERROR: (device loop4): diWrite: ixpxd invalid BUG at fs/jfs/jfs_txnmgr.c:2796 assert(mp->nohomeok) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:2796! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4458 Comm: syz.4.7 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2796 [inline] RIP: 0010:txAbort+0x596/0x5c0 fs/jfs/jfs_txnmgr.c:2622 Code: fe e9 3e ff ff ff e8 d9 3b 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba ec 0a 00 00 48 c7 c1 e0 4f a6 8a e8 fa c1 16 07 <0f> 0b e8 b3 3b 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba RSP: 0018:ffffc90004cff518 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 0000000000000006 RCX: ca84e9def3ac2200 RDX: ffffc90010fe3000 RSI: 0000000000009b43 RDI: 0000000000009b44 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff5200099fe45 R10: fffff5200099fe45 R11: 1ffff9200099fe44 R12: 0000000000000036 R13: ffff88801de61ba0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fd9a97d56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f5f3ff8 CR3: 0000000027b17000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txCommit+0x44b6/0x51c0 fs/jfs/jfs_txnmgr.c:1355 jfs_create+0x852/0xa50 fs/jfs/namei.c:156 lookup_open fs/namei.c:3490 [inline] open_last_lookups fs/namei.c:3558 [inline] path_openat+0x1187/0x2e70 fs/namei.c:3788 do_filp_open+0x1c1/0x3c0 fs/namei.c:3818 do_sys_openat2+0x142/0x490 fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __x64_sys_openat+0x135/0x160 fs/open.c:1347 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd9ab58f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd9a97d5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd9ab7e6180 RCX: 00007fd9ab58f749 RDX: 000000000000275a RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007fd9ab613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd9ab7e6218 R14: 00007fd9ab7e6180 R15: 00007ffd1a5a0b28 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2796 [inline] RIP: 0010:txAbort+0x596/0x5c0 fs/jfs/jfs_txnmgr.c:2622 Code: fe e9 3e ff ff ff e8 d9 3b 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba ec 0a 00 00 48 c7 c1 e0 4f a6 8a e8 fa c1 16 07 <0f> 0b e8 b3 3b 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba RSP: 0018:ffffc90004cff518 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 0000000000000006 RCX: ca84e9def3ac2200 RDX: ffffc90010fe3000 RSI: 0000000000009b43 RDI: 0000000000009b44 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff5200099fe45 R10: fffff5200099fe45 R11: 1ffff9200099fe44 R12: 0000000000000036 R13: ffff88801de61ba0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fd9a97d56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a47fb6ad8 CR3: 0000000027b17000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400