ERROR: (device loop0): diWrite: ixpxd invalid BUG at fs/jfs/jfs_txnmgr.c:2798 assert(mp->nohomeok) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:2798! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2798 [inline] RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2623 Code: e9 2c ff ff ff e8 7a 0c 53 fe 48 c7 c7 a0 26 4e 8c 48 c7 c6 99 22 4e 8c ba ee 0a 00 00 48 c7 c1 a0 3a 4e 8c e8 db e8 b2 fd 90 <0f> 0b e8 53 0c 53 fe 48 c7 c7 a0 26 4e 8c 48 c7 c6 99 22 4e 8c ba RSP: 0018:ffffc9000f0a78f0 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff110062d2fe6 RCX: 59b3806f4a22e600 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: ffff888031697f30 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000024 R13: ffff888031697e88 R14: 0000000000000000 R15: 0000000000000004 FS: 00007f6b70f716c0(0000) GS:ffff88808c2c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b70f70fe8 CR3: 000000001243e000 CR4: 0000000000352ef0 Call Trace: txCommit+0x474c/0x54a0 fs/jfs/jfs_txnmgr.c:1356 jfs_create+0x8bd/0xae0 fs/jfs/namei.c:157 vfs_create+0x2be/0x450 fs/namei.c:4197 filename_mknodat+0x3e8/0x660 fs/namei.c:5319 __do_sys_mknod fs/namei.c:5356 [inline] __se_sys_mknod+0x3a/0x150 fs/namei.c:5353 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6b74b9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6b70f70fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007f6b74e26360 RCX: 00007f6b74b9e159 RDX: 0000000000000701 RSI: 0000000000000002 RDI: 0000200000000600 RBP: 00007f6b74c3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6b74e263f8 R14: 00007f6b74e26360 R15: 00007ffe19aa6788 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2798 [inline] RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2623 Code: e9 2c ff ff ff e8 7a 0c 53 fe 48 c7 c7 a0 26 4e 8c 48 c7 c6 99 22 4e 8c ba ee 0a 00 00 48 c7 c1 a0 3a 4e 8c e8 db e8 b2 fd 90 <0f> 0b e8 53 0c 53 fe 48 c7 c7 a0 26 4e 8c 48 c7 c6 99 22 4e 8c ba RSP: 0018:ffffc9000f0a78f0 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff110062d2fe6 RCX: 59b3806f4a22e600 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: ffff888031697f30 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000024 R13: ffff888031697e88 R14: 0000000000000000 R15: 0000000000000004 FS: 00007f6b70f716c0(0000) GS:ffff88808c2c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63799f3000 CR3: 000000001243e000 CR4: 0000000000352ef0