ERROR: (device loop0): diWrite: ixpxd invalid ERROR: (device loop0): txCommit: BUG at fs/jfs/jfs_txnmgr.c:530 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:530! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5322 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:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530 Code: e9 cc fe ff ff e8 21 68 53 fe 48 c7 c7 a0 27 4e 8c 48 c7 c6 99 23 4e 8c ba 12 02 00 00 48 c7 c1 e0 27 4e 8c e8 b2 07 b3 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000eaafae0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff88804075e000 RCX: 42a6295d4f504d00 RDX: 0000000000000000 RSI: 8000000000000001 RDI: 0000000000000000 RBP: ffffc900010a9112 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 1ffff92000215227 R13: dffffc0000000000 R14: ffffc900010a9138 R15: 0000000000000004 FS: 00007fdce22a36c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdce22c4008 CR3: 0000000037c6d000 CR4: 0000000000352ef0 Call Trace: jfs_mkdir+0x2ee/0xaf0 fs/jfs/namei.c:294 vfs_mkdir+0x40c/0x620 fs/namei.c:5410 filename_mkdirat+0x285/0x510 fs/namei.c:5443 __do_sys_mkdirat fs/namei.c:5464 [inline] __se_sys_mkdirat+0x35/0x150 fs/namei.c:5461 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: 0033:0x7fdce139e159 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:00007fdce22a2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fdce1626090 RCX: 00007fdce139e159 RDX: 0000000000000110 RSI: 0000200000000840 RDI: ffffffffffffff9c RBP: 00007fdce143506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdce1626128 R14: 00007fdce1626090 R15: 00007ffd65167578 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530 Code: e9 cc fe ff ff e8 21 68 53 fe 48 c7 c7 a0 27 4e 8c 48 c7 c6 99 23 4e 8c ba 12 02 00 00 48 c7 c1 e0 27 4e 8c e8 b2 07 b3 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000eaafae0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff88804075e000 RCX: 42a6295d4f504d00 RDX: 0000000000000000 RSI: 8000000000000001 RDI: 0000000000000000 RBP: ffffc900010a9112 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 1ffff92000215227 R13: dffffc0000000000 R14: ffffc900010a9138 R15: 0000000000000004 FS: 00007fdce22a36c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdce22c4008 CR3: 0000000037c6d000 CR4: 0000000000352ef0