IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 21815 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275 Code: 00 00 00 eb 22 49 83 3e 00 74 7d 49 8b 46 08 4c 89 28 4d 89 6e 08 49 c7 45 00 00 00 00 00 49 01 56 10 4d 85 ff 74 56 4d 89 fd <4d> 8b 3f 4c 89 ef e8 ce ea 92 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 e0 RSP: 0018:ffff888047c5fa58 EFLAGS: 00010002 RAX: ffff8880b3793040 RBX: ffff888047c5fa90 RCX: ffffea0000005880 RDX: 0000000000000880 RSI: ffffffff812b5eca RDI: 0000000000000007 RBP: ffff8880a4760540 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000 R13: 0770077000000770 R14: ffffffff8d25b8c8 R15: 0770077000000770 FS: 00007f1eeaa02700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00fed2a718 CR3: 00000000532b4000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: quarantine_remove_cache+0x73/0x100 mm/kasan/quarantine.c:317 shutdown_cache+0xe/0x1e0 mm/slab_common.c:562 kmem_cache_destroy+0x267/0x310 mm/slab_common.c:927 p9_client_destroy+0x250/0x360 net/9p/client.c:1112 v9fs_session_close+0x45/0x2c0 fs/9p/v9fs.c:513 v9fs_kill_super+0x49/0x90 fs/9p/vfs_super.c:233 deactivate_locked_super+0x94/0x160 fs/super.c:329 v9fs_mount+0x632/0x910 fs/9p/vfs_super.c:214 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1eec08ce99 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1eeaa02168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1eec19ff60 RCX: 00007f1eec08ce99 RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f1eec0e6ff1 R08: 0000000020000300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd5b8d37f R14: 00007f1eeaa02300 R15: 0000000000022000 Modules linked in: ---[ end trace 90b373890a44863d ]--- RIP: 0010:qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275 Code: 00 00 00 eb 22 49 83 3e 00 74 7d 49 8b 46 08 4c 89 28 4d 89 6e 08 49 c7 45 00 00 00 00 00 49 01 56 10 4d 85 ff 74 56 4d 89 fd <4d> 8b 3f 4c 89 ef e8 ce ea 92 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 e0 RSP: 0018:ffff888047c5fa58 EFLAGS: 00010002 RAX: ffff8880b3793040 RBX: ffff888047c5fa90 RCX: ffffea0000005880 RDX: 0000000000000880 RSI: ffffffff812b5eca RDI: 0000000000000007 RBP: ffff8880a4760540 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000 R13: 0770077000000770 R14: ffffffff8d25b8c8 R15: 0770077000000770 FS: 00007f1eeaa02700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00fed2a718 CR3: 00000000532b4000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 eb add %ch,%bl 4: 22 49 83 and -0x7d(%rcx),%cl 7: 3e 00 74 7d 49 add %dh,%ds:0x49(%rbp,%rdi,2) c: 8b 46 08 mov 0x8(%rsi),%eax f: 4c 89 28 mov %r13,(%rax) 12: 4d 89 6e 08 mov %r13,0x8(%r14) 16: 49 c7 45 00 00 00 00 movq $0x0,0x0(%r13) 1d: 00 1e: 49 01 56 10 add %rdx,0x10(%r14) 22: 4d 85 ff test %r15,%r15 25: 74 56 je 0x7d 27: 4d 89 fd mov %r15,%r13 * 2a: 4d 8b 3f mov (%r15),%r15 <-- trapping instruction 2d: 4c 89 ef mov %r13,%rdi 30: e8 ce ea 92 ff callq 0xff92eb03 35: 48 c1 e8 0c shr $0xc,%rax 39: 48 c1 e0 06 shl $0x6,%rax 3d: 4c 01 e0 add %r12,%rax