ipt_CLUSTERIP: Please specify destination IP ipt_CLUSTERIP: Please specify destination IP ipt_CLUSTERIP: Please specify destination IP 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: 13527 Comm: syz-executor.1 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 ipt_CLUSTERIP: Please specify destination IP RSP: 0018:ffff88808bbbfb20 EFLAGS: 00010002 RAX: ffff8880a8d83508 RBX: ffff88808bbbfb58 RCX: ffffea0001489a87 RDX: 00000000000005c0 RSI: ffffffff812b5eca RDI: 0000000000000007 RBP: ffff8880a462a200 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000 R13: 0770007707000770 R14: ffff8880ba128700 R15: 0770007707000770 FS: 0000555556ee2400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffceebecec8 CR3: 00000000b2d66000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: per_cpu_remove_cache+0x57/0x80 mm/kasan/quarantine.c:294 ipt_CLUSTERIP: Please specify destination IP on_each_cpu+0xed/0x240 kernel/smp.c:604 quarantine_remove_cache+0x50/0x100 mm/kasan/quarantine.c:311 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 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1530792f57 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffceebed608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1530792f57 RDX: 00007ffceebed6da RSI: 000000000000000a RDI: 00007ffceebed6d0 RBP: 00007ffceebed6d0 R08: 00000000ffffffff R09: 00007ffceebed4a0 R10: 0000555556ee3903 R11: 0000000000000246 R12: 00007f15307eb105 R13: 00007ffceebee790 R14: 0000555556ee3810 R15: 00007ffceebee7d0 Modules linked in: ---[ end trace 539499aa7845e600 ]--- BUG: unable to handle kernel paging request at ffff887ffffffe90 RIP: 0010:qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275 PGD 0 P4D 0 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 Oops: 0000 [#2] PREEMPT SMP KASAN RSP: 0018:ffff88808bbbfb20 EFLAGS: 00010002 CPU: 0 PID: 19685 Comm: syz-executor.5 Tainted: G D 4.19.211-syzkaller #0 RAX: ffff8880a8d83508 RBX: ffff88808bbbfb58 RCX: ffffea0001489a87 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RDX: 00000000000005c0 RSI: ffffffff812b5eca RDI: 0000000000000007 RIP: 0010:mm_update_next_owner+0x444/0x650 kernel/exit.c:453 RBP: ffff8880a462a200 R08: 0000000000000001 R09: 0000000000000000 Code: 70 fa ff ff 49 39 c5 0f 84 df fe ff ff e8 34 c7 29 00 4c 8d 85 20 04 00 00 4c 89 c0 48 c1 e8 03 80 3c 18 00 0f 85 18 01 00 00 <4c> 8b bd 20 04 00 00 4d 39 e7 75 95 e9 12 fd ff ff e8 06 c7 29 00 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000 RSP: 0018:ffff88804e56fa98 EFLAGS: 00010246 R13: 0770007707000770 R14: ffff8880ba128700 R15: 0770007707000770 RAX: 1ffff10fffffffd2 RBX: dffffc0000000000 RCX: ffffffff8138bd9e FS: 0000555556ee2400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 RDX: 0000000000000000 RSI: ffffffff8138be3c RDI: ffff8880584e27c0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff887ffffffa70 R08: ffff887ffffffe90 R09: 0000000000000000 CR2: 00007ffceebecec8 CR3: 00000000b2d66000 CR4: 00000000003406e0 R10: 0000000000000005 R11: 00000000dea84eb1 R12: ffff88804c682b80 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 R13: ffff888000191450 R14: ffff888095d50640 R15: ffff88804743f740 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 ---------------- 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