syzbot


BUG: unable to handle kernel paging request in quarantine_remove_cache (2)

Status: auto-closed as invalid on 2021/04/24 11:49
Reported-by: syzbot+0b9b28971b405827e600@syzkaller.appspotmail.com
First crash: 546d, last: 546d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: unable to handle kernel paging request in quarantine_remove_cache 2 761d 767d 0/1 auto-closed as invalid on 2020/09/21 13:58
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in quarantine_remove_cache 5 157d 170d 0/1 auto-closed as invalid on 2022/05/18 10:27
linux-4.19 BUG: unable to handle kernel paging request in quarantine_remove_cache 2 542d 561d 0/1 auto-closed as invalid on 2021/04/28 15:13
linux-4.19 BUG: unable to handle kernel paging request in quarantine_remove_cache (2) 4 302d 368d 0/1 auto-closed as invalid on 2021/12/23 22:53

Sample crash report:
BUG: unable to handle kernel paging request at 0000070707000707
IP: qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 138 Comm: kworker/u4:3 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
task: ffff8880b5218000 task.stack: ffff8880b5220000
RIP: 0010:qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275
RSP: 0018:ffff8880b5227b38 EFLAGS: 00010002
RAX: ffff8880000623c0 RBX: ffff8880b5227b70 RCX: ffffea000000189f
RDX: 0000000000001100 RSI: ffff8880b5227b70 RDI: ffff888000124400
RBP: ffff888057a45800 R08: ffffffff8b9b1d60 R09: 00000000000c00ca
R10: ffff8880b5218978 R11: ffff8880b5218000 R12: ffffea0000000000
R13: 0000070707000707 R14: ffffffff8becba90 R15: 0000070707000707
FS:  0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000070707000707 CR3: 00000000a9bc3000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 quarantine_remove_cache+0x63/0xd0 mm/kasan/quarantine.c:317
 shutdown_cache+0xe/0x1e0 mm/slab_common.c:540
 kmem_cache_destroy+0x1d2/0x240 mm/slab_common.c:842
 tipc_server_stop+0x13a/0x171 net/tipc/server.c:637
 tipc_topsrv_stop net/tipc/subscr.c:390 [inline]
 tipc_topsrv_exit_net+0x168/0x28a net/tipc/subscr.c:402
 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:142
 cleanup_net+0x3b3/0x840 net/core/net_namespace.c:484
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 00 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 0e be a4 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 
RIP: qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275 RSP: ffff8880b5227b38
CR2: 0000070707000707
---[ end trace de0785436ec911b2 ]---

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/12/25 11:49 linux-4.14.y 3f2ecb86cb90 b982b3ea .config log report info