syzbot


general protection fault in quarantine_remove_cache (2)

Status: auto-closed as invalid on 2021/08/15 16:36
Reported-by: syzbot+7cb7febc9603f0a16ab3@syzkaller.appspotmail.com
First crash: 672d, last: 445d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 general protection fault in quarantine_remove_cache 1 816d 816d 0/1 auto-closed as invalid on 2020/08/10 13:39
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in quarantine_remove_cache 5 170d 183d 0/1 auto-closed as invalid on 2022/05/18 10:27
linux-4.19 general protection fault in quarantine_remove_cache 1 578d 578d 0/1 auto-closed as invalid on 2021/04/05 09:12
linux-4.19 BUG: unable to handle kernel paging request in quarantine_remove_cache (2) 4 315d 381d 0/1 auto-closed as invalid on 2021/12/23 22:53

Sample crash report:
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
Modules linked in:
CPU: 0 PID: 9268 Comm: kworker/u4:6 Not tainted 4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
task: ffff888099822000 task.stack: ffff888046308000
RIP: 0010:qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275
RSP: 0018:ffff88804630fb38 EFLAGS: 00010002
RAX: ffff88809620d700 RBX: ffff88804630fb70 RCX: ffffea000000439f
RDX: 0000000000001100 RSI: ffff88804630fb70 RDI: ffff88800010c0c0
RBP: ffff88809204e380 R08: ffffffff8b9be708 R09: 00000000000c00ca
R10: ffff888099822978 R11: ffff888099822000 R12: ffffea0000000000
R13: 0777777007777770 R14: ffffffff8bed4ff0 R15: 0777777007777770
FS:  0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe2cbd99b0 CR3: 0000000008e6a000 CR4: 00000000001406f0
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/0x180 net/tipc/server.c:637
 tipc_topsrv_stop net/tipc/subscr.c:390 [inline]
 tipc_topsrv_exit_net+0x168/0x290 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 de 2d a6 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 
RIP: qlist_move_cache+0x67/0xd0 mm/kasan/quarantine.c:275 RSP: ffff88804630fb38
---[ end trace 43b3ca3e9a2dd3c1 ]---

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/04/17 16:35 linux-4.14.y cf256fbcbe34 7e2b734b .config log report info general protection fault in quarantine_remove_cache
ci2-linux-4-14 2021/04/08 20:35 linux-4.14.y 0cc244011f40 6a81331a .config log report info general protection fault in quarantine_remove_cache
ci2-linux-4-14 2020/12/24 15:02 linux-4.14.y 3f2ecb86cb90 c2c1d1dd .config log report info
ci2-linux-4-14 2020/11/07 15:23 linux-4.14.y 6b6446efedb2 cba33199 .config log report info
ci2-linux-4-14 2020/09/03 08:26 linux-4.14.y d7e78d08fa77 abf9ba4f .config log report