BUG: unable to handle kernel paging request in quarantine_remove_cache

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 4abf2685 Linux 4.19.162
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11bfe937500000
kernel config: https://syzkaller.appspot.com/x/.config?x=38565839aa6b0d25
dashboard link: https://syzkaller.appspot.com/bug?extid=d6b8932d12690f43eb56
compiler: gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d6b893...@syzkaller.appspotmail.com

BUG: unable to handle kernel paging request at 0000000707070000
PGD b15d7067 P4D b15d7067 PUD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23405 Comm: syz-executor.4 Not tainted 4.19.162-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 7e 3f 91 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 e0
RSP: 0018:ffff888039fcf920 EFLAGS: 00010006
RAX: ffff88809a815300 RBX: ffff888039fcf958 RCX: ffffea0000001c07
RDX: 0000000000001100 RSI: ffffffff812c4f2a RDI: 0000000000000007
RBP: ffff8880a50579c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000
R13: 0000000707070000 R14: ffffffff8d251b68 R15: 0000000707070000
FS: 00007f3dc2e81700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000707070000 CR3: 000000004ebaf000 CR4: 00000000001426f0
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:570
kmem_cache_destroy+0x25a/0x2e0 mm/slab_common.c:925
destroy_ai+0x8c5/0xd80 drivers/mtd/ubi/attach.c:1372
ubi_attach+0x1467/0x48d7 drivers/mtd/ubi/attach.c:1658
ubi_attach_mtd_dev+0x11bf/0x3150 drivers/mtd/ubi/build.c:959
ctrl_cdev_ioctl+0x2f2/0x390 drivers/mtd/ubi/cdev.c:1026
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e159
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3dc2e80c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e159
RDX: 000000000076006e RSI: 0000000040186f40 RDI: 0000000000000005
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fffd2884edf R14: 00007f3dc2e819c0 R15: 000000000119bf8c
Modules linked in:
CR2: 0000000707070000
---[ end trace f4982f7df95fea84 ]---
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 7e 3f 91 ff 48 c1 e8 0c 48 c1 e0 06 4c 01 e0
RSP: 0018:ffff888039fcf920 EFLAGS: 00010006
RAX: ffff88809a815300 RBX: ffff888039fcf958 RCX: ffffea0000001c07
RDX: 0000000000001100 RSI: ffffffff812c4f2a RDI: 0000000000000007
RBP: ffff8880a50579c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000000000
R13: 0000000707070000 R14: ffffffff8d251b68 R15: 0000000707070000
FS: 00007f3dc2e81700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000707070000 CR3: 000000004ebaf000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.