general protection fault in per_cpu_remove_cache
5 views
Skip to first unread message
syzbot
Nov 21, 2021, 9:37:20 AM11/21/21
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11e05d01b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=b99bcfbdcc1de7c33ff4
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
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+b99bcf...@syzkaller.appspotmail.com
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
---
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 found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11e05d01b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=b99bcfbdcc1de7c33ff4
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
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+b99bcf...@syzkaller.appspotmail.com
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
---
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
Mar 21, 2022, 10:37:17 AM3/21/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
Reply all
Reply to author
Forward
0 new messages