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general protection fault in cbs_destroy

Status: auto-obsoleted due to no activity on 2022/09/09 21:20
Reported-by: syzbot+3a8d6a998cbb73bcf337@syzkaller.appspotmail.com
First crash: 2246d, last: 2224d
Cause bisection: introduced by (bisect log) :
commit e0a7683d30e91e30ee6cf96314ae58a0314a095e
Author: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
Date: Mon Apr 8 17:12:18 2019 +0000

  net/sched: cbs: fix port_rate miscalculation

Crash: general protection fault in cbs_destroy (log)
Repro: C syz .config
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
Re: general protection fault in cbs_destroy 1 (1) 2019/09/09 22:23
general protection fault in cbs_destroy 0 (2) 2019/09/08 12:33
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in cbs_destroy 2 C 2836 970d 2103d 0/1 upstream: reported C repro on 2020/01/27 15:08
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2022/09/09 18:27 16m retest repro upstream OK log
2022/09/09 13:27 16m retest repro upstream OK log
2022/09/09 10:27 15m retest repro upstream OK log
2022/09/09 06:27 16m retest repro upstream OK log
2022/09/09 02:27 15m retest repro upstream OK log
2022/09/08 23:27 15m retest repro upstream OK log
2022/09/07 18:27 16m retest repro upstream OK log
2022/09/07 15:27 16m retest repro upstream OK log
2022/09/07 09:27 16m retest repro upstream OK log
2022/09/06 05:27 16m retest repro linux-next OK log

Sample crash report:
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
CPU: 0 PID: 9829 Comm: syz-executor938 Not tainted 5.3.0-rc8+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51
Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d
RSP: 0018:ffff88809689f450 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880921f9680 RCX: ffffffff8159c28a
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880921f99e8
RBP: ffff88809689f468 R08: 0000000000000004 R09: ffffed1012d13e7d
R10: ffffed1012d13e7c R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880921f99e0 R15: ffff8880921f9940
FS:  0000555556e2b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 00000000a1971000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:131 [inline]
 list_del include/linux/list.h:139 [inline]
 cbs_destroy+0x7d/0x2a0 net/sched/sch_cbs.c:435
 qdisc_create+0xbc6/0x1210 net/sched/sch_api.c:1285
 tc_modify_qdisc+0x524/0x1c50 net/sched/sch_api.c:1652
 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5223
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:657
 ___sys_sendmsg+0x803/0x920 net/socket.c:2311
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440c69
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd9e3e6f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004a23f0 RCX: 0000000000440c69
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00000000006cb018 R08: 0000000120080522 R09: 0000000120080522
R10: 0000000120080522 R11: 0000000000000246 R12: 0000000000402170
R13: 0000000000402200 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 58f5f8ce23e586ff ]---
RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51
Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d
RSP: 0018:ffff88809689f450 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880921f9680 RCX: ffffffff8159c28a
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880921f99e8
RBP: ffff88809689f468 R08: 0000000000000004 R09: ffffed1012d13e7d
R10: ffffed1012d13e7c R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880921f99e0 R15: ffff8880921f9940
FS:  0000555556e2b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 00000000a1971000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (700):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/15 22:48 upstream 1609d7604b84 32d59357 .config console log report syz C ci-upstream-kasan-gce-root
2019/09/15 13:10 upstream 1609d7604b84 32d59357 .config console log report syz C ci-upstream-kasan-gce
2019/09/15 02:39 upstream 1609d7604b84 32d59357 .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/09/15 02:21 upstream 1609d7604b84 32d59357 .config console log report syz C ci-upstream-kasan-gce-selinux-root
2019/09/07 09:32 upstream 1e3778cb223e a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 09:00 upstream 1e3778cb223e a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 08:31 upstream 1e3778cb223e a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 06:52 upstream 1e3778cb223e a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 06:21 upstream 1e3778cb223e a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 03:36 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 03:06 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce
2019/09/07 02:50 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-root
2019/09/07 02:23 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-root
2019/09/07 01:56 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-root
2019/09/07 01:29 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-root
2019/09/07 01:10 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/09/07 01:03 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-root
2019/09/06 13:38 upstream 3b47fd5ca9ea 040fda58 .config console log report syz C ci-upstream-kasan-gce-smack-root
2019/09/14 22:56 upstream a7f89616b737 32d59357 .config console log report syz C ci-upstream-kasan-gce-386
2019/09/07 02:34 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-386
2019/09/07 02:04 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-386
2019/09/07 01:29 upstream 044597100037 a60cb4cd .config console log report syz C ci-upstream-kasan-gce-386
2019/09/07 14:21 net-old 0c04eb72d332 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 13:56 net-old 0c04eb72d332 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 13:31 net-old 0c04eb72d332 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 13:04 net-old 0c04eb72d332 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 06:40 net-old 74346c434cd2 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 06:13 net-old 74346c434cd2 a60cb4cd .config console log report syz C ci-upstream-net-this-kasan-gce
2019/09/07 09:37 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 09:09 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 08:42 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 08:13 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 06:30 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 06:02 net-next-old 1e46c09ec100 a60cb4cd .config console log report syz C ci-upstream-net-kasan-gce
2019/09/07 17:51 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 17:26 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 16:59 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 16:34 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 02:41 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 02:14 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/07 01:48 linux-next 6d028043b55e a60cb4cd .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/09/29 03:53 upstream f1f2f614d535 eb6b9855 .config console log report ci-upstream-kasan-gce
2019/09/29 02:26 upstream f1f2f614d535 eb6b9855 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/28 03:54 upstream 8f744bdee4fe d8074e0b .config console log report ci-upstream-kasan-gce-smack-root
2019/09/27 20:46 upstream da05b5ea12c1 d8074e0b .config console log report ci-upstream-kasan-gce-root
2019/09/27 18:06 upstream da05b5ea12c1 d8074e0b .config console log report ci-upstream-kasan-gce
2019/09/27 03:49 upstream cbafe18c7102 2f1548bc .config console log report ci-upstream-kasan-gce-smack-root
2019/09/27 03:11 upstream cbafe18c7102 2f1548bc .config console log report ci-upstream-kasan-gce-root
2019/09/26 16:56 upstream f41def397161 24d405a3 .config console log report ci-upstream-kasan-gce-root
2019/09/26 15:20 upstream f41def397161 24d405a3 .config console log report ci-upstream-kasan-gce-root
2019/09/26 12:17 upstream f41def397161 24d405a3 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/26 11:01 upstream f41def397161 24d405a3 .config console log report ci-upstream-kasan-gce
2019/09/26 08:48 upstream f41def397161 24d405a3 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/25 12:20 upstream 351c8a09b00b e38a6630 .config console log report ci-upstream-kasan-gce-root
2019/09/25 09:12 upstream 351c8a09b00b e38a6630 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/25 06:26 upstream 351c8a09b00b e38a6630 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/24 23:35 upstream 4c07e2ddab5b 0942eab8 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/24 11:05 upstream e94f8ccde471 c68252d2 .config console log report ci-upstream-kasan-gce-selinux-root
2019/09/24 09:58 upstream e94f8ccde471 c68252d2 .config console log report ci-upstream-kasan-gce
2019/09/24 03:45 upstream e94f8ccde471 c68252d2 .config console log report ci-upstream-kasan-gce-smack-root
2019/09/28 05:02 upstream 8f744bdee4fe d8074e0b .config console log report ci-upstream-kasan-gce-386
2019/09/27 04:58 upstream cbafe18c7102 2f1548bc .config console log report ci-upstream-kasan-gce-386
2019/09/26 00:36 net-old 9f5c44cf61a7 a3355dba .config console log report ci-upstream-net-this-kasan-gce
2019/09/25 06:13 net-old 5aafeb74b5bb e38a6630 .config console log report ci-upstream-net-this-kasan-gce
2019/09/24 20:51 net-old 5aafeb74b5bb 0942eab8 .config console log report ci-upstream-net-this-kasan-gce
2019/09/24 16:55 net-old 5aafeb74b5bb 0942eab8 .config console log report ci-upstream-net-this-kasan-gce
2019/09/24 14:30 net-old 34b4688425d9 0942eab8 .config console log report ci-upstream-net-this-kasan-gce
2019/09/24 07:22 net-old 34b4688425d9 c68252d2 .config console log report ci-upstream-net-this-kasan-gce
2019/09/23 17:14 net-old 34b4688425d9 1e9788a0 .config console log report ci-upstream-net-this-kasan-gce
2019/09/23 12:23 net-old 34b4688425d9 d96e88f3 .config console log report ci-upstream-net-this-kasan-gce
2019/09/23 02:54 net-old 24ccb0ab95bf d96e88f3 .config console log report ci-upstream-net-this-kasan-gce
2019/09/28 18:02 net-next-old b41dae061bbd eb6b9855 .config console log report ci-upstream-net-kasan-gce
2019/09/28 12:42 net-next-old b41dae061bbd eb6b9855 .config console log report ci-upstream-net-kasan-gce
2019/09/28 11:15 net-next-old b41dae061bbd d8074e0b .config console log report ci-upstream-net-kasan-gce
2019/09/28 09:22 net-next-old b41dae061bbd d8074e0b .config console log report ci-upstream-net-kasan-gce
2019/09/28 07:39 net-next-old b41dae061bbd d8074e0b .config console log report ci-upstream-net-kasan-gce
2019/09/28 06:12 net-next-old b41dae061bbd d8074e0b .config console log report ci-upstream-net-kasan-gce
2019/09/27 22:28 net-next-old b41dae061bbd d8074e0b .config console log report ci-upstream-net-kasan-gce
2019/09/27 10:20 net-next-old b41dae061bbd 2f1548bc .config console log report ci-upstream-net-kasan-gce
2019/09/27 06:17 net-next-old b41dae061bbd 2f1548bc .config console log report ci-upstream-net-kasan-gce
2019/09/26 23:30 net-next-old b41dae061bbd 2f1548bc .config console log report ci-upstream-net-kasan-gce
2019/09/26 14:03 net-next-old b41dae061bbd 24d405a3 .config console log report ci-upstream-net-kasan-gce
2019/09/26 02:25 net-next-old b41dae061bbd a3355dba .config console log report ci-upstream-net-kasan-gce
2019/09/25 23:19 net-next-old b41dae061bbd a3355dba .config console log report ci-upstream-net-kasan-gce
2019/09/25 10:18 net-next-old b41dae061bbd e38a6630 .config console log report ci-upstream-net-kasan-gce
2019/09/24 13:28 net-next-old b41dae061bbd c68252d2 .config console log report ci-upstream-net-kasan-gce
2019/09/24 00:57 net-next-old b41dae061bbd 1e9788a0 .config console log report ci-upstream-net-kasan-gce
2019/09/23 22:20 net-next-old b41dae061bbd 1e9788a0 .config console log report ci-upstream-net-kasan-gce
2019/09/23 09:27 net-next-old b41dae061bbd d96e88f3 .config console log report ci-upstream-net-kasan-gce
2019/09/23 08:18 net-next-old b41dae061bbd d96e88f3 .config console log report ci-upstream-net-kasan-gce
2019/09/23 06:07 net-next-old b41dae061bbd d96e88f3 .config console log report ci-upstream-net-kasan-gce
2019/09/23 01:29 net-next-old b41dae061bbd d96e88f3 .config console log report ci-upstream-net-kasan-gce
2019/09/23 00:02 net-next-old b41dae061bbd d96e88f3 .config console log report ci-upstream-net-kasan-gce
2019/09/25 11:19 linux-next 9e88347dedd8 e38a6630 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.