syzbot


kernel BUG in add_grec (2)

Status: premoderation: reported on 2022/03/29 11:58
Reported-by: syzbot+877894b308ec801bc83d@syzkaller.appspotmail.com
First crash: 89d, last: 8h12m
similar bugs (16):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 kernel BUG in add_grec C error 83 90d 163d 2/3 fixed on 2022/03/29 10:01
android-54 kernel BUG at net/core/skbuff.c:LINE! C 199 2d06h 896d 0/2 upstream: reported C repro on 2020/01/12 09:43
android-5-10 kernel BUG in cdc_ncm_fill_tx_frame C error 40 182d 247d 1/3 fixed on 2021/12/29 12:20
android-44 kernel BUG at net/core/skbuff.c:LINE! C 79 946d 1172d 0/2 public: reported C repro on 2019/04/11 08:44
linux-4.19 kernel BUG at net/core/skbuff.c:LINE! C unreliable 493 12d 1155d 0/1 upstream: reported C repro on 2019/04/27 20:12
android-54 kernel BUG in pfkey_send_acquire syz 32 497d 525d 0/2 upstream: reported syz repro on 2021/01/17 15:19
upstream kernel BUG at net/core/skbuff.c:LINE! (2) C 562 1611d 1700d 4/22 fixed on 2018/01/29 03:39
android-414 kernel BUG at net/core/skbuff.c:LINE! C 2743 935d 1172d 0/1 public: reported C repro on 2019/04/11 00:00
upstream kernel BUG in netem_enqueue 2 16d 53d 21/22 internal: reported on 2022/05/04 17:12
upstream kernel BUG at net/core/skbuff.c:LINE! (3) C done 4399 489d 1605d 21/22 fixed on 2021/03/10 01:48
upstream kernel BUG at net/core/skbuff.c:LINE! 5 1706d 1776d 3/22 fixed on 2017/10/27 10:10
linux-4.19 kernel BUG in pfkey_send_acquire C done 56 495d 525d 1/1 fixed on 2021/03/18 08:30
linux-4.14 kernel BUG at net/core/skbuff.c:LINE! C 2862 1d02h 1171d 0/1 upstream: reported C repro on 2019/04/12 15:43
upstream kernel BUG in llc_sap_action_send_xid_c C error 61 229d 442d 22/22 fixed on 2021/11/10 00:50
upstream kernel BUG in pskb_expand_head C done 224 22h45m 223d 20/22 upstream: reported C repro on 2021/11/15 08:38
android-49 kernel BUG at net/core/skbuff.c:LINE! C 391 935d 1171d 0/3 public: reported C repro on 2019/04/12 00:00

Sample crash report:
skbuff: skb_over_panic: text:ffffffff84307823 len:76 put:20 head:ffff8881631c6c00 data:ffff8881631c6c40 tail:0x8c end:0x80 dev:syztnl1
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:110!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2513 Comm: kworker/1:161 Not tainted 5.10.118-syzkaller-00106-g73c2a811f6d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:106
Code: c7 40 f5 78 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 05 c2 d0 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c
RSP: 0018:ffffc9000624f8d0 EFLAGS: 00010282

RAX: 0000000000000086 RBX: ffff88811aa92000 RCX: e5a9c04a692b9300
RDX: 0000000000000000 RSI: 0000000000000402 RDI: 0000000000000000
RBP: ffffc9000624f918 R08: ffffffff8153a958 R09: fffff52000c49e3d
R10: fffff52000c49e3d R11: 1ffff92000c49e3c R12: ffff8881631c6c40
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555686b38 CR3: 000000015b54c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_over_panic net/core/skbuff.c:115 [inline]
 skb_put+0x153/0x210 net/core/skbuff.c:1877
 add_grhead net/ipv6/mcast.c:1711 [inline]
 add_grec+0xf73/0x13d0 net/ipv6/mcast.c:1838
 mld_send_initial_cr+0x1f8/0x2c0 net/ipv6/mcast.c:2088
 ipv6_mc_dad_complete+0x70/0x3b0 net/ipv6/mcast.c:2100
 addrconf_dad_completed+0x66c/0xdd0 net/ipv6/addrconf.c:4221
 addrconf_dad_work+0xd72/0x15d0 net/ipv6/addrconf.c:4006
 process_one_work+0x726/0xc10 kernel/workqueue.c:2296
 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace 77d8394e69b055b5 ]---
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:106
Code: c7 40 f5 78 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 05 c2 d0 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c
RSP: 0018:ffffc9000624f8d0 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff88811aa92000 RCX: e5a9c04a692b9300
RDX: 0000000000000000 RSI: 0000000000000402 RDI: 0000000000000000
RBP: ffffc9000624f918 R08: ffffffff8153a958 R09: fffff52000c49e3d
R10: fffff52000c49e3d R11: 1ffff92000c49e3c R12: ffff8881631c6c40
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555686b38 CR3: 000000015b54c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (343):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-10 2022/06/26 09:29 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/26 03:40 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/25 11:37 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/25 05:42 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/24 22:59 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/24 14:49 android12-5.10-lts 73c2a811f6d1 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/24 12:33 android12-5.10-lts fdd06dc6b0f8 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/24 11:22 android12-5.10-lts fdd06dc6b0f8 a371c43c .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/23 08:26 android12-5.10-lts fdd06dc6b0f8 912f5df7 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/22 17:21 android12-5.10-lts fdd06dc6b0f8 912f5df7 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/22 13:57 android12-5.10-lts fdd06dc6b0f8 0fc5c330 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/21 23:26 android12-5.10-lts fdd06dc6b0f8 0fc5c330 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/21 20:48 android12-5.10-lts fdd06dc6b0f8 0fc5c330 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/21 17:29 android12-5.10-lts fdd06dc6b0f8 0fc5c330 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/21 04:33 android12-5.10-lts fdd06dc6b0f8 0fc5c330 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/20 00:59 android12-5.10-lts fdd06dc6b0f8 8f633d84 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/19 14:21 android12-5.10-lts fdd06dc6b0f8 8f633d84 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/19 11:11 android12-5.10-lts fdd06dc6b0f8 8f633d84 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/19 08:29 android12-5.10-lts fdd06dc6b0f8 8f633d84 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/19 00:07 android12-5.10-lts fdd06dc6b0f8 8f633d84 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/16 20:55 android12-5.10-lts fdd06dc6b0f8 1719ee24 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/16 12:03 android12-5.10-lts fdd06dc6b0f8 1719ee24 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/16 04:25 android12-5.10-lts fdd06dc6b0f8 1719ee24 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/15 11:52 android12-5.10-lts fdd06dc6b0f8 1719ee24 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/14 22:22 android12-5.10-lts fdd06dc6b0f8 127d1faf .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/14 13:41 android12-5.10-lts fdd06dc6b0f8 127d1faf .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/14 00:31 android12-5.10-lts fdd06dc6b0f8 0f087040 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/13 17:46 android12-5.10-lts fdd06dc6b0f8 0f087040 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/13 08:58 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/13 00:09 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/12 22:03 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 23:01 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 18:54 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 17:29 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 11:17 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 08:29 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/11 06:46 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 21:06 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 18:11 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 16:52 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 12:03 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 10:36 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 08:51 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/06/10 02:45 android12-5.10-lts fdd06dc6b0f8 0d5abf15 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/03/29 11:57 android12-5.10-lts 414e6c8e941c 6bdac766 .config log report info kernel BUG in add_grec
ci2-android-5-10 2022/05/16 18:09 android12-5.10-lts 0577ff1c6970 744a39e2 .config log report info kernel BUG in mld_newpack
ci2-android-5-10 2022/05/12 19:12 android12-5.10-lts f64cd19a00c1 9ad6612a .config log report info kernel BUG in cdc_ncm_fill_tx_frame
ci2-android-5-10 2022/04/19 11:59 android12-5.10-lts 414e6c8e941c c334415e .config log report info kernel BUG in icmp_glue_bits