syzbot


kernel BUG at include/linux/skbuff.h:LINE!

Status: upstream: reported C repro on 2021/01/06 05:53
Reported-by: syzbot+18efe83d139c3ace5c78@syzkaller.appspotmail.com
First crash: 1152d, last: 365d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 kernel BUG at include/linux/skbuff.h:LINE! C 3 2195d 2199d 0/2 closed as invalid on 2019/04/03 06:33
upstream kernel BUG at include/linux/skbuff.h:LINE! net 3 2050d 2058d 11/26 fixed on 2018/10/31 02:03
upstream kernel BUG in __skb_gso_segment net C done 11 640d 638d 22/26 fixed on 2023/02/24 13:50
upstream kernel BUG at include/linux/skbuff.h:LINE! (2) sctp C done 58 1651d 1661d 13/26 fixed on 2019/10/15 23:40
Fix bisection attempts (12)
Created Duration User Patch Repo Result
2023/03/04 01:06 29m bisect fix linux-4.14.y job log (0) log
2021/12/06 08:41 29m bisect fix linux-4.14.y job log (0) log
2021/11/06 08:13 23m bisect fix linux-4.14.y job log (0) log
2021/08/21 00:35 22m bisect fix linux-4.14.y job log (0) log
2021/07/22 00:12 22m bisect fix linux-4.14.y job log (0) log
2021/06/21 23:43 27m bisect fix linux-4.14.y job log (0) log
2021/05/22 06:57 27m bisect fix linux-4.14.y job log (0) log
2021/04/22 06:07 21m bisect fix linux-4.14.y job log (0) log
2021/03/23 05:46 21m bisect fix linux-4.14.y job log (0) log
2021/02/21 05:25 20m bisect fix linux-4.14.y job log (0) log
2021/02/18 02:21 38m bisect fix linux-4.14.y error job log (0)
2021/02/05 06:00 1m bisect fix linux-4.14.y error job log (0)

Sample crash report:
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
------------[ cut here ]------------
kernel BUG at include/linux/skbuff.h:2150!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7992 Comm: syz-executor219 Not tainted 4.14.300-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
task: ffff8880987e0240 task.stack: ffff888095a48000
RIP: 0010:__skb_pull include/linux/skbuff.h:2150 [inline]
RIP: 0010:skb_pull_inline include/linux/skbuff.h:2156 [inline]
RIP: 0010:skb_pull net/core/skbuff.c:1745 [inline]
RIP: 0010:skb_pull+0xe1/0x100 net/core/skbuff.c:1743
RSP: 0018:ffff888095a4f5d8 EFLAGS: 00010297
RAX: ffff8880987e0240 RBX: ffff8880aabcd200 RCX: 00000000000000a0
RDX: 0000000000000000 RSI: 0000000000000018 RDI: ffff8880aabcd284
RBP: 0000000000000018 R08: ffffffff85c49f9c R09: 00000000000202b3
R10: ffff8880987e0ac8 R11: ffff8880987e0240 R12: 0000000000001fde
R13: ffff8880aabcd2d8 R14: ffff8880aabcd2d0 R15: ffff8880abe2e0a0
FS:  0000555555a8a300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000000a633e000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ipgre_xmit+0x26f/0x780 net/ipv4/ip_gre.c:658
 __netdev_start_xmit include/linux/netdevice.h:4054 [inline]
 netdev_start_xmit include/linux/netdevice.h:4063 [inline]
 xmit_one net/core/dev.c:3005 [inline]
 dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021
 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521
 packet_snd+0x13aa/0x26f0 net/packet/af_packet.c:3032
 packet_sendmsg+0x12ed/0x33a0 net/packet/af_packet.c:3061
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
Code: 00 00 4c 89 a3 d8 00 00 00 e8 2c 0e 96 fb 4c 89 e0 5b 5d 41 5c c3 e8 1f 0e 96 fb 45 31 e4 5b 4c 89 e0 5d 41 5c c3 e8 0f 0e 96 fb <0f> 0b e8 58 cb bf fb e9 49 ff ff ff e8 4e cb bf fb eb 8e e8 b7 
RIP: __skb_pull include/linux/skbuff.h:2150 [inline] RSP: ffff888095a4f5d8
RIP: skb_pull_inline include/linux/skbuff.h:2156 [inline] RSP: ffff888095a4f5d8
RIP: skb_pull net/core/skbuff.c:1745 [inline] RSP: ffff888095a4f5d8
RIP: skb_pull+0xe1/0x100 net/core/skbuff.c:1743 RSP: ffff888095a4f5d8
---[ end trace a05b3feafcd2d0df ]---

Crashes (184):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/07 10:18 linux-4.14.y 179ef7fe8677 d88f3abb .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/08/28 23:27 linux-4.14.y e548869f356f 07177916 .config console log report syz C ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/05/11 22:36 linux-4.14.y e3a56aaade89 beb0b407 .config console log report syz C ci2-linux-4-14 kernel BUG in ipgre_xmit
2021/01/06 05:52 linux-4.14.y 1752938529c6 b1c228e1 .config console log report syz C ci2-linux-4-14
2023/02/01 22:20 linux-4.14.y 3949d1610004 9a6f477c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/25 02:15 linux-4.14.y 3949d1610004 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/14 19:49 linux-4.14.y c4215ee4771b a63719e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/14 00:14 linux-4.14.y c4215ee4771b 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/12 08:05 linux-4.14.y c4215ee4771b 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/12 02:45 linux-4.14.y c4215ee4771b 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2023/01/10 13:07 linux-4.14.y c4215ee4771b 48bc529a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/12/18 05:13 linux-4.14.y c4215ee4771b 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/12/16 02:11 linux-4.14.y c4215ee4771b 6f9c033e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/12/13 09:14 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/12/13 07:19 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/12/07 09:52 linux-4.14.y 179ef7fe8677 d88f3abb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/20 17:52 linux-4.14.y e911713e40ca 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/13 12:01 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/13 08:12 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/13 05:36 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/12 06:12 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/11 21:19 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/11 20:18 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/11 19:43 linux-4.14.y e911713e40ca f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/09 22:33 linux-4.14.y a901bb6c7db7 bebca8b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/09 21:32 linux-4.14.y a901bb6c7db7 bebca8b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/09 19:47 linux-4.14.y a901bb6c7db7 bebca8b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/08 10:18 linux-4.14.y a901bb6c7db7 6feb842b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/07 21:51 linux-4.14.y a901bb6c7db7 a779b11a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/06 04:51 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/06 04:40 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/06 00:40 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/05 08:48 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/05 01:25 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/04 12:54 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/03 13:25 linux-4.14.y a85772d7ba90 7a2ebf95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/03 12:18 linux-4.14.y a85772d7ba90 7a2ebf95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/03 02:53 linux-4.14.y a85772d7ba90 08977f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/11/03 02:51 linux-4.14.y a85772d7ba90 08977f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/31 16:07 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/29 19:45 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/29 07:18 linux-4.14.y 41f36d7859a7 899d812a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/28 19:20 linux-4.14.y 41f36d7859a7 8168b69e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/27 20:54 linux-4.14.y 41f36d7859a7 5c716ff6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/25 13:14 linux-4.14.y 9d5c0b3a8e1a 45645420 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/23 20:20 linux-4.14.y 9d5c0b3a8e1a 23bf86af .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/23 19:05 linux-4.14.y 9d5c0b3a8e1a 23bf86af .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/23 18:02 linux-4.14.y 9d5c0b3a8e1a 23bf86af .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in ipgre_xmit
2022/10/21 06:25 linux-4.14.y 9d5c0b3a8e1a a0fd4dab .config console log report info [disk image] [vmlinux] ci2-linux-4-14 kernel BUG in ipgre_xmit
* Struck through repros no longer work on HEAD.