syzbot


WARNING in hsr_forward_skb

Status: upstream: reported C repro on 2019/06/12 08:24
Reported-by: syzbot+194a3141c56ae993aa31@syzkaller.appspotmail.com
First crash: 1839d, last: 480d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hsr_forward_skb C done done 1310 1172d 2000d 20/27 fixed on 2021/11/10 00:50
linux-4.19 WARNING in hsr_forward_skb C 363 481d 1902d 0/1 upstream: reported C repro on 2019/04/10 20:50
Fix bisection attempts (10)
Created Duration User Patch Repo Result
2022/11/13 20:26 23m bisect fix linux-4.14.y job log (0) log
2021/11/29 10:09 22m bisect fix linux-4.14.y job log (0) log
2021/10/30 09:41 28m bisect fix linux-4.14.y job log (0) log
2021/09/28 23:15 28m bisect fix linux-4.14.y job log (0) log
2021/08/29 22:49 25m bisect fix linux-4.14.y job log (0) log
2021/07/30 22:23 25m bisect fix linux-4.14.y job log (0) log
2021/06/30 22:02 21m bisect fix linux-4.14.y job log (0) log
2021/05/31 20:02 25m bisect fix linux-4.14.y job log (0) log
2020/08/17 01:30 26m bisect fix linux-4.14.y job log (0) log
2020/05/02 01:14 25m bisect fix linux-4.14.y job log (0) log

Sample crash report:
batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
net/hsr/hsr_forward.c:367: Malformed frame (port_src hsr0)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7977 at net/hsr/hsr_forward.c:366 hsr_forward_skb.cold+0x27/0xef net/hsr/hsr_forward.c:366
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7977 Comm: syz-executor180 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:hsr_forward_skb.cold+0x27/0xef net/hsr/hsr_forward.c:366
RSP: 0018:ffff8880b3037890 EFLAGS: 00010282
RAX: 000000000000003a RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016606f08
RBP: ffff8880b29afd00 R08: 000000000000003a R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b284ac00
R13: ffff888099347800 R14: ffff888099347810 R15: ffff8880b29afdd0
 hsr_dev_xmit+0x6b/0xa0 net/hsr/hsr_device.c:242
 __netdev_start_xmit include/linux/netdevice.h:4054 [inline]
 netdev_start_xmit include/linux/netdevice.h:4063 [inline]
 packet_direct_xmit+0x410/0x610 net/packet/af_packet.c:269
 packet_snd+0x13aa/0x26f0 net/packet/af_packet.c:3031
 packet_sendmsg+0x12ed/0x33a0 net/packet/af_packet.c:3060
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 SYSC_sendto net/socket.c:1763 [inline]
 SyS_sendto+0x1c7/0x2c0 net/socket.c:1731
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f370c9ad509
RSP: 002b:00007ffdbad8b478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffdbad8b498 RCX: 00007f370c9ad509
RDX: 000000000000000e RSI: 0000000020000140 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000020000100 R09: 0000000000000014
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdbad8b4a0
R13: 00007ffdbad8b4c0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (245):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/15 09:19 linux-4.14.y c4215ee4771b b18f0a64 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/13 15:22 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/08/26 22:53 linux-4.14.y e548869f356f e5a303f1 .config console log report syz C ci2-linux-4-14 WARNING in hsr_forward_skb
2022/05/12 09:18 linux-4.14.y e3a56aaade89 beb0b407 .config console log report syz C ci2-linux-4-14 WARNING in hsr_forward_skb
2022/02/04 08:05 linux-4.14.y b86ee2b7ae42 30646bfe .config console log report syz C ci2-linux-4-14 WARNING in hsr_forward_skb
2021/02/20 21:31 linux-4.14.y 29c52025152b 3e5ed8b4 .config console log report syz C ci2-linux-4-14 WARNING in hsr_forward_skb
2020/09/21 23:19 linux-4.14.y cbfa1702aaf6 9e1fa68e .config console log report syz C ci2-linux-4-14
2019/12/19 18:12 linux-4.14.y bfb9e5c03076 36650b4b .config console log report syz C ci2-linux-4-14
2019/06/12 07:57 linux-4.14.y 2bf3258a12af ea2f4006 .config console log report syz C ci2-linux-4-14
2023/03/02 07:13 linux-4.14.y 7878a41b6cc1 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2023/02/15 10:26 linux-4.14.y a8ad60f2af58 e62ba3c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2023/02/13 06:44 linux-4.14.y a8ad60f2af58 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2023/01/27 17:09 linux-4.14.y 3949d1610004 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2023/01/24 17:04 linux-4.14.y 3949d1610004 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2023/01/24 16:57 linux-4.14.y 3949d1610004 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/31 22:23 linux-4.14.y c4215ee4771b ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/27 09:47 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/27 06:02 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/23 20:50 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/22 11:06 linux-4.14.y c4215ee4771b 4067838e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/13 15:10 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/12/09 00:15 linux-4.14.y 65afe34ac33d 1034e5fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/10/14 20:25 linux-4.14.y 9d5c0b3a8e1a 4954e4b2 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/10/13 22:25 linux-4.14.y 9d5c0b3a8e1a adf90437 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/10/09 15:01 linux-4.14.y 9d5c0b3a8e1a aea5da89 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/10/05 19:29 linux-4.14.y 9d5c0b3a8e1a 267e3bb1 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/10/01 11:30 linux-4.14.y 9d5c0b3a8e1a feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/09/20 23:56 linux-4.14.y 4edbf74132a4 c4b8ccfd .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in hsr_forward_skb
2022/09/11 17:49 linux-4.14.y 65640c873dcf 356d8217 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/09/10 12:52 linux-4.14.y 65640c873dcf 356d8217 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/08/26 18:51 linux-4.14.y e548869f356f e5a303f1 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/08/18 07:12 linux-4.14.y b641242202ed a9409d47 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/08/16 16:40 linux-4.14.y b641242202ed 7a7cb304 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/07/20 12:52 linux-4.14.y 424a46ea058e 775344bc .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/07/18 20:57 linux-4.14.y 424a46ea058e ff988920 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/07/07 01:45 linux-4.14.y ed2e96e11936 bff65f44 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/07/03 13:01 linux-4.14.y ed2e96e11936 1434eec0 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/06/25 16:06 linux-4.14.y f051383ef03b a371c43c .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/06/14 00:39 linux-4.14.y b8f3be299d51 0f087040 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/05/30 20:30 linux-4.14.y 501eec4f9e13 af70c3a9 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/05/09 14:57 linux-4.14.y e3a56aaade89 8b277b8e .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/04/25 13:13 linux-4.14.y 15a1c6b6f516 131df97d .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/04/14 06:58 linux-4.14.y 74766a973637 b17b2923 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/04/13 01:46 linux-4.14.y 74766a973637 dacb3f1c .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/04/11 10:06 linux-4.14.y 74766a973637 e22c3da3 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/04/06 05:22 linux-4.14.y 74766a973637 0127c10f .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/26 12:02 linux-4.14.y 004bfaafc45c 89bc8608 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/21 21:02 linux-4.14.y eb045674aab3 e2d91b1d .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/19 05:41 linux-4.14.y eb045674aab3 e2d91b1d .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/16 10:00 linux-4.14.y af48f51cb593 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/16 08:58 linux-4.14.y af48f51cb593 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/15 10:38 linux-4.14.y af48f51cb593 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/10 06:20 linux-4.14.y c9fcc1545c3b 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/09 00:53 linux-4.14.y c9fcc1545c3b 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2022/03/07 03:54 linux-4.14.y e853993d29aa 7bdd8b2c .config console log report info ci2-linux-4-14 WARNING in hsr_forward_skb
2021/01/14 08:43 linux-4.14.y f79dc86058bc 269d24e8 .config console log report info ci2-linux-4-14
* Struck through repros no longer work on HEAD.