syzbot


WARNING in __dev_queue_xmit (3)

Status: auto-obsoleted due to no activity on 2023/11/09 02:33
Subsystems: net
[Documentation on labels]
First crash: 348d, last: 325d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: the issue occurs on the latest tested release (bisect log)
  
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __dev_queue_xmit C done 16774 459d 673d 22/26 fixed on 2023/02/24 14:17
upstream WARNING in __dev_queue_xmit (2) net C 76 387d 459d 22/26 fixed on 2023/06/08 14:41
Last patch testing requests (3)
Created Duration User Patch Repo Result
2023/10/23 03:39 31m retest repro upstream OK log
2023/08/26 10:26 27m retest repro net OK log
2023/08/26 10:26 29m retest repro net-next OK log

Sample crash report:
------------[ cut here ]------------
skb_assert_len
WARNING: CPU: 0 PID: 5069 at include/linux/skbuff.h:2562 skb_assert_len include/linux/skbuff.h:2562 [inline]
WARNING: CPU: 0 PID: 5069 at include/linux/skbuff.h:2562 __dev_queue_xmit+0x2325/0x3b10 net/core/dev.c:4159
Modules linked in:
CPU: 0 PID: 5069 Comm: syz-executor648 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:skb_assert_len include/linux/skbuff.h:2562 [inline]
RIP: 0010:__dev_queue_xmit+0x2325/0x3b10 net/core/dev.c:4159
Code: 89 de e8 2e 6a 74 f9 84 db 75 21 e8 45 6e 74 f9 48 c7 c6 e0 82 5e 8b 48 c7 c7 c0 54 5e 8b c6 05 51 02 55 06 01 e8 4b 29 3c f9 <0f> 0b e8 24 6e 74 f9 0f b6 1d 3d 02 55 06 31 ff 89 de e8 f4 69 74
RSP: 0018:ffffc90003d8f7b0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88807e168000 RSI: ffffffff814c03b7 RDI: 0000000000000001
RBP: ffff88801e129a00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e129a70
R13: ffff88801e129ad8 R14: ffff88801e129a10 R15: 0000000000000000
FS:  000055555580b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000200 CR3: 0000000016bbe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]
 __netlink_deliver_tap net/netlink/af_netlink.c:325 [inline]
 netlink_deliver_tap+0xa89/0xcf0 net/netlink/af_netlink.c:338
 __netlink_sendskb net/netlink/af_netlink.c:1283 [inline]
 netlink_dump+0x786/0xc50 net/netlink/af_netlink.c:2279
 netlink_recvmsg+0xc56/0xec0 net/netlink/af_netlink.c:1995
 sock_recvmsg_nosec net/socket.c:1019 [inline]
 sock_recvmsg+0xe2/0x160 net/socket.c:1040
 __sys_recvfrom+0x1b0/0x2e0 net/socket.c:2196
 __do_sys_recvfrom net/socket.c:2214 [inline]
 __se_sys_recvfrom net/socket.c:2210 [inline]
 __x64_sys_recvfrom+0xe1/0x1b0 net/socket.c:2210
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb763eb18ec
Code: 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 19 45 31 c9 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 64 c3 0f 1f 00 55 48 83 ec 20 48 89 54 24 10
RSP: 002b:00007ffc6e359048 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007ffc6e359100 RCX: 00007fb763eb18ec
RDX: 0000000000001000 RSI: 00007ffc6e359150 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6e3590b8
R13: 00007ffc6e359150 R14: 0000000000000003 R15: 0000000000000000
 </TASK>

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/06/22 06:21 upstream dad9774deaf1 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __dev_queue_xmit
2023/06/22 01:08 net a129b41fe0a8 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/22 06:21 net-next ca4fa8743537 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
2023/07/06 02:56 upstream 6cd06ab12d1a ba5dba36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __dev_queue_xmit
2023/07/02 06:05 upstream f8566aa4f176 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __dev_queue_xmit
2023/06/26 07:19 upstream 547cc9be86f4 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __dev_queue_xmit
2023/06/22 23:44 upstream dad9774deaf1 79782afc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __dev_queue_xmit
2023/06/22 23:42 upstream dad9774deaf1 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __dev_queue_xmit
2023/07/08 12:24 net 8139dccd464a 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/28 21:18 net 3674fbf0451d 8064cb02 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/28 08:46 net 3674fbf0451d 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/22 23:44 net 2ba7e7ebb6a7 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/21 23:07 net a129b41fe0a8 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/18 16:47 net eb09fc2d1416 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/18 13:38 net eb09fc2d1416 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __dev_queue_xmit
2023/06/24 19:17 net-next d1d29a42f7ac 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
2023/06/23 01:56 net-next 98e95872f2b8 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
2023/06/17 11:48 net-next a52305a81d6b f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
2023/06/17 04:28 net-next c08afcdcf952 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
2023/06/15 11:46 net-next fa0e21fa4443 76decb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __dev_queue_xmit
* Struck through repros no longer work on HEAD.