syzbot


WARNING in rtnl_dellink (2)

Status: auto-obsoleted due to no activity on 2023/07/14 02:21
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+d8c77f7232bfdb254e37@syzkaller.appspotmail.com
First crash: 706d, last: 402d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING in rtnl_dellink (2) 0 (1) 2022/11/18 11:17
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in rtnl_dellink C error 2 569d 1343d 0/1 upstream: reported C repro on 2020/08/17 07:56
linux-6.1 WARNING in rtnl_dellink 1 396d 396d 0/3 auto-obsoleted due to no activity on 2023/07/20 02:27
upstream WARNING in rtnl_dellink (3) net C done 492 244d 254d 23/26 fixed on 2023/10/12 12:48
linux-4.14 WARNING in rtnl_dellink C error 1 1313d 1343d 0/1 upstream: reported C repro on 2020/08/17 04:45
upstream WARNING in rtnl_dellink net C done done 94 829d 1340d 20/26 fixed on 2022/05/13 11:13

Sample crash report:
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 0 PID: 15702 at net/core/dev.c:10870 unregister_netdevice_many_notify+0x140f/0x1910 net/core/dev.c:10870
Modules linked in:
CPU: 0 PID: 15702 Comm: syz-executor.1 Not tainted 6.3.0-rc2-syzkaller-00050-g9c1bec9c0b08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:unregister_netdevice_many_notify+0x140f/0x1910 net/core/dev.c:10870
Code: 0b e9 e9 f0 ff ff e8 a0 2d 7b f9 be 04 00 00 00 4c 89 f7 e8 e3 10 08 fc e9 ea f8 ff ff 48 89 ef e9 94 f6 ff ff e8 81 2d 7b f9 <0f> 0b e9 9b f7 ff ff e8 75 2d 7b f9 0f b6 1d 4f 88 5a 06 31 ff 89
RSP: 0018:ffffc90005767168 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880240400b0 RCX: ffffc9000b4db000
RDX: 0000000000040000 RSI: ffffffff8807b77f RDI: 0000000000000005
RBP: ffff888028628a00 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888028628a00 R14: ffff888024040000 R15: dffffc0000000000
FS:  00007f7589399700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000007c324000 CR4: 00000000003506f0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rtnl_delete_link net/core/rtnetlink.c:3191 [inline]
 rtnl_dellink+0x3a8/0xac0 net/core/rtnetlink.c:3243
 rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6174
 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2501
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2555
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2584
 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: 0033:0x7f758868c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7589399168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f75887abf80 RCX: 00007f758868c0f9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007f75886e7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f75888cfb1f R14: 00007f7589399300 R15: 0000000000022000
 </TASK>

Crashes (78):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/03/16 02:20 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/03/15 21:00 upstream 6015b1aca1a2 18b58603 .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/03/13 15:05 upstream eeac8ede1755 026e2200 .config console log report info ci-upstream-kasan-gce-smack-root WARNING in rtnl_dellink
2023/02/27 22:04 upstream 982818426a0f e792ae78 .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/02/27 05:40 upstream f3a2439f20d9 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/02/26 06:30 upstream 1ec35eadc3b4 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/02/24 09:00 upstream d2980d8d8265 9e2ebb3c .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/02/23 03:07 upstream d8ca6dbb8de7 409945bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rtnl_dellink
2023/02/18 19:53 upstream 38f8ccde04a3 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2023/02/14 03:30 upstream f6feea56f66d 93ae7e0a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2023/02/11 23:18 upstream 47e9aa14ce5a 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/01/28 19:09 upstream 5af6ce704936 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2023/01/22 16:20 upstream 2241ab53cbb5 7374c4e5 .config console log report info ci-qemu-upstream WARNING in rtnl_dellink
2023/01/19 05:26 upstream 7287904c8771 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rtnl_dellink
2023/01/13 00:10 upstream e8f60cd7db24 96166539 .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2023/01/12 19:45 upstream c757fc92a3f7 96166539 .config console log report info ci-qemu-upstream WARNING in rtnl_dellink
2023/01/10 06:15 upstream 5a41237ad1d4 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2022/12/14 04:50 upstream 7e68dd7d07a2 f6511626 .config console log report info ci-qemu-upstream WARNING in rtnl_dellink
2022/12/01 10:49 upstream ef4d3ea40565 4c2a66e8 .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2022/10/24 12:37 upstream a70385240892 23bf86af .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2022/10/23 16:00 upstream d47136c28015 23bf86af .config console log report info ci-upstream-kasan-gce-smack-root WARNING in rtnl_dellink
2022/10/22 18:35 upstream 4da34b7d175d c0b80a55 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce WARNING in rtnl_dellink
2022/10/14 02:36 upstream 55be6084c8e0 adf90437 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce WARNING in rtnl_dellink
2022/10/09 01:19 upstream a6afa4199d3d aea5da89 .config console log report info ci-qemu-upstream WARNING in rtnl_dellink
2022/10/02 12:12 upstream b357fd1c2afc feb56351 .config console log report info ci-upstream-kasan-gce WARNING in rtnl_dellink
2022/10/01 04:11 upstream ffb4d94b4314 feb56351 .config console log report info ci-qemu-upstream WARNING in rtnl_dellink
2022/05/20 16:37 upstream 3d7285a335ed bd37ad7e .config console log report info ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2022/05/16 12:42 upstream 42226c989789 744a39e2 .config console log report info ci-upstream-kasan-gce-root WARNING in rtnl_dellink
2023/02/17 17:28 upstream ec35307e18ba 3e7039f4 .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/02/14 00:32 upstream b408817d4884 93ae7e0a .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/01/23 08:46 upstream 2475bf0250de 44388686 .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/01/13 19:15 upstream d9fc1511728c 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/01/09 03:44 upstream 1fe4fd6f5cad 1dac8c7a .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/01/07 08:01 upstream a689b938df39 1dac8c7a .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/01/06 08:59 upstream 1f5abbd77e2c 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/11/25 05:41 upstream 08ad43d554ba 74a66371 .config console log report info ci-qemu-upstream-386 WARNING in rtnl_dellink
2022/11/02 17:23 upstream b229b6ca5abb 08977f5d .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/10/27 01:18 upstream 98555239e4c3 86777b7f .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/10/26 20:19 upstream 98555239e4c3 86777b7f .config console log report info ci-qemu-upstream-386 WARNING in rtnl_dellink
2022/10/16 12:54 upstream 55be6084c8e0 67cb024c .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/10/13 12:24 upstream 55be6084c8e0 adf90437 .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/05/29 23:23 upstream b00ed48bb0a7 a46af346 .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2022/05/19 10:19 upstream f993aed406ea 50c53f39 .config console log report info ci-upstream-kasan-gce-386 WARNING in rtnl_dellink
2023/03/08 09:08 net 37d9df224d1e d2b00170 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/03/07 02:25 net-old f4b47a2e9463 f8902b57 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/02/19 06:27 net-old ec35307e18ba bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/02/18 06:38 net-old ec35307e18ba d02e9a70 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/01/19 02:06 net-old b9fb10d131b8 42660d9e .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/01/11 14:46 net-old 0aa7d35f5d00 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/01/10 15:45 net-old 53da7aec3298 1dac8c7a .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/01/01 16:20 net-old d9d71a89f28d ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/11/21 14:19 net-old 9ab000d9ac54 5bb70014 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/11/12 19:21 net-old 9cbd48d5fa14 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/10/26 12:55 net-old 95a0396a0642 2159e4d2 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/07/12 16:56 net-old f946964a9f79 d91dd8ea .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/07/02 16:24 net-old d28b25a62a47 1434eec0 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/06/28 12:31 net-old 3b0dc529f56b ef82eb2c .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/06/12 18:52 net-old 6f0e1efc880a 0d5abf15 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2022/06/06 18:46 net-old c76acfb7e19d c8857892 .config console log report info ci-upstream-net-this-kasan-gce WARNING in rtnl_dellink
2023/02/11 12:57 net-next-old de4287336794 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2023/02/04 21:24 net-next-old 042b7858d50f be607b78 .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2023/01/22 10:36 net-next-old a7b87d2a31dc 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/12/27 08:35 net-next-old c183e6c3ec34 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/12/25 21:01 net-next-old c183e6c3ec34 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/12/25 15:42 net-next-old c183e6c3ec34 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/12/19 01:26 net-next-old 7e68dd7d07a2 05494336 .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/12/18 09:48 net-next-old 7e68dd7d07a2 05494336 .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/10/27 23:57 net-next-old 99c8eb46773e 86777b7f .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/10/08 07:15 net-next-old 0326074ff465 0de35f24 .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/09/27 18:19 net-next-old 6627a2074d5c 87840e00 .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2022/09/17 22:33 net-next-old 44a8535fb87c dd9a85ff .config console log report info ci-upstream-net-kasan-gce WARNING in rtnl_dellink
2023/02/03 05:01 linux-next ea4dabbb4ad7 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in rtnl_dellink
2023/01/11 19:56 linux-next c9e9cdd8bdcc 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in rtnl_dellink
2022/11/26 11:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 74a66371 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in rtnl_dellink
2022/10/06 11:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 131b38ac .config console log report info ci-upstream-gce-arm64 WARNING in rtnl_dellink
2022/09/14 13:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a6b443748715 b884348d .config console log report info ci-upstream-gce-arm64 WARNING in rtnl_dellink
* Struck through repros no longer work on HEAD.