WARNING in dev_change_net

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in dev_change_net_namespace net	syz	done	done	8	1098d	1746d	20/28	fixed on 2022/05/20 00:27
linux-4.14	WARNING in dev_change_net_namespace				1	1626d	1626d	0/1	auto-closed as invalid on 2020/10/08 22:13

upstream

WARNING in dev_change_net_namespace net

syz

done

1098d

1746d

20/28

fixed on 2022/05/20 00:27

linux-4.14

WARNING in dev_change_net_namespace

1626d

0/1

auto-closed as invalid on 2020/10/08 22:13


Created	Duration	User	Patch	Repo	Result
2020/10/12 19:37	2m	bisect fix		linux-4.19.y	error job log
2020/09/02 13:11	29m	bisect fix		linux-4.19.y	OK (0) job log log

RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00000000006dcc60 R08: 0000000000000002 R09: 0000000000003332 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60a2850d80 R13: 0000000000000006 R14: 0000000000000000 R15: 0705001000000048 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6521 at net/core/dev.c:9439 dev_change_net_namespace.cold+0x11/0x18 net/core/dev.c:9439 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6521 Comm: syz-executor935 Not tainted 4.19.136-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x61 kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:dev_change_net_namespace.cold+0x11/0x18 net/core/dev.c:9439 Code: e8 41 9e af fb 48 c7 c7 60 f4 2a 88 45 31 e4 e8 e1 ab 9a fb e9 a2 2a fe ff e8 28 9e af fb 48 c7 c7 c0 e4 2a 88 e8 cb ab 9a fb <0f> 0b e9 89 32 fe ff e8 10 9e af fb 89 d9 4c 89 e2 48 c7 c6 e0 15 RSP: 0018:ffff888089396d10 EFLAGS: 00010286 RAX: 0000000000000024 RBX: 00000000fffffff4 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8154cf01 RDI: ffffed1011272d94 RBP: ffff888083e489c0 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888083e48a68 R13: ffff888083e48f70 R14: ffffffff89804680 R15: 0000000000000010 do_setlink+0x192/0x3540 net/core/rtnetlink.c:2354 rtnl_newlink+0xda0/0x15b0 net/core/rtnetlink.c:3077 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x447449 Code: e8 1c b6 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 eb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f60a2850d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000447449 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00000000006dcc60 R08: 0000000000000002 R09: 0000000000003332 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60a2850d80 R13: 0000000000000006 R14: 0000000000000000 R15: 0705001000000048 Kernel Offset: disabled Rebooting in 86400 seconds..

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager	Title
2020/08/03 10:03	linux-4.19.y	13af6c74b14a	96dd3623	.config	console log	report	syz	C		ci2-linux-4-19
2021/11/12 10:00	linux-4.19.y	3f8a27f9e27b	75b04091	.config	console log	report			info	ci2-linux-4-19	WARNING in dev_change_net_namespace
2021/08/15 21:11	linux-4.19.y	59456c9cc40c	2489ab88	.config	console log	report			info	ci2-linux-4-19	WARNING in dev_change_net_namespace
2021/08/04 15:06	linux-4.19.y	6ca2f514c578	6c236867	.config	console log	report			info	ci2-linux-4-19	WARNING in dev_change_net_namespace
2020/09/12 19:34	linux-4.19.y	a87f96283793	21d289c2	.config	console log	report				ci2-linux-4-19
2020/08/03 08:51	linux-4.19.y	13af6c74b14a	96dd3623	.config	console log	report				ci2-linux-4-19
2020/06/25 01:20	linux-4.19.y	b3a99fd385fa	9d60b18e	.config	console log	report				ci2-linux-4-19
2020/05/27 13:50	linux-4.19.y	1bab61d3e8cd	9072c126	.config	console log	report				ci2-linux-4-19
2020/04/20 02:39	linux-4.19.y	8488c3f3bc86	9f7c6d12	.config	console log	report				ci2-linux-4-19
2020/01/13 08:38	linux-4.19.y	dcd888983542	53faa9fe	.config	console log	report				ci2-linux-4-19