WARNING in batadv_tvlv_container_remove

Status: auto-closed as invalid on 2019/12/22 16:11
Reported-by: syzbot+11af97b48ac8173ff274@syzkaller.appspotmail.com
First crash: 2696d, last: 2531d

Sample crash report:
IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready
IPVS: Creating netns size=2712 id=2
IPVS: ftp: loaded support on port[0] = 21
chnl_net:caif_netlink_parms(): no params data found
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5761 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80 net/batman-adv/main.c:750()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5761 Comm: syz-executor.5 Not tainted 4.4.194 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000082 ffff8800b23e3870 ffffffff818a6f22 0000000000000000
 ffffffff82e96378 ffffffff8300ac2f ffff8800b23e38e8 ffffffff8126f9bc
 ffff880000000008 ffff8800b23e38f8 ffff8800b23e3898 ffffffff81274e1f
Call Trace:
 [<ffffffff818a6f22>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff818a6f22>] dump_stack+0xa1/0xdf lib/dump_stack.c:51
 [<ffffffff8126f9bc>] panic+0xd2/0x225 kernel/panic.c:112
 [<ffffffff8126fb35>] warn_slowpath_common kernel/panic.c:455 [inline]
 [<ffffffff8126fb35>] warn_slowpath_common.cold+0x16/0x16 kernel/panic.c:435
 [<ffffffff811715f5>] warn_slowpath_null+0x15/0x20 kernel/panic.c:492
 [<ffffffff825e852b>] batadv_tvlv_container_remove+0x7b/0x80 net/batman-adv/main.c:750
 [<ffffffff825e9333>] batadv_tvlv_container_register+0xb3/0x120 net/batman-adv/main.c:815
 [<ffffffff825e27b6>] batadv_dat_tvlv_container_update net/batman-adv/distributed-arp-table.c:691 [inline]
 [<ffffffff825e27b6>] batadv_dat_tvlv_container_update+0x26/0x40 net/batman-adv/distributed-arp-table.c:680
 [<ffffffff825e321a>] batadv_dat_init+0x6a/0x80 net/batman-adv/distributed-arp-table.c:763
 [<ffffffff825e89b9>] batadv_mesh_init+0x239/0x290 net/batman-adv/main.c:173
 [<ffffffff825f3b11>] batadv_softif_init_late+0x271/0x2c0 net/batman-adv/soft-interface.c:832
 [<ffffffff820e542a>] register_netdevice+0xfa/0x450 net/core/dev.c:6756
 [<ffffffff820f4e85>] rtnl_newlink+0x8a5/0x910 net/core/rtnetlink.c:2393
 [<ffffffff820f3440>] rtnetlink_rcv_msg+0x170/0x1e0 net/core/rtnetlink.c:3446
 [<ffffffff82157821>] netlink_rcv_skb+0x31/0xc0 net/netlink/af_netlink.c:2361
 [<ffffffff820f32c6>] rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:3452
 [<ffffffff82157298>] netlink_unicast_kernel net/netlink/af_netlink.c:1277 [inline]
 [<ffffffff82157298>] netlink_unicast+0x168/0x210 net/netlink/af_netlink.c:1303
 [<ffffffff82157531>] netlink_sendmsg+0x1f1/0x390 net/netlink/af_netlink.c:1859
 [<ffffffff820c01f5>] sock_sendmsg_nosec net/socket.c:600 [inline]
 [<ffffffff820c01f5>] sock_sendmsg+0x35/0x40 net/socket.c:610
 [<ffffffff820c067d>] SYSC_sendto+0xed/0x160 net/socket.c:1640
 [<ffffffff820c1509>] SyS_sendto+0x9/0x10 net/socket.c:1608
 [<ffffffff826548bc>] entry_SYSCALL_64_fastpath+0x1c/0x7c
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (683975):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/23 16:06 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:59 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:51 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:44 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:37 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:30 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:23 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:16 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:09 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 15:03 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:55 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:48 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:41 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:34 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:26 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:19 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:12 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 14:05 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 13:58 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 13:51 linux-4.4.y 5f090d837b1f 1e9788a0 .config console log report ci2-linux-4-4
2019/09/23 13:39 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 13:33 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 13:25 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 13:19 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 13:12 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 13:05 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:59 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:52 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:45 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:39 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:32 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:26 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:19 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:12 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 12:06 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:59 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:52 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:45 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:39 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:32 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/09/23 11:25 linux-4.4.y 5f090d837b1f d96e88f3 .config console log report ci2-linux-4-4
2019/04/11 15:31 linux-4.4.y 12ae58ca7ec4 13030ef8 .config console log report ci2-linux-4-4
* Struck through repros no longer work on HEAD.