IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
==================================================================
BUG: KCSAN: data-race in prandom_seed / prandom_u32
read to 0xffff888237c28450 of 8 bytes by task 1821 on cpu 1:
prandom_seed+0xd5/0x270 lib/random32.c:441
addrconf_dad_begin net/ipv6/addrconf.c:3960 [inline]
addrconf_dad_work+0x27a/0x1170 net/ipv6/addrconf.c:4085
process_one_work+0x3fc/0x980 kernel/workqueue.c:2298
worker_thread+0x616/0xa70 kernel/workqueue.c:2445
kthread+0x2c7/0x2e0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
write to 0xffff888237c28450 of 8 bytes by task 7 on cpu 0:
siprand_u32 lib/random32.c:373 [inline]
prandom_u32+0x11f/0x230 lib/random32.c:388
mld_ifc_start_work net/ipv6/mcast.c:1071 [inline]
mld_ifc_work+0x6eb/0x810 net/ipv6/mcast.c:2664
process_one_work+0x3fc/0x980 kernel/workqueue.c:2298
worker_thread+0x616/0xa70 kernel/workqueue.c:2445
kthread+0x2c7/0x2e0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
value changed: 0x87c9ae1c824e00f0 -> 0x2ce518c7a4ed9810
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: mld mld_ifc_work
==================================================================