================================================================== BUG: KMSAN: uninit-value in memcmp+0x117/0x180 lib/string.c:865 CPU: 1 PID: 90 Comm: kworker/1:1 Not tainted 5.0.0+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x173/0x1d0 lib/dump_stack.c:113 kmsan_report+0x12e/0x2a0 mm/kmsan/kmsan.c:600 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 memcmp+0x117/0x180 lib/string.c:865 __hw_addr_add_ex net/core/dev_addr_lists.c:61 [inline] __dev_mc_add+0x1f9/0x8c0 net/core/dev_addr_lists.c:770 dev_mc_add+0x6d/0x80 net/core/dev_addr_lists.c:787 igmp6_group_added+0x2d4/0xad0 net/ipv6/mcast.c:676 __ipv6_dev_mc_inc+0xdc7/0xfa0 net/ipv6/mcast.c:934 ipv6_dev_mc_inc+0x70/0x80 net/ipv6/mcast.c:941 addrconf_join_solict net/ipv6/addrconf.c:2116 [inline] addrconf_dad_begin net/ipv6/addrconf.c:3901 [inline] addrconf_dad_work+0x50c/0x26e0 net/ipv6/addrconf.c:4028 process_one_work+0x1607/0x2010 kernel/workqueue.c:2173 worker_thread+0x111c/0x2460 kernel/workqueue.c:2319 kthread+0x4a1/0x4e0 kernel/kthread.c:247 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 binder_alloc: 11437: binder_alloc_buf, no vma binder: 11437:11438 transaction failed 29189/-3, size 0-0 line 3035 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 90 Comm: kworker/1:1 Tainted: G B 5.0.0+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x173/0x1d0 lib/dump_stack.c:113 panic+0x3d1/0xb01 kernel/panic.c:214 kmsan_report+0x293/0x2a0 mm/kmsan/kmsan.c:620 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 memcmp+0x117/0x180 lib/string.c:865 __hw_addr_add_ex net/core/dev_addr_lists.c:61 [inline] __dev_mc_add+0x1f9/0x8c0 net/core/dev_addr_lists.c:770 dev_mc_add+0x6d/0x80 net/core/dev_addr_lists.c:787 igmp6_group_added+0x2d4/0xad0 net/ipv6/mcast.c:676 __ipv6_dev_mc_inc+0xdc7/0xfa0 net/ipv6/mcast.c:934 ipv6_dev_mc_inc+0x70/0x80 net/ipv6/mcast.c:941 addrconf_join_solict net/ipv6/addrconf.c:2116 [inline] addrconf_dad_begin net/ipv6/addrconf.c:3901 [inline] addrconf_dad_work+0x50c/0x26e0 net/ipv6/addrconf.c:4028 process_one_work+0x1607/0x2010 kernel/workqueue.c:2173 worker_thread+0x111c/0x2460 kernel/workqueue.c:2319 kthread+0x4a1/0x4e0 kernel/kthread.c:247 binder: BINDER_SET_CONTEXT_MGR already set binder: 11437:11438 ioctl 40046207 0 returned -16 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Kernel Offset: disabled Rebooting in 86400 seconds..