IPv6: ADDRCONF(NETDEV_CHANGE): team1: link becomes ready ================================================================== BUG: KASAN: global-out-of-bounds in dev_hard_header include/linux/netdevice.h:3043 [inline] BUG: KASAN: global-out-of-bounds in macvlan_hard_header+0x12b/0x150 drivers/net/macvlan.c:594 Read of size 8 at addr ffffffff8f2bd590 by task kworker/1:1/32 CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.19.0-rc8-syzkaller-00130-g8eaa1d110800 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: mld mld_ifc_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x495 mm/kasan/report.c:313 print_report mm/kasan/report.c:429 [inline] kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491 dev_hard_header include/linux/netdevice.h:3043 [inline] macvlan_hard_header+0x12b/0x150 drivers/net/macvlan.c:594 dev_hard_header include/linux/netdevice.h:3046 [inline] neigh_resolve_output net/core/neighbour.c:1523 [inline] neigh_resolve_output+0x4b3/0x840 net/core/neighbour.c:1508 neigh_output include/net/neighbour.h:549 [inline] ip6_finish_output2+0x564/0x1520 net/ipv6/ip6_output.c:134 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline] ip6_finish_output+0x844/0x1170 net/ipv6/ip6_output.c:206 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x1ed/0x540 net/ipv6/ip6_output.c:227 dst_output include/net/dst.h:451 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0xa09/0xe70 net/ipv6/mcast.c:1820 mld_send_cr net/ipv6/mcast.c:2121 [inline] mld_ifc_work+0x71c/0xdc0 net/ipv6/mcast.c:2653 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 The buggy address belongs to the variable: nr_zapped_lock_chains+0x10/0x40 Memory state around the buggy address: ffffffff8f2bd480: 00 00 00 00 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 ffffffff8f2bd500: 04 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 >ffffffff8f2bd580: 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 ^ ffffffff8f2bd600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff8f2bd680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================