netlink: 'syz-executor.0': attribute type 10 has an invalid length. device veth0_vlan left promiscuous mode device veth0_vlan entered promiscuous mode general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 5666 Comm: syz-executor.0 Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1463 Code: 01 f0 48 89 44 24 10 e8 53 51 10 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90027986a78 EFLAGS: 00010212 RAX: 0000000000000002 RBX: ffff88802af46920 RCX: ffffc90001841000 RDX: 0000000000040000 RSI: ffffffff81648a0d RDI: ffff88802af46920 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff870afa5d R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802af46920 R14: dffffc0000000000 R15: ffff888072d36000 FS: 00007efd457b5700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000541198 CR3: 00000000a023b000 CR4: 0000000000350ee0 Call Trace: hrtimer_try_to_cancel+0x21/0x1e0 kernel/time/hrtimer.c:1180 hrtimer_cancel+0x13/0x40 kernel/time/hrtimer.c:1295 napi_disable+0xc3/0x110 net/core/dev.c:6912 veth_napi_del+0xfe/0x660 drivers/net/veth.c:968 veth_set_features+0x10a/0x130 drivers/net/veth.c:1257 __netdev_update_features+0x718/0x17d0 net/core/dev.c:9935 netdev_update_features net/core/dev.c:10009 [inline] dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1765 team_port_add drivers/net/team/team.c:1232 [inline] team_add_slave+0x12dc/0x1cb0 drivers/net/team/team.c:1967 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2520 do_setlink+0x990/0x3af0 net/core/rtnetlink.c:2724 __rtnl_newlink+0xdcf/0x1710 net/core/rtnetlink.c:3385 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5566 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2337 ___sys_sendmsg+0xf3/0x170 net/socket.c:2391 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2420 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efd457b5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffdca793b0f R14: 00007efd457b5300 R15: 0000000000022000 Modules linked in: ---[ end trace 9143a3ecb39dcbf2 ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1463 Code: 01 f0 48 89 44 24 10 e8 53 51 10 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90027986a78 EFLAGS: 00010212 RAX: 0000000000000002 RBX: ffff88802af46920 RCX: ffffc90001841000 RDX: 0000000000040000 RSI: ffffffff81648a0d RDI: ffff88802af46920 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff870afa5d R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802af46920 R14: dffffc0000000000 R15: ffff888072d36000 FS: 00007efd457b5700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000970004 CR3: 00000000a023b000 CR4: 0000000000350ef0