IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wg1: link becomes ready 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: 2357 Comm: syz-executor.4 Tainted: G W 5.13.0-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 63 68 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:ffffc9000393e9e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff8880279a5920 RCX: ffffc9001298b000 RDX: 0000000000040000 RSI: ffffffff81651c1d RDI: ffff8880279a5920 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff87103bed R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880279a5920 R14: dffffc0000000000 R15: ffff8880709a4000 FS: 00007f69ee70a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cb2a000 CR3: 00000000a2b24000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:6946 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:9969 netdev_update_features+0x63/0xd0 net/core/dev.c:10043 veth_xdp_set drivers/net/veth.c:1348 [inline] veth_xdp+0x448/0x780 drivers/net/veth.c:1361 dev_xdp_install+0xd5/0x270 net/core/dev.c:9390 dev_xdp_attach+0x607/0xd30 net/core/dev.c:9528 dev_change_xdp_fd+0x246/0x300 net/core/dev.c:9762 do_setlink+0x2f4e/0x3900 net/core/rtnetlink.c:2933 rtnl_group_changelink net/core/rtnetlink.c:3244 [inline] __rtnl_newlink+0xbf5/0x1760 net/core/rtnetlink.c:3398 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3508 rtnetlink_rcv_msg+0x44e/0xb70 net/core/rtnetlink.c:5574 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+0x85b/0xda0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:702 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:722 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2385 ___sys_sendmsg+0xf3/0x170 net/socket.c:2439 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2468 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 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:00007f69ee70a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038 R13: 00007ffc429c6ddf R14: 00007f69ee70a300 R15: 0000000000022000 Modules linked in: ---[ end trace ce66f9a3e87780b1 ]--- 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 63 68 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:ffffc9000393e9e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff8880279a5920 RCX: ffffc9001298b000 RDX: 0000000000040000 RSI: ffffffff81651c1d RDI: ffff8880279a5920 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff87103bed R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880279a5920 R14: dffffc0000000000 R15: ffff8880709a4000 FS: 00007f69ee70a700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00b7386718 CR3: 00000000a2b24000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400