------------[ cut here ]------------ WARNING: CPU: 1 PID: 6249 at include/linux/skbuff.h:2735 pskb_may_pull_reason include/linux/skbuff.h:2735 [inline] WARNING: CPU: 1 PID: 6249 at include/linux/skbuff.h:2735 pskb_may_pull include/linux/skbuff.h:2751 [inline] WARNING: CPU: 1 PID: 6249 at include/linux/skbuff.h:2735 pskb_network_may_pull include/linux/skbuff.h:3072 [inline] WARNING: CPU: 1 PID: 6249 at include/linux/skbuff.h:2735 pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] WARNING: CPU: 1 PID: 6249 at include/linux/skbuff.h:2735 gre_tap_xmit+0x43c/0x61c net/ipv4/ip_gre.c:739 Modules linked in: CPU: 1 PID: 6249 Comm: syz-executor276 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : pskb_may_pull_reason include/linux/skbuff.h:2735 [inline] pc : pskb_may_pull include/linux/skbuff.h:2751 [inline] pc : pskb_network_may_pull include/linux/skbuff.h:3072 [inline] pc : pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] pc : gre_tap_xmit+0x43c/0x61c net/ipv4/ip_gre.c:739 lr : pskb_may_pull_reason include/linux/skbuff.h:2735 [inline] lr : pskb_may_pull include/linux/skbuff.h:2751 [inline] lr : pskb_network_may_pull include/linux/skbuff.h:3072 [inline] lr : pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] lr : gre_tap_xmit+0x43c/0x61c net/ipv4/ip_gre.c:739 sp : ffff800099fc6c90 x29: ffff800099fc6ca0 x28: 1fffe0001acdf2e3 x27: 1fffe0001acdf2e2 x26: dfff800000000000 x25: ffff80008d5746a0 x24: ffff0000d92b0010 x23: 00000000ffffffb6 x22: ffff0000d66f9718 x21: ffff0000d66f9710 x20: ffff0000d66f9640 x19: ffff0000ce0fc000 x18: 0000000000000000 x17: 0000000000960096 x16: ffff80008055219c x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000004888 x12: ffff0000d6ef3c80 x11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d6ef3c80 x7 : ffff80008902d1c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff800099fc6e00 x2 : ffff0000db59fc00 x1 : 00000000ffffffb6 x0 : 0000000000000000 Call trace: pskb_may_pull_reason include/linux/skbuff.h:2735 [inline] pskb_may_pull include/linux/skbuff.h:2751 [inline] pskb_network_may_pull include/linux/skbuff.h:3072 [inline] pskb_inet_may_pull include/net/ip_tunnels.h:361 [inline] gre_tap_xmit+0x43c/0x61c net/ipv4/ip_gre.c:739 __netdev_start_xmit include/linux/netdevice.h:4903 [inline] netdev_start_xmit include/linux/netdevice.h:4917 [inline] xmit_one net/core/dev.c:3531 [inline] dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547 sch_direct_xmit+0x244/0x57c net/sched/sch_generic.c:343 __dev_xmit_skb net/core/dev.c:3760 [inline] __dev_queue_xmit+0x13d8/0x32c8 net/core/dev.c:4301 bond_start_xmit+0xd54/0x1480 drivers/net/bonding/bond_main.c:5469 __netdev_start_xmit include/linux/netdevice.h:4903 [inline] netdev_start_xmit include/linux/netdevice.h:4917 [inline] xmit_one net/core/dev.c:3531 [inline] dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547 __dev_queue_xmit+0x15c8/0x32c8 net/core/dev.c:4335 dev_queue_xmit include/linux/netdevice.h:3091 [inline] packet_xmit+0x6c/0x31c net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3081 [inline] packet_sendmsg+0x3788/0x4c9c net/packet/af_packet.c:3113 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2667 __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2674 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 763 hardirqs last enabled at (762): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (763): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (494): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (494): [] release_sock+0x154/0x1b8 net/core/sock.c:3559 softirqs last disabled at (602): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- netlink: 'syz-executor276': attribute type 10 has an invalid length.