New replicast peer: 172.20.20.0 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 22451 Comm: syz-executor.4 Not tainted 4.19.61 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:458 [inline] RIP: 0010:iptunnel_xmit+0x6cc/0x9b0 net/ipv4/ip_tunnel_core.c:94 Code: 01 eb bb e8 06 10 8a fb bf 01 00 00 00 e8 0c f0 67 fb 49 8d bd 88 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 02 00 00 49 8b 9d 88 05 00 00 e8 de 53 44 fd RSP: 0018:ffff88804481f038 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000b1 RSI: ffffffff85e13fca RDI: 0000000000000588 RBP: ffff88804481f098 R08: ffff888061778280 R09: ffff888061778b70 R10: ffff88804481eea0 R11: 0000000000000000 R12: 00000000000000fc R13: 0000000000000000 R14: ffff888050764e14 R15: ffff888044295540 FS: 00007f5a7a7a4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f158 CR3: 00000000892b3000 CR4: 00000000001406e0 Call Trace: udp_tunnel_xmit_skb+0x242/0x320 net/ipv4/udp_tunnel.c:182 tipc_udp_xmit.isra.0+0x7a7/0xbe0 net/tipc/udp_media.c:180 tipc_udp_send_msg+0x28c/0x490 net/tipc/udp_media.c:245 tipc_bearer_xmit_skb+0x16c/0x360 net/tipc/bearer.c:501 tipc_enable_bearer+0xabe/0xd20 net/tipc/bearer.c:326 __tipc_nl_bearer_enable+0x2d1/0x3b0 net/tipc/bearer.c:896 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:904 genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:627 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x803/0x920 net/socket.c:2115 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153 __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5a7a7a3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a7a7a46d4 R13: 00000000004c74b6 R14: 00000000004dcb18 R15: 00000000ffffffff Modules linked in: kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 22451 Comm: syz-executor.4 Tainted: G D 4.19.61 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:458 [inline] RIP: 0010:iptunnel_xmit+0x6cc/0x9b0 net/ipv4/ip_tunnel_core.c:94 Code: 01 eb bb e8 06 10 8a fb bf 01 00 00 00 e8 0c f0 67 fb 49 8d bd 88 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 02 00 00 49 8b 9d 88 05 00 00 e8 de 53 44 fd RSP: 0018:ffff8880ae907888 EFLAGS: 00010206 kobject: 'loop5' (0000000093bb7f1d): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000b1 RSI: ffffffff85e13fca RDI: 0000000000000588 RBP: ffff8880ae9078e8 R08: ffff888061778280 R09: ffffed100bf41aa8 R10: ffff8880ae9076f0 R11: ffff88805fa0d53b R12: 00000000000000fc R13: 0000000000000000 R14: ffff88805f2f6e14 R15: ffff888092a96b40 FS: 00007f5a7a7a4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'loop5' (0000000093bb7f1d): fill_kobj_path: path = '/devices/virtual/block/loop5' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f158 CR3: 00000000892b3000 CR4: 00000000001406e0 Call Trace: udp_tunnel_xmit_skb+0x242/0x320 net/ipv4/udp_tunnel.c:182 tipc_udp_xmit.isra.0+0x7a7/0xbe0 net/tipc/udp_media.c:180 tipc_udp_send_msg+0x28c/0x490 net/tipc/udp_media.c:245 tipc_bearer_xmit_skb+0x16c/0x360 net/tipc/bearer.c:501 tipc_disc_timeout+0x933/0xd60 net/tipc/discover.c:332 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:oops_end+0x61/0xf0 arch/x86/kernel/dumpstack.c:343 Code: 00 00 00 c7 05 5c c6 49 07 ff ff ff ff e8 37 63 19 00 83 2d 18 04 53 08 01 74 36 48 83 3d 8e e0 4c 07 00 74 53 48 89 df 57 9d <0f> 1f 44 00 00 e8 e5 69 19 00 be 02 00 00 00 48 c7 c7 60 67 78 89 RSP: 0018:ffff88804481eef0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000282 RCX: ffffc90006211000 RDX: 0000000000040000 RSI: ffffffff813ec689 RDI: 0000000000000282 RBP: ffff88804481ef08 R08: ffff888061778280 R09: fffffbfff1161ef1 R10: fffffbfff1161ef0 R11: 0000000000000003 R12: ffff88804481ef88 R13: 000000000000000b R14: ffffffff8744ea80 R15: 0000000000000000 die+0x3e/0x48 arch/x86/kernel/dumpstack.c:405 do_general_protection+0x25d/0x300 arch/x86/kernel/traps.c:561 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1202 RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:458 [inline] RIP: 0010:iptunnel_xmit+0x6cc/0x9b0 net/ipv4/ip_tunnel_core.c:94 Code: 01 eb bb e8 06 10 8a fb bf 01 00 00 00 e8 0c f0 67 fb 49 8d bd 88 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 02 00 00 49 8b 9d 88 05 00 00 e8 de 53 44 fd RSP: 0018:ffff88804481f038 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000b1 RSI: ffffffff85e13fca RDI: 0000000000000588 RBP: ffff88804481f098 R08: ffff888061778280 R09: ffff888061778b70 R10: ffff88804481eea0 R11: 0000000000000000 R12: 00000000000000fc R13: 0000000000000000 R14: ffff888050764e14 R15: ffff888044295540 udp_tunnel_xmit_skb+0x242/0x320 net/ipv4/udp_tunnel.c:182 tipc_udp_xmit.isra.0+0x7a7/0xbe0 net/tipc/udp_media.c:180 tipc_udp_send_msg+0x28c/0x490 net/tipc/udp_media.c:245 tipc_bearer_xmit_skb+0x16c/0x360 net/tipc/bearer.c:501 tipc_enable_bearer+0xabe/0xd20 net/tipc/bearer.c:326 __tipc_nl_bearer_enable+0x2d1/0x3b0 net/tipc/bearer.c:896 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:904 genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:627 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x803/0x920 net/socket.c:2115 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153 __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5a7a7a3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a7a7a46d4 R13: 00000000004c74b6 R14: 00000000004dcb18 R15: 00000000ffffffff Modules linked in: ---[ end trace d8709c631a4a3480 ]--- RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:458 [inline] RIP: 0010:iptunnel_xmit+0x6cc/0x9b0 net/ipv4/ip_tunnel_core.c:94 Code: 01 eb bb e8 06 10 8a fb bf 01 00 00 00 e8 0c f0 67 fb 49 8d bd 88 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 02 00 00 49 8b 9d 88 05 00 00 e8 de 53 44 fd RSP: 0018:ffff88804481f038 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000b1 RSI: ffffffff85e13fca RDI: 0000000000000588 RBP: ffff88804481f098 R08: ffff888061778280 R09: ffff888061778b70 R10: ffff88804481eea0 R11: 0000000000000000 R12: 00000000000000fc R13: 0000000000000000 R14: ffff888050764e14 R15: ffff888044295540 FS: 00007f5a7a7a4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f158 CR3: 00000000892b3000 CR4: 00000000001406e0