BUG: unable to handle kernel paging request at ffffde2021ff6343 #PF error: [normal kernel read fault] PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9279 Comm: syz-executor.5 Not tainted 5.1.0-rc7+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:444 [inline] RIP: 0010:iptunnel_xmit+0x6ed/0x980 net/ipv4/ip_tunnel_core.c:94 Code: c1 e9 03 80 3c 11 00 0f 85 72 02 00 00 48 03 1c c5 60 a0 6b 88 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 02 00 00 48 8d 7b 10 4d 63 e4 48 b8 00 00 00 RSP: 0018:ffff8880ae807888 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff11010ffb1a00 RCX: 1ffffffff10d740c RDX: 1fffe22021ff6343 RSI: ffffffff83317f8c RDI: ffff11010ffb1a18 RBP: ffff8880ae8078e8 R08: ffff888061cf4400 R09: ffffed1015d05bc8 R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 00000000000000fc R13: ffff8880a43d2340 R14: ffff8880696ec094 R15: ffff8880a9b61b80 FS: 0000000002320940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffde2021ff6343 CR3: 00000000a38df000 CR4: 00000000001406f0 Call Trace: udp_tunnel_xmit_skb+0x236/0x310 net/ipv4/udp_tunnel.c:191 tipc_udp_xmit.isra.0+0x805/0xcc0 net/tipc/udp_media.c:181 tipc_udp_send_msg+0x295/0x4a0 net/tipc/udp_media.c:247 tipc_bearer_xmit_skb+0x172/0x360 net/tipc/bearer.c:503 tipc_disc_timeout+0x933/0xd60 net/tipc/discover.c:332 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694 __do_softirq+0x266/0x95a kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:debug_object_init_on_stack+0x0/0x20 lib/debugobjects.c:443 Code: 66 2e 0f 1f 84 00 00 00 00 00 8b 05 5a cd 2c 06 85 c0 75 01 c3 55 31 d2 48 89 e5 e8 ba f3 ff ff 5d c3 0f 1f 84 00 00 00 00 00 <8b> 05 3a cd 2c 06 85 c0 75 01 c3 55 ba 01 00 00 00 48 89 e5 e8 97 RSP: 0018:ffff8880a8d17d70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 000000000000c350 RBX: ffff888061cf4400 RCX: ffffffff8161ae45 RDX: 1ffff1100c39ead7 RSI: ffffffff889b34e0 RDI: ffff8880a8d17dc0 RBP: ffff8880a8d17e78 R08: ffff888061cf4400 R09: ffffed10151a2fc4 R10: ffffed10151a2fc3 R11: ffff8880a8d17e1f R12: ffff8880a8d17ea8 R13: 0000000000000001 R14: ffff8880a8d17dc0 R15: ffff8880a8d17e50 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1a6/0x220 kernel/time/hrtimer.c:1754 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x486570 Code: 00 00 48 c7 c0 d4 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb be 66 0f 1f 44 00 00 83 3d e1 01 5d 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 b4 e0 f8 ff c3 48 83 ec 08 e8 ea 53 fd ff RSP: 002b:00007ffd3672c148 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 00000000000a9ff4 RCX: 0000000000486570 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd3672c150 RBP: 0000000000000dd6 R08: 0000000000000001 R09: 0000000002320940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00007ffd3672c1a0 R14: 00000000000a9f06 R15: 00007ffd3672c1b0 Modules linked in: CR2: ffffde2021ff6343 ---[ end trace 2b963e5e38e96434 ]--- RIP: 0010:iptunnel_xmit_stats include/net/ip_tunnels.h:444 [inline] RIP: 0010:iptunnel_xmit+0x6ed/0x980 net/ipv4/ip_tunnel_core.c:94 Code: c1 e9 03 80 3c 11 00 0f 85 72 02 00 00 48 03 1c c5 60 a0 6b 88 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 02 00 00 48 8d 7b 10 4d 63 e4 48 b8 00 00 00 RSP: 0018:ffff8880ae807888 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: ffff11010ffb1a00 RCX: 1ffffffff10d740c RDX: 1fffe22021ff6343 RSI: ffffffff83317f8c RDI: ffff11010ffb1a18 RBP: ffff8880ae8078e8 R08: ffff888061cf4400 R09: ffffed1015d05bc8 R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 00000000000000fc R13: ffff8880a43d2340 R14: ffff8880696ec094 R15: ffff8880a9b61b80 FS: 0000000002320940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffde2021ff6343 CR3: 00000000a38df000 CR4: 00000000001406f0