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: 0 PID: 32755 Comm: syz-executor.5 Not tainted 5.1.0-rc6 #79 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_trace_lock_acquire+0x9d/0x580 include/trace/events/lock.h:13 Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 48 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 6d 03 00 00 49 8b 7e 18 48 85 ff 0f 84 0f 03 00 RSP: 0018:ffff888051576fb8 EFLAGS: 00010002 RAX: 0000000000000029 RBX: ffff8880a9115da8 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000130 RDI: ffffffff8898d5c0 RBP: ffff8880515770a0 R08: 0000000000000000 R09: 0000000000000001 R10: ffffed1015d05bc7 R11: 0000000000000001 R12: ffffffff8898d5c0 R13: 0000000000000000 R14: 0000000000000130 R15: ffff888051577078 FS: 00007f75a5e8d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c028 CR3: 000000008966e000 CR4: 00000000001426f0 Call Trace: trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x29c/0x3f0 kernel/locking/lockdep.c:4210 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 skb_queue_tail+0x26/0x150 net/core/skbuff.c:2972 rxrpc_reject_packet net/rxrpc/input.c:1126 [inline] rxrpc_input_packet+0x4a0/0x5536 net/rxrpc/input.c:1414 udp_queue_rcv_one_skb+0xaf2/0x1780 net/ipv4/udp.c:2011 udp_queue_rcv_skb+0x128/0x730 net/ipv4/udp.c:2085 udp_unicast_rcv_skb.isra.0+0xb9/0x360 net/ipv4/udp.c:2245 __udp4_lib_rcv+0x701/0x2ca0 net/ipv4/udp.c:2301 udp_rcv+0x22/0x30 net/ipv4/udp.c:2482 ip_protocol_deliver_rcu+0x60/0x8f0 net/ipv4/ip_input.c:208 ip_local_deliver_finish+0x23b/0x390 net/ipv4/ip_input.c:234 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_local_deliver+0x1e9/0x520 net/ipv4/ip_input.c:255 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x1e1/0x300 net/ipv4/ip_input.c:413 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_rcv+0xe8/0x3f0 net/ipv4/ip_input.c:523 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4987 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5099 netif_receive_skb_internal+0x117/0x660 net/core/dev.c:5202 napi_frags_finish net/core/dev.c:5769 [inline] napi_gro_frags+0xade/0xd10 net/core/dev.c:5843 tun_get_user+0x2f24/0x3fb0 drivers/net/tun.c:1981 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2027 call_write_iter include/linux/fs.h:1866 [inline] do_iter_readv_writev+0x5e1/0x8e0 fs/read_write.c:681 do_iter_write fs/read_write.c:957 [inline] do_iter_write+0x184/0x610 fs/read_write.c:938 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1002 do_writev+0x15e/0x370 fs/read_write.c:1037 __do_sys_writev fs/read_write.c:1110 [inline] __se_sys_writev fs/read_write.c:1107 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1107 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458ae1 Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f75a5e8cba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 000000000000002a RCX: 0000000000458ae1 RDX: 0000000000000001 RSI: 00007f75a5e8cc00 RDI: 00000000000000f0 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f75a5e8d9d0 R11: 0000000000000293 R12: 00007f75a5e8d6d4 R13: 00000000004c7523 R14: 00000000004dd490 R15: 00000000ffffffff Modules linked in: ---[ end trace 69e3654ccd95b76a ]--- RIP: 0010:perf_trace_lock_acquire+0x9d/0x580 include/trace/events/lock.h:13 Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 48 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 6d 03 00 00 49 8b 7e 18 48 85 ff 0f 84 0f 03 00 RSP: 0018:ffff888051576fb8 EFLAGS: 00010002 RAX: 0000000000000029 RBX: ffff8880a9115da8 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000130 RDI: ffffffff8898d5c0 RBP: ffff8880515770a0 R08: 0000000000000000 R09: 0000000000000001 R10: ffffed1015d05bc7 R11: 0000000000000001 R12: ffffffff8898d5c0 R13: 0000000000000000 R14: 0000000000000130 R15: ffff888051577078 FS: 00007f75a5e8d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c028 CR3: 000000008966e000 CR4: 00000000001426f0