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: 19764 Comm: syz-executor.3 Not tainted 5.0.0+ #98
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1517
Code: 31 e4 53 48 89 fb e8 cc b2 96 fb 48 85 db 74 4f e8 c2 b2 96 fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07
RSP: 0018:ffff88806e31f658 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000091 RCX: ffffc9000c446000
RDX: 0000000000000019 RSI: ffffffff85d9b16e RDI: 00000000000000cb
RBP: ffff88806e31f670 R08: ffff88809e85e3c0 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000091 R15: ffff88808cc0f800
FS:  00007fba6a963700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe818bfd518 CR3: 000000008ba38000 CR4: 00000000001406e0
Call Trace:
 __mkroute_output net/ipv4/route.c:2273 [inline]
 ip_route_output_key_hash_rcu+0x89d/0x30e0 net/ipv4/route.c:2505
 ip_route_output_key_hash+0x212/0x380 net/ipv4/route.c:2334
 __ip_route_output_key include/net/route.h:124 [inline]
 ip_route_output_flow+0x28/0xc0 net/ipv4/route.c:2589
 ip_route_output_key include/net/route.h:134 [inline]
 sctp_v4_get_dst+0x467/0x1260 net/sctp/protocol.c:450
 sctp_transport_route+0x132/0x370 net/sctp/transport.c:312
 sctp_assoc_add_peer+0x53e/0xfc0 net/sctp/associola.c:678
 sctp_sendmsg_new_asoc+0x5d5/0xfd0 net/sctp/socket.c:1757
 sctp_sendmsg+0x128d/0x1800 net/sctp/socket.c:2087
 inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:632
 __sys_sendto+0x262/0x380 net/socket.c:1809
 __do_sys_sendto net/socket.c:1821 [inline]
 __se_sys_sendto net/socket.c:1817 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1817
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458079
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fba6a962c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458079
RDX: 0000000000000001 RSI: 000000002026cfff RDI: 0000000000000003
RBP: 000000000073bfa0 R08: 0000000020033ff0 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba6a9636d4
R13: 00000000004c56f1 R14: 00000000004d9628 R15: 00000000ffffffff
Modules linked in:
---[ end trace aaae0455713a17bb ]---
RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1517
Code: 31 e4 53 48 89 fb e8 cc b2 96 fb 48 85 db 74 4f e8 c2 b2 96 fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07
RSP: 0018:ffff88806e31f658 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000091 RCX: ffffc9000c446000
RDX: 0000000000000019 RSI: ffffffff85d9b16e RDI: 00000000000000cb
RBP: ffff88806e31f670 R08: ffff88809e85e3c0 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000091 R15: ffff88808cc0f800
FS:  00007fba6a963700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000243efd0 CR3: 000000008ba38000 CR4: 00000000001406f0