| FILE: net/ipv6/tcp_ipv6.c |
| |
| ================================================================== |
| BUG: KASAN: use-after-free in ip6_dst_store include/net/ip6_fib.h:176 [inline] |
| BUG: KASAN: use-after-free in tcp_v6_connect+0x1dfd/0x20f0 net/ipv6/tcp_ipv6.c:271 |
| Read of size 4 at addr ffff880066df126c by task syz-executor6/22754 |
| |
| CPU: 0 PID: 22754 Comm: syz-executor6 Not tainted 4.12.0-rc1+ #366 |
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 |
| Call Trace: |
| __dump_stack lib/dump_stack.c:16 [inline] |
| dump_stack+0x292/0x395 lib/dump_stack.c:52 |
| print_address_description+0x73/0x280 mm/kasan/report.c:252 |
| kasan_report_error mm/kasan/report.c:351 [inline] |
| kasan_report+0x22b/0x340 mm/kasan/report.c:408 |
| __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:428 |
| ip6_dst_store include/net/ip6_fib.h:176 [inline] |
| tcp_v6_connect+0x1dfd/0x20f0 net/ipv6/tcp_ipv6.c:271 |
| __inet_stream_connect+0x2ee/0xf90 net/ipv4/af_inet.c:618 |
| inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:682 |
| SYSC_connect+0x251/0x590 net/socket.c:1588 |
| SyS_connect+0x24/0x30 net/socket.c:1569 |
| entry_SYSCALL_64_fastpath+0x1f/0xbe |
| RIP: 0033:0x445e89 |
| RSP: 002b:00007fc98a723b58 EFLAGS: 00000286 ORIG_RAX: 000000000000002a |
| RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000445e89 |
| RDX: 000000000000001c RSI: 0000000020066000 RDI: 0000000000000016 |
| RBP: 00000000006e04c0 R08: 0000000000000000 R09: 0000000000000000 |
| R10: 0000000000000000 R11: 0000000000000286 R12: 00000000007081f8 |
| R13: 0000000000000000 R14: 00007fc98a7249c0 R15: 00007fc98a724700 |
