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BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x303d/0x3170 net/xfrm/xfrm_state.c:1051 Read of size 4 at addr ffff8801d23cf760 by task syzkaller765370/2984 CPU: 0 PID: 2984 Comm: syzkaller765370 Not tainted 4.14.0-rc6+ #145 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 print_address_description+0x73/0x250 mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report+0x25b/0x340 mm/kasan/report.c:409 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:429 xfrm_state_find+0x303d/0x3170 net/xfrm/xfrm_state.c:1051 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1388 [inline] xfrm_tmpl_resolve+0x309/0xc00 net/xfrm/xfrm_policy.c:1432 xfrm_resolve_and_create_bundle+0x186/0x24a0 net/xfrm/xfrm_policy.c:1830 xfrm_lookup+0xf0a/0x2540 net/xfrm/xfrm_policy.c:2141 xfrm_lookup_route+0x39/0x1a0 net/xfrm/xfrm_policy.c:2259 ip_route_output_flow+0x7c/0xa0 net/ipv4/route.c:2555 udp_sendmsg+0x19b8/0x2cd0 net/ipv4/udp.c:1019 udpv6_sendmsg+0x743/0x3380 net/ipv6/udp.c:1186 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 SYSC_sendto+0x352/0x5a0 net/socket.c:1750 SyS_sendto+0x40/0x50 net/socket.c:1718 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x43fef9 RSP: 002b:00007fff50b47838 EFLAGS: 00000217 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043fef9 RDX: 0000000000000000 RSI: 0000000020efcf90 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000020efc000 R09: 0000000000000010 R10: 0000000000004090 R11: 0000000000000217 R12: 0000000000401860 R13: 00000000004018f0 R14: 0000000000000000 R15: 0000000000000000 The buggy address belongs to the page: page:ffffea000748f3c0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x200000000000000() raw: 0200000000000000 0000000000000000 0000000000000000 00000000ffffffff raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801d23cf600: 00 f1 f1 f1 f1 04 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 ffff8801d23cf680: f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 f2 f2 f2 00 00 00 >ffff8801d23cf700: 00 f2 f2 f2 f2 00 00 00 00 00 00 00 f2 f2 f2 f2 ^ ffff8801d23cf780: f2 00 00 00 00 00 00 00 00 00 f2 f2 f2 f3 f3 f3 ffff8801d23cf800: f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2017/10/23 22:27 | upstream | 6cff0a118f23 | 92f543f0 | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2017/10/23 21:43 | upstream | 6cff0a118f23 | 92f543f0 | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2017/10/23 21:54 | net-next-old | 058c8d591241 | 92f543f0 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2017/10/29 04:31 | linux-next | 36ef71cae353 | e511d9f8 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/10/28 15:31 | linux-next | 36ef71cae353 | e511d9f8 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/10/26 01:52 | linux-next | 36ef71cae353 | e511d9f8 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/10/23 22:17 | linux-next | 36ef71cae353 | e511d9f8 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/10/23 21:55 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-mmots-kasan-gce | |||
2017/10/26 07:27 | upstream | 4ed590271a65 | 6fd57ceb | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2017/11/10 01:36 | net-next-old | 19aeeb9f46cb | e0a2b195 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/09 04:43 | net-next-old | 19aeeb9f46cb | e0a2b195 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/08 18:16 | net-next-old | 7f5d3f2721b0 | 9547ae3a | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/08 02:55 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/08 02:52 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/07 21:40 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/06 20:01 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/06 12:50 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/06 08:26 | net-next-old | 27c565ae9d55 | 699e0a68 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/04 19:09 | net-next-old | 0f04d0575152 | c78b455b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/04 10:44 | net-next-old | 2a171788ba7b | 7c537a4b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/04 05:47 | net-next-old | 2a171788ba7b | 7c537a4b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/11/02 07:29 | net-next-old | 59c1cecce340 | e511d9f8 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/30 16:35 | net-next-old | e1ea2f9856b7 | edfd374b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/30 13:03 | net-next-old | e1ea2f9856b7 | edfd374b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/30 09:52 | net-next-old | aad93c70b9a3 | 80c74880 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/27 09:26 | net-next-old | a78ec0d4f0ea | 0a4d6e56 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/26 13:17 | net-next-old | 3fc27b71b894 | 0a4d6e56 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2017/10/25 07:01 | net-next-old | 6a331e1513af | 3d7d860f | .config | console log | report | ci-upstream-net-kasan-gce |