syzbot


kernel BUG at net/ipv6/route.c:LINE! (2)

Status: auto-closed as invalid on 2019/10/25 08:40
Reported-by: syzbot+be0943c590bb47aefb9e@syzkaller.appspotmail.com
First crash: 1489d, last: 1323d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at net/ipv6/route.c:LINE! C 197 1643d 1665d 9/24 fixed on 2018/08/08 18:10

Sample crash report:
------------[ cut here ]------------
kernel BUG at net/ipv6/route.c:1292!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.2.0-rc5+ #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1292 [inline]
RIP: 0010:ip6_pol_route+0xde2/0x1050 net/ipv6/route.c:1955
Code: 89 ee 44 89 ab 50 ff ff ff e8 9a 95 4f fb 45 85 ed 0f 85 39 ff ff ff e8 0c 94 4f fb e8 07 94 4f fb 0f 0b eb a2 e8 fe 93 4f fb <0f> 0b e8 f7 93 4f fb 49 8d bc 24 30 0d 00 00 48 b8 00 00 00 00 00
RSP: 0018:ffff8880a990eae8 EFLAGS: 00010206
RAX: ffff8880a9900440 RBX: ffff8880a990ebe8 RCX: ffffffff86212758
RDX: 0000000000000100 RSI: ffffffff86212d32 RDI: ffffe8ffffd35880
RBP: ffff8880a990ec10 R08: 1ffffd1ffffa6b10 R09: fffff91ffffa6b11
R10: fffff91ffffa6b10 R11: ffffe8ffffd35887 R12: ffffe8ffffd35880
R13: ffff8880986d61c0 R14: ffff8880a990eb38 R15: ffff8880986d6200
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d523000 CR3: 0000000097cde000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ip6_pol_route_input+0x65/0x80 net/ipv6/route.c:1971
 fib6_rule_lookup+0x133/0x5a0 net/ipv6/fib6_rules.c:113
 ip6_route_input_lookup+0xb7/0xd0 net/ipv6/route.c:1983
 ip6_route_input+0x5e2/0x9e0 net/ipv6/route.c:2118
 ip6_rcv_finish_core.isra.0+0x174/0x590 net/ipv6/ip6_input.c:63
 ip6_rcv_finish+0x17a/0x310 net/ipv6/ip6_input.c:74
 ip_sabotage_in net/bridge/br_netfilter_hooks.c:833 [inline]
 ip_sabotage_in+0x20d/0x280 net/bridge/br_netfilter_hooks.c:824
 nf_hook_entry_hookfn include/linux/netfilter.h:135 [inline]
 nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:512
 nf_hook include/linux/netfilter.h:260 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ipv6_rcv+0x25d/0x420 net/ipv6/ip6_input.c:272
 __netif_receive_skb_one_core+0x113/0x1a0 net/core/dev.c:5009
 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5123
 netif_receive_skb_internal+0x108/0x390 net/core/dev.c:5213
 netif_receive_skb+0x6e/0x5a0 net/core/dev.c:5272
 br_netif_receive_skb+0x107/0x200 net/bridge/br_input.c:29
 NF_HOOK include/linux/netfilter.h:305 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 br_pass_frame_up+0x352/0x730 net/bridge/br_input.c:64
 br_handle_frame_finish+0x6f4/0x14e0 net/bridge/br_input.c:170
 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1002
 br_nf_pre_routing_finish_ipv6+0x6fa/0xdb0 net/bridge/br_netfilter_ipv6.c:206
 NF_HOOK include/linux/netfilter.h:305 [inline]
 br_nf_pre_routing_ipv6+0x437/0x810 net/bridge/br_netfilter_ipv6.c:236
 br_nf_pre_routing+0xf2e/0x14b0 net/bridge/br_netfilter_hooks.c:478
 nf_hook_entry_hookfn include/linux/netfilter.h:135 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:225 [inline]
 br_handle_frame+0x806/0x1350 net/bridge/br_input.c:350
 __netif_receive_skb_core+0x102e/0x3280 net/core/dev.c:4910
 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:5007
 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5123
 process_backlog+0x206/0x750 net/core/dev.c:5934
 napi_poll net/core/dev.c:6357 [inline]
 net_rx_action+0x4f5/0x1070 net/core/dev.c:6423
 __do_softirq+0x25c/0x94c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:165
 kthread+0x354/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 6f1062546ff41ce8 ]---
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1292 [inline]
RIP: 0010:ip6_pol_route+0xde2/0x1050 net/ipv6/route.c:1955
Code: 89 ee 44 89 ab 50 ff ff ff e8 9a 95 4f fb 45 85 ed 0f 85 39 ff ff ff e8 0c 94 4f fb e8 07 94 4f fb 0f 0b eb a2 e8 fe 93 4f fb <0f> 0b e8 f7 93 4f fb 49 8d bc 24 30 0d 00 00 48 b8 00 00 00 00 00
RSP: 0018:ffff8880a990eae8 EFLAGS: 00010206
RAX: ffff8880a9900440 RBX: ffff8880a990ebe8 RCX: ffffffff86212758
RDX: 0000000000000100 RSI: ffffffff86212d32 RDI: ffffe8ffffd35880
RBP: ffff8880a990ec10 R08: 1ffffd1ffffa6b10 R09: fffff91ffffa6b11
R10: fffff91ffffa6b10 R11: ffffe8ffffd35887 R12: ffffe8ffffd35880
R13: ffff8880986d61c0 R14: ffff8880a990eb38 R15: ffff8880986d6200
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d523000 CR3: 0000000097cde000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (82):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-selinux-root 2019/06/22 05:48 upstream abf02e2964b3 34bf9440 .config console log report
ci-upstream-kasan-gce 2019/06/15 23:09 upstream e01e060fe00d 442206d7 .config console log report
ci-upstream-kasan-gce 2019/02/14 08:14 upstream 1f947a7a011f 6a46f448 .config console log report
ci-upstream-kasan-gce 2019/02/06 05:45 upstream 8834f5600cf3 d672172c .config console log report
ci-upstream-kasan-gce 2019/02/05 00:48 upstream 8834f5600cf3 d672172c .config console log report
ci-upstream-kasan-gce-386 2019/04/19 06:39 upstream 6d906f998179 b0e8efcb .config console log report
ci-upstream-net-this-kasan-gce 2019/06/18 17:34 net 29f785ff76b6 e3f76baa .config console log report
ci-upstream-net-this-kasan-gce 2019/06/16 14:06 net 1eb4169c1e6b 442206d7 .config console log report
ci-upstream-net-this-kasan-gce 2019/06/12 08:20 net 93c65f83f25b ea2f4006 .config console log report
ci-upstream-net-this-kasan-gce 2019/06/09 11:42 net 38e406f600a2 0159583c .config console log report
ci-upstream-net-this-kasan-gce 2019/06/03 11:04 net afa0925c6fcc 53c81ea5 .config console log report
ci-upstream-net-this-kasan-gce 2019/06/01 14:38 net e8d67fa5696e 53c81ea5 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/29 22:49 net a6cd0d2d493a 5457ef34 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/26 16:02 net f4bcf14e3997 85c57315 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/25 14:53 net ce8d24f9a596 85c57315 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/23 21:40 net b5730061d105 0dadcd9d .config console log report
ci-upstream-net-this-kasan-gce 2019/05/12 21:25 net 3285a9aa6570 5f302c04 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/12 01:41 net 8f779443b440 0637a7f0 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/11 16:49 net daf3ddbe11a2 46caad94 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/08 13:47 net 982e826d31b1 a7383bfa .config console log report
ci-upstream-net-this-kasan-gce 2019/05/02 19:32 net 4dd2b82d5adf e9039493 .config console log report
ci-upstream-net-this-kasan-gce 2019/05/01 16:30 net 0e2338749192 618456b4 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/25 19:30 net cd8dead0c394 f46aabc8 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/25 05:32 net 20ff83f10f11 8e3c52b1 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/16 07:16 net 9c69a1320515 505ab413 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/11 12:03 net f8d49bee4a5e e955ac50 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/08 03:42 net b959ecf8f953 c34fde03 .config console log report
ci-upstream-net-this-kasan-gce 2019/04/04 10:14 net ef0efcd3bd3f 6a475fff .config console log report
ci-upstream-net-this-kasan-gce 2019/04/03 15:27 net b2e54b09a3d2 dfd3394d .config console log report
ci-upstream-net-this-kasan-gce 2019/04/03 15:00 net b2e54b09a3d2 dfd3394d .config console log report
ci-upstream-net-this-kasan-gce 2019/04/02 20:40 net 1d3ff0950e2b dfd3394d .config console log report
ci-upstream-net-kasan-gce 2019/06/19 09:30 net-next 39f588603238 34bf9440 .config console log report
ci-upstream-net-kasan-gce 2019/06/13 10:09 net-next a842fe1425cb 3f4e812b .config console log report
ci-upstream-net-kasan-gce 2019/06/09 18:04 net-next 8d94a8733c94 0159583c .config console log report
ci-upstream-net-kasan-gce 2019/06/07 23:14 net-next 96524ea4be04 ce9107d0 .config console log report
ci-upstream-net-kasan-gce 2019/05/31 17:20 net-next 517f4c49aafc 142ce681 .config console log report
ci-upstream-net-kasan-gce 2019/05/30 00:04 net-next 36f18439ea16 5457ef34 .config console log report
ci-upstream-net-kasan-gce 2019/05/28 09:51 net-next cec4f328c929 6bd61501 .config console log report
ci-upstream-net-kasan-gce 2019/05/27 03:42 net-next 9b3c520e9628 85c57315 .config console log report
ci-upstream-net-kasan-gce 2019/05/26 22:38 net-next 9b3c520e9628 85c57315 .config console log report
ci-upstream-net-kasan-gce 2019/05/26 19:18 net-next 22942498cceb 85c57315 .config console log report
ci-upstream-net-kasan-gce 2019/05/26 17:23 net-next 22942498cceb 85c57315 .config console log report
ci-upstream-net-kasan-gce 2019/05/24 17:58 net-next dfb569f2b96e 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/05/24 10:13 net-next dfb569f2b96e 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/05/24 07:46 net-next 16fa1cf1ed2a 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/05/24 06:01 net-next 16fa1cf1ed2a 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/05/23 19:44 net-next 14a1eaa8820e 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/05/23 13:12 net-next 14a1eaa8820e 0dadcd9d .config console log report
ci-upstream-net-kasan-gce 2019/02/16 11:39 net-next 3313da8188cc f42dee6d .config console log report
ci-upstream-net-kasan-gce 2019/02/05 15:30 net-next fc9c5a4a5a57 d672172c .config console log report
ci-upstream-net-kasan-gce 2019/02/03 20:07 net-next 682a789516d3 c198d5dd .config console log report
ci-upstream-net-kasan-gce 2019/01/27 07:20 net-next a4b829949326 c73f090a .config console log report
ci-upstream-net-kasan-gce 2019/01/24 06:49 net-next 33a0efa4baec 56558f63 .config console log report
ci-upstream-net-kasan-gce 2019/01/16 16:49 net-next 590ce401c207 d538790b .config console log report
ci-upstream-net-kasan-gce 2019/01/16 03:24 net-next 9dde6da51297 b47fa78d .config console log report
ci-upstream-net-kasan-gce 2019/01/15 06:06 net-next b71acb0e3721 ebacf5cb .config console log report
ci-upstream-net-kasan-gce 2019/01/11 11:11 net-next b71acb0e3721 80dde172 .config console log report
ci-upstream-net-kasan-gce 2019/01/09 17:37 net-next b71acb0e3721 45c0c1b1 .config console log report
ci-upstream-net-kasan-gce 2019/01/08 04:10 net-next b71acb0e3721 69d69aa9 .config console log report
ci-upstream-net-kasan-gce 2019/01/07 08:37 net-next b71acb0e3721 ee332608 .config console log report
* Struck through repros no longer work on HEAD.