Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in dst_alloc / percpu_counter_add_batch (2) net | 8 | 1503d | 1616d | 0/26 | auto-closed as invalid on 2020/05/21 06:12 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in dst_alloc / percpu_counter_add_batch (2) net | 8 | 1503d | 1616d | 0/26 | auto-closed as invalid on 2020/05/21 06:12 |
================================================================== BUG: KCSAN: data-race in dst_alloc / percpu_counter_add_batch write to 0xffff8880ac7669c8 of 8 bytes by interrupt on cpu 1: percpu_counter_add_batch+0xca/0x150 lib/percpu_counter.c:91 percpu_counter_add include/linux/percpu_counter.h:55 [inline] dst_entries_add include/net/dst_ops.h:57 [inline] dst_destroy+0x1df/0x210 net/core/dst.c:117 dst_destroy_rcu+0x1f/0x30 net/core/dst.c:142 __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch+0x256/0x5b0 kernel/rcu/tree.c:2157 rcu_core+0x369/0x4d0 kernel/rcu/tree.c:2377 rcu_core_si+0x12/0x20 kernel/rcu/tree.c:2386 __do_softirq+0x115/0x33f kernel/softirq.c:292 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff8880ac7669c8 of 8 bytes by task 3436 on cpu 0: dst_entries_get_fast include/net/dst_ops.h:47 [inline] dst_alloc+0x55/0x149 net/core/dst.c:84 ip6_dst_alloc+0x3d/0x80 net/ipv6/route.c:353 ip6_rt_cache_alloc+0x8d/0x340 net/ipv6/route.c:1338 ip6_pol_route+0x4ec/0x5c0 net/ipv6/route.c:2217 ip6_pol_route_output+0x48/0x60 net/ipv6/route.c:2452 fib6_rule_lookup+0x3d6/0x470 net/ipv6/fib6_rules.c:117 ip6_route_output_flags_noref+0x16b/0x230 net/ipv6/route.c:2484 ip6_route_output_flags+0x50/0x1a0 net/ipv6/route.c:2497 ip6_dst_lookup_tail+0x25d/0xc30 net/ipv6/ip6_output.c:1049 ip6_dst_lookup_flow+0x68/0x120 net/ipv6/ip6_output.c:1150 rawv6_sendmsg+0x82c/0x21e0 net/ipv6/raw.c:928 inet_sendmsg+0x6d/0x90 net/ipv4/af_inet.c:807 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0x9f/0xc0 net/socket.c:657 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3436 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/30 11:49 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 04:24 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 413926c5 | .config | console log | report | ci2-upstream-kcsan-gce |