Title | Replies (including bot) | Last reply |
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linux-next test error: WARNING: suspicious RCU usage in ipmr_device_event | 3 (4) | 2020/04/23 08:49 |
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Title | Replies (including bot) | Last reply |
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linux-next test error: WARNING: suspicious RCU usage in ipmr_device_event | 3 (4) | 2020/04/23 08:49 |
tipc: TX() has been purged, node left! ============================= WARNING: suspicious RCU usage 5.7.0-rc2-next-20200424-syzkaller #0 Not tainted ----------------------------- net/ipv4/ipmr.c:1757 RCU-list traversed in non-reader section!! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by kworker/u4:5/398: #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880a9772138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x844/0x16a0 kernel/workqueue.c:2239 #1: ffffc90002327dc0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x878/0x16a0 kernel/workqueue.c:2243 #2: ffffffff8a5a2c30 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xa50 net/core/net_namespace.c:565 #3: ffffffff8a5aeba8 (rtnl_mutex){+.+.}-{3:3}, at: ip6gre_exit_batch_net+0x88/0x700 net/ipv6/ip6_gre.c:1602 stack backtrace: CPU: 1 PID: 398 Comm: kworker/u4:5 Not tainted 5.7.0-rc2-next-20200424-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 ipmr_device_event+0x240/0x2b0 net/ipv4/ipmr.c:1757 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] rollback_registered_many+0x75c/0xe70 net/core/dev.c:8835 unregister_netdevice_many.part.0+0x16/0x1e0 net/core/dev.c:10000 unregister_netdevice_many+0x36/0x50 net/core/dev.c:9999 ip6gre_exit_batch_net+0x4e8/0x700 net/ipv6/ip6_gre.c:1605 ops_exit_list.isra.0+0x103/0x150 net/core/net_namespace.c:189 cleanup_net+0x511/0xa50 net/core/net_namespace.c:603 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x38b/0x470 kernel/kthread.c:274 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2020/04/26 18:04 | linux-next | 8bdabd09ec86 | 0ce7569e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/26 18:04 | linux-next | 8bdabd09ec86 | 0ce7569e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/26 18:04 | linux-next | 8bdabd09ec86 | 0ce7569e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/26 02:55 | linux-next | 8bdabd09ec86 | 99b258dd | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/26 02:55 | linux-next | 8bdabd09ec86 | 99b258dd | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/26 02:55 | linux-next | 8bdabd09ec86 | 99b258dd | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/25 10:22 | linux-next | 8bdabd09ec86 | b8bb8e5f | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/25 10:22 | linux-next | 8bdabd09ec86 | b8bb8e5f | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/25 10:22 | linux-next | 8bdabd09ec86 | b8bb8e5f | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:27 | linux-next | 8bdabd09ec86 | 03d97a1b | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:27 | linux-next | 8bdabd09ec86 | 03d97a1b | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:27 | linux-next | 8bdabd09ec86 | 03d97a1b | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:02 | linux-next | aefe184e8144 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:02 | linux-next | aefe184e8144 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/24 12:02 | linux-next | aefe184e8144 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/22 07:23 | linux-next | a5840f9618a9 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/22 07:23 | linux-next | a5840f9618a9 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/22 07:23 | linux-next | a5840f9618a9 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 11:38 | linux-next | 39a314cd1168 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 11:38 | linux-next | 39a314cd1168 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 11:38 | linux-next | 39a314cd1168 | 2e44d63e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 06:50 | linux-next | 39a314cd1168 | 98a9f9e6 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 06:50 | linux-next | 39a314cd1168 | 98a9f9e6 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2020/04/21 06:50 | linux-next | 39a314cd1168 | 98a9f9e6 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |