pkg/report: add format for "workqueue leaked lock or atomic" crashes

google · Feb 20, 2018 · 5abac19 · 5abac19
1 parent c8e73b9
commit 5abac19
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Showing 3 changed files with 44 additions and 0 deletions.
diff --git a/pkg/report/linux.go b/pkg/report/linux.go
@@ -729,6 +729,13 @@ var linuxOopses = []*oops{
 					skip: []string{"dump_stack", "preemption", "preempt"},
 				},
 			},
+			{
+				title: compile("BUG: workqueue leaked lock or atomic"),
+				report: compile("BUG: workqueue leaked lock or atomic(?:.*\\n)+?" +
+					".*last function: ([a-zA-Z0-9_]+)\\n"),
+				fmt:          "BUG: workqueue leaked lock or atomic in %[1]v",
+				noStackTrace: true,
+			},
 			{
 				title:        compile("BUG: executor-detected bug"),
 				fmt:          "BUG: executor-detected bug",

diff --git a/pkg/report/testdata/linux/report/211 b/pkg/report/testdata/linux/report/211
@@ -0,0 +1,26 @@
+TITLE: BUG: workqueue leaked lock or atomic in addrconf_dad_work
+
+[   52.362800] BUG: workqueue leaked lock or atomic: kworker/0:1/0x00000000/353
+[   52.362800]      last function: addrconf_dad_work
+[   52.374928] 1 lock held by kworker/0:1/353:
+[   52.379256]  #0:  (rcu_read_lock_bh){......}, at: [<ffffffff8294ef60>] hashlimit_mt_common.isra.11+0x190/0x22a0
+[   52.390498] CPU: 0 PID: 353 Comm: kworker/0:1 Not tainted 4.3.5+ #124
+[   52.397063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   52.406407] Workqueue: ipv6_addrconf addrconf_dad_work
+[   52.411790]  0000000000000000 ffff8801d834fc48 ffffffff81da5ce2 ffff8801d7e90300
+[   52.419811]  ffff8801d7e90300 ffff8801d28d8148 ffff8801daa1eac0 ffff8801d8b95400
+[   52.427836]  ffff8801d834fd48 ffffffff813639b5 ffffffff81363286 ffff8801d8b95448
+[   52.435843] Call Trace:
+[   52.438419]  [<ffffffff81da5ce2>] dump_stack+0xf6/0x184
+[   52.443770]  [<ffffffff813639b5>] process_one_work+0xf25/0x15a0
+[   52.449813]  [<ffffffff81363286>] ? process_one_work+0x7f6/0x15a0
+[   52.456031]  [<ffffffff81362a90>] ? pwq_dec_nr_in_flight+0x280/0x280
+[   52.462511]  [<ffffffff81364111>] worker_thread+0xe1/0xf70
+[   52.468119]  [<ffffffff81000a4e>] ? __schedule+0x3ee/0x13b0
+[   52.473820]  [<ffffffff81379281>] kthread+0x231/0x2c0
+[   52.478995]  [<ffffffff81364030>] ? process_one_work+0x15a0/0x15a0
+[   52.485297]  [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460
+[   52.491950]  [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460
+[   52.498604]  [<ffffffff82e2a86c>] ret_from_fork+0x5c/0x90
+[   52.504131]  [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460
+[   52.362800]      last function: not_the_function_you_are_looking_for
diff --git a/pkg/report/testdata/linux/report/212 b/pkg/report/testdata/linux/report/212
@@ -0,0 +1,11 @@
+TITLE: BUG: workqueue leaked lock or atomic in addrconf_dad_work
+
+[   50.490720] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
+[   51.132760] BUG: workqueue leaked lock or atomic: kworker/0:0/0x00000000/4
+[   51.132760]      last function: addrconf_dad_work
+[   51.144513] 1 lock held by kworker/0:0/4:
+[   51.148666]  #0:  (rcu_read_lock_bh){......}, at: [<ffffffff8294ef60>] hashlimit_mt_common.isra.11+0x190/0x22a0
+[   51.159587] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.3.5+ #124
+[   51.165970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   51.175313] Workqueue: ipv6_addrconf addrconf_dad_work
+[   51.180694]  00000000000