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Issue 628857 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Aug 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 3
Type: Bug



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NULL dereference in WebContentsImpl::OnUpdateFaviconURL()

Project Member Reported by thestig@chromium.org, Jul 16 2016

Issue description

Seen on Clusterfuzz: https://cluster-fuzz.appspot.com/testcase?key=4670850255290368

#0 0x7fcc3163398d in is_active content/browser/renderer_host/render_view_host_impl.h:195:35
#1 0x7fcc3163398d in content::WebContentsImpl::OnUpdateFaviconURL(std::__1::vector<content::FaviconURL, std::__1::allocator<content::FaviconURL> > const&) content/browser/web_contents/web_contents_impl.cc:3800
#2 0x7fcc316333ab in DispatchToMethodImpl...
 
Project Member

Comment 1 by ClusterFuzz, Jul 16 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4670850255290368

Fuzzer: ipc_fuzzer_gen
Job Type: linux_asan_chrome_ipc
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000040
Crash State:
  content::WebContentsImpl::OnUpdateFaviconURL
  bool IPC::MessageT<ViewHostMsg_UpdateFaviconURL_Meta, std::__1::tuple<std::__1::
  content::WebContentsImpl::OnMessageReceived
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_ipc&range=400445:400609

Minimized Testcase (0.08 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96vpQdhxWR5EeEn_lAXVtjTaGu1UtUxyG9JvAQPRwwR0OcVd1IOCgUj8MeDE5yfGMBuNosaws5db94Xqd6QbR-GT3U_xzbNLrsAUNJefi5wZov1lc1y0200Hl5Ba4VozIiIFQO_CBOysJthzpVFv_v9nqThyQ?testcase_id=4670850255290368

Filer: thestig

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Project Member

Comment 2 by ClusterFuzz, Aug 10 2016

ClusterFuzz has detected this issue as fixed in range 410634:410757.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4670850255290368

Fuzzer: ipc_fuzzer_gen
Job Type: linux_asan_chrome_ipc
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000040
Crash State:
  content::WebContentsImpl::OnUpdateFaviconURL
  bool IPC::MessageT<ViewHostMsg_UpdateFaviconURL_Meta, std::__1::tuple<std::__1::
  content::WebContentsImpl::OnMessageReceived
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_ipc&range=400445:400609
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_ipc&range=410634:410757

Minimized Testcase (0.08 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96vpQdhxWR5EeEn_lAXVtjTaGu1UtUxyG9JvAQPRwwR0OcVd1IOCgUj8MeDE5yfGMBuNosaws5db94Xqd6QbR-GT3U_xzbNLrsAUNJefi5wZov1lc1y0200Hl5Ba4VozIiIFQO_CBOysJthzpVFv_v9nqThyQ?testcase_id=4670850255290368

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 3 by ClusterFuzz, Aug 10 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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