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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Aug 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in unicodetoupper

Project Member Reported by ClusterFuzz, Jun 28 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6492328458190848

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=399437:399478

Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv953rffdKuDe6B0yGHzcGucCRGERL-IAXIjdftID8o35Cu8mZJurX8KWRaopVGVLJjEMP_1zs-vn1ua4M-fzoc3Vu54Au9zmlKVECz3pWA71RXbCxKzn0IM2Q5Nn2PNVG3nGuP2eQFR0yiu_3EUEF-t0M0bfbw?testcase_id=6492328458190848

Filer: tanin

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 

Comment 1 by palmer@chromium.org, Jun 28 2016

Cc: groby@chromium.org
Owner: rouslan@chromium.org
Status: Assigned (was: Available)
Cc: -groby@chromium.org rouslan@chromium.org
Owner: groby@chromium.org

Comment 3 by palmer@chromium.org, Jun 28 2016

Components: UI>Internationalization
Labels: M-54
Project Member

Comment 4 by sheriffbot@chromium.org, Jun 29 2016

Labels: Pri-1
Project Member

Comment 5 by ClusterFuzz, Jul 5 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6639666686328832

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium


Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96-axs5576WlrZTeZaLygjO4yEcIrQuhHr8o5r0SjsX6BUEIeEMwa1mclcfGJ7r2dnFKDdJaHv-9fKOyOVR3j678IP54pcHb0hLxD_o7ACNhTTH-49hD1LFngRqvi-034p8kJg50s6NpfDryEAvuOkKdaeXzw?testcase_id=6639666686328832

Filer: mmoroz

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 6 by ClusterFuzz, Jul 6 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5356198706806784

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium


Minimized Testcase (0.04 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95aXcLPiaAKvln0UZQrwshc8C3fADxb_essqZOLZ1bfXQl4m-S-iVsqfhv8WSRCk41LJz3-Ed4ctwC0C-LDnRiTZ3CLFEtAMt8YMxeXa83KCmaC-3urqWEJlzepXtXpoXYUfvQuAifGT6-5dCvuXBPwIs4KLQ?testcase_id=5356198706806784

Filer: mmoroz

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 7 by ClusterFuzz, Jul 6 2016

ClusterFuzz has detected this testcase as flaky and is unable to reproduce it in the original crash revision. Skipping fixed testing check and marking it as potentially fixed.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6639666686328832

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium


Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96-axs5576WlrZTeZaLygjO4yEcIrQuhHr8o5r0SjsX6BUEIeEMwa1mclcfGJ7r2dnFKDdJaHv-9fKOyOVR3j678IP54pcHb0hLxD_o7ACNhTTH-49hD1LFngRqvi-034p8kJg50s6NpfDryEAvuOkKdaeXzw?testcase_id=6639666686328832

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 8 by ClusterFuzz, Jul 8 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6106760616345600

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium


Minimized Testcase (0.08 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97z9k811-2xHkd_0RD7ROFf6xKixkALc_t5rOUrydZLaP__32Mt8jhFl8GbRwf-_l9ern6-UZXvpOcxE-s0Aj5lznga7RPkyB-TCyBh-5pyzbEJEyOAJoqFmyHuK1LXS8nrYcUz_xNNUWzcKSuLazYA9T6Hrg?testcase_id=6106760616345600
I-%--'r*soverigusubI---s-I'r*n<�<?xm<?xml?laarns>8pecxie-88---s?---<ies?xml;>-


Filer: mmoroz

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 9 by ClusterFuzz, Jul 12 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5409036669550592

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Low

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=401824:401851

Minimized Testcase (0.16 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96vs1nysO-RAeQKsk3Y84N-tJgNmD-KCm7RK-xT4TVeo5glUsU7WCX7PySTRmirJAOXvUDO85bBNUfdkshSu_S8GAkmuaGjlTR2TI2pO8NxyjFeDlxM-TelxEDNhWkbCH0_KgPh8hwcEaVXEa9143PL_VNiEA?testcase_id=5409036669550592

Additional requirements: Requires Gestures

Filer: ochang

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 10 by sheriffbot@chromium.org, Jul 13 2016

groby: Uh oh! This issue still open and hasn't been updated in the last 14 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 11 by sheriffbot@chromium.org, Jul 21 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 12 by sheriffbot@chromium.org, Jul 27 2016

groby: Uh oh! This issue still open and hasn't been updated in the last 28 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 13 by ClusterFuzz, Jul 29 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5381685554446336

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=401824:401851

Minimized Testcase (0.03 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv962Jy0-T1Rwjy2ukL9iq9vxfJ4cq_lZ0OoWyOuaBnmoSkklJomqfwJKnVYH3rj2LrIEVEssL_1pEDEqba8A4oDw8J72S2ugeafPN5uA0jiKkVAYUgu9WJijm1wVCQHKvOggcVvyRtr_lCHA4r02cigKgnGeIg?testcase_id=5381685554446336
I+.----*wlistNer-<?xml?>-�i-#fx


Filer: tanin

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
Project Member

Comment 14 by ClusterFuzz, Aug 9 2016

ClusterFuzz has detected this issue as fixed in range 410288:410335.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5356198706806784

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=410288:410335

Minimized Testcase (0.04 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95aXcLPiaAKvln0UZQrwshc8C3fADxb_essqZOLZ1bfXQl4m-S-iVsqfhv8WSRCk41LJz3-Ed4ctwC0C-LDnRiTZ3CLFEtAMt8YMxeXa83KCmaC-3urqWEJlzepXtXpoXYUfvQuAifGT6-5dCvuXBPwIs4KLQ?testcase_id=5356198706806784

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
groby: is this one a valid bug? (ignore the #14, it still reproduces).
Any updates?  M54 branch point is coming up and this is currently a beta blocker.  Please close if it's not a valid bug.
Project Member

Comment 17 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414856:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5381685554446336

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=401824:401851
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=414856:414881

Minimized Testcase (0.03 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv962Jy0-T1Rwjy2ukL9iq9vxfJ4cq_lZ0OoWyOuaBnmoSkklJomqfwJKnVYH3rj2LrIEVEssL_1pEDEqba8A4oDw8J72S2ugeafPN5uA0jiKkVAYUgu9WJijm1wVCQHKvOggcVvyRtr_lCHA4r02cigKgnGeIg?testcase_id=5381685554446336
I+.----*wlistNer-<?xml?>-�i-#fx


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 18 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414856:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5356198706806784

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=414856:414881

Minimized Testcase (0.04 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95aXcLPiaAKvln0UZQrwshc8C3fADxb_essqZOLZ1bfXQl4m-S-iVsqfhv8WSRCk41LJz3-Ed4ctwC0C-LDnRiTZ3CLFEtAMt8YMxeXa83KCmaC-3urqWEJlzepXtXpoXYUfvQuAifGT6-5dCvuXBPwIs4KLQ?testcase_id=5356198706806784

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 19 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414856:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5409036669550592

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Low

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=401824:401851
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=414856:414881

Minimized Testcase (0.16 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96vs1nysO-RAeQKsk3Y84N-tJgNmD-KCm7RK-xT4TVeo5glUsU7WCX7PySTRmirJAOXvUDO85bBNUfdkshSu_S8GAkmuaGjlTR2TI2pO8NxyjFeDlxM-TelxEDNhWkbCH0_KgPh8hwcEaVXEa9143PL_VNiEA?testcase_id=5409036669550592

Additional requirements: Requires Gestures

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 20 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414856:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6492328458190848

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=414856:414881

Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv953rffdKuDe6B0yGHzcGucCRGERL-IAXIjdftID8o35Cu8mZJurX8KWRaopVGVLJjEMP_1zs-vn1ua4M-fzoc3Vu54Au9zmlKVECz3pWA71RXbCxKzn0IM2Q5Nn2PNVG3nGuP2eQFR0yiu_3EUEF-t0M0bfbw?testcase_id=6492328458190848

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 21 by ClusterFuzz, Aug 27 2016

ClusterFuzz has detected this issue as fixed in range 414856:414881.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6106760616345600

Fuzzer: libfuzzer_hunspell_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  unicodetoupper
  Hunspell::mkinitcap
  Hunspell::suggest
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=401824:401851
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=414856:414881

Minimized Testcase (0.08 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97z9k811-2xHkd_0RD7ROFf6xKixkALc_t5rOUrydZLaP__32Mt8jhFl8GbRwf-_l9ern6-UZXvpOcxE-s0Aj5lznga7RPkyB-TCyBh-5pyzbEJEyOAJoqFmyHuK1LXS8nrYcUz_xNNUWzcKSuLazYA9T6Hrg?testcase_id=6106760616345600
I-%--'r*soverigusubI---s-I'r*n<�<?xm<?xml?laarns>8pecxie-88---s?---<ies?xml;>-


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 22 by ClusterFuzz, Aug 27 2016

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

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

Comment 23 by sheriffbot@chromium.org, Aug 28 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 24 by sheriffbot@chromium.org, Dec 4 2016

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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