libFuzzer_chromeos_rtnl_handler_fuzzer: misaligned address |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6105161983066112 Fuzzer: libFuzzer_chromeos_rtnl_handler_fuzzer Job Type: libfuzzer_asan_chromeos Platform Id: linux Crash Type: Misaligned-address Crash Address: Crash State: NULL Sanitizer: address (ASAN) Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6105161983066112 Issue filed automatically. See https://chromium.googlesource.com/chromiumos/docs/+/master/fuzzing.md#Reproducing-crashes-from-ClusterFuzz for more information. Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.
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Jul 11
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Jul 23
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Jul 23
(To toolchain folks: that subject is nonsense.) I'll tentatively take a look, but it's not high priority IMO.
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Jul 26
'Twas easy enough to fix: https://chromium-review.googlesource.com/c/aosp/platform/system/connectivity/shill/+/1150877
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Jul 26
The following revision refers to this bug: https://chromium.googlesource.com/aosp/platform/system/connectivity/shill/+/6f953ade994823a5d918274dac9b18de621f18f2 commit 6f953ade994823a5d918274dac9b18de621f18f2 Author: Brian Norris <briannorris@chromium.org> Date: Thu Jul 26 11:07:38 2018 shill: rtnl_handler: always align 2nd netlink message Netlink headers are always aligned at NLMSG_ALIGNTO (4 byte) boundaries, even if the previous message is not aligned. Use the NLMSG_ALIGN() helper to get us to the right place. BUG= chromium:862539 TEST=unit tests; fuzzer test case (see bug); basic Wifi tests Change-Id: I7aa8f707a48ff457dab598adfba0daa2aa6a0ef1 Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1150877 Reviewed-by: Ben Chan <benchan@chromium.org> [modify] https://crrev.com/6f953ade994823a5d918274dac9b18de621f18f2/net/rtnl_handler.cc
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Jul 26
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Jul 31
Issue 868668 has been merged into this issue. |
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Comment 1 by ClusterFuzz
, Jul 11Labels: ClusterFuzz-Auto-CC