This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1978038 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: linux (Ubuntu Trusty) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1978038 Title: test_brk_collision in ubuntu_qrt_kernel_aslr_collisions failed on T Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: Incomplete Status in linux source package in Trusty: Incomplete Bug description: Issue found on 3.13.0-190.241 lowlatency kernel with node gonzo (passed with generic kernel on another node onibi) Test fail rate 4 out of 4 attempts. Test log: test_brk_collision (__main__.KernelASLRCollisionsTest) Check if brk crashes into mmap in 10,000 execs (i386, nx-emu only) (LP: #452175) ... FAIL test_stack_collision (__main__.KernelASLRCollisionsTest) Check if stack crashes into mmap in 100,000 execs (amd64 only?) (LP: #504164) ... ok ====================================================================== FAIL: test_brk_collision (__main__.KernelASLRCollisionsTest) Check if brk crashes into mmap in 10,000 execs (i386, nx-emu only) (LP: #452175) ---------------------------------------------------------------------- Traceback (most recent call last): File "./test-kernel-aslr-collisions.py", line 95, in test_brk_collision self.assertShellExitEquals(0, ['./explode-brk']) File "/home/ubuntu/autotest/client/tmp/ubuntu_qrt_kernel_aslr_collisions/src/qa-regression-testing/scripts/testlib.py", line 1203, in assertShellExitEquals self.assertEqual(expected, rc, msg + result + report) AssertionError: Got exit code 1, expected 0 Command: './explode-brk' Output: 7f59c8fd8000-7f59c9196000 r-xp 00000000 08:01 3281122 /lib/x86_64-linux-gnu/libc-2.19.so 7f59c9196000-7f59c9396000 ---p 001be000 08:01 3281122 /lib/x86_64-linux-gnu/libc-2.19.so 7f59c9396000-7f59c939a000 r--p 001be000 08:01 3281122 /lib/x86_64-linux-gnu/libc-2.19.so 7f59c939a000-7f59c939c000 rw-p 001c2000 08:01 3281122 /lib/x86_64-linux-gnu/libc-2.19.so 7f59c939c000-7f59c93a1000 rw-p 00000000 00:00 0 7f59c93a8000-7f59c93cb000 r-xp 00000000 08:01 3281111 /lib/x86_64-linux-gnu/ld-2.19.so 7f59c95ca000-7f59c95cb000 r--p 00022000 08:01 3281111 /lib/x86_64-linux-gnu/ld-2.19.so 7f59c95cb000-7f59c95cc000 rw-p 00023000 08:01 3281111 /lib/x86_64-linux-gnu/ld-2.19.so 7f59c95cc000-7f59c95cd000 rw-p 00000000 00:00 0 7f59c95d0000-7f59c95d1000 r-xp 00000000 08:01 15470803 /home/ubuntu/autotest/client/tmp/ubuntu_qrt_kernel_aslr_collisions/src/qa-regression-testing/scripts/kernel-aslr-collisions/explode-brk 7f59c97d0000-7f59c97d1000 r--p 00000000 08:01 15470803 /home/ubuntu/autotest/client/tmp/ubuntu_qrt_kernel_aslr_collisions/src/qa-regression-testing/scripts/kernel-aslr-collisions/explode-brk 7f59c97d1000-7f59c97d2000 rw-p 00001000 08:01 15470803 /home/ubuntu/autotest/client/tmp/ubuntu_qrt_kernel_aslr_collisions/src/qa-regression-testing/scripts/kernel-aslr-collisions/explode-brk 7f59c97d4000-7f59c97d8000 rw-p 00000000 00:00 0 [heap] 7fffd59ff000-7fffd5a20000 rw-p 00000000 00:00 0 [stack] 7fffd5a20000-7fffd5a22000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] FAIL: unable to use brk area at 0x7f59c97d4000 - 0x7f59c97dc000 ---------------------------------------------------------------------- Ran 5 tests in 467.450s FAILED (failures=1) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1978038/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp