Description of problem: kernelshark coredump just after start capture the data. Version-Release number of selected component (if applicable): Fedora 31 (5.5.7-200.fc31.x86_64) kernelshark-2.7-7.fc31.x86_64 How reproducible: 100% Steps to Reproduce: 1. Execute kernelshark 2. Select "capture" from the menu. Actual results: The kernelshark coredump. # kernelshark *** buffer overflow detected ***: kernelshark terminated Aborted (core dumped) # No corefile was generated even if I set "ulimit -c unlimited" Abrtd didn't capture the corefile. Expected results: kernelshark collect some data without coredump. Additional info: I couldn't find the Component "kernelshark" when I open this bug in Bugzilla drop down list. "rpm -qi kernelshark" tells bug report URL is trace-cmd. So I report this bug to trace-cmd.
Strace close(11) = 0 stat("/sys/kernel/tracing/events/fs_dax/dax_pmd_insert_mapping", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 stat("/sys/kernel/tracing/events/fs_dax/dax_pmd_insert_mapping/format", {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 openat(AT_FDCWD, "/sys/kernel/tracing/events/fs_dax/dax_pmd_insert_mapping/format", O_RDONLY) = 11 read(11, "name: dax_pmd_insert_mapping\nID:"..., 8192) = 1363 read(11, "", 8192) = 0 close(11) = 0 openat(AT_FDCWD, "/dev/tty", O_RDWR|O_NOCTTY|O_NONBLOCK) = 11 writev(11, [{iov_base="*** ", iov_len=4}, {iov_base="buffer overflow detected", iov_len=24}, {iov_base=" ***: ", iov_len=6}, {iov_base="kernelshark", iov_len=11}, {iov_base=" terminated\n", iov_len=12}], 5) = 57 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3004bf3000 rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0 getpid() = 119335 gettid() = 119335 tgkill(119335, 119335, SIGABRT) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 --- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=119335, si_uid=0} --- +++ killed by SIGABRT (core dumped) +++
This package has changed maintainer in the Fedora. Reassigning to the new maintainer of this component.
This message is a reminder that Fedora 31 is nearing its end of life. Fedora will stop maintaining and issuing updates for Fedora 31 on 2020-11-24. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '31'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 31 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 31 changed to end-of-life (EOL) status on 2020-11-24. Fedora 31 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.