Zbigniew Jędrzejewski-Szmek
6998b54093
The kernel treats values below a certain threshold (minfmt->min_coredump which is initialized do ELF_EXEC_PAGESIZE, which varies between architectures, but is usually the same as PAGE_SIZE) as disabling coredumps [1]. Any core image below ELF_EXEC_PAGESIZE will yield an invalid backtrace anyway [2], so follow the kernel and not try to parse or store such images. [1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/coredump.c#n660 [2] systemd-coredump[16260]: Process 16258 (sleep) of user 1002 dumped core. Stack trace of thread 16258: #0 0x00007f1d8b3d3810 n/a (n/a) https://bugzilla.redhat.com/show_bug.cgi?id=1309172#c19
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