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ffffffffff600000" dmesg spam
Test tries to access vsyscall page and if it doesn't exist gets SIGSEGV
which can spam into dmesg. However the segfault happens by design.
Handle it and carry information via exit code to parent.
Link: http://lkml.kernel.org/r/20190524181256.GA2260@avx2
Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Silly sizeof(pointer) vs sizeof(uint8_t[]) bug.
Link: http://lkml.kernel.org/r/20190414123009.GA12971@avx2
Fixes: e483b0208784 ("proc: test /proc/*/maps, smaps, smaps_rollup, statm")
Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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: selftests: proc: proc-pid-vm
: ========================================
: proc-pid-vm: proc-pid-vm.c:277: main: Assertion `rv == strlen(buf0)' failed.
: Aborted
Because the vsyscall mapping is enabled. Read from vsyscall page to tell
if vsyscall is being used.
Link: http://lkml.kernel.org/r/20190307183204.GA11405@avx2
Link: http://lkml.kernel.org/r/20190219094722.GB28258@shao2-debian
Fixes: 34aab6bec23e7e9 ("proc: test /proc/*/maps, smaps, smaps_rollup, statm")
Signed-off-by: Alexey Dobriyan <[email protected]>
Reported-by: kernel test robot <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Start testing VM related fiels found in per-process files.
Do it by jiting small executable which brings its address space to
precisely known state, then comparing /proc/*/maps, smaps, smaps_rollup,
and statm files to expected values.
Currently only x86_64 is supported.
[[email protected]: exit correctly in /proc/*/maps test]
Link: http://lkml.kernel.org/r/20190206073659.GB15311@avx2
Link: http://lkml.kernel.org/r/20190203165806.GA14568@avx2
Signed-off-by: Alexey Dobriyan <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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