Hi,
I run a command on x86 as below:
strace -f -o ./strace-valg-hello valgrind ./hello
(hello.c is just printf hello world.)
And then "vi ./strace-valg-hello", I find there is a Segmentation fault in
strace-valg-hello (as follows).
Why there is a "Segmentation fault" ? And why it doesn't display Segmentation
fault when I run dmesg ?
3212 mmap2(0x64672000, 65536, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, 0, 0) = 0x64672000
3212 uname({sys="Linux", node="linux-ym6x", ...}) = 0
3212 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
3212 gettid() = 3212
3212 mmap2(0xbea35000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, 0, 0) = 0xbea35000
3212 rt_sigreturn(0xbea36234) = -1096589392
3212 getpid() = 3212
Thank you!
Best wishes to you!
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