https://bugs.kde.org/show_bug.cgi?id=410743
Bug ID: 410743
Summary: shmat() calls for 32-bit programs fail when running in
64-bit valgrind
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
a9fc7bc seems to have injected an error that breaks calls to shmat() on amd64
Linux. In this case I'm running a 32-bit executable. Details:
Emulation of shmat() fails with errno=ENOSYS after the syscall in
syswrap-generic.c:1974, as __NR_shmctl is 396. Checking
/usr/include/asm-generic/unistd.h on my RHEL6 system (2.6.32), __NR_shmctl is
defined as 195, and (oddly) in /usr/include/asm/unistd_64.h it is {re}defined
as 31. unistd_32.h does not define __NR_shmctl.
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