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http://bugs.kde.org/show_bug.cgi?id=98444
Summary: valgrind fails to run against user-mode-linux (UML)
process - clone
Product: valgrind
Version: 2.3 CVS
Platform: RedHat RPMs
OS/Version: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
AssignedTo: jseward acm org
ReportedBy: das_deniz yahoo com
CC: user-mode-linux-devel lists sourceforge net
picking up this thread again:
http://marc.theaimsgroup.com/?l=user-mode-linux-devel&m=109152647819605&w=2
in valgrind 2.2.0 we had at best -- "clone(): not supported by Valgrind." and it
never went any further despite talk of old patches that would allow the clone
out from under valgrind to get to the next stopper.
but now in CVS HEAD, we no longer get this message, but instead we see:
SYSCALL[27839,1](120) special:sys_clone ( 11, 0x1BB4AFEC, 0x1BA40DA0, 0x8113360,
0x52BFE4F4 )==27839== Syscall param clone(parent_tidptr) contains uninitialised
byte(s)
==27839== at 0x1B9EE4C9: clone (in /lib/libc-2.3.2.so)
==27839== by 0x80BEBC8: can_do_skas (process.c:243)
==27839== by 0x80C2DB3: linux_main (um_arch.c:332)
==27839== by 0x80512BF: main (main.c:148)
==27839==
==27839== Syscall param clone(tlsinfo) contains uninitialised byte(s)
==27839== at 0x1B9EE4C9: clone (in /lib/libc-2.3.2.so)
==27839== by 0x80BEBC8: can_do_skas (process.c:243)
==27839== by 0x80C2DB3: linux_main (um_arch.c:332)
==27839== by 0x80512BF: main (main.c:148)
==27839==
==27839== Syscall param clone(child_tidptr) contains uninitialised byte(s)
==27839== at 0x1B9EE4C9: clone (in /lib/libc-2.3.2.so)
==27839== by 0x80BEBC8: can_do_skas (process.c:243)
==27839== by 0x80C2DB3: linux_main (um_arch.c:332)
==27839== by 0x80512BF: main (main.c:148)
clone(fork): process 27839 created child 27840
--> 0 (0x0)
==27840==
==27840== Jump to the invalid address stated on the next line
==27840== at 0x7: ???
==27840== Address 0x7 is not stack'd, malloc'd or (recently) free'd
==27840==
==27840== Process terminating with default action of signal 11 (SIGSEGV)
==27840== Access not within mapped region at address 0x7
==27840== at 0x7: ???
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