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Kernel+LibC: Introduce a "dumpable" flag for processes
This new flag controls two things: - Whether the kernel will generate core dumps for the process - Whether the EUID:EGID should own the process's files in /proc Processes are automatically made non-dumpable when their EUID or EGID is changed, either via syscalls that specifically modify those ID's, or via sys$execve(), when a set-uid or set-gid program is executed. A process can change its own dumpable flag at any time by calling the new sys$prctl(PR_SET_DUMPABLE) syscall. Fixes #4504.
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13 changed files with 199 additions and 7 deletions
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@ -31,6 +31,7 @@ set(LIBC_SOURCES
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string.cpp
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strings.cpp
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syslog.cpp
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sys/prctl.cpp
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sys/ptrace.cpp
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sys/select.cpp
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sys/socket.cpp
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