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authorAleksandr Nogikh <nogikh@google.com>2023-12-18 11:58:39 +0100
committerAleksandr Nogikh <nogikh@google.com>2023-12-19 00:16:19 +0000
commit3ad490ea48468e50fe91f6f6b2ca4cbc74d924bf (patch)
treed6960156ac4fcbeb908fbbbba79c8716d8e47172 /executor/common_ext_example.h
parent924661f4beda6a647079237cc843df44626fc44b (diff)
executor: introduce syz_pidfd_open()
This kernel interface provides access to fds of other processes, which is readily abused by the fuzzer to mangle parent syz-executor fds. Pid=1 is the parent syz-executor process when PID namespace is created. Sanitize it in the new syz_pidfd_open() pseudo-syscall. We could not patch the argument in sys/linux/init.go because the first argument is a resource.
Diffstat (limited to 'executor/common_ext_example.h')
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