#!/bin/sh -efu | |
# Check decoding of successful PERF_EVENT_IOC_{ID,QUERY_BPF} ioctls. | |
. "${srcdir=.}/scno_tampering.sh" | |
: ${IOCTL_INJECT_START=256} | |
: ${IOCTL_INJECT_RETVAL=42} | |
run_prog | |
run_strace -a35 -e trace=ioctl \ | |
-e inject=ioctl:retval="${IOCTL_INJECT_RETVAL}":when="${IOCTL_INJECT_START}+" \ | |
../ioctl_perf-success "${IOCTL_INJECT_START}" "${IOCTL_INJECT_RETVAL}" > "$EXP" | |
grep -v '^ioctl([012][,<]' < "$LOG" > "$OUT" | |
match_diff "$OUT" "$EXP" |