pkg/ebpf/tracee: fix capabilities for procfs reads #2406
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Last merge had wrong permissions and there are still errors reading procfs when dropping capabilities. This commit fixes the issue.
geyslan
approved these changes
Nov 29, 2022
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Tested with:
sudo TRACEE_LOGGER_LVL=debug ./dist/tracee-ebpf --install-path /tmp/tracee --cache cache-type=mem --cache mem-cache-size=512 --output none --output option:parse-arguments --output option:detect-syscall --containers --trace event=openat --capabilities bypass=false &> output❯ grep ' cap' ./output
{"level":"debug","ts":1669738552.548426,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_sys_ptrace"}
{"level":"debug","ts":1669738552.5484693,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_dac_read_search"}
{"level":"debug","ts":1669738552.744597,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_bpf"}
{"level":"debug","ts":1669738552.7446027,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_ipc_lock"}
{"level":"debug","ts":1669738552.7446058,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_sys_resource"}
{"level":"debug","ts":1669738552.7446105,"msg":"e
8000
nabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_perfmon"}
{"level":"debug","ts":1669738553.1344943,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_sys_ptrace"}
{"level":"debug","ts":1669738553.1345005,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_dac_read_search"}
{"level":"debug","ts":1669738555.8535562,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_perfmon"}
{"level":"debug","ts":1669738555.8535662,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_bpf"}
{"level":"debug","ts":1669738555.8535728,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_ipc_lock"}
{"level":"debug","ts":1669738555.8535783,"msg":"enabling cap","pkg":"capabilities","file":"capabilities.go","line":310,"cap":"cap_sys_resource"}
Nice! I like this new logger |
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Last merge had wrong permissions and there are still errors reading procfs when dropping capabilities. This commit fixes the issue.