diff options
Diffstat (limited to 'executor/executor_linux.h')
| -rw-r--r-- | executor/executor_linux.h | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/executor/executor_linux.h b/executor/executor_linux.h index 48269fe83..8f0dc579a 100644 --- a/executor/executor_linux.h +++ b/executor/executor_linux.h @@ -246,43 +246,5 @@ static feature_t features[] = { {"binfmt_misc", setup_binfmt_misc}, {"kcsan", setup_kcsan}, {"usb", setup_usb}, + {"sysctl", setup_sysctl}, }; - -// Note: this is not executed in C reproducers. -static void setup_machine() -{ - static struct { - const char* name; - const char* data; - } files[] = { - // nmi_check_duration() prints "INFO: NMI handler took too long" on slow debug kernels. - // It happens a lot in qemu, and the messages are frequently corrupted - // (intermixed with other kernel output as they are printed from NMI) - // and are not matched against the suppression in pkg/report. - // This write prevents these messages from being printed. - {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"}, - // This is part of deterministic hang/stall detection. - // Don't change this without considering workqueue.watchdog_thresh, - // CONFIG_RCU_CPU_STALL_TIMEOUT and CONFIG_DEFAULT_HUNG_TASK_TIMEOUT. - {"/proc/sys/kernel/watchdog_thresh", "55"}, - {"/proc/sys/kernel/hung_task_check_interval_secs", "20"}, - // This gives more interesting coverage. - {"/proc/sys/net/core/bpf_jit_enable", "1"}, - // bpf_jit_kallsyms and disabling bpf_jit_harden are required - // for unwinding through bpf functions. - {"/proc/sys/net/core/bpf_jit_kallsyms", "1"}, - {"/proc/sys/net/core/bpf_jit_harden", "0"}, - // This is to provide more useful info in crash reports. - {"/proc/sys/kernel/kptr_restrict", "0"}, - {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"}, - // This is to restrict effects of recursive exponential mounts, for details see - // "mnt: Add a per mount namespace limit on the number of mounts" commit. - {"/proc/sys/fs/mount-max", "100"}, - // Dumping all tasks to console can take too long. - {"/proc/sys/vm/oom_dump_tasks", "0"}, - }; - for (size_t i = 0; i < ARRAY_SIZE(files); i++) { - if (!write_file(files[i].name, files[i].data)) - printf("write to %s failed: %s\n", files[i].name, strerror(errno)); - } -} |