diff options
Diffstat (limited to 'compel/arch/aarch64/src/lib/infect.c')
| -rw-r--r-- | compel/arch/aarch64/src/lib/infect.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/compel/arch/aarch64/src/lib/infect.c b/compel/arch/aarch64/src/lib/infect.c index 7b75da890..d0189f003 100644 --- a/compel/arch/aarch64/src/lib/infect.c +++ b/compel/arch/aarch64/src/lib/infect.c @@ -207,6 +207,7 @@ static struct hwbp_cap *ptrace_get_hwbp_cap(pid_t pid) int ptrace_set_breakpoint(pid_t pid, void *addr) { + k_rtsigset_t block; struct hwbp_cap *info = ptrace_get_hwbp_cap(pid); struct user_hwdebug_state regs = {}; unsigned int ctrl = 0; @@ -242,6 +243,17 @@ int ptrace_set_breakpoint(pid_t pid, void *addr) if (ptrace(PTRACE_SETREGSET, pid, NT_ARM_HW_BREAK, &iovec)) return -1; + /* + * FIXME(issues/1429): SIGTRAP can't be blocked, otherwise its handler + * will be reset to the default one. + */ + ksigfillset(&block); + ksigdelset(&block, SIGTRAP); + if (ptrace(PTRACE_SETSIGMASK, pid, sizeof(k_rtsigset_t), &block)) { + pr_perror("Can't block signals for %d", pid); + return -1; + } + if (ptrace(PTRACE_CONT, pid, NULL, NULL) != 0) { pr_perror("Unable to restart the stopped tracee process %d", pid); return -1; |