tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Merge tag 'probes-fixes-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing probe fix from Masami Hiramatsu:
"Reject non-closed empty immediate strings

Fix a buffer index underflow bug that occurred when passing an
non-closed empty immediate string to the probe event"

* tag 'probes-fixes-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/probe: reject non-closed empty immediate strings

Linus Torvalds 558b9206 6b5199f4

+1 -1
+1 -1
kernel/trace/trace_probe.c
··· 1068 1068 { 1069 1069 size_t len = strlen(str); 1070 1070 1071 - if (str[len - 1] != '"') { 1071 + if (!len || str[len - 1] != '"') { 1072 1072 trace_probe_log_err(offs + len, IMMSTR_NO_CLOSE); 1073 1073 return -EINVAL; 1074 1074 }