Re: [PATCH v8 01/22] RISC-V: perf: fix resource cleanup on driver probe failure
Paul Walmsley <[email protected]>
| Newsgroups | org.kernel.vger.linux-devicetree,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users |
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| Message-ID | <[email protected]> |
On Wed, 1 Jul 2026, Atish Patra wrote: > From: Atish Patra <[email protected]> > > Sashiko pointed out various UAF and memory leak issues around > pmu_sbi_device_probe() error paths. > > If the probe fails, here are list of cleanups needed. > a. Already registered pmu must be freed > b. per cpu IRQ must be released > c. pmu_ctr_list data structure must be freed > d. cpu hotplug state must be cleaned up only if added. > > Fix the resource cleanup by reorganizing the code around probe failure. > > Reported-by: Sashiko AI <[email protected]> > Signed-off-by: Atish Patra <[email protected]> Thanks, queued for v7.3. - Paul