Junhao He b660420f44 perf: hisi: Fix use-after-free when register pmu fails ... [ Upstream commit b805cafc60 ] When we fail to register the uncore pmu, the pmu context may not been allocated. The error handing will call cpuhp_state_remove_instance() to call uncore pmu offline callback, which migrate the pmu context. Since that's liable to lead to some kind of use-after-free. Use cpuhp_state_remove_instance_nocalls() instead of cpuhp_state_remove_instance() so that the notifiers don't execute after the PMU device has been failed to register. Fixes: a0ab25cd82 ("drivers/perf: hisi: Add support for HiSilicon PA PMU driver") FIxes: 3bf30882c3 ("drivers/perf: hisi: Add support for HiSilicon SLLC PMU driver") Signed-off-by: Junhao He <hejunhao3@huawei.com> Link: https://lore.kernel.org/r/20231024113630.13472-1-hejunhao3@huawei.com Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-11-20 11:52:01 +01:00
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Kconfig	drivers/perf: hisi: add driver for HNS3 PMU	2022-07-06 11:25:53 +01:00
Makefile	drivers/perf: hisi: add driver for HNS3 PMU	2022-07-06 11:25:53 +01:00
hisi_pcie_pmu.c	drivers/perf: hisi_pcie: Check the type first in pmu::event_init()	2023-11-20 11:52:01 +01:00
hisi_uncore_cpa_pmu.c	…
hisi_uncore_ddrc_pmu.c	…
hisi_uncore_hha_pmu.c	…
hisi_uncore_l3c_pmu.c	…
hisi_uncore_pa_pmu.c	perf: hisi: Fix use-after-free when register pmu fails	2023-11-20 11:52:01 +01:00
hisi_uncore_pmu.c	…
hisi_uncore_pmu.h	…
hisi_uncore_sllc_pmu.c	perf: hisi: Fix use-after-free when register pmu fails	2023-11-20 11:52:01 +01:00
hns3_pmu.c	drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process	2023-11-20 11:52:01 +01:00