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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-30 11:38:50 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-31 00:09:09 +0200 |
| commit | c60a32ea4f459f99b98d383cad3b1ac7cfb3f4be (patch) | |
| tree | 83480f0b1d8073b96450ebcb43c15114a6bb1cc0 /lib/vdso/Kconfig | |
| parent | lib/vdso: Move fallback invocation to the callers (diff) | |
| download | linux-c60a32ea4f459f99b98d383cad3b1ac7cfb3f4be.tar.xz linux-c60a32ea4f459f99b98d383cad3b1ac7cfb3f4be.zip | |
lib/vdso/32: Provide legacy syscall fallbacks
To address the regression which causes seccomp to deny applications the
access to clock_gettime64() and clock_getres64() syscalls because they
are not enabled in the existing filters.
That trips over the fact that 32bit VDSOs use the new clock_gettime64() and
clock_getres64() syscalls in the fallback path.
Add a conditional to invoke the 32bit legacy fallback syscalls instead of
the new 64bit variants. The conditional can go away once all architectures
are converted.
Fixes: 00b26474c2f1 ("lib/vdso: Provide generic VDSO implementation")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1907301134470.1738@nanos.tec.linutronix.de
Diffstat (limited to 'lib/vdso/Kconfig')
0 files changed, 0 insertions, 0 deletions