Linus Torvalds 92477dd1fa s390 eBPF JIT miscompilation issues fixes.
These issues can be used by an unprivileged local user to circumvent the verifier and gain root privileges.
 
 v4.1+
 s390/bpf: Fix optimizing out zero-extensions
 s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
 v5.5+
 s390/bpf: Fix branch shortening during codegen pass
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Merge tag 's390-5.15-ebpf-jit-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 eBPF fixes from Vasily Gorbik:
 "Johan Almbladh has implemented a number of new testcases for eBPF [1],
  which uncovered three miscompilation issues in the s390 eBPF JIT"

Link: https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com/ [1]

* tag 's390-5.15-ebpf-jit-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/bpf: Fix optimizing out zero-extensions
  s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
  s390/bpf: Fix branch shortening during codegen pass
2021-09-21 09:36:11 -07:00
..
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2021-09-11 00:38:47 +02:00
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2021-09-05 11:50:41 -07:00