Ubuntu
llvm-toolchain-14 package

  1. Bug #2048768
  2. Comment #5

Comment 5 for bug 2048768

Revision history for this message
Danilo Egea Gondolfo (danilogondolfo) wrote :

The same problem was reported on Arch and they could confirm it started due to changes in the kernel related to ASLR.

https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues/20

Relevant changed from kernel 6.5 to 6.6 on Ubuntu:

-CONFIG_ARCH_MMAP_RND_BITS=28
+CONFIG_ARCH_MMAP_RND_BITS=32
 CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y
-CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8
+CONFIG_ARCH_MMAP_RND_COMPAT_BITS=16

Setting vm.mmap_rnd_bits to 28 bits seems to be enough to workaround the problem.