Michael Chang via Grub-devel <grub-devel@gnu.org> on Fri, 2025/02/21 15:55: > On Thu, Feb 20, 2025 at 12:27:12PM +0100, Tobias Powalowski via Grub-devel > wrote: > > It failed for my co-maintainer in 2 cases: > > > > - loopback device seems to be broken > > Is the loopback file placed on an ext2/3/4 file system?
It is... > If so, it might > be affected by '7e2f750f0a fs/ext2: Fix out-of-bounds read for inline > extents'. Please test if this new patch helps. > > https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00115.html ... and that patch fixes the loopback functionality for me. Just for reference... Without that patch the files were read with their correct size, but contained just null bytes: grub> loopback loop archlinux.iso grub> cat (loop)/arch/version <0><0><0><0><0><0><0><0><0><0><0><0><0><0><0><0><0> grub> So one fixed, thanks! -- main(a){char*c=/* Schoene Gruesse */"B?IJj;MEH" "CX:;",b;for(a/* Best regards my address: */=0;b=c[a++];) putchar(b-1/(/* Chris cc -ox -xc - && ./x */b/42*2-3)*42);}
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