https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267082
Bug ID: 267082
Summary: sys/geom/uzip/g_uzip_zstd.c: guz_zstd_decompress error
when mounting
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
When trying to mount *some* zstandard-compressed uzip files in 14.0-CURRENT, we
get a kernel panic:
mdconfig -a -t vnode-o readonly -f /boot/rootfs.uzip
(...)
panic: guz_zstd_decompress: Expected 262144 bytes, got 163840
(...)
KDB: stack backtrace:
(...)
Adding a file with just some random data before making the uzip image can
*sometimes* "fix" this:
dd if=/dev/random of="${uzip}"/random.data bs=1M count=2
References:
* https://github.com/helloSystem/ISO/issues/389
* https://github.com/freebsd/freebsd-src/blob/main/sys/geom/uzip/g_uzip_zstd.c
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