Re: [PATCH stable 5.15 0/2] backport: udf: Allocate name buffer in directory iterator on heap

On Thu, Nov 14, 2024 at 10:26:55PM +0100, Hauke Mehrtens wrote:

I am running into this compile error with Linux kernel 5.15.171 in OpenWrt on 32 bit systems.

fs/udf/namei.c: In function 'udf_rename':
fs/udf/namei.c:878:1: error: the frame size of 1144 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
  878 | }
      | ^
cc1: all warnings being treated as errors
make[2]: *** [scripts/Makefile.build:289: fs/udf/namei.o] Error 1
make[1]: *** [scripts/Makefile.build:552: fs/udf] Error 2

This problem was introduced with kernel 5.15.169. The first patch needs an extra linux/slab.h include on x86, which is the only modification I did to it compared to the upstream version.

These patches should go into 5.15. They were already backported to kernel 6.1.

Jan Kara (2): udf: Allocate name buffer in directory iterator on heap udf: Avoid directory type conversion failure due to ENOMEM

fs/udf/directory.c | 27 +++++++++++++++++++-------- fs/udf/udfdecl.h | 2 +- 2 files changed, 20 insertions(+), 9 deletions(-)

-- 2.47.0

Now queued up, thanks. greg k-h