YWHKKX commented on PR #19704:
URL: https://github.com/apache/nuttx/pull/19704#issuecomment-5213294218
Thanks @linguini1.
Concrete test setup
-------------------
* Host: WSL2, Ubuntu 24.04, x86_64
* Toolchain: gcc 13 + gcc-multilib
* Repos: nuttx + nuttx-apps (side by side)
* Configure:
./tools/configure.sh -a ../nuttx-apps sim:<local-defconfig>
(local sim defconfig enables at least:
CONFIG_SIM_M32=y,
CONFIG_MM_KASAN=y,
CONFIG_MM_KASAN_INSTRUMENT_ALL=y,
CONFIG_PSEUDOFS_FILE=y,
and a small init-time test app)
* Build/run:
$ make -j$(nproc)
$ ./nuttx
The init-time test opens a pseudofile, seeks to a large offset,
then writes a small buffer.
Runtime logs
------------
Before this PR:
open: OK
lseek: OK
write: Segmentation fault
exit status: 139
After this PR:
open: OK
lseek: OK
write returned -1 errno=12
(-ENOMEM, no crash)
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