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| author | Miklos Szeredi <mszeredi@redhat.com> | 2025-08-13 17:11:05 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-08-15 16:11:47 +0200 |
| commit | f8f59a2c05dc16d19432e3154a9ac7bc385f4b92 (patch) | |
| tree | 4b163667fb2d7e6beabda8c3a4a9b626f323f809 /scripts/gdb/linux/mm.py | |
| parent | 15769d9478bdb3e09184c5adbab6e2d2dfcbf1b1 (diff) | |
copy_file_range: limit size if in compat mode
If the process runs in 32-bit compat mode, copy_file_range results can be
in the in-band error range. In this case limit copy length to MAX_RW_COUNT
to prevent a signed overflow.
Reported-by: Florian Weimer <fweimer@redhat.com>
Closes: https://lore.kernel.org/all/lhuh5ynl8z5.fsf@oldenburg.str.redhat.com/
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Link: https://lore.kernel.org/20250813151107.99856-1-mszeredi@redhat.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'scripts/gdb/linux/mm.py')
0 files changed, 0 insertions, 0 deletions