diff options
| author | Owen Anderson <oanderso@google.com> | 2021-07-01 22:12:55 +0000 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2021-07-12 21:54:46 +0200 |
| commit | c093364f4d911c1d59949b122f2d4c290986fff9 (patch) | |
| tree | 2f936418ccc6218017e4623641241eb7809fa97c /linux-user/main.c | |
| parent | 4f6a9f84f1d29b61e3ebd3bfd774d9fd5afe60c6 (diff) | |
| download | focaccia-qemu-c093364f4d911c1d59949b122f2d4c290986fff9.tar.gz focaccia-qemu-c093364f4d911c1d59949b122f2d4c290986fff9.zip | |
fd-trans: Fix race condition on reallocation of the translation table.
The mapping from file-descriptors to translator functions is not guarded on realloc which may cause invalid function pointers to be read from a previously deallocated mapping. Signed-off-by: Owen Anderson <oanderso@google.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210701221255.107976-1-oanderso@google.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 2fb3a366a6..37ed50d98e 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -48,6 +48,7 @@ #include "target_elf.h" #include "cpu_loop-common.h" #include "crypto/init.h" +#include "fd-trans.h" #ifndef AT_FLAGS_PRESERVE_ARGV0 #define AT_FLAGS_PRESERVE_ARGV0_BIT 0 @@ -829,6 +830,8 @@ int main(int argc, char **argv, char **envp) cpu->opaque = ts; task_settid(ts); + fd_trans_init(); + ret = loader_exec(execfd, exec_path, target_argv, target_environ, regs, info, &bprm); if (ret != 0) { |