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| author | SooChan Lim <sc1.lim@samsung.com> | 2018-10-29 15:57:28 +0900 |
|---|---|---|
| committer | SooChan Lim <sc1.lim@samsung.com> | 2018-10-29 15:57:28 +0900 |
| commit | 7e4e986273730eddfef0242a9da9b0fd081753b9 (patch) | |
| tree | 21ecc2bc4fb07242341501c03ebb62ed5ddab9b4 | |
| parent | 3388ed6367e3b8d2ff368a0e5efa24a5c9240e0f (diff) | |
| download | libtbm-shm-7e4e986273730eddfef0242a9da9b0fd081753b9.tar.gz libtbm-shm-7e4e986273730eddfef0242a9da9b0fd081753b9.tar.bz2 libtbm-shm-7e4e986273730eddfef0242a9da9b0fd081753b9.zip | |
check if the real_size is negative
Change-Id: I8296ac9ed31763c5ad00ec43754eb33913dd6a2a
| -rw-r--r-- | src/tbm_bufmgr_shm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/tbm_bufmgr_shm.c b/src/tbm_bufmgr_shm.c index 3315b68..7de5bfb 100644 --- a/src/tbm_bufmgr_shm.c +++ b/src/tbm_bufmgr_shm.c @@ -668,6 +668,14 @@ tbm_shm_bufmgr_import_fd(tbm_backend_bufmgr_data *bufmgr_data, tbm_fd key, tbm_e } real_size = lseek(key, 0, SEEK_END); + if (real_size < 0) { + TBM_SHM_LOG("[libtbm-shm:%d] error %s:%d Fail to allocate the bo private\n", getpid(), __FUNCTION__, __LINE__); + free(bo_shm); + if (error) + *error = TBM_ERROR_INVALID_OPERATION; + return 0; + } + bo_shm->pBase = mmap(NULL, real_size, PROT_READ | PROT_WRITE, MAP_SHARED, key, 0); if (bo_shm->pBase == MAP_FAILED) { |