src: check size of args before using for exec_path#45902
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nodejs-github-bot added c++ 
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: nodejs#45901
awilfoxforce-pushed the awilfox/fix/issue45901 branch from 8214cc1 to c218f7aCompare
addaleax approved these changes Dec 18, 2022
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jasnell approved these changes Dec 19, 2022
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targos pushed a commit that referenced this pull request Jan 1, 2023
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: #45901 PR-URL: #45902 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
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RafaelGSS pushed a commit that referenced this pull request Jan 4, 2023
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: #45901 PR-URL: #45902 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
RafaelGSS pushed a commit that referenced this pull request Jan 5, 2023
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: #45901 PR-URL: #45902 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
juanarbol pushed a commit that referenced this pull request Jan 26, 2023
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: #45901 PR-URL: #45902 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
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juanarbol pushed a commit that referenced this pull request Jan 31, 2023
If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0]. Fixes: #45901 PR-URL: #45902 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
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If we are in an artifically created Environment that has no args set, and uv_exepath returns an error (for instance, if /proc is not mounted on a Linux system), then we crash with a nullptr deref attempting to use argv[0].
Fixes: #45901
This is already covered by multiple
cctests as noted in the above issue, so I wasn't sure if an explicit test was needed. If so, I can add one.