src: check size of args before using for exec_path #45902
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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: nodejs#45901
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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 PR-URL: #45902 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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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 PR-URL: #45902 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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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 PR-URL: #45902 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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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 PR-URL: #45902 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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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 PR-URL: #45902 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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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.