Opened 6 years ago

Closed 6 years ago

Last modified 4 years ago

#750 closed defect (wontfix)

nginx refuses to start when /var/lib/nginx (client_body_temp_path) is a symlink to not yet existing directory

Reported by: Michael Stapelberg Owned by:
Priority: minor Milestone:
Component: nginx-core Version: 1.6.x
Keywords: Cc:
uname -a: Linux bc6581cf2b6a 3.18.9-200.fc21.x86_64 #1 SMP Mon Mar 9 15:10:50 UTC 2015 x86_64 GNU/Linux
nginx -V: nginx version: nginx/1.6.2
TLS SNI support enabled
configure arguments: --with-cc-opt='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2' --with-ld-opt=-Wl,-z,relro --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug --with-pcre-jit --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module --with-http_addition_module --with-http_dav_module --with-http_geoip_module --with-http_gzip_static_module --with-http_image_filter_module --with-http_spdy_module --with-http_sub_module --with-http_xslt_module --with-mail --with-mail_ssl_module --add-module=/tmp/buildd/nginx-1.6.2/debian/modules/nginx-auth-pam --add-module=/tmp/buildd/nginx-1.6.2/debian/modules/nginx-dav-ext-module --add-module=/tmp/buildd/nginx-1.6.2/debian/modules/nginx-echo --add-module=/tmp/buildd/nginx-1.6.2/debian/modules/nginx-upstream-fair --add-module=/tmp/buildd/nginx-1.6.2/debian/modules/ngx_http_substitutions_filter_module

Description

Steps to reproduce:

  1. apt-get install nginx
  2. systemctl stop nginx
  3. rm -rf /var/lib/nginx
  4. ln -sf /tmp/nginx /var/lib/nginx
  5. systemctl restart nginx

nginx exits with:

2015/04/18 19:00:47 [emerg] 48#0: mkdir() "/var/lib/nginx/body" failed (2: No such file or directory)

I think this is because somewhere in the code, you’re not using ngx_create_full_path(). I tried finding the place, but unfortunately it’s not very clear to me after a couple of minutes of looking, so I figured I’d rather create this ticket than try to fix it myself :).

Change History (2)

comment:1 by Maxim Dounin, 6 years ago

Resolution: wontfix
Status: newclosed

It doesn't try to create full path intentionally, as nginx doesn't know desired access rights on intermediate directories. Additionally, such behaviour limits possible damage on typos.

comment:2 by Maxim Dounin, 4 years ago

See also #1245.

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