All of lore.kernel.org
 help / color / mirror / Atom feed
From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1551] use after free in Sfc driver
Date: Wed, 25 Sep 2024 16:32:52 +0000	[thread overview]
Message-ID: <bug-1551-3@http.bugs.dpdk.org/> (raw)

[-- Attachment #1: Type: text/plain, Size: 11906 bytes --]

https://bugs.dpdk.org/show_bug.cgi?id=1551

            Bug ID: 1551
           Summary: use after free in Sfc driver
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: stephen@networkplumber.org
  Target Milestone: ---

If GCC function attributes are added to rte_malloc, then it is able to spot use
after free in several places.

1255/2957] Compiling C object
drivers/libtmp_rte_net_sfc.a.p/net_sfc_sfc_flow_rss.c.o
In file included from ../drivers/net/sfc/sfc.h:28,
                 from ../drivers/net/sfc/sfc_flow_rss.c:15:
../drivers/net/sfc/sfc_flow_rss.c: In function ‘sfc_flow_rss_ctx_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘ctx’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_flow_rss.c:308:9: note: in expansion of macro ‘sfc_dbg’
  308 |         sfc_dbg(sa, "flow-rss: deleted ctx=%p", ctx);
      |         ^~~~~~~
../drivers/net/sfc/sfc_flow_rss.c:306:9: note: call to ‘rte_free’ here
  306 |         rte_free(ctx);
      |         ^~~~~~~~~~~~~
[1262/2957] Compiling C object
drivers/libtmp_rte_net_sfc.a.p/net_sfc_sfc_mae.c.o
In file included from ../drivers/net/sfc/sfc.h:28,
                 from ../drivers/net/sfc/sfc_mae.c:19:
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_encap_header_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘encap_header’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:791:9: note: in expansion of macro ‘sfc_dbg’
  791 |         sfc_dbg(sa, "deleted encap_header=%p", encap_header);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:789:9: note: call to ‘rte_free’ here
  789 |         rte_free(encap_header);
      |         ^~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_mac_addr_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘mac_addr’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:590:9: note: in expansion of macro ‘sfc_dbg’
  590 |         sfc_dbg(sa, "deleted mac_addr=%p", mac_addr);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:588:9: note: call to ‘rte_free’ here
  588 |         rte_free(mac_addr);
      |         ^~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_outer_rule_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘rule’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:405:9: note: in expansion of macro ‘sfc_dbg’
  405 |         sfc_dbg(sa, "deleted outer_rule=%p", rule);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:403:9: note: call to ‘rte_free’ here
  403 |         rte_free(rule);
      |         ^~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_counter_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘counter’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:988:9: note: in expansion of macro ‘sfc_dbg’
  988 |         sfc_dbg(sa, "deleted counter=%p", counter);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:986:9: note: call to ‘rte_free’ here
  986 |         rte_free(counter);
      |         ^~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_action_set_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘action_set’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1170:9: note: in expansion of macro ‘sfc_dbg’
 1170 |         sfc_dbg(sa, "deleted action_set=%p", action_set);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1168:9: note: call to ‘rte_free’ here
 1168 |         rte_free(action_set);
      |         ^~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_action_set_list_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘action_set_list’ used
after ‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1407:9: note: in expansion of macro ‘sfc_dbg’
 1407 |         sfc_dbg(sa, "deleted action_set_list=%p", action_set_list);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1405:9: note: call to ‘rte_free’ here
 1405 |         rte_free(action_set_list);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_mae.c: In function ‘sfc_mae_action_rule_del’:
../drivers/net/sfc/sfc_log.h:38:17: warning: pointer ‘rule’ used after
‘rte_free’ [-Wuse-after-free]
   38 |                 rte_log(level, type,                                   
\
      |                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                         RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", 
\
      |                        
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                 _sas->log_prefix,                      
\
      |                                
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   41 |                                 RTE_FMT_TAIL(__VA_ARGS__,)));          
\
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/sfc/sfc_log.h:80:17: note: in expansion of macro ‘SFC_LOG’
   80 |                 SFC_LOG(_sa->priv.shared, RTE_LOG_DEBUG,               
\
      |                 ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1672:9: note: in expansion of macro ‘sfc_dbg’
 1672 |         sfc_dbg(sa, "deleted action_rule=%p", rule);
      |         ^~~~~~~
../drivers/net/sfc/sfc_mae.c:1670:9: note: call to ‘rte_free’ here
 1670 |         rte_free(rule);
      |         ^~~~~~~~~~~~~~

-- 
You are receiving this mail because:
You are the assignee for the bug.

[-- Attachment #2: Type: text/html, Size: 14050 bytes --]

             reply	other threads:[~2024-09-25 16:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-25 16:32 bugzilla [this message]
2024-10-16 20:45 ` [DPDK/ethdev Bug 1551] use after free in Sfc driver bugzilla

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=bug-1551-3@http.bugs.dpdk.org/ \
    --to=bugzilla@dpdk.org \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.