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free miss match in cryptodev

DPDK/cryptodev Bug 1552 [email protected] 1 participant 2 messages Sep 25, 2024 – Oct 16, 2024

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https://bugs.dpdk.org/show_bug.cgi?id=1552

Bug ID: 1552
Summary: free miss match in cryptodev
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: major
Priority: Normal
Component: cryptodev
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---

If GCC function attributes are added to rte_malloc, then Gcc is able to identify rte_malloc to free mismatches like:

[1319/2957] Compiling C object drivers/libtmp_rte_crypto_bcmfs.a.p/crypto_bcmfs_bcmfs_device.c.o In function ‘fsdev_allocate_one_dev’,
inlined from ‘bcmfs_vdev_probe’ at
../drivers/crypto/bcmfs/bcmfs_device.c:283:11:
../drivers/crypto/bcmfs/bcmfs_device.c:142:9: warning: ‘free’ called on pointer returned from a mismatched allocation function [-Wmismatched-dealloc]

  142 |         free(fsdev);
      |         ^~~~~~~~~~~
../drivers/crypto/bcmfs/bcmfs_device.c:102:17: note: returned from ‘rte_calloc’
  102 |         fsdev = rte_calloc(__func__, 1, sizeof(*fsdev), 0);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In function ‘fsdev_release’,
inlined from ‘bcmfs_vdev_probe’ at
../drivers/crypto/bcmfs/bcmfs_device.c:308:2:
../drivers/crypto/bcmfs/bcmfs_device.c:166:9: warning: ‘free’ called on pointer returned from a mismatched allocation function [-Wmismatched-dealloc]

  166 |         free(fsdev);
      |         ^~~~~~~~~~~

In function ‘fsdev_allocate_one_dev’,
inlined from ‘bcmfs_vdev_probe’ at
../drivers/crypto/bcmfs/bcmfs_device.c:283:11:
../drivers/crypto/bcmfs/bcmfs_device.c:102:17: note: returned from ‘rte_calloc’

  102 |         fsdev = rte_calloc(__func__, 1, sizeof(*fsdev), 0);
      |  
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#1 lore raw

https://bugs.dpdk.org/show_bug.cgi?id=1552

Thomas Monjalon ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Thomas Monjalon ([email protected]) --- Resolved in http://git.dpdk.org/dpdk/commit/?id=b1703af8e7

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