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DAOS-16251 engine: Misc fixes and cleanups #14983

Merged
merged 1 commit into from
Aug 26, 2024
Merged

DAOS-16251 engine: Misc fixes and cleanups #14983

merged 1 commit into from
Aug 26, 2024

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liw
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@liw liw commented Aug 22, 2024

  • ivc_on_get stores random entry_priv_val into priv_entry for many ivc_ent_get implementations. Although not used, this should be avoided.

  • ds_iv_done stores pointer to stack variable rc in cb_info->future, which outlives the stack frame of ds_iv_done. Although not used, this pointer is confusing.

  • ds_pool_iv_map_update associates the input map buffer with the map version from ds_pool, rather than the input map version. Although this may be fine, we should really not ask for unnecessary trouble/concern.

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@liw
DAOS-16251 engine: Misc fixes and cleanups
abe127d 
  - ivc_on_get stores random entry_priv_val into priv_entry for many
    ivc_ent_get implementations. Although not used, this should be
    avoided.

  - ds_iv_done stores pointer to stack variable rc in cb_info->future,
    which outlives the stack frame of ds_iv_done. Although not used,
    this pointer is confusing.

  - ds_pool_iv_map_update associates the input map buffer with the map
    version from ds_pool, rather than the input map version. Although
    this may be fine, we should really not ask for unnecessary
    trouble/concern.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true
@github-actions GitHub Actions
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Ticket title is 'DAOS 2.4.2-4: Errored DAOS engine 0 exited unexpectedly on daos_user'
Status is 'In Progress'
Labels: 'ALCF'
https://daosio.atlassian.net/browse/DAOS-16251

@liw liw requested review from liuxuezhao and kccain August 23, 2024 04:39
@liw liw marked this pull request as ready for review August 23, 2024 04:39
@liw liw requested review from a team as code owners August 23, 2024 04:39
@liw liw requested a review from a team August 25, 2024 01:25
@daltonbohning daltonbohning merged commit de71fb3 into master Aug 26, 2024
54 of 55 checks passed
@daltonbohning daltonbohning deleted the liw/misc-fixes branch August 26, 2024 15:35
liw added a commit that referenced this pull request Sep 17, 2024
@liw
DAOS-16251 engine: Misc fixes and cleanups (#14983)
a3b2e46 
- ivc_on_get stores random entry_priv_val into priv_entry for many
    ivc_ent_get implementations. Although not used, this should be
    avoided.

  - ds_iv_done stores pointer to stack variable rc in cb_info->future,
    which outlives the stack frame of ds_iv_done. Although not used,
    this pointer is confusing.

  - ds_pool_iv_map_update associates the input map buffer with the map
    version from ds_pool, rather than the input map version. Although
    this may be fine, we should really not ask for unnecessary
    trouble/concern.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true
@liw liw mentioned this pull request Sep 17, 2024
Merged
18 tasks
gnailzenh pushed a commit that referenced this pull request Sep 20, 2024
@liw
DAOS-16466 misc: Backport fixes (#15045) (#15139)
56845bd 
* DAOS-16251 object: Fix obj_ec_singv_split overflow (#15045)

It has been seen that obj_ec_singv_split may read beyond the end of
sgl->sg_iovs[0].iov_buf:

    iod_size=8569
    c_bytes=4288
    id_shard=0
    tgt_off=1
    iov_len=8569
    iov_buf_len=8569

The memmove read 4288 bytes from offset 4288, whereas the buffer only
had 8569 - 4288 = 4281 bytes from offset 4288. This patch fixes the
problem by adding the min(...) expression.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true

* DAOS-16251 dtx: Fix dtx_req_send user-after-free (#15035)

In dtx_req_send, since the crt_req_send releases the req reference, din
may have been freed when dereferenced for the DL_CDEBUG call.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true

* DAOS-16251 mgmt: Fix use-after-free in pool_list (#15014)

In dc_mgmt_pool_list, calling wipe_cred_iov on in->pli_cred after
calling crt_req_decref on rpc is a use-after-free.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true

* DAOS-16251 tests: Fix various buffer overflows (#15003)

 - vos: Fix vtx_pm buffer overflow
 - vos: Fix evt_ctl stack buffer overflow
 - object: Fix srv_checksum_tests buffer overflow
 - utils: Fix ddb_vos_tests buffer overflow etc

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true

* DAOS-16251 engine: Misc fixes and cleanups (#14983)

- ivc_on_get stores random entry_priv_val into priv_entry for many
    ivc_ent_get implementations. Although not used, this should be
    avoided.

  - ds_iv_done stores pointer to stack variable rc in cb_info->future,
    which outlives the stack frame of ds_iv_done. Although not used,
    this pointer is confusing.

  - ds_pool_iv_map_update associates the input map buffer with the map
    version from ds_pool, rather than the input map version. Although
    this may be fine, we should really not ask for unnecessary
    trouble/concern.

Signed-off-by: Li Wei <wei.g.li@intel.com>
Required-githooks: true

---------

Signed-off-by: Li Wei <wei.g.li@intel.com>
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@liuxuezhao liuxuezhao liuxuezhao approved these changes

@kccain kccain kccain approved these changes

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@liw @liuxuezhao @kccain @daltonbohning