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Prevent panic on diff generation #16950

Merged
merged 5 commits into from
Sep 5, 2021
Merged

Prevent panic on diff generation #16950

merged 5 commits into from
Sep 5, 2021

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zeripath
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@zeripath zeripath commented Sep 3, 2021

The lastLeftIdx should be reset at the same time as creating a new section otherwise
it is possible for a second addition to end up attempting to read a nil entry.

Fix #16943

Signed-off-by: Andrew Thornton art27@cantab.net

@zeripath
Prevent panic on diff generation
8aa4b37 
The lastLeftIdx should be reset at the same time as creating a new section otherwise
it is possible for a second addition to end up attempting to read a nil entry.

Fix go-gitea#16943

Signed-off-by: Andrew Thornton <art27@cantab.net>
@zeripath zeripath added this to the 1.16.0 milestone Sep 3, 2021
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zeripath commented Sep 3, 2021

Now I can't quite come up with a testcase - but the proposed mechanism is the only way I can think of for how this could happen.

@GiteaBot GiteaBot added the lgtm/need 2 This PR needs two approvals by maintainers to be considered for merging. label Sep 3, 2021
zeripath added a commit to zeripath/gitea that referenced this pull request Sep 3, 2021
@zeripath
Prevent panic on diff generation (go-gitea#16950)
72c8d6d 
Backport go-gitea#16950

The lastLeftIdx should be reset at the same time as creating a new section otherwise
it is possible for a second addition to end up attempting to read a nil entry.

Fix go-gitea#16943

Signed-off-by: Andrew Thornton <art27@cantab.net>
@zeripath zeripath mentioned this pull request Sep 3, 2021
Merged
@zeripath zeripath added the backport/done All backports for this PR have been created label Sep 3, 2021
@zeripath
including lfs
a93a43f 
Signed-off-by: Andrew Thornton <art27@cantab.net>
@zeripath
Merge branch 'main' into fix-16943-when-creating-a-new-cursection-res…
a26ee6d 
…et-the-lastLeftIdx
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Codecov Report

Merging #16950 (a26ee6d) into main (6c125e9) will increase coverage by 0.00%.
The diff coverage is 40.00%.

Impacted file tree graph

@@           Coverage Diff           @@
##             main   #16950   +/-   ##
=======================================
  Coverage   45.19%   45.19%           
=======================================
  Files         762      762           
  Lines       86173    86178    +5     
=======================================
+ Hits        38942    38948    +6     
+ Misses      40935    40933    -2     
- Partials     6296     6297    +1
Impacted Files Coverage Δ
modules/storage/storage.go 48.57% <0.00%> (-0.71%) ⬇️
services/gitdiff/gitdiff.go 74.06% <50.00%> (-0.14%) ⬇️
modules/queue/queue_channel.go 95.00% <0.00%> (-1.67%) ⬇️
modules/queue/queue_bytefifo.go 59.88% <0.00%> (+0.59%) ⬆️
modules/queue/workerpool.go 48.85% <0.00%> (+0.76%) ⬆️
models/unit.go 43.83% <0.00%> (+2.73%) ⬆️

Continue to review full report at Codecov.

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@GiteaBot GiteaBot added lgtm/need 1 This PR needs approval from one additional maintainer to be merged. and removed lgtm/need 2 This PR needs two approvals by maintainers to be considered for merging. labels Sep 5, 2021
@GiteaBot GiteaBot added lgtm/done This PR has enough approvals to get merged. There are no important open reservations anymore. and removed lgtm/need 1 This PR needs approval from one additional maintainer to be merged. labels Sep 5, 2021
@6543 6543 merged commit 0767fe0 into go-gitea:main Sep 5, 2021
6543 pushed a commit that referenced this pull request Sep 5, 2021
@zeripath
Prevent panic on diff generation (#16950) (#16951)
a384109 
Backport #16950

The lastLeftIdx should be reset at the same time as creating a new section otherwise
it is possible for a second addition to end up attempting to read a nil entry.

Fix #16943

Signed-off-by: Andrew Thornton <art27@cantab.net>
@zeripath zeripath deleted the fix-16943-when-creating-a-new-cursection-reset-the-lastLeftIdx branch September 5, 2021 10:48
zeripath added a commit to zeripath/gitea that referenced this pull request Sep 19, 2021
@zeripath
Changelog 1.15.3
b0c5677 
## [1.15.3](https://github.com/go-gitea/gitea/releases/tag/v1.15.3) - 2021-09-19

* ENHANCEMENTS
  * Add fluid to ui container class to remove margin (go-gitea#16396) (go-gitea#16976)
  * Add caller to cat-file batch calls (go-gitea#17082) (go-gitea#17089)
* BUGFIXES
  * Render full plain readme. (go-gitea#17083) (go-gitea#17090)
  * Upgrade xorm to v1.2.4 (go-gitea#17059)
  * Fix bug of migrate comments which only fetch one page (go-gitea#17055) (go-gitea#17058)
  * Do not show issue context popup on external issues (go-gitea#17050) (go-gitea#17054)
  * Decrement Fork Num when converting from Fork (go-gitea#17035) (go-gitea#17046)
  * Correctly rollback in ForkRepository (go-gitea#17034) (go-gitea#17045)
  * Fix missing close in WalkGitLog (go-gitea#17008) (go-gitea#17009)
  * Add prefix to SVG id/class attributes (go-gitea#16997) (go-gitea#17000)
  * Fix bug of migrated repository not index (go-gitea#16991) (go-gitea#16996)
  * Skip AllowedUserVisibilityModes validation on update user if it is an organisation (go-gitea#16988) (go-gitea#16990)
  * Fix storage Iterate bug and Add storage doctor to delete garbage attachments (go-gitea#16971) (go-gitea#16977)
  * Fix issue with issue default mail template (go-gitea#16956) (go-gitea#16975)
  * Ensure that rebase conflicts are handled in updates (go-gitea#16952) (go-gitea#16960)
  * Prevent panic on diff generation (go-gitea#16950) (go-gitea#16951)

Signed-off-by: Andrew Thornton <art27@cantab.net>
@zeripath zeripath mentioned this pull request Sep 19, 2021
Merged
lunny pushed a commit that referenced this pull request Sep 20, 2021
@zeripath @techknowlogick
Changelog 1.15.3 (#17091)
7ce938b 
## [1.15.3](https://github.com/go-gitea/gitea/releases/tag/v1.15.3) - 2021-09-19

* ENHANCEMENTS
  * Add fluid to ui container class to remove margin (#16396) (#16976)
  * Add caller to cat-file batch calls (#17082) (#17089)
* BUGFIXES
  * Render full plain readme. (#17083) (#17090)
  * Upgrade xorm to v1.2.4 (#17059)
  * Fix bug of migrate comments which only fetch one page (#17055) (#17058)
  * Do not show issue context popup on external issues (#17050) (#17054)
  * Decrement Fork Num when converting from Fork (#17035) (#17046)
  * Correctly rollback in ForkRepository (#17034) (#17045)
  * Fix missing close in WalkGitLog (#17008) (#17009)
  * Add prefix to SVG id/class attributes (#16997) (#17000)
  * Fix bug of migrated repository not index (#16991) (#16996)
  * Skip AllowedUserVisibilityModes validation on update user if it is an organisation (#16988) (#16990)
  * Fix storage Iterate bug and Add storage doctor to delete garbage attachments (#16971) (#16977)
  * Fix issue with issue default mail template (#16956) (#16975)
  * Ensure that rebase conflicts are handled in updates (#16952) (#16960)
  * Prevent panic on diff generation (#16950) (#16951)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
6543 pushed a commit to 6543-forks/gitea that referenced this pull request Sep 21, 2021
@zeripath @techknowlogick @6543
Changelog 1.15.3 (go-gitea#17091)
a0bd752 
## [1.15.3](https://github.com/go-gitea/gitea/releases/tag/v1.15.3) - 2021-09-19

* ENHANCEMENTS
  * Add fluid to ui container class to remove margin (go-gitea#16396) (go-gitea#16976)
  * Add caller to cat-file batch calls (go-gitea#17082) (go-gitea#17089)
* BUGFIXES
  * Render full plain readme. (go-gitea#17083) (go-gitea#17090)
  * Upgrade xorm to v1.2.4 (go-gitea#17059)
  * Fix bug of migrate comments which only fetch one page (go-gitea#17055) (go-gitea#17058)
  * Do not show issue context popup on external issues (go-gitea#17050) (go-gitea#17054)
  * Decrement Fork Num when converting from Fork (go-gitea#17035) (go-gitea#17046)
  * Correctly rollback in ForkRepository (go-gitea#17034) (go-gitea#17045)
  * Fix missing close in WalkGitLog (go-gitea#17008) (go-gitea#17009)
  * Add prefix to SVG id/class attributes (go-gitea#16997) (go-gitea#17000)
  * Fix bug of migrated repository not index (go-gitea#16991) (go-gitea#16996)
  * Skip AllowedUserVisibilityModes validation on update user if it is an organisation (go-gitea#16988) (go-gitea#16990)
  * Fix storage Iterate bug and Add storage doctor to delete garbage attachments (go-gitea#16971) (go-gitea#16977)
  * Fix issue with issue default mail template (go-gitea#16956) (go-gitea#16975)
  * Ensure that rebase conflicts are handled in updates (go-gitea#16952) (go-gitea#16960)
  * Prevent panic on diff generation (go-gitea#16950) (go-gitea#16951)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
lunny pushed a commit that referenced this pull request Sep 22, 2021
@6543 @zeripath @techknowlogick
Changelog 1.15.3 (#17091) (#17113)
fc1e9e6 
## [1.15.3](https://github.com/go-gitea/gitea/releases/tag/v1.15.3) - 2021-09-19

* ENHANCEMENTS
  * Add fluid to ui container class to remove margin (#16396) (#16976)
  * Add caller to cat-file batch calls (#17082) (#17089)
* BUGFIXES
  * Render full plain readme. (#17083) (#17090)
  * Upgrade xorm to v1.2.4 (#17059)
  * Fix bug of migrate comments which only fetch one page (#17055) (#17058)
  * Do not show issue context popup on external issues (#17050) (#17054)
  * Decrement Fork Num when converting from Fork (#17035) (#17046)
  * Correctly rollback in ForkRepository (#17034) (#17045)
  * Fix missing close in WalkGitLog (#17008) (#17009)
  * Add prefix to SVG id/class attributes (#16997) (#17000)
  * Fix bug of migrated repository not index (#16991) (#16996)
  * Skip AllowedUserVisibilityModes validation on update user if it is an organisation (#16988) (#16990)
  * Fix storage Iterate bug and Add storage doctor to delete garbage attachments (#16971) (#16977)
  * Fix issue with issue default mail template (#16956) (#16975)
  * Ensure that rebase conflicts are handled in updates (#16952) (#16960)
  * Prevent panic on diff generation (#16950) (#16951)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
@go-gitea go-gitea locked and limited conversation to collaborators Oct 19, 2021
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@lafriks lafriks lafriks approved these changes

@6543 6543 6543 approved these changes

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