Re: [PATCH v3] blkparse: Fix a potential coredump issue
Jens Axboe <[email protected]> Thu, 20 Mar 2025 05:07:29 -0600
| Newsgroups | org.kernel.vger.linux-btrace |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 19 Mar 2025 21:02:49 +0800, [email protected] wrote: > Executing "blkparse -t" may cause coredump due to > accessing uninitialized memory. > > 8,16 0 6092 1.436280373 20685 Q W 15356912 + 4096 [kworker/u256:2] > 8,16 0 6093 1.436282093 20685 X W 15356912 / 15357936 [kworker/u256:2] > 8,16 0 6094 1.436282735 20685 G W 15356912 + 1024 [kworker/u256:2] > 8,16 0 6099 1.436358617 20685 X W 15357936 / 15358960 [kworker/u256:2] > 8,16 0 6100 1.436359418 20685 G W 15357936 + 1024 [kworker/u256:2] > 8,16 0 6102 1.436359931 20685 I W 15356912 + 1024 [kworker/u256:2] > 8,16 0 6103 1.436360874 20685 D W 15356912 + 1024 [kworker/u256:2] > 8,16 0 6105 1.436436572 20685 X W 15358960 / 15359984 [kworker/u256:2] > 8,16 0 6106 1.436437679 20685 G W 15358960 + 1024 [kworker/u256:2] > 8,16 0 6108 1.436438205 20685 I W 15357936 + 1024 [kworker/u256:2] > 8,16 0 6109 1.436439368 20685 D W 15357936 + 1024 [kworker/u256:2] > 8,16 0 6111 1.436530404 20685 G W 15359984 + 1024 [kworker/u256:2] > 8,16 0 6113 1.436530842 20685 I W 15358960 + 1024 [kworker/u256:2] > 8,16 0 6114 1.436531748 20685 D W 15358960 + 1024 [kworker/u256:2] > 8,16 0 6120 1.436755261 20685 I W 15359984 + 1024 [kworker/u256:2] > 8,16 0 6121 1.436756476 20685 D W 15359984 + 1024 [kworker/u256:2] > 8,16 0 6128 1.437120354 0 C W 15356912 + 1024 [0] > 8,16 0 6129 1.437121875 0 C W 15356912 + 2048 [0] > > [...] Applied, thanks! [1/1] blkparse: Fix a potential coredump issue commit: f9bd00dfbd67ce62ca6df6f55d6275b523cd0b39 Best regards, -- Jens Axboe