Information Session On Getting Started With Contributing to Open Sources

I got my first patch accepted in Linux Kernel in September, 2014. Before this I had some repositories on my GitHub, through which I open sourced some of my projects.

This was my first contribution to an open source organization. Since then I am contributing to different open source projects. I learn a lot while contributing to open source projects.

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Faults in Linux Kernel 3.x : Inconsistent assumptions about NULL

As part of my work, I need to annotate the reports generated using Coccinelle Scripts as bugs/FPs for recent Linux Kernels, recent as in versions > 3.0 till the current one 3.18.

This blog post is about the bugs and FPs I found for the case which checks for inconsistent assumptions about NULL. This has two parts, one is where NULL test is done preceding a dereference and the second is where a NULL test is done following a dereference. You can view the annotated report for the first case and for the second case.

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Faults in Linux Kernel 3.x : Disable interrupts and not re-enable them

As part of my work, I need to annotate the reports generated using Coccinelle Scripts as bugs/FPs for recent Linux Kernels, recent as in versions > 3.0 till the current one 3.18.

This blog post is about the bugs and FPs I found for the report which checks here interrupts are turned off but not turned on again, using the functions local_irq_save or save_and_cli, where interrupts are turned off but not turned on again, using the functions cli, where a lock that is taken but not released. Interrupts are disabled at the same time and where a lock that is taken more than once. Interrupts are disabled at the same time. You can view the annotated report here and here.

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