Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH] irq: ipi: fix NULL pointer deref in irq_data_get_affinity_mask() | Date | Thu, 09 Feb 2023 11:49:37 +0100 |
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On Wed, Feb 08 2023 at 21:35, Sergey Shtylyov wrote: > On 8/17/22 11:00 PM, Sergey Shtylyov wrote: > >> Iff ipi_send_{mask|single}() get called with e.g. an invalid IRQ #, all the >> local variables there will be NULL -- the problem is that ipi_send_verify() >> (that's called first thing) doesn't verify its 'data' parameter, resulting >> in a kernel oops in irq_data_get_affinity_mask() as the passed NULL pointer >> gets dereferenced. Add a missing NULL check in ipi_send_verify()... >> >> Found by Linux Verification Center (linuxtesting.org) with the SVACE static >> analysis tool. >> >> Fixes: 3b8e29a82dd1 ("genirq: Implement ipi_send_mask/single()") >> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> > > Patch fell thru the cracks? :-/
Obviously :)
/me goes to find trash tongs to pick it up
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