Re: i2c-designware: NULL ptr at RIP: 0010:regmap_read+0x12/0x70

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Hi

On 12/29/23 14:08, Borislav Petkov wrote:
Looking at the call stack, I see

   2409205acd3c ("i2c: designware: fix __i2c_dw_disable() in case master is holding SCL low")

which does that dev->map deref in __i2c_dw_disable() but maybe ->map is
invalid by then...?

Just a stab in the dark anyway...

Do you run same tests on vanilla? I.e. do you see this on v6.7-rc8?

I'm curious to know is this already existing issue or regression because of recent cleanup patches in linux-next between v6.7-rc8.. drivers/i2c/busses/i2c-designware-*.




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