On Mon, Oct 11, 2021 at 12:12 PM Yang Yingliang <yangyingliang@xxxxxxxxxx> wrote: > > I got the double free report: > > BUG: KASAN: double-free or invalid-free in kfree+0xce/0x390 > > CPU: 0 PID: 359 Comm: xrun Tainted: G W 5.15.0-rc3-00109-g4dfd49fafc4d-dirty #474 523b7f3c65c42247635e2ac04a95f61f9f36678d > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 > Call Trace: > dump_stack_lvl+0xe2/0x152 > print_address_description.constprop.7+0x21/0x150 > kasan_report_invalid_free+0x6f/0xa0 > __kasan_slab_free+0x125/0x140 > slab_free_freelist_hook+0x10d/0x240 > kfree+0xce/0x390 > iio_device_unregister_sysfs+0x108/0x13b [industrialio] > iio_dev_release+0x9e/0x10e [industrialio] > device_release+0xa5/0x240 > kobject_put+0x1e5/0x540 > put_device+0x20/0x30 > devm_iio_device_release+0x21/0x30 [industrialio] > release_nodes+0xc3/0x3b0 > devres_release_group+0x1da/0x2c0 > i2c_device_probe+0x628/0xbb0 > really_probe+0x285/0xc30 Please, reduce this noise to the ~4-5 important lines only! -- With Best Regards, Andy Shevchenko
