On Thu, Oct 17, 2024 at 01:35:32PM +0000, Vimal Agrawal wrote: > misc_minor_alloc was allocating id using ida for minor only in case of > MISC_DYNAMIC_MINOR but misc_minor_free was always freeing ids > using ida_free causing a mismatch and following warn: > > > WARNING: CPU: 0 PID: 159 at lib/idr.c:525 ida_free+0x3e0/0x41f > > > ida_free called for id=127 which is not allocated. > > > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< > ... > > > [<60941eb4>] ida_free+0x3e0/0x41f > > > [<605ac993>] misc_minor_free+0x3e/0xbc > > > [<605acb82>] misc_deregister+0x171/0x1b3 > > misc_minor_alloc is changed to allocate id from ida for all minors > falling in the range of dynamic/ misc dynamic minors > > Fixes: ab760791c0cf ("char: misc: Increase the maximum number of dynamic misc devices to 1048448") > Signed-off-by: Vimal Agrawal <avimalin@xxxxxxxxx> Sorry, but no, do not hide behind a gmail.com address. Either fix your corporate email system to be able to send patches out, or use the other method of sending from a different address as documented in the kernel documentation. As it is, I can't take this, sorry. greg k-h