On Wed, 2019-09-18 at 14:01:03 UTC, "Aneesh Kumar K.V" wrote: > On failed task initialization due to memory allocation failures, > we can call into destroy_context with process_tb entry set. This patch > forces the process_tb entry to zero in destroy_context. With > this patch, we lose the ability to track if we are destroying a context > without flushing the process table entry. > > WARNING: CPU: 4 PID: 6368 at arch/powerpc/mm/mmu_context_book3s64.c:246 > destroy_context+0x58/0x340 > NIP [c0000000000875f8] destroy_context+0x58/0x340 > LR [c00000000013da18] __mmdrop+0x78/0x270 > Call Trace: > [c000000f7db77c80] [c00000000013da18] __mmdrop+0x78/0x270 > [c000000f7db77cf0] [c0000000004d6a34] __do_execve_file.isra.13+0xbd4/0x1000 > [c000000f7db77e00] [c0000000004d7428] sys_execve+0x58/0x70 > [c000000f7db77e30] [c00000000000b388] system_call+0x5c/0x70 > > Reported-by: Priya M.A <priya...@in.ibm.com> > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/7aec584eaf1cc1a527dcbe7d80f2e44e3bfcfe1d cheers