This is a note to let you know that I've just added the patch titled um: Fix the return value of elf_core_copy_task_fpregs to the 6.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: um-fix-the-return-value-of-elf_core_copy_task_fpregs.patch and it can be found in the queue-6.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 89bfcc59c03d96bcf7ea1aa9512d3a9a7469265d Author: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx> Date: Fri Sep 13 10:33:02 2024 +0800 um: Fix the return value of elf_core_copy_task_fpregs [ Upstream commit 865e3845eeaa21e9a62abc1361644e67124f1ec0 ] This function is expected to return a boolean value, which should be true on success and false on failure. Fixes: d1254b12c93e ("uml: fix x86_64 core dump crash") Signed-off-by: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx> Link: https://patch.msgid.link/20240913023302.130300-1-tiwei.btw@xxxxxxxxxxxx Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index be2856af6d4c3..9c6cf03ed02b0 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -292,6 +292,6 @@ int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu) { int cpu = current_thread_info()->cpu; - return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu); + return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu) == 0; }