From: Greg Kroah-Hartman Date: Mon, 26 Sep 2022 16:20:41 +0000 (+0200) Subject: drop queue-4.19/riscv-fix-a-nasty-sigreturn-bug.patch X-Git-Tag: v4.9.330~11 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b710ce04cb5003a422e5fbeeba93c401099bf858;p=thirdparty%2Fkernel%2Fstable-queue.git drop queue-4.19/riscv-fix-a-nasty-sigreturn-bug.patch --- diff --git a/queue-4.19/riscv-fix-a-nasty-sigreturn-bug.patch b/queue-4.19/riscv-fix-a-nasty-sigreturn-bug.patch deleted file mode 100644 index c63ab52ee31..00000000000 --- a/queue-4.19/riscv-fix-a-nasty-sigreturn-bug.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 762df359aa5849e010ef04c3ed79d57588ce17d9 Mon Sep 17 00:00:00 2001 -From: Al Viro -Date: Fri, 24 Sep 2021 01:55:27 +0000 -Subject: riscv: fix a nasty sigreturn bug... - -From: Al Viro - -commit 762df359aa5849e010ef04c3ed79d57588ce17d9 upstream. - -riscv has an equivalent of arm bug fixed by 653d48b22166 ("arm: fix -really nasty sigreturn bug"); if signal gets caught by an interrupt that -hits when we have the right value in a0 (-513), *and* another signal -gets delivered upon sigreturn() (e.g. included into the blocked mask for -the first signal and posted while the handler had been running), the -syscall restart logics will see regs->cause equal to EXC_SYSCALL (we are -in a syscall, after all) and a0 already restored to its original value -(-513, which happens to be -ERESTARTNOINTR) and assume that we need to -apply the usual syscall restart logics. - -Signed-off-by: Al Viro -Fixes: e2c0cdfba7f6 ("RISC-V: User-facing API") -Cc: stable@vger.kernel.org -Link: https://lore.kernel.org/r/YxJEiSq%2FCGaL6Gm9@ZenIV/ -Signed-off-by: Palmer Dabbelt -Signed-off-by: Greg Kroah-Hartman ---- - arch/riscv/kernel/signal.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/arch/riscv/kernel/signal.c -+++ b/arch/riscv/kernel/signal.c -@@ -105,6 +105,8 @@ SYSCALL_DEFINE0(rt_sigreturn) - if (restore_altstack(&frame->uc.uc_stack)) - goto badframe; - -+ regs->cause = -1UL; -+ - return regs->a0; - - badframe: diff --git a/queue-4.19/series b/queue-4.19/series index 93c3eac0a04..00f2620dbec 100644 --- a/queue-4.19/series +++ b/queue-4.19/series @@ -27,7 +27,6 @@ alsa-hda-tegra-set-depop-delay-for-tegra.patch alsa-hda-add-intel-5-series-3400-pci-did.patch alsa-hda-realtek-enable-4-speaker-output-dell-precision-5530-laptop.patch efi-libstub-check-shim-mode-using-moksbstatert.patch -riscv-fix-a-nasty-sigreturn-bug.patch mm-slub-fix-to-return-errno-if-kmalloc-fails.patch arm64-dts-rockchip-set-rk3399-gru-pclk_edp-to-24-mhz.patch arm64-dts-rockchip-remove-enable-active-low-from-rk3.patch