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Merge 4.19.80 into android-4.19

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Changes in 4.19.80
	panic: ensure preemption is disabled during panic()
	f2fs: use EINVAL for superblock with invalid magic
	USB: rio500: Remove Rio 500 kernel driver
	USB: yurex: Don't retry on unexpected errors
	USB: yurex: fix NULL-derefs on disconnect
	USB: usb-skeleton: fix runtime PM after driver unbind
	USB: usb-skeleton: fix NULL-deref on disconnect
	xhci: Fix false warning message about wrong bounce buffer write length
	xhci: Prevent device initiated U1/U2 link pm if exit latency is too long
	xhci: Check all endpoints for LPM timeout
	xhci: Fix USB 3.1 capability detection on early xHCI 1.1 spec based hosts
	usb: xhci: wait for CNR controller not ready bit in xhci resume
	xhci: Prevent deadlock when xhci adapter breaks during init
	xhci: Increase STS_SAVE timeout in xhci_suspend()
	USB: adutux: fix use-after-free on disconnect
	USB: adutux: fix NULL-derefs on disconnect
	USB: adutux: fix use-after-free on release
	USB: iowarrior: fix use-after-free on disconnect
	USB: iowarrior: fix use-after-free on release
	USB: iowarrior: fix use-after-free after driver unbind
	USB: usblp: fix runtime PM after driver unbind
	USB: chaoskey: fix use-after-free on release
	USB: ldusb: fix NULL-derefs on driver unbind
	serial: uartlite: fix exit path null pointer
	USB: serial: keyspan: fix NULL-derefs on open() and write()
	USB: serial: ftdi_sio: add device IDs for Sienna and Echelon PL-20
	USB: serial: option: add Telit FN980 compositions
	USB: serial: option: add support for Cinterion CLS8 devices
	USB: serial: fix runtime PM after driver unbind
	USB: usblcd: fix I/O after disconnect
	USB: microtek: fix info-leak at probe
	USB: dummy-hcd: fix power budget for SuperSpeed mode
	usb: renesas_usbhs: gadget: Do not discard queues in usb_ep_set_{halt,wedge}()
	usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior
	USB: legousbtower: fix slab info leak at probe
	USB: legousbtower: fix deadlock on disconnect
	USB: legousbtower: fix potential NULL-deref on disconnect
	USB: legousbtower: fix open after failed reset request
	USB: legousbtower: fix use-after-free on release
	mei: me: add comet point (lake) LP device ids
	mei: avoid FW version request on Ibex Peak and earlier
	gpio: eic: sprd: Fix the incorrect EIC offset when toggling
	Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc
	staging: vt6655: Fix memory leak in vt6655_probe
	iio: adc: hx711: fix bug in sampling of data
	iio: adc: ad799x: fix probe error handling
	iio: adc: axp288: Override TS pin bias current for some models
	iio: light: opt3001: fix mutex unlock race
	efivar/ssdt: Don't iterate over EFI vars if no SSDT override was specified
	perf llvm: Don't access out-of-scope array
	perf inject jit: Fix JIT_CODE_MOVE filename
	blk-wbt: fix performance regression in wbt scale_up/scale_down
	CIFS: Gracefully handle QueryInfo errors during open
	CIFS: Force revalidate inode when dentry is stale
	CIFS: Force reval dentry if LOOKUP_REVAL flag is set
	kernel/sysctl.c: do not override max_threads provided by userspace
	mm/vmpressure.c: fix a signedness bug in vmpressure_register_event()
	firmware: google: increment VPD key_len properly
	gpiolib: don't clear FLAG_IS_OUT when emulating open-drain/open-source
	iio: adc: stm32-adc: move registers definitions
	iio: adc: stm32-adc: fix a race when using several adcs with dma and irq
	cifs: use cifsInodeInfo->open_file_lock while iterating to avoid a panic
	btrfs: fix incorrect updating of log root tree
	btrfs: fix uninitialized ret in ref-verify
	NFS: Fix O_DIRECT accounting of number of bytes read/written
	MIPS: Disable Loongson MMI instructions for kernel build
	MIPS: elf_hwcap: Export userspace ASEs
	ACPICA: ACPI 6.3: PPTT add additional fields in Processor Structure Flags
	ACPI/PPTT: Add support for ACPI 6.3 thread flag
	arm64: topology: Use PPTT to determine if PE is a thread
	Fix the locking in dcache_readdir() and friends
	media: stkwebcam: fix runtime PM after driver unbind
	arm64/sve: Fix wrong free for task->thread.sve_state
	tracing/hwlat: Report total time spent in all NMIs during the sample
	tracing/hwlat: Don't ignore outer-loop duration when calculating max_latency
	ftrace: Get a reference counter for the trace_array on filter files
	tracing: Get trace_array reference for available_tracers files
	hwmon: Fix HWMON_P_MIN_ALARM mask
	x86/asm: Fix MWAITX C-state hint value
	PCI: vmd: Fix config addressing when using bus offsets
	perf/hw_breakpoint: Fix arch_hw_breakpoint use-before-initialization
	Linux 4.19.80

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8ef1835585f79b752712a835852a4bc960ae3b97
This commit is contained in:
Greg Kroah-Hartman
2019-10-17 15:33:07 -07:00
parent 5b27184f3b c3038e718a
commit d8a623cfbb
91 changed files with 949 additions and 1234 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
arch/arm64/kernel/process.c
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@@ -294,22 +294,27 @@ void arch_release_task_struct(struct task_struct *tsk)
fpsimd_release_task(tsk);
}
/*
* src and dst may temporarily have aliased sve_state after task_struct
* is copied. We cannot fix this properly here, because src may have
* live SVE state and dst's thread_info may not exist yet, so tweaking
* either src's or dst's TIF_SVE is not safe.
*
* The unaliasing is done in copy_thread() instead. This works because
* dst is not schedulable or traceable until both of these functions
* have been called.
*/
int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
{
if (current->mm)
fpsimd_preserve_current_state();
*dst = *src;
/* We rely on the above assignment to initialize dst's thread_flags: */
BUILD_BUG_ON(!IS_ENABLED(CONFIG_THREAD_INFO_IN_TASK));
/*
* Detach src's sve_state (if any) from dst so that it does not
* get erroneously used or freed prematurely. dst's sve_state
* will be allocated on demand later on if dst uses SVE.
* For consistency, also clear TIF_SVE here: this could be done
* later in copy_process(), but to avoid tripping up future
* maintainers it is best not to leave TIF_SVE and sve_state in
* an inconsistent state, even temporarily.
*/
dst->thread.sve_state = NULL;
clear_tsk_thread_flag(dst, TIF_SVE);
return 0;
}
@@ -322,13 +327,6 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start,
memset(&p->thread.cpu_context, 0, sizeof(struct cpu_context));
/*
* Unalias p->thread.sve_state (if any) from the parent task
* and disable discard SVE state for p:
*/
clear_tsk_thread_flag(p, TIF_SVE);
p->thread.sve_state = NULL;
/*
* In case p was allocated the same task_struct pointer as some
* other recently-exited task, make sure p is disassociated from