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Merge 4.19.231 into android-4.19-stable

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Changes in 4.19.231
	Makefile.extrawarn: Move -Wunaligned-access to W=1
	net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup
	serial: parisc: GSC: fix build when IOSAPIC is not set
	parisc: Fix data TLB miss in sba_unmap_sg
	parisc: Fix sglist access in ccio-dma.c
	btrfs: send: in case of IO error log it
	net: ieee802154: at86rf230: Stop leaking skb's
	selftests/zram: Skip max_comp_streams interface on newer kernel
	selftests/zram01.sh: Fix compression ratio calculation
	selftests/zram: Adapt the situation that /dev/zram0 is being used
	ax25: improve the incomplete fix to avoid UAF and NPD bugs
	vfs: make freeze_super abort when sync_filesystem returns error
	quota: make dquot_quota_sync return errors from ->sync_fs
	nvme: fix a possible use-after-free in controller reset during load
	nvme-rdma: fix possible use-after-free in transport error_recovery work
	Revert "module, async: async_synchronize_full() on module init iff async is used"
	iwlwifi: fix use-after-free
	drm/radeon: Fix backlight control on iMac 12,1
	xfrm: Don't accidentally set RTO_ONLINK in decode_session4()
	taskstats: Cleanup the use of task->exit_code
	mmc: block: fix read single on recovery logic
	vsock: remove vsock from connected table when connect is interrupted by a signal
	iwlwifi: pcie: fix locking when "HW not ready"
	iwlwifi: pcie: gen2: fix locking when "HW not ready"
	net: dsa: lan9303: fix reset on probe
	net: ieee802154: ca8210: Fix lifs/sifs periods
	ping: fix the dif and sdif check in ping_lookup
	drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit
	bonding: fix data-races around agg_select_timer
	libsubcmd: Fix use-after-free for realloc(..., 0)
	ALSA: hda: Fix regression on forced probe mask option
	ALSA: hda: Fix missing codec probe on Shenker Dock 15
	ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw()
	ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range()
	powerpc/lib/sstep: fix 'ptesync' build error
	ext4: check for out-of-order index extents in ext4_valid_extent_entries()
	block/wbt: fix negative inflight counter when remove scsi device
	NFS: LOOKUP_DIRECTORY is also ok with symlinks
	NFS: Do not report writeback errors in nfs_getattr()
	mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe()
	EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
	net: sched: limit TC_ACT_REPEAT loops
	dmaengine: sh: rcar-dmac: Check for error num after setting mask
	i2c: brcmstb: fix support for DSL and CM variants
	lib/iov_iter: initialize "flags" in new pipe_buffer
	mtd: rawnand: brcmnand: Refactored code to introduce helper functions
	mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
	Drivers: hv: vmbus: Expose monitor data only when monitor pages are used
	Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
	KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
	ARM: OMAP2+: hwmod: Add of_node_put() before break
	irqchip/sifive-plic: Add missing thead,c900-plic match string
	netfilter: conntrack: don't refresh sctp entries in closed state
	arm64: dts: meson-gx: add ATF BL32 reserved-memory region
	kconfig: let 'shell' return enough output for deep path names
	ata: libata-core: Disable TRIM on M88V29
	tracing: Fix tp_printk option related with tp_printk_stop_on_boot
	net: usb: qmi_wwan: Add support for Dell DW5829e
	net: macb: Align the dma and coherent dma masks
	Linux 4.19.231

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifea29f81ea3bbfcc6f305c258aa0527711d128d1
This commit is contained in:
Greg Kroah-Hartman
2022-02-23 12:16:23 +01:00
parent 68418bd545 1763074989
commit 930ed74bde
64 changed files with 530 additions and 297 deletions
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25
kernel/module.c
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@@ -3510,12 +3510,6 @@ static noinline int do_init_module(struct module *mod)
}
freeinit->module_init = mod->init_layout.base;
/*
* We want to find out whether @mod uses async during init. Clear
* PF_USED_ASYNC. async_schedule*() will set it.
*/
current->flags &= ~PF_USED_ASYNC;
do_mod_ctors(mod);
/* Start the module */
if (mod->init != NULL)
@@ -3541,22 +3535,13 @@ static noinline int do_init_module(struct module *mod)
/*
* We need to finish all async code before the module init sequence
* is done. This has potential to deadlock. For example, a newly
* detected block device can trigger request_module() of the
* default iosched from async probing task. Once userland helper
* reaches here, async_synchronize_full() will wait on the async
* task waiting on request_module() and deadlock.
* is done. This has potential to deadlock if synchronous module
* loading is requested from async (which is not allowed!).
*
* This deadlock is avoided by perfomring async_synchronize_full()
* iff module init queued any async jobs. This isn't a full
* solution as it will deadlock the same if module loading from
* async jobs nests more than once; however, due to the various
* constraints, this hack seems to be the best option for now.
* Please refer to the following thread for details.
*
* http://thread.gmane.org/gmane.linux.kernel/1420814
* See commit 0fdff3ec6d87 ("async, kmod: warn on synchronous
* request_module() from async workers") for more details.
*/
if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC))
if (!mod->async_probe_requested)
async_synchronize_full();
ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base +