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Greg Kroah-Hartman fb6e5953dc Merge 4.9.271 into android-4.9-q
Changes in 4.9.271
	mm, vmstat: drop zone->lock in /proc/pagetypeinfo
	tweewide: Fix most Shebang lines
	scripts: switch explicitly to Python 3
	netfilter: x_tables: Use correct memory barriers.
	NFC: nci: fix memory leak in nci_allocate_device
	NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
	proc: Check /proc/$pid/attr/ writes against file opener
	net: hso: fix control-request directions
	mac80211: assure all fragments are encrypted
	mac80211: prevent mixed key and fragment cache attacks
	mac80211: properly handle A-MSDUs that start with an RFC 1042 header
	cfg80211: mitigate A-MSDU aggregation attacks
	mac80211: drop A-MSDUs on old ciphers
	mac80211: add fragment cache to sta_info
	mac80211: check defrag PN against current frame
	mac80211: prevent attacks on TKIP/WEP as well
	mac80211: do not accept/forward invalid EAPOL frames
	mac80211: extend protection against mixed key and fragment cache attacks
	ath10k: Validate first subframe of A-MSDU before processing the list
	dm snapshot: properly fix a crash when an origin has no snapshots
	kgdb: fix gcc-11 warnings harder
	misc/uss720: fix memory leak in uss720_probe
	mei: request autosuspend after sending rx flow control
	staging: iio: cdc: ad7746: avoid overwrite of num_channels
	iio: adc: ad7793: Add missing error code in ad7793_setup()
	USB: trancevibrator: fix control-request direction
	serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
	USB: serial: ti_usb_3410_5052: add startech.com device id
	USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011
	USB: serial: ftdi_sio: add IDs for IDS GmbH Products
	USB: serial: pl2303: add device id for ADLINK ND-6530 GC
	net: usb: fix memory leak in smsc75xx_bind
	spi: Fix use-after-free with devm_spi_alloc_*
	Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails
	NFS: fix an incorrect limit in filelayout_decode_layout()
	NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
	NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
	net/mlx4: Fix EEPROM dump support
	Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv"
	tipc: skb_linearize the head skb when reassembling msgs
	i2c: s3c2410: fix possible NULL pointer deref on read message after write
	i2c: i801: Don't generate an interrupt on bus reset
	perf jevents: Fix getting maximum number of fds
	platform/x86: hp_accel: Avoid invoking _INI to speed up resume
	serial: max310x: unregister uart driver in case of failure and abort
	net: fujitsu: fix potential null-ptr-deref
	net: caif: remove BUG_ON(dev == NULL) in caif_xmit
	char: hpet: add checks after calling ioremap
	isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io
	dmaengine: qcom_hidma: comment platform_driver_register call
	libertas: register sysfs groups properly
	media: dvb: Add check on sp8870_readreg return
	media: gspca: properly check for errors in po1030_probe()
	scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic
	openrisc: Define memory barrier mb
	btrfs: do not BUG_ON in link_to_fixup_dir
	platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
	drm/amdgpu: Fix a use-after-free
	net: netcp: Fix an error message
	net: mdio: thunder: Fix a double free issue in the .remove function
	net: mdio: octeon: Fix some double free issues
	net: bnx2: Fix error return code in bnx2_init_board()
	mld: fix panic in mld_newpack()
	staging: emxx_udc: fix loop in _nbu2ss_nuke()
	ASoC: cs35l33: fix an error code in probe()
	scsi: libsas: Use _safe() loop in sas_resume_port()
	sch_dsmark: fix a NULL deref in qdisc_reset()
	MIPS: alchemy: xxs1500: add gpio-au1000.h header file
	MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c
	hugetlbfs: hugetlb_fault_mutex_hash() cleanup
	usb: core: reduce power-on-good delay time of root hub
	Linux 4.9.271

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I6da4427d9ada52cbebbcc4d69e74f9ecebd9ad8b
2021-06-17 12:40:34 +03:00

65 lines
1.7 KiB
Python

#!/usr/bin/env python
#
# Usage: unwcheck.py FILE
#
# This script checks the unwind info of each function in file FILE
# and verifies that the sum of the region-lengths matches the total
# length of the function.
#
# Based on a shell/awk script originally written by Harish Patil,
# which was converted to Perl by Matthew Chapman, which was converted
# to Python by David Mosberger.
#
import os
import re
import sys
if len(sys.argv) != 2:
print "Usage: %s FILE" % sys.argv[0]
sys.exit(2)
readelf = os.getenv("READELF", "readelf")
start_pattern = re.compile("<([^>]*)>: \[0x([0-9a-f]+)-0x([0-9a-f]+)\]")
rlen_pattern = re.compile(".*rlen=([0-9]+)")
def check_func (func, slots, rlen_sum):
if slots != rlen_sum:
global num_errors
num_errors += 1
if not func: func = "[%#x-%#x]" % (start, end)
print "ERROR: %s: %lu slots, total region length = %lu" % (func, slots, rlen_sum)
return
num_funcs = 0
num_errors = 0
func = False
slots = 0
rlen_sum = 0
for line in os.popen("%s -u %s" % (readelf, sys.argv[1])):
m = start_pattern.match(line)
if m:
check_func(func, slots, rlen_sum)
func = m.group(1)
start = long(m.group(2), 16)
end = long(m.group(3), 16)
slots = 3 * (end - start) / 16
rlen_sum = 0L
num_funcs += 1
else:
m = rlen_pattern.match(line)
if m:
rlen_sum += long(m.group(1))
check_func(func, slots, rlen_sum)
if num_errors == 0:
print "No errors detected in %u functions." % num_funcs
else:
if num_errors > 1:
err="errors"
else:
err="error"
print "%u %s detected in %u functions." % (num_errors, err, num_funcs)
sys.exit(1)