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5160a153a0
linux/drivers
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Andrew Jeffery 5160a153a0 net: ftgmac100: Fix oops in probe on failure to find associated PHY 
netif_napi_del() should be paired with netif_napi_add(), however no
such call takes place in ftgmac100_probe(). This triggers a NULL
pointer dereference if e.g. no PHY is found by the MDIO probe:

	 [ 2.770000] libphy: Fixed MDIO Bus: probed
	 [ 2.770000] ftgmac100 1e660000.ethernet: Generated random MAC address 66:58:c0:5a:50:b8
	 [ 2.790000] libphy: ftgmac100_mdio: probed
	 [ 2.790000] ftgmac100 1e660000.ethernet (unnamed net_device) (uninitialized): eth%d: no PHY found
	 [ 2.790000] ftgmac100 1e660000.ethernet: MII Probe failed!
	 [ 2.810000] Unable to handle kernel NULL pointer dereference at virtual address 00000004
	 [ 2.810000] pgd = 80004000
	 [ 2.810000] [00000004] *pgd=00000000
	 [ 2.810000] Internal error: Oops: 805 [#1] ARM
	 [ 2.810000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.10.17-1a4df30c39cf5ee0e3d2528c409787ccbb4a672a #1
	 [ 2.810000] Hardware name: ASpeed SoC
	 [ 2.810000] task: 9e421b60 task.stack: 9e4a0000
	 [ 2.810000] PC is at netif_napi_del+0x74/0xa4
	 [ 2.810000] LR is at ftgmac100_probe+0x290/0x674
	 [ 2.810000] pc : [<80331004>] lr : [<80292b30>] psr: 60000013
	 [ 2.810000] sp : 9e4a1d70 ip : 9e4a1d88 fp : 9e4a1d84
	 [ 2.810000] r10: 9e565000 r9 : ffffffed r8 : 00000007
	 [ 2.810000] r7 : 9e565480 r6 : 9ec072c0 r5 : 00000000 r4 : 9e5654d8
	 [ 2.810000] r3 : 9e565530 r2 : 00000000 r1 : 00000000 r0 : 9e5654d8
	 [ 2.810000] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
	 [ 2.810000] Control: 00c5387d Table: 80004008 DAC: 00000055
	 [ 2.810000] Process swapper (pid: 1, stack limit = 0x9e4a0188)
	 [ 2.810000] Stack: (0x9e4a1d70 to 0x9e4a2000)
	 [ 2.810000] 1d60: 9e565000 9e549e10 9e4a1dcc 9e4a1d88
	 [ 2.810000] 1d80: 80292b30 80330f9c ffffffff 9e4a1d98 80146058 9ec072c0 00009e10 00000000
	 [ 2.810000] 1da0: 9e549e18 9e549e10 ffffffed 805f81f4 fffffdfb 00000000 00000000 00000000
	 [ 2.810000] 1dc0: 9e4a1dec 9e4a1dd0 80243df8 802928ac 9e549e10 8062cbd8 8062cbe0 805f81f4
	 [ 2.810000] 1de0: 9e4a1e24 9e4a1df0 80242178 80243da4 803001d0 802ffa60 9e4a1e24 9e549e10
	 [ 2.810000] 1e00: 9e549e44 805f81f4 00000000 00000000 805b8840 8058a6b0 9e4a1e44 9e4a1e28
	 [ 2.810000] 1e20: 80242434 80241f04 00000000 805f81f4 80242344 00000000 9e4a1e6c 9e4a1e48
	 [ 2.810000] 1e40: 80240148 80242350 9e425bac 9e4fdc90 9e790e94 805f81f4 9e790e60 805f5640
	 [ 2.810000] 1e60: 9e4a1e7c 9e4a1e70 802425dc 802400d8 9e4a1ea4 9e4a1e80 80240ba8 802425c0
	 [ 2.810000] 1e80: 8050b6ac 9e4a1e90 805f81f4 ffffe000 805b8838 80616720 9e4a1ebc 9e4a1ea8
	 [ 2.810000] 1ea0: 80243068 80240a68 805ab24c ffffe000 9e4a1ecc 9e4a1ec0 80244a38 80242fec
	 [ 2.810000] 1ec0: 9e4a1edc 9e4a1ed0 805ab264 80244a04 9e4a1f4c 9e4a1ee0 8058ae70 805ab258
	 [ 2.810000] 1ee0: 80032c68 801e3fd8 8052f800 8041af2c 9e4a1f4c 9e4a1f00 80032f90 8058a6bc
	 [ 2.810000] 1f00: 9e4a1f2c 9e4a1f10 00000006 00000006 00000000 8052f220 805112f0 00000000
	 [ 2.810000] 1f20: 9e4a1f4c 00000006 80616720 805cf400 80616720 805b8838 80616720 00000057
	 [ 2.810000] 1f40: 9e4a1f94 9e4a1f50 8058b040 8058add0 00000006 00000006 00000000 8058a6b0
	 [ 2.810000] 1f60: 3940bf3d 00000007 f115c2e8 00000000 803fd158 00000000 00000000 00000000
	 [ 2.810000] 1f80: 00000000 00000000 9e4a1fac 9e4a1f98 803fd170 8058af38 00000000 803fd158
	 [ 2.810000] 1fa0: 00000000 9e4a1fb0 8000a5e8 803fd164 00000000 00000000 00000000 00000000
	 [ 2.810000] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	 [ 2.810000] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 d11dcae8 af8ddec5
	 [ 2.810000] [<80331004>] (netif_napi_del) from [<80292b30>] (ftgmac100_probe+0x290/0x674)
	 [ 2.810000] [<80292b30>] (ftgmac100_probe) from [<80243df8>] (platform_drv_probe+0x60/0xc0)
	 [ 2.810000] [<80243df8>] (platform_drv_probe) from [<80242178>] (driver_probe_device+0x280/0x44c)
	 [ 2.810000] [<80242178>] (driver_probe_device) from [<80242434>] (__driver_attach+0xf0/0x104)
	 [ 2.810000] [<80242434>] (__driver_attach) from [<80240148>] (bus_for_each_dev+0x7c/0xb0)
	 [ 2.810000] [<80240148>] (bus_for_each_dev) from [<802425dc>] (driver_attach+0x28/0x30)
	 [ 2.810000] [<802425dc>] (driver_attach) from [<80240ba8>] (bus_add_driver+0x14c/0x268)
	 [ 2.810000] [<80240ba8>] (bus_add_driver) from [<80243068>] (driver_register+0x88/0x104)
	 [ 2.810000] [<80243068>] (driver_register) from [<80244a38>] (__platform_driver_register+0x40/0x54)
	 [ 2.810000] [<80244a38>] (__platform_driver_register) from [<805ab264>] (ftgmac100_driver_init+0x18/0x20)
	 [ 2.810000] [<805ab264>] (ftgmac100_driver_init) from [<8058ae70>] (do_one_initcall+0xac/0x168)
	 [ 2.810000] [<8058ae70>] (do_one_initcall) from [<8058b040>] (kernel_init_freeable+0x114/0x1cc)
	 [ 2.810000] [<8058b040>] (kernel_init_freeable) from [<803fd170>] (kernel_init+0x18/0x104)
	 [ 2.810000] [<803fd170>] (kernel_init) from [<8000a5e8>] (ret_from_fork+0x14/0x2c)
	 [ 2.810000] Code: e594205c e5941058 e2843058 e3a05000 (e5812004)
	 [ 3.210000] ---[ end trace f32811052fd3860c ]---

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-22 14:17:47 -07:00
..
accessibility
acpi tty/serial fixes for 4.13-rc5 2017-08-13 12:33:35 -07:00
amba
android binder: Use wake up hint for synchronous transactions. 2017-07-17 14:44:19 +02:00
ata libata: fix a couple of doc build warnings 2017-07-31 08:03:06 -07:00
atm atm: zatm: Fix an error handling path in 'zatm_init_one()' 2017-07-18 11:37:46 -07:00
auxdisplay
base driver core fixes for 4.13-rc5 2017-08-13 12:44:18 -07:00
bcma
block Merge branch 'stable/for-jens-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus 2017-08-16 09:56:34 -06:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-07-05 12:31:59 -07:00
bus bus: uniphier-system-bus: set up registers when resuming 2017-08-04 12:57:18 +02:00
cdrom block: don't set bounce limit in blk_init_queue 2017-06-27 12:13:45 -06:00
char random: fix warning message on ia64 and parisc 2017-08-08 09:36:46 -07:00
clk clk: keystone: sci-clk: Fix sci_clk_get 2017-08-02 18:37:26 -07:00
clocksource clocksource/drivers/Kconfig: Fix CLKSRC_PISTACHIO dependencies 2017-08-11 12:53:29 +02:00
connector
cpufreq cpufreq: intel_pstate: report correct CPU frequencies during trace 2017-08-11 01:25:53 +02:00
cpuidle powerpc/powernv/idle: Disable LOSE_FULL_CONTEXT states when stop-api fails 2017-08-08 20:21:23 +10:00
crypto crypto: ixp4xx - Fix error handling path in 'aead_perform()' 2017-08-09 20:01:33 +08:00
dax - A few DM integrity fixes that improve performance. One that address 2017-07-28 12:17:17 -07:00
dca
devfreq PM / devfreq: constify attribute_group structures. 2017-07-06 10:17:24 +09:00
dio
dma dmaengine updates for 4.13-rc1 2017-07-08 12:36:50 -07:00
dma-buf dma-buf/sync_file: Allow multiple sync_files to wrap a single dma-fence 2017-07-31 10:55:24 -03:00
edac EDAC, pnd2: Fix Apollo Lake DIMM detection 2017-06-29 10:37:50 +02:00
eisa
extcon
firewire
firmware efi: avoid fortify checks in EFI stub 2017-07-12 16:26:02 -07:00
fmc
fpga
fsi drivers/fsi: fix fsi_slave_mode prototype 2017-07-17 16:13:54 +02:00
gpio gpio: tegra: fix unbalanced chained_irq_enter/exit 2017-08-02 10:42:38 +02:00
gpu Merge branch 'drm-fixes-4.13' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2017-08-18 05:45:03 +10:00
hid HID: ortek: add one more buggy device 2017-07-24 17:38:21 +02:00
hsi HSI changes for the v4.13 series 2017-07-04 14:28:22 -07:00
hv vmbus: re-enable channel tasklet 2017-07-17 15:00:47 +02:00
hwmon hwmon: (applesmc) Avoid buffer overruns 2017-07-15 16:38:56 -07:00
hwspinlock
hwtracing Char/Misc patches for 4.13-rc1 2017-07-03 20:55:59 -07:00
i2c i2c: allow i2c-versatile for ARM MPS platforms 2017-07-31 17:05:16 +02:00
ide ide: avoid warning for timings calculation 2017-07-21 04:37:22 +01:00
idle intel_idle: Use more common logging style 2017-06-29 22:58:35 +02:00
iio First set of IIO fixes for the 4.13 cycle. 2017-07-23 20:54:31 -07:00
infiniband IB/uverbs: Fix NULL pointer dereference during device removal 2017-08-16 12:53:15 -04:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2017-08-17 13:45:44 -07:00
iommu iommu/arm-smmu: fix null-pointer dereference in arm_smmu_add_device 2017-08-11 16:56:51 +02:00
ipack
irqchip irqchip fixes for 4.13 2017-08-14 09:34:10 +02:00
isdn mISDN: Fix null pointer dereference at mISDN_FsmNew 2017-08-11 14:56:23 -07:00
leds LED updates for 4.13 2017-07-06 11:32:40 -07:00
lguest
lightnvm lightnvm: pblk: advance bio according to lba index 2017-07-28 08:06:00 -06:00
macintosh Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-05 13:13:32 -07:00
mailbox mailbox: pcc: Fix crash when request PCC channel 0 2017-07-26 02:11:47 +02:00
mcb
md MD: not clear ->safemode for external metadata array 2017-08-11 20:42:06 -07:00
media media: platform: davinci: drop VPFE_CMD_S_CCDC_RAW_PARAMS 2017-07-26 06:14:33 -04:00
memory ARM: SoC driver updates 2017-07-04 14:47:47 -07:00
memstick
message
mfd chrome-platform-for-linus-4.13 2017-07-11 09:55:47 -07:00
misc mei: exclude device from suspend direct complete optimization 2017-08-10 14:13:18 -07:00
mmc mmc: block: fix lockdep splat when removing mmc_block module 2017-08-09 13:19:44 +02:00
mtd mtd: blkdevs: Fix mtd block write failure 2017-08-12 14:53:24 -07:00
mux mux: mux-core: unregister mux_class in mux_exit() 2017-07-17 16:38:35 +02:00
net net: ftgmac100: Fix oops in probe on failure to find associated PHY 2017-08-22 14:17:47 -07:00
nfc NFC 4.13 pull request 2017-07-01 14:30:39 -07:00
ntb ntb: Add error path/handling to Debug FS entry creation 2017-07-06 11:30:08 -04:00
nubus
nvdimm libnvdimm: fix badblock range handling of ARS range 2017-07-17 11:43:58 -07:00
nvme nvme-pci: set cqe_seen on polled completions 2017-08-18 09:19:39 +02:00
nvmem nvmem: rockchip-efuse: amend compatible rk322x-efuse to rk3228-efuse 2017-07-17 16:15:57 +02:00
of of: fix DMA mask generation 2017-08-17 10:23:45 +02:00
oprofile
parisc parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo 2017-08-16 09:50:39 +02:00
parport
pci PCI: Allow PCI express root ports to find themselves 2017-08-18 16:14:37 -07:00
pcmcia
perf drivers/perf: arm_pmu: Request PMU SPIs with IRQF_PER_CPU 2017-07-27 13:43:22 +01:00
phy phy: bcm-ns-usb3: fix MDIO_BUS dependency 2017-07-27 17:20:19 -07:00
pinctrl Pin control fixes for the v4.13 cycle: 2017-08-09 14:30:34 -07:00
platform platform/x86: intel-vbtn: match power button on press rather than release 2017-08-05 14:37:19 -07:00
pnp This is the bulk of GPIO changes for the v4.13 series: 2017-07-07 12:40:27 -07:00
power power supply and reset changes for the v4.13 series (part 2) 2017-07-13 11:47:59 -07:00
powercap powercap/RAPL: prevent overridding bits outside of the mask 2017-06-28 00:38:34 +02:00
pps
ps3
ptp ptp: introduce ptp auxiliary worker 2017-08-01 15:22:55 -07:00
pwm pwm: Changes for v4.13-rc1 2017-07-13 11:49:52 -07:00
rapidio
ras arm64 updates for 4.13: 2017-07-05 17:09:27 -07:00
regulator Merge remote-tracking branches 'regulator/topic/settle', 'regulator/topic/tps65910' and 'regulator/topic/tps65917' into regulator-next 2017-07-03 16:52:21 +01:00
remoteproc remoteproc/keystone: Fix circular dependencies for ARM configs 2017-06-27 16:21:34 -07:00
reset ARM: SoC driver updates 2017-07-04 14:47:47 -07:00
rpmsg rpmsg updates for v4.13 2017-07-06 15:38:31 -07:00
rtc rtc: ds1307: fix regmap config 2017-08-21 11:08:03 +02:00
s390 s390/qeth: fix L3 next-hop in xmit qeth hdr 2017-08-07 11:24:37 -07:00
sbus sbus: Convert to using %pOF instead of full_name 2017-07-20 12:37:10 -07:00
scsi SCSI fixes on 20170816 2017-08-16 17:21:20 -07:00
sfi
sh drivers/sh/intc/virq.c: delete an error message for a failed memory allocation in add_virq_to_pirq() 2017-07-06 16:24:30 -07:00
sn
soc soc: ti: ti_sci_pm_domains: Populate name for genpd 2017-08-18 11:59:53 +02:00
spi Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-08 10:41:53 -07:00
spmi spmi: pmic-arb: Always allocate ppid_to_apid table 2017-07-17 15:00:47 +02:00
ssb
staging staging/iio fixes for 4.13-rc5 2017-08-13 12:30:17 -07:00
target target: Fix node_acl demo-mode + uncached dynamic shutdown regression 2017-08-09 20:55:19 -07:00
tc
tee
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2017-07-14 13:12:32 -07:00
thunderbolt char/misc fixes for 4.13-rc5 2017-08-13 12:41:58 -07:00
tty pty: fix the cached path of the pty slave file descriptor in the master 2017-08-17 09:10:48 -07:00
uio
usb USB fixes for 4.13-rc5 2017-08-13 12:27:42 -07:00
uwb driver core patches for 4.13-rc1 2017-07-03 20:27:48 -07:00
vfio vfio/pci: Fix handling of RC integrated endpoint PCIe capability size 2017-07-27 10:39:33 -06:00
vhost Revert "vhost: cache used event for better performance" 2017-07-29 14:15:56 -07:00
video efifb: allow user to disable write combined mapping. 2017-07-31 18:45:41 +02:00
virt
virtio virtio-balloon: coding format cleanup 2017-07-25 16:37:35 +03:00
vlynq
vme
w1 w1: omap-hdq: fix error return code in omap_hdq_probe() 2017-07-17 16:48:15 +02:00
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2017-07-11 09:59:37 -07:00
xen Merge branch 'stable/for-jens-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus 2017-08-16 09:56:34 -06:00
zorro
Kconfig
Makefile