Repository files (latest commit first)

Filename	Latest commit message	Latest commit date
Xie XiuQi bd85f4b37d ipmi: fix crash on reading version from proc after unregisted bmc ... I meet a crash, which could be reproduce: 1) while true; do cat /proc/ipmi/0/version; done 2) modprobe -rv ipmi_si ipmi_msghandler ipmi_devintf [82761.021137] IPMI BT: req2rsp=5 secs retries=2 [82761.034524] ipmi device interface [82761.222218] ipmi_si ipmi_si.0: Found new BMC (man_id: 0x0007db, prod_id: 0x0001, dev_id: 0x01) [82761.222230] ipmi_si ipmi_si.0: IPMI bt interface initialized [82903.922740] BUG: unable to handle kernel NULL pointer dereference at 00000000000002d4 [82903.930952] IP: [<ffffffffa030d9e8>] smi_version_proc_show+0x18/0x40 [ipmi_msghandler] [82903.939220] PGD 86693a067 PUD 865304067 PMD 0 [82903.943893] Thread overran stack, or stack corrupted [82903.949034] Oops: 0000 [#1] SMP [82903.983091] Modules linked in: ipmi_si(-) ipmi_msghandler binfmt_misc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ... [82904.057285] pps_core scsi_transport_sas dm_mod vfio_iommu_type1 vfio xt_sctp nf_conntrack_proto_sctp nf_nat_proto_sctp nf_nat nf_conntrack sctp libcrc32c [last unloaded: ipmi_devintf] [82904.073169] CPU: 37 PID: 28089 Comm: cat Tainted: GF O ---- ------- 3.10.0-327.28.3.el7.x86_64 #1 [82904.083373] Hardware name: Huawei RH2288H V3/BC11HGSA0, BIOS 3.22 05/16/2016 [82904.090592] task: ffff880101cc2e00 ti: ffff880369c54000 task.ti: ffff880369c54000 [82904.098414] RIP: 0010:[<ffffffffa030d9e8>] [<ffffffffa030d9e8>] smi_version_proc_show+0x18/0x40 [ipmi_msghandler] [82904.109124] RSP: 0018:ffff880369c57e70 EFLAGS: 00010203 [82904.114608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000024688470 [82904.121912] RDX: fffffffffffffff4 RSI: ffffffffa0313404 RDI: ffff8808670ce200 [82904.129218] RBP: ffff880369c57e70 R08: 0000000000019720 R09: ffffffff81204a27 [82904.136521] R10: ffff88046f803300 R11: 0000000000000246 R12: ffff880662399700 [82904.143828] R13: 0000000000000001 R14: ffff880369c57f48 R15: ffff8808670ce200 [82904.151128] FS: 00007fb70c9ca740(0000) GS:ffff88086e340000(0000) knlGS:0000000000000000 [82904.159557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [82904.165473] CR2: 00000000000002d4 CR3: 0000000864c0c000 CR4: 00000000003407e0 [82904.172778] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [82904.180084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [82904.187385] Stack: [82904.189573] ffff880369c57ee0 ffffffff81204f1a 00000000122a2427 0000000001426000 [82904.197392] ffff8808670ce238 0000000000010000 0000000000000000 0000000000000fff [82904.205198] 00000000122a2427 ffff880862079600 0000000001426000 ffff880369c57f48 [82904.212962] Call Trace: [82904.219667] [<ffffffff81204f1a>] seq_read+0xfa/0x3a0 [82904.224893] [<ffffffff8124ce2d>] proc_reg_read+0x3d/0x80 [82904.230468] [<ffffffff811e102c>] vfs_read+0x9c/0x170 [82904.235689] [<ffffffff811e1b7f>] SyS_read+0x7f/0xe0 [82904.240816] [<ffffffff81649209>] system_call_fastpath+0x16/0x1b [82904.246991] Code: 30 a0 e8 0c 6f ef e0 5b 5d c3 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 47 78 55 48 c7 c6 04 34 31 a0 48 89 e5 48 8b 40 50 <0f> b6 90 d4 02 00 00 31 c0 89 d1 83 e2 0f c0 e9 04 0f b6 c9 e8 [82904.267710] RIP [<ffffffffa030d9e8>] smi_version_proc_show+0x18/0x40 [ipmi_msghandler] [82904.276079] RSP <ffff880369c57e70> [82904.279734] CR2: 00000000000002d4 [82904.283731] ---[ end trace a69e4328b49dd7c4 ]--- [82904.328118] Kernel panic - not syncing: Fatal exception Reading versin from /proc need bmc device struct available. So in this patch we move add/remove_proc_entries between ipmi_bmc_register and ipmi_bmc_unregister. Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>		2016-10-03 09:09:47 -05:00
..
accessibility
acpi	nfit: fail DSMs that return non-zero status by default	2016-09-21 09:35:19 -07:00
amba
android	Revert "android: binder: fix dangling pointer comparison"	2016-08-18 17:21:37 +02:00
ata	pata_ninja32: Avoid corrupting status flags	2016-08-30 11:59:47 -04:00
atm	drivers: atm: nicstar: Use the correct function to free some resources	2016-07-19 11:30:26 -07:00
auxdisplay
base	regmap: Fix for v4.8	2016-09-23 11:50:49 -07:00
bcma	wireless-drivers-next patches for 4.8	2016-07-25 11:09:19 -07:00
block	Revert "floppy: refactor open() flags handling"	2016-08-25 08:56:51 -06:00
bluetooth	Bluetooth: btmrvl: reset is_suspending flag in failure path	2016-07-18 10:13:02 +02:00
bus	arm-cci: pmu: Fix typo in event name	2016-09-07 21:24:42 -07:00
cdrom	cdrom: support read sub-channel command in LBA format	2016-07-12 08:24:50 -07:00
char	ipmi: fix crash on reading version from proc after unregisted bmc	2016-10-03 09:09:47 -05:00
clk	Clock Fixes for the Allwinner SoCs, 4.8 Edition	2016-09-08 12:54:24 -07:00
clocksource	clocksource/drivers/atmel-pit: Fix compilation error	2016-08-29 09:51:39 +02:00
connector
cpufreq	cpufreq: dt: Add terminate entry for of_device_id tables	2016-08-31 02:49:05 +02:00
cpuidle	powerpc updates for 4.8 # 1	2016-07-30 21:01:36 -07:00
crypto	crypto: caam - fix IV loading for authenc (giv)decryption	2016-08-31 22:50:42 +08:00
dax	dax: fix mapping size check	2016-09-03 10:40:57 -07:00
dca
devfreq
dio
dma	dmaengine: img-mdc: fix a possible NULL dereference	2016-08-22 11:57:49 +05:30
dma-buf	dma-buf: Release module reference on creation failure	2016-07-18 14:10:49 +02:00
edac	EDAC, skx_edac: Add EDAC driver for Skylake	2016-08-21 10:58:34 -07:00
eisa
extcon
firewire
firmware	Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-09-13 12:02:00 -07:00
fmc
fpga	drivers/fpga/Kconfig: fix build failure	2016-08-04 08:50:07 -04:00
gpio	gpio: sa1100: fix irq probing for ucb1x00	2016-09-08 00:42:57 +02:00
gpu	drm: Only use compat ioctl for addfb2 on X86/IA64	2016-09-19 17:28:20 +10:00
hid	Merge branch 'for-4.8/hid-led' into for-linus	2016-07-28 10:49:23 +02:00
hsi
hv
hwmon	hwmon: (it87) Add missing sysfs attribute group terminator	2016-08-29 05:31:31 -07:00
hwspinlock
hwtracing	Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-07-29 13:55:30 -07:00
i2c	i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended	2016-09-22 20:11:14 +02:00
ide	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide	2016-07-29 13:29:06 -07:00
idle	Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-07-30 12:56:26 -07:00
iio	Second set of IIO fixes for the 4.8 cycle.	2016-09-09 13:44:37 +02:00
infiniband	Round three of 4.8 rc fixes	2016-09-16 13:51:42 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2016-09-23 16:34:24 -07:00
iommu	Merge branch 'for-joerg/arm-smmu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes	2016-08-22 12:33:56 +02:00
ipack
irqchip	irqchip/mips-gic: Fix local interrupts	2016-09-20 23:20:02 +02:00
isdn
leds	powerpc updates for 4.8 # 1	2016-07-30 21:01:36 -07:00
lguest
lightnvm	block: get rid of bio_rw and READA	2016-07-20 17:37:01 -06:00
macintosh	drivers/macintosh: Delete owner assignment	2016-08-22 11:09:33 +10:00
mailbox	fix📫bcm-pdc-mailbox:mark symbols static where possible	2016-08-29 18:43:39 +05:30
mcb
md	Merge tag 'md/4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md	2016-09-13 11:19:52 -07:00
media	[media] cx23885/saa7134: assign q->dev to the PCI device	2016-09-19 12:38:05 -03:00
memory	memory: omap-gpmc: allow probe of child nodes to fail	2016-08-08 11:18:40 +03:00
memstick	memstick: don't allocate unused major for ms_block	2016-08-02 17:31:41 -04:00
message
mfd	ARM: SoC driver updates for v4.8	2016-08-01 18:36:01 -04:00
misc	lkdtm: adjust usercopy tests to bypass const checks	2016-09-06 12:17:30 -07:00
mmc	mmc: dw_mmc: fix the spamming log message	2016-09-22 09:34:13 +02:00
mtd	Another round of MTD fixes for v4.8	2016-09-28 12:53:08 -07:00
net	linux-can-fixes-for-4.8-20160921	2016-09-22 02:47:46 -04:00
nfc	NFC 4.8 pull request	2016-07-20 23:39:36 -07:00
ntb	NTB: ntb_hw_intel: use local variable pdev	2016-08-05 10:34:13 -04:00
nubus
nvdimm	libnvdimm, region: fix flush hint table thinko	2016-09-24 11:45:38 -07:00
nvme	nvme-rdma: only clear queue flags after successful connect	2016-09-22 19:58:17 -06:00
nvmem
of	of: fix reference counting in of_graph_get_endpoint_by_regs	2016-08-15 11:15:05 -05:00
oprofile
parisc	dma-mapping: use unsigned long for dma_attrs	2016-08-04 08:50:07 -04:00
parport
pci	PCI updates for v4.8:	2016-09-14 14:06:30 -07:00
pcmcia	pcmcia: lubbock: fix sockets configuration	2016-09-12 10:57:01 +01:00
perf	drivers/perf: arm_pmu: Fix NULL pointer dereference during probe	2016-09-02 17:17:52 +01:00
phy	phy: sun9i-usb: fix error handling	2016-08-12 14:59:10 +05:30
pinctrl	pinctrl: sunxi: fix uart1 CTS/RTS pins at PG on A23/A33	2016-08-23 12:28:31 +02:00
platform	intel_pmic_gpio: Make explicitly non-modular	2016-08-28 22:31:52 -07:00
pnp	PNP: pnpbios: add header file to fix build errors	2016-07-27 18:52:54 +02:00
power	power_supply: tps65217-charger: fix missing platform_set_drvdata()	2016-08-15 23:10:44 +02:00
powercap
pps	pps: do not crash when failed to register	2016-07-23 10:25:54 +09:00
ps3
ptp
pwm	pwm: Changes for v4.8-rc1	2016-08-06 00:01:33 -04:00
rapidio	rapidio/rio_cm: avoid GFP_KERNEL in atomic context	2016-09-19 15:36:17 -07:00
ras
regulator	Merge remote-tracking branches 'regulator/fix/email' and 'regulator/fix/qcom-smd' into regulator-linus	2016-09-06 12:31:34 +01:00
remoteproc	dma-mapping: use unsigned long for dma_attrs	2016-08-04 08:50:07 -04:00
reset
rpmsg
rtc	RTC for 4.8	2016-08-05 09:48:22 -04:00
s390	s390/qeth: fix setting VIPA address	2016-09-16 04:29:14 -04:00
sbus
scsi	SCSI fixes on 20160906	2016-09-06 11:06:52 -07:00
sfi
sh
sn
soc	ARM: SoC driver updates for v4.8	2016-08-01 18:36:01 -04:00
spi	Merge remote-tracking branches 'spi/fix/lock', 'spi/fix/maintainers', 'spi/fix/put', 'spi/fix/pxa2xx', 'spi/fix/sh-msiof' and 'spi/fix/timeout' into spi-linus	2016-09-06 12:32:09 +01:00
spmi
ssb
staging	media fixes for v4.8-rc8	2016-09-22 09:04:49 -07:00
target	target: iblock_execute_sync_cache() should use bio_set_op_attrs()	2016-08-07 14:41:02 -06:00
tc
thermal	thermal: rcar_thermal: Fix priv->zone error handling	2016-09-06 20:46:06 +08:00
thunderbolt	thunderbolt: Don't declare Falcon Ridge unsupported	2016-08-31 13:25:02 +02:00
tty	serial: 8250: added acces i/o products quad and octal serial cards	2016-08-31 16:28:26 +02:00
uio
usb	USB-serial fixes for v4.8-rc7	2016-09-16 17:42:10 +02:00
uwb
vfio	vfio/pci: Fix NULL pointer oops in error interrupt setup handling	2016-08-08 16:16:23 -06:00
vhost	vhost/scsi: fix reuse of &vq->iov[out] in response	2016-08-23 17:16:57 +03:00
video	dma-mapping: use unsigned long for dma_attrs	2016-08-04 08:50:07 -04:00
virt
virtio	virtio: mark vring_dma_dev() static	2016-09-09 21:12:35 +03:00
vlynq
vme
w1	w1:omap_hdq: fix regression	2016-08-02 19:35:40 -04:00
watchdog	watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe()	2016-07-27 10:47:43 +02:00
xen	xenbus: don't look up transaction IDs for ordinary writes	2016-08-24 18:16:18 +01:00
zorro
Kconfig
Makefile	ipmi: add an Aspeed BT IPMI BMC driver	2016-09-29 19:05:06 -05:00