- 05 5月, 2010 1 次提交
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由 Joern Engel 提交于
Refusing to mount beats a kernel crash. Signed-off-by: NJoern Engel <joern@logfs.org>
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- 02 5月, 2010 3 次提交
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由 Joern Engel 提交于
logfs_seek_hole() may return the same offset it is passed as argument. Found by Prasad Joshi <prasadjoshi124@gmail.com> Signed-off-by: NJoern Engel <joern@logfs.org>
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由 Joern Engel 提交于
logfs_seek_hole(inode, 0x200) would crap itself if the inode contained just 0x1ff (or fewer) blocks. Signed-off-by: NJoern Engel <joern@logfs.org>
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由 Joern Engel 提交于
Signed-off-by: NJoern Engel <joern@logfs.org>
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- 29 4月, 2010 16 次提交
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由 Joern Engel 提交于
Signed-off-by: NJoern Engel <joern@logfs.org>
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由 Dan Carpenter 提交于
There is a typo here. We should test "last" instead of "first". Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NJoern Engel <joern@logfs.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86/PCI: compute Address Space length rather than using _LEN x86/PCI: never allocate PCI MMIO resources below BIOS_END
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由 Al Viro 提交于
If dentry found stale happens to be a root of disconnected tree, we can't d_drop() it; its d_hash is actually part of s_anon and d_drop() would simply hide it from shrink_dcache_for_umount(), leading to all sorts of fun, including busy inodes on umount and oopsen after that. Bug had been there since at least 2006 (commit c636eb already has it), so it's definitely -stable fodder. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: regulator: fix enabling regulator issue on max8925
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits) sfc: Change falcon_probe_board() to fail for unsupported boards sfc: Always close net device at the end of a disabling reset sfc: Wait at most 10ms for the MC to finish reading out MAC statistics sctp: Fix oops when sending queued ASCONF chunks sctp: fix to calc the INIT/INIT-ACK chunk length correctly is set sctp: per_cpu variables should be in bh_disabled section sctp: fix potential reference of a freed pointer sctp: avoid irq lock inversion while call sk->sk_data_ready() Revert "tcp: bind() fix when many ports are bound" net/usb: add sierra_net.c driver cdc_ether: fix autosuspend for mbm devices bluetooth: handle l2cap_create_connless_pdu() errors gianfar: Wait for both RX and TX to stop ipheth: potential null dereferences on error path smc91c92_cs: spin_unlock_irqrestore before calling smc_interrupt() drivers/usb/net/kaweth.c: add device "Allied Telesyn AT-USB10 USB Ethernet Adapter" bnx2: Update version to 2.0.9. bnx2: Prevent "scheduling while atomic" warning with cnic, bonding and vlan. bnx2: Fix lost MSI-X problem on 5709 NICs. cxgb3: Wait longer for control packets on initialization ...
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由 Ben Hutchings 提交于
The driver needs specific PHY and board support code for each SFC4000 board; there is no point trying to continue if it is missing. Currently unsupported boards can trigger an 'oops'. Signed-off-by: NBen Hutchings <bhutchings@solarflare.com> Cc: stable@kernel.org Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ben Hutchings 提交于
This fixes a regression introduced by commit eb9f6744 "sfc: Implement ethtool reset operation". Signed-off-by: NBen Hutchings <bhutchings@solarflare.com> Cc: stable@kernel.org Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ben Hutchings 提交于
The original code would wait indefinitely if MAC stats DMA failed. Signed-off-by: NBen Hutchings <bhutchings@solarflare.com> Cc: stable@kernel.org Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vlad Yasevich 提交于
When we finish processing ASCONF_ACK chunk, we try to send the next queued ASCONF. This action runs the sctp state machine recursively and it's not prepared to do so. kernel BUG at kernel/timer.c:790! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/module/ipv6/initstate Modules linked in: sha256_generic sctp libcrc32c ipv6 dm_multipath uinput 8139too i2c_piix4 8139cp mii i2c_core pcspkr virtio_net joydev floppy virtio_blk virtio_pci [last unloaded: scsi_wait_scan] Pid: 0, comm: swapper Not tainted 2.6.34-rc4 #15 /Bochs EIP: 0060:[<c044a2ef>] EFLAGS: 00010286 CPU: 0 EIP is at add_timer+0xd/0x1b EAX: cecbab14 EBX: 000000f0 ECX: c0957b1c EDX: 03595cf4 ESI: cecba800 EDI: cf276f00 EBP: c0957aa0 ESP: c0957aa0 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process swapper (pid: 0, ti=c0956000 task=c0988ba0 task.ti=c0956000) Stack: c0957ae0 d1851214 c0ab62e4 c0ab5f26 0500ffff 00000004 00000005 00000004 <0> 00000000 d18694fd 00000004 1666b892 cecba800 cecba800 c0957b14 00000004 <0> c0957b94 d1851b11 ceda8b00 cecba800 cf276f00 00000001 c0957b14 000000d0 Call Trace: [<d1851214>] ? sctp_side_effects+0x607/0xdfc [sctp] [<d1851b11>] ? sctp_do_sm+0x108/0x159 [sctp] [<d1863386>] ? sctp_pname+0x0/0x1d [sctp] [<d1861a56>] ? sctp_primitive_ASCONF+0x36/0x3b [sctp] [<d185657c>] ? sctp_process_asconf_ack+0x2a4/0x2d3 [sctp] [<d184e35c>] ? sctp_sf_do_asconf_ack+0x1dd/0x2b4 [sctp] [<d1851ac1>] ? sctp_do_sm+0xb8/0x159 [sctp] [<d1863334>] ? sctp_cname+0x0/0x52 [sctp] [<d1854377>] ? sctp_assoc_bh_rcv+0xac/0xe1 [sctp] [<d1858f0f>] ? sctp_inq_push+0x2d/0x30 [sctp] [<d186329d>] ? sctp_rcv+0x797/0x82e [sctp] Tested-by: NWei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: NYuansong Qiao <ysqiao@research.ait.ie> Signed-off-by: NShuaijun Zhang <szhang@research.ait.ie> Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Yongjun 提交于
When calculating the INIT/INIT-ACK chunk length, we should not only account the length of parameters, but also the parameters zero padding length, such as AUTH HMACS parameter and CHUNKS parameter. Without the parameters zero padding length we may get following oops. skb_over_panic: text:ce2068d2 len:130 put:6 head:cac3fe00 data:cac3fe00 tail:0xcac3fe82 end:0xcac3fe80 dev:<NULL> ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:127! invalid opcode: 0000 [#2] SMP last sysfs file: /sys/module/aes_generic/initstate Modules linked in: authenc ...... Pid: 4102, comm: sctp_darn Tainted: G D 2.6.34-rc2 #6 EIP: 0060:[<c0607630>] EFLAGS: 00010282 CPU: 0 EIP is at skb_over_panic+0x37/0x3e EAX: 00000078 EBX: c07c024b ECX: c07c02b9 EDX: cb607b78 ESI: 00000000 EDI: cac3fe7a EBP: 00000002 ESP: cb607b74 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process sctp_darn (pid: 4102, ti=cb607000 task=cabdc990 task.ti=cb607000) Stack: c07c02b9 ce2068d2 00000082 00000006 cac3fe00 cac3fe00 cac3fe82 cac3fe80 <0> c07c024b cac3fe7c cac3fe7a c0608dec ca986e80 ce2068d2 00000006 0000007a <0> cb8120ca ca986e80 cb812000 00000003 cb8120c4 ce208a25 cb8120ca cadd9400 Call Trace: [<ce2068d2>] ? sctp_addto_chunk+0x45/0x85 [sctp] [<c0608dec>] ? skb_put+0x2e/0x32 [<ce2068d2>] ? sctp_addto_chunk+0x45/0x85 [sctp] [<ce208a25>] ? sctp_make_init+0x279/0x28c [sctp] [<c0686a92>] ? apic_timer_interrupt+0x2a/0x30 [<ce1fdc0b>] ? sctp_sf_do_prm_asoc+0x2b/0x7b [sctp] [<ce202823>] ? sctp_do_sm+0xa0/0x14a [sctp] [<ce2133b9>] ? sctp_pname+0x0/0x14 [sctp] [<ce211d72>] ? sctp_primitive_ASSOCIATE+0x2b/0x31 [sctp] [<ce20f3cf>] ? sctp_sendmsg+0x7a0/0x9eb [sctp] [<c064eb1e>] ? inet_sendmsg+0x3b/0x43 [<c04244b7>] ? task_tick_fair+0x2d/0xd9 [<c06031e1>] ? sock_sendmsg+0xa7/0xc1 [<c0416afe>] ? smp_apic_timer_interrupt+0x6b/0x75 [<c0425123>] ? dequeue_task_fair+0x34/0x19b [<c0446abb>] ? sched_clock_local+0x17/0x11e [<c052ea87>] ? _copy_from_user+0x2b/0x10c [<c060ab3a>] ? verify_iovec+0x3c/0x6a [<c06035ca>] ? sys_sendmsg+0x186/0x1e2 [<c042176b>] ? __wake_up_common+0x34/0x5b [<c04240c2>] ? __wake_up+0x2c/0x3b [<c057e35c>] ? tty_wakeup+0x43/0x47 [<c04430f2>] ? remove_wait_queue+0x16/0x24 [<c0580c94>] ? n_tty_read+0x5b8/0x65e [<c042be02>] ? default_wake_function+0x0/0x8 [<c0604e0e>] ? sys_socketcall+0x17f/0x1cd [<c040264c>] ? sysenter_do_call+0x12/0x22 Code: 0f 45 de 53 ff b0 98 00 00 00 ff b0 94 ...... EIP: [<c0607630>] skb_over_panic+0x37/0x3e SS:ESP 0068:cb607b74 To reproduce: # modprobe sctp # echo 1 > /proc/sys/net/sctp/addip_enable # echo 1 > /proc/sys/net/sctp/auth_enable # sctp_test -H 3ffe:501:ffff:100:20c:29ff:fe4d:f37e -P 800 -l # sctp_darn -H 3ffe:501:ffff:100:20c:29ff:fe4d:f37e -P 900 -h 192.168.0.21 -p 800 -I -s -t sctp_darn ready to send... 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> bindx-add=192.168.0.21 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> bindx-add=192.168.1.21 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> snd=10 ------------------------------------------------------------------ eth0 has addresses: 3ffe:501:ffff:100:20c:29ff:fe4d:f37e and 192.168.0.21 eth1 has addresses: 192.168.1.21 ------------------------------------------------------------------ Reported-by: NGeorge Cheimonidis <gchimon@gmail.com> Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vlad Yasevich 提交于
Since the change of the atomics to percpu variables, we now have to disable BH in process context when touching percpu variables. Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vlad Yasevich 提交于
When sctp attempts to update an assocition, it removes any addresses that were not in the updated INITs. However, the loop may attempt to refrence a transport with address after removing it. Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Yongjun 提交于
sk->sk_data_ready() of sctp socket can be called from both BH and non-BH contexts, but the default sk->sk_data_ready(), sock_def_readable(), can not be used in this case. Therefore, we have to make a new function sctp_data_ready() to grab sk->sk_data_ready() with BH disabling. ========================================================= [ INFO: possible irq lock inversion dependency detected ] 2.6.33-rc6 #129 --------------------------------------------------------- sctp_darn/1517 just changed the state of lock: (clock-AF_INET){++.?..}, at: [<c06aab60>] sock_def_readable+0x20/0x80 but this lock took another, SOFTIRQ-unsafe lock in the past: (slock-AF_INET){+.-...} and interrupts could create inverse lock ordering between them. other info that might help us debug this: 1 lock held by sctp_darn/1517: #0: (sk_lock-AF_INET){+.+.+.}, at: [<cdfe363d>] sctp_sendmsg+0x23d/0xc00 [sctp] Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
This reverts two commits: fda48a0d tcp: bind() fix when many ports are bound and a follow-on fix for it: 6443bb1f ipv6: Fix inet6_csk_bind_conflict() It causes problems with binding listening sockets when time-wait sockets from a previous instance still are alive. It's too late to keep fiddling with this so late in the -rc series, and we'll deal with it in net-next-2.6 instead. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Bjorn Helgaas 提交于
ACPI _CRS Address Space Descriptors have _MIN, _MAX, and _LEN. Linux has been computing Address Spaces as [_MIN to _MIN + _LEN - 1]. Based on the tests in the bug reports below, Windows apparently uses [_MIN to _MAX]. Per spec (ACPI 4.0, Table 6-40), for _CRS fixed-size, fixed location descriptors, "_LEN must be (_MAX - _MIN + 1)", and when that's true, it doesn't matter which way we compute the end. But of course, there are BIOSes that don't follow this rule, and we're better off if Linux handles those exceptions the same way as Windows. This patch makes Linux use [_MIN to _MAX], as Windows seems to do. This effectively reverts d558b483 and 03db42ad and replaces them with simpler code. https://bugzilla.kernel.org/show_bug.cgi?id=14337 (round) https://bugzilla.kernel.org/show_bug.cgi?id=15480 (truncate) Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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- 28 4月, 2010 20 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6由 Linus Torvalds 提交于
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: fix matching rules for pseudo-multi-function cards pcmcia: pcmcia_dev_present bugfix
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git://git.kernel.dk/linux-2.6-block由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: coda: move backing-dev.h kernel include inside __KERNEL__ mtd: ensure that bdi entries are properly initialized and registered Move mtd_bdi_*mappable to mtdcore.c btrfs: convert to using bdi_setup_and_register() Catch filesystems lacking s_bdi drbd: Terminate a connection early if sending the protocol fails drbd: fix memory leak Fix JFFS2 sync silent failure smbfs: add bdi backing to mount session ncpfs: add bdi backing to mount session exofs: add bdi backing to mount session ecryptfs: add bdi backing to mount session coda: add bdi backing to mount session cifs: add bdi backing to mount session afs: add bdi backing to mount session. 9p: add bdi backing to mount session bdi: add helper function for doing init and register of a bdi for a file system block: ensure jiffies wrap is handled correctly in blk_rq_timed_out_timer
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git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: booke_wdt: fix build - unconstify watchdog_info watchdog: sbc_fitpc2_wdt: fixed "scheduling while atomic" bug. watchdog: sbc_fitpc2_wdt: fixed I/O operations order Watchdog: sb_wdog.c: Fix sibyte watchdog initialization
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由 Haojian Zhuang 提交于
Fix regulator enabling issue that is caused by typo error in is_enabled(). Signed-off-by: NHaojian Zhuang <haojian.zhuang@marvell.com> Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>
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由 Jens Axboe 提交于
Otherwise we must export backing-dev.h as well, which doesn't make any sense. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Elina Pasheva 提交于
Re-submitted based on comments from netdev community. Summary of the changes: 1. Improved error handling. 2. Added the missing timeout arguments to usb_control_msg(). The following is a new Linux driver which exposes certain models of Sierra Wireless modems to the operating system as Network Interface Cards (NICs). This driver requires a version of the sierra.c driver which supports blacklisting to work properly. The blacklist in sierra.c rejects the interfaces claimed by sierra_net.c. Likewise, the sierra_net.c driver only accepts (i.e. whitelists) the interface(s) used for USB-to-WWAN traffic. The version of sierra.c which supports blacklisting is available from the sierra wireless knowledge base page for older kernels. It is also available in Linux kernel starting from version 2.6.31. This driver works with all Sierra Wireless devices configured with PID=68A3 like USB305, USB306 provided the corresponding firmware version is I2.0 (for USB305) or M3.0 (for USB306) and later. This driver will not work with earlier firmware versions than the ones shown above. In this case the driver will issue an error message indicating incompatibility and will not serve the device's USB-to-WWAN interface. Sierra_net.c sits atop a pre-existing Linux driver called usbnet.c. A series of hook functions are provided in sierra_net.c which are called by usbnet.c in response to a particular condition such as receipt or transmission of a data packet. As such, usbnet.c does most of the work of making a modem appear to the system as a network device and for properly exchanging traffic between the USB subsystem and the Network card interface. Sierra_net.c is concerned with managing the data exchanged between the USB-to-WWAN interface and the upper layers of the operating system. Signed-off-by: NElina Pasheva <epasheva@sierrawireless.com> Signed-off-by: NRory Filer <rfiler@sierrawireless.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Torgny Johansson 提交于
Autosuspend works until you bring the wwan interface up, then the device does not enter autosuspend anymore. The following patch fixes the problem by setting the .manage_power field in the mbm_info struct to the same as in the cdc_info struct (cdc_manager_power). Signed-off-by: NTorgny Johansson <torgny.johansson@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
l2cap_create_connless_pdu() can sometimes return ERR_PTR(-ENOMEM) or ERR_PTR(-EFAULT). Signed-off-by: NDan Carpenter <error27@gmail.com> Acked-by: NMarcel Holtmann <marcel@holtmann.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andy Fleming 提交于
When gracefully stopping the controller, the driver was continuing if *either* RX or TX had stopped. We need to wait for both, or the controller could get into an invalid state. Signed-off-by: NAndy Fleming <afleming@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Linus Torvalds 提交于
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: keys: don't need to use RCU in keyring_read() as semaphore is held
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git://linux-nfs.org/~bfields/linux由 Linus Torvalds 提交于
* 'for-2.6.34' of git://linux-nfs.org/~bfields/linux: nfsd4: bug in read_buf
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由 David Howells 提交于
The request_key() system call and request_key_and_link() should make a link from an existing key to the destination keyring (if supplied), not just from a new key to the destination keyring. This can be tested by: ring=`keyctl newring fred @s` keyctl request2 user debug:a a keyctl request user debug:a $ring keyctl list $ring If it says: keyring is empty then it didn't work. If it shows something like: 1 key in keyring: 1070462727: --alswrv 0 0 user: debug:a then it did. request_key() system call is meant to recursively search all your keyrings for the key you desire, and, optionally, if it doesn't exist, call out to userspace to create one for you. If request_key() finds or creates a key, it should, optionally, create a link to that key from the destination keyring specified. Therefore, if, after a successful call to request_key() with a desination keyring specified, you see the destination keyring empty, the code didn't work correctly. If you see the found key in the keyring, then it did - which is what the patch is required for. Signed-off-by: NDavid Howells <dhowells@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Marc Zyngier 提交于
Bill Gatliff reported the following bug when using the irq_chip facility of the pca953x driver on a PPC platform: BUG: scheduling while atomic: insmod/1530/0x00000002 He traced it back to an i2c transaction in pca953x_irq_set_type(), which can be called with interrupt disabled (from __setup_irq()). As the i2c controller can sleep while sending a message, this qualifies as a bad idea. This patch moves the i2c transaction to pca953x_irq_bus_sync_unlock(), where it is actually safe to send an i2c message. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NMarc Zyngier <maz@misterjones.org> Reported-by: NBill Gatliff <bgat@billgatliff.com> Cc: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jerome Marchand 提交于
Correct the file_operations struct in fdinfo entry of tid_base_stuff[]. Presently /proc/*/task/*/fdinfo contains symlinks to opened files like /proc/*/fd/. Signed-off-by: NJerome Marchand <jmarchan@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Miklos Szeredi <mszeredi@suse.cz> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Peter Huewe 提交于
This patch fixes a build failure introduced by 1d839317 ("avr32: use generic ptrace_resume code") which had the static keyword as a leftover. arch/avr32/kernel/ptrace.c:32: error: static declaration of `user_enable_single_step' follows non-static declaration include/linux/ptrace.h:268: error: previous declaration of `user_enable_single_step' was here References: [1]http://kisskb.ellerman.id.au/kisskb/buildresult/2448162/Signed-off-by: NPeter Huewe <peterhuewe@gmx.de> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Howells 提交于
keyring_read() doesn't need to use rcu_dereference() to access the keyring payload as the caller holds the key semaphore to prevent modifications from happening whilst the data is read out. This should solve the following warning: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- security/keys/keyring.c:204 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock held by keyctl/2144: #0: (&key->sem){+++++.}, at: [<ffffffff81177f7c>] keyctl_read_key+0x9c/0xcf stack backtrace: Pid: 2144, comm: keyctl Not tainted 2.6.34-rc2-cachefs #113 Call Trace: [<ffffffff8105121f>] lockdep_rcu_dereference+0xaa/0xb2 [<ffffffff811762d5>] keyring_read+0x4d/0xe7 [<ffffffff81177f8c>] keyctl_read_key+0xac/0xcf [<ffffffff811788d4>] sys_keyctl+0x75/0xb9 [<ffffffff81001eeb>] system_call_fastpath+0x16/0x1b Signed-off-by: NDavid Howells <dhowells@redhat.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJames Morris <jmorris@namei.org>
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由 Dan Carpenter 提交于
The calls to usb_free_buffer() dereference rx_urb and tx_urb in the parameter list but those could be NULL. Signed-off-by: NDan Carpenter <error27@gmail.com> Acked-by: NL. Alberto Giménez <agimenez@sysvalve.es> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ken Kawasaki 提交于
smc91c92_cs: * spin_unlock_irqrestore before calling smc_interrupt() in media_check() to avoid lockup. * use spin_lock_irqsave for ethtool function. Signed-off-by: NKen Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andreas Hartmann 提交于
akpm: reluctantly typed in from https://bugzilla.kernel.org/show_bug.cgi?id=15599Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Michael Chan 提交于
Signed-off-by: NMichael Chan <mchan@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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