- 16 12月, 2016 22 次提交
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由 Miklos Szeredi 提交于
We already calculate f_namelen in statfs as the maximum of the name lengths provided by the filesystems taking part in the overlay. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
fs/overlayfs/super.c is the biggest of the overlayfs source files and it contains various utility functions as well as the rather complicated lookup code. Split these parts out to separate files. Before: 1446 fs/overlayfs/super.c After: 919 fs/overlayfs/super.c 267 fs/overlayfs/namei.c 235 fs/overlayfs/util.c 51 fs/overlayfs/ovl_entry.h Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
If encountering a non-directory, then stop looking at lower layers. In this case the oe->opaque flag is not set anymore, which doesn't matter since existence of lower file is now checked at remove/rename time. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
Check if something exists on the lower layer(s) under the target or rename to decide if directory needs to be marked "opaque". Marking opaque is done before the rename, and on failure the marking was undone. Also the opaque xattr was removed if the target didn't cover anything. This patch changes behavior so that removal of "opaque" is not done in either of the above cases. This means that directory may have the opaque flag even if it doesn't cover anything. However this shouldn't affect the performance or semantics of the overalay, while simplifying the code. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
d_is_dir() is safe to call on a negative dentry. Use this fact to simplify handling of the lower or merged directories. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
The remainging uses of __OVL_PATH_PURE can be replaced by ovl_dentry_is_opaque(). Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
Currently ovl_lookup() checks existence of lower file even if there's a non-directory on upper (which is always opaque). This is done so that remove can decide whether a whiteout is needed or not. It would be better to defer this check to unlink, since most of the time the gathered information about opaqueness will be unused. This adds a helper ovl_lower_positive() that checks if there's anything on the lower layer(s). The following patches also introduce changes to how the "opaque" attribute is updated on directories: this attribute is added when the directory is creted or moved over a whiteout or object covering something on the lower layer. However following changes will allow the attribute to remain on the directory after being moved, even if the new location doesn't cover anything. Because of this, we need to check lower layers even for opaque directories, so that whiteout is only created when necessary. This function will later be also used to decide about marking a directory opaque, so deal with negative dentries as well. When dealing with negative, it's enough to check for being a whiteout If the dentry is positive but not upper then it also obviously needs whiteout/opaque. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
And use it instead of ovl_dentry_is_opaque() where appropriate. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
Since commit 07a2daab ("ovl: Copy up underlying inode's ->i_mode to overlay inode") sticky checking on overlay inode is performed by the vfs, so checking against sticky on underlying inode is not needed. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
This is redundant, the vfs already performed this check (and was broken, see commit 9409e22a ("vfs: rename: check backing inode being equal")). Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
No sense in opening special files on the underlying layers, they work just as well if opened on the overlay. Side effect is that it's no longer possible to connect one side of a pipe opened on overlayfs with the other side opened on the underlying layer. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Amir Goldstein 提交于
When copying up within the same fs, try to use vfs_clone_file_range(). This is very efficient when lower and upper are on the same fs with file reflink support. If vfs_clone_file_range() fails for any reason, copy up falls back to the regular data copy code. Tested correct behavior when lower and upper are on: 1. same ext4 (copy) 2. same xfs + reflink patches + mkfs.xfs (copy) 3. same xfs + reflink patches + mkfs.xfs -m reflink=1 (reflink) 4. different xfs + reflink patches + mkfs.xfs -m reflink=1 (copy) For comparison, on my laptop, xfstest overlay/001 (copy up of large sparse files) takes less than 1 second in the xfs reflink setup vs. 25 seconds on the rest of the setups. Signed-off-by: NAmir Goldstein <amir73il@gmail.com> Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
This reverts commit 03bea604. Commit 4d0c5ba2 ("vfs: do get_write_access() on upper layer of overlayfs") makes the writecount checks inside overlayfs superfluous, the file is already copied up and write access acquired on the upper inode when ovl_setattr is called with ATTR_SIZE. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
The quirk for file locks and leases no longer applies. Add missing info about renaming directory residing on lower layer. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Amir Goldstein 提交于
With overlayfs, it is wrong to compare file_inode(inode)->i_sb of regular files with those of non-regular files, because the former reference the real (upper/lower) sb and the latter reference the overlayfs sb. Move the test for same super block after the sanity tests for clone range of directory and non-regular file. This change fixes xfstest generic/157, which returned EXDEV instead of EISDIR/EINVAL in the following test cases over overlayfs: echo "Try to reflink a dir" _reflink_range $testdir1/dir1 0 $testdir1/file2 0 $blksz echo "Try to reflink a device" _reflink_range $testdir1/dev1 0 $testdir1/file2 0 $blksz Signed-off-by: NAmir Goldstein <amir73il@gmail.com> Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Amir Goldstein 提交于
Move sb_start_write()/sb_end_write() out of the vfs helper and up into the ioctl handler. Signed-off-by: NAmir Goldstein <amir73il@gmail.com> Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Amir Goldstein 提交于
FICLONE/FICLONERANGE ioctls return -EXDEV if src and dest files are not on the same mount point. Practically, clone only requires that src and dest files are on the same file system. Move the check for same mount point to ioctl handler and keep only the check for same super block in the vfs helper. A following patch is going to use the vfs_clone_file_range() helper in overlayfs to copy up between lower and upper mount points on the same file system. Signed-off-by: NAmir Goldstein <amir73il@gmail.com> Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
We've checked for file_out being opened for write. This ensures that we already have mnt_want_write() on target. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
This reverts commit 9409e22a. Since commit 51f7e52d ("ovl: share inode for hard link") there's no need to call d_real_inode() to check two overlay inodes for equality. Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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由 Miklos Szeredi 提交于
This reverts commit eb0a4a47. Since commit 51f7e52d ("ovl: share inode for hard link") there's no need to call d_real_inode() to check two overlay inodes for equality. Side effect of this revert is that it's no longer possible to connect one socket on overlayfs to one on the underlying layer (something which didn't make sense anyway). Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
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- 05 12月, 2016 1 次提交
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由 Linus Torvalds 提交于
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- 04 12月, 2016 2 次提交
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "A pretty small pull request: a couple of AMD powerxpress regression fixes and a power management fix, a couple of i915 fixes and one hdlcd fix, along with one core don't oops because of incorrect API usage fix" * tag 'drm-fixes-for-v4.9-rc8' of git://people.freedesktop.org/~airlied/linux: drm/i915: drop the struct_mutex when wedged or trying to reset drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error drm: Don't call drm_for_each_crtc with a non-KMS driver drm/radeon: fix check for port PM availability drm/amdgpu: fix check for port PM availability drm/amd/powerplay: initialize the soft_regs offset in struct smu7_hwmgr drm: hdlcd: Fix cleanup order
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由 Dave Airlie 提交于
Merge tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes 2 intel fixes. * tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel: drm/i915: drop the struct_mutex when wedged or trying to reset drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
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- 03 12月, 2016 15 次提交
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由 Linus Torvalds 提交于
Merge more fixes from Andrew Morton: "2 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, vmscan: add cond_resched() into shrink_node_memcg() mm: workingset: fix NULL ptr in count_shadow_nodes
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由 Michal Hocko 提交于
Boris Zhmurov has reported RCU stalls during the kswapd reclaim: INFO: rcu_sched detected stalls on CPUs/tasks: 23-...: (22 ticks this GP) idle=92f/140000000000000/0 softirq=2638404/2638404 fqs=23 (detected by 4, t=6389 jiffies, g=786259, c=786258, q=42115) Task dump for CPU 23: kswapd1 R running task 0 148 2 0x00000008 Call Trace: shrink_node+0xd2/0x2f0 kswapd+0x2cb/0x6a0 mem_cgroup_shrink_node+0x160/0x160 kthread+0xbd/0xe0 __switch_to+0x1fa/0x5c0 ret_from_fork+0x1f/0x40 kthread_create_on_node+0x180/0x180 a closer code inspection has shown that we might indeed miss all the scheduling points in the reclaim path if no pages can be isolated from the LRU list. This is a pathological case but other reports from Donald Buczek have shown that we might indeed hit such a path: clusterd-989 [009] .... 118023.654491: mm_vmscan_direct_reclaim_end: nr_reclaimed=193 kswapd1-86 [001] dN.. 118023.987475: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239830 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.320968: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239844 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.654375: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239858 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.987036: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239872 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.319651: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239886 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.652248: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239900 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.984870: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239914 nr_taken=0 file=1 [...] kswapd1-86 [001] dN.. 118084.274403: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4241133 nr_taken=0 file=1 this is minute long snapshot which didn't take a single page from the LRU. It is not entirely clear why only 1303 pages have been scanned during that time (maybe there was a heavy IRQ activity interfering). In any case it looks like we can really hit long periods without scheduling on non preemptive kernels so an explicit cond_resched() in shrink_node_memcg which is independent on the reclaim operation is due. Link: http://lkml.kernel.org/r/20161202095841.16648-1-mhocko@kernel.orgSigned-off-by: NMichal Hocko <mhocko@suse.com> Reported-by: NBoris Zhmurov <bb@kernelpanic.ru> Tested-by: NBoris Zhmurov <bb@kernelpanic.ru> Reported-by: NDonald Buczek <buczek@molgen.mpg.de> Reported-by: N"Christopher S. Aker" <caker@theshore.net> Reported-by: NPaul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michal Hocko 提交于
Commit 0a6b76dd ("mm: workingset: make shadow node shrinker memcg aware") has made the workingset shadow nodes shrinker memcg aware. The implementation is not correct though because memcg_kmem_enabled() might become true while we are doing a global reclaim when the sc->memcg might be NULL which is exactly what Marek has seen: BUG: unable to handle kernel NULL pointer dereference at 0000000000000400 IP: [<ffffffff8122d520>] mem_cgroup_node_nr_lru_pages+0x20/0x40 PGD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 60 Comm: kswapd0 Tainted: G O 4.8.10-12.pvops.qubes.x86_64 #1 task: ffff880011863b00 task.stack: ffff880011868000 RIP: mem_cgroup_node_nr_lru_pages+0x20/0x40 RSP: e02b:ffff88001186bc70 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88001186bd20 RCX: 0000000000000002 RDX: 000000000000000c RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88001186bc70 R08: 28f5c28f5c28f5c3 R09: 0000000000000000 R10: 0000000000006c34 R11: 0000000000000333 R12: 00000000000001f6 R13: ffffffff81c6f6a0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880013c00000(0000) knlGS:ffff880013d00000 CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000400 CR3: 00000000122f2000 CR4: 0000000000042660 Call Trace: count_shadow_nodes+0x9a/0xa0 shrink_slab.part.42+0x119/0x3e0 shrink_node+0x22c/0x320 kswapd+0x32c/0x700 kthread+0xd8/0xf0 ret_from_fork+0x1f/0x40 Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 3b 35 dd eb b1 00 55 48 89 e5 73 2c 89 d2 31 c9 31 c0 4c 63 ce 48 0f a3 ca 73 13 <4a> 8b b4 cf 00 04 00 00 41 89 c8 4a 03 84 c6 80 00 00 00 83 c1 RIP mem_cgroup_node_nr_lru_pages+0x20/0x40 RSP <ffff88001186bc70> CR2: 0000000000000400 ---[ end trace 100494b9edbdfc4d ]--- This patch fixes the issue by checking sc->memcg rather than memcg_kmem_enabled() which is sufficient because shrink_slab makes sure that only memcg aware shrinkers will get non-NULL memcgs and only if memcg_kmem_enabled is true. Fixes: 0a6b76dd ("mm: workingset: make shadow node shrinker memcg aware") Link: http://lkml.kernel.org/r/20161201132156.21450-1-mhocko@kernel.orgSigned-off-by: NMichal Hocko <mhocko@suse.com> Reported-by: NMarek Marczykowski-Górecki <marmarek@mimuw.edu.pl> Tested-by: NMarek Marczykowski-Górecki <marmarek@mimuw.edu.pl> Acked-by: NVladimir Davydov <vdavydov.dev@gmail.com> Acked-by: NJohannes Weiner <hannes@cmpxchg.org> Acked-by: NBalbir Singh <bsingharora@gmail.com> Cc: <stable@vger.kernel.org> [4.6+] Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Nicolas Pitre 提交于
When building a specific target such as bzImage, modules aren't normally built. However if CONFIG_TRIM_UNUSED_KSYMS is enabled, no built modules means none of the exported symbols are used and therefore they will all be trimmed away from the final kernel. A subsequent "make modules" will fail because modpost cannot find the needed symbols for those modules in the kernel binary. Let's make sure modules are also built whenever CONFIG_TRIM_UNUSED_KSYMS is enabled and that the kernel binary is properly rebuilt accordingly. Signed-off-by: NNicolas Pitre <nico@linaro.org> Tested-by: NJarod Wilson <jarod@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Arnd Bergmann: "This should be the last set of bugfixes for arm-soc in v4.9. None of these are critical regressions, but it would be nice to still get them merged. - On the Juno platform, the idle latency was described wrong, leading to suboptimal cpuidle tuning. - Also on the same platform, PCI I/O space was set up incorrectly and could not work. - On the sti platform, a syntactically incorrect DT entry caused warnings. - The newly added 'gr8' platform has somewhat confusing file names, which we rename for consistency" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: dts: juno: fix cluster sleep state entry latency on all SoC versions arm64: dts: juno: Correct PCI IO window ARM: dts: STiH407-family: fix i2c nodes ARM: gr8: Rename the DTSI and relevant DTS
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) Lots more phydev and probe error path leaks in various drivers by Johan Hovold. 2) Fix race in packet_set_ring(), from Philip Pettersson. 3) Use after free in dccp_invalid_packet(), from Eric Dumazet. 4) Signnedness overflow in SO_{SND,RCV}BUFFORCE, also from Eric Dumazet. 5) When tunneling between ipv4 and ipv6 we can be left with the wrong skb->protocol value as we enter the IPSEC engine and this causes all kinds of problems. Set it before the output path does any dst_output() calls, from Eli Cooper. 6) bcmgenet uses wrong device struct pointer in DMA API calls, fix from Florian Fainelli. 7) Various netfilter nat bug fixes from FLorian Westphal. 8) Fix memory leak in ipvlan_link_new(), from Gao Feng. 9) Locking fixes, particularly wrt. socket lookups, in l2tp from Guillaume Nault. 10) Avoid invoking rhash teardowns in atomic context by moving netlink cb->done() dump completion from a worker thread. Fix from Herbert Xu. 11) Buffer refcount problems in tun and macvtap on errors, from Jason Wang. 12) We don't set Kconfig symbol DEFAULT_TCP_CONG properly when the user selects BBR. Fix from Julian Wollrath. 13) Fix deadlock in transmit path on altera TSE driver, from Lino Sanfilippo. 14) Fix unbalanced reference counting in dsa_switch_tree, from Nikita Yushchenko. 15) tc_tunnel_key needs to be properly exported to userspace via uapi, fix from Roi Dayan. 16) rds_tcp_init_net() doesn't unregister notifier in error path, fix from Sowmini Varadhan. 17) Stale packet header pointer access after pskb_expand_head() in genenve driver, fix from Sabrina Dubroca. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (103 commits) net: avoid signed overflows for SO_{SND|RCV}BUFFORCE geneve: avoid use-after-free of skb->data tipc: check minimum bearer MTU net: renesas: ravb: unintialized return value sh_eth: remove unchecked interrupts for RZ/A1 net: bcmgenet: Utilize correct struct device for all DMA operations NET: usb: qmi_wwan: add support for Telit LE922A PID 0x1040 cdc_ether: Fix handling connection notification ip6_offload: check segs for NULL in ipv6_gso_segment. RDS: TCP: unregister_netdevice_notifier() in error path of rds_tcp_init_net Revert: "ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()" ipv6: Set skb->protocol properly for local output ipv4: Set skb->protocol properly for local output packet: fix race condition in packet_set_ring net: ethernet: altera: TSE: do not use tx queue lock in tx completion handler net: ethernet: altera: TSE: Remove unneeded dma sync for tx buffers net: ethernet: stmmac: fix of-node and fixed-link-phydev leaks net: ethernet: stmmac: platform: fix outdated function header net: ethernet: stmmac: dwmac-meson8b: fix probe error path net: ethernet: stmmac: dwmac-generic: fix probe error path ...
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由 Eric Dumazet 提交于
CAP_NET_ADMIN users should not be allowed to set negative sk_sndbuf or sk_rcvbuf values, as it can lead to various memory corruptions, crashes, OOM... Note that before commit 82981930 ("net: cleanups in sock_setsockopt()"), the bug was even more serious, since SO_SNDBUF and SO_RCVBUF were vulnerable. This needs to be backported to all known linux kernels. Again, many thanks to syzkaller team for discovering this gem. Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NAndrey Konovalov <andreyknvl@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sabrina Dubroca 提交于
geneve{,6}_build_skb can end up doing a pskb_expand_head(), which makes the ip_hdr(skb) reference we stashed earlier stale. Since it's only needed as an argument to ip_tunnel_ecn_encap(), move this directly in the function call. Fixes: 08399efc ("geneve: ensure ECN info is handled properly in all tx/rx paths") Signed-off-by: NSabrina Dubroca <sd@queasysnail.net> Reviewed-by: NJohn W. Linville <linville@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Michal Kubeček 提交于
Qian Zhang (张谦) reported a potential socket buffer overflow in tipc_msg_build() which is also known as CVE-2016-8632: due to insufficient checks, a buffer overflow can occur if MTU is too short for even tipc headers. As anyone can set device MTU in a user/net namespace, this issue can be abused by a regular user. As agreed in the discussion on Ben Hutchings' original patch, we should check the MTU at the moment a bearer is attached rather than for each processed packet. We also need to repeat the check when bearer MTU is adjusted to new device MTU. UDP case also needs a check to avoid overflow when calculating bearer MTU. Fixes: b97bf3fd ("[TIPC] Initial merge") Signed-off-by: NMichal Kubecek <mkubecek@suse.cz> Reported-by: NQian Zhang (张谦) <zhangqian-c@360.cn> Acked-by: NYing Xue <ying.xue@windriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Merge tag 'linux-can-fixes-for-4.9-20161201' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-02 this is a pull request for net/master. There are two patches by Stephane Grosjean, who adds support for the new PCAN-USB X6 USB interface to the pcan_usb driver. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
We want to set the other "err" variable here so that we can return it later. My version of GCC misses this issue but I caught it with a static checker. Fixes: 9f70eb33 ("net: ethernet: renesas: ravb: fix fixed-link phydev leaks") Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Acked-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: NJohan Hovold <johan@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Chris Brandt 提交于
When streaming a lot of data and the RZ/A1 can't keep up, some status bits will get set that are not being checked or cleared which cause the following messages and the Ethernet driver to stop working. This patch fixes that issue. irq 21: nobody cared (try booting with the "irqpoll" option) handlers: [<c036b71c>] sh_eth_interrupt Disabling IRQ #21 Fixes: db893473 ("sh_eth: Add support for r7s72100") Signed-off-by: NChris Brandt <chris.brandt@renesas.com> Acked-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
__bcmgenet_tx_reclaim() and bcmgenet_free_rx_buffers() are not using the same struct device during unmap that was used for the map operation, which makes DMA-API debugging warn about it. Fix this by always using &priv->pdev->dev throughout the driver, using an identical device reference for all map/unmap calls. Fixes: 1c1008c7 ("net: bcmgenet: add main driver file") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Linus Torvalds 提交于
Ozgur Karatas reported that the very first entry in the CREDITS file had the wrong tag for name (M: instead of N: - it happened when moving the entry from the MAINTAINERS file, where 'M:' stands for "Maintainer"). And when I went looking, I found a couple of other cases of wrong tagging too. Reported-by: NOzgur Karatas <mueddib@yandex.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Daniele Palmas 提交于
This patch adds support for PID 0x1040 of Telit LE922A. The qmi adapter requires to have DTR set for proper working, so QMI_WWAN_QUIRK_DTR has been enabled. Signed-off-by: NDaniele Palmas <dnlplm@gmail.com> Acked-by: NBjørn Mork <bjorn@mork.no> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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