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- 12 Nov, 2019 5 commits
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Pan Bian authored
[ Upstream commit 517ce4e9 ] The address of fw_vsc_cfg is on stack. Releasing it with devm_kfree() is incorrect, which may result in a system crash or other security impacts. The expected object to free is *fw_vsc_cfg. Signed-off-by:
Pan Bian <bianpan2016@163.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Aleksander Morgado authored
[ Upstream commit e497df68 ] Exactly same layout as the default DW5821e module, just a different vid/pid. The QMI interface is exposed in USB configuration #1: P: Vendor=413c ProdID=81e0 Rev=03.18 S: Manufacturer=Dell Inc. S: Product=DW5821e-eSIM Snapdragon X20 LTE S: SerialNumber=0123456789ABCDEF C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA I: If#=0x0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan I: If#=0x1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#=0x3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#=0x4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#=0x5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option Signed-off-by:
Aleksander Morgado <aleksander@aleksander.es> Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 1b53d644 ] KCSAN reported the following data-race [1] The fix will also prevent the compiler from optimizing out the condition. [1] BUG: KCSAN: data-race in neigh_resolve_output / neigh_resolve_output write to 0xffff8880a41dba78 of 8 bytes by interrupt on cpu 1: neigh_event_send include/net/neighbour.h:443 [inline] neigh_resolve_output+0x78/0x480 net/core/neighbour.c:1474 neigh_output include/net/neighbour.h:511 [inline] ip_finish_output2+0x4af/0xe40 net/ipv4/ip_output.c:228 __ip_finish_output net/ipv4/ip_output.c:308 [inline] __ip_finish_output+0x23a/0x490 net/ipv4/ip_output.c:290 ip_finish_output+0x41/0x160 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0xdf/0x210 net/ipv4/ip_output.c:432 dst_output include/net/dst.h:436 [inline] ip_local_out+0x74/0x90 net/ipv4/ip_output.c:125 __ip_queue_xmit+0x3a8/0xa40 net/ipv4/ip_output.c:532 ip_queue_xmit+0x45/0x60 include/net/ip.h:237 __tcp_transmit_skb+0xe81/0x1d60 net/ipv4/tcp_output.c:1169 tcp_transmit_skb net/ipv4/tcp_output.c:1185 [inline] __tcp_retransmit_skb+0x4bd/0x15f0 net/ipv4/tcp_output.c:2976 tcp_retransmit_skb+0x36/0x1a0 net/ipv4/tcp_output.c:2999 tcp_retransmit_timer+0x719/0x16d0 net/ipv4/tcp_timer.c:515 tcp_write_timer_handler+0x42d/0x510 net/ipv4/tcp_timer.c:598 tcp_write_timer+0xd1/0xf0 net/ipv4/tcp_timer.c:618 read to 0xffff8880a41dba78 of 8 bytes by interrupt on cpu 0: neigh_event_send include/net/neighbour.h:442 [inline] neigh_resolve_output+0x57/0x480 net/core/neighbour.c:1474 neigh_output include/net/neighbour.h:511 [inline] ip_finish_output2+0x4af/0xe40 net/ipv4/ip_output.c:228 __ip_finish_output net/ipv4/ip_output.c:308 [inline] __ip_finish_output+0x23a/0x490 net/ipv4/ip_output.c:290 ip_finish_output+0x41/0x160 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0xdf/0x210 net/ipv4/ip_output.c:432 dst_output include/net/dst.h:436 [inline] ip_local_out+0x74/0x90 net/ipv4/ip_output.c:125 __ip_queue_xmit+0x3a8/0xa40 net/ipv4/ip_output.c:532 ip_queue_xmit+0x45/0x60 include/net/ip.h:237 __tcp_transmit_skb+0xe81/0x1d60 net/ipv4/tcp_output.c:1169 tcp_transmit_skb net/ipv4/tcp_output.c:1185 [inline] __tcp_retransmit_skb+0x4bd/0x15f0 net/ipv4/tcp_output.c:2976 tcp_retransmit_skb+0x36/0x1a0 net/ipv4/tcp_output.c:2999 tcp_retransmit_timer+0x719/0x16d0 net/ipv4/tcp_timer.c:515 tcp_write_timer_handler+0x42d/0x510 net/ipv4/tcp_timer.c:598 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
syzbot <syzkaller@googlegroups.com> Signed-off-by:
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David Ahern authored
[ Upstream commit e0a31262 ] Hendrik reported routes in the main table using source address are not removed when the address is removed. The problem is that fib_sync_down_addr does not account for devices in the default VRF which are associated with the main table. Fix by updating the table id reference. Fixes: 5a56a0b3 ("net: Don't delete routes in different VRFs") Reported-by:
Hendrik Donner <hd@os-cillation.de> Signed-off-by:
David Ahern <dsahern@kernel.org> Signed-off-by:
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Oliver Neukum authored
[ Upstream commit 332f989a ] A malicious device may give half an answer when asked for its MTU. The driver will proceed after this with a garbage MTU. Anything but a complete answer must be treated as an error. V2: used sizeof as request by Alexander Reported-and-tested-by: syzbot+0631d878823ce2411636@syzkaller.appspotmail.com Signed-off-by:
Oliver Neukum <oneukum@suse.com> Signed-off-by:
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- 10 Nov, 2019 35 commits
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Greg Kroah-Hartman authored
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Petr Vorel authored
Fix backport of commit f18ddc13 upstream. Update backport to change ENOTSUPP to EOPNOTSUPP in alarm_timer_{del,set}(), which were removed in f2c45807 in v4.13-rc1. Fixes: 65b7a5a3Signed-off-by:
Petr Vorel <pvorel@suse.cz> Acked-by:
Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by:
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Jeffrey Hugo authored
commit 76678193 upstream. bam_dma_terminate_all() will leak resources if any of the transactions are committed to the hardware (present in the desc fifo), and not complete. Since bam_dma_terminate_all() does not cause the hardware to be updated, the hardware will still operate on any previously committed transactions. This can cause memory corruption if the memory for the transaction has been reassigned, and will cause a sync issue between the BAM and its client(s). Fix this by properly updating the hardware in bam_dma_terminate_all(). Fixes: e7c0fe2a ("dmaengine: add Qualcomm BAM dma driver") Signed-off-by:
Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20191017152606.34120-1-jeffrey.l.hugo@gmail.comSigned-off-by:
Vinod Koul <vkoul@kernel.org> Signed-off-by:
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Eric Dumazet authored
commit 55667441 upstream. UDP IPv6 packets auto flowlabels are using a 32bit secret (static u32 hashrnd in net/core/flow_dissector.c) and apply jhash() over fields known by the receivers. Attackers can easily infer the 32bit secret and use this information to identify a device and/or user, since this 32bit secret is only set at boot time. Really, using jhash() to generate cookies sent on the wire is a serious security concern. Trying to change the rol32(hash, 16) in ip6_make_flowlabel() would be a dead end. Trying to periodically change the secret (like in sch_sfq.c) could change paths taken in the network for long lived flows. Let's switch to siphash, as we did in commit df453700 ("inet: switch IP ID generator to siphash") Using a cryptographically strong pseudo random function will solve this privacy issue and more generally remove other weak points in the stack. Packet schedulers using skb_get_hash_perturb() benefit from this change. Fixes: b5677416 ("ipv6: Enable auto flow labels by default") Fixes: 42240901 ("ipv6: Implement different admin modes for automatic flow labels") Fixes: 67800f9b ("ipv6: Call skb_get_hash_flowi6 to get skb->hash in ip6_make_flowlabel") Fixes: cb1ce2ef ("ipv6: Implement automatic flow label generation on transmit") Signed-off-by:
Jonathan Berger <jonathann1@walla.com> Reported-by:
Amit Klein <aksecurity@gmail.com> Reported-by:
Benny Pinkas <benny@pinkas.net> Cc: Tom Herbert <tom@herbertland.com> Signed-off-by:
Mahesh Bandewar <maheshb@google.com> Signed-off-by:
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Seth Forshee authored
[ Upstream commit 29be86d7 ] The gcc -fcf-protection=branch option is not compatible with -mindirect-branch=thunk-extern. The latter is used when CONFIG_RETPOLINE is selected, and this will fail to build with a gcc which has -fcf-protection=branch enabled by default. Adding -fcf-protection=none when building with retpoline enabled prevents such build failures. Signed-off-by:
Seth Forshee <seth.forshee@canonical.com> Signed-off-by:
Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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Masahiro Yamada authored
[ Upstream commit a73619a8 ] The __FILE__ macro is used everywhere in the kernel to locate the file printing the log message, such as WARN_ON(), etc. If the kernel is built out of tree, this can be a long absolute path, like this: WARNING: CPU: 1 PID: 1 at /path/to/build/directory/arch/arm64/kernel/foo.c:... This is because Kbuild runs in the objtree instead of the srctree, then __FILE__ is expanded to a file path prefixed with $(srctree)/. Commit 9da0763b ("kbuild: Use relative path when building in a subdir of the source tree") improved this to some extent; $(srctree) becomes ".." if the objtree is a child of the srctree. For other cases of out-of-tree build, __FILE__ is still the absolute path. It also means the kernel image depends on where it was built. A brand-new option from GCC, -fmacro-prefix-map, solves this problem. If your compiler supports it, __FILE__ is the relative path from the srctree regardless of O= option. This provides more readable log and more reproducible builds. Please note __FILE__ is always an absolute path for external modules. Signed-off-by:
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Kees Cook authored
[ Upstream commit c834f0e8 ] If a structure is marked with __attribute__((designated_init)) from GCC or Sparse, it needs to have all static initializers using designated initialization. Fail the build for any missing cases. This attribute will be used by the randstruct plugin to make sure randomized structures are being correctly initialized. Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
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Eric Dumazet authored
[ Upstream commit a904a069 ] Historically linux tried to stick to RFC 791, 1122, 2003 for IPv4 ID field generation. RFC 6864 made clear that no matter how hard we try, we can not ensure unicity of IP ID within maximum lifetime for all datagrams with a given source address/destination address/protocol tuple. Linux uses a per socket inet generator (inet_id), initialized at connection startup with a XOR of 'jiffies' and other fields that appear clear on the wire. Thiemo Nagel pointed that this strategy is a privacy concern as this provides 16 bits of entropy to fingerprint devices. Let's switch to a random starting point, this is just as good as far as RFC 6864 is concerned and does not leak anything critical. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Signed-off-by:
Thiemo Nagel <tnagel@google.com> Signed-off-by:
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Eran Ben Elisha authored
[ Upstream commit e19868ef ] Prior to this patch, the amount of counters guaranteed per VF in the resource tracker was MLX4_VF_COUNTERS_PER_PORT * MLX4_MAX_PORTS. It was set regardless if the VF was single or dual port. This caused several VFs to have no guaranteed counters although the system could satisfy their request. The fix is to dynamically guarantee counters, based on each VF specification. Fixes: 9de92c60 ("net/mlx4_core: Adjust counter grant policy in the resource tracker") Signed-off-by:
Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by:
Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by:
Tariq Toukan <tariqt@mellanox.com> Signed-off-by:
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Xin Long authored
[ Upstream commit eadf52cf ] This patch is to improve the tun_info options_len by dropping the skb when TUNNEL_VXLAN_OPT is set but options_len is less than vxlan_metadata. This can void a potential out-of-bounds access on ip_tun_info. Fixes: ee122c79 ("vxlan: Flow based tunneling") Signed-off-by:
Xin Long <lucien.xin@gmail.com> Signed-off-by:
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Doug Berger authored
[ Upstream commit 25382b99 ] The EPHY integrated into the 40nm Set-Top Box devices can falsely detect energy when connected to a disabled peer interface. When the peer interface is enabled the EPHY will detect and report the link as active, but on occasion may get into a state where it is not able to exchange data with the connected GENET MAC. This issue has not been observed when the link parameters are auto-negotiated; however, it has been observed with a manually configured link. It has been empirically determined that issuing a soft reset to the EPHY when energy is detected prevents it from getting into this bad state. Fixes: 1c1008c7 ("net: bcmgenet: add main driver file") Signed-off-by:
Doug Berger <opendmb@gmail.com> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Vivien Didelot authored
[ Upstream commit 50c7d2ba ] If there are multiple switch trees on the device, only the last one will be listed, because the arguments of list_add_tail are swapped. Fixes: 83c0afae ("net: dsa: Add new binding implementation") Signed-off-by:
Vivien Didelot <vivien.didelot@gmail.com> Reviewed-by:
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Eric Dumazet authored
[ Upstream commit 7c422d0c ] __skb_wait_for_more_packets() can be called while other cpus can feed packets to the socket receive queue. KCSAN reported : BUG: KCSAN: data-race in __skb_wait_for_more_packets / __udp_enqueue_schedule_skb write to 0xffff888102e40b58 of 8 bytes by interrupt on cpu 0: __skb_insert include/linux/skbuff.h:1852 [inline] __skb_queue_before include/linux/skbuff.h:1958 [inline] __skb_queue_tail include/linux/skbuff.h:1991 [inline] __udp_enqueue_schedule_skb+0x2d7/0x410 net/ipv4/udp.c:1470 __udp_queue_rcv_skb net/ipv4/udp.c:1940 [inline] udp_queue_rcv_one_skb+0x7bd/0xc70 net/ipv4/udp.c:2057 udp_queue_rcv_skb+0xb5/0x400 net/ipv4/udp.c:2074 udp_unicast_rcv_skb.isra.0+0x7e/0x1c0 net/ipv4/udp.c:2233 __udp4_lib_rcv+0xa44/0x17c0 net/ipv4/udp.c:2300 udp_rcv+0x2b/0x40 net/ipv4/udp.c:2470 ip_protocol_deliver_rcu+0x4d/0x420 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x110/0x140 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_local_deliver+0x133/0x210 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:442 [inline] ip_rcv_finish+0x121/0x160 net/ipv4/ip_input.c:413 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_rcv+0x18f/0x1a0 net/ipv4/ip_input.c:523 __netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5010 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5124 process_backlog+0x1d3/0x420 net/core/dev.c:5955 read to 0xffff888102e40b58 of 8 bytes by task 13035 on cpu 1: __skb_wait_for_more_packets+0xfa/0x320 net/core/datagram.c:100 __skb_recv_udp+0x374/0x500 net/ipv4/udp.c:1683 udp_recvmsg+0xe1/0xb10 net/ipv4/udp.c:1712 inet_recvmsg+0xbb/0x250 net/ipv4/af_inet.c:838 sock_recvmsg_nosec+0x5c/0x70 net/socket.c:871 ___sys_recvmsg+0x1a0/0x3e0 net/socket.c:2480 do_recvmmsg+0x19a/0x5c0 net/socket.c:2601 __sys_recvmmsg+0x1ef/0x200 net/socket.c:2680 __do_sys_recvmmsg net/socket.c:2703 [inline] __se_sys_recvmmsg net/socket.c:2696 [inline] __x64_sys_recvmmsg+0x89/0xb0 net/socket.c:2696 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 13035 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Signed-off-by:
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Wei Wang authored
[ Upstream commit d64479a3 ] This test reports EINVAL for getsockopt(SOL_SOCKET, SO_DOMAIN) occasionally due to the uninitialized length parameter. Initialize it to fix this, and also use int for "test_family" to comply with the API standard. Fixes: d6a61f80 ("soreuseport: test mixed v4/v6 sockets") Reported-by:
Maciej Żenczykowski <maze@google.com> Signed-off-by:
Wei Wang <weiwan@google.com> Cc: Craig Gallek <cgallek@google.com> Signed-off-by:
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zhanglin authored
[ Upstream commit 5ff223e8 ] memset() the structure ethtool_wolinfo that has padded bytes but the padded bytes have not been zeroed out. Signed-off-by:
zhanglin <zhang.lin16@zte.com.cn> Signed-off-by:
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Jiangfeng Xiao authored
[ Upstream commit e56bd641 ] This is due to error in over budget processing. When dealing with high throughput, the used buffers that exceeds the budget is not cleaned up. In addition, it takes a lot of cycles to clean up the used buffer, and then the buffer where the valid data is located can take effect. Signed-off-by:
Jiangfeng Xiao <xiaojiangfeng@huawei.com> Signed-off-by:
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Tejun Heo authored
[ Upstream commit 20eb4f29 ] sk_page_frag() optimizes skb_frag allocations by using per-task skb_frag cache when it knows it's the only user. The condition is determined by seeing whether the socket allocation mask allows blocking - if the allocation may block, it obviously owns the task's context and ergo exclusively owns current->task_frag. Unfortunately, this misses recursion through memory reclaim path. Please take a look at the following backtrace. [2] RIP: 0010:tcp_sendmsg_locked+0xccf/0xe10 ... tcp_sendmsg+0x27/0x40 sock_sendmsg+0x30/0x40 sock_xmit.isra.24+0xa1/0x170 [nbd] nbd_send_cmd+0x1d2/0x690 [nbd] nbd_queue_rq+0x1b5/0x3b0 [nbd] __blk_mq_try_issue_directly+0x108/0x1b0 blk_mq_request_issue_directly+0xbd/0xe0 blk_mq_try_issue_list_directly+0x41/0xb0 blk_mq_sched_insert_requests+0xa2/0xe0 blk_mq_flush_plug_list+0x205/0x2a0 blk_flush_plug_list+0xc3/0xf0 [1] blk_finish_plug+0x21/0x2e _xfs_buf_ioapply+0x313/0x460 __xfs_buf_submit+0x67/0x220 xfs_buf_read_map+0x113/0x1a0 xfs_trans_read_buf_map+0xbf/0x330 xfs_btree_read_buf_block.constprop.42+0x95/0xd0 xfs_btree_lookup_get_block+0x95/0x170 xfs_btree_lookup+0xcc/0x470 xfs_bmap_del_extent_real+0x254/0x9a0 __xfs_bunmapi+0x45c/0xab0 xfs_bunmapi+0x15/0x30 xfs_itruncate_extents_flags+0xca/0x250 xfs_free_eofblocks+0x181/0x1e0 xfs_fs_destroy_inode+0xa8/0x1b0 destroy_inode+0x38/0x70 dispose_list+0x35/0x50 prune_icache_sb+0x52/0x70 super_cache_scan+0x120/0x1a0 do_shrink_slab+0x120/0x290 shrink_slab+0x216/0x2b0 shrink_node+0x1b6/0x4a0 do_try_to_free_pages+0xc6/0x370 try_to_free_mem_cgroup_pages+0xe3/0x1e0 try_charge+0x29e/0x790 mem_cgroup_charge_skmem+0x6a/0x100 __sk_mem_raise_allocated+0x18e/0x390 __sk_mem_schedule+0x2a/0x40 [0] tcp_sendmsg_locked+0x8eb/0xe10 tcp_sendmsg+0x27/0x40 sock_sendmsg+0x30/0x40 ___sys_sendmsg+0x26d/0x2b0 __sys_sendmsg+0x57/0xa0 do_syscall_64+0x42/0x100 entry_SYSCALL_64_after_hwframe+0x44/0xa9 In [0], tcp_send_msg_locked() was using current->page_frag when it called sk_wmem_schedule(). It already calculated how many bytes can be fit into current->page_frag. Due to memory pressure, sk_wmem_schedule() called into memory reclaim path which called into xfs and then IO issue path. Because the filesystem in question is backed by nbd, the control goes back into the tcp layer - back into tcp_sendmsg_locked(). nbd sets sk_allocation to (GFP_NOIO | __GFP_MEMALLOC) which makes sense - it's in the process of freeing memory and wants to be able to, e.g., drop clean pages to make forward progress. However, this confused sk_page_frag() called from [2]. Because it only tests whether the allocation allows blocking which it does, it now thinks current->page_frag can be used again although it already was being used in [0]. After [2] used current->page_frag, the offset would be increased by the used amount. When the control returns to [0], current->page_frag's offset is increased and the previously calculated number of bytes now may overrun the end of allocated memory leading to silent memory corruptions. Fix it by adding gfpflags_normal_context() which tests sleepable && !reclaim and use it to determine whether to use current->task_frag. v2: Eric didn't like gfp flags being tested twice. Introduce a new helper gfpflags_normal_context() and combine the two tests. Signed-off-by:
Tejun Heo <tj@kernel.org> Cc: Josef Bacik <josef@toxicpanda.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: stable@vger.kernel.org Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 3d1e5039 ] For some reason I missed the case of DCCP passive flows in my previous patch. Fixes: a904a069 ("inet: stop leaking jiffies on the wire") Signed-off-by:
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Dave Wysochanski authored
[ Upstream commit d46b0da7 ] There's a deadlock that is possible and can easily be seen with a test where multiple readers open/read/close of the same file and a disruption occurs causing reconnect. The deadlock is due a reader thread inside cifs_strict_readv calling down_read and obtaining lock_sem, and then after reconnect inside cifs_reopen_file calling down_read a second time. If in between the two down_read calls, a down_write comes from another process, deadlock occurs. CPU0 CPU1 ---- ---- cifs_strict_readv() down_read(&cifsi->lock_sem); _cifsFileInfo_put OR cifs_new_fileinfo down_write(&cifsi->lock_sem); cifs_reopen_file() down_read(&cifsi->lock_sem); Fix the above by changing all down_write(lock_sem) calls to down_write_trylock(lock_sem)/msleep() loop, which in turn makes the second down_read call benign since it will never block behind the writer while holding lock_sem. Signed-off-by:
Dave Wysochanski <dwysocha@redhat.com> Suggested-by:
Ronnie Sahlberg <lsahlber@redhat.com> Reviewed--by:
Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by:
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Jonas Gorski authored
[ Upstream commit e4f5cb1a ] The vectors span more than one byte, so mark them as arrays. Fixes the following build error when building when using GCC 8.3: In file included from ./include/linux/string.h:19, from ./include/linux/bitmap.h:9, from ./include/linux/cpumask.h:12, from ./arch/mips/include/asm/processor.h:15, from ./arch/mips/include/asm/thread_info.h:16, from ./include/linux/thread_info.h:38, from ./include/asm-generic/preempt.h:5, from ./arch/mips/include/generated/asm/preempt.h:1, from ./include/linux/preempt.h:81, from ./include/linux/spinlock.h:51, from ./include/linux/mmzone.h:8, from ./include/linux/bootmem.h:8, from arch/mips/bcm63xx/prom.c:10: arch/mips/bcm63xx/prom.c: In function 'prom_init': ./arch/mips/include/asm/string.h:162:11: error: '__builtin_memcpy' forming offset [2, 32] is out of the bounds [0, 1] of object 'bmips_smp_movevec' with type 'char' [-Werror=array-bounds] __ret = __builtin_memcpy((dst), (src), __len); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/bcm63xx/prom.c:97:3: note: in expansion of macro 'memcpy' memcpy((void *)0xa0000200, &bmips_smp_movevec, 0x20); ^~~~~~ In file included from arch/mips/bcm63xx/prom.c:14: ./arch/mips/include/asm/bmips.h:80:13: note: 'bmips_smp_movevec' declared here extern char bmips_smp_movevec; Fixes: 18a1eef9 ("MIPS: BMIPS: Introduce bmips.h") Signed-off-by:
Jonas Gorski <jonas.gorski@gmail.com> Reviewed-by:
Paul Burton <paulburton@kernel.org> Cc: linux-mips@vger.kernel.org Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Signed-off-by:
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Navid Emamdoost authored
[ Upstream commit e13de8fe ] In unittest_data_add, a copy buffer is created via kmemdup. This buffer is leaked if of_fdt_unflatten_tree fails. The release for the unittest_data buffer is added. Fixes: b951f9dc ("Enabling OF selftest to run without machine's devicetree") Signed-off-by:
Navid Emamdoost <navid.emamdoost@gmail.com> Reviewed-by:
Frank Rowand <frowand.list@gmail.com> Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Bodo Stroesser authored
[ Upstream commit 27e84243 ] passthrough_parse_cdb() - used by TCMU and PSCSI - attepts to reset the LUN field of SCSI-2 CDBs (bits 5,6,7 of byte 1). The current code is wrong as for newer commands not having the LUN field it overwrites relevant command bits (e.g. for SECURITY PROTOCOL IN / OUT). We think this code was unnecessary from the beginning or at least it is no longer useful. So we remove it entirely. Link: https://lore.kernel.org/r/12498eab-76fd-eaad-1316-c2827badb76a@ts.fujitsu.comSigned-off-by:
Bodo Stroesser <bstroesser@ts.fujitsu.com> Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Reviewed-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Peter Ujfalusi authored
[ Upstream commit 564b6bb9 ] dm365 have only single McBSP, so the device name is without .0 Fixes: 0c750e1f ("ARM: davinci: dm365: Add dma_slave_map to edma") Signed-off-by:
Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by:
Sekhar Nori <nsekhar@ti.com> Signed-off-by:
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Yunfeng Ye authored
[ Upstream commit 1abecfca ] The memory @orig_flags is allocated by strdup(), it is freed on the normal path, but leak to free on the error path. Fix this by adding free(orig_flags) on the error path. Fixes: 0e111156 ("perf kmem: Print gfp flags in human readable string") Signed-off-by:
Yunfeng Ye <yeyunfeng@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Feilong Lin <linfeilong@huawei.com> Cc: Hu Shiyuan <hushiyuan@huawei.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/f9e9f458-96f3-4a97-a1d5-9feec2420e07@huawei.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
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Anson Huang authored
[ Upstream commit 252b9e21 ] i.MX7S/D's GPT ipg clock should be from GPT clock root and controlled by CCM's GPT CCGR, using correct clock source for GPT ipg clock instead of IMX7D_CLK_DUMMY. Fixes: 3ef79ca6 ("ARM: dts: imx7d: use imx7s.dtsi as base device tree") Signed-off-by:
Anson Huang <Anson.Huang@nxp.com> Signed-off-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
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Thomas Bogendoerfer authored
[ Upstream commit 8cbf0c17 ] When building a kernel with SCSI_SNI_53C710 enabled, Kconfig warns: WARNING: unmet direct dependencies detected for 53C700_LE_ON_BE Depends on [n]: SCSI_LOWLEVEL [=y] && SCSI [=y] && SCSI_LASI700 [=n] Selected by [y]: - SCSI_SNI_53C710 [=y] && SCSI_LOWLEVEL [=y] && SNI_RM [=y] && SCSI [=y] Add the missing depends SCSI_SNI_53C710 to 53C700_LE_ON_BE to fix it. Link: https://lore.kernel.org/r/20191009151128.32411-1-tbogendoerfer@suse.deSigned-off-by:
Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by:
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Thomas Bogendoerfer authored
[ Upstream commit 0ee62114 ] Drop out memory dev_printk() with wrong device pointer argument. [mkp: typo] Link: https://lore.kernel.org/r/20191009151118.32350-1-tbogendoerfer@suse.deSigned-off-by:
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Hannes Reinecke authored
[ Upstream commit b6ce6fb1 ] Some arrays are not capable of returning RTPG data during state transitioning, but rather return an 'LUN not accessible, asymmetric access state transition' sense code. In these cases we can set the state to 'transitioning' directly and don't need to evaluate the RTPG data (which we won't have anyway). Link: https://lore.kernel.org/r/20191007135701.32389-1-hare@suse.deReviewed-by:
Laurence Oberman <loberman@redhat.com> Reviewed-by:
Ewan D. Milne <emilne@redhat.com> Reviewed-by:
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Russell King authored
[ Upstream commit 67e15fa5 ] When the system has high memory pressure, the page containing the instruction may be paged out. Using probe_kernel_address() means that if the page is swapped out, the resulting page fault will not be handled because page faults are disabled by this function. Use get_user() to read the instruction instead. Reported-by:
Jing Xiangfeng <jingxiangfeng@huawei.com> Fixes: b255188f ("ARM: fix scheduling while atomic warning in alignment handling code") Signed-off-by:
Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by:
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Dan Carpenter authored
[ Upstream commit 39b65fbb ] The pinctrl->functions[] array has pinctrl->num_functions elements and the pinctrl->groups[] array is the same way. These are set in ns2_pinmux_probe(). So the > comparisons should be >= so that we don't read one element beyond the end of the array. Fixes: b5aa1006 ("pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20190926081426.GB2332@mwandaAcked-by:
Scott Branden <scott.branden@broadcom.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Adam Ford authored
[ Upstream commit 6b512b0e ] The TWL4030 used on the Logit PD Torpedo SOM does not have the keypad pins routed. This patch disables the twl_keypad driver to remove some splat during boot: twl4030_keypad 48070000.i2c:twl@48:keypad: missing or malformed property linux,keymap: -22 twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -22 Signed-off-by:
Adam Ford <aford173@gmail.com> [tony@atomide.com: removed error time stamps] Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Robin Murphy authored
[ Upstream commit b1e620e7 ] If rockchip_pcm_platform_register() fails, e.g. upon deferring to wait for an absent DMA channel, we return without disabling RPM, which makes subsequent re-probe attempts scream with errors about the unbalanced enable. Don't do that. Fixes: ebb75c0b ("ASoC: rockchip: i2s: Adjust devm usage") Signed-off-by:
Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/bcb12a849a05437fb18372bc7536c649b94bdf07.1570029862.git.robin.murphy@arm.comSigned-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Stuart Henderson authored
[ Upstream commit 3ae7359c ] User space always expects to be able to read ALSA controls, so ensure no kcontrols are generated without an appropriate READ flag. In the case of a read of such a control zeros will be returned. Signed-off-by:
Stuart Henderson <stuarth@opensource.cirrus.com> Signed-off-by:
Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20191002084240.21589-1-ckeepax@opensource.cirrus.comSigned-off-by:
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Yizhuo authored
[ Upstream commit 1252b283 ] In function pfuze100_regulator_probe(), variable "val" could be initialized if regmap_read() fails. However, "val" is used to decide the control flow later in the if statement, which is potentially unsafe. Signed-off-by:
Yizhuo <yzhai003@ucr.edu> Link: https://lore.kernel.org/r/20190929170957.14775-1-yzhai003@ucr.eduSigned-off-by:
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Axel Lin authored
[ Upstream commit f64db548 ] ti_abb_wait_txdone() may return -ETIMEDOUT when ti_abb_check_txdone() returns true in the latest iteration of the while loop because the timeout value is abb->settling_time + 1. Similarly, ti_abb_clear_all_txdone() may return -ETIMEDOUT when ti_abb_check_txdone() returns false in the latest iteration of the while loop. Fix it. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Acked-by:
Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/20190929095848.21960-1-axel.lin@ingics.comSigned-off-by:
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