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2021-05-27perf stat: Fix error check for bpf_program__attachNamhyung Kim1-2/+2
It seems the bpf_program__attach() returns a negative error code instead of a NULL pointer in case of error. Fixes: 7fac83aaf2ee ("perf stat: Introduce 'bperf' to share hardware PMCs with BPF") Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Link: http://lore.kernel.org/lkml/20210527220052.1657578-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-27cifs: change format of CIFS_FULL_KEY_DUMP ioctlAurelien Aptel3-45/+126
Make CIFS_FULL_KEY_DUMP ioctl able to return variable-length keys. * userspace needs to pass the struct size along with optional session_id and some space at the end to store keys * if there is enough space kernel returns keys in the extra space and sets the length of each key via xyz_key_length fields This also fixes the build error for get_user() on ARM. Sample program: #include <stdlib.h> #include <stdio.h> #include <stdint.h> #include <sys/fcntl.h> #include <sys/ioctl.h> struct smb3_full_key_debug_info { uint32_t in_size; uint64_t session_id; uint16_t cipher_type; uint8_t session_key_length; uint8_t server_in_key_length; uint8_t server_out_key_length; uint8_t data[]; /* * return this struct with the keys appended at the end: * uint8_t session_key[session_key_length]; * uint8_t server_in_key[server_in_key_length]; * uint8_t server_out_key[server_out_key_length]; */ } __attribute__((packed)); #define CIFS_IOCTL_MAGIC 0xCF #define CIFS_DUMP_FULL_KEY _IOWR(CIFS_IOCTL_MAGIC, 10, struct smb3_full_key_debug_info) void dump(const void *p, size_t len) { const char *hex = "0123456789ABCDEF"; const uint8_t *b = p; for (int i = 0; i < len; i++) printf("%c%c ", hex[(b[i]>>4)&0xf], hex[b[i]&0xf]); putchar('\n'); } int main(int argc, char **argv) { struct smb3_full_key_debug_info *keys; uint8_t buf[sizeof(*keys)+1024] = {0}; size_t off = 0; int fd, rc; keys = (struct smb3_full_key_debug_info *)&buf; keys->in_size = sizeof(buf); fd = open(argv[1], O_RDONLY); if (fd < 0) perror("open"), exit(1); rc = ioctl(fd, CIFS_DUMP_FULL_KEY, keys); if (rc < 0) perror("ioctl"), exit(1); printf("SessionId "); dump(&keys->session_id, 8); printf("Cipher %04x\n", keys->cipher_type); printf("SessionKey "); dump(keys->data+off, keys->session_key_length); off += keys->session_key_length; printf("ServerIn Key "); dump(keys->data+off, keys->server_in_key_length); off += keys->server_in_key_length; printf("ServerOut Key "); dump(keys->data+off, keys->server_out_key_length); return 0; } Usage: $ gcc -o dumpkeys dumpkeys.c Against Windows Server 2020 preview (with AES-256-GCM support): # mount.cifs //$ip/test /mnt -o "username=administrator,password=foo,vers=3.0,seal" # ./dumpkeys /mnt/somefile SessionId 0D 00 00 00 00 0C 00 00 Cipher 0002 SessionKey AB CD CC 0D E4 15 05 0C 6F 3C 92 90 19 F3 0D 25 ServerIn Key 73 C6 6A C8 6B 08 CF A2 CB 8E A5 7D 10 D1 5B DC ServerOut Key 6D 7E 2B A1 71 9D D7 2B 94 7B BA C4 F0 A5 A4 F8 # umount /mnt With 256 bit keys: # echo 1 > /sys/module/cifs/parameters/require_gcm_256 # mount.cifs //$ip/test /mnt -o "username=administrator,password=foo,vers=3.11,seal" # ./dumpkeys /mnt/somefile SessionId 09 00 00 00 00 0C 00 00 Cipher 0004 SessionKey 93 F5 82 3B 2F B7 2A 50 0B B9 BA 26 FB 8C 8B 03 ServerIn Key 6C 6A 89 B2 CB 7B 78 E8 04 93 37 DA 22 53 47 DF B3 2C 5F 02 26 70 43 DB 8D 33 7B DC 66 D3 75 A9 ServerOut Key 04 11 AA D7 52 C7 A8 0F ED E3 93 3A 65 FE 03 AD 3F 63 03 01 2B C0 1B D7 D7 E5 52 19 7F CC 46 B4 Signed-off-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-27cifs: fix string declarations and assignments in tracepointsShyam Prasad N1-12/+17
We missed using the variable length string macros in several tracepoints. Fixed them in this change. There's probably more useful macros that we can use to print others like flags etc. But I'll submit sepawrate patches for those at a future date. Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Cc: <stable@vger.kernel.org> # v5.12 Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-27cifs: set server->cipher_type to AES-128-CCM for SMB3.0Aurelien Aptel1-0/+7
SMB3.0 doesn't have encryption negotiate context but simply uses the SMB2_GLOBAL_CAP_ENCRYPTION flag. When that flag is present in the neg response cifs.ko uses AES-128-CCM which is the only cipher available in this context. cipher_type was set to the server cipher only when parsing encryption negotiate context (SMB3.1.1). For SMB3.0 it was set to 0. This means cipher_type value can be 0 or 1 for AES-128-CCM. Fix this by checking for SMB3.0 and encryption capability and setting cipher_type appropriately. Signed-off-by: Aurelien Aptel <aaptel@suse.com> Cc: <stable@vger.kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-27perf debug: Move debug initialization earlierIan Rogers1-2/+2
This avoids segfaults during option handlers that use pr_err. For example, "perf --debug nopager list" segfaults before this change. Fixes: 8abceacff87d (perf debug: Add debug_set_file function) Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.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> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210519164447.2672030-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-27afs: Fix the nlink handling of dir-over-dir renameDavid Howells1-1/+3
Fix rename of one directory over another such that the nlink on the deleted directory is cleared to 0 rather than being decremented to 1. This was causing the generic/035 xfstest to fail. Fixes: e49c7b2f6de7 ("afs: Build an abstraction around an "operation" concept") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://lore.kernel.org/r/162194384460.3999479.7605572278074191079.stgit@warthog.procyon.org.uk/ # v1 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-27iommu/vt-d: Fix sysfs leak in alloc_iommu()Rolf Eike Beer1-1/+3
iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent errors. Fixes: 39ab9555c2411 ("iommu: Add sysfs bindings for struct iommu_device") Cc: stable@vger.kernel.org # 4.11.x Signed-off-by: Rolf Eike Beer <eb@emlix.com> Acked-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/17411490.HIIP88n32C@mobilepool36.emlix.com Link: https://lore.kernel.org/r/20210525070802.361755-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-05-27nfs: Remove trailing semicolon in macrosHuilong Deng2-2/+2
Macros should not use a trailing semicolon. Signed-off-by: Huilong Deng <denghuilong@cdjrlc.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-27xprtrdma: Revert 586a0787ce35Chuck Lever1-9/+18
Commit 9ed5af268e88 ("SUNRPC: Clean up the handling of page padding in rpc_prepare_reply_pages()") [Dec 2020] affects RPC Replies that have a data payload (i.e., Write chunks). rpcrdma_prepare_readch(), as its name suggests, sets up Read chunks which are data payloads within RPC Calls. Those payloads are constructed by xdr_write_pages(), which continues to stuff the call buffer's tail kvec with the payload's XDR roundup. Thus removing the tail buffer logic in rpcrdma_prepare_readch() was the wrong thing to do. Fixes: 586a0787ce35 ("xprtrdma: Clean up rpcrdma_prepare_readch()") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-27NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 configZhang Xiaoxu1-1/+1
Since commit bdcc2cd14e4e ("NFSv4.2: handle NFS-specific llseek errors"), nfs42_proc_llseek would return -EOPNOTSUPP rather than -ENOTSUPP when SEEK_DATA on NFSv4.0/v4.1. This will lead xfstests generic/285 not run on NFSv4.0/v4.1 when set the CONFIG_NFS_V4_2, rather than run failed. Fixes: bdcc2cd14e4e ("NFSv4.2: handle NFS-specific llseek errors") Cc: <stable.vger.kernel.org> # 4.2 Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-27ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 17 G8Jeremy Szu1-0/+1
The HP ZBook Studio 17.3 Inch G8 is using ALC285 codec which is using 0x04 to control mute LED and 0x01 to control micmute LED. In the other hand, there is no output from right channel of speaker. Therefore, add a quirk to make it works. Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210519170357.58410-4-jeremy.szu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-27ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 15 G8Jeremy Szu1-0/+1
The HP ZBook Fury 15.6 Inch G8 is using ALC285 codec which is using 0x04 to control mute LED and 0x01 to control micmute LED. In the other hand, there is no output from right channel of speaker. Therefore, add a quirk to make it works. Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210519170357.58410-3-jeremy.szu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-27ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook G8Jeremy Szu1-0/+1
The HP ZBook Studio 15.6 Inch G8 is using ALC285 codec which is using 0x04 to control mute LED and 0x01 to control micmute LED. In the other hand, there is no output from right channel of speaker. Therefore, add a quirk to make it works. Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210519170357.58410-2-jeremy.szu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-27ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8Jeremy Szu1-0/+1
The HP EliteBook 855 G8 Notebook PC is using ALC285 codec which needs ALC285_FIXUP_HP_MUTE_LED fixup to make it works. After applying the fixup, the mute/micmute LEDs work good. Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210519170357.58410-1-jeremy.szu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-26net: phy: Document phydev::dev_flags bits allocationFlorian Fainelli1-0/+5
Document the phydev::dev_flags bit allocation to allow bits 15:0 to define PHY driver specific behavior, bits 23:16 to be reserved for now, and bits 31:24 to hold generic PHY driver flags. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://lore.kernel.org/r/20210526184617.3105012-1-f.fainelli@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-26perf jevents: Fix getting maximum number of fdsFelix Fietkau1-1/+1
On some hosts, rlim.rlim_max can be returned as RLIM_INFINITY. By casting it to int, it is interpreted as -1, which will cause get_maxfds to return 0, causing "Invalid argument" errors in nftw() calls. Fix this by casting the second argument of min() to rlim_t instead. Fixes: 80eeb67fe577 ("perf jevents: Program to convert JSON file") Signed-off-by: Felix Fietkau <nbd@nbd.name> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.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> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Link: http://lore.kernel.org/lkml/20210525160758.97829-1-nbd@nbd.name Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-26NFS: Clean up reset of the mirror accounting variablesTrond Myklebust1-8/+1
Now that nfs_pageio_do_add_request() resets the pg_count, we don't need these other inlined resets. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-26NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()Trond Myklebust1-7/+5
The value of mirror->pg_bytes_written should only be updated after a successful attempt to flush out the requests on the list. Fixes: a7d42ddb3099 ("nfs: add mirroring support to pgio layer") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-26NFS: Fix an Oopsable condition in __nfs_pageio_add_request()Trond Myklebust1-4/+5
Ensure that nfs_pageio_error_cleanup() resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfs_pageio_do_add_request() to be more robust by checking whether or not the list is empty rather than relying on the value of pg_count. Fixes: a7d42ddb3099 ("nfs: add mirroring support to pgio layer") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-26SUNRPC: More fixes for backlog congestionTrond Myklebust5-39/+52
Ensure that we fix the XPRT_CONGESTED starvation issue for RDMA as well as socket based transports. Ensure we always initialise the request after waking up from the backlog list. Fixes: e877a88d1f06 ("SUNRPC in case of backlog, hand free slots directly to waiting task") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-25mptcp: validate 'id' when stopping the ADD_ADDR retransmit timerDavide Caratti3-6/+6
when Linux receives an echo-ed ADD_ADDR, it checks the IP address against the list of "announced" addresses. In case of a positive match, the timer that handles retransmissions is stopped regardless of the 'Address Id' in the received packet: this behaviour does not comply with RFC8684 3.4.1. Fix it by validating the 'Address Id' in received echo-ed ADD_ADDRs. Tested using packetdrill, with the following captured output: unpatched kernel: Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0xfd2e62517888fe29,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 1.2.3.4,mptcp dss ack 3013740213], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0xfd2e62517888fe29,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 90 198.51.100.2,mptcp dss ack 3013740213], length 0 ^^^ retransmission is stopped here, but 'Address Id' is 90 patched kernel: Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 1.2.3.4,mptcp dss ack 1672384568], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 90 198.51.100.2,mptcp dss ack 1672384568], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 198.51.100.2,mptcp dss ack 1672384568], length 0 ^^^ retransmission is stopped here, only when both 'Address Id' and 'IP Address' match Fixes: 00cfd77b9063 ("mptcp: retransmit ADD_ADDR when timeout") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25mptcp: avoid error message on infinite mappingPaolo Abeni1-1/+0
Another left-over. Avoid flooding dmesg with useless text, we already have a MIB for that event. Fixes: 648ef4b88673 ("mptcp: Implement MPTCP receive path") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25mptcp: drop unconditional pr_warn on bad optPaolo Abeni1-1/+0
This is a left-over of early day. A malicious peer can flood the kernel logs with useless messages, just drop it. Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25mptcp: avoid OOB access in setsockopt()Paolo Abeni3-5/+14
We can't use tcp_set_congestion_control() on an mptcp socket, as such function can end-up accessing a tcp-specific field - prior_ssthresh - causing an OOB access. To allow propagating the correct ca algo on subflow, cache the ca name at initialization time. Additionally avoid overriding the user-selected CA (if any) at clone time. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/182 Fixes: aa1fbd94e5c7 ("mptcp: sockopt: add TCP_CONGESTION and TCP_INFO") Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25nfp: update maintainer and mailing list addressesSimon Horman1-2/+2
Some of Netronome's activities and people have moved over to Corigine, including NFP driver maintenance and myself. Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: mvpp2: add buffer header handling in RXStefan Chulski2-9/+67
If Link Partner sends frames larger than RX buffer size, MAC mark it as oversize but still would pass it to the Packet Processor. In this scenario, Packet Processor scatter frame between multiple buffers, but only a single buffer would be returned to the Buffer Manager pool and it would not refill the poll. Patch add handling of oversize error with buffer header handling, so all buffers would be returned to the Buffer Manager pool. Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit") Reported-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Stefan Chulski <stefanc@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25bnx2x: Fix missing error code in bnx2x_iov_init_one()Jiapeng Chong1-1/+3
Eliminate the follow smatch warning: drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c:1227 bnx2x_iov_init_one() warn: missing error code 'err'. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: zero-initialize tc skb extension on allocationVlad Buslov4-3/+14
Function skb_ext_add() doesn't initialize created skb extension with any value and leaves it up to the user. However, since extension of type TC_SKB_EXT originally contained only single value tc_skb_ext->chain its users used to just assign the chain value without setting whole extension memory to zero first. This assumption changed when TC_SKB_EXT extension was extended with additional fields but not all users were updated to initialize the new fields which leads to use of uninitialized memory afterwards. UBSAN log: [ 778.299821] UBSAN: invalid-load in net/openvswitch/flow.c:899:28 [ 778.301495] load of value 107 is not a valid value for type '_Bool' [ 778.303215] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc7+ #2 [ 778.304933] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 [ 778.307901] Call Trace: [ 778.308680] <IRQ> [ 778.309358] dump_stack+0xbb/0x107 [ 778.310307] ubsan_epilogue+0x5/0x40 [ 778.311167] __ubsan_handle_load_invalid_value.cold+0x43/0x48 [ 778.312454] ? memset+0x20/0x40 [ 778.313230] ovs_flow_key_extract.cold+0xf/0x14 [openvswitch] [ 778.314532] ovs_vport_receive+0x19e/0x2e0 [openvswitch] [ 778.315749] ? ovs_vport_find_upcall_portid+0x330/0x330 [openvswitch] [ 778.317188] ? create_prof_cpu_mask+0x20/0x20 [ 778.318220] ? arch_stack_walk+0x82/0xf0 [ 778.319153] ? secondary_startup_64_no_verify+0xb0/0xbb [ 778.320399] ? stack_trace_save+0x91/0xc0 [ 778.321362] ? stack_trace_consume_entry+0x160/0x160 [ 778.322517] ? lock_release+0x52e/0x760 [ 778.323444] netdev_frame_hook+0x323/0x610 [openvswitch] [ 778.324668] ? ovs_netdev_get_vport+0xe0/0xe0 [openvswitch] [ 778.325950] __netif_receive_skb_core+0x771/0x2db0 [ 778.327067] ? lock_downgrade+0x6e0/0x6f0 [ 778.328021] ? lock_acquire+0x565/0x720 [ 778.328940] ? generic_xdp_tx+0x4f0/0x4f0 [ 778.329902] ? inet_gro_receive+0x2a7/0x10a0 [ 778.330914] ? lock_downgrade+0x6f0/0x6f0 [ 778.331867] ? udp4_gro_receive+0x4c4/0x13e0 [ 778.332876] ? lock_release+0x52e/0x760 [ 778.333808] ? dev_gro_receive+0xcc8/0x2380 [ 778.334810] ? lock_downgrade+0x6f0/0x6f0 [ 778.335769] __netif_receive_skb_list_core+0x295/0x820 [ 778.336955] ? process_backlog+0x780/0x780 [ 778.337941] ? mlx5e_rep_tc_netdevice_event_unregister+0x20/0x20 [mlx5_core] [ 778.339613] ? seqcount_lockdep_reader_access.constprop.0+0xa7/0xc0 [ 778.341033] ? kvm_clock_get_cycles+0x14/0x20 [ 778.342072] netif_receive_skb_list_internal+0x5f5/0xcb0 [ 778.343288] ? __kasan_kmalloc+0x7a/0x90 [ 778.344234] ? mlx5e_handle_rx_cqe_mpwrq+0x9e0/0x9e0 [mlx5_core] [ 778.345676] ? mlx5e_xmit_xdp_frame_mpwqe+0x14d0/0x14d0 [mlx5_core] [ 778.347140] ? __netif_receive_skb_list_core+0x820/0x820 [ 778.348351] ? mlx5e_post_rx_mpwqes+0xa6/0x25d0 [mlx5_core] [ 778.349688] ? napi_gro_flush+0x26c/0x3c0 [ 778.350641] napi_complete_done+0x188/0x6b0 [ 778.351627] mlx5e_napi_poll+0x373/0x1b80 [mlx5_core] [ 778.352853] __napi_poll+0x9f/0x510 [ 778.353704] ? mlx5_flow_namespace_set_mode+0x260/0x260 [mlx5_core] [ 778.355158] net_rx_action+0x34c/0xa40 [ 778.356060] ? napi_threaded_poll+0x3d0/0x3d0 [ 778.357083] ? sched_clock_cpu+0x18/0x190 [ 778.358041] ? __common_interrupt+0x8e/0x1a0 [ 778.359045] __do_softirq+0x1ce/0x984 [ 778.359938] __irq_exit_rcu+0x137/0x1d0 [ 778.360865] irq_exit_rcu+0xa/0x20 [ 778.361708] common_interrupt+0x80/0xa0 [ 778.362640] </IRQ> [ 778.363212] asm_common_interrupt+0x1e/0x40 [ 778.364204] RIP: 0010:native_safe_halt+0xe/0x10 [ 778.365273] Code: 4f ff ff ff 4c 89 e7 e8 50 3f 40 fe e9 dc fe ff ff 48 89 df e8 43 3f 40 fe eb 90 cc e9 07 00 00 00 0f 00 2d 74 05 62 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 64 05 62 00 f4 c3 cc cc 0f 1f 44 00 [ 778.369355] RSP: 0018:ffffffff84407e48 EFLAGS: 00000246 [ 778.370570] RAX: ffff88842de46a80 RBX: ffffffff84425840 RCX: ffffffff83418468 [ 778.372143] RDX: 000000000026f1da RSI: 0000000000000004 RDI: ffffffff8343af5e [ 778.373722] RBP: fffffbfff0884b08 R08: 0000000000000000 R09: ffff88842de46bcb [ 778.375292] R10: ffffed1085bc8d79 R11: 0000000000000001 R12: 0000000000000000 [ 778.376860] R13: ffffffff851124a0 R14: 0000000000000000 R15: dffffc0000000000 [ 778.378491] ? rcu_eqs_enter.constprop.0+0xb8/0xe0 [ 778.379606] ? default_idle_call+0x5e/0xe0 [ 778.380578] default_idle+0xa/0x10 [ 778.381406] default_idle_call+0x96/0xe0 [ 778.382350] do_idle+0x3d4/0x550 [ 778.383153] ? arch_cpu_idle_exit+0x40/0x40 [ 778.384143] cpu_startup_entry+0x19/0x20 [ 778.385078] start_kernel+0x3c7/0x3e5 [ 778.385978] secondary_startup_64_no_verify+0xb0/0xbb Fix the issue by providing new function tc_skb_ext_alloc() that allocates tc skb extension and initializes its memory to 0 before returning it to the caller. Change all existing users to use new API instead of calling skb_ext_add() directly. Fixes: 038ebb1a713d ("net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct") Fixes: d29334c15d33 ("net/sched: act_api: fix miss set post_ct for ovs after do conntrack in act_ct") Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Acked-by: Cong Wang <cong.wang@bytedance.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25net: hns: Fix kernel-docYang Li1-3/+3
Fix function name in hns_ethtool.c kernel-doc comment to remove these warnings found by clang_w1. drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:202: warning: expecting prototype for hns_nic_set_link_settings(). Prototype was for hns_nic_set_link_ksettings() instead. drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:837: warning: expecting prototype for get_ethtool_stats(). Prototype was for hns_get_ethtool_stats() instead. drivers/net/ethernet/hisilicon/hns/hns_ethtool.c:894: warning: expecting prototype for get_strings(). Prototype was for hns_get_strings() instead. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Fixes: 'commit 262b38cdb3e4 ("net: ethernet: hisilicon: hns: use phydev from struct net_device")' Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25sctp: fix the proc_handler for sysctl encap_portXin Long1-1/+1
proc_dointvec() cannot do min and max check for setting a value when extra1/extra2 is set, so change it to proc_dointvec_minmax() for sysctl encap_port. Fixes: e8a3001c2120 ("sctp: add encap_port for netns sock asoc and transport") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25sctp: add the missing setting for asoc encap_portXin Long1-0/+1
This patch is to add the missing setting back for asoc encap_port. Fixes: 8dba29603b5c ("sctp: add SCTP_REMOTE_UDP_ENCAPS_PORT sockopt") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25proc: Check /proc/$pid/attr/ writes against file openerKees Cook1-0/+4
Fix another "confused deputy" weakness[1]. Writes to /proc/$pid/attr/ files need to check the opener credentials, since these fds do not transition state across execve(). Without this, it is possible to trick another process (which may have different credentials) to write to its own /proc/$pid/attr/ files, leading to unexpected and possibly exploitable behaviors. [1] https://www.kernel.org/doc/html/latest/security/credentials.html?highlight=confused#open-file-credentials Fixes: 1da177e4c3f41 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-25dm snapshot: properly fix a crash when an origin has no snapshotsMikulas Patocka1-1/+1
If an origin target has no snapshots, o->split_boundary is set to 0. This causes BUG_ON(sectors <= 0) in block/bio.c:bio_split(). Fix this by initializing chunk_size, and in turn split_boundary, to rounddown_pow_of_two(UINT_MAX) -- the largest power of two that fits into "unsigned" type. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2021-05-25dm snapshot: revert "fix a crash when an origin has no snapshots"Mikulas Patocka1-2/+3
Commit 7ee06ddc4038f936b0d4459d37a7d4d844fb03db ("dm snapshot: fix a crash when an origin has no snapshots") introduced a regression in snapshot merging - causing the lvm2 test lvcreate-cache-snapshot.sh got stuck in an infinite loop. Even though commit 7ee06ddc4038f936b0d4459d37a7d4d844fb03db was marked for stable@ the stable team was notified to _not_ backport it. Fixes: 7ee06ddc4038 ("dm snapshot: fix a crash when an origin has no snapshots") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2021-05-25dm verity: fix require_signatures module_param permissionsJohn Keeping1-1/+1
The third parameter of module_param() is permissions for the sysfs node but it looks like it is being used as the initial value of the parameter here. In fact, false here equates to omitting the file from sysfs and does not affect the value of require_signatures. Making the parameter writable is not simple because going from false->true is fine but it should not be possible to remove the requirement to verify a signature. But it can be useful to inspect the value of this parameter from userspace, so change the permissions to make a read-only file in sysfs. Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2021-05-25bpf, selftests: Adjust few selftest result_unpriv outcomesDaniel Borkmann2-10/+0
Given we don't need to simulate the speculative domain for registers with immediates anymore since the verifier uses direct imm-based rewrites instead of having to mask, we can also lift a few cases that were previously rejected. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-05-25bpf: No need to simulate speculative domain for immediatesDaniel Borkmann1-1/+5
In 801c6058d14a ("bpf: Fix leakage of uninitialized bpf stack under speculation") we replaced masking logic with direct loads of immediates if the register is a known constant. Given in this case we do not apply any masking, there is also no reason for the operation to be truncated under the speculative domain. Therefore, there is also zero reason for the verifier to branch-off and simulate this case, it only needs to do it for unknown but bounded scalars. As a side-effect, this also enables few test cases that were previously rejected due to simulation under zero truncation. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Piotr Krysiuk <piotras@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-05-25bpf: Fix mask direction swap upon off reg sign changeDaniel Borkmann1-10/+12
Masking direction as indicated via mask_to_left is considered to be calculated once and then used to derive pointer limits. Thus, this needs to be placed into bpf_sanitize_info instead so we can pass it to sanitize_ptr_alu() call after the pointer move. Piotr noticed a corner case where the off reg causes masking direction change which then results in an incorrect final aux->alu_limit. Fixes: 7fedb63a8307 ("bpf: Tighten speculative pointer arithmetic mask") Reported-by: Piotr Krysiuk <piotras@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Piotr Krysiuk <piotras@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-05-25bpf: Wrap aux data inside bpf_sanitize_info containerDaniel Borkmann1-7/+11
Add a container structure struct bpf_sanitize_info which holds the current aux info, and update call-sites to sanitize_ptr_alu() to pass it in. This is needed for passing in additional state later on. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Piotr Krysiuk <piotras@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-05-25bpf: Fix BPF_LSM kconfig symbol dependencyDaniel Borkmann1-0/+2
Similarly as 6bdacdb48e94 ("bpf: Fix BPF_JIT kconfig symbol dependency") we need to detangle the hard BPF_LSM dependency on NET. This was previously implicit by its dependency on BPF_JIT which itself was dependent on NET (but without any actual/real hard dependency code-wise). Given the latter was lifted, so should be the former as BPF_LSMs could well exist on net-less systems. This therefore also fixes a randconfig build error recently reported by Randy: ld: kernel/bpf/bpf_lsm.o: in function `bpf_lsm_func_proto': bpf_lsm.c:(.text+0x1a0): undefined reference to `bpf_sk_storage_get_proto' ld: bpf_lsm.c:(.text+0x1b8): undefined reference to `bpf_sk_storage_delete_proto' [...] Fixes: b24abcff918a ("bpf, kconfig: Add consolidated menu entry for bpf with core options") Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org>
2021-05-25afs: Fix fall-through warnings for ClangGustavo A. R. Silva3-0/+10
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple fallthrough pseudo-keywords in places where the code is intended to fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeffrey Altman <jaltman@auristor.com> cc: linux-afs@lists.infradead.org cc: linux-hardening@vger.kernel.org Link: https://lore.kernel.org/r/51150b54e0b0431a2c401cd54f2c4e7f50e94601.1605896059.git.gustavoars@kernel.org/ # v1 Link: https://lore.kernel.org/r/20210420211615.GA51432@embeddedor/ # v2 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-25selftests/bpf: Add test for l3 use of bpf_redirect_peerJussi Maki2-178/+405
Add a test case for using bpf_skb_change_head() in combination with bpf_redirect_peer() to redirect a packet from a L3 device to veth and back. The test uses a BPF program that adds L2 headers to the packet coming from a L3 device and then calls bpf_redirect_peer() to redirect the packet to a veth device. The test fails as skb->mac_len is not set properly and thus the ethernet headers are not properly skb_pull'd in cls_bpf_classify(), causing tcp_v4_rcv() to point the TCP header into middle of the IP header. Signed-off-by: Jussi Maki <joamaki@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210525102955.2811090-1-joamaki@gmail.com
2021-05-25ALSA: hda/realtek: Chain in pop reduction fixup for ThinkStation P340Peter Ujfalusi1-1/+9
Lenovo ThinkStation P340 uses ALC623 codec (SSID 17aa:1048) and it produces bug plock/pop noise over line out (green jack on the back) which can be fixed by applying ALC269_FIXUP_NO_SHUTUP tot he machine. Convert the existing entry for the same SSID to chain to apply this fixup as well. Suggested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210524203726.2278-1-peter.ujfalusi@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-25bpftool: Add sock_release help info for cgroup attach/prog load commandLiu Jian5-7/+10
The help information was not added at the time when the function got added. Fix this and add the missing information to its cli, documentation and bash completion. Fixes: db94cc0b4805 ("bpftool: Add support for BPF_CGROUP_INET_SOCK_RELEASE") Signed-off-by: Liu Jian <liujian56@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20210525014139.323859-1-liujian56@huawei.com
2021-05-25MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACERTiezhu Yang1-6/+6
When update the latest mainline kernel with the following three configs, the kernel hangs during startup: (1) CONFIG_FUNCTION_GRAPH_TRACER=y (2) CONFIG_PREEMPT_TRACER=y (3) CONFIG_FTRACE_STARTUP_TEST=y When update the latest mainline kernel with the above two configs (1) and (2), the kernel starts normally, but it still hangs when execute the following command: echo "function_graph" > /sys/kernel/debug/tracing/current_tracer Without CONFIG_PREEMPT_TRACER=y, the above two kinds of kernel hangs disappeared, so it seems that CONFIG_PREEMPT_TRACER has some influences with function_graph tracer at the first glance. I use ejtag to find out the epc address is related with preempt_enable() in the file arch/mips/lib/mips-atomic.c, because function tracing can trace the preempt_{enable,disable} calls that are traced, replace them with preempt_{enable,disable}_notrace to prevent function tracing from going into an infinite loop, and then it can fix the kernel hang issue. By the way, it seems that this commit is a complement and improvement of commit f93a1a00f2bd ("MIPS: Fix crash that occurs when function tracing is enabled"). Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-05-25MIPS: ralink: export rt_sysc_membase for rt2880_wdt.cRandy Dunlap1-0/+2
rt2880_wdt.c uses (well, attempts to use) rt_sysc_membase. However, when this watchdog driver is built as a loadable module, there is a build error since the rt_sysc_membase symbol is not exported. Export it to quell the build error. ERROR: modpost: "rt_sysc_membase" [drivers/watchdog/rt2880_wdt.ko] undefined! Fixes: 473cf939ff34 ("watchdog: add ralink watchdog driver") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: John Crispin <john@phrozen.org> Cc: linux-mips@vger.kernel.org Cc: linux-watchdog@vger.kernel.org Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-05-25MIPS: launch.h: add include guard to prevent build errorsRandy Dunlap1-0/+5
arch/mips/include/asm/mips-boards/launch.h needs an include guard to prevent it from being #included more than once. Prevents these build errors: In file included from ../arch/mips/mti-malta/malta-amon.c:16: ../arch/mips/include/asm/mips-boards/launch.h:8:8: error: redefinition of 'struct cpulaunch' 8 | struct cpulaunch { | ^~~~~~~~~ In file included from ../arch/mips/include/asm/mips-cps.h:13, from ../arch/mips/include/asm/smp-ops.h:16, from ../arch/mips/include/asm/smp.h:21, from ../include/linux/smp.h:114, from ../arch/mips/mti-malta/malta-amon.c:12: ../arch/mips/include/asm/mips-boards/launch.h:8:8: note: originally defined here 8 | struct cpulaunch { | ^~~~~~~~~ make[3]: [../scripts/Makefile.build:273: arch/mips/mti-malta/malta-amon.o] Error 1 (ignored) Fixes: 6decd1aad15f ("MIPS: add support for buggy MT7621S core detection") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@vger.kernel.org Cc: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Reviewed-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-05-25MIPS: alchemy: xxs1500: add gpio-au1000.h header fileRandy Dunlap1-0/+1
board-xxs1500.c references 2 functions without declaring them, so add the header file to placate the build. ../arch/mips/alchemy/board-xxs1500.c: In function 'board_setup': ../arch/mips/alchemy/board-xxs1500.c:56:2: error: implicit declaration of function 'alchemy_gpio1_input_enable' [-Werror=implicit-function-declaration] 56 | alchemy_gpio1_input_enable(); ../arch/mips/alchemy/board-xxs1500.c:57:2: error: implicit declaration of function 'alchemy_gpio2_enable'; did you mean 'alchemy_uart_enable'? [-Werror=implicit-function-declaration] 57 | alchemy_gpio2_enable(); Fixes: 8e026910fcd4 ("MIPS: Alchemy: merge GPR/MTX-1/XXS1500 board code into single files") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@vger.kernel.org Cc: Manuel Lauss <manuel.lauss@googlemail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Acked-by: Manuel Lauss <manuel.lauss@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-05-25arm64: mm: don't use CON and BLK mapping if KFENCE is enabledJisheng Zhang1-1/+2
When we added KFENCE support for arm64, we intended that it would force the entire linear map to be mapped at page granularity, but we only enforced this in arch_add_memory() and not in map_mem(), so memory mapped at boot time can be mapped at a larger granularity. When booting a kernel with KFENCE=y and RODATA_FULL=n, this results in the following WARNING at boot: [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at mm/memory.c:2462 apply_to_pmd_range+0xec/0x190 [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc1+ #10 [ 0.000000] Hardware name: linux,dummy-virt (DT) [ 0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO BTYPE=--) [ 0.000000] pc : apply_to_pmd_range+0xec/0x190 [ 0.000000] lr : __apply_to_page_range+0x94/0x170 [ 0.000000] sp : ffffffc010573e20 [ 0.000000] x29: ffffffc010573e20 x28: ffffff801f400000 x27: ffffff801f401000 [ 0.000000] x26: 0000000000000001 x25: ffffff801f400fff x24: ffffffc010573f28 [ 0.000000] x23: ffffffc01002b710 x22: ffffffc0105fa450 x21: ffffffc010573ee4 [ 0.000000] x20: ffffff801fffb7d0 x19: ffffff801f401000 x18: 00000000fffffffe [ 0.000000] x17: 000000000000003f x16: 000000000000000a x15: ffffffc01060b940 [ 0.000000] x14: 0000000000000000 x13: 0098968000000000 x12: 0000000098968000 [ 0.000000] x11: 0000000000000000 x10: 0000000098968000 x9 : 0000000000000001 [ 0.000000] x8 : 0000000000000000 x7 : ffffffc010573ee4 x6 : 0000000000000001 [ 0.000000] x5 : ffffffc010573f28 x4 : ffffffc01002b710 x3 : 0000000040000000 [ 0.000000] x2 : ffffff801f5fffff x1 : 0000000000000001 x0 : 007800005f400705 [ 0.000000] Call trace: [ 0.000000] apply_to_pmd_range+0xec/0x190 [ 0.000000] __apply_to_page_range+0x94/0x170 [ 0.000000] apply_to_page_range+0x10/0x20 [ 0.000000] __change_memory_common+0x50/0xdc [ 0.000000] set_memory_valid+0x30/0x40 [ 0.000000] kfence_init_pool+0x9c/0x16c [ 0.000000] kfence_init+0x20/0x98 [ 0.000000] start_kernel+0x284/0x3f8 Fixes: 840b23986344 ("arm64, kfence: enable KFENCE for ARM64") Cc: <stable@vger.kernel.org> # 5.12.x Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Marco Elver <elver@google.com> Tested-by: Marco Elver <elver@google.com> Link: https://lore.kernel.org/r/20210525104551.2ec37f77@xhacker.debian Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-05-25netfs: Make CONFIG_NETFS_SUPPORT auto-selected rather than manualDavid Howells1-1/+1
Make the netfs helper library selected automatically by the things that use it rather than being manually configured, even though it's required[1]. Fixes: 3a5829fefd3b ("netfs: Make a netfs helper module") Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: linux-mm@kvack.org cc: linux-cachefs@redhat.com cc: linux-afs@lists.infradead.org cc: linux-nfs@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: ceph-devel@vger.kernel.org cc: v9fs-developer@lists.sourceforge.net cc: linux-fsdevel@vger.kernel.org Link: https://lore.kernel.org/r/CAMuHMdXJZ7iNQE964CdBOU=vRKVMFzo=YF_eiwsGgqzuvZ+TuA@mail.gmail.com [1] Link: https://lore.kernel.org/r/162090298141.3166007.2971118149366779916.stgit@warthog.procyon.org.uk # v1
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