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GNU linker's -z common-page-size's default value is based on the target
architecture. arch/sparc/vdso/Makefile sets it to the architecture
default, which is implicit and redundant. Drop it.
Link: https://lkml.kernel.org/r/20181206191231.192355-1-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull kvm fix from Paolo Bonzini:
"A simple patch for a pretty bad bug: Unbreak AMD nested
virtualization."
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: nSVM: fix switch to guest mmu
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This patch fixes qmap header retrieval when modem is configured for
dl data aggregation.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"Fix a division by zero crash in the posix-timers code"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-timers: Fix division by zero bug
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Added support for Fibocom NL678 series cellular module QMI interface.
Using QMI_QUIRK_SET_DTR required for Qualcomm MDM9x40 series chipsets.
Signed-off-by: Jörgen Storvist <jorgen.storvist@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some conditions e.g. when tls_clone_plaintext_msg() returns -ENOSPC,
the number of bytes to be copied using subsequent function
sk_msg_memcopy_from_iter() becomes zero. This causes function
sk_msg_memcopy_from_iter() to fail which in turn causes tls_sw_sendmsg()
to return failure. To prevent it, do not call sk_msg_memcopy_from_iter()
when number of bytes to copy (indicated by 'try_to_copy') is zero.
Fixes: d829e9c4112b ("tls: convert to generic sk_msg interface")
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull futex fix from Ingo Molnar:
"A single fix for a robust futexes race between sys_exit() and
sys_futex_lock_pi()"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Cure exit race
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"The biggest part is a series of reverts for the macro based GCC
inlining workarounds. It caused regressions in distro build and other
kernel tooling environments, and the GCC project was very receptive to
fixing the underlying inliner weaknesses - so as time ran out we
decided to do a reasonably straightforward revert of the patches. The
plan is to rely on the 'asm inline' GCC 9 feature, which might be
backported to GCC 8 and could thus become reasonably widely available
on modern distros.
Other than those reverts, there's misc fixes from all around the
place.
I wish our final x86 pull request for v4.20 was smaller..."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "kbuild/Makefile: Prepare for using macros in inline assembly code to work around asm() related GCC inlining bugs"
Revert "x86/objtool: Use asm macros to work around GCC inlining bugs"
Revert "x86/refcount: Work around GCC inlining bug"
Revert "x86/alternatives: Macrofy lock prefixes to work around GCC inlining bugs"
Revert "x86/bug: Macrofy the BUG table section handling, to work around GCC inlining bugs"
Revert "x86/paravirt: Work around GCC inlining bugs when compiling paravirt ops"
Revert "x86/extable: Macrofy inline assembly code to work around GCC inlining bugs"
Revert "x86/cpufeature: Macrofy inline assembly code to work around GCC inlining bugs"
Revert "x86/jump-labels: Macrofy inline assembly code to work around GCC inlining bugs"
x86/mtrr: Don't copy uninitialized gentry fields back to userspace
x86/fsgsbase/64: Fix the base write helper functions
x86/mm/cpa: Fix cpa_flush_array() TLB invalidation
x86/vdso: Pass --eh-frame-hdr to the linker
x86/mm: Fix decoy address handling vs 32-bit builds
x86/intel_rdt: Ensure a CPU remains online for the region's pseudo-locking sequence
x86/dump_pagetables: Fix LDT remap address marker
x86/mm: Fix guard hole handling
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xfrm6_policy_check() might have re-allocated skb->head, we need
to reload ipv6 header pointer.
sysbot reported :
BUG: KASAN: use-after-free in __ipv6_addr_type+0x302/0x32f net/ipv6/addrconf_core.c:40
Read of size 4 at addr ffff888191b8cb70 by task syz-executor2/1304
CPU: 0 PID: 1304 Comm: syz-executor2 Not tainted 4.20.0-rc7+ #356
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
print_address_description.cold.7+0x9/0x1ff mm/kasan/report.c:256
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report.cold.8+0x242/0x309 mm/kasan/report.c:412
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
__ipv6_addr_type+0x302/0x32f net/ipv6/addrconf_core.c:40
ipv6_addr_type include/net/ipv6.h:403 [inline]
ip6_tnl_get_cap+0x27/0x190 net/ipv6/ip6_tunnel.c:727
ip6_tnl_rcv_ctl+0xdb/0x2a0 net/ipv6/ip6_tunnel.c:757
vti6_rcv+0x336/0x8f3 net/ipv6/ip6_vti.c:321
xfrm6_ipcomp_rcv+0x1a5/0x3a0 net/ipv6/xfrm6_protocol.c:132
ip6_protocol_deliver_rcu+0x372/0x1940 net/ipv6/ip6_input.c:394
ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434
NF_HOOK include/linux/netfilter.h:289 [inline]
ip6_input+0xe9/0x600 net/ipv6/ip6_input.c:443
IPVS: ftp: loaded support on port[0] = 21
ip6_mc_input+0x514/0x11c0 net/ipv6/ip6_input.c:537
dst_input include/net/dst.h:450 [inline]
ip6_rcv_finish+0x17a/0x330 net/ipv6/ip6_input.c:76
NF_HOOK include/linux/netfilter.h:289 [inline]
ipv6_rcv+0x115/0x640 net/ipv6/ip6_input.c:272
__netif_receive_skb_one_core+0x14d/0x200 net/core/dev.c:4973
__netif_receive_skb+0x2c/0x1e0 net/core/dev.c:5083
process_backlog+0x24e/0x7a0 net/core/dev.c:5923
napi_poll net/core/dev.c:6346 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6412
__do_softirq+0x308/0xb7e kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027
</IRQ>
do_softirq.part.14+0x126/0x160 kernel/softirq.c:337
do_softirq+0x19/0x20 kernel/softirq.c:340
netif_rx_ni+0x521/0x860 net/core/dev.c:4569
dev_loopback_xmit+0x287/0x8c0 net/core/dev.c:3576
NF_HOOK include/linux/netfilter.h:289 [inline]
ip6_finish_output2+0x193a/0x2930 net/ipv6/ip6_output.c:84
ip6_fragment+0x2b06/0x3850 net/ipv6/ip6_output.c:727
ip6_finish_output+0x6b7/0xc50 net/ipv6/ip6_output.c:152
NF_HOOK_COND include/linux/netfilter.h:278 [inline]
ip6_output+0x232/0x9d0 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:444 [inline]
ip6_local_out+0xc5/0x1b0 net/ipv6/output_core.c:176
ip6_send_skb+0xbc/0x340 net/ipv6/ip6_output.c:1727
ip6_push_pending_frames+0xc5/0xf0 net/ipv6/ip6_output.c:1747
rawv6_push_pending_frames net/ipv6/raw.c:615 [inline]
rawv6_sendmsg+0x3a3e/0x4b40 net/ipv6/raw.c:945
kobject: 'queues' (0000000089e6eea2): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'queues' (0000000089e6eea2): kobject_uevent_env
inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798
kobject: 'queues' (0000000089e6eea2): kobject_uevent_env: filter function caused the event to drop!
sock_sendmsg_nosec net/socket.c:621 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:631
sock_write_iter+0x35e/0x5c0 net/socket.c:900
call_write_iter include/linux/fs.h:1857 [inline]
new_sync_write fs/read_write.c:474 [inline]
__vfs_write+0x6b8/0x9f0 fs/read_write.c:487
kobject: 'rx-0' (00000000e2d902d9): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000e2d902d9): kobject_uevent_env
vfs_write+0x1fc/0x560 fs/read_write.c:549
ksys_write+0x101/0x260 fs/read_write.c:598
kobject: 'rx-0' (00000000e2d902d9): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
__do_sys_write fs/read_write.c:610 [inline]
__se_sys_write fs/read_write.c:607 [inline]
__x64_sys_write+0x73/0xb0 fs/read_write.c:607
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
kobject: 'tx-0' (00000000443b70ac): kobject_add_internal: parent: 'queues', set: 'queues'
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457669
Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9bd200bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669
RDX: 000000000000058f RSI: 00000000200033c0 RDI: 0000000000000003
kobject: 'tx-0' (00000000443b70ac): kobject_uevent_env
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9bd200c6d4
R13: 00000000004c2dcc R14: 00000000004da398 R15: 00000000ffffffff
Allocated by task 1304:
save_stack+0x43/0xd0 mm/kasan/kasan.c:448
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553
__do_kmalloc_node mm/slab.c:3684 [inline]
__kmalloc_node_track_caller+0x50/0x70 mm/slab.c:3698
__kmalloc_reserve.isra.41+0x41/0xe0 net/core/skbuff.c:140
__alloc_skb+0x155/0x760 net/core/skbuff.c:208
kobject: 'tx-0' (00000000443b70ac): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0'
alloc_skb include/linux/skbuff.h:1011 [inline]
__ip6_append_data.isra.49+0x2f1a/0x3f50 net/ipv6/ip6_output.c:1450
ip6_append_data+0x1bc/0x2d0 net/ipv6/ip6_output.c:1619
rawv6_sendmsg+0x15ab/0x4b40 net/ipv6/raw.c:938
inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:621 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:631
___sys_sendmsg+0x7fd/0x930 net/socket.c:2116
__sys_sendmsg+0x11d/0x280 net/socket.c:2154
__do_sys_sendmsg net/socket.c:2163 [inline]
__se_sys_sendmsg net/socket.c:2161 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'gre0' (00000000cb1b2d7b): kobject_add_internal: parent: 'net', set: 'devices'
Freed by task 1304:
save_stack+0x43/0xd0 mm/kasan/kasan.c:448
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x102/0x150 mm/kasan/kasan.c:521
kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
__cache_free mm/slab.c:3498 [inline]
kfree+0xcf/0x230 mm/slab.c:3817
skb_free_head+0x93/0xb0 net/core/skbuff.c:553
pskb_expand_head+0x3b2/0x10d0 net/core/skbuff.c:1498
__pskb_pull_tail+0x156/0x18a0 net/core/skbuff.c:1896
pskb_may_pull include/linux/skbuff.h:2188 [inline]
_decode_session6+0xd11/0x14d0 net/ipv6/xfrm6_policy.c:150
__xfrm_decode_session+0x71/0x140 net/xfrm/xfrm_policy.c:3272
kobject: 'gre0' (00000000cb1b2d7b): kobject_uevent_env
__xfrm_policy_check+0x380/0x2c40 net/xfrm/xfrm_policy.c:3322
__xfrm_policy_check2 include/net/xfrm.h:1170 [inline]
xfrm_policy_check include/net/xfrm.h:1175 [inline]
xfrm6_policy_check include/net/xfrm.h:1185 [inline]
vti6_rcv+0x4bd/0x8f3 net/ipv6/ip6_vti.c:316
xfrm6_ipcomp_rcv+0x1a5/0x3a0 net/ipv6/xfrm6_protocol.c:132
ip6_protocol_deliver_rcu+0x372/0x1940 net/ipv6/ip6_input.c:394
ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434
NF_HOOK include/linux/netfilter.h:289 [inline]
ip6_input+0xe9/0x600 net/ipv6/ip6_input.c:443
ip6_mc_input+0x514/0x11c0 net/ipv6/ip6_input.c:537
dst_input include/net/dst.h:450 [inline]
ip6_rcv_finish+0x17a/0x330 net/ipv6/ip6_input.c:76
NF_HOOK include/linux/netfilter.h:289 [inline]
ipv6_rcv+0x115/0x640 net/ipv6/ip6_input.c:272
__netif_receive_skb_one_core+0x14d/0x200 net/core/dev.c:4973
__netif_receive_skb+0x2c/0x1e0 net/core/dev.c:5083
process_backlog+0x24e/0x7a0 net/core/dev.c:5923
kobject: 'gre0' (00000000cb1b2d7b): fill_kobj_path: path = '/devices/virtual/net/gre0'
napi_poll net/core/dev.c:6346 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6412
__do_softirq+0x308/0xb7e kernel/softirq.c:292
The buggy address belongs to the object at ffff888191b8cac0
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 176 bytes inside of
512-byte region [ffff888191b8cac0, ffff888191b8ccc0)
The buggy address belongs to the page:
page:ffffea000646e300 count:1 mapcount:0 mapping:ffff8881da800940 index:0x0
flags: 0x2fffc0000000200(slab)
raw: 02fffc0000000200 ffffea0006eaaa48 ffffea00065356c8 ffff8881da800940
raw: 0000000000000000 ffff888191b8c0c0 0000000100000006 0000000000000000
page dumped because: kasan: bad access detected
kobject: 'queues' (000000005fd6226e): kobject_add_internal: parent: 'gre0', set: '<NULL>'
Memory state around the buggy address:
ffff888191b8ca00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888191b8ca80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
>ffff888191b8cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888191b8cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888191b8cc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Fixes: 0d3c703a9d17 ("ipv6: Cleanup IPv6 tunnel receive path")
Fixes: ed1efb2aefbb ("ipv6: Add support for IPsec virtual tunnel interfaces")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull final drm fix from Daniel Vetter:
"Very calm week, so either everything perfect or everyone on holidays
already. Just one array_index_nospec patch, also for stable"
* tag 'drm-fixes-2018-12-21' of git://anongit.freedesktop.org/drm/drm:
drm/ioctl: Fix Spectre v1 vulnerabilities
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Fixed function sk_msg_clone() to prevent overflow of 'dst' while adding
pages in scatterlist entries. The overflow of 'dst' causes crash in kernel
tls module while doing record encryption.
Crash fixed by this patch.
[ 78.796119] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
[ 78.804900] Mem abort info:
[ 78.807683] ESR = 0x96000004
[ 78.810744] Exception class = DABT (current EL), IL = 32 bits
[ 78.816677] SET = 0, FnV = 0
[ 78.819727] EA = 0, S1PTW = 0
[ 78.822873] Data abort info:
[ 78.825759] ISV = 0, ISS = 0x00000004
[ 78.829600] CM = 0, WnR = 0
[ 78.832576] user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000bf8ee311
[ 78.839195] [0000000000000008] pgd=0000000000000000
[ 78.844081] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 78.849642] Modules linked in: tls xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_filter ip6_tables xt_CHECKSUM cpve cpufreq_conservative lm90 ina2xx crct10dif_ce
[ 78.865377] CPU: 0 PID: 6007 Comm: openssl Not tainted 4.20.0-rc6-01647-g754d5da63145-dirty #107
[ 78.874149] Hardware name: LS1043A RDB Board (DT)
[ 78.878844] pstate: 60000005 (nZCv daif -PAN -UAO)
[ 78.883632] pc : scatterwalk_copychunks+0x164/0x1c8
[ 78.888500] lr : scatterwalk_copychunks+0x160/0x1c8
[ 78.893366] sp : ffff00001d04b600
[ 78.896668] x29: ffff00001d04b600 x28: ffff80006814c680
[ 78.901970] x27: 0000000000000000 x26: ffff80006c8de786
[ 78.907272] x25: ffff00001d04b760 x24: 000000000000001a
[ 78.912573] x23: 0000000000000006 x22: ffff80006814e440
[ 78.917874] x21: 0000000000000100 x20: 0000000000000000
[ 78.923175] x19: 000081ffffffffff x18: 0000000000000400
[ 78.928476] x17: 0000000000000008 x16: 0000000000000000
[ 78.933778] x15: 0000000000000100 x14: 0000000000000001
[ 78.939079] x13: 0000000000001080 x12: 0000000000000020
[ 78.944381] x11: 0000000000001080 x10: 00000000ffff0002
[ 78.949683] x9 : ffff80006814c248 x8 : 00000000ffff0000
[ 78.954985] x7 : ffff80006814c318 x6 : ffff80006c8de786
[ 78.960286] x5 : 0000000000000f80 x4 : ffff80006c8de000
[ 78.965588] x3 : 0000000000000000 x2 : 0000000000001086
[ 78.970889] x1 : ffff7e0001b74e02 x0 : 0000000000000000
[ 78.976192] Process openssl (pid: 6007, stack limit = 0x00000000291367f9)
[ 78.982968] Call trace:
[ 78.985406] scatterwalk_copychunks+0x164/0x1c8
[ 78.989927] skcipher_walk_next+0x28c/0x448
[ 78.994099] skcipher_walk_done+0xfc/0x258
[ 78.998187] gcm_encrypt+0x434/0x4c0
[ 79.001758] tls_push_record+0x354/0xa58 [tls]
[ 79.006194] bpf_exec_tx_verdict+0x1e4/0x3e8 [tls]
[ 79.010978] tls_sw_sendmsg+0x650/0x780 [tls]
[ 79.015326] inet_sendmsg+0x2c/0xf8
[ 79.018806] sock_sendmsg+0x18/0x30
[ 79.022284] __sys_sendto+0x104/0x138
[ 79.025935] __arm64_sys_sendto+0x24/0x30
[ 79.029936] el0_svc_common+0x60/0xe8
[ 79.033588] el0_svc_handler+0x2c/0x80
[ 79.037327] el0_svc+0x8/0xc
[ 79.040200] Code: 6b01005f 54fff788 940169b1 f9000320 (b9400801)
[ 79.046283] ---[ end trace 74db007d069c1cf7 ]---
Fixes: d829e9c4112b ("tls: convert to generic sk_msg interface")
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Packet sockets with SOCK_DGRAM may pass an address for use in
dev_hard_header. Ensure that it is of sufficient length.
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Switching a few devices with Synaptics over to SMbus and disabling
SMbus on a couple devices with Elan touchpads as they need more
plumbing on PS/2 side"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics - enable SMBus for HP EliteBook 840 G4
Input: elantech - disable elan-i2c for P52 and P72
Input: synaptics - enable RMI on ThinkPad T560
Input: omap-keypad - fix idle configuration to not block SoC idle states
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Hopefully last round of GPIO fixes.
The ACPI patch is pretty important for some laptop users, the rest is
driver-specific for embedded (mostly ARM) systems.
I took out one ACPI patch that wasn't critical enough because I
couldn't justify sending it at this point, and that is why the commit
date is today, but the patches have been in linux-next.
Sorry for not sending some of them earlier :(
Notice that we have a co-maintainer for GPIO now, Bartosz Golaszewski,
and he might jump in and make some pull requests at times when I am
off.
Summary:
- ACPI IRQ request deferral
- OMAP: revert deferred wakeup quirk
- MAX7301: fix DMA safe memory handling
- MVEBU: selective probe failure on missing clk"
* tag 'gpio-v4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mvebu: only fail on missing clk if pwm is actually to be used
gpio: max7301: fix driver for use with CONFIG_VMAP_STACK
gpio: gpio-omap: Revert deferred wakeup quirk handling for regressions
gpiolib-acpi: Only defer request_irq for GpioInt ACPI event handlers
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When netxen_rom_fast_read() fails, "bios" is left uninitialized and may
contain random value, thus should not be used.
The fix ensures that if netxen_rom_fast_read() fails, we return "-EIO".
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull smb3 fix from Steve French:
"An important smb3 fix for an regression to some servers introduced by
compounding optimization to rmdir.
This fix has been tested by multiple developers (including me) with
the usual private xfstesting, but also by the new cifs/smb3 "buildbot"
xfstest VMs (thank you Ronnie and Aurelien for good work on this
automation). The automated testing has been updated so that it will
catch problems like this in the future.
Note that Pavel discovered (very recently) some unrelated but
extremely important bugs in credit handling (smb3 flow control problem
that can lead to disconnects/reconnects) when compounding, that I
would have liked to send in ASAP but the complete testing of those two
fixes may not be done in time and have to wait for 4.21"
* tag '4.20-rc7-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb3: Fix rmdir compounding regression to strict servers
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The riscv_timer driver can provide sched_clock using "rdtime"
instruction but to achieve this we require generic sched_clock
framework hence this patch selects GENERIC_SCHED_CLOCK for RISCV.
Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Fix tab/space conversion and use ENTRY/ENDPROC macros.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Now that we have earlycon support in the SBI console driver there is no
reason to have our arch-specific early printk support. This patch set
turns on SBI earlycon support and removes the old early printk.
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Added a menu to choose how the built-in command line will be
used and CMDLINE_EXTEND for compatibility with FDT code.
v2: Improved help messages, removed references to bootloader
and made them more descriptive. I also asked help from a
friend who's a language expert just in case.
v3: This time used the corrected text
v4: Copy the config strings from the arm32 port.
v5: Actually copy the config strings from the arm32 port.
Signed-off-by: Nick Kossifidis <mick@ics.forth.gr>
Signed-off-by: Debbie Maliotaki <dmaliotaki@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Noticed while building kernel-4.20.0-0.rc5.git2.1.fc30 for
Fedora 30/RISCV.
[..]
BUILDSTDERR: arch/riscv/kernel/ftrace.c: In function 'prepare_ftrace_return':
BUILDSTDERR: arch/riscv/kernel/ftrace.c:135:6: warning: unused variable 'err' [-Wunused-variable]
BUILDSTDERR: int err;
BUILDSTDERR: ^~~
[..]
Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Fixes: e949b6db51dc1 ("riscv/function_graph: Simplify with function_graph_enter()")
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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use of_node_put() to release the refcount.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Fix of_node* refcount at various places by using of_node_put.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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If an architecture does not define the atomic_{cmp,}xchg_*() variants,
the generic implementation defaults them to the fully-ordered version.
riscv's had its own variants since "the beginning", but it never told
(#define-d these for) the generic implementation: it is time to do so.
Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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tps65910_reg_set_bits() may fail. The fix checks if it fails, and if so,
returns with its error code.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix build error when CONFIG_REGMAP_I2C=m && CONFIG_REGULATOR_MCP16502=y.
drivers/regulator/mcp16502.o: In function `mcp16502_probe':
mcp16502.c:(.text+0xca): undefined reference to `__devm_regmap_init_i2c'
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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dmesg reports that "Your touchpad (PNP: SYN3052 SYN0100 SYN0002 PNP0f13)
says it can support a different bus."
I've tested the offered psmouse.synaptics_intertouch=1 with 4.18.x and
4.19.x and it seems to work well. No problems seen with suspend/resume.
Also, it appears that RMI/SMBus mode is actually required for 3-4 finger
multitouch gestures to work -- otherwise they are not reported at all.
Information from dmesg in both modes:
psmouse serio3: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2b1,
caps: 0xf00123/0x840300/0x2e800/0x0, board id: 3139, fw id: 2000742
psmouse serio3: synaptics: Trying to set up SMBus access
rmi4_smbus 6-002c: registering SMbus-connected sensor
rmi4_f01 rmi4-00.fn01: found RMI device,
manufacturer: Synaptics, product: TM3139-001, fw id: 2000742
Signed-off-by: Mantas Mikulėnas <grawity@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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* pm-devfreq:
PM / devfreq: add devfreq_suspend/resume() functions
PM / devfreq: add support for suspend/resume of a devfreq device
PM / devfreq: refactor set_target frequency function
* pm-avs:
PM / AVS: SmartReflex: Switch to SPDX Licence ID
PM / AVS: SmartReflex: NULL check before some freeing functions is not needed
PM / AVS: SmartReflex: remove unused function
* pm-tools:
tools/power/x86/intel_pstate_tracer: Fix non root execution for post processing a trace file
tools/power turbostat: consolidate duplicate model numbers
tools/power turbostat: fix goldmont C-state limit decoding
cpupower : Auto-completion for cpupower tool
tools/power turbostat: reduce debug output
tools/power turbosat: fix AMD APIC-id output
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* pm-core:
PM-runtime: Switch autosuspend over to using hrtimers
* pm-qos:
PM / QoS: Change to use DEFINE_SHOW_ATTRIBUTE macro
* pm-domains:
PM / Domains: remove define_genpd_open_function() and define_genpd_debugfs_fops()
* pm-sleep:
PM / sleep: convert to DEFINE_SHOW_ATTRIBUTE
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* pm-opp:
PM / Domains: Propagate performance state updates
PM / Domains: Factorize dev_pm_genpd_set_performance_state()
PM / Domains: Save OPP table pointer in genpd
OPP: Don't return 0 on error from of_get_required_opp_performance_state()
OPP: Add dev_pm_opp_xlate_performance_state() helper
OPP: Improve _find_table_of_opp_np()
PM / Domains: Make genpd performance states orthogonal to the idlestates
OPP: Fix missing debugfs supply directory for OPPs
OPP: Use opp_table->regulators to verify no regulator case
OPP: Remove of_dev_pm_opp_find_required_opp()
OPP: Rename and relocate of_genpd_opp_to_performance_state()
OPP: Configure all required OPPs
OPP: Add dev_pm_opp_{set|put}_genpd_virt_dev() helper
PM / Domains: Add genpd_opp_to_performance_state()
OPP: Populate OPPs from "required-opps" property
OPP: Populate required opp tables from "required-opps" property
OPP: Separate out custom OPP handler specific code
OPP: Identify and mark genpd OPP tables
PM / Domains: Rename genpd virtual devices as virt_dev
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* pm-cpuidle:
cpuidle: Add 'above' and 'below' idle state metrics
cpuidle: big.LITTLE: fix refcount leak
cpuidle: Add cpuidle.governor= command line parameter
cpuidle: poll_state: Disregard disable idle states
Documentation: admin-guide: PM: Add cpuidle document
* pm-cpufreq:
cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver
dt-bindings: cpufreq: Introduce QCOM cpufreq firmware bindings
cpufreq: nforce2: Remove meaningless return
cpufreq: ia64: Remove unused header files
cpufreq: imx6q: save one condition block for normal case of nvmem read
cpufreq: imx6q: remove unused code
cpufreq: pmac64: add of_node_put()
cpufreq: powernv: add of_node_put()
Documentation: intel_pstate: Clarify coordination of P-State limits
cpufreq: intel_pstate: Force HWP min perf before offline
cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro
* pm-cpufreq-sched:
sched/cpufreq: Add the SPDX tags
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* acpi-pci:
ACPI: Make PCI slot detection driver depend on PCI
ACPI/IORT: Stub out ACS functions when CONFIG_PCI is not set
arm64: select ACPI PCI code only when both features are enabled
PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set
ACPICA: Remove PCI bits from ACPICA when CONFIG_PCI is unset
ACPI: Allow CONFIG_PCI to be unset for reboot
ACPI: Move PCI reset to a separate function
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* acpi-tables:
ACPI / tables: Add an ifdef around amlcode and dsdt_amlcode
ACPI / tables: add DSDT AmlCode new declaration name support
ACPI: SPCR: Consider baud rate 0 as preconfigured state
* acpi-soc:
ACPI / LPSS: Ignore acpi_device_fix_up_power() return value
ACPI / APD: Add clock frequency for Hisilicon Hip08 SPI controller
* acpi-apei:
ACPI/APEI: Clear GHES block_status before panic()
ACPI, APEI, EINJ: Change to use DEFINE_SHOW_ATTRIBUTE macro
* acpi-misc:
ACPI: fix acpi_find_child_device() invocation in acpi_preset_companion()
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* acpica:
ACPICA: Update version to 20181213
ACPICA: change coding style to match ACPICA, no functional change
ACPICA: Debug output: Add option to display method/object evaluation
ACPICA: disassembler: disassemble OEMx tables as AML
ACPICA: Add "Windows 2018.2" string in the _OSI support
ACPICA: Expressions in package elements are not supported
ACPICA: Update buffer-to-string conversions
ACPICA: add comments, no functional change
ACPICA: Remove defines that use deprecated flag
ACPICA: Add "Windows 2018" string in the _OSI support
ACPICA: Update version to 20181031
ACPICA: iASL: Enhance error detection
ACPICA: iASL: adding definition and disassembly for TPM2 revision 3
ACPICA: Use %d for signed int print formatting instead of %u
ACPICA: Debugger: refactor to fix unused variable warning
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The current implementation of elan_i2c is known to not support those
2 laptops.
A proper fix is to tweak both elantech and elan_i2c to transmit the
correct information from PS/2, which would make a bad candidate for
stable.
So to give us some time for fixing the root of the problem, disable
elan_i2c for the devices we know are not behaving properly.
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803600
Link: https://bugs.archlinux.org/task/59714
Fixes: df077237cf55 Input: elantech - detect new ICs and setup Host Notify for them
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The gpio IP on Armada 370 at offset 0x18180 has neither a clk nor pwm
registers. So there is no need for a clk as the pwm isn't used anyhow.
So only check for the clk in the presence of the pwm registers. This fixes
a failure to probe the gpio driver for the above mentioned gpio device.
Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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spi_read() and spi_write() require DMA-safe memory. When
CONFIG_VMAP_STACK is selected, those functions cannot be used
with buffers on stack.
This patch replaces calls to spi_read() and spi_write() by
spi_write_then_read() which doesn't require DMA-safe buffers.
Fixes: 0c36ec314735 ("gpio: gpio driver for max7301 SPI GPIO expander")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Commit ec0daae685b2 ("gpio: omap: Add level wakeup handling for omap4
based SoCs") attempted to fix omap4 GPIO wakeup handling as it was
blocking deeper SoC idle states. However this caused a regression for
GPIOs during runtime having over second long latencies for Ethernet
GPIO interrupt as reportedy by Russell King <rmk+kernel@armlinux.org.uk>.
Let's fix this issue by doing a partial revert of the breaking commit.
We still want to keep the quirk handling around as it is also used for
OMAP_GPIO_QUIRK_IDLE_REMOVE_TRIGGER.
The real fix for omap4 GPIO wakeup handling involves fixes for
omap_set_gpio_trigger() and omap_gpio_unmask_irq() and will be posted
separately. And we must keep the wakeup bit enabled during runtime
because of module doing clock autogating with autoidle configured.
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Fixes: ec0daae685b2 ("gpio: omap: Add level wakeup handling for omap4
based SoCs")
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Ladislav Michl <ladis@linux-mips.org>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Alexei reported use after frees in inet_diag_dump_icsk() [1]
Because we use refcount_set() when various sockets are setup and
inserted into ehash, we also need to make sure inet_diag_dump_icsk()
wont race with the refcount_set() operations.
Jonathan Lemon sent a patch changing net_twsk_hashdance() but
other spots would need risky changes.
Instead, fix inet_diag_dump_icsk() as this bug came with
linux-4.10 only.
[1] Quoting Alexei :
First something iterating over sockets finds already freed tw socket:
refcount_t: increment on 0; use-after-free.
WARNING: CPU: 2 PID: 2738 at lib/refcount.c:153 refcount_inc+0x26/0x30
RIP: 0010:refcount_inc+0x26/0x30
RSP: 0018:ffffc90004c8fbc0 EFLAGS: 00010282
RAX: 000000000000002b RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88085ee9d680 RSI: ffff88085ee954c8 RDI: ffff88085ee954c8
RBP: ffff88010ecbd2c0 R08: 0000000000000000 R09: 000000000000174c
R10: ffffffff81e7c5a0 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8806ba9bf210 R14: ffffffff82304600 R15: ffff88010ecbd328
FS: 00007f81f5a7d700(0000) GS:ffff88085ee80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81e2a95000 CR3: 000000069b2eb006 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
inet_diag_dump_icsk+0x2b3/0x4e0 [inet_diag] // sock_hold(sk); in net/ipv4/inet_diag.c:1002
? kmalloc_large_node+0x37/0x70
? __kmalloc_node_track_caller+0x1cb/0x260
? __alloc_skb+0x72/0x1b0
? __kmalloc_reserve.isra.40+0x2e/0x80
__inet_diag_dump+0x3b/0x80 [inet_diag]
netlink_dump+0x116/0x2a0
netlink_recvmsg+0x205/0x3c0
sock_read_iter+0x89/0xd0
__vfs_read+0xf7/0x140
vfs_read+0x8a/0x140
SyS_read+0x3f/0xa0
do_syscall_64+0x5a/0x100
then a minute later twsk timer fires and hits two bad refcnts
for this freed socket:
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 31 PID: 0 at lib/refcount.c:228 refcount_dec+0x2e/0x40
Modules linked in:
RIP: 0010:refcount_dec+0x2e/0x40
RSP: 0018:ffff88085f5c3ea8 EFLAGS: 00010296
RAX: 000000000000002c RBX: ffff88010ecbd2c0 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000003f
RBP: ffffc90003c77280 R08: 0000000000000000 R09: 00000000000017d3
R10: ffffffff81e7c5a0 R11: 0000000000000000 R12: ffffffff82ad2d80
R13: ffffffff8182de00 R14: ffff88085f5c3ef8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88085f5c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe42685250 CR3: 0000000002209001 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
inet_twsk_kill+0x9d/0xc0 // inet_twsk_bind_unhash(tw, hashinfo);
call_timer_fn+0x29/0x110
run_timer_softirq+0x36b/0x3a0
refcount_t: underflow; use-after-free.
WARNING: CPU: 31 PID: 0 at lib/refcount.c:187 refcount_sub_and_test+0x46/0x50
RIP: 0010:refcount_sub_and_test+0x46/0x50
RSP: 0018:ffff88085f5c3eb8 EFLAGS: 00010296
RAX: 0000000000000026 RBX: ffff88010ecbd2c0 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000003f
RBP: ffff88010ecbd358 R08: 0000000000000000 R09: 000000000000185b
R10: ffffffff81e7c5a0 R11: 0000000000000000 R12: ffff88010ecbd358
R13: ffffffff8182de00 R14: ffff88085f5c3ef8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88085f5c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe42685250 CR3: 0000000002209001 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
inet_twsk_put+0x12/0x20 // inet_twsk_put(tw);
call_timer_fn+0x29/0x110
run_timer_softirq+0x36b/0x3a0
Fixes: 67db3e4bfbc9 ("tcp: no longer hold ehash lock while calling tcp_get_info()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Alexei Starovoitov <ast@kernel.org>
Cc: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Arjun Vynipadath will be taking over as maintainer from now.
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was reported that IPsec would crash when it encounters an IPv6
reassembled packet because skb->sk is non-zero and not a valid
pointer.
This is because skb->sk is now a union with ip_defrag_offset.
This patch fixes this by resetting skb->sk when exiting from
the reassembly code.
Reported-by: Xiumei Mu <xmu@redhat.com>
Fixes: 219badfaade9 ("ipv6: frags: get rid of ip6frag_skb_cb/...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MAC table in Ocelot supports auto aging (normal) and static entries.
MAC entries that is manually configured should be static and not subject
to aging.
Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Allan Nielsen <allan.nielsen@microchip.com>
Reviewed-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"I2C has a MAINTAINERS update for you, so people will be immediately
pointed to the right person for this previously orphaned driver.
And one of Arnd's build warning fixes for a new driver added this
cycle"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: nvidia-gpu: mark resume function as __maybe_unused
MAINTAINERS: add entry for i2c-axxia driver
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Pull UBI/UBIFS fixes from Richard Weinberger:
- Kconfig dependency fixes for our new auth feature
- Fix for selecting the right compressor when creating a fs
- Bugfix for a bug in UBIFS's O_TMPFILE implementation
- Refcounting fixes for UBI
* tag 'upstream-4.20-rc7' of git://git.infradead.org/linux-ubifs:
ubifs: Handle re-linking of inodes correctly while recovery
ubi: Do not drop UBI device reference before using
ubi: Put MTD device after it is not used
ubifs: Fix default compression selection in ubifs
ubifs: Fix memory leak on error condition
ubifs: auth: Add CONFIG_KEYS dependency
ubifs: CONFIG_UBIFS_FS_AUTHENTICATION should depend on UBIFS_FS
ubifs: replay: Fix high stack usage
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Clang warns:
drivers/acpi/tables.c:715:14: warning: unused variable 'amlcode'
[-Wunused-variable]
static void *amlcode __attribute__ ((weakref("AmlCode")));
^
drivers/acpi/tables.c:716:14: warning: unused variable 'dsdt_amlcode'
[-Wunused-variable]
static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code")));
^
2 warnings generated.
The only uses of these variables are hiddem behind CONFIG_ACPI_CUSTOM_DSDT
so do the same thing here.
Fixes: 82e4eb4e9653 (ACPI / tables: add DSDT AmlCode new declaration name support)
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In __ghes_panic() clear the block status in the APEI generic
error status block for that generic hardware error source before
calling panic() to prevent a second panic() in the crash kernel
for exactly the same fatal error.
Otherwise ghes_probe(), running in the crash kernel, would see
an unhandled error in the APEI generic error status block and
panic again, thereby precluding any crash dump.
Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
Tested-by: Tyler Baicar <baicar.tyler@gmail.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fix spectre v1 vuln in drm_ioctl
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181220165740.GA42344@art_vandelay
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