ODROID-XU4: Enable bridge module #124
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bridge module is required by docker for setting up networking. It was enabled on default in previous kernels, and is used in many applications. Signed-off-by: Christian Stewart <christian@paral.in>
Enabling modules required for iptables nat. Used in Docker among other situations. Signed-off-by: Christian Stewart <christian@paral.in>
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Added additional modules needed for iptables nat filtering. These are also enabled on default on most kernels. |
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So we need: |
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Aug 9, 2016
If the addition of the coresight devices get deferred, then there's a window before child_name is populated by of_get_coresight_platform_data from the respective component driver's probe and the attempted to access the same from coresight_orphan_match resulting in kernel NULL pointer dereference as below: Unable to handle kernel NULL pointer dereference at virtual address 0x0 Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 1038 Comm: kworker/0:1 Not tainted 4.7.0-rc3 hardkernel#124 Hardware name: ARM Juno development board (r2) (DT) Workqueue: events amba_deferred_retry_func PC is at strcmp+0x1c/0x160 LR is at coresight_orphan_match+0x7c/0xd0 Call trace: strcmp+0x1c/0x160 bus_for_each_dev+0x60/0xa0 coresight_register+0x264/0x2e0 tmc_probe+0x130/0x310 amba_probe+0xd4/0x1c8 driver_probe_device+0x22c/0x418 __device_attach_driver+0xbc/0x158 bus_for_each_drv+0x58/0x98 __device_attach+0xc4/0x160 device_initial_probe+0x10/0x18 bus_probe_device+0x94/0xa0 device_add+0x344/0x580 amba_device_try_add+0x194/0x238 amba_deferred_retry_func+0x48/0xd0 process_one_work+0x118/0x378 worker_thread+0x48/0x498 kthread+0xd0/0xe8 ret_from_fork+0x10/0x40 This patch adds a check for non-NULL conn->child_name before accessing the same. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Dmole
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Feb 18, 2017
[ Upstream commit 73d2c66 ] Andrey reported a kernel crash: general protection fault: 0000 [hardkernel#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 2 PID: 3880 Comm: syz-executor1 Not tainted 4.10.0-rc6+ hardkernel#124 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff880060048040 task.stack: ffff880069be8000 RIP: 0010:ping_v4_push_pending_frames net/ipv4/ping.c:647 [inline] RIP: 0010:ping_v4_sendmsg+0x1acd/0x23f0 net/ipv4/ping.c:837 RSP: 0018:ffff880069bef8b8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff880069befb90 RCX: 0000000000000000 RDX: 0000000000000018 RSI: ffff880069befa30 RDI: 00000000000000c2 RBP: ffff880069befbb8 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff880069befab0 R13: ffff88006c624a80 R14: ffff880069befa70 R15: 0000000000000000 FS: 00007f6f7c716700(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004a6f28 CR3: 000000003a134000 CR4: 00000000000006e0 Call Trace: inet_sendmsg+0x164/0x5b0 net/ipv4/af_inet.c:744 sock_sendmsg_nosec net/socket.c:635 [inline] sock_sendmsg+0xca/0x110 net/socket.c:645 SYSC_sendto+0x660/0x810 net/socket.c:1687 SyS_sendto+0x40/0x50 net/socket.c:1655 entry_SYSCALL_64_fastpath+0x1f/0xc2 This is because we miss a check for NULL pointer for skb_peek() when the queue is empty. Other places already have the same check. Fixes: c319b4d ("net: ipv4: add IPPROTO_ICMP socket kind") Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dmole
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Feb 18, 2017
[ Upstream commit 73d2c66 ] Andrey reported a kernel crash: general protection fault: 0000 [hardkernel#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 2 PID: 3880 Comm: syz-executor1 Not tainted 4.10.0-rc6+ hardkernel#124 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff880060048040 task.stack: ffff880069be8000 RIP: 0010:ping_v4_push_pending_frames net/ipv4/ping.c:647 [inline] RIP: 0010:ping_v4_sendmsg+0x1acd/0x23f0 net/ipv4/ping.c:837 RSP: 0018:ffff880069bef8b8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff880069befb90 RCX: 0000000000000000 RDX: 0000000000000018 RSI: ffff880069befa30 RDI: 00000000000000c2 RBP: ffff880069befbb8 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff880069befab0 R13: ffff88006c624a80 R14: ffff880069befa70 R15: 0000000000000000 FS: 00007f6f7c716700(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004a6f28 CR3: 000000003a134000 CR4: 00000000000006e0 Call Trace: inet_sendmsg+0x164/0x5b0 net/ipv4/af_inet.c:744 sock_sendmsg_nosec net/socket.c:635 [inline] sock_sendmsg+0xca/0x110 net/socket.c:645 SYSC_sendto+0x660/0x810 net/socket.c:1687 SyS_sendto+0x40/0x50 net/socket.c:1655 entry_SYSCALL_64_fastpath+0x1f/0xc2 This is because we miss a check for NULL pointer for skb_peek() when the queue is empty. Other places already have the same check. Fixes: c319b4d ("net: ipv4: add IPPROTO_ICMP socket kind") Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mdrjr
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Sep 4, 2017
commit 73d2c66 upstream. Andrey reported a kernel crash: general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 2 PID: 3880 Comm: syz-executor1 Not tainted 4.10.0-rc6+ #124 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff880060048040 task.stack: ffff880069be8000 RIP: 0010:ping_v4_push_pending_frames net/ipv4/ping.c:647 [inline] RIP: 0010:ping_v4_sendmsg+0x1acd/0x23f0 net/ipv4/ping.c:837 RSP: 0018:ffff880069bef8b8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff880069befb90 RCX: 0000000000000000 RDX: 0000000000000018 RSI: ffff880069befa30 RDI: 00000000000000c2 RBP: ffff880069befbb8 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff880069befab0 R13: ffff88006c624a80 R14: ffff880069befa70 R15: 0000000000000000 FS: 00007f6f7c716700(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004a6f28 CR3: 000000003a134000 CR4: 00000000000006e0 Call Trace: inet_sendmsg+0x164/0x5b0 net/ipv4/af_inet.c:744 sock_sendmsg_nosec net/socket.c:635 [inline] sock_sendmsg+0xca/0x110 net/socket.c:645 SYSC_sendto+0x660/0x810 net/socket.c:1687 SyS_sendto+0x40/0x50 net/socket.c:1655 entry_SYSCALL_64_fastpath+0x1f/0xc2 This is because we miss a check for NULL pointer for skb_peek() when the queue is empty. Other places already have the same check. Fixes: c319b4d ("net: ipv4: add IPPROTO_ICMP socket kind") Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Willy Tarreau <w@1wt.eu>
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Apr 4, 2018
…on() [ Upstream commit 9f62c15 ] Fix the following slab-out-of-bounds kasan report in ndisc_fill_redirect_hdr_option when the incoming ipv6 packet is not linear and the accessed data are not in the linear data region of orig_skb. [ 1503.122508] ================================================================== [ 1503.122832] BUG: KASAN: slab-out-of-bounds in ndisc_send_redirect+0x94e/0x990 [ 1503.123036] Read of size 1184 at addr ffff8800298ab6b0 by task netperf/1932 [ 1503.123220] CPU: 0 PID: 1932 Comm: netperf Not tainted 4.16.0-rc2+ #124 [ 1503.123347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.10.2-2.fc27 04/01/2014 [ 1503.123527] Call Trace: [ 1503.123579] <IRQ> [ 1503.123638] print_address_description+0x6e/0x280 [ 1503.123849] kasan_report+0x233/0x350 [ 1503.123946] memcpy+0x1f/0x50 [ 1503.124037] ndisc_send_redirect+0x94e/0x990 [ 1503.125150] ip6_forward+0x1242/0x13b0 [...] [ 1503.153890] Allocated by task 1932: [ 1503.153982] kasan_kmalloc+0x9f/0xd0 [ 1503.154074] __kmalloc_track_caller+0xb5/0x160 [ 1503.154198] __kmalloc_reserve.isra.41+0x24/0x70 [ 1503.154324] __alloc_skb+0x130/0x3e0 [ 1503.154415] sctp_packet_transmit+0x21a/0x1810 [ 1503.154533] sctp_outq_flush+0xc14/0x1db0 [ 1503.154624] sctp_do_sm+0x34e/0x2740 [ 1503.154715] sctp_primitive_SEND+0x57/0x70 [ 1503.154807] sctp_sendmsg+0xaa6/0x1b10 [ 1503.154897] sock_sendmsg+0x68/0x80 [ 1503.154987] ___sys_sendmsg+0x431/0x4b0 [ 1503.155078] __sys_sendmsg+0xa4/0x130 [ 1503.155168] do_syscall_64+0x171/0x3f0 [ 1503.155259] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1503.155436] Freed by task 1932: [ 1503.155527] __kasan_slab_free+0x134/0x180 [ 1503.155618] kfree+0xbc/0x180 [ 1503.155709] skb_release_data+0x27f/0x2c0 [ 1503.155800] consume_skb+0x94/0xe0 [ 1503.155889] sctp_chunk_put+0x1aa/0x1f0 [ 1503.155979] sctp_inq_pop+0x2f8/0x6e0 [ 1503.156070] sctp_assoc_bh_rcv+0x6a/0x230 [ 1503.156164] sctp_inq_push+0x117/0x150 [ 1503.156255] sctp_backlog_rcv+0xdf/0x4a0 [ 1503.156346] __release_sock+0x142/0x250 [ 1503.156436] release_sock+0x80/0x180 [ 1503.156526] sctp_sendmsg+0xbb0/0x1b10 [ 1503.156617] sock_sendmsg+0x68/0x80 [ 1503.156708] ___sys_sendmsg+0x431/0x4b0 [ 1503.156799] __sys_sendmsg+0xa4/0x130 [ 1503.156889] do_syscall_64+0x171/0x3f0 [ 1503.156980] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1503.157158] The buggy address belongs to the object at ffff8800298ab600 which belongs to the cache kmalloc-1024 of size 1024 [ 1503.157444] The buggy address is located 176 bytes inside of 1024-byte region [ffff8800298ab600, ffff8800298aba00) [ 1503.157702] The buggy address belongs to the page: [ 1503.157820] page:ffffea0000a62a00 count:1 mapcount:0 mapping:0000000000000000 index:0x0 compound_mapcount: 0 [ 1503.158053] flags: 0x4000000000008100(slab|head) [ 1503.158171] raw: 4000000000008100 0000000000000000 0000000000000000 00000001800e000e [ 1503.158350] raw: dead000000000100 dead000000000200 ffff880036002600 0000000000000000 [ 1503.158523] page dumped because: kasan: bad access detected [ 1503.158698] Memory state around the buggy address: [ 1503.158816] ffff8800298ab900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1503.158988] ffff8800298ab980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1503.159165] >ffff8800298aba00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1503.159338] ^ [ 1503.159436] ffff8800298aba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1503.159610] ffff8800298abb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1503.159785] ================================================================== [ 1503.159964] Disabling lock debugging due to kernel taint The test scenario to trigger the issue consists of 4 devices: - H0: data sender, connected to LAN0 - H1: data receiver, connected to LAN1 - GW0 and GW1: routers between LAN0 and LAN1. Both of them have an ethernet connection on LAN0 and LAN1 On H{0,1} set GW0 as default gateway while on GW0 set GW1 as next hop for data from LAN0 to LAN1. Moreover create an ip6ip6 tunnel between H0 and H1 and send 3 concurrent data streams (TCP/UDP/SCTP) from H0 to H1 through ip6ip6 tunnel (send buffer size is set to 16K). While data streams are active flush the route cache on HA multiple times. I have not been able to identify a given commit that introduced the issue since, using the reproducer described above, the kasan report has been triggered from 4.14 and I have not gone back further. Reported-by: Jianlin Shi <jishi@redhat.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dmole
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Apr 20, 2018
…on() [ Upstream commit 9f62c15 ] Fix the following slab-out-of-bounds kasan report in ndisc_fill_redirect_hdr_option when the incoming ipv6 packet is not linear and the accessed data are not in the linear data region of orig_skb. [ 1503.122508] ================================================================== [ 1503.122832] BUG: KASAN: slab-out-of-bounds in ndisc_send_redirect+0x94e/0x990 [ 1503.123036] Read of size 1184 at addr ffff8800298ab6b0 by task netperf/1932 [ 1503.123220] CPU: 0 PID: 1932 Comm: netperf Not tainted 4.16.0-rc2+ hardkernel#124 [ 1503.123347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.10.2-2.fc27 04/01/2014 [ 1503.123527] Call Trace: [ 1503.123579] <IRQ> [ 1503.123638] print_address_description+0x6e/0x280 [ 1503.123849] kasan_report+0x233/0x350 [ 1503.123946] memcpy+0x1f/0x50 [ 1503.124037] ndisc_send_redirect+0x94e/0x990 [ 1503.125150] ip6_forward+0x1242/0x13b0 [...] [ 1503.153890] Allocated by task 1932: [ 1503.153982] kasan_kmalloc+0x9f/0xd0 [ 1503.154074] __kmalloc_track_caller+0xb5/0x160 [ 1503.154198] __kmalloc_reserve.isra.41+0x24/0x70 [ 1503.154324] __alloc_skb+0x130/0x3e0 [ 1503.154415] sctp_packet_transmit+0x21a/0x1810 [ 1503.154533] sctp_outq_flush+0xc14/0x1db0 [ 1503.154624] sctp_do_sm+0x34e/0x2740 [ 1503.154715] sctp_primitive_SEND+0x57/0x70 [ 1503.154807] sctp_sendmsg+0xaa6/0x1b10 [ 1503.154897] sock_sendmsg+0x68/0x80 [ 1503.154987] ___sys_sendmsg+0x431/0x4b0 [ 1503.155078] __sys_sendmsg+0xa4/0x130 [ 1503.155168] do_syscall_64+0x171/0x3f0 [ 1503.155259] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1503.155436] Freed by task 1932: [ 1503.155527] __kasan_slab_free+0x134/0x180 [ 1503.155618] kfree+0xbc/0x180 [ 1503.155709] skb_release_data+0x27f/0x2c0 [ 1503.155800] consume_skb+0x94/0xe0 [ 1503.155889] sctp_chunk_put+0x1aa/0x1f0 [ 1503.155979] sctp_inq_pop+0x2f8/0x6e0 [ 1503.156070] sctp_assoc_bh_rcv+0x6a/0x230 [ 1503.156164] sctp_inq_push+0x117/0x150 [ 1503.156255] sctp_backlog_rcv+0xdf/0x4a0 [ 1503.156346] __release_sock+0x142/0x250 [ 1503.156436] release_sock+0x80/0x180 [ 1503.156526] sctp_sendmsg+0xbb0/0x1b10 [ 1503.156617] sock_sendmsg+0x68/0x80 [ 1503.156708] ___sys_sendmsg+0x431/0x4b0 [ 1503.156799] __sys_sendmsg+0xa4/0x130 [ 1503.156889] do_syscall_64+0x171/0x3f0 [ 1503.156980] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1503.157158] The buggy address belongs to the object at ffff8800298ab600 which belongs to the cache kmalloc-1024 of size 1024 [ 1503.157444] The buggy address is located 176 bytes inside of 1024-byte region [ffff8800298ab600, ffff8800298aba00) [ 1503.157702] The buggy address belongs to the page: [ 1503.157820] page:ffffea0000a62a00 count:1 mapcount:0 mapping:0000000000000000 index:0x0 compound_mapcount: 0 [ 1503.158053] flags: 0x4000000000008100(slab|head) [ 1503.158171] raw: 4000000000008100 0000000000000000 0000000000000000 00000001800e000e [ 1503.158350] raw: dead000000000100 dead000000000200 ffff880036002600 0000000000000000 [ 1503.158523] page dumped because: kasan: bad access detected [ 1503.158698] Memory state around the buggy address: [ 1503.158816] ffff8800298ab900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1503.158988] ffff8800298ab980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1503.159165] >ffff8800298aba00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1503.159338] ^ [ 1503.159436] ffff8800298aba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1503.159610] ffff8800298abb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1503.159785] ================================================================== [ 1503.159964] Disabling lock debugging due to kernel taint The test scenario to trigger the issue consists of 4 devices: - H0: data sender, connected to LAN0 - H1: data receiver, connected to LAN1 - GW0 and GW1: routers between LAN0 and LAN1. Both of them have an ethernet connection on LAN0 and LAN1 On H{0,1} set GW0 as default gateway while on GW0 set GW1 as next hop for data from LAN0 to LAN1. Moreover create an ip6ip6 tunnel between H0 and H1 and send 3 concurrent data streams (TCP/UDP/SCTP) from H0 to H1 through ip6ip6 tunnel (send buffer size is set to 16K). While data streams are active flush the route cache on HA multiple times. I have not been able to identify a given commit that introduced the issue since, using the reproducer described above, the kasan report has been triggered from 4.14 and I have not gone back further. Reported-by: Jianlin Shi <jishi@redhat.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the following warning at boot when the kernel is booted on a board with more CPU cores than was configured in NR_CPUS: smp_init_cpus: Core Count = 8 smp_init_cpus: Core Id = 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at include/linux/cpumask.h:121 smp_init_cpus+0x54/0x74 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 5.0.0-rc3-00015-g1459333f88a0 hardkernel#124 Call Trace: __warn$part$3+0x6a/0x7c warn_slowpath_null+0x35/0x3c smp_init_cpus+0x54/0x74 setup_arch+0x1c0/0x1d0 start_kernel+0x44/0x310 _startup+0x107/0x107 Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
mdrjr
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Mar 21, 2019
[ Upstream commit 25384ce ] This fixes the following warning at boot when the kernel is booted on a board with more CPU cores than was configured in NR_CPUS: smp_init_cpus: Core Count = 8 smp_init_cpus: Core Id = 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at include/linux/cpumask.h:121 smp_init_cpus+0x54/0x74 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 5.0.0-rc3-00015-g1459333f88a0 #124 Call Trace: __warn$part$3+0x6a/0x7c warn_slowpath_null+0x35/0x3c smp_init_cpus+0x54/0x74 setup_arch+0x1c0/0x1d0 start_kernel+0x44/0x310 _startup+0x107/0x107 Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
mdrjr
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[ Upstream commit 25384ce ] This fixes the following warning at boot when the kernel is booted on a board with more CPU cores than was configured in NR_CPUS: smp_init_cpus: Core Count = 8 smp_init_cpus: Core Id = 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at include/linux/cpumask.h:121 smp_init_cpus+0x54/0x74 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 5.0.0-rc3-00015-g1459333f88a0 #124 Call Trace: __warn$part$3+0x6a/0x7c warn_slowpath_null+0x35/0x3c smp_init_cpus+0x54/0x74 setup_arch+0x1c0/0x1d0 start_kernel+0x44/0x310 _startup+0x107/0x107 Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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bridge module is required by docker for setting up networking. It was
enabled on default in previous kernels, and is used in many
applications.
Signed-off-by: Christian Stewart christian@paral.in