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treewide: replace '---help---' in Kconfig files with 'help' Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over '---help---'"), the number of '---help---' has been gradually decreasing, but there are still more than 2400 instances. This commit finishes the conversion. While I touched the lines, I also fixed the indentation. There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---' In order to convert all of them to 1 tab + 'help', I ran the following commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 5 年前 | |
treewide: Add SPDX license identifier - Makefile/Kconfig Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 6 年前 | |
net/ncsi: Fix netlink major/minor version numbers stable inclusion from stable-v5.10.209 commit 01f9feb5edc5e8ac641b4875b76abbbcc912df07 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9U3NW Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=01f9feb5edc5e8ac641b4875b76abbbcc912df07 -------------------------------- [ Upstream commit 3084b58bfd0b9e4b5e034f31f31b42977db35f12 ] The netlink interface for major and minor version numbers doesn't actually return the major and minor version numbers. It reports a u32 that contains the (major, minor, update, alpha1) components as the major version number, and then alpha2 as the minor version number. For whatever reason, the u32 byte order was reversed (ntohl): maybe it was assumed that the encoded value was a single big-endian u32, and alpha2 was the minor version. The correct way to get the supported NC-SI version from the network controller is to parse the Get Version ID response as described in 8.4.44 of the NC-SI spec[1]. Get Version ID Response Packet Format Bits +--------+--------+--------+--------+ Bytes | 31..24 | 23..16 | 15..8 | 7..0 | +-------+--------+--------+--------+--------+ | 0..15 | NC-SI Header | +-------+--------+--------+--------+--------+ | 16..19| Response code | Reason code | +-------+--------+--------+--------+--------+ |20..23 | Major | Minor | Update | Alpha1 | +-------+--------+--------+--------+--------+ |24..27 | reserved | Alpha2 | +-------+--------+--------+--------+--------+ | .... other stuff .... | The major, minor, and update fields are all binary-coded decimal (BCD) encoded [2]. The spec provides examples below the Get Version ID response format in section 8.4.44.1, but for practical purposes, this is an example from a live network card: root@bmc:~# ncsi-util 0x15 NC-SI Command Response: cmd: GET_VERSION_ID(0x15) Response: COMMAND_COMPLETED(0x0000) Reason: NO_ERROR(0x0000) Payload length = 40 20: 0xf1 0xf1 0xf0 0x00 <<<<<<<<< (major, minor, update, alpha1) 24: 0x00 0x00 0x00 0x00 <<<<<<<<< (_, _, _, alpha2) 28: 0x6d 0x6c 0x78 0x30 32: 0x2e 0x31 0x00 0x00 36: 0x00 0x00 0x00 0x00 40: 0x16 0x1d 0x07 0xd2 44: 0x10 0x1d 0x15 0xb3 48: 0x00 0x17 0x15 0xb3 52: 0x00 0x00 0x81 0x19 This should be parsed as "1.1.0". "f" in the upper-nibble means to ignore it, contributing zero. If both nibbles are "f", I think the whole field is supposed to be ignored. Major and minor are "required", meaning they're not supposed to be "ff", but the update field is "optional" so I think it can be ff. I think the simplest thing to do is just set the major and minor to zero instead of juggling some conditional logic or something. bcd2bin() from "include/linux/bcd.h" seems to assume both nibbles are 0-9, so I've provided a custom BCD decoding function. Alpha1 and alpha2 are ISO/IEC 8859-1 encoded, which just means ASCII characters as far as I can tell, although the full encoding table for non-alphabetic characters is slightly different (I think). I imagine the alpha fields are just supposed to be alphabetic characters, but I haven't seen any network cards actually report a non-zero value for either. If people wrote software against this netlink behavior, and were parsing the major and minor versions themselves from the u32, then this would definitely break their code. [1] https://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.0.0.pdf [2] https://en.wikipedia.org/wiki/Binary-coded_decimal [2] https://en.wikipedia.org/wiki/ISO/IEC_8859-1 Signed-off-by: Peter Delevoryas <peter@pjd.dev> Fixes: 138635cc27c9 ("net/ncsi: NCSI response packet handler") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 2 年前 | |
Revert ncsi: Propagate carrier gain/loss events to the NCSI controller stable inclusion from stable-v5.10.202 commit a011391f019ccf8aca0df3a0b90055ac814f6a91 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9DZOS Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a011391f019ccf8aca0df3a0b90055ac814f6a91 -------------------------------- commit 9e2e7efbbbff69d8340abb56d375dd79d1f5770f upstream. This reverts commit 3780bb29311eccb7a1c9641032a112eed237f7e3. The cited commit introduced unwanted behavior. The intent for the commit was to be able to detect carrier loss/gain for just the NIC connected to the BMC. The unwanted effect is a carrier loss for auxiliary paths also causes the BMC to lose carrier. The BMC never regains carrier despite the secondary NIC regaining a link. This change, when merged, needs to be backported to stable kernels. 5.4-stable, 5.10-stable, 5.15-stable, 6.1-stable, 6.5-stable Fixes: 3780bb29311e ("ncsi: Propagate carrier gain/loss events to the NCSI controller") CC: stable@vger.kernel.org Signed-off-by: Johnathan Mantey <johnathanx.mantey@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: sanglipeng <sanglipeng1@jd.com> | 2 年前 | |
net/ncsi : Add payload to be 32-bit aligned to fix dropped packets stable inclusion from stable-v5.10.83 commit 440bd9faad298c3cb31dcc6713070dc718769d47 bugzilla: 185879 https://gitee.com/openeuler/kernel/issues/I4QUVG Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=440bd9faad298c3cb31dcc6713070dc718769d47 -------------------------------- [ Upstream commit ac132852147ad303a938dda318970dd1bbdfda4e ] Update NC-SI command handler (both standard and OEM) to take into account of payload paddings in allocating skb (in case of payload size is not 32-bit aligned). The checksum field follows payload field, without taking payload padding into account can cause checksum being truncated, leading to dropped packets. Fixes: fb4ee67529ff ("net/ncsi: Add NCSI OEM command support") Signed-off-by: Kumar Thangavel <thangavel.k@hcl.com> Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> | 4 年前 | |
net/ncsi: Disable the ncsi work before freeing the associated structure mainline inclusion from mainline-v6.12-rc2 commit a0ffa68c70b367358b2672cdab6fa5bc4c40de2c category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYRA5 CVE: CVE-2024-49945 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0ffa68c70b367358b2672cdab6fa5bc4c40de2c -------------------------------- The work function can run after the ncsi device is freed, resulting in use-after-free bugs or kernel panic. Fixes: 2d283bdd079c ("net/ncsi: Resource management") Signed-off-by: Eddie James <eajames@linux.ibm.com> Link: https://patch.msgid.link/20240925155523.1017097-1-eajames@linux.ibm.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Conflicts: net/ncsi/ncsi-manage.c [commit 86898fa6b8cd ("workqueue: Implement disable/enable for (delayed) work items") not merged] Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> | 1 年前 | |
net/ncsi: Fix netlink major/minor version numbers stable inclusion from stable-v5.10.209 commit 01f9feb5edc5e8ac641b4875b76abbbcc912df07 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9U3NW Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=01f9feb5edc5e8ac641b4875b76abbbcc912df07 -------------------------------- [ Upstream commit 3084b58bfd0b9e4b5e034f31f31b42977db35f12 ] The netlink interface for major and minor version numbers doesn't actually return the major and minor version numbers. It reports a u32 that contains the (major, minor, update, alpha1) components as the major version number, and then alpha2 as the minor version number. For whatever reason, the u32 byte order was reversed (ntohl): maybe it was assumed that the encoded value was a single big-endian u32, and alpha2 was the minor version. The correct way to get the supported NC-SI version from the network controller is to parse the Get Version ID response as described in 8.4.44 of the NC-SI spec[1]. Get Version ID Response Packet Format Bits +--------+--------+--------+--------+ Bytes | 31..24 | 23..16 | 15..8 | 7..0 | +-------+--------+--------+--------+--------+ | 0..15 | NC-SI Header | +-------+--------+--------+--------+--------+ | 16..19| Response code | Reason code | +-------+--------+--------+--------+--------+ |20..23 | Major | Minor | Update | Alpha1 | +-------+--------+--------+--------+--------+ |24..27 | reserved | Alpha2 | +-------+--------+--------+--------+--------+ | .... other stuff .... | The major, minor, and update fields are all binary-coded decimal (BCD) encoded [2]. The spec provides examples below the Get Version ID response format in section 8.4.44.1, but for practical purposes, this is an example from a live network card: root@bmc:~# ncsi-util 0x15 NC-SI Command Response: cmd: GET_VERSION_ID(0x15) Response: COMMAND_COMPLETED(0x0000) Reason: NO_ERROR(0x0000) Payload length = 40 20: 0xf1 0xf1 0xf0 0x00 <<<<<<<<< (major, minor, update, alpha1) 24: 0x00 0x00 0x00 0x00 <<<<<<<<< (_, _, _, alpha2) 28: 0x6d 0x6c 0x78 0x30 32: 0x2e 0x31 0x00 0x00 36: 0x00 0x00 0x00 0x00 40: 0x16 0x1d 0x07 0xd2 44: 0x10 0x1d 0x15 0xb3 48: 0x00 0x17 0x15 0xb3 52: 0x00 0x00 0x81 0x19 This should be parsed as "1.1.0". "f" in the upper-nibble means to ignore it, contributing zero. If both nibbles are "f", I think the whole field is supposed to be ignored. Major and minor are "required", meaning they're not supposed to be "ff", but the update field is "optional" so I think it can be ff. I think the simplest thing to do is just set the major and minor to zero instead of juggling some conditional logic or something. bcd2bin() from "include/linux/bcd.h" seems to assume both nibbles are 0-9, so I've provided a custom BCD decoding function. Alpha1 and alpha2 are ISO/IEC 8859-1 encoded, which just means ASCII characters as far as I can tell, although the full encoding table for non-alphabetic characters is slightly different (I think). I imagine the alpha fields are just supposed to be alphabetic characters, but I haven't seen any network cards actually report a non-zero value for either. If people wrote software against this netlink behavior, and were parsing the major and minor versions themselves from the u32, then this would definitely break their code. [1] https://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.0.0.pdf [2] https://en.wikipedia.org/wiki/Binary-coded_decimal [2] https://en.wikipedia.org/wiki/ISO/IEC_8859-1 Signed-off-by: Peter Delevoryas <peter@pjd.dev> Fixes: 138635cc27c9 ("net/ncsi: NCSI response packet handler") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 2 年前 | |
net/ncsi: Fix netlink registration If a user unbinds and re-binds a NC-SI aware driver the kernel will attempt to register the netlink interface at runtime. The structure is marked __ro_after_init so registration fails spectacularly at this point. # echo 1e660000.ethernet > /sys/bus/platform/drivers/ftgmac100/unbind # echo 1e660000.ethernet > /sys/bus/platform/drivers/ftgmac100/bind ftgmac100 1e660000.ethernet: Read MAC address 52:54:00:12:34:56 from chip ftgmac100 1e660000.ethernet: Using NCSI interface 8<--- cut here --- Unable to handle kernel paging request at virtual address 80a8f858 pgd = 8c768dd6 [80a8f858] *pgd=80a0841e(bad) Internal error: Oops: 80d [#1] SMP ARM CPU: 0 PID: 116 Comm: sh Not tainted 5.10.0-rc3-next-20201111-00003-gdd25b227ec1e #51 Hardware name: Generic DT based system PC is at genl_register_family+0x1f8/0x6d4 LR is at 0xff26ffff pc : [<8073f930>] lr : [<ff26ffff>] psr: 20000153 sp : 8553bc80 ip : 81406244 fp : 8553bd04 r10: 8085d12c r9 : 80a8f73c r8 : 85739000 r7 : 00000017 r6 : 80a8f860 r5 : 80c8ab98 r4 : 80a8f858 r3 : 00000000 r2 : 00000000 r1 : 81406130 r0 : 00000017 Flags: nzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none Control: 00c5387d Table: 85524008 DAC: 00000051 Process sh (pid: 116, stack limit = 0x1f1988d6) ... Backtrace: [<8073f738>] (genl_register_family) from [<80860ac0>] (ncsi_init_netlink+0x20/0x48) r10:8085d12c r9:80c8fb0c r8:85739000 r7:00000000 r6:81218000 r5:85739000 r4:8121c000 [<80860aa0>] (ncsi_init_netlink) from [<8085d740>] (ncsi_register_dev+0x1b0/0x210) r5:8121c400 r4:8121c000 [<8085d590>] (ncsi_register_dev) from [<805a8060>] (ftgmac100_probe+0x6e0/0x778) r10:00000004 r9:80950228 r8:8115bc10 r7:8115ab00 r6:9eae2c24 r5:813b6f88 r4:85739000 [<805a7980>] (ftgmac100_probe) from [<805355ec>] (platform_drv_probe+0x58/0xa8) r9:80c76bb0 r8:00000000 r7:80cd4974 r6:80c76bb0 r5:8115bc10 r4:00000000 [<80535594>] (platform_drv_probe) from [<80532d58>] (really_probe+0x204/0x514) r7:80cd4974 r6:00000000 r5:80cd4868 r4:8115bc10 Jakub pointed out that ncsi_register_dev is obviously broken, because there is only one family so it would never work if there was more than one ncsi netdev. Fix the crash by registering the netlink family once on boot, and drop the code to unregister it. Fixes: 955dc68cb9b2 ("net/ncsi: Add generic netlink family") Signed-off-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> Link: https://lore.kernel.org/r/20201112061210.914621-1-joel@jms.id.au Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 5 年前 | |
net/ncsi: Fix netlink major/minor version numbers stable inclusion from stable-v5.10.209 commit 01f9feb5edc5e8ac641b4875b76abbbcc912df07 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9U3NW Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=01f9feb5edc5e8ac641b4875b76abbbcc912df07 -------------------------------- [ Upstream commit 3084b58bfd0b9e4b5e034f31f31b42977db35f12 ] The netlink interface for major and minor version numbers doesn't actually return the major and minor version numbers. It reports a u32 that contains the (major, minor, update, alpha1) components as the major version number, and then alpha2 as the minor version number. For whatever reason, the u32 byte order was reversed (ntohl): maybe it was assumed that the encoded value was a single big-endian u32, and alpha2 was the minor version. The correct way to get the supported NC-SI version from the network controller is to parse the Get Version ID response as described in 8.4.44 of the NC-SI spec[1]. Get Version ID Response Packet Format Bits +--------+--------+--------+--------+ Bytes | 31..24 | 23..16 | 15..8 | 7..0 | +-------+--------+--------+--------+--------+ | 0..15 | NC-SI Header | +-------+--------+--------+--------+--------+ | 16..19| Response code | Reason code | +-------+--------+--------+--------+--------+ |20..23 | Major | Minor | Update | Alpha1 | +-------+--------+--------+--------+--------+ |24..27 | reserved | Alpha2 | +-------+--------+--------+--------+--------+ | .... other stuff .... | The major, minor, and update fields are all binary-coded decimal (BCD) encoded [2]. The spec provides examples below the Get Version ID response format in section 8.4.44.1, but for practical purposes, this is an example from a live network card: root@bmc:~# ncsi-util 0x15 NC-SI Command Response: cmd: GET_VERSION_ID(0x15) Response: COMMAND_COMPLETED(0x0000) Reason: NO_ERROR(0x0000) Payload length = 40 20: 0xf1 0xf1 0xf0 0x00 <<<<<<<<< (major, minor, update, alpha1) 24: 0x00 0x00 0x00 0x00 <<<<<<<<< (_, _, _, alpha2) 28: 0x6d 0x6c 0x78 0x30 32: 0x2e 0x31 0x00 0x00 36: 0x00 0x00 0x00 0x00 40: 0x16 0x1d 0x07 0xd2 44: 0x10 0x1d 0x15 0xb3 48: 0x00 0x17 0x15 0xb3 52: 0x00 0x00 0x81 0x19 This should be parsed as "1.1.0". "f" in the upper-nibble means to ignore it, contributing zero. If both nibbles are "f", I think the whole field is supposed to be ignored. Major and minor are "required", meaning they're not supposed to be "ff", but the update field is "optional" so I think it can be ff. I think the simplest thing to do is just set the major and minor to zero instead of juggling some conditional logic or something. bcd2bin() from "include/linux/bcd.h" seems to assume both nibbles are 0-9, so I've provided a custom BCD decoding function. Alpha1 and alpha2 are ISO/IEC 8859-1 encoded, which just means ASCII characters as far as I can tell, although the full encoding table for non-alphabetic characters is slightly different (I think). I imagine the alpha fields are just supposed to be alphabetic characters, but I haven't seen any network cards actually report a non-zero value for either. If people wrote software against this netlink behavior, and were parsing the major and minor versions themselves from the u32, then this would definitely break their code. [1] https://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.0.0.pdf [2] https://en.wikipedia.org/wiki/Binary-coded_decimal [2] https://en.wikipedia.org/wiki/ISO/IEC_8859-1 Signed-off-by: Peter Delevoryas <peter@pjd.dev> Fixes: 138635cc27c9 ("net/ncsi: NCSI response packet handler") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 2 年前 | |
net/ncsi: Fix netlink major/minor version numbers stable inclusion from stable-v5.10.209 commit 01f9feb5edc5e8ac641b4875b76abbbcc912df07 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9U3NW Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=01f9feb5edc5e8ac641b4875b76abbbcc912df07 -------------------------------- [ Upstream commit 3084b58bfd0b9e4b5e034f31f31b42977db35f12 ] The netlink interface for major and minor version numbers doesn't actually return the major and minor version numbers. It reports a u32 that contains the (major, minor, update, alpha1) components as the major version number, and then alpha2 as the minor version number. For whatever reason, the u32 byte order was reversed (ntohl): maybe it was assumed that the encoded value was a single big-endian u32, and alpha2 was the minor version. The correct way to get the supported NC-SI version from the network controller is to parse the Get Version ID response as described in 8.4.44 of the NC-SI spec[1]. Get Version ID Response Packet Format Bits +--------+--------+--------+--------+ Bytes | 31..24 | 23..16 | 15..8 | 7..0 | +-------+--------+--------+--------+--------+ | 0..15 | NC-SI Header | +-------+--------+--------+--------+--------+ | 16..19| Response code | Reason code | +-------+--------+--------+--------+--------+ |20..23 | Major | Minor | Update | Alpha1 | +-------+--------+--------+--------+--------+ |24..27 | reserved | Alpha2 | +-------+--------+--------+--------+--------+ | .... other stuff .... | The major, minor, and update fields are all binary-coded decimal (BCD) encoded [2]. The spec provides examples below the Get Version ID response format in section 8.4.44.1, but for practical purposes, this is an example from a live network card: root@bmc:~# ncsi-util 0x15 NC-SI Command Response: cmd: GET_VERSION_ID(0x15) Response: COMMAND_COMPLETED(0x0000) Reason: NO_ERROR(0x0000) Payload length = 40 20: 0xf1 0xf1 0xf0 0x00 <<<<<<<<< (major, minor, update, alpha1) 24: 0x00 0x00 0x00 0x00 <<<<<<<<< (_, _, _, alpha2) 28: 0x6d 0x6c 0x78 0x30 32: 0x2e 0x31 0x00 0x00 36: 0x00 0x00 0x00 0x00 40: 0x16 0x1d 0x07 0xd2 44: 0x10 0x1d 0x15 0xb3 48: 0x00 0x17 0x15 0xb3 52: 0x00 0x00 0x81 0x19 This should be parsed as "1.1.0". "f" in the upper-nibble means to ignore it, contributing zero. If both nibbles are "f", I think the whole field is supposed to be ignored. Major and minor are "required", meaning they're not supposed to be "ff", but the update field is "optional" so I think it can be ff. I think the simplest thing to do is just set the major and minor to zero instead of juggling some conditional logic or something. bcd2bin() from "include/linux/bcd.h" seems to assume both nibbles are 0-9, so I've provided a custom BCD decoding function. Alpha1 and alpha2 are ISO/IEC 8859-1 encoded, which just means ASCII characters as far as I can tell, although the full encoding table for non-alphabetic characters is slightly different (I think). I imagine the alpha fields are just supposed to be alphabetic characters, but I haven't seen any network cards actually report a non-zero value for either. If people wrote software against this netlink behavior, and were parsing the major and minor versions themselves from the u32, then this would definitely break their code. [1] https://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.0.0.pdf [2] https://en.wikipedia.org/wiki/Binary-coded_decimal [2] https://en.wikipedia.org/wiki/ISO/IEC_8859-1 Signed-off-by: Peter Delevoryas <peter@pjd.dev> Fixes: 138635cc27c9 ("net/ncsi: NCSI response packet handler") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 2 年前 |
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