From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 222A7C2D0C3 for ; Mon, 16 Dec 2019 18:55:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA9FD21582 for ; Mon, 16 Dec 2019 18:55:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727510AbfLPSzN (ORCPT ); Mon, 16 Dec 2019 13:55:13 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:42388 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id 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X-Received: by 2002:a92:1699:: with SMTP id 25mr2541404ilw.234.1576522509519; Mon, 16 Dec 2019 10:55:09 -0800 (PST) Date: Mon, 16 Dec 2019 10:55:09 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000292dd60599d6c001@google.com> Subject: memory leak in _sctp_make_chunk From: syzbot To: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 07c4b9e9 Merge tag 'scsi-fixes' of git://git.kernel.org/pu.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13b03f96e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=bbf3a35184a3ed64 dashboard link: https://syzkaller.appspot.com/bug?extid=107c4aff5f392bf1517f compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=144935a6e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=176c2361e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+107c4aff5f392bf1517f@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 29.950s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 29.950s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 29.950s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.020s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.020s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.020s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.090s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.090s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.090s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.160s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.160s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.160s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.230s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.230s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.230s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.300s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.300s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.300s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.370s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.370s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.370s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111bd0700 (size 224): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.440s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 c0 4c 53 11 81 88 ff ff .........LS..... backtrace: [<00000000912cc8e3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000912cc8e3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000912cc8e3>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000912cc8e3>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<0000000010c4e31e>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111eabc00 (size 512): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.440s) hex dump (first 32 bytes): 07 00 00 08 3c 2d 00 1e 2b 00 00 00 31 31 3a 30 ....<-..+...11:0 39 3a 32 36 23 20 70 72 6f 66 69 6c 65 3d 30 20 9:26# profile=0 backtrace: [<00000000f3daff16>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000f3daff16>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000f3daff16>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000f3daff16>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<000000001eece319>] __do_kmalloc_node mm/slab.c:3615 [inline] [<000000001eece319>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<00000000c6ac598b>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<00000000879c0222>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<00000000c69717ec>] alloc_skb include/linux/skbuff.h:1049 [inline] [<00000000c69717ec>] _sctp_make_chunk+0x51/0x120 net/sctp/sm_make_chunk.c:1394 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 BUG: memory leak unreferenced object 0xffff888111b9f700 (size 256): comm "syz-executor974", pid 7118, jiffies 4294954926 (age 30.440s) hex dump (first 32 bytes): 00 f7 b9 11 81 88 ff ff 00 f7 b9 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 18 f7 b9 11 81 88 ff ff ................ backtrace: [<000000005dbe2b50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000005dbe2b50>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000005dbe2b50>] slab_alloc mm/slab.c:3320 [inline] [<000000005dbe2b50>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3484 [<000000001d5acae3>] kmem_cache_zalloc include/linux/slab.h:660 [inline] [<000000001d5acae3>] sctp_chunkify+0x2c/0xa0 net/sctp/sm_make_chunk.c:1332 [<00000000ada5bf03>] _sctp_make_chunk+0xb0/0x120 net/sctp/sm_make_chunk.c:1405 [<0000000098c40eef>] sctp_make_control net/sctp/sm_make_chunk.c:1441 [inline] [<0000000098c40eef>] sctp_make_shutdown+0x4c/0xc0 net/sctp/sm_make_chunk.c:864 [<0000000019ed61c1>] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1435 [inline] [<0000000019ed61c1>] sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline] [<0000000019ed61c1>] sctp_do_sm+0xf4f/0x1da0 net/sctp/sm_sideeffect.c:1160 [<00000000c34b32c2>] sctp_assoc_bh_rcv+0x166/0x250 net/sctp/associola.c:1045 [<00000000fdcbee1b>] sctp_inq_push+0x7f/0xb0 net/sctp/inqueue.c:80 [<000000002b119f75>] sctp_backlog_rcv+0x84/0x3d0 net/sctp/input.c:344 [<00000000ad5696f2>] sk_backlog_rcv include/net/sock.h:949 [inline] [<00000000ad5696f2>] __release_sock+0xab/0x110 net/core/sock.c:2437 [<00000000a7bc65ae>] release_sock+0x37/0xd0 net/core/sock.c:2953 [<00000000c411aefa>] inet_shutdown+0xa8/0x150 net/ipv4/af_inet.c:898 [<00000000b8775f62>] __sys_shutdown+0x68/0xb0 net/socket.c:2193 [<000000003f1a0d0e>] __do_sys_shutdown net/socket.c:2201 [inline] [<000000003f1a0d0e>] __se_sys_shutdown net/socket.c:2199 [inline] [<000000003f1a0d0e>] __x64_sys_shutdown+0x1a/0x20 net/socket.c:2199 [<000000007a408433>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000017fd31b8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches