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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7195EC3DA4A for ; Fri, 16 Aug 2024 05:28:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E02A58D0049; Fri, 16 Aug 2024 01:28:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DB1B58D002B; Fri, 16 Aug 2024 01:28:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CA0728D0049; Fri, 16 Aug 2024 01:28:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id AD10A8D002B for ; Fri, 16 Aug 2024 01:28:27 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 1FAAF141612 for ; Fri, 16 Aug 2024 05:28:27 +0000 (UTC) X-FDA: 82456978254.19.9C04BC1 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by imf13.hostedemail.com (Postfix) with ESMTP id 76A7E20003 for ; Fri, 16 Aug 2024 05:28:24 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=none; spf=pass (imf13.hostedemail.com: domain of 3d-O-ZgkbAHYmsteUffYlUjjcX.aiiafYomYlWihnYhn.Wig@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3d-O-ZgkbAHYmsteUffYlUjjcX.aiiafYomYlWihnYhn.Wig@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1723786068; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references; bh=tfkpXZlVfKsNrt8/k0HrMw88NUkmjdtZRZe3QSFlO/8=; b=6oYOerQ5y1RIGKKmZmGhosc03riCK8gDzFtXmuLp2HTJ7OxUtCjgl3LI6ooa8Y8DuQvzgq 0oagP7rbYWVi8ex1JdZgVHY8mIvASmM0Vej9mQF9rx3csF7qC/A9VRR07+AJvWVljhfPDP vOvsTokObZIUeXdaNLsX4Z01EkLQYmM= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=none; spf=pass (imf13.hostedemail.com: domain of 3d-O-ZgkbAHYmsteUffYlUjjcX.aiiafYomYlWihnYhn.Wig@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3d-O-ZgkbAHYmsteUffYlUjjcX.aiiafYomYlWihnYhn.Wig@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1723786068; a=rsa-sha256; cv=none; b=UG67UTL7Suxv0quV+ycmv3z1uJ3cb5g5TIf/BnhbnQUSDKXO0TKe8sqoLayOdtPzvKGr6y vg4lhn6CpZQOHxD+i0tIVxyL3Xfc+1Kh4SijoIKqmfDFbmMZhu549fFzXtJaBn9/NlKT9A z07MhJPVlsvZ4AQ34DOorfcA3Hs7HDw= Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-81f8489097eso165483939f.3 for ; Thu, 15 Aug 2024 22:28:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723786103; x=1724390903; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tfkpXZlVfKsNrt8/k0HrMw88NUkmjdtZRZe3QSFlO/8=; b=gu+JUr/17gSQNuj8ahupgJLj1jXaO8QshvqSABnHtFxiZ5Q7Wu8U8NrdSVKEHDcd0G uc1TJsVM9aDTKYOg8JcZzjjdJUxq0zuI1Ux7i2digvoGzA5wpQn9XKg9poclCra7Z5k4 ATRyUxD6YU00g20eaGJqnZP7I8XDaUvL5yuTomdr/Jw5dLw+d0IVanvVQYJbMQ2rQytI SYEvPbGx4BrMglUV2x8oMVDxj8J2lJVmynDA+kl5bbF4SYV5fZj8f+MIApaBMEP4P25P pEMxivM4R6XnCuHZUZfWTRmEob4NnMQBT3+PydDAkZKoDnHKiJoXTMjPQw/jXPL9Ltz4 ruXw== X-Forwarded-Encrypted: i=1; AJvYcCWUGQYHuD745cnqz/bmOn+QCt5jmA7Y39lTpzepHaDbms6GZES04/qaeoOiwbs760dL+0mWFGJKLiJGLRXh1YRZN0M= X-Gm-Message-State: AOJu0YxcBuekEmiw124wzHtexrNx+Z6o22Zewn/mZ7+XMb6aUA/AgN8V KE3U66iFS25hPM4THRtbMszGZCsaAetIs2x0qHW+ouy2lMwJuqByAh9Pp1Dh9BZhGPTkxFbg5n9 SYVZXqJ7KHuTdLntir+jZdXyM8Mu+FZHNi3did+XPR+Hst15fahkqegU= X-Google-Smtp-Source: AGHT+IFDit4P1gn68jUFHJU8L/e0XDfRjKECL8Eymwd2Zih5i4hexN6I8PdniqWcH8VorCrA5LmLAz4ovwjwLINinB+ct9CBe7hn MIME-Version: 1.0 X-Received: by 2002:a05:6638:8416:b0:4c0:9380:a262 with SMTP id 8926c6da1cb9f-4cce15bec24mr88570173.1.1723786103417; Thu, 15 Aug 2024 22:28:23 -0700 (PDT) Date: Thu, 15 Aug 2024 22:28:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005cff41061fc63a83@google.com> Subject: [syzbot] [cgroups?] [mm?] kernel BUG in swap_cgroup_record From: syzbot To: akpm@linux-foundation.org, cgroups@vger.kernel.org, david@redhat.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, muchun.song@linux.dev, roman.gushchin@linux.dev, shakeel.butt@linux.dev, syzkaller-bugs@googlegroups.com, v-songbaohua@oppo.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 76A7E20003 X-Stat-Signature: pighmnpm636wh4o4dhj4kxrh1kxjdr7f X-HE-Tag: 1723786104-557179 X-HE-Meta: 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 aSY8ueZS 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 gIrlvrtC wLoWJd0vwwYzbIHAlZplZwS61J78bRbcck6XUZUW9MsgJm8iWUqHViSOASFjia7eY/tikR6ndR1rN0BeKP7g+LjjVhyUdJCCHW+EG7H8mAzrx+WPOWR+eBpv3YqP4gN+8+mYpKzb5GSmFHvd9Z8PwpdvQn/LE+Z8ftoYFVfqWJOCJI2gX+irOD9yM2ELbWAk/ZioRFA0L3RSeUBG58NkH9rutiwjqLs77F7c4l0jOtLSG0t8cFpdMRBjlax8w+ruCYonWgPUa1FUZ70+2oYRseEdDOY69ec23Z6u0AyLx7mIKY0BGZjXvZNdUlUuJbo/OTSJMjvTv8TVqKHJJ+qX/JkWcyWlAJ58zzo1i++1oHAv0BGqDGTR3yf/aJHTwn5+fHO32E3b17YaCbH2vnJDIw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 9e6869691724 Add linux-next specific files for 20240812 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=14c97e83980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61ba6f3b22ee5467 dashboard link: https://syzkaller.appspot.com/bug?extid=4745e725b07d34503a64 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10cf435d980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f1b086192f50/disk-9e686969.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b457920fb52e/vmlinux-9e686969.xz kernel image: https://storage.googleapis.com/syzbot-assets/e63ba9cce98a/bzImage-9e686969.xz The issue was bisected to: commit d65aea610f0a14cda5ec56a154c724584ef7da17 Author: Barry Song Date: Wed Aug 7 21:58:59 2024 +0000 mm: attempt to batch free swap entries for zap_pte_range() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1493ea91980000 final oops: https://syzkaller.appspot.com/x/report.txt?x=1693ea91980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1293ea91980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4745e725b07d34503a64@syzkaller.appspotmail.com Fixes: d65aea610f0a ("mm: attempt to batch free swap entries for zap_pte_range()") ------------[ cut here ]------------ kernel BUG at mm/swap_cgroup.c:141! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5371 Comm: syz.0.15 Not tainted 6.11.0-rc3-next-20240812-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:swap_cgroup_record+0x2cd/0x2d0 mm/swap_cgroup.c:141 Code: e7 e8 a7 c9 f6 ff e9 64 fe ff ff e8 cd 41 8e ff 48 c7 c7 c0 db a5 8e 48 89 de e8 2e 8c e8 02 e9 7a fd ff ff e8 b4 41 8e ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f RSP: 0018:ffffc90003e172f8 EFLAGS: 00010093 RAX: ffffffff82054c9c RBX: 000000000000000b RCX: ffff88802298bc00 RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff82054b43 R09: fffff520007c2e3c R10: dffffc0000000000 R11: fffff520007c2e3c R12: ffff88801cf0f014 R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9332107a8c CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_uncharge_swap+0x84/0x2e0 mm/memcontrol.c:5118 mem_cgroup_uncharge_swap include/linux/swap.h:668 [inline] swap_entry_range_free+0x45f/0x1120 mm/swapfile.c:1556 __swap_entries_free mm/swapfile.c:1518 [inline] free_swap_and_cache_nr+0xa65/0xae0 mm/swapfile.c:1876 zap_pte_range mm/memory.c:1653 [inline] zap_pmd_range mm/memory.c:1736 [inline] zap_pud_range mm/memory.c:1765 [inline] zap_p4d_range mm/memory.c:1786 [inline] unmap_page_range+0x1924/0x42c0 mm/memory.c:1807 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1897 exit_mmap+0x267/0xc20 mm/mmap.c:1923 __mmput+0x115/0x390 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9331f779f9 Code: Unable to access opcode bytes at 0x7f9331f779cf. RSP: 002b:00007fff65ce5d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9331f779f9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00007fff65ce5dff R09: 00007f93320d0260 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f93320d0f68 R13: 00007f93320d0260 R14: 0000000000000003 R15: 00007fff65ce5dc0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:swap_cgroup_record+0x2cd/0x2d0 mm/swap_cgroup.c:141 Code: e7 e8 a7 c9 f6 ff e9 64 fe ff ff e8 cd 41 8e ff 48 c7 c7 c0 db a5 8e 48 89 de e8 2e 8c e8 02 e9 7a fd ff ff e8 b4 41 8e ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f RSP: 0018:ffffc90003e172f8 EFLAGS: 00010093 RAX: ffffffff82054c9c RBX: 000000000000000b RCX: ffff88802298bc00 RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff82054b43 R09: fffff520007c2e3c R10: dffffc0000000000 R11: fffff520007c2e3c R12: ffff88801cf0f014 R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9332107a8c CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report 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 issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup