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 6AE7FC47422 for ; Fri, 26 Jan 2024 17:03:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 00D506B0083; Fri, 26 Jan 2024 12:03:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F00736B0095; Fri, 26 Jan 2024 12:03:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DC7896B0098; Fri, 26 Jan 2024 12:03:47 -0500 (EST) 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 C63046B0083 for ; Fri, 26 Jan 2024 12:03:47 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 81EF0C0F5C for ; Fri, 26 Jan 2024 17:03:47 +0000 (UTC) X-FDA: 81722084094.27.09DAED4 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by imf04.hostedemail.com (Postfix) with ESMTP id DAAA940021 for ; Fri, 26 Jan 2024 17:03:44 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=none; spf=pass (imf04.hostedemail.com: domain of 37-WzZQkbAL4w23oeppivettmh.ksskpiywivgsrxirx.gsq@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.69 as permitted sender) smtp.mailfrom=37-WzZQkbAL4w23oeppivettmh.ksskpiywivgsrxirx.gsq@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=1706288624; 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=IbuS6iDKomx2eTaC6CYYzJMQavSAmq9nmQbi/dTbIw4=; b=Jhe2+qw9QTgh6H1yF1PJ24tPh6BzruGzyRAtGVu/QuKj2b0TIMaaTa4w8Jp8Q5S1EgL90b OzK0atS7UPs9QMQqvLRLMFFMDQ+HuXrnpftax7jdNGLcpwfTDgOaNYIRsr5BGZHO73HEOo 96xqFMaYYzH9kwwmCf8conp4ucIbvgg= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1706288624; a=rsa-sha256; cv=none; b=f6OdHuxsff+YbqFQDLkyL/c/6LRh7XbrnLOpDc95WRVg0EkeKhrTWGDeCAmoJaPb5/ttGF cpnbMib/u3f0HXlyFE6QlE9RDpCa7Txrnvx6+O1A0dHcs2VdPX1PWKocTJ4fIlBu3Jo4i+ Kgm8XcQbNu0RLLY7gE6cN3FlGj15LLk= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=none; spf=pass (imf04.hostedemail.com: domain of 37-WzZQkbAL4w23oeppivettmh.ksskpiywivgsrxirx.gsq@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.69 as permitted sender) smtp.mailfrom=37-WzZQkbAL4w23oeppivettmh.ksskpiywivgsrxirx.gsq@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-7bfc88d360eso34598639f.2 for ; Fri, 26 Jan 2024 09:03:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706288624; x=1706893424; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=IbuS6iDKomx2eTaC6CYYzJMQavSAmq9nmQbi/dTbIw4=; b=Z1gu26JeERtByXT/AiqDZWtAZOdsgG8CJSv2CK5/1qEUJ49EwH6YPGiDOiuhMm6w00 kGFWgHJZGlrSwFhZGWg1hyHz461s5EbPlll5rTP2b07KB8PK3xafIIBB3v6urXOaPACt sk01PIx9UuBejM4NqmC0mwIyTcHXfy3aiLn37dVgZqS5r0YfxEuKnEJwni0nFXl5LTsZ 5WXM45+6jZE8jSRHUVpsbAgWHyz2pGJ8ZYx2k4Y3lU/3i5yjDc/aqBgg6Sh3NOiBAP5K bVRzyJvRC191toOnRhAOsBGFYMA+xmQbOl7PDttHvQxYzXaIh17ScuTH3n7hzMy1KaRA d16A== X-Gm-Message-State: AOJu0Yw1LUOkfIVYU58Vc08GZbg0mdtXu/c65k2U3f09ta43PYvrz6kX v9r6e6tjolmgieZTsUWDMRf3xJff/f3SvE6BYIuOUadq88p5e1422ElrHh/zme8gBiNK7I8geoR nBKptlC1dMmjZQ4BaS5lvvrOamPzWmyF/pMHiKzBNNObb2oBEHGxBYMQ= X-Google-Smtp-Source: AGHT+IH28TS6pIcoKl5j9sPON6/cuvuVNyorbxvL7zrKR2odpGUYagrRyGbfVMpAjxBgz6aqQM3cgEQindSpHGVg0Aw+pdPv99r6 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1526:b0:360:d7:186b with SMTP id i6-20020a056e02152600b0036000d7186bmr4933ilu.0.1706288623950; Fri, 26 Jan 2024 09:03:43 -0800 (PST) Date: Fri, 26 Jan 2024 09:03:43 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000050a2fb060fdc478c@google.com> Subject: [syzbot] [mm?] kernel BUG in resv_map_release From: syzbot To: akpm@linux-foundation.org, leitao@debian.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: DAAA940021 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: 93om95tdsb7w1fa3ttyjnxs485i4nwhi X-HE-Tag: 1706288624-649614 X-HE-Meta: U2FsdGVkX1/ytk5+V5DuQf39NUWTdPZFHVrrcYwY/HcccQL47A+ZBd6mP109O2F0X5hIbKivWNTCXqMP8LoIKo//bTWMfUswugljy8aR/aTQoWwmwMJJSHUQ/v5+H2t5oNFaF818QRyHlnxO1CFIertDHvvzYevECLHSLXw5QtshX9avpp+tT2q/GsUrW1mCZ8MI50gfoyaDIpWzj/viNpnN2asr6mgry7Yza0SoEdQ6nhzB9sMVGFroFiFxCVHXvXkOxboonsYbTwD/UV8eJsx3SGqckW8vMsDGQ9/g0v0S2c73ePen+PZoLrVUR4HLbb7hkBfXasC+71SgQf8e47/1yVQqgZLAOQp7OpNvyNkT6cjV9pSbUfPfcCARj8mShHbTZRrUpS+oWFOhjcllY6i2oevYQmQ7Ct9Vs/lRem+d5LGnsdYDg0cv8il4cN/qBhUJNxlr/TYJ4sbd+5yc6NUX3fQV1ypwALHLC26NYGBZKIgCENQjn2bFMMkLXDHukwdHz31cB+a5o6si/w+GU9xU7MEqsyYrQb7p7ipAZUxTINkEoIzNtxgij33lYOK+DApXicCIxmIqjHLZYgOYVG4rgh/NQRUpLkGlrtL3D90pHJGWnDHprO98QnyrQ2x2VC/9Xfm6gaQcfaGOt0Y6tMjo9Z7duCQo4oiHEPx1QqgKuK0HNMml2KQF8a7gUMfrFj81SOJZ4xPMuW+RAJ/kiwDEEBYtwvltG2K7UKjc/1CrOqkvWsT4vNu2cBfoHFNWN/+MABRxu9KsF4K7+fQOjSL3wzyL2XgMPU1FI3EnCUVj2tF9QbcqxY+eihAylReI0F54I5BnpM6Ck08SXlnriqzKkt3trAiTUET2SWwZWMzLMobdIdYN4bq2VXkl++KmKVSBES0SyWpf4eSNQ1tltmxqYIj2wTkLPdkPc0JSaEF2NkzEeJOmU/eerSMyOMEY9CKTPvZ0DmHhVZ8Wb1n FDpUDkOP 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 q3h3GrO4 vVvc0gV17ZnbSV5ELoWjlWRLBVSOgHGaQIxUkVyXmd62IFNJqBebjSsq/HZODDNFMF/4z9V8gdLpps08nK1gUwP0J1/EMI8U5ehxCtcbaX7XCPi8BW2bZnhe/iT3TEvZTAYbINF1jNmv0d02bCukEVXSSBvSbZAvb5z8A7pnlipwrh9hBiQ6CGTsJzFtsMYKVxhx4Te3kBB4/Exn8WiqNBt8nj1AOeccY84VIl49KnfVESLWDbwJUrfd89hjRZ/07A7HmUlOGFC10kNa2TYlEC0PrdHDq9bhhfH0aIJ1+jWf+28zTwzgtEagFzZw3m4hL/zccrJ4vkM4mvLZ+bZFLnhKg3bIspPxqkSmRnNSP2jslrnO4f3GLlOxOp0F9M9yfGNGMuP86DJlrNffrx7/LIoGqQAzXLTFmr60kWtLZNQ= 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: 8bf1262c53f5 Add linux-next specific files for 20240124 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=1267004be80000 kernel config: https://syzkaller.appspot.com/x/.config?x=ff4b59a824278780 dashboard link: https://syzkaller.appspot.com/bug?extid=26dcc7b3798d5bfdfbc3 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166d5c80180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e89b27e80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7696d711072d/disk-8bf1262c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/92cd47c28072/vmlinux-8bf1262c.xz kernel image: https://storage.googleapis.com/syzbot-assets/add5c7493418/bzImage-8bf1262c.xz The issue was bisected to: commit 947b031634e7af3d265275c26ec17e2f96fdb5a1 Author: Breno Leitao Date: Wed Jan 17 17:10:57 2024 +0000 mm/hugetlb: restore the reservation if needed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=177c4fc3e80000 final oops: https://syzkaller.appspot.com/x/report.txt?x=14fc4fc3e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=10fc4fc3e80000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+26dcc7b3798d5bfdfbc3@syzkaller.appspotmail.com Fixes: 947b031634e7 ("mm/hugetlb: restore the reservation if needed") ------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:1129! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5066 Comm: syz-executor406 Not tainted 6.8.0-rc1-next-20240124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:resv_map_release mm/hugetlb.c:1129 [inline] RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1114 Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05 RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007 RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060 R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2783df930 CR3: 000000000d57a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kref_put include/linux/kref.h:65 [inline] hugetlb_vm_op_close+0x4f5/0x5d0 mm/hugetlb.c:5165 remove_vma+0x8b/0x180 mm/mmap.c:141 exit_mmap+0x511/0xbe0 mm/mmap.c:3282 __mmput+0x12a/0x4d0 kernel/fork.c:1343 mmput+0x62/0x70 kernel/fork.c:1365 exit_mm kernel/exit.c:569 [inline] do_exit+0x999/0x2ac0 kernel/exit.c:858 do_group_exit+0xd3/0x2a0 kernel/exit.c:1020 __do_sys_exit_group kernel/exit.c:1031 [inline] __se_sys_exit_group kernel/exit.c:1029 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1029 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fd2783fdc39 Code: Unable to access opcode bytes at 0x7fd2783fdc0f. RSP: 002b:00007ffd48dc35f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2783fdc39 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fd278478270 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000002012 R11: 0000000000000246 R12: 00007fd278478270 R13: 0000000000000000 R14: 00007fd278478cc0 R15: 00007fd2783cfa30 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:resv_map_release mm/hugetlb.c:1129 [inline] RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1114 Code: ab ff 48 85 db 75 1d e8 eb 37 ab ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 07 fb ff e8 ce 37 ab ff 90 <0f> 0b 4c 89 ef e8 83 76 05 00 e9 3d ff ff ff 48 89 ef e8 86 75 05 RSP: 0018:ffffc900033f7b40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81e0f3fb RDX: ffff88802b4e9dc0 RSI: ffffffff81e0f422 RDI: 0000000000000007 RBP: ffff88807faaa060 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8ae000e6 R12: ffff88807faaa060 R13: ffff88807faaa060 R14: ffff88801ea1e788 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2783df930 CR3: 000000000d57a000 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