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AJvYcCUWLhIItQRCZwEht8hiygJgykJ06P+vAhTx0ivneLufBpe+VZNlwUl4MYi3k55taM1HK1pdliB9uiHnNRk=@vger.kernel.org X-Gm-Message-State: AOJu0YyWob2FQdQWShfhrOQR+TB37QpD/W9MrC0g2v6X2XT9LZv9Cs7V V7ulRIlAFXNHuFuV5L5YLMVhfurJW9MK8X21RU1gVnferRPiFYZrws95o10H3y7t/RVWXr7RqhA daiagJPrYuVMwycrfq95wrdTnVSaALY4nwoOHYim/w4Jee/B1joc6o2uQz/8= X-Google-Smtp-Source: AGHT+IEqgzucn1d1hDX/lALBgFl0/Xk4uBHJDAvKDiE85gN+7nyegaotk81wpONgVQv4t79aG8wdbQhtNZoCrYH/XDuihhcHF0Bp Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3713:b0:3d9:2aa3:fe2e with SMTP id e9e14a558f8ab-3ddce436717mr38359915ab.10.1749216724302; Fri, 06 Jun 2025 06:32:04 -0700 (PDT) Date: Fri, 06 Jun 2025 06:32:04 -0700 In-Reply-To: <20250606125623.1827-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6842edd4.a00a0220.29ac89.0041.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in vma_modify From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in vma_modify 7fcac9c9e000-7ffd51cbbfff: 0000000000000000 7ffd51cbc000-7ffd51cdcfff: ffff88807946b8c0 7ffd51cdd000-ffffffffffffffff: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6557 at mm/vma.c:808 vma_merge_existing_range mm/vma.c:808 [inline] WARNING: CPU: 0 PID: 6557 at mm/vma.c:808 vma_modify+0x15ff/0x1a30 mm/vma.c:1604 Modules linked in: CPU: 0 UID: 0 PID: 6557 Comm: syz.0.16 Not tainted 6.15.0-syzkaller-12426-ge271ed52b344-dirty #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:vma_merge_existing_range mm/vma.c:808 [inline] RIP: 0010:vma_modify+0x15ff/0x1a30 mm/vma.c:1604 Code: 0b 90 e9 a5 ec ff ff e8 3f 60 ab ff 90 0f 0b 90 e9 e5 eb ff ff e8 31 60 ab ff 4c 89 f7 48 c7 c6 a0 91 96 8b e8 b2 06 f3 ff 90 <0f> 0b 90 e9 46 ec ff ff e8 14 60 ab ff e9 57 ed ff ff e8 0a 60 ab RSP: 0018:ffffc90003befb28 EFLAGS: 00010286 RAX: ffffffff8b5e58cd RBX: ffff88807e5c0280 RCX: ffff88802e4e3c00 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff RBP: 0000200000000000 R08: ffffc90003bef6a7 R09: 1ffff9200077ded4 R10: dffffc0000000000 R11: fffff5200077ded5 R12: 1ffff9200077df8c R13: 0000200000000000 R14: ffffc90003befc40 R15: ffffc90003befc60 FS: 00007fcac9c746c0(0000) GS:ffff888125c55000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558b9147a950 CR3: 000000005bd9d000 CR4: 0000000000350ef0 Call Trace: vma_modify_flags+0x1e8/0x230 mm/vma.c:1645 mlock_fixup+0x22a/0x360 mm/mlock.c:483 apply_mlockall_flags+0x2f0/0x3c0 mm/mlock.c:736 __ia32_sys_munlockall+0x10a/0x220 mm/mlock.c:782 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcac8d8e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcac9c74038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098 RAX: ffffffffffffffda RBX: 00007fcac8fb6080 RCX: 00007fcac8d8e969 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fcac9c74090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007fcac8fb6080 R15: 00007ffd51cdb4b8 Tested on: commit: e271ed52 Merge tag 'pm-6.16-rc1-3' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13bcb282580000 kernel config: https://syzkaller.appspot.com/x/.config?x=73696606574e3967 dashboard link: https://syzkaller.appspot.com/bug?extid=d16409ea9ecc16ed261a compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 patch: https://syzkaller.appspot.com/x/patch.diff?x=152371d4580000