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Tue, 10 Jan 2023 00:43:47 -0800 (PST) Date: Tue, 10 Jan 2023 00:43:47 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d677c405f1e4e1e6@google.com> Subject: [syzbot] WARNING in vma_complete From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 1B2D110000A X-Stat-Signature: 65kugm9znibhsgtey7hkxqjq6ftr7riy X-Rspam-User: X-HE-Tag: 1673340227-189081 X-HE-Meta: U2FsdGVkX1+DB5eXJ63Ft6vMgAeh3SPy+d7AO9WXIEqFhi4v2u47ajN6VdMoy4Zgw8uKFn4RDu6RjBOuVZR7MHvLQO/1zBogDBILgvf5IJ2gHsnYu1aqTnV7n9KO0qu1mCB0tRIU7hECnwBjIfhyd1pAGC0/bIHlKJMDlyGsjY7h5zwHBnK0k+Qwwuy62aHUT4vd6HB42MCgUZZW60cozR8vglLeRrAZ626sS8puJxHSaL+Rm+pNEXGYG+6SwFm37k/XMpx4n6NWC7POWY9ypmeYdGZJKKPcBllt6bnrWRE8XE8Rnpe0Mu60fW3Oa/c4A2iOUoZWnNYcD+ImR8DGRVmdDdr+PPzfMVE178SvojJ/4wVylFN8ryOtWH2KITbYiROboyaTssrqdB+KGdbHsM8yf/4GTYa2v0SOmZuvTjIGdloHDQSA64DK8WnqDi5w7qUwd7jQhSGBo8XfaCz1QNG7NVD05uMhDTwvPv7HRb/BvA6n8Obuvs/tbrkO98G1IKmYBTip8fjubGNis+KxAbCXoQtn7rAeRn4QWAkgzyzTTx5WjLJ/CE2uWpfzpF0OiKZB1kGdxModouWH6pmRBubIKK0CBpL7VvIxK5iwS43K/UaFN14D6kap64t+yX4WnJqAbF6FDoND1hXMKgLN0qIfvw2Y/AiWooCSRfdkRPDreKLf2sTfL+trPQ0UrJEDKQ4GlaevuCejtzw8p8ns06ohM5+jsNs+6p/0SrkliD+Yv/Vq7TPHHprm2ZiJCoVK14SnbKDneKaUtEk3bYvCzzwFO1pYN6bFPzD+Pwg35zr5+1ZGOOQppG0sespKfIeew8mj6npLLLrKG3HP0/tdDrL6eqWn/izj3baaAFBEeqqtvjQqX07CqGbVzksRZiD0x2OzMxsT6Ms9/PUoSH3HNDodcCaf8OrgbnebMhkJOFx7b8rEllWbN70magf3IAYokRwoDYRmaw49ORwwIk+ Y9CxFsfr 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 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: Hello, syzbot found the following issue on: HEAD commit: 435bf71af3a0 Add linux-next specific files for 20230110 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=13fb585a480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2de08b99ad4f49c dashboard link: https://syzkaller.appspot.com/bug?extid=ea4b1a683ce48cd567b1 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8541d2e988c8/disk-435bf71a.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/09d8d0545d93/vmlinux-435bf71a.xz kernel image: https://storage.googleapis.com/syzbot-assets/f99de1e244bf/bzImage-435bf71a.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ea4b1a683ce48cd567b1@syzkaller.appspotmail.com R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcce031f7f R14: 00007f2ba41fc300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3905 at mm/mmap.c:170 vma_iter_store mm/mmap.c:170 [inline] WARNING: CPU: 1 PID: 3905 at mm/mmap.c:170 vma_complete.cold+0x9/0x2fb mm/mmap.c:634 Modules linked in: CPU: 1 PID: 3905 Comm: syz-executor.1 Not tainted 6.2.0-rc3-next-20230110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:vma_iter_store mm/mmap.c:170 [inline] RIP: 0010:vma_complete.cold+0x9/0x2fb mm/mmap.c:634 Code: 37 00 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 74 08 48 89 ef e8 4f e3 10 f8 4c 8b 6d 00 e9 ce b3 ff f7 48 89 34 24 e8 fd f5 c2 f7 <0f> 0b 48 8b 34 24 4c 89 f2 48 c7 c7 e0 53 58 8a e8 45 d9 fe ff 49 RSP: 0018:ffffc900037afae0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffc900037afb88 RCX: ffffc90004b59000 RDX: 0000000000040000 RSI: ffffffff89bec7c3 RDI: 0000000000000006 RBP: ffffc900037afd58 R08: 0000000000000006 R09: 0000000020003000 R10: 0000000021000000 R11: 0000000000000000 R12: ffff888065beeee0 R13: ffff88807c133600 R14: 0000000020003000 R15: ffffc900037afd60 FS: 00007f2ba41fc700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fccb2385058 CR3: 000000002d40b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __split_vma+0x61d/0x740 mm/mmap.c:2273 split_vma+0xc6/0x110 mm/mmap.c:2300 mlock_fixup+0x56a/0x810 mm/mlock.c:436 apply_vma_lock_flags+0x23d/0x350 mm/mlock.c:506 do_mlock+0x25a/0x6d0 mm/mlock.c:601 __do_sys_mlock2 mm/mlock.c:628 [inline] __se_sys_mlock2 mm/mlock.c:618 [inline] __x64_sys_mlock2+0xc1/0x100 mm/mlock.c:618 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2ba348c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2ba41fc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000145 RAX: ffffffffffffffda RBX: 00007f2ba35abf80 RCX: 00007f2ba348c0c9 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020000000 RBP: 00007f2ba34e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcce031f7f R14: 00007f2ba41fc300 R15: 0000000000022000 --- 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.