From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0A7B13C9B9 for ; Tue, 26 Mar 2024 19:00:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711479634; cv=none; b=mlJ6P1drcliu5Jvie9syx7Wxr2lh6oFspi1Q9II8gwBk5HGim70bMk+Yhke9i91Kz/WENWGvbsdwO3IrqukMVTSAkmjkDz5flQfJGVT1aVaT2bx/IWGcznwoQJkt04AWmItlQ9xexff3OG4XjZl3SIS+YZqI8ZFqhzo0wdEzPJo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711479634; c=relaxed/simple; bh=7HDloqRSDdn+FNnsv1j7aPLrnomcwb8pA0DxtNg/nrI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=VHMoISPeXWEDgXKSloVdOcLc53apJp97kEyQw/62fT3UKh8xk5uI35uEJlMlQn/FQiFxn5KMTCacxeAcCDG77Z/fNkCQWaTNDp0u9GKEgd8ub6QMFbs0rbq8WWp4K/nN7pdg+2tGcsCCe2uZjgXBtya7Nzy49zai7zN95zGFeOc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-366a7e3099bso58106945ab.0 for ; Tue, 26 Mar 2024 12:00:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711479623; x=1712084423; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=+EQq1+C0rxxXWWlIywUcuDOKzK5nbEvWmmdoOCe2LpE=; b=B4P6ymRKbTnV7XhFKsQ4L+/tdEeNaZ7m8zQvoN76UbTIZDMUa+edwOGMBHzYFX8oJD iBFjP6F/ASUz2E+i3Chq/lpQqTnTJX4JYRSUtqwc1b+E5d+nq8fW8epFFxt6WQ1n7mIJ M2XP36DgQeOgXrOJ2Rf5nmSVR8te19ybfyEAMglRgJo2/0lEmkufO44g7MZ9qh9v81sl dfWiMnSToljFVQGHtGDRnBZ79fhblh642kRRkatKYMdid+YApAVbEI5ChpIL1jMkeJjJ Xu/3S7fjHiKpKvj6CmgTwvKL73QcxtlrBiXWVlQzlBWmGFBVTq4mSDa4nytth21MpZZQ NWZA== X-Forwarded-Encrypted: i=1; AJvYcCVDbON/J7hd/2HwBzPGF98WfJAPIui/Yo3sGSX4+kyGYmvBdVHxS/i5O7YyRYV7O/fkPUvrHbvrM0Z3hPm84gbDOTMoxmEV X-Gm-Message-State: AOJu0YxeBpatpI+vPr9SzCDAZVhJRbSZOj8W7b4+fnqwYP/r96QOU2K2 dGnmw1Jkc1/EiGOzNXwwRMJQ1NkHp7/zH8NnsuATKHKSuxDFG6DLLfszmjhyHm6/fhu1FepOQsC +Cyizxxolp92CZfaBfeu6xTf0UFLEfOSOejdj26ICywA3zhi3IE533m0= X-Google-Smtp-Source: AGHT+IHbFVVAE7ADdPRwhETSn8OEneL86XBPP2rHXEU6ar59LK9sQo7jJrDfHGKTwtewbJIAbSzSFFXEveEa+Y/TTCYUIeydSiLX Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12ea:b0:368:7d6b:a7cd with SMTP id l10-20020a056e0212ea00b003687d6ba7cdmr537549iln.3.1711479622876; Tue, 26 Mar 2024 12:00:22 -0700 (PDT) Date: Tue, 26 Mar 2024 12:00:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f6531b061494e696@google.com> Subject: [syzbot] [bpf?] [net?] general protection fault in dev_map_enqueue From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, eddyz87@gmail.com, haoluo@google.com, hawk@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=158ad421180000 kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7 dashboard link: https://syzkaller.appspot.com/bug?extid=af9492708df9797198d6 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+af9492708df9797198d6@syzkaller.appspotmail.com general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 13398 Comm: syz-executor.3 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:dev_map_enqueue+0x31/0x3e0 kernel/bpf/devmap.c:539 Code: 41 56 41 55 41 54 53 48 83 ec 18 49 89 d4 49 89 f5 48 89 fd 49 be 00 00 00 00 00 fc ff df e8 56 3a d8 ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 60 89 3b 00 4c 8b 7d 00 48 83 c5 RSP: 0018:ffffc90010e6f688 EFLAGS: 00010256 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000fb19000 RSI: 0000000000000c96 RDI: 0000000000000c97 RBP: 0000000000000000 R08: 0000000000000005 R09: ffffffff8954502e R10: 0000000000000004 R11: ffff88805bde3c00 R12: ffff88807e182000 R13: ffff88805595d070 R14: dffffc0000000000 R15: ffff8880b953c288 FS: 00007fe7632126c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d23000 CR3: 000000006b1cc000 CR4: 0000000000350ef0 Call Trace: __xdp_do_redirect_frame net/core/filter.c:4384 [inline] xdp_do_redirect_frame+0x20d/0x4d0 net/core/filter.c:4438 xdp_test_run_batch net/bpf/test_run.c:336 [inline] bpf_test_run_xdp_live+0xe8a/0x1e90 net/bpf/test_run.c:384 bpf_prog_test_run_xdp+0x813/0x11b0 net/bpf/test_run.c:1267 bpf_prog_test_run+0x33c/0x3b0 kernel/bpf/syscall.c:4240 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5649 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5736 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fe76247dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe7632120c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe7625abf80 RCX: 00007fe76247dda9 RDX: 0000000000000050 RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007fe7624ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe7625abf80 R15: 00007ffcf8e59e58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dev_map_enqueue+0x31/0x3e0 kernel/bpf/devmap.c:539 Code: 41 56 41 55 41 54 53 48 83 ec 18 49 89 d4 49 89 f5 48 89 fd 49 be 00 00 00 00 00 fc ff df e8 56 3a d8 ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 60 89 3b 00 4c 8b 7d 00 48 83 c5 RSP: 0018:ffffc90010e6f688 EFLAGS: 00010256 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000fb19000 RSI: 0000000000000c96 RDI: 0000000000000c97 RBP: 0000000000000000 R08: 0000000000000005 R09: ffffffff8954502e R10: 0000000000000004 R11: ffff88805bde3c00 R12: ffff88807e182000 R13: ffff88805595d070 R14: dffffc0000000000 R15: ffff8880b953c288 FS: 00007fe7632126c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d23000 CR3: 000000006b1cc000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 41 56 push %r14 2: 41 55 push %r13 4: 41 54 push %r12 6: 53 push %rbx 7: 48 83 ec 18 sub $0x18,%rsp b: 49 89 d4 mov %rdx,%r12 e: 49 89 f5 mov %rsi,%r13 11: 48 89 fd mov %rdi,%rbp 14: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14 1b: fc ff df 1e: e8 56 3a d8 ff call 0xffd83a79 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 ef mov %rbp,%rdi 34: e8 60 89 3b 00 call 0x3b8999 39: 4c 8b 7d 00 mov 0x0(%rbp),%r15 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c5 .byte 0xc5 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title 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