lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 28 Mar 2019 09:14:06 -0700 From: syzbot <syzbot+f9f3f388440283da2965@...kaller.appspotmail.com> To: arve@...roid.com, christian@...uner.io, devel@...verdev.osuosl.org, gregkh@...uxfoundation.org, joel@...lfernandes.org, linux-kernel@...r.kernel.org, maco@...roid.com, syzkaller-bugs@...glegroups.com, tkjos@...roid.com Subject: kernel BUG at drivers/android/binder_alloc.c:LINE! (3) Hello, syzbot found the following crash on: HEAD commit: 1a9df9e2 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11fed11f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=8dcdce25ea72bedf dashboard link: https://syzkaller.appspot.com/bug?extid=f9f3f388440283da2965 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d05637200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1677e62f200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+f9f3f388440283da2965@...kaller.appspotmail.com binder: 7824:7824 DecRefs 0 refcount change on invalid ref 1 ret -22 ------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1141! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7824 Comm: syz-executor570 Not tainted 5.1.0-rc2+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1141 Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 4f f4 23 fc 4c 89 e6 4c 89 ef e8 64 f5 23 fc 4d 39 e5 76 07 e8 3a f4 23 fc <0f> 0b e8 33 f4 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 41 RSP: 0018:ffff88808b497550 EFLAGS: 00010293 RAX: ffff88808620e540 RBX: 0000000020001000 RCX: ffffffff854c7d3c RDX: 0000000000000000 RSI: ffffffff854c7d46 RDI: 0000000000000006 RBP: ffff88808b4975d0 R08: ffff88808620e540 R09: 0000000000000028 R10: ffffed1011692f01 R11: ffff88808b49780f R12: 0000000000000008 R13: 0000000000000028 R14: ffff888088a0cb10 R15: 0000000000000000 FS: 00000000006de940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c4d28 CR3: 0000000090d8e000 CR4: 00000000001406e0 Call Trace: binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1187 binder_get_object+0xc3/0x200 drivers/android/binder.c:2062 binder_transaction+0x2b4a/0x6690 drivers/android/binder.c:3231 binder_thread_write+0x87e/0x2820 drivers/android/binder.c:3781 binder_ioctl_write_read drivers/android/binder.c:4825 [inline] binder_ioctl+0x1033/0x183b drivers/android/binder.c:5002 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x445f19 Code: e8 7c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffeaa7b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445f19 RDX: 0000000020000240 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000403010 R10: 00007fffeaa7b0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000403010 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0f3d90ce4ca56ff6 ]--- RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1141 Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 4f f4 23 fc 4c 89 e6 4c 89 ef e8 64 f5 23 fc 4d 39 e5 76 07 e8 3a f4 23 fc <0f> 0b e8 33 f4 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 41 RSP: 0018:ffff88808b497550 EFLAGS: 00010293 RAX: ffff88808620e540 RBX: 0000000020001000 RCX: ffffffff854c7d3c RDX: 0000000000000000 RSI: ffffffff854c7d46 RDI: 0000000000000006 RBP: ffff88808b4975d0 R08: ffff88808620e540 R09: 0000000000000028 R10: ffffed1011692f01 R11: ffff88808b49780f R12: 0000000000000008 R13: 0000000000000028 R14: ffff888088a0cb10 R15: 0000000000000000 FS: 00000000006de940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c4d28 CR3: 0000000090d8e000 CR4: 00000000001406f0 --- This bug 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@...glegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
Powered by blists - more mailing lists