Hello, syzbot found the following issue on: HEAD commit: ca688bff68bc Add linux-next specific files for 20220808 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=10e83871080000 kernel config: https://syzkaller.appspot.com/x/.config?x=4c20e006003cdecb dashboard link: https://syzkaller.appspot.com/bug?extid=a7b60a176ec13cafb793 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. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a7b60a176ec13cafb793@xxxxxxxxxxxxxxxxxxxxxxxxx WARNING: CPU: 0 PID: 6818 at include/linux/mmap_lock.h:155 mmap_assert_locked include/linux/mmap_lock.h:155 [inline] WARNING: CPU: 0 PID: 6818 at include/linux/mmap_lock.h:155 find_vma+0xf8/0x270 mm/mmap.c:2255 Modules linked in: CPU: 1 PID: 6818 Comm: syz-executor.4 Not tainted 5.19.0-next-20220808-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:mmap_assert_locked include/linux/mmap_lock.h:155 [inline] RIP: 0010:find_vma+0xf8/0x270 mm/mmap.c:2255 Code: 49 8d bc 24 28 01 00 00 be ff ff ff ff e8 40 2e c8 07 31 ff 89 c3 89 c6 e8 85 e2 c4 ff 85 db 0f 85 61 ff ff ff e8 b8 e5 c4 ff <0f> 0b e9 55 ff ff ff e8 ac e5 c4 ff 4c 89 e7 e8 54 38 fb ff 0f 0b RSP: 0018:ffffc9000cac7530 EFLAGS: 00010216 RAX: 0000000000001fcd RBX: 0000000000000000 RCX: ffffc90003991000 RDX: 0000000000040000 RSI: ffffffff81b72058 RDI: 0000000000000005 RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888020bb6900 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000006 FS: 00007f8a9c5d8700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002019c000 CR3: 000000001de0c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> vma_lookup include/linux/mm.h:2743 [inline] binder_alloc_get_vma drivers/android/binder_alloc.c:340 [inline] binder_alloc_new_buf_locked drivers/android/binder_alloc.c:405 [inline] binder_alloc_new_buf+0xd6/0x18b0 drivers/android/binder_alloc.c:590 binder_transaction+0x242e/0x9a80 drivers/android/binder.c:3187 binder_thread_write+0x8a9/0x3220 drivers/android/binder.c:3963 binder_ioctl_write_read drivers/android/binder.c:5024 [inline] binder_ioctl+0x3470/0x6d00 drivers/android/binder.c:5311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8a9b489279 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8a9c5d8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8a9b59bf80 RCX: 00007f8a9b489279 RDX: 0000000020000680 RSI: 00000000c0306201 RDI: 0000000000000004 RBP: 00007f8a9b4e3189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffde1b812ff R14: 00007f8a9c5d8300 R15: 0000000000022000 </TASK> --- 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@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
