Hello, syzbot found the following issue on: HEAD commit: ed054e4e USB: gadget: f_printer: set a default q_len git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=172880e7500000 kernel config: https://syzkaller.appspot.com/x/.config?x=c8ac36d562a4f043 dashboard link: https://syzkaller.appspot.com/bug?extid=c44943d43677810db388 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1516acc7500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15658b57500000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c44943d43677810db388@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4394 at mm/page_alloc.c:4974 __alloc_pages_nodemask+0x569/0x690 mm/page_alloc.c:5009 Modules linked in: CPU: 0 PID: 4394 Comm: syz-executor446 Not tainted 5.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages_nodemask+0x569/0x690 mm/page_alloc.c:4974 Code: 00 00 0c 00 0f 85 94 00 00 00 4c 89 c2 44 89 e6 44 89 f7 c6 44 24 70 00 4c 89 6c 24 58 e8 0f da ff ff 49 89 c7 e9 2f fd ff ff <0f> 0b e9 f7 fd ff ff 4c 89 44 24 18 4c 89 44 24 10 89 74 24 0c 4c RSP: 0018:ffffc90000207b98 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff92000040f77 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040a20 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: ffffffff8169a911 R11: 0000000000000000 R12: 0000000000000012 R13: 0000000000000012 R14: 0000000000000000 R15: ffff8881020e2958 FS: 0000000000fa6880(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557339925678 CR3: 000000010239d000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: alloc_pages_current+0x18c/0x2a0 mm/mempolicy.c:2267 alloc_pages include/linux/gfp.h:547 [inline] kmalloc_order+0x2e/0xb0 mm/slab_common.c:837 kmalloc_order_trace+0x14/0x110 mm/slab_common.c:853 __usbhid_submit_report+0x56a/0xd50 drivers/hid/usbhid/hid-core.c:590 usbhid_submit_report drivers/hid/usbhid/hid-core.c:640 [inline] usbhid_request+0x7b/0xf0 drivers/hid/usbhid/hid-core.c:1274 hid_hw_request include/linux/hid.h:1072 [inline] hiddev_ioctl+0x513/0x1630 drivers/hid/usbhid/hiddev.c:726 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x445cb9 Code: e8 5c ad 02 00 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 1b cd fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff01168048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445cb9 RDX: 0000000020000040 RSI: 00000000400c4808 RDI: 0000000000000004 RBP: 00000000006d0018 R08: 000000000000000b R09: 00000000004002e0 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000402e60 R13: 0000000000402ef0 R14: 0000000000000000 R15: 0000000000000000 --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
