usercopy: Kernel memory exposure attempt detected from wrapped address (offset 0, size 0)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:98! invalid opcode: 0000 [#1] SMP KASAN CPU: 1 PID: 2968 Comm: syz-executor.1 Not tainted 5.3.0-rc2+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:usercopy_abort+0xb9/0xbb mm/usercopy.c:98 Code: e8 c1 f7 d6 ff 49 89 d9 4d 89 e8 4c 89 e1 41 56 48 89 ee 48 c7 c7 e0 f3 cd 85 ff 74 24 08 41 57 48 8b 54 24 20 e8 15 98 c1 ff <0f> 0b e8 95 f7 d6 ff e8 80 9f fd ff 8b 54 24 04 49 89 d8 4c 89 e1 RSP: 0018:ffff8881b0f37be8 EFLAGS: 00010282 RAX: 000000000000005a RBX: ffffffff85cdf100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8128a0fd RDI: ffffed10361e6f6f RBP: ffffffff85cdf2c0 R08: 000000000000005a R09: ffffed103b665d58 R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffffffff85cdf460 R13: ffffffff85cdf100 R14: 0000000000000000 R15: ffffffff85cdf100 FS: 00007f539a2a9700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000021237d0 CR3: 00000001d6ac6000 CR4: 00000000001406e0 Call Trace: check_bogus_address mm/usercopy.c:151 [inline] __check_object_size mm/usercopy.c:260 [inline] __check_object_size.cold+0xb2/0xba mm/usercopy.c:250 check_object_size include/linux/thread_info.h:119 [inline] check_copy_size include/linux/thread_info.h:150 [inline] copy_to_user include/linux/uaccess.h:151 [inline] hidraw_ioctl+0x38c/0xae0 drivers/hid/hidraw.c:392 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f539a2a8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000020000800 RSI: 0000000090044802 RDI: 0000000000000004 RBP: 000000000075c268 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f539a2a96d4 R13: 00000000004c21f3 R14: 00000000004d55b8 R15: 00000000ffffffff Modules linked in: ---[ end trace 24b9968555bf4653 ]--- RIP: 0010:usercopy_abort+0xb9/0xbb mm/usercopy.c:98 Code: e8 c1 f7 d6 ff 49 89 d9 4d 89 e8 4c 89 e1 41 56 48 89 ee 48 c7 c7 e0 f3 cd 85 ff 74 24 08 41 57 48 8b 54 24 20 e8 15 98 c1 ff <0f> 0b e8 95 f7 d6 ff e8 80 9f fd ff 8b 54 24 04 49 89 d8 4c 89 e1 RSP: 0018:ffff8881b0f37be8 EFLAGS: 00010282 RAX: 000000000000005a RBX: ffffffff85cdf100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8128a0fd RDI: ffffed10361e6f6f RBP: ffffffff85cdf2c0 R08: 000000000000005a R09: ffffed103b665d58 R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffffffff85cdf460 R13: ffffffff85cdf100 R14: 0000000000000000 R15: ffffffff85cdf100 FS: 00007f539a2a9700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000021237d0 CR3: 00000001d6ac6000 CR4: 00000000001406e0