hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 BUG: GPF in non-whitelisted uaccess (non-canonical address?) hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 kasan: CONFIG_KASAN_INLINE enabled hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 kasan: GPF could be caused by NULL-ptr deref or user memory access hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 general protection fault: 0000 [#1] PREEMPT SMP KASAN hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 CPU: 1 PID: 1965 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #330 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 RSP: 0018:ffff88017d0df398 EFLAGS: 00010202 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RAX: 0000000000000000 RBX: 0000000000000747 RCX: 0000000000000747 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RDX: 0000000000000747 RSI: ff41702d631f4123 RDI: ffff880182ceaa38 RBP: ffff88017d0df3d0 R08: 0000000000000000 R09: 000000000000001d R10: ffffed003059d62f R11: ffff880182ceb17e R12: ff41702d631f486a R13: ff41702d631f4123 R14: ffff880182ceaa38 R15: ffffffffffffffff FS: 00007f6f8a184700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000011997d0 CR3: 00000001861bc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 Call Trace: copy_from_user include/linux/uaccess.h:147 [inline] uhid_dev_create+0x20c/0xb40 drivers/hid/uhid.c:542 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 uhid_char_write+0xc74/0xef0 drivers/hid/uhid.c:725 __vfs_write+0x119/0x9f0 fs/read_write.c:485 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 __kernel_write+0x10c/0x370 fs/read_write.c:506 write_pipe_buf+0x180/0x240 fs/splice.c:797 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x38b/0x7c0 fs/splice.c:627 splice_from_pipe+0x1ec/0x340 fs/splice.c:662 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 default_file_splice_write+0x3c/0x90 fs/splice.c:809 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x128/0x190 fs/splice.c:1018 splice_direct_to_actor+0x318/0x8f0 fs/splice.c:973 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 do_splice_direct+0x2d4/0x420 fs/splice.c:1061 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 do_sendfile+0x62a/0xe20 fs/read_write.c:1439 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 __do_sys_sendfile64 fs/read_write.c:1494 [inline] __se_sys_sendfile64 fs/read_write.c:1486 [inline] __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1486 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 entry_SYSCALL_64_after_hwframe+0x49/0xbe hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RIP: 0033:0x457569 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RSP: 002b:00007f6f8a183c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RDX: 0000000020d83ff8 RSI: 0000000000000005 RDI: 0000000000000004 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 R10: 00008000fffffffe R11: 0000000000000246 R12: 00007f6f8a1846d4 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 R13: 00000000004c37cc R14: 00000000004d5958 R15: 00000000ffffffff hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 Modules linked in: hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 ---[ end trace 836c94a62879a480 ]--- hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RSP: 0018:ffff88017d0df398 EFLAGS: 00010202 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RAX: 0000000000000000 RBX: 0000000000000747 RCX: 0000000000000747 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RDX: 0000000000000747 RSI: ff41702d631f4123 RDI: ffff880182ceaa38 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 RBP: ffff88017d0df3d0 R08: 0000000000000000 R09: 000000000000001d hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 R10: ffffed003059d62f R11: ffff880182ceb17e R12: ff41702d631f486a hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 R13: ff41702d631f4123 R14: ffff880182ceaa38 R15: ffffffffffffffff hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 FS: 00007f6f8a184700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 CR2: 00007fef6cb85db8 CR3: 00000001861bc000 CR4: 00000000001406e0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 hid-generic 0000:0000:0000.00A5: unknown main item tag 0x0