------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 5580 at kernel/locking/mutex.c:912 __mutex_lock_common kernel/locking/mutex.c:912 [inline] WARNING: CPU: 1 PID: 5580 at kernel/locking/mutex.c:912 __mutex_lock+0xd31/0x1360 kernel/locking/mutex.c:1077 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5580 Comm: syz-executor.2 Not tainted 5.3.0-rc2+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 panic+0x2a3/0x6da kernel/panic.c:219 __warn.cold+0x20/0x4a kernel/panic.c:576 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1026 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:912 [inline] RIP: 0010:__mutex_lock+0xd31/0x1360 kernel/locking/mutex.c:1077 Code: d2 0f 85 f6 05 00 00 44 8b 05 7b de 1c 02 45 85 c0 0f 85 0a f4 ff ff 48 c7 c6 c0 92 c6 85 48 c7 c7 60 90 c6 85 e8 f4 c4 a6 fb <0f> 0b e9 f0 f3 ff ff 65 48 8b 1c 25 00 ef 01 00 be 08 00 00 00 48 RSP: 0018:ffff8881c869f740 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000002649 RSI: ffffffff8128a0fd RDI: ffffed10390d3eda RBP: ffff8881c869f8b0 R08: ffff8881d335c800 R09: fffffbfff0d9ee35 R10: fffffbfff0d9ee34 R11: ffffffff86cf71a3 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8881d7b7ecc8 R15: ffff8881c9a1b5c0 usbtouch_open+0x101/0x310 drivers/input/touchscreen/usbtouchscreen.c:1537 input_open_device+0x170/0x280 drivers/input/input.c:607 evdev_open_device drivers/input/evdev.c:433 [inline] evdev_open+0x3fe/0x510 drivers/input/evdev.c:518 chrdev_open+0x219/0x5c0 fs/char_dev.c:414 do_dentry_open+0x494/0x1120 fs/open.c:797 do_last fs/namei.c:3416 [inline] path_openat+0x1430/0x3f50 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3c0/0x580 fs/open.c:1089 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413711 Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f64438167a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000413711 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f6443816850 RBP: 000000000075bf20 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f64438176d4 R13: 00000000004c8beb R14: 00000000004dfb08 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..