------------[ cut here ]------------
WARNING: CPU: 0 PID: 7980 at drivers/tty/tty_ioctl.c:319 tty_set_termios.cold+0x11/0x1f drivers/tty/tty_ioctl.c:319
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7980 Comm: kworker/u5:2 Not tainted 4.19.62 #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci0 hci_power_on
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x507 kernel/panic.c:185
 __warn.cold+0x20/0x4a kernel/panic.c:540
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296
kobject: 'loop0' (00000000b353e7b7): kobject_uevent_env
kobject: 'loop0' (00000000b353e7b7): fill_kobj_path: path = '/devices/virtual/block/loop0'
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1035
RIP: 0010:tty_set_termios.cold+0x11/0x1f drivers/tty/tty_ioctl.c:319
Code: ff e8 12 0a 3b fe e9 f5 fe ff ff e8 08 0a 3b fe eb c7 e8 01 0a 3b fe eb 9d e8 3a 77 04 fe 48 c7 c7 40 d1 8c 87 e8 62 e8 ee fd <0f> 0b e9 d1 d7 ff ff 90 90 90 90 90 90 90 55 48 89 e5 41 55 41 54
RSP: 0018:ffff88805b22f990 EFLAGS: 00010282
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
RAX: 0000000000000024 RBX: ffff88805b22fa50 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8155d376 RDI: ffffed100b645f24
RBP: ffff88805b22fa78 R08: 0000000000000024 R09: ffff88805b220db0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805b22fab8
R13: 0000000000010004 R14: 1ffff1100b645f51 R15: ffff8880987ca1c0
 hci_uart_set_baudrate+0x157/0x1c0 drivers/bluetooth/hci_ldisc.c:378
 hci_uart_setup+0xa2/0x490 drivers/bluetooth/hci_ldisc.c:401
 hci_dev_do_open+0x674/0x14a0 net/bluetooth/hci_core.c:1423
 hci_power_on+0x10d/0x580 net/bluetooth/hci_core.c:2130
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 7005 Comm: syz-executor.0 Not tainted 4.19.62 #36
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+0x172/0x1f0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x1b lib/fault-inject.c:149
 __should_failslab+0x121/0x190 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x47/0x700 mm/slab.c:3557
 ext4_es_alloc_extent fs/ext4/extents_status.c:333 [inline]
 __es_insert_extent+0x2cc/0xf20 fs/ext4/extents_status.c:672
 ext4_es_insert_extent+0x27e/0x640 fs/ext4/extents_status.c:726
 ext4_ext_put_gap_in_cache+0xf7/0x150 fs/ext4/extents.c:2376
 ext4_ext_map_blocks+0x204c/0x55c0 fs/ext4/extents.c:4382
 ext4_map_blocks+0xf83/0x1b20 fs/ext4/inode.c:559
 ext4_getblk+0xc4/0x510 fs/ext4/inode.c:972
 ext4_bread+0x8f/0x230 fs/ext4/inode.c:1022
 ext4_append+0x155/0x370 fs/ext4/namei.c:66
 ext4_init_new_dir fs/ext4/namei.c:2611 [inline]
 ext4_mkdir+0x61b/0xdf0 fs/ext4/namei.c:2658
 vfs_mkdir+0x42e/0x690 fs/namei.c:3816
 do_mkdirat+0x234/0x2a0 fs/namei.c:3839
 __do_sys_mkdir fs/namei.c:3855 [inline]
 __se_sys_mkdir fs/namei.c:3853 [inline]
 __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3853
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c47
Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe594ff4a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 0000000000458c47
RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000180
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004
R13: 00000000004c8a24 R14: 00000000004df818 R15: 0000000000000003
Kernel Offset: disabled
Rebooting in 86400 seconds..