Unknown ioctl 21529
WARNING: CPU: 0 PID: 14 at kernel/bpf/core.c:681 bpf_jit_free+0x238/0x300
kobject: 'loop4' (00000000e6d90a15): kobject_uevent_env
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.67 #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred
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
audit: type=1800 audit(1566448382.744:95): pid=1487 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=16609 res=0
kobject: 'loop4' (00000000e6d90a15): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __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
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:bpf_jit_free+0x238/0x300
Code: 38 d0 7f 08 84 c0 0f 85 94 00 00 00 48 b8 00 02 00 00 00 00 ad de 41 0f b6 5c 24 02 49 39 c7 0f 84 33 fe ff ff e8 78 44 f5 ff <0f> 0b e9 27 fe ff ff e8 6c 44 f5 ff 4c 89 ea 48 b8 00 00 00 00 00
RSP: 0018:ffff8880aa26fca8 EFLAGS: 00010293
RAX: ffff8880aa25e380 RBX: 0000000000000007 RCX: ffffffff8175363d
RDX: 0000000000000000 RSI: ffffffff81761ab8 RDI: ffff8880579c3928
RBP: ffff8880aa26fcd0 R08: 1ffffffff14713a8 R09: fffffbfff14713a9
R10: fffffbfff14713a8 R11: ffffffff8a389d47 R12: ffffc90000002000
R13: ffffc90000002002 R14: ffffc90000002020 R15: ffff88808ebe41a0
 bpf_prog_free_deferred+0x2f6/0x420 kernel/bpf/core.c:1814
 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
Kernel Offset: disabled
Rebooting in 86400 seconds..