------------[ cut here ]------------
WARNING: CPU: 1 PID: 5070 at fs/eventpoll.c:1828 ep_poll fs/eventpoll.c:1828 [inline]
WARNING: CPU: 1 PID: 5070 at fs/eventpoll.c:1828 do_epoll_wait+0x337/0x920 fs/eventpoll.c:2333
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 5070 Comm: systemd-udevd Not tainted 5.8.0-syzkaller #0
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+0x16e/0x25d lib/dump_stack.c:118
 panic+0x20c/0x69a kernel/panic.c:231
 __warn+0x211/0x240 kernel/panic.c:600
 report_bug+0x153/0x1d0 lib/bug.c:198
 handle_bug+0x4d/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x70 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:ep_poll fs/eventpoll.c:1828 [inline]
RIP: 0010:do_epoll_wait+0x337/0x920 fs/eventpoll.c:2333
Code: 41 be 01 00 00 00 31 c0 48 89 44 24 20 45 31 e4 e9 7f 01 00 00 e8 59 ab c6 ff 41 bc f2 ff ff ff e9 c8 03 00 00 e8 49 ab c6 ff <0f> 0b e9 58 fe ff ff 49 bf ff ff ff ff ff ff ff 7f e9 f0 fe ff ff
RSP: 0018:ffffc90000da3e40 EFLAGS: 00010293
RAX: ffffffff81856f27 RBX: ffff8881247c8800 RCX: ffff888125480180
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81856d68 R09: 0000ffff88619eb7
R10: 0000000000000006 R11: ffff888125480180 R12: 00007ffffffff000
R13: 0000000000000009 R14: 0000000000000000 R15: 000000000000000a
 __do_sys_epoll_wait fs/eventpoll.c:2343 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2340 [inline]
 __x64_sys_epoll_wait+0x4d/0x60 fs/eventpoll.c:2340
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f55844a52e3
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 29 54 2b 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 0b c2 00 00 48 89 04 24
RSP: 002b:00007fff695188a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 000055e1536cb970 RCX: 00007f55844a52e3
RDX: 0000000000000009 RSI: 00007fff695188b0 RDI: 000000000000000a
RBP: 00007fff69518a20 R08: 000055e1536cb7c0 R09: 0000000000000018
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff695188b0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..