hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
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WARNING: CPU: 1 PID: 7794 at fs/overlayfs/file.c:58 ovl_change_flags fs/overlayfs/file.c:58 [inline]
WARNING: CPU: 1 PID: 7794 at fs/overlayfs/file.c:58 ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:109
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7794 Comm: syz-executor.1 Not tainted 4.19.107-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+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:58 [inline]
RIP: 0010:ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:109
Code: e9 f4 fd ff ff e8 be 99 45 ff e9 36 fe ff ff e8 b4 99 45 ff e9 4f fe ff ff e8 0a d3 0f ff 48 c7 c7 60 fb 94 87 e8 37 ef fa fe <0f> 0b 41 bd fb ff ff ff e9 9b c8 ff ff e8 ec d2 0f ff 48 c7 c7 60
RSP: 0018:ffff88804c137c08 EFLAGS: 00010286
RAX: 0000000000000024 RBX: 0000000000002000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8152c6e1 RDI: ffffed1009826f73
RBP: 0000000004048000 R08: 0000000000000024 R09: ffffed1015ce5079
R10: ffffed1015ce5078 R11: ffff8880ae7283c7 R12: ffff888094227a00
R13: ffff888088d93430 R14: 000000000000a000 R15: ffff888094227a78
 ovl_real_fdget fs/overlayfs/file.c:116 [inline]
 ovl_read_iter+0x103/0x311 fs/overlayfs/file.c:241
 call_read_iter include/linux/fs.h:1814 [inline]
 new_sync_read fs/read_write.c:406 [inline]
 __vfs_read+0x50f/0x740 fs/read_write.c:418
 vfs_read+0x18e/0x3b0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c479
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f4c21f7ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f4c21f7b6d4 RCX: 000000000045c479
RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000087b R14: 00000000004caf17 R15: 000000000076bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..