WARNING: CPU: 0 PID: 29060 at net/core/flow_dissector.c:764 __skb_flow_dissect+0xd39/0x5ad0 net/core/flow_dissector.c:764
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 29060 Comm: syz-executor0 Not tainted 4.20.0+ #9
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+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x589 kernel/panic.c:189
kobject: 'loop1' (00000000b425c8eb): kobject_uevent_env
kobject: 'loop1' (00000000b425c8eb): fill_kobj_path: path = '/devices/virtual/block/loop1'
 __warn.cold+0x20/0x4b kernel/panic.c:544
 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+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:__skb_flow_dissect+0xd39/0x5ad0 net/core/flow_dissector.c:764
Code: c8 65 48 33 34 25 28 00 00 00 0f 85 3d 44 00 00 48 8d 65 d0 5b 41 5a 41 5c 41 5d 41 5e 41 5f 5d 49 8d 62 f8 c3 e8 77 87 65 fb <0f> 0b e8 70 87 65 fb e8 2b a9 4e fb 31 ff 89 c3 89 c6 e8 e0 88 65
kobject: 'nr0
' (00000000284bf860): kobject_add_internal: parent: 'net', set: 'devices'
RSP: 0018:ffff888093d0f420 EFLAGS: 00010206
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900061bb000
RDX: 0000000000000270 RSI: ffffffff861c6dd9 RDI: ffff88809ef67098
RBP: ffff888093d0f8c0 R08: ffff888094508440 R09: ffffed1015cc5b90
R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: 0000000000000000
R13: ffffffff8a5c0f64 R14: ffff888093d0fb70 R15: ffff88809ef67080
kobject: 'nr0
' (00000000284bf860): kobject_uevent_env
kobject: 'nr0
' (00000000284bf860): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'queues' (00000000ea1aee77): kobject_add_internal: parent: 'nr0
', set: '<NULL>'
kobject: 'queues' (00000000ea1aee77): kobject_uevent_env
kobject: 'queues' (00000000ea1aee77): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000311471f6): kobject_add_internal: parent: 'queues', set: 'queues'
 skb_flow_dissect_flow_keys_basic include/linux/skbuff.h:1254 [inline]
 skb_probe_transport_header include/linux/skbuff.h:2435 [inline]
 tun_get_user+0x297f/0x4150 drivers/net/tun.c:1930
kobject: 'rx-0' (00000000311471f6): kobject_uevent_env
kobject: 'rx-0' (00000000311471f6): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
 tun_chr_write_iter+0xbd/0x160 drivers/net/tun.c:2017
 call_write_iter include/linux/fs.h:1862 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x764/0xb40 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0x105/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f073caf4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
kobject: 'tx-0' (0000000027669235): kobject_add_internal: parent: 'queues', set: 'queues'
RDX: 0000000000000335 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f073caf56d4
R13: 00000000004c7133 R14: 00000000004dc868 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..