device nr0 entered promiscuous mode WARNING: CPU: 1 PID: 21803 at net/core/flow_dissector.c:764 __skb_flow_dissect+0xd39/0x5ad0 net/core/flow_dissector.c:764 kobject: 'tx-1' (00000000366e66a7): kobject_add_internal: parent: 'queues', set: 'queues' Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21803 Comm: syz-executor0 Not tainted 4.20.0+ #11 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: 'loop5' (000000003dbe895b): kobject_uevent_env __warn.cold+0x20/0x4b kernel/panic.c:544 report_bug+0x263/0x2b0 lib/bug.c:186 kobject: 'loop5' (000000003dbe895b): fill_kobj_path: path = '/devices/virtual/block/loop5' 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 kobject: 'tx-1' (00000000366e66a7): kobject_uevent_env 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 RSP: 0018:ffff8880950f7420 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900061d3000 RDX: 000000000000025e RSI: ffffffff861c6dd9 RDI: ffff8880a5ca7298 RBP: ffff8880950f78c0 R08: ffff8880a02f6480 R09: ffffed1015ce5b90 R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: 0000000000000000 R13: ffffffff8a5c0f64 R14: ffff8880950f7b70 R15: ffff8880a5ca7280 kobject: 'tx-1' (00000000366e66a7): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-1' kobject: 'rx-1' (00000000f29b7109): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-1' (00000000f29b7109): kobject_uevent_env 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 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 kobject: 'rx-1' (00000000f29b7109): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-1' 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:00007f1f91ed0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 netlink: 10 bytes leftover after parsing attributes in process `syz-executor2'. RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 000000000000017b RSI: 0000000020000000 RDI: 0000000000000007 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1f91ed16d4 R13: 00000000004c7133 R14: 00000000004dc868 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..