device nr0 entered promiscuous mode device nr0 entered promiscuous mode device nr0 entered promiscuous mode device nr0 entered promiscuous mode device nr0 entered promiscuous mode WARNING: CPU: 1 PID: 25282 at net/core/flow_dissector.c:764 __skb_flow_dissect+0xdc5/0x5c10 net/core/flow_dissector.c:764 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 25282 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #130 kobject: 'loop5' (000000003995e316): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'tx-1' (0000000082bc9900): kobject_add_internal: parent: 'queues', set: 'queues' __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop5' (000000003995e316): fill_kobj_path: path = '/devices/virtual/block/loop5' panic+0x238/0x4e7 kernel/panic.c:184 kobject: 'tx-1' (0000000082bc9900): kobject_uevent_env __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 kobject: 'tx-1' (0000000082bc9900): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-1' kobject: 'rx-1' (000000006bcd3862): kobject_add_internal: parent: 'queues', set: 'queues' do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:__skb_flow_dissect+0xdc5/0x5c10 net/core/flow_dissector.c:764 Code: 48 01 d3 c7 03 f8 f8 f8 f8 48 c1 e8 03 66 44 89 73 04 48 01 d0 c7 00 f8 f8 f8 f8 66 44 89 78 04 e9 58 09 00 00 e8 ab b9 78 fb <0f> 0b e8 a4 b9 78 fb e8 af a8 61 fb 31 ff 89 c3 89 c6 e8 a4 ba 78 RSP: 0018:ffff8801a5d36fb0 EFLAGS: 00010293 RAX: ffff8801b94bc440 RBX: 0000000000000001 RCX: ffffffff86063363 RDX: 0000000000000000 RSI: ffffffff86061fa5 RDI: ffff8801bc577658 RBP: ffff8801a5d37740 R08: ffff8801b94bc440 R09: ffffed003b5e4732 kobject: 'rx-1' (000000006bcd3862): kobject_uevent_env R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000000000 R13: ffff8801bc577640 R14: ffff8801bc577640 R15: 000000000000ffff kobject: 'rx-1' (000000006bcd3862): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-1' kobject: 'nr0' (00000000b1ae52e0): kobject_cleanup, parent (null) kobject: 'nr0' (00000000b1ae52e0): calling ktype release kobject: 'nr0': free name kobject: 'loop0' (00000000b4491b85): kobject_uevent_env kobject: 'loop0' (00000000b4491b85): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (000000006c3aca90): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000006c3aca90): kobject_uevent_env kobject: 'nr0' (000000006c3aca90): fill_kobj_path: path = '/devices/virtual/net/nr0' skb_flow_dissect_flow_keys_basic include/linux/skbuff.h:1240 [inline] skb_probe_transport_header include/linux/skbuff.h:2403 [inline] tun_get_user+0x2d4a/0x4250 drivers/net/tun.c:1906 kobject: 'queues' (0000000077ba1723): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000077ba1723): kobject_uevent_env kobject: 'queues' (0000000077ba1723): kobject_uevent_env: filter function caused the event to drop! tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1993 call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6b8/0x9f0 fs/read_write.c:487 kobject: 'rx-0' (00000000b2787e47): kobject_add_internal: parent: 'queues', set: 'queues' vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 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+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'rx-0' (00000000b2787e47): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1ababc2c78 EFLAGS: 00000246 kobject: 'rx-0' (00000000b2787e47): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 000000000000017b RSI: 0000000020000000 RDI: 0000000000000007 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ababc36d4 R13: 00000000004c5560 R14: 00000000004d8e98 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..