[ 2.558966] eth0: renamed from r1h1 [ 2.602009] eth0: renamed from r2h1 [ 2.646927] eth2: renamed from r2h2 [ 2.688970] eth1: renamed from r2r1 [ 2.746123] br0: port 1(eth0) entered blocking state [ 2.746234] br0: port 1(eth0) entered disabled state [ 2.746315] eth0: entered allmulticast mode [ 2.746400] eth0: entered promiscuous mode [ 2.746519] br0: port 1(eth0) entered blocking state [ 2.746576] br0: port 1(eth0) entered forwarding state [ 2.758870] br0: port 2(eth1) entered blocking state [ 2.758951] br0: port 2(eth1) entered disabled state [ 2.759014] eth1: entered allmulticast mode [ 2.759102] eth1: entered promiscuous mode [ 2.759246] br0: port 2(eth1) entered blocking state [ 2.759313] br0: port 2(eth1) entered forwarding state [ 13.720675] eth1: left allmulticast mode [ 13.720738] eth1: left promiscuous mode [ 13.720797] br0: port 2(eth1) entered disabled state [ 13.720946] eth0: left allmulticast mode [ 13.720980] eth0: left promiscuous mode [ 13.721020] br0: port 1(eth0) entered disabled state [ 13.744840] ------------[ cut here ]------------ [ 13.744903] refcount_t: underflow; use-after-free. [ 13.744957] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 13.745029] Modules linked in: [ 13.745063] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 13.745164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.745223] Workqueue: netns cleanup_net [ 13.745275] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 13.745323] Code: a6 e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 d5 a6 e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5 [ 13.745447] RSP: 0018:ffff9bfc8025fd50 EFLAGS: 00010286 [ 13.745488] RAX: 0000000000000000 RBX: ffff9bfc8025fd60 RCX: 00000000ffffdfff [ 13.745543] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 13.745593] RBP: ffff9bfc8025f858 R08: ffffffffa755ba28 R09: 00000000ffffdfff [ 13.745650] R10: ffffffffa747ba40 R11: ffffffffa752ba40 R12: dead000000000122 [ 13.745706] R13: 00000000fffba14e R14: 0000000000000001 R15: ffff88efc4bb6000 [ 13.745784] FS: 0000000000000000(0000) GS:ffff88f056f91000(0000) knlGS:0000000000000000 [ 13.745846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.745913] CR2: 00007ffe78bed6e8 CR3: 000000000616e005 CR4: 0000000000772ef0 [ 13.745993] PKRU: 55555554 [ 13.746025] Call Trace: [ 13.746053] [ 13.746074] netdev_run_todo+0x21a/0x550 [ 13.746108] ops_undo_list+0x1e3/0x1f0 [ 13.746142] cleanup_net+0x1b7/0x300 [ 13.746184] process_one_work+0x162/0x380 [ 13.746239] worker_thread+0x299/0x3c0 [ 13.746286] ? rescuer_thread+0x4c0/0x4c0 [ 13.746331] kthread+0x101/0x1f0 [ 13.746375] ? kthreads_online_cpu+0x110/0x110 [ 13.746435] ? kthreads_online_cpu+0x110/0x110 [ 13.746498] ret_from_fork+0x11c/0x140 [ 13.746548] ? kthreads_online_cpu+0x110/0x110 [ 13.746607] ret_from_fork_asm+0x11/0x20 [ 13.746648] [ 13.746666] ---[ end trace 0000000000000000 ]--- [ 14.582906] eth0: renamed from r1h1 [ 14.624941] eth0: renamed from r2h1 [ 14.666919] eth2: renamed from r2h2 [ 14.705002] eth1: renamed from r2r1 [ 14.877089] br0: port 1(eth0) entered blocking state [ 14.877206] br0: port 1(eth0) entered disabled state [ 14.877292] eth0: entered allmulticast mode [ 14.877400] eth0: entered promiscuous mode [ 14.877580] br0: port 1(eth0) entered blocking state [ 14.877657] br0: port 1(eth0) entered forwarding state [ 14.888109] br0: port 2(eth1) entered blocking state [ 14.888170] br0: port 2(eth1) entered disabled state [ 14.888226] eth1: entered allmulticast mode [ 14.888293] eth1: entered promiscuous mode [ 14.888405] br0: port 2(eth1) entered blocking state [ 14.888448] br0: port 2(eth1) entered forwarding state [ 25.760510] eth1: left allmulticast mode [ 25.760584] eth1: left promiscuous mode [ 25.760632] br0: port 2(eth1) entered disabled state [ 25.760795] eth0: left allmulticast mode [ 25.760861] eth0: left promiscuous mode [ 25.760898] br0: port 1(eth0) entered disabled state [ 26.500897] eth0: renamed from r1h1 [ 26.524895] eth0: renamed from r2h1 [ 26.568898] eth2: renamed from r2h2 [ 26.605953] eth1: renamed from r2r1 [ 26.656167] br0: port 1(eth0) entered blocking state [ 26.656278] br0: port 1(eth0) entered disabled state [ 26.656348] eth0: entered allmulticast mode [ 26.656448] eth0: entered promiscuous mode [ 26.656621] br0: port 1(eth0) entered blocking state [ 26.656685] br0: port 1(eth0) entered forwarding state [ 26.666498] br0: port 2(eth1) entered blocking state [ 26.666557] br0: port 2(eth1) entered disabled state [ 26.666605] eth1: entered allmulticast mode [ 26.666663] eth1: entered promiscuous mode [ 26.666769] br0: port 2(eth1) entered blocking state [ 26.666817] br0: port 2(eth1) entered forwarding state [ 37.585601] eth1: left allmulticast mode [ 37.585686] eth1: left promiscuous mode [ 37.585747] br0: port 2(eth1) entered disabled state [ 37.585922] eth0: left allmulticast mode [ 37.585986] eth0: left promiscuous mode [ 37.586038] br0: port 1(eth0) entered disabled state [ 38.395972] eth0: renamed from r1h1 [ 38.423903] eth0: renamed from r2h1 [ 38.461949] eth2: renamed from r2h2 [ 38.495900] eth1: renamed from r2r1 [ 38.645035] br0: port 1(eth0) entered blocking state [ 38.645099] br0: port 1(eth0) entered disabled state [ 38.645147] eth0: entered allmulticast mode [ 38.645221] eth0: entered promiscuous mode [ 38.645348] br0: port 1(eth0) entered blocking state [ 38.645388] br0: port 1(eth0) entered forwarding state [ 38.654635] br0: port 2(eth1) entered blocking state [ 38.654718] br0: port 2(eth1) entered disabled state [ 38.654785] eth1: entered allmulticast mode [ 38.654867] eth1: entered promiscuous mode [ 38.654981] br0: port 2(eth1) entered blocking state [ 38.655034] br0: port 2(eth1) entered forwarding state [ 49.573032] eth1: left allmulticast mode [ 49.573163] eth1: left promiscuous mode [ 49.573249] br0: port 2(eth1) entered disabled state [ 49.573588] eth0: left allmulticast mode [ 49.573650] eth0: left promiscuous mode [ 49.573716] br0: port 1(eth0) entered disabled state