[ 2.993936] eth0: renamed from r1h1 [ 3.028951] eth0: renamed from r2h1 [ 3.076930] eth2: renamed from r2h2 [ 3.127937] eth1: renamed from r2r1 [ 3.192468] br0: port 1(eth0) entered blocking state [ 3.192579] br0: port 1(eth0) entered disabled state [ 3.192651] eth0: entered allmulticast mode [ 3.192814] eth0: entered promiscuous mode [ 3.193026] br0: port 1(eth0) entered blocking state [ 3.193112] br0: port 1(eth0) entered forwarding state [ 3.206196] br0: port 2(eth1) entered blocking state [ 3.206289] br0: port 2(eth1) entered disabled state [ 3.206352] eth1: entered allmulticast mode [ 3.206447] eth1: entered promiscuous mode [ 3.206606] br0: port 2(eth1) entered blocking state [ 3.206668] br0: port 2(eth1) entered forwarding state [ 14.253160] eth1: left allmulticast mode [ 14.253326] eth1: left promiscuous mode [ 14.253432] br0: port 2(eth1) entered disabled state [ 14.253679] eth0: left allmulticast mode [ 14.253789] eth0: left promiscuous mode [ 14.253874] br0: port 1(eth0) entered disabled state [ 14.268780] ------------[ cut here ]------------ [ 14.268915] refcount_t: underflow; use-after-free. [ 14.269020] WARNING: CPU: 2 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 14.269136] Modules linked in: [ 14.269213] CPU: 2 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 14.269333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.269426] Workqueue: netns cleanup_net [ 14.269505] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 14.269589] Code: b5 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 75 b5 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 [ 14.269799] RSP: 0018:ffffa28ac024fd50 EFLAGS: 00010286 [ 14.269883] RAX: 0000000000000000 RBX: ffffa28ac024fd60 RCX: 00000000ffffdfff [ 14.269989] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 14.270094] RBP: ffffa28ac024f858 R08: ffffffffb5f5ba28 R09: 00000000ffffdfff [ 14.270200] R10: ffffffffb5e7ba40 R11: ffffffffb5f2ba40 R12: dead000000000122 [ 14.270306] R13: 00000000fffba356 R14: 0000000000000001 R15: ffff8f5404a77000 [ 14.270416] FS: 0000000000000000(0000) GS:ffff8f5488691000(0000) knlGS:0000000000000000 [ 14.270523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.270615] CR2: 00000000004061e9 CR3: 0000000002f78005 CR4: 0000000000772ef0 [ 14.270720] PKRU: 55555554 [ 14.270787] Call Trace: [ 14.270849] [ 14.270926] netdev_run_todo+0x21a/0x550 [ 14.271034] ops_undo_list+0x1e3/0x1f0 [ 14.271104] cleanup_net+0x1b7/0x300 [ 14.271184] process_one_work+0x162/0x380 [ 14.271263] worker_thread+0x299/0x3c0 [ 14.271334] ? rescuer_thread+0x4c0/0x4c0 [ 14.271399] kthread+0x101/0x1f0 [ 14.271474] ? kthreads_online_cpu+0x110/0x110 [ 14.271564] ? kthreads_online_cpu+0x110/0x110 [ 14.271646] ret_from_fork+0x11c/0x140 [ 14.271717] ? kthreads_online_cpu+0x110/0x110 [ 14.271831] ret_from_fork_asm+0x11/0x20 [ 14.271915] [ 14.271989] ---[ end trace 0000000000000000 ]--- [ 15.297939] eth0: renamed from r1h1 [ 15.329948] eth0: renamed from r2h1 [ 15.374972] eth2: renamed from r2h2 [ 15.424946] eth1: renamed from r2r1 [ 15.625518] br0: port 1(eth0) entered blocking state [ 15.625668] br0: port 1(eth0) entered disabled state [ 15.625751] eth0: entered allmulticast mode [ 15.625903] eth0: entered promiscuous mode [ 15.626035] br0: port 1(eth0) entered blocking state [ 15.626108] br0: port 1(eth0) entered forwarding state [ 15.638209] br0: port 2(eth1) entered blocking state [ 15.638290] br0: port 2(eth1) entered disabled state [ 15.638356] eth1: entered allmulticast mode [ 15.638457] eth1: entered promiscuous mode [ 15.638560] br0: port 2(eth1) entered blocking state [ 15.638619] br0: port 2(eth1) entered forwarding state [ 26.700413] eth1: left allmulticast mode [ 26.700494] eth1: left promiscuous mode [ 26.700562] br0: port 2(eth1) entered disabled state [ 26.700781] eth0: left allmulticast mode [ 26.700821] eth0: left promiscuous mode [ 26.700865] br0: port 1(eth0) entered disabled state [ 27.741001] eth0: renamed from r1h1 [ 27.776993] eth0: renamed from r2h1 [ 27.826954] eth2: renamed from r2h2 [ 27.876017] eth1: renamed from r2r1 [ 27.942924] br0: port 1(eth0) entered blocking state [ 27.943027] br0: port 1(eth0) entered disabled state [ 27.943087] eth0: entered allmulticast mode [ 27.943178] eth0: entered promiscuous mode [ 27.943308] br0: port 1(eth0) entered blocking state [ 27.943370] br0: port 1(eth0) entered forwarding state [ 27.955468] br0: port 2(eth1) entered blocking state [ 27.955548] br0: port 2(eth1) entered disabled state [ 27.955604] eth1: entered allmulticast mode [ 27.955694] eth1: entered promiscuous mode [ 27.955816] br0: port 2(eth1) entered blocking state [ 27.955878] br0: port 2(eth1) entered forwarding state [ 39.104782] eth1: left allmulticast mode [ 39.104858] eth1: left promiscuous mode [ 39.104923] br0: port 2(eth1) entered disabled state [ 39.105183] eth0: left allmulticast mode [ 39.105236] eth0: left promiscuous mode [ 39.105285] br0: port 1(eth0) entered disabled state [ 40.054964] eth0: renamed from r1h1 [ 40.091962] eth0: renamed from r2h1 [ 40.140950] eth2: renamed from r2h2 [ 40.185970] eth1: renamed from r2r1 [ 40.368229] br0: port 1(eth0) entered blocking state [ 40.368446] br0: port 1(eth0) entered disabled state [ 40.368507] eth0: entered allmulticast mode [ 40.368600] eth0: entered promiscuous mode [ 40.368750] br0: port 1(eth0) entered blocking state [ 40.368810] br0: port 1(eth0) entered forwarding state [ 40.382095] br0: port 2(eth1) entered blocking state [ 40.382228] br0: port 2(eth1) entered disabled state [ 40.382318] eth1: entered allmulticast mode [ 40.382445] eth1: entered promiscuous mode [ 40.382608] br0: port 2(eth1) entered blocking state [ 40.382695] br0: port 2(eth1) entered forwarding state [ 51.529473] eth1: left allmulticast mode [ 51.529556] eth1: left promiscuous mode [ 51.529634] br0: port 2(eth1) entered disabled state [ 51.529839] eth0: left allmulticast mode [ 51.529887] eth0: left promiscuous mode [ 51.529936] br0: port 1(eth0) entered disabled state