bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6332/1:b..l rcu: (detected by 1, t=10502 jiffies, g=17173, q=337 ncpus=2) task:modprobe state:R running task stack:26384 pid:6332 ppid:57 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6710 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022 irqentry_exit+0x35/0x80 kernel/entry/common.c:433 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline] RIP: 0010:write_comp_data+0x18/0x90 kernel/kcov.c:235 Code: 48 8b 80 f8 15 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 65 8b 05 c1 b6 7d 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 89 f8 <65> 48 8b 14 25 80 b9 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 RSP: 0018:ffffc900148873c0 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 1ffff92002910e79 RCX: ffffffff81e30179 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000c8f6 R12: ffffc900148873e8 R13: 0000000000002800 R14: dffffc0000000000 R15: 0000004f2086152e save_stack+0xb9/0x1f0 mm/page_owner.c:124 __reset_page_owner+0x5a/0x190 mm/page_owner.c:149 reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1161 [inline] free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443 __unfreeze_partials+0x21d/0x240 mm/slub.c:2647 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook+0x5a/0xd0 mm/slab.h:762 kmem_cache_alloc_bulk+0x40c/0x7c0 mm/slub.c:4048 mt_alloc_bulk lib/maple_tree.c:164 [inline] mas_alloc_nodes+0x39c/0x830 lib/maple_tree.c:1304 mas_node_count_gfp lib/maple_tree.c:1362 [inline] mas_preallocate+0x2b1/0x370 lib/maple_tree.c:5547 vma_iter_prealloc mm/internal.h:1032 [inline] __split_vma+0x1c7/0x830 mm/mmap.c:2349 do_vmi_align_munmap+0x2bd/0x1710 mm/mmap.c:2464 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2624 mmap_region+0x194/0x2650 mm/mmap.c:2674 do_mmap+0x884/0xee0 mm/mmap.c:1363 vm_mmap_pgoff+0x1a6/0x3b0 mm/util.c:543 ksys_mmap_pgoff+0x422/0x5b0 mm/mmap.c:1409 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab9d8eeb74 RSP: 002b:00007ffd2ddcdec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007ffd2ddcdf78 RCX: 00007fab9d8eeb74 RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007fab9d7fb000 RBP: 00007ffd2ddce660 R08: 0000000000000000 R09: 000000000019d000 R10: 0000000000000812 R11: 0000000000000246 R12: 00007fab9d8d15c0 R13: 00007ffd2ddce6e8 R14: 000000000019d264 R15: 0000000000000000 net_ratelimit: 18222 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:17:08:49:65:69, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:17:08:49:65:69, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) net_ratelimit: 19995 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:17:08:49:65:69, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:17:08:49:65:69, vlan:0)