bridge0: received packet on veth1_to_bridge with own address as source address (addr:6a:79:04:7f:a2:1f, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P11061/1:b..l rcu: (detected by 0, t=10589 jiffies, g=49373, q=1148 ncpus=2) task:syz.0.1219 state:R running task stack:26680 pid:11061 tgid:11060 ppid:5617 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5533 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7284 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7606 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x910 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:deref_stack_reg+0x1ac/0x220 arch/x86/kernel/unwind_orc.c:422 Code: 30 4c 89 c7 49 89 f7 e8 12 07 00 00 49 89 c6 48 8b 5c 24 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 54 d7 bf 00 <4c> 89 33 b0 01 eb 02 31 c0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc9000ec96f58 EFLAGS: 00000246 RAX: 1ffff92001d92e11 RBX: ffffc9000ec97088 RCX: 0000000000000001 RDX: ffffc9000ec97088 RSI: dffffc0000000000 RDI: ffffc9000ec97170 RBP: ffffc9000ec90000 R08: ffffc9000ec97170 R09: 0000000000000000 R10: ffffc9000ec97098 R11: fffff52001d92e15 R12: 1ffff92001d92e0a R13: 1ffff92001d92e0b R14: ffffc9000ec972b8 R15: dffffc0000000000 unwind_next_frame+0x19bd/0x2550 arch/x86/kernel/unwind_orc.c:-1 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:183 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:338 reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962 __slab_free+0x274/0x2c0 mm/slub.c:5823 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_node_noprof+0x3d1/0x620 mm/slub.c:5582 _kmalloc_node_noprof include/linux/slab.h:1196 [inline] __get_vm_area_node+0x155/0x2f0 mm/vmalloc.c:3237 __vmalloc_node_range_noprof+0x343/0x1540 mm/vmalloc.c:4064 __vmalloc_node_noprof mm/vmalloc.c:4165 [inline] __vmalloc_noprof+0xd2/0x120 mm/vmalloc.c:4181 bpf_prog_calc_tag+0x51/0x370 kernel/bpf/core.c:310 check_and_resolve_insns+0xbb/0x21d0 kernel/bpf/verifier.c:19239 bpf_check+0x18f9/0x2ef0 kernel/bpf/verifier.c:21339 bpf_prog_load+0x14d6/0x1c20 kernel/bpf/syscall.c:3133 __sys_bpf+0xd0d/0xd90 kernel/bpf/syscall.c:6370 __do_sys_bpf kernel/bpf/syscall.c:6489 [inline] __se_sys_bpf kernel/bpf/syscall.c:6486 [inline] __x64_sys_bpf+0xba/0xd0 kernel/bpf/syscall.c:6486 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f51a519e159 RSP: 002b:00007f51a33f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f51a5425fa0 RCX: 00007f51a519e159 RDX: 0000000000000080 RSI: 0000200000000600 RDI: 0000000000000005 RBP: 00007f51a523506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f51a5426038 R14: 00007f51a5425fa0 R15: 00007ffe84c7a718