bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:22:4f:d4:f5:0a, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz.4.317:1086] Modules linked in: CPU: 1 PID: 1086 Comm: syz.4.317 Not tainted 5.15.152-syzkaller-00143-g70e1a731d986 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:46 [inline] RIP: 0010:unwind_get_return_address+0x16/0x90 arch/x86/kernel/unwind_frame.c:16 Code: 40 81 ad 86 e8 6b aa 7d 00 eb a1 cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df <48> 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 83 3b 00 74 3a 48 RSP: 0018:ffffc900001d0138 EFLAGS: 00000202 RAX: 00000000001d0101 RBX: ffffc900001d0160 RCX: 00000000001d0101 RDX: 1ffff9200003a02e RSI: ffffc90000c8f978 RDI: ffffc900001d0160 RBP: ffffc900001d0150 R08: ffffc900001d0248 R09: 0000000000000012 R10: ffffc900001d0250 R11: dffffc0000000001 R12: ffff88810dc5bb40 R13: ffffffff815f5d90 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555555f7a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c1d84 CR3: 00000001295f8000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253 skb_clone+0x1d1/0x360 net/core/skbuff.c:1547 deliver_clone net/bridge/br_forward.c:125 [inline] maybe_deliver+0x1a4/0x2a0 net/bridge/br_forward.c:189 br_flood+0x2e5/0x420 net/bridge/br_forward.c:231 br_handle_frame_finish+0xf06/0x1270 net/bridge/br_input.c:175 nf_hook_bridge_pre net/bridge/br_input.c:259 [inline] br_handle_frame+0x8ea/0xf30 net/bridge/br_input.c:377 __netif_receive_skb_core+0x11af/0x3640 net/core/dev.c:5386 __netif_receive_skb_one_core net/core/dev.c:5490 [inline] __netif_receive_skb+0x11c/0x530 net/core/dev.c:5606 process_backlog+0x31c/0x650 net/core/dev.c:6483 __napi_poll+0xc4/0x5a0 net/core/dev.c:7042 napi_poll net/core/dev.c:7109 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7196 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x848/0x9b0 kernel/smp.c:969 Code: 89 fe 83 e6 01 31 ff e8 76 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 b1 a4 0a 00 eb 38 f3 90 42 0f b6 04 3b <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 95 a4 0a 00 eb e4 44 RSP: 0018:ffffc90000c8f860 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 1ffff1103ee07af1 RCX: ffff88810dc5bb40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000c8f978 R08: ffffffff81659daa R09: ffffed103ee271d3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff8881f703d788 R14: ffff8881f7138e80 R15: dffffc0000000000 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1201 [inline] text_poke_bp_batch+0x1c4/0x5d0 arch/x86/kernel/alternative.c:1392 text_poke_flush arch/x86/kernel/alternative.c:1560 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1567 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459 jump_label_update+0x3af/0x450 kernel/jump_label.c:830 static_key_disable_cpuslocked+0xcd/0x1b0 kernel/jump_label.c:207 static_key_disable+0x1a/0x30 kernel/jump_label.c:215 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x60a/0x900 kernel/tracepoint.c:551 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:1954 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2880 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2451 bpf_link_put kernel/bpf/syscall.c:2477 [inline] bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2485 __fput+0x3fe/0x910 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa856a3c9f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc22b8c2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fa856bdaa80 RCX: 00007fa856a3c9f9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fa856bdaa80 R08: 0000000000000006 R09: 00007ffc22b8c5df R10: 00000000003ffd34 R11: 0000000000000246 R12: 000000000000cf93 R13: 00007ffc22b8c3f0 R14: 00007ffc22b8c410 R15: ffffffffffffffff Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 641 Comm: kworker/0:5 Not tainted 5.15.152-syzkaller-00143-g70e1a731d986 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events bpf_map_free_deferred RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline] RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:912 Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 5a 02 13 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc900000078c0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000000f1c RCX: 00000000874fe200 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff874fe280 RBP: ffffc90000007970 R08: dffffc0000000000 R09: 0000000000000000 R10: fffffbfff0e9fc50 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffffff874fe280 R14: 0000000000000003 R15: 1ffff92000000f20 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556e704a8 CR3: 000000010cd89000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:199 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 free_percpu+0x9e/0x1090 mm/percpu.c:2279 snmp6_free_dev net/ipv6/addrconf_core.c:249 [inline] in6_dev_finish_destroy_rcu+0x84/0xa0 net/ipv6/addrconf_core.c:256 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 do_softirq+0xf6/0x150 kernel/softirq.c:452 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210 sock_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945 bpf_prog_bc4ba9860fbb0da4+0x3e/0x298 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1918 __bpf_trace_percpu_free_percpu+0x2b/0x40 include/trace/events/percpu.h:43 trace_percpu_free_percpu include/trace/events/percpu.h:43 [inline] free_percpu+0xd12/0x1090 mm/percpu.c:2306 htab_free_elems kernel/bpf/hashtab.c:282 [inline] prealloc_destroy+0x156/0x2c0 kernel/bpf/hashtab.c:376 htab_map_free+0x68/0x5d0 kernel/bpf/hashtab.c:1470 bpf_map_free_deferred+0x10d/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 net_ratelimit: 8604 callbacks suppressed 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:be:22:4f:d4:f5:0a, 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:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:22:4f:d4:f5:0a, 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 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) net_ratelimit: 10964 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:22:4f:d4:f5:0a, 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:be:22:4f:d4:f5:0a, 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 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 veth0_to_bridge with own address as source address (addr:be:22:4f:d4:f5:0a, 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:be:22:4f:d4:f5:0a, vlan:0)