bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:a2:f9:96:53:48, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5193/1:b..l rcu: (detected by 1, t=10503 jiffies, g=24921, q=411 ncpus=2) task:klogd state:R running task stack:21600 pid:5193 tgid:5193 ppid:1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5874 Code: 3c 3b 00 74 08 4c 89 f7 e8 e5 f7 8a 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc90003337820 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000666f16 RCX: ffffc90003337803 RDX: 0000000000000001 RSI: ffffffff8c0aa960 RDI: ffffffff8c5faee0 RBP: ffffc90003337948 R08: ffffffff901a35f7 R09: 1ffffffff20346be R10: dffffc0000000000 R11: fffffbfff20346bf R12: 1ffff92000666f10 R13: 0000000000000246 R14: ffffc900033378b0 R15: dffffc0000000000 rcu_lock_release include/linux/rcupdate.h:347 [inline] rcu_read_unlock include/linux/rcupdate.h:880 [inline] page_ext_put+0xa3/0xc0 mm/page_ext.c:550 __reset_page_owner+0x2de/0x430 mm/page_owner.c:300 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2657 discard_slab mm/slub.c:2688 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3157 put_cpu_partial+0x17c/0x250 mm/slub.c:3232 __slab_free+0x290/0x380 mm/slub.c:4483 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4119 [inline] slab_alloc_node mm/slub.c:4168 [inline] kmem_cache_alloc_lru_noprof+0x1dd/0x390 mm/slub.c:4187 __d_alloc+0x31/0x700 fs/dcache.c:1646 d_alloc_pseudo+0x1f/0xb0 fs/dcache.c:1778 alloc_path_pseudo fs/file_table.c:356 [inline] alloc_file_pseudo+0x123/0x290 fs/file_table.c:372 sock_alloc_file+0xb8/0x280 net/socket.c:468 sock_map_fd net/socket.c:493 [inline] __sys_socket+0x1dd/0x3c0 net/socket.c:1720 __do_sys_socket net/socket.c:1725 [inline] __se_sys_socket net/socket.c:1723 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1723 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc612af8bd7 RSP: 002b:00007ffddeff1958 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000000006f RCX: 00007fc612af8bd7 RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 RBP: 0000000000000002 R08: 0000000000000000 R09: 6368437dd1795a9d R10: 0000000000000008 R11: 0000000000000202 R12: 00007fc612b84bc0 R13: 00007fc612c86212 R14: 00007ffddeff1a88 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 2996 jiffies! g24921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26264 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ieee80211_get_link_sband net/mac80211/ieee80211_i.h:1666 [inline] RIP: 0010:__ieee80211_beacon_add_tim+0x87f/0xbc0 net/mac80211/tx.c:4953 Code: 48 03 00 00 e8 22 3f 58 f6 48 8d 9c dd a8 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 34 9f be f6 48 8b 1b 41 e8 fa 3e 58 f6 eb 24 e8 f3 3e 58 f6 c6 05 ee 21 bd 04 01 48 RSP: 0018:ffffc900001e7560 EFLAGS: 00000246 RAX: 1ffff1100547c115 RBX: ffff88802a3e30c8 RCX: ffff88801d2f8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000006 RBP: ffff88802a3e0700 R08: ffffffff8b4734c0 R09: 1ffffffff20346be R10: dffffc0000000000 R11: fffffbfff20346bf R12: ffff88802fef2900 R13: dffffc0000000000 R14: ffffffff8b4730bc R15: ffff88802a3e0e80 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fef11ff0000 CR3: 0000000082dce000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_add_tim net/mac80211/tx.c:4979 [inline] ieee80211_beacon_get_ap+0x595/0x1990 net/mac80211/tx.c:5334 __ieee80211_beacon_get+0x109e/0x15c0 net/mac80211/tx.c:5454 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 net_ratelimit: 8880 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 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:a2:f9:96:53:48, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:a2:f9:96:53:48, 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:1b, vlan:0) net_ratelimit: 9624 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 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:a2:f9:96:53:48, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:a2:f9:96:53:48, 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:1b, vlan:0)