bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7760/2:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=20145, q=1256 ncpus=2)
task:syz.0.431       state:R  running task     stack:26480 pid:7760  tgid:7750  ppid:5824   task_flags:0x400040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6855
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7182
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:check_kcov_mode kernel/kcov.c:185 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x70 kernel/kcov.c:217
Code: 8b 05 e9 5f ea 11 a9 00 01 ff 00 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 6c 16 00 00 85 c0 74 2b <8b> 82 48 16 00 00 83 f8 02 75 20 48 8b 8a 50 16 00 00 8b 92 4c 16
RSP: 0018:ffffc900034474e8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffc90003447788 RCX: ffffffff8b5c5fc4
RDX: ffff88802a2a8000 RSI: ffffffff8b5c5fd2 RDI: 0000000000000005
RBP: ffff888055d323c2 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000a0fe4d14 R12: 0000000000000000
R13: ffffc900034477a0 R14: ffff888033e11710 R15: 000000000000099f
 xa_head include/linux/xarray.h:1210 [inline]
 xas_start+0x472/0x790 lib/xarray.c:191
 xas_load+0x22/0x5b0 lib/xarray.c:239
 xas_find+0x573/0x890 lib/xarray.c:1406
 xas_next_entry+0x267/0x3c0 include/linux/xarray.h:1733
 next_uptodate_folio+0x29/0x4a0 mm/filemap.c:3684
 filemap_map_pages+0x1d1/0x1e00 mm/filemap.c:3867
 do_fault_around mm/memory.c:5674 [inline]
 do_read_fault mm/memory.c:5707 [inline]
 do_fault mm/memory.c:5850 [inline]
 do_pte_missing+0xe9e/0x4000 mm/memory.c:4362
 handle_pte_fault mm/memory.c:6234 [inline]
 __handle_mm_fault+0x154b/0x2ad0 mm/memory.c:6366
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6535
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x605/0x33c0 mm/gup.c:1428
 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
 __mm_populate+0x1d8/0x380 mm/gup.c:1963
 mm_populate include/linux/mm.h:3455 [inline]
 vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:604
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea7c58f749
RSP: 002b:00007fea7d415038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fea7c7e6180 RCX: 00007fea7c58f749
RDX: b635773f06ebbee2 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007fea7c613f91 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fea7c7e6218 R14: 00007fea7c7e6180 R15: 00007fff69915f48
 </TASK>
rcu: rcu_preempt kthread starved for 9816 jiffies! g20145 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:28408 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6855
 __schedule_loop kernel/sched/core.c:6937 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6952
 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 76 76 02 e9 d3 2f 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 d3 2b 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197de8 EFLAGS: 000002c2
RAX: 0000000000a08717 RBX: 0000000000000001 RCX: ffffffff8b5e86f9
RDX: 0000000000000000 RSI: ffffffff8daa3473 RDI: ffffffff8bf1d300
RBP: ffffed1003ada498 R08: 0000000000000001 R09: ffffed10170a672d
R10: ffff8880b853396b R11: 00000000ffffffff R12: 0000000000000001
R13: ffff88801d6d24c0 R14: ffffffff9085ced0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10d5955e57 CR3: 0000000074202000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x38d/0x510 kernel/sched/idle.c:332
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x148
 </TASK>