rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10499 ticks this GP) idle=7b94/1/0x4000000000000000 softirq=10183/10183 fqs=0
	(t=10501 jiffies g=10749 q=100 ncpus=2)
rcu: rcu_preempt kthread starved for 10502 jiffies! g10749 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:25016 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:need_resched include/linux/sched.h:2231 [inline]
RIP: 0010:schedule+0xd6/0x180 kernel/sched/core.c:6636
Code: 74 39 bf 01 00 00 00 e8 48 c9 ca f6 31 ff e8 f1 b9 ff ff bf 01 00 00 00 e8 b7 ca ca f6 4c 89 e7 be 08 00 00 00 e8 3a 85 4e f7 <42> 80 3c 3b 00 74 c7 4c 89 e7 e8 9b 83 4e f7 eb bd 4d 89 e6 49 83
RSP: 0018:ffffc90000157b98 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 1ffff11027fd5b28 RCX: ffffffff8a938926
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88813fead940
RBP: ffffc90000157cb0 R08: dffffc0000000000 R09: ffffed1027fd5b29
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88813fead940
R13: 1ffff9200002af78 R14: ffff88813feaebb8 R15: dffffc0000000000
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3610 Comm: kworker/0:3 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue:  0x0 (events)
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
RIP: 0010:lock_is_held_type+0x10a/0x180 kernel/locking/lockdep.c:5706
Code: c0 31 ed 44 39 f0 40 0f 94 c5 eb 05 bd 01 00 00 00 48 c7 c7 40 13 ec 8a e8 13 16 00 00 b8 ff ff ff ff 65 0f c1 05 46 6d 77 75 <83> f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02
RSP: 0018:ffffc90000007b10 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000002 RCX: dffffc0000000000
RDX: 1ffffffff1fd3e00 RSI: ffffffff8aec1340 RDI: ffffffff8b3d45e0
RBP: 0000000000000001 R08: ffffffff8fe9f000 R09: ffffffff8fe9f008
R10: ffffffff8fe9f018 R11: ffffffff8fe9f010 R12: 0000000000000046
R13: ffff8880782b9dc0 R14: 00000000ffffffff R15: ffff8880b983aa18
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32951000 CR3: 000000004ec9b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:283 [inline]
 lockdep_assert_rq_held kernel/sched/sched.h:1345 [inline]
 update_rq_clock+0x8d/0x870 kernel/sched/core.c:732
 ttwu_queue kernel/sched/core.c:3904 [inline]
 try_to_wake_up+0x756/0x12e0 kernel/sched/core.c:4228
 signal_wake_up_state kernel/signal.c:780 [inline]
 signal_wake_up include/linux/sched/signal.h:457 [inline]
 complete_signal+0x796/0xbd0 kernel/signal.c:1074
 __send_signal_locked+0xb1a/0xdc0 kernel/signal.c:1194
 do_send_sig_info kernel/signal.c:1300 [inline]
 group_send_sig_info+0x28a/0x300 kernel/signal.c:1448
 do_bpf_send_signal+0x81/0x150 kernel/trace/bpf_trace.c:839
 irq_work_single+0xd5/0x230 kernel/irq_work.c:211
 irq_work_run_list kernel/irq_work.c:242 [inline]
 irq_work_run+0x187/0x350 kernel/irq_work.c:251
 __sysvec_irq_work+0xbb/0x360 arch/x86/kernel/irq_work.c:22
 sysvec_irq_work+0x89/0xb0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5124
Code: 37 0b 00 48 83 c4 08 4c 89 f7 e8 98 30 00 00 0f 1f 44 00 00 4c 89 f7 e8 7b 20 36 09 e8 36 26 32 00 fb 49 8d bc 24 f8 15 00 00 <48> 89 f8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc90003f2fa08 EFLAGS: 00000286
RAX: a682157bab790800 RBX: ffff88807a34bbb4 RCX: ffffffff91c94103
RDX: dffffc0000000000 RSI: ffffffff8aec01c0 RDI: ffff8880782bb3b8
RBP: ffffc90003f2fa50 R08: dffffc0000000000 R09: ffffed1017307541
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880782b9dc0
R13: 1ffff110173076eb R14: ffff8880b983aa00 R15: ffff8880b983b758
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0x1435/0x4550 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_count_add+0x5/0x180 kernel/sched/core.c:5698
Code: e1 07 80 c1 03 38 c1 7c 97 48 8b 3c 24 e8 83 ba 83 00 eb 8c e9 f2 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 53 <89> fb 48 c7 c0 60 41 c9 91 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc90003f2fda8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff1100f0573b8 RCX: ffffffff8a938926
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff888020d7ea68 R08: dffffc0000000000 R09: ffffed100f0573b9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880782b9dc0
R13: dffffc0000000000 R14: ffff8880782bb038 R15: dffffc0000000000
 schedule+0xb8/0x180 kernel/sched/core.c:6633
 worker_thread+0xe9d/0x1200 kernel/workqueue.c:2460
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
CPU: 1 PID: 3626 Comm: kworker/1:6 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events switchdev_deferred_process_work
RIP: 0010:finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5124
Code: 37 0b 00 48 83 c4 08 4c 89 f7 e8 98 30 00 00 0f 1f 44 00 00 4c 89 f7 e8 7b 20 36 09 e8 36 26 32 00 fb 49 8d bc 24 f8 15 00 00 <48> 89 f8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc9000438f3e8 EFLAGS: 00000282
RAX: 8a8e849e20803e00 RBX: ffff888015f39df4 RCX: ffffffff816acf0a
RDX: dffffc0000000000 RSI: ffffffff8aec01c0 RDI: ffff888022815178
RBP: ffffc9000438f430 R08: dffffc0000000000 R09: fffffbfff209385f
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022813b80
R13: 1ffff110173276eb R14: ffff8880b993aa00 R15: ffff8880b993b758
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e1d1f5f80 CR3: 000000004ec9b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0x1435/0x4550 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__kasan_check_read+0x0/0x10 mm/kasan/shadow.c:31
Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 f5 dc 90 8c eb 0a 48 c7 c7 2d dd 90 8c 4c 89 fe e8 56 f6 a6 08 31 db eb d7 cc cc <89> f6 48 8b 0c 24 31 d2 e9 d3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24
RSP: 0018:ffffc9000438f778 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888022813b80 RCX: 1ffff92000871ed8
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888022813b80
RBP: ffffc9000438f838 R08: dffffc0000000000 R09: fffffbfff209385f
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000871ef8
R13: 0000000000000001 R14: ffffffff8a938b59 R15: dffffc0000000000
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 test_ti_thread_flag include/linux/thread_info.h:118 [inline]
 need_resched include/linux/sched.h:2231 [inline]
 preempt_schedule_common+0xa6/0xd0 kernel/sched/core.c:6735
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 try_to_wake_up+0x87e/0x12e0 kernel/sched/core.c:4234
 wake_up_process kernel/sched/core.c:4362 [inline]
 wake_up_q+0x8b/0xd0 kernel/sched/core.c:1007
 __mutex_unlock_slowpath+0x6f6/0x750 kernel/locking/mutex.c:951
 __rtnl_unlock+0x68/0xe0 net/core/rtnetlink.c:133
 netdev_run_todo+0x351/0xf40 net/core/dev.c:10373
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>