rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=1f3/1/0x4000000000000000 softirq=50923/50924 fqs=0 
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P24295/1:b..l
	(detected by 1, t=10502 jiffies, g=71853, q=265)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16947 Comm: kworker/u4:4 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__kasan_check_write+0x0/0x10 mm/kasan/shadow.c:37
Code: b2 15 8c eb 0a 48 c7 c7 9a b2 15 8c 4c 89 fe e8 1f 7d 51 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 <89> f6 48 8b 0c 24 ba 01 00 00 00 e9 50 ef ff ff 55 41 56 53 48 89
RSP: 0018:ffffc90000007bd8 EFLAGS: 00000046
RAX: ffffffff883344ab RBX: 0000000000000001 RCX: ffff88801b475940
RDX: 0000000080010000 RSI: 0000000000000008 RDI: ffff88807c4e2988
RBP: ffffc90000007cb0 R08: ffffffff886b620e R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c4e2800
R13: dffffc0000000000 R14: 1ffff92000000f80 R15: 17c14ee918000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b3b5401b0 CR3: 000000008901b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:70 [inline]
 __netif_schedule+0x8d/0x310 net/core/dev.c:3073
 advance_sched+0x750/0x940 net/sched/sch_taprio.c:770
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_release+0x62d/0x9a0 kernel/locking/lockdep.c:5647
Code: 3c 3b 00 74 08 4c 89 f7 e8 50 37 67 00 f6 84 24 91 00 00 00 02 75 6f 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:ffffc90004847a40 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000908f5a RCX: ffffc90004847a03
RDX: 0000000000000002 RSI: ffffffff8a8b2220 RDI: ffffffff8ad87e40
RBP: ffffc90004847b80 R08: dffffc0000000000 R09: fffffbfff1bc73d6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000908f54
R13: 0000000000000246 R14: ffffc90004847ad0 R15: dffffc0000000000
 rcu_read_unlock include/linux/rcupdate.h:729 [inline]
 batadv_nc_process_nc_paths+0x2c2/0x350 net/batman-adv/network-coding.c:703
 batadv_nc_worker+0x3d4/0x5b0 net/batman-adv/network-coding.c:732
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
task:syz-executor.1  state:R  running task     stack:27168 pid:24295 ppid:  3547 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 preempt_schedule_notrace+0xf8/0x140 kernel/sched/core.c:6631
 preempt_schedule_notrace_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35
 rcu_lockdep_current_cpu_online+0x10b/0x130 kernel/rcu/tree.c:1175
 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
 rcu_read_lock_sched_held+0x74/0x130 kernel/rcu/update.c:123
 task_css include/linux/cgroup.h:496 [inline]
 mem_cgroup_from_task+0x49/0x110 mm/memcontrol.c:935
 get_obj_cgroup_from_current mm/memcontrol.c:2923 [inline]
 __memcg_kmem_charge_page+0x181/0x3a0 mm/memcontrol.c:3053
 memcg_kmem_charge_page include/linux/memcontrol.h:1696 [inline]
 memcg_charge_kernel_stack kernel/fork.c:416 [inline]
 dup_task_struct+0x988/0xb60 kernel/fork.c:902
 copy_process+0x5eb/0x3ef0 kernel/fork.c:2038
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone3 kernel/fork.c:2879 [inline]
 __se_sys_clone3+0x3e1/0x430 kernel/fork.c:2863
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6b3b4fab99
RSP: 002b:00007fff0fccaa58 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f6b3b4a3270 RCX: 00007f6b3b4fab99
RDX: 00007f6b3b4a3270 RSI: 0000000000000058 RDI: 00007fff0fccaaa0
RBP: 00007f6b39a4f6c0 R08: 00007f6b39a4f6c0 R09: 00007fff0fccab87
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffb0
R13: 000000000000000b R14: 00007fff0fccaaa0 R15: 00007fff0fccab88
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g71853 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=58546
rcu: rcu_preempt kthread starved for 10502 jiffies! g71853 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26776 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 24292 Comm: syz-executor.0 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1788
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xa93/0xd90 kernel/smp.c:969
Code: 04 03 84 c0 0f 85 84 00 00 00 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 cc ce 0b 00 41 83 e7 01 75 07 e8 61 cb 0b 00 eb 41 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 11 41 f7 45 00
RSP: 0018:ffffc90005927a00 EFLAGS: 00000293
RAX: ffffffff81746284 RBX: 1ffff110173483c1 RCX: ffff88803e940000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90005927b40 R08: ffffffff81746254 R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880b9a41e08 R14: ffff8880b9b3a780 R15: 0000000000000001
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1196 [inline]
 text_poke_bp_batch+0x2ad/0x830 arch/x86/kernel/alternative.c:1387
 text_poke_flush arch/x86/kernel/alternative.c:1555 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1562
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xca/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 tracepoint_remove_func kernel/tracepoint.c:417 [inline]
 tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551
 bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2872
 bpf_link_free kernel/bpf/syscall.c:2443 [inline]
 bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2469
 bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2477
 __fput+0x3bf/0x890 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7b7512ec9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007fff9567b0a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f7b7512ec9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000032 R08: 0000001b30520000 R09: 00000000000000b0
R10: 0000000081a6ef6c R11: 0000000000000293 R12: 00007f7b74cb2670
R13: ffffffffffffffff R14: 00007f7b74cb2000 R15: 00000000000f510a
 </TASK>