rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10189/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=49617, q=308 ncpus=2)
task:syz-executor.1  state:R  running task     stack:27088 pid:10189 tgid:10182 ppid:7663   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x10/0x150 kernel/locking/lockdep.c:5810
Code: 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 41 55 41 bd ff ff ff ff <41> 54 55 53 48 83 ec 08 8b 0d 3a be fc 04 85 c9 0f 84 dd 00 00 00
RSP: 0018:ffffc90003477a08 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 00000000ffffffff RDI: ffffffff8dbb1820
RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff284d658
R10: ffffffff9426b2c7 R11: 0000000000000001 R12: ffff88805bfeb800
R13: 00000000ffffffff R14: ffffed10059e9cda R15: ffffffff81f0c5bf
 lock_is_held include/linux/lockdep.h:231 [inline]
 rcu_read_lock_sched_held kernel/rcu/update.c:126 [inline]
 rcu_read_lock_sched_held+0x3e/0x70 kernel/rcu/update.c:120
 task_css include/linux/cgroup.h:434 [inline]
 mem_cgroup_from_task mm/memcontrol.c:1214 [inline]
 get_mem_cgroup_from_mm+0x19f/0x4c0 mm/memcontrol.c:1267
 __mem_cgroup_charge+0x1a/0x280 mm/memcontrol.c:7511
 mem_cgroup_charge include/linux/memcontrol.h:691 [inline]
 folio_prealloc mm/memory.c:1056 [inline]
 alloc_anon_folio mm/memory.c:4403 [inline]
 do_anonymous_page mm/memory.c:4461 [inline]
 do_pte_missing mm/memory.c:3901 [inline]
 handle_pte_fault mm/memory.c:5380 [inline]
 __handle_mm_fault+0x2cef/0x53f0 mm/memory.c:5523
 handle_mm_fault+0x476/0xa00 mm/memory.c:5688
 faultin_page mm/gup.c:1290 [inline]
 __get_user_pages+0x473/0x1490 mm/gup.c:1589
 __get_user_pages_locked mm/gup.c:1857 [inline]
 faultin_page_range+0x24a/0x980 mm/gup.c:2081
 madvise_populate mm/madvise.c:943 [inline]
 do_madvise+0x51d/0x7a0 mm/madvise.c:1461
 __do_sys_madvise mm/madvise.c:1481 [inline]
 __se_sys_madvise mm/madvise.c:1479 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1479
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f102ce7cf69
RSP: 002b:00007f102dbee0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f102cfb4070 RCX: 00007f102ce7cf69
RDX: 0000000000000017 RSI: 0000000000800000 RDI: 00000000200ec000
RBP: 00007f102ceda706 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f102cfb4070 R15: 00007fff467872b8
 </TASK>
rcu: rcu_preempt kthread starved for 10478 jiffies! g49617 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:27680 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </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 PID: 10196 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00007-gf06ce441457d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:rcu_is_watching+0x80/0xc0 kernel/rcu/tree.c:725
Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 24 8b 03 c1 e8 02 83 e0 01 65 ff 0d b8 a0 8f 7e <74> 07 5b 5d c3 cc cc cc cc e8 c2 68 8c ff 5b 5d c3 cc cc cc cc 48
RSP: 0018:ffffc900038dfed0 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffff8880b9337f28 RCX: ffffffff81953356
RDX: 0000000000000000 RSI: ffffffff8b8fff80 RDI: ffffffff8d4cfb48
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff1fc8c92
R10: ffffffff8fe46497 R11: 0000000000000000 R12: 000000000003d94c
R13: 000000000000000f R14: 0000000000000000 R15: 0000000000000000
FS:  00007f46856a66c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3163c000 CR3: 00000000254f0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 trace_irq_disable.constprop.0+0xe4/0x130 include/trace/events/preemptirq.h:36
 local_irq_disable_exit_to_user include/linux/entry-common.h:231 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:206 [inline]
 syscall_exit_to_user_mode+0x203/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f468487cf67
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007f46856a6178 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f46849b3fa8 RCX: 00007f468487cf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f46849b3fa8
RBP: 00007f46849b3fa0 R08: 00007f46856a66c0 R09: 00007f46856a66c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46849b3fac
R13: 000000000000000b R14: 00007ffe79556db0 R15: 00007ffe79556e98
 </TASK>