rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8528/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=66533, q=162 ncpus=2)
task:syz-executor.3 state:R running task stack:19776 pid:8528 tgid:8527 ppid:7107 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
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_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 0a 22 86 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900133cf4a0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92002679ea0 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1f1800
RBP: ffffc900133cf600 R08: ffffffff92f71587 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: 1ffff92002679e9c
R13: dffffc0000000000 R14: ffffc900133cf500 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
percpu_ref_get_many+0x36/0x140 include/linux/percpu-refcount.h:202
percpu_ref_get include/linux/percpu-refcount.h:222 [inline]
css_get include/linux/cgroup_refcnt.h:11 [inline]
mem_cgroup_commit_charge+0x9f/0x380 mm/memcontrol.c:3132
charge_memcg+0xb1/0x160 mm/memcontrol.c:7499
__mem_cgroup_charge+0x27/0x80 mm/memcontrol.c:7510
mem_cgroup_charge include/linux/memcontrol.h:691 [inline]
filemap_add_folio+0xb3/0x650 mm/filemap.c:965
do_read_cache_folio+0x10a/0x820 mm/filemap.c:3755
do_read_cache_page+0x30/0x200 mm/filemap.c:3854
read_mapping_page include/linux/pagemap.h:900 [inline]
dir_get_page fs/minix/dir.c:70 [inline]
minix_empty_dir+0x127/0x4f0 fs/minix/dir.c:369
minix_rename+0x222/0x910 fs/minix/namei.c:208
vfs_rename+0xbdb/0xf00 fs/namei.c:4887
do_renameat2+0xd94/0x13f0 fs/namei.c:5044
__do_sys_renameat fs/namei.c:5085 [inline]
__se_sys_renameat fs/namei.c:5082 [inline]
__x64_sys_renameat+0xbc/0xd0 fs/namei.c:5082
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: 0033:0x7f60fb87d0a9
RSP: 002b:00007f60fc6b40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000108
RAX: ffffffffffffffda RBX: 00007f60fb9b3f80 RCX: 00007f60fb87d0a9
RDX: 000000000000000c RSI: 0000000020000180 RDI: 000000000000000c
RBP: 00007f60fb8ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000200001c0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f60fb9b3f80 R15: 00007ffc22161d78
</TASK>
rcu: rcu_preempt kthread starved for 10498 jiffies! g66533 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:26448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
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
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 11879 Comm: syz-executor.3 Not tainted 6.10.0-rc4-syzkaller-00301-g5f583a3162ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a 9d ea f5 48 89 df e8 e2 df eb f5 e8 2d 9b 15 f6 fb bf 01 00 00 00 <e8> f2 ac dd f5 65 8b 05 13 e7 7b 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc90004abfb70 EFLAGS: 00000282
RAX: 44f6c03dc9dab700 RBX: ffff888026a04a00 RCX: ffffffff94769603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffffc90004abfc50 R08: ffffffff8fac20ef R09: 1ffffffff1f5841d
R10: dffffc0000000000 R11: fffffbfff1f5841e R12: 1ffff11004125124
R13: ffff888020928918 R14: 0000000100000000 R15: ffff888020928000
FS: 00007f5ed217e6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ed219ef80 CR3: 000000006639e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
</IRQ>
<TASK>
spin_unlock_irq include/linux/spinlock.h:401 [inline]
__set_current_blocked+0x310/0x380 kernel/signal.c:3099
set_current_blocked kernel/signal.c:3083 [inline]
signal_delivered kernel/signal.c:2945 [inline]
signal_setup_done+0x39e/0x600 kernel/signal.c:2957
handle_signal arch/x86/kernel/signal.c:285 [inline]
arch_do_signal_or_restart+0x51f/0x860 arch/x86/kernel/signal.c:312
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5ed14a4830
Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d da 99 04 00 e8 15 78 fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
RSP: 002b:00007f5ed217dbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f5ed15b4058 RCX: 00007f5ed147d0a9
RDX: 00007f5ed217dbc0 RSI: 00007f5ed217dcf0 RDI: 0000000000000021
RBP: 00007f5ed15b4050 R08: 00007f5ed217e6c0 R09: 00007f5ed217e6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ed15b405c
R13: 000000000000006e R14: 00007ffeab4ed1f0 R15: 00007ffeab4ed2d8
</TASK>