rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...0: (1 GPs behind) idle=eb1c/1/0x4000000000000000 softirq=62456/62458 fqs=2100
rcu: hardirqs softirqs csw/system
rcu: number: 0 0 0
rcu: cputime: 0 0 0 ==> 52500(ms)
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7816/1:b..l
rcu: (detected by 1, t=10505 jiffies, g=65609, q=78 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 17115 Comm: syz.8.3537 Not tainted 6.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:87 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:147 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0x140 kernel/locking/spinlock.c:194
Code: 02 00 00 74 05 e8 91 72 d6 f5 4c 89 f3 48 c1 eb 03 42 80 3c 23 00 74 08 4c 89 f7 e8 fb bf 32 f6 48 c7 44 24 20 00 00 00 00 9c <8f> 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ee be 32 f6 f6 44 24
RSP: 0018:ffffc90000007b38 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000000f6c RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9a5f7240
RBP: ffffc90000007bd0 R08: ffffffff9a5f7243 R09: 1ffffffff34bee48
R10: dffffc0000000000 R11: fffffbfff34bee49 R12: dffffc0000000000
R13: 1ffff92000000f68 R14: ffffc90000007b60 R15: 0000000000000046
FS: 00007f87fa5666c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3071aff8 CR3: 00000000791f4000 CR4: 00000000003526f0
Call Trace:
debug_object_activate+0x3f7/0x580 lib/debugobjects.c:836
debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline]
debug_activate kernel/time/hrtimer.c:469 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1075
__run_hrtimer kernel/time/hrtimer.c:1755 [inline]
__hrtimer_run_queues+0x6cb/0xd30 kernel/time/hrtimer.c:1802
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1864
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7086
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 f5 7f 9e f5 e8 20 14 d8 f5 fb bf 01 00 00 00 75 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 85 61 34 f6 48
RSP: 0018:ffffc90002e87580 EFLAGS: 00000282
RAX: 7e6a41a53e4a4b00 RBX: 1ffff920005d0eb8 RCX: ffffffff9a3ca903
RDX: dffffc0000000000 RSI: ffffffff8c0aa660 RDI: 0000000000000001
RBP: ffffc90002e87640 R08: ffffffff901a2777 R09: 1ffffffff20344ee
R10: dffffc0000000000 R11: fffffbfff20344ef R12: 1ffff920005d0eb0
R13: 1ffff920005d0eb4 R14: ffffc90002e875a0 R15: dffffc0000000000
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:obj_cgroup_charge+0x350/0x5d0 mm/memcontrol.c:2895
Code: 44 24 60 42 80 3c 23 00 74 08 4c 89 ff e8 78 e7 f7 ff f6 44 24 61 02 0f 85 ca 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 45 31 f6 <80> 7c 24 0c 00 75 4f 48 8b 5c 24 20 48 89 d8 48 c1 e8 0c 31 d2 89
RSP: 0018:ffffc90002e87700 EFLAGS: 00000246
RAX: 7e6a41a53e4a4b00 RBX: 1ffff920005d0eec RCX: ffffffff9a3ca903
RDX: dffffc0000000000 RSI: ffffffff8c0aa660 RDI: ffffffff8c5fb5c0
RBP: ffffc90002e877f8 R08: ffffffff901a2777 R09: 1ffffffff20344ee
R10: dffffc0000000000 R11: fffffbfff20344ef R12: dffffc0000000000
R13: 1ffff920005d0ee8 R14: 0000000000000000 R15: ffffc90002e87760
__memcg_slab_post_alloc_hook+0x1b1/0x7e0 mm/memcontrol.c:2988
memcg_slab_post_alloc_hook mm/slub.c:2152 [inline]
slab_post_alloc_hook mm/slub.c:4125 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
kmem_cache_alloc_noprof+0x287/0x380 mm/slub.c:4171
alloc_empty_file+0x9e/0x1d0 fs/file_table.c:228
path_openat+0x107/0x3590 fs/namei.c:3975
do_filp_open+0x27f/0x4e0 fs/namei.c:4016
do_sys_openat2+0x13e/0x1d0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_sys_openat fs/open.c:1458 [inline]
__se_sys_openat fs/open.c:1453 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1453
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: 0033:0x7f87f978cda9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f87fa566038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f87f99a6080 RCX: 00007f87f978cda9
RDX: 0000000000022042 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007f87f980e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f87f99a6080 R15: 00007ffcd1f3b878
task:kworker/u8:9 state:R running task stack:20184 pid:7816 tgid:7816 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x18bc/0x4c40 kernel/sched/core.c:6764
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7086
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_release+0x658/0xa30 kernel/locking/lockdep.c:5876
Code: 3c 3b 00 74 08 4c 89 f7 e8 45 86 88 00 f6 84 24 91 00 00 00 02 75 77 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:ffffc90003d2f980 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920007a5f42 RCX: ffffc90003d2fa03
RDX: 0000000000000002 RSI: ffffffff8c0ab8c0 RDI: ffffffff8c5fb5c0
RBP: ffffc90003d2faa8 R08: ffffffff901a2777 R09: 1ffffffff20344ee
R10: dffffc0000000000 R11: fffffbfff20344ef R12: 1ffff920007a5f3c
R13: 0000000000000246 R14: ffffc90003d2fa10 R15: dffffc0000000000
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x28b/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244