rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=ee4c/1/0x4000000000000000 softirq=51288/1733818 fqs=5204
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   917431     866934            0
rcu: 	cputime:      977      50494         1001   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=71849 q=1907 ncpus=2)
CPU: 1 PID: 13408 Comm: syz.2.2730 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:319 [inline]
RIP: 0010:handle_softirqs+0x1b0/0x820 kernel/softirq.c:566
Code: 89 64 24 2c 0f b7 db 48 c7 c7 a0 b2 a9 8a e8 57 c8 1b 09 65 66 c7 05 fd 23 b2 7e 00 00 e8 18 58 3a 00 fb 49 c7 c6 c0 a0 a0 8c <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c5 41 ff c5 0f 84
RSP: 0018:ffffc900001f0e40 EFLAGS: 00000286
RAX: 629de0a5daee1500 RBX: 0000000000000200 RCX: 629de0a5daee1500
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0f50 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: 000000000000000a
R13: 0000000000000000 R14: ffffffff8ca0a0c0 R15: ffff888021955a00
FS:  00007f5633e176c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000014ff5 CR3: 0000000063538000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa1/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 4b da e5 f6 e8 46 5f 16 f7 fb bf 01 00 00 00 <e8> db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000b27f4e0 EFLAGS: 00000282
RAX: 629de0a5daee1500 RBX: 0000000000000000 RCX: 629de0a5daee1500
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: 0000000000000001
RBP: ffffc9000b27f580 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200164fe9c
 irqentry_exit+0x67/0x70 kernel/entry/common.c:438
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:memcg_account_kmem+0x133/0x160 mm/memcontrol.c:-1
Code: 3b 44 24 60 75 1f 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 dd 7f 88 08 41 f7 c5 00 02 00 00 75 b2 eb b1 e8 cd 7e 88 08 <f3> 0f 1e fa 48 81 c3 c0 02 00 00 45 85 f6 7e 0d 44 89 f6 48 89 df
RSP: 0018:ffffc9000b27f640 EFLAGS: 00000206
RAX: 629de0a5daee1500 RBX: ffff88801f7c4000 RCX: 629de0a5daee1500
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc9000b27f6f8 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: dffffc0000000000
R13: 0000000000000a02 R14: 0000000000000001 R15: 1ffff9200164fec8
 obj_cgroup_charge_pages mm/memcontrol.c:3113 [inline]
 __memcg_kmem_charge_page+0x235/0x380 mm/memcontrol.c:3135
 __alloc_pages+0x219/0x460 mm/page_alloc.c:4474
 __alloc_pages_bulk+0x4a4/0x950 mm/page_alloc.c:4405
 vm_area_alloc_pages mm/vmalloc.c:3055 [inline]
 __vmalloc_area_node mm/vmalloc.c:3158 [inline]
 __vmalloc_node_range+0x721/0x1320 mm/vmalloc.c:3339
 __vmalloc_node mm/vmalloc.c:3404 [inline]
 __vmalloc+0x7a/0x90 mm/vmalloc.c:3418
 bpf_prog_alloc_no_stats+0x47/0x440 kernel/bpf/core.c:98
 bpf_prog_alloc+0x3d/0x1b0 kernel/bpf/core.c:136
 bpf_prog_load+0x6b8/0x16d0 kernel/bpf/syscall.c:2675
 __sys_bpf+0x55a/0x800 kernel/bpf/syscall.c:5467
 __do_sys_bpf kernel/bpf/syscall.c:5571 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5569 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5569
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5632f8ebe9
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:00007f5633e17038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f56331b5fa0 RCX: 00007f5632f8ebe9
RDX: 0000000000000094 RSI: 0000200000001280 RDI: 0000000000000005
RBP: 00007f5633011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f56331b6038 R14: 00007f56331b5fa0 R15: 00007ffe45d1d098
 </TASK>