rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (92 ticks this GP) idle=627/1/0x4000000000000000 softirq=7739/7740 fqs=2125
(detected by 1, t=10504 jiffies, g=8453, q=2259)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4842 Comm: syz.2.144 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:rcu_preempt_deferred_qs_handler+0x1/0x170 kernel/rcu/tree_plugin.h:609
Code: 07 80 c1 03 38 c1 0f 8c 5e fd ff ff 48 c7 c7 c4 d0 69 8d e8 f1 f2 56 00 e9 4d fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <48> 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 81 ec 80 00 00 00 48
RSP: 0018:ffffc900000073d0 EFLAGS: 00000046
RAX: 1ffff11017207640 RBX: ffff8880b903b1f8 RCX: ffff888020f9d940
RDX: ffff888020f9e418 RSI: dffffc0000000000 RDI: ffff8880b903b1f0
RBP: ffffc90000007498 R08: dffffc0000000000 R09: ffffed1017207640
R10: ffffed1017207640 R11: 1ffff1101720763f R12: 1ffff110041f3c83
R13: 0000000000000022 R14: ffff8880b903b1f0 R15: 0000000000000023
FS: 00007f287635c6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ab84d46c8 CR3: 000000005af70000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
irq_work_single kernel/irq_work.c:155 [inline]
irq_work_run_list+0x1bb/0x330 kernel/irq_work.c:177
irq_work_run+0x63/0xe0 kernel/irq_work.c:186
__sysvec_irq_work+0x98/0x240 arch/x86/kernel/irq_work.c:22
instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
sysvec_irq_work+0x4a/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900000075a0 EFLAGS: 00000206
RAX: 3cff414f07277d00 RBX: 1ffff92000000eb8 RCX: 3cff414f07277d00
RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580
RBP: ffffc90000007680 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c120c00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
__rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:772 [inline]
netif_receive_skb_list_internal+0x93a/0xb90 net/core/dev.c:5760
gro_normal_list net/core/dev.c:5913 [inline]
gro_normal_one net/core/dev.c:5926 [inline]
napi_skb_finish net/core/dev.c:6263 [inline]
napi_gro_receive+0x4ef/0xa60 net/core/dev.c:6293
receive_buf+0x3793/0x5780 drivers/net/virtio_net.c:1240
virtnet_receive drivers/net/virtio_net.c:1504 [inline]
virtnet_poll+0x546/0xef0 drivers/net/virtio_net.c:1617
__napi_poll+0xc0/0x430 net/core/dev.c:7075
napi_poll net/core/dev.c:7142 [inline]
net_rx_action+0x4a8/0x9c0 net/core/dev.c:7232
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xac/0x150 kernel/sched/core.c:6799
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 70 bf 01 00 00 00 e8 cf b7 9f f7 e8 1a 31 cc f7 fb bf 01 00 00 00 ef b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000334f660 EFLAGS: 00000286
RAX: 3cff414f07277d00 RBX: 0000000000000000 RCX: 3cff414f07277d00
RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: 0000000000000001
RBP: ffffc9000334f700 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000669ecc
irqentry_exit+0x63/0x70 kernel/entry/common.c:432
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:refill_stock+0x323/0x520 mm/memcontrol.c:2283
Code: 00 9c 8f 44 24 60 f6 44 24 61 02 48 bb 00 00 00 00 00 fc ff df 75 4e 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <48> 8b 44 24 38 48 c7 04 18 00 00 00 00 66 c7 44 18 09 00 00 c6 44
RSP: 0018:ffffc9000334f7c0 EFLAGS: 00000206
RAX: 3cff414f07277d00 RBX: dffffc0000000000 RCX: 3cff414f07277d00
RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580
RBP: ffffc9000334f8b0 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffff88802ae78054
R13: 1ffff11017206c93 R14: 0000000000000a06 R15: ffff8880b9036498
try_charge_memcg+0x1092/0x14a0 mm/memcontrol.c:2726
obj_cgroup_charge_pages+0x87/0x190 mm/memcontrol.c:3018
obj_cgroup_charge+0x1a0/0x310 mm/memcontrol.c:3299
memcg_slab_pre_alloc_hook mm/slab.h:287 [inline]
slab_pre_alloc_hook+0x9f/0xc0 mm/slab.h:497
slab_alloc_node mm/slub.c:3139 [inline]
slab_alloc mm/slub.c:3233 [inline]
kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238
kmem_cache_zalloc include/linux/slab.h:728 [inline]
__alloc_file+0x25/0x240 fs/file_table.c:132
alloc_empty_file+0x90/0x180 fs/file_table.c:181
alloc_file+0x5b/0x4f0 fs/file_table.c:223
alloc_file_pseudo+0x17a/0x1f0 fs/file_table.c:263
sock_alloc_file+0xb3/0x240 net/socket.c:464
sock_map_fd net/socket.c:488 [inline]
__sys_socket+0x11d/0x170 net/socket.c:1598
__do_sys_socket net/socket.c:1603 [inline]
__se_sys_socket net/socket.c:1601 [inline]
__x64_sys_socket+0x76/0x80 net/socket.c:1601
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f28780f56c9
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:00007f287635c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f287834bfa0 RCX: 00007f28780f56c9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000002b
RBP: 00007f2878177f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f287834c038 R14: 00007f287834bfa0 R15: 00007ffedfc332d8