rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=e8e4/1/0x4000000000000000 softirq=63644/63645 fqs=0
rcu: (detected by 0, t=10502 jiffies, g=53685, q=265 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 12929 Comm: syz.1.1208 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:advance_sched+0x3c5/0xca0 net/sched/sch_taprio.c:949
Code: ff e8 5f 48 ce f7 e9 4a 08 00 00 e8 55 48 ce f7 4c 8b 7c 24 08 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 f7 e8 a1 a1 34 f8 48 8b 04 24 48 8b 88 10 01 00 00 48
RSP: 0018:ffffc90000a18c70 EFLAGS: 00000046
RAX: 1ffff11004464ba2 RBX: ffff888022326d50 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 1817184e28000000
RBP: 0000000000000000 R08: ffffffff89d112c0 R09: fffff5200014317c
R10: dffffc0000000000 R11: fffff5200014317c R12: 0000000000000000
R13: 1817184e28000000 R14: ffff888022325d10 R15: ffff888029a87340
FS: 00007f80dd4c36c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2be09c CR3: 0000000068e9c000 CR4: 00000000003526f0
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
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:__kmalloc_cache_noprof+0x24c/0x390 mm/slub.c:4314
Code: 89 ea 45 89 f8 41 b9 ff ff ff ff e8 de ed ff ff 4c 89 f7 48 89 de 48 89 ea 44 89 f9 e8 bd 48 0b 00 65 48 8b 0c 25 28 00 00 00 <48> 3b 4c 24 10 75 66 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3
RSP: 0018:ffffc900046ef1d8 EFLAGS: 00000282
RAX: ffff88807f1b0c00 RBX: ffff88807f1b0c00 RCX: af5ac5bf2ded6d00
RDX: ffff88823bcf8c10 RSI: 0000000000000002 RDI: 00000000b344137a
RBP: 0000000000000038 R08: ffffc900046eef70 R09: 000000000000000d
R10: dffffc0000000000 R11: fffffbfff2033b37 R12: 0000000000000040
R13: 0000000000000038 R14: ffff88801ac418c0 R15: 0000000000000dc0
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
nft_trans_alloc_gfp net/netfilter/nf_tables_api.c:161 [inline]
nft_trans_alloc net/netfilter/nf_tables_api.c:180 [inline]
nft_trans_table_add+0x57/0x400 net/netfilter/nf_tables_api.c:529
nf_tables_newtable+0x1172/0x1e40 net/netfilter/nf_tables_api.c:1607
nfnetlink_rcv_batch net/netfilter/nfnetlink.c:524 [inline]
nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
nfnetlink_rcv+0x14e3/0x2ab0 net/netfilter/nfnetlink.c:665
netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
___sys_sendmsg net/socket.c:2637 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2669
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: 0033:0x7f80dc77fed9
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:00007f80dd4c3058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f80dc946160 RCX: 00007f80dc77fed9
RDX: 0000000000000000 RSI: 000000002000c2c0 RDI: 0000000000000006
RBP: 00007f80dc7f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f80dc946160 R15: 00007ffe408fc618
rcu: rcu_preempt kthread starved for 10502 jiffies! g53685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:24632 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5371 [inline]
__schedule+0x189f/0x4c80 kernel/sched/core.c:6758
__schedule_loop kernel/sched/core.c:6835 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6850
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
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
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 a6 eb 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 51 e7 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 35 e7
RSP: 0018:ffffc900001176e0 EFLAGS: 00000293
RAX: ffffffff819374eb RBX: 1ffff110170e8901 RCX: ffff88801ced5a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900001178e0 R08: ffffffff819374ba R09: 1ffffffff2856508
R10: dffffc0000000000 R11: fffffbfff2856509 R12: dffffc0000000000
R13: ffff8880b8744808 R14: ffff8880b863fb80 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffade2d7e44 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2118 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2328
text_poke_flush arch/x86/kernel/alternative.c:2519 [inline]
text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2526
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240
static_key_disable+0x1a/0x20 kernel/jump_label.c:248
toggle_allocation_gate+0x1bf/0x260 mm/kfence/core.c:854
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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