sched: DL replenish lagged too much
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9745/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=25565, q=733 ncpus=2)
task:syz-executor state:R running task stack:23744 pid:9745 tgid:9745 ppid:5816 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
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:page_ext_next include/linux/page_ext.h:92 [inline]
RIP: 0010:__update_page_owner_handle mm/page_owner.c:255 [inline]
RIP: 0010:__set_page_owner+0x2a9/0x800 mm/page_owner.c:325
Code: 50 e8 db b0 b6 09 4c 89 ff be 08 00 00 00 e8 1e a2 f6 ff 49 0f ba 2f 00 4c 89 ff be 08 00 00 00 e8 0c a2 f6 ff 49 0f ba 2f 01 <48> b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 80 3c 01 00 0f 84 9a
RSP: 0018:ffffc90002f6f380 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff820f2034
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88801d931230
RBP: ffffc90002f6f468 R08: ffff88801d931237 R09: 1ffff11003b26246
R10: dffffc0000000000 R11: ffffed1003b26247 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88801d931258 R15: ffff88801d931230
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556
prep_new_page mm/page_alloc.c:1564 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
get_free_pages_noprof+0xc/0x30 mm/page_alloc.c:4798
kasan_populate_vmalloc_pte+0x38/0xe0 mm/kasan/shadow.c:304
apply_to_pte_range mm/memory.c:2831 [inline]
apply_to_pmd_range mm/memory.c:2875 [inline]
apply_to_pud_range mm/memory.c:2911 [inline]
apply_to_p4d_range mm/memory.c:2947 [inline]
__apply_to_page_range+0x806/0xde0 mm/memory.c:2981
alloc_vmap_area+0x1d4e/0x2400 mm/vmalloc.c:2035
__get_vm_area_node+0x1c8/0x2d0 mm/vmalloc.c:3137
__vmalloc_node_range_noprof+0x344/0x1380 mm/vmalloc.c:3804
vmalloc_user_noprof+0x74/0x80 mm/vmalloc.c:3998
kcov_ioctl+0x56/0x640 kernel/kcov.c:716
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
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: 0033:0x7fa1e7f8591b
RSP: 002b:00007ffcd6206b60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000080000 RCX: 00007fa1e7f8591b
RDX: 0000000000080000 RSI: ffffffff80086301 RDI: 00000000000000d9
RBP: 00007fa1e8176118 R08: 00000000000000d8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10545 jiffies! g25565 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:26264 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2-syzkaller-00390-g9bc5c9515b48 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:skb_headroom include/linux/skbuff.h:2829 [inline]
RIP: 0010:bpf_prog_run_generic_xdp+0x333/0x1510 net/core/dev.c:4957
Code: 44 24 40 42 80 3c 20 00 48 8b 5c 24 78 74 08 48 89 df e8 30 40 71 f8 4d 29 ef 48 8b 1b 48 8b 84 24 80 00 00 00 42 80 3c 20 00 <74> 0a 48 8b 7c 24 50 e8 11 40 71 f8 4c 8b 74 24 38 49 8b ae d0 00
RSP: 0018:ffffc90000157128 EFLAGS: 00000246
RAX: 1ffff1100aa56e6a RBX: ffff888027e58110 RCX: ffff88801c285a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffc900001573a0
RBP: ffff888062166900 R08: ffffffff89947e4f R09: 0000000000000000
R10: ffffc90000157370 R11: fffff5200002ae75 R12: dffffc0000000000
R13: ffff888027e58102 R14: ffffc90000157370 R15: 000000000000000e
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e5b00b66f CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
netif_receive_generic_xdp net/core/dev.c:5086 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7074
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
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