rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 0, t=10502 jiffies, g=9097, q=783796 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10487 (4294958550-4294948063), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10487 jiffies! g9097 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:25624 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 3474 Comm: kworker/u8:7 Not tainted 6.12.0-rc4-syzkaller-00168-ge31a8219fbfc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0xb8/0xa30 kernel/locking/lockdep.c:5836
Code: 08 0f 83 fe 05 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 28 00 1d 90 be 08 00 00 00 e8 a0 31 8e 00 48 0f a3 1d c0 92 ac 0e <73> 16 e8 41 58 0a 00 84 c0 75 0d 80 3d 34 4e 96 0e 00 0f 84 fc 05
RSP: 0018:ffffc90000a17380 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81706d60
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d0028
RBP: ffffc90000a174b0 R08: ffffffff901d002f R09: 1ffffffff203a005
R10: dffffc0000000000 R11: fffffbfff203a006 R12: 1ffff92000142e7c
R13: ffffffff81827f3c R14: ffffc90000a174e0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f296ec00000 CR3: 000000000e734000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
seqcount_lockdep_reader_access+0x10f/0x220 include/linux/seqlock.h:71
timekeeping_debug_get_ns kernel/time/timekeeping.c:256 [inline]
timekeeping_get_ns+0x5c/0x420 kernel/time/timekeeping.c:401
ktime_get+0x89/0xb0 kernel/time/timekeeping.c:850
tick_nohz_handler+0x33/0x500 kernel/time/tick-sched.c:288
__run_hrtimer kernel/time/hrtimer.c:1691 [inline]
__hrtimer_run_queues+0x551/0xd50 kernel/time/hrtimer.c:1755
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
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+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:87 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:123 [inline]
RIP: 0010:lock_is_held_type+0x6a/0x190 kernel/locking/lockdep.c:5893
Code: 00 65 4c 8b 2c 25 c0 d7 03 00 41 83 bd dc 0a 00 00 00 0f 85 da 00 00 00 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 20 d8 0a 8c e8 65 1b 00 00 65 ff 05 9e 9f
RSP: 0018:ffffc90000a179d0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000080000101
RDX: ffff88803227bc00 RSI: 00000000ffffffff RDI: ffffffff8e937e20
RBP: 0000000000000001 R08: ffffffff899953e6 R09: 1ffffffff2859500
R10: dffffc0000000000 R11: fffffbfff2859501 R12: ffff88805024ce80
R13: ffff88803227bc00 R14: 00000000ffffffff R15: ffffffff8e937e20
ip_ignore_linkdown include/linux/inetdevice.h:261 [inline]
fib_lookup_good_nhc+0xd0/0x3b0 net/ipv4/fib_trie.c:1433
fib_table_lookup+0x9dd/0x1870 net/ipv4/fib_trie.c:1619
fib_lookup+0x1c0/0x450 include/net/ip_fib.h:388
ip_route_output_key_hash_rcu+0x284/0x2390 net/ipv4/route.c:2734
ip_route_output_key_hash+0x193/0x2b0 net/ipv4/route.c:2624
__ip_route_output_key include/net/route.h:141 [inline]
ip_route_output_flow+0x29/0x140 net/ipv4/route.c:2852
ip_route_output_key include/net/route.h:151 [inline]
ip_route_me_harder+0x80d/0x1300 net/ipv4/netfilter.c:53
synproxy_send_tcp+0x356/0x6c0 net/netfilter/nf_synproxy_core.c:431
synproxy_send_client_synack+0x8b8/0xf30 net/netfilter/nf_synproxy_core.c:484
nft_synproxy_eval_v4+0x3ca/0x610 net/netfilter/nft_synproxy.c:59
nft_synproxy_do_eval+0x362/0xa60 net/netfilter/nft_synproxy.c:141
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288
nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5666 [inline]
__netif_receive_skb+0x2bf/0x650 net/core/dev.c:5779
process_backlog+0x662/0x15b0 net/core/dev.c:6111
__napi_poll+0xcb/0x490 net/core/dev.c:6775
napi_poll net/core/dev.c:6844 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6966
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
spin_unlock_bh include/linux/spinlock.h:396 [inline]
cfg80211_inform_single_bss_data+0x1707/0x2090 net/wireless/scan.c:2349
cfg80211_inform_bss_data+0x3ce/0x5e80 net/wireless/scan.c:3188
cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3283
ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226
ieee80211_rx_bss_info net/mac80211/ibss.c:1100 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1962/0x2d70 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1657
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 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
ksoftirqd/1: page allocation failure: order:0, mode:0x40820(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-rc4-syzkaller-00168-ge31a8219fbfc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
warn_alloc+0x278/0x410 mm/page_alloc.c:3531
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 56690, objs: 680280, free: 0
__alloc_pages_slowpath+0xf37/0x1020 mm/page_alloc.c:4465
node 1: slabs: 129319, objs: 1551828, free: 48
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
__alloc_pages_noprof+0x493/0x710 mm/page_alloc.c:4746
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
node 0: slabs: 41761, objs: 668176, free: 0
node 1: slabs: 97728, objs: 1558426, free: 29
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
alloc_slab_page+0x6a/0x120 mm/slub.c:2412
allocate_slab+0x1c0/0x2f0 mm/slub.c:2586
node 0: slabs: 41761, objs: 668176, free: 0
new_slab mm/slub.c:2631 [inline]
___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818
node 1: slabs: 97728, objs: 1558426, free: 29
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
__slab_alloc+0x58/0xa0 mm/slub.c:3908
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
__slab_alloc_node mm/slub.c:3961 [inline]
slab_alloc_node mm/slub.c:4122 [inline]
kmem_cache_alloc_node_noprof+0x1fe/0x320 mm/slub.c:4186
__alloc_skb+0x1c3/0x440 net/core/skbuff.c:668
node 0: slabs: 41761, objs: 668176, free: 0
alloc_skb include/linux/skbuff.h:1322 [inline]
synproxy_send_client_synack+0x1ba/0xf30 net/netfilter/nf_synproxy_core.c:460
node 1: slabs: 97728, objs: 1558426, free: 29
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
node 0: slabs: 41761, objs: 668176, free: 0
nft_synproxy_eval_v4+0x3ca/0x610 net/netfilter/nft_synproxy.c:59
node 1: slabs: 97728, objs: 1558426, free: 29
nft_synproxy_do_eval+0x362/0xa60 net/netfilter/nft_synproxy.c:141
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
node 0: slabs: 41761, objs: 668176, free: 0
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288
node 1: slabs: 97728, objs: 1558426, free: 29
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161
node 0: slabs: 41761, objs: 668176, free: 0
node 1: slabs: 97728, objs: 1558426, free: 29
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
node 0: slabs: 41761, objs: 668176, free: 0
node 1: slabs: 97728, objs: 1558426, free: 29
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
node 0: slabs: 41761, objs: 668176, free: 0
node 1: slabs: 97728, objs: 1558426, free: 29
__netif_receive_skb_one_core net/core/dev.c:5666 [inline]
__netif_receive_skb+0x2bf/0x650 net/core/dev.c:5779
process_backlog+0x662/0x15b0 net/core/dev.c:6111
__napi_poll+0xcb/0x490 net/core/dev.c:6775
napi_poll net/core/dev.c:6844 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6966
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:927
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
Mem-Info:
active_anon:4064 inactive_anon:0 isolated_anon:0
active_file:2509 inactive_file:36468 isolated_file:0
unevictable:768 dirty:63 writeback:326
slab_reclaimable:9457 slab_unreclaimable:1428453
mapped:20622 shmem:1441 pagetables:714
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:28384 free_pcp:252 free_cma:0
Node 0 active_anon:16256kB inactive_anon:0kB active_file:10036kB inactive_file:145796kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:82488kB dirty:252kB writeback:1304kB shmem:4228kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:10704kB pagetables:2856kB sec_pagetables:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no
Node 0 DMA free:10060kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2465 2466 0 0
Node 0 DMA32 free:80020kB boost:0kB min:34200kB low:42748kB high:51296kB reserved_highatomic:24576KB active_anon:16220kB inactive_anon:0kB active_file:9216kB inactive_file:145940kB unevictable:1536kB writepending:1556kB present:3129332kB managed:2552504kB mlocked:0kB bounce:0kB free_pcp:232kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB boost:0kB min:8kB low:8kB high:8kB reserved_highatomic:0KB active_anon:36kB inactive_anon:0kB active_file:780kB inactive_file:12kB unevictable:0kB writepending:0kB present:1048580kB managed:876kB mlocked:0kB bounce:0kB free_pcp:16kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:31176kB boost:0kB min:55688kB low:69608kB high:83528kB reserved_highatomic:8192KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194300kB managed:4111164kB mlocked:0kB bounce:0kB free_pcp:44kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 2*4kB (U) 2*8kB (U) 2*16kB (U) 1*32kB (U) 2*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10072kB
Node 0 DMA32: 865*4kB (UM) 237*8kB (UMEH) 78*16kB (UMEH) 103*32kB (UMEH) 105*64kB (UMEH) 70*128kB (UMEH) 43*256kB (UMH) 24*512kB (UEH) 16*1024kB (UH) 7*2048kB (UM) 0*4096kB = 79596kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 4*4kB (UME) 7*8kB (UE) 11*16kB (UME) 12*32kB (UMEH) 14*64kB (UMEH) 8*128kB (UMEH) 4*256kB (MEH) 6*512kB (UMEH) 4*1024kB (UMH) 2*2048kB (UE) 4*4096kB (UM) = 31224kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
40408 total pagecache pages
0 pages in swap cache
Free swap = 124996kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
427075 pages reserved
0 pages cma reserved