DUID 00:04:dc:6c:a8:75:19:b8:f7:30:df:f1:e8:1e:24:9d:66:1e forked to background, child pid 3182 [ 31.701659][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.718450][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 81.374741][ T1157] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 817.223774][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.223774][ C0] ksoftirqd/0: page allocation failure: order:0, mode:0xa20(GFP_ATOMIC), nodemask=(null) [ 817.223885][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.231991][ C0] ,cpuset= [ 817.241953][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.241978][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.252749][ C0] / [ 817.255593][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.262036][ C0] ,mems_allowed=0-1 [ 817.268583][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.270986][ C0] [ 817.270996][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.16.0-rc6-syzkaller #0 [ 817.278975][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.282730][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 817.282747][ C0] Call Trace: [ 817.282758][ C0] [ 817.282770][ C0] dump_stack_lvl+0xcd/0x134 [ 817.293266][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.295556][ C0] warn_alloc.cold+0x87/0x17a [ 817.303833][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.310159][ C0] ? zone_watermark_ok_safe+0x290/0x290 [ 817.320224][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.323462][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 817.326403][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.330975][ C0] ? deref_stack_reg+0xee/0x150 [ 817.337479][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.342109][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 817.350134][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.355596][ C0] ? wakeup_kswapd+0x161/0x650 [ 817.366115][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.372225][ C0] ? __zone_watermark_ok+0x450/0x450 [ 817.378644][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.383447][ C0] ? wake_all_kswapds+0x143/0x2c0 [ 817.383489][ C0] __alloc_pages_slowpath.constprop.0+0x1bb5/0x20d0 [ 817.389952][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.395658][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 817.403684][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.408377][ C0] ? warn_alloc+0x120/0x120 [ 817.418870][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.424128][ C0] ? __zone_watermark_ok+0x450/0x450 [ 817.430536][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.435539][ C0] ? prepare_alloc_pages+0x17b/0x570 [ 817.435582][ C0] __alloc_pages+0x412/0x500 [ 817.442135][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.449047][ C0] ? __alloc_pages_slowpath.constprop.0+0x20d0/0x20d0 [ 817.449093][ C0] ? local_lock_release+0x1d/0x60 [ 817.454307][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.462226][ C0] alloc_pages+0x1a7/0x300 [ 817.466728][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.477185][ C0] new_slab+0x349/0x4a0 [ 817.482490][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.488861][ C0] ___slab_alloc+0x918/0xfe0 [ 817.494146][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.498694][ C0] ? __alloc_skb+0x215/0x340 [ 817.505249][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.512029][ C0] ? find_held_lock+0x2d/0x110 [ 817.517053][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.524983][ C0] ? __alloc_skb+0x215/0x340 [ 817.525018][ C0] ? __slab_alloc.constprop.0+0x4d/0xa0 [ 817.529401][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.539875][ C0] ? __alloc_skb+0x215/0x340 [ 817.539907][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 817.544071][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.550444][ C0] kmem_cache_alloc_node+0x122/0x3f0 [ 817.555115][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.561490][ C0] ? __alloc_skb+0x215/0x340 [ 817.566089][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.574028][ C0] __alloc_skb+0x215/0x340 [ 817.578795][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.589532][ C0] __netdev_alloc_skb+0x73/0x400 [ 817.594144][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.599668][ C0] __br_multicast_send_query+0x1440/0x3aa0 [ 817.606116][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.610625][ C0] ? mark_held_locks+0x9f/0xe0 [ 817.616001][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.622486][ C0] ? br_multicast_count+0xb40/0xb40 [ 817.627759][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.635714][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 817.640309][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.650781][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 817.650818][ C0] ? br_multicast_send_query+0x3e4/0x4b0 [ 817.655274][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 817.661618][ C0] br_multicast_send_query+0x266/0x4b0 [ 817.666556][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 817.673015][ C0] ? br_multicast_port_group_rexmit+0x5f0/0x5f0 [ 817.678819][ C1] node 0: slabs: 125991, objs: 1511892, free: 0 [ 817.686782][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 817.691541][ C1] node 1: slabs: 245828, objs: 2949936, free: 48 [ 817.702009][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 817.702051][ C0] ? br_multicast_query_expired.constprop.0+0x1b0/0x1b0 [ 817.797352][ C0] br_multicast_query_expired.constprop.0+0x168/0x1b0 [ 817.804132][ C0] call_timer_fn+0x1a5/0x6b0 [ 817.808724][ C0] ? add_timer_on+0x4a0/0x4a0 [ 817.813401][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 817.818262][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 817.823466][ C0] ? br_multicast_query_expired.constprop.0+0x1b0/0x1b0 [ 817.830411][ C0] __run_timers.part.0+0x675/0xa20 [ 817.835531][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 817.840301][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 817.845576][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 817.850472][ C0] run_timer_softirq+0xb3/0x1d0 [ 817.855328][ C0] __do_softirq+0x29b/0x9c2 [ 817.859833][ C0] ? __irq_exit_rcu+0x180/0x180 [ 817.864731][ C0] run_ksoftirqd+0x2d/0x60 [ 817.869151][ C0] smpboot_thread_fn+0x645/0x9c0 [ 817.874142][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 817.880388][ C0] kthread+0x405/0x4f0 [ 817.884490][ C0] ? set_kthread_struct+0x130/0x130 [ 817.889955][ C0] ret_from_fork+0x1f/0x30 [ 817.894412][ C0] [ 817.897479][ C0] Mem-Info: [ 817.900590][ C0] active_anon:369 inactive_anon:6464 isolated_anon:0 [ 817.900590][ C0] active_file:3187 inactive_file:8027 isolated_file:0 [ 817.900590][ C0] unevictable:768 dirty:0 writeback:0 [ 817.900590][ C0] slab_reclaimable:25975 slab_unreclaimable:1578612 [ 817.900590][ C0] mapped:1912 shmem:4173 pagetables:195 bounce:0 [ 817.900590][ C0] kernel_misc_reclaimable:0 [ 817.900590][ C0] free:11078 free_pcp:5260 free_cma:0 [ 817.941838][ C0] Node 0 active_anon:1468kB inactive_anon:24948kB active_file:12676kB inactive_file:32108kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7648kB dirty:0kB writeback:0kB shmem:14240kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB kernel_stack:7404kB pagetables:776kB all_unreclaimable? no [ 817.972768][ C0] Node 1 active_anon:8kB inactive_anon:908kB active_file:72kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:2452kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 818.001703][ C0] Node 0 DMA free:10652kB boost:0kB min:200kB low:248kB high:296kB 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 [ 818.029086][ C0] lowmem_reserve[]: 0 2645 2645 2645 2645 [ 818.034915][ C0] Node 0 DMA32 free:13380kB boost:0kB min:35676kB low:44592kB high:53508kB reserved_highatomic:0KB active_anon:1468kB inactive_anon:24948kB active_file:12676kB inactive_file:32108kB unevictable:1536kB writepending:0kB present:3129332kB managed:2716756kB mlocked:0kB bounce:0kB free_pcp:20548kB local_pcp:12400kB free_cma:0kB [ 818.065334][ C0] lowmem_reserve[]: 0 0 0 0 0 [ 818.070079][ C0] Node 0 Normal free:0kB boost:0kB min:4kB low:4kB high:4kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:400kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 818.096583][ C0] lowmem_reserve[]: 0 0 0 0 0 [ 818.101330][ C0] Node 1 Normal free:20280kB boost:0kB min:54224kB low:67780kB high:81336kB reserved_highatomic:0KB active_anon:8kB inactive_anon:908kB active_file:72kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4117620kB mlocked:0kB bounce:0kB free_pcp:584kB local_pcp:240kB free_cma:0kB [ 818.130453][ C0] lowmem_reserve[]: 0 0 0 0 0 [ 818.135241][ C0] Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10636kB [ 818.149119][ C0] Node 0 DMA32: 669*4kB (UME) 212*8kB (UM) 119*16kB (UME) 499*32kB (UME) 55*64kB (UME) 16*128kB (UME) 5*256kB (UME) 1*512kB (U) 1*1024kB (E) 2*2048kB (UE) 1*4096kB (M) = 38820kB [ 818.166985][ C0] 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 [ 818.178628][ C0] Node 1 Normal: 2*4kB (UE) 2*8kB (E) 4*16kB (UE) 7*32kB (UME) 8*64kB (ME) 6*128kB (UME) 1*256kB (U) 0*512kB 2*1024kB (UE) 0*2048kB 4*4096kB (M) = 20280kB [ 818.194501][ C0] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 818.204112][ C0] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 818.214503][ C0] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 818.224107][ C0] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 818.233445][ C0] 14962 total pagecache pages [ 818.238133][ C0] 0 pages in swap cache [ 818.242290][ C0] Swap cache stats: add 0, delete 0, find 0/0 [ 818.248440][ C0] Free swap = 0kB [ 818.252180][ C0] Total swap = 0kB [ 818.255942][ C0] 2097051 pages RAM [ 818.259849][ C0] 0 pages HighMem/MovableOnly [ 818.264665][ C0] 384517 pages reserved [ 818.268827][ C0] 0 pages cma reserved [ 923.302426][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 923.309347][ C0] rcu: 0-...!: (1 GPs behind) idle=6eb/1/0x4000000000000000 softirq=14214/14215 fqs=16 [ 923.319861][ C0] (t=10500 jiffies g=15505 q=102699) [ 923.325335][ C0] rcu: rcu_preempt kthread starved for 9059 jiffies! g15505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 923.336469][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 923.346450][ C0] rcu: RCU grace-period kthread stack dump: [ 923.352363][ C0] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 923.363166][ C0] Call Trace: [ 923.366447][ C0] [ 923.369383][ C0] __schedule+0xa9a/0x4940 [ 923.373810][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 923.379015][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 923.384929][ C0] ? io_schedule_timeout+0x180/0x180 [ 923.390397][ C0] ? debug_object_destroy+0x210/0x210 [ 923.395933][ C0] schedule+0xd2/0x260 [ 923.400006][ C0] schedule_timeout+0x14a/0x2a0 [ 923.404870][ C0] ? usleep_range_state+0x1b0/0x1b0 [ 923.410074][ C0] ? destroy_timer_on_stack+0x20/0x20 [ 923.415488][ C0] ? pirq_via586_get+0x160/0x170 [ 923.420508][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 923.426326][ C0] ? prepare_to_swait_event+0xee/0x470 [ 923.431833][ C0] rcu_gp_fqs_loop+0x186/0x810 [ 923.436723][ C0] ? force_qs_rnp+0x760/0x760 [ 923.441411][ C0] ? rcu_gp_init+0x906/0x12a0 [ 923.446105][ C0] rcu_gp_kthread+0x1de/0x320 [ 923.450826][ C0] ? rcu_gp_init+0x12a0/0x12a0 [ 923.455595][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 923.461846][ C0] ? __kthread_parkme+0x15f/0x220 [ 923.466883][ C0] ? rcu_gp_init+0x12a0/0x12a0 [ 923.471653][ C0] kthread+0x405/0x4f0 [ 923.475730][ C0] ? set_kthread_struct+0x130/0x130 [ 923.480936][ C0] ret_from_fork+0x1f/0x30 [ 923.485374][ C0] [ 923.488390][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 923.494701][ C0] Sending NMI from CPU 0 to CPUs 1: [ 923.499911][ C1] NMI backtrace for cpu 1 [ 923.499922][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.16.0-rc6-syzkaller #0 [ 923.499944][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 923.499958][ C1] Workqueue: events_unbound toggle_allocation_gate [ 923.499982][ C1] RIP: 0010:smp_call_function_many_cond+0x457/0xc20 [ 923.500118][ C1] Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 40 78 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 33 06 00 00 8b 43 08 31 ff 83 e0 01 41 [ 923.500139][ C1] RSP: 0018:ffffc90000cd79f8 EFLAGS: 00000293 [ 923.500155][ C1] RAX: 0000000000000000 RBX: ffff8880b9c41d40 RCX: 0000000000000000 [ 923.500169][ C1] RDX: ffff888010e7d700 RSI: ffffffff816c2a80 RDI: 0000000000000003 [ 923.500183][ C1] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001 [ 923.500195][ C1] R10: ffffffff816c2aa6 R11: 0000000000000000 R12: ffffed10173883a9 [ 923.500209][ C1] R13: 0000000000000000 R14: ffff8880b9c41d48 R15: 0000000000000001 [ 923.500223][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 923.500243][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 923.500258][ C1] CR2: 0000564fa466b4c0 CR3: 000000000b88e000 CR4: 00000000003506e0 [ 923.500271][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 923.500284][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 923.500297][ C1] Call Trace: [ 923.500303][ C1] [ 923.500312][ C1] ? __text_poke+0x8c0/0x8c0 [ 923.500377][ C1] ? __text_poke+0x8c0/0x8c0 [ 923.500399][ C1] on_each_cpu_cond_mask+0x56/0xa0 [ 923.500429][ C1] ? kmem_cache_alloc+0xae/0x3a0 [ 923.500453][ C1] text_poke_bp_batch+0x1b3/0x560 [ 923.500479][ C1] ? mutex_lock_io_nested+0x1150/0x1150 [ 923.500503][ C1] ? alternatives_enable_smp+0xf0/0xf0 [ 923.500528][ C1] ? __jump_label_patch+0x159/0x1b0 [ 923.500551][ C1] ? arch_jump_label_transform_queue+0xa0/0x100 [ 923.500576][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 923.500604][ C1] ? __jump_label_update+0x351/0x400 [ 923.500672][ C1] text_poke_finish+0x16/0x30 [ 923.500696][ C1] arch_jump_label_transform_apply+0x13/0x20 [ 923.500720][ C1] jump_label_update+0x1d5/0x430 [ 923.500748][ C1] static_key_enable_cpuslocked+0x1b1/0x260 [ 923.500776][ C1] static_key_enable+0x16/0x20 [ 923.500801][ C1] toggle_allocation_gate+0x100/0x390 [ 923.500822][ C1] ? lock_release+0x720/0x720 [ 923.500846][ C1] ? wake_up_kfence_timer+0x20/0x20 [ 923.500872][ C1] process_one_work+0x9b2/0x1690 [ 923.500898][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 923.500921][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 923.500945][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 923.500972][ C1] worker_thread+0x658/0x11f0 [ 923.500996][ C1] ? process_one_work+0x1690/0x1690 [ 923.501017][ C1] kthread+0x405/0x4f0 [ 923.501041][ C1] ? set_kthread_struct+0x130/0x130 [ 923.501068][ C1] ret_from_fork+0x1f/0x30 [ 923.501096][ C1] [ 923.501932][ C0] NMI backtrace for cpu 0 [ 923.800250][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.16.0-rc6-syzkaller #0 [ 923.808542][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 923.818747][ C0] Call Trace: [ 923.822040][ C0] [ 923.824884][ C0] dump_stack_lvl+0xcd/0x134 [ 923.829580][ C0] nmi_cpu_backtrace.cold+0x47/0x144 [ 923.834877][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 923.840080][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 923.846158][ C0] rcu_dump_cpu_stacks+0x25e/0x3f0 [ 923.851291][ C0] rcu_sched_clock_irq.cold+0x9d/0x746 [ 923.856790][ C0] ? memcpy+0x39/0x60 [ 923.860784][ C0] ? memcpy+0x39/0x60 [ 923.864781][ C0] ? rcutree_dead_cpu+0x30/0x30 [ 923.869634][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 923.874837][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 923.880666][ C0] update_process_times+0x16d/0x200 [ 923.885868][ C0] tick_sched_handle+0x9b/0x180 [ 923.890777][ C0] tick_sched_timer+0x1b0/0x2d0 [ 923.895637][ C0] ? get_cpu_iowait_time_us+0x3f0/0x3f0 [ 923.901302][ C0] __hrtimer_run_queues+0x1c0/0xe50 [ 923.906520][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 923.912764][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 923.918942][ C0] hrtimer_interrupt+0x31c/0x790 [ 923.923896][ C0] __sysvec_apic_timer_interrupt+0x146/0x530 [ 923.929902][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 923.935632][ C0] [ 923.938743][ C0] [ 923.941670][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 923.947658][ C0] RIP: 0010:unwind_next_frame+0xd0a/0x1ce0 [ 923.953463][ C0] Code: 28 84 c0 48 8b 4c 24 30 0f 84 21 07 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 64 24 60 48 c1 ea 03 80 3c 02 00 <0f> 85 86 0e 00 00 48 8b 14 24 4d 89 66 38 48 b8 00 00 00 00 00 fc [ 923.973074][ C0] RSP: 0018:ffffc90000d27220 EFLAGS: 00000246 [ 923.979141][ C0] RAX: dffffc0000000000 RBX: 1ffff920001a4e4c RCX: ffffffff8e8251e7 [ 923.987109][ C0] RDX: 1ffff920001a4e66 RSI: ffffc90000d27838 RDI: ffffc90000d27838 [ 923.995077][ C0] RBP: 0000000000000001 R08: ffffffff8e8251e2 R09: 0000000000000001 [ 924.003388][ C0] R10: fffff520001a4e6a R11: 000000000008808a R12: ffffc90000d27840 [ 924.012490][ C0] R13: ffffc90000d2732d R14: ffffc90000d272f8 R15: ffffffff8e8251e6 [ 924.020486][ C0] ? enqueue_to_backlog+0x210/0x10c0 [ 924.025823][ C0] ? deref_stack_reg+0x150/0x150 [ 924.030774][ C0] ? enqueue_to_backlog+0x210/0x10c0 [ 924.036180][ C0] ? kernel_text_address+0xd/0x80 [ 924.041232][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 924.046450][ C0] arch_stack_walk+0x7d/0xe0 [ 924.051105][ C0] ? netif_rx_internal+0x120/0x640 [ 924.056231][ C0] ? kfree+0xf6/0x560 [ 924.060215][ C0] stack_trace_save+0x8c/0xc0 [ 924.065076][ C0] ? filter_irq_stacks+0x90/0x90 [ 924.070024][ C0] ? __lock_acquire+0x162f/0x54a0 [ 924.075062][ C0] kasan_save_stack+0x1e/0x50 [ 924.079745][ C0] ? kasan_save_stack+0x1e/0x50 [ 924.084602][ C0] ? kasan_set_track+0x21/0x30 [ 924.089370][ C0] ? kasan_set_free_info+0x20/0x30 [ 924.094496][ C0] ? __kasan_slab_free+0xff/0x130 [ 924.099526][ C0] ? slab_free_freelist_hook+0x8b/0x1c0 [ 924.105091][ C0] ? kfree+0xf6/0x560 [ 924.109076][ C0] ? skb_release_data+0x65a/0x790 [ 924.114100][ C0] ? kfree_skb+0x133/0x3f0 [ 924.118515][ C0] ? enqueue_to_backlog+0x210/0x10c0 [ 924.123805][ C0] ? lock_chain_count+0x20/0x20 [ 924.128669][ C0] ? find_held_lock+0x2d/0x110 [ 924.133698][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 924.139865][ C0] ? mark_held_locks+0x9f/0xe0 [ 924.144635][ C0] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 924.150447][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 924.155743][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 924.161554][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 924.167293][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 924.173803][ C0] kasan_set_track+0x21/0x30 [ 924.178399][ C0] kasan_set_free_info+0x20/0x30 [ 924.183345][ C0] __kasan_slab_free+0xff/0x130 [ 924.188202][ C0] slab_free_freelist_hook+0x8b/0x1c0 [ 924.193583][ C0] ? skb_release_data+0x65a/0x790 [ 924.198610][ C0] kfree+0xf6/0x560 [ 924.202422][ C0] ? find_held_lock+0x2d/0x110 [ 924.207212][ C0] skb_release_data+0x65a/0x790 [ 924.212071][ C0] kfree_skb+0x133/0x3f0 [ 924.216329][ C0] enqueue_to_backlog+0x210/0x10c0 [ 924.221484][ C0] netif_rx_internal+0x120/0x640 [ 924.226456][ C0] ? enqueue_to_backlog+0x10c0/0x10c0 [ 924.231862][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 924.238123][ C0] ? br_multicast_count+0x84/0xb40 [ 924.243281][ C0] netif_rx+0x7f/0x510 [ 924.247380][ C0] __br_multicast_send_query+0x31df/0x3aa0 [ 924.253241][ C0] ? br_multicast_count+0xb40/0xb40 [ 924.258460][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 924.264466][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 924.270453][ C0] ? br_multicast_send_query+0x3e4/0x4b0 [ 924.276095][ C0] br_multicast_send_query+0x266/0x4b0 [ 924.281562][ C0] ? br_multicast_port_group_rexmit+0x5f0/0x5f0 [ 924.287819][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 924.292853][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 924.297811][ C0] ? br_multicast_query_expired.constprop.0+0x1b0/0x1b0 [ 924.304762][ C0] br_multicast_query_expired.constprop.0+0x168/0x1b0 [ 924.311539][ C0] call_timer_fn+0x1a5/0x6b0 [ 924.316134][ C0] ? add_timer_on+0x4a0/0x4a0 [ 924.320817][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 924.325685][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 924.330893][ C0] ? br_multicast_query_expired.constprop.0+0x1b0/0x1b0 [ 924.337927][ C0] __run_timers.part.0+0x675/0xa20 [ 924.343049][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 924.347820][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 924.353022][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 924.358061][ C0] run_timer_softirq+0xb3/0x1d0 [ 924.362915][ C0] __do_softirq+0x29b/0x9c2 [ 924.367427][ C0] ? __irq_exit_rcu+0x180/0x180 [ 924.372285][ C0] run_ksoftirqd+0x2d/0x60 [ 924.376723][ C0] smpboot_thread_fn+0x645/0x9c0 [ 924.381690][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 924.387954][ C0] kthread+0x405/0x4f0 [ 924.392046][ C0] ? set_kthread_struct+0x130/0x130 [ 924.397254][ C0] ret_from_fork+0x1f/0x30 [ 924.401693][ C0]