bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P27/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=316725, q=255 ncpus=2)
task:kdevtmpfs state:R running task stack:24312 pid:27 tgid:27 ppid:2 flags:0x00004000
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:unwind_next_frame+0x1976/0x22d0 arch/x86/kernel/unwind_orc.c:682
Code: 44 24 20 42 0f b6 04 20 84 c0 0f 85 2d 01 00 00 41 c7 45 00 00 00 00 00 31 c0 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 cc cc cc cc 4d 89 f4 4c 89 f5 4c 89 e8 48 29 e8 48 89 c1 48
RSP: 0018:ffffc90000a27570 EFLAGS: 00000286
RAX: 0000000080000001 RBX: ffffc90000a27580 RCX: 0000000080000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000a27580 R08: ffffc90000a275df R09: 0000000000000000
R10: ffffc90000a275d0 R11: fffff52000144ebc R12: ffff88801daa0000
R13: ffffffff81810ba0 R14: ffffc90000a27660 R15: 0000000000000000
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xdf9/0x1140 mm/page_alloc.c:2657
discard_slab mm/slub.c:2677 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3145
put_cpu_partial+0x17c/0x250 mm/slub.c:3220
__slab_free+0x2ea/0x3d0 mm/slub.c:4449
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
__do_kmalloc_node mm/slub.c:4263 [inline]
__kmalloc_node_track_caller_noprof+0x1cd/0x440 mm/slub.c:4283
kstrdup+0x3a/0x80 mm/util.c:64
delete_path drivers/base/devtmpfs.c:268 [inline]
handle_remove drivers/base/devtmpfs.c:352 [inline]
handle drivers/base/devtmpfs.c:386 [inline]
devtmpfs_work_loop+0x684/0x1040 drivers/base/devtmpfs.c:399
devtmpfsd+0x4c/0x50 drivers/base/devtmpfs.c:441
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: rcu_preempt kthread starved for 10542 jiffies! g316725 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:25976 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: 3394 Comm: kworker/R-bat_e Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: bat_events batadv_tt_purge
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
RIP: 0010:lock_acquire+0x20a/0x550 kernel/locking/lockdep.c:5851
Code: 00 ff 75 10 ff 74 24 48 e8 c3 04 00 00 48 83 c4 28 48 c7 c7 c0 e4 0a 8c e8 a3 79 56 0a b8 ff ff ff ff 65 0f c1 05 46 fd 91 7e <83> f8 01 0f 85 a3 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74
RSP: 0018:ffffc90000006f40 EFLAGS: 00000057
RAX: 0000000000000001 RBX: ffffc90000006fa0 RCX: ffff8880314cc6d8
RDX: dffffc0000000000 RSI: ffffffff8c0ae4c0 RDI: ffffffff8c6072a0
RBP: ffffc90000007088 R08: ffffffff942e5887 R09: 1ffffffff285cb10
R10: dffffc0000000000 R11: fffffbfff285cb11 R12: 1ffff92000000df0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f569f462440 CR3: 000000004a096000 CR4: 00000000003526f0
Call Trace:
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
net_generic+0x3c/0x240 include/net/netns/generic.h:45
is_vlan_ip net/bridge/br_netfilter_hooks.c:93 [inline]
br_nf_forward+0xd8/0x18b0 net/bridge/br_netfilter_hooks.c:799
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+0x2a7/0x460 include/linux/netfilter.h:312
__br_forward+0x489/0x660 net/bridge/br_forward.c:115
br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
nf_hook_bridge_pre net/bridge/br_input.c:299 [inline]
br_handle_frame+0xbf8/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5566
__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:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
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]
batadv_tt_global_purge net/batman-adv/translation-table.c:2257 [inline]
batadv_tt_purge+0x4dd/0xa40 net/batman-adv/translation-table.c:3510
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
rescuer_thread+0x63f/0x10a0 kernel/workqueue.c:3487
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
net_ratelimit: 34950 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
net_ratelimit: 40339 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:83:52:e4:a1:af, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
warn_alloc: 1 callbacks suppressed
kworker/R-bat_e: page allocation failure: order:0, mode:0x40820(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
,cpuset=
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
/
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 105351, objs: 1264212, free: 48
,mems_allowed=0-1
CPU: 0 UID: 0 PID: 3394 Comm: kworker/R-bat_e Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: bat_events batadv_tt_purge
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
warn_alloc+0x278/0x410 mm/page_alloc.c:3548
__alloc_pages_slowpath+0xf37/0x1020 mm/page_alloc.c:4482
__alloc_pages_noprof+0x493/0x710 mm/page_alloc.c:4764
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
alloc_slab_page+0x6a/0x140 mm/slub.c:2412
allocate_slab+0x1c0/0x2f0 mm/slub.c:2586
new_slab mm/slub.c:2631 [inline]
___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818
__slab_alloc+0x58/0xa0 mm/slub.c:3908
__slab_alloc_node mm/slub.c:3961 [inline]
slab_alloc_node mm/slub.c:4122 [inline]
kmem_cache_alloc_noprof+0x1c1/0x2a0 mm/slub.c:4141
skb_clone+0x20c/0x390 net/core/skbuff.c:2084
deliver_clone net/bridge/br_forward.c:125 [inline]
maybe_deliver+0x96/0x150 net/bridge/br_forward.c:190
br_flood+0x2e4/0x660 net/bridge/br_forward.c:236
br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
nf_hook_bridge_pre net/bridge/br_input.c:299 [inline]
br_handle_frame+0xbf8/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5566
__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:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
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]
batadv_tt_global_purge net/batman-adv/translation-table.c:2257 [inline]
batadv_tt_purge+0x4dd/0xa40 net/batman-adv/translation-table.c:3510
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
rescuer_thread+0x63f/0x10a0 kernel/workqueue.c:3487
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
kthread+0x2f0/0x390 kernel/kthread.c:389
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
node 1: slabs: 106266, objs: 1275192, free: 48
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Mem-Info:
active_anon:8161 inactive_anon:0 isolated_anon:0
active_file:21991 inactive_file:3922 isolated_file:0
unevictable:774 dirty:40 writeback:25
slab_reclaimable:6566 slab_unreclaimable:1417127
mapped:33616 shmem:1489 pagetables:1257
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:11045 free_pcp:13990 free_cma:0
Node 0 active_anon:32640kB inactive_anon:0kB active_file:86836kB inactive_file:15676kB unevictable:1552kB isolated(anon):0kB isolated(file):0kB mapped:133348kB dirty:160kB writeback:100kB shmem:4420kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:12720kB pagetables:5028kB sec_pagetables:0kB all_unreclaimable? no
Node 1 active_anon:4kB inactive_anon:0kB active_file:1128kB inactive_file:12kB unevictable:1544kB isolated(anon):0kB isolated(file):0kB mapped:1116kB 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:9852kB 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:176kB local_pcp:120kB free_cma:0kB
lowmem_reserve[]: 0 2463 2464 0 0
Node 0 DMA32 free:10256kB boost:76908kB min:111092kB low:119636kB high:128180kB reserved_highatomic:24576KB active_anon:32556kB inactive_anon:0kB active_file:86724kB inactive_file:15264kB unevictable:1552kB writepending:260kB present:3129332kB managed:2550492kB mlocked:16kB bounce:0kB free_pcp:18056kB local_pcp:5740kB 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:84kB inactive_anon:0kB active_file:112kB inactive_file:412kB unevictable:0kB writepending:0kB present:1048580kB managed:620kB mlocked:0kB bounce:0kB free_pcp:12kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:24072kB boost:0kB min:55708kB low:69632kB high:83556kB reserved_highatomic:24576KB active_anon:4kB inactive_anon:0kB active_file:1128kB inactive_file:12kB unevictable:1544kB writepending:0kB present:4194300kB managed:4111164kB mlocked:12kB bounce:0kB free_pcp:36124kB local_pcp:3136kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 9840kB
Node 0 DMA32: 666*4kB (MH) 25*8kB (H) 40*16kB (H) 5*32kB (H) 20*64kB (H) 10*128kB (H) 5*256kB (H) 3*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 10064kB
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: 3*4kB (EH) 16*8kB (MEH) 18*16kB (MEH) 17*32kB (MEH) 15*64kB (MEH) 11*128kB (MEH) 9*256kB (MH) 8*512kB (MEH) 6*1024kB (MH) 2*2048kB (ME) 1*4096kB (U) = 24076kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=1 hugepages_free=1 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=3 hugepages_free=3 hugepages_surp=0 hugepages_size=2048kB
27405 total pagecache pages
0 pages in swap cache
Free swap = 124416kB
Total swap = 124996kB
2097051 pages RAM
0 pages HighMem/MovableOnly
427642 pages reserved
0 pages cma reserved
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 107070, objs: 1284840, free: 48
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 107288, objs: 1287456, free: 48
node 1: slabs: 107288, objs: 1287456, free: 48
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 107336, objs: 1288032, free: 48
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 108834, objs: 1306008, free: 48
node 1: slabs: 108834, objs: 1306008, free: 48
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
SLUB: Unable to allocate memory on CPU 1 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 0: slabs: 74678, objs: 896136, free: 0
cache: skbuff_head_cache, object size: 240, buffer size: 320, default order: 0, min order: 0
node 1: slabs: 108834, objs: 1306008, free: 48
node 0: slabs: 74678, objs: 896136, free: 0
node 1: slabs: 108834, objs: 1306008, free: 48