bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7160/1:b..l P7163/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=12217, q=1242 ncpus=2)
task:syz.3.363 state:R running task stack:26784 pid:7163 tgid:7161 ppid:5843 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7012
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: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 00 d8 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 a0 d7 0a 8c e8 65 1b 00 00 65 ff 05 5e bf
RSP: 0018:ffffc900182079a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000080000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8e937da0
RBP: 0000000000000180 R08: ffffffff820b68ce R09: 1ffffffff285ab00
R10: dffffc0000000000 R11: fffffbfff285ab01 R12: 00000000000627c6
R13: ffff888012b1da00 R14: 00000000ffffffff R15: ffffffff8e937da0
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_get+0x192/0x2a0 mm/page_ext.c:526
__page_table_check_zero+0xb1/0x350 mm/page_table_check.c:148
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1109 [inline]
free_unref_page+0xd0f/0xf20 mm/page_alloc.c:2638
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_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:257 [inline]
__do_kmalloc_node mm/slub.c:4264 [inline]
__kmalloc_node_noprof+0x22a/0x440 mm/slub.c:4270
__kvmalloc_node_noprof+0x72/0x190 mm/util.c:658
netif_alloc_rx_queues net/core/dev.c:10284 [inline]
alloc_netdev_mqs+0xa72/0x1080 net/core/dev.c:11234
ppp_create_interface drivers/net/ppp/ppp_generic.c:3338 [inline]
ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:1060 [inline]
ppp_ioctl+0x71b/0x1cd0 drivers/net/ppp/ppp_generic.c:733
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893
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: 0033:0x7f8eedb7e719
RSP: 002b:00007f8eee9bf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8eedd36058 RCX: 00007f8eedb7e719
RDX: 0000000020000100 RSI: 00000000c004743e RDI: 0000000000000008
RBP: 00007f8eedbf132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8eedd36058 R15: 00007ffd8734b108
task:modprobe state:R running task stack:23072 pid:7160 tgid:7160 ppid:2975 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6869
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6893
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
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:1108 [inline]
free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
__slab_free+0x31b/0x3d0 mm/slub.c:4490
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]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
mt_alloc_one lib/maple_tree.c:162 [inline]
mas_alloc_nodes+0x26c/0x840 lib/maple_tree.c:1241
mas_node_count_gfp lib/maple_tree.c:1321 [inline]
mas_preallocate+0x554/0x8c0 lib/maple_tree.c:5546
vma_iter_prealloc mm/vma.h:440 [inline]
__split_vma+0x302/0xc50 mm/vma.c:397
split_vma mm/vma.c:460 [inline]
vma_modify+0x153a/0x1a80 mm/vma.c:1440
vma_modify_flags+0x3a5/0x430 mm/vma.c:1458
mprotect_fixup+0x45a/0xaa0 mm/mprotect.c:664
do_mprotect_pkey+0x8d4/0xd70 mm/mprotect.c:838
__do_sys_mprotect mm/mprotect.c:859 [inline]
__se_sys_mprotect mm/mprotect.c:856 [inline]
__x64_sys_mprotect+0x80/0x90 mm/mprotect.c:856
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: 0033:0x7fea067fabb7
RSP: 002b:00007ffe6e3519b8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fea0680f2a0 RCX: 00007fea067fabb7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 0000562a1c192000
RBP: 00007ffe6e351ad0 R08: 00007ffe6e351948 R09: 00007fea067d70c0
R10: 0000562a1c18f458 R11: 0000000000000206 R12: 00007fea0680f2a0
R13: 00007fea06802eda R14: 0000562a1c192fd0 R15: 0000562a1c192f40
rcu: rcu_preempt kthread starved for 10575 jiffies! g12217 f0x0 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:25328 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: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-rc5-syzkaller-01053-gdbb9a7ef3478 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2f/0x70 kernel/kcov.c:217
Code: 8b 04 24 65 48 8b 0c 25 00 d8 03 00 65 8b 15 d0 fd 6e 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 <74> 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b
RSP: 0018:ffffc900001e6d78 EFLAGS: 00000246
RAX: ffffffff8a8eedc9 RBX: 1ffff1100c0a23b8 RCX: ffff88801d2f8000
RDX: 0000000000000100 RSI: 00000000ffffeb16 RDI: 00000000ffffeb16
RBP: ffffc900001e6e50 R08: ffffffff8a8eedbf R09: 1ffff1100c0a23b5
R10: dffffc0000000000 R11: ffffed100c0a23b6 R12: ffff888060511dc0
R13: 00000000ffffeb16 R14: ffff888060511da8 R15: 00000000ffffeb16
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea066ca8e5 CR3: 00000000797e6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
br_fdb_update+0x1f9/0x740 net/bridge/br_fdb.c:903
br_handle_frame_finish+0x739/0x1fe0 net/bridge/br_input.c:141
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x13e8/0x4570 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:6838
napi_poll net/core/dev.c:6907 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7029
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
net_ratelimit: 7448 callbacks suppressed
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 9789 callbacks suppressed
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan4 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)