bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16674/1:b..l P5828/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=39825, q=1287 ncpus=2)
task:syz-executor state:R running task stack:19200 pid:5828 tgid:5828 ppid:5826 flags:0x00000000
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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:124 [inline]
RIP: 0010:lock_release+0x1af/0xa30 kernel/locking/lockdep.c:5866
Code: c7 84 24 b0 00 00 00 00 00 00 00 9c 8f 84 24 b0 00 00 00 42 80 3c 3b 00 74 08 4c 89 f7 e8 b9 04 8b 00 48 8b 9c 24 b0 00 00 00 48 c7 c7 20 a6 0a 8c e8 64 01 51 0a 65 ff 05 cd b2 87 7e 48 8d
RSP: 0018:ffffc90003e5f8c0 EFLAGS: 00000246
RAX: ffffffff93e2d750 RBX: 0000000000000246 RCX: ffffffff817ad6a0
RDX: 0000000000000000 RSI: ffffffff8c5fb0c0 RDI: ffffffff8c5fb080
RBP: ffffc90003e5f9e8 R08: ffffffff901a3bb7 R09: 1ffffffff2034776
R10: dffffc0000000000 R11: fffffbfff2034777 R12: 1ffff920007cbf24
R13: ffffffff821165a7 R14: ffffc90003e5f970 R15: dffffc0000000000
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
page_ext_put+0xa3/0xc0 mm/page_ext.c:550
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page+0xd53/0x1010 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
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:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4175
sk_prot_alloc+0x58/0x210 net/core/sock.c:2175
sk_alloc+0x38/0x370 net/core/sock.c:2234
inet_create+0x648/0xea0 net/ipv4/af_inet.c:326
__sock_create+0x4c0/0xa30 net/socket.c:1569
sock_create net/socket.c:1627 [inline]
__sys_socket_create net/socket.c:1664 [inline]
__sys_socket+0x150/0x3c0 net/socket.c:1711
__do_sys_socket net/socket.c:1725 [inline]
__se_sys_socket net/socket.c:1723 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1723
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: 0033:0x7ff350587c47
RSP: 002b:00007ffcdeafb558 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff350587c47
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00007ffcdeafbc7c R08: 00007ffcdeafb5ac R09: 00007ffcdeafb997
R10: 00007ffcdeafb600 R11: 0000000000000206 R12: 00007ff350748e40
R13: 000000000005046b R14: 00007ffcdeafbcd0 R15: 00007ff35074b000
task:syz-executor state:R running task stack:26752 pid:16674 tgid:16674 ppid:5836 flags:0x00000004
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:preempt_count_sub+0x66/0x170 kernel/sched/core.c:5887
Code: c1 81 e1 ff ff ff 7f 39 d9 7c 27 81 fb fe 00 00 00 77 07 0f b6 c0 85 c0 74 5f 65 8b 05 4b 53 96 7e f7 db 65 01 1d 42 53 96 7e <5b> 41 5e c3 cc cc cc cc 90 e8 7c 3f 51 03 85 c0 74 3a 48 c7 c0 54
RSP: 0018:ffffc90004ec7778 EFLAGS: 00000297
RAX: 0000000080000001 RBX: 00000000ffffffff RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffc90004ec0000 RDI: 0000000000000001
RBP: ffffc90004ec78c0 R08: ffffc90004ec78b0 R09: 0000000000000000
R10: ffffc90004ec7910 R11: fffff520009d8f24 R12: dffffc0000000000
R13: ffffc90004ec78c0 R14: dffffc0000000000 R15: ffffc90004ec78c0
unwind_next_frame+0x18e6/0x22d0 arch/x86/kernel/unwind_orc.c:672
__unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
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+0xd3f/0x1010 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
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:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4175
getname_flags+0xb7/0x540 fs/namei.c:139
getname fs/namei.c:223 [inline]
__do_sys_symlinkat fs/namei.c:4711 [inline]
__se_sys_symlinkat fs/namei.c:4708 [inline]
__x64_sys_symlinkat+0x7a/0xb0 fs/namei.c:4708
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: 0033:0x7f84bc1852a7
RSP: 002b:00007ffe4c5b5948 EFLAGS: 00000206 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84bc1852a7
RDX: 00007f84bc203318 RSI: 00000000ffffff9c RDI: 00007ffe4c5b59d0
RBP: 00007ffe4c5b597c R08: 0000000000000017 R09: 00007ffe4c5b5697
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 00000000000503ed R14: 00007ffe4c5b59d0 R15: 00007ffe4c5b59d0
rcu: rcu_preempt kthread starved for 9606 jiffies! g39825 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: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:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc5-syzkaller-00786-g286bb9985f36 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:393 [inline]
RIP: 0010:deref_stack_reg+0x57/0x210 arch/x86/kernel/unwind_orc.c:403
Code: 03 41 80 3c 14 00 48 89 34 24 74 16 48 89 ef e8 bf 0d ba 00 4c 8b 04 24 48 ba 00 00 00 00 00 fc ff df 49 8b 76 08 49 8d 5e 10 <49> 89 dd 49 c1 ed 03 41 80 7c 15 00 00 74 1c 48 89 df 49 89 f7 e8
RSP: 0018:ffffc900001e5ed8 EFLAGS: 00000246
RAX: fffffffffffffff0 RBX: ffffc900001e6010 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffc900001e0000 RDI: ffffc900001e6000
RBP: ffffc900001e6008 R08: ffffc900001e6850 R09: 0000000000000000
R10: ffffc900001e6050 R11: fffff5200003cc0c R12: 1ffff9200003cc01
R13: ffffc900001e6000 R14: ffffc900001e6000 R15: ffffc900001e6050
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005648f90add88 CR3: 00000000615d2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0x1799/0x22d0
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kmem_cache_free+0x195/0x410 mm/slub.c:4715
skb_ext_del include/linux/skbuff.h:4911 [inline]
nf_bridge_info_free net/bridge/br_netfilter_hooks.c:156 [inline]
br_nf_dev_queue_xmit+0x4cb/0x2390 net/bridge/br_netfilter_hooks.c:882
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_post_routing+0xa20/0xe80 net/bridge/br_netfilter_hooks.c:997
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_finish+0xd8/0x130 net/bridge/br_forward.c:66
br_nf_forward_finish+0xb49/0xfb0 net/bridge/br_netfilter_hooks.c:693
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_forward_ip+0x61e/0x7b0 net/bridge/br_netfilter_hooks.c:747
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
deliver_clone net/bridge/br_forward.c:131 [inline]
maybe_deliver+0xb3/0x150 net/bridge/br_forward.c:190
br_flood+0x2e4/0x680 net/bridge/br_forward.c:237
br_handle_frame_finish+0x18d2/0x2000 net/bridge/br_input.c:220
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:282 [inline]
br_handle_frame+0x9f3/0x1530 net/bridge/br_input.c:433
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5568
__netif_receive_skb_one_core net/core/dev.c:5672 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5787
process_backlog+0x662/0x15b0 net/core/dev.c:6119
__napi_poll+0xcb/0x490 net/core/dev.c:6885
napi_poll net/core/dev.c:6954 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7076
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
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
net_ratelimit: 16466 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:7a:72:84:08:37:a4, vlan:0)