bridge0: received packet on vlan3 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:18, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16626/1:b..l P16897/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=57157, q=494 ncpus=2)
task:syz.2.3157 state:R running task stack:25296 pid:16897 tgid:16896 ppid:15702 flags:0x00004006
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_start+0xd2/0x740 arch/x86/kernel/unwind_orc.c:768
Code: 84 c0 0f 85 64 05 00 00 c6 03 01 4c 89 f0 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 30 05 00 00 41 c7 06 00 00 00 00 48 83 c4 28 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 4d 85 e4 0f 85 a7 00 00
RSP: 0018:ffffc900044c6d70 EFLAGS: 00000282
RAX: ffffc900044c6e30 RBX: ffffc900044c6e90 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc900044c0000 RDI: 0000000000000001
RBP: 1ffff92000898db5 R08: ffffc900044c6e30 R09: 0000000000000000
R10: ffffc900044c6df0 R11: fffff52000898dc0 R12: 1ffff92000898db6
R13: ffffc900044c6db0 R14: ffffc900044c6da0 R15: ffffc900044c6da8
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_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4317
__kmemdup_nul mm/util.c:61 [inline]
kstrdup+0x39/0xb0 mm/util.c:81
__kernfs_new_node+0x9d/0x870 fs/kernfs/dir.c:620
kernfs_new_node+0x137/0x240 fs/kernfs/dir.c:700
__kernfs_create_file+0x49/0x2e0 fs/kernfs/file.c:1034
sysfs_add_file_mode_ns+0x24a/0x310 fs/sysfs/file.c:313
create_files fs/sysfs/group.c:76 [inline]
internal_create_group+0x782/0x12d0 fs/sysfs/group.c:183
internal_create_groups fs/sysfs/group.c:223 [inline]
sysfs_create_groups+0x56/0x120 fs/sysfs/group.c:249
setup_port drivers/infiniband/core/sysfs.c:1258 [inline]
ib_setup_port_attrs+0xfae/0x2440 drivers/infiniband/core/sysfs.c:1444
add_one_compat_dev+0x51a/0x710 drivers/infiniband/core/device.c:976
rdma_dev_init_net+0x1f1/0x280 drivers/infiniband/core/device.c:1192
ops_init+0x31e/0x590 net/core/net_namespace.c:138
setup_net+0x287/0x9e0 net/core/net_namespace.c:362
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:516
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x57d/0xa70 kernel/fork.c:3333
__do_sys_unshare kernel/fork.c:3404 [inline]
__se_sys_unshare kernel/fork.c:3402 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3402
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: 0033:0x7faf08585d29
RSP: 002b:00007faf09455038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007faf08775fa0 RCX: 00007faf08585d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000042000000
RBP: 00007faf08601b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007faf08775fa0 R15: 00007fff1d60b2b8
task:syz-executor state:R running task stack:22784 pid:16626 tgid:16626 ppid:5816 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1705 [inline]
zap_pmd_range mm/memory.c:1753 [inline]
zap_pud_range mm/memory.c:1782 [inline]
zap_p4d_range mm/memory.c:1803 [inline]
unmap_page_range+0x36c3/0x4040 mm/memory.c:1824
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914
exit_mmap+0x275/0xc20 mm/mmap.c:1672
__mmput+0x115/0x3c0 kernel/fork.c:1348
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9ad/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3017
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8071b7bf53
RSP: 002b:00007ffffcd248f8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000040ff RCX: 00007f8071b7bf53
RDX: 0000000040000000 RSI: 00007ffffcd2490c RDI: 00000000ffffffff
RBP: 00007ffffcd2490c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 9196 jiffies! g57157 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:26264 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-01065-g7a1723d3b230 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:rcu_lockdep_current_cpu_online+0x6a/0x120 kernel/rcu/tree.c:4777
Code: 00 00 49 be 00 00 00 00 00 fc ff df 48 8d 1c dd 50 2b 2f 8e 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 f6 6b 80 00 <48> 8b 03 48 8d 98 80 f8 03 00 48 8d b8 a0 f8 03 00 48 89 f8 48 c1
RSP: 0018:ffffc900001e6d50 EFLAGS: 00000246
RAX: 1ffffffff1c5e56b RBX: ffffffff8e2f2b58 RCX: 0000000080000100
RDX: ffff88801d6f0000 RSI: ffffffff8c5fb080 RDI: ffffffff8c5fb040
RBP: ffff88806241bcb8 R08: ffffffff899afe96 R09: ffffc900001e70b0
R10: ffffc900001e70a0 R11: fffff5200003cde2 R12: ffff8880516b8000
R13: ffff88806241bccf R14: dffffc0000000000 R15: 1ffff1100c483797
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c32d2a4 CR3: 000000006a392000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:113 [inline]
rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349
__in6_dev_get include/net/addrconf.h:347 [inline]
ip6_ignore_linkdown include/net/addrconf.h:438 [inline]
find_match+0xf9/0xc10 net/ipv6/route.c:747
__find_rr_leaf+0x275/0x8e0 net/ipv6/route.c:835
find_rr_leaf net/ipv6/route.c:856 [inline]
rt6_select net/ipv6/route.c:900 [inline]
fib6_table_lookup+0x413/0xbb0 net/ipv6/route.c:2195
ip6_pol_route+0x273/0x15d0 net/ipv6/route.c:2231
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x58c/0x790 net/ipv6/fib6_rules.c:119
ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
ip6_route_input+0x859/0xd90 net/ipv6/route.c:2596
ip6_rcv_finish+0x144/0x180 net/ipv6/ip6_input.c:77
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5725 [inline]
__netif_receive_skb+0x1ea/0x650 net/core/dev.c:5838
process_backlog+0x662/0x15b0 net/core/dev.c:6170
__napi_poll+0xcb/0x490 net/core/dev.c:6953
napi_poll net/core/dev.c:7022 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7144
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
net_ratelimit: 9825 callbacks suppressed
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0)
bridge0: received packet on vlan2 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:18, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan2 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:0c, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
net_ratelimit: 12816 callbacks suppressed
bridge0: received packet on vlan3 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on vlan2 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:0c, vlan:0)
bridge0: received packet on vlan2 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:18, vlan:0)
bridge0: received packet on vlan2 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:18, vlan:0)
bridge0: received packet on vlan2 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0)