bridge0: received packet on bridge_slave_0 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): P12303/1:b..l P12340/1:b..l P6196/1:b..l P12342/1:b..l P12361/1:b..l
rcu: (detected by 1, t=10504 jiffies, g=48137, q=908 ncpus=2)
task:modprobe state:R running task stack:25280 pid:12361 tgid:12361 ppid:9595 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 40 43 8c 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc9001001f398 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92002003e74 RCX: 0000000059345776
RDX: 0000000000000001 RSI: ffffffff8b4cd3e0 RDI: ffffffff8bb13940
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2d36f98
R10: ffffffff969b7cc7 R11: 0000000000000002 R12: 0000000000000000
R13: ffffffff8ddba940 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3a/0x310 mm/page_ext.c:525
__page_table_check_zero+0xbf/0x360 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:1128 [inline]
free_unref_page+0x6c8/0x1080 mm/page_alloc.c:2657
__put_partials+0x14c/0x170 mm/slub.c:3142
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4104 [inline]
slab_alloc_node mm/slub.c:4153 [inline]
kmem_cache_alloc_noprof+0x1c8/0x3b0 mm/slub.c:4160
vm_area_dup+0x21/0x300 kernel/fork.c:487
__split_vma+0x181/0x1210 mm/vma.c:434
vms_gather_munmap_vmas+0x38b/0x1730 mm/vma.c:1288
__mmap_prepare mm/vma.c:2241 [inline]
__mmap_region+0x31d/0x2670 mm/vma.c:2443
mmap_region+0x127/0x320 mm/mmap.c:1347
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x360 mm/util.c:580
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc0d8f23b74
RSP: 002b:00007ffe4c8f6058 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffe4c8f6108 RCX: 00007fc0d8f23b74
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fc0d8c78000
RBP: 00007ffe4c8f6430 R08: 0000000000000000 R09: 0000000000022000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fc0d8f00fc0
R13: 00007ffe4c8f64b8 R14: 0000000000021bd8 R15: 0000000000000000
task:syz.7.1513 state:R running task stack:26944 pid:12342 tgid:12342 ppid:9623 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
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]
finish_fault+0x9e7/0x1010 mm/memory.c:5192
do_read_fault mm/memory.c:5326 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing+0xee6/0x3e00 mm/memory.c:3979
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0xb40000
RSP: 002b:000000000000000d EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f5312946080 RCX: 00007f531277fed9
RDX: ffffffffffffffff RSI: 0000000000000005 RDI: 0000000000008001
RBP: 00007f53127f3cc8 R08: 0000000000000006 R09: 0000000000000000
R10: ffffffffff600000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5312946080 R15: 00007ffdea716e58
task:syz-executor state:R running task stack:23376 pid:6196 tgid:6196 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x1776/0x20c0 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
save_stack+0x162/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x8d/0x400 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+0x661/0x1080 mm/page_alloc.c:2657
__put_partials+0x14c/0x170 mm/slub.c:3142
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4104 [inline]
slab_alloc_node mm/slub.c:4153 [inline]
__kmalloc_cache_noprof+0x202/0x420 mm/slub.c:4309
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
ref_tracker_alloc+0x17c/0x5b0 lib/ref_tracker.c:203
__netns_tracker_alloc include/net/net_namespace.h:340 [inline]
netns_tracker_alloc include/net/net_namespace.h:349 [inline]
get_net_track include/net/net_namespace.h:366 [inline]
sk_alloc+0x206/0xb90 net/core/sock.c:2230
inet_create net/ipv4/af_inet.c:326 [inline]
inet_create+0x3a1/0x10a0 net/ipv4/af_inet.c:252
__sock_create+0x335/0x8d0 net/socket.c:1558
sock_create net/socket.c:1616 [inline]
__sys_socket_create net/socket.c:1653 [inline]
__sys_socket+0x14f/0x260 net/socket.c:1700
__do_sys_socket net/socket.c:1714 [inline]
__se_sys_socket net/socket.c:1712 [inline]
__x64_sys_socket+0x72/0xb0 net/socket.c:1712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4da981df7
RSP: 002b:00007fff66b2ed98 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fc4da981df7
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00007fff66b2f4bc R08: 00007fff66b2edec R09: 00007fff66b2f1d7
R10: 00007fff66b2ee40 R11: 0000000000000206 R12: 00007fc4dab0de40
R13: 000000000008cfc4 R14: 000000000008cf1e R15: 00007fc4dab10000
task:syz.6.1515 state:R running task stack:24576 pid:12340 tgid:12339 ppid:9241 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x3e5/0x6f0 kernel/locking/lockdep.c:5857
Code: 7e 83 f8 01 0f 85 fe 01 00 00 9c 58 f6 c4 02 0f 85 e9 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 48 8b 84 24 88
RSP: 0018:ffffc90010756ff8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920020eae01 RCX: ffffc90010757048
RDX: 1ffff1100587a8da RSI: ffffffff8b4cd3e0 RDI: ffffffff8bb13940
RBP: 463b2b805c244cfe R08: 0000000000000000 R09: fffffbfff203980a
R10: ffffffff901cc057 R11: 0000000000000002 R12: 0000000000000002
R13: 0000000000000003 R14: ffff88802c3d46d8 R15: ffff88802c3d3c00
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
mt_find+0x832/0xa20 lib/maple_tree.c:6948
find_vma+0xc0/0x140 mm/mmap.c:956
gup_vma_lookup+0x24/0x220 mm/gup.c:1336
__get_user_pages+0x236/0x3b50 mm/gup.c:1453
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xff/0x230 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2787/0x3880 fs/binfmt_elf.c:2129
do_coredump+0x2dd5/0x43e0 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3002
arch_do_signal_or_restart+0x90/0x7e0 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+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f55912406d0
RSP: 002b:00007f559221fb38 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f5591545fa8 RCX: 00007f559137fed9
RDX: 00007f559221fb40 RSI: 00007f559221fc70 RDI: 000000000000000b
RBP: 00007f5591545fa0 R08: 00007f5592221000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f5591545fac
R13: 0000000000000000 R14: 00007ffd74b13500 R15: 00007ffd74b135e8
task:syz.1.1505 state:R running task stack:24624 pid:12303 tgid:12303 ppid:5825 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 40 43 8c 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900107df008 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff920020fbe02 RCX: 0000000037c0d259
RDX: 0000000000000001 RSI: ffffffff8b4cd3e0 RDI: ffffffff8bb13940
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2d36f98
R10: ffffffff969b7cc7 R11: 0000000000000002 R12: 0000000000000000
R13: ffffffff8ddba940 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
mt_find+0x15a/0xa20 lib/maple_tree.c:6927
find_vma+0xc0/0x140 mm/mmap.c:956
gup_vma_lookup+0x24/0x220 mm/gup.c:1336
__get_user_pages+0x236/0x3b50 mm/gup.c:1453
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xff/0x230 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2787/0x3880 fs/binfmt_elf.c:2129
do_coredump+0x2dd5/0x43e0 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3002
arch_do_signal_or_restart+0x90/0x7e0 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]
irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x401000
RSP: 002b:0000000000000010 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f0cf7746080 RCX: 00007f0cf757fed9
RDX: ffffffffffffffff RSI: 0000000000000008 RDI: 000000000000005c
RBP: 00007f0cf75f3cc8 R08: fffffffffffffffe R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0cf7746080 R15: 00007ffcc79ebbf8
rcu: rcu_preempt kthread starved for 8994 jiffies! g48137 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:27456 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:find_match+0x6/0x15d0 net/ipv6/route.c:739
Code: c7 90 e6 c9 8f e8 aa 25 2d f8 e9 7f f7 ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 <49> bf 00 00 00 00 00 fc ff df 48 8d 85 70 ff ff ff 41 56 48 c1 e8
RSP: 0018:ffffc900001e7360 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888029114c00 RCX: 0000000000000003
RDX: 000000000000001e RSI: 0000000000000001 RDI: ffff888029114cb8
RBP: ffffc900001e7368 R08: ffffc900001e7578 R09: ffffc900001e7568
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888029114c64
R13: ffffc900001e7680 R14: 0000000000000001 R15: ffff888029114cb8
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000009 CR3: 000000003196a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__find_rr_leaf+0x141/0xe00 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+0x57e/0xa30 net/ipv6/route.c:2195
ip6_pol_route+0x1cd/0x1120 net/ipv6/route.c:2231
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x536/0x720 net/ipv6/fib6_rules.c:117
ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
ip6_route_input+0x60b/0xc10 net/ipv6/route.c:2596
ip6_rcv_finish_core.constprop.0+0x1a0/0x5d0 net/ipv6/ip6_input.c:66
ip6_rcv_finish net/ipv6/ip6_input.c:77 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
ipv6_rcv+0x1e4/0x680 net/ipv6/ip6_input.c:309
__netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5672
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
process_backlog+0x443/0x15f0 net/core/dev.c:6117
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7074
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
run_ksoftirqd kernel/softirq.c:943 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:935
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)