bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:c6:d8:f2:1a:96, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8138/1:b..l P7949/1:b..l P8140/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=24689, q=547 ncpus=2)
task:modprobe state:R running task stack:22784 pid:8140 tgid:8140 ppid:11 flags:0x00004002
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
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: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]
kmem_cache_alloc_bulk_noprof+0x4fa/0x7c0 mm/slub.c:5129
mt_alloc_bulk lib/maple_tree.c:181 [inline]
mas_alloc_nodes+0x38e/0x7e0 lib/maple_tree.c:1275
mas_node_count_gfp lib/maple_tree.c:1335 [inline]
mas_preallocate+0x575/0x8d0 lib/maple_tree.c:5545
vma_iter_prealloc mm/vma.h:349 [inline]
__split_vma+0x302/0xc50 mm/vma.c:447
split_vma mm/vma.c:510 [inline]
vma_modify+0x244/0x330 mm/vma.c:1528
vma_modify_flags+0x3a5/0x430 mm/vma.c:1546
mprotect_fixup+0x45a/0xaa0 mm/mprotect.c:666
do_mprotect_pkey+0x8d7/0xd70 mm/mprotect.c:840
__do_sys_mprotect mm/mprotect.c:861 [inline]
__se_sys_mprotect mm/mprotect.c:858 [inline]
__x64_sys_mprotect+0x80/0x90 mm/mprotect.c:858
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: 0033:0x7f858094fbb7
RSP: 002b:00007ffc053517a8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f8580963ab0 RCX: 00007f858094fbb7
RDX: 0000000000000001 RSI: 0000000000002000 RDI: 00007f8580961000
RBP: 00007ffc053518c0 R08: 00007ffc05350000 R09: 00007f858092c5c0
R10: 00007f8580934858 R11: 0000000000000206 R12: 00007f8580963ab0
R13: 00007f8580957eda R14: 00007f85809629f0 R15: 00007f8580962f40
task:syz.7.424 state:R running task stack:24536 pid:7949 tgid:7923 ppid:6469 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:native_save_fl arch/x86/include/asm/irqflags.h:26 [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_acquire+0x17f/0x550 kernel/locking/lockdep.c:5845
Code: 4c 8d bc 24 80 00 00 00 4c 89 fb 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 ff e8 fd 2c 8b 00 48 c7 84 24 80 00 00 00 00 00 00 00 <9c> 8f 84 24 80 00 00 00 42 80 3c 2b 00 74 08 4c 89 ff e8 ea 2b 8b
RSP: 0018:ffffc9000df2f680 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff92001be5ee0 RCX: ffffffff817aaf04
RDX: 0000000000000000 RSI: ffffffff8c5fb0c0 RDI: ffffffff8c5fb080
RBP: ffffc9000df2f7c8 R08: ffffffff90197e77 R09: 1ffffffff2032fce
R10: dffffc0000000000 R11: fffffbfff2032fcf R12: 1ffff92001be5ed8
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000df2f700
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
mod_memcg_page_state+0xb8/0x800 include/linux/memcontrol.h:936
vfree+0x1af/0x360 mm/vmalloc.c:3378
kcov_put kernel/kcov.c:439 [inline]
kcov_close+0x28/0x50 kernel/kcov.c:535
__fput+0x23c/0xa50 fs/file_table.c:450
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2a/0x28e0 kernel/exit.c:938
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: 0033:0x7f79a3985d29
RSP: 002b:00007f79a4829038 EFLAGS: 00000246 ORIG_RAX: 000000000000001a
RAX: ffffffffffffffea RBX: 00007f79a3b76240 RCX: 00007f79a3985d29
RDX: 0000000000000006 RSI: 087abbe8d1cc6ad9 RDI: 0000000020952000
RBP: 00007f79a3a01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f79a3b76240 R15: 00007f79a3c9fa28
task:syz.4.465 state:R running task stack:24880 pid:8138 tgid:8136 ppid:5843 flags:0x00004002
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
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: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
alloc_buffer_head+0x2a/0x290 fs/buffer.c:3015
folio_alloc_buffers+0x31f/0x640 fs/buffer.c:924
create_empty_buffers+0x3a/0x530 fs/buffer.c:1662
__block_write_full_folio+0xd4/0xed0 fs/buffer.c:1818
write_cache_pages+0xd0/0x230 mm/page-writeback.c:2659
blkdev_writepages+0xa9/0x100 block/fops.c:433
do_writepages+0x35f/0x880 mm/page-writeback.c:2702
filemap_fdatawrite_wbc mm/filemap.c:397 [inline]
__filemap_fdatawrite_range mm/filemap.c:430 [inline]
filemap_write_and_wait_range+0x283/0x3a0 mm/filemap.c:684
blkdev_read_iter+0x18c/0x430 block/fops.c:755
aio_read+0x363/0x500 fs/aio.c:1602
io_submit_one+0x884/0x18a0 fs/aio.c:2052
__do_sys_io_submit fs/aio.c:2111 [inline]
__se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081
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: 0033:0x7f33c4985d29
RSP: 002b:00007f33c586d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f33c4b76080 RCX: 00007f33c4985d29
RDX: 00000000200000c0 RSI: 00000000000000ca RDI: 00007f33c5833000
RBP: 00007f33c4a01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f33c4b76080 R15: 00007f33c4c9fa28
rcu: rcu_preempt kthread starved for 10635 jiffies! g24689 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:25616 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-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:217 [inline]
RIP: 0010:unwind_next_frame+0x1cb/0x22d0 arch/x86/kernel/unwind_orc.c:494
Code: b6 e2 0c 00 0f 45 d1 8d 42 ff 44 39 f0 0f 86 55 18 00 00 44 89 f0 48 8d 1c 85 d4 02 49 91 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 4c 89 e5 0f 85 97 1a 00 00 44 8b 23 44 89 f0 ff c0 48 8d 1c
RSP: 0018:ffffc900001e5ff0 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffffff914d196c RCX: 00000000000b0001
RDX: 00000000000b0001 RSI: ffffffff8205a619 RDI: 0000000000000001
RBP: ffffc900001e60f5 R08: 0000000000000002 R09: ffffc900001e61b0
R10: ffffc900001e6110 R11: ffffffff818b39d0 R12: dffffc0000000000
R13: ffffc900001e60c0 R14: 00000000000105a6 R15: ffffffff8205a618
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1bd31452d8 CR3: 000000007caa8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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:4882 [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
br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
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+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:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7074
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:e2:c6:d8:f2:1a:96, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:c6:d8:f2:1a:96, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:c6:d8:f2:1a:96, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:c6:d8:f2:1a:96, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:c6:d8:f2:1a:96, vlan:0)