rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5846/1:b..l P2970/1:b..l P6396/1:b..l P6339/1:b..l P5493/1:b..l P5815/1:b..l P5188/1:b..l
rcu: (detected by 1, t=10504 jiffies, g=14589, q=1143 ncpus=2)
task:klogd state:R running task stack:24280 pid:5188 tgid:5188 ppid:1 task_flags:0x400100 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6947
preempt_schedule+0xae/0xc0 kernel/sched/core.c:6971
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xfd/0x110 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
__wake_up_common_lock+0x190/0x1f0 kernel/sched/wait.c:108
sock_def_readable+0x1fb/0x550 net/core/sock.c:3533
unix_dgram_sendmsg+0xe3e/0x17c0 net/unix/af_unix.c:2154
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x21c/0x270 net/socket.c:727
__sys_sendto+0x3bd/0x520 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f44c5049407
RSP: 002b:00007fff3d1b2c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f44c4ef9c80 RCX: 00007f44c5049407
RDX: 00000000000000a0 RSI: 00007fff3d1b2dd0 RDI: 0000000000000003
RBP: 00007fff3d1b3200 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff3d1b3218
R13: 00007fff3d1b2dd0 R14: 0000000000000085 R15: 00007fff3d1b2dd0
task:syz-executor state:R running task stack:22992 pid:5815 tgid:5815 ppid:5814 task_flags:0x400100 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_notrace+0xd1/0x110 kernel/sched/core.c:7040
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x7f/0xb0 kernel/rcu/tree.c:737
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x4b/0x3e0 kernel/locking/lockdep.c:5877
rcu_lock_release include/linux/rcupdate.h:341 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x19a9/0x2390 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4147 [inline]
slab_alloc_node mm/slub.c:4196 [inline]
kmem_cache_alloc_node_noprof+0x1bb/0x3c0 mm/slub.c:4248
kmalloc_reserve+0xbd/0x290 net/core/skbuff.c:577
__alloc_skb+0x142/0x2d0 net/core/skbuff.c:668
alloc_skb_fclone include/linux/skbuff.h:1390 [inline]
tcp_stream_alloc_skb+0x3d/0x340 net/ipv4/tcp.c:894
tcp_sendmsg_locked+0xd2f/0x5030 net/ipv4/tcp.c:1176
tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1366
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x19c/0x270 net/socket.c:727
sock_write_iter+0x258/0x330 net/socket.c:1131
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x548/0xa90 fs/read_write.c:684
ksys_write+0x145/0x250 fs/read_write.c:736
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f041798d3e0
RSP: 002b:00007ffcd1be13d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000bb11b5a00 RCX: 00007f041798d3e0
RDX: 00000000000000f8 RSI: 00007f04101fff08 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000007 R09: 00000000003ffde8
R10: 2e6d35e6be9eb75d R11: 0000000000000202 R12: 00000000000000f8
R13: 00005555879df710 R14: 00007ffcd1be18a0 R15: 00007f04101fff08
task:dhcpcd state:R running task stack:24328 pid:5493 tgid:5493 ppid:1 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:24 [inline]
RIP: 0010:lock_acquire+0x58/0x360 kernel/locking/lockdep.c:5829
Code: 8b 05 cc a0 d7 10 48 89 44 24 58 0f 1f 44 00 00 65 8b 05 cf a0 d7 10 83 f8 08 0f 83 b8 01 00 00 89 c0 48 0f a3 05 f8 f5 e0 0d <73> 16 e8 e1 d9 08 00 84 c0 75 0d f6 05 55 ec ca 0d 01 0f 84 d7 01
RSP: 0018:ffffc90003ddf418 EFLAGS: 00000297
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8df3dee0
RBP: ffffffff8171ca05 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90003ddf5e8 R11: fffff520007bbec9 R12: 0000000000000002
R13: ffffffff8df3dee0 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
__unwind_start+0x5b9/0x760 arch/x86/kernel/unwind_orc.c:758
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe4/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_noprof+0x27a/0x4f0 mm/slub.c:4339
kmalloc_noprof include/linux/slab.h:909 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
tomoyo_encode+0x28b/0x550 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x58d/0x5d0 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x1e8/0x5a0 security/tomoyo/file.c:723
security_file_ioctl+0xcb/0x2d0 security/security.c:2913
__do_sys_ioctl fs/ioctl.c:900 [inline]
__se_sys_ioctl+0x47/0x170 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc5f122378
RSP: 002b:00007ffcd5c0b2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000055e3d0d52c50 RCX: 00007fdc5f122378
RDX: 00007ffcd5c0b2b0 RSI: 0000000000008921 RDI: 000000000000000f
RBP: 00007ffcd5c0b2b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055e3d0d333e0
R13: 000055e3d0d52c50 R14: 000055e3d0d333e0 R15: 00007ffcd5c0b500
task:syz.2.132 state:R running task stack:25592 pid:6339 tgid:6337 ppid:5842 task_flags:0x48044c flags:0x00024006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:memset_orig+0x25/0xb0 arch/x86/lib/memset_64.S:63
Code: 90 90 90 90 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 <74> 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48
RSP: 0018:ffffc90003feeff0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90003fef100 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90003fef118
RBP: dffffc0000000000 R08: ffffc90003fef127 R09: 0000000000000000
R10: ffffc90003fef118 R11: fffff520007fde25 R12: ffffc90003fef438
R13: ffffc90003fef118 R14: ffffc90003fef0c8 R15: ffffc90003fef110
unwind_next_frame+0xc98/0x2390 arch/x86/kernel/unwind_orc.c:592
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4358
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
kobject_uevent_env+0x27c/0x8c0 lib/kobject_uevent.c:540
device_del+0x73a/0x8e0 drivers/base/core.c:3899
device_unregister+0x20/0xc0 drivers/base/core.c:3922
hci_conn_cleanup net/bluetooth/hci_conn.c:175 [inline]
hci_conn_del+0x8f5/0xca0 net/bluetooth/hci_conn.c:1167
hci_conn_hash_flush+0x191/0x230 net/bluetooth/hci_conn.c:2535
hci_dev_close_sync+0xaef/0x1330 net/bluetooth/hci_sync.c:5225
hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
hci_unregister_dev+0x206/0x500 net/bluetooth/hci_core.c:2678
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:665
__fput+0x44c/0xa70 fs/file_table.c:465
task_work_run+0x1d1/0x260 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x8d6/0x2550 kernel/exit.c:953
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x125e/0x1310 kernel/signal.c:3034
arch_do_signal_or_restart+0x95/0x780 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+0x8b/0x120 kernel/entry/common.c:218
do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f910f78e969
RSP: 002b:00007f9110562038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000000100 RBX: 00007f910f9b5fa0 RCX: 00007f910f78e969
RDX: 0000000000000000 RSI: 00000000100847c0 RDI: 0000000000000005
RBP: 00007f910f810ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f910f9b5fa0 R15: 00007f910fadfa28
task:syz.1.149 state:R running task stack:24776 pid:6396 tgid:6393 ppid:5847 task_flags:0x400040 flags:0x00004006
Call Trace:
task:kworker/u8:6 state:R running task stack:21672 pid:2970 tgid:2970 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:memset_orig+0x25/0xb0 arch/x86/lib/memset_64.S:63
Code: 90 90 90 90 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 <74> 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48
RSP: 0018:ffffc9000b9572f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc9000b957400 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc9000b957418
RBP: dffffc0000000000 R08: ffffc9000b957427 R09: 0000000000000000
R10: ffffc9000b957418 R11: fffff5200172ae85 R12: ffffc9000b957670
R13: ffffc9000b957418 R14: ffffc9000b9573c8 R15: ffffc9000b957410
unwind_next_frame+0xc98/0x2390 arch/x86/kernel/unwind_orc.c:592
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4147 [inline]
slab_alloc_node mm/slub.c:4196 [inline]
__do_kmalloc_node mm/slub.c:4326 [inline]
__kmalloc_node_track_caller_noprof+0x216/0x4e0 mm/slub.c:4346
kvasprintf+0xdc/0x190 lib/kasprintf.c:25
__kthread_create_on_node+0x1c6/0x3e0 kernel/kthread.c:520
kthread_create_on_node+0xdd/0x130 kernel/kthread.c:588
create_worker+0x299/0x720 kernel/workqueue.c:2802
maybe_create_worker kernel/workqueue.c:3063 [inline]
manage_workers kernel/workqueue.c:3115 [inline]
worker_thread+0x33e/0xda0 kernel/workqueue.c:3375
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:syz-executor state:R running task stack:22216 pid:5846 tgid:5846 ppid:5823 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__kasan_check_byte+0x2c/0x40 mm/kasan/common.c:561
Code: 1f 00 41 56 53 48 89 f3 49 89 fe e8 1e 12 00 00 84 c0 75 16 be 01 00 00 00 4c 89 f7 31 d2 48 89 d9 89 c3 e8 b6 03 00 00 89 d8 <5b> 41 5e c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
RSP: 0018:ffffc9000448f120 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff8171ca22 RCX: 3f987d9169525f00
RDX: 0000000000000000 RSI: ffffffff8171ca22 RDI: 1ffffffff1be7bdc
RBP: ffffffff8171ca05 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc9000448f2f8 R11: ffffffff81acddd0 R12: 0000000000000002
R13: ffffffff8df3dee0 R14: ffffffff8df3dee0 R15: 0000000000000000
kasan_check_byte include/linux/kasan.h:399 [inline]
lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5840
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4147 [inline]
slab_alloc_node mm/slub.c:4196 [inline]
__do_kmalloc_node mm/slub.c:4326 [inline]
__kmalloc_node_noprof+0x21b/0x4e0 mm/slub.c:4333
kmalloc_node_noprof include/linux/slab.h:932 [inline]
__vmalloc_area_node mm/vmalloc.c:3648 [inline]
__vmalloc_node_range_noprof+0x51a/0x12c0 mm/vmalloc.c:3845
__vmalloc_node_noprof mm/vmalloc.c:3908 [inline]
vzalloc_noprof+0x79/0x90 mm/vmalloc.c:3981
__do_replace+0xab/0x980 net/ipv6/netfilter/ip6_tables.c:1063
do_replace net/ipv6/netfilter/ip6_tables.c:1158 [inline]
do_ip6t_set_ctl+0xa16/0xce0 net/ipv6/netfilter/ip6_tables.c:1644
nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x257/0x3e0 net/socket.c:2296
__sys_setsockopt net/socket.c:2321 [inline]
__do_sys_setsockopt net/socket.c:2327 [inline]
__se_sys_setsockopt net/socket.c:2324 [inline]
__x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f34e839085a
RSP: 002b:00007f34e86df6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f34e86df740 RCX: 00007f34e839085a
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000003b8 R09: 0079746972756365
R10: 00007f34e85807e0 R11: 0000000000000206 R12: 00007f34e8580780
R13: 00007f34e86df6dc R14: 0000000000000000 R15: 00007f34e8580e40
rcu: rcu_preempt kthread starved for 3116 jiffies! g14589 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27032 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6860
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2046
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2248
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 3166 Comm: kworker/R-ipv6_ Not tainted 6.15.0-rc7-syzkaller-00175-g0f8c0258bf04 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: ipv6_addrconf addrconf_verify_work
RIP: 0010:ip6t_do_table+0x3f3/0x1530 net/ipv6/netfilter/ip6_tables.c:-1
Code: 00 00 00 00 4c 89 bc 24 98 00 00 00 48 89 5c 24 08 4d 85 f6 0f 84 14 0c 00 00 e8 a8 29 9d f7 c7 84 24 68 01 00 00 00 00 00 00 <48> 8b 84 24 18 01 00 00 42 80 3c 28 00 74 08 48 89 df e8 66 23 ff
RSP: 0018:ffffc90000007460 EFLAGS: 00000246
RAX: ffffffff8a22c828 RBX: ffff8880a52aad50 RCX: ffff8880301d1e00
RDX: 0000000000000100 RSI: 0000000000000001 RDI: ffff888034171800
RBP: ffffc90000007660 R08: ffffc900000075cf R09: 0000000000000000
R10: ffffc900000075b0 R11: fffff52000000eba R12: 0000000000000002
R13: dffffc0000000000 R14: ffff888034171840 R15: ffff888034171840
FS: 0000000000000000(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000002da030 CR3: 00000000313ba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc2/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x206/0x3a0 include/linux/netfilter.h:312
ip6_input+0x16a/0x270 net/ipv6/ip6_input.c:491
ip6_mc_input+0x79a/0xbe0 net/ipv6/ip6_input.c:588
ip_sabotage_in+0x1de/0x270 net/bridge/br_netfilter_hooks.c:993
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc2/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x206/0x3a0 include/linux/netfilter.h:312
__netif_receive_skb_one_core net/core/dev.c:5887 [inline]
__netif_receive_skb+0xd3/0x380 net/core/dev.c:6000
process_backlog+0x60e/0x14f0 net/core/dev.c:6352
__napi_poll+0xc7/0x480 net/core/dev.c:7324
napi_poll net/core/dev.c:7388 [inline]
net_rx_action+0x6ea/0xdf0 net/core/dev.c:7510
handle_softirqs+0x286/0x870 kernel/softirq.c:579
do_softirq+0xec/0x180 kernel/softirq.c:480
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407
addrconf_verify_work+0x21/0x30 net/ipv6/addrconf.c:4739
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
rescuer_thread+0x53c/0xdd0 kernel/workqueue.c:3496
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
net_ratelimit: 3443 callbacks suppressed
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
net_ratelimit: 8519 callbacks suppressed
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!
ICMPv6: NA: 86:1b:9c:0c:5a:d1 advertised our address fe80::841b:9cff:fe0c:5ad1 on macvlan2!