rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10526/1:b..l P5505/1:b..l P5504/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=44417, q=1091 ncpus=2)
task:dhcpcd state:R running task stack:24368 pid:5504 tgid:5504 ppid:1 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b88/0x5240 kernel/sched/core.c:6767
preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090
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:lock_release+0x244/0x3e0 arch/x86/include/asm/irqflags.h:-1
Code: 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 0f 85 c3 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 03 <48> 3b 44 24 28 0f 85 82 01 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000395efc0 EFLAGS: 00000206
RAX: 0004d56a24b5b100 RBX: ffffffff9368a020 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8e4fd4e5 RDI: ffffffff8ca1b660
RBP: ffff8880308ac718 R08: ffffc9000395f3e8 R09: 0000000000000000
R10: ffffc9000395f150 R11: fffff5200072be2c R12: 0000000000000001
R13: ffff8880308abc00 R14: 0000000000000206 R15: ffffffff8ed3dfe0
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+0x1a9f/0x23b0 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122
save_stack+0xfc/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x1e0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1262 [inline]
__free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2680
__slab_free+0x2c6/0x390 mm/slub.c:4557
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:4151 [inline]
slab_alloc_node mm/slub.c:4200 [inline]
kmem_cache_alloc_node_noprof+0x1f2/0x3b0 mm/slub.c:4252
__alloc_skb+0x1c2/0x480 net/core/skbuff.c:658
alloc_skb include/linux/skbuff.h:1340 [inline]
alloc_skb_with_frags+0xc3/0x830 net/core/skbuff.c:6639
sock_alloc_send_pskb+0x91c/0xa70 net/core/sock.c:2949
unix_dgram_sendmsg+0x6d4/0x1ea0 net/unix/af_unix.c:2007
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
sock_write_iter+0x2d9/0x3f0 net/socket.c:1131
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x70f/0xd10 fs/read_write.c:684
ksys_write+0x19d/0x2d0 fs/read_write.c:736
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb2fbe4bf2
RSP: 002b:00007ffc5398c5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000557968991bd0 RCX: 00007fbb2fbe4bf2
RDX: 0000000000000047 RSI: 00007ffc5398c610 RDI: 0000000000000005
RBP: 00007ffc5398c610 R08: 0000000000000008 R09: 0000000000000036
R10: 0000000000000000 R11: 0000000000000246 R12: 00005579512e4efc
R13: 00007ffc5398ca40 R14: 00005579689d7110 R15: 0000000000000001
task:dhcpcd state:R running task stack:21120 pid:5505 tgid:5505 ppid:5504 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b88/0x5240 kernel/sched/core.c:6767
preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090
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:lock_acquire+0x167/0x2f0 arch/x86/include/asm/irqflags.h:-1
Code: c7 44 24 10 00 00 00 00 9c 8f 44 24 10 f7 44 24 10 00 02 00 00 0f 85 fd 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 45 00 <48> 3b 44 24 38 0f 85 72 01 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90003a0f3f8 EFLAGS: 00000206
RAX: 8e9bc7b4bb8e6900 RBX: ffffffff8ed3dfe0 RCX: 8e9bc7b4bb8e6900
RDX: 0000000000000000 RSI: ffffffff8e4fd4e5 RDI: ffffffff8ca1b660
RBP: ffffffff9368a020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000246 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
__update_page_owner_free_handle+0x4b/0x460 mm/page_owner.c:271
__reset_page_owner+0x89/0x1e0 mm/page_owner.c:309
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1262 [inline]
__free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2680
discard_slab mm/slub.c:2720 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3189
put_cpu_partial+0x17e/0x250 mm/slub.c:3264
__slab_free+0x294/0x390 mm/slub.c:4516
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:4151 [inline]
slab_alloc_node mm/slub.c:4200 [inline]
kmem_cache_alloc_noprof+0x1e1/0x390 mm/slub.c:4207
vm_area_dup+0x2b/0x5b0 kernel/fork.c:488
dup_mmap kernel/fork.c:672 [inline]
dup_mm kernel/fork.c:1734 [inline]
copy_mm+0xc70/0x22c0 kernel/fork.c:1786
copy_process+0x17de/0x3d10 kernel/fork.c:2429
kernel_clone+0x242/0x930 kernel/fork.c:2844
__do_sys_clone kernel/fork.c:2987 [inline]
__se_sys_clone kernel/fork.c:2971 [inline]
__x64_sys_clone+0x268/0x2e0 kernel/fork.c:2971
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb2fbcaa12
RSP: 002b:00007ffc5396c768 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00005579689b1301 RCX: 00007fbb2fbcaa12
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc5398ccd8 R08: 0000000000000000 R09: 00005579689b13a0
R10: 00007fbb2fb1aa10 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00005579689b13d4
task:syz-executor state:R running task stack:26224 pid:10526 tgid:10526 ppid:5827 task_flags:0x400040 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b88/0x5240 kernel/sched/core.c:6767
preempt_schedule_notrace+0x103/0x140 kernel/sched/core.c:7040
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x7e/0xb0 kernel/rcu/tree.c:737
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x4e/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+0x1a9f/0x23b0 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122
save_stack+0xfc/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x1e0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1262 [inline]
__free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2680
discard_slab mm/slub.c:2720 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3189
put_cpu_partial+0x17e/0x250 mm/slub.c:3264
__slab_free+0x294/0x390 mm/slub.c:4516
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:4151 [inline]
slab_alloc_node mm/slub.c:4200 [inline]
kmem_cache_alloc_noprof+0x1e1/0x390 mm/slub.c:4207
anon_vma_chain_alloc mm/rmap.c:142 [inline]
__anon_vma_prepare+0xc4/0x4a0 mm/rmap.c:195
__vmf_anon_prepare mm/memory.c:3432 [inline]
vmf_anon_prepare mm/internal.h:415 [inline]
do_anonymous_page mm/memory.c:4996 [inline]
do_pte_missing mm/memory.c:4158 [inline]
handle_pte_fault+0x518f/0x61c0 mm/memory.c:5997
__handle_mm_fault mm/memory.c:6140 [inline]
handle_mm_fault+0x1129/0x1bf0 mm/memory.c:6309
faultin_page mm/gup.c:1193 [inline]
__get_user_pages+0x1adc/0x4180 mm/gup.c:1491
__get_user_pages_locked mm/gup.c:1757 [inline]
get_user_pages_remote+0x339/0xb70 mm/gup.c:2661
get_arg_page+0x129/0x370 fs/exec.c:217
copy_string_kernel+0x176/0x240 fs/exec.c:676
do_execveat_common+0x3fc/0x710 fs/exec.c:1938
do_execve fs/exec.c:2041 [inline]
__do_sys_execve fs/exec.c:2117 [inline]
__se_sys_execve fs/exec.c:2112 [inline]
__x64_sys_execve+0x94/0xb0 fs/exec.c:2112
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09757c0837
RSP: 002b:00007f0976558df8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00007fff4d7d0ef3 RCX: 00007f09757c0837
RDX: 00007fff4d7ce270 RSI: 00007fff4d7ce4b0 RDI: 00007fff4d7d0ef3
RBP: 00007f0976558e70 R08: 00007f0976558f20 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000202 R12: 00007fff4d7ce4b0
R13: 00007fff4d7ce270 R14: 0000000000000000 R15: 0000000000000000