FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.3.4667/21134 is trying to acquire lock:
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3246 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x123/0xaf0 kernel/printk/printk.c:3343
but task is already holding lock:
ffff8880b8624440 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x57/0x7d0 kernel/sched/psi.c:933
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #5 (psi_seq){-.-.}-{0:0}:
do_write_seqcount_begin_nested include/linux/seqlock.h:478 [inline]
do_write_seqcount_begin include/linux/seqlock.h:504 [inline]
psi_write_begin+0xab/0x160 kernel/sched/psi.c:183
psi_task_change+0xc9/0x320 kernel/sched/psi.c:919
psi_enqueue kernel/sched/stats.h:159 [inline]
enqueue_task+0x33f/0x410 kernel/sched/core.c:2186
activate_task kernel/sched/core.c:2224 [inline]
wake_up_new_task+0x6c5/0xc60 kernel/sched/core.c:4963
kernel_clone+0x56c/0x940 kernel/fork.c:2779
user_mode_thread+0x110/0x180 kernel/fork.c:2824
rest_init+0x23/0x300 init/main.c:682
start_kernel+0x392/0x3e0 init/main.c:1175
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:382
raw_spin_rq_lock_nested+0x2d/0x160 kernel/sched/core.c:667
raw_spin_rq_lock kernel/sched/sched.h:1653 [inline]
_task_rq_lock+0xc0/0x440 kernel/sched/core.c:762
cgroup_move_task+0x9a/0x350 kernel/sched/psi.c:1170
css_set_move_task+0x62d/0x820 kernel/cgroup/cgroup.c:925
cgroup_post_fork+0x209/0x9b0 kernel/cgroup/cgroup.c:6988
copy_process+0x402b/0x4390 kernel/fork.c:2550
kernel_clone+0x2d7/0x940 kernel/fork.c:2748
user_mode_thread+0x110/0x180 kernel/fork.c:2824
rest_init+0x23/0x300 init/main.c:682
start_kernel+0x392/0x3e0 init/main.c:1175
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:572 [inline]
try_to_wake_up+0x67/0x14d0 kernel/sched/core.c:4292
__wake_up_common kernel/sched/wait.c:108 [inline]
__wake_up_common_lock+0x13a/0x1f0 kernel/sched/wait.c:125
tty_port_default_wakeup+0xc8/0x100 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x70e/0x950 drivers/tty/serial/8250/8250_port.c:1723
serial8250_handle_irq+0x166/0x550 drivers/tty/serial/8250/8250_port.c:1853
serial8250_default_handle_irq+0xbf/0x1e0 drivers/tty/serial/8250/8250_port.c:1867
serial8250_interrupt+0x8d/0x160 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x216/0x9a0 kernel/irq/handle.c:209
handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:263
handle_edge_irq+0x1f4/0x8a0 kernel/irq/chip.c:859
generic_handle_irq_desc include/linux/irqdesc.h:188 [inline]
handle_irq arch/x86/kernel/irq.c:209 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:280
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:273
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:665
native_irq_enable arch/x86/include/asm/irqflags.h:42 [inline]
arch_local_irq_enable arch/x86/include/asm/irqflags.h:119 [inline]
raw_spin_rq_unlock_irq kernel/sched/sched.h:1673 [inline]
finish_lock_switch kernel/sched/core.c:5241 [inline]
finish_task_switch+0x417/0xc60 kernel/sched/core.c:5359
context_switch kernel/sched/core.c:5513 [inline]
__schedule+0x17e1/0x56c0 kernel/sched/core.c:7234
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7413
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
smpboot_thread_fn+0x63a/0xa80 kernel/smpboot.c:159
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
-> #2 (&tty->write_wait){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
__wake_up_common_lock+0x30/0x1f0 kernel/sched/wait.c:124
tty_port_default_wakeup+0xc8/0x100 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x70e/0x950 drivers/tty/serial/8250/8250_port.c:1723
serial8250_handle_irq+0x166/0x550 drivers/tty/serial/8250/8250_port.c:1853
serial8250_default_handle_irq+0xbf/0x1e0 drivers/tty/serial/8250/8250_port.c:1867
serial8250_interrupt+0x8d/0x160 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x216/0x9a0 kernel/irq/handle.c:209
handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:263
handle_edge_irq+0x1f4/0x8a0 kernel/irq/chip.c:859
generic_handle_irq_desc include/linux/irqdesc.h:188 [inline]
handle_irq arch/x86/kernel/irq.c:209 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:280
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:273
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:665
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63
arch_safe_halt arch/x86/kernel/process.c:767 [inline]
default_idle+0x9/0x20 arch/x86/kernel/process.c:768
default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:199 [inline]
do_idle+0x2e0/0x540 kernel/sched/idle.c:355
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
rest_init+0x2de/0x300 init/main.c:717
start_kernel+0x392/0x3e0 init/main.c:1175
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #1 (&port_lock_key){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
uart_port_lock_irqsave include/linux/serial_core.h:719 [inline]
serial8250_console_write+0x153/0x1ba0 drivers/tty/serial/8250/8250_port.c:3344
console_emit_next_record kernel/printk/printk.c:3183 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x6ea/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
register_console+0xbc3/0xfc0 kernel/printk/printk.c:4208
univ8250_console_init+0x3a/0x70 drivers/tty/serial/8250/8250_core.c:515
console_init+0x10b/0x4a0 kernel/printk/printk.c:4407
start_kernel+0x238/0x3e0 init/main.c:1112
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1902 [inline]
console_emit_next_record kernel/printk/printk.c:3177 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x693/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3ed/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:244 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:253 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:250
bpf_prog_1fe773e8d8a61bb0+0x46/0x4c
bpf_dispatcher_nop_func include/linux/bpf.h:1454 [inline]
__bpf_prog_run include/linux/filter.h:724 [inline]
bpf_prog_run include/linux/filter.h:731 [inline]
bpf_prog_run_array include/linux/bpf.h:2597 [inline]
trace_call_bpf+0x3f0/0xb80 kernel/trace/bpf_trace.c:147
perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:11398
do_perf_trace_lock include/trace/events/lock.h:49 [inline]
perf_trace_lock+0x32d/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
do_write_seqcount_end include/linux/seqlock.h:524 [inline]
psi_write_end kernel/sched/psi.c:188 [inline]
psi_task_switch+0x476/0x7d0 kernel/sched/psi.c:1002
psi_sched_switch kernel/sched/stats.h:218 [inline]
__schedule+0x2a3e/0x56c0 kernel/sched/core.c:7228
preempt_schedule_notrace+0x57/0x90 kernel/sched/core.c:7506
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
class_preempt_notrace_destructor include/linux/preempt.h:469 [inline]
perf_trace_lock+0x38b/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:310 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
__fget_files+0x39d/0x420 fs/file.c:1100
__fget_light fs/file.c:1200 [inline]
fdget+0x16b/0x1e0 fs/file.c:1208
class_fd_constructor include/linux/file.h:83 [inline]
__sys_sendmsg net/socket.c:2762 [inline]
__do_sys_sendmsg net/socket.c:2775 [inline]
__se_sys_sendmsg net/socket.c:2773 [inline]
__x64_sys_sendmsg+0x10a/0x290 net/socket.c:2773
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
console_owner --> &rq->__lock --> psi_seq
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(psi_seq);
lock(&rq->__lock);
lock(psi_seq);
lock(console_owner);
*** DEADLOCK ***
6 locks held by syz.3.4667/21134:
#0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
#0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: __fget_files+0x2a/0x420 fs/file.c:1098
#1: ffff8880b863b160 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160 kernel/sched/core.c:667
#2: ffff8880b8624440 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x57/0x7d0 kernel/sched/psi.c:933
#3: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#3: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
#3: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: trace_call_bpf+0xb6/0xb80 kernel/trace/bpf_trace.c:-1
#4: ffffffff8eb4bfa0 (console_lock){+.+.}-{0:0}, at: _printk+0xdd/0x130 kernel/printk/printk.c:2504
#5: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline]
#5: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline]
#5: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline]
#5: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3246 [inline]
#5: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_flush_all+0x123/0xaf0 kernel/printk/printk.c:3343
stack backtrace:
CPU: 0 UID: 0 PID: 21134 Comm: syz.3.4667 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2043
check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2175
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1902 [inline]
console_emit_next_record kernel/printk/printk.c:3177 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x693/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3ed/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:244 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:253 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:250
bpf_prog_1fe773e8d8a61bb0+0x46/0x4c
bpf_dispatcher_nop_func include/linux/bpf.h:1454 [inline]
__bpf_prog_run include/linux/filter.h:724 [inline]
bpf_prog_run include/linux/filter.h:731 [inline]
bpf_prog_run_array include/linux/bpf.h:2597 [inline]
trace_call_bpf+0x3f0/0xb80 kernel/trace/bpf_trace.c:147
perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:11398
do_perf_trace_lock include/trace/events/lock.h:49 [inline]
perf_trace_lock+0x32d/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
do_write_seqcount_end include/linux/seqlock.h:524 [inline]
psi_write_end kernel/sched/psi.c:188 [inline]
psi_task_switch+0x476/0x7d0 kernel/sched/psi.c:1002
psi_sched_switch kernel/sched/stats.h:218 [inline]
__schedule+0x2a3e/0x56c0 kernel/sched/core.c:7228
preempt_schedule_notrace+0x57/0x90 kernel/sched/core.c:7506
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
class_preempt_notrace_destructor include/linux/preempt.h:469 [inline]
perf_trace_lock+0x38b/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:310 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
__fget_files+0x39d/0x420 fs/file.c:1100
__fget_light fs/file.c:1200 [inline]
fdget+0x16b/0x1e0 fs/file.c:1208
class_fd_constructor include/linux/file.h:83 [inline]
__sys_sendmsg net/socket.c:2762 [inline]
__do_sys_sendmsg net/socket.c:2775 [inline]
__se_sys_sendmsg net/socket.c:2773 [inline]
__x64_sys_sendmsg+0x10a/0x290 net/socket.c:2773
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9fed9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff9fcff6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff9ff025fa0 RCX: 00007ff9fed9e019
RDX: 0000000000000850 RSI: 0000200000000040 RDI: 0000000000000005
RBP: 00007ff9fcff6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ff9ff026038 R14: 00007ff9ff025fa0 R15: 00007fffd728aa18
CPU: 0 UID: 0 PID: 21134 Comm: syz.3.4667 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x40c/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:244 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:253 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:250
bpf_prog_1fe773e8d8a61bb0+0x46/0x4c
bpf_dispatcher_nop_func include/linux/bpf.h:1454 [inline]
__bpf_prog_run include/linux/filter.h:724 [inline]
bpf_prog_run include/linux/filter.h:731 [inline]
bpf_prog_run_array include/linux/bpf.h:2597 [inline]
trace_call_bpf+0x3f0/0xb80 kernel/trace/bpf_trace.c:147
perf_trace_run_bpf_submit+0x78/0x170 kernel/events/core.c:11398
do_perf_trace_lock include/trace/events/lock.h:49 [inline]
perf_trace_lock+0x32d/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
do_write_seqcount_end include/linux/seqlock.h:524 [inline]
psi_write_end kernel/sched/psi.c:188 [inline]
psi_task_switch+0x476/0x7d0 kernel/sched/psi.c:1002
psi_sched_switch kernel/sched/stats.h:218 [inline]
__schedule+0x2a3e/0x56c0 kernel/sched/core.c:7228
preempt_schedule_notrace+0x57/0x90 kernel/sched/core.c:7506
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
class_preempt_notrace_destructor include/linux/preempt.h:469 [inline]
perf_trace_lock+0x38b/0x410 include/trace/events/lock.h:49
__do_trace_lock_release include/trace/events/lock.h:68 [inline]
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x38e/0x3c0 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:310 [inline]
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
__fget_files+0x39d/0x420 fs/file.c:1100
__fget_light fs/file.c:1200 [inline]
fdget+0x16b/0x1e0 fs/file.c:1208
class_fd_constructor include/linux/file.h:83 [inline]
__sys_sendmsg net/socket.c:2762 [inline]
__do_sys_sendmsg net/socket.c:2775 [inline]
__se_sys_sendmsg net/socket.c:2773 [inline]
__x64_sys_sendmsg+0x10a/0x290 net/socket.c:2773
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9fed9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff9fcff6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff9ff025fa0 RCX: 00007ff9fed9e019
RDX: 0000000000000850 RSI: 0000200000000040 RDI: 0000000000000005
RBP: 00007ff9fcff6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ff9ff026038 R14: 00007ff9ff025fa0 R15: 00007fffd728aa18