------------[ cut here ]------------
WARNING: CPU: 0 PID: 4340 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 4340 Comm: syz.1.30 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 cb ba d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 ba d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007750 EFLAGS: 00010046
RAX: ffffffff81aaca2c RBX: 0000000000000000 RCX: ffff888024595940
======================================================
WARNING: possible circular locking dependency detected
5.15.176-syzkaller #0 Not tainted
------------------------------------------------------
syz.1.30/4340 is trying to acquire lock:
ffffffff8cb14860 (console_owner){..-.}-{0:0}, at: console_trylock_spinning+0x185/0x3f0 kernel/printk/printk.c:1879
but task is already holding lock:
ffff8880b8e28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:946
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #5 (&base->lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
lock_timer_base+0x120/0x260 kernel/time/timer.c:946
__mod_timer+0x1d6/0xeb0 kernel/time/timer.c:1019
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
psi_enqueue kernel/sched/stats.h:104 [inline]
enqueue_task+0x2fe/0x3a0 kernel/sched/core.c:1970
activate_task kernel/sched/core.c:2002 [inline]
wake_up_new_task+0x515/0xb60 kernel/sched/core.c:4519
kernel_clone+0x44e/0x960 kernel/fork.c:2627
kernel_thread+0x168/0x1e0 kernel/fork.c:2655
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #4 (&rq->__lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
_raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368
raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
raw_spin_rq_lock kernel/sched/sched.h:1326 [inline]
rq_lock kernel/sched/sched.h:1621 [inline]
task_fork_fair+0x5d/0x350 kernel/sched/fair.c:11488
sched_cgroup_fork+0x2d3/0x330 kernel/sched/core.c:4463
copy_process+0x224a/0x3ef0 kernel/fork.c:2319
kernel_clone+0x210/0x960 kernel/fork.c:2603
kernel_thread+0x168/0x1e0 kernel/fork.c:2655
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
try_to_wake_up+0xae/0x1300 kernel/sched/core.c:4027
__wake_up_common+0x2a0/0x4e0 kernel/sched/wait.c:108
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x112/0x1c0 kernel/sched/wait.c:157
tty_port_default_wakeup+0xa8/0x100 drivers/tty/tty_port.c:51
serial8250_tx_chars+0x60d/0x800 drivers/tty/serial/8250/8250_port.c:1828
serial8250_handle_irq+0x505/0x600 drivers/tty/serial/8250/8250_port.c:1924
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1941
serial8250_interrupt+0xa1/0x1e0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156
handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213
handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0xae/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
variable_test_bit arch/x86/include/asm/bitops.h:214 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
cpumask_test_cpu include/linux/cpumask.h:344 [inline]
cpu_online include/linux/cpumask.h:895 [inline]
trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
__alloc_pages+0x32d/0x700 mm/page_alloc.c:5487
alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146
wp_page_copy+0x24e/0x2070 mm/memory.c:3054
handle_pte_fault mm/memory.c:4666 [inline]
__handle_mm_fault mm/memory.c:4783 [inline]
handle_mm_fault+0x2a3d/0x5960 mm/memory.c:4881
do_user_addr_fault arch/x86/mm/fault.c:1357 [inline]
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
-> #2 (&tty->write_wait){-...}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xf5/0x1c0 kernel/sched/wait.c:157
tty_port_default_wakeup+0xa8/0x100 drivers/tty/tty_port.c:51
serial8250_tx_chars+0x60d/0x800 drivers/tty/serial/8250/8250_port.c:1828
serial8250_handle_irq+0x505/0x600 drivers/tty/serial/8250/8250_port.c:1924
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1941
serial8250_interrupt+0xa1/0x1e0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156
handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213
handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0xae/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562
acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:697
cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:158 [inline]
cpuidle_idle_call kernel/sched/idle.c:239 [inline]
do_idle+0x3e4/0x670 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #1 (&port_lock_key){-...}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
serial8250_console_write+0x19d/0x1180 drivers/tty/serial/8250/8250_port.c:3354
console_unlock+0xced/0x12b0 kernel/printk/printk.c:2744
vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2274
_printk+0xd1/0x120 kernel/printk/printk.c:2299
register_console+0x65a/0x940 kernel/printk/printk.c:3107
univ8250_console_init+0x41/0x50 drivers/tty/serial/8250/8250_core.c:690
console_init+0x18c/0x660 kernel/printk/printk.c:3207
start_kernel+0x301/0x540 init/main.c:1076
secondary_startup_64_no_verify+0xb1/0xbb
-> #0 (console_owner){..-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x1a5/0x3f0 kernel/printk/printk.c:1896
vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2273
_printk+0xd1/0x120 kernel/printk/printk.c:2299
__show_regs+0xcd/0x500 arch/x86/kernel/process_64.c:81
show_regs+0x32/0x60 arch/x86/kernel/dumpstack.c:472
__warn+0x15b/0x300 kernel/panic.c:678
report_bug+0x1b7/0x2e0 lib/bug.c:199
handle_bug+0x3d/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:259
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:604
copy_from_user_nofault+0x15c/0x1c0
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2327afe6dc6529ba+0x3a/0xd08
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
queue_delayed_work include/linux/workqueue.h:527 [inline]
srcu_funnel_gp_start kernel/rcu/srcutree.c:682 [inline]
srcu_gp_start_if_needed+0x5dc/0x8f0 kernel/rcu/srcutree.c:838
rcu_do_batch kernel/rcu/tree.c:2523 [inline]
rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
cpus_read_lock+0x40/0x150 kernel/cpu.c:309
static_key_disable+0xe/0x20 kernel/jump_label.c:214
tracepoint_remove_func kernel/tracepoint.c:417 [inline]
tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551
bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2905
bpf_link_free kernel/bpf/syscall.c:2471 [inline]
bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2497
bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2505
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
other info that might help us debug this:
Chain exists of:
console_owner --> &rq->__lock --> &base->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&base->lock);
lock(&rq->__lock);
lock(&base->lock);
lock(console_owner);
*** DEADLOCK ***
7 locks held by syz.1.30/4340:
#0: ffffffff8cb5fa88 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_unregister+0x2e/0x980 kernel/tracepoint.c:548
#1: ffffffff8c9bd550 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_disable+0xe/0x20 kernel/jump_label.c:214
#2: ffffffff8cb1fda0 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire+0x0/0x20
#3: ffffffff8cb5f8f8 (tracepoint_srcu){....}-{0:0}, at: rcu_lock_acquire+0x0/0x20
#4: ffffffff8cb5f670 (tracepoint_srcu.lock){..-.}-{2:2}, at: srcu_funnel_gp_start kernel/rcu/srcutree.c:665 [inline]
#4: ffffffff8cb5f670 (tracepoint_srcu.lock){..-.}-{2:2}, at: srcu_gp_start_if_needed+0x460/0x8f0 kernel/rcu/srcutree.c:838
#5: ffff8880b8e28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:946
#6: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
stack backtrace:
CPU: 0 PID: 4340 Comm: syz.1.30 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x1a5/0x3f0 kernel/printk/printk.c:1896
vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2273
_printk+0xd1/0x120 kernel/printk/printk.c:2299
__show_regs+0xcd/0x500 arch/x86/kernel/process_64.c:81
show_regs+0x32/0x60 arch/x86/kernel/dumpstack.c:472
__warn+0x15b/0x300 kernel/panic.c:678
report_bug+0x1b7/0x2e0 lib/bug.c:199
handle_bug+0x3d/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:259
asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:604
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 cb ba d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 ba d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007750 EFLAGS: 00010046
RAX: ffffffff81aaca2c RBX: 0000000000000000 RCX: ffff888024595940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aac93d R09: ffffed10048b2b29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc900000077c8
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2327afe6dc6529ba+0x3a/0xd08
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
queue_delayed_work include/linux/workqueue.h:527 [inline]
srcu_funnel_gp_start kernel/rcu/srcutree.c:682 [inline]
srcu_gp_start_if_needed+0x5dc/0x8f0 kernel/rcu/srcutree.c:838
rcu_do_batch kernel/rcu/tree.c:2523 [inline]
rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
Code: 2b 00 74 08 4c 89 f7 e8 dc 9d 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000116fb60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200022df78 RCX: ffffffff81638982
RDX: dffffc0000000000 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f340
RBP: ffffc9000116fcb8 R08: dffffc0000000000 R09: fffffbfff2131421
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200022df74
R13: dffffc0000000000 R14: ffffc9000116fbc0 R15: 0000000000000246
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
cpus_read_lock+0x40/0x150 kernel/cpu.c:309
static_key_disable+0xe/0x20 kernel/jump_label.c:214
tracepoint_remove_func kernel/tracepoint.c:417 [inline]
tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551
bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2905
bpf_link_free kernel/bpf/syscall.c:2471 [inline]
bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2497
bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2505
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1c200cfd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdbcc7ebb8 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000120cf RCX: 00007f1c200cfd29
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f1c202c1ba0 R08: 0000000000000001 R09: 00007ffdbcc7eeaf
R10: 00007f1c1ff4a000 R11: 0000000000000246 R12: 00000000000122f7
R13: 00007f1c202bffa0 R14: 0000000000000226 R15: ffffffffffffffff
</TASK>
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aac93d R09: ffffed10048b2b29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc900000077c8
FS: 0000555592e23500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007364a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_2327afe6dc6529ba+0x3a/0xd08
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x3ae/0x540 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0xa60/0xeb0 kernel/time/timer.c:1062
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
queue_delayed_work include/linux/workqueue.h:527 [inline]
srcu_funnel_gp_start kernel/rcu/srcutree.c:682 [inline]
srcu_gp_start_if_needed+0x5dc/0x8f0 kernel/rcu/srcutree.c:838
rcu_do_batch kernel/rcu/tree.c:2523 [inline]
rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
Code: 2b 00 74 08 4c 89 f7 e8 dc 9d 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000116fb60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200022df78 RCX: ffffffff81638982
RDX: dffffc0000000000 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f340
RBP: ffffc9000116fcb8 R08: dffffc0000000000 R09: fffffbfff2131421
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200022df74
R13: dffffc0000000000 R14: ffffc9000116fbc0 R15: 0000000000000246
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
cpus_read_lock+0x40/0x150 kernel/cpu.c:309
static_key_disable+0xe/0x20 kernel/jump_label.c:214
tracepoint_remove_func kernel/tracepoint.c:417 [inline]
tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551
bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2905
bpf_link_free kernel/bpf/syscall.c:2471 [inline]
bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2497
bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2505
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1c200cfd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdbcc7ebb8 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000120cf RCX: 00007f1c200cfd29
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f1c202c1ba0 R08: 0000000000000001 R09: 00007ffdbcc7eeaf
R10: 00007f1c1ff4a000 R11: 0000000000000246 R12: 00000000000122f7
R13: 00007f1c202bffa0 R14: 0000000000000226 R15: ffffffffffffffff
</TASK>
irq event stamp: 1499
hardirqs last enabled at (1498): [<ffffffff8a48bd7b>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (1498): [<ffffffff8a48bd7b>] _raw_spin_unlock_irqrestore+0x8b/0x130 kernel/locking/spinlock.c:194
hardirqs last disabled at (1499): [<ffffffff8a48baec>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1499): [<ffffffff8a48baec>] _raw_spin_lock_irqsave+0xac/0x120 kernel/locking/spinlock.c:162
softirqs last enabled at (1484): [<ffffffff818e61dd>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last enabled at (1484): [<ffffffff818e61dd>] bpf_link_free_id kernel/bpf/syscall.c:2442 [inline]
softirqs last enabled at (1484): [<ffffffff818e61dd>] bpf_link_free kernel/bpf/syscall.c:2468 [inline]
softirqs last enabled at (1484): [<ffffffff818e61dd>] bpf_link_put+0x1cd/0x2c0 kernel/bpf/syscall.c:2497
softirqs last disabled at (1487): [<ffffffff814da8c7>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (1487): [<ffffffff814da8c7>] invoke_softirq kernel/softirq.c:432 [inline]
softirqs last disabled at (1487): [<ffffffff814da8c7>] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
---[ end trace 1f2f7b5b0a331938 ]---
----------------
Code disassembly (best guess):
0: 2b 00 sub (%rax),%eax
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 dc 9d 67 00 call 0x679de8
c: f6 44 24 61 02 testb $0x2,0x61(%rsp)
11: 0f 85 84 01 00 00 jne 0x19b
17: 41 f7 c7 00 02 00 00 test $0x200,%r15d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1)
3a: 00 00
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 25 .byte 0x25