------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.8/4306 is trying to acquire lock:
ffffffff8c110ec0 (console_owner){..-.}-{0:0}, at: console_trylock_spinning+0x150/0x350 kernel/printk/printk.c:1879
but task is already holding lock:
ffff8880b9128098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 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}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
lock_timer_base+0x123/0x270 kernel/time/timer.c:946
__mod_timer+0x117/0xd20 kernel/time/timer.c:1019
queue_delayed_work_on+0x126/0x1e0 kernel/workqueue.c:1715
psi_enqueue kernel/sched/stats.h:102 [inline]
enqueue_task+0x26d/0x2b0 kernel/sched/core.c:1992
activate_task kernel/sched/core.c:2024 [inline]
wake_up_new_task+0x442/0x9a0 kernel/sched/core.c:4541
kernel_clone+0x421/0x930 kernel/fork.c:2703
kernel_thread+0xc8/0x120 kernel/fork.c:2731
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x486/0x530 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x2e/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+0x5c/0x350 kernel/sched/fair.c:11499
sched_cgroup_fork+0x2c6/0x320 kernel/sched/core.c:4485
copy_process+0x22d1/0x3e00 kernel/fork.c:2395
kernel_clone+0x219/0x930 kernel/fork.c:2679
kernel_thread+0xc8/0x120 kernel/fork.c:2731
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x486/0x530 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
try_to_wake_up+0x5c/0x1050 kernel/sched/core.c:4049
__wake_up_common+0x2a4/0x4e0 kernel/sched/wait.c:108
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x108/0x180 kernel/sched/wait.c:157
tty_port_default_wakeup+0xa5/0xf0 drivers/tty/tty_port.c:51
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1828
serial8250_handle_irq+0x519/0x610 drivers/tty/serial/8250/8250_port.c:1924
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1941
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x291/0x9b0 kernel/irq/handle.c:156
handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
handle_irq_event+0xa5/0x220 kernel/irq/handle.c:213
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
do_user_addr_fault+0x481/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 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}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xed/0x180 kernel/sched/wait.c:157
tty_port_default_wakeup+0xa5/0xf0 drivers/tty/tty_port.c:51
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1828
serial8250_handle_irq+0x519/0x610 drivers/tty/serial/8250/8250_port.c:1924
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1941
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:127
__handle_irq_event_percpu+0x291/0x9b0 kernel/irq/handle.c:156
handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
handle_irq_event+0xa5/0x220 kernel/irq/handle.c:213
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
uart_write+0x62f/0x880 drivers/tty/serial/serial_core.c:592
process_output_block drivers/tty/n_tty.c:592 [inline]
n_tty_write+0xd21/0x1210 drivers/tty/n_tty.c:2339
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x557/0x910 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2172 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0x712/0xd00 fs/read_write.c:594
ksys_write+0x14d/0x250 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
serial8250_console_write+0x170/0xf80 drivers/tty/serial/8250/8250_port.c:3362
call_console_drivers kernel/printk/printk.c:-1 [inline]
console_unlock+0xc86/0x1200 kernel/printk/printk.c:2744
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
_printk+0xcc/0x110 kernel/printk/printk.c:2299
register_console+0x682/0x960 kernel/printk/printk.c:3107
univ8250_console_init+0x41/0x50 drivers/tty/serial/8250/8250_core.c:690
console_init+0x177/0x5d0 kernel/printk/printk.c:3207
start_kernel+0x2f9/0x530 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 kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x170/0x350 kernel/printk/printk.c:1896
vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
_printk+0xcc/0x110 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3a/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+0x160/0x1c0 mm/maccess.c:226
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+0xdd/0x170 kernel/trace/bpf_trace.c:277
bpf_prog_63d51858d7cca270+0x3d/0xa6c
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+0x17e/0x320 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x394/0x520 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0x8e1/0xd20 kernel/time/timer.c:1062
call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x525/0x7c0 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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
csd_lock_wait kernel/smp.c:440 [inline]
smp_call_function_many_cond+0xb98/0xd70 kernel/smp.c:969
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
flush_tlb_kernel_range+0x1b5/0x260 arch/x86/mm/tlb.c:1081
__purge_vmap_area_lazy+0x216/0x18f0 mm/vmalloc.c:1690
_vm_unmap_aliases+0x410/0x4a0 mm/vmalloc.c:2114
change_page_attr_set_clr+0x311/0xc10 arch/x86/mm/pat/set_memory.c:1740
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
bpf_jit_binary_lock_ro include/linux/filter.h:899 [inline]
bpf_int_jit_compile+0xc4a8/0xcc80 arch/x86/net/bpf_jit_comp.c:2478
bpf_prog_select_runtime+0x74f/0xaa0 kernel/bpf/core.c:1934
bpf_prog_load+0x106e/0x1550 kernel/bpf/syscall.c:2352
__sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4651
__do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
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 ***
4 locks held by syz.0.8/4306:
#0: ffffffff8c1d9f68 (vmap_purge_lock){+.+.}-{3:3}, at: _vm_unmap_aliases+0x3fb/0x4a0 mm/vmalloc.c:2112
#1: ffffc90000dd0be0 ((&hsr->prune_timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:45 [inline]
#1: ffffc90000dd0be0 ((&hsr->prune_timer)){+.-.}-{0:0}, at: call_timer_fn+0xbb/0x530 kernel/time/timer.c:1441
#2: ffff8880b9128098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 kernel/time/timer.c:946
#3: ffffffff8c11c460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
stack backtrace:
CPU: 1 PID: 4306 Comm: syz.0.8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
check_noncircular+0x274/0x310 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 kernel/locking/lockdep.c:3788 [inline]
__lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
console_trylock_spinning+0x170/0x350 kernel/printk/printk.c:1896
vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
_printk+0xcc/0x110 kernel/printk/printk.c:2299
report_bug+0x1e5/0x2e0 lib/bug.c:195
handle_bug+0x3a/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+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed f6 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 70 f3 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dd0978 EFLAGS: 00010046
RAX: ffffffff819ed740 RBX: 0000000000000008 RCX: ffff888022859dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100450b3b9
R10: ffffed100450b3b9 R11: 1ffff1100450b3b8 R12: ffff88802285b548
R13: 00007ffffffff000 R14: ffffc90000dd09e8 R15: 0000000020000000
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+0xdd/0x170 kernel/trace/bpf_trace.c:277
bpf_prog_63d51858d7cca270+0x3d/0xa6c
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+0x17e/0x320 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x394/0x520 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0x8e1/0xd20 kernel/time/timer.c:1062
call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x525/0x7c0 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xb98/0xd70 kernel/smp.c:969
Code: 89 de 83 e6 01 31 ff e8 66 49 0b 00 83 e3 01 75 07 e8 fc 45 0b 00 eb 43 f3 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 <84> c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 d5 45 0b 00 eb d9 44
RSP: 0018:ffffc900038ef240 EFLAGS: 00000283
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900059f1000 RSI: 0000000000001703 RDI: 0000000000001704
RBP: ffffc900038ef370 R08: dffffc0000000000 R09: fffffbfff1ff761a
R10: fffffbfff1ff761a R11: 1ffffffff1ff7619 R12: ffff8880b9042a08
R13: 1ffff11017208541 R14: ffff8880b913b380 R15: 0000000000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
flush_tlb_kernel_range+0x1b5/0x260 arch/x86/mm/tlb.c:1081
__purge_vmap_area_lazy+0x216/0x18f0 mm/vmalloc.c:1690
_vm_unmap_aliases+0x410/0x4a0 mm/vmalloc.c:2114
change_page_attr_set_clr+0x311/0xc10 arch/x86/mm/pat/set_memory.c:1740
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
bpf_jit_binary_lock_ro include/linux/filter.h:899 [inline]
bpf_int_jit_compile+0xc4a8/0xcc80 arch/x86/net/bpf_jit_comp.c:2478
bpf_prog_select_runtime+0x74f/0xaa0 kernel/bpf/core.c:1934
bpf_prog_load+0x106e/0x1550 kernel/bpf/syscall.c:2352
__sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4651
__do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f72d5469be9
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:00007f72d36d1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f72d56a0fa0 RCX: 00007f72d5469be9
RDX: 0000000000000094 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007f72d54ece19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72d56a1038 R14: 00007f72d56a0fa0 R15: 00007ffdc12dcc28
WARNING: CPU: 1 PID: 4306 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4306 Comm: syz.0.8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed f6 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 70 f3 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dd0978 EFLAGS: 00010046
RAX: ffffffff819ed740 RBX: 0000000000000008 RCX: ffff888022859dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100450b3b9
R10: ffffed100450b3b9 R11: 1ffff1100450b3b8 R12: ffff88802285b548
R13: 00007ffffffff000 R14: ffffc90000dd09e8 R15: 0000000020000000
FS: 00007f72d36d16c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c282454 CR3: 000000002a364000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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+0xdd/0x170 kernel/trace/bpf_trace.c:277
bpf_prog_63d51858d7cca270+0x3d/0xa6c
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+0x17e/0x320 kernel/trace/bpf_trace.c:1916
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x394/0x520 kernel/time/timer.c:586
internal_add_timer kernel/time/timer.c:611 [inline]
__mod_timer+0x8e1/0xd20 kernel/time/timer.c:1062
call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x525/0x7c0 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xb98/0xd70 kernel/smp.c:969
Code: 89 de 83 e6 01 31 ff e8 66 49 0b 00 83 e3 01 75 07 e8 fc 45 0b 00 eb 43 f3 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 <84> c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 d5 45 0b 00 eb d9 44
RSP: 0018:ffffc900038ef240 EFLAGS: 00000283
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900059f1000 RSI: 0000000000001703 RDI: 0000000000001704
RBP: ffffc900038ef370 R08: dffffc0000000000 R09: fffffbfff1ff761a
R10: fffffbfff1ff761a R11: 1ffffffff1ff7619 R12: ffff8880b9042a08
R13: 1ffff11017208541 R14: ffff8880b913b380 R15: 0000000000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
flush_tlb_kernel_range+0x1b5/0x260 arch/x86/mm/tlb.c:1081
__purge_vmap_area_lazy+0x216/0x18f0 mm/vmalloc.c:1690
_vm_unmap_aliases+0x410/0x4a0 mm/vmalloc.c:2114
change_page_attr_set_clr+0x311/0xc10 arch/x86/mm/pat/set_memory.c:1740
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
bpf_jit_binary_lock_ro include/linux/filter.h:899 [inline]
bpf_int_jit_compile+0xc4a8/0xcc80 arch/x86/net/bpf_jit_comp.c:2478
bpf_prog_select_runtime+0x74f/0xaa0 kernel/bpf/core.c:1934
bpf_prog_load+0x106e/0x1550 kernel/bpf/syscall.c:2352
__sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4651
__do_sys_bpf kernel/bpf/syscall.c:4755 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4753 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f72d5469be9
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:00007f72d36d1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f72d56a0fa0 RCX: 00007f72d5469be9
RDX: 0000000000000094 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007f72d54ece19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72d56a1038 R14: 00007f72d56a0fa0 R15: 00007ffdc12dcc28
----------------
Code disassembly (best guess):
0: 89 de mov %ebx,%esi
2: 83 e6 01 and $0x1,%esi
5: 31 ff xor %edi,%edi
7: e8 66 49 0b 00 call 0xb4972
c: 83 e3 01 and $0x1,%ebx
f: 75 07 jne 0x18
11: e8 fc 45 0b 00 call 0xb4612
16: eb 43 jmp 0x5b
18: f3 90 pause
1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
21: fc ff df
24: 41 0f b6 44 05 00 movzbl 0x0(%r13,%rax,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 75 11 jne 0x3f
2e: 41 f7 04 24 01 00 00 testl $0x1,(%r12)
35: 00
36: 74 1e je 0x56
38: e8 d5 45 0b 00 call 0xb4612
3d: eb d9 jmp 0x18
3f: 44 rex.R