------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.159-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/3529 is trying to acquire lock:
ffffffff8c914660 (console_owner){-...}-{0:0}, at: console_trylock_spinning+0x185/0x3f0 kernel/printk/printk.c:1879
but task is already holding lock:
ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #6 (hrtimer_bases.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_hrtimer_base kernel/time/hrtimer.c:173 [inline]
hrtimer_start_range_ns+0xd8/0xc50 kernel/time/hrtimer.c:1297
hrtimer_start_expires include/linux/hrtimer.h:434 [inline]
do_start_rt_bandwidth kernel/sched/rt.c:69 [inline]
start_rt_bandwidth kernel/sched/rt.c:80 [inline]
inc_rt_group kernel/sched/rt.c:1207 [inline]
inc_rt_tasks kernel/sched/rt.c:1251 [inline]
__enqueue_rt_entity kernel/sched/rt.c:1321 [inline]
enqueue_rt_entity kernel/sched/rt.c:1368 [inline]
enqueue_task_rt+0x5a0/0xbf0 kernel/sched/rt.c:1398
enqueue_task+0x181/0x3a0 kernel/sched/core.c:1977
__sched_setscheduler+0x13bf/0x1e20 kernel/sched/core.c:7551
_sched_setscheduler kernel/sched/core.c:7598 [inline]
sched_setscheduler_nocheck kernel/sched/core.c:7645 [inline]
sched_set_fifo+0x10e/0x1e0 kernel/sched/core.c:7669
drm_vblank_worker_init+0x149/0x190 drivers/gpu/drm/drm_vblank_work.c:263
drm_vblank_init+0x274/0x330 drivers/gpu/drm/drm_vblank.c:551
vkms_create drivers/gpu/drm/vkms/vkms_drv.c:195 [inline]
vkms_init+0x330/0x6d0 drivers/gpu/drm/vkms/vkms_drv.c:235
do_one_initcall+0x22b/0x7a0 init/main.c:1302
do_initcall_level+0x157/0x210 init/main.c:1375
do_initcalls+0x49/0x90 init/main.c:1391
kernel_init_freeable+0x425/0x5c0 init/main.c:1615
kernel_init+0x19/0x290 init/main.c:1506
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
-> #5 (&rt_b->rt_runtime_lock){-...}-{2:2}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
__enable_runtime kernel/sched/rt.c:840 [inline]
rq_online_rt+0x123/0x300 kernel/sched/rt.c:2331
set_rq_online kernel/sched/core.c:9037 [inline]
sched_cpu_activate+0x508/0x6b0 kernel/sched/core.c:9144
cpuhp_invoke_callback+0x49f/0x820 kernel/cpu.c:191
cpuhp_thread_fun+0x3ee/0x790 kernel/cpu.c:822
smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
-> #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:11480
sched_cgroup_fork+0x2d3/0x330 kernel/sched/core.c:4466
copy_process+0x224a/0x3ef0 kernel/fork.c:2320
kernel_clone+0x210/0x960 kernel/fork.c:2604
kernel_thread+0x168/0x1e0 kernel/fork.c:2656
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:4030
__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:822
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+0x9f/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629
lowpan_event+0x0/0x740
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391
call_netdevice_notifiers_info net/core/dev.c:2018 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2030 [inline]
__dev_open+0x289/0x500 net/core/dev.c:1495
__dev_change_flags+0x1db/0x6e0 net/core/dev.c:8813
dev_change_flags+0x87/0x190 net/core/dev.c:8884
devinet_ioctl+0x92e/0x1b20 net/ipv4/devinet.c:1142
inet_ioctl+0x32d/0x400 net/ipv4/af_inet.c:978
sock_do_ioctl+0x11d/0x5a0 net/socket.c:1140
sock_ioctl+0x47f/0x770 net/socket.c:1257
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #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:822
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+0x9f/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
uart_write+0x6af/0x930 drivers/tty/serial/serial_core.c:590
process_output_block drivers/tty/n_tty.c:592 [inline]
n_tty_write+0xd7e/0x1280 drivers/tty/n_tty.c:2339
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x561/0x920 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+0xacf/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #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
report_bug+0x1e5/0x2e0 lib/bug.c:195
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:566
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_f4543f5253660125+0x3d/0x89c
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:1880 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:476 [inline]
enqueue_hrtimer+0x324/0x390 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1703 [inline]
__hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
hrtimer_active kernel/time/hrtimer.c:1611 [inline]
hrtimer_try_to_cancel+0x64/0x410 kernel/time/hrtimer.c:1329
hrtimer_cancel kernel/time/hrtimer.c:1444 [inline]
do_nanosleep+0x273/0x7b0 kernel/time/hrtimer.c:2047
hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1313 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1290
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 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 --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(hrtimer_bases.lock);
lock(&rt_b->rt_runtime_lock);
lock(hrtimer_bases.lock);
lock(console_owner);
*** DEADLOCK ***
2 locks held by syz-executor.4/3529:
#0: ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
#0: ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
#1: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
stack backtrace:
CPU: 0 PID: 3529 Comm: syz-executor.4 Not tainted 5.15.159-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__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
report_bug+0x1e5/0x2e0 lib/bug.c:195
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:566
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 8b ce d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 74 ce 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:ffffc90000007bd0 EFLAGS: 00010046
RAX: ffffffff81aa8e4c RBX: 0000000000000000 RCX: ffff88801578d940
RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa8d5d R09: ffffed1002af1b29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007c48
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_f4543f5253660125+0x3d/0x89c
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:1880 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:476 [inline]
enqueue_hrtimer+0x324/0x390 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1703 [inline]
__hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:hrtimer_active kernel/time/hrtimer.c:1611 [inline]
RIP: 0010:hrtimer_try_to_cancel+0x64/0x410 kernel/time/hrtimer.c:1329
Code: 89 c8 48 89 0c 24 48 c1 e9 03 48 89 4c 24 28 48 89 5c 24 10 eb 0a e8 db 15 11 00 48 8b 5c 24 10 48 8b 44 24 08 42 80 3c 30 00 <74> 08 48 89 df e8 d2 e3 5a 00 4c 8b 3b 4d 8d 67 10 4c 89 e3 48 c1
RSP: 0018:ffffc90002e67bd8 EFLAGS: 00000246
RAX: 1ffff920005ccfb6 RBX: ffffc90002e67db0 RCX: 1ffff920005ccfb7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90002e67d80
RBP: ffffc90002e67d80 R08: ffffffff8a27379e R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88801578d96c
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc90002e67d80
hrtimer_cancel kernel/time/hrtimer.c:1444 [inline]
do_nanosleep+0x273/0x7b0 kernel/time/hrtimer.c:2047
hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1313 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1290
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd5d622b2f5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffd9bb08e40 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000061 RCX: 00007fd5d622b2f5
RDX: 00007ffd9bb08e80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd9bb08f0c R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000000fd4e R14: 000000000000fd4e R15: 0000000000000000
WARNING: CPU: 0 PID: 3529 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 3529 Comm: syz-executor.4 Not tainted 5.15.159-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 8b ce d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 74 ce 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:ffffc90000007bd0 EFLAGS: 00010046
RAX: ffffffff81aa8e4c RBX: 0000000000000000 RCX: ffff88801578d940
RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa8d5d R09: ffffed1002af1b29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007c48
FS: 0000555556ef2480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200012c0 CR3: 0000000063e71000 CR4: 00000000003506f0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 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+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_f4543f5253660125+0x3d/0x89c
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:1880 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:476 [inline]
enqueue_hrtimer+0x324/0x390 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1703 [inline]
__hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:hrtimer_active kernel/time/hrtimer.c:1611 [inline]
RIP: 0010:hrtimer_try_to_cancel+0x64/0x410 kernel/time/hrtimer.c:1329
Code: 89 c8 48 89 0c 24 48 c1 e9 03 48 89 4c 24 28 48 89 5c 24 10 eb 0a e8 db 15 11 00 48 8b 5c 24 10 48 8b 44 24 08 42 80 3c 30 00 <74> 08 48 89 df e8 d2 e3 5a 00 4c 8b 3b 4d 8d 67 10 4c 89 e3 48 c1
RSP: 0018:ffffc90002e67bd8 EFLAGS: 00000246
RAX: 1ffff920005ccfb6 RBX: ffffc90002e67db0 RCX: 1ffff920005ccfb7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90002e67d80
RBP: ffffc90002e67d80 R08: ffffffff8a27379e R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88801578d96c
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc90002e67d80
hrtimer_cancel kernel/time/hrtimer.c:1444 [inline]
do_nanosleep+0x273/0x7b0 kernel/time/hrtimer.c:2047
hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1313 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1290
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd5d622b2f5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffd9bb08e40 EFLAGS: 00000293
ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000061 RCX: 00007fd5d622b2f5
RDX: 00007ffd9bb08e80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd9bb08f0c R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000000fd4e R14: 000000000000fd4e R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 89 c8 mov %ecx,%eax
2: 48 89 0c 24 mov %rcx,(%rsp)
6: 48 c1 e9 03 shr $0x3,%rcx
a: 48 89 4c 24 28 mov %rcx,0x28(%rsp)
f: 48 89 5c 24 10 mov %rbx,0x10(%rsp)
14: eb 0a jmp 0x20
16: e8 db 15 11 00 call 0x1115f6
1b: 48 8b 5c 24 10 mov 0x10(%rsp),%rbx
20: 48 8b 44 24 08 mov 0x8(%rsp),%rax
25: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 d2 e3 5a 00 call 0x5ae406
34: 4c 8b 3b mov (%rbx),%r15
37: 4d 8d 67 10 lea 0x10(%r15),%r12
3b: 4c 89 e3 mov %r12,%rbx
3e: 48 rex.W
3f: c1 .byte 0xc1