------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.153-syzkaller #0 Not tainted
------------------------------------------------------
kworker/0:1/13 is trying to acquire lock:
ffffffff8c9142a0 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x2c/0x60 kernel/printk/printk.c:1802
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+0x330/0x6c6 drivers/gpu/drm/vkms/vkms_drv.c:235
do_one_initcall+0x22b/0x7a0 init/main.c:1300
do_initcall_level+0x157/0x207 init/main.c:1373
do_initcalls+0x49/0x86 init/main.c:1389
kernel_init_freeable+0x425/0x5b5 init/main.c:1613
kernel_init+0x19/0x290 init/main.c:1504
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
-> #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:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
-> #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:704
start_kernel+0x48c/0x535 init/main.c:1138
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:1834
serial8250_handle_irq+0x505/0x600 drivers/tty/serial/8250/8250_port.c:1930
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1947
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
lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
browse_rb mm/mmap.c:356 [inline]
validate_mm+0x36e/0x990 mm/mmap.c:423
mmap_region+0x1422/0x1670 mm/mmap.c:1844
do_mmap+0x78d/0xe00 mm/mmap.c:1575
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
load_elf_binary+0xfe0/0x2750 fs/binfmt_elf.c:1141
search_binary_handler fs/exec.c:1737 [inline]
exec_binprm fs/exec.c:1778 [inline]
bprm_execve+0x8fd/0x17c0 fs/exec.c:1847
do_execveat_common+0x583/0x720 fs/exec.c:1952
do_execve fs/exec.c:2022 [inline]
__do_sys_execve fs/exec.c:2098 [inline]
__se_sys_execve fs/exec.c:2093 [inline]
__x64_sys_execve+0x8e/0xa0 fs/exec.c:2093
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
-> #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:1834
serial8250_handle_irq+0x505/0x600 drivers/tty/serial/8250/8250_port.c:1930
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1947
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:2148 [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+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
-> #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:3360
console_unlock+0xced/0x12b0 kernel/printk/printk.c:2738
vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
register_console+0x68c/0x970 kernel/printk/printk.c:3078
univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:690
console_init+0x18c/0x652 kernel/printk/printk.c:3178
start_kernel+0x301/0x535 init/main.c:1074
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_lock_spinning_enable+0x51/0x60 kernel/printk/printk.c:1805
console_unlock+0xa47/0x12b0 kernel/printk/printk.c:2735
vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
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_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_690f12e098ef46de+0x32/0x308
bpf_dispatcher_nop_func include/linux/bpf.h:785 [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_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
debug_rcu_head_unqueue kernel/rcu/rcu.h:185 [inline]
srcu_invoke_callbacks+0x1ed/0x400 kernel/rcu/srcutree.c:1270
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
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 ***
5 locks held by kworker/0:1/13:
#0: ffff888011c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90000d27d20 ((work_completion)(&sdp->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
#2: ffff8880b9a2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
#3: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
#4: ffffffff8c7fbfe0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2267
stack backtrace:
CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: rcu_gp srcu_invoke_callbacks
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb 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_lock_spinning_enable+0x51/0x60 kernel/printk/printk.c:1805
console_unlock+0xa47/0x12b0 kernel/printk/printk.c:2735
vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
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 6b dc d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 54 dc 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:ffffc90000007b08 EFLAGS: 00010046
RAX: ffffffff81aa5d5c RBX: 0000000000000000 RCX: ffff88813fe20000
RDX: 0000000080000103 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa5c6d R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000007b68
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_690f12e098ef46de+0x32/0x308
bpf_dispatcher_nop_func include/linux/bpf.h:785 [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_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 82 a4 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d7 cb 31 f7 65 8b 05 a8 f9 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90000d27aa0 EFLAGS: 00000206
RAX: dde817764f03a000 RBX: 1ffff920001a4f58 RCX: ffffffff8162f8e8
RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: 0000000000000001
RBP: ffffc90000d27b30 R08: dffffc0000000000 R09: fffffbfff1f7a01b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920001a4f54 R14: ffffc90000d27ac0 R15: 0000000000000246
debug_rcu_head_unqueue kernel/rcu/rcu.h:185 [inline]
srcu_invoke_callbacks+0x1ed/0x400 kernel/rcu/srcutree.c:1270
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
WARNING: CPU: 0 PID: 13 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: rcu_gp srcu_invoke_callbacks
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 6b dc d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 54 dc 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:ffffc90000007b08 EFLAGS: 00010046
RAX: ffffffff81aa5d5c RBX: 0000000000000000 RCX: ffff88813fe20000
RDX: 0000000080000103 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa5c6d R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000007b68
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f687728200f CR3: 000000001d3fa000 CR4: 00000000003506f0
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_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_690f12e098ef46de+0x32/0x308
bpf_dispatcher_nop_func include/linux/bpf.h:785 [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_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 82 a4 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 d7 cb 31 f7 65 8b 05 a8 f9 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90000d27aa0 EFLAGS: 00000206
RAX: dde817764f03a000 RBX: 1ffff920001a4f58 RCX: ffffffff8162f8e8
RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: 0000000000000001
RBP: ffffc90000d27b30 R08: dffffc0000000000 R09: fffffbfff1f7a01b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920001a4f54 R14: ffffc90000d27ac0 R15: 0000000000000246
debug_rcu_head_unqueue kernel/rcu/rcu.h:185 [inline]
srcu_invoke_callbacks+0x1ed/0x400 kernel/rcu/srcutree.c:1270
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
----------------
Code disassembly (best guess):
0: 9c pushf
1: 8f 44 24 20 pop 0x20(%rsp)
5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
a: 74 08 je 0x14
c: 4c 89 f7 mov %r14,%rdi
f: e8 a2 82 a4 f7 call 0xf7a482b6
14: f6 44 24 21 02 testb $0x2,0x21(%rsp)
19: 75 4e jne 0x69
1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 d7 cb 31 f7 call 0xf731cc06 <-- trapping instruction
2f: 65 8b 05 a8 f9 dc 75 mov %gs:0x75dcf9a8(%rip),%eax # 0x75dcf9de
36: 85 c0 test %eax,%eax
38: 74 3f je 0x79
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss