------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
udevd/4693 is trying to acquire lock:
ffffffff8c3139a0 (console_owner){-...}-{0:0}, at: console_trylock_spinning+0x15c/0x370 kernel/printk/printk.c:1879

but task is already holding lock:
ffff8880b912a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
ffff8880b912a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x59a/0xb60 kernel/time/hrtimer.c:1749

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #6 (hrtimer_bases.lock){-.-.}-{2:2}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
       lock_hrtimer_base kernel/time/hrtimer.c:168 [inline]
       hrtimer_start_range_ns+0xf1/0xc40 kernel/time/hrtimer.c:1284
       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+0x640/0xc50 kernel/sched/rt.c:1398
       enqueue_task+0x159/0x280 kernel/sched/core.c:1996
       __sched_setscheduler+0xf60/0x1a70 kernel/sched/core.c:7570
       _sched_setscheduler kernel/sched/core.c:7617 [inline]
       sched_setscheduler_nocheck kernel/sched/core.c:7664 [inline]
       sched_set_fifo+0xd9/0x160 kernel/sched/core.c:7688
       drm_vblank_worker_init+0x149/0x1a0 drivers/gpu/drm/drm_vblank_work.c:263
       drm_vblank_init+0x265/0x330 drivers/gpu/drm/drm_vblank.c:551
       vkms_create drivers/gpu/drm/vkms/vkms_drv.c:195 [inline]
       vkms_init+0x358/0x740 drivers/gpu/drm/vkms/vkms_drv.c:233
       do_one_initcall+0x272/0x730 init/main.c:1315
       do_initcall_level+0x13d/0x1f0 init/main.c:1388
       do_initcalls+0x4b/0x90 init/main.c:1404
       kernel_init_freeable+0x3d5/0x560 init/main.c:1628
       kernel_init+0x19/0x1b0 init/main.c:1519
       ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

-> #5 (&rt_b->rt_runtime_lock){-...}-{2:2}:
       __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+0x132/0x320 kernel/sched/rt.c:2336
       set_rq_online kernel/sched/core.c:9056 [inline]
       sched_cpu_activate+0x4ba/0x660 kernel/sched/core.c:9176
       cpuhp_invoke_callback+0x43f/0x840 kernel/cpu.c:191
       cpuhp_thread_fun+0x3b2/0x7f0 kernel/cpu.c:822
       smpboot_thread_fn+0x520/0x990 kernel/smpboot.c:164
       kthread+0x42e/0x520 kernel/kthread.c:334
       ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

-> #4 (&rq->__lock){-.-.}-{2:2}:
       _raw_spin_lock_nested+0x2e/0x40 kernel/locking/spinlock.c:368
       raw_spin_rq_lock_nested+0x25/0x130 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/0x360 kernel/sched/fair.c:11499
       sched_cgroup_fork+0x2e8/0x340 kernel/sched/core.c:4485
       copy_process+0x2348/0x3ec0 kernel/fork.c:2397
       kernel_clone+0x23f/0x990 kernel/fork.c:2681
       kernel_thread+0xfa/0x160 kernel/fork.c:2733
       rest_init+0x21/0x330 init/main.c:720
       start_kernel+0x489/0x540 init/main.c:1153
       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+0xb0/0x100 kernel/locking/spinlock.c:162
       try_to_wake_up+0x5a/0x1020 kernel/sched/core.c:4049
       __wake_up_common+0x28e/0x4d0 kernel/sched/wait.c:108
       __wake_up_common_lock kernel/sched/wait.c:138 [inline]
       __wake_up+0x10e/0x180 kernel/sched/wait.c:157
       tty_port_default_wakeup+0xa5/0xf0 drivers/tty/tty_port.c:51
       serial8250_tx_chars+0x615/0x800 drivers/tty/serial/8250/8250_port.c:1828
       serial8250_handle_irq+0x4f5/0x5f0 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+0x299/0x9d0 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+0x242/0xb20 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
       __sanitizer_cov_trace_pc+0x0/0x60
       rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312
       rcu_read_lock include/linux/rcupdate.h:740 [inline]
       prepend_path+0x28/0xb80 fs/d_path.c:165
       d_absolute_path+0x9e/0x140 fs/d_path.c:235
       tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline]
       tomoyo_realpath_from_path+0x31b/0x5e0 security/tomoyo/realpath.c:276
       tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
       tomoyo_path_perm+0x23f/0x5d0 security/tomoyo/file.c:822
       security_inode_getattr+0xcf/0x120 security/security.c:1349
       vfs_getattr+0x26/0x3a0 fs/stat.c:157
       vfs_statx+0x146/0x4c0 fs/stat.c:225
       vfs_fstatat fs/stat.c:243 [inline]
       __do_sys_newfstatat fs/stat.c:411 [inline]
       __se_sys_newfstatat fs/stat.c:405 [inline]
       __x64_sys_newfstatat+0x15f/0x200 fs/stat.c:405
       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

-> #2 (&tty->write_wait){-...}-{2:2}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
       __wake_up_common_lock kernel/sched/wait.c:137 [inline]
       __wake_up+0xf4/0x180 kernel/sched/wait.c:157
       tty_port_default_wakeup+0xa5/0xf0 drivers/tty/tty_port.c:51
       serial8250_tx_chars+0x615/0x800 drivers/tty/serial/8250/8250_port.c:1828
       serial8250_handle_irq+0x4f5/0x5f0 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+0x299/0x9d0 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+0x242/0xb20 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+0xbc/0x120 kernel/locking/spinlock.c:194
       spin_unlock_irqrestore include/linux/spinlock.h:419 [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+0xd19/0x1220 drivers/tty/n_tty.c:2339
       do_tty_write drivers/tty/tty_io.c:1038 [inline]
       file_tty_write+0x50c/0x8a0 drivers/tty/tty_io.c:1110
       call_write_iter include/linux/fs.h:2173 [inline]
       new_sync_write fs/read_write.c:507 [inline]
       vfs_write+0x748/0xd70 fs/read_write.c:594
       ksys_write+0x153/0x260 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+0xb0/0x100 kernel/locking/spinlock.c:162
       serial8250_console_write+0x16c/0xf50 drivers/tty/serial/8250/8250_port.c:3368
       call_console_drivers kernel/printk/printk.c:-1 [inline]
       console_unlock+0xb47/0x10f0 kernel/printk/printk.c:2744
       vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
       _printk+0xda/0x130 kernel/printk/printk.c:2299
       register_console+0x693/0x970 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+0x2fc/0x540 init/main.c:1089
       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+0x2c66/0x7b50 kernel/locking/lockdep.c:5012
       lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623
       console_trylock_spinning+0x17c/0x370 kernel/printk/printk.c:1896
       vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
       _printk+0xda/0x130 kernel/printk/printk.c:2299
       report_bug+0x1e7/0x2e0 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_user kernel/trace/bpf_trace.c:166 [inline]
       bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
       bpf_prog_02073d59a3c0f06f+0x3d/0xf0c
       bpf_dispatcher_nop_func include/linux/bpf.h:888 [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_run2+0x163/0x2e0 kernel/trace/bpf_trace.c:1915
       trace_hrtimer_start include/trace/events/timer.h:199 [inline]
       debug_activate kernel/time/hrtimer.c:466 [inline]
       enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1069
       __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
       __hrtimer_run_queues+0x5ed/0xb60 kernel/time/hrtimer.c:1749
       hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
       local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
       __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
       instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
       sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
       asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
       __x64_sys_symlink+0x2/0x90 fs/namei.c:4486
       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 --> &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 udevd/4693:
 #0: ffff8880b912a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 #0: ffff8880b912a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x59a/0xb60 kernel/time/hrtimer.c:1749
 #1: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312

stack backtrace:
CPU: 1 PID: 4693 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 check_noncircular+0x296/0x330 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+0x2c66/0x7b50 kernel/locking/lockdep.c:5012
 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623
 console_trylock_spinning+0x17c/0x370 kernel/printk/printk.c:1896
 vprintk_emit+0xa7/0x150 kernel/printk/printk.c:2273
 _printk+0xda/0x130 kernel/printk/printk.c:2299
 report_bug+0x1e7/0x2e0 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 8d 9b 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 10 98 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:ffffc90000dd0be0 EFLAGS: 00010006
RAX: ffffffff81a05a90 RBX: 0000000000000008 RCX: ffff88807e389dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: 1ffffffff203d218
R10: dffffc0000000000 R11: fffffbfff203d219 R12: ffff88807e38b548
R13: dffffc0000000000 R14: ffffc90000dd0c48 R15: 0000000000000000
 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_02073d59a3c0f06f+0x3d/0xf0c
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [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_run2+0x163/0x2e0 kernel/trace/bpf_trace.c:1915
 trace_hrtimer_start include/trace/events/timer.h:199 [inline]
 debug_activate kernel/time/hrtimer.c:466 [inline]
 enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1069
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0x5ed/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/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:__x64_sys_symlink+0x2/0x90 fs/namei.c:4486
Code: 89 c7 48 89 df 31 f6 31 d2 e8 aa 0a ff ff 4c 89 ff 44 89 f6 48 89 c2 e8 1c f8 ff ff 48 98 5b 41 5c 41 5e 41 5f c3 66 90 41 57 <41> 56 53 48 89 fb 49 bf 00 00 00 00 00 fc ff df e8 79 f4 ac ff 48
RSP: 0018:ffffc9000316ff10 EFLAGS: 00000283
RAX: 0000000000000058 RBX: ffffc9000316ff20 RCX: 78a7ba0810d54600
RDX: dffffc0000000000 RSI: 0000000000000058 RDI: ffffc9000316ff58
RBP: ffffc9000316ff48 R08: ffffffff8d8aeaef R09: 1ffffffff1b15d5d
R10: dffffc0000000000 R11: fffffbfff1b15d5e R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000316ff58 R15: 0000000000000058
 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: 0033:0x7f7569d8b527
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007fffe4a95398 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000559cbea106b0 RCX: 00007f7569d8b527
RDX: fffffffffffffe68 RSI: 00007fffe4a953a0 RDI: 0000559cbe982e60
RBP: 0000000000000065 R08: 0000000000000064 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4a953a0
R13: 0000559cbe98b410 R14: 0000000000000008 R15: 0000559cbea106b0
 </TASK>
WARNING: CPU: 1 PID: 4693 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4693 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 9b 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 10 98 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:ffffc90000dd0be0 EFLAGS: 00010006

RAX: ffffffff81a05a90 RBX: 0000000000000008 RCX: ffff88807e389dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: 1ffffffff203d218
R10: dffffc0000000000 R11: fffffbfff203d219 R12: ffff88807e38b548
R13: dffffc0000000000 R14: ffffc90000dd0c48 R15: 0000000000000000
FS:  00007f7569c2f880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559cbe9ba918 CR3: 000000001fee2000 CR4: 00000000003506e0
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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_02073d59a3c0f06f+0x3d/0xf0c
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [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_run2+0x163/0x2e0 kernel/trace/bpf_trace.c:1915
 trace_hrtimer_start include/trace/events/timer.h:199 [inline]
 debug_activate kernel/time/hrtimer.c:466 [inline]
 enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1069
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0x5ed/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/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:__x64_sys_symlink+0x2/0x90 fs/namei.c:4486
Code: 89 c7 48 89 df 31 f6 31 d2 e8 aa 0a ff ff 4c 89 ff 44 89 f6 48 89 c2 e8 1c f8 ff ff 48 98 5b 41 5c 41 5e 41 5f c3 66 90 41 57 <41> 56 53 48 89 fb 49 bf 00 00 00 00 00 fc ff df e8 79 f4 ac ff 48
RSP: 0018:ffffc9000316ff10 EFLAGS: 00000283

RAX: 0000000000000058 RBX: ffffc9000316ff20 RCX: 78a7ba0810d54600
RDX: dffffc0000000000 RSI: 0000000000000058 RDI: ffffc9000316ff58
RBP: ffffc9000316ff48 R08: ffffffff8d8aeaef R09: 1ffffffff1b15d5d
R10: dffffc0000000000 R11: fffffbfff1b15d5e R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000316ff58 R15: 0000000000000058
 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: 0033:0x7f7569d8b527
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007fffe4a95398 EFLAGS: 00000206
 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000559cbea106b0 RCX: 00007f7569d8b527
RDX: fffffffffffffe68 RSI: 00007fffe4a953a0 RDI: 0000559cbe982e60
RBP: 0000000000000065 R08: 0000000000000064 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4a953a0
R13: 0000559cbe98b410 R14: 0000000000000008 R15: 0000559cbea106b0
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 c7                	mov    %eax,%edi
   2:	48 89 df             	mov    %rbx,%rdi
   5:	31 f6                	xor    %esi,%esi
   7:	31 d2                	xor    %edx,%edx
   9:	e8 aa 0a ff ff       	call   0xffff0ab8
   e:	4c 89 ff             	mov    %r15,%rdi
  11:	44 89 f6             	mov    %r14d,%esi
  14:	48 89 c2             	mov    %rax,%rdx
  17:	e8 1c f8 ff ff       	call   0xfffff838
  1c:	48 98                	cltq
  1e:	5b                   	pop    %rbx
  1f:	41 5c                	pop    %r12
  21:	41 5e                	pop    %r14
  23:	41 5f                	pop    %r15
  25:	c3                   	ret
  26:	66 90                	xchg   %ax,%ax
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	53                   	push   %rbx
  2d:	48 89 fb             	mov    %rdi,%rbx
  30:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  37:	fc ff df
  3a:	e8 79 f4 ac ff       	call   0xffacf4b8
  3f:	48                   	rex.W