------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.157-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/3524 is trying to acquire lock:
ffffffff8c914680 (console_owner){-...}-{0:0}, at: console_trylock_spinning+0x185/0x3f0 kernel/printk/printk.c:1879

but task is already holding lock:
ffff8880b9b2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
ffff8880b9b2a218 (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
       __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
       _raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
       __debug_check_no_obj_freed lib/debugobjects.c:981 [inline]
       debug_check_no_obj_freed+0x455/0x4e0 lib/debugobjects.c:1002
       slab_free_hook mm/slub.c:1680 [inline]
       slab_free_freelist_hook+0x86/0x160 mm/slub.c:1731
       slab_free mm/slub.c:3499 [inline]
       kmem_cache_free+0x91/0x1f0 mm/slub.c:3515
       putname fs/namei.c:271 [inline]
       user_path_at_empty+0x12b/0x180 fs/namei.c:2885
       user_path_at include/linux/namei.h:57 [inline]
       vfs_statx+0x106/0x3b0 fs/stat.c:221
       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+0x12c/0x1b0 fs/stat.c:405
       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/0x2c4
       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
       __traceiter_hrtimer_start+0x6b/0xb0 include/trace/events/timer.h:199
       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
       copy_pte_range mm/memory.c:1070 [inline]
       copy_pmd_range mm/memory.c:1156 [inline]
       copy_pud_range mm/memory.c:1193 [inline]
       copy_p4d_range mm/memory.c:1217 [inline]
       copy_page_range+0x12cd/0x43b0 mm/memory.c:1290
       dup_mmap kernel/fork.c:614 [inline]
       dup_mm kernel/fork.c:1465 [inline]
       copy_mm+0xc64/0x1370 kernel/fork.c:1517
       copy_process+0x1816/0x3ef0 kernel/fork.c:2206
       kernel_clone+0x210/0x960 kernel/fork.c:2604
       __do_sys_clone kernel/fork.c:2721 [inline]
       __se_sys_clone kernel/fork.c:2705 [inline]
       __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
       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 ***

7 locks held by syz-executor.3/3524:
 #0: ffffffff8c9aaf90 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:502 [inline]
 #0: ffffffff8c9aaf90 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1465 [inline]
 #0: ffffffff8c9aaf90 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x223/0x1370 kernel/fork.c:1517
 #1: ffff88807a4fc728 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline]
 #1: ffff88807a4fc728 (&mm->mmap_lock){++++}-{3:3}, at: dup_mmap kernel/fork.c:503 [inline]
 #1: ffff88807a4fc728 (&mm->mmap_lock){++++}-{3:3}, at: dup_mm kernel/fork.c:1465 [inline]
 #1: ffff88807a4fc728 (&mm->mmap_lock){++++}-{3:3}, at: copy_mm+0x242/0x1370 kernel/fork.c:1517
 #2: ffff88807af6b228 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline]
 #2: ffff88807af6b228 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:512 [inline]
 #2: ffff88807af6b228 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm kernel/fork.c:1465 [inline]
 #2: ffff88807af6b228 (&mm->mmap_lock/1){+.+.}-{3:3}, at: copy_mm+0x35c/0x1370 kernel/fork.c:1517
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: copy_pte_range mm/memory.c:1021 [inline]
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: copy_pmd_range mm/memory.c:1156 [inline]
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: copy_pud_range mm/memory.c:1193 [inline]
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: copy_p4d_range mm/memory.c:1217 [inline]
 #3: ffff8880751af078 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: copy_page_range+0xfc2/0x43b0 mm/memory.c:1290
 #4: ffff888061fc8078 (ptlock_ptr(page)#2/1){+.+.}-{2:2}, at: copy_pte_range mm/memory.c:1028 [inline]
 #4: ffff888061fc8078 (ptlock_ptr(page)#2/1){+.+.}-{2:2}, at: copy_pmd_range mm/memory.c:1156 [inline]
 #4: ffff888061fc8078 (ptlock_ptr(page)#2/1){+.+.}-{2:2}, at: copy_pud_range mm/memory.c:1193 [inline]
 #4: ffff888061fc8078 (ptlock_ptr(page)#2/1){+.+.}-{2:2}, at: copy_p4d_range mm/memory.c:1217 [inline]
 #4: ffff888061fc8078 (ptlock_ptr(page)#2/1){+.+.}-{2:2}, at: copy_page_range+0x10bd/0x43b0 mm/memory.c:1290
 #5: ffff8880b9b2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 #5: ffff8880b9b2a218 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1750
 #6: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311

stack backtrace:
CPU: 1 PID: 3524 Comm: syz-executor.3 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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
 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 c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 74 c4 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:ffffc90000dd0b90 EFLAGS: 00010046
RAX: ffffffff81aa986c RBX: 0000000000000000 RCX: ffff88807de21dc0
RDX: 0000000080010004 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa977d R09: ffffed100fbc43b9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000dd0c08
 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/0x2c4
 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
 __traceiter_hrtimer_start+0x6b/0xb0 include/trace/events/timer.h:199
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:copy_present_pte mm/memory.c:946 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1070 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1156 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1193 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1217 [inline]
RIP: 0010:copy_page_range+0x12cd/0x43b0 mm/memory.c:1290
Code: 7c 24 38 e8 85 fe 11 00 48 8b 44 24 40 48 8b 10 4c 89 e7 48 8b 74 24 20 48 89 94 24 88 00 00 00 e8 a8 df ff ff 48 89 44 24 18 <48> 85 c0 0f 84 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 8c
RSP: 0018:ffffc90002de75e0 EFLAGS: 00000286
RAX: ffffea00018a4800 RBX: 00007f6ba553f000 RCX: ffff88807de21dc0
RDX: 0000000000000000 RSI: 000000000023ffff RDI: 0000000000062920
RBP: ffffc90002de7950 R08: ffffffff81b816b5 R09: fffff940003148f9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888061fc0738
R13: 8000000062920007 R14: 1ffff1100c3f933f R15: ffff888061fc0788
 dup_mmap kernel/fork.c:614 [inline]
 dup_mm kernel/fork.c:1465 [inline]
 copy_mm+0xc64/0x1370 kernel/fork.c:1517
 copy_process+0x1816/0x3ef0 kernel/fork.c:2206
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone kernel/fork.c:2721 [inline]
 __se_sys_clone kernel/fork.c:2705 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
 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: 0033:0x7f6ba639fed3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007fff51bd4f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ba639fed3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055555570b750 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
WARNING: CPU: 1 PID: 3524 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 3524 Comm: syz-executor.3 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 74 c4 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:ffffc90000dd0b90 EFLAGS: 00010046

RAX: ffffffff81aa986c RBX: 0000000000000000 RCX: ffff88807de21dc0
RDX: 0000000080010004 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa977d R09: ffffed100fbc43b9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000dd0c08
FS:  000055555570b480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000061fbf000 CR4: 00000000003526e0
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_f4543f5253660125+0x3d/0x2c4
 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
 __traceiter_hrtimer_start+0x6b/0xb0 include/trace/events/timer.h:199
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:copy_present_pte mm/memory.c:946 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1070 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1156 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1193 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1217 [inline]
RIP: 0010:copy_page_range+0x12cd/0x43b0 mm/memory.c:1290
Code: 7c 24 38 e8 85 fe 11 00 48 8b 44 24 40 48 8b 10 4c 89 e7 48 8b 74 24 20 48 89 94 24 88 00 00 00 e8 a8 df ff ff 48 89 44 24 18 <48> 85 c0 0f 84 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 8c
RSP: 0018:ffffc90002de75e0 EFLAGS: 00000286

RAX: ffffea00018a4800 RBX: 00007f6ba553f000 RCX: ffff88807de21dc0
RDX: 0000000000000000 RSI: 000000000023ffff RDI: 0000000000062920
RBP: ffffc90002de7950 R08: ffffffff81b816b5 R09: fffff940003148f9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888061fc0738
R13: 8000000062920007 R14: 1ffff1100c3f933f R15: ffff888061fc0788
 dup_mmap kernel/fork.c:614 [inline]
 dup_mm kernel/fork.c:1465 [inline]
 copy_mm+0xc64/0x1370 kernel/fork.c:1517
 copy_process+0x1816/0x3ef0 kernel/fork.c:2206
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone kernel/fork.c:2721 [inline]
 __se_sys_clone kernel/fork.c:2705 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
 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: 0033:0x7f6ba639fed3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007fff51bd4f38 EFLAGS: 00000246
 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ba639fed3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055555570b750 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
----------------
Code disassembly (best guess):
   0:	7c 24                	jl     0x26
   2:	38 e8                	cmp    %ch,%al
   4:	85 fe                	test   %edi,%esi
   6:	11 00                	adc    %eax,(%rax)
   8:	48 8b 44 24 40       	mov    0x40(%rsp),%rax
   d:	48 8b 10             	mov    (%rax),%rdx
  10:	4c 89 e7             	mov    %r12,%rdi
  13:	48 8b 74 24 20       	mov    0x20(%rsp),%rsi
  18:	48 89 94 24 88 00 00 	mov    %rdx,0x88(%rsp)
  1f:	00
  20:	e8 a8 df ff ff       	call   0xffffdfcd
  25:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
* 2a:	48 85 c0             	test   %rax,%rax <-- trapping instruction
  2d:	0f 84 d1 00 00 00    	je     0x104
  33:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3a:	fc ff df
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b
  3f:	8c                   	.byte 0x8c