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VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVYUdOBYAAAAAEOZvHUbPBgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwKUAAAD//5twzl8=") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) chdir(&(0x7f00000000c0)='./file0\x00') poll(&(0x7f000000cc40), 0x0, 0x40) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x8000000) r2 = syz_open_dev$vim2m(&(0x7f00000001c0), 0x0, 0x2) ioctl$vim2m_VIDIOC_REQBUFS(r2, 0xc0145608, &(0x7f0000000040)={0x8, 0x1, 0x1}) ioctl$vim2m_VIDIOC_EXPBUF(r2, 0xc0405610, &(0x7f0000000080)={0x1}) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x1c0) r3 = landlock_create_ruleset(&(0x7f0000000240)={0x1fff}, 0x10, 0x0) landlock_restrict_self(r3, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000380)='./file1\x00', 0x200) socket$packet(0x11, 0x3, 0x300) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000300)=0x8000, 0x4) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000dc0)={'veth1_macvtap\x00', 0x0}) bind$xdp(0xffffffffffffffff, &(0x7f0000000040)={0x2c, 0x5, r5}, 0x10) r6 = socket$can_bcm(0x1d, 0x2, 0x2) openat$pfkey(0xffffffffffffff9c, 0x0, 0x10000, 0x0) sendmsg$can_bcm(r6, 0x0, 0x0) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f0000000a80)={0x1, 0x2, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0}) unlink(&(0x7f0000000140)='./file0\x00') ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000001480)={{r0}, 0x0, 0xfcffffff, @unused=[0x0, 0x0, 0xfffffffffffffffc], @subvolid=0x3}) [ 58.297028][ T4665] Bluetooth: hci0: command tx timeout [ 58.330361][ T5316] loop0: detected capacity change from 0 to 32768 [ 58.344307][ T5316] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5316) [ 58.388722][ T5316] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 58.392843][ T5316] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 58.403761][ T5316] BTRFS info (device loop0): using free-space-tree [ 58.443305][ T5316] BTRFS info (device loop0): rebuilding free space tree [ 58.650051][ T5334] fs-verity: sha512 using implementation "sha512-avx2" [ 58.936137][ C0] [ 58.937257][ C0] ============================= [ 58.938995][ C0] [ BUG: Invalid wait context ] [ 58.940552][ C0] 6.12.0-syzkaller-12113-gbcc8eda6d349 #0 Not tainted [ 58.943019][ C0] ----------------------------- [ 58.944871][ C0] syz.0.0/5315 is trying to lock: [ 58.946757][ C0] ffff88801fc3aab0 (batched_entropy_u8.lock){..-.}-{3:3}, at: get_random_u8+0x1a0/0xaa0 [ 58.950453][ C0] other info that might help us debug this: [ 58.952712][ C0] context-{2:2} [ 58.954159][ C0] 4 locks held by syz.0.0/5315: [ 58.956125][ C0] #0: ffff888035b15988 (&mdev->req_queue_mutex){+.+.}-{4:4}, at: v4l2_release+0x1b5/0x3b0 [ 58.959859][ C0] #1: ffff888035b14760 (&dev_instance->mutex){+.+.}-{4:4}, at: vicodec_release+0x6f/0x110 [ 58.963802][ C0] #2: ffff8880525e2138 (&q->mmap_lock){+.+.}-{4:4}, at: vb2_core_queue_release+0x40/0x150 [ 58.967574][ C0] #3: ffff88801fc3e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 58.971227][ C0] stack backtrace: [ 58.972803][ C0] CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-12113-gbcc8eda6d349 #0 [ 58.977040][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 58.980979][ C0] Call Trace: [ 58.982254][ C0] [ 58.983161][ C0] dump_stack_lvl+0x241/0x360 [ 58.984999][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.986878][ C0] ? __pfx__printk+0x10/0x10 [ 58.988611][ C0] __lock_acquire+0x15a8/0x2100 [ 58.990303][ C0] lock_acquire+0x1ed/0x550 [ 58.991783][ C0] ? get_random_u8+0x1a0/0xaa0 [ 58.993331][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 58.995123][ C0] get_random_u8+0x1bd/0xaa0 [ 58.996663][ C0] ? get_random_u8+0x1a0/0xaa0 [ 58.998256][ C0] ? get_random_u8+0x1a0/0xaa0 [ 58.999874][ C0] ? __pfx_get_random_u8+0x10/0x10 [ 59.001719][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 59.003515][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 59.005352][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 59.007597][ C0] ? kernel_text_address+0xa7/0xe0 [ 59.009512][ C0] ? __kernel_text_address+0xd/0x40 [ 59.011417][ C0] ? unwind_get_return_address+0x4d/0x90 [ 59.013418][ C0] ? arch_stack_walk+0xfd/0x150 [ 59.015161][ C0] kfence_guarded_alloc+0x9c/0xcd0 [ 59.016948][ C0] ? __pfx_kfence_guarded_alloc+0x10/0x10 [ 59.019159][ C0] ? __irq_work_queue_local+0x115/0x410 [ 59.021249][ C0] ? get_alloc_stack_hash+0x3c0/0x760 [ 59.023284][ C0] __kfence_alloc+0x344/0x370 [ 59.025059][ C0] ? __pfx___kfence_alloc+0x10/0x10 [ 59.026765][ C0] ? __kfence_alloc+0x274/0x370 [ 59.028407][ C0] ? __kmalloc_cache_noprof+0x2dd/0x390 [ 59.030520][ C0] ? __set_page_owner+0x55f/0x800 [ 59.032430][ C0] ? post_alloc_hook+0x1f3/0x230 [ 59.034286][ C0] ? get_page_from_freelist+0x365c/0x37a0 [ 59.036388][ C0] ? __alloc_pages_noprof+0x292/0x710 [ 59.038419][ C0] ? alloc_pages_mpol_noprof+0x3e8/0x680 [ 59.040492][ C0] ? stack_depot_save_flags+0x666/0x830 [ 59.042597][ C0] ? kasan_save_stack+0x4f/0x60 [ 59.044416][ C0] ? __kasan_record_aux_stack+0xac/0xc0 [ 59.046422][ C0] ? task_work_add+0xd9/0x490 [ 59.048136][ C0] ? task_tick_fair+0x58c/0x7b0 [ 59.049991][ C0] ? sched_tick+0x21e/0x660 [ 59.051684][ C0] ? update_process_times+0x276/0x2f0 [ 59.053621][ C0] ? tick_nohz_handler+0x37c/0x500 [ 59.055444][ C0] ? __hrtimer_run_queues+0x551/0xd30 [ 59.057374][ C0] ? hrtimer_interrupt+0x403/0xa40 [ 59.059178][ C0] ? __sysvec_apic_timer_interrupt+0x110/0x420 [ 59.061298][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 59.063355][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 59.065572][ C0] ? memset_orig+0x4e/0xb0 [ 59.067181][ C0] ? remove_vm_area+0x25e/0x300 [ 59.068974][ C0] ? vfree+0x7c/0x2e0 [ 59.070519][ C0] ? vb2_vmalloc_put+0x68/0xb0 [ 59.072291][ C0] ? __vb2_buf_mem_free+0xfa/0x2a0 [ 59.074156][ C0] ? __vb2_queue_free+0x452/0xb70 [ 59.076143][ C0] ? vb2_core_queue_release+0x6c/0x150 [ 59.078261][ C0] ? v4l2_m2m_ctx_release+0x1e/0x40 [ 59.080267][ C0] ? vicodec_release+0x94/0x110 [ 59.082084][ C0] ? v4l2_release+0x1f5/0x3b0 [ 59.083915][ C0] ? __fput+0x23c/0xa50 [ 59.085408][ C0] ? task_work_run+0x24f/0x310 [ 59.087248][ C0] ? syscall_exit_to_user_mode+0x13f/0x340 [ 59.089460][ C0] ? do_syscall_64+0x100/0x230 [ 59.091310][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.093537][ C0] ? __pfx_lock_release+0x10/0x10 [ 59.095470][ C0] ? alloc_pages_mpol_noprof+0x3e8/0x680 [ 59.097564][ C0] ? kasan_save_stack+0x4f/0x60 [ 59.099446][ C0] ? task_work_add+0xd9/0x490 [ 59.101151][ C0] __kmalloc_cache_noprof+0x2dd/0x390 [ 59.103231][ C0] ? __set_page_owner+0x55f/0x800 [ 59.105140][ C0] __set_page_owner+0x55f/0x800 [ 59.106924][ C0] ? __pfx___set_page_owner+0x10/0x10 [ 59.108976][ C0] post_alloc_hook+0x1f3/0x230 [ 59.110804][ C0] get_page_from_freelist+0x365c/0x37a0 [ 59.112879][ C0] __alloc_pages_noprof+0x292/0x710 [ 59.114794][ C0] ? __pfx___alloc_pages_noprof+0x10/0x10 [ 59.116903][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 59.118806][ C0] ? kernel_text_address+0xa7/0xe0 [ 59.120708][ C0] ? arch_stack_walk+0xfd/0x150 [ 59.122588][ C0] alloc_pages_mpol_noprof+0x3e8/0x680 [ 59.124619][ C0] ? __pfx_alloc_pages_mpol_noprof+0x10/0x10 [ 59.126816][ C0] ? stack_trace_save+0x118/0x1d0 [ 59.128758][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 59.130720][ C0] ? alloc_pages_noprof+0x43/0x170 [ 59.132600][ C0] stack_depot_save_flags+0x666/0x830 [ 59.134628][ C0] kasan_save_stack+0x4f/0x60 [ 59.136432][ C0] ? kasan_save_stack+0x3f/0x60 [ 59.138380][ C0] ? __kasan_record_aux_stack+0xac/0xc0 [ 59.140533][ C0] ? task_work_add+0xd9/0x490 [ 59.142328][ C0] ? task_tick_fair+0x58c/0x7b0 [ 59.144195][ C0] ? sched_tick+0x21e/0x660 [ 59.145909][ C0] ? update_process_times+0x276/0x2f0 [ 59.147979][ C0] ? tick_nohz_handler+0x37c/0x500 [ 59.149883][ C0] ? __hrtimer_run_queues+0x551/0xd30 [ 59.151999][ C0] ? hrtimer_interrupt+0x403/0xa40 [ 59.153908][ C0] ? __sysvec_apic_timer_interrupt+0x110/0x420 [ 59.156288][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 59.158461][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 59.160781][ C0] ? memset_orig+0x4e/0xb0 [ 59.162433][ C0] ? remove_vm_area+0x25e/0x300 [ 59.164353][ C0] ? vfree+0x7c/0x2e0 [ 59.165796][ C0] ? vb2_vmalloc_put+0x68/0xb0 [ 59.167593][ C0] ? __vb2_buf_mem_free+0xfa/0x2a0 [ 59.169478][ C0] ? __vb2_queue_free+0x452/0xb70 [ 59.171411][ C0] ? vb2_core_queue_release+0x6c/0x150 [ 59.173455][ C0] ? v4l2_m2m_ctx_release+0x1e/0x40 [ 59.175457][ C0] ? vicodec_release+0x94/0x110 [ 59.177311][ C0] ? v4l2_release+0x1f5/0x3b0 [ 59.179174][ C0] ? __fput+0x23c/0xa50 [ 59.180798][ C0] ? task_work_run+0x24f/0x310 [ 59.182668][ C0] ? syscall_exit_to_user_mode+0x13f/0x340 [ 59.184978][ C0] ? do_syscall_64+0x100/0x230 [ 59.186869][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.189144][ C0] ? __phys_addr+0xba/0x170 [ 59.190877][ C0] __kasan_record_aux_stack+0xac/0xc0 [ 59.192889][ C0] task_work_add+0xd9/0x490 [ 59.194657][ C0] ? __pfx_task_work_add+0x10/0x10 [ 59.196572][ C0] ? task_scan_start+0x14c/0x430 [ 59.198426][ C0] ? task_scan_start+0x14c/0x430 [ 59.200361][ C0] ? task_scan_start+0x3f5/0x430 [ 59.202292][ C0] task_tick_fair+0x58c/0x7b0 [ 59.204093][ C0] sched_tick+0x21e/0x660 [ 59.205686][ C0] update_process_times+0x276/0x2f0 [ 59.207627][ C0] tick_nohz_handler+0x37c/0x500 [ 59.209506][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 59.211490][ C0] __hrtimer_run_queues+0x551/0xd30 [ 59.213382][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 59.215430][ C0] ? kvm_clock_get_cycles+0x52/0x70 [ 59.217356][ C0] ? ktime_get_update_offsets_now+0x393/0x3b0 [ 59.219546][ C0] hrtimer_interrupt+0x403/0xa40 [ 59.221355][ C0] __sysvec_apic_timer_interrupt+0x110/0x420 [ 59.223647][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 59.225777][ C0] [ 59.226931][ C0] [ 59.228028][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 59.230253][ C0] RIP: 0010:memset_orig+0x4e/0xb0 [ 59.232088][ C0] Code: d1 48 c1 e9 06 74 35 0f 1f 44 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 <48> 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 [ 59.238894][ C0] RSP: 0018:ffffc9000d47fad8 EFLAGS: 00000202 [ 59.241173][ C0] RAX: f8f8f8f8f8f8f8f8 RBX: 1ffff11002303c32 RCX: 0000000000000fdc [ 59.244129][ C0] RDX: 0000000000054800 RSI: 00000000000000f8 RDI: fffff520048162c0 [ 59.247055][ C0] RBP: 0000000000000000 R08: ffffffff81f84d6b R09: 0000000000000000 [ 59.249942][ C0] R10: fffff52004801200 R11: fffffbfff2857123 R12: 1ffff11002303c33 [ 59.252996][ C0] R13: ffff88801181e190 R14: ffff88801181e180 R15: ffff88803e763d00 [ 59.255938][ C0] ? remove_vm_area+0x22b/0x300 [ 59.257767][ C0] remove_vm_area+0x25e/0x300 [ 59.259557][ C0] vfree+0x7c/0x2e0 [ 59.261014][ C0] vb2_vmalloc_put+0x68/0xb0 [ 59.262751][ C0] ? __pfx_vb2_vmalloc_put+0x10/0x10 [ 59.264799][ C0] __vb2_buf_mem_free+0xfa/0x2a0 [ 59.266600][ C0] __vb2_queue_free+0x452/0xb70 [ 59.268095][ C0] vb2_core_queue_release+0x6c/0x150 [ 59.269707][ C0] v4l2_m2m_ctx_release+0x1e/0x40 [ 59.271557][ C0] vicodec_release+0x94/0x110 [ 59.273425][ C0] ? __pfx_vicodec_release+0x10/0x10 [ 59.275436][ C0] v4l2_release+0x1f5/0x3b0 [ 59.277133][ C0] ? __pfx_v4l2_release+0x10/0x10 [ 59.279012][ C0] __fput+0x23c/0xa50 [ 59.280545][ C0] task_work_run+0x24f/0x310 [ 59.282318][ C0] ? _raw_spin_unlock+0x28/0x50 [ 59.284181][ C0] ? __pfx_task_work_run+0x10/0x10 [ 59.286099][ C0] ? syscall_exit_to_user_mode+0xa3/0x340 [ 59.288161][ C0] syscall_exit_to_user_mode+0x13f/0x340 [ 59.290201][ C0] do_syscall_64+0x100/0x230 [ 59.291977][ C0] ? clear_bhb_loop+0x35/0x90 [ 59.293737][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.295941][ C0] RIP: 0033:0x7fb39b580849 [ 59.297625][ C0] 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 [ 59.304076][ C0] RSP: 002b:00007ffcda4ab928 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 59.307059][ C0] RAX: 0000000000000000 RBX: 00007fb39b747ba0 RCX: 00007fb39b580849 [ 59.309882][ C0] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 59.317622][ C0] RBP: 00007fb39b747ba0 R08: 0000000000021f3c R09: 00007ffcda4abc0f [ 59.320373][ C0] R10: 00007fb39b747ac0 R11: 0000000000000246 R12: 000000000000e57b [ 59.323137][ C0] R13: 00007fb39b746240 R14: 0000000000000032 R15: ffffffffffffffff [ 59.325923][ C0] [ 59.482532][ T5334] fs-verity (loop0, inode 258): Error -4 building Merkle tree [ 59.485795][ T5317] syz.0.0 (5317) used greatest stack depth: 19056 bytes left