Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.362445] kasan: CONFIG_KASAN_INLINE enabled [ 66.367325] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 66.375247] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 66.381473] CPU: 0 PID: 5696 Comm: syz-executor228 Not tainted 4.19.0+ #312 [ 66.388570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.397922] RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 [ 66.403356] Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 c2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 08 48 8d 7b 09 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 72 01 00 00 [ 66.422258] RSP: 0018:ffff8801ba177408 EFLAGS: 00010202 [ 66.427602] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff113e18c [ 66.434981] RDX: 0000000000000001 RSI: ffffffff854c5ac9 RDI: 0000000000000009 [ 66.442233] RBP: ffff8801ba177438 R08: ffff8801d7666500 R09: ffffed003aa1118e [ 66.449612] R10: ffff8801ba177530 R11: ffff8801d5088c77 R12: ffffc90002569000 [ 66.456870] R13: 0000000000000000 R14: ffff8801d7746e00 R15: ffff8801d7746e00 [ 66.464141] FS: 0000000000d28880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 66.472349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.478346] CR2: 000000000043e910 CR3: 000000000946a000 CR4: 00000000001406f0 [ 66.485605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.492865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.500116] Call Trace: [ 66.502690] __vb2_queue_free+0x4b1/0xa30 [ 66.506974] ? vb2_vmalloc_detach_dmabuf+0x80/0x80 [ 66.511920] ? __vb2_plane_dmabuf_put.isra.6+0x310/0x310 [ 66.517374] ? vidioc_querycap+0x110/0x110 [ 66.521592] ? dev_debug_store+0x140/0x140 [ 66.525846] vb2_core_queue_release+0x62/0x80 [ 66.530323] vb2_queue_release+0x15/0x20 [ 66.534465] v4l2_m2m_ctx_release+0x1e/0x35 [ 66.538782] vicodec_release+0xbd/0x120 [ 66.542749] v4l2_release+0xfb/0x1a0 [ 66.546461] __fput+0x385/0xa30 [ 66.549751] ? get_max_files+0x20/0x20 [ 66.553624] ? trace_hardirqs_on+0xbd/0x310 [ 66.557926] ? kasan_check_read+0x11/0x20 [ 66.562073] ? task_work_run+0x1af/0x2a0 [ 66.566124] ? trace_hardirqs_off_caller+0x310/0x310 [ 66.571221] ____fput+0x15/0x20 [ 66.574482] task_work_run+0x1e8/0x2a0 [ 66.578360] ? task_work_cancel+0x240/0x240 [ 66.582690] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 66.588212] ? switch_task_namespaces+0x9d/0xd0 [ 66.592869] do_exit+0x1ad6/0x26d0 [ 66.596394] ? mm_update_next_owner+0x990/0x990 [ 66.601132] ? kvfree+0x66/0x70 [ 66.604447] ? video_usercopy+0x79b/0x1760 [ 66.608691] ? v4l_s_fmt+0x990/0x990 [ 66.612387] ? v4l_enumstd+0x70/0x70 [ 66.616181] ? rcu_softirq_qs+0x20/0x20 [ 66.620149] ? is_bpf_text_address+0xd3/0x170 [ 66.624634] ? __kernel_text_address+0xd/0x40 [ 66.629113] ? unwind_get_return_address+0x61/0xa0 [ 66.634024] ? __save_stack_trace+0x8d/0xf0 [ 66.638365] ? save_stack+0x43/0xd0 [ 66.641980] ? __kasan_slab_free+0x102/0x150 [ 66.646370] ? kasan_slab_free+0xe/0x10 [ 66.650329] ? kmem_cache_free+0x83/0x290 [ 66.654459] ? do_sys_open+0x54d/0x700 [ 66.658325] ? __x64_sys_open+0x7e/0xc0 [ 66.662293] ? do_syscall_64+0x1b9/0x820 [ 66.666335] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.671697] ? trace_hardirqs_off+0xb8/0x310 [ 66.676091] ? kasan_check_read+0x11/0x20 [ 66.680228] ? do_raw_spin_unlock+0xa7/0x330 [ 66.684680] ? trace_hardirqs_on+0x310/0x310 [ 66.689083] ? video_usercopy+0x1760/0x1760 [ 66.693400] ? video_ioctl2+0x2c/0x33 [ 66.697196] ? v4l2_ioctl+0x15c/0x1b0 [ 66.701123] ? video_devdata+0xa0/0xa0 [ 66.704996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.710591] ? do_vfs_ioctl+0x201/0x1720 [ 66.714664] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 66.720191] ? ioctl_preallocate+0x300/0x300 [ 66.724582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.730205] ? __fget_light+0x2e9/0x430 [ 66.734162] ? fget_raw+0x20/0x20 [ 66.737631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 66.742628] ? kmem_cache_free+0x24f/0x290 [ 66.746843] ? putname+0xf7/0x130 [ 66.750284] do_group_exit+0x177/0x440 [ 66.754156] ? trace_hardirqs_on+0xbd/0x310 [ 66.758492] ? __ia32_sys_exit+0x50/0x50 [ 66.762559] ? trace_hardirqs_off_caller+0x310/0x310 [ 66.767651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.773169] ? ksys_ioctl+0x81/0xd0 [ 66.776809] __x64_sys_exit_group+0x3e/0x50 [ 66.781122] do_syscall_64+0x1b9/0x820 [ 66.784997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 66.790343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 66.795382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.800212] ? trace_hardirqs_on_caller+0x310/0x310 [ 66.805224] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 66.810227] ? prepare_exit_to_usermode+0x291/0x3b0 [ 66.815344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.820354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.825597] RIP: 0033:0x442d98 [ 66.828787] Code: Bad RIP value. [ 66.832129] RSP: 002b:00007ffe7e803ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.839819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442d98 [ 66.847182] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 66.854437] RBP: 00000000004c2968 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 66.861705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 66.869124] R13: 00000000006d4180 R14: 0000000000000000 R15: 0000000000000000 [ 66.876508] Modules linked in: [ 66.880225] ---[ end trace fa498724fa47093e ]--- [ 66.885113] RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 [ 66.890559] Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 c2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 08 48 8d 7b 09 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 72 01 00 00 [ 66.909508] RSP: 0018:ffff8801ba177408 EFLAGS: 00010202 [ 66.914881] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff113e18c [ 66.922222] RDX: 0000000000000001 RSI: ffffffff854c5ac9 RDI: 0000000000000009 [ 66.929485] RBP: ffff8801ba177438 R08: ffff8801d7666500 R09: ffffed003aa1118e [ 66.936843] R10: ffff8801ba177530 R11: ffff8801d5088c77 R12: ffffc90002569000 [ 66.944475] R13: 0000000000000000 R14: ffff8801d7746e00 R15: ffff8801d7746e00 [ 66.951776] FS: 0000000000d28880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 66.959990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.965891] CR2: 0000000000442d6e CR3: 000000000946a000 CR4: 00000000001406f0 [ 66.973401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.980660] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.988008] Kernel panic - not syncing: Fatal exception [ 66.994268] Kernel Offset: disabled [ 66.997896] Rebooting in 86400 seconds..