Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.661663] kasan: CONFIG_KASAN_INLINE enabled [ 40.666422] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.673910] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.680362] CPU: 0 PID: 5648 Comm: syz-executor448 Not tainted 4.19.0+ #215 [ 40.687451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.696886] RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 [ 40.702435] 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 [ 40.721321] RSP: 0018:ffff8801c7b573b8 EFLAGS: 00010202 [ 40.726668] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff113e18c [ 40.733919] RDX: 0000000000000001 RSI: ffffffff854c5ac9 RDI: 0000000000000009 [ 40.741169] RBP: ffff8801c7b573e8 R08: ffff8801d7900400 R09: ffffed003af53c8e [ 40.748429] R10: ffff8801c7b574e0 R11: ffff8801d7a9e477 R12: ffffc90002551000 [ 40.755683] R13: 0000000000000000 R14: ffff8801bce09800 R15: ffff8801bce09800 [ 40.762934] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 40.771139] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 40.777018] CR2: 00000000080a2aa0 CR3: 000000000946a000 CR4: 00000000001406f0 [ 40.784279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.791536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.798812] Call Trace: [ 40.801457] __vb2_queue_free+0x4b1/0xa30 [ 40.805601] ? vb2_vmalloc_detach_dmabuf+0x80/0x80 [ 40.810513] ? __vb2_plane_dmabuf_put.isra.6+0x310/0x310 [ 40.815954] ? vidioc_querycap+0x110/0x110 [ 40.820180] ? dev_debug_store+0x140/0x140 [ 40.824404] vb2_core_queue_release+0x62/0x80 [ 40.828884] vb2_queue_release+0x15/0x20 [ 40.832928] v4l2_m2m_ctx_release+0x1e/0x35 [ 40.837234] vicodec_release+0xbd/0x120 [ 40.841193] v4l2_release+0xfb/0x1a0 [ 40.844890] __fput+0x385/0xa30 [ 40.848231] ? get_max_files+0x20/0x20 [ 40.852259] ? trace_hardirqs_on+0xbd/0x310 [ 40.856578] ? kasan_check_read+0x11/0x20 [ 40.860712] ? task_work_run+0x1af/0x2a0 [ 40.864758] ? trace_hardirqs_off_caller+0x310/0x310 [ 40.869852] ____fput+0x15/0x20 [ 40.873118] task_work_run+0x1e8/0x2a0 [ 40.877140] ? task_work_cancel+0x240/0x240 [ 40.881468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 40.886992] ? switch_task_namespaces+0x9d/0xd0 [ 40.891705] do_exit+0x1ad6/0x26d0 [ 40.895240] ? mm_update_next_owner+0x990/0x990 [ 40.899899] ? find_held_lock+0x36/0x1c0 [ 40.903946] ? __handle_mm_fault+0x4729/0x5be0 [ 40.908513] ? lock_downgrade+0x900/0x900 [ 40.912645] ? kasan_check_read+0x11/0x20 [ 40.916777] ? do_raw_spin_unlock+0xa7/0x330 [ 40.921228] ? do_raw_spin_trylock+0x270/0x270 [ 40.925828] ? v4l_enumstd+0x70/0x70 [ 40.929589] ? _raw_spin_unlock+0x2c/0x50 [ 40.933729] ? __handle_mm_fault+0xa57/0x5be0 [ 40.938208] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 40.943041] ? zap_class+0x640/0x640 [ 40.946742] ? zap_class+0x640/0x640 [ 40.950438] ? zap_class+0x640/0x640 [ 40.954137] ? find_held_lock+0x36/0x1c0 [ 40.958261] ? __do_page_fault+0x620/0xe60 [ 40.962495] ? lock_downgrade+0x900/0x900 [ 40.966629] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 40.971544] ? kasan_check_read+0x11/0x20 [ 40.975751] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 40.981022] ? rcu_softirq_qs+0x20/0x20 [ 40.984986] ? trace_hardirqs_off_caller+0x310/0x310 [ 40.990106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 40.995631] ? check_preemption_disabled+0x48/0x280 [ 41.000761] ? kasan_check_write+0x14/0x20 [ 41.004986] ? up_read+0x225/0x2c0 [ 41.008517] do_group_exit+0x177/0x440 [ 41.012389] ? trace_hardirqs_on+0xbd/0x310 [ 41.016696] ? __ia32_sys_exit+0x50/0x50 [ 41.020737] ? trace_hardirqs_off_caller+0x310/0x310 [ 41.025824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.031344] ? __do_page_fault+0x491/0xe60 [ 41.035562] ? __ia32_compat_sys_ioctl+0x17a/0x630 [ 41.040482] __ia32_sys_exit_group+0x3e/0x50 [ 41.044886] do_fast_syscall_32+0x34d/0xfb2 [ 41.049190] ? do_int80_syscall_32+0x890/0x890 [ 41.053767] ? entry_SYSENTER_compat+0x68/0x7f [ 41.058342] ? trace_hardirqs_off_caller+0xbb/0x310 [ 41.063539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 41.068453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.073462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.078303] ? trace_hardirqs_on_caller+0x310/0x310 [ 41.083306] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 41.088667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.094189] ? prepare_exit_to_usermode+0x291/0x3b0 [ 41.099188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.104094] entry_SYSENTER_compat+0x70/0x7f [ 41.108494] RIP: 0023:0xf7fd6a29 [ 41.111938] Code: Bad RIP value. [ 41.115288] RSP: 002b:00000000ffc501ec EFLAGS: 00000292 ORIG_RAX: 00000000000000fc [ 41.122976] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080f0298 [ 41.130227] RDX: 0000000000000000 RSI: 00000000080d9db8 RDI: 00000000080f02a0 [ 41.137481] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 41.144731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 41.151989] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.159263] Modules linked in: [ 41.162708] ---[ end trace 9cdc84febcdc3fc9 ]--- [ 41.167482] RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 [ 41.173155] 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 [ 41.192205] RSP: 0018:ffff8801c7b573b8 EFLAGS: 00010202 [ 41.197571] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff113e18c [ 41.204865] RDX: 0000000000000001 RSI: ffffffff854c5ac9 RDI: 0000000000000009 [ 41.212319] RBP: ffff8801c7b573e8 R08: ffff8801d7900400 R09: ffffed003af53c8e [ 41.219763] R10: ffff8801c7b574e0 R11: ffff8801d7a9e477 R12: ffffc90002551000 [ 41.227048] R13: 0000000000000000 R14: ffff8801bce09800 R15: ffff8801bce09800 [ 41.234348] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 41.242586] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 41.248459] CR2: 00000000f7fd69ff CR3: 000000000946a000 CR4: 00000000001406f0 [ 41.255757] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.263034] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.270286] Kernel panic - not syncing: Fatal exception [ 41.276854] Kernel Offset: disabled [ 41.280596] Rebooting in 86400 seconds..