Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
syzkaller login: [   64.458651][ T6882] ================================================================================
[   64.468475][ T6882] UBSAN: array-index-out-of-bounds in drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:942:56
[   64.479693][ T6882] index 29375 is out of range for type 's8 [257]'
[   64.487275][ T6882] CPU: 1 PID: 6882 Comm: vivid-000-vid-c Not tainted 5.9.0-rc7-syzkaller #0
[   64.496149][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.506186][ T6882] Call Trace:
[   64.509750][ T6882]  dump_stack+0x198/0x1fd
[   64.514115][ T6882]  ubsan_epilogue+0xb/0x5a
[   64.518572][ T6882]  __ubsan_handle_out_of_bounds.cold+0x62/0x6c
[   64.524717][ T6882]  precalculate_color+0x2621/0x2900
[   64.529906][ T6882]  ? color_to_ycbcr.isra.0+0x720/0x720
[   64.535495][ T6882]  tpg_recalc+0x5c8/0x2910
[   64.540037][ T6882]  ? gen_twopix+0x61a0/0x61a0
[   64.544706][ T6882]  ? mark_lock+0x82/0x1660
[   64.549107][ T6882]  ? mark_lock+0x82/0x1660
[   64.553512][ T6882]  tpg_calc_text_basep+0xbe/0x2b0
[   64.558528][ T6882]  vivid_fillbuff+0x188d/0x3c50
[   64.563637][ T6882]  ? vivid_grab_controls+0x380/0x380
[   64.568909][ T6882]  ? lock_is_held_type+0xbb/0xf0
[   64.573831][ T6882]  ? find_held_lock+0x2d/0x110
[   64.578611][ T6882]  ? vivid_thread_vid_cap_tick+0x10f4/0x2350
[   64.584586][ T6882]  ? lock_downgrade+0x830/0x830
[   64.590565][ T6882]  ? do_raw_spin_lock+0x120/0x2b0
[   64.595594][ T6882]  ? v4l2_ctrl_request_setup+0x45f/0xb00
[   64.601227][ T6882]  ? rwlock_bug.part.0+0x90/0x90
[   64.606156][ T6882]  vivid_thread_vid_cap_tick+0x88b/0x2350
[   64.611871][ T6882]  ? check_preemption_disabled+0x50/0x130
[   64.617594][ T6882]  ? read_seqcount_t_begin.constprop.0+0x17d/0x1e0
[   64.624277][ T6882]  ? lockdep_hardirqs_on+0x53/0x100
[   64.629472][ T6882]  ? mutex_trylock+0x246/0x2c0
[   64.634235][ T6882]  ? vivid_thread_vid_cap+0x2b9/0xa50
[   64.639617][ T6882]  vivid_thread_vid_cap+0x5d1/0xa50
[   64.644820][ T6882]  ? vivid_thread_vid_cap_tick+0x2350/0x2350
[   64.650788][ T6882]  kthread+0x3b5/0x4a0
[   64.654858][ T6882]  ? __kthread_bind_mask+0xc0/0xc0
[   64.660138][ T6882]  ret_from_fork+0x1f/0x30
[   64.675131][ T6882] ================================================================================
[   64.684717][ T6882] Kernel panic - not syncing: panic_on_warn set ...
[   64.691420][ T6882] CPU: 1 PID: 6882 Comm: vivid-000-vid-c Not tainted 5.9.0-rc7-syzkaller #0
[   64.700078][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.710119][ T6882] Call Trace:
[   64.713408][ T6882]  dump_stack+0x198/0x1fd
[   64.718743][ T6882]  panic+0x382/0x7fb
[   64.722745][ T6882]  ? __warn_printk+0xf3/0xf3
[   64.727327][ T6882]  ? mark_lock+0x82/0x1660
[   64.731724][ T6882]  ? ubsan_epilogue+0x3e/0x5a
[   64.736433][ T6882]  ? ubsan_epilogue+0x35/0x5a
[   64.741100][ T6882]  ubsan_epilogue+0x54/0x5a
[   64.745588][ T6882]  __ubsan_handle_out_of_bounds.cold+0x62/0x6c
[   64.751727][ T6882]  precalculate_color+0x2621/0x2900
[   64.756909][ T6882]  ? color_to_ycbcr.isra.0+0x720/0x720
[   64.762363][ T6882]  tpg_recalc+0x5c8/0x2910
[   64.766793][ T6882]  ? gen_twopix+0x61a0/0x61a0
[   64.771452][ T6882]  ? mark_lock+0x82/0x1660
[   64.775849][ T6882]  ? mark_lock+0x82/0x1660
[   64.780251][ T6882]  tpg_calc_text_basep+0xbe/0x2b0
[   64.785360][ T6882]  vivid_fillbuff+0x188d/0x3c50
[   64.790210][ T6882]  ? vivid_grab_controls+0x380/0x380
[   64.795478][ T6882]  ? lock_is_held_type+0xbb/0xf0
[   64.800421][ T6882]  ? find_held_lock+0x2d/0x110
[   64.805178][ T6882]  ? vivid_thread_vid_cap_tick+0x10f4/0x2350
[   64.811155][ T6882]  ? lock_downgrade+0x830/0x830
[   64.815986][ T6882]  ? do_raw_spin_lock+0x120/0x2b0
[   64.820991][ T6882]  ? v4l2_ctrl_request_setup+0x45f/0xb00
[   64.826608][ T6882]  ? rwlock_bug.part.0+0x90/0x90
[   64.831551][ T6882]  vivid_thread_vid_cap_tick+0x88b/0x2350
[   64.837269][ T6882]  ? check_preemption_disabled+0x50/0x130
[   64.842972][ T6882]  ? read_seqcount_t_begin.constprop.0+0x17d/0x1e0
[   64.849455][ T6882]  ? lockdep_hardirqs_on+0x53/0x100
[   64.854641][ T6882]  ? mutex_trylock+0x246/0x2c0
[   64.859386][ T6882]  ? vivid_thread_vid_cap+0x2b9/0xa50
[   64.864754][ T6882]  vivid_thread_vid_cap+0x5d1/0xa50
[   64.869954][ T6882]  ? vivid_thread_vid_cap_tick+0x2350/0x2350
[   64.875916][ T6882]  kthread+0x3b5/0x4a0
[   64.879983][ T6882]  ? __kthread_bind_mask+0xc0/0xc0
[   64.885089][ T6882]  ret_from_fork+0x1f/0x30
[   64.890940][ T6882] Kernel Offset: disabled
[   64.895383][ T6882] Rebooting in 86400 seconds..