[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.255697][ T8469] ================================================================================ [ 55.266807][ T8469] UBSAN: shift-out-of-bounds in drivers/media/v4l2-core/v4l2-ctrls.c:2168:36 [ 55.277272][ T8469] shift exponent 100 is too large for 64-bit type 'long long unsigned int' [ 55.286846][ T8469] CPU: 0 PID: 8469 Comm: syz-executor534 Not tainted 5.11.0-rc4-syzkaller #0 [ 55.295802][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.305972][ T8469] Call Trace: [ 55.309292][ T8469] dump_stack+0x107/0x163 [ 55.313649][ T8469] ubsan_epilogue+0xb/0x5a [ 55.318105][ T8469] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 55.324890][ T8469] ? __schedule+0x1ac1/0x21a0 [ 55.329592][ T8469] ? v4l2_s_ctrl+0x2b7/0x4f0 [ 55.334193][ T8469] std_validate.cold+0x19/0x1e [ 55.338966][ T8469] ? mutex_lock_io_nested+0xf60/0xf60 [ 55.344464][ T8469] ? v4l2_ctrl_notify+0x180/0x180 [ 55.349488][ T8469] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 55.355391][ T8469] ? user_to_ptr+0x467/0x910 [ 55.360148][ T8469] set_ctrl+0x207/0x4a0 [ 55.364400][ T8469] v4l2_s_ctrl+0x2fd/0x4f0 [ 55.369110][ T8469] ? user_to_ptr+0x910/0x910 [ 55.373931][ T8469] ? __mutex_lock+0x61b/0x1110 [ 55.378707][ T8469] ? __video_do_ioctl+0x550/0xe20 [ 55.383738][ T8469] v4l_s_ctrl+0x324/0x390 [ 55.388766][ T8469] ? v4l_queryctrl+0x1a0/0x1a0 [ 55.394083][ T8469] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.400330][ T8469] ? _copy_from_user+0x5d/0x180 [ 55.405179][ T8469] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 55.411415][ T8469] ? video_get_user+0x35f/0x9b0 [ 55.416566][ T8469] __video_do_ioctl+0xb94/0xe20 [ 55.421437][ T8469] ? v4l_print_control+0x60/0x60 [ 55.426373][ T8469] ? lockdep_hardirqs_on+0x79/0x100 [ 55.431576][ T8469] ? v4l_print_control+0x60/0x60 [ 55.436499][ T8469] video_usercopy+0x23d/0x12d0 [ 55.441249][ T8469] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 55.447474][ T8469] ? v4l_enumstd+0x60/0x60 [ 55.451976][ T8469] ? __generic_block_fiemap+0x720/0x740 [ 55.457520][ T8469] ? build_open_flags+0x680/0x680 [ 55.462533][ T8469] v4l2_ioctl+0x1b3/0x250 [ 55.466842][ T8469] ? v4l2_prio_init+0x20/0x20 [ 55.471497][ T8469] __x64_sys_ioctl+0x193/0x200 [ 55.476262][ T8469] do_syscall_64+0x2d/0x70 [ 55.480663][ T8469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.486648][ T8469] RIP: 0033:0x443ee9 [ 55.490717][ T8469] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.510319][ T8469] RSP: 002b:00007ffe02e7df08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.518888][ T8469] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ee9 [ 55.526840][ T8469] RDX: 0000000020000140 RSI: 00000000c008561c RDI: 0000000000000003 [ 55.534881][ T8469] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 55.542831][ T8469] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b70 [ 55.550782][ T8469] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 55.559926][ T8469] ================================================================================ [ 55.569290][ T8469] Kernel panic - not syncing: panic_on_warn set ... [ 55.575955][ T8469] CPU: 0 PID: 8469 Comm: syz-executor534 Not tainted 5.11.0-rc4-syzkaller #0 [ 55.584706][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.594742][ T8469] Call Trace: [ 55.598007][ T8469] dump_stack+0x107/0x163 [ 55.602341][ T8469] panic+0x306/0x73d [ 55.606323][ T8469] ? __warn_printk+0xf3/0xf3 [ 55.610900][ T8469] ? ubsan_epilogue+0x3e/0x5a [ 55.615595][ T8469] ubsan_epilogue+0x54/0x5a [ 55.620182][ T8469] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 55.626959][ T8469] ? __schedule+0x1ac1/0x21a0 [ 55.631619][ T8469] ? v4l2_s_ctrl+0x2b7/0x4f0 [ 55.636196][ T8469] std_validate.cold+0x19/0x1e [ 55.640975][ T8469] ? mutex_lock_io_nested+0xf60/0xf60 [ 55.646331][ T8469] ? v4l2_ctrl_notify+0x180/0x180 [ 55.651595][ T8469] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 55.657562][ T8469] ? user_to_ptr+0x467/0x910 [ 55.662136][ T8469] set_ctrl+0x207/0x4a0 [ 55.666291][ T8469] v4l2_s_ctrl+0x2fd/0x4f0 [ 55.670689][ T8469] ? user_to_ptr+0x910/0x910 [ 55.675262][ T8469] ? __mutex_lock+0x61b/0x1110 [ 55.680007][ T8469] ? __video_do_ioctl+0x550/0xe20 [ 55.685118][ T8469] v4l_s_ctrl+0x324/0x390 [ 55.689431][ T8469] ? v4l_queryctrl+0x1a0/0x1a0 [ 55.694182][ T8469] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.700418][ T8469] ? _copy_from_user+0x5d/0x180 [ 55.705357][ T8469] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 55.711061][ T8469] ? video_get_user+0x35f/0x9b0 [ 55.715897][ T8469] __video_do_ioctl+0xb94/0xe20 [ 55.720851][ T8469] ? v4l_print_control+0x60/0x60 [ 55.725781][ T8469] ? lockdep_hardirqs_on+0x79/0x100 [ 55.730965][ T8469] ? v4l_print_control+0x60/0x60 [ 55.735885][ T8469] video_usercopy+0x23d/0x12d0 [ 55.740634][ T8469] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 55.746875][ T8469] ? v4l_enumstd+0x60/0x60 [ 55.751292][ T8469] ? __generic_block_fiemap+0x720/0x740 [ 55.756910][ T8469] ? build_open_flags+0x680/0x680 [ 55.761928][ T8469] v4l2_ioctl+0x1b3/0x250 [ 55.766275][ T8469] ? v4l2_prio_init+0x20/0x20 [ 55.770981][ T8469] __x64_sys_ioctl+0x193/0x200 [ 55.775969][ T8469] do_syscall_64+0x2d/0x70 [ 55.780415][ T8469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.786491][ T8469] RIP: 0033:0x443ee9 [ 55.790469][ T8469] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.810250][ T8469] RSP: 002b:00007ffe02e7df08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.819082][ T8469] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ee9 [ 55.827075][ T8469] RDX: 0000000020000140 RSI: 00000000c008561c RDI: 0000000000000003 [ 55.835561][ T8469] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 55.843673][ T8469] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b70 [ 55.851663][ T8469] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 55.863974][ T8469] Kernel Offset: disabled [ 55.868433][ T8469] Rebooting in 86400 seconds..