[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.104' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.670639][ T8444] kernel profiling enabled (shift: 1000000) [ 72.676684][ T8444] ================================================================================ [ 72.687218][ T8444] UBSAN: shift-out-of-bounds in kernel/profile.c:110:31 [ 72.696410][ T8444] shift exponent 1000000 is too large for 64-bit type 'long int' [ 72.704879][ T8444] CPU: 1 PID: 8444 Comm: syz-executor686 Not tainted 5.14.0-syzkaller #0 [ 72.715492][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.726316][ T8444] Call Trace: [ 72.729743][ T8444] dump_stack_lvl+0xcd/0x134 [ 72.734356][ T8444] ubsan_epilogue+0xb/0x5a [ 72.738785][ T8444] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.745649][ T8444] ? __thaw_task+0x90/0x90 [ 72.750087][ T8444] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.754940][ T8444] profile_init+0xfc/0x110 [ 72.759410][ T8444] profiling_store+0x5e/0xd0 [ 72.764696][ T8444] ? kexec_crash_loaded_show+0x30/0x30 [ 72.770385][ T8444] kobj_attr_store+0x50/0x80 [ 72.774999][ T8444] ? kobj_attr_show+0x70/0x70 [ 72.779685][ T8444] sysfs_kf_write+0x110/0x160 [ 72.784576][ T8444] kernfs_fop_write_iter+0x342/0x500 [ 72.790741][ T8444] new_sync_write+0x426/0x650 [ 72.796546][ T8444] ? new_sync_read+0x6e0/0x6e0 [ 72.801325][ T8444] ? lock_release+0x720/0x720 [ 72.806192][ T8444] ? apparmor_file_permission+0x264/0x4e0 [ 72.812054][ T8444] vfs_write+0x75a/0xa40 [ 72.816496][ T8444] ksys_write+0x12d/0x250 [ 72.820836][ T8444] ? __ia32_sys_read+0xb0/0xb0 [ 72.825596][ T8444] ? syscall_enter_from_user_mode_prepare+0x17/0x40 [ 72.832363][ T8444] __do_fast_syscall_32+0x65/0xf0 [ 72.838254][ T8444] do_fast_syscall_32+0x2f/0x70 [ 72.843110][ T8444] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 72.849930][ T8444] RIP: 0023:0xf7f1d549 [ 72.853999][ T8444] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 72.873621][ T8444] RSP: 002b:00000000ff82092c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 72.882300][ T8444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 72.890288][ T8444] RDX: 00000000ffffff82 RSI: 00000000ff820980 RDI: 00000000080e3000 [ 72.898249][ T8444] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.906322][ T8444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.914587][ T8444] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.923262][ T8444] ================================================================================ [ 72.932745][ T8444] Kernel panic - not syncing: panic_on_warn set ... [ 72.941826][ T8444] CPU: 1 PID: 8444 Comm: syz-executor686 Not tainted 5.14.0-syzkaller #0 [ 72.950958][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.961379][ T8444] Call Trace: [ 72.964671][ T8444] dump_stack_lvl+0xcd/0x134 [ 72.969536][ T8444] panic+0x306/0x73d [ 72.973431][ T8444] ? __warn_printk+0xf3/0xf3 [ 72.978028][ T8444] ? dump_stack_lvl+0x120/0x134 [ 72.982888][ T8444] ? ubsan_epilogue+0x3e/0x5a [ 72.987580][ T8444] ubsan_epilogue+0x54/0x5a [ 72.992108][ T8444] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.999093][ T8444] ? __thaw_task+0x90/0x90 [ 73.003535][ T8444] ? sysfs_file_ops+0x1c0/0x1c0 [ 73.008653][ T8444] profile_init+0xfc/0x110 [ 73.013162][ T8444] profiling_store+0x5e/0xd0 [ 73.017842][ T8444] ? kexec_crash_loaded_show+0x30/0x30 [ 73.023310][ T8444] kobj_attr_store+0x50/0x80 [ 73.028004][ T8444] ? kobj_attr_show+0x70/0x70 [ 73.032690][ T8444] sysfs_kf_write+0x110/0x160 [ 73.037394][ T8444] kernfs_fop_write_iter+0x342/0x500 [ 73.042705][ T8444] new_sync_write+0x426/0x650 [ 73.047394][ T8444] ? new_sync_read+0x6e0/0x6e0 [ 73.052192][ T8444] ? lock_release+0x720/0x720 [ 73.056868][ T8444] ? apparmor_file_permission+0x264/0x4e0 [ 73.062802][ T8444] vfs_write+0x75a/0xa40 [ 73.067136][ T8444] ksys_write+0x12d/0x250 [ 73.071485][ T8444] ? __ia32_sys_read+0xb0/0xb0 [ 73.076294][ T8444] ? syscall_enter_from_user_mode_prepare+0x17/0x40 [ 73.082899][ T8444] __do_fast_syscall_32+0x65/0xf0 [ 73.088306][ T8444] do_fast_syscall_32+0x2f/0x70 [ 73.093180][ T8444] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 73.099815][ T8444] RIP: 0023:0xf7f1d549 [ 73.103884][ T8444] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 73.123605][ T8444] RSP: 002b:00000000ff82092c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 73.132081][ T8444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 73.140231][ T8444] RDX: 00000000ffffff82 RSI: 00000000ff820980 RDI: 00000000080e3000 [ 73.148199][ T8444] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 73.156183][ T8444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 73.164147][ T8444] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.173794][ T8444] Kernel Offset: disabled [ 73.178521][ T8444] Rebooting in 86400 seconds..