[ 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 '10.128.0.77' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.011959][ T8439] kernel profiling enabled (shift: 1000000) [ 72.018364][ T8439] ================================================================================ [ 72.028267][ T8439] UBSAN: shift-out-of-bounds in kernel/profile.c:110:31 [ 72.035220][ T8439] shift exponent 1000000 is too large for 64-bit type 'long int' [ 72.043092][ T8439] CPU: 0 PID: 8439 Comm: syz-executor799 Not tainted 5.14.0-syzkaller #0 [ 72.051520][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.061691][ T8439] Call Trace: [ 72.064990][ T8439] dump_stack_lvl+0xcd/0x134 [ 72.069592][ T8439] ubsan_epilogue+0xb/0x5a [ 72.074029][ T8439] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.080777][ T8439] ? __thaw_task+0x90/0x90 [ 72.085179][ T8439] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.090017][ T8439] profile_init+0xfc/0x110 [ 72.094417][ T8439] profiling_store+0x5e/0xd0 [ 72.098986][ T8439] ? kexec_crash_loaded_show+0x30/0x30 [ 72.104444][ T8439] kobj_attr_store+0x50/0x80 [ 72.109016][ T8439] ? kobj_attr_show+0x70/0x70 [ 72.113685][ T8439] sysfs_kf_write+0x110/0x160 [ 72.118348][ T8439] kernfs_fop_write_iter+0x342/0x500 [ 72.123620][ T8439] new_sync_write+0x426/0x650 [ 72.128293][ T8439] ? new_sync_read+0x6e0/0x6e0 [ 72.133056][ T8439] ? lock_release+0x720/0x720 [ 72.137714][ T8439] ? apparmor_file_permission+0x264/0x4e0 [ 72.143425][ T8439] vfs_write+0x75a/0xa40 [ 72.147656][ T8439] ksys_write+0x12d/0x250 [ 72.151973][ T8439] ? __ia32_sys_read+0xb0/0xb0 [ 72.156725][ T8439] ? syscall_enter_from_user_mode_prepare+0x17/0x40 [ 72.163307][ T8439] __do_fast_syscall_32+0x65/0xf0 [ 72.168320][ T8439] do_fast_syscall_32+0x2f/0x70 [ 72.173157][ T8439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 72.179471][ T8439] RIP: 0023:0xf7f19549 [ 72.183520][ T8439] 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 [ 72.203129][ T8439] RSP: 002b:00000000fff8177c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 72.211547][ T8439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 72.219506][ T8439] RDX: 00000000ffffff82 RSI: 00000000fff817d0 RDI: 00000000080e3000 [ 72.227468][ T8439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.235428][ T8439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.243392][ T8439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.251824][ T8439] ================================================================================ [ 72.261173][ T8439] Kernel panic - not syncing: panic_on_warn set ... [ 72.267770][ T8439] CPU: 0 PID: 8439 Comm: syz-executor799 Not tainted 5.14.0-syzkaller #0 [ 72.276196][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.286259][ T8439] Call Trace: [ 72.289530][ T8439] dump_stack_lvl+0xcd/0x134 [ 72.294146][ T8439] panic+0x306/0x73d [ 72.298037][ T8439] ? __warn_printk+0xf3/0xf3 [ 72.302641][ T8439] ? dump_stack_lvl+0x120/0x134 [ 72.307585][ T8439] ? ubsan_epilogue+0x3e/0x5a [ 72.312272][ T8439] ubsan_epilogue+0x54/0x5a [ 72.316779][ T8439] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.323558][ T8439] ? __thaw_task+0x90/0x90 [ 72.327981][ T8439] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.332839][ T8439] profile_init+0xfc/0x110 [ 72.337255][ T8439] profiling_store+0x5e/0xd0 [ 72.341840][ T8439] ? kexec_crash_loaded_show+0x30/0x30 [ 72.347299][ T8439] kobj_attr_store+0x50/0x80 [ 72.351889][ T8439] ? kobj_attr_show+0x70/0x70 [ 72.356575][ T8439] sysfs_kf_write+0x110/0x160 [ 72.361255][ T8439] kernfs_fop_write_iter+0x342/0x500 [ 72.366545][ T8439] new_sync_write+0x426/0x650 [ 72.371232][ T8439] ? new_sync_read+0x6e0/0x6e0 [ 72.376002][ T8439] ? lock_release+0x720/0x720 [ 72.380675][ T8439] ? apparmor_file_permission+0x264/0x4e0 [ 72.386441][ T8439] vfs_write+0x75a/0xa40 [ 72.390715][ T8439] ksys_write+0x12d/0x250 [ 72.395060][ T8439] ? __ia32_sys_read+0xb0/0xb0 [ 72.399843][ T8439] ? syscall_enter_from_user_mode_prepare+0x17/0x40 [ 72.406449][ T8439] __do_fast_syscall_32+0x65/0xf0 [ 72.411497][ T8439] do_fast_syscall_32+0x2f/0x70 [ 72.416363][ T8439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 72.422699][ T8439] RIP: 0023:0xf7f19549 [ 72.426767][ T8439] 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 [ 72.446372][ T8439] RSP: 002b:00000000fff8177c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 72.454782][ T8439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 72.462749][ T8439] RDX: 00000000ffffff82 RSI: 00000000fff817d0 RDI: 00000000080e3000 [ 72.470722][ T8439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.478686][ T8439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.486650][ T8439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.496120][ T8439] Kernel Offset: disabled [ 72.500616][ T8439] Rebooting in 86400 seconds..