Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.200157] FAULT_INJECTION: forcing a failure. [ 29.200157] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 29.212017] CPU: 0 PID: 7984 Comm: syz-executor992 Not tainted 4.14.264-syzkaller #0 [ 29.219884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.229216] Call Trace: [ 29.231787] dump_stack+0x1b2/0x281 [ 29.235395] should_fail.cold+0x10a/0x149 [ 29.239524] __alloc_pages_nodemask+0x22c/0x2720 [ 29.244268] ? register_lock_class+0x1d0/0x1180 [ 29.248932] ? lock_downgrade+0x710/0x740 [ 29.253075] ? trace_hardirqs_on+0x10/0x10 [ 29.257310] ? static_obj+0x50/0x50 [ 29.260925] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 29.265748] ? kernel_text_address+0xbd/0xf0 [ 29.270160] ? __change_page_attr_set_clr+0x316/0x2280 [ 29.275419] ? lock_acquire+0x170/0x3f0 [ 29.279369] ? lock_downgrade+0x740/0x740 [ 29.283496] alloc_pages_current+0x155/0x260 [ 29.287899] ? do_raw_spin_unlock+0x164/0x220 [ 29.292378] __change_page_attr_set_clr+0x322/0x2280 [ 29.297473] ? slow_virt_to_phys+0x300/0x300 [ 29.301858] ? mark_held_locks+0xa6/0xf0 [ 29.305899] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 29.310986] ? __change_page_attr_set_clr+0x1952/0x2280 [ 29.316330] ? lock_acquire+0x170/0x3f0 [ 29.320294] ? lock_downgrade+0x740/0x740 [ 29.324423] __change_page_attr_set_clr+0x1a45/0x2280 [ 29.329598] ? slow_virt_to_phys+0x300/0x300 [ 29.333988] ? __mutex_unlock_slowpath+0x75/0x770 [ 29.338809] ? wait_for_completion_io+0x10/0x10 [ 29.343457] ? vm_unmap_aliases+0x3a5/0x460 [ 29.347756] change_page_attr_set_clr+0x2a2/0xa30 [ 29.352679] ? __change_page_attr_set_clr+0x2280/0x2280 [ 29.358036] ? bpf_convert_filter+0x16e3/0x1b50 [ 29.362690] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 29.367789] set_memory_ro+0x68/0x80 [ 29.371481] ? _set_memory_wb+0x80/0x80 [ 29.375440] ? __bpf_prog_run64+0xb0/0xb0 [ 29.379565] bpf_prog_select_runtime+0x143/0x4e0 [ 29.384304] bpf_migrate_filter+0x242/0x2d0 [ 29.388608] ? __sk_attach_prog+0x360/0x360 [ 29.392908] ? seccomp_check_filter+0xba/0x170 [ 29.397470] ? hardlockup_detector_perf_cleanup+0x180/0x180 [ 29.403158] bpf_prepare_filter+0x14c/0x320 [ 29.407471] bpf_prog_create_from_user+0x1a7/0x290 [ 29.412723] ? hardlockup_detector_perf_cleanup+0x180/0x180 [ 29.418424] do_seccomp+0x31b/0x19c0 [ 29.422117] ? vfs_write+0x319/0x4d0 [ 29.425826] ? __seccomp_filter+0xd60/0xd60 [ 29.430124] ? SyS_write+0x14d/0x210 [ 29.433822] ? SyS_read+0x210/0x210 [ 29.437517] ? __do_page_fault+0x159/0xad0 [ 29.441729] ? do_syscall_64+0x4c/0x640 [ 29.445683] ? prctl_get_seccomp+0x50/0x50 [ 29.449930] do_syscall_64+0x1d5/0x640 [ 29.453818] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.459158] RIP: 0033:0x7f5cfb046669 [ 29.462843] RSP: 002b:00007ffe66af6ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000013d [ 29.470526] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5cfb046669 [ 29.477774] RDX: 0000000020000040 RSI: 0000000000000000 RDI: 0000000000000001 [ 29.485021] RBP: 00007ffe66af6ed0 R08: 0000000000000002 R09: 00007f5cfb003231 [ 29.492265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.499511] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.513948] ------------[ cut here ]------------ [ 29.518728] WARNING: CPU: 1 PID: 7984 at include/linux/filter.h:612 bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.528355] Kernel panic - not syncing: panic_on_warn set ... [ 29.528355] [ 29.535821] CPU: 1 PID: 7984 Comm: syz-executor992 Not tainted 4.14.264-syzkaller #0 [ 29.543768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.553103] Call Trace: [ 29.555688] dump_stack+0x1b2/0x281 [ 29.559294] panic+0x1f9/0x42d [ 29.562469] ? add_taint.cold+0x16/0x16 [ 29.566514] ? bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.571421] ? bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.576327] __warn.cold+0x20/0x44 [ 29.579844] ? ist_end_non_atomic+0x10/0x10 [ 29.584142] ? bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.589048] report_bug+0x208/0x250 [ 29.592654] do_error_trap+0x195/0x2d0 [ 29.596521] ? math_error+0x2d0/0x2d0 [ 29.600388] ? __change_page_attr_set_clr+0x2280/0x2280 [ 29.605767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.610606] invalid_op+0x1b/0x40 [ 29.614043] RIP: 0010:bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.619564] RSP: 0018:ffff8880925f7c88 EFLAGS: 00010297 [ 29.624921] RAX: ffff8880b3ad0240 RBX: ffffffff815ea910 RCX: 0000000000000000 [ 29.632172] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 29.639440] RBP: ffffc90001ab6000 R08: ffffffff8b9d24d0 R09: 0000000000000000 [ 29.646702] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b55de0c0 [ 29.654210] R13: ffffc90001ab6000 R14: ffff8880925f7d38 R15: ffffc90001ab6000 [ 29.661487] ? __bpf_prog_run64+0xb0/0xb0 [ 29.665617] ? bpf_prog_select_runtime+0x3f1/0x4e0 [ 29.670526] bpf_migrate_filter+0x242/0x2d0 [ 29.674832] ? __sk_attach_prog+0x360/0x360 [ 29.679134] ? seccomp_check_filter+0xba/0x170 [ 29.683690] ? hardlockup_detector_perf_cleanup+0x180/0x180 [ 29.689379] bpf_prepare_filter+0x14c/0x320 [ 29.693679] bpf_prog_create_from_user+0x1a7/0x290 [ 29.698582] ? hardlockup_detector_perf_cleanup+0x180/0x180 [ 29.704269] do_seccomp+0x31b/0x19c0 [ 29.707966] ? vfs_write+0x319/0x4d0 [ 29.711657] ? __seccomp_filter+0xd60/0xd60 [ 29.715969] ? SyS_write+0x14d/0x210 [ 29.719676] ? SyS_read+0x210/0x210 [ 29.723377] ? __do_page_fault+0x159/0xad0 [ 29.727621] ? do_syscall_64+0x4c/0x640 [ 29.731580] ? prctl_get_seccomp+0x50/0x50 [ 29.735800] do_syscall_64+0x1d5/0x640 [ 29.739677] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.744861] RIP: 0033:0x7f5cfb046669 [ 29.748550] RSP: 002b:00007ffe66af6ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000013d [ 29.756240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5cfb046669 [ 29.763494] RDX: 0000000020000040 RSI: 0000000000000000 RDI: 0000000000000001 [ 29.770755] RBP: 00007ffe66af6ed0 R08: 0000000000000002 R09: 00007f5cfb003231 [ 29.778009] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.785282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.792828] Kernel Offset: disabled [ 29.796480] Rebooting in 86400 seconds..