[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 38.425484] audit: type=1800 audit(1555018824.665:33): pid=7383 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 62.764914] kauditd_printk_skb: 1 callbacks suppressed [ 62.764928] audit: type=1400 audit(1555018849.005:35): avc: denied { map } for pid=7557 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts. executing program executing program executing program [ 84.960042] audit: type=1400 audit(1555018871.205:36): avc: denied { map } for pid=7569 comm="syz-executor157" path="/root/syz-executor157405511" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 84.979252] FAULT_INJECTION: forcing a failure. [ 84.979252] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 84.993344] FAULT_INJECTION: forcing a failure. [ 84.993344] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 84.998393] CPU: 0 PID: 7577 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 84.998401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.998405] Call Trace: [ 84.998426] dump_stack+0x172/0x1f0 [ 84.998450] should_fail.cold+0xa/0x1b [ 85.036539] ? mark_held_locks+0x100/0x100 [ 85.040778] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.045875] ? mark_held_locks+0x100/0x100 [ 85.050120] __alloc_pages_nodemask+0x1ee/0x760 [ 85.054787] ? find_held_lock+0x35/0x130 [ 85.058848] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.063861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.069400] ? lock_downgrade+0x810/0x810 [ 85.073548] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.079090] alloc_pages_current+0x107/0x210 [ 85.083499] __get_free_pages+0xc/0x40 [ 85.087382] __tlb_remove_page_size+0x2ee/0x510 [ 85.092050] unmap_page_range+0xeee/0x1e70 [ 85.096299] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 85.100794] ? kasan_check_read+0x11/0x20 [ 85.104944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.110471] ? uprobe_munmap+0xad/0x2b0 [ 85.114431] unmap_single_vma+0x19d/0x300 [ 85.118560] unmap_vmas+0xae/0x180 [ 85.122084] exit_mmap+0x2c2/0x530 [ 85.125614] ? __ia32_sys_munmap+0x80/0x80 [ 85.129849] ? __khugepaged_exit+0x2da/0x400 [ 85.134254] ? rcu_read_lock_sched_held+0x110/0x130 [ 85.139255] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 85.144936] ? __khugepaged_exit+0xcf/0x400 [ 85.149277] mmput+0x15f/0x4c0 [ 85.152474] do_exit+0x838/0x2fa0 [ 85.155935] ? mm_update_next_owner+0x660/0x660 [ 85.160610] ? up_read+0x1a/0x110 [ 85.164064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.169605] ? __do_page_fault+0x484/0xe90 [ 85.173857] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.178621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.183377] do_group_exit+0x135/0x370 [ 85.187275] __x64_sys_exit_group+0x44/0x50 [ 85.191595] do_syscall_64+0x103/0x610 [ 85.195487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.200670] RIP: 0033:0x440068 [ 85.203858] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 85.222770] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 85.230479] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 85.237743] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 85.245005] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 85.252265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 85.259526] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 85.266813] CPU: 1 PID: 7576 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 85.267512] FAULT_INJECTION: forcing a failure. [ 85.267512] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.273774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.273779] Call Trace: [ 85.273801] dump_stack+0x172/0x1f0 [ 85.273822] should_fail.cold+0xa/0x1b [ 85.273844] ? mark_held_locks+0x100/0x100 [ 85.309228] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.314336] __alloc_pages_nodemask+0x1ee/0x760 [ 85.319003] ? find_held_lock+0x35/0x130 [ 85.323066] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.328088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.333728] ? lock_downgrade+0x810/0x810 [ 85.337886] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.343425] alloc_pages_current+0x107/0x210 [ 85.347832] __get_free_pages+0xc/0x40 [ 85.351713] __tlb_remove_page_size+0x2ee/0x510 [ 85.356380] unmap_page_range+0xeee/0x1e70 [ 85.360632] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 85.365123] ? kasan_check_read+0x11/0x20 [ 85.369266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.374800] ? uprobe_munmap+0xad/0x2b0 [ 85.378773] unmap_single_vma+0x19d/0x300 [ 85.382918] unmap_vmas+0xae/0x180 [ 85.386457] exit_mmap+0x2c2/0x530 [ 85.389990] ? __ia32_sys_munmap+0x80/0x80 [ 85.394231] ? __khugepaged_exit+0x2da/0x400 [ 85.398639] ? rcu_read_lock_sched_held+0x110/0x130 [ 85.403655] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 85.409190] ? __khugepaged_exit+0xcf/0x400 [ 85.413512] mmput+0x15f/0x4c0 [ 85.416700] do_exit+0x838/0x2fa0 [ 85.420160] ? mm_update_next_owner+0x660/0x660 [ 85.424825] ? up_read+0x1a/0x110 [ 85.428275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.433809] ? __do_page_fault+0x484/0xe90 [ 85.438043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.442796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.447545] do_group_exit+0x135/0x370 [ 85.451430] __x64_sys_exit_group+0x44/0x50 [ 85.455751] do_syscall_64+0x103/0x610 [ 85.459638] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.464820] RIP: 0033:0x440068 [ 85.468014] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 85.486908] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 85.494612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 85.501883] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 executing program [ 85.509146] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 85.516407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 85.523671] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 85.530957] CPU: 0 PID: 7578 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 85.537899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.539438] FAULT_INJECTION: forcing a failure. [ 85.539438] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.547251] Call Trace: [ 85.547273] dump_stack+0x172/0x1f0 [ 85.547296] should_fail.cold+0xa/0x1b [ 85.547311] ? mark_held_locks+0x100/0x100 [ 85.547327] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.547348] __alloc_pages_nodemask+0x1ee/0x760 [ 85.547361] ? find_held_lock+0x35/0x130 [ 85.547375] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.547392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.547409] ? lock_downgrade+0x810/0x810 [ 85.547429] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.607418] alloc_pages_current+0x107/0x210 [ 85.611831] __get_free_pages+0xc/0x40 [ 85.615718] __tlb_remove_page_size+0x2ee/0x510 [ 85.620387] unmap_page_range+0xeee/0x1e70 [ 85.624638] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 85.629134] ? kasan_check_read+0x11/0x20 [ 85.633283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.638814] ? uprobe_munmap+0xad/0x2b0 [ 85.642784] unmap_single_vma+0x19d/0x300 [ 85.646929] unmap_vmas+0xae/0x180 [ 85.650471] exit_mmap+0x2c2/0x530 [ 85.654009] ? __ia32_sys_munmap+0x80/0x80 [ 85.658253] ? __khugepaged_exit+0x2da/0x400 [ 85.662657] ? rcu_read_lock_sched_held+0x110/0x130 [ 85.667678] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 85.673215] ? __khugepaged_exit+0xcf/0x400 [ 85.677534] mmput+0x15f/0x4c0 [ 85.680727] do_exit+0x838/0x2fa0 [ 85.684186] ? mm_update_next_owner+0x660/0x660 [ 85.688849] ? up_read+0x1a/0x110 [ 85.692307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.697841] ? __do_page_fault+0x484/0xe90 [ 85.702084] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.706835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.711593] do_group_exit+0x135/0x370 [ 85.715478] __x64_sys_exit_group+0x44/0x50 [ 85.719793] do_syscall_64+0x103/0x610 [ 85.723680] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.728871] RIP: 0033:0x440068 [ 85.732063] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 85.750960] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program executing program [ 85.758668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 85.765930] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 85.773196] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 85.780458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 85.787718] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 85.795001] CPU: 1 PID: 7581 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 85.801938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.809414] FAULT_INJECTION: forcing a failure. [ 85.809414] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.811296] Call Trace: [ 85.811318] dump_stack+0x172/0x1f0 [ 85.811344] should_fail.cold+0xa/0x1b [ 85.833183] ? mark_held_locks+0x100/0x100 [ 85.837417] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.842522] __alloc_pages_nodemask+0x1ee/0x760 [ 85.847186] ? find_held_lock+0x35/0x130 [ 85.851243] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.856255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.861793] ? lock_downgrade+0x810/0x810 [ 85.865939] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.871474] alloc_pages_current+0x107/0x210 [ 85.875885] __get_free_pages+0xc/0x40 [ 85.879769] __tlb_remove_page_size+0x2ee/0x510 [ 85.884436] unmap_page_range+0xeee/0x1e70 [ 85.888687] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 85.893180] ? kasan_check_read+0x11/0x20 [ 85.897325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.902864] ? uprobe_munmap+0xad/0x2b0 [ 85.906846] unmap_single_vma+0x19d/0x300 [ 85.911081] unmap_vmas+0xae/0x180 [ 85.922874] exit_mmap+0x2c2/0x530 [ 85.926413] ? __ia32_sys_munmap+0x80/0x80 [ 85.930659] ? __khugepaged_exit+0x2da/0x400 [ 85.935066] ? rcu_read_lock_sched_held+0x110/0x130 [ 85.940079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 85.945611] ? __khugepaged_exit+0xcf/0x400 [ 85.949928] mmput+0x15f/0x4c0 [ 85.953116] do_exit+0x838/0x2fa0 [ 85.956575] ? mm_update_next_owner+0x660/0x660 [ 85.961240] ? up_read+0x1a/0x110 [ 85.964688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.970223] ? __do_page_fault+0x484/0xe90 [ 85.974459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.979213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.983963] do_group_exit+0x135/0x370 [ 85.987854] __x64_sys_exit_group+0x44/0x50 [ 85.992261] do_syscall_64+0x103/0x610 [ 85.996146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.001332] RIP: 0033:0x440068 [ 86.004524] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 86.023418] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 86.031120] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 86.038385] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 86.045649] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 86.052912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 86.060174] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 executing program [ 86.067457] CPU: 0 PID: 7580 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 86.074402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.078111] FAULT_INJECTION: forcing a failure. [ 86.078111] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.083768] Call Trace: [ 86.083790] dump_stack+0x172/0x1f0 [ 86.083812] should_fail.cold+0xa/0x1b [ 86.083835] ? mark_held_locks+0x100/0x100 [ 86.083856] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.116276] __alloc_pages_nodemask+0x1ee/0x760 [ 86.120935] ? find_held_lock+0x35/0x130 [ 86.124987] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.129990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.135650] ? lock_downgrade+0x810/0x810 [ 86.139808] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.145363] alloc_pages_current+0x107/0x210 [ 86.149792] __get_free_pages+0xc/0x40 [ 86.153685] __tlb_remove_page_size+0x2ee/0x510 [ 86.158356] unmap_page_range+0xeee/0x1e70 [ 86.162606] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 86.167098] ? kasan_check_read+0x11/0x20 [ 86.171253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.176794] ? uprobe_munmap+0xad/0x2b0 [ 86.180783] unmap_single_vma+0x19d/0x300 [ 86.184932] unmap_vmas+0xae/0x180 [ 86.188475] exit_mmap+0x2c2/0x530 [ 86.192012] ? __ia32_sys_munmap+0x80/0x80 [ 86.196268] ? __khugepaged_exit+0x2da/0x400 [ 86.200676] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.205690] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 86.211220] ? __khugepaged_exit+0xcf/0x400 [ 86.215538] mmput+0x15f/0x4c0 [ 86.218730] do_exit+0x838/0x2fa0 [ 86.222192] ? mm_update_next_owner+0x660/0x660 [ 86.226858] ? up_read+0x1a/0x110 [ 86.230308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.235844] ? __do_page_fault+0x484/0xe90 [ 86.240080] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.244836] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.249603] do_group_exit+0x135/0x370 [ 86.253505] __x64_sys_exit_group+0x44/0x50 [ 86.257827] do_syscall_64+0x103/0x610 [ 86.261713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.266899] RIP: 0033:0x440068 [ 86.270091] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 86.288984] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 86.296692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 86.303956] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 86.311218] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 86.318478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 86.325741] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 86.333030] CPU: 1 PID: 7582 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 86.335759] FAULT_INJECTION: forcing a failure. [ 86.335759] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.339988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.339994] Call Trace: [ 86.340015] dump_stack+0x172/0x1f0 [ 86.340036] should_fail.cold+0xa/0x1b [ 86.340052] ? mark_held_locks+0x100/0x100 [ 86.340072] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.380543] __alloc_pages_nodemask+0x1ee/0x760 [ 86.385207] ? find_held_lock+0x35/0x130 [ 86.389269] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.394279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.399825] ? lock_downgrade+0x810/0x810 [ 86.403971] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.409509] alloc_pages_current+0x107/0x210 [ 86.413920] __get_free_pages+0xc/0x40 [ 86.417815] __tlb_remove_page_size+0x2ee/0x510 [ 86.422485] unmap_page_range+0xeee/0x1e70 [ 86.426734] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 86.431221] ? kasan_check_read+0x11/0x20 [ 86.435369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.440903] ? uprobe_munmap+0xad/0x2b0 [ 86.444879] unmap_single_vma+0x19d/0x300 [ 86.449034] unmap_vmas+0xae/0x180 [ 86.452579] exit_mmap+0x2c2/0x530 [ 86.456116] ? __ia32_sys_munmap+0x80/0x80 [ 86.460366] ? __khugepaged_exit+0x2da/0x400 [ 86.464774] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.469799] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 86.475339] ? __khugepaged_exit+0xcf/0x400 [ 86.479673] mmput+0x15f/0x4c0 [ 86.482865] do_exit+0x838/0x2fa0 [ 86.486318] ? mm_update_next_owner+0x660/0x660 [ 86.490984] ? up_read+0x1a/0x110 [ 86.494441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.499986] ? __do_page_fault+0x484/0xe90 [ 86.504226] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.508990] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.513744] do_group_exit+0x135/0x370 [ 86.517631] __x64_sys_exit_group+0x44/0x50 [ 86.521955] do_syscall_64+0x103/0x610 [ 86.525843] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.531031] RIP: 0033:0x440068 [ 86.534219] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 86.553121] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 86.560921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 executing program [ 86.568189] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 86.575450] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 86.582712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 86.589973] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 86.597285] CPU: 0 PID: 7579 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 86.604245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.610860] FAULT_INJECTION: forcing a failure. [ 86.610860] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.613596] Call Trace: [ 86.613618] dump_stack+0x172/0x1f0 [ 86.613640] should_fail.cold+0xa/0x1b [ 86.613663] ? mark_held_locks+0x100/0x100 [ 86.639694] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.644903] __alloc_pages_nodemask+0x1ee/0x760 [ 86.649587] ? find_held_lock+0x35/0x130 [ 86.653644] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.658659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.664199] ? lock_downgrade+0x810/0x810 [ 86.668346] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.673881] alloc_pages_current+0x107/0x210 [ 86.678293] __get_free_pages+0xc/0x40 [ 86.682177] __tlb_remove_page_size+0x2ee/0x510 [ 86.686843] unmap_page_range+0xeee/0x1e70 [ 86.691093] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 86.695582] ? kasan_check_read+0x11/0x20 [ 86.699728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.705262] ? uprobe_munmap+0xad/0x2b0 [ 86.709238] unmap_single_vma+0x19d/0x300 [ 86.713384] unmap_vmas+0xae/0x180 [ 86.716929] exit_mmap+0x2c2/0x530 [ 86.720467] ? __ia32_sys_munmap+0x80/0x80 [ 86.724713] ? __khugepaged_exit+0x2da/0x400 [ 86.729123] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.734141] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 86.739672] ? __khugepaged_exit+0xcf/0x400 [ 86.743992] mmput+0x15f/0x4c0 [ 86.747182] do_exit+0x838/0x2fa0 [ 86.750636] ? mm_update_next_owner+0x660/0x660 [ 86.755305] ? up_read+0x1a/0x110 [ 86.758754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.764293] ? __do_page_fault+0x484/0xe90 [ 86.768533] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.773288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.778040] do_group_exit+0x135/0x370 [ 86.781921] __x64_sys_exit_group+0x44/0x50 [ 86.786237] do_syscall_64+0x103/0x610 [ 86.790124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.795310] RIP: 0033:0x440068 [ 86.798497] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 86.817390] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program [ 86.825100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 86.832362] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 86.839626] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 86.846885] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 86.854151] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 86.861436] CPU: 1 PID: 7583 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 86.868374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.875369] FAULT_INJECTION: forcing a failure. [ 86.875369] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.877725] Call Trace: [ 86.877747] dump_stack+0x172/0x1f0 [ 86.877767] should_fail.cold+0xa/0x1b [ 86.877789] ? mark_held_locks+0x100/0x100 [ 86.877809] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.909324] __alloc_pages_nodemask+0x1ee/0x760 [ 86.913989] ? find_held_lock+0x35/0x130 [ 86.918051] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.923063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.928599] ? lock_downgrade+0x810/0x810 [ 86.932744] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.938286] alloc_pages_current+0x107/0x210 [ 86.942701] __get_free_pages+0xc/0x40 [ 86.946604] __tlb_remove_page_size+0x2ee/0x510 [ 86.951272] unmap_page_range+0xeee/0x1e70 [ 86.955510] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 86.960013] ? kasan_check_read+0x11/0x20 [ 86.964174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.969719] ? uprobe_munmap+0xad/0x2b0 [ 86.973699] unmap_single_vma+0x19d/0x300 [ 86.977856] unmap_vmas+0xae/0x180 [ 86.981404] exit_mmap+0x2c2/0x530 [ 86.984944] ? __ia32_sys_munmap+0x80/0x80 [ 86.989188] ? __khugepaged_exit+0x2da/0x400 [ 86.993599] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.998621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 87.004155] ? __khugepaged_exit+0xcf/0x400 [ 87.008480] mmput+0x15f/0x4c0 [ 87.011671] do_exit+0x838/0x2fa0 [ 87.015127] ? mm_update_next_owner+0x660/0x660 [ 87.019805] ? up_read+0x1a/0x110 [ 87.023254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.028795] ? __do_page_fault+0x484/0xe90 [ 87.033035] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.037791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.042544] do_group_exit+0x135/0x370 [ 87.046430] __x64_sys_exit_group+0x44/0x50 [ 87.050751] do_syscall_64+0x103/0x610 [ 87.054645] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.059853] RIP: 0033:0x440068 [ 87.063045] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 87.082071] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.089784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 87.097044] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 87.104306] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 87.111579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 87.118845] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 executing program [ 87.126129] CPU: 0 PID: 7585 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 87.133156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.135324] FAULT_INJECTION: forcing a failure. [ 87.135324] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.142513] Call Trace: [ 87.142536] dump_stack+0x172/0x1f0 [ 87.142557] should_fail.cold+0xa/0x1b [ 87.142572] ? mark_held_locks+0x100/0x100 [ 87.142585] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.142606] __alloc_pages_nodemask+0x1ee/0x760 [ 87.142618] ? find_held_lock+0x35/0x130 [ 87.142638] ? __alloc_pages_slowpath+0x2870/0x2870 [ 87.187533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.193069] ? lock_downgrade+0x810/0x810 [ 87.197216] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.202756] alloc_pages_current+0x107/0x210 [ 87.207173] __get_free_pages+0xc/0x40 [ 87.211056] __tlb_remove_page_size+0x2ee/0x510 [ 87.215720] unmap_page_range+0xeee/0x1e70 [ 87.219996] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 87.224485] ? kasan_check_read+0x11/0x20 [ 87.228629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.234159] ? uprobe_munmap+0xad/0x2b0 [ 87.238131] unmap_single_vma+0x19d/0x300 [ 87.242286] unmap_vmas+0xae/0x180 [ 87.245824] exit_mmap+0x2c2/0x530 [ 87.249361] ? __ia32_sys_munmap+0x80/0x80 [ 87.253606] ? __khugepaged_exit+0x2da/0x400 [ 87.258013] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.263032] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 87.268566] ? __khugepaged_exit+0xcf/0x400 [ 87.272892] mmput+0x15f/0x4c0 [ 87.276079] do_exit+0x838/0x2fa0 [ 87.279537] ? mm_update_next_owner+0x660/0x660 [ 87.284201] ? up_read+0x1a/0x110 [ 87.287651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.293190] ? __do_page_fault+0x484/0xe90 [ 87.297428] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.302183] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.306939] do_group_exit+0x135/0x370 [ 87.310823] __x64_sys_exit_group+0x44/0x50 [ 87.315143] do_syscall_64+0x103/0x610 [ 87.319153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.324337] RIP: 0033:0x440068 [ 87.327528] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 87.346516] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.354334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 87.361739] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 87.369035] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 executing program executing program executing program [ 87.376304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 87.383572] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 87.390865] CPU: 1 PID: 7584 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 87.397815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.404962] FAULT_INJECTION: forcing a failure. [ 87.404962] name failslab, interval 1, probability 0, space 0, times 1 [ 87.407183] Call Trace: [ 87.407199] dump_stack+0x172/0x1f0 [ 87.407212] should_fail.cold+0xa/0x1b [ 87.407224] ? mark_held_locks+0x100/0x100 [ 87.407237] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.407253] __alloc_pages_nodemask+0x1ee/0x760 [ 87.407264] ? find_held_lock+0x35/0x130 [ 87.407276] ? __alloc_pages_slowpath+0x2870/0x2870 [ 87.407292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.407313] ? lock_downgrade+0x810/0x810 [ 87.407327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.407343] alloc_pages_current+0x107/0x210 [ 87.407360] __get_free_pages+0xc/0x40 [ 87.407372] __tlb_remove_page_size+0x2ee/0x510 [ 87.407382] unmap_page_range+0xeee/0x1e70 [ 87.407402] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 87.407412] ? kasan_check_read+0x11/0x20 [ 87.407429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.407445] ? uprobe_munmap+0xad/0x2b0 [ 87.407457] unmap_single_vma+0x19d/0x300 [ 87.407470] unmap_vmas+0xae/0x180 [ 87.407485] exit_mmap+0x2c2/0x530 [ 87.407497] ? __ia32_sys_munmap+0x80/0x80 [ 87.407516] ? __khugepaged_exit+0x2da/0x400 [ 87.407530] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.407548] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 87.407558] ? __khugepaged_exit+0xcf/0x400 [ 87.407573] mmput+0x15f/0x4c0 [ 87.407586] do_exit+0x838/0x2fa0 [ 87.407601] ? mm_update_next_owner+0x660/0x660 [ 87.407612] ? up_read+0x1a/0x110 [ 87.407624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.407638] ? __do_page_fault+0x484/0xe90 [ 87.407652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.407664] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.407680] do_group_exit+0x135/0x370 [ 87.407692] __x64_sys_exit_group+0x44/0x50 [ 87.407704] do_syscall_64+0x103/0x610 [ 87.407717] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.407726] RIP: 0033:0x440068 [ 87.407740] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 87.407753] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.407766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 87.407772] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 87.407779] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 87.407786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 87.407793] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 87.426098] FAULT_INJECTION: forcing a failure. [ 87.426098] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.429797] CPU: 0 PID: 7587 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 87.429803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.429807] Call Trace: [ 87.429825] dump_stack+0x172/0x1f0 [ 87.429839] should_fail.cold+0xa/0x1b [ 87.429857] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.698228] __should_failslab+0x121/0x190 [ 87.702458] should_failslab+0x9/0x14 [ 87.706248] __kmalloc+0x71/0x750 [ 87.709696] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 87.714792] __tty_buffer_request_room+0x1fb/0x5c0 [ 87.719722] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 87.725259] ? do_raw_spin_lock+0xc8/0x240 [ 87.729491] pty_write+0x133/0x200 [ 87.733029] tty_put_char+0x137/0x160 [ 87.736822] ? dev_match_devt+0x90/0x90 [ 87.740791] ? tty_buffer_space_avail+0x5c/0xb0 [ 87.745455] ? pty_write_room+0xc8/0xf0 [ 87.749455] ? pty_stop+0x1b0/0x1b0 [ 87.753090] __process_echoes+0x5c8/0xa40 [ 87.757236] n_tty_receive_buf_common+0xbd6/0x2900 [ 87.762172] ? n_tty_receive_buf2+0x40/0x40 [ 87.766487] n_tty_receive_buf+0x31/0x40 [ 87.770559] tty_ioctl+0xeb1/0x1530 [ 87.774181] ? tty_vhangup+0x30/0x30 [ 87.777887] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.782374] ? proc_cwd_link+0x1d0/0x1d0 [ 87.786432] ? ___might_sleep+0x163/0x280 [ 87.790662] ? __might_sleep+0x95/0x190 [ 87.794632] ? tty_vhangup+0x30/0x30 [ 87.798347] do_vfs_ioctl+0xd6e/0x1390 [ 87.802230] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.806721] ? selinux_file_ioctl+0x125/0x5e0 [ 87.811220] ? ioctl_preallocate+0x210/0x210 [ 87.815618] ? selinux_file_mprotect+0x620/0x620 [ 87.820390] ? __sb_end_write+0xbb/0x110 [ 87.824444] ? vfs_write+0x160/0x560 [ 87.828160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.833693] ? security_file_ioctl+0x93/0xc0 [ 87.838105] ksys_ioctl+0xab/0xd0 [ 87.841554] __x64_sys_ioctl+0x73/0xb0 [ 87.845437] do_syscall_64+0x103/0x610 [ 87.850866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.856049] RIP: 0033:0x441419 [ 87.859233] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.878128] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.885833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 87.893093] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 87.900355] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 87.907618] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.914891] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 87.922171] CPU: 1 PID: 7588 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 87.922174] [ 87.922182] ====================================================== [ 87.922186] WARNING: possible circular locking dependency detected [ 87.922189] 4.19.34 #2 Not tainted [ 87.922192] ------------------------------------------------------ [ 87.922196] syz-executor157/7587 is trying to acquire lock: [ 87.922199] 00000000a9fa66c1 (console_owner){-...}, at: vprintk_emit+0x348/0x690 [ 87.922211] [ 87.922215] but task is already holding lock: [ 87.922217] 000000002394c496 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 [ 87.922230] [ 87.922234] which lock already depends on the new lock. [ 87.922236] [ 87.922238] [ 87.922242] the existing dependency chain (in reverse order) is: [ 87.922244] [ 87.922246] -> #2 (&(&port->lock)->rlock){-.-.}: [ 87.922259] _raw_spin_lock_irqsave+0x95/0xcd [ 87.922263] tty_port_tty_get+0x22/0x80 [ 87.922267] tty_port_default_wakeup+0x16/0x40 [ 87.922270] tty_port_tty_wakeup+0x5d/0x70 [ 87.922274] uart_write_wakeup+0x46/0x70 [ 87.922277] serial8250_tx_chars+0x4a4/0xb20 [ 87.922281] serial8250_handle_irq.part.0+0x1e2/0x270 [ 87.922286] serial8250_default_handle_irq+0xc5/0x150 [ 87.922289] serial8250_interrupt+0x102/0x1e0 [ 87.922293] __handle_irq_event_percpu+0x146/0x900 [ 87.922297] handle_irq_event_percpu+0x74/0x160 [ 87.922301] handle_irq_event+0xa7/0x134 [ 87.922304] handle_edge_irq+0x264/0x8e0 [ 87.922307] handle_irq+0x252/0x3d8 [ 87.922310] do_IRQ+0x99/0x1d0 [ 87.922313] ret_from_intr+0x0/0x1e [ 87.922317] _raw_spin_unlock_irqrestore+0x95/0xe0 [ 87.922320] uart_write+0x3a9/0x6f0 [ 87.922324] n_tty_write+0x3ff/0x1100 [ 87.922327] tty_write+0x45b/0x7a0 [ 87.922330] redirected_tty_write+0xb2/0xc0 [ 87.922334] __vfs_write+0x116/0x820 [ 87.922338] vfs_write+0x20c/0x560 [ 87.922341] ksys_write+0xea/0x1f0 [ 87.922344] __x64_sys_write+0x73/0xb0 [ 87.922348] do_syscall_64+0x103/0x610 [ 87.922352] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.922354] [ 87.922355] -> #1 (&port_lock_key){-.-.}: [ 87.922368] _raw_spin_lock_irqsave+0x95/0xcd [ 87.922372] serial8250_console_write+0x7ed/0xa10 [ 87.922376] univ8250_console_write+0x5f/0x70 [ 87.922379] console_unlock+0xbbe/0x1080 [ 87.922383] vprintk_emit+0x238/0x690 [ 87.922386] vprintk_default+0x28/0x30 [ 87.922389] vprintk_func+0x7e/0x189 [ 87.922392] printk+0xba/0xed [ 87.922396] register_console+0x787/0xb90 [ 87.922400] univ8250_console_init+0x3e/0x4b [ 87.922403] console_init+0x4f7/0x761 [ 87.922406] start_kernel+0x59f/0x8c8 [ 87.922410] x86_64_start_reservations+0x29/0x2b [ 87.922414] x86_64_start_kernel+0x77/0x7b [ 87.922418] secondary_startup_64+0xa4/0xb0 [ 87.922419] [ 87.922421] -> #0 (console_owner){-...}: [ 87.922434] lock_acquire+0x16f/0x3f0 [ 87.922437] vprintk_emit+0x385/0x690 [ 87.922441] vprintk_default+0x28/0x30 [ 87.922444] vprintk_func+0x7e/0x189 [ 87.922447] printk+0xba/0xed [ 87.922451] should_fail+0x6f1/0x85c [ 87.922454] __should_failslab+0x121/0x190 [ 87.922457] should_failslab+0x9/0x14 [ 87.922460] __kmalloc+0x71/0x750 [ 87.922464] __tty_buffer_request_room+0x1fb/0x5c0 [ 87.922469] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 87.922472] pty_write+0x133/0x200 [ 87.922476] tty_put_char+0x137/0x160 [ 87.922479] __process_echoes+0x5c8/0xa40 [ 87.922483] n_tty_receive_buf_common+0xbd6/0x2900 [ 87.922487] n_tty_receive_buf+0x31/0x40 [ 87.922490] tty_ioctl+0xeb1/0x1530 [ 87.922493] do_vfs_ioctl+0xd6e/0x1390 [ 87.922497] ksys_ioctl+0xab/0xd0 [ 87.922500] __x64_sys_ioctl+0x73/0xb0 [ 87.922503] do_syscall_64+0x103/0x610 [ 87.922508] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.922509] [ 87.922513] other info that might help us debug this: [ 87.922515] [ 87.922518] Chain exists of: [ 87.922520] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 87.922536] [ 87.922540] Possible unsafe locking scenario: [ 87.922542] [ 87.922545] CPU0 CPU1 [ 87.922549] ---- ---- [ 87.922551] lock(&(&port->lock)->rlock); [ 87.922559] lock(&port_lock_key); [ 87.922568] lock(&(&port->lock)->rlock); [ 87.922575] lock(console_owner); [ 87.922581] [ 87.922584] *** DEADLOCK *** [ 87.922586] [ 87.922590] 4 locks held by syz-executor157/7587: [ 87.922592] #0: 000000008b9fa4f5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 87.922607] #1: 00000000a1f57881 (&o_tty->termios_rwsem/1){++++}, at: n_tty_receive_buf_common+0x89/0x2900 [ 87.922624] #2: 00000000f4ef20cd (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0xb99/0x2900 [ 87.922640] #3: 000000002394c496 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 [ 87.922655] [ 87.922657] stack backtrace: [ 87.922662] CPU: 0 PID: 7587 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 87.922669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.922671] Call Trace: [ 87.922675] dump_stack+0x172/0x1f0 [ 87.922679] print_circular_bug.isra.0.cold+0x1cc/0x28f [ 87.922682] __lock_acquire+0x2e6d/0x48f0 [ 87.922686] ? mark_held_locks+0x100/0x100 [ 87.922689] ? vprintk_emit+0x360/0x690 [ 87.922693] ? vprintk_emit+0x360/0x690 [ 87.922696] ? kasan_check_read+0x11/0x20 [ 87.922700] lock_acquire+0x16f/0x3f0 [ 87.922703] ? vprintk_emit+0x348/0x690 [ 87.922707] vprintk_emit+0x385/0x690 [ 87.922710] ? vprintk_emit+0x348/0x690 [ 87.922714] vprintk_default+0x28/0x30 [ 87.922724] vprintk_func+0x7e/0x189 [ 87.922727] printk+0xba/0xed [ 87.922731] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 87.922735] ? check_noncircular+0x20/0x20 [ 87.922738] ? lockdep_on+0x50/0x50 [ 87.922742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.922745] ? ___ratelimit+0x60/0x595 [ 87.922749] should_fail+0x6f1/0x85c [ 87.922753] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.922756] __should_failslab+0x121/0x190 [ 87.922760] should_failslab+0x9/0x14 [ 87.922763] __kmalloc+0x71/0x750 [ 87.922767] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 87.922771] __tty_buffer_request_room+0x1fb/0x5c0 [ 87.922775] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 87.922778] ? do_raw_spin_lock+0xc8/0x240 [ 87.922781] pty_write+0x133/0x200 [ 87.922785] tty_put_char+0x137/0x160 [ 87.922788] ? dev_match_devt+0x90/0x90 [ 87.922792] ? tty_buffer_space_avail+0x5c/0xb0 [ 87.922795] ? pty_write_room+0xc8/0xf0 [ 87.922798] ? pty_stop+0x1b0/0x1b0 [ 87.922802] __process_echoes+0x5c8/0xa40 [ 87.922806] n_tty_receive_buf_common+0xbd6/0x2900 [ 87.922809] ? n_tty_receive_buf2+0x40/0x40 [ 87.922813] n_tty_receive_buf+0x31/0x40 [ 87.922816] tty_ioctl+0xeb1/0x1530 [ 87.922820] ? tty_vhangup+0x30/0x30 [ 87.922823] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.922827] ? proc_cwd_link+0x1d0/0x1d0 [ 87.922830] ? ___might_sleep+0x163/0x280 [ 87.922834] ? __might_sleep+0x95/0x190 [ 87.922837] ? tty_vhangup+0x30/0x30 [ 87.922841] do_vfs_ioctl+0xd6e/0x1390 [ 87.922844] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.922848] ? selinux_file_ioctl+0x125/0x5e0 [ 87.922851] ? ioctl_preallocate+0x210/0x210 [ 87.922855] ? selinux_file_mprotect+0x620/0x620 [ 87.922859] ? __sb_end_write+0xbb/0x110 [ 87.922862] ? vfs_write+0x160/0x560 [ 87.922866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.922870] ? security_file_ioctl+0x93/0xc0 [ 87.922873] ksys_ioctl+0xab/0xd0 [ 87.922877] __x64_sys_ioctl+0x73/0xb0 [ 87.922880] do_syscall_64+0x103/0x610 [ 87.922884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.922887] RIP: 0033:0x441419 [ 87.922899] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.922903] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.922912] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 87.922917] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 87.922922] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 87.922927] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.922932] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 87.926382] FAULT_INJECTION: forcing a failure. [ 87.926382] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.929103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.929107] Call Trace: [ 87.929123] dump_stack+0x172/0x1f0 [ 87.929139] should_fail.cold+0xa/0x1b [ 87.929153] ? mark_held_locks+0x100/0x100 [ 87.929166] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.929182] __alloc_pages_nodemask+0x1ee/0x760 [ 87.929195] ? __alloc_pages_slowpath+0x2870/0x2870 [ 87.929210] ? lock_downgrade+0x810/0x810 [ 87.929225] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.929242] alloc_pages_current+0x107/0x210 [ 88.808757] __get_free_pages+0xc/0x40 [ 88.812637] __tlb_remove_page_size+0x2ee/0x510 [ 88.817311] unmap_page_range+0xeee/0x1e70 [ 88.821547] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 88.826037] ? kasan_check_read+0x11/0x20 [ 88.830182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.835716] ? uprobe_munmap+0xad/0x2b0 [ 88.839688] unmap_single_vma+0x19d/0x300 [ 88.843833] unmap_vmas+0xae/0x180 [ 88.847371] exit_mmap+0x2c2/0x530 [ 88.850905] ? __ia32_sys_munmap+0x80/0x80 [ 88.855142] ? quarantine_put+0x11d/0x1c0 [ 88.859288] ? __khugepaged_exit+0x2da/0x400 [ 88.863695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 88.869226] ? __khugepaged_exit+0xcf/0x400 [ 88.873541] mmput+0x15f/0x4c0 [ 88.876725] do_exit+0x838/0x2fa0 [ 88.880177] ? mm_update_next_owner+0x660/0x660 [ 88.884840] ? up_read+0x1a/0x110 [ 88.888287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.893821] ? __do_page_fault+0x484/0xe90 [ 88.898056] do_group_exit+0x135/0x370 [ 88.901937] __x64_sys_exit_group+0x44/0x50 [ 88.906254] do_syscall_64+0x103/0x610 [ 88.910140] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.915322] RIP: 0033:0x440068 [ 88.918528] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 88.939769] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 88.947473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 88.954737] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 88.962002] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 88.969263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.976526] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 88.983807] CPU: 0 PID: 7586 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 88.990740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.997477] FAULT_INJECTION: forcing a failure. [ 88.997477] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.000098] Call Trace: [ 89.000116] dump_stack+0x172/0x1f0 [ 89.000130] should_fail.cold+0xa/0x1b [ 89.000152] ? mark_held_locks+0x100/0x100 [ 89.027613] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.032724] __alloc_pages_nodemask+0x1ee/0x760 [ 89.037393] ? __alloc_pages_slowpath+0x2870/0x2870 [ 89.042408] ? lock_downgrade+0x810/0x810 [ 89.046552] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.052091] alloc_pages_current+0x107/0x210 [ 89.056600] __get_free_pages+0xc/0x40 [ 89.060492] __tlb_remove_page_size+0x2ee/0x510 [ 89.065159] unmap_page_range+0xeee/0x1e70 [ 89.069398] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 89.073893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.079356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.084889] ? uprobe_munmap+0xad/0x2b0 [ 89.088856] ? filemap_map_pages+0x8f8/0x1130 [ 89.093349] unmap_single_vma+0x19d/0x300 [ 89.097491] unmap_vmas+0xae/0x180 [ 89.101030] exit_mmap+0x2c2/0x530 [ 89.104567] ? __ia32_sys_munmap+0x80/0x80 [ 89.108808] ? quarantine_put+0x11d/0x1c0 [ 89.112955] ? __khugepaged_exit+0x2da/0x400 [ 89.117361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.122965] ? __khugepaged_exit+0xcf/0x400 [ 89.127282] mmput+0x15f/0x4c0 [ 89.130469] do_exit+0x838/0x2fa0 [ 89.133920] ? mm_update_next_owner+0x660/0x660 [ 89.138609] ? up_read+0x1a/0x110 [ 89.142147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.147681] ? __do_page_fault+0x484/0xe90 [ 89.151917] do_group_exit+0x135/0x370 [ 89.155805] __x64_sys_exit_group+0x44/0x50 [ 89.160123] do_syscall_64+0x103/0x610 [ 89.164008] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.169191] RIP: 0033:0x440068 executing program [ 89.172382] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 89.191276] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.198979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 89.206242] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 89.213511] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 89.220774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 89.228040] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 89.235325] CPU: 1 PID: 7589 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 89.239088] FAULT_INJECTION: forcing a failure. [ 89.239088] name failslab, interval 1, probability 0, space 0, times 0 [ 89.242263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.262767] Call Trace: [ 89.265350] dump_stack+0x172/0x1f0 [ 89.268975] should_fail.cold+0xa/0x1b [ 89.272859] ? mark_held_locks+0x100/0x100 [ 89.277086] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.282185] __alloc_pages_nodemask+0x1ee/0x760 [ 89.286848] ? __alloc_pages_slowpath+0x2870/0x2870 [ 89.291862] ? lock_downgrade+0x810/0x810 [ 89.296004] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.301539] alloc_pages_current+0x107/0x210 [ 89.305946] __get_free_pages+0xc/0x40 [ 89.309832] __tlb_remove_page_size+0x2ee/0x510 [ 89.314496] unmap_page_range+0xeee/0x1e70 [ 89.318736] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 89.323229] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.328590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.334123] ? uprobe_munmap+0xad/0x2b0 [ 89.338090] ? filemap_map_pages+0x8f8/0x1130 [ 89.342585] unmap_single_vma+0x19d/0x300 [ 89.346731] unmap_vmas+0xae/0x180 [ 89.350265] exit_mmap+0x2c2/0x530 [ 89.353800] ? __ia32_sys_munmap+0x80/0x80 [ 89.358031] ? quarantine_put+0x11d/0x1c0 [ 89.362178] ? __khugepaged_exit+0x2da/0x400 [ 89.366587] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.372121] ? __khugepaged_exit+0xcf/0x400 [ 89.376440] mmput+0x15f/0x4c0 [ 89.379635] do_exit+0x838/0x2fa0 [ 89.383084] ? mm_update_next_owner+0x660/0x660 [ 89.387749] ? up_read+0x1a/0x110 [ 89.391196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.396731] ? __do_page_fault+0x484/0xe90 [ 89.400961] do_group_exit+0x135/0x370 [ 89.404932] __x64_sys_exit_group+0x44/0x50 [ 89.409252] do_syscall_64+0x103/0x610 [ 89.413154] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.418339] RIP: 0033:0x440068 [ 89.421529] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 89.440425] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.448226] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 89.455490] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 89.462756] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 89.470018] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 89.477278] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 executing program [ 89.484560] CPU: 0 PID: 7591 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 89.491486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.500840] Call Trace: [ 89.503434] dump_stack+0x172/0x1f0 [ 89.503947] FAULT_INJECTION: forcing a failure. [ 89.503947] name failslab, interval 1, probability 0, space 0, times 0 [ 89.507073] should_fail.cold+0xa/0x1b [ 89.522110] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.527212] ? mark_held_locks+0x100/0x100 [ 89.531449] __should_failslab+0x121/0x190 [ 89.535688] should_failslab+0x9/0x14 [ 89.539479] __kmalloc+0x71/0x750 [ 89.542929] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 89.548026] __tty_buffer_request_room+0x1fb/0x5c0 [ 89.552954] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 89.558504] ? do_raw_spin_lock+0xc8/0x240 [ 89.562737] pty_write+0x133/0x200 [ 89.566272] tty_put_char+0x137/0x160 [ 89.570065] ? dev_match_devt+0x90/0x90 [ 89.574033] ? tty_buffer_space_avail+0x5c/0xb0 [ 89.578697] ? pty_write_room+0xc8/0xf0 [ 89.582663] ? pty_stop+0x1b0/0x1b0 [ 89.586284] __process_echoes+0x5c8/0xa40 [ 89.590432] n_tty_receive_buf_common+0xbd6/0x2900 [ 89.595361] ? n_tty_receive_buf2+0x40/0x40 [ 89.599682] n_tty_receive_buf+0x31/0x40 [ 89.603738] tty_ioctl+0xeb1/0x1530 [ 89.607360] ? tty_vhangup+0x30/0x30 [ 89.611070] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.615560] ? proc_cwd_link+0x1d0/0x1d0 [ 89.619625] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 89.624645] ? ___might_sleep+0x163/0x280 [ 89.628791] ? __might_sleep+0x95/0x190 [ 89.632764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.638299] ? tty_vhangup+0x30/0x30 [ 89.642021] do_vfs_ioctl+0xd6e/0x1390 [ 89.645906] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.650402] ? selinux_file_ioctl+0x125/0x5e0 [ 89.654892] ? ioctl_preallocate+0x210/0x210 [ 89.659296] ? selinux_file_mprotect+0x620/0x620 [ 89.664054] ? __sb_end_write+0xbb/0x110 [ 89.668107] ? vfs_write+0x160/0x560 [ 89.671822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.677356] ? security_file_ioctl+0x93/0xc0 [ 89.681763] ksys_ioctl+0xab/0xd0 [ 89.685215] __x64_sys_ioctl+0x73/0xb0 [ 89.689100] do_syscall_64+0x103/0x610 [ 89.692983] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.698164] RIP: 0033:0x441419 [ 89.701349] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.720246] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.727950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 89.735212] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 89.742476] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 89.749743] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 89.757006] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 89.764291] CPU: 1 PID: 7592 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 89.769864] FAULT_INJECTION: forcing a failure. [ 89.769864] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.771216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.771219] Call Trace: [ 89.771236] dump_stack+0x172/0x1f0 [ 89.771256] should_fail.cold+0xa/0x1b [ 89.802416] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.807513] ? mark_held_locks+0x100/0x100 [ 89.811749] __should_failslab+0x121/0x190 [ 89.815979] should_failslab+0x9/0x14 [ 89.819773] __kmalloc+0x71/0x750 [ 89.823221] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 89.828321] __tty_buffer_request_room+0x1fb/0x5c0 [ 89.833251] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 89.838784] ? do_raw_spin_lock+0xc8/0x240 [ 89.843017] pty_write+0x133/0x200 [ 89.847703] tty_put_char+0x137/0x160 [ 89.851501] ? dev_match_devt+0x90/0x90 [ 89.855472] ? tty_buffer_space_avail+0x5c/0xb0 [ 89.860140] ? pty_write_room+0xc8/0xf0 [ 89.864109] ? pty_stop+0x1b0/0x1b0 [ 89.867735] __process_echoes+0x5c8/0xa40 [ 89.871879] n_tty_receive_buf_common+0xbd6/0x2900 [ 89.876812] ? n_tty_receive_buf2+0x40/0x40 [ 89.881131] n_tty_receive_buf+0x31/0x40 [ 89.885189] tty_ioctl+0xeb1/0x1530 [ 89.888814] ? tty_vhangup+0x30/0x30 [ 89.892527] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.897014] ? proc_cwd_link+0x1d0/0x1d0 [ 89.901074] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 89.906089] ? ___might_sleep+0x163/0x280 [ 89.910232] ? __might_sleep+0x95/0x190 [ 89.914202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.919735] ? tty_vhangup+0x30/0x30 [ 89.923444] do_vfs_ioctl+0xd6e/0x1390 [ 89.927325] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.931814] ? selinux_file_ioctl+0x125/0x5e0 [ 89.936308] ? ioctl_preallocate+0x210/0x210 [ 89.940711] ? selinux_file_mprotect+0x620/0x620 [ 89.945466] ? __sb_end_write+0xbb/0x110 [ 89.949524] ? vfs_write+0x160/0x560 [ 89.953241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.958777] ? security_file_ioctl+0x93/0xc0 [ 89.963181] ksys_ioctl+0xab/0xd0 [ 89.966630] __x64_sys_ioctl+0x73/0xb0 [ 89.970521] do_syscall_64+0x103/0x610 [ 89.974407] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.979588] RIP: 0033:0x441419 [ 89.982790] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.001688] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.009394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 90.017121] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 90.024393] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 90.031667] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 90.038928] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 90.046206] CPU: 0 PID: 7590 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 90.053143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.058018] FAULT_INJECTION: forcing a failure. [ 90.058018] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.062490] Call Trace: [ 90.062509] dump_stack+0x172/0x1f0 [ 90.062525] should_fail.cold+0xa/0x1b [ 90.062546] ? mark_held_locks+0x100/0x100 [ 90.088714] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.093815] __alloc_pages_nodemask+0x1ee/0x760 [ 90.098480] ? __alloc_pages_slowpath+0x2870/0x2870 [ 90.103496] ? lock_downgrade+0x810/0x810 [ 90.107649] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 90.113184] alloc_pages_current+0x107/0x210 [ 90.117596] __get_free_pages+0xc/0x40 [ 90.121477] __tlb_remove_page_size+0x2ee/0x510 [ 90.126142] unmap_page_range+0xeee/0x1e70 [ 90.130494] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 90.134992] ? kasan_check_read+0x11/0x20 [ 90.139138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.144670] ? uprobe_munmap+0xad/0x2b0 [ 90.148640] unmap_single_vma+0x19d/0x300 [ 90.152783] unmap_vmas+0xae/0x180 [ 90.156319] exit_mmap+0x2c2/0x530 [ 90.159853] ? __ia32_sys_munmap+0x80/0x80 [ 90.164097] ? quarantine_put+0x11d/0x1c0 [ 90.168243] ? __khugepaged_exit+0x2da/0x400 [ 90.172649] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 90.178185] ? __khugepaged_exit+0xcf/0x400 [ 90.182511] mmput+0x15f/0x4c0 [ 90.185712] do_exit+0x838/0x2fa0 [ 90.189164] ? mm_update_next_owner+0x660/0x660 [ 90.193828] ? up_read+0x1a/0x110 [ 90.197276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.202808] ? __do_page_fault+0x484/0xe90 [ 90.207045] do_group_exit+0x135/0x370 [ 90.210929] __x64_sys_exit_group+0x44/0x50 [ 90.215247] do_syscall_64+0x103/0x610 [ 90.219131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.224313] RIP: 0033:0x440068 [ 90.227502] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 90.246396] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.254107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 90.261392] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 90.268656] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 90.275922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 90.283270] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 90.290546] CPU: 1 PID: 7593 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 90.297506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.301058] FAULT_INJECTION: forcing a failure. [ 90.301058] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.306882] Call Trace: [ 90.306902] dump_stack+0x172/0x1f0 [ 90.306917] should_fail.cold+0xa/0x1b [ 90.306938] ? mark_held_locks+0x100/0x100 [ 90.332982] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.338087] __alloc_pages_nodemask+0x1ee/0x760 [ 90.342754] ? __alloc_pages_slowpath+0x2870/0x2870 [ 90.347770] ? lock_downgrade+0x810/0x810 [ 90.351917] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 90.357454] alloc_pages_current+0x107/0x210 [ 90.361863] __get_free_pages+0xc/0x40 [ 90.365746] __tlb_remove_page_size+0x2ee/0x510 [ 90.370412] unmap_page_range+0xeee/0x1e70 [ 90.374649] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 90.379138] ? kasan_check_read+0x11/0x20 [ 90.383286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.388820] ? uprobe_munmap+0xad/0x2b0 [ 90.392792] unmap_single_vma+0x19d/0x300 [ 90.396939] unmap_vmas+0xae/0x180 [ 90.400478] exit_mmap+0x2c2/0x530 [ 90.404017] ? __ia32_sys_munmap+0x80/0x80 [ 90.408249] ? quarantine_put+0x11d/0x1c0 [ 90.412400] ? __khugepaged_exit+0x2da/0x400 [ 90.416806] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 90.422377] ? __khugepaged_exit+0xcf/0x400 [ 90.426695] mmput+0x15f/0x4c0 [ 90.429886] do_exit+0x838/0x2fa0 [ 90.433339] ? mm_update_next_owner+0x660/0x660 [ 90.438003] ? up_read+0x1a/0x110 [ 90.441453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.446988] ? __do_page_fault+0x484/0xe90 [ 90.451223] do_group_exit+0x135/0x370 [ 90.455109] __x64_sys_exit_group+0x44/0x50 [ 90.459433] do_syscall_64+0x103/0x610 [ 90.463322] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.468507] RIP: 0033:0x440068 [ 90.471697] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 90.490604] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.498310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 90.505581] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 90.512846] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 90.520111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 90.527375] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 90.534650] CPU: 0 PID: 7595 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 90.540817] FAULT_INJECTION: forcing a failure. [ 90.540817] name failslab, interval 1, probability 0, space 0, times 0 [ 90.541588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.562093] Call Trace: [ 90.564678] dump_stack+0x172/0x1f0 [ 90.568302] should_fail.cold+0xa/0x1b [ 90.572183] ? mark_held_locks+0x100/0x100 [ 90.576413] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.581513] __alloc_pages_nodemask+0x1ee/0x760 [ 90.586177] ? __alloc_pages_slowpath+0x2870/0x2870 [ 90.591194] ? lock_downgrade+0x810/0x810 [ 90.595339] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 90.600871] alloc_pages_current+0x107/0x210 [ 90.605278] __get_free_pages+0xc/0x40 [ 90.609156] __tlb_remove_page_size+0x2ee/0x510 [ 90.613822] unmap_page_range+0xeee/0x1e70 [ 90.618060] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 90.622546] ? kasan_check_read+0x11/0x20 [ 90.626697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.632230] ? uprobe_munmap+0xad/0x2b0 [ 90.636197] unmap_single_vma+0x19d/0x300 [ 90.640341] unmap_vmas+0xae/0x180 [ 90.643877] exit_mmap+0x2c2/0x530 [ 90.647408] ? __ia32_sys_munmap+0x80/0x80 [ 90.651644] ? quarantine_put+0x11d/0x1c0 [ 90.655791] ? __khugepaged_exit+0x2da/0x400 [ 90.660199] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 90.665729] ? __khugepaged_exit+0xcf/0x400 [ 90.670047] mmput+0x15f/0x4c0 [ 90.673231] do_exit+0x838/0x2fa0 [ 90.676684] ? mm_update_next_owner+0x660/0x660 [ 90.681348] ? up_read+0x1a/0x110 [ 90.684795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.690325] ? __do_page_fault+0x484/0xe90 [ 90.694591] do_group_exit+0x135/0x370 [ 90.698472] __x64_sys_exit_group+0x44/0x50 [ 90.702789] do_syscall_64+0x103/0x610 [ 90.706669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.711864] RIP: 0033:0x440068 [ 90.715055] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 90.733949] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program [ 90.741663] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 90.748921] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 90.756181] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 90.763446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 90.770707] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 90.778003] CPU: 1 PID: 7594 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 90.784926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.791187] FAULT_INJECTION: forcing a failure. [ 90.791187] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.794269] Call Trace: [ 90.794287] dump_stack+0x172/0x1f0 [ 90.794301] should_fail.cold+0xa/0x1b [ 90.794320] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.821241] ? mark_held_locks+0x100/0x100 [ 90.825480] __should_failslab+0x121/0x190 [ 90.829713] should_failslab+0x9/0x14 [ 90.833504] __kmalloc+0x71/0x750 [ 90.836957] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 90.842057] __tty_buffer_request_room+0x1fb/0x5c0 [ 90.846986] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 90.852519] ? do_raw_spin_lock+0xc8/0x240 [ 90.856761] pty_write+0x133/0x200 [ 90.860299] tty_put_char+0x137/0x160 [ 90.864096] ? dev_match_devt+0x90/0x90 [ 90.868061] ? tty_buffer_space_avail+0x5c/0xb0 [ 90.872728] ? pty_write_room+0xc8/0xf0 [ 90.876696] ? pty_stop+0x1b0/0x1b0 [ 90.880321] __process_echoes+0x5c8/0xa40 [ 90.884474] n_tty_receive_buf_common+0xbd6/0x2900 [ 90.889406] ? n_tty_receive_buf2+0x40/0x40 [ 90.893725] n_tty_receive_buf+0x31/0x40 [ 90.897782] tty_ioctl+0xeb1/0x1530 [ 90.901404] ? tty_vhangup+0x30/0x30 [ 90.905116] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.909606] ? proc_cwd_link+0x1d0/0x1d0 [ 90.913665] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 90.918681] ? ___might_sleep+0x163/0x280 [ 90.922826] ? __might_sleep+0x95/0x190 [ 90.926794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.932329] ? tty_vhangup+0x30/0x30 [ 90.936041] do_vfs_ioctl+0xd6e/0x1390 [ 90.939925] ? selinux_file_ioctl+0x46f/0x5e0 [ 90.944416] ? selinux_file_ioctl+0x125/0x5e0 [ 90.948907] ? ioctl_preallocate+0x210/0x210 [ 90.953312] ? selinux_file_mprotect+0x620/0x620 [ 90.958068] ? __sb_end_write+0xbb/0x110 [ 90.962125] ? vfs_write+0x160/0x560 [ 90.965842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.971374] ? security_file_ioctl+0x93/0xc0 [ 90.975781] ksys_ioctl+0xab/0xd0 [ 90.979233] __x64_sys_ioctl+0x73/0xb0 [ 90.983117] do_syscall_64+0x103/0x610 [ 90.987004] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.992189] RIP: 0033:0x441419 [ 90.995377] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.015736] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.023440] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 91.030708] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 91.037969] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 91.045232] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.052493] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 91.059771] CPU: 0 PID: 7596 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 91.066701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.067178] FAULT_INJECTION: forcing a failure. [ 91.067178] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.076052] Call Trace: [ 91.076070] dump_stack+0x172/0x1f0 [ 91.076084] should_fail.cold+0xa/0x1b [ 91.076105] ? mark_held_locks+0x100/0x100 [ 91.102158] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.107262] __alloc_pages_nodemask+0x1ee/0x760 [ 91.111926] ? __alloc_pages_slowpath+0x2870/0x2870 [ 91.116942] ? lock_downgrade+0x810/0x810 [ 91.121089] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 91.126717] alloc_pages_current+0x107/0x210 [ 91.131126] __get_free_pages+0xc/0x40 [ 91.135008] __tlb_remove_page_size+0x2ee/0x510 [ 91.139672] unmap_page_range+0xeee/0x1e70 [ 91.143910] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 91.148400] ? kasan_check_read+0x11/0x20 [ 91.152552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.158084] ? uprobe_munmap+0xad/0x2b0 [ 91.162056] unmap_single_vma+0x19d/0x300 [ 91.166210] unmap_vmas+0xae/0x180 [ 91.169747] exit_mmap+0x2c2/0x530 [ 91.173281] ? __ia32_sys_munmap+0x80/0x80 [ 91.177512] ? quarantine_put+0x11d/0x1c0 [ 91.181679] ? __khugepaged_exit+0x2da/0x400 [ 91.186096] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 91.191626] ? __khugepaged_exit+0xcf/0x400 [ 91.195949] mmput+0x15f/0x4c0 [ 91.199140] do_exit+0x838/0x2fa0 [ 91.202591] ? mm_update_next_owner+0x660/0x660 [ 91.207253] ? up_read+0x1a/0x110 [ 91.210698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.216229] ? __do_page_fault+0x484/0xe90 [ 91.220462] do_group_exit+0x135/0x370 [ 91.224353] __x64_sys_exit_group+0x44/0x50 [ 91.228669] do_syscall_64+0x103/0x610 [ 91.232558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.237740] RIP: 0033:0x440068 [ 91.240929] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 91.259829] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.267543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 91.274821] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 91.282084] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 executing program executing program [ 91.289351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 91.296631] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 91.303908] CPU: 1 PID: 7597 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 91.310840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.311645] FAULT_INJECTION: forcing a failure. [ 91.311645] name failslab, interval 1, probability 0, space 0, times 0 [ 91.320196] Call Trace: [ 91.333963] dump_stack+0x172/0x1f0 [ 91.337598] should_fail.cold+0xa/0x1b [ 91.341482] ? mark_held_locks+0x100/0x100 [ 91.345718] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.350822] __alloc_pages_nodemask+0x1ee/0x760 [ 91.355490] ? __alloc_pages_slowpath+0x2870/0x2870 [ 91.360534] ? lock_downgrade+0x810/0x810 [ 91.364681] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 91.370215] alloc_pages_current+0x107/0x210 [ 91.374622] __get_free_pages+0xc/0x40 [ 91.378500] __tlb_remove_page_size+0x2ee/0x510 [ 91.383171] unmap_page_range+0xeee/0x1e70 [ 91.387412] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 91.391905] ? kasan_check_read+0x11/0x20 [ 91.396048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.401582] ? uprobe_munmap+0xad/0x2b0 [ 91.405578] unmap_single_vma+0x19d/0x300 [ 91.409736] unmap_vmas+0xae/0x180 [ 91.413273] exit_mmap+0x2c2/0x530 [ 91.416806] ? __ia32_sys_munmap+0x80/0x80 [ 91.421039] ? quarantine_put+0x11d/0x1c0 [ 91.425188] ? __khugepaged_exit+0x2da/0x400 [ 91.429597] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 91.435129] ? __khugepaged_exit+0xcf/0x400 [ 91.439450] mmput+0x15f/0x4c0 [ 91.442636] do_exit+0x838/0x2fa0 [ 91.446087] ? mm_update_next_owner+0x660/0x660 [ 91.450748] ? up_read+0x1a/0x110 [ 91.454195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.459725] ? __do_page_fault+0x484/0xe90 [ 91.463957] do_group_exit+0x135/0x370 [ 91.467841] __x64_sys_exit_group+0x44/0x50 [ 91.472155] do_syscall_64+0x103/0x610 [ 91.476040] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.481219] RIP: 0033:0x440068 [ 91.484405] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 91.503302] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.511006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 91.518269] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 91.525533] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 91.532795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 91.540058] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 91.547335] CPU: 0 PID: 7598 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 91.554264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.563630] Call Trace: [ 91.566237] dump_stack+0x172/0x1f0 [ 91.566353] FAULT_INJECTION: forcing a failure. [ 91.566353] name failslab, interval 1, probability 0, space 0, times 0 [ 91.569867] should_fail.cold+0xa/0x1b [ 91.584913] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.590020] ? mark_held_locks+0x100/0x100 [ 91.594254] __should_failslab+0x121/0x190 [ 91.598482] should_failslab+0x9/0x14 [ 91.602283] __kmalloc+0x71/0x750 [ 91.605734] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 91.610833] __tty_buffer_request_room+0x1fb/0x5c0 [ 91.615762] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 91.621293] ? do_raw_spin_lock+0xc8/0x240 [ 91.625531] pty_write+0x133/0x200 [ 91.629069] tty_put_char+0x137/0x160 [ 91.632863] ? dev_match_devt+0x90/0x90 [ 91.636834] ? tty_buffer_space_avail+0x5c/0xb0 [ 91.641506] ? pty_write_room+0xc8/0xf0 [ 91.645473] ? pty_stop+0x1b0/0x1b0 [ 91.649103] __process_echoes+0x5c8/0xa40 [ 91.653247] n_tty_receive_buf_common+0xbd6/0x2900 [ 91.658177] ? n_tty_receive_buf2+0x40/0x40 [ 91.662501] n_tty_receive_buf+0x31/0x40 [ 91.666558] tty_ioctl+0xeb1/0x1530 [ 91.670182] ? tty_vhangup+0x30/0x30 [ 91.673892] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.678385] ? proc_cwd_link+0x1d0/0x1d0 [ 91.682445] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.687461] ? ___might_sleep+0x163/0x280 [ 91.691615] ? __might_sleep+0x95/0x190 [ 91.695591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.701406] ? tty_vhangup+0x30/0x30 [ 91.705117] do_vfs_ioctl+0xd6e/0x1390 [ 91.709001] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.713496] ? selinux_file_ioctl+0x125/0x5e0 [ 91.717988] ? ioctl_preallocate+0x210/0x210 [ 91.722391] ? selinux_file_mprotect+0x620/0x620 [ 91.727144] ? __sb_end_write+0xbb/0x110 [ 91.731198] ? vfs_write+0x160/0x560 [ 91.734916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.740447] ? security_file_ioctl+0x93/0xc0 [ 91.744851] ksys_ioctl+0xab/0xd0 [ 91.748301] __x64_sys_ioctl+0x73/0xb0 [ 91.752186] do_syscall_64+0x103/0x610 [ 91.756073] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.761254] RIP: 0033:0x441419 [ 91.764442] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.783339] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.791046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 91.798311] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 91.805575] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 91.812835] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.820097] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 91.827377] CPU: 1 PID: 7599 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 91.834309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.842328] FAULT_INJECTION: forcing a failure. [ 91.842328] name failslab, interval 1, probability 0, space 0, times 0 [ 91.843662] Call Trace: [ 91.858944] dump_stack+0x172/0x1f0 [ 91.862572] should_fail.cold+0xa/0x1b [ 91.866453] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.871559] ? mark_held_locks+0x100/0x100 [ 91.875793] __should_failslab+0x121/0x190 [ 91.880024] should_failslab+0x9/0x14 [ 91.883819] __kmalloc+0x71/0x750 [ 91.887270] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 91.892372] __tty_buffer_request_room+0x1fb/0x5c0 [ 91.897303] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 91.902841] ? do_raw_spin_lock+0xc8/0x240 [ 91.907075] pty_write+0x133/0x200 [ 91.910614] tty_put_char+0x137/0x160 [ 91.914410] ? dev_match_devt+0x90/0x90 [ 91.918379] ? tty_buffer_space_avail+0x5c/0xb0 [ 91.923052] ? pty_write_room+0xc8/0xf0 [ 91.927022] ? pty_stop+0x1b0/0x1b0 [ 91.930642] __process_echoes+0x5c8/0xa40 [ 91.934789] n_tty_receive_buf_common+0xbd6/0x2900 [ 91.939717] ? n_tty_receive_buf2+0x40/0x40 [ 91.944035] n_tty_receive_buf+0x31/0x40 [ 91.948093] tty_ioctl+0xeb1/0x1530 [ 91.951717] ? tty_vhangup+0x30/0x30 [ 91.955426] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.959918] ? proc_cwd_link+0x1d0/0x1d0 [ 91.963975] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.968990] ? ___might_sleep+0x163/0x280 [ 91.973132] ? __might_sleep+0x95/0x190 [ 91.977101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.982633] ? tty_vhangup+0x30/0x30 [ 91.986343] do_vfs_ioctl+0xd6e/0x1390 [ 91.990227] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.994715] ? selinux_file_ioctl+0x125/0x5e0 [ 91.999206] ? ioctl_preallocate+0x210/0x210 [ 92.003607] ? selinux_file_mprotect+0x620/0x620 [ 92.008361] ? __sb_end_write+0xbb/0x110 [ 92.012429] ? vfs_write+0x160/0x560 [ 92.016143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.021677] ? security_file_ioctl+0x93/0xc0 [ 92.026083] ksys_ioctl+0xab/0xd0 [ 92.029537] __x64_sys_ioctl+0x73/0xb0 [ 92.033426] do_syscall_64+0x103/0x610 [ 92.037762] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.042942] RIP: 0033:0x441419 [ 92.046130] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.065026] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.072734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 92.079993] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 92.087255] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 executing program executing program executing program [ 92.094520] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.101785] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 92.109069] CPU: 0 PID: 7600 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 92.115999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.125347] Call Trace: [ 92.126590] FAULT_INJECTION: forcing a failure. [ 92.126590] name failslab, interval 1, probability 0, space 0, times 0 [ 92.127945] dump_stack+0x172/0x1f0 [ 92.142732] should_fail.cold+0xa/0x1b [ 92.146641] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.151743] ? mark_held_locks+0x100/0x100 [ 92.155979] __should_failslab+0x121/0x190 [ 92.160210] should_failslab+0x9/0x14 [ 92.164002] __kmalloc+0x71/0x750 [ 92.167454] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 92.172571] __tty_buffer_request_room+0x1fb/0x5c0 [ 92.177499] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 92.183033] ? do_raw_spin_lock+0xc8/0x240 [ 92.187263] pty_write+0x133/0x200 [ 92.190803] tty_put_char+0x137/0x160 [ 92.194602] ? dev_match_devt+0x90/0x90 [ 92.198571] ? tty_buffer_space_avail+0x5c/0xb0 [ 92.203237] ? pty_write_room+0xc8/0xf0 [ 92.207203] ? pty_stop+0x1b0/0x1b0 [ 92.210825] __process_echoes+0x5c8/0xa40 [ 92.214972] n_tty_receive_buf_common+0xbd6/0x2900 [ 92.219907] ? n_tty_receive_buf2+0x40/0x40 [ 92.224222] n_tty_receive_buf+0x31/0x40 [ 92.228278] tty_ioctl+0xeb1/0x1530 [ 92.231901] ? tty_vhangup+0x30/0x30 [ 92.235609] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.240097] ? proc_cwd_link+0x1d0/0x1d0 [ 92.244154] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 92.249167] ? ___might_sleep+0x163/0x280 [ 92.253311] ? __might_sleep+0x95/0x190 [ 92.257277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.262810] ? tty_vhangup+0x30/0x30 [ 92.266519] do_vfs_ioctl+0xd6e/0x1390 [ 92.270401] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.274892] ? selinux_file_ioctl+0x125/0x5e0 [ 92.279379] ? ioctl_preallocate+0x210/0x210 [ 92.283780] ? selinux_file_mprotect+0x620/0x620 [ 92.288535] ? __sb_end_write+0xbb/0x110 [ 92.292591] ? vfs_write+0x160/0x560 [ 92.296307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.301842] ? security_file_ioctl+0x93/0xc0 [ 92.306248] ksys_ioctl+0xab/0xd0 [ 92.309697] __x64_sys_ioctl+0x73/0xb0 [ 92.313579] do_syscall_64+0x103/0x610 [ 92.317472] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.322653] RIP: 0033:0x441419 [ 92.325841] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.344740] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.352444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 92.359714] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 92.366976] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 92.374239] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.381500] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 92.388780] CPU: 1 PID: 7601 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 92.395702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.405052] Call Trace: [ 92.405605] FAULT_INJECTION: forcing a failure. [ 92.405605] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.407643] dump_stack+0x172/0x1f0 [ 92.407659] should_fail.cold+0xa/0x1b [ 92.407672] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.407691] ? mark_held_locks+0x100/0x100 [ 92.436266] __should_failslab+0x121/0x190 [ 92.440498] should_failslab+0x9/0x14 [ 92.444293] __kmalloc+0x71/0x750 [ 92.447744] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 92.452842] __tty_buffer_request_room+0x1fb/0x5c0 [ 92.457772] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 92.463303] ? do_raw_spin_lock+0xc8/0x240 [ 92.467535] pty_write+0x133/0x200 [ 92.471074] tty_put_char+0x137/0x160 [ 92.474871] ? dev_match_devt+0x90/0x90 [ 92.478840] ? tty_buffer_space_avail+0x5c/0xb0 [ 92.483503] ? pty_write_room+0xc8/0xf0 [ 92.487472] ? pty_stop+0x1b0/0x1b0 [ 92.491096] __process_echoes+0x5c8/0xa40 [ 92.495246] n_tty_receive_buf_common+0xbd6/0x2900 [ 92.500174] ? n_tty_receive_buf2+0x40/0x40 [ 92.504487] n_tty_receive_buf+0x31/0x40 [ 92.508544] tty_ioctl+0xeb1/0x1530 [ 92.512168] ? tty_vhangup+0x30/0x30 [ 92.515875] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.520371] ? proc_cwd_link+0x1d0/0x1d0 [ 92.524430] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 92.529455] ? ___might_sleep+0x163/0x280 [ 92.533596] ? __might_sleep+0x95/0x190 [ 92.537566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.543186] ? tty_vhangup+0x30/0x30 [ 92.546897] do_vfs_ioctl+0xd6e/0x1390 [ 92.550778] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.555266] ? selinux_file_ioctl+0x125/0x5e0 [ 92.559756] ? ioctl_preallocate+0x210/0x210 [ 92.564158] ? selinux_file_mprotect+0x620/0x620 [ 92.568923] ? __sb_end_write+0xbb/0x110 [ 92.572983] ? vfs_write+0x160/0x560 [ 92.576696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.582231] ? security_file_ioctl+0x93/0xc0 [ 92.586638] ksys_ioctl+0xab/0xd0 [ 92.590088] __x64_sys_ioctl+0x73/0xb0 [ 92.593972] do_syscall_64+0x103/0x610 [ 92.597859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.603041] RIP: 0033:0x441419 [ 92.606231] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.625128] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.632834] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 92.640098] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 executing program [ 92.647362] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 92.654627] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.661891] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 92.669169] CPU: 0 PID: 7602 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 92.676105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.677846] FAULT_INJECTION: forcing a failure. [ 92.677846] name failslab, interval 1, probability 0, space 0, times 0 [ 92.685468] Call Trace: [ 92.699215] dump_stack+0x172/0x1f0 [ 92.702840] should_fail.cold+0xa/0x1b [ 92.706728] ? mark_held_locks+0x100/0x100 [ 92.710958] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.716060] __alloc_pages_nodemask+0x1ee/0x760 [ 92.720723] ? __alloc_pages_slowpath+0x2870/0x2870 [ 92.725733] ? lock_downgrade+0x810/0x810 [ 92.729881] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 92.735414] alloc_pages_current+0x107/0x210 [ 92.739829] __get_free_pages+0xc/0x40 [ 92.743710] __tlb_remove_page_size+0x2ee/0x510 [ 92.748376] unmap_page_range+0xeee/0x1e70 [ 92.752612] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 92.757103] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.762465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.767996] ? uprobe_munmap+0xad/0x2b0 [ 92.771962] ? filemap_map_pages+0x8f8/0x1130 [ 92.776457] unmap_single_vma+0x19d/0x300 [ 92.780603] unmap_vmas+0xae/0x180 [ 92.784142] exit_mmap+0x2c2/0x530 [ 92.787679] ? __ia32_sys_munmap+0x80/0x80 [ 92.791930] ? quarantine_put+0x11d/0x1c0 [ 92.796102] ? __khugepaged_exit+0x2da/0x400 [ 92.800531] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 92.806061] ? __khugepaged_exit+0xcf/0x400 [ 92.810382] mmput+0x15f/0x4c0 [ 92.813568] do_exit+0x838/0x2fa0 [ 92.817020] ? mm_update_next_owner+0x660/0x660 [ 92.821686] ? up_read+0x1a/0x110 [ 92.825136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.830673] ? __do_page_fault+0x484/0xe90 [ 92.834903] do_group_exit+0x135/0x370 [ 92.838958] __x64_sys_exit_group+0x44/0x50 [ 92.843277] do_syscall_64+0x103/0x610 [ 92.847165] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.852353] RIP: 0033:0x440068 [ 92.855542] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 92.874445] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 92.882149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 92.889408] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 92.896676] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 92.903936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 92.911197] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 92.918477] CPU: 1 PID: 7604 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 92.925427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.934778] Call Trace: [ 92.936584] FAULT_INJECTION: forcing a failure. [ 92.936584] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.937371] dump_stack+0x172/0x1f0 [ 92.937387] should_fail.cold+0xa/0x1b [ 92.937399] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.937428] ? mark_held_locks+0x100/0x100 [ 92.966004] __should_failslab+0x121/0x190 [ 92.970245] should_failslab+0x9/0x14 [ 92.974038] __kmalloc+0x71/0x750 [ 92.977490] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 92.982591] __tty_buffer_request_room+0x1fb/0x5c0 [ 92.987522] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 92.993057] ? do_raw_spin_lock+0xc8/0x240 [ 92.997290] pty_write+0x133/0x200 [ 93.000829] tty_put_char+0x137/0x160 [ 93.004625] ? dev_match_devt+0x90/0x90 [ 93.008594] ? tty_buffer_space_avail+0x5c/0xb0 [ 93.014773] ? pty_write_room+0xc8/0xf0 [ 93.018742] ? pty_stop+0x1b0/0x1b0 [ 93.022364] __process_echoes+0x5c8/0xa40 [ 93.026509] n_tty_receive_buf_common+0xbd6/0x2900 [ 93.031449] ? n_tty_receive_buf2+0x40/0x40 [ 93.035774] n_tty_receive_buf+0x31/0x40 [ 93.039833] tty_ioctl+0xeb1/0x1530 [ 93.043457] ? tty_vhangup+0x30/0x30 [ 93.047166] ? proc_fail_nth_write+0x9d/0x1e0 [ 93.051657] ? proc_cwd_link+0x1d0/0x1d0 [ 93.055715] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 93.060732] ? ___might_sleep+0x163/0x280 [ 93.064875] ? __might_sleep+0x95/0x190 [ 93.068845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.074385] ? tty_vhangup+0x30/0x30 [ 93.078103] do_vfs_ioctl+0xd6e/0x1390 [ 93.081987] ? selinux_file_ioctl+0x46f/0x5e0 [ 93.086578] ? selinux_file_ioctl+0x125/0x5e0 [ 93.091067] ? ioctl_preallocate+0x210/0x210 [ 93.095467] ? selinux_file_mprotect+0x620/0x620 [ 93.100220] ? __sb_end_write+0xbb/0x110 [ 93.104277] ? vfs_write+0x160/0x560 [ 93.108010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.113552] ? security_file_ioctl+0x93/0xc0 [ 93.117959] ksys_ioctl+0xab/0xd0 [ 93.121415] __x64_sys_ioctl+0x73/0xb0 [ 93.125383] do_syscall_64+0x103/0x610 [ 93.129287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.134556] RIP: 0033:0x441419 executing program executing program executing program [ 93.137746] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.156639] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.164345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 93.171609] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 93.178874] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 93.186137] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 93.193407] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 93.200686] CPU: 0 PID: 7608 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 93.207624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.209179] FAULT_INJECTION: forcing a failure. [ 93.209179] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.216979] Call Trace: [ 93.216998] dump_stack+0x172/0x1f0 [ 93.217012] should_fail.cold+0xa/0x1b [ 93.217034] ? mark_held_locks+0x100/0x100 [ 93.243070] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.248260] __alloc_pages_nodemask+0x1ee/0x760 [ 93.252923] ? __alloc_pages_slowpath+0x2870/0x2870 [ 93.257940] ? lock_downgrade+0x810/0x810 [ 93.262086] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 93.267619] alloc_pages_current+0x107/0x210 [ 93.272026] __get_free_pages+0xc/0x40 [ 93.275904] __tlb_remove_page_size+0x2ee/0x510 [ 93.280567] unmap_page_range+0xeee/0x1e70 [ 93.284803] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 93.289293] ? kasan_check_read+0x11/0x20 [ 93.293438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.298975] ? uprobe_munmap+0xad/0x2b0 [ 93.302949] unmap_single_vma+0x19d/0x300 [ 93.307092] unmap_vmas+0xae/0x180 [ 93.310629] exit_mmap+0x2c2/0x530 [ 93.314164] ? __ia32_sys_munmap+0x80/0x80 [ 93.318402] ? quarantine_put+0x11d/0x1c0 [ 93.322550] ? __khugepaged_exit+0x2da/0x400 [ 93.326952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 93.332480] ? __khugepaged_exit+0xcf/0x400 [ 93.336798] mmput+0x15f/0x4c0 [ 93.339989] do_exit+0x838/0x2fa0 [ 93.343439] ? mm_update_next_owner+0x660/0x660 [ 93.348112] ? up_read+0x1a/0x110 [ 93.351557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.357090] ? __do_page_fault+0x484/0xe90 [ 93.361321] do_group_exit+0x135/0x370 [ 93.365204] __x64_sys_exit_group+0x44/0x50 [ 93.369520] do_syscall_64+0x103/0x610 [ 93.373413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.378596] RIP: 0033:0x440068 [ 93.381782] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 executing program [ 93.400680] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 93.408384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 93.415654] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 93.422915] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 93.430176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 93.437438] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 93.444717] CPU: 1 PID: 7605 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 93.451652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.452009] FAULT_INJECTION: forcing a failure. [ 93.452009] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.461016] Call Trace: [ 93.461035] dump_stack+0x172/0x1f0 [ 93.461049] should_fail.cold+0xa/0x1b [ 93.461062] ? mark_held_locks+0x100/0x100 [ 93.461080] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.492230] __alloc_pages_nodemask+0x1ee/0x760 [ 93.496895] ? __alloc_pages_slowpath+0x2870/0x2870 [ 93.501909] ? lock_downgrade+0x810/0x810 [ 93.506055] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 93.511590] alloc_pages_current+0x107/0x210 [ 93.515996] __get_free_pages+0xc/0x40 [ 93.519878] __tlb_remove_page_size+0x2ee/0x510 [ 93.524538] unmap_page_range+0xeee/0x1e70 [ 93.528775] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 93.533266] ? kasan_check_read+0x11/0x20 [ 93.537411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.542942] ? uprobe_munmap+0xad/0x2b0 [ 93.546911] unmap_single_vma+0x19d/0x300 [ 93.551055] unmap_vmas+0xae/0x180 [ 93.554594] exit_mmap+0x2c2/0x530 [ 93.558127] ? __ia32_sys_munmap+0x80/0x80 [ 93.562358] ? quarantine_put+0x11d/0x1c0 [ 93.566521] ? __khugepaged_exit+0x2da/0x400 [ 93.570928] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 93.576461] ? __khugepaged_exit+0xcf/0x400 [ 93.580779] mmput+0x15f/0x4c0 [ 93.583967] do_exit+0x838/0x2fa0 [ 93.587416] ? mm_update_next_owner+0x660/0x660 [ 93.592081] ? up_read+0x1a/0x110 [ 93.595530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.601066] ? __do_page_fault+0x484/0xe90 [ 93.605303] do_group_exit+0x135/0x370 [ 93.609204] __x64_sys_exit_group+0x44/0x50 [ 93.613523] do_syscall_64+0x103/0x610 [ 93.617409] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.622607] RIP: 0033:0x440068 [ 93.625795] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 93.644688] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 93.652399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 93.659661] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 93.666941] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 93.674202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 93.681467] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 93.688749] CPU: 0 PID: 7609 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 93.690577] FAULT_INJECTION: forcing a failure. [ 93.690577] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.695678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.695682] Call Trace: [ 93.695699] dump_stack+0x172/0x1f0 [ 93.695719] should_fail.cold+0xa/0x1b [ 93.726878] ? mark_held_locks+0x100/0x100 [ 93.731111] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.736212] __alloc_pages_nodemask+0x1ee/0x760 [ 93.740880] ? __alloc_pages_slowpath+0x2870/0x2870 [ 93.745892] ? lock_downgrade+0x810/0x810 [ 93.750040] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 93.755576] alloc_pages_current+0x107/0x210 [ 93.759986] __get_free_pages+0xc/0x40 [ 93.763880] __tlb_remove_page_size+0x2ee/0x510 [ 93.768545] unmap_page_range+0xeee/0x1e70 [ 93.772787] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 93.777278] ? kasan_check_read+0x11/0x20 [ 93.781420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.786955] ? uprobe_munmap+0xad/0x2b0 [ 93.790928] unmap_single_vma+0x19d/0x300 [ 93.795072] unmap_vmas+0xae/0x180 [ 93.798611] exit_mmap+0x2c2/0x530 [ 93.802148] ? __ia32_sys_munmap+0x80/0x80 [ 93.806384] ? quarantine_put+0x11d/0x1c0 [ 93.810533] ? __khugepaged_exit+0x2da/0x400 [ 93.814943] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 93.820472] ? __khugepaged_exit+0xcf/0x400 [ 93.824795] mmput+0x15f/0x4c0 [ 93.827988] do_exit+0x838/0x2fa0 [ 93.831439] ? mm_update_next_owner+0x660/0x660 [ 93.836102] ? up_read+0x1a/0x110 [ 93.839553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.845085] ? __do_page_fault+0x484/0xe90 [ 93.850888] do_group_exit+0x135/0x370 [ 93.854775] __x64_sys_exit_group+0x44/0x50 [ 93.859097] do_syscall_64+0x103/0x610 [ 93.863068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.868252] RIP: 0033:0x440068 [ 93.871440] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 93.890337] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 93.898046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 executing program [ 93.905309] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 93.912577] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 93.926966] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 93.934315] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 93.941607] CPU: 1 PID: 7606 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 93.948665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.949564] FAULT_INJECTION: forcing a failure. [ 93.949564] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.958015] Call Trace: [ 93.958035] dump_stack+0x172/0x1f0 [ 93.958050] should_fail.cold+0xa/0x1b [ 93.958063] ? mark_held_locks+0x100/0x100 [ 93.958082] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.989202] ? __update_load_avg_se+0x5ec/0xa10 [ 93.993865] __alloc_pages_nodemask+0x1ee/0x760 [ 93.998531] ? rb_erase_cached+0x735/0x1c40 [ 94.002850] ? update_load_avg+0x22c/0x1a30 [ 94.007180] ? __alloc_pages_slowpath+0x2870/0x2870 [ 94.012193] ? lock_downgrade+0x810/0x810 [ 94.016340] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 94.021885] alloc_pages_current+0x107/0x210 [ 94.026293] __get_free_pages+0xc/0x40 [ 94.030173] __tlb_remove_page_size+0x2ee/0x510 [ 94.034841] unmap_page_range+0xeee/0x1e70 [ 94.039066] ? __switch_to_asm+0x40/0x70 [ 94.043129] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 94.047618] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.052389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.057922] ? uprobe_munmap+0xad/0x2b0 [ 94.061893] unmap_single_vma+0x19d/0x300 [ 94.066038] unmap_vmas+0xae/0x180 [ 94.069578] exit_mmap+0x2c2/0x530 [ 94.073114] ? __ia32_sys_munmap+0x80/0x80 [ 94.077355] ? quarantine_put+0x11d/0x1c0 [ 94.081503] ? __khugepaged_exit+0x2da/0x400 [ 94.085910] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.091443] ? __khugepaged_exit+0xcf/0x400 [ 94.095763] mmput+0x15f/0x4c0 [ 94.098951] do_exit+0x838/0x2fa0 [ 94.102403] ? mm_update_next_owner+0x660/0x660 [ 94.107066] ? up_read+0x1a/0x110 [ 94.110515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.116048] ? __do_page_fault+0x484/0xe90 [ 94.120284] do_group_exit+0x135/0x370 [ 94.124165] __x64_sys_exit_group+0x44/0x50 [ 94.128482] do_syscall_64+0x103/0x610 [ 94.132374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.137557] RIP: 0033:0x440068 [ 94.140746] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 94.159642] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 94.167352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 94.174616] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 94.181880] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 94.189143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.196410] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 94.203692] CPU: 0 PID: 7610 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 94.210623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.210738] FAULT_INJECTION: forcing a failure. [ 94.210738] name failslab, interval 1, probability 0, space 0, times 0 [ 94.219999] Call Trace: [ 94.233751] dump_stack+0x172/0x1f0 [ 94.237380] should_fail.cold+0xa/0x1b [ 94.241259] ? mark_held_locks+0x100/0x100 [ 94.245491] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.250594] __alloc_pages_nodemask+0x1ee/0x760 [ 94.255259] ? __alloc_pages_slowpath+0x2870/0x2870 [ 94.260273] ? lock_downgrade+0x810/0x810 [ 94.264418] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 94.269959] alloc_pages_current+0x107/0x210 [ 94.274373] __get_free_pages+0xc/0x40 [ 94.278256] __tlb_remove_page_size+0x2ee/0x510 [ 94.282935] unmap_page_range+0xeee/0x1e70 [ 94.287173] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 94.291658] ? kasan_check_read+0x11/0x20 [ 94.295801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.301343] ? uprobe_munmap+0xad/0x2b0 [ 94.305329] unmap_single_vma+0x19d/0x300 [ 94.309487] unmap_vmas+0xae/0x180 [ 94.313023] exit_mmap+0x2c2/0x530 [ 94.316569] ? __ia32_sys_munmap+0x80/0x80 [ 94.320801] ? quarantine_put+0x11d/0x1c0 [ 94.324945] ? __khugepaged_exit+0x2da/0x400 [ 94.329356] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.334885] ? __khugepaged_exit+0xcf/0x400 [ 94.339200] mmput+0x15f/0x4c0 [ 94.342385] do_exit+0x838/0x2fa0 [ 94.345840] ? mm_update_next_owner+0x660/0x660 [ 94.350505] ? up_read+0x1a/0x110 [ 94.353955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.359487] ? __do_page_fault+0x484/0xe90 [ 94.363720] do_group_exit+0x135/0x370 [ 94.367607] __x64_sys_exit_group+0x44/0x50 [ 94.372025] do_syscall_64+0x103/0x610 [ 94.375917] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.381099] RIP: 0033:0x440068 [ 94.384285] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 executing program [ 94.403292] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 94.410999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 94.418259] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 94.425521] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 94.432784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.440046] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 94.447333] CPU: 1 PID: 7611 Comm: syz-executor157 Not tainted 4.19.34 #2 executing program [ 94.454268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.463631] Call Trace: [ 94.466056] FAULT_INJECTION: forcing a failure. [ 94.466056] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.466240] dump_stack+0x172/0x1f0 [ 94.481626] should_fail.cold+0xa/0x1b [ 94.485510] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.490610] ? mark_held_locks+0x100/0x100 [ 94.494843] __should_failslab+0x121/0x190 [ 94.499076] should_failslab+0x9/0x14 [ 94.502871] __kmalloc+0x71/0x750 [ 94.506327] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 94.511424] __tty_buffer_request_room+0x1fb/0x5c0 [ 94.516354] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 94.521887] ? do_raw_spin_lock+0xc8/0x240 [ 94.526123] pty_write+0x133/0x200 [ 94.529661] tty_put_char+0x137/0x160 [ 94.533459] ? dev_match_devt+0x90/0x90 [ 94.537428] ? tty_buffer_space_avail+0x5c/0xb0 [ 94.542093] ? pty_write_room+0xc8/0xf0 [ 94.546064] ? pty_stop+0x1b0/0x1b0 [ 94.549687] __process_echoes+0x5c8/0xa40 [ 94.553834] n_tty_receive_buf_common+0xbd6/0x2900 [ 94.558767] ? n_tty_receive_buf2+0x40/0x40 [ 94.563084] n_tty_receive_buf+0x31/0x40 [ 94.567140] tty_ioctl+0xeb1/0x1530 [ 94.570764] ? tty_vhangup+0x30/0x30 [ 94.574473] ? proc_fail_nth_write+0x9d/0x1e0 [ 94.578964] ? proc_cwd_link+0x1d0/0x1d0 [ 94.583022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 94.588035] ? ___might_sleep+0x163/0x280 [ 94.592183] ? __might_sleep+0x95/0x190 [ 94.596170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.601703] ? tty_vhangup+0x30/0x30 [ 94.605421] do_vfs_ioctl+0xd6e/0x1390 [ 94.609305] ? selinux_file_ioctl+0x46f/0x5e0 [ 94.613800] ? selinux_file_ioctl+0x125/0x5e0 [ 94.618290] ? ioctl_preallocate+0x210/0x210 [ 94.622699] ? selinux_file_mprotect+0x620/0x620 [ 94.627453] ? __sb_end_write+0xbb/0x110 [ 94.631511] ? vfs_write+0x160/0x560 [ 94.635244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.640775] ? security_file_ioctl+0x93/0xc0 [ 94.645183] ksys_ioctl+0xab/0xd0 [ 94.648633] __x64_sys_ioctl+0x73/0xb0 [ 94.652516] do_syscall_64+0x103/0x610 [ 94.656404] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.661589] RIP: 0033:0x441419 [ 94.664782] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.683678] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.691384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 94.698647] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 94.705910] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 94.713172] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 94.720438] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 94.727715] CPU: 0 PID: 7613 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 94.734654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.735080] FAULT_INJECTION: forcing a failure. [ 94.735080] name failslab, interval 1, probability 0, space 0, times 0 [ 94.744034] Call Trace: [ 94.757781] dump_stack+0x172/0x1f0 [ 94.761406] should_fail.cold+0xa/0x1b [ 94.765286] ? mark_held_locks+0x100/0x100 [ 94.769526] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.774628] __alloc_pages_nodemask+0x1ee/0x760 [ 94.779291] ? __alloc_pages_slowpath+0x2870/0x2870 [ 94.784316] ? lock_downgrade+0x810/0x810 [ 94.788483] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 94.794015] alloc_pages_current+0x107/0x210 [ 94.798418] __get_free_pages+0xc/0x40 [ 94.802296] __tlb_remove_page_size+0x2ee/0x510 [ 94.806968] unmap_page_range+0xeee/0x1e70 [ 94.811206] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 94.815694] ? kasan_check_read+0x11/0x20 [ 94.819842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.825372] ? uprobe_munmap+0xad/0x2b0 [ 94.829338] unmap_single_vma+0x19d/0x300 [ 94.833483] unmap_vmas+0xae/0x180 [ 94.837017] exit_mmap+0x2c2/0x530 [ 94.840550] ? __ia32_sys_munmap+0x80/0x80 [ 94.844781] ? quarantine_put+0x11d/0x1c0 [ 94.848925] ? __khugepaged_exit+0x2da/0x400 [ 94.853418] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.858954] ? __khugepaged_exit+0xcf/0x400 [ 94.863273] mmput+0x15f/0x4c0 [ 94.866568] do_exit+0x838/0x2fa0 [ 94.870020] ? mm_update_next_owner+0x660/0x660 [ 94.874684] ? up_read+0x1a/0x110 [ 94.878132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.883663] ? __do_page_fault+0x484/0xe90 [ 94.887911] do_group_exit+0x135/0x370 [ 94.891797] __x64_sys_exit_group+0x44/0x50 [ 94.896111] do_syscall_64+0x103/0x610 [ 94.899993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.905174] RIP: 0033:0x440068 [ 94.908361] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 94.927255] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 94.934958] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 94.942219] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 94.949481] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 executing program executing program executing program [ 94.956844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.964103] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 94.971381] CPU: 1 PID: 7612 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 94.978323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.984799] FAULT_INJECTION: forcing a failure. [ 94.984799] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.987674] Call Trace: [ 94.987691] dump_stack+0x172/0x1f0 [ 94.987705] should_fail.cold+0xa/0x1b [ 94.987728] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.016204] ? mark_held_locks+0x100/0x100 [ 95.020456] __should_failslab+0x121/0x190 [ 95.024705] should_failslab+0x9/0x14 [ 95.028496] __kmalloc+0x71/0x750 [ 95.031946] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 95.037047] __tty_buffer_request_room+0x1fb/0x5c0 [ 95.041976] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 95.047509] ? do_raw_spin_lock+0xc8/0x240 [ 95.051742] pty_write+0x133/0x200 [ 95.055280] tty_put_char+0x137/0x160 [ 95.059084] ? dev_match_devt+0x90/0x90 [ 95.063053] ? tty_buffer_space_avail+0x5c/0xb0 [ 95.067718] ? pty_write_room+0xc8/0xf0 [ 95.071685] ? pty_stop+0x1b0/0x1b0 [ 95.075313] __process_echoes+0x5c8/0xa40 [ 95.079457] n_tty_receive_buf_common+0xbd6/0x2900 [ 95.084391] ? n_tty_receive_buf2+0x40/0x40 [ 95.088709] n_tty_receive_buf+0x31/0x40 [ 95.092766] tty_ioctl+0xeb1/0x1530 [ 95.096389] ? tty_vhangup+0x30/0x30 [ 95.100100] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.104589] ? proc_cwd_link+0x1d0/0x1d0 [ 95.108651] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 95.113687] ? ___might_sleep+0x163/0x280 [ 95.117831] ? __might_sleep+0x95/0x190 [ 95.121797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.127331] ? tty_vhangup+0x30/0x30 [ 95.131039] do_vfs_ioctl+0xd6e/0x1390 [ 95.134919] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.139408] ? selinux_file_ioctl+0x125/0x5e0 [ 95.143900] ? ioctl_preallocate+0x210/0x210 [ 95.148304] ? selinux_file_mprotect+0x620/0x620 [ 95.153065] ? __sb_end_write+0xbb/0x110 [ 95.157121] ? vfs_write+0x160/0x560 [ 95.160843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.166461] ? security_file_ioctl+0x93/0xc0 [ 95.170867] ksys_ioctl+0xab/0xd0 [ 95.174319] __x64_sys_ioctl+0x73/0xb0 [ 95.178208] do_syscall_64+0x103/0x610 [ 95.182093] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.187272] RIP: 0033:0x441419 [ 95.190468] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.209370] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.217073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 95.224337] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 95.231602] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 95.238865] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.246127] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 95.253404] CPU: 0 PID: 7614 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 95.259149] FAULT_INJECTION: forcing a failure. [ 95.259149] name failslab, interval 1, probability 0, space 0, times 0 [ 95.260343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.280981] Call Trace: [ 95.283564] dump_stack+0x172/0x1f0 [ 95.287189] should_fail.cold+0xa/0x1b [ 95.291071] ? mark_held_locks+0x100/0x100 [ 95.295310] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.300412] __alloc_pages_nodemask+0x1ee/0x760 [ 95.305078] ? __alloc_pages_slowpath+0x2870/0x2870 [ 95.310094] ? lock_downgrade+0x810/0x810 [ 95.314242] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 95.319780] alloc_pages_current+0x107/0x210 [ 95.324186] __get_free_pages+0xc/0x40 [ 95.328067] __tlb_remove_page_size+0x2ee/0x510 [ 95.332732] unmap_page_range+0xeee/0x1e70 [ 95.336969] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 95.341460] ? kasan_check_read+0x11/0x20 [ 95.345619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.351149] ? uprobe_munmap+0xad/0x2b0 [ 95.355117] unmap_single_vma+0x19d/0x300 [ 95.359262] unmap_vmas+0xae/0x180 [ 95.362804] exit_mmap+0x2c2/0x530 [ 95.366338] ? __ia32_sys_munmap+0x80/0x80 [ 95.370568] ? quarantine_put+0x11d/0x1c0 [ 95.374716] ? __khugepaged_exit+0x2da/0x400 [ 95.379119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 95.384650] ? __khugepaged_exit+0xcf/0x400 [ 95.388967] mmput+0x15f/0x4c0 [ 95.392152] do_exit+0x838/0x2fa0 [ 95.395602] ? mm_update_next_owner+0x660/0x660 [ 95.400455] ? up_read+0x1a/0x110 [ 95.403903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.409435] ? __do_page_fault+0x484/0xe90 [ 95.413665] do_group_exit+0x135/0x370 [ 95.417549] __x64_sys_exit_group+0x44/0x50 [ 95.421866] do_syscall_64+0x103/0x610 [ 95.425755] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.430936] RIP: 0033:0x440068 [ 95.434122] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 95.453017] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program [ 95.460720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 95.467983] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 95.475247] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 95.482514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 95.489778] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 95.497056] CPU: 1 PID: 7616 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 95.503995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.508101] FAULT_INJECTION: forcing a failure. [ 95.508101] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.513338] Call Trace: [ 95.513355] dump_stack+0x172/0x1f0 [ 95.513370] should_fail.cold+0xa/0x1b [ 95.513389] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.540313] ? mark_held_locks+0x100/0x100 [ 95.544546] __should_failslab+0x121/0x190 [ 95.548776] should_failslab+0x9/0x14 [ 95.552584] __kmalloc+0x71/0x750 [ 95.556038] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 95.561140] __tty_buffer_request_room+0x1fb/0x5c0 [ 95.566066] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 95.571598] ? do_raw_spin_lock+0xc8/0x240 [ 95.575825] pty_write+0x133/0x200 [ 95.579359] tty_put_char+0x137/0x160 [ 95.583153] ? dev_match_devt+0x90/0x90 [ 95.587125] ? tty_buffer_space_avail+0x5c/0xb0 [ 95.591788] ? pty_write_room+0xc8/0xf0 [ 95.595754] ? pty_stop+0x1b0/0x1b0 [ 95.599385] __process_echoes+0x5c8/0xa40 [ 95.603527] n_tty_receive_buf_common+0xbd6/0x2900 [ 95.608459] ? n_tty_receive_buf2+0x40/0x40 [ 95.612772] n_tty_receive_buf+0x31/0x40 [ 95.616829] tty_ioctl+0xeb1/0x1530 [ 95.620450] ? tty_vhangup+0x30/0x30 [ 95.624156] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.628648] ? proc_cwd_link+0x1d0/0x1d0 [ 95.632708] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 95.637722] ? ___might_sleep+0x163/0x280 [ 95.641867] ? __might_sleep+0x95/0x190 [ 95.645832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.651369] ? tty_vhangup+0x30/0x30 [ 95.655080] do_vfs_ioctl+0xd6e/0x1390 [ 95.658963] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.663452] ? selinux_file_ioctl+0x125/0x5e0 [ 95.667944] ? ioctl_preallocate+0x210/0x210 [ 95.672350] ? selinux_file_mprotect+0x620/0x620 [ 95.677102] ? __sb_end_write+0xbb/0x110 [ 95.681245] ? vfs_write+0x160/0x560 [ 95.684965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.690499] ? security_file_ioctl+0x93/0xc0 [ 95.694903] ksys_ioctl+0xab/0xd0 [ 95.698356] __x64_sys_ioctl+0x73/0xb0 [ 95.702241] do_syscall_64+0x103/0x610 [ 95.706130] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.711313] RIP: 0033:0x441419 [ 95.714502] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.733395] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.741097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 95.748362] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 95.755632] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 95.762896] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.770252] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 95.777530] CPU: 0 PID: 7615 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 95.784549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.791392] FAULT_INJECTION: forcing a failure. [ 95.791392] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.793899] Call Trace: [ 95.793916] dump_stack+0x172/0x1f0 [ 95.793933] should_fail.cold+0xa/0x1b [ 95.793953] ? mark_held_locks+0x100/0x100 [ 95.819995] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.825100] __alloc_pages_nodemask+0x1ee/0x760 [ 95.829762] ? __alloc_pages_slowpath+0x2870/0x2870 [ 95.834776] ? lock_downgrade+0x810/0x810 [ 95.838944] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 95.844479] alloc_pages_current+0x107/0x210 [ 95.850402] __get_free_pages+0xc/0x40 [ 95.854283] __tlb_remove_page_size+0x2ee/0x510 [ 95.858944] unmap_page_range+0xeee/0x1e70 [ 95.863275] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 95.867761] ? kasan_check_read+0x11/0x20 [ 95.871909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.877451] ? uprobe_munmap+0xad/0x2b0 [ 95.881418] unmap_single_vma+0x19d/0x300 [ 95.885561] unmap_vmas+0xae/0x180 [ 95.889096] exit_mmap+0x2c2/0x530 [ 95.892633] ? __ia32_sys_munmap+0x80/0x80 [ 95.896869] ? quarantine_put+0x11d/0x1c0 [ 95.901014] ? __khugepaged_exit+0x2da/0x400 [ 95.905423] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 95.910979] ? __khugepaged_exit+0xcf/0x400 [ 95.918441] mmput+0x15f/0x4c0 [ 95.921898] do_exit+0x838/0x2fa0 [ 95.925377] ? mm_update_next_owner+0x660/0x660 [ 95.930039] ? up_read+0x1a/0x110 [ 95.933490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.939024] ? __do_page_fault+0x484/0xe90 [ 95.943267] do_group_exit+0x135/0x370 [ 95.947148] __x64_sys_exit_group+0x44/0x50 [ 95.951461] do_syscall_64+0x103/0x610 [ 95.955367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.960549] RIP: 0033:0x440068 [ 95.963741] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 95.982741] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 95.990449] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 95.997710] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 96.004976] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 executing program executing program [ 96.012246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.019512] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 96.026795] CPU: 1 PID: 7617 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 96.030849] FAULT_INJECTION: forcing a failure. [ 96.030849] name failslab, interval 1, probability 0, space 0, times 0 [ 96.033736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.054245] Call Trace: [ 96.056829] dump_stack+0x172/0x1f0 [ 96.060454] should_fail.cold+0xa/0x1b [ 96.064336] ? mark_held_locks+0x100/0x100 [ 96.068566] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.073668] __alloc_pages_nodemask+0x1ee/0x760 [ 96.078331] ? __alloc_pages_slowpath+0x2870/0x2870 [ 96.083346] ? lock_downgrade+0x810/0x810 [ 96.087492] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 96.093028] alloc_pages_current+0x107/0x210 [ 96.097434] __get_free_pages+0xc/0x40 [ 96.101314] __tlb_remove_page_size+0x2ee/0x510 [ 96.105974] unmap_page_range+0xeee/0x1e70 [ 96.110210] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 96.114701] ? kasan_check_read+0x11/0x20 [ 96.118844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.124377] ? uprobe_munmap+0xad/0x2b0 [ 96.128344] unmap_single_vma+0x19d/0x300 [ 96.132486] unmap_vmas+0xae/0x180 [ 96.136024] exit_mmap+0x2c2/0x530 [ 96.139646] ? __ia32_sys_munmap+0x80/0x80 [ 96.143877] ? quarantine_put+0x11d/0x1c0 [ 96.148032] ? __khugepaged_exit+0x2da/0x400 [ 96.152434] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 96.157966] ? __khugepaged_exit+0xcf/0x400 [ 96.162282] mmput+0x15f/0x4c0 [ 96.165484] do_exit+0x838/0x2fa0 [ 96.168934] ? mm_update_next_owner+0x660/0x660 [ 96.173596] ? up_read+0x1a/0x110 [ 96.177051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.182584] ? __do_page_fault+0x484/0xe90 [ 96.186819] do_group_exit+0x135/0x370 [ 96.190698] __x64_sys_exit_group+0x44/0x50 [ 96.195016] do_syscall_64+0x103/0x610 [ 96.198898] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.204080] RIP: 0033:0x440068 [ 96.207264] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 96.226172] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 96.233872] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 96.241138] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 96.248402] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 96.255664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.262927] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 96.270206] CPU: 0 PID: 7618 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 96.277142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.281077] FAULT_INJECTION: forcing a failure. [ 96.281077] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 96.286490] Call Trace: [ 96.286508] dump_stack+0x172/0x1f0 [ 96.286531] should_fail.cold+0xa/0x1b [ 96.308349] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.313448] ? mark_held_locks+0x100/0x100 [ 96.317680] __should_failslab+0x121/0x190 [ 96.321911] should_failslab+0x9/0x14 [ 96.325706] __kmalloc+0x71/0x750 [ 96.329158] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 96.334345] __tty_buffer_request_room+0x1fb/0x5c0 [ 96.339273] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 96.344809] ? do_raw_spin_lock+0xc8/0x240 [ 96.349042] pty_write+0x133/0x200 [ 96.352582] tty_put_char+0x137/0x160 [ 96.356377] ? dev_match_devt+0x90/0x90 [ 96.360343] ? tty_buffer_space_avail+0x5c/0xb0 [ 96.365008] ? pty_write_room+0xc8/0xf0 [ 96.368973] ? pty_stop+0x1b0/0x1b0 [ 96.372684] __process_echoes+0x5c8/0xa40 [ 96.376927] n_tty_receive_buf_common+0xbd6/0x2900 [ 96.381861] ? n_tty_receive_buf2+0x40/0x40 [ 96.386176] n_tty_receive_buf+0x31/0x40 [ 96.390243] tty_ioctl+0xeb1/0x1530 [ 96.393865] ? tty_vhangup+0x30/0x30 [ 96.397575] ? proc_fail_nth_write+0x9d/0x1e0 [ 96.402065] ? proc_cwd_link+0x1d0/0x1d0 [ 96.406124] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 96.411136] ? ___might_sleep+0x163/0x280 [ 96.415281] ? __might_sleep+0x95/0x190 [ 96.419253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.424790] ? tty_vhangup+0x30/0x30 [ 96.428502] do_vfs_ioctl+0xd6e/0x1390 [ 96.432483] ? selinux_file_ioctl+0x46f/0x5e0 [ 96.436971] ? selinux_file_ioctl+0x125/0x5e0 [ 96.441464] ? ioctl_preallocate+0x210/0x210 [ 96.445867] ? selinux_file_mprotect+0x620/0x620 [ 96.450619] ? __sb_end_write+0xbb/0x110 [ 96.454678] ? vfs_write+0x160/0x560 [ 96.458390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.463923] ? security_file_ioctl+0x93/0xc0 [ 96.468326] ksys_ioctl+0xab/0xd0 [ 96.471776] __x64_sys_ioctl+0x73/0xb0 [ 96.475661] do_syscall_64+0x103/0x610 [ 96.479548] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.484728] RIP: 0033:0x441419 [ 96.487914] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.506822] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program executing program executing program [ 96.514528] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 96.521802] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 96.529068] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 96.536332] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 96.543595] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 96.550878] CPU: 1 PID: 7619 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 96.557818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.561977] FAULT_INJECTION: forcing a failure. [ 96.561977] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 96.567204] Call Trace: [ 96.567226] dump_stack+0x172/0x1f0 [ 96.567247] should_fail.cold+0xa/0x1b [ 96.567269] ? mark_held_locks+0x100/0x100 [ 96.593312] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.598414] __alloc_pages_nodemask+0x1ee/0x760 [ 96.603080] ? __alloc_pages_slowpath+0x2870/0x2870 [ 96.608184] ? lock_downgrade+0x810/0x810 [ 96.612336] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 96.617870] alloc_pages_current+0x107/0x210 [ 96.622274] __get_free_pages+0xc/0x40 [ 96.626158] __tlb_remove_page_size+0x2ee/0x510 [ 96.630824] unmap_page_range+0xeee/0x1e70 [ 96.635062] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 96.639553] ? kasan_check_read+0x11/0x20 [ 96.643697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.649228] ? uprobe_munmap+0xad/0x2b0 [ 96.653204] unmap_single_vma+0x19d/0x300 [ 96.657348] unmap_vmas+0xae/0x180 [ 96.660883] exit_mmap+0x2c2/0x530 [ 96.664424] ? __ia32_sys_munmap+0x80/0x80 [ 96.668657] ? quarantine_put+0x11d/0x1c0 [ 96.672801] ? __khugepaged_exit+0x2da/0x400 [ 96.677216] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 96.682747] ? __khugepaged_exit+0xcf/0x400 [ 96.687064] mmput+0x15f/0x4c0 [ 96.690251] do_exit+0x838/0x2fa0 [ 96.693702] ? mm_update_next_owner+0x660/0x660 [ 96.698366] ? up_read+0x1a/0x110 [ 96.701815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.707349] ? __do_page_fault+0x484/0xe90 [ 96.711580] do_group_exit+0x135/0x370 [ 96.715463] __x64_sys_exit_group+0x44/0x50 [ 96.719780] do_syscall_64+0x103/0x610 [ 96.723662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.728844] RIP: 0033:0x440068 [ 96.732030] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 96.750922] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 96.758624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 96.765887] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 96.773148] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 96.780413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.787676] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 96.794954] CPU: 0 PID: 7621 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 96.801809] FAULT_INJECTION: forcing a failure. [ 96.801809] name failslab, interval 1, probability 0, space 0, times 0 [ 96.801979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.822484] Call Trace: [ 96.825069] dump_stack+0x172/0x1f0 [ 96.828695] should_fail.cold+0xa/0x1b [ 96.832579] ? mark_held_locks+0x100/0x100 [ 96.836811] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.841921] __alloc_pages_nodemask+0x1ee/0x760 [ 96.846584] ? __alloc_pages_slowpath+0x2870/0x2870 [ 96.851605] ? lock_downgrade+0x810/0x810 [ 96.855753] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 96.861287] alloc_pages_current+0x107/0x210 [ 96.865692] __get_free_pages+0xc/0x40 [ 96.869574] __tlb_remove_page_size+0x2ee/0x510 [ 96.874245] unmap_page_range+0xeee/0x1e70 [ 96.878481] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 96.882970] ? kasan_check_read+0x11/0x20 [ 96.887117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.892654] ? uprobe_munmap+0xad/0x2b0 [ 96.896629] unmap_single_vma+0x19d/0x300 [ 96.900773] unmap_vmas+0xae/0x180 [ 96.904309] exit_mmap+0x2c2/0x530 [ 96.907851] ? __ia32_sys_munmap+0x80/0x80 [ 96.912080] ? quarantine_put+0x11d/0x1c0 [ 96.916226] ? __khugepaged_exit+0x2da/0x400 [ 96.920629] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 96.926158] ? __khugepaged_exit+0xcf/0x400 [ 96.930482] mmput+0x15f/0x4c0 [ 96.933670] do_exit+0x838/0x2fa0 [ 96.937117] ? mm_update_next_owner+0x660/0x660 [ 96.941777] ? up_read+0x1a/0x110 [ 96.945226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.950759] ? __do_page_fault+0x484/0xe90 [ 96.954992] do_group_exit+0x135/0x370 [ 96.958876] __x64_sys_exit_group+0x44/0x50 [ 96.963206] do_syscall_64+0x103/0x610 [ 96.967092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.972271] RIP: 0033:0x440068 [ 96.975466] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 96.994377] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.002082] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 97.009347] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 executing program [ 97.017922] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 97.025194] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 97.032456] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 97.040777] CPU: 1 PID: 7622 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 97.047713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.051189] FAULT_INJECTION: forcing a failure. [ 97.051189] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 97.057063] Call Trace: [ 97.057082] dump_stack+0x172/0x1f0 [ 97.057102] should_fail.cold+0xa/0x1b [ 97.057123] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.084047] ? mark_held_locks+0x100/0x100 [ 97.088280] __should_failslab+0x121/0x190 [ 97.092511] should_failslab+0x9/0x14 [ 97.096301] __kmalloc+0x71/0x750 [ 97.099753] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 97.104860] __tty_buffer_request_room+0x1fb/0x5c0 [ 97.109789] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 97.115318] ? do_raw_spin_lock+0xc8/0x240 [ 97.119551] pty_write+0x133/0x200 [ 97.123090] tty_put_char+0x137/0x160 [ 97.126885] ? dev_match_devt+0x90/0x90 [ 97.130855] ? tty_buffer_space_avail+0x5c/0xb0 [ 97.135520] ? pty_write_room+0xc8/0xf0 [ 97.139488] ? pty_stop+0x1b0/0x1b0 [ 97.143113] __process_echoes+0x5c8/0xa40 [ 97.147258] n_tty_receive_buf_common+0xbd6/0x2900 [ 97.152194] ? n_tty_receive_buf2+0x40/0x40 [ 97.156510] n_tty_receive_buf+0x31/0x40 [ 97.160566] tty_ioctl+0xeb1/0x1530 [ 97.164197] ? tty_vhangup+0x30/0x30 [ 97.167907] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.172393] ? proc_cwd_link+0x1d0/0x1d0 [ 97.176449] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 97.181462] ? ___might_sleep+0x163/0x280 [ 97.185604] ? __might_sleep+0x95/0x190 [ 97.189573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.195110] ? tty_vhangup+0x30/0x30 [ 97.198821] do_vfs_ioctl+0xd6e/0x1390 [ 97.202704] ? selinux_file_ioctl+0x46f/0x5e0 [ 97.207193] ? selinux_file_ioctl+0x125/0x5e0 [ 97.211684] ? ioctl_preallocate+0x210/0x210 [ 97.216089] ? selinux_file_mprotect+0x620/0x620 [ 97.220840] ? __sb_end_write+0xbb/0x110 [ 97.224891] ? vfs_write+0x160/0x560 [ 97.228606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.234140] ? security_file_ioctl+0x93/0xc0 [ 97.238551] ksys_ioctl+0xab/0xd0 [ 97.242000] __x64_sys_ioctl+0x73/0xb0 [ 97.245888] do_syscall_64+0x103/0x610 [ 97.249772] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.254953] RIP: 0033:0x441419 [ 97.258139] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.277040] RSP: 002b:00007ffc99556e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.284767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 97.292031] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 97.299294] RBP: 00007ffc99556e40 R08: 0000000000000001 R09: 0000000000000000 [ 97.306556] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 97.313819] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 97.321097] CPU: 0 PID: 7620 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 97.325923] FAULT_INJECTION: forcing a failure. [ 97.325923] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 97.328023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.328027] Call Trace: [ 97.328045] dump_stack+0x172/0x1f0 [ 97.328061] should_fail.cold+0xa/0x1b [ 97.328075] ? mark_held_locks+0x100/0x100 [ 97.328089] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.328105] __alloc_pages_nodemask+0x1ee/0x760 [ 97.328123] ? __alloc_pages_slowpath+0x2870/0x2870 [ 97.378310] ? lock_downgrade+0x810/0x810 [ 97.382458] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 97.387993] alloc_pages_current+0x107/0x210 [ 97.392394] __get_free_pages+0xc/0x40 [ 97.396273] __tlb_remove_page_size+0x2ee/0x510 [ 97.400937] unmap_page_range+0xeee/0x1e70 [ 97.405181] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 97.409668] ? kasan_check_read+0x11/0x20 [ 97.413813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.419343] ? uprobe_munmap+0xad/0x2b0 [ 97.423313] unmap_single_vma+0x19d/0x300 [ 97.427455] unmap_vmas+0xae/0x180 [ 97.430992] exit_mmap+0x2c2/0x530 [ 97.434529] ? __ia32_sys_munmap+0x80/0x80 [ 97.438763] ? quarantine_put+0x11d/0x1c0 [ 97.442906] ? __khugepaged_exit+0x2da/0x400 [ 97.447312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 97.452842] ? __khugepaged_exit+0xcf/0x400 [ 97.457167] mmput+0x15f/0x4c0 [ 97.460354] do_exit+0x838/0x2fa0 [ 97.463806] ? mm_update_next_owner+0x660/0x660 [ 97.468465] ? up_read+0x1a/0x110 [ 97.471912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.477445] ? __do_page_fault+0x484/0xe90 [ 97.481679] do_group_exit+0x135/0x370 [ 97.485566] __x64_sys_exit_group+0x44/0x50 [ 97.490056] do_syscall_64+0x103/0x610 [ 97.493941] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.499121] RIP: 0033:0x440068 [ 97.502312] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 executing program executing program [ 97.521205] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.528903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 97.536162] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 97.543424] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 97.550700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 97.557961] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 97.565238] CPU: 1 PID: 7623 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 97.572173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.573326] FAULT_INJECTION: forcing a failure. [ 97.573326] name failslab, interval 1, probability 0, space 0, times 0 [ 97.581534] Call Trace: [ 97.595284] dump_stack+0x172/0x1f0 [ 97.598906] should_fail.cold+0xa/0x1b [ 97.602788] ? mark_held_locks+0x100/0x100 [ 97.607016] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.612115] __alloc_pages_nodemask+0x1ee/0x760 [ 97.616787] ? __alloc_pages_slowpath+0x2870/0x2870 [ 97.621797] ? lock_downgrade+0x810/0x810 [ 97.625942] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 97.631475] alloc_pages_current+0x107/0x210 [ 97.635878] __get_free_pages+0xc/0x40 [ 97.639757] __tlb_remove_page_size+0x2ee/0x510 [ 97.644423] unmap_page_range+0xeee/0x1e70 [ 97.648661] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 97.653155] ? kasan_check_read+0x11/0x20 [ 97.657300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.662830] ? uprobe_munmap+0xad/0x2b0 [ 97.666801] unmap_single_vma+0x19d/0x300 [ 97.670944] unmap_vmas+0xae/0x180 [ 97.674480] exit_mmap+0x2c2/0x530 [ 97.678012] ? __ia32_sys_munmap+0x80/0x80 [ 97.682242] ? quarantine_put+0x11d/0x1c0 [ 97.686387] ? __khugepaged_exit+0x2da/0x400 [ 97.690789] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 97.696317] ? __khugepaged_exit+0xcf/0x400 [ 97.700635] mmput+0x15f/0x4c0 [ 97.703820] do_exit+0x838/0x2fa0 [ 97.707278] ? mm_update_next_owner+0x660/0x660 [ 97.711939] ? up_read+0x1a/0x110 [ 97.715384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.720916] ? __do_page_fault+0x484/0xe90 [ 97.725154] do_group_exit+0x135/0x370 [ 97.729035] __x64_sys_exit_group+0x44/0x50 [ 97.733357] do_syscall_64+0x103/0x610 [ 97.737240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.742418] RIP: 0033:0x440068 [ 97.745604] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 97.764496] RSP: 002b:00007ffc99556de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program [ 97.772198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440068 [ 97.779458] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 97.786720] RBP: 00000000004bfcd0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 97.793978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 97.801257] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 97.808536] CPU: 0 PID: 7624 Comm: syz-executor157 Not tainted 4.19.34 #2 [ 97.815469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.823711] FAULT_INJECTION: forcing a failure. [ 97.823711] name failslab, interval 1, probability 0, space 0, times 0 [ 97.824822] Call Trace: [ 97.838570] dump_stack+0x172/0x1f0 [ 97.842192] should_fail.cold+0xa/0x1b [ 97.847583] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.852682] ? mark_held_locks+0x100/0x100 [ 97.856915] __should_failslab+0x121/0x190 [ 97.861151] should_failslab+0x9/0x14 [ 97.864943] __kmalloc+0x71/0x750 [ 97.868395] ? __tty_buffer_request_room+0x1fb/0x5c0 [ 97.873495] __tty_buffer_request_room+0x1fb/0x5c0 [ 97.878421] tty_insert_flip_string_fixed_flag+0x93/0x1f0 [ 97.883953] ? do_raw_spin_lock+0xc8/0x240 [ 97.888186] pty_write+0x133/0x200 [ 97.891719] tty_put_char+0x137/0x160 [ 97.895512] ? dev_match_devt+0x90/0x90 [ 97.899481] ? tty_buffer_space_avail+0x5c/0xb0 [ 97.904149] ? pty_write_room+0xc8/0xf0 [ 97.908121] ? pty_stop+0x1b0/0x1b0 [ 97.911742] __process_echoes+0x5c8/0xa40 [ 97.915887] n_tty_receive_buf_common+0xbd6/0x2900 [ 97.920816] ? n_tty_receive_buf2+0x40/0x40 [ 97.925137] n_tty_receive_buf+0x31/0x40 [ 97.929280] tty_ioctl+0xeb1/0x1530 [ 97.932903] ? tty_vhangup+0x30/0x30 [ 97.936619] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.941108] ? proc_cwd_link+0x1d0/0x1d0 [ 97.945175] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 97.950188] ? ___might_sleep+0x163/0x280 [ 97.954338] ? __might_sleep+0x95/0x190 [ 97.958304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.963834] ? tty_vhangup+0x30/0x30 [ 97.967549] do_vfs_ioctl+0xd6e/0x1390 [ 97.971429] ? selinux_file_ioctl+0x46f/0x5e0