[ 4.611337][ T777] dhcpcd-run-hook (777) used greatest stack depth: 10840 bytes left forked to background, child pid 749 [ 4.735060][ T750] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 32.266213][ T912] cgroup: Unknown subsys name 'net' [ 32.356441][ T912] cgroup: Unknown subsys name 'rlimit' Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts. 2023/09/21 23:23:40 ignoring optional flag "sandboxArg"="0" 2023/09/21 23:23:40 parsed 1 programs 2023/09/21 23:23:40 executed programs: 0 [ 58.387464][ T3899] FAULT_INJECTION: forcing a failure. [ 58.387464][ T3899] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 58.400726][ T3899] CPU: 1 PID: 3899 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 58.409650][ T3899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 58.420114][ T3899] Call Trace: [ 58.423545][ T3899] [ 58.426590][ T3899] dump_stack_lvl+0x7f/0xc2 [ 58.431063][ T3899] should_fail_ex+0x131/0x140 [ 58.435965][ T3899] _copy_from_user+0x15/0x70 [ 58.440520][ T3899] kstrtouint_from_user+0x82/0xd0 [ 58.445683][ T3899] proc_fail_nth_write+0x35/0xc0 [ 58.451030][ T3899] vfs_write+0x150/0x3e0 [ 58.455248][ T3899] ksys_write+0x6c/0xd0 [ 58.459378][ T3899] do_syscall_64+0x3d/0x80 [ 58.464117][ T3899] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.469989][ T3899] RIP: 0033:0x7fec8447b7af [ 58.474371][ T3899] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 58.494030][ T3899] RSP: 002b:00007fec851da0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 58.502838][ T3899] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 58.511220][ T3899] RDX: 0000000000000001 RSI: 00007fec851da130 RDI: 0000000000000004 [ 58.519162][ T3899] RBP: 00007fec851da120 R08: 0000000000000000 R09: 0000000000000000 [ 58.527109][ T3899] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 58.535067][ T3899] R13: 0000000000000006 R14: 00007fec8459bf80 R15: 00007fffb8700d48 [ 58.543190][ T3899] [ 58.546200][ C1] vkms_vblank_simulate: vblank timer overrun [ 58.587544][ T3913] FAULT_INJECTION: forcing a failure. [ 58.587544][ T3913] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.602810][ T3913] CPU: 0 PID: 3913 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 58.611289][ T3913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 58.621635][ T3913] Call Trace: [ 58.624999][ T3913] [ 58.628003][ T3913] dump_stack_lvl+0x7f/0xc2 [ 58.632748][ T3913] should_fail_ex+0x131/0x140 [ 58.637579][ T3913] _copy_from_user+0x15/0x70 [ 58.642159][ T3913] kstrtouint_from_user+0x82/0xd0 [ 58.647253][ T3913] proc_fail_nth_write+0x35/0xc0 [ 58.652185][ T3913] vfs_write+0x150/0x3e0 [ 58.656584][ T3913] ksys_write+0x6c/0xd0 [ 58.660726][ T3913] do_syscall_64+0x3d/0x80 [ 58.665137][ T3913] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.670829][ T3938] FAULT_INJECTION: forcing a failure. [ 58.670829][ T3938] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.671120][ T3913] RIP: 0033:0x7fcadc27b7af [ 58.688946][ T3913] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 58.709839][ T3913] RSP: 002b:00007fcadcf360c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 58.718240][ T3913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 58.727057][ T3913] RDX: 0000000000000001 RSI: 00007fcadcf36130 RDI: 0000000000000004 [ 58.735172][ T3913] RBP: 00007fcadcf36120 R08: 0000000000000000 R09: 0000000000000000 [ 58.743111][ T3913] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 58.751064][ T3913] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 58.759106][ T3913] [ 58.762107][ T3938] CPU: 1 PID: 3938 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 58.770507][ T3938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 58.780672][ T3938] Call Trace: [ 58.783938][ T3938] [ 58.786852][ T3938] dump_stack_lvl+0x7f/0xc2 [ 58.791338][ T3938] should_fail_ex+0x131/0x140 [ 58.796094][ T3938] _copy_from_user+0x15/0x70 [ 58.800696][ T3938] kstrtouint_from_user+0x82/0xd0 [ 58.805793][ T3938] proc_fail_nth_write+0x35/0xc0 [ 58.811074][ T3938] vfs_write+0x150/0x3e0 [ 58.815484][ T3938] ksys_write+0x6c/0xd0 [ 58.820239][ T3938] do_syscall_64+0x3d/0x80 [ 58.824634][ T3938] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.830548][ T3938] RIP: 0033:0x7f192ec7b7af [ 58.835122][ T3938] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 58.855478][ T3938] RSP: 002b:00007f192fa490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 58.863941][ T3938] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 58.871901][ T3938] RDX: 0000000000000001 RSI: 00007f192fa49130 RDI: 0000000000000004 [ 58.879846][ T3938] RBP: 00007f192fa49120 R08: 0000000000000000 R09: 0000000000000000 [ 58.887957][ T3938] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 58.895897][ T3938] R13: 0000000000000006 R14: 00007f192ed9bf80 R15: 00007ffc7e506f28 [ 58.903930][ T3938] [ 58.907129][ C1] vkms_vblank_simulate: vblank timer overrun [ 58.914052][ T3947] FAULT_INJECTION: forcing a failure. [ 58.914052][ T3947] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.927954][ T3947] CPU: 0 PID: 3947 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 58.936448][ T3947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 58.946697][ T3947] Call Trace: [ 58.949956][ T3947] [ 58.952947][ T3947] dump_stack_lvl+0x7f/0xc2 [ 58.954231][ T3951] FAULT_INJECTION: forcing a failure. [ 58.954231][ T3951] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.957421][ T3947] should_fail_ex+0x131/0x140 [ 58.957428][ T3947] _copy_from_user+0x15/0x70 [ 58.957433][ T3947] kstrtouint_from_user+0x82/0xd0 [ 58.957439][ T3947] proc_fail_nth_write+0x35/0xc0 [ 58.957445][ T3947] vfs_write+0x150/0x3e0 [ 58.994724][ T3947] ksys_write+0x6c/0xd0 [ 58.999042][ T3947] do_syscall_64+0x3d/0x80 [ 59.003547][ T3947] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.009408][ T3947] RIP: 0033:0x7efd0747b7af [ 59.013794][ T3947] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.033626][ T3947] RSP: 002b:00007efd0820a0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.042182][ T3947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 59.050208][ T3947] RDX: 0000000000000001 RSI: 00007efd0820a130 RDI: 0000000000000004 [ 59.058415][ T3947] RBP: 00007efd0820a120 R08: 0000000000000000 R09: 0000000000000000 [ 59.066701][ T3947] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.074899][ T3947] R13: 000000000000006e R14: 00007efd0759c050 R15: 00007ffcbc93b2d8 [ 59.083152][ T3947] 2023/09/21 23:23:47 executed programs: 6 [ 59.088762][ T3951] CPU: 1 PID: 3951 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 59.098936][ T3951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.109287][ T3951] Call Trace: [ 59.112921][ T3951] [ 59.115841][ T3951] dump_stack_lvl+0x7f/0xc2 [ 59.120355][ T3951] should_fail_ex+0x131/0x140 [ 59.125173][ T3951] _copy_from_user+0x15/0x70 [ 59.129757][ T3951] kstrtouint_from_user+0x82/0xd0 [ 59.134846][ T3951] proc_fail_nth_write+0x35/0xc0 [ 59.139844][ T3951] vfs_write+0x150/0x3e0 [ 59.144154][ T3951] ksys_write+0x6c/0xd0 [ 59.148398][ T3951] do_syscall_64+0x3d/0x80 [ 59.153130][ T3951] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.159252][ T3951] RIP: 0033:0x7fcadc27b7af [ 59.163735][ T3951] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.183664][ T3951] RSP: 002b:00007fcadcf360c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.192273][ T3951] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 59.200217][ T3951] RDX: 0000000000000001 RSI: 00007fcadcf36130 RDI: 0000000000000004 [ 59.208338][ T3951] RBP: 00007fcadcf36120 R08: 0000000000000000 R09: 0000000000000000 [ 59.216285][ T3951] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.224228][ T3951] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 59.232257][ T3951] [ 59.235446][ C1] vkms_vblank_simulate: vblank timer overrun [ 59.242027][ T3953] FAULT_INJECTION: forcing a failure. [ 59.242027][ T3953] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.254306][ T3939] FAULT_INJECTION: forcing a failure. [ 59.254306][ T3939] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.255760][ T3953] CPU: 0 PID: 3953 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 59.277932][ T3953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.288047][ T3953] Call Trace: [ 59.291308][ T3953] [ 59.294221][ T3953] dump_stack_lvl+0x7f/0xc2 [ 59.298972][ T3953] should_fail_ex+0x131/0x140 [ 59.303789][ T3953] _copy_from_user+0x15/0x70 [ 59.310523][ T3953] kstrtouint_from_user+0x82/0xd0 [ 59.315519][ T3953] proc_fail_nth_write+0x35/0xc0 [ 59.320688][ T3953] vfs_write+0x150/0x3e0 [ 59.325069][ T3953] ksys_write+0x6c/0xd0 [ 59.329276][ T3953] do_syscall_64+0x3d/0x80 [ 59.333928][ T3953] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.340052][ T3953] RIP: 0033:0x7fec8447b7af [ 59.344790][ T3953] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.365842][ T3953] RSP: 002b:00007fec851b90c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.374849][ T3953] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 59.383055][ T3953] RDX: 0000000000000001 RSI: 00007fec851b9130 RDI: 0000000000000004 [ 59.391083][ T3953] RBP: 00007fec851b9120 R08: 0000000000000000 R09: 0000000000000000 [ 59.399048][ T3953] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.407284][ T3953] R13: 000000000000006e R14: 00007fec8459c050 R15: 00007fffb8700d48 [ 59.415587][ T3953] [ 59.418581][ T3939] CPU: 1 PID: 3939 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 59.426986][ T3939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.437166][ T3939] Call Trace: [ 59.440443][ T3939] [ 59.443364][ T3939] dump_stack_lvl+0x7f/0xc2 [ 59.448119][ T3939] should_fail_ex+0x131/0x140 [ 59.452872][ T3939] _copy_from_user+0x15/0x70 [ 59.457844][ T3939] kstrtouint_from_user+0x82/0xd0 [ 59.463134][ T3939] proc_fail_nth_write+0x35/0xc0 [ 59.468221][ T3939] vfs_write+0x150/0x3e0 [ 59.472461][ T3939] ksys_write+0x6c/0xd0 [ 59.476599][ T3939] do_syscall_64+0x3d/0x80 [ 59.480985][ T3939] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.487103][ T3939] RIP: 0033:0x7f86cd27b7af [ 59.491487][ T3939] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.511404][ T3939] RSP: 002b:00007f86ce0220c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.520067][ T3939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 59.528205][ T3939] RDX: 0000000000000001 RSI: 00007f86ce022130 RDI: 0000000000000004 [ 59.536244][ T3939] RBP: 00007f86ce022120 R08: 0000000000000000 R09: 0000000000000000 [ 59.544574][ T3939] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.553235][ T3939] R13: 0000000000000006 R14: 00007f86cd39bf80 R15: 00007ffc4e959b48 [ 59.562161][ T3939] [ 59.565640][ C1] vkms_vblank_simulate: vblank timer overrun [ 59.572488][ T3964] FAULT_INJECTION: forcing a failure. [ 59.572488][ T3964] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.585586][ T3964] CPU: 0 PID: 3964 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 59.594080][ T3964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.604635][ T3964] Call Trace: [ 59.607904][ T3964] [ 59.610814][ T3964] dump_stack_lvl+0x7f/0xc2 [ 59.616022][ T3964] should_fail_ex+0x131/0x140 [ 59.620935][ T3964] _copy_from_user+0x15/0x70 [ 59.626041][ T3964] kstrtouint_from_user+0x82/0xd0 [ 59.626569][ T3969] FAULT_INJECTION: forcing a failure. [ 59.626569][ T3969] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.631135][ T3964] proc_fail_nth_write+0x35/0xc0 [ 59.631149][ T3964] vfs_write+0x150/0x3e0 [ 59.631154][ T3964] ksys_write+0x6c/0xd0 [ 59.631158][ T3964] do_syscall_64+0x3d/0x80 [ 59.631165][ T3964] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.631172][ T3964] RIP: 0033:0x7fedc787b7af [ 59.674996][ T3964] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.695456][ T3964] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.704060][ T3964] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 59.714210][ T3964] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000003 [ 59.722520][ T3964] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 59.730469][ T3964] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.738736][ T3964] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 [ 59.750849][ T3964] [ 59.753943][ T3969] CPU: 1 PID: 3969 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 59.754584][ T3967] FAULT_INJECTION: forcing a failure. [ 59.754584][ T3967] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.762421][ T3969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.762425][ T3969] Call Trace: [ 59.762427][ T3969] [ 59.762429][ T3969] dump_stack_lvl+0x7f/0xc2 [ 59.762440][ T3969] should_fail_ex+0x131/0x140 [ 59.762445][ T3969] _copy_from_user+0x15/0x70 [ 59.762450][ T3969] kstrtouint_from_user+0x82/0xd0 [ 59.813415][ T3969] proc_fail_nth_write+0x35/0xc0 [ 59.818885][ T3969] vfs_write+0x150/0x3e0 [ 59.823430][ T3969] ksys_write+0x6c/0xd0 [ 59.827563][ T3969] do_syscall_64+0x3d/0x80 [ 59.832008][ T3969] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.837884][ T3969] RIP: 0033:0x7efd0747b7af [ 59.842295][ T3969] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 59.862996][ T3969] RSP: 002b:00007efd0820a0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 59.871468][ T3969] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 59.879419][ T3969] RDX: 0000000000000001 RSI: 00007efd0820a130 RDI: 0000000000000004 [ 59.887975][ T3969] RBP: 00007efd0820a120 R08: 0000000000000000 R09: 0000000000000000 [ 59.895913][ T3969] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 59.903873][ T3969] R13: 000000000000006e R14: 00007efd0759c050 R15: 00007ffcbc93b2d8 [ 59.912085][ T3969] [ 59.915077][ T3967] CPU: 0 PID: 3967 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 59.915094][ C1] vkms_vblank_simulate: vblank timer overrun [ 59.923391][ T3967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 59.939783][ T3967] Call Trace: [ 59.943136][ T3967] [ 59.946217][ T3967] dump_stack_lvl+0x7f/0xc2 [ 59.950866][ T3967] should_fail_ex+0x131/0x140 [ 59.955683][ T3967] _copy_from_user+0x15/0x70 [ 59.960504][ T3967] kstrtouint_from_user+0x82/0xd0 [ 59.965494][ T3967] proc_fail_nth_write+0x35/0xc0 [ 59.970572][ T3967] vfs_write+0x150/0x3e0 [ 59.974785][ T3967] ksys_write+0x6c/0xd0 [ 59.979675][ T3967] do_syscall_64+0x3d/0x80 [ 59.984530][ T3967] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.990653][ T3967] RIP: 0033:0x7fec8447b7af [ 59.995122][ T3967] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.016256][ T3967] RSP: 002b:00007fec851b90c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.025248][ T3967] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 60.033362][ T3967] RDX: 0000000000000001 RSI: 00007fec851b9130 RDI: 0000000000000004 [ 60.041498][ T3967] RBP: 00007fec851b9120 R08: 0000000000000000 R09: 0000000000000000 [ 60.049546][ T3967] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.058197][ T3967] R13: 000000000000006e R14: 00007fec8459c050 R15: 00007fffb8700d48 [ 60.066146][ T3967] [ 60.088924][ T3971] FAULT_INJECTION: forcing a failure. [ 60.088924][ T3971] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.102106][ T3971] CPU: 1 PID: 3971 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 60.110835][ T3971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.121304][ T3971] Call Trace: [ 60.124560][ T3971] [ 60.128156][ T3971] dump_stack_lvl+0x7f/0xc2 [ 60.132643][ T3971] should_fail_ex+0x131/0x140 [ 60.137298][ T3971] _copy_from_user+0x15/0x70 [ 60.141886][ T3971] kstrtouint_from_user+0x82/0xd0 [ 60.146990][ T3971] proc_fail_nth_write+0x35/0xc0 [ 60.152079][ T3971] vfs_write+0x150/0x3e0 [ 60.156368][ T3971] ksys_write+0x6c/0xd0 [ 60.160697][ T3971] do_syscall_64+0x3d/0x80 [ 60.165696][ T3971] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.172014][ T3971] RIP: 0033:0x7fcadc27b7af [ 60.176775][ T3971] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.197077][ T3971] RSP: 002b:00007fcadcf360c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.205726][ T3971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 60.213933][ T3971] RDX: 0000000000000001 RSI: 00007fcadcf36130 RDI: 0000000000000004 [ 60.221982][ T3971] RBP: 00007fcadcf36120 R08: 0000000000000000 R09: 0000000000000000 [ 60.230033][ T3971] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.238243][ T3971] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 60.246281][ T3971] [ 60.249287][ C1] vkms_vblank_simulate: vblank timer overrun [ 60.255909][ T3972] FAULT_INJECTION: forcing a failure. [ 60.255909][ T3972] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.269381][ T3972] CPU: 0 PID: 3972 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 60.278039][ T3972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.288195][ T3972] Call Trace: [ 60.291540][ T3972] [ 60.294554][ T3972] dump_stack_lvl+0x7f/0xc2 [ 60.299777][ T3972] should_fail_ex+0x131/0x140 [ 60.304640][ T3972] _copy_from_user+0x15/0x70 [ 60.309568][ T3972] kstrtouint_from_user+0x82/0xd0 [ 60.314709][ T3972] proc_fail_nth_write+0x35/0xc0 [ 60.319717][ T3972] vfs_write+0x150/0x3e0 [ 60.323935][ T3972] ksys_write+0x6c/0xd0 [ 60.328290][ T3972] do_syscall_64+0x3d/0x80 [ 60.332091][ T3977] FAULT_INJECTION: forcing a failure. [ 60.332091][ T3977] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.332775][ T3972] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.332786][ T3972] RIP: 0033:0x7f192ec7b7af [ 60.332791][ T3972] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.332794][ T3972] RSP: 002b:00007f192fa280c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.332800][ T3972] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 60.393240][ T3972] RDX: 0000000000000001 RSI: 00007f192fa28130 RDI: 0000000000000004 [ 60.401222][ T3972] RBP: 00007f192fa28120 R08: 0000000000000000 R09: 0000000000000000 [ 60.409240][ T3972] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.417376][ T3972] R13: 000000000000006e R14: 00007f192ed9c050 R15: 00007ffc7e506f28 [ 60.425338][ T3972] [ 60.428780][ T3977] CPU: 1 PID: 3977 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 60.437194][ T3977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.447317][ T3977] Call Trace: [ 60.450665][ T3977] [ 60.453771][ T3977] dump_stack_lvl+0x7f/0xc2 [ 60.458370][ T3977] should_fail_ex+0x131/0x140 [ 60.463044][ T3977] _copy_from_user+0x15/0x70 [ 60.468136][ T3977] kstrtouint_from_user+0x82/0xd0 [ 60.473135][ T3977] proc_fail_nth_write+0x35/0xc0 [ 60.478157][ T3977] vfs_write+0x150/0x3e0 [ 60.482812][ T3977] ksys_write+0x6c/0xd0 [ 60.486934][ T3977] do_syscall_64+0x3d/0x80 [ 60.491323][ T3977] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.497271][ T3977] RIP: 0033:0x7f86cd27b7af [ 60.501671][ T3977] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.521268][ T3977] RSP: 002b:00007f86ce0010c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.529922][ T3977] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 60.538313][ T3977] RDX: 0000000000000001 RSI: 00007f86ce001130 RDI: 0000000000000003 [ 60.547602][ T3977] RBP: 00007f86ce001120 R08: 0000000000000000 R09: 0000000000000000 [ 60.555924][ T3977] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.564150][ T3977] R13: 000000000000006e R14: 00007f86cd39c050 R15: 00007ffc4e959b48 [ 60.572554][ T3977] [ 60.575577][ C1] vkms_vblank_simulate: vblank timer overrun [ 60.583418][ T3979] FAULT_INJECTION: forcing a failure. [ 60.583418][ T3979] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.587362][ T3980] FAULT_INJECTION: forcing a failure. [ 60.587362][ T3980] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.597390][ T3979] CPU: 0 PID: 3979 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 60.619432][ T3979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.629553][ T3979] Call Trace: [ 60.632890][ T3979] [ 60.635847][ T3979] dump_stack_lvl+0x7f/0xc2 [ 60.640418][ T3979] should_fail_ex+0x131/0x140 [ 60.645263][ T3979] _copy_from_user+0x15/0x70 [ 60.649911][ T3979] kstrtouint_from_user+0x82/0xd0 [ 60.655524][ T3979] proc_fail_nth_write+0x35/0xc0 [ 60.660447][ T3979] vfs_write+0x150/0x3e0 [ 60.664755][ T3979] ksys_write+0x6c/0xd0 [ 60.668980][ T3979] do_syscall_64+0x3d/0x80 [ 60.673390][ T3979] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.679277][ T3979] RIP: 0033:0x7fec8447b7af [ 60.683680][ T3979] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.704135][ T3979] RSP: 002b:00007fec851b90c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.713086][ T3979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 60.721132][ T3979] RDX: 0000000000000001 RSI: 00007fec851b9130 RDI: 0000000000000004 [ 60.729427][ T3979] RBP: 00007fec851b9120 R08: 0000000000000000 R09: 0000000000000000 [ 60.737538][ T3979] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.745861][ T3979] R13: 000000000000006e R14: 00007fec8459c050 R15: 00007fffb8700d48 [ 60.754296][ T3979] [ 60.757286][ T3980] CPU: 1 PID: 3980 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 60.766294][ T3980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.777014][ T3980] Call Trace: [ 60.780582][ T3980] [ 60.783570][ T3980] dump_stack_lvl+0x7f/0xc2 [ 60.788138][ T3980] should_fail_ex+0x131/0x140 [ 60.792877][ T3980] _copy_from_user+0x15/0x70 [ 60.797711][ T3980] kstrtouint_from_user+0x82/0xd0 [ 60.802888][ T3980] proc_fail_nth_write+0x35/0xc0 [ 60.807883][ T3980] vfs_write+0x150/0x3e0 [ 60.812616][ T3980] ksys_write+0x6c/0xd0 [ 60.816823][ T3980] do_syscall_64+0x3d/0x80 [ 60.821295][ T3980] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.827254][ T3980] RIP: 0033:0x7fcadc27b7af [ 60.831642][ T3980] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 60.851300][ T3980] RSP: 002b:00007fcadcf360c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 60.859762][ T3980] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 60.867720][ T3980] RDX: 0000000000000001 RSI: 00007fcadcf36130 RDI: 0000000000000004 [ 60.875754][ T3980] RBP: 00007fcadcf36120 R08: 0000000000000000 R09: 0000000000000000 [ 60.883733][ T3980] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 60.891704][ T3980] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 60.900087][ T3980] [ 60.903198][ C1] vkms_vblank_simulate: vblank timer overrun [ 60.922895][ T3982] FAULT_INJECTION: forcing a failure. [ 60.922895][ T3982] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.936329][ T3982] CPU: 1 PID: 3982 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 60.945009][ T3982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.955144][ T3982] Call Trace: [ 60.958530][ T3982] [ 60.961715][ T3982] dump_stack_lvl+0x7f/0xc2 [ 60.966386][ T3982] should_fail_ex+0x131/0x140 [ 60.971033][ T3982] _copy_from_user+0x15/0x70 [ 60.975915][ T3982] kstrtouint_from_user+0x82/0xd0 [ 60.980626][ T3989] FAULT_INJECTION: forcing a failure. [ 60.980626][ T3989] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.980923][ T3982] proc_fail_nth_write+0x35/0xc0 [ 60.980933][ T3982] vfs_write+0x150/0x3e0 [ 60.980939][ T3982] ksys_write+0x6c/0xd0 [ 60.980942][ T3982] do_syscall_64+0x3d/0x80 [ 61.013238][ T3982] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.019356][ T3982] RIP: 0033:0x7efd0747b7af [ 61.023748][ T3982] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.043603][ T3982] RSP: 002b:00007efd0822b0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.052262][ T3982] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 61.060311][ T3982] RDX: 0000000000000001 RSI: 00007efd0822b130 RDI: 0000000000000004 [ 61.068445][ T3982] RBP: 00007efd0822b120 R08: 0000000000000000 R09: 0000000000000000 [ 61.076402][ T3982] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.086275][ T3982] R13: 0000000000000006 R14: 00007efd0759bf80 R15: 00007ffcbc93b2d8 [ 61.095733][ T3982] [ 61.100092][ T3989] CPU: 0 PID: 3989 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 61.100101][ C1] vkms_vblank_simulate: vblank timer overrun [ 61.109884][ T3989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.109887][ T3989] Call Trace: [ 61.130679][ T3989] [ 61.133605][ T3989] dump_stack_lvl+0x7f/0xc2 [ 61.138098][ T3989] should_fail_ex+0x131/0x140 [ 61.143254][ T3989] _copy_from_user+0x15/0x70 [ 61.149532][ T3989] kstrtouint_from_user+0x82/0xd0 [ 61.154629][ T3989] proc_fail_nth_write+0x35/0xc0 [ 61.159893][ T3989] vfs_write+0x150/0x3e0 [ 61.164215][ T3989] ksys_write+0x6c/0xd0 [ 61.168499][ T3993] FAULT_INJECTION: forcing a failure. [ 61.168499][ T3993] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.168728][ T3989] do_syscall_64+0x3d/0x80 [ 61.186799][ T3989] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.192691][ T3989] RIP: 0033:0x7f192ec7b7af [ 61.197096][ T3989] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.217298][ T3989] RSP: 002b:00007f192fa280c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.226069][ T3989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 61.234027][ T3989] RDX: 0000000000000001 RSI: 00007f192fa28130 RDI: 0000000000000004 [ 61.242252][ T3989] RBP: 00007f192fa28120 R08: 0000000000000000 R09: 0000000000000000 [ 61.251512][ T3989] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.261311][ T3989] R13: 000000000000006e R14: 00007f192ed9c050 R15: 00007ffc7e506f28 [ 61.270189][ T3989] [ 61.274260][ T3993] CPU: 1 PID: 3993 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 61.282945][ T3993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.292975][ T3993] Call Trace: [ 61.296266][ T3993] [ 61.299260][ T3993] dump_stack_lvl+0x7f/0xc2 [ 61.303822][ T3993] should_fail_ex+0x131/0x140 [ 61.308555][ T3993] _copy_from_user+0x15/0x70 [ 61.313120][ T3993] kstrtouint_from_user+0x82/0xd0 [ 61.318213][ T3993] proc_fail_nth_write+0x35/0xc0 [ 61.323401][ T3993] vfs_write+0x150/0x3e0 [ 61.327613][ T3993] ksys_write+0x6c/0xd0 [ 61.331823][ T3993] do_syscall_64+0x3d/0x80 [ 61.336637][ T3993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.342634][ T3993] RIP: 0033:0x7fedc787b7af [ 61.347199][ T3993] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.367089][ T3993] RSP: 002b:00007fedc86280c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.375565][ T3993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 61.383505][ T3993] RDX: 0000000000000001 RSI: 00007fedc8628130 RDI: 0000000000000004 [ 61.391636][ T3993] RBP: 00007fedc8628120 R08: 0000000000000000 R09: 0000000000000000 [ 61.399747][ T3993] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.407684][ T3993] R13: 000000000000006e R14: 00007fedc799c120 R15: 00007ffc2fdf6838 [ 61.415895][ T3993] [ 61.419511][ C1] vkms_vblank_simulate: vblank timer overrun [ 61.426530][ T3992] FAULT_INJECTION: forcing a failure. [ 61.426530][ T3992] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.439999][ T3992] CPU: 1 PID: 3992 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 61.448394][ T3992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.460525][ T3992] Call Trace: [ 61.463786][ T3992] [ 61.466695][ T3992] dump_stack_lvl+0x7f/0xc2 [ 61.471182][ T3992] should_fail_ex+0x131/0x140 [ 61.475935][ T3992] _copy_from_user+0x15/0x70 [ 61.480579][ T3992] kstrtouint_from_user+0x82/0xd0 [ 61.485656][ T3992] proc_fail_nth_write+0x35/0xc0 [ 61.491261][ T3992] vfs_write+0x150/0x3e0 [ 61.495556][ T3992] ksys_write+0x6c/0xd0 [ 61.499678][ T3992] do_syscall_64+0x3d/0x80 [ 61.504164][ T3992] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.510571][ T3992] RIP: 0033:0x7f86cd27b7af [ 61.514974][ T3992] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.534828][ T3992] RSP: 002b:00007f86cdfe00c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.543319][ T3992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 61.551515][ T3992] RDX: 0000000000000001 RSI: 00007f86cdfe0130 RDI: 0000000000000004 [ 61.559567][ T3992] RBP: 00007f86cdfe0120 R08: 0000000000000000 R09: 0000000000000000 [ 61.567879][ T3992] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.576208][ T3992] R13: 000000000000006e R14: 00007f86cd39c120 R15: 00007ffc4e959b48 [ 61.584501][ T3992] [ 61.587686][ C1] vkms_vblank_simulate: vblank timer overrun [ 61.603982][ T3995] FAULT_INJECTION: forcing a failure. [ 61.603982][ T3995] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.617206][ T3995] CPU: 1 PID: 3995 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 61.625624][ T3995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.635846][ T3995] Call Trace: [ 61.639110][ T3995] [ 61.642108][ T3995] dump_stack_lvl+0x7f/0xc2 [ 61.646767][ T3995] should_fail_ex+0x131/0x140 [ 61.651662][ T3995] _copy_from_user+0x15/0x70 [ 61.655618][ T4007] FAULT_INJECTION: forcing a failure. [ 61.655618][ T4007] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.656739][ T3995] kstrtouint_from_user+0x82/0xd0 [ 61.656749][ T3995] proc_fail_nth_write+0x35/0xc0 [ 61.656755][ T3995] vfs_write+0x150/0x3e0 [ 61.656760][ T3995] ksys_write+0x6c/0xd0 [ 61.656764][ T3995] do_syscall_64+0x3d/0x80 [ 61.693435][ T3995] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.699388][ T3995] RIP: 0033:0x7f192ec7b7af [ 61.703943][ T3995] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.724566][ T3995] RSP: 002b:00007f192fa490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.733118][ T3995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 61.741233][ T3995] RDX: 0000000000000001 RSI: 00007f192fa49130 RDI: 0000000000000004 [ 61.749272][ T3995] RBP: 00007f192fa49120 R08: 0000000000000000 R09: 0000000000000000 [ 61.757472][ T3995] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.765942][ T3995] R13: 0000000000000006 R14: 00007f192ed9bf80 R15: 00007ffc7e506f28 [ 61.773882][ T3995] [ 61.776902][ T4007] CPU: 0 PID: 4007 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 61.776907][ C1] vkms_vblank_simulate: vblank timer overrun [ 61.785459][ T4007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.802320][ T4007] Call Trace: [ 61.805670][ T4007] [ 61.808580][ T4007] dump_stack_lvl+0x7f/0xc2 [ 61.813064][ T4007] should_fail_ex+0x131/0x140 [ 61.818510][ T4007] _copy_from_user+0x15/0x70 [ 61.823515][ T4007] kstrtouint_from_user+0x82/0xd0 [ 61.828516][ T4007] proc_fail_nth_write+0x35/0xc0 [ 61.833767][ T4007] vfs_write+0x150/0x3e0 [ 61.838067][ T4007] ksys_write+0x6c/0xd0 [ 61.842277][ T4007] do_syscall_64+0x3d/0x80 [ 61.846851][ T4007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.852799][ T4007] RIP: 0033:0x7fcadc27b7af [ 61.857547][ T4007] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 61.877472][ T4007] RSP: 002b:00007fcadcf150c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 61.885868][ T4007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 61.894006][ T4007] RDX: 0000000000000001 RSI: 00007fcadcf15130 RDI: 0000000000000004 [ 61.901954][ T4007] RBP: 00007fcadcf15120 R08: 0000000000000000 R09: 0000000000000000 [ 61.909909][ T4007] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 61.917944][ T4007] R13: 000000000000006e R14: 00007fcadc39c050 R15: 00007ffe9ec2e278 [ 61.926232][ T4007] [ 61.929754][ T4012] FAULT_INJECTION: forcing a failure. [ 61.929754][ T4012] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.939014][ T4006] FAULT_INJECTION: forcing a failure. [ 61.939014][ T4006] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.942801][ T4012] CPU: 1 PID: 4012 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 61.964493][ T4012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.974732][ T4012] Call Trace: [ 61.977993][ T4012] [ 61.980897][ T4012] dump_stack_lvl+0x7f/0xc2 [ 61.985369][ T4012] should_fail_ex+0x131/0x140 [ 61.990015][ T4012] _copy_from_user+0x15/0x70 [ 61.994755][ T4012] kstrtouint_from_user+0x82/0xd0 [ 61.999744][ T4012] proc_fail_nth_write+0x35/0xc0 [ 62.004649][ T4012] vfs_write+0x150/0x3e0 [ 62.008965][ T4012] ksys_write+0x6c/0xd0 [ 62.013096][ T4012] do_syscall_64+0x3d/0x80 [ 62.017490][ T4012] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.023359][ T4012] RIP: 0033:0x7fedc787b7af [ 62.027913][ T4012] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.047569][ T4012] RSP: 002b:00007fedc86280c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.055945][ T4012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 62.063974][ T4012] RDX: 0000000000000001 RSI: 00007fedc8628130 RDI: 0000000000000004 [ 62.072174][ T4012] RBP: 00007fedc8628120 R08: 0000000000000000 R09: 0000000000000000 [ 62.080121][ T4012] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.088369][ T4012] R13: 000000000000006e R14: 00007fedc799c120 R15: 00007ffc2fdf6838 [ 62.096324][ T4012] [ 62.099335][ T4006] CPU: 0 PID: 4006 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 62.099344][ C1] vkms_vblank_simulate: vblank timer overrun [ 62.107811][ T4006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.107816][ T4006] Call Trace: [ 62.114247][ T4002] FAULT_INJECTION: forcing a failure. [ 62.114247][ T4002] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 62.124142][ T4006] [ 62.124145][ T4006] dump_stack_lvl+0x7f/0xc2 [ 62.124153][ T4006] should_fail_ex+0x131/0x140 [ 62.124157][ T4006] _copy_from_user+0x15/0x70 [ 62.124161][ T4006] kstrtouint_from_user+0x82/0xd0 [ 62.162471][ T4006] proc_fail_nth_write+0x35/0xc0 [ 62.167467][ T4006] vfs_write+0x150/0x3e0 [ 62.171784][ T4006] ksys_write+0x6c/0xd0 [ 62.175910][ T4006] do_syscall_64+0x3d/0x80 [ 62.180387][ T4006] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.186618][ T4006] RIP: 0033:0x7fec8447b7af [ 62.191003][ T4006] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.210837][ T4006] RSP: 002b:00007fec851da0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.219312][ T4006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 62.227254][ T4006] RDX: 0000000000000001 RSI: 00007fec851da130 RDI: 0000000000000004 [ 62.235193][ T4006] RBP: 00007fec851da120 R08: 0000000000000000 R09: 0000000000000000 [ 62.243141][ T4006] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.251107][ T4006] R13: 0000000000000006 R14: 00007fec8459bf80 R15: 00007fffb8700d48 [ 62.259083][ T4006] [ 62.262087][ T4002] CPU: 1 PID: 4002 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 62.264082][ T4005] FAULT_INJECTION: forcing a failure. [ 62.264082][ T4005] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 62.270474][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.270477][ T4002] Call Trace: [ 62.270480][ T4002] [ 62.270481][ T4002] dump_stack_lvl+0x7f/0xc2 [ 62.270490][ T4002] should_fail_ex+0x131/0x140 [ 62.270494][ T4002] _copy_from_user+0x15/0x70 [ 62.270498][ T4002] kstrtouint_from_user+0x82/0xd0 [ 62.270502][ T4002] proc_fail_nth_write+0x35/0xc0 [ 62.270507][ T4002] vfs_write+0x150/0x3e0 [ 62.270511][ T4002] ksys_write+0x6c/0xd0 [ 62.270514][ T4002] do_syscall_64+0x3d/0x80 [ 62.270518][ T4002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.342421][ T4002] RIP: 0033:0x7f86cd27b7af [ 62.346808][ T4002] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.366647][ T4002] RSP: 002b:00007f86ce0220c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.380158][ T4002] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 62.388645][ T4002] RDX: 0000000000000001 RSI: 00007f86ce022130 RDI: 0000000000000004 [ 62.396685][ T4002] RBP: 00007f86ce022120 R08: 0000000000000000 R09: 0000000000000000 [ 62.404630][ T4002] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.412656][ T4002] R13: 0000000000000006 R14: 00007f86cd39bf80 R15: 00007ffc4e959b48 [ 62.420682][ T4002] [ 62.423675][ T4005] CPU: 0 PID: 4005 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 62.423688][ C1] vkms_vblank_simulate: vblank timer overrun [ 62.432009][ T4005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.432011][ T4005] Call Trace: [ 62.438637][ T4015] FAULT_INJECTION: forcing a failure. [ 62.438637][ T4015] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 62.448085][ T4005] [ 62.448088][ T4005] dump_stack_lvl+0x7f/0xc2 [ 62.448096][ T4005] should_fail_ex+0x131/0x140 [ 62.448100][ T4005] _copy_from_user+0x15/0x70 [ 62.448104][ T4005] kstrtouint_from_user+0x82/0xd0 [ 62.448109][ T4005] proc_fail_nth_write+0x35/0xc0 [ 62.491256][ T4005] vfs_write+0x150/0x3e0 [ 62.495464][ T4005] ksys_write+0x6c/0xd0 [ 62.499585][ T4005] do_syscall_64+0x3d/0x80 [ 62.503975][ T4005] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.510014][ T4005] RIP: 0033:0x7efd0747b7af [ 62.514485][ T4005] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.534493][ T4005] RSP: 002b:00007efd0822b0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.542990][ T4005] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 62.551020][ T4005] RDX: 0000000000000001 RSI: 00007efd0822b130 RDI: 0000000000000004 [ 62.558984][ T4005] RBP: 00007efd0822b120 R08: 0000000000000000 R09: 0000000000000000 [ 62.567040][ T4005] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.575162][ T4005] R13: 0000000000000006 R14: 00007efd0759bf80 R15: 00007ffcbc93b2d8 [ 62.583107][ T4005] [ 62.586209][ T4015] CPU: 1 PID: 4015 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 62.594525][ T4015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.605255][ T4015] Call Trace: [ 62.608599][ T4015] [ 62.612133][ T4015] dump_stack_lvl+0x7f/0xc2 [ 62.616870][ T4015] should_fail_ex+0x131/0x140 [ 62.621796][ T4015] _copy_from_user+0x15/0x70 [ 62.626888][ T4015] kstrtouint_from_user+0x82/0xd0 [ 62.632053][ T4015] proc_fail_nth_write+0x35/0xc0 [ 62.636970][ T4015] vfs_write+0x150/0x3e0 [ 62.641372][ T4015] ksys_write+0x6c/0xd0 [ 62.646248][ T4015] do_syscall_64+0x3d/0x80 [ 62.651338][ T4015] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.657480][ T4015] RIP: 0033:0x7f192ec7b7af [ 62.661890][ T4015] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.681811][ T4015] RSP: 002b:00007f192fa280c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.690634][ T4015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 62.698657][ T4015] RDX: 0000000000000001 RSI: 00007f192fa28130 RDI: 0000000000000004 [ 62.706854][ T4015] RBP: 00007f192fa28120 R08: 0000000000000000 R09: 0000000000000000 [ 62.714969][ T4015] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.722917][ T4015] R13: 000000000000006e R14: 00007f192ed9c050 R15: 00007ffc7e506f28 [ 62.730879][ T4015] [ 62.733890][ C1] vkms_vblank_simulate: vblank timer overrun [ 62.753864][ T4017] FAULT_INJECTION: forcing a failure. [ 62.753864][ T4017] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 62.767379][ T4017] CPU: 1 PID: 4017 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 62.775689][ T4017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.785742][ T4017] Call Trace: [ 62.789343][ T4017] [ 62.792259][ T4017] dump_stack_lvl+0x7f/0xc2 [ 62.796823][ T4017] should_fail_ex+0x131/0x140 [ 62.801551][ T4017] _copy_from_user+0x15/0x70 [ 62.806191][ T4017] kstrtouint_from_user+0x82/0xd0 [ 62.811268][ T4017] proc_fail_nth_write+0x35/0xc0 [ 62.816176][ T4017] vfs_write+0x150/0x3e0 [ 62.819565][ T4028] FAULT_INJECTION: forcing a failure. [ 62.819565][ T4028] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 62.820388][ T4017] ksys_write+0x6c/0xd0 [ 62.820395][ T4017] do_syscall_64+0x3d/0x80 [ 62.820401][ T4017] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.820406][ T4017] RIP: 0033:0x7efd0747b7af [ 62.820410][ T4017] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 62.820414][ T4017] RSP: 002b:00007efd0822b0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 62.881598][ T4017] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 62.889714][ T4017] RDX: 0000000000000001 RSI: 00007efd0822b130 RDI: 0000000000000004 [ 62.897740][ T4017] RBP: 00007efd0822b120 R08: 0000000000000000 R09: 0000000000000000 [ 62.906127][ T4017] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 62.914957][ T4017] R13: 0000000000000006 R14: 00007efd0759bf80 R15: 00007ffcbc93b2d8 [ 62.923200][ T4017] [ 62.926288][ T4028] CPU: 0 PID: 4028 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 62.926293][ C1] vkms_vblank_simulate: vblank timer overrun [ 62.934675][ T4028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.951437][ T4028] Call Trace: [ 62.954954][ T4028] [ 62.957867][ T4028] dump_stack_lvl+0x7f/0xc2 [ 62.962427][ T4028] should_fail_ex+0x131/0x140 [ 62.967170][ T4028] _copy_from_user+0x15/0x70 [ 62.971829][ T4028] kstrtouint_from_user+0x82/0xd0 [ 62.976854][ T4028] proc_fail_nth_write+0x35/0xc0 [ 62.982405][ T4028] vfs_write+0x150/0x3e0 [ 62.986789][ T4028] ksys_write+0x6c/0xd0 [ 62.990914][ T4028] do_syscall_64+0x3d/0x80 [ 62.995300][ T4028] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.001247][ T4028] RIP: 0033:0x7fec8447b7af [ 63.005721][ T4028] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.025699][ T4028] RSP: 002b:00007fec851b90c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.034368][ T4028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 63.042311][ T4028] RDX: 0000000000000001 RSI: 00007fec851b9130 RDI: 0000000000000004 [ 63.050427][ T4028] RBP: 00007fec851b9120 R08: 0000000000000000 R09: 0000000000000000 [ 63.058589][ T4028] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.066875][ T4028] R13: 000000000000006e R14: 00007fec8459c050 R15: 00007fffb8700d48 [ 63.075005][ T4028] [ 63.078290][ T4029] FAULT_INJECTION: forcing a failure. [ 63.078290][ T4029] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.078478][ T4033] FAULT_INJECTION: forcing a failure. [ 63.078478][ T4033] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.092319][ T4029] CPU: 0 PID: 4029 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 63.092328][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.092330][ T4029] Call Trace: [ 63.092334][ T4029] [ 63.092337][ T4029] dump_stack_lvl+0x7f/0xc2 [ 63.092346][ T4029] should_fail_ex+0x131/0x140 [ 63.092350][ T4029] _copy_from_user+0x15/0x70 [ 63.092355][ T4029] kstrtouint_from_user+0x82/0xd0 [ 63.149385][ T4029] proc_fail_nth_write+0x35/0xc0 [ 63.154293][ T4029] vfs_write+0x150/0x3e0 [ 63.159064][ T4029] ksys_write+0x6c/0xd0 [ 63.163470][ T4029] do_syscall_64+0x3d/0x80 [ 63.168123][ T4029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.174197][ T4029] RIP: 0033:0x7fcadc27b7af [ 63.178682][ T4029] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.198606][ T4029] RSP: 002b:00007fcadcf150c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.207504][ T4029] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 63.215444][ T4029] RDX: 0000000000000001 RSI: 00007fcadcf15130 RDI: 0000000000000004 [ 63.223381][ T4029] RBP: 00007fcadcf15120 R08: 0000000000000000 R09: 0000000000000000 [ 63.231320][ T4029] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.239265][ T4029] R13: 000000000000006e R14: 00007fcadc39c050 R15: 00007ffe9ec2e278 [ 63.247552][ T4029] [ 63.250543][ T4033] CPU: 1 PID: 4033 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 63.250847][ T4030] FAULT_INJECTION: forcing a failure. [ 63.250847][ T4030] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.259101][ T4033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.259104][ T4033] Call Trace: [ 63.259106][ T4033] [ 63.259108][ T4033] dump_stack_lvl+0x7f/0xc2 [ 63.259116][ T4033] should_fail_ex+0x131/0x140 [ 63.259120][ T4033] _copy_from_user+0x15/0x70 [ 63.259124][ T4033] kstrtouint_from_user+0x82/0xd0 [ 63.309309][ T4033] proc_fail_nth_write+0x35/0xc0 [ 63.314307][ T4033] vfs_write+0x150/0x3e0 [ 63.318616][ T4033] ksys_write+0x6c/0xd0 [ 63.322999][ T4033] do_syscall_64+0x3d/0x80 [ 63.327576][ T4033] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.334404][ T4033] RIP: 0033:0x7f86cd27b7af [ 63.339306][ T4033] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.361555][ T4033] RSP: 002b:00007f86cdfe00c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.370851][ T4033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 63.380113][ T4033] RDX: 0000000000000001 RSI: 00007f86cdfe0130 RDI: 0000000000000004 [ 63.388324][ T4033] RBP: 00007f86cdfe0120 R08: 0000000000000000 R09: 0000000000000000 [ 63.396272][ T4033] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.404566][ T4033] R13: 000000000000006e R14: 00007f86cd39c120 R15: 00007ffc4e959b48 [ 63.413046][ T4033] [ 63.416126][ T4030] CPU: 0 PID: 4030 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 63.416131][ C1] vkms_vblank_simulate: vblank timer overrun [ 63.424425][ T4030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.424428][ T4030] Call Trace: [ 63.444641][ T4030] [ 63.447721][ T4030] dump_stack_lvl+0x7f/0xc2 [ 63.452192][ T4030] should_fail_ex+0x131/0x140 [ 63.456848][ T4030] _copy_from_user+0x15/0x70 [ 63.461512][ T4030] kstrtouint_from_user+0x82/0xd0 [ 63.466944][ T4030] proc_fail_nth_write+0x35/0xc0 [ 63.471854][ T4030] vfs_write+0x150/0x3e0 [ 63.476157][ T4030] ksys_write+0x6c/0xd0 [ 63.480275][ T4030] do_syscall_64+0x3d/0x80 [ 63.484744][ T4030] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.490614][ T4030] RIP: 0033:0x7fedc787b7af [ 63.495087][ T4030] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.515356][ T4030] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.523912][ T4030] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 63.531884][ T4030] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000004 [ 63.539822][ T4030] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 63.548114][ T4030] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.556145][ T4030] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 [ 63.564095][ T4030] [ 63.568084][ T4034] FAULT_INJECTION: forcing a failure. [ 63.568084][ T4034] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.581850][ T4034] CPU: 1 PID: 4034 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 63.590330][ T4034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.600365][ T4034] Call Trace: [ 63.603911][ T4034] [ 63.607264][ T4034] dump_stack_lvl+0x7f/0xc2 [ 63.611757][ T4034] should_fail_ex+0x131/0x140 [ 63.616848][ T4034] _copy_from_user+0x15/0x70 [ 63.621702][ T4034] kstrtouint_from_user+0x82/0xd0 [ 63.626697][ T4034] proc_fail_nth_write+0x35/0xc0 [ 63.631632][ T4034] vfs_write+0x150/0x3e0 [ 63.635888][ T4034] ksys_write+0x6c/0xd0 [ 63.640035][ T4034] do_syscall_64+0x3d/0x80 [ 63.644515][ T4034] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.650664][ T4034] RIP: 0033:0x7f192ec7b7af [ 63.655055][ T4034] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.675074][ T4034] RSP: 002b:00007f192fa070c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.684583][ T4034] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 63.692806][ T4034] RDX: 0000000000000001 RSI: 00007f192fa07130 RDI: 0000000000000004 [ 63.700759][ T4034] RBP: 00007f192fa07120 R08: 0000000000000000 R09: 0000000000000000 [ 63.708937][ T4034] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.718223][ T4034] R13: 000000000000006e R14: 00007f192ed9c120 R15: 00007ffc7e506f28 [ 63.726537][ T4034] [ 63.729836][ C1] vkms_vblank_simulate: vblank timer overrun [ 63.753871][ T4038] FAULT_INJECTION: forcing a failure. [ 63.753871][ T4038] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.767008][ T4038] CPU: 1 PID: 4038 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 63.775310][ T4038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.785436][ T4038] Call Trace: [ 63.788533][ T4045] FAULT_INJECTION: forcing a failure. [ 63.788533][ T4045] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.788687][ T4038] [ 63.805016][ T4038] dump_stack_lvl+0x7f/0xc2 [ 63.809501][ T4038] should_fail_ex+0x131/0x140 [ 63.814240][ T4038] _copy_from_user+0x15/0x70 [ 63.818819][ T4038] kstrtouint_from_user+0x82/0xd0 [ 63.824078][ T4038] proc_fail_nth_write+0x35/0xc0 [ 63.829083][ T4038] vfs_write+0x150/0x3e0 [ 63.833391][ T4038] ksys_write+0x6c/0xd0 [ 63.837608][ T4038] do_syscall_64+0x3d/0x80 [ 63.842012][ T4038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.848064][ T4038] RIP: 0033:0x7fcadc27b7af [ 63.852752][ T4038] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 63.872432][ T4038] RSP: 002b:00007fcadcf360c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 63.880916][ T4038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 63.888978][ T4038] RDX: 0000000000000001 RSI: 00007fcadcf36130 RDI: 0000000000000004 [ 63.896945][ T4038] RBP: 00007fcadcf36120 R08: 0000000000000000 R09: 0000000000000000 [ 63.904886][ T4038] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 63.913098][ T4038] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 63.921067][ T4038] [ 63.924061][ T4045] CPU: 0 PID: 4045 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 63.924064][ C1] vkms_vblank_simulate: vblank timer overrun [ 63.924422][ T4040] FAULT_INJECTION: forcing a failure. [ 63.924422][ T4040] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 63.932455][ T4045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 63.932460][ T4045] Call Trace: [ 63.932464][ T4045] [ 63.932467][ T4045] dump_stack_lvl+0x7f/0xc2 [ 63.932476][ T4045] should_fail_ex+0x131/0x140 [ 63.932480][ T4045] _copy_from_user+0x15/0x70 [ 63.932483][ T4045] kstrtouint_from_user+0x82/0xd0 [ 63.932488][ T4045] proc_fail_nth_write+0x35/0xc0 [ 63.932492][ T4045] vfs_write+0x150/0x3e0 [ 63.932497][ T4045] ksys_write+0x6c/0xd0 [ 63.932500][ T4045] do_syscall_64+0x3d/0x80 [ 64.005450][ T4045] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.011321][ T4045] RIP: 0033:0x7efd0747b7af [ 64.015809][ T4045] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.035554][ T4045] RSP: 002b:00007efd0820a0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.044378][ T4045] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 64.052333][ T4045] RDX: 0000000000000001 RSI: 00007efd0820a130 RDI: 0000000000000004 [ 64.060536][ T4045] RBP: 00007efd0820a120 R08: 0000000000000000 R09: 0000000000000000 [ 64.068738][ T4045] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.077815][ T4045] R13: 000000000000006e R14: 00007efd0759c050 R15: 00007ffcbc93b2d8 [ 64.086307][ T4045] [ 64.089832][ T4040] CPU: 1 PID: 4040 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 64.090558][ T4046] FAULT_INJECTION: forcing a failure. [ 64.090558][ T4046] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.098219][ T4040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.098223][ T4040] Call Trace: [ 64.098226][ T4040] [ 64.098228][ T4040] dump_stack_lvl+0x7f/0xc2 [ 64.098236][ T4040] should_fail_ex+0x131/0x140 [ 64.098241][ T4040] _copy_from_user+0x15/0x70 [ 64.098245][ T4040] kstrtouint_from_user+0x82/0xd0 [ 64.147422][ T4040] proc_fail_nth_write+0x35/0xc0 [ 64.152335][ T4040] vfs_write+0x150/0x3e0 [ 64.156566][ T4040] ksys_write+0x6c/0xd0 [ 64.160697][ T4040] do_syscall_64+0x3d/0x80 [ 64.165111][ T4040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.171144][ T4040] RIP: 0033:0x7fec8447b7af [ 64.175527][ T4040] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.195799][ T4040] RSP: 002b:00007fec851da0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.204377][ T4040] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 64.212408][ T4040] RDX: 0000000000000001 RSI: 00007fec851da130 RDI: 0000000000000004 [ 64.220437][ T4040] RBP: 00007fec851da120 R08: 0000000000000000 R09: 0000000000000000 [ 64.228549][ T4040] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.237036][ T4040] R13: 0000000000000006 R14: 00007fec8459bf80 R15: 00007fffb8700d48 [ 64.245156][ T4040] [ 64.248156][ T4046] CPU: 0 PID: 4046 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 64.248169][ C1] vkms_vblank_simulate: vblank timer overrun [ 64.256536][ T4046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.263213][ T4047] FAULT_INJECTION: forcing a failure. [ 64.263213][ T4047] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.272501][ T4046] Call Trace: [ 64.272504][ T4046] [ 64.272505][ T4046] dump_stack_lvl+0x7f/0xc2 [ 64.272513][ T4046] should_fail_ex+0x131/0x140 [ 64.272518][ T4046] _copy_from_user+0x15/0x70 [ 64.272522][ T4046] kstrtouint_from_user+0x82/0xd0 [ 64.272526][ T4046] proc_fail_nth_write+0x35/0xc0 [ 64.272530][ T4046] vfs_write+0x150/0x3e0 [ 64.272534][ T4046] ksys_write+0x6c/0xd0 [ 64.272537][ T4046] do_syscall_64+0x3d/0x80 [ 64.330852][ T4046] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.337074][ T4046] RIP: 0033:0x7f86cd27b7af [ 64.341723][ T4046] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.361555][ T4046] RSP: 002b:00007f86ce0010c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.370218][ T4046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 64.378425][ T4046] RDX: 0000000000000001 RSI: 00007f86ce001130 RDI: 0000000000000004 [ 64.386644][ T4046] RBP: 00007f86ce001120 R08: 0000000000000000 R09: 0000000000000000 [ 64.396415][ T4046] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.404357][ T4046] R13: 000000000000006e R14: 00007f86cd39c050 R15: 00007ffc4e959b48 [ 64.412394][ T4046] [ 64.415560][ T4047] CPU: 1 PID: 4047 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 64.423875][ T4047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.434173][ T4047] Call Trace: [ 64.437431][ T4047] [ 64.440427][ T4047] dump_stack_lvl+0x7f/0xc2 [ 64.445079][ T4047] should_fail_ex+0x131/0x140 [ 64.449814][ T4047] _copy_from_user+0x15/0x70 [ 64.454381][ T4047] kstrtouint_from_user+0x82/0xd0 [ 64.459483][ T4047] proc_fail_nth_write+0x35/0xc0 [ 64.464497][ T4047] vfs_write+0x150/0x3e0 [ 64.468731][ T4047] ksys_write+0x6c/0xd0 [ 64.472904][ T4047] do_syscall_64+0x3d/0x80 [ 64.477289][ T4047] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.483165][ T4047] RIP: 0033:0x7fedc787b7af [ 64.487829][ T4047] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.507680][ T4047] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.516109][ T4047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 64.524076][ T4047] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000004 [ 64.532062][ T4047] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 64.540011][ T4047] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.548070][ T4047] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 2023/09/21 23:23:53 executed programs: 37 [ 64.556029][ T4047] [ 64.559118][ C1] vkms_vblank_simulate: vblank timer overrun [ 64.587185][ T4049] FAULT_INJECTION: forcing a failure. [ 64.587185][ T4049] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.600525][ T4049] CPU: 0 PID: 4049 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 64.609097][ T4049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.619247][ T4049] Call Trace: [ 64.622589][ T4049] [ 64.625588][ T4049] dump_stack_lvl+0x7f/0xc2 [ 64.627484][ T4054] FAULT_INJECTION: forcing a failure. [ 64.627484][ T4054] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.630085][ T4049] should_fail_ex+0x131/0x140 [ 64.630092][ T4049] _copy_from_user+0x15/0x70 [ 64.630096][ T4049] kstrtouint_from_user+0x82/0xd0 [ 64.630101][ T4049] proc_fail_nth_write+0x35/0xc0 [ 64.630106][ T4049] vfs_write+0x150/0x3e0 [ 64.630110][ T4049] ksys_write+0x6c/0xd0 [ 64.630113][ T4049] do_syscall_64+0x3d/0x80 [ 64.676016][ T4049] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.681973][ T4049] RIP: 0033:0x7f192ec7b7af [ 64.686577][ T4049] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.706685][ T4049] RSP: 002b:00007f192fa490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.715241][ T4049] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 64.723269][ T4049] RDX: 0000000000000001 RSI: 00007f192fa49130 RDI: 0000000000000004 [ 64.731571][ T4049] RBP: 00007f192fa49120 R08: 0000000000000000 R09: 0000000000000000 [ 64.739507][ T4049] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.748078][ T4049] R13: 0000000000000006 R14: 00007f192ed9bf80 R15: 00007ffc7e506f28 [ 64.756813][ T4049] [ 64.759811][ T4054] CPU: 1 PID: 4054 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 64.768213][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.778325][ T4054] Call Trace: [ 64.781577][ T4054] [ 64.784492][ T4054] dump_stack_lvl+0x7f/0xc2 [ 64.789055][ T4054] should_fail_ex+0x131/0x140 [ 64.793800][ T4054] _copy_from_user+0x15/0x70 [ 64.799152][ T4054] kstrtouint_from_user+0x82/0xd0 [ 64.804250][ T4054] proc_fail_nth_write+0x35/0xc0 [ 64.809330][ T4054] vfs_write+0x150/0x3e0 [ 64.813624][ T4054] ksys_write+0x6c/0xd0 [ 64.817922][ T4054] do_syscall_64+0x3d/0x80 [ 64.822574][ T4054] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.828477][ T4054] RIP: 0033:0x7fcadc27b7af [ 64.832877][ T4054] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 64.852801][ T4054] RSP: 002b:00007fcadcf150c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 64.861298][ T4054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 64.869241][ T4054] RDX: 0000000000000001 RSI: 00007fcadcf15130 RDI: 0000000000000004 [ 64.877368][ T4054] RBP: 00007fcadcf15120 R08: 0000000000000000 R09: 0000000000000000 [ 64.885567][ T4054] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 64.893505][ T4054] R13: 000000000000006e R14: 00007fcadc39c050 R15: 00007ffe9ec2e278 [ 64.901458][ T4054] [ 64.904482][ C1] vkms_vblank_simulate: vblank timer overrun [ 64.911899][ T4055] FAULT_INJECTION: forcing a failure. [ 64.911899][ T4055] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.925115][ T4055] CPU: 0 PID: 4055 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 64.933918][ T4055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 64.937053][ T4058] FAULT_INJECTION: forcing a failure. [ 64.937053][ T4058] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 64.944033][ T4055] Call Trace: [ 64.944036][ T4055] [ 64.944038][ T4055] dump_stack_lvl+0x7f/0xc2 [ 64.944046][ T4055] should_fail_ex+0x131/0x140 [ 64.944051][ T4055] _copy_from_user+0x15/0x70 [ 64.944055][ T4055] kstrtouint_from_user+0x82/0xd0 [ 64.982423][ T4055] proc_fail_nth_write+0x35/0xc0 [ 64.987335][ T4055] vfs_write+0x150/0x3e0 [ 64.991543][ T4055] ksys_write+0x6c/0xd0 [ 64.995668][ T4055] do_syscall_64+0x3d/0x80 [ 65.000055][ T4055] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.005915][ T4055] RIP: 0033:0x7fedc787b7af [ 65.010386][ T4055] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.030489][ T4055] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.039041][ T4055] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 65.047073][ T4055] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000004 [ 65.055211][ T4055] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 65.063237][ T4055] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.071176][ T4055] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 [ 65.079488][ T4055] [ 65.083382][ T4058] CPU: 1 PID: 4058 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 65.093742][ T4058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.104204][ T4058] Call Trace: [ 65.107543][ T4058] [ 65.110807][ T4058] dump_stack_lvl+0x7f/0xc2 [ 65.115564][ T4058] should_fail_ex+0x131/0x140 [ 65.120304][ T4058] _copy_from_user+0x15/0x70 [ 65.124951][ T4058] kstrtouint_from_user+0x82/0xd0 [ 65.129954][ T4058] proc_fail_nth_write+0x35/0xc0 [ 65.135094][ T4058] vfs_write+0x150/0x3e0 [ 65.139487][ T4058] ksys_write+0x6c/0xd0 [ 65.143635][ T4058] do_syscall_64+0x3d/0x80 [ 65.148119][ T4058] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.154151][ T4058] RIP: 0033:0x7fec8447b7af [ 65.158536][ T4058] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.178558][ T4058] RSP: 002b:00007fec851da0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.187112][ T4058] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 65.195142][ T4058] RDX: 0000000000000001 RSI: 00007fec851da130 RDI: 0000000000000004 [ 65.203174][ T4058] RBP: 00007fec851da120 R08: 0000000000000000 R09: 0000000000000000 [ 65.211209][ T4058] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.219168][ T4058] R13: 0000000000000006 R14: 00007fec8459bf80 R15: 00007fffb8700d48 [ 65.227126][ T4058] [ 65.230153][ C1] vkms_vblank_simulate: vblank timer overrun [ 65.236640][ T4059] FAULT_INJECTION: forcing a failure. [ 65.236640][ T4059] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 65.249854][ T4059] CPU: 1 PID: 4059 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 65.258159][ T4059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.268541][ T4059] Call Trace: [ 65.271793][ T4059] [ 65.274805][ T4059] dump_stack_lvl+0x7f/0xc2 [ 65.279638][ T4059] should_fail_ex+0x131/0x140 [ 65.284487][ T4059] _copy_from_user+0x15/0x70 [ 65.289154][ T4059] kstrtouint_from_user+0x82/0xd0 [ 65.289669][ T4071] FAULT_INJECTION: forcing a failure. [ 65.289669][ T4071] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 65.294269][ T4059] proc_fail_nth_write+0x35/0xc0 [ 65.294276][ T4059] vfs_write+0x150/0x3e0 [ 65.294281][ T4059] ksys_write+0x6c/0xd0 [ 65.294284][ T4059] do_syscall_64+0x3d/0x80 [ 65.294290][ T4059] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.331290][ T4059] RIP: 0033:0x7efd0747b7af [ 65.335705][ T4059] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.355720][ T4059] RSP: 002b:00007efd0822b0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.364212][ T4059] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 65.372165][ T4059] RDX: 0000000000000001 RSI: 00007efd0822b130 RDI: 0000000000000004 [ 65.380454][ T4059] RBP: 00007efd0822b120 R08: 0000000000000000 R09: 0000000000000000 [ 65.388484][ T4059] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.396424][ T4059] R13: 0000000000000006 R14: 00007efd0759bf80 R15: 00007ffcbc93b2d8 [ 65.404454][ T4059] [ 65.407593][ T4071] CPU: 0 PID: 4071 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 65.407597][ C1] vkms_vblank_simulate: vblank timer overrun [ 65.422117][ T4071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.432145][ T4071] Call Trace: [ 65.435517][ T4071] [ 65.438522][ T4071] dump_stack_lvl+0x7f/0xc2 [ 65.443123][ T4071] should_fail_ex+0x131/0x140 [ 65.447787][ T4071] _copy_from_user+0x15/0x70 [ 65.452524][ T4071] kstrtouint_from_user+0x82/0xd0 [ 65.457616][ T4071] proc_fail_nth_write+0x35/0xc0 [ 65.462714][ T4071] vfs_write+0x150/0x3e0 [ 65.466938][ T4071] ksys_write+0x6c/0xd0 [ 65.471171][ T4071] do_syscall_64+0x3d/0x80 [ 65.475660][ T4071] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.482045][ T4071] RIP: 0033:0x7f86cd27b7af [ 65.486443][ T4071] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.506018][ T4071] RSP: 002b:00007f86ce0010c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.515175][ T4071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 65.523124][ T4071] RDX: 0000000000000001 RSI: 00007f86ce001130 RDI: 0000000000000004 [ 65.531172][ T4071] RBP: 00007f86ce001120 R08: 0000000000000000 R09: 0000000000000000 [ 65.539124][ T4071] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.547266][ T4071] R13: 000000000000006e R14: 00007f86cd39c050 R15: 00007ffc4e959b48 [ 65.555229][ T4071] [ 65.565718][ T4073] FAULT_INJECTION: forcing a failure. [ 65.565718][ T4073] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 65.579159][ T4073] CPU: 0 PID: 4073 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 65.587803][ T4073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.597835][ T4073] Call Trace: [ 65.601099][ T4073] [ 65.604005][ T4073] dump_stack_lvl+0x7f/0xc2 [ 65.609090][ T4073] should_fail_ex+0x131/0x140 [ 65.614361][ T4073] _copy_from_user+0x15/0x70 [ 65.619582][ T4073] kstrtouint_from_user+0x82/0xd0 [ 65.624593][ T4073] proc_fail_nth_write+0x35/0xc0 [ 65.629678][ T4073] vfs_write+0x150/0x3e0 [ 65.634088][ T4073] ksys_write+0x6c/0xd0 [ 65.638308][ T4073] do_syscall_64+0x3d/0x80 [ 65.642783][ T4073] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.649355][ T4073] RIP: 0033:0x7f192ec7b7af [ 65.653912][ T4073] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.674570][ T4073] RSP: 002b:00007f192fa070c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.684273][ T4073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 65.694397][ T4073] RDX: 0000000000000001 RSI: 00007f192fa07130 RDI: 0000000000000004 [ 65.702541][ T4073] RBP: 00007f192fa07120 R08: 0000000000000000 R09: 0000000000000000 [ 65.710671][ T4073] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.719321][ T4073] R13: 000000000000006e R14: 00007f192ed9c120 R15: 00007ffc7e506f28 [ 65.727906][ T4073] [ 65.732632][ T4074] FAULT_INJECTION: forcing a failure. [ 65.732632][ T4074] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 65.732632][ T4075] FAULT_INJECTION: forcing a failure. [ 65.732632][ T4075] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 65.732640][ T4074] CPU: 0 PID: 4074 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 65.767801][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.777825][ T4074] Call Trace: [ 65.781090][ T4074] [ 65.784001][ T4074] dump_stack_lvl+0x7f/0xc2 [ 65.788481][ T4074] should_fail_ex+0x131/0x140 [ 65.793215][ T4074] _copy_from_user+0x15/0x70 [ 65.797777][ T4074] kstrtouint_from_user+0x82/0xd0 [ 65.802772][ T4074] proc_fail_nth_write+0x35/0xc0 [ 65.808036][ T4074] vfs_write+0x150/0x3e0 [ 65.812289][ T4074] ksys_write+0x6c/0xd0 [ 65.817130][ T4074] do_syscall_64+0x3d/0x80 [ 65.821830][ T4074] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.827816][ T4074] RIP: 0033:0x7fedc787b7af [ 65.832206][ T4074] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 65.852570][ T4074] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 65.861754][ T4074] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 65.869967][ T4074] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000004 [ 65.879140][ T4074] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 65.887629][ T4074] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 65.895937][ T4074] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 [ 65.904382][ T4074] [ 65.907398][ T4075] CPU: 1 PID: 4075 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 65.916330][ T4075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 65.926649][ T4075] Call Trace: [ 65.930155][ T4075] [ 65.933234][ T4075] dump_stack_lvl+0x7f/0xc2 [ 65.938339][ T4075] should_fail_ex+0x131/0x140 [ 65.943342][ T4075] _copy_from_user+0x15/0x70 [ 65.948266][ T4075] kstrtouint_from_user+0x82/0xd0 [ 65.953470][ T4075] proc_fail_nth_write+0x35/0xc0 [ 65.958733][ T4075] vfs_write+0x150/0x3e0 [ 65.963034][ T4075] ksys_write+0x6c/0xd0 [ 65.967160][ T4075] do_syscall_64+0x3d/0x80 [ 65.971804][ T4075] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.977767][ T4075] RIP: 0033:0x7fcadc27b7af [ 65.982260][ T4075] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.003069][ T4075] RSP: 002b:00007fcadcf150c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.011474][ T4075] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 66.019428][ T4075] RDX: 0000000000000001 RSI: 00007fcadcf15130 RDI: 0000000000000004 [ 66.027544][ T4075] RBP: 00007fcadcf15120 R08: 0000000000000000 R09: 0000000000000000 [ 66.035846][ T4075] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.044072][ T4075] R13: 000000000000006e R14: 00007fcadc39c050 R15: 00007ffe9ec2e278 [ 66.052468][ T4075] [ 66.055492][ C1] vkms_vblank_simulate: vblank timer overrun [ 66.062201][ T4076] FAULT_INJECTION: forcing a failure. [ 66.062201][ T4076] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.075918][ T4076] CPU: 0 PID: 4076 Comm: syz-executor.3 Not tainted 6.1.54-syzkaller #0 [ 66.084599][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.096038][ T4076] Call Trace: [ 66.099296][ T4076] [ 66.102308][ T4076] dump_stack_lvl+0x7f/0xc2 [ 66.106804][ T4076] should_fail_ex+0x131/0x140 [ 66.111555][ T4076] _copy_from_user+0x15/0x70 [ 66.116304][ T4076] kstrtouint_from_user+0x82/0xd0 [ 66.121475][ T4076] proc_fail_nth_write+0x35/0xc0 [ 66.126469][ T4076] vfs_write+0x150/0x3e0 [ 66.130897][ T4076] ksys_write+0x6c/0xd0 [ 66.135207][ T4076] do_syscall_64+0x3d/0x80 [ 66.139772][ T4076] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.146167][ T4076] RIP: 0033:0x7fec8447b7af [ 66.150639][ T4076] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.170993][ T4076] RSP: 002b:00007fec851b90c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.179371][ T4076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec8447b7af [ 66.187329][ T4076] RDX: 0000000000000001 RSI: 00007fec851b9130 RDI: 0000000000000004 [ 66.195360][ T4076] RBP: 00007fec851b9120 R08: 0000000000000000 R09: 0000000000000000 [ 66.203396][ T4076] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.211425][ T4076] R13: 000000000000006e R14: 00007fec8459c050 R15: 00007fffb8700d48 [ 66.219553][ T4076] [ 66.260148][ T4079] FAULT_INJECTION: forcing a failure. [ 66.260148][ T4079] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.273334][ T4079] CPU: 1 PID: 4079 Comm: syz-executor.5 Not tainted 6.1.54-syzkaller #0 [ 66.282523][ T4079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.293778][ T4079] Call Trace: [ 66.297317][ T4079] [ 66.300320][ T4079] dump_stack_lvl+0x7f/0xc2 [ 66.305065][ T4079] should_fail_ex+0x131/0x140 [ 66.310061][ T4079] _copy_from_user+0x15/0x70 [ 66.314723][ T4079] kstrtouint_from_user+0x82/0xd0 [ 66.320422][ T4079] proc_fail_nth_write+0x35/0xc0 [ 66.325512][ T4079] vfs_write+0x150/0x3e0 [ 66.329750][ T4079] ksys_write+0x6c/0xd0 [ 66.334160][ T4079] do_syscall_64+0x3d/0x80 [ 66.338892][ T4079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.344754][ T4079] RIP: 0033:0x7efd0747b7af [ 66.349173][ T4079] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.369300][ T4079] RSP: 002b:00007efd0822b0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.377693][ T4079] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd0747b7af [ 66.385669][ T4079] RDX: 0000000000000001 RSI: 00007efd0822b130 RDI: 0000000000000004 [ 66.393619][ T4079] RBP: 00007efd0822b120 R08: 0000000000000000 R09: 0000000000000000 [ 66.401649][ T4079] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.409936][ T4079] R13: 0000000000000006 R14: 00007efd0759bf80 R15: 00007ffcbc93b2d8 [ 66.418060][ T4079] [ 66.421261][ C1] vkms_vblank_simulate: vblank timer overrun [ 66.427894][ T4083] FAULT_INJECTION: forcing a failure. [ 66.427894][ T4083] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.441508][ T4083] CPU: 1 PID: 4083 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 66.451220][ T4083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.461432][ T4083] Call Trace: [ 66.464784][ T4083] [ 66.467773][ T4083] dump_stack_lvl+0x7f/0xc2 [ 66.472265][ T4083] should_fail_ex+0x131/0x140 [ 66.476996][ T4083] _copy_from_user+0x15/0x70 [ 66.481551][ T4083] kstrtouint_from_user+0x82/0xd0 [ 66.486547][ T4083] proc_fail_nth_write+0x35/0xc0 [ 66.491541][ T4083] vfs_write+0x150/0x3e0 [ 66.495749][ T4083] ksys_write+0x6c/0xd0 [ 66.500048][ T4088] FAULT_INJECTION: forcing a failure. [ 66.500048][ T4088] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.500076][ T4083] do_syscall_64+0x3d/0x80 [ 66.517800][ T4083] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.523840][ T4083] RIP: 0033:0x7fedc787b7af [ 66.528226][ T4083] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.547916][ T4083] RSP: 002b:00007fedc866a0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.556297][ T4083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 66.564650][ T4083] RDX: 0000000000000001 RSI: 00007fedc866a130 RDI: 0000000000000004 [ 66.572789][ T4083] RBP: 00007fedc866a120 R08: 0000000000000000 R09: 0000000000000000 [ 66.581752][ T4083] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.589961][ T4083] R13: 0000000000000006 R14: 00007fedc799bf80 R15: 00007ffc2fdf6838 [ 66.598102][ T4083] [ 66.601461][ T4088] CPU: 0 PID: 4088 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 66.601489][ C1] vkms_vblank_simulate: vblank timer overrun [ 66.610127][ T4088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.617350][ T4089] FAULT_INJECTION: forcing a failure. [ 66.617350][ T4089] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.626381][ T4088] Call Trace: [ 66.626385][ T4088] [ 66.626387][ T4088] dump_stack_lvl+0x7f/0xc2 [ 66.626397][ T4088] should_fail_ex+0x131/0x140 [ 66.626402][ T4088] _copy_from_user+0x15/0x70 [ 66.626407][ T4088] kstrtouint_from_user+0x82/0xd0 [ 66.626412][ T4088] proc_fail_nth_write+0x35/0xc0 [ 66.670178][ T4088] vfs_write+0x150/0x3e0 [ 66.674390][ T4088] ksys_write+0x6c/0xd0 [ 66.678642][ T4088] do_syscall_64+0x3d/0x80 [ 66.683027][ T4088] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.689023][ T4088] RIP: 0033:0x7fcadc27b7af [ 66.693494][ T4088] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.713428][ T4088] RSP: 002b:00007fcadcf150c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.721902][ T4088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcadc27b7af [ 66.729840][ T4088] RDX: 0000000000000001 RSI: 00007fcadcf15130 RDI: 0000000000000004 [ 66.738042][ T4088] RBP: 00007fcadcf15120 R08: 0000000000000000 R09: 0000000000000000 [ 66.746180][ T4088] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.754138][ T4088] R13: 000000000000006e R14: 00007fcadc39c050 R15: 00007ffe9ec2e278 [ 66.762292][ T4088] [ 66.765299][ T4089] CPU: 1 PID: 4089 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 66.773712][ T4089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.783738][ T4089] Call Trace: [ 66.787006][ T4089] [ 66.790001][ T4089] dump_stack_lvl+0x7f/0xc2 [ 66.794477][ T4089] should_fail_ex+0x131/0x140 [ 66.799210][ T4089] _copy_from_user+0x15/0x70 [ 66.803771][ T4089] kstrtouint_from_user+0x82/0xd0 [ 66.808947][ T4089] proc_fail_nth_write+0x35/0xc0 [ 66.814127][ T4089] vfs_write+0x150/0x3e0 [ 66.818363][ T4089] ksys_write+0x6c/0xd0 [ 66.822506][ T4089] do_syscall_64+0x3d/0x80 [ 66.826898][ T4089] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.832770][ T4089] RIP: 0033:0x7f86cd27b7af [ 66.837239][ T4089] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 66.857072][ T4089] RSP: 002b:00007f86ce0010c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 66.865457][ T4089] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 66.873392][ T4089] RDX: 0000000000000001 RSI: 00007f86ce001130 RDI: 0000000000000004 [ 66.881451][ T4089] RBP: 00007f86ce001120 R08: 0000000000000000 R09: 0000000000000000 [ 66.889652][ T4089] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 66.897687][ T4089] R13: 000000000000006e R14: 00007f86cd39c050 R15: 00007ffc4e959b48 [ 66.905889][ T4089] [ 66.908899][ C1] vkms_vblank_simulate: vblank timer overrun [ 66.917681][ T4091] FAULT_INJECTION: forcing a failure. [ 66.917681][ T4091] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 66.930975][ T4091] CPU: 0 PID: 4091 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0 [ 66.939283][ T4091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 66.949413][ T4091] Call Trace: [ 66.952693][ T4091] [ 66.955634][ T4091] dump_stack_lvl+0x7f/0xc2 [ 66.960362][ T4091] should_fail_ex+0x131/0x140 [ 66.965026][ T4091] _copy_from_user+0x15/0x70 [ 66.969584][ T4091] kstrtouint_from_user+0x82/0xd0 [ 66.974575][ T4091] proc_fail_nth_write+0x35/0xc0 [ 66.979565][ T4091] vfs_write+0x150/0x3e0 [ 66.983885][ T4091] ksys_write+0x6c/0xd0 [ 66.988024][ T4091] do_syscall_64+0x3d/0x80 [ 66.992413][ T4091] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.998358][ T4091] RIP: 0033:0x7f192ec7b7af [ 67.002840][ T4091] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 67.022771][ T4091] RSP: 002b:00007f192fa070c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 67.031157][ T4091] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f192ec7b7af [ 67.039270][ T4091] RDX: 0000000000000001 RSI: 00007f192fa07130 RDI: 0000000000000004 [ 67.047390][ T4091] RBP: 00007f192fa07120 R08: 0000000000000000 R09: 0000000000000000 [ 67.055516][ T4091] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 67.063770][ T4091] R13: 000000000000006e R14: 00007f192ed9c120 R15: 00007ffc7e506f28 [ 67.072465][ T4091] [ 67.080444][ T4096] FAULT_INJECTION: forcing a failure. [ 67.080444][ T4096] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 67.081334][ T4097] FAULT_INJECTION: forcing a failure. [ 67.081334][ T4097] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 67.095466][ T4096] CPU: 0 PID: 4096 Comm: syz-executor.1 Not tainted 6.1.54-syzkaller #0 [ 67.095474][ T4096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 67.095477][ T4096] Call Trace: [ 67.095481][ T4096] [ 67.095484][ T4096] dump_stack_lvl+0x7f/0xc2 [ 67.095495][ T4096] should_fail_ex+0x131/0x140 [ 67.095500][ T4096] _copy_from_user+0x15/0x70 [ 67.095505][ T4096] kstrtouint_from_user+0x82/0xd0 [ 67.095510][ T4096] proc_fail_nth_write+0x35/0xc0 [ 67.095516][ T4096] vfs_write+0x150/0x3e0 [ 67.095520][ T4096] ksys_write+0x6c/0xd0 [ 67.095524][ T4096] do_syscall_64+0x3d/0x80 [ 67.095528][ T4096] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.095535][ T4096] RIP: 0033:0x7f86cd27b7af [ 67.095540][ T4096] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 67.095543][ T4096] RSP: 002b:00007f86ce0010c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 67.095548][ T4096] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86cd27b7af [ 67.095550][ T4096] RDX: 0000000000000001 RSI: 00007f86ce001130 RDI: 0000000000000004 [ 67.229993][ T4096] RBP: 00007f86ce001120 R08: 0000000000000000 R09: 0000000000000000 [ 67.237961][ T4096] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 67.246256][ T4096] R13: 000000000000006e R14: 00007f86cd39c050 R15: 00007ffc4e959b48 [ 67.254636][ T4096] [ 67.257813][ T4097] CPU: 1 PID: 4097 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 [ 67.266214][ T4097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 67.276667][ T4097] Call Trace: [ 67.280058][ T4097] [ 67.282964][ T4097] dump_stack_lvl+0x7f/0xc2 [ 67.287793][ T4097] should_fail_ex+0x131/0x140 [ 67.292548][ T4097] _copy_from_user+0x15/0x70 [ 67.297250][ T4097] kstrtouint_from_user+0x82/0xd0 [ 67.302370][ T4097] proc_fail_nth_write+0x35/0xc0 [ 67.307659][ T4097] vfs_write+0x150/0x3e0 [ 67.311936][ T4097] ksys_write+0x6c/0xd0 [ 67.316230][ T4097] do_syscall_64+0x3d/0x80 [ 67.320647][ T4097] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.326507][ T4097] RIP: 0033:0x7fedc787b7af [ 67.330976][ T4097] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 a9 7f 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 fc 7f 02 00 48 [ 67.351250][ T4097] RSP: 002b:00007fedc86490c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 67.359736][ T4097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedc787b7af [ 67.365136][ T4082] ------------[ cut here ]------------ [ 67.367855][ T4097] RDX: 0000000000000001 RSI: 00007fedc8649130 RDI: 0000000000000004 [ 67.367858][ T4097] RBP: 00007fedc8649120 R08: 0000000000000000 R09: 0000000000000000 [ 67.367860][ T4097] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 67.367862][ T4097] R13: 000000000000006e R14: 00007fedc799c050 R15: 00007ffc2fdf6838 [ 67.367868][ T4097] [ 67.367891][ C1] vkms_vblank_simulate: vblank timer overrun [ 67.373498][ T4082] platform vkms: vblank wait timed out on crtc 0 [ 67.421138][ T4082] WARNING: CPU: 0 PID: 4082 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x2cb/0x2e0 [ 67.431736][ T4082] Modules linked in: [ 67.435612][ T4082] CPU: 0 PID: 4082 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 67.443897][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 67.454034][ T4082] RIP: 0010:drm_wait_one_vblank+0x2cb/0x2e0 [ 67.460031][ T4082] Code: 24 08 e8 f8 7d 1f 00 49 8b 4c 24 08 48 8b 51 50 48 85 d2 75 03 48 8b 11 48 c7 c7 6f 47 da 82 48 89 c6 44 89 f9 e8 b5 27 7b ff <0f> 0b e9 b2 fe ff ff e8 d9 84 a5 00 66 0f 1f 84 00 00 00 00 00 48 [ 67.480426][ T4082] RSP: 0018:ffffc90001bb3d00 EFLAGS: 00010246 [ 67.486480][ T4082] RAX: 658048ba9cc5b700 RBX: ffff888100212430 RCX: 0000000000000002 [ 67.494594][ T4082] RDX: ffff888237c26e00 RSI: ffffffff82d56176 RDI: 00000000ffffffff [ 67.502718][ T4082] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff83125a10 [ 67.510695][ T4082] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff888106a7c000 [ 67.519283][ T4082] R13: 0000000000000f40 R14: 0000000000000000 R15: 0000000000000000 [ 67.527356][ T4082] FS: 00007fcadcf366c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 67.536379][ T4082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.543032][ T4082] CR2: 00007f192ed7afe0 CR3: 0000000106b29000 CR4: 00000000003506f0 [ 67.551100][ T4082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.559078][ T4082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.567076][ T4082] Call Trace: [ 67.570339][ T4082] [ 67.573268][ T4082] ? __warn+0xc0/0x1f0 [ 67.577352][ T4082] ? drm_wait_one_vblank+0x2cb/0x2e0 [ 67.582721][ T4082] ? report_bug+0xca/0x160 [ 67.587410][ T4082] ? handle_bug+0x3d/0x70 [ 67.591725][ T4082] ? exc_invalid_op+0x16/0x40 [ 67.596392][ T4082] ? asm_exc_invalid_op+0x16/0x20 [ 67.601419][ T4082] ? drm_wait_one_vblank+0x2cb/0x2e0 [ 67.606926][ T4082] ? wake_bit_function+0x70/0x70 [ 67.612027][ T4082] drm_fb_helper_ioctl+0x6a/0x90 [ 67.617054][ T4082] do_fb_ioctl+0x103/0x440 [ 67.621458][ T4082] __se_sys_ioctl+0x6a/0xb0 [ 67.626133][ T4082] do_syscall_64+0x3d/0x80 [ 67.630592][ T4082] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.636520][ T4082] RIP: 0033:0x7fcadc27c959 [ 67.641087][ T4082] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.661297][ T4082] RSP: 002b:00007fcadcf360c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 67.669791][ T4082] RAX: ffffffffffffffda RBX: 00007fcadc39bf80 RCX: 00007fcadc27c959 [ 67.677759][ T4082] RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003 [ 67.685719][ T4082] RBP: 00007fcadc2d8c88 R08: 0000000000000000 R09: 0000000000000000 [ 67.693777][ T4082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.702437][ T4082] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 67.710765][ T4082] [ 67.713843][ T4082] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 67.721268][ T4082] CPU: 0 PID: 4082 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0 [ 67.729671][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 67.740052][ T4082] Call Trace: [ 67.743339][ T4082] [ 67.746333][ T4082] dump_stack_lvl+0x7f/0xc2 [ 67.750804][ T4082] panic+0x114/0x2b4 [ 67.754666][ T4082] ? drm_wait_one_vblank+0x2cb/0x2e0 [ 67.760092][ T4082] __warn+0x162/0x1f0 [ 67.764139][ T4082] ? drm_wait_one_vblank+0x2cb/0x2e0 [ 67.769581][ T4082] report_bug+0xca/0x160 [ 67.773786][ T4082] handle_bug+0x3d/0x70 [ 67.777906][ T4082] exc_invalid_op+0x16/0x40 [ 67.782380][ T4082] asm_exc_invalid_op+0x16/0x20 [ 67.787280][ T4082] RIP: 0010:drm_wait_one_vblank+0x2cb/0x2e0 [ 67.793317][ T4082] Code: 24 08 e8 f8 7d 1f 00 49 8b 4c 24 08 48 8b 51 50 48 85 d2 75 03 48 8b 11 48 c7 c7 6f 47 da 82 48 89 c6 44 89 f9 e8 b5 27 7b ff <0f> 0b e9 b2 fe ff ff e8 d9 84 a5 00 66 0f 1f 84 00 00 00 00 00 48 [ 67.812989][ T4082] RSP: 0018:ffffc90001bb3d00 EFLAGS: 00010246 [ 67.819196][ T4082] RAX: 658048ba9cc5b700 RBX: ffff888100212430 RCX: 0000000000000002 [ 67.827309][ T4082] RDX: ffff888237c26e00 RSI: ffffffff82d56176 RDI: 00000000ffffffff [ 67.835328][ T4082] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff83125a10 [ 67.843276][ T4082] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff888106a7c000 [ 67.851217][ T4082] R13: 0000000000000f40 R14: 0000000000000000 R15: 0000000000000000 [ 67.859330][ T4082] ? wake_bit_function+0x70/0x70 [ 67.864236][ T4082] drm_fb_helper_ioctl+0x6a/0x90 [ 67.869135][ T4082] do_fb_ioctl+0x103/0x440 [ 67.873604][ T4082] __se_sys_ioctl+0x6a/0xb0 [ 67.878071][ T4082] do_syscall_64+0x3d/0x80 [ 67.882628][ T4082] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.888572][ T4082] RIP: 0033:0x7fcadc27c959 [ 67.892955][ T4082] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.912966][ T4082] RSP: 002b:00007fcadcf360c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 67.921864][ T4082] RAX: ffffffffffffffda RBX: 00007fcadc39bf80 RCX: 00007fcadc27c959 [ 67.930126][ T4082] RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003 [ 67.938329][ T4082] RBP: 00007fcadc2d8c88 R08: 0000000000000000 R09: 0000000000000000 [ 67.946439][ T4082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.954559][ T4082] R13: 0000000000000006 R14: 00007fcadc39bf80 R15: 00007ffe9ec2e278 [ 67.962705][ T4082] [ 67.966167][ T4082] Kernel Offset: disabled [ 67.970463][ T4082] Rebooting in 86400 seconds..