[ 39.543628] audit: type=1800 audit(1576199340.228:32): pid=7497 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0[ 40.440107] audit: type=1800 audit(1576199341.198:33): pid=7497 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.688988] kauditd_printk_skb: 2 callbacks suppressed [ 68.689004] audit: type=1400 audit(1576199369.448:36): avc: denied { map } for pid=7684 comm="syz-executor017" path="/root/syz-executor017511598" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 68.701602] FAULT_INJECTION: forcing a failure. [ 68.701602] name failslab, interval 1, probability 0, space 0, times 1 [ 68.720745] audit: type=1400 audit(1576199369.458:37): avc: denied { create } for pid=7685 comm="syz-executor017" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 68.732833] CPU: 0 PID: 7685 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 68.764313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.773924] Call Trace: [ 68.776528] dump_stack+0x197/0x210 [ 68.780161] should_fail.cold+0xa/0x1b [ 68.784106] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 68.789328] ? lock_downgrade+0x880/0x880 [ 68.793509] __should_failslab+0x121/0x190 [ 68.797750] should_failslab+0x9/0x14 [ 68.801541] __kmalloc+0x2e2/0x750 [ 68.805131] ? __lockdep_init_map+0x10c/0x5b0 [ 68.809673] ? rcu_read_lock_sched_held+0x110/0x130 [ 68.814702] ? __kfifo_alloc+0x17e/0x2a0 [ 68.818804] __kfifo_alloc+0x17e/0x2a0 [ 68.822771] gsm_dlci_alloc+0xd9/0x410 [ 68.826655] gsm_activate_mux+0x201/0x2a0 [ 68.830792] gsmld_open+0x52a/0x7c0 [ 68.834407] ? gsmld_compat_ioctl+0x40/0x40 [ 68.838721] tty_ldisc_open.isra.0+0x89/0xd0 [ 68.843124] tty_set_ldisc+0x2e3/0x690 [ 68.847042] tty_ioctl+0x65e/0x1510 [ 68.850658] ? tty_vhangup+0x30/0x30 [ 68.854370] ? proc_fail_nth_write+0x9d/0x1e0 [ 68.859458] ? proc_cwd_link+0x1d0/0x1d0 [ 68.863516] ? __might_sleep+0x95/0x190 [ 68.867490] ? vfs_write+0x2f0/0x560 [ 68.871197] ? tty_vhangup+0x30/0x30 [ 68.874904] do_vfs_ioctl+0xd5f/0x1380 [ 68.878830] ? selinux_file_ioctl+0x46f/0x5e0 [ 68.883318] ? selinux_file_ioctl+0x125/0x5e0 [ 68.887812] ? ioctl_preallocate+0x210/0x210 [ 68.892228] ? selinux_file_mprotect+0x620/0x620 [ 68.896982] ? __sb_end_write+0xd9/0x110 [ 68.901081] ? vfs_write+0x160/0x560 [ 68.904799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.910332] ? security_file_ioctl+0x8d/0xc0 [ 68.914753] ksys_ioctl+0xab/0xd0 [ 68.918200] __x64_sys_ioctl+0x73/0xb0 [ 68.922197] do_syscall_64+0xfd/0x620 [ 68.926022] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.931204] RIP: 0033:0x4412a9 [ 68.934394] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.953469] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.961798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 68.969070] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 68.976335] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 68.983606] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.990878] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.007516] FAULT_INJECTION: forcing a failure. [ 69.007516] name failslab, interval 1, probability 0, space 0, times 0 [ 69.018816] CPU: 1 PID: 7686 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 69.026601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.035960] Call Trace: [ 69.038550] dump_stack+0x197/0x210 [ 69.042171] should_fail.cold+0xa/0x1b [ 69.046049] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 69.051143] ? lock_downgrade+0x880/0x880 [ 69.055289] __should_failslab+0x121/0x190 [ 69.059517] should_failslab+0x9/0x14 [ 69.063309] __kmalloc+0x2e2/0x750 [ 69.066842] ? __lockdep_init_map+0x10c/0x5b0 [ 69.071333] ? rcu_read_lock_sched_held+0x110/0x130 [ 69.076348] ? __kfifo_alloc+0x17e/0x2a0 [ 69.080404] __kfifo_alloc+0x17e/0x2a0 [ 69.084287] gsm_dlci_alloc+0xd9/0x410 [ 69.088164] gsm_activate_mux+0x201/0x2a0 [ 69.092300] gsmld_open+0x52a/0x7c0 [ 69.095915] ? gsmld_compat_ioctl+0x40/0x40 [ 69.100242] tty_ldisc_open.isra.0+0x89/0xd0 [ 69.104643] tty_set_ldisc+0x2e3/0x690 [ 69.108519] tty_ioctl+0x65e/0x1510 [ 69.112133] ? tty_vhangup+0x30/0x30 [ 69.115836] ? proc_fail_nth_write+0x9d/0x1e0 [ 69.120317] ? proc_cwd_link+0x1d0/0x1d0 [ 69.124399] ? __might_sleep+0x95/0x190 [ 69.128370] ? vfs_write+0x2f0/0x560 [ 69.132070] ? tty_vhangup+0x30/0x30 [ 69.135788] do_vfs_ioctl+0xd5f/0x1380 [ 69.139672] ? selinux_file_ioctl+0x46f/0x5e0 [ 69.144160] ? selinux_file_ioctl+0x125/0x5e0 [ 69.148653] ? ioctl_preallocate+0x210/0x210 [ 69.153061] ? selinux_file_mprotect+0x620/0x620 [ 69.157822] ? __sb_end_write+0xd9/0x110 [ 69.161893] ? vfs_write+0x160/0x560 [ 69.165605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.171133] ? security_file_ioctl+0x8d/0xc0 [ 69.175548] ksys_ioctl+0xab/0xd0 [ 69.179009] __x64_sys_ioctl+0x73/0xb0 [ 69.182888] do_syscall_64+0xfd/0x620 [ 69.186683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.191873] RIP: 0033:0x4412a9 [ 69.195064] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.213981] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.221691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 69.228951] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 69.236212] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 69.243582] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.250851] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.265881] FAULT_INJECTION: forcing a failure. [ 69.265881] name failslab, interval 1, probability 0, space 0, times 0 [ 69.277165] CPU: 1 PID: 7687 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 69.284955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.294325] Call Trace: [ 69.296934] dump_stack+0x197/0x210 [ 69.300554] should_fail.cold+0xa/0x1b [ 69.304430] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 69.309525] ? lock_downgrade+0x880/0x880 [ 69.313665] __should_failslab+0x121/0x190 [ 69.317896] should_failslab+0x9/0x14 [ 69.321684] __kmalloc+0x2e2/0x750 [ 69.325220] ? __lockdep_init_map+0x10c/0x5b0 [ 69.329716] ? rcu_read_lock_sched_held+0x110/0x130 [ 69.334721] ? __kfifo_alloc+0x17e/0x2a0 [ 69.338776] __kfifo_alloc+0x17e/0x2a0 [ 69.342654] gsm_dlci_alloc+0xd9/0x410 [ 69.346527] gsm_activate_mux+0x201/0x2a0 [ 69.350662] gsmld_open+0x52a/0x7c0 [ 69.354280] ? gsmld_compat_ioctl+0x40/0x40 [ 69.358588] tty_ldisc_open.isra.0+0x89/0xd0 [ 69.362981] tty_set_ldisc+0x2e3/0x690 [ 69.366859] tty_ioctl+0x65e/0x1510 [ 69.370479] ? tty_vhangup+0x30/0x30 [ 69.374181] ? proc_fail_nth_write+0x9d/0x1e0 [ 69.378672] ? proc_cwd_link+0x1d0/0x1d0 [ 69.382756] ? __might_sleep+0x95/0x190 [ 69.386735] ? vfs_write+0x2f0/0x560 [ 69.390448] ? tty_vhangup+0x30/0x30 [ 69.394163] do_vfs_ioctl+0xd5f/0x1380 [ 69.398048] ? selinux_file_ioctl+0x46f/0x5e0 [ 69.402543] ? selinux_file_ioctl+0x125/0x5e0 [ 69.407032] ? ioctl_preallocate+0x210/0x210 [ 69.411447] ? selinux_file_mprotect+0x620/0x620 [ 69.416211] ? __sb_end_write+0xd9/0x110 [ 69.420280] ? vfs_write+0x160/0x560 [ 69.424131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.429673] ? security_file_ioctl+0x8d/0xc0 [ 69.434188] ksys_ioctl+0xab/0xd0 [ 69.437640] __x64_sys_ioctl+0x73/0xb0 [ 69.441521] do_syscall_64+0xfd/0x620 [ 69.445316] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.450494] RIP: 0033:0x4412a9 [ 69.453674] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.472580] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.480293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 69.487557] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 69.494843] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 69.502112] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.509375] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.523628] FAULT_INJECTION: forcing a failure. [ 69.523628] name failslab, interval 1, probability 0, space 0, times 0 [ 69.534918] CPU: 0 PID: 7688 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 69.542829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.552274] Call Trace: [ 69.554862] dump_stack+0x197/0x210 [ 69.558481] should_fail.cold+0xa/0x1b [ 69.563057] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 69.568152] ? lock_downgrade+0x880/0x880 [ 69.572341] __should_failslab+0x121/0x190 [ 69.576567] should_failslab+0x9/0x14 [ 69.580355] __kmalloc+0x2e2/0x750 [ 69.583885] ? __lockdep_init_map+0x10c/0x5b0 [ 69.588379] ? rcu_read_lock_sched_held+0x110/0x130 [ 69.593384] ? __kfifo_alloc+0x17e/0x2a0 [ 69.597431] __kfifo_alloc+0x17e/0x2a0 [ 69.601312] gsm_dlci_alloc+0xd9/0x410 [ 69.605198] gsm_activate_mux+0x201/0x2a0 [ 69.609332] gsmld_open+0x52a/0x7c0 [ 69.612951] ? gsmld_compat_ioctl+0x40/0x40 [ 69.617260] tty_ldisc_open.isra.0+0x89/0xd0 [ 69.621655] tty_set_ldisc+0x2e3/0x690 [ 69.625529] tty_ioctl+0x65e/0x1510 [ 69.629142] ? tty_vhangup+0x30/0x30 [ 69.632856] ? proc_fail_nth_write+0x9d/0x1e0 [ 69.637351] ? proc_cwd_link+0x1d0/0x1d0 [ 69.641409] ? __might_sleep+0x95/0x190 [ 69.645370] ? vfs_write+0x2f0/0x560 [ 69.649071] ? tty_vhangup+0x30/0x30 [ 69.652790] do_vfs_ioctl+0xd5f/0x1380 [ 69.656684] ? selinux_file_ioctl+0x46f/0x5e0 [ 69.661634] ? selinux_file_ioctl+0x125/0x5e0 [ 69.666146] ? ioctl_preallocate+0x210/0x210 [ 69.670559] ? selinux_file_mprotect+0x620/0x620 [ 69.675309] ? __sb_end_write+0xd9/0x110 [ 69.679371] ? vfs_write+0x160/0x560 [ 69.683152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.688685] ? security_file_ioctl+0x8d/0xc0 [ 69.693083] ksys_ioctl+0xab/0xd0 [ 69.696528] __x64_sys_ioctl+0x73/0xb0 [ 69.700422] do_syscall_64+0xfd/0x620 [ 69.704233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.709406] RIP: 0033:0x4412a9 [ 69.712587] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.731477] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 69.739176] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 69.746431] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 69.753687] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 69.760943] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.768209] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 69.782261] FAULT_INJECTION: forcing a failure. [ 69.782261] name failslab, interval 1, probability 0, space 0, times 0 [ 69.793773] CPU: 1 PID: 7689 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 69.801558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.810903] Call Trace: [ 69.813497] dump_stack+0x197/0x210 [ 69.817259] should_fail.cold+0xa/0x1b [ 69.821138] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 69.826259] ? lock_downgrade+0x880/0x880 [ 69.830456] __should_failslab+0x121/0x190 [ 69.834684] should_failslab+0x9/0x14 [ 69.838481] __kmalloc+0x2e2/0x750 [ 69.842018] ? __lockdep_init_map+0x10c/0x5b0 [ 69.846500] ? rcu_read_lock_sched_held+0x110/0x130 [ 69.851507] ? __kfifo_alloc+0x17e/0x2a0 [ 69.855582] __kfifo_alloc+0x17e/0x2a0 [ 69.859464] gsm_dlci_alloc+0xd9/0x410 [ 69.863340] gsm_activate_mux+0x201/0x2a0 [ 69.867476] gsmld_open+0x52a/0x7c0 [ 69.871094] ? gsmld_compat_ioctl+0x40/0x40 [ 69.875403] tty_ldisc_open.isra.0+0x89/0xd0 [ 69.879800] tty_set_ldisc+0x2e3/0x690 [ 69.883677] tty_ioctl+0x65e/0x1510 [ 69.887295] ? tty_vhangup+0x30/0x30 [ 69.891006] ? proc_fail_nth_write+0x9d/0x1e0 [ 69.895496] ? proc_cwd_link+0x1d0/0x1d0 [ 69.899557] ? __might_sleep+0x95/0x190 [ 69.903516] ? vfs_write+0x2f0/0x560 [ 69.907217] ? tty_vhangup+0x30/0x30 [ 69.910925] do_vfs_ioctl+0xd5f/0x1380 [ 69.914802] ? selinux_file_ioctl+0x46f/0x5e0 [ 69.919287] ? selinux_file_ioctl+0x125/0x5e0 [ 69.923889] ? ioctl_preallocate+0x210/0x210 [ 69.928281] ? selinux_file_mprotect+0x620/0x620 [ 69.933025] ? __sb_end_write+0xd9/0x110 [ 69.937076] ? vfs_write+0x160/0x560 [ 69.940795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.946333] ? security_file_ioctl+0x8d/0xc0 [ 69.950737] ksys_ioctl+0xab/0xd0 [ 69.954188] __x64_sys_ioctl+0x73/0xb0 [ 69.958079] do_syscall_64+0xfd/0x620 [ 69.961879] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.967066] RIP: 0033:0x4412a9 [ 69.970246] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 69.989240] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.997060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 70.004447] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 70.011705] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 70.019007] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.026278] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 70.039812] FAULT_INJECTION: forcing a failure. [ 70.039812] name failslab, interval 1, probability 0, space 0, times 0 [ 70.051214] CPU: 0 PID: 7690 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 70.059195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.068586] Call Trace: [ 70.071170] dump_stack+0x197/0x210 [ 70.074810] should_fail.cold+0xa/0x1b [ 70.078687] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 70.083786] ? lock_downgrade+0x880/0x880 [ 70.087930] __should_failslab+0x121/0x190 [ 70.092174] should_failslab+0x9/0x14 [ 70.095961] __kmalloc+0x2e2/0x750 [ 70.099486] ? __lockdep_init_map+0x10c/0x5b0 [ 70.103970] ? rcu_read_lock_sched_held+0x110/0x130 [ 70.108990] ? __kfifo_alloc+0x17e/0x2a0 [ 70.113052] __kfifo_alloc+0x17e/0x2a0 [ 70.116936] gsm_dlci_alloc+0xd9/0x410 [ 70.120814] gsm_activate_mux+0x201/0x2a0 [ 70.124950] gsmld_open+0x52a/0x7c0 [ 70.128564] ? gsmld_compat_ioctl+0x40/0x40 [ 70.132873] tty_ldisc_open.isra.0+0x89/0xd0 [ 70.137268] tty_set_ldisc+0x2e3/0x690 [ 70.141143] tty_ioctl+0x65e/0x1510 [ 70.144755] ? tty_vhangup+0x30/0x30 [ 70.148461] ? proc_fail_nth_write+0x9d/0x1e0 [ 70.152946] ? proc_cwd_link+0x1d0/0x1d0 [ 70.157017] ? __might_sleep+0x95/0x190 [ 70.161357] ? vfs_write+0x2f0/0x560 [ 70.165063] ? tty_vhangup+0x30/0x30 [ 70.168764] do_vfs_ioctl+0xd5f/0x1380 [ 70.172648] ? selinux_file_ioctl+0x46f/0x5e0 [ 70.177128] ? selinux_file_ioctl+0x125/0x5e0 [ 70.181607] ? ioctl_preallocate+0x210/0x210 [ 70.186453] ? selinux_file_mprotect+0x620/0x620 [ 70.191218] ? __sb_end_write+0xd9/0x110 [ 70.195268] ? vfs_write+0x160/0x560 [ 70.198971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.204495] ? security_file_ioctl+0x8d/0xc0 [ 70.208890] ksys_ioctl+0xab/0xd0 [ 70.212331] __x64_sys_ioctl+0x73/0xb0 [ 70.216225] do_syscall_64+0xfd/0x620 [ 70.220016] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.225195] RIP: 0033:0x4412a9 executing program [ 70.228377] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.247316] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.255018] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 70.262273] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 70.269529] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 70.276786] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.284061] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 70.299554] FAULT_INJECTION: forcing a failure. [ 70.299554] name failslab, interval 1, probability 0, space 0, times 0 [ 70.310851] CPU: 0 PID: 7691 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 70.318637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.327975] Call Trace: [ 70.330559] dump_stack+0x197/0x210 [ 70.334178] should_fail.cold+0xa/0x1b [ 70.338055] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 70.343148] ? lock_downgrade+0x880/0x880 [ 70.347290] __should_failslab+0x121/0x190 [ 70.351515] should_failslab+0x9/0x14 [ 70.355310] __kmalloc+0x2e2/0x750 [ 70.358858] ? __lockdep_init_map+0x10c/0x5b0 [ 70.363339] ? rcu_read_lock_sched_held+0x110/0x130 [ 70.368344] ? __kfifo_alloc+0x17e/0x2a0 [ 70.372393] __kfifo_alloc+0x17e/0x2a0 [ 70.376275] gsm_dlci_alloc+0xd9/0x410 [ 70.380150] gsm_activate_mux+0x201/0x2a0 [ 70.384287] gsmld_open+0x52a/0x7c0 [ 70.387913] ? gsmld_compat_ioctl+0x40/0x40 [ 70.392224] tty_ldisc_open.isra.0+0x89/0xd0 [ 70.396622] tty_set_ldisc+0x2e3/0x690 [ 70.400514] tty_ioctl+0x65e/0x1510 [ 70.404126] ? tty_vhangup+0x30/0x30 [ 70.407834] ? proc_fail_nth_write+0x9d/0x1e0 [ 70.412316] ? proc_cwd_link+0x1d0/0x1d0 [ 70.416377] ? __might_sleep+0x95/0x190 [ 70.420357] ? vfs_write+0x2f0/0x560 [ 70.424072] ? tty_vhangup+0x30/0x30 [ 70.427875] do_vfs_ioctl+0xd5f/0x1380 [ 70.431771] ? selinux_file_ioctl+0x46f/0x5e0 [ 70.436262] ? selinux_file_ioctl+0x125/0x5e0 [ 70.440758] ? ioctl_preallocate+0x210/0x210 [ 70.445161] ? selinux_file_mprotect+0x620/0x620 [ 70.449921] ? __sb_end_write+0xd9/0x110 [ 70.453974] ? vfs_write+0x160/0x560 [ 70.458113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.463646] ? security_file_ioctl+0x8d/0xc0 [ 70.468045] ksys_ioctl+0xab/0xd0 [ 70.471489] __x64_sys_ioctl+0x73/0xb0 [ 70.475370] do_syscall_64+0xfd/0x620 [ 70.479857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.485389] RIP: 0033:0x4412a9 [ 70.488578] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.507473] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.515216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 70.522476] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 70.529834] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 70.537089] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 70.544344] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 70.558579] FAULT_INJECTION: forcing a failure. [ 70.558579] name failslab, interval 1, probability 0, space 0, times 0 [ 70.569971] CPU: 1 PID: 7692 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 70.577756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.587097] Call Trace: [ 70.589680] dump_stack+0x197/0x210 [ 70.593319] should_fail.cold+0xa/0x1b [ 70.597201] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 70.602294] ? lock_downgrade+0x880/0x880 [ 70.606439] __should_failslab+0x121/0x190 [ 70.610664] should_failslab+0x9/0x14 [ 70.614460] __kmalloc+0x2e2/0x750 [ 70.617995] ? __lockdep_init_map+0x10c/0x5b0 [ 70.622494] ? rcu_read_lock_sched_held+0x110/0x130 [ 70.627497] ? __kfifo_alloc+0x17e/0x2a0 [ 70.631553] __kfifo_alloc+0x17e/0x2a0 [ 70.635431] gsm_dlci_alloc+0xd9/0x410 [ 70.639306] gsm_activate_mux+0x201/0x2a0 [ 70.643454] gsmld_open+0x52a/0x7c0 [ 70.647074] ? gsmld_compat_ioctl+0x40/0x40 [ 70.651442] tty_ldisc_open.isra.0+0x89/0xd0 [ 70.655845] tty_set_ldisc+0x2e3/0x690 [ 70.659724] tty_ioctl+0x65e/0x1510 [ 70.663342] ? tty_vhangup+0x30/0x30 [ 70.667047] ? proc_fail_nth_write+0x9d/0x1e0 [ 70.671531] ? proc_cwd_link+0x1d0/0x1d0 [ 70.675593] ? __might_sleep+0x95/0x190 [ 70.679554] ? vfs_write+0x2f0/0x560 [ 70.683256] ? tty_vhangup+0x30/0x30 [ 70.686960] do_vfs_ioctl+0xd5f/0x1380 [ 70.690832] ? selinux_file_ioctl+0x46f/0x5e0 [ 70.695314] ? selinux_file_ioctl+0x125/0x5e0 [ 70.699814] ? ioctl_preallocate+0x210/0x210 [ 70.704215] ? selinux_file_mprotect+0x620/0x620 [ 70.708965] ? __sb_end_write+0xd9/0x110 [ 70.713013] ? vfs_write+0x160/0x560 [ 70.716725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.722264] ? security_file_ioctl+0x8d/0xc0 [ 70.726661] ksys_ioctl+0xab/0xd0 [ 70.730105] __x64_sys_ioctl+0x73/0xb0 [ 70.733978] do_syscall_64+0xfd/0x620 [ 70.737787] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.742962] RIP: 0033:0x4412a9 [ 70.746156] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.765042] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.772737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 70.780002] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 70.787264] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 70.794524] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 70.801781] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 70.815713] FAULT_INJECTION: forcing a failure. [ 70.815713] name failslab, interval 1, probability 0, space 0, times 0 [ 70.826984] CPU: 0 PID: 7693 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 70.834769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.844113] Call Trace: [ 70.846701] dump_stack+0x197/0x210 [ 70.850321] should_fail.cold+0xa/0x1b [ 70.854200] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 70.859860] ? lock_downgrade+0x880/0x880 [ 70.864002] __should_failslab+0x121/0x190 [ 70.868227] should_failslab+0x9/0x14 [ 70.872014] __kmalloc+0x2e2/0x750 [ 70.875543] ? __lockdep_init_map+0x10c/0x5b0 [ 70.880029] ? rcu_read_lock_sched_held+0x110/0x130 [ 70.885032] ? __kfifo_alloc+0x17e/0x2a0 [ 70.889083] __kfifo_alloc+0x17e/0x2a0 [ 70.892962] gsm_dlci_alloc+0xd9/0x410 [ 70.896837] gsm_activate_mux+0x201/0x2a0 [ 70.900981] gsmld_open+0x52a/0x7c0 [ 70.904601] ? gsmld_compat_ioctl+0x40/0x40 [ 70.908923] tty_ldisc_open.isra.0+0x89/0xd0 [ 70.913319] tty_set_ldisc+0x2e3/0x690 [ 70.917210] tty_ioctl+0x65e/0x1510 [ 70.920837] ? tty_vhangup+0x30/0x30 [ 70.924548] ? proc_fail_nth_write+0x9d/0x1e0 [ 70.929032] ? proc_cwd_link+0x1d0/0x1d0 [ 70.933096] ? __might_sleep+0x95/0x190 [ 70.937066] ? vfs_write+0x2f0/0x560 [ 70.940767] ? tty_vhangup+0x30/0x30 [ 70.944478] do_vfs_ioctl+0xd5f/0x1380 [ 70.948369] ? selinux_file_ioctl+0x46f/0x5e0 [ 70.952855] ? selinux_file_ioctl+0x125/0x5e0 [ 70.957340] ? ioctl_preallocate+0x210/0x210 [ 70.961738] ? selinux_file_mprotect+0x620/0x620 [ 70.966484] ? __sb_end_write+0xd9/0x110 [ 70.970534] ? vfs_write+0x160/0x560 [ 70.974260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.979787] ? security_file_ioctl+0x8d/0xc0 [ 70.984195] ksys_ioctl+0xab/0xd0 [ 70.987647] __x64_sys_ioctl+0x73/0xb0 [ 70.991646] do_syscall_64+0xfd/0x620 [ 70.995444] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.000629] RIP: 0033:0x4412a9 [ 71.003838] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.022737] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.030436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 71.037695] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 71.044961] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 71.052216] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.059505] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 71.076632] FAULT_INJECTION: forcing a failure. [ 71.076632] name failslab, interval 1, probability 0, space 0, times 0 [ 71.087886] CPU: 1 PID: 7694 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 71.095667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.105075] Call Trace: [ 71.107669] dump_stack+0x197/0x210 [ 71.111314] should_fail.cold+0xa/0x1b [ 71.115203] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.120297] ? lock_downgrade+0x880/0x880 [ 71.124448] __should_failslab+0x121/0x190 [ 71.128683] should_failslab+0x9/0x14 [ 71.132485] __kmalloc+0x2e2/0x750 [ 71.136015] ? __lockdep_init_map+0x10c/0x5b0 [ 71.140496] ? rcu_read_lock_sched_held+0x110/0x130 [ 71.145504] ? __kfifo_alloc+0x17e/0x2a0 [ 71.149556] __kfifo_alloc+0x17e/0x2a0 [ 71.153433] gsm_dlci_alloc+0xd9/0x410 [ 71.157321] gsm_activate_mux+0x201/0x2a0 [ 71.162045] gsmld_open+0x52a/0x7c0 [ 71.165660] ? gsmld_compat_ioctl+0x40/0x40 [ 71.170406] tty_ldisc_open.isra.0+0x89/0xd0 [ 71.174819] tty_set_ldisc+0x2e3/0x690 [ 71.178724] tty_ioctl+0x65e/0x1510 [ 71.182340] ? tty_vhangup+0x30/0x30 [ 71.186059] ? proc_fail_nth_write+0x9d/0x1e0 [ 71.190543] ? proc_cwd_link+0x1d0/0x1d0 [ 71.194622] ? __might_sleep+0x95/0x190 [ 71.198592] ? vfs_write+0x2f0/0x560 [ 71.202290] ? tty_vhangup+0x30/0x30 [ 71.205990] do_vfs_ioctl+0xd5f/0x1380 [ 71.209866] ? selinux_file_ioctl+0x46f/0x5e0 [ 71.214348] ? selinux_file_ioctl+0x125/0x5e0 [ 71.218830] ? ioctl_preallocate+0x210/0x210 [ 71.223241] ? selinux_file_mprotect+0x620/0x620 [ 71.228009] ? __sb_end_write+0xd9/0x110 [ 71.232063] ? vfs_write+0x160/0x560 [ 71.235781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.241318] ? security_file_ioctl+0x8d/0xc0 [ 71.245738] ksys_ioctl+0xab/0xd0 [ 71.249184] __x64_sys_ioctl+0x73/0xb0 [ 71.253081] do_syscall_64+0xfd/0x620 [ 71.256915] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.262103] RIP: 0033:0x4412a9 [ 71.265294] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.284218] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.291978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 71.299247] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 71.306674] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 71.313935] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.321192] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 71.335332] FAULT_INJECTION: forcing a failure. [ 71.335332] name failslab, interval 1, probability 0, space 0, times 0 [ 71.346651] CPU: 0 PID: 7695 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 71.354433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.363858] Call Trace: [ 71.366443] dump_stack+0x197/0x210 [ 71.370077] should_fail.cold+0xa/0x1b [ 71.374045] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.379141] ? lock_downgrade+0x880/0x880 [ 71.383284] __should_failslab+0x121/0x190 [ 71.387560] should_failslab+0x9/0x14 [ 71.391350] __kmalloc+0x2e2/0x750 [ 71.394880] ? __lockdep_init_map+0x10c/0x5b0 [ 71.399418] ? rcu_read_lock_sched_held+0x110/0x130 [ 71.404424] ? __kfifo_alloc+0x17e/0x2a0 [ 71.408472] __kfifo_alloc+0x17e/0x2a0 [ 71.412349] gsm_dlci_alloc+0xd9/0x410 [ 71.416266] gsm_activate_mux+0x201/0x2a0 [ 71.420406] gsmld_open+0x52a/0x7c0 [ 71.424019] ? gsmld_compat_ioctl+0x40/0x40 [ 71.428400] tty_ldisc_open.isra.0+0x89/0xd0 [ 71.432796] tty_set_ldisc+0x2e3/0x690 [ 71.436670] tty_ioctl+0x65e/0x1510 [ 71.440283] ? tty_vhangup+0x30/0x30 [ 71.443982] ? proc_fail_nth_write+0x9d/0x1e0 [ 71.448461] ? proc_cwd_link+0x1d0/0x1d0 [ 71.452517] ? __might_sleep+0x95/0x190 [ 71.457270] ? vfs_write+0x2f0/0x560 [ 71.460973] ? tty_vhangup+0x30/0x30 [ 71.464674] do_vfs_ioctl+0xd5f/0x1380 [ 71.468557] ? selinux_file_ioctl+0x46f/0x5e0 [ 71.473049] ? selinux_file_ioctl+0x125/0x5e0 [ 71.477542] ? ioctl_preallocate+0x210/0x210 [ 71.481939] ? selinux_file_mprotect+0x620/0x620 [ 71.486686] ? __sb_end_write+0xd9/0x110 [ 71.490733] ? vfs_write+0x160/0x560 [ 71.494452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.499991] ? security_file_ioctl+0x8d/0xc0 [ 71.504396] ksys_ioctl+0xab/0xd0 [ 71.507841] __x64_sys_ioctl+0x73/0xb0 [ 71.511722] do_syscall_64+0xfd/0x620 [ 71.515516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.520765] RIP: 0033:0x4412a9 [ 71.523989] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.542888] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 71.550588] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 71.557844] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 71.565097] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 71.572350] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.579608] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 71.593854] FAULT_INJECTION: forcing a failure. [ 71.593854] name failslab, interval 1, probability 0, space 0, times 0 [ 71.605471] CPU: 1 PID: 7696 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 71.613259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.622630] Call Trace: [ 71.625221] dump_stack+0x197/0x210 [ 71.628889] should_fail.cold+0xa/0x1b [ 71.632766] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.638011] ? lock_downgrade+0x880/0x880 [ 71.642161] __should_failslab+0x121/0x190 [ 71.646386] should_failslab+0x9/0x14 [ 71.650189] __kmalloc+0x2e2/0x750 [ 71.653842] ? __lockdep_init_map+0x10c/0x5b0 [ 71.658989] ? rcu_read_lock_sched_held+0x110/0x130 [ 71.664066] ? __kfifo_alloc+0x17e/0x2a0 [ 71.668126] __kfifo_alloc+0x17e/0x2a0 [ 71.672008] gsm_dlci_alloc+0xd9/0x410 [ 71.675886] gsm_activate_mux+0x201/0x2a0 [ 71.680024] gsmld_open+0x52a/0x7c0 [ 71.683639] ? gsmld_compat_ioctl+0x40/0x40 [ 71.687954] tty_ldisc_open.isra.0+0x89/0xd0 [ 71.692352] tty_set_ldisc+0x2e3/0x690 [ 71.696228] tty_ioctl+0x65e/0x1510 [ 71.699877] ? tty_vhangup+0x30/0x30 [ 71.703581] ? proc_fail_nth_write+0x9d/0x1e0 [ 71.708067] ? proc_cwd_link+0x1d0/0x1d0 [ 71.712173] ? __might_sleep+0x95/0x190 [ 71.716142] ? vfs_write+0x2f0/0x560 [ 71.719844] ? tty_vhangup+0x30/0x30 [ 71.723560] do_vfs_ioctl+0xd5f/0x1380 [ 71.727437] ? selinux_file_ioctl+0x46f/0x5e0 [ 71.731939] ? selinux_file_ioctl+0x125/0x5e0 [ 71.736423] ? ioctl_preallocate+0x210/0x210 [ 71.740825] ? selinux_file_mprotect+0x620/0x620 [ 71.745587] ? __sb_end_write+0xd9/0x110 [ 71.749634] ? vfs_write+0x160/0x560 [ 71.753341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.758866] ? security_file_ioctl+0x8d/0xc0 [ 71.763269] ksys_ioctl+0xab/0xd0 [ 71.766734] __x64_sys_ioctl+0x73/0xb0 [ 71.770611] do_syscall_64+0xfd/0x620 [ 71.774402] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.779589] RIP: 0033:0x4412a9 [ 71.782780] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 71.801676] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.809385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 71.816647] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 71.823900] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 71.831153] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.838406] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 71.852268] FAULT_INJECTION: forcing a failure. [ 71.852268] name failslab, interval 1, probability 0, space 0, times 0 [ 71.863707] CPU: 0 PID: 7697 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 71.871493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.880830] Call Trace: [ 71.883413] dump_stack+0x197/0x210 [ 71.887057] should_fail.cold+0xa/0x1b [ 71.890933] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.896033] ? lock_downgrade+0x880/0x880 [ 71.900187] __should_failslab+0x121/0x190 [ 71.904411] should_failslab+0x9/0x14 [ 71.908198] __kmalloc+0x2e2/0x750 [ 71.911728] ? __lockdep_init_map+0x10c/0x5b0 [ 71.916212] ? rcu_read_lock_sched_held+0x110/0x130 [ 71.921216] ? __kfifo_alloc+0x17e/0x2a0 [ 71.925285] __kfifo_alloc+0x17e/0x2a0 [ 71.929178] gsm_dlci_alloc+0xd9/0x410 [ 71.933054] gsm_activate_mux+0x201/0x2a0 [ 71.937190] gsmld_open+0x52a/0x7c0 [ 71.940806] ? gsmld_compat_ioctl+0x40/0x40 [ 71.945145] tty_ldisc_open.isra.0+0x89/0xd0 [ 71.949544] tty_set_ldisc+0x2e3/0x690 [ 71.953420] tty_ioctl+0x65e/0x1510 [ 71.957031] ? tty_vhangup+0x30/0x30 [ 71.960744] ? proc_fail_nth_write+0x9d/0x1e0 [ 71.965224] ? proc_cwd_link+0x1d0/0x1d0 [ 71.969282] ? __might_sleep+0x95/0x190 [ 71.973242] ? vfs_write+0x2f0/0x560 [ 71.976954] ? tty_vhangup+0x30/0x30 [ 71.980720] do_vfs_ioctl+0xd5f/0x1380 [ 71.984605] ? selinux_file_ioctl+0x46f/0x5e0 [ 71.989139] ? selinux_file_ioctl+0x125/0x5e0 [ 71.993628] ? ioctl_preallocate+0x210/0x210 [ 71.998027] ? selinux_file_mprotect+0x620/0x620 [ 72.002782] ? __sb_end_write+0xd9/0x110 [ 72.006930] ? vfs_write+0x160/0x560 [ 72.010648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.016614] ? security_file_ioctl+0x8d/0xc0 [ 72.021021] ksys_ioctl+0xab/0xd0 [ 72.024560] __x64_sys_ioctl+0x73/0xb0 [ 72.028447] do_syscall_64+0xfd/0x620 [ 72.032298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.037593] RIP: 0033:0x4412a9 executing program [ 72.040779] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.060606] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.068305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 72.075565] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 72.082822] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 72.090129] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.097606] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 72.111362] FAULT_INJECTION: forcing a failure. [ 72.111362] name failslab, interval 1, probability 0, space 0, times 0 [ 72.122973] CPU: 1 PID: 7698 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 72.130766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.140121] Call Trace: [ 72.142710] dump_stack+0x197/0x210 [ 72.146384] should_fail.cold+0xa/0x1b [ 72.150262] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.155365] ? lock_downgrade+0x880/0x880 [ 72.159525] __should_failslab+0x121/0x190 [ 72.163795] should_failslab+0x9/0x14 [ 72.167883] __kmalloc+0x2e2/0x750 [ 72.171521] ? __lockdep_init_map+0x10c/0x5b0 [ 72.176028] ? rcu_read_lock_sched_held+0x110/0x130 [ 72.181039] ? __kfifo_alloc+0x17e/0x2a0 [ 72.185090] __kfifo_alloc+0x17e/0x2a0 [ 72.188972] gsm_dlci_alloc+0xd9/0x410 [ 72.192853] gsm_activate_mux+0x201/0x2a0 [ 72.197149] gsmld_open+0x52a/0x7c0 [ 72.200772] ? gsmld_compat_ioctl+0x40/0x40 [ 72.205091] tty_ldisc_open.isra.0+0x89/0xd0 [ 72.209498] tty_set_ldisc+0x2e3/0x690 [ 72.213382] tty_ioctl+0x65e/0x1510 [ 72.217072] ? tty_vhangup+0x30/0x30 [ 72.220834] ? proc_fail_nth_write+0x9d/0x1e0 [ 72.225319] ? proc_cwd_link+0x1d0/0x1d0 [ 72.229377] ? __might_sleep+0x95/0x190 [ 72.233339] ? vfs_write+0x2f0/0x560 [ 72.237039] ? tty_vhangup+0x30/0x30 [ 72.240751] do_vfs_ioctl+0xd5f/0x1380 [ 72.244639] ? selinux_file_ioctl+0x46f/0x5e0 [ 72.249123] ? selinux_file_ioctl+0x125/0x5e0 [ 72.253609] ? ioctl_preallocate+0x210/0x210 [ 72.258519] ? selinux_file_mprotect+0x620/0x620 [ 72.263274] ? __sb_end_write+0xd9/0x110 [ 72.267349] ? vfs_write+0x160/0x560 [ 72.271074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.276665] ? security_file_ioctl+0x8d/0xc0 [ 72.281067] ksys_ioctl+0xab/0xd0 [ 72.284527] __x64_sys_ioctl+0x73/0xb0 [ 72.288464] do_syscall_64+0xfd/0x620 [ 72.292256] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.297434] RIP: 0033:0x4412a9 [ 72.300625] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.320068] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.327778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 72.335044] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 72.342303] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 72.349578] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 72.356834] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 72.370512] FAULT_INJECTION: forcing a failure. [ 72.370512] name failslab, interval 1, probability 0, space 0, times 0 [ 72.381892] CPU: 0 PID: 7699 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 72.389740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.399183] Call Trace: [ 72.401769] dump_stack+0x197/0x210 [ 72.405420] should_fail.cold+0xa/0x1b [ 72.409298] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.414404] ? lock_downgrade+0x880/0x880 [ 72.418554] __should_failslab+0x121/0x190 [ 72.422790] should_failslab+0x9/0x14 [ 72.426576] __kmalloc+0x2e2/0x750 [ 72.430126] ? __lockdep_init_map+0x10c/0x5b0 [ 72.434619] ? rcu_read_lock_sched_held+0x110/0x130 [ 72.439625] ? __kfifo_alloc+0x17e/0x2a0 [ 72.443673] __kfifo_alloc+0x17e/0x2a0 [ 72.447553] gsm_dlci_alloc+0xd9/0x410 [ 72.451427] gsm_activate_mux+0x201/0x2a0 [ 72.455633] gsmld_open+0x52a/0x7c0 [ 72.459254] ? gsmld_compat_ioctl+0x40/0x40 [ 72.463576] tty_ldisc_open.isra.0+0x89/0xd0 [ 72.467987] tty_set_ldisc+0x2e3/0x690 [ 72.471890] tty_ioctl+0x65e/0x1510 [ 72.475513] ? tty_vhangup+0x30/0x30 [ 72.479224] ? proc_fail_nth_write+0x9d/0x1e0 [ 72.483714] ? proc_cwd_link+0x1d0/0x1d0 [ 72.487776] ? __might_sleep+0x95/0x190 [ 72.491738] ? vfs_write+0x2f0/0x560 [ 72.495442] ? tty_vhangup+0x30/0x30 [ 72.499209] do_vfs_ioctl+0xd5f/0x1380 [ 72.503098] ? selinux_file_ioctl+0x46f/0x5e0 [ 72.507580] ? selinux_file_ioctl+0x125/0x5e0 [ 72.512065] ? ioctl_preallocate+0x210/0x210 [ 72.516460] ? selinux_file_mprotect+0x620/0x620 [ 72.521220] ? __sb_end_write+0xd9/0x110 [ 72.525270] ? vfs_write+0x160/0x560 [ 72.528990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.534513] ? security_file_ioctl+0x8d/0xc0 [ 72.538909] ksys_ioctl+0xab/0xd0 [ 72.542352] __x64_sys_ioctl+0x73/0xb0 [ 72.546231] do_syscall_64+0xfd/0x620 [ 72.550055] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.555236] RIP: 0033:0x4412a9 [ 72.558529] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.577476] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.585200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 72.592565] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 72.599836] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 72.607093] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.614462] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 72.629513] FAULT_INJECTION: forcing a failure. [ 72.629513] name failslab, interval 1, probability 0, space 0, times 0 [ 72.640854] CPU: 1 PID: 7700 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 72.648910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.658268] Call Trace: [ 72.660861] dump_stack+0x197/0x210 [ 72.664488] should_fail.cold+0xa/0x1b [ 72.668370] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.673469] ? lock_downgrade+0x880/0x880 [ 72.677665] __should_failslab+0x121/0x190 [ 72.681896] should_failslab+0x9/0x14 [ 72.685694] __kmalloc+0x2e2/0x750 [ 72.689245] ? __lockdep_init_map+0x10c/0x5b0 [ 72.693728] ? rcu_read_lock_sched_held+0x110/0x130 [ 72.698735] ? __kfifo_alloc+0x17e/0x2a0 [ 72.702822] __kfifo_alloc+0x17e/0x2a0 [ 72.706708] gsm_dlci_alloc+0xd9/0x410 [ 72.710587] gsm_activate_mux+0x201/0x2a0 [ 72.714751] gsmld_open+0x52a/0x7c0 [ 72.718371] ? gsmld_compat_ioctl+0x40/0x40 [ 72.722680] tty_ldisc_open.isra.0+0x89/0xd0 [ 72.727076] tty_set_ldisc+0x2e3/0x690 [ 72.730966] tty_ioctl+0x65e/0x1510 [ 72.734579] ? tty_vhangup+0x30/0x30 [ 72.738279] ? proc_fail_nth_write+0x9d/0x1e0 [ 72.742775] ? proc_cwd_link+0x1d0/0x1d0 [ 72.746836] ? __might_sleep+0x95/0x190 [ 72.750798] ? vfs_write+0x2f0/0x560 [ 72.754512] ? tty_vhangup+0x30/0x30 [ 72.758212] do_vfs_ioctl+0xd5f/0x1380 [ 72.762086] ? selinux_file_ioctl+0x46f/0x5e0 [ 72.766566] ? selinux_file_ioctl+0x125/0x5e0 [ 72.771047] ? ioctl_preallocate+0x210/0x210 [ 72.775444] ? selinux_file_mprotect+0x620/0x620 [ 72.780188] ? __sb_end_write+0xd9/0x110 [ 72.784236] ? vfs_write+0x160/0x560 [ 72.788048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.793571] ? security_file_ioctl+0x8d/0xc0 [ 72.797966] ksys_ioctl+0xab/0xd0 [ 72.801412] __x64_sys_ioctl+0x73/0xb0 [ 72.805292] do_syscall_64+0xfd/0x620 [ 72.809081] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.814266] RIP: 0033:0x4412a9 [ 72.817448] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.836350] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.844045] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 72.851303] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 72.858571] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 72.865915] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.873184] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 72.887136] FAULT_INJECTION: forcing a failure. [ 72.887136] name failslab, interval 1, probability 0, space 0, times 0 [ 72.898679] CPU: 0 PID: 7701 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 72.906461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.915802] Call Trace: [ 72.918435] dump_stack+0x197/0x210 [ 72.922056] should_fail.cold+0xa/0x1b [ 72.925939] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.931031] ? lock_downgrade+0x880/0x880 [ 72.935169] __should_failslab+0x121/0x190 [ 72.939399] should_failslab+0x9/0x14 [ 72.943198] __kmalloc+0x2e2/0x750 [ 72.946725] ? __lockdep_init_map+0x10c/0x5b0 [ 72.951204] ? rcu_read_lock_sched_held+0x110/0x130 [ 72.956207] ? __kfifo_alloc+0x17e/0x2a0 [ 72.960254] __kfifo_alloc+0x17e/0x2a0 [ 72.964143] gsm_dlci_alloc+0xd9/0x410 [ 72.968021] gsm_activate_mux+0x201/0x2a0 [ 72.972174] gsmld_open+0x52a/0x7c0 [ 72.975786] ? gsmld_compat_ioctl+0x40/0x40 [ 72.980108] tty_ldisc_open.isra.0+0x89/0xd0 [ 72.984502] tty_set_ldisc+0x2e3/0x690 [ 72.988376] tty_ioctl+0x65e/0x1510 [ 72.991989] ? tty_vhangup+0x30/0x30 [ 72.995687] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.000167] ? proc_cwd_link+0x1d0/0x1d0 [ 73.004256] ? __might_sleep+0x95/0x190 [ 73.008219] ? vfs_write+0x2f0/0x560 [ 73.012055] ? tty_vhangup+0x30/0x30 [ 73.015757] do_vfs_ioctl+0xd5f/0x1380 [ 73.019637] ? selinux_file_ioctl+0x46f/0x5e0 [ 73.024119] ? selinux_file_ioctl+0x125/0x5e0 [ 73.028613] ? ioctl_preallocate+0x210/0x210 [ 73.033010] ? selinux_file_mprotect+0x620/0x620 [ 73.037756] ? __sb_end_write+0xd9/0x110 [ 73.041801] ? vfs_write+0x160/0x560 [ 73.045505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.051028] ? security_file_ioctl+0x8d/0xc0 [ 73.055432] ksys_ioctl+0xab/0xd0 [ 73.058879] __x64_sys_ioctl+0x73/0xb0 [ 73.062756] do_syscall_64+0xfd/0x620 [ 73.066547] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.071724] RIP: 0033:0x4412a9 [ 73.074904] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.093797] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.101501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 73.108756] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 73.116012] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 73.123265] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.130519] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 73.144735] FAULT_INJECTION: forcing a failure. [ 73.144735] name failslab, interval 1, probability 0, space 0, times 0 [ 73.155955] CPU: 1 PID: 7702 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 73.163734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.173211] Call Trace: [ 73.175800] dump_stack+0x197/0x210 [ 73.179424] should_fail.cold+0xa/0x1b [ 73.183313] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.188421] ? lock_downgrade+0x880/0x880 [ 73.192605] __should_failslab+0x121/0x190 [ 73.196843] should_failslab+0x9/0x14 [ 73.200636] __kmalloc+0x2e2/0x750 [ 73.204171] ? __lockdep_init_map+0x10c/0x5b0 [ 73.208655] ? rcu_read_lock_sched_held+0x110/0x130 [ 73.213663] ? __kfifo_alloc+0x17e/0x2a0 [ 73.217714] __kfifo_alloc+0x17e/0x2a0 [ 73.221593] gsm_dlci_alloc+0xd9/0x410 [ 73.225474] gsm_activate_mux+0x201/0x2a0 [ 73.229609] gsmld_open+0x52a/0x7c0 [ 73.233223] ? gsmld_compat_ioctl+0x40/0x40 [ 73.237536] tty_ldisc_open.isra.0+0x89/0xd0 [ 73.241939] tty_set_ldisc+0x2e3/0x690 [ 73.245815] tty_ioctl+0x65e/0x1510 [ 73.249438] ? tty_vhangup+0x30/0x30 [ 73.253140] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.258029] ? proc_cwd_link+0x1d0/0x1d0 [ 73.262090] ? __might_sleep+0x95/0x190 [ 73.266068] ? vfs_write+0x2f0/0x560 [ 73.269768] ? tty_vhangup+0x30/0x30 [ 73.273470] do_vfs_ioctl+0xd5f/0x1380 [ 73.277354] ? selinux_file_ioctl+0x46f/0x5e0 [ 73.281846] ? selinux_file_ioctl+0x125/0x5e0 [ 73.286328] ? ioctl_preallocate+0x210/0x210 [ 73.290721] ? selinux_file_mprotect+0x620/0x620 [ 73.295476] ? __sb_end_write+0xd9/0x110 [ 73.299553] ? vfs_write+0x160/0x560 [ 73.303324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.308851] ? security_file_ioctl+0x8d/0xc0 [ 73.313247] ksys_ioctl+0xab/0xd0 [ 73.316688] __x64_sys_ioctl+0x73/0xb0 [ 73.320564] do_syscall_64+0xfd/0x620 [ 73.324392] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.329566] RIP: 0033:0x4412a9 [ 73.332755] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.351656] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 73.359965] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.367224] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 73.374479] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 73.381747] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.389001] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 73.403009] FAULT_INJECTION: forcing a failure. [ 73.403009] name failslab, interval 1, probability 0, space 0, times 0 [ 73.414534] CPU: 0 PID: 7703 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 73.422444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.431787] Call Trace: [ 73.434377] dump_stack+0x197/0x210 [ 73.437998] should_fail.cold+0xa/0x1b [ 73.441872] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.446960] ? lock_downgrade+0x880/0x880 [ 73.451111] __should_failslab+0x121/0x190 [ 73.455352] should_failslab+0x9/0x14 [ 73.459782] __kmalloc+0x2e2/0x750 [ 73.463328] ? __lockdep_init_map+0x10c/0x5b0 [ 73.467809] ? rcu_read_lock_sched_held+0x110/0x130 [ 73.472818] ? __kfifo_alloc+0x17e/0x2a0 [ 73.476868] __kfifo_alloc+0x17e/0x2a0 [ 73.480743] gsm_dlci_alloc+0xd9/0x410 [ 73.484621] gsm_activate_mux+0x201/0x2a0 [ 73.488754] gsmld_open+0x52a/0x7c0 [ 73.492372] ? gsmld_compat_ioctl+0x40/0x40 [ 73.496815] tty_ldisc_open.isra.0+0x89/0xd0 [ 73.501215] tty_set_ldisc+0x2e3/0x690 [ 73.505092] tty_ioctl+0x65e/0x1510 [ 73.508706] ? tty_vhangup+0x30/0x30 [ 73.512414] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.516927] ? proc_cwd_link+0x1d0/0x1d0 [ 73.521030] ? __might_sleep+0x95/0x190 [ 73.524992] ? vfs_write+0x2f0/0x560 [ 73.528691] ? tty_vhangup+0x30/0x30 [ 73.532407] do_vfs_ioctl+0xd5f/0x1380 [ 73.536283] ? selinux_file_ioctl+0x46f/0x5e0 [ 73.540774] ? selinux_file_ioctl+0x125/0x5e0 [ 73.545255] ? ioctl_preallocate+0x210/0x210 [ 73.549649] ? selinux_file_mprotect+0x620/0x620 [ 73.554395] ? __sb_end_write+0xd9/0x110 [ 73.558442] ? vfs_write+0x160/0x560 [ 73.562150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.567673] ? security_file_ioctl+0x8d/0xc0 [ 73.572071] ksys_ioctl+0xab/0xd0 [ 73.575528] __x64_sys_ioctl+0x73/0xb0 [ 73.579404] do_syscall_64+0xfd/0x620 [ 73.583196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.588386] RIP: 0033:0x4412a9 [ 73.591567] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.610469] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 73.618192] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.625578] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 73.632857] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 73.640136] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.647480] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 73.662890] FAULT_INJECTION: forcing a failure. [ 73.662890] name failslab, interval 1, probability 0, space 0, times 0 [ 73.674529] CPU: 1 PID: 7704 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 73.682355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.691704] Call Trace: [ 73.694290] dump_stack+0x197/0x210 [ 73.697909] should_fail.cold+0xa/0x1b [ 73.701784] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.706888] ? lock_downgrade+0x880/0x880 [ 73.711035] __should_failslab+0x121/0x190 [ 73.715260] should_failslab+0x9/0x14 [ 73.719044] __kmalloc+0x2e2/0x750 [ 73.722575] ? __lockdep_init_map+0x10c/0x5b0 [ 73.727160] ? rcu_read_lock_sched_held+0x110/0x130 [ 73.732162] ? __kfifo_alloc+0x17e/0x2a0 [ 73.736214] __kfifo_alloc+0x17e/0x2a0 [ 73.740094] gsm_dlci_alloc+0xd9/0x410 [ 73.743974] gsm_activate_mux+0x201/0x2a0 [ 73.748110] gsmld_open+0x52a/0x7c0 [ 73.751725] ? gsmld_compat_ioctl+0x40/0x40 [ 73.756032] tty_ldisc_open.isra.0+0x89/0xd0 [ 73.760427] tty_set_ldisc+0x2e3/0x690 [ 73.764299] tty_ioctl+0x65e/0x1510 [ 73.767914] ? tty_vhangup+0x30/0x30 [ 73.771613] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.776096] ? proc_cwd_link+0x1d0/0x1d0 [ 73.780156] ? __might_sleep+0x95/0x190 [ 73.784215] ? vfs_write+0x2f0/0x560 [ 73.787921] ? tty_vhangup+0x30/0x30 [ 73.791621] do_vfs_ioctl+0xd5f/0x1380 [ 73.795499] ? selinux_file_ioctl+0x46f/0x5e0 [ 73.799979] ? selinux_file_ioctl+0x125/0x5e0 [ 73.804476] ? ioctl_preallocate+0x210/0x210 [ 73.808868] ? selinux_file_mprotect+0x620/0x620 [ 73.813614] ? __sb_end_write+0xd9/0x110 [ 73.817691] ? vfs_write+0x160/0x560 [ 73.821406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.826934] ? security_file_ioctl+0x8d/0xc0 [ 73.831331] ksys_ioctl+0xab/0xd0 [ 73.834774] __x64_sys_ioctl+0x73/0xb0 [ 73.838653] do_syscall_64+0xfd/0x620 [ 73.842458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.847636] RIP: 0033:0x4412a9 executing program [ 73.850818] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.869717] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.877442] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 73.884704] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 73.891962] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 73.899235] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.906494] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 73.920103] FAULT_INJECTION: forcing a failure. [ 73.920103] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 73.932028] CPU: 0 PID: 7705 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 73.939870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.949211] Call Trace: [ 73.951804] dump_stack+0x197/0x210 [ 73.955422] should_fail.cold+0xa/0x1b [ 73.959296] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.964399] ? __lock_acquire+0x6ee/0x49c0 [ 73.968626] __alloc_pages_nodemask+0x1ee/0x750 [ 73.973290] ? __alloc_pages_slowpath+0x2870/0x2870 [ 73.978296] ? trace_hardirqs_on+0x67/0x220 [ 73.982609] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.987701] cache_grow_begin+0x91/0x8c0 [ 73.991752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.997272] ? check_preemption_disabled+0x48/0x290 [ 74.002280] kmem_cache_alloc_trace+0x685/0x760 [ 74.006941] ? lock_downgrade+0x880/0x880 [ 74.011082] gsm_dlci_alloc+0x4b/0x410 [ 74.014992] gsm_activate_mux+0x201/0x2a0 [ 74.019128] gsmld_open+0x52a/0x7c0 [ 74.022741] ? gsmld_compat_ioctl+0x40/0x40 [ 74.027051] tty_ldisc_open.isra.0+0x89/0xd0 [ 74.031445] tty_set_ldisc+0x2e3/0x690 [ 74.035755] tty_ioctl+0x65e/0x1510 [ 74.039368] ? tty_vhangup+0x30/0x30 [ 74.043072] ? proc_fail_nth_write+0x9d/0x1e0 [ 74.047555] ? proc_cwd_link+0x1d0/0x1d0 [ 74.051613] ? __might_sleep+0x95/0x190 [ 74.055574] ? vfs_write+0x2f0/0x560 [ 74.059275] ? tty_vhangup+0x30/0x30 [ 74.062976] do_vfs_ioctl+0xd5f/0x1380 [ 74.066861] ? selinux_file_ioctl+0x46f/0x5e0 [ 74.071361] ? selinux_file_ioctl+0x125/0x5e0 [ 74.075845] ? ioctl_preallocate+0x210/0x210 [ 74.080239] ? selinux_file_mprotect+0x620/0x620 [ 74.084985] ? __sb_end_write+0xd9/0x110 [ 74.089032] ? vfs_write+0x160/0x560 [ 74.092744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.098266] ? security_file_ioctl+0x8d/0xc0 [ 74.102661] ksys_ioctl+0xab/0xd0 [ 74.106104] __x64_sys_ioctl+0x73/0xb0 [ 74.109982] do_syscall_64+0xfd/0x620 [ 74.113772] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.118947] RIP: 0033:0x4412a9 [ 74.122127] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.141015] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.148710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 74.155968] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 74.163230] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 74.170487] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.177743] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 executing program [ 74.691991] FAULT_INJECTION: forcing a failure. [ 74.691991] name failslab, interval 1, probability 0, space 0, times 0 [ 74.703344] CPU: 0 PID: 7722 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 74.711147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.720504] Call Trace: [ 74.723089] dump_stack+0x197/0x210 [ 74.726707] should_fail.cold+0xa/0x1b [ 74.730594] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 74.735692] ? lock_downgrade+0x880/0x880 [ 74.739837] __should_failslab+0x121/0x190 [ 74.744064] should_failslab+0x9/0x14 [ 74.747865] __kmalloc+0x2e2/0x750 [ 74.751398] ? __lockdep_init_map+0x10c/0x5b0 [ 74.755884] ? rcu_read_lock_sched_held+0x110/0x130 [ 74.761404] ? __kfifo_alloc+0x17e/0x2a0 [ 74.765464] __kfifo_alloc+0x17e/0x2a0 [ 74.769345] gsm_dlci_alloc+0xd9/0x410 [ 74.773223] gsm_activate_mux+0x201/0x2a0 [ 74.777357] gsmld_open+0x52a/0x7c0 [ 74.780970] ? gsmld_compat_ioctl+0x40/0x40 [ 74.785292] tty_ldisc_open.isra.0+0x89/0xd0 [ 74.789691] tty_set_ldisc+0x2e3/0x690 [ 74.793565] tty_ioctl+0x65e/0x1510 [ 74.799132] ? tty_vhangup+0x30/0x30 [ 74.802832] ? proc_fail_nth_write+0x9d/0x1e0 [ 74.807359] ? proc_cwd_link+0x1d0/0x1d0 [ 74.811420] ? __might_sleep+0x95/0x190 [ 74.815381] ? vfs_write+0x2f0/0x560 [ 74.819082] ? tty_vhangup+0x30/0x30 [ 74.822812] do_vfs_ioctl+0xd5f/0x1380 [ 74.826686] ? selinux_file_ioctl+0x46f/0x5e0 [ 74.831175] ? selinux_file_ioctl+0x125/0x5e0 [ 74.835657] ? ioctl_preallocate+0x210/0x210 [ 74.840048] ? selinux_file_mprotect+0x620/0x620 [ 74.844800] ? __sb_end_write+0xd9/0x110 [ 74.848845] ? vfs_write+0x160/0x560 [ 74.852552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.858574] ? security_file_ioctl+0x8d/0xc0 [ 74.862967] ksys_ioctl+0xab/0xd0 [ 74.866408] __x64_sys_ioctl+0x73/0xb0 [ 74.870303] do_syscall_64+0xfd/0x620 [ 74.874111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.879298] RIP: 0033:0x4412a9 [ 74.882477] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.901368] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.909068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 74.916323] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 74.923692] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 74.930954] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 74.938210] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 74.953325] FAULT_INJECTION: forcing a failure. [ 74.953325] name failslab, interval 1, probability 0, space 0, times 0 [ 74.964658] CPU: 0 PID: 7723 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 74.972453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.981792] Call Trace: [ 74.984375] dump_stack+0x197/0x210 [ 74.987997] should_fail.cold+0xa/0x1b [ 74.991880] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 74.996973] ? lock_downgrade+0x880/0x880 [ 75.001129] __should_failslab+0x121/0x190 [ 75.005352] should_failslab+0x9/0x14 [ 75.009141] __kmalloc+0x2e2/0x750 [ 75.012670] ? __lockdep_init_map+0x10c/0x5b0 [ 75.017169] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.022174] ? __kfifo_alloc+0x17e/0x2a0 [ 75.026222] __kfifo_alloc+0x17e/0x2a0 [ 75.030118] gsm_dlci_alloc+0xd9/0x410 [ 75.033999] gsm_activate_mux+0x201/0x2a0 [ 75.038133] gsmld_open+0x52a/0x7c0 [ 75.041748] ? gsmld_compat_ioctl+0x40/0x40 [ 75.046090] tty_ldisc_open.isra.0+0x89/0xd0 [ 75.050504] tty_set_ldisc+0x2e3/0x690 [ 75.054407] tty_ioctl+0x65e/0x1510 [ 75.058048] ? tty_vhangup+0x30/0x30 [ 75.061753] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.066273] ? proc_cwd_link+0x1d0/0x1d0 [ 75.070336] ? __might_sleep+0x95/0x190 [ 75.074304] ? vfs_write+0x2f0/0x560 [ 75.078006] ? tty_vhangup+0x30/0x30 [ 75.081724] do_vfs_ioctl+0xd5f/0x1380 [ 75.085615] ? selinux_file_ioctl+0x46f/0x5e0 [ 75.090094] ? selinux_file_ioctl+0x125/0x5e0 [ 75.094580] ? ioctl_preallocate+0x210/0x210 [ 75.098993] ? selinux_file_mprotect+0x620/0x620 [ 75.103737] ? __sb_end_write+0xd9/0x110 [ 75.107799] ? vfs_write+0x160/0x560 [ 75.111520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.117046] ? security_file_ioctl+0x8d/0xc0 [ 75.121444] ksys_ioctl+0xab/0xd0 [ 75.124887] __x64_sys_ioctl+0x73/0xb0 [ 75.128765] do_syscall_64+0xfd/0x620 [ 75.132557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.137749] RIP: 0033:0x4412a9 [ 75.140941] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.159842] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.167537] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 75.174808] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 75.182078] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 75.189333] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.196588] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 75.210666] FAULT_INJECTION: forcing a failure. [ 75.210666] name failslab, interval 1, probability 0, space 0, times 0 [ 75.223041] CPU: 1 PID: 7724 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 75.230827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.240166] Call Trace: [ 75.242763] dump_stack+0x197/0x210 [ 75.246380] should_fail.cold+0xa/0x1b [ 75.250257] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 75.255350] ? lock_downgrade+0x880/0x880 [ 75.259707] __should_failslab+0x121/0x190 [ 75.263946] should_failslab+0x9/0x14 [ 75.267755] __kmalloc+0x2e2/0x750 [ 75.271287] ? __lockdep_init_map+0x10c/0x5b0 [ 75.275788] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.280811] ? __kfifo_alloc+0x17e/0x2a0 [ 75.284871] __kfifo_alloc+0x17e/0x2a0 [ 75.288766] gsm_dlci_alloc+0xd9/0x410 [ 75.292643] gsm_activate_mux+0x201/0x2a0 [ 75.296783] gsmld_open+0x52a/0x7c0 [ 75.300608] ? gsmld_compat_ioctl+0x40/0x40 [ 75.304973] tty_ldisc_open.isra.0+0x89/0xd0 [ 75.309374] tty_set_ldisc+0x2e3/0x690 [ 75.313276] tty_ioctl+0x65e/0x1510 [ 75.316929] ? tty_vhangup+0x30/0x30 [ 75.320633] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.325114] ? proc_cwd_link+0x1d0/0x1d0 [ 75.329171] ? __might_sleep+0x95/0x190 [ 75.333129] ? vfs_write+0x2f0/0x560 [ 75.336829] ? tty_vhangup+0x30/0x30 [ 75.340535] do_vfs_ioctl+0xd5f/0x1380 [ 75.344411] ? selinux_file_ioctl+0x46f/0x5e0 [ 75.348891] ? selinux_file_ioctl+0x125/0x5e0 [ 75.353472] ? ioctl_preallocate+0x210/0x210 [ 75.358449] ? selinux_file_mprotect+0x620/0x620 [ 75.363205] ? __sb_end_write+0xd9/0x110 [ 75.367271] ? vfs_write+0x160/0x560 [ 75.370978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.376513] ? security_file_ioctl+0x8d/0xc0 [ 75.380936] ksys_ioctl+0xab/0xd0 [ 75.384391] __x64_sys_ioctl+0x73/0xb0 [ 75.388273] do_syscall_64+0xfd/0x620 [ 75.392083] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.397264] RIP: 0033:0x4412a9 [ 75.400447] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.419464] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.427164] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 75.434424] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 75.441692] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 75.449013] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.456276] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 75.470250] FAULT_INJECTION: forcing a failure. [ 75.470250] name failslab, interval 1, probability 0, space 0, times 0 [ 75.481728] CPU: 0 PID: 7725 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 75.489511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.498906] Call Trace: [ 75.501492] dump_stack+0x197/0x210 [ 75.505125] should_fail.cold+0xa/0x1b [ 75.509003] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 75.514119] ? lock_downgrade+0x880/0x880 [ 75.518271] __should_failslab+0x121/0x190 [ 75.522494] should_failslab+0x9/0x14 [ 75.526285] __kmalloc+0x2e2/0x750 [ 75.529817] ? __lockdep_init_map+0x10c/0x5b0 [ 75.534303] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.539337] ? __kfifo_alloc+0x17e/0x2a0 [ 75.543418] __kfifo_alloc+0x17e/0x2a0 [ 75.547298] gsm_dlci_alloc+0xd9/0x410 [ 75.551179] gsm_activate_mux+0x201/0x2a0 [ 75.555319] gsmld_open+0x52a/0x7c0 [ 75.558936] ? gsmld_compat_ioctl+0x40/0x40 [ 75.563248] tty_ldisc_open.isra.0+0x89/0xd0 [ 75.567646] tty_set_ldisc+0x2e3/0x690 [ 75.571538] tty_ioctl+0x65e/0x1510 [ 75.575153] ? tty_vhangup+0x30/0x30 [ 75.578854] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.583334] ? proc_cwd_link+0x1d0/0x1d0 [ 75.587395] ? __might_sleep+0x95/0x190 [ 75.591361] ? vfs_write+0x2f0/0x560 [ 75.595062] ? tty_vhangup+0x30/0x30 [ 75.598769] do_vfs_ioctl+0xd5f/0x1380 [ 75.602651] ? selinux_file_ioctl+0x46f/0x5e0 [ 75.607128] ? selinux_file_ioctl+0x125/0x5e0 [ 75.611628] ? ioctl_preallocate+0x210/0x210 [ 75.616030] ? selinux_file_mprotect+0x620/0x620 [ 75.620786] ? __sb_end_write+0xd9/0x110 [ 75.624839] ? vfs_write+0x160/0x560 [ 75.628550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.634084] ? security_file_ioctl+0x8d/0xc0 [ 75.638495] ksys_ioctl+0xab/0xd0 [ 75.641946] __x64_sys_ioctl+0x73/0xb0 [ 75.645829] do_syscall_64+0xfd/0x620 [ 75.649633] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.654811] RIP: 0033:0x4412a9 [ 75.657996] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.676901] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.684620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 75.691894] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 75.699171] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 75.706433] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.713687] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 75.727930] FAULT_INJECTION: forcing a failure. [ 75.727930] name failslab, interval 1, probability 0, space 0, times 0 [ 75.739314] CPU: 0 PID: 7726 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 75.747102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.756447] Call Trace: [ 75.759038] dump_stack+0x197/0x210 [ 75.762656] should_fail.cold+0xa/0x1b [ 75.766588] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 75.771682] ? lock_downgrade+0x880/0x880 [ 75.775830] __should_failslab+0x121/0x190 [ 75.780114] should_failslab+0x9/0x14 [ 75.783907] __kmalloc+0x2e2/0x750 [ 75.787562] ? __lockdep_init_map+0x10c/0x5b0 [ 75.792051] ? rcu_read_lock_sched_held+0x110/0x130 [ 75.797098] ? __kfifo_alloc+0x17e/0x2a0 [ 75.801205] __kfifo_alloc+0x17e/0x2a0 [ 75.805091] gsm_dlci_alloc+0xd9/0x410 [ 75.808969] gsm_activate_mux+0x201/0x2a0 [ 75.813121] gsmld_open+0x52a/0x7c0 [ 75.816739] ? gsmld_compat_ioctl+0x40/0x40 [ 75.821050] tty_ldisc_open.isra.0+0x89/0xd0 [ 75.825480] tty_set_ldisc+0x2e3/0x690 [ 75.829354] tty_ioctl+0x65e/0x1510 [ 75.832969] ? tty_vhangup+0x30/0x30 [ 75.836670] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.841159] ? proc_cwd_link+0x1d0/0x1d0 [ 75.845226] ? __might_sleep+0x95/0x190 [ 75.849203] ? vfs_write+0x2f0/0x560 [ 75.852900] ? tty_vhangup+0x30/0x30 [ 75.856600] do_vfs_ioctl+0xd5f/0x1380 [ 75.860887] ? selinux_file_ioctl+0x46f/0x5e0 [ 75.865379] ? selinux_file_ioctl+0x125/0x5e0 [ 75.869873] ? ioctl_preallocate+0x210/0x210 [ 75.874268] ? selinux_file_mprotect+0x620/0x620 [ 75.879025] ? __sb_end_write+0xd9/0x110 [ 75.883084] ? vfs_write+0x160/0x560 [ 75.886790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.892315] ? security_file_ioctl+0x8d/0xc0 [ 75.896716] ksys_ioctl+0xab/0xd0 [ 75.900156] __x64_sys_ioctl+0x73/0xb0 [ 75.904054] do_syscall_64+0xfd/0x620 [ 75.907851] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.913047] RIP: 0033:0x4412a9 [ 75.916227] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.935115] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 75.942985] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 75.950238] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 75.957879] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 75.965132] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.972558] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 75.986780] FAULT_INJECTION: forcing a failure. [ 75.986780] name failslab, interval 1, probability 0, space 0, times 0 [ 75.998116] CPU: 1 PID: 7727 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 76.005899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.015238] Call Trace: [ 76.017822] dump_stack+0x197/0x210 [ 76.021453] should_fail.cold+0xa/0x1b [ 76.025342] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.030458] ? lock_downgrade+0x880/0x880 [ 76.034615] __should_failslab+0x121/0x190 [ 76.038837] should_failslab+0x9/0x14 [ 76.042625] __kmalloc+0x2e2/0x750 [ 76.046158] ? __lockdep_init_map+0x10c/0x5b0 [ 76.050641] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.055656] ? __kfifo_alloc+0x17e/0x2a0 [ 76.060314] __kfifo_alloc+0x17e/0x2a0 [ 76.064208] gsm_dlci_alloc+0xd9/0x410 [ 76.068092] gsm_activate_mux+0x201/0x2a0 [ 76.072228] gsmld_open+0x52a/0x7c0 [ 76.075855] ? gsmld_compat_ioctl+0x40/0x40 [ 76.080174] tty_ldisc_open.isra.0+0x89/0xd0 [ 76.084582] tty_set_ldisc+0x2e3/0x690 [ 76.088468] tty_ioctl+0x65e/0x1510 [ 76.092079] ? tty_vhangup+0x30/0x30 [ 76.095780] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.100260] ? proc_cwd_link+0x1d0/0x1d0 [ 76.104341] ? __might_sleep+0x95/0x190 [ 76.108307] ? vfs_write+0x2f0/0x560 [ 76.112013] ? tty_vhangup+0x30/0x30 [ 76.115719] do_vfs_ioctl+0xd5f/0x1380 [ 76.119643] ? selinux_file_ioctl+0x46f/0x5e0 [ 76.124136] ? selinux_file_ioctl+0x125/0x5e0 [ 76.128635] ? ioctl_preallocate+0x210/0x210 [ 76.133043] ? selinux_file_mprotect+0x620/0x620 [ 76.137789] ? __sb_end_write+0xd9/0x110 [ 76.141837] ? vfs_write+0x160/0x560 [ 76.145542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.151077] ? security_file_ioctl+0x8d/0xc0 [ 76.155473] ksys_ioctl+0xab/0xd0 [ 76.159544] __x64_sys_ioctl+0x73/0xb0 [ 76.163421] do_syscall_64+0xfd/0x620 [ 76.167213] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.172388] RIP: 0033:0x4412a9 [ 76.175565] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 76.194475] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.202172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 76.209429] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 76.216684] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 76.223939] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.231194] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 76.246962] FAULT_INJECTION: forcing a failure. [ 76.246962] name failslab, interval 1, probability 0, space 0, times 0 [ 76.258338] CPU: 0 PID: 7728 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 76.266119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.275458] Call Trace: [ 76.278045] dump_stack+0x197/0x210 [ 76.281666] should_fail.cold+0xa/0x1b [ 76.285542] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.290806] ? lock_downgrade+0x880/0x880 [ 76.294945] __should_failslab+0x121/0x190 [ 76.299169] should_failslab+0x9/0x14 [ 76.302963] __kmalloc+0x2e2/0x750 [ 76.306494] ? __lockdep_init_map+0x10c/0x5b0 [ 76.310975] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.315980] ? __kfifo_alloc+0x17e/0x2a0 [ 76.320029] __kfifo_alloc+0x17e/0x2a0 [ 76.323908] gsm_dlci_alloc+0xd9/0x410 [ 76.327781] gsm_activate_mux+0x201/0x2a0 [ 76.331921] gsmld_open+0x52a/0x7c0 [ 76.335536] ? gsmld_compat_ioctl+0x40/0x40 [ 76.339843] tty_ldisc_open.isra.0+0x89/0xd0 [ 76.344238] tty_set_ldisc+0x2e3/0x690 [ 76.348111] tty_ioctl+0x65e/0x1510 [ 76.351723] ? tty_vhangup+0x30/0x30 [ 76.355422] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.359906] ? proc_cwd_link+0x1d0/0x1d0 [ 76.363967] ? __might_sleep+0x95/0x190 [ 76.367928] ? vfs_write+0x2f0/0x560 [ 76.371678] ? tty_vhangup+0x30/0x30 [ 76.375407] do_vfs_ioctl+0xd5f/0x1380 [ 76.379298] ? selinux_file_ioctl+0x46f/0x5e0 [ 76.383788] ? selinux_file_ioctl+0x125/0x5e0 [ 76.388280] ? ioctl_preallocate+0x210/0x210 [ 76.392681] ? selinux_file_mprotect+0x620/0x620 [ 76.397442] ? __sb_end_write+0xd9/0x110 [ 76.401506] ? vfs_write+0x160/0x560 [ 76.405221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.410746] ? security_file_ioctl+0x8d/0xc0 [ 76.415146] ksys_ioctl+0xab/0xd0 [ 76.418588] __x64_sys_ioctl+0x73/0xb0 [ 76.422468] do_syscall_64+0xfd/0x620 [ 76.426260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.431445] RIP: 0033:0x4412a9 executing program [ 76.434631] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.453525] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.461223] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 76.468487] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 76.475794] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 76.483055] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 76.490320] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 76.504952] FAULT_INJECTION: forcing a failure. [ 76.504952] name failslab, interval 1, probability 0, space 0, times 0 [ 76.516298] CPU: 1 PID: 7729 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 76.524091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.533443] Call Trace: [ 76.536027] dump_stack+0x197/0x210 [ 76.539648] should_fail.cold+0xa/0x1b [ 76.543576] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.548669] ? lock_downgrade+0x880/0x880 [ 76.552827] __should_failslab+0x121/0x190 [ 76.557055] should_failslab+0x9/0x14 [ 76.560845] __kmalloc+0x2e2/0x750 [ 76.564377] ? __lockdep_init_map+0x10c/0x5b0 [ 76.568860] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.573867] ? __kfifo_alloc+0x17e/0x2a0 [ 76.577920] __kfifo_alloc+0x17e/0x2a0 [ 76.581799] gsm_dlci_alloc+0xd9/0x410 [ 76.585681] gsm_activate_mux+0x201/0x2a0 [ 76.589827] gsmld_open+0x52a/0x7c0 [ 76.593442] ? gsmld_compat_ioctl+0x40/0x40 [ 76.597767] tty_ldisc_open.isra.0+0x89/0xd0 [ 76.602176] tty_set_ldisc+0x2e3/0x690 [ 76.606083] tty_ioctl+0x65e/0x1510 [ 76.609698] ? tty_vhangup+0x30/0x30 [ 76.613400] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.617883] ? proc_cwd_link+0x1d0/0x1d0 [ 76.621961] ? __might_sleep+0x95/0x190 [ 76.625937] ? vfs_write+0x2f0/0x560 [ 76.629688] ? tty_vhangup+0x30/0x30 [ 76.633557] do_vfs_ioctl+0xd5f/0x1380 [ 76.637462] ? selinux_file_ioctl+0x46f/0x5e0 [ 76.641955] ? selinux_file_ioctl+0x125/0x5e0 [ 76.647495] ? ioctl_preallocate+0x210/0x210 [ 76.651907] ? selinux_file_mprotect+0x620/0x620 [ 76.656682] ? __sb_end_write+0xd9/0x110 [ 76.660739] ? vfs_write+0x160/0x560 [ 76.664477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.670013] ? security_file_ioctl+0x8d/0xc0 [ 76.674417] ksys_ioctl+0xab/0xd0 [ 76.677928] __x64_sys_ioctl+0x73/0xb0 [ 76.681809] do_syscall_64+0xfd/0x620 [ 76.685654] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.690847] RIP: 0033:0x4412a9 [ 76.694030] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.712921] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.720616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 76.727893] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 76.735154] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 76.742417] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 76.749674] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 76.763881] FAULT_INJECTION: forcing a failure. [ 76.763881] name failslab, interval 1, probability 0, space 0, times 0 [ 76.775321] CPU: 0 PID: 7730 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 76.783103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.792462] Call Trace: [ 76.795103] dump_stack+0x197/0x210 [ 76.798737] should_fail.cold+0xa/0x1b [ 76.802694] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.807815] ? lock_downgrade+0x880/0x880 [ 76.811974] __should_failslab+0x121/0x190 [ 76.816221] should_failslab+0x9/0x14 [ 76.820011] __kmalloc+0x2e2/0x750 [ 76.823540] ? __lockdep_init_map+0x10c/0x5b0 [ 76.828037] ? rcu_read_lock_sched_held+0x110/0x130 [ 76.833062] ? __kfifo_alloc+0x17e/0x2a0 [ 76.837123] __kfifo_alloc+0x17e/0x2a0 [ 76.841017] gsm_dlci_alloc+0xd9/0x410 [ 76.844894] gsm_activate_mux+0x201/0x2a0 [ 76.849031] gsmld_open+0x52a/0x7c0 [ 76.852649] ? gsmld_compat_ioctl+0x40/0x40 [ 76.856963] tty_ldisc_open.isra.0+0x89/0xd0 [ 76.861371] tty_set_ldisc+0x2e3/0x690 [ 76.865247] tty_ioctl+0x65e/0x1510 [ 76.868860] ? tty_vhangup+0x30/0x30 [ 76.872582] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.877081] ? proc_cwd_link+0x1d0/0x1d0 [ 76.881158] ? __might_sleep+0x95/0x190 [ 76.885120] ? vfs_write+0x2f0/0x560 [ 76.888847] ? tty_vhangup+0x30/0x30 [ 76.892556] do_vfs_ioctl+0xd5f/0x1380 [ 76.896436] ? selinux_file_ioctl+0x46f/0x5e0 [ 76.900917] ? selinux_file_ioctl+0x125/0x5e0 [ 76.905406] ? ioctl_preallocate+0x210/0x210 [ 76.909819] ? selinux_file_mprotect+0x620/0x620 [ 76.914611] ? __sb_end_write+0xd9/0x110 [ 76.918680] ? vfs_write+0x160/0x560 [ 76.922389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.927912] ? security_file_ioctl+0x8d/0xc0 [ 76.932308] ksys_ioctl+0xab/0xd0 [ 76.935750] __x64_sys_ioctl+0x73/0xb0 [ 76.939632] do_syscall_64+0xfd/0x620 [ 76.943422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.948599] RIP: 0033:0x4412a9 [ 76.951779] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.970688] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.978396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 76.985653] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 76.992909] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 77.000162] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 77.007413] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 77.021395] FAULT_INJECTION: forcing a failure. [ 77.021395] name failslab, interval 1, probability 0, space 0, times 0 [ 77.032899] CPU: 1 PID: 7731 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 77.040695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.050126] Call Trace: [ 77.052708] dump_stack+0x197/0x210 [ 77.056339] should_fail.cold+0xa/0x1b [ 77.060226] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.065319] ? lock_downgrade+0x880/0x880 [ 77.069461] __should_failslab+0x121/0x190 [ 77.073694] should_failslab+0x9/0x14 [ 77.077482] __kmalloc+0x2e2/0x750 [ 77.081010] ? __lockdep_init_map+0x10c/0x5b0 [ 77.085680] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.090689] ? __kfifo_alloc+0x17e/0x2a0 [ 77.094743] __kfifo_alloc+0x17e/0x2a0 [ 77.098623] gsm_dlci_alloc+0xd9/0x410 [ 77.102515] gsm_activate_mux+0x201/0x2a0 [ 77.106651] gsmld_open+0x52a/0x7c0 [ 77.110266] ? gsmld_compat_ioctl+0x40/0x40 [ 77.114578] tty_ldisc_open.isra.0+0x89/0xd0 [ 77.118988] tty_set_ldisc+0x2e3/0x690 [ 77.122872] tty_ioctl+0x65e/0x1510 [ 77.126486] ? tty_vhangup+0x30/0x30 [ 77.130189] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.134668] ? proc_cwd_link+0x1d0/0x1d0 [ 77.138729] ? __might_sleep+0x95/0x190 [ 77.142705] ? vfs_write+0x2f0/0x560 [ 77.146405] ? tty_vhangup+0x30/0x30 [ 77.150133] do_vfs_ioctl+0xd5f/0x1380 [ 77.154012] ? selinux_file_ioctl+0x46f/0x5e0 [ 77.158514] ? selinux_file_ioctl+0x125/0x5e0 [ 77.163010] ? ioctl_preallocate+0x210/0x210 [ 77.167404] ? selinux_file_mprotect+0x620/0x620 [ 77.172151] ? __sb_end_write+0xd9/0x110 [ 77.176197] ? vfs_write+0x160/0x560 [ 77.179903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.185428] ? security_file_ioctl+0x8d/0xc0 [ 77.189827] ksys_ioctl+0xab/0xd0 [ 77.193270] __x64_sys_ioctl+0x73/0xb0 [ 77.197152] do_syscall_64+0xfd/0x620 [ 77.200945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.206125] RIP: 0033:0x4412a9 [ 77.209304] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.228191] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.235903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 77.243157] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 77.250414] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 77.257690] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.264946] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 77.280357] FAULT_INJECTION: forcing a failure. [ 77.280357] name failslab, interval 1, probability 0, space 0, times 0 [ 77.291747] CPU: 0 PID: 7732 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 77.299527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.308879] Call Trace: [ 77.311463] dump_stack+0x197/0x210 [ 77.315083] should_fail.cold+0xa/0x1b [ 77.318962] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.324081] ? lock_downgrade+0x880/0x880 [ 77.328231] __should_failslab+0x121/0x190 [ 77.332453] should_failslab+0x9/0x14 [ 77.336238] __kmalloc+0x2e2/0x750 [ 77.339779] ? __lockdep_init_map+0x10c/0x5b0 [ 77.344259] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.349270] ? __kfifo_alloc+0x17e/0x2a0 [ 77.353328] __kfifo_alloc+0x17e/0x2a0 [ 77.357205] gsm_dlci_alloc+0xd9/0x410 [ 77.361079] gsm_activate_mux+0x201/0x2a0 [ 77.365223] gsmld_open+0x52a/0x7c0 [ 77.368837] ? gsmld_compat_ioctl+0x40/0x40 [ 77.373146] tty_ldisc_open.isra.0+0x89/0xd0 [ 77.377558] tty_set_ldisc+0x2e3/0x690 [ 77.381432] tty_ioctl+0x65e/0x1510 [ 77.385042] ? tty_vhangup+0x30/0x30 [ 77.388742] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.393226] ? proc_cwd_link+0x1d0/0x1d0 [ 77.397284] ? __might_sleep+0x95/0x190 [ 77.401253] ? vfs_write+0x2f0/0x560 [ 77.404950] ? tty_vhangup+0x30/0x30 [ 77.408652] do_vfs_ioctl+0xd5f/0x1380 [ 77.412543] ? selinux_file_ioctl+0x46f/0x5e0 [ 77.417022] ? selinux_file_ioctl+0x125/0x5e0 [ 77.421514] ? ioctl_preallocate+0x210/0x210 [ 77.425908] ? selinux_file_mprotect+0x620/0x620 [ 77.430655] ? __sb_end_write+0xd9/0x110 [ 77.434717] ? vfs_write+0x160/0x560 [ 77.438542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.444086] ? security_file_ioctl+0x8d/0xc0 [ 77.448496] ksys_ioctl+0xab/0xd0 [ 77.451956] __x64_sys_ioctl+0x73/0xb0 [ 77.455836] do_syscall_64+0xfd/0x620 [ 77.459641] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.464823] RIP: 0033:0x4412a9 [ 77.468020] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.486925] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.494625] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 77.501987] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 77.509242] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 77.516506] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.523773] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 77.538146] FAULT_INJECTION: forcing a failure. [ 77.538146] name failslab, interval 1, probability 0, space 0, times 0 [ 77.549960] CPU: 0 PID: 7733 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 77.557943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.567281] Call Trace: [ 77.569872] dump_stack+0x197/0x210 [ 77.573512] should_fail.cold+0xa/0x1b [ 77.577390] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.582485] ? lock_downgrade+0x880/0x880 [ 77.586626] __should_failslab+0x121/0x190 [ 77.590867] should_failslab+0x9/0x14 [ 77.594658] __kmalloc+0x2e2/0x750 [ 77.598204] ? __lockdep_init_map+0x10c/0x5b0 [ 77.602707] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.607714] ? __kfifo_alloc+0x17e/0x2a0 [ 77.611762] __kfifo_alloc+0x17e/0x2a0 [ 77.615647] gsm_dlci_alloc+0xd9/0x410 [ 77.619526] gsm_activate_mux+0x201/0x2a0 [ 77.623687] gsmld_open+0x52a/0x7c0 [ 77.627324] ? gsmld_compat_ioctl+0x40/0x40 [ 77.631643] tty_ldisc_open.isra.0+0x89/0xd0 [ 77.636046] tty_set_ldisc+0x2e3/0x690 [ 77.639930] tty_ioctl+0x65e/0x1510 [ 77.643549] ? tty_vhangup+0x30/0x30 [ 77.647264] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.651789] ? proc_cwd_link+0x1d0/0x1d0 [ 77.655851] ? __might_sleep+0x95/0x190 [ 77.659821] ? vfs_write+0x2f0/0x560 [ 77.663524] ? tty_vhangup+0x30/0x30 [ 77.667229] do_vfs_ioctl+0xd5f/0x1380 [ 77.671115] ? selinux_file_ioctl+0x46f/0x5e0 [ 77.675621] ? selinux_file_ioctl+0x125/0x5e0 [ 77.680120] ? ioctl_preallocate+0x210/0x210 [ 77.684516] ? selinux_file_mprotect+0x620/0x620 [ 77.689259] ? __sb_end_write+0xd9/0x110 [ 77.693306] ? vfs_write+0x160/0x560 [ 77.697013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.702563] ? security_file_ioctl+0x8d/0xc0 [ 77.706957] ksys_ioctl+0xab/0xd0 [ 77.710397] __x64_sys_ioctl+0x73/0xb0 [ 77.714275] do_syscall_64+0xfd/0x620 [ 77.718067] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.723255] RIP: 0033:0x4412a9 [ 77.726455] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.745361] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.753079] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 77.760352] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 77.767626] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 77.774900] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 77.782199] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 77.799179] FAULT_INJECTION: forcing a failure. [ 77.799179] name failslab, interval 1, probability 0, space 0, times 0 [ 77.812578] CPU: 0 PID: 7734 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 77.820400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.829735] Call Trace: [ 77.832315] dump_stack+0x197/0x210 [ 77.835930] should_fail.cold+0xa/0x1b [ 77.839801] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.844886] ? lock_downgrade+0x880/0x880 [ 77.849048] __should_failslab+0x121/0x190 [ 77.853265] should_failslab+0x9/0x14 [ 77.857064] __kmalloc+0x2e2/0x750 [ 77.860600] ? __lockdep_init_map+0x10c/0x5b0 [ 77.865080] ? rcu_read_lock_sched_held+0x110/0x130 [ 77.870100] ? __kfifo_alloc+0x17e/0x2a0 [ 77.874145] __kfifo_alloc+0x17e/0x2a0 [ 77.878025] gsm_dlci_alloc+0xd9/0x410 [ 77.881897] gsm_activate_mux+0x201/0x2a0 [ 77.886044] gsmld_open+0x52a/0x7c0 [ 77.889711] ? gsmld_compat_ioctl+0x40/0x40 [ 77.894040] tty_ldisc_open.isra.0+0x89/0xd0 [ 77.898436] tty_set_ldisc+0x2e3/0x690 [ 77.902308] tty_ioctl+0x65e/0x1510 [ 77.905918] ? tty_vhangup+0x30/0x30 [ 77.909617] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.914108] ? proc_cwd_link+0x1d0/0x1d0 [ 77.918170] ? __might_sleep+0x95/0x190 [ 77.922154] ? vfs_write+0x2f0/0x560 [ 77.925852] ? tty_vhangup+0x30/0x30 [ 77.929551] do_vfs_ioctl+0xd5f/0x1380 [ 77.933441] ? selinux_file_ioctl+0x46f/0x5e0 [ 77.937917] ? selinux_file_ioctl+0x125/0x5e0 [ 77.942395] ? ioctl_preallocate+0x210/0x210 [ 77.946786] ? selinux_file_mprotect+0x620/0x620 [ 77.951525] ? __sb_end_write+0xd9/0x110 [ 77.955568] ? vfs_write+0x160/0x560 [ 77.959288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.964821] ? security_file_ioctl+0x8d/0xc0 [ 77.969213] ksys_ioctl+0xab/0xd0 [ 77.972651] __x64_sys_ioctl+0x73/0xb0 [ 77.976524] do_syscall_64+0xfd/0x620 [ 77.980310] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.985497] RIP: 0033:0x4412a9 [ 77.988675] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 78.007571] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.015259] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 78.022510] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 78.029760] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 78.037040] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.044288] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 78.058404] FAULT_INJECTION: forcing a failure. [ 78.058404] name failslab, interval 1, probability 0, space 0, times 0 [ 78.069660] CPU: 0 PID: 7735 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 78.077440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.086784] Call Trace: [ 78.089363] dump_stack+0x197/0x210 [ 78.092978] should_fail.cold+0xa/0x1b [ 78.096856] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.101966] ? lock_downgrade+0x880/0x880 [ 78.106110] __should_failslab+0x121/0x190 [ 78.110332] should_failslab+0x9/0x14 [ 78.114117] __kmalloc+0x2e2/0x750 [ 78.117653] ? __lockdep_init_map+0x10c/0x5b0 [ 78.122159] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.127163] ? __kfifo_alloc+0x17e/0x2a0 [ 78.131209] __kfifo_alloc+0x17e/0x2a0 [ 78.135085] gsm_dlci_alloc+0xd9/0x410 [ 78.138961] gsm_activate_mux+0x201/0x2a0 [ 78.143093] gsmld_open+0x52a/0x7c0 [ 78.146706] ? gsmld_compat_ioctl+0x40/0x40 [ 78.151013] tty_ldisc_open.isra.0+0x89/0xd0 [ 78.155406] tty_set_ldisc+0x2e3/0x690 [ 78.159280] tty_ioctl+0x65e/0x1510 [ 78.162894] ? tty_vhangup+0x30/0x30 [ 78.166604] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.171099] ? proc_cwd_link+0x1d0/0x1d0 [ 78.175153] ? __might_sleep+0x95/0x190 [ 78.179113] ? vfs_write+0x2f0/0x560 [ 78.182818] ? tty_vhangup+0x30/0x30 [ 78.186520] do_vfs_ioctl+0xd5f/0x1380 [ 78.190411] ? selinux_file_ioctl+0x46f/0x5e0 [ 78.194891] ? selinux_file_ioctl+0x125/0x5e0 [ 78.199376] ? ioctl_preallocate+0x210/0x210 [ 78.203787] ? selinux_file_mprotect+0x620/0x620 [ 78.208551] ? __sb_end_write+0xd9/0x110 [ 78.212598] ? vfs_write+0x160/0x560 [ 78.216306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.221828] ? security_file_ioctl+0x8d/0xc0 [ 78.226222] ksys_ioctl+0xab/0xd0 [ 78.229662] __x64_sys_ioctl+0x73/0xb0 [ 78.233549] do_syscall_64+0xfd/0x620 [ 78.237338] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.242512] RIP: 0033:0x4412a9 [ 78.245689] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 78.264574] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.272266] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 78.279519] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 78.286775] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 78.294036] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.301291] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 78.315618] FAULT_INJECTION: forcing a failure. [ 78.315618] name failslab, interval 1, probability 0, space 0, times 0 [ 78.327079] CPU: 1 PID: 7736 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 78.334864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.344211] Call Trace: [ 78.346802] dump_stack+0x197/0x210 [ 78.350423] should_fail.cold+0xa/0x1b [ 78.354415] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.359510] ? lock_downgrade+0x880/0x880 [ 78.363655] __should_failslab+0x121/0x190 [ 78.367891] should_failslab+0x9/0x14 [ 78.371695] __kmalloc+0x2e2/0x750 [ 78.375242] ? __lockdep_init_map+0x10c/0x5b0 [ 78.379746] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.384755] ? __kfifo_alloc+0x17e/0x2a0 [ 78.388830] __kfifo_alloc+0x17e/0x2a0 [ 78.392739] gsm_dlci_alloc+0xd9/0x410 [ 78.396635] gsm_activate_mux+0x201/0x2a0 [ 78.400775] gsmld_open+0x52a/0x7c0 [ 78.404389] ? gsmld_compat_ioctl+0x40/0x40 [ 78.408697] tty_ldisc_open.isra.0+0x89/0xd0 [ 78.413108] tty_set_ldisc+0x2e3/0x690 [ 78.417002] tty_ioctl+0x65e/0x1510 [ 78.420670] ? tty_vhangup+0x30/0x30 [ 78.424377] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.428864] ? proc_cwd_link+0x1d0/0x1d0 [ 78.432927] ? __might_sleep+0x95/0x190 [ 78.436899] ? vfs_write+0x2f0/0x560 [ 78.440606] ? tty_vhangup+0x30/0x30 [ 78.444316] do_vfs_ioctl+0xd5f/0x1380 [ 78.448202] ? selinux_file_ioctl+0x46f/0x5e0 [ 78.452687] ? selinux_file_ioctl+0x125/0x5e0 [ 78.457225] ? ioctl_preallocate+0x210/0x210 [ 78.461630] ? selinux_file_mprotect+0x620/0x620 [ 78.466380] ? __sb_end_write+0xd9/0x110 [ 78.470522] ? vfs_write+0x160/0x560 [ 78.474239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.479773] ? security_file_ioctl+0x8d/0xc0 [ 78.484276] ksys_ioctl+0xab/0xd0 [ 78.487736] __x64_sys_ioctl+0x73/0xb0 [ 78.491626] do_syscall_64+0xfd/0x620 [ 78.495579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.500764] RIP: 0033:0x4412a9 executing program [ 78.503946] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.522842] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.530546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 78.537806] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 78.545067] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 78.552327] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.559605] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 78.575768] FAULT_INJECTION: forcing a failure. [ 78.575768] name failslab, interval 1, probability 0, space 0, times 0 [ 78.587145] CPU: 0 PID: 7737 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 78.594925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.604264] Call Trace: [ 78.606847] dump_stack+0x197/0x210 [ 78.610488] should_fail.cold+0xa/0x1b [ 78.614370] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.619469] ? lock_downgrade+0x880/0x880 [ 78.623631] __should_failslab+0x121/0x190 [ 78.627858] should_failslab+0x9/0x14 [ 78.631660] __kmalloc+0x2e2/0x750 [ 78.635201] ? __lockdep_init_map+0x10c/0x5b0 [ 78.639695] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.644709] ? __kfifo_alloc+0x17e/0x2a0 [ 78.648908] __kfifo_alloc+0x17e/0x2a0 [ 78.652794] gsm_dlci_alloc+0xd9/0x410 [ 78.656696] gsm_activate_mux+0x201/0x2a0 [ 78.660884] gsmld_open+0x52a/0x7c0 [ 78.664542] ? gsmld_compat_ioctl+0x40/0x40 [ 78.668860] tty_ldisc_open.isra.0+0x89/0xd0 [ 78.673260] tty_set_ldisc+0x2e3/0x690 [ 78.677151] tty_ioctl+0x65e/0x1510 [ 78.680772] ? tty_vhangup+0x30/0x30 [ 78.684471] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.688954] ? proc_cwd_link+0x1d0/0x1d0 [ 78.693013] ? __might_sleep+0x95/0x190 [ 78.696986] ? vfs_write+0x2f0/0x560 [ 78.700772] ? tty_vhangup+0x30/0x30 [ 78.704475] do_vfs_ioctl+0xd5f/0x1380 [ 78.708351] ? selinux_file_ioctl+0x46f/0x5e0 [ 78.712835] ? selinux_file_ioctl+0x125/0x5e0 [ 78.717319] ? ioctl_preallocate+0x210/0x210 [ 78.721715] ? selinux_file_mprotect+0x620/0x620 [ 78.726458] ? __sb_end_write+0xd9/0x110 [ 78.730504] ? vfs_write+0x160/0x560 [ 78.734225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.739760] ? security_file_ioctl+0x8d/0xc0 [ 78.744156] ksys_ioctl+0xab/0xd0 [ 78.747597] __x64_sys_ioctl+0x73/0xb0 [ 78.751475] do_syscall_64+0xfd/0x620 [ 78.755281] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.760458] RIP: 0033:0x4412a9 executing program [ 78.763652] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.782543] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.790251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 78.797505] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 78.804763] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 78.812024] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.819278] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 78.833116] FAULT_INJECTION: forcing a failure. [ 78.833116] name failslab, interval 1, probability 0, space 0, times 0 [ 78.844677] CPU: 1 PID: 7738 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 78.853150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.862489] Call Trace: [ 78.865071] dump_stack+0x197/0x210 [ 78.868697] should_fail.cold+0xa/0x1b [ 78.872575] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.877667] ? lock_downgrade+0x880/0x880 [ 78.881808] __should_failslab+0x121/0x190 [ 78.886035] should_failslab+0x9/0x14 [ 78.889822] __kmalloc+0x2e2/0x750 [ 78.893350] ? __lockdep_init_map+0x10c/0x5b0 [ 78.897833] ? rcu_read_lock_sched_held+0x110/0x130 [ 78.902839] ? __kfifo_alloc+0x17e/0x2a0 [ 78.906905] __kfifo_alloc+0x17e/0x2a0 [ 78.910804] gsm_dlci_alloc+0xd9/0x410 [ 78.914684] gsm_activate_mux+0x201/0x2a0 [ 78.918818] gsmld_open+0x52a/0x7c0 [ 78.922446] ? gsmld_compat_ioctl+0x40/0x40 [ 78.926756] tty_ldisc_open.isra.0+0x89/0xd0 [ 78.931153] tty_set_ldisc+0x2e3/0x690 [ 78.935027] tty_ioctl+0x65e/0x1510 [ 78.938650] ? tty_vhangup+0x30/0x30 [ 78.942364] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.946949] ? proc_cwd_link+0x1d0/0x1d0 [ 78.951033] ? __might_sleep+0x95/0x190 [ 78.955037] ? vfs_write+0x2f0/0x560 [ 78.958752] ? tty_vhangup+0x30/0x30 [ 78.962458] do_vfs_ioctl+0xd5f/0x1380 [ 78.966344] ? selinux_file_ioctl+0x46f/0x5e0 [ 78.970833] ? selinux_file_ioctl+0x125/0x5e0 [ 78.975328] ? ioctl_preallocate+0x210/0x210 [ 78.979863] ? selinux_file_mprotect+0x620/0x620 [ 78.984620] ? __sb_end_write+0xd9/0x110 [ 78.988681] ? vfs_write+0x160/0x560 [ 78.992391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.997925] ? security_file_ioctl+0x8d/0xc0 [ 79.002333] ksys_ioctl+0xab/0xd0 [ 79.005828] __x64_sys_ioctl+0x73/0xb0 [ 79.009732] do_syscall_64+0xfd/0x620 [ 79.013541] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.018725] RIP: 0033:0x4412a9 [ 79.021908] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.040842] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.048553] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 79.055815] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 79.063077] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 79.070451] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 79.077711] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 79.092208] FAULT_INJECTION: forcing a failure. [ 79.092208] name failslab, interval 1, probability 0, space 0, times 0 [ 79.103559] CPU: 0 PID: 7739 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 79.111340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.120738] Call Trace: [ 79.123332] dump_stack+0x197/0x210 [ 79.126972] should_fail.cold+0xa/0x1b [ 79.130873] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.136107] ? lock_downgrade+0x880/0x880 [ 79.140259] __should_failslab+0x121/0x190 [ 79.144500] should_failslab+0x9/0x14 [ 79.148485] __kmalloc+0x2e2/0x750 [ 79.152050] ? __lockdep_init_map+0x10c/0x5b0 [ 79.156551] ? rcu_read_lock_sched_held+0x110/0x130 [ 79.161622] ? __kfifo_alloc+0x17e/0x2a0 [ 79.165680] __kfifo_alloc+0x17e/0x2a0 [ 79.169564] gsm_dlci_alloc+0xd9/0x410 [ 79.173475] gsm_activate_mux+0x201/0x2a0 [ 79.177613] gsmld_open+0x52a/0x7c0 [ 79.181228] ? gsmld_compat_ioctl+0x40/0x40 [ 79.185538] tty_ldisc_open.isra.0+0x89/0xd0 [ 79.189937] tty_set_ldisc+0x2e3/0x690 [ 79.193832] tty_ioctl+0x65e/0x1510 [ 79.197457] ? tty_vhangup+0x30/0x30 [ 79.201159] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.205639] ? proc_cwd_link+0x1d0/0x1d0 [ 79.209695] ? __might_sleep+0x95/0x190 [ 79.213661] ? vfs_write+0x2f0/0x560 [ 79.217365] ? tty_vhangup+0x30/0x30 [ 79.221065] do_vfs_ioctl+0xd5f/0x1380 [ 79.225068] ? selinux_file_ioctl+0x46f/0x5e0 [ 79.229557] ? selinux_file_ioctl+0x125/0x5e0 [ 79.234127] ? ioctl_preallocate+0x210/0x210 [ 79.238519] ? selinux_file_mprotect+0x620/0x620 [ 79.243260] ? __sb_end_write+0xd9/0x110 [ 79.247307] ? vfs_write+0x160/0x560 [ 79.251010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.256531] ? security_file_ioctl+0x8d/0xc0 [ 79.260988] ksys_ioctl+0xab/0xd0 [ 79.264456] __x64_sys_ioctl+0x73/0xb0 [ 79.268334] do_syscall_64+0xfd/0x620 [ 79.272125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.277299] RIP: 0033:0x4412a9 [ 79.280475] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.299361] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.307056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 79.314309] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 79.321564] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 79.328837] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 79.336090] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 79.349648] FAULT_INJECTION: forcing a failure. [ 79.349648] name failslab, interval 1, probability 0, space 0, times 0 [ 79.360973] CPU: 1 PID: 7740 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 79.368755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.378151] Call Trace: [ 79.380743] dump_stack+0x197/0x210 [ 79.384359] should_fail.cold+0xa/0x1b [ 79.388285] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.393376] ? lock_downgrade+0x880/0x880 [ 79.397526] __should_failslab+0x121/0x190 [ 79.401751] should_failslab+0x9/0x14 [ 79.405686] __kmalloc+0x2e2/0x750 [ 79.409226] ? __lockdep_init_map+0x10c/0x5b0 [ 79.413756] ? rcu_read_lock_sched_held+0x110/0x130 [ 79.418765] ? __kfifo_alloc+0x17e/0x2a0 [ 79.422828] __kfifo_alloc+0x17e/0x2a0 [ 79.426713] gsm_dlci_alloc+0xd9/0x410 [ 79.430589] gsm_activate_mux+0x201/0x2a0 [ 79.434791] gsmld_open+0x52a/0x7c0 [ 79.438404] ? gsmld_compat_ioctl+0x40/0x40 [ 79.442711] tty_ldisc_open.isra.0+0x89/0xd0 [ 79.447107] tty_set_ldisc+0x2e3/0x690 [ 79.450979] tty_ioctl+0x65e/0x1510 [ 79.454589] ? tty_vhangup+0x30/0x30 [ 79.458393] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.462871] ? proc_cwd_link+0x1d0/0x1d0 [ 79.467051] ? __might_sleep+0x95/0x190 [ 79.471013] ? vfs_write+0x2f0/0x560 [ 79.474720] ? tty_vhangup+0x30/0x30 [ 79.478431] do_vfs_ioctl+0xd5f/0x1380 [ 79.482302] ? selinux_file_ioctl+0x46f/0x5e0 [ 79.486779] ? selinux_file_ioctl+0x125/0x5e0 [ 79.491261] ? ioctl_preallocate+0x210/0x210 [ 79.495714] ? selinux_file_mprotect+0x620/0x620 [ 79.500467] ? __sb_end_write+0xd9/0x110 [ 79.504520] ? vfs_write+0x160/0x560 [ 79.508229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.513750] ? security_file_ioctl+0x8d/0xc0 [ 79.518151] ksys_ioctl+0xab/0xd0 [ 79.521640] __x64_sys_ioctl+0x73/0xb0 [ 79.525517] do_syscall_64+0xfd/0x620 [ 79.529357] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.534530] RIP: 0033:0x4412a9 [ 79.537704] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.556598] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.564321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 79.571580] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 79.578838] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 79.586098] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 79.593351] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 79.607212] FAULT_INJECTION: forcing a failure. [ 79.607212] name failslab, interval 1, probability 0, space 0, times 0 [ 79.618538] CPU: 0 PID: 7741 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 79.626317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.635828] Call Trace: [ 79.638408] dump_stack+0x197/0x210 [ 79.642027] should_fail.cold+0xa/0x1b [ 79.645903] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.651147] ? lock_downgrade+0x880/0x880 [ 79.655287] __should_failslab+0x121/0x190 [ 79.659508] should_failslab+0x9/0x14 [ 79.663294] __kmalloc+0x2e2/0x750 [ 79.666819] ? __lockdep_init_map+0x10c/0x5b0 [ 79.671296] ? rcu_read_lock_sched_held+0x110/0x130 [ 79.676298] ? __kfifo_alloc+0x17e/0x2a0 [ 79.680478] __kfifo_alloc+0x17e/0x2a0 [ 79.684415] gsm_dlci_alloc+0xd9/0x410 [ 79.688290] gsm_activate_mux+0x201/0x2a0 [ 79.692435] gsmld_open+0x52a/0x7c0 [ 79.696066] ? gsmld_compat_ioctl+0x40/0x40 [ 79.700460] tty_ldisc_open.isra.0+0x89/0xd0 [ 79.704865] tty_set_ldisc+0x2e3/0x690 [ 79.708737] tty_ioctl+0x65e/0x1510 [ 79.712530] ? tty_vhangup+0x30/0x30 [ 79.716232] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.720711] ? proc_cwd_link+0x1d0/0x1d0 [ 79.724769] ? __might_sleep+0x95/0x190 [ 79.728783] ? vfs_write+0x2f0/0x560 [ 79.732482] ? tty_vhangup+0x30/0x30 [ 79.736184] do_vfs_ioctl+0xd5f/0x1380 [ 79.740055] ? selinux_file_ioctl+0x46f/0x5e0 [ 79.744554] ? selinux_file_ioctl+0x125/0x5e0 [ 79.749032] ? ioctl_preallocate+0x210/0x210 [ 79.753423] ? selinux_file_mprotect+0x620/0x620 [ 79.758170] ? __sb_end_write+0xd9/0x110 [ 79.762214] ? vfs_write+0x160/0x560 [ 79.765914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.771435] ? security_file_ioctl+0x8d/0xc0 [ 79.775824] ksys_ioctl+0xab/0xd0 [ 79.779264] __x64_sys_ioctl+0x73/0xb0 [ 79.783137] do_syscall_64+0xfd/0x620 [ 79.786932] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.792102] RIP: 0033:0x4412a9 [ 79.795278] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.814169] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.821946] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 79.829199] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 79.836450] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 79.843702] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 79.850956] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 79.864687] FAULT_INJECTION: forcing a failure. [ 79.864687] name failslab, interval 1, probability 0, space 0, times 0 [ 79.875926] CPU: 1 PID: 7742 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 79.883711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.893060] Call Trace: [ 79.895670] dump_stack+0x197/0x210 [ 79.899309] should_fail.cold+0xa/0x1b [ 79.903183] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.908271] ? lock_downgrade+0x880/0x880 [ 79.912409] __should_failslab+0x121/0x190 [ 79.916634] should_failslab+0x9/0x14 [ 79.920427] __kmalloc+0x2e2/0x750 [ 79.923953] ? __lockdep_init_map+0x10c/0x5b0 [ 79.928448] ? rcu_read_lock_sched_held+0x110/0x130 [ 79.933558] ? __kfifo_alloc+0x17e/0x2a0 [ 79.937618] __kfifo_alloc+0x17e/0x2a0 [ 79.941503] gsm_dlci_alloc+0xd9/0x410 [ 79.945388] gsm_activate_mux+0x201/0x2a0 [ 79.949534] gsmld_open+0x52a/0x7c0 [ 79.953144] ? gsmld_compat_ioctl+0x40/0x40 [ 79.957475] tty_ldisc_open.isra.0+0x89/0xd0 [ 79.961883] tty_set_ldisc+0x2e3/0x690 [ 79.965756] tty_ioctl+0x65e/0x1510 [ 79.969366] ? tty_vhangup+0x30/0x30 [ 79.973063] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.977540] ? proc_cwd_link+0x1d0/0x1d0 [ 79.981610] ? __might_sleep+0x95/0x190 [ 79.985569] ? vfs_write+0x2f0/0x560 [ 79.989294] ? tty_vhangup+0x30/0x30 [ 79.993042] do_vfs_ioctl+0xd5f/0x1380 [ 79.996921] ? selinux_file_ioctl+0x46f/0x5e0 [ 80.001405] ? selinux_file_ioctl+0x125/0x5e0 [ 80.005974] ? ioctl_preallocate+0x210/0x210 [ 80.010367] ? selinux_file_mprotect+0x620/0x620 [ 80.015115] ? __sb_end_write+0xd9/0x110 [ 80.019163] ? vfs_write+0x160/0x560 [ 80.022882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.028413] ? security_file_ioctl+0x8d/0xc0 [ 80.032809] ksys_ioctl+0xab/0xd0 [ 80.036274] __x64_sys_ioctl+0x73/0xb0 [ 80.040158] do_syscall_64+0xfd/0x620 [ 80.043960] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.049132] RIP: 0033:0x4412a9 [ 80.052324] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.071209] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.078903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 80.086162] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 80.093415] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 80.100665] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 80.107916] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 80.120962] FAULT_INJECTION: forcing a failure. [ 80.120962] name failslab, interval 1, probability 0, space 0, times 0 [ 80.132278] CPU: 0 PID: 7743 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 80.140070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.149403] Call Trace: [ 80.151981] dump_stack+0x197/0x210 [ 80.155600] should_fail.cold+0xa/0x1b [ 80.159472] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.164561] ? lock_downgrade+0x880/0x880 [ 80.168710] __should_failslab+0x121/0x190 [ 80.172981] should_failslab+0x9/0x14 [ 80.176811] __kmalloc+0x2e2/0x750 [ 80.180368] ? __lockdep_init_map+0x10c/0x5b0 [ 80.184897] ? rcu_read_lock_sched_held+0x110/0x130 [ 80.189898] ? __kfifo_alloc+0x17e/0x2a0 [ 80.193943] __kfifo_alloc+0x17e/0x2a0 [ 80.197830] gsm_dlci_alloc+0xd9/0x410 [ 80.201701] gsm_activate_mux+0x201/0x2a0 [ 80.205833] gsmld_open+0x52a/0x7c0 [ 80.209443] ? gsmld_compat_ioctl+0x40/0x40 [ 80.213796] tty_ldisc_open.isra.0+0x89/0xd0 [ 80.218188] tty_set_ldisc+0x2e3/0x690 [ 80.222066] tty_ioctl+0x65e/0x1510 [ 80.225700] ? tty_vhangup+0x30/0x30 [ 80.229400] ? proc_fail_nth_write+0x9d/0x1e0 [ 80.233876] ? proc_cwd_link+0x1d0/0x1d0 [ 80.237931] ? __might_sleep+0x95/0x190 [ 80.241896] ? vfs_write+0x2f0/0x560 [ 80.245634] ? tty_vhangup+0x30/0x30 [ 80.249335] do_vfs_ioctl+0xd5f/0x1380 [ 80.253206] ? selinux_file_ioctl+0x46f/0x5e0 [ 80.257685] ? selinux_file_ioctl+0x125/0x5e0 [ 80.262165] ? ioctl_preallocate+0x210/0x210 [ 80.266556] ? selinux_file_mprotect+0x620/0x620 [ 80.271387] ? __sb_end_write+0xd9/0x110 [ 80.275434] ? vfs_write+0x160/0x560 [ 80.279135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.284654] ? security_file_ioctl+0x8d/0xc0 [ 80.289155] ksys_ioctl+0xab/0xd0 [ 80.292600] __x64_sys_ioctl+0x73/0xb0 [ 80.296492] do_syscall_64+0xfd/0x620 [ 80.300291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.305468] RIP: 0033:0x4412a9 [ 80.308645] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.327614] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 80.335304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 80.342557] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 80.349809] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 80.357063] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 80.364318] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 80.377560] FAULT_INJECTION: forcing a failure. [ 80.377560] name failslab, interval 1, probability 0, space 0, times 0 [ 80.389397] CPU: 0 PID: 7744 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 80.397179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.406521] Call Trace: [ 80.409115] dump_stack+0x197/0x210 [ 80.412735] should_fail.cold+0xa/0x1b [ 80.416623] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.421721] ? lock_downgrade+0x880/0x880 [ 80.425862] __should_failslab+0x121/0x190 [ 80.430107] should_failslab+0x9/0x14 [ 80.433894] __kmalloc+0x2e2/0x750 [ 80.437523] ? __lockdep_init_map+0x10c/0x5b0 [ 80.442107] ? rcu_read_lock_sched_held+0x110/0x130 [ 80.447117] ? __kfifo_alloc+0x17e/0x2a0 [ 80.451168] __kfifo_alloc+0x17e/0x2a0 [ 80.455045] gsm_dlci_alloc+0xd9/0x410 [ 80.458919] gsm_activate_mux+0x201/0x2a0 [ 80.463058] gsmld_open+0x52a/0x7c0 [ 80.466671] ? gsmld_compat_ioctl+0x40/0x40 [ 80.470993] tty_ldisc_open.isra.0+0x89/0xd0 [ 80.475386] tty_set_ldisc+0x2e3/0x690 [ 80.479264] tty_ioctl+0x65e/0x1510 [ 80.482885] ? tty_vhangup+0x30/0x30 [ 80.486582] ? proc_fail_nth_write+0x9d/0x1e0 [ 80.491060] ? proc_cwd_link+0x1d0/0x1d0 [ 80.495147] ? __might_sleep+0x95/0x190 [ 80.499133] ? vfs_write+0x2f0/0x560 [ 80.502834] ? tty_vhangup+0x30/0x30 [ 80.507487] do_vfs_ioctl+0xd5f/0x1380 [ 80.511370] ? selinux_file_ioctl+0x46f/0x5e0 [ 80.515851] ? selinux_file_ioctl+0x125/0x5e0 [ 80.520330] ? ioctl_preallocate+0x210/0x210 [ 80.524723] ? selinux_file_mprotect+0x620/0x620 [ 80.529479] ? __sb_end_write+0xd9/0x110 [ 80.533525] ? vfs_write+0x160/0x560 [ 80.537227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.542750] ? security_file_ioctl+0x8d/0xc0 [ 80.547143] ksys_ioctl+0xab/0xd0 [ 80.550582] __x64_sys_ioctl+0x73/0xb0 [ 80.554452] do_syscall_64+0xfd/0x620 [ 80.558241] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.563415] RIP: 0033:0x4412a9 [ 80.566594] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 80.585488] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.593194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 80.600450] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 80.607713] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 80.614965] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 80.622230] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 80.636943] FAULT_INJECTION: forcing a failure. [ 80.636943] name failslab, interval 1, probability 0, space 0, times 0 [ 80.648226] CPU: 1 PID: 7745 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 80.656001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.665335] Call Trace: [ 80.667909] dump_stack+0x197/0x210 [ 80.671525] should_fail.cold+0xa/0x1b [ 80.675403] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.680565] ? lock_downgrade+0x880/0x880 [ 80.684701] __should_failslab+0x121/0x190 [ 80.688971] should_failslab+0x9/0x14 [ 80.692755] __kmalloc+0x2e2/0x750 [ 80.696281] ? __lockdep_init_map+0x10c/0x5b0 [ 80.700758] ? rcu_read_lock_sched_held+0x110/0x130 [ 80.705755] ? __kfifo_alloc+0x17e/0x2a0 [ 80.709802] __kfifo_alloc+0x17e/0x2a0 [ 80.713678] gsm_dlci_alloc+0xd9/0x410 [ 80.717558] gsm_activate_mux+0x201/0x2a0 [ 80.721690] gsmld_open+0x52a/0x7c0 [ 80.725303] ? gsmld_compat_ioctl+0x40/0x40 [ 80.729679] tty_ldisc_open.isra.0+0x89/0xd0 [ 80.734078] tty_set_ldisc+0x2e3/0x690 [ 80.738013] tty_ioctl+0x65e/0x1510 [ 80.741626] ? tty_vhangup+0x30/0x30 [ 80.745325] ? proc_fail_nth_write+0x9d/0x1e0 [ 80.749820] ? proc_cwd_link+0x1d0/0x1d0 [ 80.753881] ? __might_sleep+0x95/0x190 [ 80.757864] ? vfs_write+0x2f0/0x560 [ 80.761570] ? tty_vhangup+0x30/0x30 [ 80.765277] do_vfs_ioctl+0xd5f/0x1380 [ 80.769162] ? selinux_file_ioctl+0x46f/0x5e0 [ 80.773639] ? selinux_file_ioctl+0x125/0x5e0 [ 80.778127] ? ioctl_preallocate+0x210/0x210 [ 80.782524] ? selinux_file_mprotect+0x620/0x620 [ 80.787266] ? __sb_end_write+0xd9/0x110 [ 80.791312] ? vfs_write+0x160/0x560 [ 80.795014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.800534] ? security_file_ioctl+0x8d/0xc0 [ 80.804924] ksys_ioctl+0xab/0xd0 [ 80.808487] __x64_sys_ioctl+0x73/0xb0 [ 80.812388] do_syscall_64+0xfd/0x620 [ 80.816237] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.821423] RIP: 0033:0x4412a9 executing program [ 80.824606] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.843497] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.851196] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 80.858455] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 80.865711] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 80.872965] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 80.880355] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 80.893912] FAULT_INJECTION: forcing a failure. [ 80.893912] name failslab, interval 1, probability 0, space 0, times 0 [ 80.905305] CPU: 0 PID: 7746 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 80.913095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.922450] Call Trace: [ 80.925034] dump_stack+0x197/0x210 [ 80.928795] should_fail.cold+0xa/0x1b [ 80.932675] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.937768] ? lock_downgrade+0x880/0x880 [ 80.941908] __should_failslab+0x121/0x190 [ 80.946144] should_failslab+0x9/0x14 [ 80.949927] __kmalloc+0x2e2/0x750 [ 80.953457] ? __lockdep_init_map+0x10c/0x5b0 [ 80.957939] ? rcu_read_lock_sched_held+0x110/0x130 [ 80.962941] ? __kfifo_alloc+0x17e/0x2a0 [ 80.966991] __kfifo_alloc+0x17e/0x2a0 [ 80.970865] gsm_dlci_alloc+0xd9/0x410 [ 80.974739] gsm_activate_mux+0x201/0x2a0 [ 80.978883] gsmld_open+0x52a/0x7c0 [ 80.982531] ? gsmld_compat_ioctl+0x40/0x40 [ 80.986850] tty_ldisc_open.isra.0+0x89/0xd0 [ 80.991245] tty_set_ldisc+0x2e3/0x690 [ 80.995154] tty_ioctl+0x65e/0x1510 [ 80.998769] ? tty_vhangup+0x30/0x30 [ 81.002522] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.007088] ? proc_cwd_link+0x1d0/0x1d0 [ 81.011158] ? __might_sleep+0x95/0x190 [ 81.015119] ? vfs_write+0x2f0/0x560 [ 81.018825] ? tty_vhangup+0x30/0x30 [ 81.022525] do_vfs_ioctl+0xd5f/0x1380 [ 81.026396] ? selinux_file_ioctl+0x46f/0x5e0 [ 81.030884] ? selinux_file_ioctl+0x125/0x5e0 [ 81.035364] ? ioctl_preallocate+0x210/0x210 [ 81.039758] ? selinux_file_mprotect+0x620/0x620 [ 81.044500] ? __sb_end_write+0xd9/0x110 [ 81.048544] ? vfs_write+0x160/0x560 [ 81.052248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.057766] ? security_file_ioctl+0x8d/0xc0 [ 81.062160] ksys_ioctl+0xab/0xd0 [ 81.065599] __x64_sys_ioctl+0x73/0xb0 [ 81.069473] do_syscall_64+0xfd/0x620 [ 81.073261] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.078432] RIP: 0033:0x4412a9 executing program [ 81.081618] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.100516] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.108211] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 81.115464] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 81.122721] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 81.129988] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.137242] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 81.150539] FAULT_INJECTION: forcing a failure. [ 81.150539] name failslab, interval 1, probability 0, space 0, times 0 [ 81.162097] CPU: 1 PID: 7747 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 81.169925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.179262] Call Trace: [ 81.181850] dump_stack+0x197/0x210 [ 81.185523] should_fail.cold+0xa/0x1b [ 81.189442] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.194672] ? lock_downgrade+0x880/0x880 [ 81.198817] __should_failslab+0x121/0x190 [ 81.203054] should_failslab+0x9/0x14 [ 81.206848] __kmalloc+0x2e2/0x750 [ 81.210381] ? __lockdep_init_map+0x10c/0x5b0 [ 81.214866] ? rcu_read_lock_sched_held+0x110/0x130 [ 81.219870] ? __kfifo_alloc+0x17e/0x2a0 [ 81.223953] __kfifo_alloc+0x17e/0x2a0 [ 81.227888] gsm_dlci_alloc+0xd9/0x410 [ 81.231765] gsm_activate_mux+0x201/0x2a0 [ 81.235959] gsmld_open+0x52a/0x7c0 [ 81.239741] ? gsmld_compat_ioctl+0x40/0x40 [ 81.244067] tty_ldisc_open.isra.0+0x89/0xd0 [ 81.248479] tty_set_ldisc+0x2e3/0x690 [ 81.252356] tty_ioctl+0x65e/0x1510 [ 81.256687] ? tty_vhangup+0x30/0x30 [ 81.260393] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.264973] ? proc_cwd_link+0x1d0/0x1d0 [ 81.269039] ? __might_sleep+0x95/0x190 [ 81.273002] ? vfs_write+0x2f0/0x560 [ 81.276705] ? tty_vhangup+0x30/0x30 [ 81.280425] do_vfs_ioctl+0xd5f/0x1380 [ 81.284305] ? selinux_file_ioctl+0x46f/0x5e0 [ 81.288805] ? selinux_file_ioctl+0x125/0x5e0 [ 81.293291] ? ioctl_preallocate+0x210/0x210 [ 81.297712] ? selinux_file_mprotect+0x620/0x620 [ 81.302466] ? __sb_end_write+0xd9/0x110 [ 81.306525] ? vfs_write+0x160/0x560 [ 81.310346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.315882] ? security_file_ioctl+0x8d/0xc0 [ 81.320302] ksys_ioctl+0xab/0xd0 [ 81.324114] __x64_sys_ioctl+0x73/0xb0 [ 81.327999] do_syscall_64+0xfd/0x620 [ 81.331791] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.336970] RIP: 0033:0x4412a9 [ 81.340153] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.359059] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.366778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 81.374049] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 81.381309] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 81.388565] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 81.395821] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 81.409834] FAULT_INJECTION: forcing a failure. [ 81.409834] name failslab, interval 1, probability 0, space 0, times 0 [ 81.421355] CPU: 0 PID: 7748 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 81.429175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.438522] Call Trace: [ 81.441107] dump_stack+0x197/0x210 [ 81.444743] should_fail.cold+0xa/0x1b [ 81.448649] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.453787] ? lock_downgrade+0x880/0x880 [ 81.457931] __should_failslab+0x121/0x190 [ 81.462157] should_failslab+0x9/0x14 [ 81.465979] __kmalloc+0x2e2/0x750 [ 81.469516] ? __lockdep_init_map+0x10c/0x5b0 [ 81.474031] ? rcu_read_lock_sched_held+0x110/0x130 [ 81.479054] ? __kfifo_alloc+0x17e/0x2a0 [ 81.483107] __kfifo_alloc+0x17e/0x2a0 [ 81.487001] gsm_dlci_alloc+0xd9/0x410 [ 81.490884] gsm_activate_mux+0x201/0x2a0 [ 81.495026] gsmld_open+0x52a/0x7c0 [ 81.498751] ? gsmld_compat_ioctl+0x40/0x40 [ 81.503066] tty_ldisc_open.isra.0+0x89/0xd0 [ 81.507470] tty_set_ldisc+0x2e3/0x690 [ 81.511350] tty_ioctl+0x65e/0x1510 [ 81.514968] ? tty_vhangup+0x30/0x30 [ 81.518719] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.523204] ? proc_cwd_link+0x1d0/0x1d0 [ 81.527266] ? __might_sleep+0x95/0x190 [ 81.531230] ? vfs_write+0x2f0/0x560 [ 81.534945] ? tty_vhangup+0x30/0x30 [ 81.538666] do_vfs_ioctl+0xd5f/0x1380 [ 81.542546] ? selinux_file_ioctl+0x46f/0x5e0 [ 81.547032] ? selinux_file_ioctl+0x125/0x5e0 [ 81.551520] ? ioctl_preallocate+0x210/0x210 [ 81.555915] ? selinux_file_mprotect+0x620/0x620 [ 81.560676] ? __sb_end_write+0xd9/0x110 [ 81.564723] ? vfs_write+0x160/0x560 [ 81.568432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.573974] ? security_file_ioctl+0x8d/0xc0 [ 81.578379] ksys_ioctl+0xab/0xd0 [ 81.581829] __x64_sys_ioctl+0x73/0xb0 [ 81.585706] do_syscall_64+0xfd/0x620 [ 81.589600] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.594774] RIP: 0033:0x4412a9 [ 81.597955] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.616851] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.624551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 81.631886] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 81.639185] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 81.646450] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.653748] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 81.668468] FAULT_INJECTION: forcing a failure. [ 81.668468] name failslab, interval 1, probability 0, space 0, times 0 [ 81.679799] CPU: 0 PID: 7749 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 81.687647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.696990] Call Trace: [ 81.699574] dump_stack+0x197/0x210 [ 81.703195] should_fail.cold+0xa/0x1b [ 81.707105] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.712205] ? lock_downgrade+0x880/0x880 [ 81.716346] __should_failslab+0x121/0x190 [ 81.720616] should_failslab+0x9/0x14 [ 81.724410] __kmalloc+0x2e2/0x750 [ 81.728036] ? __lockdep_init_map+0x10c/0x5b0 [ 81.732521] ? rcu_read_lock_sched_held+0x110/0x130 [ 81.737543] ? __kfifo_alloc+0x17e/0x2a0 [ 81.741639] __kfifo_alloc+0x17e/0x2a0 [ 81.745524] gsm_dlci_alloc+0xd9/0x410 [ 81.749407] gsm_activate_mux+0x201/0x2a0 [ 81.753541] gsmld_open+0x52a/0x7c0 [ 81.757154] ? gsmld_compat_ioctl+0x40/0x40 [ 81.761460] tty_ldisc_open.isra.0+0x89/0xd0 [ 81.765871] tty_set_ldisc+0x2e3/0x690 [ 81.769754] tty_ioctl+0x65e/0x1510 [ 81.773380] ? tty_vhangup+0x30/0x30 [ 81.777105] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.781585] ? proc_cwd_link+0x1d0/0x1d0 [ 81.785660] ? __might_sleep+0x95/0x190 [ 81.789620] ? vfs_write+0x2f0/0x560 [ 81.793331] ? tty_vhangup+0x30/0x30 [ 81.797032] do_vfs_ioctl+0xd5f/0x1380 [ 81.800906] ? selinux_file_ioctl+0x46f/0x5e0 [ 81.805387] ? selinux_file_ioctl+0x125/0x5e0 [ 81.809882] ? ioctl_preallocate+0x210/0x210 [ 81.814279] ? selinux_file_mprotect+0x620/0x620 [ 81.819817] ? __sb_end_write+0xd9/0x110 [ 81.823864] ? vfs_write+0x160/0x560 [ 81.827584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.833133] ? security_file_ioctl+0x8d/0xc0 [ 81.837537] ksys_ioctl+0xab/0xd0 [ 81.840977] __x64_sys_ioctl+0x73/0xb0 [ 81.844854] do_syscall_64+0xfd/0x620 [ 81.848659] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.853844] RIP: 0033:0x4412a9 [ 81.857022] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.875923] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.883619] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 81.890886] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 81.898148] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 81.905427] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.912680] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 81.926823] FAULT_INJECTION: forcing a failure. [ 81.926823] name failslab, interval 1, probability 0, space 0, times 0 [ 81.938280] CPU: 1 PID: 7750 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 81.946061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.955399] Call Trace: [ 81.957978] dump_stack+0x197/0x210 [ 81.961645] should_fail.cold+0xa/0x1b [ 81.965562] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.970658] ? lock_downgrade+0x880/0x880 [ 81.974824] __should_failslab+0x121/0x190 [ 81.979053] should_failslab+0x9/0x14 [ 81.982849] __kmalloc+0x2e2/0x750 [ 81.986380] ? __lockdep_init_map+0x10c/0x5b0 [ 81.990861] ? rcu_read_lock_sched_held+0x110/0x130 [ 81.995864] ? __kfifo_alloc+0x17e/0x2a0 [ 81.999912] __kfifo_alloc+0x17e/0x2a0 [ 82.003806] gsm_dlci_alloc+0xd9/0x410 [ 82.007697] gsm_activate_mux+0x201/0x2a0 [ 82.011830] gsmld_open+0x52a/0x7c0 [ 82.015446] ? gsmld_compat_ioctl+0x40/0x40 [ 82.019753] tty_ldisc_open.isra.0+0x89/0xd0 [ 82.024153] tty_set_ldisc+0x2e3/0x690 [ 82.028028] tty_ioctl+0x65e/0x1510 [ 82.031639] ? tty_vhangup+0x30/0x30 [ 82.035339] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.039833] ? proc_cwd_link+0x1d0/0x1d0 [ 82.043893] ? __might_sleep+0x95/0x190 [ 82.047869] ? vfs_write+0x2f0/0x560 [ 82.051568] ? tty_vhangup+0x30/0x30 [ 82.055291] do_vfs_ioctl+0xd5f/0x1380 [ 82.059170] ? selinux_file_ioctl+0x46f/0x5e0 [ 82.063653] ? selinux_file_ioctl+0x125/0x5e0 [ 82.068139] ? ioctl_preallocate+0x210/0x210 [ 82.072536] ? selinux_file_mprotect+0x620/0x620 [ 82.077298] ? __sb_end_write+0xd9/0x110 [ 82.081346] ? vfs_write+0x160/0x560 [ 82.085055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.090597] ? security_file_ioctl+0x8d/0xc0 [ 82.094995] ksys_ioctl+0xab/0xd0 [ 82.098439] __x64_sys_ioctl+0x73/0xb0 [ 82.102314] do_syscall_64+0xfd/0x620 [ 82.106134] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.111309] RIP: 0033:0x4412a9 [ 82.114488] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.133388] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.141086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 82.148341] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 82.155596] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 82.162849] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 82.170101] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 82.183896] FAULT_INJECTION: forcing a failure. [ 82.183896] name failslab, interval 1, probability 0, space 0, times 0 [ 82.195320] CPU: 0 PID: 7751 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 82.203106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.212450] Call Trace: [ 82.215035] dump_stack+0x197/0x210 [ 82.218670] should_fail.cold+0xa/0x1b [ 82.222545] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 82.227640] ? lock_downgrade+0x880/0x880 [ 82.231779] __should_failslab+0x121/0x190 [ 82.236001] should_failslab+0x9/0x14 [ 82.239817] __kmalloc+0x2e2/0x750 [ 82.243365] ? __lockdep_init_map+0x10c/0x5b0 [ 82.247848] ? rcu_read_lock_sched_held+0x110/0x130 [ 82.253217] ? __kfifo_alloc+0x17e/0x2a0 [ 82.257285] __kfifo_alloc+0x17e/0x2a0 [ 82.261172] gsm_dlci_alloc+0xd9/0x410 [ 82.265049] gsm_activate_mux+0x201/0x2a0 [ 82.269185] gsmld_open+0x52a/0x7c0 [ 82.272814] ? gsmld_compat_ioctl+0x40/0x40 [ 82.277123] tty_ldisc_open.isra.0+0x89/0xd0 [ 82.281518] tty_set_ldisc+0x2e3/0x690 [ 82.285393] tty_ioctl+0x65e/0x1510 [ 82.289005] ? tty_vhangup+0x30/0x30 [ 82.292711] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.297367] ? proc_cwd_link+0x1d0/0x1d0 [ 82.301514] ? __might_sleep+0x95/0x190 [ 82.305477] ? vfs_write+0x2f0/0x560 [ 82.309180] ? tty_vhangup+0x30/0x30 [ 82.312881] do_vfs_ioctl+0xd5f/0x1380 [ 82.316758] ? selinux_file_ioctl+0x46f/0x5e0 [ 82.321244] ? selinux_file_ioctl+0x125/0x5e0 [ 82.325728] ? ioctl_preallocate+0x210/0x210 [ 82.330129] ? selinux_file_mprotect+0x620/0x620 [ 82.334873] ? __sb_end_write+0xd9/0x110 [ 82.338919] ? vfs_write+0x160/0x560 [ 82.342624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.348177] ? security_file_ioctl+0x8d/0xc0 [ 82.352573] ksys_ioctl+0xab/0xd0 [ 82.356016] __x64_sys_ioctl+0x73/0xb0 [ 82.359915] do_syscall_64+0xfd/0x620 [ 82.363724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.368899] RIP: 0033:0x4412a9 [ 82.372077] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.390965] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.398663] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 82.405919] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 82.413182] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 82.420452] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 82.427714] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 82.443826] FAULT_INJECTION: forcing a failure. [ 82.443826] name failslab, interval 1, probability 0, space 0, times 0 [ 82.455225] CPU: 1 PID: 7752 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 82.463270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.472612] Call Trace: [ 82.475198] dump_stack+0x197/0x210 [ 82.478818] should_fail.cold+0xa/0x1b [ 82.482695] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 82.487797] ? lock_downgrade+0x880/0x880 [ 82.491950] __should_failslab+0x121/0x190 [ 82.496189] should_failslab+0x9/0x14 [ 82.499988] __kmalloc+0x2e2/0x750 [ 82.503532] ? __lockdep_init_map+0x10c/0x5b0 [ 82.508027] ? rcu_read_lock_sched_held+0x110/0x130 [ 82.513038] ? __kfifo_alloc+0x17e/0x2a0 [ 82.517169] __kfifo_alloc+0x17e/0x2a0 [ 82.521053] gsm_dlci_alloc+0xd9/0x410 [ 82.524947] gsm_activate_mux+0x201/0x2a0 [ 82.529199] gsmld_open+0x52a/0x7c0 [ 82.532814] ? gsmld_compat_ioctl+0x40/0x40 [ 82.537182] tty_ldisc_open.isra.0+0x89/0xd0 [ 82.541580] tty_set_ldisc+0x2e3/0x690 [ 82.545457] tty_ioctl+0x65e/0x1510 [ 82.549072] ? tty_vhangup+0x30/0x30 [ 82.552784] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.557273] ? proc_cwd_link+0x1d0/0x1d0 [ 82.561339] ? __might_sleep+0x95/0x190 [ 82.565302] ? vfs_write+0x2f0/0x560 [ 82.569008] ? tty_vhangup+0x30/0x30 [ 82.572712] do_vfs_ioctl+0xd5f/0x1380 [ 82.576592] ? selinux_file_ioctl+0x46f/0x5e0 [ 82.581074] ? selinux_file_ioctl+0x125/0x5e0 [ 82.585576] ? ioctl_preallocate+0x210/0x210 [ 82.589974] ? selinux_file_mprotect+0x620/0x620 [ 82.594721] ? __sb_end_write+0xd9/0x110 [ 82.598769] ? vfs_write+0x160/0x560 [ 82.602491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.608016] ? security_file_ioctl+0x8d/0xc0 [ 82.612473] ksys_ioctl+0xab/0xd0 [ 82.615978] __x64_sys_ioctl+0x73/0xb0 [ 82.619865] do_syscall_64+0xfd/0x620 [ 82.623668] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.628854] RIP: 0033:0x4412a9 [ 82.632088] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 82.651089] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.658796] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 82.666087] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 82.673343] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 82.680598] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 82.687867] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 82.702823] FAULT_INJECTION: forcing a failure. [ 82.702823] name failslab, interval 1, probability 0, space 0, times 0 [ 82.715264] CPU: 0 PID: 7753 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 82.723105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.732446] Call Trace: [ 82.735054] dump_stack+0x197/0x210 [ 82.738674] should_fail.cold+0xa/0x1b [ 82.742685] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 82.747786] ? lock_downgrade+0x880/0x880 [ 82.751934] __should_failslab+0x121/0x190 [ 82.756166] should_failslab+0x9/0x14 [ 82.759955] __kmalloc+0x2e2/0x750 [ 82.763492] ? __lockdep_init_map+0x10c/0x5b0 [ 82.767986] ? rcu_read_lock_sched_held+0x110/0x130 [ 82.773044] ? __kfifo_alloc+0x17e/0x2a0 [ 82.777148] __kfifo_alloc+0x17e/0x2a0 [ 82.781050] gsm_dlci_alloc+0xd9/0x410 [ 82.784930] gsm_activate_mux+0x201/0x2a0 [ 82.789067] gsmld_open+0x52a/0x7c0 [ 82.792684] ? gsmld_compat_ioctl+0x40/0x40 [ 82.796994] tty_ldisc_open.isra.0+0x89/0xd0 [ 82.801391] tty_set_ldisc+0x2e3/0x690 [ 82.805266] tty_ioctl+0x65e/0x1510 [ 82.808895] ? tty_vhangup+0x30/0x30 [ 82.812605] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.817094] ? proc_cwd_link+0x1d0/0x1d0 [ 82.821215] ? __might_sleep+0x95/0x190 [ 82.825228] ? vfs_write+0x2f0/0x560 [ 82.828935] ? tty_vhangup+0x30/0x30 [ 82.832683] do_vfs_ioctl+0xd5f/0x1380 [ 82.836632] ? selinux_file_ioctl+0x46f/0x5e0 [ 82.841133] ? selinux_file_ioctl+0x125/0x5e0 [ 82.845656] ? ioctl_preallocate+0x210/0x210 [ 82.850059] ? selinux_file_mprotect+0x620/0x620 [ 82.854811] ? __sb_end_write+0xd9/0x110 [ 82.859664] ? vfs_write+0x160/0x560 [ 82.863371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.868910] ? security_file_ioctl+0x8d/0xc0 [ 82.873306] ksys_ioctl+0xab/0xd0 [ 82.876760] __x64_sys_ioctl+0x73/0xb0 [ 82.880645] do_syscall_64+0xfd/0x620 [ 82.884449] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.889634] RIP: 0033:0x4412a9 executing program [ 82.892835] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.911736] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.919492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 82.926762] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 82.934029] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 82.941290] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 82.948615] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 82.962395] FAULT_INJECTION: forcing a failure. [ 82.962395] name failslab, interval 1, probability 0, space 0, times 0 [ 82.973874] CPU: 1 PID: 7754 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 82.981704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.991044] Call Trace: [ 82.993628] dump_stack+0x197/0x210 [ 82.997242] should_fail.cold+0xa/0x1b [ 83.001116] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.006207] ? lock_downgrade+0x880/0x880 [ 83.010364] __should_failslab+0x121/0x190 [ 83.014585] should_failslab+0x9/0x14 [ 83.018369] __kmalloc+0x2e2/0x750 [ 83.021906] ? __lockdep_init_map+0x10c/0x5b0 [ 83.026397] ? rcu_read_lock_sched_held+0x110/0x130 [ 83.031400] ? __kfifo_alloc+0x17e/0x2a0 [ 83.035447] __kfifo_alloc+0x17e/0x2a0 [ 83.039323] gsm_dlci_alloc+0xd9/0x410 [ 83.043197] gsm_activate_mux+0x201/0x2a0 [ 83.047329] gsmld_open+0x52a/0x7c0 [ 83.050954] ? gsmld_compat_ioctl+0x40/0x40 [ 83.055259] tty_ldisc_open.isra.0+0x89/0xd0 [ 83.059664] tty_set_ldisc+0x2e3/0x690 [ 83.063536] tty_ioctl+0x65e/0x1510 [ 83.067149] ? tty_vhangup+0x30/0x30 [ 83.070849] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.075326] ? proc_cwd_link+0x1d0/0x1d0 [ 83.079386] ? __might_sleep+0x95/0x190 [ 83.083346] ? vfs_write+0x2f0/0x560 [ 83.087044] ? tty_vhangup+0x30/0x30 [ 83.090743] do_vfs_ioctl+0xd5f/0x1380 [ 83.094614] ? selinux_file_ioctl+0x46f/0x5e0 [ 83.099096] ? selinux_file_ioctl+0x125/0x5e0 [ 83.103576] ? ioctl_preallocate+0x210/0x210 [ 83.107986] ? selinux_file_mprotect+0x620/0x620 [ 83.112728] ? __sb_end_write+0xd9/0x110 [ 83.116774] ? vfs_write+0x160/0x560 [ 83.120481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.126004] ? security_file_ioctl+0x8d/0xc0 [ 83.130397] ksys_ioctl+0xab/0xd0 [ 83.133849] __x64_sys_ioctl+0x73/0xb0 [ 83.137730] do_syscall_64+0xfd/0x620 [ 83.141527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.146705] RIP: 0033:0x4412a9 executing program [ 83.149898] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.168782] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.176474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 83.183767] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 83.191022] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 83.198336] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 83.205602] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 83.220270] FAULT_INJECTION: forcing a failure. [ 83.220270] name failslab, interval 1, probability 0, space 0, times 0 [ 83.231591] CPU: 0 PID: 7755 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 83.239374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.248715] Call Trace: [ 83.251300] dump_stack+0x197/0x210 [ 83.254917] should_fail.cold+0xa/0x1b [ 83.258857] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.263950] ? lock_downgrade+0x880/0x880 [ 83.268149] __should_failslab+0x121/0x190 [ 83.272370] should_failslab+0x9/0x14 [ 83.276219] __kmalloc+0x2e2/0x750 [ 83.279756] ? __lockdep_init_map+0x10c/0x5b0 [ 83.284240] ? rcu_read_lock_sched_held+0x110/0x130 [ 83.289242] ? __kfifo_alloc+0x17e/0x2a0 [ 83.293287] __kfifo_alloc+0x17e/0x2a0 [ 83.297190] gsm_dlci_alloc+0xd9/0x410 [ 83.301121] gsm_activate_mux+0x201/0x2a0 [ 83.305302] gsmld_open+0x52a/0x7c0 [ 83.308917] ? gsmld_compat_ioctl+0x40/0x40 [ 83.313223] tty_ldisc_open.isra.0+0x89/0xd0 [ 83.317618] tty_set_ldisc+0x2e3/0x690 [ 83.321491] tty_ioctl+0x65e/0x1510 [ 83.325109] ? tty_vhangup+0x30/0x30 [ 83.328806] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.333284] ? proc_cwd_link+0x1d0/0x1d0 [ 83.337357] ? __might_sleep+0x95/0x190 [ 83.341318] ? vfs_write+0x2f0/0x560 [ 83.345070] ? tty_vhangup+0x30/0x30 [ 83.348786] do_vfs_ioctl+0xd5f/0x1380 [ 83.352667] ? selinux_file_ioctl+0x46f/0x5e0 [ 83.357146] ? selinux_file_ioctl+0x125/0x5e0 [ 83.361627] ? ioctl_preallocate+0x210/0x210 [ 83.366020] ? selinux_file_mprotect+0x620/0x620 [ 83.370768] ? __sb_end_write+0xd9/0x110 [ 83.374813] ? vfs_write+0x160/0x560 [ 83.378517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.384043] ? security_file_ioctl+0x8d/0xc0 [ 83.388440] ksys_ioctl+0xab/0xd0 [ 83.391980] __x64_sys_ioctl+0x73/0xb0 [ 83.395857] do_syscall_64+0xfd/0x620 [ 83.399659] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.404830] RIP: 0033:0x4412a9 executing program [ 83.408017] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.426916] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.434616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 83.441871] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 83.449125] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 83.456381] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 83.463634] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 83.477510] FAULT_INJECTION: forcing a failure. [ 83.477510] name failslab, interval 1, probability 0, space 0, times 0 [ 83.488874] CPU: 1 PID: 7756 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 83.496655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.506004] Call Trace: [ 83.508595] dump_stack+0x197/0x210 [ 83.512214] should_fail.cold+0xa/0x1b [ 83.516090] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.521178] ? lock_downgrade+0x880/0x880 [ 83.525321] __should_failslab+0x121/0x190 [ 83.529576] should_failslab+0x9/0x14 [ 83.533368] __kmalloc+0x2e2/0x750 [ 83.536898] ? __lockdep_init_map+0x10c/0x5b0 [ 83.541395] ? rcu_read_lock_sched_held+0x110/0x130 [ 83.546396] ? __kfifo_alloc+0x17e/0x2a0 [ 83.550444] __kfifo_alloc+0x17e/0x2a0 [ 83.554321] gsm_dlci_alloc+0xd9/0x410 [ 83.558193] gsm_activate_mux+0x201/0x2a0 [ 83.562338] gsmld_open+0x52a/0x7c0 [ 83.565950] ? gsmld_compat_ioctl+0x40/0x40 [ 83.570279] tty_ldisc_open.isra.0+0x89/0xd0 [ 83.574671] tty_set_ldisc+0x2e3/0x690 [ 83.578544] tty_ioctl+0x65e/0x1510 [ 83.582159] ? tty_vhangup+0x30/0x30 [ 83.585856] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.590332] ? proc_cwd_link+0x1d0/0x1d0 [ 83.594388] ? __might_sleep+0x95/0x190 [ 83.598349] ? vfs_write+0x2f0/0x560 [ 83.602059] ? tty_vhangup+0x30/0x30 [ 83.605759] do_vfs_ioctl+0xd5f/0x1380 [ 83.609735] ? selinux_file_ioctl+0x46f/0x5e0 [ 83.614216] ? selinux_file_ioctl+0x125/0x5e0 [ 83.618724] ? ioctl_preallocate+0x210/0x210 [ 83.623118] ? selinux_file_mprotect+0x620/0x620 [ 83.627876] ? __sb_end_write+0xd9/0x110 [ 83.631928] ? vfs_write+0x160/0x560 [ 83.635632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.641153] ? security_file_ioctl+0x8d/0xc0 [ 83.645549] ksys_ioctl+0xab/0xd0 [ 83.648997] __x64_sys_ioctl+0x73/0xb0 [ 83.652881] do_syscall_64+0xfd/0x620 [ 83.656683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.661874] RIP: 0033:0x4412a9 [ 83.665057] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.683949] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.691649] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 83.698908] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 83.706233] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 83.717409] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 83.724667] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 83.738593] FAULT_INJECTION: forcing a failure. [ 83.738593] name failslab, interval 1, probability 0, space 0, times 0 [ 83.749877] CPU: 1 PID: 7757 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 83.757671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.767010] Call Trace: [ 83.769604] dump_stack+0x197/0x210 [ 83.773225] should_fail.cold+0xa/0x1b [ 83.777103] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.782193] ? lock_downgrade+0x880/0x880 [ 83.786344] __should_failslab+0x121/0x190 [ 83.790577] should_failslab+0x9/0x14 [ 83.794368] __kmalloc+0x2e2/0x750 [ 83.797908] ? __lockdep_init_map+0x10c/0x5b0 [ 83.802393] ? rcu_read_lock_sched_held+0x110/0x130 [ 83.807407] ? __kfifo_alloc+0x17e/0x2a0 [ 83.811457] __kfifo_alloc+0x17e/0x2a0 [ 83.815338] gsm_dlci_alloc+0xd9/0x410 [ 83.819271] gsm_activate_mux+0x201/0x2a0 [ 83.823478] gsmld_open+0x52a/0x7c0 [ 83.827090] ? gsmld_compat_ioctl+0x40/0x40 [ 83.831417] tty_ldisc_open.isra.0+0x89/0xd0 [ 83.835822] tty_set_ldisc+0x2e3/0x690 [ 83.839701] tty_ioctl+0x65e/0x1510 [ 83.843316] ? tty_vhangup+0x30/0x30 [ 83.847018] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.851497] ? proc_cwd_link+0x1d0/0x1d0 [ 83.855560] ? __might_sleep+0x95/0x190 [ 83.859531] ? vfs_write+0x2f0/0x560 [ 83.863231] ? tty_vhangup+0x30/0x30 [ 83.866943] do_vfs_ioctl+0xd5f/0x1380 [ 83.870858] ? selinux_file_ioctl+0x46f/0x5e0 [ 83.875341] ? selinux_file_ioctl+0x125/0x5e0 [ 83.879829] ? ioctl_preallocate+0x210/0x210 [ 83.884247] ? selinux_file_mprotect+0x620/0x620 [ 83.888996] ? __sb_end_write+0xd9/0x110 [ 83.893046] ? vfs_write+0x160/0x560 [ 83.896816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.902340] ? security_file_ioctl+0x8d/0xc0 [ 83.906748] ksys_ioctl+0xab/0xd0 [ 83.910190] __x64_sys_ioctl+0x73/0xb0 [ 83.914074] do_syscall_64+0xfd/0x620 [ 83.917872] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.923045] RIP: 0033:0x4412a9 [ 83.926226] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.945113] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.952818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 83.960070] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 83.967321] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 83.974571] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 83.981822] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 83.996263] FAULT_INJECTION: forcing a failure. [ 83.996263] name failslab, interval 1, probability 0, space 0, times 0 [ 84.007539] CPU: 1 PID: 7758 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 84.015332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.024676] Call Trace: [ 84.027298] dump_stack+0x197/0x210 [ 84.030915] should_fail.cold+0xa/0x1b [ 84.034803] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.039894] ? lock_downgrade+0x880/0x880 [ 84.044035] __should_failslab+0x121/0x190 [ 84.048267] should_failslab+0x9/0x14 [ 84.052063] __kmalloc+0x2e2/0x750 [ 84.055590] ? __lockdep_init_map+0x10c/0x5b0 [ 84.060073] ? rcu_read_lock_sched_held+0x110/0x130 [ 84.065075] ? __kfifo_alloc+0x17e/0x2a0 [ 84.069132] __kfifo_alloc+0x17e/0x2a0 [ 84.073012] gsm_dlci_alloc+0xd9/0x410 [ 84.076899] gsm_activate_mux+0x201/0x2a0 [ 84.081061] gsmld_open+0x52a/0x7c0 [ 84.084672] ? gsmld_compat_ioctl+0x40/0x40 [ 84.088979] tty_ldisc_open.isra.0+0x89/0xd0 [ 84.093388] tty_set_ldisc+0x2e3/0x690 [ 84.097262] tty_ioctl+0x65e/0x1510 [ 84.100872] ? tty_vhangup+0x30/0x30 [ 84.104572] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.109071] ? proc_cwd_link+0x1d0/0x1d0 [ 84.113129] ? __might_sleep+0x95/0x190 [ 84.117088] ? vfs_write+0x2f0/0x560 [ 84.120784] ? tty_vhangup+0x30/0x30 [ 84.124481] do_vfs_ioctl+0xd5f/0x1380 [ 84.128361] ? selinux_file_ioctl+0x46f/0x5e0 [ 84.132848] ? selinux_file_ioctl+0x125/0x5e0 [ 84.137327] ? ioctl_preallocate+0x210/0x210 [ 84.141719] ? selinux_file_mprotect+0x620/0x620 [ 84.146464] ? __sb_end_write+0xd9/0x110 [ 84.150508] ? vfs_write+0x160/0x560 [ 84.154227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.159748] ? security_file_ioctl+0x8d/0xc0 [ 84.164143] ksys_ioctl+0xab/0xd0 [ 84.167581] __x64_sys_ioctl+0x73/0xb0 [ 84.171453] do_syscall_64+0xfd/0x620 [ 84.175241] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.180425] RIP: 0033:0x4412a9 [ 84.183606] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.202494] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.210187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 84.217438] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 84.224689] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 84.231940] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 84.239205] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 84.253181] FAULT_INJECTION: forcing a failure. [ 84.253181] name failslab, interval 1, probability 0, space 0, times 0 [ 84.265077] CPU: 0 PID: 7759 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 84.272871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.282214] Call Trace: [ 84.284820] dump_stack+0x197/0x210 [ 84.288439] should_fail.cold+0xa/0x1b [ 84.292315] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.297506] ? lock_downgrade+0x880/0x880 [ 84.301677] __should_failslab+0x121/0x190 [ 84.305958] should_failslab+0x9/0x14 [ 84.309744] __kmalloc+0x2e2/0x750 [ 84.313275] ? __lockdep_init_map+0x10c/0x5b0 [ 84.317757] ? rcu_read_lock_sched_held+0x110/0x130 [ 84.322761] ? __kfifo_alloc+0x17e/0x2a0 [ 84.326814] __kfifo_alloc+0x17e/0x2a0 [ 84.330692] gsm_dlci_alloc+0xd9/0x410 [ 84.334568] gsm_activate_mux+0x201/0x2a0 [ 84.338705] gsmld_open+0x52a/0x7c0 [ 84.342325] ? gsmld_compat_ioctl+0x40/0x40 [ 84.346634] tty_ldisc_open.isra.0+0x89/0xd0 [ 84.351029] tty_set_ldisc+0x2e3/0x690 [ 84.354904] tty_ioctl+0x65e/0x1510 [ 84.358517] ? tty_vhangup+0x30/0x30 [ 84.362216] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.366694] ? proc_cwd_link+0x1d0/0x1d0 [ 84.370749] ? __might_sleep+0x95/0x190 [ 84.374708] ? vfs_write+0x2f0/0x560 [ 84.378449] ? tty_vhangup+0x30/0x30 [ 84.382149] do_vfs_ioctl+0xd5f/0x1380 [ 84.386032] ? selinux_file_ioctl+0x46f/0x5e0 [ 84.390511] ? selinux_file_ioctl+0x125/0x5e0 [ 84.395023] ? ioctl_preallocate+0x210/0x210 [ 84.399427] ? selinux_file_mprotect+0x620/0x620 [ 84.404181] ? __sb_end_write+0xd9/0x110 [ 84.408227] ? vfs_write+0x160/0x560 [ 84.411936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.417459] ? security_file_ioctl+0x8d/0xc0 [ 84.421865] ksys_ioctl+0xab/0xd0 [ 84.425318] __x64_sys_ioctl+0x73/0xb0 [ 84.429201] do_syscall_64+0xfd/0x620 [ 84.433011] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.438190] RIP: 0033:0x4412a9 [ 84.441372] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.460268] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.468012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 84.475273] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 84.482531] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 84.489798] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 84.497113] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 84.510900] FAULT_INJECTION: forcing a failure. [ 84.510900] name failslab, interval 1, probability 0, space 0, times 0 [ 84.522236] CPU: 1 PID: 7760 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 84.530015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.539350] Call Trace: [ 84.541937] dump_stack+0x197/0x210 [ 84.545553] should_fail.cold+0xa/0x1b [ 84.549423] ? trace_hardirqs_on+0x67/0x220 [ 84.553743] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.558837] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 84.563935] ? gsm_activate_mux+0x1f7/0x2a0 [ 84.568335] __should_failslab+0x121/0x190 [ 84.572615] should_failslab+0x9/0x14 [ 84.576455] kmem_cache_alloc_trace+0x4b/0x760 [ 84.581038] ? lock_downgrade+0x880/0x880 [ 84.585178] gsm_dlci_alloc+0x4b/0x410 [ 84.589053] gsm_activate_mux+0x201/0x2a0 [ 84.593188] gsmld_open+0x52a/0x7c0 [ 84.596806] ? gsmld_compat_ioctl+0x40/0x40 [ 84.601124] tty_ldisc_open.isra.0+0x89/0xd0 [ 84.605566] tty_set_ldisc+0x2e3/0x690 [ 84.609445] tty_ioctl+0x65e/0x1510 [ 84.613106] ? tty_vhangup+0x30/0x30 [ 84.616810] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.621290] ? proc_cwd_link+0x1d0/0x1d0 [ 84.625346] ? __might_sleep+0x95/0x190 [ 84.629309] ? vfs_write+0x2f0/0x560 [ 84.633009] ? tty_vhangup+0x30/0x30 [ 84.636710] do_vfs_ioctl+0xd5f/0x1380 [ 84.640597] ? selinux_file_ioctl+0x46f/0x5e0 [ 84.645088] ? selinux_file_ioctl+0x125/0x5e0 [ 84.649675] ? ioctl_preallocate+0x210/0x210 [ 84.654070] ? selinux_file_mprotect+0x620/0x620 [ 84.658822] ? __sb_end_write+0xd9/0x110 [ 84.662904] ? vfs_write+0x160/0x560 [ 84.666620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.672146] ? security_file_ioctl+0x8d/0xc0 [ 84.676552] ksys_ioctl+0xab/0xd0 [ 84.680000] __x64_sys_ioctl+0x73/0xb0 [ 84.683880] do_syscall_64+0xfd/0x620 [ 84.687675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.692849] RIP: 0033:0x4412a9 [ 84.696030] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.714919] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.722612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 84.729867] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 84.737158] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 84.744412] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 84.751665] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 84.765828] FAULT_INJECTION: forcing a failure. [ 84.765828] name failslab, interval 1, probability 0, space 0, times 0 [ 84.777095] CPU: 0 PID: 7761 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 84.784875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.794215] Call Trace: [ 84.796801] dump_stack+0x197/0x210 [ 84.800422] should_fail.cold+0xa/0x1b [ 84.804295] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.809399] ? lock_downgrade+0x880/0x880 [ 84.813538] __should_failslab+0x121/0x190 [ 84.817759] should_failslab+0x9/0x14 [ 84.821543] __kmalloc+0x2e2/0x750 [ 84.825072] ? __lockdep_init_map+0x10c/0x5b0 [ 84.829550] ? rcu_read_lock_sched_held+0x110/0x130 [ 84.834552] ? __kfifo_alloc+0x17e/0x2a0 [ 84.838600] __kfifo_alloc+0x17e/0x2a0 [ 84.842482] gsm_dlci_alloc+0xd9/0x410 [ 84.846387] gsm_activate_mux+0x201/0x2a0 [ 84.850523] gsmld_open+0x52a/0x7c0 [ 84.854133] ? gsmld_compat_ioctl+0x40/0x40 [ 84.858441] tty_ldisc_open.isra.0+0x89/0xd0 [ 84.862830] tty_set_ldisc+0x2e3/0x690 [ 84.866702] tty_ioctl+0x65e/0x1510 [ 84.870311] ? tty_vhangup+0x30/0x30 [ 84.874007] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.878485] ? proc_cwd_link+0x1d0/0x1d0 [ 84.882555] ? __might_sleep+0x95/0x190 [ 84.886536] ? vfs_write+0x2f0/0x560 [ 84.890247] ? tty_vhangup+0x30/0x30 [ 84.893951] do_vfs_ioctl+0xd5f/0x1380 [ 84.897828] ? selinux_file_ioctl+0x46f/0x5e0 [ 84.902343] ? selinux_file_ioctl+0x125/0x5e0 [ 84.906848] ? ioctl_preallocate+0x210/0x210 [ 84.911251] ? selinux_file_mprotect+0x620/0x620 [ 84.916048] ? __sb_end_write+0xd9/0x110 [ 84.920097] ? vfs_write+0x160/0x560 [ 84.923848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.929533] ? security_file_ioctl+0x8d/0xc0 [ 84.933931] ksys_ioctl+0xab/0xd0 [ 84.937420] __x64_sys_ioctl+0x73/0xb0 [ 84.941299] do_syscall_64+0xfd/0x620 [ 84.945102] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.950279] RIP: 0033:0x4412a9 [ 84.953468] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.972375] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 84.980069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 84.987322] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 84.994575] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 85.001829] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 85.009081] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 85.022907] FAULT_INJECTION: forcing a failure. [ 85.022907] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.034872] CPU: 1 PID: 7762 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 85.042648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.051991] Call Trace: [ 85.054581] dump_stack+0x197/0x210 [ 85.058311] should_fail.cold+0xa/0x1b [ 85.062186] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.067322] ? __lock_acquire+0x6ee/0x49c0 [ 85.071549] __alloc_pages_nodemask+0x1ee/0x750 [ 85.076222] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.081228] ? trace_hardirqs_on+0x67/0x220 [ 85.085540] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.090633] cache_grow_begin+0x91/0x8c0 [ 85.094695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.100226] ? check_preemption_disabled+0x48/0x290 [ 85.105231] kmem_cache_alloc_trace+0x685/0x760 [ 85.109890] ? lock_downgrade+0x880/0x880 [ 85.114027] gsm_dlci_alloc+0x4b/0x410 [ 85.117913] gsm_activate_mux+0x201/0x2a0 [ 85.122054] gsmld_open+0x52a/0x7c0 [ 85.125667] ? gsmld_compat_ioctl+0x40/0x40 [ 85.129983] tty_ldisc_open.isra.0+0x89/0xd0 [ 85.134395] tty_set_ldisc+0x2e3/0x690 [ 85.138272] tty_ioctl+0x65e/0x1510 [ 85.141884] ? tty_vhangup+0x30/0x30 [ 85.145586] ? proc_fail_nth_write+0x9d/0x1e0 [ 85.150075] ? proc_cwd_link+0x1d0/0x1d0 [ 85.154152] ? __might_sleep+0x95/0x190 [ 85.158124] ? vfs_write+0x2f0/0x560 [ 85.161829] ? tty_vhangup+0x30/0x30 [ 85.165549] do_vfs_ioctl+0xd5f/0x1380 [ 85.169423] ? selinux_file_ioctl+0x46f/0x5e0 [ 85.173918] ? selinux_file_ioctl+0x125/0x5e0 [ 85.178427] ? ioctl_preallocate+0x210/0x210 [ 85.182856] ? selinux_file_mprotect+0x620/0x620 [ 85.187610] ? __sb_end_write+0xd9/0x110 [ 85.191656] ? vfs_write+0x160/0x560 [ 85.195364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.200906] ? security_file_ioctl+0x8d/0xc0 [ 85.205351] ksys_ioctl+0xab/0xd0 [ 85.208808] __x64_sys_ioctl+0x73/0xb0 [ 85.212686] do_syscall_64+0xfd/0x620 [ 85.216499] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.221673] RIP: 0033:0x4412a9 [ 85.224853] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.243745] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.251442] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 85.258703] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 85.265968] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 85.273222] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 85.280473] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 executing program [ 85.751867] FAULT_INJECTION: forcing a failure. [ 85.751867] name failslab, interval 1, probability 0, space 0, times 0 [ 85.766473] CPU: 0 PID: 7776 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 85.774467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.784045] Call Trace: [ 85.786647] dump_stack+0x197/0x210 [ 85.790321] should_fail.cold+0xa/0x1b [ 85.794219] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.799324] ? lock_downgrade+0x880/0x880 [ 85.803471] __should_failslab+0x121/0x190 [ 85.807701] should_failslab+0x9/0x14 [ 85.811520] __kmalloc+0x2e2/0x750 [ 85.815053] ? __lockdep_init_map+0x10c/0x5b0 [ 85.819665] ? rcu_read_lock_sched_held+0x110/0x130 [ 85.824690] ? __kfifo_alloc+0x17e/0x2a0 [ 85.828748] __kfifo_alloc+0x17e/0x2a0 [ 85.832646] gsm_dlci_alloc+0xd9/0x410 [ 85.836539] gsm_activate_mux+0x201/0x2a0 [ 85.840677] gsmld_open+0x52a/0x7c0 [ 85.844351] ? gsmld_compat_ioctl+0x40/0x40 [ 85.848685] tty_ldisc_open.isra.0+0x89/0xd0 [ 85.853098] tty_set_ldisc+0x2e3/0x690 [ 85.856991] tty_ioctl+0x65e/0x1510 [ 85.860607] ? tty_vhangup+0x30/0x30 [ 85.864321] ? proc_fail_nth_write+0x9d/0x1e0 [ 85.868822] ? proc_cwd_link+0x1d0/0x1d0 [ 85.872894] ? __might_sleep+0x95/0x190 [ 85.876865] ? vfs_write+0x2f0/0x560 [ 85.880664] ? tty_vhangup+0x30/0x30 [ 85.884458] do_vfs_ioctl+0xd5f/0x1380 [ 85.888343] ? selinux_file_ioctl+0x46f/0x5e0 [ 85.892937] ? selinux_file_ioctl+0x125/0x5e0 [ 85.897428] ? ioctl_preallocate+0x210/0x210 [ 85.901828] ? selinux_file_mprotect+0x620/0x620 [ 85.906594] ? __sb_end_write+0xd9/0x110 [ 85.910670] ? vfs_write+0x160/0x560 [ 85.914456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.919999] ? security_file_ioctl+0x8d/0xc0 [ 85.924438] ksys_ioctl+0xab/0xd0 [ 85.927895] __x64_sys_ioctl+0x73/0xb0 [ 85.931789] do_syscall_64+0xfd/0x620 [ 85.935584] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.940758] RIP: 0033:0x4412a9 [ 85.943944] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.963975] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.971821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 85.979082] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 85.986339] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 85.993605] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 86.000903] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 86.015876] FAULT_INJECTION: forcing a failure. [ 86.015876] name failslab, interval 1, probability 0, space 0, times 0 [ 86.027178] CPU: 0 PID: 7777 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 86.035023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.044468] Call Trace: [ 86.047117] dump_stack+0x197/0x210 [ 86.050739] should_fail.cold+0xa/0x1b [ 86.054616] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.059706] ? lock_downgrade+0x880/0x880 [ 86.063844] __should_failslab+0x121/0x190 [ 86.068067] should_failslab+0x9/0x14 [ 86.071858] __kmalloc+0x2e2/0x750 [ 86.075409] ? __lockdep_init_map+0x10c/0x5b0 [ 86.079972] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.085133] ? __kfifo_alloc+0x17e/0x2a0 [ 86.089191] __kfifo_alloc+0x17e/0x2a0 [ 86.093080] gsm_dlci_alloc+0xd9/0x410 [ 86.096958] gsm_activate_mux+0x201/0x2a0 [ 86.101099] gsmld_open+0x52a/0x7c0 [ 86.104787] ? gsmld_compat_ioctl+0x40/0x40 [ 86.109099] tty_ldisc_open.isra.0+0x89/0xd0 [ 86.113494] tty_set_ldisc+0x2e3/0x690 [ 86.117394] tty_ioctl+0x65e/0x1510 [ 86.121075] ? tty_vhangup+0x30/0x30 [ 86.124777] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.129266] ? proc_cwd_link+0x1d0/0x1d0 [ 86.133333] ? __might_sleep+0x95/0x190 [ 86.137290] ? vfs_write+0x2f0/0x560 [ 86.140988] ? tty_vhangup+0x30/0x30 [ 86.144691] do_vfs_ioctl+0xd5f/0x1380 [ 86.148569] ? selinux_file_ioctl+0x46f/0x5e0 [ 86.153047] ? selinux_file_ioctl+0x125/0x5e0 [ 86.157528] ? ioctl_preallocate+0x210/0x210 [ 86.161939] ? selinux_file_mprotect+0x620/0x620 [ 86.166691] ? __sb_end_write+0xd9/0x110 [ 86.170736] ? vfs_write+0x160/0x560 [ 86.174458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.179981] ? security_file_ioctl+0x8d/0xc0 [ 86.184375] ksys_ioctl+0xab/0xd0 [ 86.187818] __x64_sys_ioctl+0x73/0xb0 [ 86.191707] do_syscall_64+0xfd/0x620 [ 86.195500] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.200697] RIP: 0033:0x4412a9 [ 86.203885] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.222775] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.230469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 86.237734] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 86.244987] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 86.252259] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 86.259531] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 86.273344] FAULT_INJECTION: forcing a failure. [ 86.273344] name failslab, interval 1, probability 0, space 0, times 0 [ 86.284915] CPU: 1 PID: 7778 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 86.292702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.302160] Call Trace: [ 86.304748] dump_stack+0x197/0x210 [ 86.308366] should_fail.cold+0xa/0x1b [ 86.312303] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.317396] ? lock_downgrade+0x880/0x880 [ 86.321536] __should_failslab+0x121/0x190 [ 86.325774] should_failslab+0x9/0x14 [ 86.329561] __kmalloc+0x2e2/0x750 [ 86.333103] ? __lockdep_init_map+0x10c/0x5b0 [ 86.337587] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.342587] ? __kfifo_alloc+0x17e/0x2a0 [ 86.346652] __kfifo_alloc+0x17e/0x2a0 [ 86.350527] gsm_dlci_alloc+0xd9/0x410 [ 86.354417] gsm_activate_mux+0x201/0x2a0 [ 86.358555] gsmld_open+0x52a/0x7c0 [ 86.362166] ? gsmld_compat_ioctl+0x40/0x40 [ 86.366471] tty_ldisc_open.isra.0+0x89/0xd0 [ 86.370861] tty_set_ldisc+0x2e3/0x690 [ 86.374747] tty_ioctl+0x65e/0x1510 [ 86.378359] ? tty_vhangup+0x30/0x30 [ 86.382072] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.386553] ? proc_cwd_link+0x1d0/0x1d0 [ 86.390675] ? __might_sleep+0x95/0x190 [ 86.394648] ? vfs_write+0x2f0/0x560 [ 86.398436] ? tty_vhangup+0x30/0x30 [ 86.402192] do_vfs_ioctl+0xd5f/0x1380 [ 86.406086] ? selinux_file_ioctl+0x46f/0x5e0 [ 86.410589] ? selinux_file_ioctl+0x125/0x5e0 [ 86.415080] ? ioctl_preallocate+0x210/0x210 [ 86.419472] ? selinux_file_mprotect+0x620/0x620 [ 86.424222] ? __sb_end_write+0xd9/0x110 [ 86.428288] ? vfs_write+0x160/0x560 [ 86.432007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.437535] ? security_file_ioctl+0x8d/0xc0 [ 86.441937] ksys_ioctl+0xab/0xd0 [ 86.445394] __x64_sys_ioctl+0x73/0xb0 [ 86.449278] do_syscall_64+0xfd/0x620 [ 86.453078] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.458302] RIP: 0033:0x4412a9 [ 86.461492] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.480431] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.488141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 86.495465] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 86.502734] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 86.509991] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 86.517245] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 86.531234] FAULT_INJECTION: forcing a failure. [ 86.531234] name failslab, interval 1, probability 0, space 0, times 0 [ 86.542910] CPU: 0 PID: 7779 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 86.550813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.560286] Call Trace: [ 86.562879] dump_stack+0x197/0x210 [ 86.566502] should_fail.cold+0xa/0x1b [ 86.570378] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.575469] ? lock_downgrade+0x880/0x880 [ 86.579616] __should_failslab+0x121/0x190 [ 86.583845] should_failslab+0x9/0x14 [ 86.587640] __kmalloc+0x2e2/0x750 [ 86.591173] ? __lockdep_init_map+0x10c/0x5b0 [ 86.595654] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.600659] ? __kfifo_alloc+0x17e/0x2a0 [ 86.604707] __kfifo_alloc+0x17e/0x2a0 [ 86.608584] gsm_dlci_alloc+0xd9/0x410 [ 86.612456] gsm_activate_mux+0x201/0x2a0 [ 86.616591] gsmld_open+0x52a/0x7c0 [ 86.620202] ? gsmld_compat_ioctl+0x40/0x40 [ 86.624529] tty_ldisc_open.isra.0+0x89/0xd0 [ 86.628923] tty_set_ldisc+0x2e3/0x690 [ 86.632823] tty_ioctl+0x65e/0x1510 [ 86.636434] ? tty_vhangup+0x30/0x30 [ 86.640147] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.644638] ? proc_cwd_link+0x1d0/0x1d0 [ 86.648701] ? __might_sleep+0x95/0x190 [ 86.652662] ? vfs_write+0x2f0/0x560 [ 86.656376] ? tty_vhangup+0x30/0x30 [ 86.660088] do_vfs_ioctl+0xd5f/0x1380 [ 86.664104] ? selinux_file_ioctl+0x46f/0x5e0 [ 86.668596] ? selinux_file_ioctl+0x125/0x5e0 [ 86.673079] ? ioctl_preallocate+0x210/0x210 [ 86.677475] ? selinux_file_mprotect+0x620/0x620 [ 86.682220] ? __sb_end_write+0xd9/0x110 [ 86.686453] ? vfs_write+0x160/0x560 [ 86.690172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.695709] ? security_file_ioctl+0x8d/0xc0 [ 86.700106] ksys_ioctl+0xab/0xd0 [ 86.703571] __x64_sys_ioctl+0x73/0xb0 [ 86.707449] do_syscall_64+0xfd/0x620 [ 86.711346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.716526] RIP: 0033:0x4412a9 [ 86.719721] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.738617] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.746321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 86.753582] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 86.760838] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 86.768091] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 86.775359] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 86.790765] FAULT_INJECTION: forcing a failure. [ 86.790765] name failslab, interval 1, probability 0, space 0, times 0 [ 86.802022] CPU: 0 PID: 7780 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 86.809807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.819149] Call Trace: [ 86.821734] dump_stack+0x197/0x210 [ 86.825353] should_fail.cold+0xa/0x1b [ 86.829233] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.834327] ? lock_downgrade+0x880/0x880 [ 86.838466] __should_failslab+0x121/0x190 [ 86.842731] should_failslab+0x9/0x14 [ 86.846523] __kmalloc+0x2e2/0x750 [ 86.850063] ? __lockdep_init_map+0x10c/0x5b0 [ 86.854542] ? rcu_read_lock_sched_held+0x110/0x130 [ 86.859543] ? __kfifo_alloc+0x17e/0x2a0 [ 86.863586] __kfifo_alloc+0x17e/0x2a0 [ 86.867459] gsm_dlci_alloc+0xd9/0x410 [ 86.871336] gsm_activate_mux+0x201/0x2a0 [ 86.875534] gsmld_open+0x52a/0x7c0 [ 86.879146] ? gsmld_compat_ioctl+0x40/0x40 [ 86.883464] tty_ldisc_open.isra.0+0x89/0xd0 [ 86.887972] tty_set_ldisc+0x2e3/0x690 [ 86.891856] tty_ioctl+0x65e/0x1510 [ 86.895470] ? tty_vhangup+0x30/0x30 [ 86.899169] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.903652] ? proc_cwd_link+0x1d0/0x1d0 [ 86.907719] ? __might_sleep+0x95/0x190 [ 86.911694] ? vfs_write+0x2f0/0x560 [ 86.915402] ? tty_vhangup+0x30/0x30 [ 86.919168] do_vfs_ioctl+0xd5f/0x1380 [ 86.923067] ? selinux_file_ioctl+0x46f/0x5e0 [ 86.927556] ? selinux_file_ioctl+0x125/0x5e0 [ 86.932054] ? ioctl_preallocate+0x210/0x210 [ 86.936452] ? selinux_file_mprotect+0x620/0x620 [ 86.941199] ? __sb_end_write+0xd9/0x110 [ 86.945246] ? vfs_write+0x160/0x560 [ 86.948958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.954484] ? security_file_ioctl+0x8d/0xc0 [ 86.959006] ksys_ioctl+0xab/0xd0 [ 86.962460] __x64_sys_ioctl+0x73/0xb0 [ 86.966354] do_syscall_64+0xfd/0x620 [ 86.970147] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.975325] RIP: 0033:0x4412a9 [ 86.978522] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.997426] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 87.005142] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 87.012397] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 87.019652] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 87.026913] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.034216] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 87.048133] FAULT_INJECTION: forcing a failure. [ 87.048133] name failslab, interval 1, probability 0, space 0, times 0 [ 87.059380] CPU: 0 PID: 7781 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 87.067334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.076679] Call Trace: [ 87.079259] dump_stack+0x197/0x210 [ 87.082944] should_fail.cold+0xa/0x1b [ 87.086867] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.091961] ? lock_downgrade+0x880/0x880 [ 87.096106] __should_failslab+0x121/0x190 [ 87.100374] should_failslab+0x9/0x14 [ 87.104170] __kmalloc+0x2e2/0x750 [ 87.107709] ? __lockdep_init_map+0x10c/0x5b0 [ 87.112191] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.117195] ? __kfifo_alloc+0x17e/0x2a0 [ 87.121246] __kfifo_alloc+0x17e/0x2a0 [ 87.125134] gsm_dlci_alloc+0xd9/0x410 [ 87.129014] gsm_activate_mux+0x201/0x2a0 [ 87.133148] gsmld_open+0x52a/0x7c0 [ 87.136841] ? gsmld_compat_ioctl+0x40/0x40 [ 87.141151] tty_ldisc_open.isra.0+0x89/0xd0 [ 87.145623] tty_set_ldisc+0x2e3/0x690 [ 87.149500] tty_ioctl+0x65e/0x1510 [ 87.153156] ? tty_vhangup+0x30/0x30 [ 87.156854] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.161340] ? proc_cwd_link+0x1d0/0x1d0 [ 87.165399] ? __might_sleep+0x95/0x190 [ 87.169356] ? vfs_write+0x2f0/0x560 [ 87.173051] ? tty_vhangup+0x30/0x30 [ 87.176750] do_vfs_ioctl+0xd5f/0x1380 [ 87.180662] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.185140] ? selinux_file_ioctl+0x125/0x5e0 [ 87.189621] ? ioctl_preallocate+0x210/0x210 [ 87.194012] ? selinux_file_mprotect+0x620/0x620 [ 87.198763] ? __sb_end_write+0xd9/0x110 [ 87.202820] ? vfs_write+0x160/0x560 [ 87.206529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.212064] ? security_file_ioctl+0x8d/0xc0 [ 87.216467] ksys_ioctl+0xab/0xd0 [ 87.219911] __x64_sys_ioctl+0x73/0xb0 [ 87.223876] do_syscall_64+0xfd/0x620 [ 87.227671] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.232866] RIP: 0033:0x4412a9 [ 87.236052] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 87.254989] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.262684] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 87.269938] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 87.277198] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 87.284464] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.291715] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 87.305841] FAULT_INJECTION: forcing a failure. [ 87.305841] name failslab, interval 1, probability 0, space 0, times 0 [ 87.317175] CPU: 1 PID: 7782 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 87.324969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.334308] Call Trace: [ 87.336893] dump_stack+0x197/0x210 [ 87.340514] should_fail.cold+0xa/0x1b [ 87.344390] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.349479] ? lock_downgrade+0x880/0x880 [ 87.353614] __should_failslab+0x121/0x190 [ 87.357837] should_failslab+0x9/0x14 [ 87.361634] __kmalloc+0x2e2/0x750 [ 87.365167] ? __lockdep_init_map+0x10c/0x5b0 [ 87.369643] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.374643] ? __kfifo_alloc+0x17e/0x2a0 [ 87.378702] __kfifo_alloc+0x17e/0x2a0 [ 87.382578] gsm_dlci_alloc+0xd9/0x410 [ 87.386449] gsm_activate_mux+0x201/0x2a0 [ 87.390596] gsmld_open+0x52a/0x7c0 [ 87.394211] ? gsmld_compat_ioctl+0x40/0x40 [ 87.398531] tty_ldisc_open.isra.0+0x89/0xd0 [ 87.402928] tty_set_ldisc+0x2e3/0x690 [ 87.406813] tty_ioctl+0x65e/0x1510 [ 87.410425] ? tty_vhangup+0x30/0x30 [ 87.414125] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.418621] ? proc_cwd_link+0x1d0/0x1d0 [ 87.422687] ? __might_sleep+0x95/0x190 [ 87.426645] ? vfs_write+0x2f0/0x560 [ 87.430342] ? tty_vhangup+0x30/0x30 [ 87.434046] do_vfs_ioctl+0xd5f/0x1380 [ 87.437924] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.442415] ? selinux_file_ioctl+0x125/0x5e0 [ 87.446964] ? ioctl_preallocate+0x210/0x210 [ 87.451375] ? selinux_file_mprotect+0x620/0x620 [ 87.456124] ? __sb_end_write+0xd9/0x110 [ 87.460172] ? vfs_write+0x160/0x560 [ 87.463888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.469458] ? security_file_ioctl+0x8d/0xc0 [ 87.473857] ksys_ioctl+0xab/0xd0 [ 87.477411] __x64_sys_ioctl+0x73/0xb0 [ 87.481291] do_syscall_64+0xfd/0x620 [ 87.485082] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.490258] RIP: 0033:0x4412a9 executing program [ 87.493436] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.512341] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.520035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 87.527289] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 87.534543] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 87.541798] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.549053] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 87.563002] FAULT_INJECTION: forcing a failure. [ 87.563002] name failslab, interval 1, probability 0, space 0, times 0 [ 87.574888] CPU: 0 PID: 7783 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 87.582674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.592012] Call Trace: [ 87.594619] dump_stack+0x197/0x210 [ 87.598250] should_fail.cold+0xa/0x1b [ 87.602132] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.607340] ? lock_downgrade+0x880/0x880 [ 87.611485] __should_failslab+0x121/0x190 [ 87.615757] should_failslab+0x9/0x14 [ 87.619549] __kmalloc+0x2e2/0x750 [ 87.623097] ? __lockdep_init_map+0x10c/0x5b0 [ 87.627585] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.632593] ? __kfifo_alloc+0x17e/0x2a0 [ 87.636645] __kfifo_alloc+0x17e/0x2a0 [ 87.640530] gsm_dlci_alloc+0xd9/0x410 [ 87.644408] gsm_activate_mux+0x201/0x2a0 [ 87.648543] gsmld_open+0x52a/0x7c0 [ 87.652171] ? gsmld_compat_ioctl+0x40/0x40 [ 87.656486] tty_ldisc_open.isra.0+0x89/0xd0 [ 87.660894] tty_set_ldisc+0x2e3/0x690 [ 87.664781] tty_ioctl+0x65e/0x1510 [ 87.668397] ? tty_vhangup+0x30/0x30 [ 87.672097] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.676718] ? proc_cwd_link+0x1d0/0x1d0 [ 87.680791] ? __might_sleep+0x95/0x190 [ 87.684763] ? vfs_write+0x2f0/0x560 [ 87.688528] ? tty_vhangup+0x30/0x30 [ 87.692239] do_vfs_ioctl+0xd5f/0x1380 [ 87.696156] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.700645] ? selinux_file_ioctl+0x125/0x5e0 [ 87.705134] ? ioctl_preallocate+0x210/0x210 [ 87.709571] ? selinux_file_mprotect+0x620/0x620 [ 87.714322] ? __sb_end_write+0xd9/0x110 [ 87.718370] ? vfs_write+0x160/0x560 [ 87.722077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.727604] ? security_file_ioctl+0x8d/0xc0 [ 87.732005] ksys_ioctl+0xab/0xd0 [ 87.735450] __x64_sys_ioctl+0x73/0xb0 [ 87.739330] do_syscall_64+0xfd/0x620 [ 87.743118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.748292] RIP: 0033:0x4412a9 executing program [ 87.751470] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.770355] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.778052] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 87.785305] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 87.792558] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 87.799812] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 87.807067] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 87.820861] FAULT_INJECTION: forcing a failure. [ 87.820861] name failslab, interval 1, probability 0, space 0, times 0 [ 87.832219] CPU: 1 PID: 7784 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 87.839999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.849332] Call Trace: [ 87.851907] dump_stack+0x197/0x210 [ 87.855538] should_fail.cold+0xa/0x1b [ 87.859410] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.864509] ? lock_downgrade+0x880/0x880 [ 87.868648] __should_failslab+0x121/0x190 [ 87.872870] should_failslab+0x9/0x14 [ 87.876654] __kmalloc+0x2e2/0x750 [ 87.880187] ? __lockdep_init_map+0x10c/0x5b0 [ 87.884670] ? rcu_read_lock_sched_held+0x110/0x130 [ 87.889673] ? __kfifo_alloc+0x17e/0x2a0 [ 87.893722] __kfifo_alloc+0x17e/0x2a0 [ 87.897611] gsm_dlci_alloc+0xd9/0x410 [ 87.901485] gsm_activate_mux+0x201/0x2a0 [ 87.905617] gsmld_open+0x52a/0x7c0 [ 87.909241] ? gsmld_compat_ioctl+0x40/0x40 [ 87.913547] tty_ldisc_open.isra.0+0x89/0xd0 [ 87.917939] tty_set_ldisc+0x2e3/0x690 [ 87.921812] tty_ioctl+0x65e/0x1510 [ 87.925423] ? tty_vhangup+0x30/0x30 [ 87.929124] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.933603] ? proc_cwd_link+0x1d0/0x1d0 [ 87.937672] ? __might_sleep+0x95/0x190 [ 87.941636] ? vfs_write+0x2f0/0x560 [ 87.945330] ? tty_vhangup+0x30/0x30 [ 87.949030] do_vfs_ioctl+0xd5f/0x1380 [ 87.952907] ? selinux_file_ioctl+0x46f/0x5e0 [ 87.957386] ? selinux_file_ioctl+0x125/0x5e0 [ 87.961868] ? ioctl_preallocate+0x210/0x210 [ 87.966261] ? selinux_file_mprotect+0x620/0x620 [ 87.971012] ? __sb_end_write+0xd9/0x110 [ 87.975073] ? vfs_write+0x160/0x560 [ 87.978781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.984315] ? security_file_ioctl+0x8d/0xc0 [ 87.988707] ksys_ioctl+0xab/0xd0 [ 87.992153] __x64_sys_ioctl+0x73/0xb0 [ 87.996043] do_syscall_64+0xfd/0x620 [ 87.999831] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.005006] RIP: 0033:0x4412a9 executing program [ 88.008191] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.027082] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.034774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 88.042058] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 88.049311] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 88.056718] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 88.063977] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 88.078536] FAULT_INJECTION: forcing a failure. [ 88.078536] name failslab, interval 1, probability 0, space 0, times 0 [ 88.089926] CPU: 1 PID: 7785 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 88.097715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.107070] Call Trace: [ 88.109663] dump_stack+0x197/0x210 [ 88.113293] should_fail.cold+0xa/0x1b [ 88.117216] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.122319] ? lock_downgrade+0x880/0x880 [ 88.126508] __should_failslab+0x121/0x190 [ 88.130777] should_failslab+0x9/0x14 [ 88.134609] __kmalloc+0x2e2/0x750 [ 88.138146] ? __lockdep_init_map+0x10c/0x5b0 [ 88.142633] ? rcu_read_lock_sched_held+0x110/0x130 [ 88.147634] ? __kfifo_alloc+0x17e/0x2a0 [ 88.151679] __kfifo_alloc+0x17e/0x2a0 [ 88.155562] gsm_dlci_alloc+0xd9/0x410 [ 88.159451] gsm_activate_mux+0x201/0x2a0 [ 88.163587] gsmld_open+0x52a/0x7c0 [ 88.167199] ? gsmld_compat_ioctl+0x40/0x40 [ 88.171619] tty_ldisc_open.isra.0+0x89/0xd0 [ 88.176031] tty_set_ldisc+0x2e3/0x690 [ 88.179913] tty_ioctl+0x65e/0x1510 [ 88.183534] ? tty_vhangup+0x30/0x30 [ 88.187242] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.191728] ? proc_cwd_link+0x1d0/0x1d0 [ 88.195853] ? __might_sleep+0x95/0x190 [ 88.199827] ? vfs_write+0x2f0/0x560 [ 88.203529] ? tty_vhangup+0x30/0x30 [ 88.207237] do_vfs_ioctl+0xd5f/0x1380 [ 88.211114] ? selinux_file_ioctl+0x46f/0x5e0 [ 88.215595] ? selinux_file_ioctl+0x125/0x5e0 [ 88.220095] ? ioctl_preallocate+0x210/0x210 [ 88.224515] ? selinux_file_mprotect+0x620/0x620 [ 88.229271] ? __sb_end_write+0xd9/0x110 [ 88.233322] ? vfs_write+0x160/0x560 [ 88.237032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.242576] ? security_file_ioctl+0x8d/0xc0 [ 88.247124] ksys_ioctl+0xab/0xd0 [ 88.250593] __x64_sys_ioctl+0x73/0xb0 [ 88.254472] do_syscall_64+0xfd/0x620 [ 88.258315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.263496] RIP: 0033:0x4412a9 executing program [ 88.266678] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.285567] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.293262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 88.300517] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 88.307783] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 88.315049] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 88.322301] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 88.336788] FAULT_INJECTION: forcing a failure. [ 88.336788] name failslab, interval 1, probability 0, space 0, times 0 [ 88.348286] CPU: 0 PID: 7786 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 88.356272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.365618] Call Trace: [ 88.368208] dump_stack+0x197/0x210 [ 88.371827] should_fail.cold+0xa/0x1b [ 88.375708] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.380801] ? lock_downgrade+0x880/0x880 [ 88.385002] __should_failslab+0x121/0x190 [ 88.389227] should_failslab+0x9/0x14 [ 88.393015] __kmalloc+0x2e2/0x750 [ 88.396545] ? __lockdep_init_map+0x10c/0x5b0 [ 88.401101] ? rcu_read_lock_sched_held+0x110/0x130 [ 88.406106] ? __kfifo_alloc+0x17e/0x2a0 [ 88.410155] __kfifo_alloc+0x17e/0x2a0 [ 88.414034] gsm_dlci_alloc+0xd9/0x410 [ 88.417908] gsm_activate_mux+0x201/0x2a0 [ 88.422040] gsmld_open+0x52a/0x7c0 [ 88.425652] ? gsmld_compat_ioctl+0x40/0x40 [ 88.429960] tty_ldisc_open.isra.0+0x89/0xd0 [ 88.434359] tty_set_ldisc+0x2e3/0x690 [ 88.438237] tty_ioctl+0x65e/0x1510 [ 88.441865] ? tty_vhangup+0x30/0x30 [ 88.445566] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.450045] ? proc_cwd_link+0x1d0/0x1d0 [ 88.454118] ? __might_sleep+0x95/0x190 [ 88.458104] ? vfs_write+0x2f0/0x560 [ 88.461823] ? tty_vhangup+0x30/0x30 [ 88.465525] do_vfs_ioctl+0xd5f/0x1380 [ 88.469418] ? selinux_file_ioctl+0x46f/0x5e0 [ 88.473907] ? selinux_file_ioctl+0x125/0x5e0 [ 88.478401] ? ioctl_preallocate+0x210/0x210 [ 88.482842] ? selinux_file_mprotect+0x620/0x620 [ 88.487840] ? __sb_end_write+0xd9/0x110 [ 88.491889] ? vfs_write+0x160/0x560 [ 88.495598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.501149] ? security_file_ioctl+0x8d/0xc0 [ 88.505561] ksys_ioctl+0xab/0xd0 [ 88.509018] __x64_sys_ioctl+0x73/0xb0 [ 88.512914] do_syscall_64+0xfd/0x620 [ 88.516720] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.521907] RIP: 0033:0x4412a9 executing program [ 88.525092] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.543984] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.551797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 88.559067] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 88.566332] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 88.573588] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 88.580955] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 88.595139] FAULT_INJECTION: forcing a failure. [ 88.595139] name failslab, interval 1, probability 0, space 0, times 0 [ 88.606563] CPU: 1 PID: 7787 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 88.614395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.623739] Call Trace: [ 88.626328] dump_stack+0x197/0x210 [ 88.629949] should_fail.cold+0xa/0x1b [ 88.633827] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.638922] ? lock_downgrade+0x880/0x880 [ 88.643066] __should_failslab+0x121/0x190 [ 88.647304] should_failslab+0x9/0x14 [ 88.651118] __kmalloc+0x2e2/0x750 [ 88.654664] ? __lockdep_init_map+0x10c/0x5b0 [ 88.659150] ? rcu_read_lock_sched_held+0x110/0x130 [ 88.664239] ? __kfifo_alloc+0x17e/0x2a0 [ 88.668300] __kfifo_alloc+0x17e/0x2a0 [ 88.672180] gsm_dlci_alloc+0xd9/0x410 [ 88.676067] gsm_activate_mux+0x201/0x2a0 [ 88.680235] gsmld_open+0x52a/0x7c0 [ 88.683851] ? gsmld_compat_ioctl+0x40/0x40 [ 88.688159] tty_ldisc_open.isra.0+0x89/0xd0 [ 88.692553] tty_set_ldisc+0x2e3/0x690 [ 88.696454] tty_ioctl+0x65e/0x1510 [ 88.700067] ? tty_vhangup+0x30/0x30 [ 88.703767] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.708256] ? proc_cwd_link+0x1d0/0x1d0 [ 88.712325] ? __might_sleep+0x95/0x190 [ 88.716302] ? vfs_write+0x2f0/0x560 [ 88.720009] ? tty_vhangup+0x30/0x30 [ 88.723711] do_vfs_ioctl+0xd5f/0x1380 [ 88.727592] ? selinux_file_ioctl+0x46f/0x5e0 [ 88.732070] ? selinux_file_ioctl+0x125/0x5e0 [ 88.736550] ? ioctl_preallocate+0x210/0x210 [ 88.740942] ? selinux_file_mprotect+0x620/0x620 [ 88.745687] ? __sb_end_write+0xd9/0x110 [ 88.749734] ? vfs_write+0x160/0x560 [ 88.753437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.758964] ? security_file_ioctl+0x8d/0xc0 [ 88.763366] ksys_ioctl+0xab/0xd0 [ 88.766810] __x64_sys_ioctl+0x73/0xb0 [ 88.770690] do_syscall_64+0xfd/0x620 [ 88.774480] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.779654] RIP: 0033:0x4412a9 executing program [ 88.782831] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.801813] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.809509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 88.816763] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 88.824102] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 88.831365] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 88.838621] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 88.880594] FAULT_INJECTION: forcing a failure. [ 88.880594] name failslab, interval 1, probability 0, space 0, times 0 [ 88.893175] CPU: 0 PID: 7788 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 88.901087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.910554] Call Trace: [ 88.913138] dump_stack+0x197/0x210 [ 88.916767] should_fail.cold+0xa/0x1b [ 88.920700] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.925807] ? lock_downgrade+0x880/0x880 [ 88.929946] __should_failslab+0x121/0x190 [ 88.934176] should_failslab+0x9/0x14 [ 88.937973] __kmalloc+0x2e2/0x750 [ 88.941501] ? __lockdep_init_map+0x10c/0x5b0 [ 88.945981] ? rcu_read_lock_sched_held+0x110/0x130 [ 88.950985] ? __kfifo_alloc+0x17e/0x2a0 [ 88.955052] __kfifo_alloc+0x17e/0x2a0 [ 88.958938] gsm_dlci_alloc+0xd9/0x410 [ 88.962812] gsm_activate_mux+0x201/0x2a0 [ 88.966966] gsmld_open+0x52a/0x7c0 [ 88.970582] ? gsmld_compat_ioctl+0x40/0x40 [ 88.974886] tty_ldisc_open.isra.0+0x89/0xd0 [ 88.979290] tty_set_ldisc+0x2e3/0x690 [ 88.983169] tty_ioctl+0x65e/0x1510 [ 88.986782] ? tty_vhangup+0x30/0x30 [ 88.990498] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.994979] ? proc_cwd_link+0x1d0/0x1d0 [ 88.999036] ? __might_sleep+0x95/0x190 [ 89.002997] ? vfs_write+0x2f0/0x560 [ 89.006706] ? tty_vhangup+0x30/0x30 [ 89.010430] do_vfs_ioctl+0xd5f/0x1380 [ 89.014303] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.018783] ? selinux_file_ioctl+0x125/0x5e0 [ 89.023267] ? ioctl_preallocate+0x210/0x210 [ 89.027658] ? selinux_file_mprotect+0x620/0x620 [ 89.032399] ? __sb_end_write+0xd9/0x110 [ 89.036454] ? vfs_write+0x160/0x560 [ 89.040159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.045684] ? security_file_ioctl+0x8d/0xc0 [ 89.050080] ksys_ioctl+0xab/0xd0 [ 89.053521] __x64_sys_ioctl+0x73/0xb0 [ 89.057411] do_syscall_64+0xfd/0x620 [ 89.061202] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.066377] RIP: 0033:0x4412a9 [ 89.069555] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.089137] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.096830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 89.104092] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 89.111355] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 89.118610] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 89.125863] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 89.141033] FAULT_INJECTION: forcing a failure. [ 89.141033] name failslab, interval 1, probability 0, space 0, times 0 [ 89.152343] CPU: 0 PID: 7789 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 89.160132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.169486] Call Trace: [ 89.172120] dump_stack+0x197/0x210 [ 89.175741] should_fail.cold+0xa/0x1b [ 89.179629] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.184729] ? lock_downgrade+0x880/0x880 [ 89.188872] __should_failslab+0x121/0x190 [ 89.193097] should_failslab+0x9/0x14 [ 89.196885] __kmalloc+0x2e2/0x750 [ 89.200436] ? __lockdep_init_map+0x10c/0x5b0 [ 89.204951] ? rcu_read_lock_sched_held+0x110/0x130 [ 89.210013] ? __kfifo_alloc+0x17e/0x2a0 [ 89.214067] __kfifo_alloc+0x17e/0x2a0 [ 89.217957] gsm_dlci_alloc+0xd9/0x410 [ 89.221832] gsm_activate_mux+0x201/0x2a0 [ 89.225967] gsmld_open+0x52a/0x7c0 [ 89.229582] ? gsmld_compat_ioctl+0x40/0x40 [ 89.233890] tty_ldisc_open.isra.0+0x89/0xd0 [ 89.238290] tty_set_ldisc+0x2e3/0x690 [ 89.242227] tty_ioctl+0x65e/0x1510 [ 89.245842] ? tty_vhangup+0x30/0x30 [ 89.249543] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.254023] ? proc_cwd_link+0x1d0/0x1d0 [ 89.258083] ? __might_sleep+0x95/0x190 [ 89.262045] ? vfs_write+0x2f0/0x560 [ 89.265747] ? tty_vhangup+0x30/0x30 [ 89.269447] do_vfs_ioctl+0xd5f/0x1380 [ 89.273325] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.277807] ? selinux_file_ioctl+0x125/0x5e0 [ 89.282288] ? ioctl_preallocate+0x210/0x210 [ 89.286684] ? selinux_file_mprotect+0x620/0x620 [ 89.291428] ? __sb_end_write+0xd9/0x110 [ 89.295476] ? vfs_write+0x160/0x560 [ 89.299222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.304751] ? security_file_ioctl+0x8d/0xc0 [ 89.309150] ksys_ioctl+0xab/0xd0 [ 89.312592] __x64_sys_ioctl+0x73/0xb0 [ 89.316479] do_syscall_64+0xfd/0x620 [ 89.320268] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.325441] RIP: 0033:0x4412a9 [ 89.328619] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.347506] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.355224] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 89.363265] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 89.370531] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 89.377795] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 89.385049] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 89.400108] FAULT_INJECTION: forcing a failure. [ 89.400108] name failslab, interval 1, probability 0, space 0, times 0 [ 89.411364] CPU: 0 PID: 7790 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 89.419143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.428488] Call Trace: [ 89.431079] dump_stack+0x197/0x210 [ 89.434706] should_fail.cold+0xa/0x1b [ 89.438581] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.443676] ? lock_downgrade+0x880/0x880 [ 89.447815] __should_failslab+0x121/0x190 [ 89.452037] should_failslab+0x9/0x14 [ 89.455823] __kmalloc+0x2e2/0x750 [ 89.459353] ? __lockdep_init_map+0x10c/0x5b0 [ 89.463834] ? rcu_read_lock_sched_held+0x110/0x130 [ 89.468837] ? __kfifo_alloc+0x17e/0x2a0 [ 89.472903] __kfifo_alloc+0x17e/0x2a0 [ 89.476792] gsm_dlci_alloc+0xd9/0x410 [ 89.480683] gsm_activate_mux+0x201/0x2a0 [ 89.484823] gsmld_open+0x52a/0x7c0 [ 89.488445] ? gsmld_compat_ioctl+0x40/0x40 [ 89.492778] tty_ldisc_open.isra.0+0x89/0xd0 [ 89.497179] tty_set_ldisc+0x2e3/0x690 [ 89.501057] tty_ioctl+0x65e/0x1510 [ 89.504674] ? tty_vhangup+0x30/0x30 [ 89.508379] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.512862] ? proc_cwd_link+0x1d0/0x1d0 [ 89.516935] ? __might_sleep+0x95/0x190 [ 89.520911] ? vfs_write+0x2f0/0x560 [ 89.524608] ? tty_vhangup+0x30/0x30 [ 89.528318] do_vfs_ioctl+0xd5f/0x1380 [ 89.532196] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.536680] ? selinux_file_ioctl+0x125/0x5e0 [ 89.541169] ? ioctl_preallocate+0x210/0x210 [ 89.545701] ? selinux_file_mprotect+0x620/0x620 [ 89.550451] ? __sb_end_write+0xd9/0x110 [ 89.554497] ? vfs_write+0x160/0x560 [ 89.558201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.563724] ? security_file_ioctl+0x8d/0xc0 [ 89.568137] ksys_ioctl+0xab/0xd0 [ 89.571581] __x64_sys_ioctl+0x73/0xb0 [ 89.575458] do_syscall_64+0xfd/0x620 [ 89.579248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.584425] RIP: 0033:0x4412a9 [ 89.587605] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.606587] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.614295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 89.621549] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 89.628802] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 89.636072] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 89.643347] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 89.658202] FAULT_INJECTION: forcing a failure. [ 89.658202] name failslab, interval 1, probability 0, space 0, times 0 [ 89.669454] CPU: 0 PID: 7791 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 89.677234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.686589] Call Trace: [ 89.689195] dump_stack+0x197/0x210 [ 89.692813] should_fail.cold+0xa/0x1b [ 89.696688] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.701778] ? lock_downgrade+0x880/0x880 [ 89.705915] __should_failslab+0x121/0x190 [ 89.710140] should_failslab+0x9/0x14 [ 89.713926] __kmalloc+0x2e2/0x750 [ 89.717457] ? __lockdep_init_map+0x10c/0x5b0 [ 89.721951] ? rcu_read_lock_sched_held+0x110/0x130 [ 89.726962] ? __kfifo_alloc+0x17e/0x2a0 [ 89.731009] __kfifo_alloc+0x17e/0x2a0 [ 89.734887] gsm_dlci_alloc+0xd9/0x410 [ 89.738759] gsm_activate_mux+0x201/0x2a0 [ 89.742891] gsmld_open+0x52a/0x7c0 [ 89.746507] ? gsmld_compat_ioctl+0x40/0x40 [ 89.750817] tty_ldisc_open.isra.0+0x89/0xd0 [ 89.755350] tty_set_ldisc+0x2e3/0x690 [ 89.759234] tty_ioctl+0x65e/0x1510 [ 89.762851] ? tty_vhangup+0x30/0x30 [ 89.766552] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.771043] ? proc_cwd_link+0x1d0/0x1d0 [ 89.775109] ? __might_sleep+0x95/0x190 [ 89.779083] ? vfs_write+0x2f0/0x560 [ 89.782806] ? tty_vhangup+0x30/0x30 [ 89.786506] do_vfs_ioctl+0xd5f/0x1380 [ 89.790845] ? selinux_file_ioctl+0x46f/0x5e0 [ 89.795324] ? selinux_file_ioctl+0x125/0x5e0 [ 89.799824] ? ioctl_preallocate+0x210/0x210 [ 89.804219] ? selinux_file_mprotect+0x620/0x620 [ 89.808962] ? __sb_end_write+0xd9/0x110 [ 89.813008] ? vfs_write+0x160/0x560 [ 89.816711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.822231] ? security_file_ioctl+0x8d/0xc0 [ 89.826626] ksys_ioctl+0xab/0xd0 [ 89.830066] __x64_sys_ioctl+0x73/0xb0 [ 89.833953] do_syscall_64+0xfd/0x620 [ 89.837749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.842921] RIP: 0033:0x4412a9 [ 89.846102] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.864984] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.872676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 89.879928] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 89.887178] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 89.894432] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 89.901684] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 89.915874] FAULT_INJECTION: forcing a failure. [ 89.915874] name failslab, interval 1, probability 0, space 0, times 0 [ 89.927156] CPU: 1 PID: 7792 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 89.934961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.944303] Call Trace: [ 89.946884] dump_stack+0x197/0x210 [ 89.950507] should_fail.cold+0xa/0x1b [ 89.954385] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.959478] ? lock_downgrade+0x880/0x880 [ 89.963623] __should_failslab+0x121/0x190 [ 89.967847] should_failslab+0x9/0x14 [ 89.971636] __kmalloc+0x2e2/0x750 [ 89.975166] ? __lockdep_init_map+0x10c/0x5b0 [ 89.979649] ? rcu_read_lock_sched_held+0x110/0x130 [ 89.984649] ? __kfifo_alloc+0x17e/0x2a0 [ 89.988696] __kfifo_alloc+0x17e/0x2a0 [ 89.992578] gsm_dlci_alloc+0xd9/0x410 [ 89.996477] gsm_activate_mux+0x201/0x2a0 [ 90.000629] gsmld_open+0x52a/0x7c0 [ 90.004261] ? gsmld_compat_ioctl+0x40/0x40 [ 90.008583] tty_ldisc_open.isra.0+0x89/0xd0 [ 90.013030] tty_set_ldisc+0x2e3/0x690 [ 90.016905] tty_ioctl+0x65e/0x1510 [ 90.020525] ? tty_vhangup+0x30/0x30 [ 90.024279] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.028759] ? proc_cwd_link+0x1d0/0x1d0 [ 90.032819] ? __might_sleep+0x95/0x190 [ 90.036789] ? vfs_write+0x2f0/0x560 [ 90.040493] ? tty_vhangup+0x30/0x30 [ 90.044195] do_vfs_ioctl+0xd5f/0x1380 [ 90.048078] ? selinux_file_ioctl+0x46f/0x5e0 [ 90.052558] ? selinux_file_ioctl+0x125/0x5e0 [ 90.057040] ? ioctl_preallocate+0x210/0x210 [ 90.061436] ? selinux_file_mprotect+0x620/0x620 [ 90.066207] ? __sb_end_write+0xd9/0x110 [ 90.070265] ? vfs_write+0x160/0x560 [ 90.073989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.079518] ? security_file_ioctl+0x8d/0xc0 [ 90.083923] ksys_ioctl+0xab/0xd0 [ 90.087381] __x64_sys_ioctl+0x73/0xb0 [ 90.091267] do_syscall_64+0xfd/0x620 [ 90.095105] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.100283] RIP: 0033:0x4412a9 [ 90.103462] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.122522] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 90.130216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 90.137472] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 90.144726] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 90.151991] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 90.159252] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 90.173171] FAULT_INJECTION: forcing a failure. [ 90.173171] name failslab, interval 1, probability 0, space 0, times 0 [ 90.185036] CPU: 0 PID: 7793 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 90.192820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.202698] Call Trace: [ 90.205307] dump_stack+0x197/0x210 [ 90.208943] should_fail.cold+0xa/0x1b [ 90.212829] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.217923] ? lock_downgrade+0x880/0x880 [ 90.222068] __should_failslab+0x121/0x190 [ 90.226289] should_failslab+0x9/0x14 [ 90.230075] __kmalloc+0x2e2/0x750 [ 90.233601] ? __lockdep_init_map+0x10c/0x5b0 [ 90.238084] ? rcu_read_lock_sched_held+0x110/0x130 [ 90.243090] ? __kfifo_alloc+0x17e/0x2a0 [ 90.247139] __kfifo_alloc+0x17e/0x2a0 [ 90.251017] gsm_dlci_alloc+0xd9/0x410 [ 90.254906] gsm_activate_mux+0x201/0x2a0 [ 90.259050] gsmld_open+0x52a/0x7c0 [ 90.262662] ? gsmld_compat_ioctl+0x40/0x40 [ 90.266978] tty_ldisc_open.isra.0+0x89/0xd0 [ 90.271386] tty_set_ldisc+0x2e3/0x690 [ 90.275263] tty_ioctl+0x65e/0x1510 [ 90.278886] ? tty_vhangup+0x30/0x30 [ 90.282585] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.287068] ? proc_cwd_link+0x1d0/0x1d0 [ 90.291128] ? __might_sleep+0x95/0x190 [ 90.295089] ? vfs_write+0x2f0/0x560 [ 90.298787] ? tty_vhangup+0x30/0x30 [ 90.302485] do_vfs_ioctl+0xd5f/0x1380 [ 90.306361] ? selinux_file_ioctl+0x46f/0x5e0 [ 90.310845] ? selinux_file_ioctl+0x125/0x5e0 [ 90.315325] ? ioctl_preallocate+0x210/0x210 [ 90.319719] ? selinux_file_mprotect+0x620/0x620 [ 90.324462] ? __sb_end_write+0xd9/0x110 [ 90.328505] ? vfs_write+0x160/0x560 [ 90.332208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.337727] ? security_file_ioctl+0x8d/0xc0 [ 90.342140] ksys_ioctl+0xab/0xd0 [ 90.345579] __x64_sys_ioctl+0x73/0xb0 [ 90.349454] do_syscall_64+0xfd/0x620 [ 90.353244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.358416] RIP: 0033:0x4412a9 [ 90.361593] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 90.380477] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.388168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 90.395423] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 90.402689] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 90.409951] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 90.417215] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 90.431048] FAULT_INJECTION: forcing a failure. [ 90.431048] name failslab, interval 1, probability 0, space 0, times 0 [ 90.442391] CPU: 1 PID: 7794 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 90.450172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.459509] Call Trace: [ 90.462111] dump_stack+0x197/0x210 [ 90.465727] should_fail.cold+0xa/0x1b [ 90.469606] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.474710] ? lock_downgrade+0x880/0x880 [ 90.478848] __should_failslab+0x121/0x190 [ 90.483068] should_failslab+0x9/0x14 [ 90.486850] __kmalloc+0x2e2/0x750 [ 90.490378] ? __lockdep_init_map+0x10c/0x5b0 [ 90.494886] ? rcu_read_lock_sched_held+0x110/0x130 [ 90.499890] ? __kfifo_alloc+0x17e/0x2a0 [ 90.503952] __kfifo_alloc+0x17e/0x2a0 [ 90.507830] gsm_dlci_alloc+0xd9/0x410 [ 90.511721] gsm_activate_mux+0x201/0x2a0 [ 90.515852] gsmld_open+0x52a/0x7c0 [ 90.519461] ? gsmld_compat_ioctl+0x40/0x40 [ 90.523766] tty_ldisc_open.isra.0+0x89/0xd0 [ 90.528157] tty_set_ldisc+0x2e3/0x690 [ 90.532042] tty_ioctl+0x65e/0x1510 [ 90.535655] ? tty_vhangup+0x30/0x30 [ 90.539354] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.543833] ? proc_cwd_link+0x1d0/0x1d0 [ 90.547894] ? __might_sleep+0x95/0x190 [ 90.551861] ? vfs_write+0x2f0/0x560 [ 90.555571] ? tty_vhangup+0x30/0x30 [ 90.559274] do_vfs_ioctl+0xd5f/0x1380 [ 90.563153] ? selinux_file_ioctl+0x46f/0x5e0 [ 90.567635] ? selinux_file_ioctl+0x125/0x5e0 [ 90.572115] ? ioctl_preallocate+0x210/0x210 [ 90.576511] ? selinux_file_mprotect+0x620/0x620 [ 90.581266] ? __sb_end_write+0xd9/0x110 [ 90.585311] ? vfs_write+0x160/0x560 [ 90.589028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.594577] ? security_file_ioctl+0x8d/0xc0 [ 90.598994] ksys_ioctl+0xab/0xd0 [ 90.602440] __x64_sys_ioctl+0x73/0xb0 [ 90.606325] do_syscall_64+0xfd/0x620 [ 90.610131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.615335] RIP: 0033:0x4412a9 [ 90.618519] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 90.637420] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.645123] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 90.652391] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 90.659664] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 90.666932] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 90.674192] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 90.688361] FAULT_INJECTION: forcing a failure. [ 90.688361] name failslab, interval 1, probability 0, space 0, times 0 [ 90.699813] CPU: 0 PID: 7795 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 90.707595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.716938] Call Trace: [ 90.719592] dump_stack+0x197/0x210 [ 90.723301] should_fail.cold+0xa/0x1b [ 90.727247] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.732343] ? lock_downgrade+0x880/0x880 [ 90.736487] __should_failslab+0x121/0x190 [ 90.740763] should_failslab+0x9/0x14 [ 90.744551] __kmalloc+0x2e2/0x750 [ 90.748082] ? __lockdep_init_map+0x10c/0x5b0 [ 90.752566] ? rcu_read_lock_sched_held+0x110/0x130 [ 90.757570] ? __kfifo_alloc+0x17e/0x2a0 [ 90.761633] __kfifo_alloc+0x17e/0x2a0 [ 90.765515] gsm_dlci_alloc+0xd9/0x410 [ 90.769396] gsm_activate_mux+0x201/0x2a0 [ 90.773561] gsmld_open+0x52a/0x7c0 [ 90.777177] ? gsmld_compat_ioctl+0x40/0x40 [ 90.781488] tty_ldisc_open.isra.0+0x89/0xd0 [ 90.785885] tty_set_ldisc+0x2e3/0x690 [ 90.789763] tty_ioctl+0x65e/0x1510 [ 90.793377] ? tty_vhangup+0x30/0x30 [ 90.797093] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.801574] ? proc_cwd_link+0x1d0/0x1d0 [ 90.805633] ? __might_sleep+0x95/0x190 [ 90.809609] ? vfs_write+0x2f0/0x560 [ 90.813307] ? tty_vhangup+0x30/0x30 [ 90.817028] do_vfs_ioctl+0xd5f/0x1380 [ 90.820916] ? selinux_file_ioctl+0x46f/0x5e0 [ 90.825404] ? selinux_file_ioctl+0x125/0x5e0 [ 90.829996] ? ioctl_preallocate+0x210/0x210 [ 90.834406] ? selinux_file_mprotect+0x620/0x620 [ 90.839151] ? __sb_end_write+0xd9/0x110 [ 90.843199] ? vfs_write+0x160/0x560 [ 90.846938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.852462] ? security_file_ioctl+0x8d/0xc0 [ 90.856859] ksys_ioctl+0xab/0xd0 [ 90.860307] __x64_sys_ioctl+0x73/0xb0 [ 90.864197] do_syscall_64+0xfd/0x620 [ 90.868012] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.873191] RIP: 0033:0x4412a9 executing program [ 90.876371] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.895280] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.902994] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 90.910259] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 90.917539] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 90.924795] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 90.932066] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 90.946071] FAULT_INJECTION: forcing a failure. [ 90.946071] name failslab, interval 1, probability 0, space 0, times 0 [ 90.957447] CPU: 1 PID: 7796 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 90.965229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.974566] Call Trace: [ 90.977149] dump_stack+0x197/0x210 [ 90.980766] should_fail.cold+0xa/0x1b [ 90.984640] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.989732] ? lock_downgrade+0x880/0x880 [ 90.993887] __should_failslab+0x121/0x190 [ 90.998223] should_failslab+0x9/0x14 [ 91.002021] __kmalloc+0x2e2/0x750 [ 91.005552] ? __lockdep_init_map+0x10c/0x5b0 [ 91.010382] ? rcu_read_lock_sched_held+0x110/0x130 [ 91.015406] ? __kfifo_alloc+0x17e/0x2a0 [ 91.019455] __kfifo_alloc+0x17e/0x2a0 [ 91.023372] gsm_dlci_alloc+0xd9/0x410 [ 91.027249] gsm_activate_mux+0x201/0x2a0 [ 91.031381] gsmld_open+0x52a/0x7c0 [ 91.035137] ? gsmld_compat_ioctl+0x40/0x40 [ 91.039465] tty_ldisc_open.isra.0+0x89/0xd0 [ 91.043873] tty_set_ldisc+0x2e3/0x690 [ 91.047758] tty_ioctl+0x65e/0x1510 [ 91.051382] ? tty_vhangup+0x30/0x30 [ 91.055085] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.059568] ? proc_cwd_link+0x1d0/0x1d0 [ 91.063632] ? __might_sleep+0x95/0x190 [ 91.067593] ? vfs_write+0x2f0/0x560 [ 91.071292] ? tty_vhangup+0x30/0x30 [ 91.074993] do_vfs_ioctl+0xd5f/0x1380 [ 91.078876] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.083373] ? selinux_file_ioctl+0x125/0x5e0 [ 91.087853] ? ioctl_preallocate+0x210/0x210 [ 91.092245] ? selinux_file_mprotect+0x620/0x620 [ 91.096995] ? __sb_end_write+0xd9/0x110 [ 91.101046] ? vfs_write+0x160/0x560 [ 91.104759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.110283] ? security_file_ioctl+0x8d/0xc0 [ 91.114682] ksys_ioctl+0xab/0xd0 [ 91.118124] __x64_sys_ioctl+0x73/0xb0 [ 91.122005] do_syscall_64+0xfd/0x620 [ 91.125795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.130972] RIP: 0033:0x4412a9 executing program [ 91.134173] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.153062] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.160760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 91.168015] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 91.175271] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 91.182550] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.189804] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 91.203960] FAULT_INJECTION: forcing a failure. [ 91.203960] name failslab, interval 1, probability 0, space 0, times 0 [ 91.215916] CPU: 0 PID: 7797 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 91.223704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.233070] Call Trace: [ 91.235661] dump_stack+0x197/0x210 [ 91.239307] should_fail.cold+0xa/0x1b [ 91.243203] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.248305] ? lock_downgrade+0x880/0x880 [ 91.252456] __should_failslab+0x121/0x190 [ 91.256741] should_failslab+0x9/0x14 [ 91.260579] __kmalloc+0x2e2/0x750 [ 91.264126] ? __lockdep_init_map+0x10c/0x5b0 [ 91.268640] ? rcu_read_lock_sched_held+0x110/0x130 [ 91.273660] ? __kfifo_alloc+0x17e/0x2a0 [ 91.277741] __kfifo_alloc+0x17e/0x2a0 [ 91.281622] gsm_dlci_alloc+0xd9/0x410 [ 91.285498] gsm_activate_mux+0x201/0x2a0 [ 91.289647] gsmld_open+0x52a/0x7c0 [ 91.293263] ? gsmld_compat_ioctl+0x40/0x40 [ 91.297573] tty_ldisc_open.isra.0+0x89/0xd0 [ 91.301979] tty_set_ldisc+0x2e3/0x690 [ 91.305857] tty_ioctl+0x65e/0x1510 [ 91.309474] ? tty_vhangup+0x30/0x30 [ 91.313176] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.317658] ? proc_cwd_link+0x1d0/0x1d0 [ 91.321717] ? __might_sleep+0x95/0x190 [ 91.325677] ? vfs_write+0x2f0/0x560 [ 91.329376] ? tty_vhangup+0x30/0x30 [ 91.333081] do_vfs_ioctl+0xd5f/0x1380 [ 91.336973] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.341453] ? selinux_file_ioctl+0x125/0x5e0 [ 91.345937] ? ioctl_preallocate+0x210/0x210 [ 91.350354] ? selinux_file_mprotect+0x620/0x620 [ 91.355099] ? __sb_end_write+0xd9/0x110 [ 91.359154] ? vfs_write+0x160/0x560 [ 91.362874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.368398] ? security_file_ioctl+0x8d/0xc0 [ 91.372817] ksys_ioctl+0xab/0xd0 [ 91.376261] __x64_sys_ioctl+0x73/0xb0 [ 91.380150] do_syscall_64+0xfd/0x620 [ 91.383941] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.389130] RIP: 0033:0x4412a9 executing program [ 91.392307] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.411204] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.418906] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 91.426164] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 91.433418] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 91.440674] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.447935] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 91.461787] FAULT_INJECTION: forcing a failure. [ 91.461787] name failslab, interval 1, probability 0, space 0, times 0 [ 91.473306] CPU: 1 PID: 7798 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 91.481090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.490430] Call Trace: [ 91.493030] dump_stack+0x197/0x210 [ 91.496657] should_fail.cold+0xa/0x1b [ 91.500677] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.505843] ? lock_downgrade+0x880/0x880 [ 91.509993] __should_failslab+0x121/0x190 [ 91.514219] should_failslab+0x9/0x14 [ 91.518011] __kmalloc+0x2e2/0x750 [ 91.521543] ? __lockdep_init_map+0x10c/0x5b0 [ 91.526037] ? rcu_read_lock_sched_held+0x110/0x130 [ 91.531075] ? __kfifo_alloc+0x17e/0x2a0 [ 91.535174] __kfifo_alloc+0x17e/0x2a0 [ 91.539104] gsm_dlci_alloc+0xd9/0x410 [ 91.542994] gsm_activate_mux+0x201/0x2a0 [ 91.547132] gsmld_open+0x52a/0x7c0 [ 91.550751] ? gsmld_compat_ioctl+0x40/0x40 [ 91.555070] tty_ldisc_open.isra.0+0x89/0xd0 [ 91.559472] tty_set_ldisc+0x2e3/0x690 [ 91.563354] tty_ioctl+0x65e/0x1510 [ 91.566978] ? tty_vhangup+0x30/0x30 [ 91.570681] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.575170] ? proc_cwd_link+0x1d0/0x1d0 [ 91.579234] ? __might_sleep+0x95/0x190 [ 91.583200] ? vfs_write+0x2f0/0x560 [ 91.586948] ? tty_vhangup+0x30/0x30 [ 91.590701] do_vfs_ioctl+0xd5f/0x1380 [ 91.594580] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.599062] ? selinux_file_ioctl+0x125/0x5e0 [ 91.603547] ? ioctl_preallocate+0x210/0x210 [ 91.607943] ? selinux_file_mprotect+0x620/0x620 [ 91.612693] ? __sb_end_write+0xd9/0x110 [ 91.616742] ? vfs_write+0x160/0x560 [ 91.620447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.625976] ? security_file_ioctl+0x8d/0xc0 [ 91.630389] ksys_ioctl+0xab/0xd0 [ 91.633837] __x64_sys_ioctl+0x73/0xb0 [ 91.637713] do_syscall_64+0xfd/0x620 [ 91.641502] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.646676] RIP: 0033:0x4412a9 executing program [ 91.649865] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.668867] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.676567] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 91.683841] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 91.691153] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 91.698418] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.705679] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 91.720175] FAULT_INJECTION: forcing a failure. [ 91.720175] name failslab, interval 1, probability 0, space 0, times 0 [ 91.731590] CPU: 1 PID: 7799 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 91.739409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.748747] Call Trace: [ 91.751379] dump_stack+0x197/0x210 [ 91.755013] should_fail.cold+0xa/0x1b [ 91.758896] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 91.763993] ? lock_downgrade+0x880/0x880 [ 91.768153] __should_failslab+0x121/0x190 [ 91.772390] should_failslab+0x9/0x14 [ 91.776183] __kmalloc+0x2e2/0x750 [ 91.779715] ? __lockdep_init_map+0x10c/0x5b0 [ 91.784195] ? rcu_read_lock_sched_held+0x110/0x130 [ 91.789196] ? __kfifo_alloc+0x17e/0x2a0 [ 91.793240] __kfifo_alloc+0x17e/0x2a0 [ 91.797116] gsm_dlci_alloc+0xd9/0x410 [ 91.801003] gsm_activate_mux+0x201/0x2a0 [ 91.805139] gsmld_open+0x52a/0x7c0 [ 91.808749] ? gsmld_compat_ioctl+0x40/0x40 [ 91.813056] tty_ldisc_open.isra.0+0x89/0xd0 [ 91.817450] tty_set_ldisc+0x2e3/0x690 [ 91.821324] tty_ioctl+0x65e/0x1510 [ 91.824935] ? tty_vhangup+0x30/0x30 [ 91.828632] ? proc_fail_nth_write+0x9d/0x1e0 [ 91.833108] ? proc_cwd_link+0x1d0/0x1d0 [ 91.837165] ? __might_sleep+0x95/0x190 [ 91.841122] ? vfs_write+0x2f0/0x560 [ 91.844819] ? tty_vhangup+0x30/0x30 [ 91.848520] do_vfs_ioctl+0xd5f/0x1380 [ 91.852406] ? selinux_file_ioctl+0x46f/0x5e0 [ 91.856884] ? selinux_file_ioctl+0x125/0x5e0 [ 91.861369] ? ioctl_preallocate+0x210/0x210 [ 91.865767] ? selinux_file_mprotect+0x620/0x620 [ 91.870510] ? __sb_end_write+0xd9/0x110 [ 91.874555] ? vfs_write+0x160/0x560 [ 91.878261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.883798] ? security_file_ioctl+0x8d/0xc0 [ 91.888191] ksys_ioctl+0xab/0xd0 [ 91.891646] __x64_sys_ioctl+0x73/0xb0 [ 91.895520] do_syscall_64+0xfd/0x620 [ 91.899319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.904500] RIP: 0033:0x4412a9 executing program [ 91.907681] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.926566] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.934269] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 91.941530] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 91.948782] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 91.956033] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 91.963288] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 91.977761] FAULT_INJECTION: forcing a failure. [ 91.977761] name failslab, interval 1, probability 0, space 0, times 0 [ 91.989123] CPU: 0 PID: 7800 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 91.996900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.006337] Call Trace: [ 92.008924] dump_stack+0x197/0x210 [ 92.012590] should_fail.cold+0xa/0x1b [ 92.016479] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.021569] ? lock_downgrade+0x880/0x880 [ 92.025707] __should_failslab+0x121/0x190 [ 92.030018] should_failslab+0x9/0x14 [ 92.033800] __kmalloc+0x2e2/0x750 [ 92.037325] ? __lockdep_init_map+0x10c/0x5b0 [ 92.041806] ? rcu_read_lock_sched_held+0x110/0x130 [ 92.046810] ? __kfifo_alloc+0x17e/0x2a0 [ 92.050856] __kfifo_alloc+0x17e/0x2a0 [ 92.054731] gsm_dlci_alloc+0xd9/0x410 [ 92.058604] gsm_activate_mux+0x201/0x2a0 [ 92.062738] gsmld_open+0x52a/0x7c0 [ 92.066351] ? gsmld_compat_ioctl+0x40/0x40 [ 92.070658] tty_ldisc_open.isra.0+0x89/0xd0 [ 92.075049] tty_set_ldisc+0x2e3/0x690 [ 92.078923] tty_ioctl+0x65e/0x1510 [ 92.082536] ? tty_vhangup+0x30/0x30 [ 92.086246] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.090724] ? proc_cwd_link+0x1d0/0x1d0 [ 92.094794] ? __might_sleep+0x95/0x190 [ 92.098764] ? vfs_write+0x2f0/0x560 [ 92.102467] ? tty_vhangup+0x30/0x30 [ 92.106167] do_vfs_ioctl+0xd5f/0x1380 [ 92.110043] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.114524] ? selinux_file_ioctl+0x125/0x5e0 [ 92.119004] ? ioctl_preallocate+0x210/0x210 [ 92.123399] ? selinux_file_mprotect+0x620/0x620 [ 92.128141] ? __sb_end_write+0xd9/0x110 [ 92.132185] ? vfs_write+0x160/0x560 [ 92.135900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.141421] ? security_file_ioctl+0x8d/0xc0 [ 92.145813] ksys_ioctl+0xab/0xd0 [ 92.149254] __x64_sys_ioctl+0x73/0xb0 [ 92.153133] do_syscall_64+0xfd/0x620 [ 92.156922] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.162099] RIP: 0033:0x4412a9 executing program [ 92.165276] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.184164] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.191868] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 92.199134] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 92.206393] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 92.213645] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.220911] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 92.234841] FAULT_INJECTION: forcing a failure. [ 92.234841] name failslab, interval 1, probability 0, space 0, times 0 [ 92.246212] CPU: 1 PID: 7801 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 92.253992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.263325] Call Trace: [ 92.265917] dump_stack+0x197/0x210 [ 92.269545] should_fail.cold+0xa/0x1b [ 92.273429] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.278519] ? lock_downgrade+0x880/0x880 [ 92.282671] __should_failslab+0x121/0x190 [ 92.286894] should_failslab+0x9/0x14 [ 92.290685] __kmalloc+0x2e2/0x750 [ 92.294214] ? __lockdep_init_map+0x10c/0x5b0 [ 92.298692] ? rcu_read_lock_sched_held+0x110/0x130 [ 92.303696] ? __kfifo_alloc+0x17e/0x2a0 [ 92.307758] __kfifo_alloc+0x17e/0x2a0 [ 92.311643] gsm_dlci_alloc+0xd9/0x410 [ 92.315515] gsm_activate_mux+0x201/0x2a0 [ 92.319648] gsmld_open+0x52a/0x7c0 [ 92.323270] ? gsmld_compat_ioctl+0x40/0x40 [ 92.327589] tty_ldisc_open.isra.0+0x89/0xd0 [ 92.331995] tty_set_ldisc+0x2e3/0x690 [ 92.335911] tty_ioctl+0x65e/0x1510 [ 92.339524] ? tty_vhangup+0x30/0x30 [ 92.343226] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.347867] ? proc_cwd_link+0x1d0/0x1d0 [ 92.351936] ? __might_sleep+0x95/0x190 [ 92.355903] ? vfs_write+0x2f0/0x560 [ 92.359657] ? tty_vhangup+0x30/0x30 [ 92.363362] do_vfs_ioctl+0xd5f/0x1380 [ 92.367242] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.371726] ? selinux_file_ioctl+0x125/0x5e0 [ 92.376218] ? ioctl_preallocate+0x210/0x210 [ 92.380618] ? selinux_file_mprotect+0x620/0x620 [ 92.385366] ? __sb_end_write+0xd9/0x110 [ 92.389414] ? vfs_write+0x160/0x560 [ 92.393121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.398659] ? security_file_ioctl+0x8d/0xc0 [ 92.403056] ksys_ioctl+0xab/0xd0 [ 92.406498] __x64_sys_ioctl+0x73/0xb0 [ 92.410377] do_syscall_64+0xfd/0x620 [ 92.414169] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.419342] RIP: 0033:0x4412a9 executing program [ 92.422523] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.441411] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.449104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 92.456372] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 92.463745] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 92.471009] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.478268] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 92.492657] FAULT_INJECTION: forcing a failure. [ 92.492657] name failslab, interval 1, probability 0, space 0, times 0 [ 92.504544] CPU: 1 PID: 7802 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 92.512345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.521794] Call Trace: [ 92.524376] dump_stack+0x197/0x210 [ 92.527996] should_fail.cold+0xa/0x1b [ 92.531868] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.536990] ? lock_downgrade+0x880/0x880 [ 92.541132] __should_failslab+0x121/0x190 [ 92.545410] should_failslab+0x9/0x14 [ 92.549233] __kmalloc+0x2e2/0x750 [ 92.552799] ? __lockdep_init_map+0x10c/0x5b0 [ 92.557282] ? rcu_read_lock_sched_held+0x110/0x130 [ 92.562283] ? __kfifo_alloc+0x17e/0x2a0 [ 92.566393] __kfifo_alloc+0x17e/0x2a0 [ 92.570269] gsm_dlci_alloc+0xd9/0x410 [ 92.574142] gsm_activate_mux+0x201/0x2a0 [ 92.578314] gsmld_open+0x52a/0x7c0 [ 92.581924] ? gsmld_compat_ioctl+0x40/0x40 [ 92.586236] tty_ldisc_open.isra.0+0x89/0xd0 [ 92.590626] tty_set_ldisc+0x2e3/0x690 [ 92.594500] tty_ioctl+0x65e/0x1510 [ 92.598121] ? tty_vhangup+0x30/0x30 [ 92.601829] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.606305] ? proc_cwd_link+0x1d0/0x1d0 [ 92.610359] ? __might_sleep+0x95/0x190 [ 92.614317] ? vfs_write+0x2f0/0x560 [ 92.618030] ? tty_vhangup+0x30/0x30 [ 92.621736] do_vfs_ioctl+0xd5f/0x1380 [ 92.625609] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.630083] ? selinux_file_ioctl+0x125/0x5e0 [ 92.634578] ? ioctl_preallocate+0x210/0x210 [ 92.638971] ? selinux_file_mprotect+0x620/0x620 [ 92.643729] ? __sb_end_write+0xd9/0x110 [ 92.647775] ? vfs_write+0x160/0x560 [ 92.651480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.657041] ? security_file_ioctl+0x8d/0xc0 [ 92.661446] ksys_ioctl+0xab/0xd0 [ 92.664898] __x64_sys_ioctl+0x73/0xb0 [ 92.668780] do_syscall_64+0xfd/0x620 [ 92.672575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.677750] RIP: 0033:0x4412a9 executing program [ 92.680942] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.699831] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.707524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 92.714815] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 92.722076] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 92.729326] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.736598] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 92.751598] FAULT_INJECTION: forcing a failure. [ 92.751598] name failslab, interval 1, probability 0, space 0, times 0 [ 92.762883] CPU: 1 PID: 7803 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 92.770710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.780051] Call Trace: [ 92.782635] dump_stack+0x197/0x210 [ 92.786253] should_fail.cold+0xa/0x1b [ 92.790142] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 92.795288] ? lock_downgrade+0x880/0x880 [ 92.799428] __should_failslab+0x121/0x190 [ 92.803653] should_failslab+0x9/0x14 [ 92.807438] __kmalloc+0x2e2/0x750 [ 92.810978] ? __lockdep_init_map+0x10c/0x5b0 [ 92.815468] ? rcu_read_lock_sched_held+0x110/0x130 [ 92.820517] ? __kfifo_alloc+0x17e/0x2a0 [ 92.824611] __kfifo_alloc+0x17e/0x2a0 [ 92.828498] gsm_dlci_alloc+0xd9/0x410 [ 92.832402] gsm_activate_mux+0x201/0x2a0 [ 92.836536] gsmld_open+0x52a/0x7c0 [ 92.840147] ? gsmld_compat_ioctl+0x40/0x40 [ 92.844452] tty_ldisc_open.isra.0+0x89/0xd0 [ 92.848846] tty_set_ldisc+0x2e3/0x690 [ 92.852730] tty_ioctl+0x65e/0x1510 [ 92.856341] ? tty_vhangup+0x30/0x30 [ 92.860081] ? proc_fail_nth_write+0x9d/0x1e0 [ 92.864557] ? proc_cwd_link+0x1d0/0x1d0 [ 92.868611] ? __might_sleep+0x95/0x190 [ 92.872571] ? vfs_write+0x2f0/0x560 [ 92.876268] ? tty_vhangup+0x30/0x30 [ 92.879979] do_vfs_ioctl+0xd5f/0x1380 [ 92.883853] ? selinux_file_ioctl+0x46f/0x5e0 [ 92.888331] ? selinux_file_ioctl+0x125/0x5e0 [ 92.892814] ? ioctl_preallocate+0x210/0x210 [ 92.897220] ? selinux_file_mprotect+0x620/0x620 [ 92.901964] ? __sb_end_write+0xd9/0x110 [ 92.906012] ? vfs_write+0x160/0x560 [ 92.909730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.915254] ? security_file_ioctl+0x8d/0xc0 [ 92.919645] ksys_ioctl+0xab/0xd0 [ 92.923085] __x64_sys_ioctl+0x73/0xb0 [ 92.926961] do_syscall_64+0xfd/0x620 [ 92.930750] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.935934] RIP: 0033:0x4412a9 executing program [ 92.939129] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.958025] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.965716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 92.973056] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 92.980311] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 92.987564] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 92.994814] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 93.008966] FAULT_INJECTION: forcing a failure. [ 93.008966] name failslab, interval 1, probability 0, space 0, times 0 [ 93.020378] CPU: 0 PID: 7804 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 93.028200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.037538] Call Trace: [ 93.040122] dump_stack+0x197/0x210 [ 93.043738] should_fail.cold+0xa/0x1b [ 93.047614] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.052707] ? lock_downgrade+0x880/0x880 [ 93.056860] __should_failslab+0x121/0x190 [ 93.061231] should_failslab+0x9/0x14 [ 93.065018] __kmalloc+0x2e2/0x750 [ 93.068546] ? __lockdep_init_map+0x10c/0x5b0 [ 93.073030] ? rcu_read_lock_sched_held+0x110/0x130 [ 93.078031] ? __kfifo_alloc+0x17e/0x2a0 [ 93.082080] __kfifo_alloc+0x17e/0x2a0 [ 93.085957] gsm_dlci_alloc+0xd9/0x410 [ 93.089837] gsm_activate_mux+0x201/0x2a0 [ 93.093982] gsmld_open+0x52a/0x7c0 [ 93.097597] ? gsmld_compat_ioctl+0x40/0x40 [ 93.101917] tty_ldisc_open.isra.0+0x89/0xd0 [ 93.106331] tty_set_ldisc+0x2e3/0x690 [ 93.110206] tty_ioctl+0x65e/0x1510 [ 93.113846] ? tty_vhangup+0x30/0x30 [ 93.117547] ? proc_fail_nth_write+0x9d/0x1e0 [ 93.122065] ? proc_cwd_link+0x1d0/0x1d0 [ 93.126123] ? __might_sleep+0x95/0x190 [ 93.130081] ? vfs_write+0x2f0/0x560 [ 93.133794] ? tty_vhangup+0x30/0x30 [ 93.137496] do_vfs_ioctl+0xd5f/0x1380 [ 93.141374] ? selinux_file_ioctl+0x46f/0x5e0 [ 93.145854] ? selinux_file_ioctl+0x125/0x5e0 [ 93.150363] ? ioctl_preallocate+0x210/0x210 [ 93.154764] ? selinux_file_mprotect+0x620/0x620 [ 93.159508] ? __sb_end_write+0xd9/0x110 [ 93.163572] ? vfs_write+0x160/0x560 [ 93.167280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.172837] ? security_file_ioctl+0x8d/0xc0 [ 93.177236] ksys_ioctl+0xab/0xd0 [ 93.180678] __x64_sys_ioctl+0x73/0xb0 [ 93.184556] do_syscall_64+0xfd/0x620 [ 93.188361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.193537] RIP: 0033:0x4412a9 executing program [ 93.196717] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.215606] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.223306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 93.230560] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 93.237840] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 93.245095] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 93.252350] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 93.266477] FAULT_INJECTION: forcing a failure. [ 93.266477] name failslab, interval 1, probability 0, space 0, times 0 [ 93.277748] CPU: 1 PID: 7805 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 93.285528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.294968] Call Trace: [ 93.297546] dump_stack+0x197/0x210 [ 93.301165] should_fail.cold+0xa/0x1b [ 93.305041] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.310131] ? lock_downgrade+0x880/0x880 [ 93.314274] __should_failslab+0x121/0x190 [ 93.318498] should_failslab+0x9/0x14 [ 93.322287] __kmalloc+0x2e2/0x750 [ 93.325835] ? __lockdep_init_map+0x10c/0x5b0 [ 93.330321] ? rcu_read_lock_sched_held+0x110/0x130 [ 93.335327] ? __kfifo_alloc+0x17e/0x2a0 [ 93.339375] __kfifo_alloc+0x17e/0x2a0 [ 93.343254] gsm_dlci_alloc+0xd9/0x410 [ 93.347224] gsm_activate_mux+0x201/0x2a0 [ 93.351368] gsmld_open+0x52a/0x7c0 [ 93.354979] ? gsmld_compat_ioctl+0x40/0x40 [ 93.359288] tty_ldisc_open.isra.0+0x89/0xd0 [ 93.363706] tty_set_ldisc+0x2e3/0x690 [ 93.367589] tty_ioctl+0x65e/0x1510 [ 93.371305] ? tty_vhangup+0x30/0x30 [ 93.375009] ? proc_fail_nth_write+0x9d/0x1e0 [ 93.379493] ? proc_cwd_link+0x1d0/0x1d0 [ 93.383564] ? __might_sleep+0x95/0x190 [ 93.387541] ? vfs_write+0x2f0/0x560 [ 93.391246] ? tty_vhangup+0x30/0x30 [ 93.394954] do_vfs_ioctl+0xd5f/0x1380 [ 93.398845] ? selinux_file_ioctl+0x46f/0x5e0 [ 93.403329] ? selinux_file_ioctl+0x125/0x5e0 [ 93.407865] ? ioctl_preallocate+0x210/0x210 [ 93.412263] ? selinux_file_mprotect+0x620/0x620 [ 93.417015] ? __sb_end_write+0xd9/0x110 [ 93.421070] ? vfs_write+0x160/0x560 [ 93.424799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.430348] ? security_file_ioctl+0x8d/0xc0 [ 93.434762] ksys_ioctl+0xab/0xd0 [ 93.438211] __x64_sys_ioctl+0x73/0xb0 [ 93.442157] do_syscall_64+0xfd/0x620 [ 93.445961] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.451143] RIP: 0033:0x4412a9 executing program [ 93.454325] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.473228] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.480926] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 93.488284] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 93.495547] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 93.502950] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 93.510262] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 93.525858] FAULT_INJECTION: forcing a failure. [ 93.525858] name failslab, interval 1, probability 0, space 0, times 0 [ 93.537161] CPU: 0 PID: 7806 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 93.544940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.554301] Call Trace: [ 93.556911] dump_stack+0x197/0x210 [ 93.560622] should_fail.cold+0xa/0x1b [ 93.564499] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.569609] ? lock_downgrade+0x880/0x880 [ 93.573751] __should_failslab+0x121/0x190 [ 93.577976] should_failslab+0x9/0x14 [ 93.581764] __kmalloc+0x2e2/0x750 [ 93.585310] ? __lockdep_init_map+0x10c/0x5b0 [ 93.589794] ? rcu_read_lock_sched_held+0x110/0x130 [ 93.594833] ? __kfifo_alloc+0x17e/0x2a0 [ 93.598889] __kfifo_alloc+0x17e/0x2a0 [ 93.602770] gsm_dlci_alloc+0xd9/0x410 [ 93.606660] gsm_activate_mux+0x201/0x2a0 [ 93.610797] gsmld_open+0x52a/0x7c0 [ 93.614431] ? gsmld_compat_ioctl+0x40/0x40 [ 93.618778] tty_ldisc_open.isra.0+0x89/0xd0 [ 93.623188] tty_set_ldisc+0x2e3/0x690 [ 93.627063] tty_ioctl+0x65e/0x1510 [ 93.630677] ? tty_vhangup+0x30/0x30 [ 93.634390] ? proc_fail_nth_write+0x9d/0x1e0 [ 93.638870] ? proc_cwd_link+0x1d0/0x1d0 [ 93.643073] ? __might_sleep+0x95/0x190 [ 93.647043] ? vfs_write+0x2f0/0x560 [ 93.650750] ? tty_vhangup+0x30/0x30 [ 93.654464] do_vfs_ioctl+0xd5f/0x1380 [ 93.658345] ? selinux_file_ioctl+0x46f/0x5e0 [ 93.662829] ? selinux_file_ioctl+0x125/0x5e0 [ 93.667360] ? ioctl_preallocate+0x210/0x210 [ 93.671780] ? selinux_file_mprotect+0x620/0x620 [ 93.676532] ? __sb_end_write+0xd9/0x110 [ 93.680583] ? vfs_write+0x160/0x560 [ 93.684294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.689817] ? security_file_ioctl+0x8d/0xc0 [ 93.694221] ksys_ioctl+0xab/0xd0 [ 93.697668] __x64_sys_ioctl+0x73/0xb0 [ 93.701554] do_syscall_64+0xfd/0x620 [ 93.706535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.711734] RIP: 0033:0x4412a9 [ 93.714915] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.734678] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.742376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 93.749640] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 93.756915] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 93.764206] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 93.771462] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 93.786546] FAULT_INJECTION: forcing a failure. [ 93.786546] name failslab, interval 1, probability 0, space 0, times 0 [ 93.797889] CPU: 1 PID: 7807 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 93.805772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.815221] Call Trace: [ 93.817862] dump_stack+0x197/0x210 [ 93.821481] should_fail.cold+0xa/0x1b [ 93.825356] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 93.830448] ? lock_downgrade+0x880/0x880 [ 93.834593] __should_failslab+0x121/0x190 [ 93.838843] should_failslab+0x9/0x14 [ 93.842637] __kmalloc+0x2e2/0x750 [ 93.846167] ? __lockdep_init_map+0x10c/0x5b0 [ 93.850648] ? rcu_read_lock_sched_held+0x110/0x130 [ 93.855654] ? __kfifo_alloc+0x17e/0x2a0 [ 93.859712] __kfifo_alloc+0x17e/0x2a0 [ 93.863593] gsm_dlci_alloc+0xd9/0x410 [ 93.867466] gsm_activate_mux+0x201/0x2a0 [ 93.871603] gsmld_open+0x52a/0x7c0 [ 93.875216] ? gsmld_compat_ioctl+0x40/0x40 [ 93.879527] tty_ldisc_open.isra.0+0x89/0xd0 [ 93.883921] tty_set_ldisc+0x2e3/0x690 [ 93.887795] tty_ioctl+0x65e/0x1510 [ 93.891405] ? tty_vhangup+0x30/0x30 [ 93.895130] ? proc_fail_nth_write+0x9d/0x1e0 [ 93.899609] ? proc_cwd_link+0x1d0/0x1d0 [ 93.903669] ? __might_sleep+0x95/0x190 [ 93.907627] ? vfs_write+0x2f0/0x560 [ 93.911326] ? tty_vhangup+0x30/0x30 [ 93.915027] do_vfs_ioctl+0xd5f/0x1380 [ 93.918916] ? selinux_file_ioctl+0x46f/0x5e0 [ 93.923394] ? selinux_file_ioctl+0x125/0x5e0 [ 93.927877] ? ioctl_preallocate+0x210/0x210 [ 93.932272] ? selinux_file_mprotect+0x620/0x620 [ 93.937031] ? __sb_end_write+0xd9/0x110 [ 93.941077] ? vfs_write+0x160/0x560 [ 93.944788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.950313] ? security_file_ioctl+0x8d/0xc0 [ 93.954722] ksys_ioctl+0xab/0xd0 [ 93.958178] __x64_sys_ioctl+0x73/0xb0 [ 93.962058] do_syscall_64+0xfd/0x620 [ 93.965847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.971038] RIP: 0033:0x4412a9 [ 93.974223] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.993114] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.000809] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 94.008064] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 94.015318] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 executing program [ 94.022590] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 94.029842] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 94.043740] FAULT_INJECTION: forcing a failure. [ 94.043740] name failslab, interval 1, probability 0, space 0, times 0 [ 94.055790] CPU: 0 PID: 7808 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 94.063629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.072974] Call Trace: [ 94.075564] dump_stack+0x197/0x210 [ 94.079187] should_fail.cold+0xa/0x1b [ 94.083073] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.088214] ? lock_downgrade+0x880/0x880 [ 94.092357] __should_failslab+0x121/0x190 [ 94.096583] should_failslab+0x9/0x14 [ 94.100372] __kmalloc+0x2e2/0x750 [ 94.103946] ? __lockdep_init_map+0x10c/0x5b0 [ 94.108434] ? rcu_read_lock_sched_held+0x110/0x130 [ 94.113438] ? __kfifo_alloc+0x17e/0x2a0 [ 94.117488] __kfifo_alloc+0x17e/0x2a0 [ 94.121376] gsm_dlci_alloc+0xd9/0x410 [ 94.125256] gsm_activate_mux+0x201/0x2a0 [ 94.129408] gsmld_open+0x52a/0x7c0 [ 94.133019] ? gsmld_compat_ioctl+0x40/0x40 [ 94.137327] tty_ldisc_open.isra.0+0x89/0xd0 [ 94.141721] tty_set_ldisc+0x2e3/0x690 [ 94.145596] tty_ioctl+0x65e/0x1510 [ 94.149212] ? tty_vhangup+0x30/0x30 [ 94.152919] ? proc_fail_nth_write+0x9d/0x1e0 [ 94.157400] ? proc_cwd_link+0x1d0/0x1d0 [ 94.161458] ? __might_sleep+0x95/0x190 [ 94.165434] ? vfs_write+0x2f0/0x560 [ 94.169134] ? tty_vhangup+0x30/0x30 [ 94.172839] do_vfs_ioctl+0xd5f/0x1380 [ 94.176723] ? selinux_file_ioctl+0x46f/0x5e0 [ 94.181203] ? selinux_file_ioctl+0x125/0x5e0 [ 94.185683] ? ioctl_preallocate+0x210/0x210 [ 94.190093] ? selinux_file_mprotect+0x620/0x620 [ 94.194839] ? __sb_end_write+0xd9/0x110 [ 94.198885] ? vfs_write+0x160/0x560 [ 94.202593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.208131] ? security_file_ioctl+0x8d/0xc0 [ 94.212534] ksys_ioctl+0xab/0xd0 [ 94.215980] __x64_sys_ioctl+0x73/0xb0 [ 94.219859] do_syscall_64+0xfd/0x620 [ 94.223662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.228850] RIP: 0033:0x4412a9 [ 94.232075] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.251014] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.258725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 94.265982] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 executing program [ 94.273238] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 94.280500] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 94.287755] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 94.302958] FAULT_INJECTION: forcing a failure. [ 94.302958] name failslab, interval 1, probability 0, space 0, times 0 [ 94.314446] CPU: 1 PID: 7809 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 94.322233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.331570] Call Trace: [ 94.334148] dump_stack+0x197/0x210 [ 94.337878] should_fail.cold+0xa/0x1b [ 94.341755] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.346846] ? lock_downgrade+0x880/0x880 [ 94.350985] __should_failslab+0x121/0x190 [ 94.355207] should_failslab+0x9/0x14 [ 94.359019] __kmalloc+0x2e2/0x750 [ 94.362549] ? __lockdep_init_map+0x10c/0x5b0 [ 94.367086] ? rcu_read_lock_sched_held+0x110/0x130 [ 94.372091] ? __kfifo_alloc+0x17e/0x2a0 [ 94.376139] __kfifo_alloc+0x17e/0x2a0 [ 94.380017] gsm_dlci_alloc+0xd9/0x410 [ 94.383892] gsm_activate_mux+0x201/0x2a0 [ 94.388026] gsmld_open+0x52a/0x7c0 [ 94.391645] ? gsmld_compat_ioctl+0x40/0x40 [ 94.395975] tty_ldisc_open.isra.0+0x89/0xd0 [ 94.400390] tty_set_ldisc+0x2e3/0x690 [ 94.404285] tty_ioctl+0x65e/0x1510 [ 94.407899] ? tty_vhangup+0x30/0x30 [ 94.411600] ? proc_fail_nth_write+0x9d/0x1e0 [ 94.416079] ? proc_cwd_link+0x1d0/0x1d0 [ 94.420137] ? __might_sleep+0x95/0x190 [ 94.424103] ? vfs_write+0x2f0/0x560 [ 94.427802] ? tty_vhangup+0x30/0x30 [ 94.431503] do_vfs_ioctl+0xd5f/0x1380 [ 94.435389] ? selinux_file_ioctl+0x46f/0x5e0 [ 94.439870] ? selinux_file_ioctl+0x125/0x5e0 [ 94.444418] ? ioctl_preallocate+0x210/0x210 [ 94.448830] ? selinux_file_mprotect+0x620/0x620 [ 94.453584] ? __sb_end_write+0xd9/0x110 [ 94.457813] ? vfs_write+0x160/0x560 [ 94.461523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.467057] ? security_file_ioctl+0x8d/0xc0 [ 94.471464] ksys_ioctl+0xab/0xd0 [ 94.474917] __x64_sys_ioctl+0x73/0xb0 [ 94.478932] do_syscall_64+0xfd/0x620 [ 94.482870] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.488046] RIP: 0033:0x4412a9 [ 94.491236] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.510140] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.517842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 executing program [ 94.525099] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 94.532364] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 94.539628] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 94.546903] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 94.561207] FAULT_INJECTION: forcing a failure. [ 94.561207] name failslab, interval 1, probability 0, space 0, times 0 [ 94.573300] CPU: 0 PID: 7810 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 94.581092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.590540] Call Trace: [ 94.593140] dump_stack+0x197/0x210 [ 94.596761] should_fail.cold+0xa/0x1b [ 94.600638] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.605734] ? lock_downgrade+0x880/0x880 [ 94.609881] __should_failslab+0x121/0x190 [ 94.614138] should_failslab+0x9/0x14 [ 94.617929] __kmalloc+0x2e2/0x750 [ 94.621459] ? __lockdep_init_map+0x10c/0x5b0 [ 94.625941] ? rcu_read_lock_sched_held+0x110/0x130 [ 94.630945] ? __kfifo_alloc+0x17e/0x2a0 [ 94.635009] __kfifo_alloc+0x17e/0x2a0 [ 94.638890] gsm_dlci_alloc+0xd9/0x410 [ 94.642769] gsm_activate_mux+0x201/0x2a0 [ 94.646918] gsmld_open+0x52a/0x7c0 [ 94.650541] ? gsmld_compat_ioctl+0x40/0x40 [ 94.654849] tty_ldisc_open.isra.0+0x89/0xd0 [ 94.659283] tty_set_ldisc+0x2e3/0x690 [ 94.663168] tty_ioctl+0x65e/0x1510 [ 94.666795] ? tty_vhangup+0x30/0x30 [ 94.670639] ? proc_fail_nth_write+0x9d/0x1e0 [ 94.675181] ? proc_cwd_link+0x1d0/0x1d0 [ 94.679278] ? __might_sleep+0x95/0x190 [ 94.683255] ? vfs_write+0x2f0/0x560 [ 94.686968] ? tty_vhangup+0x30/0x30 [ 94.690672] do_vfs_ioctl+0xd5f/0x1380 [ 94.694551] ? selinux_file_ioctl+0x46f/0x5e0 [ 94.699034] ? selinux_file_ioctl+0x125/0x5e0 [ 94.703519] ? ioctl_preallocate+0x210/0x210 [ 94.707915] ? selinux_file_mprotect+0x620/0x620 [ 94.712664] ? __sb_end_write+0xd9/0x110 [ 94.716715] ? vfs_write+0x160/0x560 [ 94.720423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.725949] ? security_file_ioctl+0x8d/0xc0 [ 94.730345] ksys_ioctl+0xab/0xd0 [ 94.733788] __x64_sys_ioctl+0x73/0xb0 [ 94.737667] do_syscall_64+0xfd/0x620 [ 94.741460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.746634] RIP: 0033:0x4412a9 [ 94.749816] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.768723] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 94.776439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 94.783693] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 94.790950] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 94.798205] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 94.805475] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 94.819654] FAULT_INJECTION: forcing a failure. [ 94.819654] name failslab, interval 1, probability 0, space 0, times 0 [ 94.830897] CPU: 1 PID: 7811 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 94.838675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.848014] Call Trace: [ 94.850602] dump_stack+0x197/0x210 [ 94.854265] should_fail.cold+0xa/0x1b [ 94.858141] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 94.863232] ? lock_downgrade+0x880/0x880 [ 94.867384] __should_failslab+0x121/0x190 [ 94.871624] should_failslab+0x9/0x14 [ 94.875414] __kmalloc+0x2e2/0x750 [ 94.878994] ? __lockdep_init_map+0x10c/0x5b0 [ 94.883480] ? rcu_read_lock_sched_held+0x110/0x130 [ 94.888493] ? __kfifo_alloc+0x17e/0x2a0 [ 94.892547] __kfifo_alloc+0x17e/0x2a0 [ 94.896427] gsm_dlci_alloc+0xd9/0x410 [ 94.900307] gsm_activate_mux+0x201/0x2a0 [ 94.904456] gsmld_open+0x52a/0x7c0 [ 94.908073] ? gsmld_compat_ioctl+0x40/0x40 [ 94.912384] tty_ldisc_open.isra.0+0x89/0xd0 [ 94.916782] tty_set_ldisc+0x2e3/0x690 [ 94.920658] tty_ioctl+0x65e/0x1510 [ 94.924334] ? tty_vhangup+0x30/0x30 [ 94.928130] ? proc_fail_nth_write+0x9d/0x1e0 [ 94.932613] ? proc_cwd_link+0x1d0/0x1d0 [ 94.936673] ? __might_sleep+0x95/0x190 [ 94.940642] ? vfs_write+0x2f0/0x560 [ 94.944355] ? tty_vhangup+0x30/0x30 [ 94.948060] do_vfs_ioctl+0xd5f/0x1380 [ 94.951940] ? selinux_file_ioctl+0x46f/0x5e0 [ 94.956422] ? selinux_file_ioctl+0x125/0x5e0 [ 94.960928] ? ioctl_preallocate+0x210/0x210 [ 94.965325] ? selinux_file_mprotect+0x620/0x620 [ 94.970071] ? __sb_end_write+0xd9/0x110 [ 94.974121] ? vfs_write+0x160/0x560 [ 94.977827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.983353] ? security_file_ioctl+0x8d/0xc0 [ 94.987763] ksys_ioctl+0xab/0xd0 [ 94.991207] __x64_sys_ioctl+0x73/0xb0 [ 94.995086] do_syscall_64+0xfd/0x620 [ 94.998878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.004053] RIP: 0033:0x4412a9 [ 95.007239] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 95.026124] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.033819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 95.041073] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 95.048326] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 95.055578] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.062834] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 95.080212] FAULT_INJECTION: forcing a failure. [ 95.080212] name failslab, interval 1, probability 0, space 0, times 0 [ 95.091679] CPU: 0 PID: 7812 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 95.099460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.108798] Call Trace: [ 95.111384] dump_stack+0x197/0x210 [ 95.115005] should_fail.cold+0xa/0x1b [ 95.118930] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.124023] ? lock_downgrade+0x880/0x880 [ 95.128170] __should_failslab+0x121/0x190 [ 95.132395] should_failslab+0x9/0x14 [ 95.136183] __kmalloc+0x2e2/0x750 [ 95.139723] ? __lockdep_init_map+0x10c/0x5b0 [ 95.144205] ? rcu_read_lock_sched_held+0x110/0x130 [ 95.149224] ? __kfifo_alloc+0x17e/0x2a0 [ 95.153275] __kfifo_alloc+0x17e/0x2a0 [ 95.157151] gsm_dlci_alloc+0xd9/0x410 [ 95.161025] gsm_activate_mux+0x201/0x2a0 [ 95.165160] gsmld_open+0x52a/0x7c0 [ 95.168772] ? gsmld_compat_ioctl+0x40/0x40 [ 95.173080] tty_ldisc_open.isra.0+0x89/0xd0 [ 95.177476] tty_set_ldisc+0x2e3/0x690 [ 95.181352] tty_ioctl+0x65e/0x1510 [ 95.184966] ? tty_vhangup+0x30/0x30 [ 95.188666] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.193147] ? proc_cwd_link+0x1d0/0x1d0 [ 95.197219] ? __might_sleep+0x95/0x190 [ 95.201182] ? vfs_write+0x2f0/0x560 [ 95.204880] ? tty_vhangup+0x30/0x30 [ 95.208590] do_vfs_ioctl+0xd5f/0x1380 [ 95.212468] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.216977] ? selinux_file_ioctl+0x125/0x5e0 [ 95.221463] ? ioctl_preallocate+0x210/0x210 [ 95.225872] ? selinux_file_mprotect+0x620/0x620 [ 95.230617] ? __sb_end_write+0xd9/0x110 [ 95.234670] ? vfs_write+0x160/0x560 [ 95.238375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.243898] ? security_file_ioctl+0x8d/0xc0 [ 95.248302] ksys_ioctl+0xab/0xd0 [ 95.251750] __x64_sys_ioctl+0x73/0xb0 [ 95.255631] do_syscall_64+0xfd/0x620 [ 95.259455] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.264637] RIP: 0033:0x4412a9 executing program [ 95.267824] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.286719] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.294416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 95.301679] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 95.309052] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 95.316311] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.323582] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 95.338658] FAULT_INJECTION: forcing a failure. [ 95.338658] name failslab, interval 1, probability 0, space 0, times 0 [ 95.349933] CPU: 0 PID: 7813 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 95.357723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.367068] Call Trace: [ 95.369656] dump_stack+0x197/0x210 [ 95.373275] should_fail.cold+0xa/0x1b [ 95.377152] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.382257] ? lock_downgrade+0x880/0x880 [ 95.386399] __should_failslab+0x121/0x190 [ 95.390622] should_failslab+0x9/0x14 [ 95.394411] __kmalloc+0x2e2/0x750 [ 95.397967] ? __lockdep_init_map+0x10c/0x5b0 [ 95.402447] ? rcu_read_lock_sched_held+0x110/0x130 [ 95.407538] ? __kfifo_alloc+0x17e/0x2a0 [ 95.411588] __kfifo_alloc+0x17e/0x2a0 [ 95.415465] gsm_dlci_alloc+0xd9/0x410 [ 95.419344] gsm_activate_mux+0x201/0x2a0 [ 95.423501] gsmld_open+0x52a/0x7c0 [ 95.427119] ? gsmld_compat_ioctl+0x40/0x40 [ 95.431428] tty_ldisc_open.isra.0+0x89/0xd0 [ 95.435822] tty_set_ldisc+0x2e3/0x690 [ 95.439695] tty_ioctl+0x65e/0x1510 [ 95.443308] ? tty_vhangup+0x30/0x30 [ 95.447024] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.451508] ? proc_cwd_link+0x1d0/0x1d0 [ 95.455574] ? __might_sleep+0x95/0x190 [ 95.459548] ? vfs_write+0x2f0/0x560 [ 95.463246] ? tty_vhangup+0x30/0x30 [ 95.466951] do_vfs_ioctl+0xd5f/0x1380 [ 95.470826] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.475305] ? selinux_file_ioctl+0x125/0x5e0 [ 95.479787] ? ioctl_preallocate+0x210/0x210 [ 95.484184] ? selinux_file_mprotect+0x620/0x620 [ 95.484201] ? __sb_end_write+0xd9/0x110 [ 95.484212] ? vfs_write+0x160/0x560 [ 95.484236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.484249] ? security_file_ioctl+0x8d/0xc0 [ 95.484265] ksys_ioctl+0xab/0xd0 [ 95.484282] __x64_sys_ioctl+0x73/0xb0 [ 95.484300] do_syscall_64+0xfd/0x620 [ 95.484323] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.484334] RIP: 0033:0x4412a9 executing program [ 95.484347] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.545146] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.552842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 95.560098] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 95.567355] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 95.574616] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.581871] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 95.596994] FAULT_INJECTION: forcing a failure. [ 95.596994] name failslab, interval 1, probability 0, space 0, times 0 [ 95.608261] CPU: 0 PID: 7814 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 95.616049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.625429] Call Trace: [ 95.628070] dump_stack+0x197/0x210 [ 95.631691] should_fail.cold+0xa/0x1b [ 95.635624] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.640770] ? lock_downgrade+0x880/0x880 [ 95.644924] __should_failslab+0x121/0x190 [ 95.649152] should_failslab+0x9/0x14 [ 95.652957] __kmalloc+0x2e2/0x750 [ 95.656493] ? __lockdep_init_map+0x10c/0x5b0 [ 95.660979] ? rcu_read_lock_sched_held+0x110/0x130 [ 95.665993] ? __kfifo_alloc+0x17e/0x2a0 [ 95.670050] __kfifo_alloc+0x17e/0x2a0 [ 95.673940] gsm_dlci_alloc+0xd9/0x410 [ 95.677838] gsm_activate_mux+0x201/0x2a0 [ 95.681994] gsmld_open+0x52a/0x7c0 [ 95.685613] ? gsmld_compat_ioctl+0x40/0x40 [ 95.689926] tty_ldisc_open.isra.0+0x89/0xd0 [ 95.694322] tty_set_ldisc+0x2e3/0x690 [ 95.698203] tty_ioctl+0x65e/0x1510 [ 95.701820] ? tty_vhangup+0x30/0x30 [ 95.705522] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.710010] ? proc_cwd_link+0x1d0/0x1d0 [ 95.714075] ? __might_sleep+0x95/0x190 [ 95.718046] ? vfs_write+0x2f0/0x560 [ 95.721747] ? tty_vhangup+0x30/0x30 [ 95.725449] do_vfs_ioctl+0xd5f/0x1380 [ 95.729324] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.733803] ? selinux_file_ioctl+0x125/0x5e0 [ 95.738284] ? ioctl_preallocate+0x210/0x210 [ 95.742678] ? selinux_file_mprotect+0x620/0x620 [ 95.747421] ? __sb_end_write+0xd9/0x110 [ 95.751469] ? vfs_write+0x160/0x560 [ 95.755176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.760698] ? security_file_ioctl+0x8d/0xc0 [ 95.765094] ksys_ioctl+0xab/0xd0 [ 95.768537] __x64_sys_ioctl+0x73/0xb0 [ 95.772426] do_syscall_64+0xfd/0x620 [ 95.776484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.781664] RIP: 0033:0x4412a9 executing program [ 95.784859] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.803748] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.811555] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 95.818812] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 95.826074] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 95.833329] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 95.840583] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 95.854677] FAULT_INJECTION: forcing a failure. [ 95.854677] name failslab, interval 1, probability 0, space 0, times 0 [ 95.865930] CPU: 1 PID: 7815 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 95.873806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.883149] Call Trace: [ 95.885733] dump_stack+0x197/0x210 [ 95.889351] should_fail.cold+0xa/0x1b [ 95.893225] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 95.898323] ? lock_downgrade+0x880/0x880 [ 95.902469] __should_failslab+0x121/0x190 [ 95.906692] should_failslab+0x9/0x14 [ 95.910495] __kmalloc+0x2e2/0x750 [ 95.914040] ? __lockdep_init_map+0x10c/0x5b0 [ 95.918526] ? rcu_read_lock_sched_held+0x110/0x130 [ 95.923528] ? __kfifo_alloc+0x17e/0x2a0 [ 95.927591] __kfifo_alloc+0x17e/0x2a0 [ 95.931470] gsm_dlci_alloc+0xd9/0x410 [ 95.935346] gsm_activate_mux+0x201/0x2a0 [ 95.939484] gsmld_open+0x52a/0x7c0 [ 95.943097] ? gsmld_compat_ioctl+0x40/0x40 [ 95.947406] tty_ldisc_open.isra.0+0x89/0xd0 [ 95.951818] tty_set_ldisc+0x2e3/0x690 [ 95.955703] tty_ioctl+0x65e/0x1510 [ 95.959329] ? tty_vhangup+0x30/0x30 [ 95.963038] ? proc_fail_nth_write+0x9d/0x1e0 [ 95.967531] ? proc_cwd_link+0x1d0/0x1d0 [ 95.971598] ? __might_sleep+0x95/0x190 [ 95.975566] ? vfs_write+0x2f0/0x560 [ 95.979277] ? tty_vhangup+0x30/0x30 [ 95.982983] do_vfs_ioctl+0xd5f/0x1380 [ 95.986941] ? selinux_file_ioctl+0x46f/0x5e0 [ 95.991426] ? selinux_file_ioctl+0x125/0x5e0 [ 95.995912] ? ioctl_preallocate+0x210/0x210 [ 96.000309] ? selinux_file_mprotect+0x620/0x620 [ 96.005054] ? __sb_end_write+0xd9/0x110 [ 96.009102] ? vfs_write+0x160/0x560 [ 96.012877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.018401] ? security_file_ioctl+0x8d/0xc0 [ 96.022797] ksys_ioctl+0xab/0xd0 [ 96.026239] __x64_sys_ioctl+0x73/0xb0 [ 96.030121] do_syscall_64+0xfd/0x620 [ 96.033914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.039090] RIP: 0033:0x4412a9 executing program [ 96.042267] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.061156] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.068868] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 96.076135] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 96.083391] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 96.090646] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 96.097903] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 96.111843] FAULT_INJECTION: forcing a failure. [ 96.111843] name failslab, interval 1, probability 0, space 0, times 0 [ 96.123771] CPU: 0 PID: 7816 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 96.131557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.140894] Call Trace: [ 96.143475] dump_stack+0x197/0x210 [ 96.147098] should_fail.cold+0xa/0x1b [ 96.150996] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.156096] ? lock_downgrade+0x880/0x880 [ 96.160237] __should_failslab+0x121/0x190 [ 96.164463] should_failslab+0x9/0x14 [ 96.168249] __kmalloc+0x2e2/0x750 [ 96.171779] ? __lockdep_init_map+0x10c/0x5b0 [ 96.176262] ? rcu_read_lock_sched_held+0x110/0x130 [ 96.181268] ? __kfifo_alloc+0x17e/0x2a0 [ 96.185318] __kfifo_alloc+0x17e/0x2a0 [ 96.189198] gsm_dlci_alloc+0xd9/0x410 [ 96.193073] gsm_activate_mux+0x201/0x2a0 [ 96.197213] gsmld_open+0x52a/0x7c0 [ 96.200829] ? gsmld_compat_ioctl+0x40/0x40 [ 96.205155] tty_ldisc_open.isra.0+0x89/0xd0 [ 96.209554] tty_set_ldisc+0x2e3/0x690 [ 96.213431] tty_ioctl+0x65e/0x1510 [ 96.217046] ? tty_vhangup+0x30/0x30 [ 96.220748] ? proc_fail_nth_write+0x9d/0x1e0 [ 96.225230] ? proc_cwd_link+0x1d0/0x1d0 [ 96.229286] ? __might_sleep+0x95/0x190 [ 96.233267] ? vfs_write+0x2f0/0x560 [ 96.236977] ? tty_vhangup+0x30/0x30 [ 96.240757] do_vfs_ioctl+0xd5f/0x1380 [ 96.244659] ? selinux_file_ioctl+0x46f/0x5e0 [ 96.249142] ? selinux_file_ioctl+0x125/0x5e0 [ 96.253637] ? ioctl_preallocate+0x210/0x210 [ 96.258047] ? selinux_file_mprotect+0x620/0x620 [ 96.262794] ? __sb_end_write+0xd9/0x110 [ 96.266853] ? vfs_write+0x160/0x560 [ 96.270572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.276103] ? security_file_ioctl+0x8d/0xc0 [ 96.280510] ksys_ioctl+0xab/0xd0 [ 96.283953] __x64_sys_ioctl+0x73/0xb0 [ 96.287832] do_syscall_64+0xfd/0x620 [ 96.291621] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.296795] RIP: 0033:0x4412a9 executing program [ 96.299981] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.318871] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.326570] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 96.333837] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 96.341090] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 96.348351] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 96.355622] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 96.369695] FAULT_INJECTION: forcing a failure. [ 96.369695] name failslab, interval 1, probability 0, space 0, times 0 [ 96.381030] CPU: 1 PID: 7817 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 96.388808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.398153] Call Trace: [ 96.400758] dump_stack+0x197/0x210 [ 96.404379] should_fail.cold+0xa/0x1b [ 96.408258] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.413367] ? lock_downgrade+0x880/0x880 [ 96.417508] __should_failslab+0x121/0x190 [ 96.421841] should_failslab+0x9/0x14 [ 96.425749] __kmalloc+0x2e2/0x750 [ 96.429280] ? __lockdep_init_map+0x10c/0x5b0 [ 96.433767] ? rcu_read_lock_sched_held+0x110/0x130 [ 96.438793] ? __kfifo_alloc+0x17e/0x2a0 [ 96.442844] __kfifo_alloc+0x17e/0x2a0 [ 96.446724] gsm_dlci_alloc+0xd9/0x410 [ 96.450600] gsm_activate_mux+0x201/0x2a0 [ 96.454738] gsmld_open+0x52a/0x7c0 [ 96.458352] ? gsmld_compat_ioctl+0x40/0x40 [ 96.462667] tty_ldisc_open.isra.0+0x89/0xd0 [ 96.467081] tty_set_ldisc+0x2e3/0x690 [ 96.470955] tty_ioctl+0x65e/0x1510 [ 96.474571] ? tty_vhangup+0x30/0x30 [ 96.478269] ? proc_fail_nth_write+0x9d/0x1e0 [ 96.482750] ? proc_cwd_link+0x1d0/0x1d0 [ 96.486829] ? __might_sleep+0x95/0x190 [ 96.490792] ? vfs_write+0x2f0/0x560 [ 96.494503] ? tty_vhangup+0x30/0x30 [ 96.498251] do_vfs_ioctl+0xd5f/0x1380 [ 96.502140] ? selinux_file_ioctl+0x46f/0x5e0 [ 96.506655] ? selinux_file_ioctl+0x125/0x5e0 [ 96.511142] ? ioctl_preallocate+0x210/0x210 [ 96.515537] ? selinux_file_mprotect+0x620/0x620 [ 96.520291] ? __sb_end_write+0xd9/0x110 [ 96.524339] ? vfs_write+0x160/0x560 [ 96.528064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.533594] ? security_file_ioctl+0x8d/0xc0 [ 96.537995] ksys_ioctl+0xab/0xd0 [ 96.541439] __x64_sys_ioctl+0x73/0xb0 [ 96.545318] do_syscall_64+0xfd/0x620 [ 96.549113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.554292] RIP: 0033:0x4412a9 executing program [ 96.557479] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.576378] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.584084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 96.591352] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 96.598621] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 96.605879] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 96.613134] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 96.628454] FAULT_INJECTION: forcing a failure. [ 96.628454] name failslab, interval 1, probability 0, space 0, times 0 [ 96.640004] CPU: 1 PID: 7818 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 96.647841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.657287] Call Trace: [ 96.659891] dump_stack+0x197/0x210 [ 96.663534] should_fail.cold+0xa/0x1b [ 96.667418] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.672509] ? lock_downgrade+0x880/0x880 [ 96.676791] __should_failslab+0x121/0x190 [ 96.681014] should_failslab+0x9/0x14 [ 96.684801] __kmalloc+0x2e2/0x750 [ 96.688332] ? __lockdep_init_map+0x10c/0x5b0 [ 96.692953] ? rcu_read_lock_sched_held+0x110/0x130 [ 96.697968] ? __kfifo_alloc+0x17e/0x2a0 [ 96.702017] __kfifo_alloc+0x17e/0x2a0 [ 96.705901] gsm_dlci_alloc+0xd9/0x410 [ 96.709839] gsm_activate_mux+0x201/0x2a0 [ 96.714032] gsmld_open+0x52a/0x7c0 [ 96.717646] ? gsmld_compat_ioctl+0x40/0x40 [ 96.721958] tty_ldisc_open.isra.0+0x89/0xd0 [ 96.726356] tty_set_ldisc+0x2e3/0x690 [ 96.730233] tty_ioctl+0x65e/0x1510 [ 96.733853] ? tty_vhangup+0x30/0x30 [ 96.737628] ? proc_fail_nth_write+0x9d/0x1e0 [ 96.742116] ? proc_cwd_link+0x1d0/0x1d0 [ 96.746184] ? __might_sleep+0x95/0x190 [ 96.750152] ? vfs_write+0x2f0/0x560 [ 96.753855] ? tty_vhangup+0x30/0x30 [ 96.757565] do_vfs_ioctl+0xd5f/0x1380 [ 96.761447] ? selinux_file_ioctl+0x46f/0x5e0 [ 96.766109] ? selinux_file_ioctl+0x125/0x5e0 [ 96.770596] ? ioctl_preallocate+0x210/0x210 [ 96.775085] ? selinux_file_mprotect+0x620/0x620 [ 96.779836] ? __sb_end_write+0xd9/0x110 [ 96.783888] ? vfs_write+0x160/0x560 [ 96.787596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.793123] ? security_file_ioctl+0x8d/0xc0 [ 96.797523] ksys_ioctl+0xab/0xd0 [ 96.800969] __x64_sys_ioctl+0x73/0xb0 [ 96.804867] do_syscall_64+0xfd/0x620 [ 96.808661] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.813851] RIP: 0033:0x4412a9 [ 96.817030] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.835925] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.843621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 96.850878] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 96.858136] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 96.865403] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 96.872656] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 executing program [ 96.887142] FAULT_INJECTION: forcing a failure. [ 96.887142] name failslab, interval 1, probability 0, space 0, times 0 [ 96.898654] CPU: 0 PID: 7819 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 96.906448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.915797] Call Trace: [ 96.918388] dump_stack+0x197/0x210 [ 96.922026] should_fail.cold+0xa/0x1b [ 96.925904] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 96.930997] ? lock_downgrade+0x880/0x880 [ 96.935145] __should_failslab+0x121/0x190 [ 96.939370] should_failslab+0x9/0x14 [ 96.943156] __kmalloc+0x2e2/0x750 [ 96.946687] ? __lockdep_init_map+0x10c/0x5b0 [ 96.951169] ? rcu_read_lock_sched_held+0x110/0x130 [ 96.956173] ? __kfifo_alloc+0x17e/0x2a0 [ 96.960284] __kfifo_alloc+0x17e/0x2a0 [ 96.964174] gsm_dlci_alloc+0xd9/0x410 [ 96.968061] gsm_activate_mux+0x201/0x2a0 [ 96.972210] gsmld_open+0x52a/0x7c0 [ 96.975877] ? gsmld_compat_ioctl+0x40/0x40 [ 96.980194] tty_ldisc_open.isra.0+0x89/0xd0 [ 96.984627] tty_set_ldisc+0x2e3/0x690 [ 96.988527] tty_ioctl+0x65e/0x1510 [ 96.992140] ? tty_vhangup+0x30/0x30 [ 96.995899] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.000390] ? proc_cwd_link+0x1d0/0x1d0 [ 97.004454] ? __might_sleep+0x95/0x190 [ 97.008426] ? vfs_write+0x2f0/0x560 [ 97.012142] ? tty_vhangup+0x30/0x30 [ 97.015860] do_vfs_ioctl+0xd5f/0x1380 [ 97.019746] ? selinux_file_ioctl+0x46f/0x5e0 [ 97.024274] ? selinux_file_ioctl+0x125/0x5e0 [ 97.028774] ? ioctl_preallocate+0x210/0x210 [ 97.033214] ? selinux_file_mprotect+0x620/0x620 [ 97.037966] ? __sb_end_write+0xd9/0x110 [ 97.042017] ? vfs_write+0x160/0x560 [ 97.045728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.051259] ? security_file_ioctl+0x8d/0xc0 [ 97.055665] ksys_ioctl+0xab/0xd0 [ 97.059112] __x64_sys_ioctl+0x73/0xb0 [ 97.063029] do_syscall_64+0xfd/0x620 [ 97.066842] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.072026] RIP: 0033:0x4412a9 executing program [ 97.075207] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.094100] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.101804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 97.109061] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 97.116325] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 97.123599] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 97.130861] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 97.145115] FAULT_INJECTION: forcing a failure. [ 97.145115] name failslab, interval 1, probability 0, space 0, times 0 [ 97.156372] CPU: 1 PID: 7820 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 97.164413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.173751] Call Trace: [ 97.176339] dump_stack+0x197/0x210 [ 97.179957] should_fail.cold+0xa/0x1b [ 97.183846] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.188939] ? lock_downgrade+0x880/0x880 [ 97.193100] __should_failslab+0x121/0x190 [ 97.197326] should_failslab+0x9/0x14 [ 97.201113] __kmalloc+0x2e2/0x750 [ 97.204644] ? __lockdep_init_map+0x10c/0x5b0 [ 97.209126] ? rcu_read_lock_sched_held+0x110/0x130 [ 97.214129] ? __kfifo_alloc+0x17e/0x2a0 [ 97.218179] __kfifo_alloc+0x17e/0x2a0 [ 97.222055] gsm_dlci_alloc+0xd9/0x410 [ 97.225944] gsm_activate_mux+0x201/0x2a0 [ 97.230094] gsmld_open+0x52a/0x7c0 [ 97.233718] ? gsmld_compat_ioctl+0x40/0x40 [ 97.238032] tty_ldisc_open.isra.0+0x89/0xd0 [ 97.242426] tty_set_ldisc+0x2e3/0x690 [ 97.246305] tty_ioctl+0x65e/0x1510 [ 97.249920] ? tty_vhangup+0x30/0x30 [ 97.253621] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.258118] ? proc_cwd_link+0x1d0/0x1d0 [ 97.262190] ? __might_sleep+0x95/0x190 [ 97.266155] ? vfs_write+0x2f0/0x560 [ 97.269863] ? tty_vhangup+0x30/0x30 [ 97.273569] do_vfs_ioctl+0xd5f/0x1380 [ 97.277447] ? selinux_file_ioctl+0x46f/0x5e0 [ 97.281929] ? selinux_file_ioctl+0x125/0x5e0 [ 97.286416] ? ioctl_preallocate+0x210/0x210 [ 97.290811] ? selinux_file_mprotect+0x620/0x620 [ 97.295567] ? __sb_end_write+0xd9/0x110 [ 97.299617] ? vfs_write+0x160/0x560 [ 97.303322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.308845] ? security_file_ioctl+0x8d/0xc0 [ 97.313242] ksys_ioctl+0xab/0xd0 [ 97.316684] __x64_sys_ioctl+0x73/0xb0 [ 97.320560] do_syscall_64+0xfd/0x620 [ 97.324349] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.329522] RIP: 0033:0x4412a9 executing program [ 97.332703] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.351590] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.359296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 97.366551] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 97.373804] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 97.381056] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 97.388320] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 97.402533] FAULT_INJECTION: forcing a failure. [ 97.402533] name failslab, interval 1, probability 0, space 0, times 0 [ 97.414223] CPU: 1 PID: 7821 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 97.422076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.431420] Call Trace: [ 97.434122] dump_stack+0x197/0x210 [ 97.437744] should_fail.cold+0xa/0x1b [ 97.441685] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.446791] ? lock_downgrade+0x880/0x880 [ 97.450935] __should_failslab+0x121/0x190 [ 97.455162] should_failslab+0x9/0x14 [ 97.458950] __kmalloc+0x2e2/0x750 [ 97.462476] ? __lockdep_init_map+0x10c/0x5b0 [ 97.466990] ? rcu_read_lock_sched_held+0x110/0x130 [ 97.472010] ? __kfifo_alloc+0x17e/0x2a0 [ 97.476058] __kfifo_alloc+0x17e/0x2a0 [ 97.479937] gsm_dlci_alloc+0xd9/0x410 [ 97.483812] gsm_activate_mux+0x201/0x2a0 [ 97.487946] gsmld_open+0x52a/0x7c0 [ 97.491558] ? gsmld_compat_ioctl+0x40/0x40 [ 97.495868] tty_ldisc_open.isra.0+0x89/0xd0 [ 97.500275] tty_set_ldisc+0x2e3/0x690 [ 97.504147] tty_ioctl+0x65e/0x1510 [ 97.507774] ? tty_vhangup+0x30/0x30 [ 97.511472] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.515954] ? proc_cwd_link+0x1d0/0x1d0 [ 97.520026] ? __might_sleep+0x95/0x190 [ 97.523986] ? vfs_write+0x2f0/0x560 [ 97.527694] ? tty_vhangup+0x30/0x30 [ 97.531393] do_vfs_ioctl+0xd5f/0x1380 [ 97.535264] ? selinux_file_ioctl+0x46f/0x5e0 [ 97.539743] ? selinux_file_ioctl+0x125/0x5e0 [ 97.544224] ? ioctl_preallocate+0x210/0x210 [ 97.548626] ? selinux_file_mprotect+0x620/0x620 [ 97.553367] ? __sb_end_write+0xd9/0x110 [ 97.557412] ? vfs_write+0x160/0x560 [ 97.561115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.566650] ? security_file_ioctl+0x8d/0xc0 [ 97.571042] ksys_ioctl+0xab/0xd0 [ 97.574483] __x64_sys_ioctl+0x73/0xb0 [ 97.578358] do_syscall_64+0xfd/0x620 [ 97.582160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.587341] RIP: 0033:0x4412a9 [ 97.590522] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.609419] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.617128] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 97.624394] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 97.631724] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 97.638995] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 97.646702] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 executing program [ 97.660938] FAULT_INJECTION: forcing a failure. [ 97.660938] name failslab, interval 1, probability 0, space 0, times 0 [ 97.672334] CPU: 0 PID: 7822 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 97.680116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.689455] Call Trace: [ 97.692064] dump_stack+0x197/0x210 [ 97.695685] should_fail.cold+0xa/0x1b [ 97.699611] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.704704] ? lock_downgrade+0x880/0x880 [ 97.708843] __should_failslab+0x121/0x190 [ 97.713068] should_failslab+0x9/0x14 [ 97.716855] __kmalloc+0x2e2/0x750 [ 97.720385] ? __lockdep_init_map+0x10c/0x5b0 [ 97.724868] ? rcu_read_lock_sched_held+0x110/0x130 [ 97.729879] ? __kfifo_alloc+0x17e/0x2a0 [ 97.734047] __kfifo_alloc+0x17e/0x2a0 [ 97.737959] gsm_dlci_alloc+0xd9/0x410 [ 97.741843] gsm_activate_mux+0x201/0x2a0 [ 97.745988] gsmld_open+0x52a/0x7c0 [ 97.749605] ? gsmld_compat_ioctl+0x40/0x40 [ 97.754053] tty_ldisc_open.isra.0+0x89/0xd0 [ 97.758494] tty_set_ldisc+0x2e3/0x690 [ 97.762375] tty_ioctl+0x65e/0x1510 [ 97.765993] ? tty_vhangup+0x30/0x30 [ 97.769697] ? proc_fail_nth_write+0x9d/0x1e0 [ 97.774192] ? proc_cwd_link+0x1d0/0x1d0 [ 97.778256] ? __might_sleep+0x95/0x190 [ 97.782338] ? vfs_write+0x2f0/0x560 [ 97.786042] ? tty_vhangup+0x30/0x30 [ 97.789745] do_vfs_ioctl+0xd5f/0x1380 [ 97.793627] ? selinux_file_ioctl+0x46f/0x5e0 [ 97.798120] ? selinux_file_ioctl+0x125/0x5e0 [ 97.802609] ? ioctl_preallocate+0x210/0x210 [ 97.807011] ? selinux_file_mprotect+0x620/0x620 [ 97.811767] ? __sb_end_write+0xd9/0x110 [ 97.815822] ? vfs_write+0x160/0x560 [ 97.819531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.825103] ? security_file_ioctl+0x8d/0xc0 [ 97.829512] ksys_ioctl+0xab/0xd0 [ 97.832961] __x64_sys_ioctl+0x73/0xb0 [ 97.836840] do_syscall_64+0xfd/0x620 [ 97.840640] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.845819] RIP: 0033:0x4412a9 executing program [ 97.848998] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.867889] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.875598] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 97.882858] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 97.890130] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 97.897384] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 97.904648] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 97.918766] FAULT_INJECTION: forcing a failure. [ 97.918766] name failslab, interval 1, probability 0, space 0, times 0 [ 97.930101] CPU: 1 PID: 7823 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 97.937884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.947273] Call Trace: [ 97.949855] dump_stack+0x197/0x210 [ 97.953563] should_fail.cold+0xa/0x1b [ 97.957497] ? trace_hardirqs_on+0x67/0x220 [ 97.961805] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 97.966898] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 97.971989] ? gsm_activate_mux+0x1f7/0x2a0 [ 97.976302] __should_failslab+0x121/0x190 [ 97.980525] should_failslab+0x9/0x14 [ 97.984313] kmem_cache_alloc_trace+0x4b/0x760 [ 97.988886] ? lock_downgrade+0x880/0x880 [ 97.993025] gsm_dlci_alloc+0x4b/0x410 [ 97.996899] gsm_activate_mux+0x201/0x2a0 [ 98.001039] gsmld_open+0x52a/0x7c0 [ 98.004676] ? gsmld_compat_ioctl+0x40/0x40 [ 98.008986] tty_ldisc_open.isra.0+0x89/0xd0 [ 98.013382] tty_set_ldisc+0x2e3/0x690 [ 98.017256] tty_ioctl+0x65e/0x1510 [ 98.020871] ? tty_vhangup+0x30/0x30 [ 98.024571] ? proc_fail_nth_write+0x9d/0x1e0 [ 98.029064] ? proc_cwd_link+0x1d0/0x1d0 [ 98.033124] ? __might_sleep+0x95/0x190 [ 98.037083] ? vfs_write+0x2f0/0x560 [ 98.040783] ? tty_vhangup+0x30/0x30 [ 98.044484] do_vfs_ioctl+0xd5f/0x1380 [ 98.048364] ? selinux_file_ioctl+0x46f/0x5e0 [ 98.052846] ? selinux_file_ioctl+0x125/0x5e0 [ 98.057331] ? ioctl_preallocate+0x210/0x210 [ 98.061725] ? selinux_file_mprotect+0x620/0x620 [ 98.066469] ? __sb_end_write+0xd9/0x110 [ 98.070517] ? vfs_write+0x160/0x560 [ 98.074391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.079928] ? security_file_ioctl+0x8d/0xc0 [ 98.084331] ksys_ioctl+0xab/0xd0 [ 98.087786] __x64_sys_ioctl+0x73/0xb0 [ 98.091670] do_syscall_64+0xfd/0x620 [ 98.095484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.100661] RIP: 0033:0x4412a9 executing program [ 98.103842] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.122738] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 98.130441] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 98.137748] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 98.145007] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 98.152267] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 98.159523] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 98.173445] FAULT_INJECTION: forcing a failure. [ 98.173445] name failslab, interval 1, probability 0, space 0, times 0 [ 98.185320] CPU: 0 PID: 7824 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 98.193115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.202453] Call Trace: [ 98.205035] dump_stack+0x197/0x210 [ 98.208658] should_fail.cold+0xa/0x1b [ 98.212533] ? trace_hardirqs_on+0x67/0x220 [ 98.216962] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 98.222055] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 98.227148] ? gsm_activate_mux+0x1f7/0x2a0 [ 98.231523] __should_failslab+0x121/0x190 [ 98.235746] should_failslab+0x9/0x14 [ 98.239533] kmem_cache_alloc_trace+0x4b/0x760 [ 98.244132] ? lock_downgrade+0x880/0x880 [ 98.248277] gsm_dlci_alloc+0x4b/0x410 [ 98.252167] gsm_activate_mux+0x201/0x2a0 [ 98.256301] gsmld_open+0x52a/0x7c0 [ 98.259914] ? gsmld_compat_ioctl+0x40/0x40 [ 98.264245] tty_ldisc_open.isra.0+0x89/0xd0 [ 98.268652] tty_set_ldisc+0x2e3/0x690 [ 98.272525] tty_ioctl+0x65e/0x1510 [ 98.276139] ? tty_vhangup+0x30/0x30 [ 98.279837] ? proc_fail_nth_write+0x9d/0x1e0 [ 98.284316] ? proc_cwd_link+0x1d0/0x1d0 [ 98.288391] ? __might_sleep+0x95/0x190 [ 98.292358] ? vfs_write+0x2f0/0x560 [ 98.296073] ? tty_vhangup+0x30/0x30 [ 98.299775] do_vfs_ioctl+0xd5f/0x1380 [ 98.303999] ? selinux_file_ioctl+0x46f/0x5e0 [ 98.308493] ? selinux_file_ioctl+0x125/0x5e0 [ 98.312988] ? ioctl_preallocate+0x210/0x210 [ 98.317395] ? selinux_file_mprotect+0x620/0x620 [ 98.322152] ? __sb_end_write+0xd9/0x110 [ 98.326197] ? vfs_write+0x160/0x560 [ 98.329903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.335432] ? security_file_ioctl+0x8d/0xc0 [ 98.339827] ksys_ioctl+0xab/0xd0 [ 98.343269] __x64_sys_ioctl+0x73/0xb0 [ 98.347145] do_syscall_64+0xfd/0x620 [ 98.350937] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.356126] RIP: 0033:0x4412a9 executing program [ 98.359310] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.378210] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 98.385915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 98.393189] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 98.400466] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 98.407721] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 98.414982] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 98.428703] FAULT_INJECTION: forcing a failure. [ 98.428703] name failslab, interval 1, probability 0, space 0, times 0 [ 98.439974] CPU: 1 PID: 7825 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 98.447862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.457199] Call Trace: [ 98.459784] dump_stack+0x197/0x210 [ 98.463407] should_fail.cold+0xa/0x1b [ 98.467284] ? trace_hardirqs_on+0x67/0x220 [ 98.471597] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 98.476687] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 98.481782] ? gsm_activate_mux+0x1f7/0x2a0 [ 98.486105] __should_failslab+0x121/0x190 [ 98.490338] should_failslab+0x9/0x14 [ 98.494660] kmem_cache_alloc_trace+0x4b/0x760 [ 98.499256] ? lock_downgrade+0x880/0x880 [ 98.503450] gsm_dlci_alloc+0x4b/0x410 [ 98.507325] gsm_activate_mux+0x201/0x2a0 [ 98.511460] gsmld_open+0x52a/0x7c0 [ 98.515078] ? gsmld_compat_ioctl+0x40/0x40 [ 98.519392] tty_ldisc_open.isra.0+0x89/0xd0 [ 98.523788] tty_set_ldisc+0x2e3/0x690 [ 98.527674] tty_ioctl+0x65e/0x1510 [ 98.531303] ? tty_vhangup+0x30/0x30 [ 98.535006] ? proc_fail_nth_write+0x9d/0x1e0 [ 98.539490] ? proc_cwd_link+0x1d0/0x1d0 [ 98.543555] ? __might_sleep+0x95/0x190 [ 98.547522] ? vfs_write+0x2f0/0x560 [ 98.551237] ? tty_vhangup+0x30/0x30 [ 98.554960] do_vfs_ioctl+0xd5f/0x1380 [ 98.558838] ? selinux_file_ioctl+0x46f/0x5e0 [ 98.563319] ? selinux_file_ioctl+0x125/0x5e0 [ 98.567802] ? ioctl_preallocate+0x210/0x210 [ 98.572197] ? selinux_file_mprotect+0x620/0x620 [ 98.576950] ? __sb_end_write+0xd9/0x110 [ 98.580997] ? vfs_write+0x160/0x560 [ 98.584727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.590280] ? security_file_ioctl+0x8d/0xc0 [ 98.594696] ksys_ioctl+0xab/0xd0 [ 98.598142] __x64_sys_ioctl+0x73/0xb0 [ 98.602072] do_syscall_64+0xfd/0x620 [ 98.605912] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.611098] RIP: 0033:0x4412a9 executing program [ 98.614304] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.633204] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 98.641019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 98.648279] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 98.655537] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 98.662808] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 98.670072] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 98.684818] FAULT_INJECTION: forcing a failure. [ 98.684818] name failslab, interval 1, probability 0, space 0, times 0 [ 98.696069] CPU: 0 PID: 7826 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 98.703850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.713190] Call Trace: [ 98.715782] dump_stack+0x197/0x210 [ 98.719427] should_fail.cold+0xa/0x1b [ 98.723303] ? trace_hardirqs_on+0x67/0x220 [ 98.727620] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 98.732714] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 98.737822] ? gsm_activate_mux+0x1f7/0x2a0 [ 98.742144] __should_failslab+0x121/0x190 [ 98.746386] should_failslab+0x9/0x14 [ 98.750173] kmem_cache_alloc_trace+0x4b/0x760 [ 98.754757] ? lock_downgrade+0x880/0x880 [ 98.758894] gsm_dlci_alloc+0x4b/0x410 [ 98.762767] gsm_activate_mux+0x201/0x2a0 [ 98.766903] gsmld_open+0x52a/0x7c0 [ 98.770534] ? gsmld_compat_ioctl+0x40/0x40 [ 98.774848] tty_ldisc_open.isra.0+0x89/0xd0 [ 98.779261] tty_set_ldisc+0x2e3/0x690 [ 98.783155] tty_ioctl+0x65e/0x1510 [ 98.786787] ? tty_vhangup+0x30/0x30 [ 98.790488] ? proc_fail_nth_write+0x9d/0x1e0 [ 98.794970] ? proc_cwd_link+0x1d0/0x1d0 [ 98.799032] ? __might_sleep+0x95/0x190 [ 98.803006] ? vfs_write+0x2f0/0x560 [ 98.806707] ? tty_vhangup+0x30/0x30 [ 98.810419] do_vfs_ioctl+0xd5f/0x1380 [ 98.814302] ? selinux_file_ioctl+0x46f/0x5e0 [ 98.818790] ? selinux_file_ioctl+0x125/0x5e0 [ 98.823279] ? ioctl_preallocate+0x210/0x210 [ 98.827856] ? selinux_file_mprotect+0x620/0x620 [ 98.832605] ? __sb_end_write+0xd9/0x110 [ 98.836658] ? vfs_write+0x160/0x560 [ 98.840441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.845982] ? security_file_ioctl+0x8d/0xc0 [ 98.850392] ksys_ioctl+0xab/0xd0 [ 98.853835] __x64_sys_ioctl+0x73/0xb0 [ 98.857715] do_syscall_64+0xfd/0x620 [ 98.861507] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.866687] RIP: 0033:0x4412a9 executing program [ 98.870078] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.888966] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 98.896676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 98.903941] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 98.911203] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 98.918464] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 98.925725] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 98.939867] FAULT_INJECTION: forcing a failure. [ 98.939867] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 98.951681] CPU: 1 PID: 7827 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 98.959515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.968858] Call Trace: [ 98.971448] dump_stack+0x197/0x210 [ 98.975124] should_fail.cold+0xa/0x1b [ 98.981410] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 98.986520] ? __lock_acquire+0x6ee/0x49c0 [ 98.990856] __alloc_pages_nodemask+0x1ee/0x750 [ 98.995532] ? __alloc_pages_slowpath+0x2870/0x2870 [ 99.000549] ? trace_hardirqs_on+0x67/0x220 [ 99.004986] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 99.010248] cache_grow_begin+0x91/0x8c0 [ 99.014310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.019915] ? check_preemption_disabled+0x48/0x290 [ 99.024932] kmem_cache_alloc_trace+0x685/0x760 [ 99.029597] ? lock_downgrade+0x880/0x880 [ 99.033742] gsm_dlci_alloc+0x4b/0x410 [ 99.037625] gsm_activate_mux+0x201/0x2a0 [ 99.041763] gsmld_open+0x52a/0x7c0 [ 99.045512] ? gsmld_compat_ioctl+0x40/0x40 [ 99.049827] tty_ldisc_open.isra.0+0x89/0xd0 [ 99.054244] tty_set_ldisc+0x2e3/0x690 [ 99.058265] tty_ioctl+0x65e/0x1510 [ 99.061903] ? tty_vhangup+0x30/0x30 [ 99.065621] ? proc_fail_nth_write+0x9d/0x1e0 [ 99.070111] ? proc_cwd_link+0x1d0/0x1d0 [ 99.074228] ? __might_sleep+0x95/0x190 [ 99.078198] ? vfs_write+0x2f0/0x560 [ 99.081903] ? tty_vhangup+0x30/0x30 [ 99.085612] do_vfs_ioctl+0xd5f/0x1380 [ 99.089493] ? selinux_file_ioctl+0x46f/0x5e0 [ 99.094106] ? selinux_file_ioctl+0x125/0x5e0 [ 99.098602] ? ioctl_preallocate+0x210/0x210 [ 99.103006] ? selinux_file_mprotect+0x620/0x620 [ 99.107773] ? __sb_end_write+0xd9/0x110 [ 99.111823] ? vfs_write+0x160/0x560 [ 99.115535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.121065] ? security_file_ioctl+0x8d/0xc0 [ 99.125484] ksys_ioctl+0xab/0xd0 [ 99.128937] __x64_sys_ioctl+0x73/0xb0 [ 99.132933] do_syscall_64+0xfd/0x620 [ 99.136732] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.141917] RIP: 0033:0x4412a9 [ 99.145103] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.164000] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 99.171711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 99.178969] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 99.186228] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 99.193494] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 99.200763] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 executing program [ 99.518289] FAULT_INJECTION: forcing a failure. [ 99.518289] name failslab, interval 1, probability 0, space 0, times 0 [ 99.569925] CPU: 1 PID: 7839 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 99.577789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.587159] Call Trace: [ 99.589772] dump_stack+0x197/0x210 [ 99.593435] should_fail.cold+0xa/0x1b [ 99.597354] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 99.602477] ? lock_downgrade+0x880/0x880 [ 99.606659] __should_failslab+0x121/0x190 [ 99.610918] should_failslab+0x9/0x14 [ 99.614733] kmem_cache_alloc_trace+0x2cc/0x760 [ 99.619425] tty_register_device_attr+0x1d0/0x740 [ 99.624287] ? __lockdep_init_map+0x10c/0x5b0 [ 99.628798] ? do_tty_hangup+0x30/0x30 [ 99.632700] ? lockdep_init_map+0x9/0x10 [ 99.636778] ? kasan_check_write+0x14/0x20 [ 99.641171] ? tty_port_init+0x152/0x1b0 [ 99.645249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.650802] tty_register_device+0x2b/0x40 [ 99.655060] gsmld_open+0x594/0x7c0 [ 99.658720] ? gsmld_compat_ioctl+0x40/0x40 [ 99.663055] tty_ldisc_open.isra.0+0x89/0xd0 [ 99.667479] tty_set_ldisc+0x2e3/0x690 [ 99.671379] tty_ioctl+0x65e/0x1510 [ 99.675016] ? tty_vhangup+0x30/0x30 [ 99.678736] ? proc_fail_nth_write+0x9d/0x1e0 [ 99.683386] ? proc_cwd_link+0x1d0/0x1d0 [ 99.687458] ? __might_sleep+0x95/0x190 [ 99.691419] ? vfs_write+0x2f0/0x560 [ 99.695124] ? tty_vhangup+0x30/0x30 [ 99.698830] do_vfs_ioctl+0xd5f/0x1380 [ 99.702720] ? selinux_file_ioctl+0x46f/0x5e0 [ 99.707205] ? selinux_file_ioctl+0x125/0x5e0 [ 99.711692] ? ioctl_preallocate+0x210/0x210 [ 99.716103] ? selinux_file_mprotect+0x620/0x620 [ 99.720847] ? __sb_end_write+0xd9/0x110 [ 99.724898] ? vfs_write+0x160/0x560 [ 99.728605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.734134] ? security_file_ioctl+0x8d/0xc0 [ 99.738546] ksys_ioctl+0xab/0xd0 [ 99.741996] __x64_sys_ioctl+0x73/0xb0 [ 99.745887] do_syscall_64+0xfd/0x620 [ 99.749688] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.754868] RIP: 0033:0x4412a9 [ 99.758054] Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.777055] RSP: 002b:00007ffc559005c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 99.784770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412a9 [ 99.792026] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000005 [ 99.799283] RBP: 00007ffc559005e0 R08: 0000000000000001 R09: 0000000000000000 [ 99.806570] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 99.813826] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 99.857607] kasan: CONFIG_KASAN_INLINE enabled [ 99.862462] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 99.873354] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 99.879617] CPU: 1 PID: 7839 Comm: syz-executor017 Not tainted 4.19.88-syzkaller #0 [ 99.887410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.896802] RIP: 0010:cdev_del+0x28/0xa0 [ 99.900877] Code: 00 00 55 48 89 e5 41 54 49 89 fc 48 83 ec 08 e8 4e c6 bd ff 49 8d 7c 24 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 55 49 [ 99.919788] RSP: 0018:ffff88808ec7fb10 EFLAGS: 00010207 [ 99.925164] RAX: dffffc0000000000 RBX: ffff888219266f00 RCX: ffffffff83a82d06 [ 99.932442] RDX: 000000000000000c RSI: ffffffff81ad7cf2 RDI: 0000000000000064 [ 99.939717] RBP: ffff88808ec7fb20 R08: ffff88807e2100c0 R09: ffff88807e210988 [ 99.946996] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 99.954273] R13: 0000000000000008 R14: ffff8882192ea948 R15: ffff8880a40b14a8 [ 99.961553] FS: 0000000001dc9880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 99.969782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.975660] CR2: 000000000049f6d0 CR3: 00000000999d2000 CR4: 00000000001406e0 [ 99.982936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.990212] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.997568] Call Trace: [ 100.000173] tty_unregister_device+0x117/0x1b0 [ 100.004768] gsmld_close+0xb2/0x188 [ 100.008401] ? gsm_mux_rx_netchar+0x1f0/0x1f0 [ 100.012908] tty_ldisc_close.isra.0+0xaf/0xe0 [ 100.017413] tty_ldisc_kill+0x4b/0xc0 [ 100.021221] tty_ldisc_release+0xc6/0x280 [ 100.025382] tty_release_struct+0x1b/0x50 [ 100.029535] tty_release+0xbcb/0xe90 [ 100.033259] ? tty_release_struct+0x50/0x50 [ 100.037586] __fput+0x2dd/0x8b0 [ 100.040870] ____fput+0x16/0x20 [ 100.044150] task_work_run+0x145/0x1c0 [ 100.048050] do_exit+0x994/0x3080 [ 100.051519] ? mm_update_next_owner+0x660/0x660 [ 100.056191] ? up_read+0x1a/0x110 [ 100.059649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.065194] ? __do_page_fault+0x484/0xe90 [ 100.069438] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.074199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.078959] do_group_exit+0x135/0x370 [ 100.082858] __x64_sys_exit_group+0x44/0x50 [ 100.087191] do_syscall_64+0xfd/0x620 [ 100.091002] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.096192] RIP: 0033:0x43ff18 [ 100.099389] Code: ff 74 5f 89 d8 4c 8d 4c 24 30 4c 8d 05 79 bf 00 00 f7 d8 b9 00 04 00 00 ba 01 00 00 00 89 44 24 08 48 8d 84 24 30 08 00 00 be <00> 04 00 00 48 89 ef 48 89 04 24 31 c0 e8 46 b0 fc ff e9 58 ff ff [ 100.118300] RSP: 002b:00007ffc55900588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 100.126022] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff18 [ 100.133427] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 100.140683] RBP: 00000000004bfc50 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 100.147955] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 100.155220] R13: 00000000006d21a0 R14: 0000000000000000 R15: 0000000000000000 [ 100.162604] Modules linked in: [ 100.166128] ---[ end trace 42473496a43055c8 ]--- [ 100.170919] RIP: 0010:cdev_del+0x28/0xa0 [ 100.175041] Code: 00 00 55 48 89 e5 41 54 49 89 fc 48 83 ec 08 e8 4e c6 bd ff 49 8d 7c 24 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 55 49 [ 100.193976] RSP: 0018:ffff88808ec7fb10 EFLAGS: 00010207 [ 100.199401] RAX: dffffc0000000000 RBX: ffff888219266f00 RCX: ffffffff83a82d06 [ 100.206747] RDX: 000000000000000c RSI: ffffffff81ad7cf2 RDI: 0000000000000064 [ 100.214024] RBP: ffff88808ec7fb20 R08: ffff88807e2100c0 R09: ffff88807e210988 [ 100.221347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 100.228639] R13: 0000000000000008 R14: ffff8882192ea948 R15: ffff8880a40b14a8 [ 100.236087] FS: 0000000001dc9880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 100.244547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.250419] CR2: 000000000049f6d0 CR3: 00000000999d2000 CR4: 00000000001406e0 [ 100.257703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.264981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.272237] Kernel panic - not syncing: Fatal exception [ 100.279010] Kernel Offset: disabled [ 100.282680] Rebooting in 86400 seconds..