Warning: Permanently added '10.128.1.79' (ECDSA) to the list of known hosts. executing program [ 44.297502] FAULT_INJECTION: forcing a failure. [ 44.297502] name failslab, interval 1, probability 0, space 0, times 1 [ 44.308822] CPU: 0 PID: 8123 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 44.316697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 44.326037] Call Trace: [ 44.328904] dump_stack+0x1fc/0x2ef [ 44.332549] should_fail.cold+0xa/0xf [ 44.336344] ? setup_fault_attr+0x200/0x200 [ 44.340744] ? gsm_activate_mux+0x1ea/0x290 [ 44.345057] __should_failslab+0x115/0x180 [ 44.349285] should_failslab+0x5/0x10 [ 44.353073] kmem_cache_alloc_trace+0x46/0x380 [ 44.357646] gsm_dlci_alloc+0x46/0x410 [ 44.361523] gsm_activate_mux+0x1f4/0x290 [ 44.365669] gsmld_open+0x4fa/0x7e0 [ 44.369312] ? gsmld_close+0x1f0/0x1f0 [ 44.373190] tty_ldisc_open+0x81/0xc0 [ 44.376986] tty_set_ldisc+0x2d2/0x650 [ 44.380859] tty_ioctl+0xb4b/0x1630 [ 44.384472] ? tty_fasync+0x300/0x300 [ 44.388271] ? get_pid_task+0xf4/0x190 [ 44.392165] ? proc_fail_nth_write+0x95/0x1d0 [ 44.396663] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.401679] ? mark_held_locks+0xf0/0xf0 [ 44.405860] ? __vfs_write+0xff/0x770 [ 44.409656] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.414720] ? common_file_perm+0x4e5/0x850 [ 44.419037] ? tty_fasync+0x300/0x300 [ 44.422983] do_vfs_ioctl+0xcdb/0x12e0 [ 44.427055] ? vfs_write+0x3d7/0x540 [ 44.430756] ? ioctl_preallocate+0x200/0x200 [ 44.435169] ? lock_downgrade+0x720/0x720 [ 44.439329] ? check_preemption_disabled+0x41/0x280 [ 44.444338] ? vfs_write+0x393/0x540 [ 44.448041] ? ksys_write+0x1c8/0x2a0 [ 44.451915] ksys_ioctl+0x9b/0xc0 [ 44.455379] __x64_sys_ioctl+0x6f/0xb0 [ 44.459260] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.463835] do_syscall_64+0xf9/0x620 [ 44.467630] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.472813] RIP: 0033:0x7fde667f1079 [ 44.476519] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 executing program [ 44.495500] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.503213] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 44.510828] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.518125] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 44.525469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.532915] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.548667] FAULT_INJECTION: forcing a failure. [ 44.548667] name failslab, interval 1, probability 0, space 0, times 0 [ 44.560384] CPU: 0 PID: 8124 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 44.568283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 44.577640] Call Trace: [ 44.580225] dump_stack+0x1fc/0x2ef [ 44.583842] should_fail.cold+0xa/0xf [ 44.587636] ? setup_fault_attr+0x200/0x200 [ 44.591962] ? lock_acquire+0x170/0x3c0 [ 44.595938] __should_failslab+0x115/0x180 [ 44.600176] should_failslab+0x5/0x10 [ 44.603962] __kmalloc+0x2ab/0x3c0 [ 44.607495] ? __kfifo_alloc+0x174/0x290 [ 44.611540] __kfifo_alloc+0x174/0x290 [ 44.615430] gsm_dlci_alloc+0xd4/0x410 [ 44.619327] gsm_activate_mux+0x1f4/0x290 [ 44.623732] gsmld_open+0x4fa/0x7e0 [ 44.627478] ? gsmld_close+0x1f0/0x1f0 [ 44.631421] tty_ldisc_open+0x81/0xc0 [ 44.635267] tty_set_ldisc+0x2d2/0x650 [ 44.639155] tty_ioctl+0xb4b/0x1630 [ 44.642786] ? tty_fasync+0x300/0x300 [ 44.646637] ? get_pid_task+0xf4/0x190 [ 44.650528] ? proc_fail_nth_write+0x95/0x1d0 [ 44.655022] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.659951] ? mark_held_locks+0xf0/0xf0 [ 44.664003] ? __vfs_write+0xff/0x770 [ 44.667796] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.672918] ? common_file_perm+0x4e5/0x850 [ 44.677222] ? tty_fasync+0x300/0x300 [ 44.681009] do_vfs_ioctl+0xcdb/0x12e0 [ 44.684881] ? vfs_write+0x3d7/0x540 [ 44.688595] ? ioctl_preallocate+0x200/0x200 [ 44.692998] ? lock_downgrade+0x720/0x720 [ 44.697150] ? check_preemption_disabled+0x41/0x280 [ 44.702266] ? vfs_write+0x393/0x540 [ 44.705964] ? ksys_write+0x1c8/0x2a0 [ 44.709842] ksys_ioctl+0x9b/0xc0 [ 44.713283] __x64_sys_ioctl+0x6f/0xb0 [ 44.717168] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.721732] do_syscall_64+0xf9/0x620 [ 44.725517] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.730697] RIP: 0033:0x7fde667f1079 executing program [ 44.734425] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 44.753436] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.761146] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 44.768400] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.775654] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 44.782919] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.790170] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.805461] FAULT_INJECTION: forcing a failure. [ 44.805461] name failslab, interval 1, probability 0, space 0, times 0 [ 44.817054] CPU: 0 PID: 8127 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 44.824940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 44.834289] Call Trace: [ 44.836914] dump_stack+0x1fc/0x2ef [ 44.840538] should_fail.cold+0xa/0xf [ 44.844330] ? setup_fault_attr+0x200/0x200 [ 44.848639] ? lock_acquire+0x170/0x3c0 [ 44.852614] __should_failslab+0x115/0x180 [ 44.856836] should_failslab+0x5/0x10 [ 44.860619] __kmalloc+0x2ab/0x3c0 [ 44.864151] ? __kfifo_alloc+0x174/0x290 [ 44.868198] __kfifo_alloc+0x174/0x290 [ 44.872074] gsm_dlci_alloc+0xd4/0x410 [ 44.875961] gsm_activate_mux+0x1f4/0x290 [ 44.880095] gsmld_open+0x4fa/0x7e0 [ 44.883705] ? gsmld_close+0x1f0/0x1f0 [ 44.887577] tty_ldisc_open+0x81/0xc0 [ 44.891358] tty_set_ldisc+0x2d2/0x650 [ 44.895230] tty_ioctl+0xb4b/0x1630 [ 44.898849] ? tty_fasync+0x300/0x300 [ 44.902649] ? get_pid_task+0xf4/0x190 [ 44.906522] ? proc_fail_nth_write+0x95/0x1d0 [ 44.911000] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.915916] ? mark_held_locks+0xf0/0xf0 [ 44.919960] ? __vfs_write+0xff/0x770 [ 44.923754] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.928672] ? common_file_perm+0x4e5/0x850 [ 44.932975] ? tty_fasync+0x300/0x300 [ 44.936852] do_vfs_ioctl+0xcdb/0x12e0 [ 44.940722] ? vfs_write+0x3d7/0x540 [ 44.944434] ? ioctl_preallocate+0x200/0x200 [ 44.948838] ? lock_downgrade+0x720/0x720 [ 44.952973] ? check_preemption_disabled+0x41/0x280 [ 44.958119] ? vfs_write+0x393/0x540 [ 44.961825] ? ksys_write+0x1c8/0x2a0 [ 44.965624] ksys_ioctl+0x9b/0xc0 [ 44.969079] __x64_sys_ioctl+0x6f/0xb0 [ 44.972956] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.977531] do_syscall_64+0xf9/0x620 [ 44.981314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.986487] RIP: 0033:0x7fde667f1079 executing program [ 44.990183] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.009079] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.016775] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 45.024027] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.031280] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 45.038531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.045784] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.059943] FAULT_INJECTION: forcing a failure. [ 45.059943] name failslab, interval 1, probability 0, space 0, times 0 [ 45.071527] CPU: 0 PID: 8128 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 45.079413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 45.088754] Call Trace: [ 45.091325] dump_stack+0x1fc/0x2ef [ 45.094949] should_fail.cold+0xa/0xf [ 45.098733] ? setup_fault_attr+0x200/0x200 [ 45.103044] ? lock_acquire+0x170/0x3c0 [ 45.107010] __should_failslab+0x115/0x180 [ 45.111227] should_failslab+0x5/0x10 [ 45.115193] __kmalloc+0x2ab/0x3c0 [ 45.118722] ? __kfifo_alloc+0x174/0x290 [ 45.122779] __kfifo_alloc+0x174/0x290 [ 45.126755] gsm_dlci_alloc+0xd4/0x410 [ 45.130632] gsm_activate_mux+0x1f4/0x290 [ 45.134775] gsmld_open+0x4fa/0x7e0 [ 45.138384] ? gsmld_close+0x1f0/0x1f0 [ 45.142264] tty_ldisc_open+0x81/0xc0 [ 45.146489] tty_set_ldisc+0x2d2/0x650 [ 45.150383] tty_ioctl+0xb4b/0x1630 [ 45.154027] ? tty_fasync+0x300/0x300 [ 45.157825] ? get_pid_task+0xf4/0x190 [ 45.161796] ? proc_fail_nth_write+0x95/0x1d0 [ 45.166277] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.171188] ? mark_held_locks+0xf0/0xf0 [ 45.175241] ? __vfs_write+0xff/0x770 [ 45.179022] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.183946] ? common_file_perm+0x4e5/0x850 [ 45.188276] ? tty_fasync+0x300/0x300 [ 45.192072] do_vfs_ioctl+0xcdb/0x12e0 [ 45.195960] ? vfs_write+0x3d7/0x540 [ 45.199669] ? ioctl_preallocate+0x200/0x200 [ 45.204064] ? lock_downgrade+0x720/0x720 [ 45.208202] ? check_preemption_disabled+0x41/0x280 [ 45.213204] ? vfs_write+0x393/0x540 [ 45.216901] ? ksys_write+0x1c8/0x2a0 [ 45.220684] ksys_ioctl+0x9b/0xc0 [ 45.224133] __x64_sys_ioctl+0x6f/0xb0 [ 45.228092] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.232658] do_syscall_64+0xf9/0x620 [ 45.236453] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.241633] RIP: 0033:0x7fde667f1079 executing program [ 45.245332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.264313] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.272095] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 45.279348] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.286604] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 45.293855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.301107] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.315379] FAULT_INJECTION: forcing a failure. [ 45.315379] name failslab, interval 1, probability 0, space 0, times 0 [ 45.326994] CPU: 0 PID: 8129 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 45.334879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 45.344218] Call Trace: [ 45.346814] dump_stack+0x1fc/0x2ef [ 45.350550] should_fail.cold+0xa/0xf [ 45.354452] ? setup_fault_attr+0x200/0x200 [ 45.358769] ? lock_acquire+0x170/0x3c0 [ 45.362735] __should_failslab+0x115/0x180 [ 45.366962] should_failslab+0x5/0x10 [ 45.370790] __kmalloc+0x2ab/0x3c0 [ 45.374326] ? __kfifo_alloc+0x174/0x290 [ 45.378375] __kfifo_alloc+0x174/0x290 [ 45.382278] gsm_dlci_alloc+0xd4/0x410 [ 45.386162] gsm_activate_mux+0x1f4/0x290 [ 45.390297] gsmld_open+0x4fa/0x7e0 [ 45.393923] ? gsmld_close+0x1f0/0x1f0 [ 45.397800] tty_ldisc_open+0x81/0xc0 [ 45.401603] tty_set_ldisc+0x2d2/0x650 [ 45.405474] tty_ioctl+0xb4b/0x1630 [ 45.409268] ? tty_fasync+0x300/0x300 [ 45.413052] ? get_pid_task+0xf4/0x190 [ 45.416925] ? proc_fail_nth_write+0x95/0x1d0 [ 45.421408] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.426325] ? mark_held_locks+0xf0/0xf0 [ 45.430373] ? __vfs_write+0xff/0x770 [ 45.434164] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.439099] ? common_file_perm+0x4e5/0x850 [ 45.443416] ? tty_fasync+0x300/0x300 [ 45.447198] do_vfs_ioctl+0xcdb/0x12e0 [ 45.451067] ? vfs_write+0x3d7/0x540 [ 45.454764] ? ioctl_preallocate+0x200/0x200 [ 45.459184] ? lock_downgrade+0x720/0x720 [ 45.463350] ? check_preemption_disabled+0x41/0x280 [ 45.468378] ? vfs_write+0x393/0x540 [ 45.472083] ? ksys_write+0x1c8/0x2a0 [ 45.475869] ksys_ioctl+0x9b/0xc0 [ 45.479397] __x64_sys_ioctl+0x6f/0xb0 [ 45.483274] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.487840] do_syscall_64+0xf9/0x620 [ 45.491626] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.496798] RIP: 0033:0x7fde667f1079 executing program [ 45.500493] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.519378] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.527082] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 45.534512] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.541773] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 45.549033] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.556289] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.570500] FAULT_INJECTION: forcing a failure. [ 45.570500] name failslab, interval 1, probability 0, space 0, times 0 [ 45.581854] CPU: 0 PID: 8130 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 45.589736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 45.599073] Call Trace: [ 45.601648] dump_stack+0x1fc/0x2ef [ 45.605262] should_fail.cold+0xa/0xf [ 45.609045] ? setup_fault_attr+0x200/0x200 [ 45.613350] ? lock_acquire+0x170/0x3c0 [ 45.617309] __should_failslab+0x115/0x180 [ 45.621531] should_failslab+0x5/0x10 [ 45.625313] __kmalloc+0x2ab/0x3c0 [ 45.628837] ? __kfifo_alloc+0x174/0x290 [ 45.632896] __kfifo_alloc+0x174/0x290 [ 45.636768] gsm_dlci_alloc+0xd4/0x410 [ 45.640638] gsm_activate_mux+0x1f4/0x290 [ 45.644769] gsmld_open+0x4fa/0x7e0 [ 45.648390] ? gsmld_close+0x1f0/0x1f0 [ 45.652618] tty_ldisc_open+0x81/0xc0 [ 45.656422] tty_set_ldisc+0x2d2/0x650 [ 45.660300] tty_ioctl+0xb4b/0x1630 [ 45.663935] ? tty_fasync+0x300/0x300 [ 45.667733] ? get_pid_task+0xf4/0x190 [ 45.671607] ? proc_fail_nth_write+0x95/0x1d0 [ 45.676089] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.681005] ? mark_held_locks+0xf0/0xf0 [ 45.685051] ? __vfs_write+0xff/0x770 [ 45.688834] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.693753] ? common_file_perm+0x4e5/0x850 [ 45.698076] ? tty_fasync+0x300/0x300 [ 45.701862] do_vfs_ioctl+0xcdb/0x12e0 [ 45.705734] ? vfs_write+0x3d7/0x540 [ 45.709448] ? ioctl_preallocate+0x200/0x200 [ 45.713938] ? lock_downgrade+0x720/0x720 [ 45.718072] ? check_preemption_disabled+0x41/0x280 [ 45.723073] ? vfs_write+0x393/0x540 [ 45.726803] ? ksys_write+0x1c8/0x2a0 [ 45.730585] ksys_ioctl+0x9b/0xc0 [ 45.734019] __x64_sys_ioctl+0x6f/0xb0 [ 45.737891] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.742469] do_syscall_64+0xf9/0x620 [ 45.746264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.751440] RIP: 0033:0x7fde667f1079 executing program [ 45.755138] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.774107] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.781794] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 45.789044] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.796296] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 45.803644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.810907] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.824974] FAULT_INJECTION: forcing a failure. [ 45.824974] name failslab, interval 1, probability 0, space 0, times 0 [ 45.836311] CPU: 0 PID: 8131 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 45.844202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 45.853539] Call Trace: [ 45.856115] dump_stack+0x1fc/0x2ef [ 45.859735] should_fail.cold+0xa/0xf [ 45.863607] ? setup_fault_attr+0x200/0x200 [ 45.867909] ? lock_acquire+0x170/0x3c0 [ 45.871881] __should_failslab+0x115/0x180 [ 45.876105] should_failslab+0x5/0x10 [ 45.879886] __kmalloc+0x2ab/0x3c0 [ 45.883422] ? __kfifo_alloc+0x174/0x290 [ 45.887465] __kfifo_alloc+0x174/0x290 [ 45.891345] gsm_dlci_alloc+0xd4/0x410 [ 45.895235] gsm_activate_mux+0x1f4/0x290 [ 45.899378] gsmld_open+0x4fa/0x7e0 [ 45.902991] ? gsmld_close+0x1f0/0x1f0 [ 45.906860] tty_ldisc_open+0x81/0xc0 [ 45.910655] tty_set_ldisc+0x2d2/0x650 [ 45.914524] tty_ioctl+0xb4b/0x1630 [ 45.918135] ? tty_fasync+0x300/0x300 [ 45.922006] ? get_pid_task+0xf4/0x190 [ 45.925876] ? proc_fail_nth_write+0x95/0x1d0 [ 45.930700] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.935619] ? mark_held_locks+0xf0/0xf0 [ 45.939670] ? __vfs_write+0xff/0x770 [ 45.943462] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.948375] ? common_file_perm+0x4e5/0x850 [ 45.952684] ? tty_fasync+0x300/0x300 [ 45.956476] do_vfs_ioctl+0xcdb/0x12e0 [ 45.960347] ? vfs_write+0x3d7/0x540 [ 45.964043] ? ioctl_preallocate+0x200/0x200 [ 45.968436] ? lock_downgrade+0x720/0x720 [ 45.972568] ? check_preemption_disabled+0x41/0x280 [ 45.977568] ? vfs_write+0x393/0x540 [ 45.981273] ? ksys_write+0x1c8/0x2a0 [ 45.985061] ksys_ioctl+0x9b/0xc0 [ 45.988498] __x64_sys_ioctl+0x6f/0xb0 [ 45.992368] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.996935] do_syscall_64+0xf9/0x620 [ 46.000816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.006003] RIP: 0033:0x7fde667f1079 executing program [ 46.009705] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.028585] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.037232] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 46.044481] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.051730] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 46.058992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.066244] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.080378] FAULT_INJECTION: forcing a failure. [ 46.080378] name failslab, interval 1, probability 0, space 0, times 0 [ 46.091947] CPU: 0 PID: 8132 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 46.099941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 46.109387] Call Trace: [ 46.111998] dump_stack+0x1fc/0x2ef [ 46.115615] should_fail.cold+0xa/0xf [ 46.119402] ? setup_fault_attr+0x200/0x200 [ 46.123712] ? lock_acquire+0x170/0x3c0 [ 46.127670] __should_failslab+0x115/0x180 [ 46.131900] should_failslab+0x5/0x10 [ 46.135686] __kmalloc+0x2ab/0x3c0 [ 46.139218] ? __kfifo_alloc+0x174/0x290 [ 46.143354] __kfifo_alloc+0x174/0x290 [ 46.147240] gsm_dlci_alloc+0xd4/0x410 [ 46.151132] gsm_activate_mux+0x1f4/0x290 [ 46.155282] gsmld_open+0x4fa/0x7e0 [ 46.159002] ? gsmld_close+0x1f0/0x1f0 [ 46.162901] tty_ldisc_open+0x81/0xc0 [ 46.166693] tty_set_ldisc+0x2d2/0x650 [ 46.170569] tty_ioctl+0xb4b/0x1630 [ 46.174205] ? tty_fasync+0x300/0x300 [ 46.177993] ? get_pid_task+0xf4/0x190 [ 46.181881] ? proc_fail_nth_write+0x95/0x1d0 [ 46.186361] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.191329] ? mark_held_locks+0xf0/0xf0 [ 46.195389] ? __vfs_write+0xff/0x770 [ 46.199180] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.204117] ? common_file_perm+0x4e5/0x850 [ 46.208422] ? tty_fasync+0x300/0x300 [ 46.212208] do_vfs_ioctl+0xcdb/0x12e0 [ 46.216192] ? vfs_write+0x3d7/0x540 [ 46.219904] ? ioctl_preallocate+0x200/0x200 [ 46.224300] ? lock_downgrade+0x720/0x720 [ 46.228432] ? check_preemption_disabled+0x41/0x280 [ 46.233446] ? vfs_write+0x393/0x540 [ 46.237142] ? ksys_write+0x1c8/0x2a0 [ 46.240937] ksys_ioctl+0x9b/0xc0 [ 46.244376] __x64_sys_ioctl+0x6f/0xb0 [ 46.248255] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.252827] do_syscall_64+0xf9/0x620 [ 46.256610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.261803] RIP: 0033:0x7fde667f1079 executing program [ 46.265682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.284597] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.292393] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 46.299736] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.306999] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 46.314271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.321528] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.335955] FAULT_INJECTION: forcing a failure. [ 46.335955] name failslab, interval 1, probability 0, space 0, times 0 [ 46.347510] CPU: 0 PID: 8133 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 46.355477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 46.364823] Call Trace: [ 46.367412] dump_stack+0x1fc/0x2ef [ 46.371036] should_fail.cold+0xa/0xf [ 46.374936] ? setup_fault_attr+0x200/0x200 [ 46.379286] ? lock_acquire+0x170/0x3c0 [ 46.383282] __should_failslab+0x115/0x180 [ 46.387521] should_failslab+0x5/0x10 [ 46.391313] __kmalloc+0x2ab/0x3c0 [ 46.394854] ? __kfifo_alloc+0x174/0x290 [ 46.398916] __kfifo_alloc+0x174/0x290 [ 46.402798] gsm_dlci_alloc+0xd4/0x410 [ 46.406691] gsm_activate_mux+0x1f4/0x290 [ 46.410824] gsmld_open+0x4fa/0x7e0 [ 46.414440] ? gsmld_close+0x1f0/0x1f0 [ 46.418315] tty_ldisc_open+0x81/0xc0 [ 46.422116] tty_set_ldisc+0x2d2/0x650 [ 46.426039] tty_ioctl+0xb4b/0x1630 [ 46.429665] ? tty_fasync+0x300/0x300 [ 46.433454] ? get_pid_task+0xf4/0x190 [ 46.437356] ? proc_fail_nth_write+0x95/0x1d0 [ 46.441938] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.446856] ? mark_held_locks+0xf0/0xf0 [ 46.450905] ? __vfs_write+0xff/0x770 [ 46.454724] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.460112] ? common_file_perm+0x4e5/0x850 [ 46.464432] ? tty_fasync+0x300/0x300 [ 46.468320] do_vfs_ioctl+0xcdb/0x12e0 [ 46.472197] ? vfs_write+0x3d7/0x540 [ 46.475897] ? ioctl_preallocate+0x200/0x200 [ 46.480390] ? lock_downgrade+0x720/0x720 [ 46.484544] ? check_preemption_disabled+0x41/0x280 [ 46.489551] ? vfs_write+0x393/0x540 [ 46.493269] ? ksys_write+0x1c8/0x2a0 [ 46.497054] ksys_ioctl+0x9b/0xc0 [ 46.500508] __x64_sys_ioctl+0x6f/0xb0 [ 46.504394] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.508969] do_syscall_64+0xf9/0x620 [ 46.512768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.517967] RIP: 0033:0x7fde667f1079 executing program [ 46.521753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.540914] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.548807] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 46.556062] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.563336] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 46.570600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.577873] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.592032] FAULT_INJECTION: forcing a failure. [ 46.592032] name failslab, interval 1, probability 0, space 0, times 0 [ 46.603553] CPU: 0 PID: 8134 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 46.611444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 46.620800] Call Trace: [ 46.623378] dump_stack+0x1fc/0x2ef [ 46.626995] should_fail.cold+0xa/0xf [ 46.630799] ? setup_fault_attr+0x200/0x200 [ 46.635113] ? lock_acquire+0x170/0x3c0 [ 46.639079] __should_failslab+0x115/0x180 [ 46.643314] should_failslab+0x5/0x10 [ 46.647098] __kmalloc+0x2ab/0x3c0 [ 46.650625] ? __kfifo_alloc+0x174/0x290 [ 46.654671] __kfifo_alloc+0x174/0x290 [ 46.658548] gsm_dlci_alloc+0xd4/0x410 [ 46.662426] gsm_activate_mux+0x1f4/0x290 [ 46.666559] gsmld_open+0x4fa/0x7e0 [ 46.670185] ? gsmld_close+0x1f0/0x1f0 [ 46.674056] tty_ldisc_open+0x81/0xc0 [ 46.677843] tty_set_ldisc+0x2d2/0x650 [ 46.681721] tty_ioctl+0xb4b/0x1630 [ 46.685334] ? tty_fasync+0x300/0x300 [ 46.689131] ? get_pid_task+0xf4/0x190 [ 46.693003] ? proc_fail_nth_write+0x95/0x1d0 [ 46.697490] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.702413] ? mark_held_locks+0xf0/0xf0 [ 46.706461] ? __vfs_write+0xff/0x770 [ 46.710344] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.715258] ? common_file_perm+0x4e5/0x850 [ 46.719575] ? tty_fasync+0x300/0x300 [ 46.723412] do_vfs_ioctl+0xcdb/0x12e0 [ 46.727288] ? vfs_write+0x3d7/0x540 [ 46.730989] ? ioctl_preallocate+0x200/0x200 [ 46.735410] ? lock_downgrade+0x720/0x720 [ 46.739735] ? check_preemption_disabled+0x41/0x280 [ 46.744755] ? vfs_write+0x393/0x540 [ 46.748467] ? ksys_write+0x1c8/0x2a0 [ 46.752373] ksys_ioctl+0x9b/0xc0 [ 46.755905] __x64_sys_ioctl+0x6f/0xb0 [ 46.759783] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.764369] do_syscall_64+0xf9/0x620 [ 46.768166] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.773340] RIP: 0033:0x7fde667f1079 executing program [ 46.777038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.795925] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.803730] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 46.810992] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.818271] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 46.825541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.832805] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.846946] FAULT_INJECTION: forcing a failure. [ 46.846946] name failslab, interval 1, probability 0, space 0, times 0 [ 46.858469] CPU: 0 PID: 8135 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 46.866437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 46.875776] Call Trace: [ 46.878354] dump_stack+0x1fc/0x2ef [ 46.881967] should_fail.cold+0xa/0xf [ 46.885854] ? setup_fault_attr+0x200/0x200 [ 46.890160] ? lock_acquire+0x170/0x3c0 [ 46.894149] __should_failslab+0x115/0x180 [ 46.898372] should_failslab+0x5/0x10 [ 46.902157] __kmalloc+0x2ab/0x3c0 [ 46.905682] ? __kfifo_alloc+0x174/0x290 [ 46.909831] __kfifo_alloc+0x174/0x290 [ 46.915722] gsm_dlci_alloc+0xd4/0x410 [ 46.919596] gsm_activate_mux+0x1f4/0x290 [ 46.923727] gsmld_open+0x4fa/0x7e0 [ 46.927340] ? gsmld_close+0x1f0/0x1f0 [ 46.931218] tty_ldisc_open+0x81/0xc0 [ 46.935004] tty_set_ldisc+0x2d2/0x650 [ 46.938885] tty_ioctl+0xb4b/0x1630 [ 46.942510] ? tty_fasync+0x300/0x300 [ 46.946303] ? get_pid_task+0xf4/0x190 [ 46.950176] ? proc_fail_nth_write+0x95/0x1d0 [ 46.954655] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.959571] ? mark_held_locks+0xf0/0xf0 [ 46.963621] ? __vfs_write+0xff/0x770 [ 46.967408] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.972327] ? common_file_perm+0x4e5/0x850 [ 46.976634] ? tty_fasync+0x300/0x300 [ 46.980428] do_vfs_ioctl+0xcdb/0x12e0 [ 46.984328] ? vfs_write+0x3d7/0x540 [ 46.988025] ? ioctl_preallocate+0x200/0x200 [ 46.992432] ? lock_downgrade+0x720/0x720 [ 46.996583] ? check_preemption_disabled+0x41/0x280 [ 47.001600] ? vfs_write+0x393/0x540 [ 47.005492] ? ksys_write+0x1c8/0x2a0 [ 47.009279] ksys_ioctl+0x9b/0xc0 [ 47.012720] __x64_sys_ioctl+0x6f/0xb0 [ 47.016608] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 47.021192] do_syscall_64+0xf9/0x620 [ 47.024988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.030171] RIP: 0033:0x7fde667f1079 executing program [ 47.033881] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.052949] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.060650] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 47.068079] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.075336] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 47.082615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.089896] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.104271] FAULT_INJECTION: forcing a failure. [ 47.104271] name failslab, interval 1, probability 0, space 0, times 0 [ 47.115853] CPU: 0 PID: 8136 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 47.123743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 47.133268] Call Trace: [ 47.135863] dump_stack+0x1fc/0x2ef [ 47.139484] should_fail.cold+0xa/0xf [ 47.143278] ? setup_fault_attr+0x200/0x200 [ 47.147600] ? lock_acquire+0x170/0x3c0 [ 47.151652] __should_failslab+0x115/0x180 [ 47.155872] should_failslab+0x5/0x10 [ 47.159663] __kmalloc+0x2ab/0x3c0 [ 47.163196] ? __kfifo_alloc+0x174/0x290 [ 47.167243] __kfifo_alloc+0x174/0x290 [ 47.171115] gsm_dlci_alloc+0xd4/0x410 [ 47.174986] gsm_activate_mux+0x1f4/0x290 [ 47.179203] gsmld_open+0x4fa/0x7e0 [ 47.182949] ? gsmld_close+0x1f0/0x1f0 [ 47.186830] tty_ldisc_open+0x81/0xc0 [ 47.190790] tty_set_ldisc+0x2d2/0x650 [ 47.194686] tty_ioctl+0xb4b/0x1630 [ 47.198473] ? tty_fasync+0x300/0x300 [ 47.202262] ? get_pid_task+0xf4/0x190 [ 47.206135] ? proc_fail_nth_write+0x95/0x1d0 [ 47.210612] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.215537] ? mark_held_locks+0xf0/0xf0 [ 47.219584] ? __vfs_write+0xff/0x770 [ 47.223381] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.228296] ? common_file_perm+0x4e5/0x850 [ 47.232607] ? tty_fasync+0x300/0x300 [ 47.236390] do_vfs_ioctl+0xcdb/0x12e0 [ 47.240292] ? vfs_write+0x3d7/0x540 [ 47.243993] ? ioctl_preallocate+0x200/0x200 [ 47.248386] ? lock_downgrade+0x720/0x720 [ 47.252529] ? check_preemption_disabled+0x41/0x280 [ 47.257536] ? vfs_write+0x393/0x540 [ 47.261347] ? ksys_write+0x1c8/0x2a0 [ 47.265141] ksys_ioctl+0x9b/0xc0 [ 47.268591] __x64_sys_ioctl+0x6f/0xb0 [ 47.272464] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 47.277034] do_syscall_64+0xf9/0x620 [ 47.280835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.286014] RIP: 0033:0x7fde667f1079 executing program [ 47.289721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.308606] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.316299] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 47.323553] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.330808] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 47.338083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.345338] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.359701] FAULT_INJECTION: forcing a failure. [ 47.359701] name failslab, interval 1, probability 0, space 0, times 0 [ 47.371083] CPU: 0 PID: 8137 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 47.379231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 47.388792] Call Trace: [ 47.391382] dump_stack+0x1fc/0x2ef [ 47.395001] should_fail.cold+0xa/0xf [ 47.398799] ? setup_fault_attr+0x200/0x200 [ 47.403128] ? lock_acquire+0x170/0x3c0 [ 47.407096] __should_failslab+0x115/0x180 [ 47.411407] should_failslab+0x5/0x10 [ 47.415194] __kmalloc+0x2ab/0x3c0 [ 47.418724] ? __kfifo_alloc+0x174/0x290 [ 47.423044] __kfifo_alloc+0x174/0x290 [ 47.426921] gsm_dlci_alloc+0xd4/0x410 [ 47.430813] gsm_activate_mux+0x1f4/0x290 [ 47.434945] gsmld_open+0x4fa/0x7e0 [ 47.438556] ? gsmld_close+0x1f0/0x1f0 [ 47.442440] tty_ldisc_open+0x81/0xc0 [ 47.446324] tty_set_ldisc+0x2d2/0x650 [ 47.450283] tty_ioctl+0xb4b/0x1630 [ 47.454863] ? tty_fasync+0x300/0x300 [ 47.458649] ? get_pid_task+0xf4/0x190 [ 47.462549] ? proc_fail_nth_write+0x95/0x1d0 [ 47.467050] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.471995] ? mark_held_locks+0xf0/0xf0 [ 47.476131] ? __vfs_write+0xff/0x770 [ 47.479981] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.484908] ? common_file_perm+0x4e5/0x850 [ 47.489334] ? tty_fasync+0x300/0x300 [ 47.493136] do_vfs_ioctl+0xcdb/0x12e0 [ 47.497012] ? vfs_write+0x3d7/0x540 [ 47.500714] ? ioctl_preallocate+0x200/0x200 [ 47.505116] ? lock_downgrade+0x720/0x720 [ 47.509252] ? check_preemption_disabled+0x41/0x280 [ 47.514258] ? vfs_write+0x393/0x540 [ 47.517965] ? ksys_write+0x1c8/0x2a0 [ 47.521752] ksys_ioctl+0x9b/0xc0 [ 47.525195] __x64_sys_ioctl+0x6f/0xb0 [ 47.529083] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 47.533850] do_syscall_64+0xf9/0x620 [ 47.537656] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.542833] RIP: 0033:0x7fde667f1079 executing program [ 47.546553] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.565614] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.573326] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 47.580595] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.587852] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 47.595132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.602397] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.616440] FAULT_INJECTION: forcing a failure. [ 47.616440] name failslab, interval 1, probability 0, space 0, times 0 [ 47.627882] CPU: 0 PID: 8138 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 47.635791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 47.645152] Call Trace: [ 47.647777] dump_stack+0x1fc/0x2ef [ 47.651410] should_fail.cold+0xa/0xf [ 47.655231] ? setup_fault_attr+0x200/0x200 [ 47.659542] ? lock_acquire+0x170/0x3c0 [ 47.663507] __should_failslab+0x115/0x180 [ 47.667732] should_failslab+0x5/0x10 [ 47.671521] __kmalloc+0x2ab/0x3c0 [ 47.675051] ? __kfifo_alloc+0x174/0x290 [ 47.679105] __kfifo_alloc+0x174/0x290 [ 47.683071] gsm_dlci_alloc+0xd4/0x410 [ 47.686960] gsm_activate_mux+0x1f4/0x290 [ 47.691092] gsmld_open+0x4fa/0x7e0 [ 47.694703] ? gsmld_close+0x1f0/0x1f0 [ 47.699008] tty_ldisc_open+0x81/0xc0 [ 47.702791] tty_set_ldisc+0x2d2/0x650 [ 47.707273] tty_ioctl+0xb4b/0x1630 [ 47.711087] ? tty_fasync+0x300/0x300 [ 47.714877] ? get_pid_task+0xf4/0x190 [ 47.718750] ? proc_fail_nth_write+0x95/0x1d0 [ 47.723232] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.728174] ? mark_held_locks+0xf0/0xf0 [ 47.732228] ? __vfs_write+0xff/0x770 [ 47.736023] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.741112] ? common_file_perm+0x4e5/0x850 [ 47.745433] ? tty_fasync+0x300/0x300 [ 47.749217] do_vfs_ioctl+0xcdb/0x12e0 [ 47.753214] ? vfs_write+0x3d7/0x540 [ 47.756952] ? ioctl_preallocate+0x200/0x200 [ 47.761354] ? lock_downgrade+0x720/0x720 [ 47.765519] ? check_preemption_disabled+0x41/0x280 [ 47.770527] ? vfs_write+0x393/0x540 [ 47.774316] ? ksys_write+0x1c8/0x2a0 [ 47.778105] ksys_ioctl+0x9b/0xc0 [ 47.781554] __x64_sys_ioctl+0x6f/0xb0 [ 47.785430] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 47.790010] do_syscall_64+0xf9/0x620 [ 47.793815] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.798988] RIP: 0033:0x7fde667f1079 executing program [ 47.802687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.821572] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.829262] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 47.836515] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.843785] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 47.851038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.858291] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.872682] FAULT_INJECTION: forcing a failure. [ 47.872682] name failslab, interval 1, probability 0, space 0, times 0 [ 47.884032] CPU: 0 PID: 8139 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 47.891923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 47.901264] Call Trace: [ 47.904212] dump_stack+0x1fc/0x2ef [ 47.907842] should_fail.cold+0xa/0xf [ 47.911817] ? setup_fault_attr+0x200/0x200 [ 47.916131] ? lock_acquire+0x170/0x3c0 [ 47.920357] __should_failslab+0x115/0x180 [ 47.924618] should_failslab+0x5/0x10 [ 47.928419] __kmalloc+0x2ab/0x3c0 [ 47.931979] ? __kfifo_alloc+0x174/0x290 [ 47.936047] __kfifo_alloc+0x174/0x290 [ 47.939943] gsm_dlci_alloc+0xd4/0x410 [ 47.943840] gsm_activate_mux+0x1f4/0x290 [ 47.947988] gsmld_open+0x4fa/0x7e0 [ 47.951615] ? gsmld_close+0x1f0/0x1f0 [ 47.955488] tty_ldisc_open+0x81/0xc0 [ 47.959278] tty_set_ldisc+0x2d2/0x650 [ 47.963279] tty_ioctl+0xb4b/0x1630 [ 47.966918] ? tty_fasync+0x300/0x300 [ 47.970712] ? get_pid_task+0xf4/0x190 [ 47.974596] ? proc_fail_nth_write+0x95/0x1d0 [ 47.979456] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.984393] ? mark_held_locks+0xf0/0xf0 [ 47.988470] ? __vfs_write+0xff/0x770 [ 47.992255] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.997190] ? common_file_perm+0x4e5/0x850 [ 48.001514] ? tty_fasync+0x300/0x300 [ 48.005298] do_vfs_ioctl+0xcdb/0x12e0 [ 48.009192] ? vfs_write+0x3d7/0x540 [ 48.012910] ? ioctl_preallocate+0x200/0x200 [ 48.017302] ? lock_downgrade+0x720/0x720 [ 48.021437] ? check_preemption_disabled+0x41/0x280 [ 48.026612] ? vfs_write+0x393/0x540 [ 48.030309] ? ksys_write+0x1c8/0x2a0 [ 48.034109] ksys_ioctl+0x9b/0xc0 [ 48.037548] __x64_sys_ioctl+0x6f/0xb0 [ 48.041434] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 48.046008] do_syscall_64+0xf9/0x620 [ 48.049824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.054997] RIP: 0033:0x7fde667f1079 executing program [ 48.058698] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.078031] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.085720] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 48.092973] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 48.100439] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.107692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 48.114949] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.130129] FAULT_INJECTION: forcing a failure. [ 48.130129] name failslab, interval 1, probability 0, space 0, times 0 [ 48.141477] CPU: 0 PID: 8140 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 48.149348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 48.158696] Call Trace: [ 48.161304] dump_stack+0x1fc/0x2ef [ 48.164918] should_fail.cold+0xa/0xf [ 48.168703] ? setup_fault_attr+0x200/0x200 [ 48.173029] ? lock_acquire+0x170/0x3c0 [ 48.176991] __should_failslab+0x115/0x180 [ 48.181213] should_failslab+0x5/0x10 [ 48.184995] __kmalloc+0x2ab/0x3c0 [ 48.188517] ? __kfifo_alloc+0x174/0x290 [ 48.192648] __kfifo_alloc+0x174/0x290 [ 48.196523] gsm_dlci_alloc+0xd4/0x410 [ 48.200509] gsm_activate_mux+0x1f4/0x290 [ 48.204642] gsmld_open+0x4fa/0x7e0 [ 48.208271] ? gsmld_close+0x1f0/0x1f0 [ 48.212153] tty_ldisc_open+0x81/0xc0 [ 48.216039] tty_set_ldisc+0x2d2/0x650 [ 48.219926] tty_ioctl+0xb4b/0x1630 [ 48.223537] ? tty_fasync+0x300/0x300 [ 48.227338] ? get_pid_task+0xf4/0x190 [ 48.231212] ? proc_fail_nth_write+0x95/0x1d0 [ 48.235708] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.240822] ? mark_held_locks+0xf0/0xf0 [ 48.244883] ? __vfs_write+0xff/0x770 [ 48.248666] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.253600] ? common_file_perm+0x4e5/0x850 [ 48.257905] ? tty_fasync+0x300/0x300 [ 48.261692] do_vfs_ioctl+0xcdb/0x12e0 [ 48.265651] ? vfs_write+0x3d7/0x540 [ 48.269366] ? ioctl_preallocate+0x200/0x200 [ 48.273765] ? lock_downgrade+0x720/0x720 [ 48.277989] ? check_preemption_disabled+0x41/0x280 [ 48.282993] ? vfs_write+0x393/0x540 [ 48.286698] ? ksys_write+0x1c8/0x2a0 [ 48.290510] ksys_ioctl+0x9b/0xc0 [ 48.293979] __x64_sys_ioctl+0x6f/0xb0 [ 48.297856] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 48.302445] do_syscall_64+0xf9/0x620 [ 48.306386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.311586] RIP: 0033:0x7fde667f1079 executing program [ 48.315494] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.334381] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.342169] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 48.349536] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 48.356991] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.364251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 48.371516] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.385995] FAULT_INJECTION: forcing a failure. [ 48.385995] name failslab, interval 1, probability 0, space 0, times 0 [ 48.397514] CPU: 0 PID: 8141 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 48.405577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 48.414920] Call Trace: [ 48.417500] dump_stack+0x1fc/0x2ef [ 48.421123] should_fail.cold+0xa/0xf [ 48.424914] ? setup_fault_attr+0x200/0x200 [ 48.429240] ? lock_acquire+0x170/0x3c0 [ 48.433294] __should_failslab+0x115/0x180 [ 48.438078] should_failslab+0x5/0x10 [ 48.442162] __kmalloc+0x2ab/0x3c0 [ 48.445701] ? __kfifo_alloc+0x174/0x290 [ 48.449762] __kfifo_alloc+0x174/0x290 [ 48.453643] gsm_dlci_alloc+0xd4/0x410 [ 48.457518] gsm_activate_mux+0x1f4/0x290 [ 48.461667] gsmld_open+0x4fa/0x7e0 [ 48.465290] ? gsmld_close+0x1f0/0x1f0 [ 48.470470] tty_ldisc_open+0x81/0xc0 [ 48.474260] tty_set_ldisc+0x2d2/0x650 [ 48.478155] tty_ioctl+0xb4b/0x1630 [ 48.481784] ? tty_fasync+0x300/0x300 [ 48.485575] ? get_pid_task+0xf4/0x190 [ 48.489449] ? proc_fail_nth_write+0x95/0x1d0 [ 48.493927] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.498841] ? mark_held_locks+0xf0/0xf0 [ 48.502892] ? __vfs_write+0xff/0x770 [ 48.506781] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.511713] ? common_file_perm+0x4e5/0x850 [ 48.516022] ? tty_fasync+0x300/0x300 [ 48.519994] do_vfs_ioctl+0xcdb/0x12e0 [ 48.523867] ? vfs_write+0x3d7/0x540 [ 48.527563] ? ioctl_preallocate+0x200/0x200 [ 48.531959] ? lock_downgrade+0x720/0x720 [ 48.536266] ? check_preemption_disabled+0x41/0x280 [ 48.541282] ? vfs_write+0x393/0x540 [ 48.545014] ? ksys_write+0x1c8/0x2a0 [ 48.548805] ksys_ioctl+0x9b/0xc0 [ 48.552259] __x64_sys_ioctl+0x6f/0xb0 [ 48.556137] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 48.560711] do_syscall_64+0xf9/0x620 [ 48.564505] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.569681] RIP: 0033:0x7fde667f1079 executing program [ 48.573380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.592265] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.599967] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 48.607219] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 48.614483] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.621747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 48.629004] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.643215] FAULT_INJECTION: forcing a failure. [ 48.643215] name failslab, interval 1, probability 0, space 0, times 0 [ 48.654849] CPU: 0 PID: 8142 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 48.662743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 48.672186] Call Trace: [ 48.674773] dump_stack+0x1fc/0x2ef [ 48.678390] should_fail.cold+0xa/0xf [ 48.682188] ? setup_fault_attr+0x200/0x200 [ 48.686509] ? lock_acquire+0x170/0x3c0 [ 48.690476] __should_failslab+0x115/0x180 [ 48.694876] should_failslab+0x5/0x10 [ 48.698667] __kmalloc+0x2ab/0x3c0 [ 48.702194] ? __kfifo_alloc+0x174/0x290 [ 48.706249] __kfifo_alloc+0x174/0x290 [ 48.710136] gsm_dlci_alloc+0xd4/0x410 [ 48.714009] gsm_activate_mux+0x1f4/0x290 [ 48.718138] gsmld_open+0x4fa/0x7e0 [ 48.721754] ? gsmld_close+0x1f0/0x1f0 [ 48.725626] tty_ldisc_open+0x81/0xc0 [ 48.729423] tty_set_ldisc+0x2d2/0x650 [ 48.733311] tty_ioctl+0xb4b/0x1630 [ 48.736947] ? tty_fasync+0x300/0x300 [ 48.740738] ? get_pid_task+0xf4/0x190 [ 48.744611] ? proc_fail_nth_write+0x95/0x1d0 [ 48.749137] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.754053] ? mark_held_locks+0xf0/0xf0 [ 48.758126] ? __vfs_write+0xff/0x770 [ 48.761912] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 48.766837] ? common_file_perm+0x4e5/0x850 [ 48.771142] ? tty_fasync+0x300/0x300 [ 48.774924] do_vfs_ioctl+0xcdb/0x12e0 [ 48.778801] ? vfs_write+0x3d7/0x540 [ 48.782498] ? ioctl_preallocate+0x200/0x200 [ 48.786903] ? lock_downgrade+0x720/0x720 [ 48.791045] ? check_preemption_disabled+0x41/0x280 [ 48.796052] ? vfs_write+0x393/0x540 [ 48.799753] ? ksys_write+0x1c8/0x2a0 [ 48.803643] ksys_ioctl+0x9b/0xc0 [ 48.807181] __x64_sys_ioctl+0x6f/0xb0 [ 48.811066] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 48.815631] do_syscall_64+0xf9/0x620 [ 48.819435] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.824616] RIP: 0033:0x7fde667f1079 executing program [ 48.828318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.847209] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.854910] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 48.862163] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 48.869417] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.876690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 48.883963] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.898202] FAULT_INJECTION: forcing a failure. [ 48.898202] name failslab, interval 1, probability 0, space 0, times 0 [ 48.909546] CPU: 0 PID: 8143 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 48.917431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 48.926779] Call Trace: [ 48.929366] dump_stack+0x1fc/0x2ef [ 48.932981] should_fail.cold+0xa/0xf [ 48.936778] ? setup_fault_attr+0x200/0x200 [ 48.941084] ? lock_acquire+0x170/0x3c0 [ 48.945060] __should_failslab+0x115/0x180 [ 48.949305] should_failslab+0x5/0x10 [ 48.953097] __kmalloc+0x2ab/0x3c0 [ 48.956625] ? __kfifo_alloc+0x174/0x290 [ 48.960692] __kfifo_alloc+0x174/0x290 [ 48.964599] gsm_dlci_alloc+0xd4/0x410 [ 48.968617] gsm_activate_mux+0x1f4/0x290 [ 48.972754] gsmld_open+0x4fa/0x7e0 [ 48.976370] ? gsmld_close+0x1f0/0x1f0 [ 48.980306] tty_ldisc_open+0x81/0xc0 [ 48.984118] tty_set_ldisc+0x2d2/0x650 [ 48.988009] tty_ioctl+0xb4b/0x1630 [ 48.991672] ? tty_fasync+0x300/0x300 [ 48.995467] ? get_pid_task+0xf4/0x190 [ 48.999356] ? proc_fail_nth_write+0x95/0x1d0 [ 49.003859] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.008781] ? mark_held_locks+0xf0/0xf0 [ 49.012833] ? __vfs_write+0xff/0x770 [ 49.016798] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.021716] ? common_file_perm+0x4e5/0x850 [ 49.026031] ? tty_fasync+0x300/0x300 [ 49.029818] do_vfs_ioctl+0xcdb/0x12e0 [ 49.033700] ? vfs_write+0x3d7/0x540 [ 49.037399] ? ioctl_preallocate+0x200/0x200 [ 49.041821] ? lock_downgrade+0x720/0x720 [ 49.046044] ? check_preemption_disabled+0x41/0x280 [ 49.051059] ? vfs_write+0x393/0x540 [ 49.054767] ? ksys_write+0x1c8/0x2a0 [ 49.058565] ksys_ioctl+0x9b/0xc0 [ 49.062282] __x64_sys_ioctl+0x6f/0xb0 [ 49.066271] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.070850] do_syscall_64+0xf9/0x620 [ 49.074643] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.079823] RIP: 0033:0x7fde667f1079 executing program [ 49.083535] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.102535] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.110247] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 49.117503] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 49.124766] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 49.132021] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 49.139303] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.153471] FAULT_INJECTION: forcing a failure. [ 49.153471] name failslab, interval 1, probability 0, space 0, times 0 [ 49.164838] CPU: 0 PID: 8144 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 49.172732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 49.182091] Call Trace: [ 49.184671] dump_stack+0x1fc/0x2ef [ 49.188295] should_fail.cold+0xa/0xf [ 49.192085] ? setup_fault_attr+0x200/0x200 [ 49.196392] ? lock_acquire+0x170/0x3c0 [ 49.200373] __should_failslab+0x115/0x180 [ 49.204594] should_failslab+0x5/0x10 [ 49.208522] __kmalloc+0x2ab/0x3c0 [ 49.212072] ? __kfifo_alloc+0x174/0x290 [ 49.216222] __kfifo_alloc+0x174/0x290 [ 49.220139] gsm_dlci_alloc+0xd4/0x410 [ 49.224057] gsm_activate_mux+0x1f4/0x290 [ 49.228191] gsmld_open+0x4fa/0x7e0 [ 49.231808] ? gsmld_close+0x1f0/0x1f0 [ 49.235681] tty_ldisc_open+0x81/0xc0 [ 49.239468] tty_set_ldisc+0x2d2/0x650 [ 49.243355] tty_ioctl+0xb4b/0x1630 [ 49.246982] ? tty_fasync+0x300/0x300 [ 49.250773] ? get_pid_task+0xf4/0x190 [ 49.254683] ? proc_fail_nth_write+0x95/0x1d0 [ 49.259198] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.264115] ? mark_held_locks+0xf0/0xf0 [ 49.268253] ? __vfs_write+0xff/0x770 [ 49.272053] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.276968] ? common_file_perm+0x4e5/0x850 [ 49.281306] ? tty_fasync+0x300/0x300 [ 49.285104] do_vfs_ioctl+0xcdb/0x12e0 [ 49.288988] ? vfs_write+0x3d7/0x540 [ 49.292721] ? ioctl_preallocate+0x200/0x200 [ 49.297133] ? lock_downgrade+0x720/0x720 [ 49.301278] ? check_preemption_disabled+0x41/0x280 [ 49.306300] ? vfs_write+0x393/0x540 [ 49.310010] ? ksys_write+0x1c8/0x2a0 [ 49.313802] ksys_ioctl+0x9b/0xc0 [ 49.317251] __x64_sys_ioctl+0x6f/0xb0 [ 49.321134] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.326219] do_syscall_64+0xf9/0x620 [ 49.330044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.335237] RIP: 0033:0x7fde667f1079 executing program [ 49.338946] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.357860] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.365574] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 49.372831] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 49.380091] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 49.387525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 49.394791] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.409170] FAULT_INJECTION: forcing a failure. [ 49.409170] name failslab, interval 1, probability 0, space 0, times 0 [ 49.420822] CPU: 0 PID: 8145 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 49.428737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 49.438092] Call Trace: [ 49.440751] dump_stack+0x1fc/0x2ef [ 49.444385] should_fail.cold+0xa/0xf [ 49.448182] ? setup_fault_attr+0x200/0x200 [ 49.452580] ? lock_acquire+0x170/0x3c0 [ 49.456548] __should_failslab+0x115/0x180 [ 49.460775] should_failslab+0x5/0x10 [ 49.464722] __kmalloc+0x2ab/0x3c0 [ 49.468263] ? __kfifo_alloc+0x174/0x290 [ 49.472424] __kfifo_alloc+0x174/0x290 [ 49.476300] gsm_dlci_alloc+0xd4/0x410 [ 49.480175] gsm_activate_mux+0x1f4/0x290 [ 49.484377] gsmld_open+0x4fa/0x7e0 [ 49.488081] ? gsmld_close+0x1f0/0x1f0 [ 49.491982] tty_ldisc_open+0x81/0xc0 [ 49.495773] tty_set_ldisc+0x2d2/0x650 [ 49.499646] tty_ioctl+0xb4b/0x1630 [ 49.503274] ? tty_fasync+0x300/0x300 [ 49.507071] ? get_pid_task+0xf4/0x190 [ 49.511105] ? proc_fail_nth_write+0x95/0x1d0 [ 49.515593] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.520513] ? mark_held_locks+0xf0/0xf0 [ 49.524561] ? __vfs_write+0xff/0x770 [ 49.528506] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.533448] ? common_file_perm+0x4e5/0x850 [ 49.537761] ? tty_fasync+0x300/0x300 [ 49.541621] do_vfs_ioctl+0xcdb/0x12e0 [ 49.545531] ? vfs_write+0x3d7/0x540 [ 49.549319] ? ioctl_preallocate+0x200/0x200 [ 49.553736] ? lock_downgrade+0x720/0x720 [ 49.557883] ? check_preemption_disabled+0x41/0x280 [ 49.563001] ? vfs_write+0x393/0x540 [ 49.566702] ? ksys_write+0x1c8/0x2a0 [ 49.570492] ksys_ioctl+0x9b/0xc0 [ 49.573965] __x64_sys_ioctl+0x6f/0xb0 [ 49.577840] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.582410] do_syscall_64+0xf9/0x620 [ 49.586198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.591382] RIP: 0033:0x7fde667f1079 executing program [ 49.595091] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.613987] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.621696] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 49.629043] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 49.636304] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 49.643582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 49.650838] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.665014] FAULT_INJECTION: forcing a failure. [ 49.665014] name failslab, interval 1, probability 0, space 0, times 0 [ 49.676617] CPU: 0 PID: 8146 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 49.684516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 49.693855] Call Trace: [ 49.696437] dump_stack+0x1fc/0x2ef [ 49.700053] should_fail.cold+0xa/0xf [ 49.703850] ? setup_fault_attr+0x200/0x200 [ 49.708187] ? lock_acquire+0x170/0x3c0 [ 49.712160] __should_failslab+0x115/0x180 [ 49.716419] should_failslab+0x5/0x10 [ 49.720301] __kmalloc+0x2ab/0x3c0 [ 49.723829] ? __kfifo_alloc+0x174/0x290 [ 49.727890] __kfifo_alloc+0x174/0x290 [ 49.731766] gsm_dlci_alloc+0xd4/0x410 [ 49.735646] gsm_activate_mux+0x1f4/0x290 [ 49.739778] gsmld_open+0x4fa/0x7e0 [ 49.743388] ? gsmld_close+0x1f0/0x1f0 [ 49.747260] tty_ldisc_open+0x81/0xc0 [ 49.751053] tty_set_ldisc+0x2d2/0x650 [ 49.754940] tty_ioctl+0xb4b/0x1630 [ 49.758551] ? tty_fasync+0x300/0x300 [ 49.762339] ? get_pid_task+0xf4/0x190 [ 49.766219] ? proc_fail_nth_write+0x95/0x1d0 [ 49.770700] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.775616] ? mark_held_locks+0xf0/0xf0 [ 49.779664] ? __vfs_write+0xff/0x770 [ 49.783450] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 49.788363] ? common_file_perm+0x4e5/0x850 [ 49.792679] ? tty_fasync+0x300/0x300 [ 49.796466] do_vfs_ioctl+0xcdb/0x12e0 [ 49.800338] ? vfs_write+0x3d7/0x540 [ 49.804044] ? ioctl_preallocate+0x200/0x200 [ 49.808438] ? lock_downgrade+0x720/0x720 [ 49.812581] ? check_preemption_disabled+0x41/0x280 [ 49.817588] ? vfs_write+0x393/0x540 [ 49.821302] ? ksys_write+0x1c8/0x2a0 [ 49.825089] ksys_ioctl+0x9b/0xc0 [ 49.828527] __x64_sys_ioctl+0x6f/0xb0 [ 49.832402] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 49.836968] do_syscall_64+0xf9/0x620 [ 49.840758] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.845934] RIP: 0033:0x7fde667f1079 executing program [ 49.849633] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.868520] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.876225] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 49.883477] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 49.890730] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 49.897979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 49.905239] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.919430] FAULT_INJECTION: forcing a failure. [ 49.919430] name failslab, interval 1, probability 0, space 0, times 0 [ 49.930979] CPU: 0 PID: 8147 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 49.938873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 49.948219] Call Trace: [ 49.950802] dump_stack+0x1fc/0x2ef [ 49.954416] should_fail.cold+0xa/0xf [ 49.958201] ? setup_fault_attr+0x200/0x200 [ 49.962509] ? lock_acquire+0x170/0x3c0 [ 49.966468] __should_failslab+0x115/0x180 [ 49.970692] should_failslab+0x5/0x10 [ 49.974476] __kmalloc+0x2ab/0x3c0 [ 49.978021] ? __kfifo_alloc+0x174/0x290 [ 49.982079] __kfifo_alloc+0x174/0x290 [ 49.985955] gsm_dlci_alloc+0xd4/0x410 [ 49.989827] gsm_activate_mux+0x1f4/0x290 [ 49.993957] gsmld_open+0x4fa/0x7e0 [ 49.997569] ? gsmld_close+0x1f0/0x1f0 [ 50.001452] tty_ldisc_open+0x81/0xc0 [ 50.005234] tty_set_ldisc+0x2d2/0x650 [ 50.009110] tty_ioctl+0xb4b/0x1630 [ 50.012726] ? tty_fasync+0x300/0x300 [ 50.016510] ? get_pid_task+0xf4/0x190 [ 50.020390] ? proc_fail_nth_write+0x95/0x1d0 [ 50.024869] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.029882] ? mark_held_locks+0xf0/0xf0 [ 50.033938] ? __vfs_write+0xff/0x770 [ 50.037762] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.042679] ? common_file_perm+0x4e5/0x850 [ 50.046991] ? tty_fasync+0x300/0x300 [ 50.050789] do_vfs_ioctl+0xcdb/0x12e0 [ 50.054663] ? vfs_write+0x3d7/0x540 [ 50.058369] ? ioctl_preallocate+0x200/0x200 [ 50.062768] ? lock_downgrade+0x720/0x720 [ 50.066904] ? check_preemption_disabled+0x41/0x280 [ 50.071919] ? vfs_write+0x393/0x540 [ 50.075627] ? ksys_write+0x1c8/0x2a0 [ 50.079422] ksys_ioctl+0x9b/0xc0 [ 50.082862] __x64_sys_ioctl+0x6f/0xb0 [ 50.086819] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 50.091388] do_syscall_64+0xf9/0x620 [ 50.095179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.100439] RIP: 0033:0x7fde667f1079 executing program [ 50.104135] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.123020] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.130714] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 50.137970] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 50.145243] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 50.152600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 50.159868] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.174389] FAULT_INJECTION: forcing a failure. [ 50.174389] name failslab, interval 1, probability 0, space 0, times 0 [ 50.185781] CPU: 0 PID: 8148 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 50.193672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 50.203099] Call Trace: [ 50.205675] dump_stack+0x1fc/0x2ef [ 50.209289] should_fail.cold+0xa/0xf [ 50.213083] ? setup_fault_attr+0x200/0x200 [ 50.217478] ? lock_acquire+0x170/0x3c0 [ 50.221456] __should_failslab+0x115/0x180 [ 50.225682] should_failslab+0x5/0x10 [ 50.229465] __kmalloc+0x2ab/0x3c0 [ 50.232990] ? __kfifo_alloc+0x174/0x290 [ 50.237034] __kfifo_alloc+0x174/0x290 [ 50.240923] gsm_dlci_alloc+0xd4/0x410 [ 50.244807] gsm_activate_mux+0x1f4/0x290 [ 50.248939] gsmld_open+0x4fa/0x7e0 [ 50.252988] ? gsmld_close+0x1f0/0x1f0 [ 50.256860] tty_ldisc_open+0x81/0xc0 [ 50.260743] tty_set_ldisc+0x2d2/0x650 [ 50.264616] tty_ioctl+0xb4b/0x1630 [ 50.268225] ? tty_fasync+0x300/0x300 [ 50.272023] ? get_pid_task+0xf4/0x190 [ 50.275893] ? proc_fail_nth_write+0x95/0x1d0 [ 50.280419] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.285334] ? mark_held_locks+0xf0/0xf0 [ 50.289386] ? __vfs_write+0xff/0x770 [ 50.293171] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.298083] ? common_file_perm+0x4e5/0x850 [ 50.302401] ? tty_fasync+0x300/0x300 [ 50.306188] do_vfs_ioctl+0xcdb/0x12e0 [ 50.310060] ? vfs_write+0x3d7/0x540 [ 50.313769] ? ioctl_preallocate+0x200/0x200 [ 50.318163] ? lock_downgrade+0x720/0x720 [ 50.322306] ? check_preemption_disabled+0x41/0x280 [ 50.327315] ? vfs_write+0x393/0x540 [ 50.331274] ? ksys_write+0x1c8/0x2a0 [ 50.335057] ksys_ioctl+0x9b/0xc0 [ 50.338507] __x64_sys_ioctl+0x6f/0xb0 [ 50.342376] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 50.346952] do_syscall_64+0xf9/0x620 [ 50.350738] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.355910] RIP: 0033:0x7fde667f1079 executing program [ 50.359606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.378488] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.386180] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 50.393447] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 50.400713] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 50.407987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 50.415357] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.429858] FAULT_INJECTION: forcing a failure. [ 50.429858] name failslab, interval 1, probability 0, space 0, times 0 [ 50.442123] CPU: 0 PID: 8149 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 50.450021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 50.459367] Call Trace: [ 50.461957] dump_stack+0x1fc/0x2ef [ 50.465583] should_fail.cold+0xa/0xf [ 50.469402] ? setup_fault_attr+0x200/0x200 [ 50.474418] ? lock_acquire+0x170/0x3c0 [ 50.478384] __should_failslab+0x115/0x180 [ 50.482624] should_failslab+0x5/0x10 [ 50.486424] __kmalloc+0x2ab/0x3c0 [ 50.489949] ? __kfifo_alloc+0x174/0x290 [ 50.494004] __kfifo_alloc+0x174/0x290 [ 50.497875] gsm_dlci_alloc+0xd4/0x410 [ 50.501747] gsm_activate_mux+0x1f4/0x290 [ 50.505880] gsmld_open+0x4fa/0x7e0 [ 50.509498] ? gsmld_close+0x1f0/0x1f0 [ 50.513368] tty_ldisc_open+0x81/0xc0 [ 50.517152] tty_set_ldisc+0x2d2/0x650 [ 50.521024] tty_ioctl+0xb4b/0x1630 [ 50.524630] ? tty_fasync+0x300/0x300 [ 50.528414] ? get_pid_task+0xf4/0x190 [ 50.532283] ? proc_fail_nth_write+0x95/0x1d0 [ 50.536768] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.541680] ? mark_held_locks+0xf0/0xf0 [ 50.545734] ? __vfs_write+0xff/0x770 [ 50.549515] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.554448] ? common_file_perm+0x4e5/0x850 [ 50.558752] ? tty_fasync+0x300/0x300 [ 50.562543] do_vfs_ioctl+0xcdb/0x12e0 [ 50.566414] ? vfs_write+0x3d7/0x540 [ 50.570109] ? ioctl_preallocate+0x200/0x200 [ 50.574501] ? lock_downgrade+0x720/0x720 [ 50.578631] ? check_preemption_disabled+0x41/0x280 [ 50.583633] ? vfs_write+0x393/0x540 [ 50.587330] ? ksys_write+0x1c8/0x2a0 [ 50.591127] ksys_ioctl+0x9b/0xc0 [ 50.594577] __x64_sys_ioctl+0x6f/0xb0 [ 50.598463] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 50.603057] do_syscall_64+0xf9/0x620 [ 50.606874] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.612047] RIP: 0033:0x7fde667f1079 executing program [ 50.615746] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.634639] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.642327] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 50.649579] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 50.656842] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 50.664108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 50.671452] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.686877] FAULT_INJECTION: forcing a failure. [ 50.686877] name failslab, interval 1, probability 0, space 0, times 0 [ 50.698231] CPU: 0 PID: 8150 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 50.706129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 50.715476] Call Trace: [ 50.718079] dump_stack+0x1fc/0x2ef [ 50.721690] should_fail.cold+0xa/0xf [ 50.725475] ? setup_fault_attr+0x200/0x200 [ 50.729794] ? lock_acquire+0x170/0x3c0 [ 50.733762] __should_failslab+0x115/0x180 [ 50.737995] should_failslab+0x5/0x10 [ 50.741789] __kmalloc+0x2ab/0x3c0 [ 50.745312] ? __kfifo_alloc+0x174/0x290 [ 50.749366] __kfifo_alloc+0x174/0x290 [ 50.753248] gsm_dlci_alloc+0xd4/0x410 [ 50.757120] gsm_activate_mux+0x1f4/0x290 [ 50.761425] gsmld_open+0x4fa/0x7e0 [ 50.765033] ? gsmld_close+0x1f0/0x1f0 [ 50.768912] tty_ldisc_open+0x81/0xc0 [ 50.772712] tty_set_ldisc+0x2d2/0x650 [ 50.776594] tty_ioctl+0xb4b/0x1630 [ 50.780211] ? tty_fasync+0x300/0x300 [ 50.784011] ? get_pid_task+0xf4/0x190 [ 50.787883] ? proc_fail_nth_write+0x95/0x1d0 [ 50.792362] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.797808] ? mark_held_locks+0xf0/0xf0 [ 50.801867] ? __vfs_write+0xff/0x770 [ 50.805649] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 50.810583] ? common_file_perm+0x4e5/0x850 [ 50.814896] ? tty_fasync+0x300/0x300 [ 50.818678] do_vfs_ioctl+0xcdb/0x12e0 [ 50.822551] ? vfs_write+0x3d7/0x540 [ 50.826244] ? ioctl_preallocate+0x200/0x200 [ 50.830638] ? lock_downgrade+0x720/0x720 [ 50.834780] ? check_preemption_disabled+0x41/0x280 [ 50.839783] ? vfs_write+0x393/0x540 [ 50.843487] ? ksys_write+0x1c8/0x2a0 [ 50.847272] ksys_ioctl+0x9b/0xc0 [ 50.850724] __x64_sys_ioctl+0x6f/0xb0 [ 50.854593] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 50.859158] do_syscall_64+0xf9/0x620 [ 50.862948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.868119] RIP: 0033:0x7fde667f1079 executing program [ 50.871817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.890700] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.898391] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 50.905643] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 50.912912] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 50.920170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 50.927424] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.941442] FAULT_INJECTION: forcing a failure. [ 50.941442] name failslab, interval 1, probability 0, space 0, times 0 [ 50.952802] CPU: 0 PID: 8151 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 50.961209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 50.970564] Call Trace: [ 50.973155] dump_stack+0x1fc/0x2ef [ 50.976778] should_fail.cold+0xa/0xf [ 50.980578] ? setup_fault_attr+0x200/0x200 [ 50.984892] ? lock_acquire+0x170/0x3c0 [ 50.988853] __should_failslab+0x115/0x180 [ 50.993091] should_failslab+0x5/0x10 [ 50.996877] __kmalloc+0x2ab/0x3c0 [ 51.000403] ? __kfifo_alloc+0x174/0x290 [ 51.004451] __kfifo_alloc+0x174/0x290 [ 51.008346] gsm_dlci_alloc+0xd4/0x410 [ 51.012239] gsm_activate_mux+0x1f4/0x290 [ 51.016382] gsmld_open+0x4fa/0x7e0 [ 51.020009] ? gsmld_close+0x1f0/0x1f0 [ 51.023894] tty_ldisc_open+0x81/0xc0 [ 51.027678] tty_set_ldisc+0x2d2/0x650 [ 51.031570] tty_ioctl+0xb4b/0x1630 [ 51.035182] ? tty_fasync+0x300/0x300 [ 51.038994] ? get_pid_task+0xf4/0x190 [ 51.042869] ? proc_fail_nth_write+0x95/0x1d0 [ 51.047366] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.052304] ? mark_held_locks+0xf0/0xf0 [ 51.056361] ? __vfs_write+0xff/0x770 [ 51.060151] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.065181] ? common_file_perm+0x4e5/0x850 [ 51.069503] ? tty_fasync+0x300/0x300 [ 51.073301] do_vfs_ioctl+0xcdb/0x12e0 [ 51.077207] ? vfs_write+0x3d7/0x540 [ 51.080908] ? ioctl_preallocate+0x200/0x200 [ 51.085303] ? lock_downgrade+0x720/0x720 [ 51.089452] ? check_preemption_disabled+0x41/0x280 [ 51.094452] ? vfs_write+0x393/0x540 [ 51.098150] ? ksys_write+0x1c8/0x2a0 [ 51.101940] ksys_ioctl+0x9b/0xc0 [ 51.105394] __x64_sys_ioctl+0x6f/0xb0 [ 51.109266] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.113832] do_syscall_64+0xf9/0x620 [ 51.117634] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.122811] RIP: 0033:0x7fde667f1079 executing program [ 51.126523] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.145414] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.153209] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 51.160551] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 51.167806] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 51.175060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 51.182329] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.196598] FAULT_INJECTION: forcing a failure. [ 51.196598] name failslab, interval 1, probability 0, space 0, times 0 [ 51.208497] CPU: 0 PID: 8152 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 51.216398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 51.225743] Call Trace: [ 51.228326] dump_stack+0x1fc/0x2ef [ 51.231957] should_fail.cold+0xa/0xf [ 51.235745] ? setup_fault_attr+0x200/0x200 [ 51.240062] ? lock_acquire+0x170/0x3c0 [ 51.244024] __should_failslab+0x115/0x180 [ 51.248243] should_failslab+0x5/0x10 [ 51.252042] __kmalloc+0x2ab/0x3c0 [ 51.255566] ? __kfifo_alloc+0x174/0x290 [ 51.259631] __kfifo_alloc+0x174/0x290 [ 51.263503] gsm_dlci_alloc+0xd4/0x410 [ 51.267401] gsm_activate_mux+0x1f4/0x290 [ 51.271536] gsmld_open+0x4fa/0x7e0 [ 51.275161] ? gsmld_close+0x1f0/0x1f0 [ 51.279036] tty_ldisc_open+0x81/0xc0 [ 51.282836] tty_set_ldisc+0x2d2/0x650 [ 51.286709] tty_ioctl+0xb4b/0x1630 [ 51.290322] ? tty_fasync+0x300/0x300 [ 51.294107] ? get_pid_task+0xf4/0x190 [ 51.297991] ? proc_fail_nth_write+0x95/0x1d0 [ 51.302611] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.307555] ? mark_held_locks+0xf0/0xf0 [ 51.311604] ? __vfs_write+0xff/0x770 [ 51.315388] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.320407] ? common_file_perm+0x4e5/0x850 [ 51.324731] ? tty_fasync+0x300/0x300 [ 51.328535] do_vfs_ioctl+0xcdb/0x12e0 [ 51.332422] ? vfs_write+0x3d7/0x540 [ 51.336121] ? ioctl_preallocate+0x200/0x200 [ 51.340517] ? lock_downgrade+0x720/0x720 [ 51.344653] ? check_preemption_disabled+0x41/0x280 [ 51.349655] ? vfs_write+0x393/0x540 [ 51.353352] ? ksys_write+0x1c8/0x2a0 [ 51.357147] ksys_ioctl+0x9b/0xc0 [ 51.360587] __x64_sys_ioctl+0x6f/0xb0 [ 51.364456] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.369108] do_syscall_64+0xf9/0x620 [ 51.372897] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.378089] RIP: 0033:0x7fde667f1079 executing program [ 51.381884] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.400769] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.408459] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 51.415722] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 51.422988] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 51.430260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 51.437511] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.451999] FAULT_INJECTION: forcing a failure. [ 51.451999] name failslab, interval 1, probability 0, space 0, times 0 [ 51.463587] CPU: 0 PID: 8153 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 51.471496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 51.480843] Call Trace: [ 51.483433] dump_stack+0x1fc/0x2ef [ 51.487068] should_fail.cold+0xa/0xf [ 51.490869] ? setup_fault_attr+0x200/0x200 [ 51.495189] ? lock_acquire+0x170/0x3c0 [ 51.499158] __should_failslab+0x115/0x180 [ 51.503394] should_failslab+0x5/0x10 [ 51.507180] __kmalloc+0x2ab/0x3c0 [ 51.510709] ? __kfifo_alloc+0x174/0x290 [ 51.514769] __kfifo_alloc+0x174/0x290 [ 51.518658] gsm_dlci_alloc+0xd4/0x410 [ 51.522534] gsm_activate_mux+0x1f4/0x290 [ 51.526683] gsmld_open+0x4fa/0x7e0 [ 51.530299] ? gsmld_close+0x1f0/0x1f0 [ 51.534440] tty_ldisc_open+0x81/0xc0 [ 51.538245] tty_set_ldisc+0x2d2/0x650 [ 51.542151] tty_ioctl+0xb4b/0x1630 [ 51.545778] ? tty_fasync+0x300/0x300 [ 51.549574] ? get_pid_task+0xf4/0x190 [ 51.553537] ? proc_fail_nth_write+0x95/0x1d0 [ 51.558016] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.562932] ? mark_held_locks+0xf0/0xf0 [ 51.566979] ? __vfs_write+0xff/0x770 [ 51.570763] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.575684] ? common_file_perm+0x4e5/0x850 [ 51.580000] ? tty_fasync+0x300/0x300 [ 51.583974] do_vfs_ioctl+0xcdb/0x12e0 [ 51.587843] ? vfs_write+0x3d7/0x540 [ 51.591540] ? ioctl_preallocate+0x200/0x200 [ 51.595930] ? lock_downgrade+0x720/0x720 [ 51.600061] ? check_preemption_disabled+0x41/0x280 [ 51.605080] ? vfs_write+0x393/0x540 [ 51.608776] ? ksys_write+0x1c8/0x2a0 [ 51.612579] ksys_ioctl+0x9b/0xc0 [ 51.616014] __x64_sys_ioctl+0x6f/0xb0 [ 51.619884] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.624915] do_syscall_64+0xf9/0x620 [ 51.628733] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.633916] RIP: 0033:0x7fde667f1079 executing program [ 51.637635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.656539] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.664232] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 51.671521] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 51.678790] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 51.686050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 51.693300] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.707417] FAULT_INJECTION: forcing a failure. [ 51.707417] name failslab, interval 1, probability 0, space 0, times 0 [ 51.718767] CPU: 0 PID: 8154 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 51.726655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 51.735994] Call Trace: [ 51.738572] dump_stack+0x1fc/0x2ef [ 51.742186] should_fail.cold+0xa/0xf [ 51.745970] ? setup_fault_attr+0x200/0x200 [ 51.750274] ? lock_acquire+0x170/0x3c0 [ 51.754248] __should_failslab+0x115/0x180 [ 51.758481] should_failslab+0x5/0x10 [ 51.762267] __kmalloc+0x2ab/0x3c0 [ 51.766311] ? __kfifo_alloc+0x174/0x290 [ 51.770357] __kfifo_alloc+0x174/0x290 [ 51.774229] gsm_dlci_alloc+0xd4/0x410 [ 51.778128] gsm_activate_mux+0x1f4/0x290 [ 51.782283] gsmld_open+0x4fa/0x7e0 [ 51.785894] ? gsmld_close+0x1f0/0x1f0 [ 51.789780] tty_ldisc_open+0x81/0xc0 [ 51.793570] tty_set_ldisc+0x2d2/0x650 [ 51.797453] tty_ioctl+0xb4b/0x1630 [ 51.801068] ? tty_fasync+0x300/0x300 [ 51.804866] ? get_pid_task+0xf4/0x190 [ 51.808747] ? proc_fail_nth_write+0x95/0x1d0 [ 51.813230] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.818142] ? mark_held_locks+0xf0/0xf0 [ 51.822213] ? __vfs_write+0xff/0x770 [ 51.825997] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 51.830913] ? common_file_perm+0x4e5/0x850 [ 51.835222] ? tty_fasync+0x300/0x300 [ 51.839010] do_vfs_ioctl+0xcdb/0x12e0 [ 51.842881] ? vfs_write+0x3d7/0x540 [ 51.846579] ? ioctl_preallocate+0x200/0x200 [ 51.850984] ? lock_downgrade+0x720/0x720 [ 51.855119] ? check_preemption_disabled+0x41/0x280 [ 51.860123] ? vfs_write+0x393/0x540 [ 51.863822] ? ksys_write+0x1c8/0x2a0 [ 51.867974] ksys_ioctl+0x9b/0xc0 [ 51.871435] __x64_sys_ioctl+0x6f/0xb0 [ 51.875308] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.879888] do_syscall_64+0xf9/0x620 [ 51.883690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.888864] RIP: 0033:0x7fde667f1079 executing program [ 51.892581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.911473] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.919164] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 51.926437] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 51.933691] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 51.940957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 51.948250] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.962429] FAULT_INJECTION: forcing a failure. [ 51.962429] name failslab, interval 1, probability 0, space 0, times 0 [ 51.973898] CPU: 0 PID: 8155 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 51.981793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 51.991133] Call Trace: [ 51.993710] dump_stack+0x1fc/0x2ef [ 51.997324] should_fail.cold+0xa/0xf [ 52.001117] ? setup_fault_attr+0x200/0x200 [ 52.005447] ? lock_acquire+0x170/0x3c0 [ 52.009435] __should_failslab+0x115/0x180 [ 52.013671] should_failslab+0x5/0x10 [ 52.017465] __kmalloc+0x2ab/0x3c0 [ 52.021001] ? __kfifo_alloc+0x174/0x290 [ 52.025054] __kfifo_alloc+0x174/0x290 [ 52.029037] gsm_dlci_alloc+0xd4/0x410 [ 52.032913] gsm_activate_mux+0x1f4/0x290 [ 52.037045] gsmld_open+0x4fa/0x7e0 [ 52.040673] ? gsmld_close+0x1f0/0x1f0 [ 52.044569] tty_ldisc_open+0x81/0xc0 [ 52.048459] tty_set_ldisc+0x2d2/0x650 [ 52.052346] tty_ioctl+0xb4b/0x1630 [ 52.055967] ? tty_fasync+0x300/0x300 [ 52.059777] ? get_pid_task+0xf4/0x190 [ 52.063653] ? proc_fail_nth_write+0x95/0x1d0 [ 52.068159] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.073076] ? mark_held_locks+0xf0/0xf0 [ 52.077128] ? __vfs_write+0xff/0x770 [ 52.081083] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.086000] ? common_file_perm+0x4e5/0x850 [ 52.090311] ? tty_fasync+0x300/0x300 [ 52.094102] do_vfs_ioctl+0xcdb/0x12e0 [ 52.097980] ? vfs_write+0x3d7/0x540 [ 52.101704] ? ioctl_preallocate+0x200/0x200 [ 52.106101] ? lock_downgrade+0x720/0x720 [ 52.110375] ? check_preemption_disabled+0x41/0x280 [ 52.115382] ? vfs_write+0x393/0x540 [ 52.119087] ? ksys_write+0x1c8/0x2a0 [ 52.122885] ksys_ioctl+0x9b/0xc0 [ 52.126327] __x64_sys_ioctl+0x6f/0xb0 [ 52.130227] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 52.134795] do_syscall_64+0xf9/0x620 [ 52.138581] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.143771] RIP: 0033:0x7fde667f1079 executing program [ 52.147472] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.166369] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.174085] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 52.181439] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 52.188795] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 52.196151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.203489] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.218851] FAULT_INJECTION: forcing a failure. [ 52.218851] name failslab, interval 1, probability 0, space 0, times 0 [ 52.230344] CPU: 1 PID: 8156 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 52.238224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 52.247571] Call Trace: [ 52.250165] dump_stack+0x1fc/0x2ef [ 52.253780] should_fail.cold+0xa/0xf [ 52.257568] ? setup_fault_attr+0x200/0x200 [ 52.261879] ? lock_acquire+0x170/0x3c0 [ 52.265851] __should_failslab+0x115/0x180 [ 52.270083] should_failslab+0x5/0x10 [ 52.273959] __kmalloc+0x2ab/0x3c0 [ 52.277510] ? __kfifo_alloc+0x174/0x290 [ 52.281559] __kfifo_alloc+0x174/0x290 [ 52.285464] gsm_dlci_alloc+0xd4/0x410 [ 52.289357] gsm_activate_mux+0x1f4/0x290 [ 52.293502] gsmld_open+0x4fa/0x7e0 [ 52.297125] ? gsmld_close+0x1f0/0x1f0 [ 52.301009] tty_ldisc_open+0x81/0xc0 [ 52.304797] tty_set_ldisc+0x2d2/0x650 [ 52.308675] tty_ioctl+0xb4b/0x1630 [ 52.312306] ? tty_fasync+0x300/0x300 [ 52.316543] ? get_pid_task+0xf4/0x190 [ 52.320438] ? proc_fail_nth_write+0x95/0x1d0 [ 52.325105] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.330024] ? mark_held_locks+0xf0/0xf0 [ 52.334073] ? __vfs_write+0xff/0x770 [ 52.337859] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.342773] ? common_file_perm+0x4e5/0x850 [ 52.347084] ? tty_fasync+0x300/0x300 [ 52.350911] do_vfs_ioctl+0xcdb/0x12e0 [ 52.354794] ? vfs_write+0x3d7/0x540 [ 52.358519] ? ioctl_preallocate+0x200/0x200 [ 52.362926] ? lock_downgrade+0x720/0x720 [ 52.367075] ? check_preemption_disabled+0x41/0x280 [ 52.372089] ? vfs_write+0x393/0x540 [ 52.376051] ? ksys_write+0x1c8/0x2a0 [ 52.379838] ksys_ioctl+0x9b/0xc0 [ 52.383277] __x64_sys_ioctl+0x6f/0xb0 [ 52.387152] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 52.391723] do_syscall_64+0xf9/0x620 [ 52.395551] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.400728] RIP: 0033:0x7fde667f1079 executing program [ 52.404426] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.423407] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.431111] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 52.438371] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 52.445639] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 52.452907] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.460163] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.475818] FAULT_INJECTION: forcing a failure. [ 52.475818] name failslab, interval 1, probability 0, space 0, times 0 [ 52.487159] CPU: 1 PID: 8157 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 52.495037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 52.504373] Call Trace: [ 52.506962] dump_stack+0x1fc/0x2ef [ 52.510964] should_fail.cold+0xa/0xf [ 52.514776] ? setup_fault_attr+0x200/0x200 [ 52.519434] ? lock_acquire+0x170/0x3c0 [ 52.523404] __should_failslab+0x115/0x180 [ 52.527633] should_failslab+0x5/0x10 [ 52.531435] __kmalloc+0x2ab/0x3c0 [ 52.535066] ? __kfifo_alloc+0x174/0x290 [ 52.539119] __kfifo_alloc+0x174/0x290 [ 52.543009] gsm_dlci_alloc+0xd4/0x410 [ 52.547247] gsm_activate_mux+0x1f4/0x290 [ 52.551395] gsmld_open+0x4fa/0x7e0 [ 52.555011] ? gsmld_close+0x1f0/0x1f0 [ 52.558885] tty_ldisc_open+0x81/0xc0 [ 52.562689] tty_set_ldisc+0x2d2/0x650 [ 52.566583] tty_ioctl+0xb4b/0x1630 [ 52.570198] ? tty_fasync+0x300/0x300 [ 52.573996] ? get_pid_task+0xf4/0x190 [ 52.577872] ? proc_fail_nth_write+0x95/0x1d0 [ 52.582372] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.587287] ? mark_held_locks+0xf0/0xf0 [ 52.591340] ? __vfs_write+0xff/0x770 [ 52.595127] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.600045] ? common_file_perm+0x4e5/0x850 [ 52.604371] ? tty_fasync+0x300/0x300 [ 52.608156] do_vfs_ioctl+0xcdb/0x12e0 [ 52.612030] ? vfs_write+0x3d7/0x540 [ 52.615830] ? ioctl_preallocate+0x200/0x200 [ 52.620229] ? lock_downgrade+0x720/0x720 [ 52.624369] ? check_preemption_disabled+0x41/0x280 [ 52.629373] ? vfs_write+0x393/0x540 [ 52.633076] ? ksys_write+0x1c8/0x2a0 [ 52.636864] ksys_ioctl+0x9b/0xc0 [ 52.640306] __x64_sys_ioctl+0x6f/0xb0 [ 52.644181] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 52.648751] do_syscall_64+0xf9/0x620 [ 52.652551] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.657733] RIP: 0033:0x7fde667f1079 executing program [ 52.661447] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.680344] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.688041] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 52.695300] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 52.702569] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 52.709824] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.717078] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.732578] FAULT_INJECTION: forcing a failure. [ 52.732578] name failslab, interval 1, probability 0, space 0, times 0 [ 52.743921] CPU: 1 PID: 8158 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 52.751797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 52.761151] Call Trace: [ 52.763734] dump_stack+0x1fc/0x2ef [ 52.767353] should_fail.cold+0xa/0xf [ 52.771146] ? setup_fault_attr+0x200/0x200 [ 52.775465] ? lock_acquire+0x170/0x3c0 [ 52.779433] __should_failslab+0x115/0x180 [ 52.783661] should_failslab+0x5/0x10 [ 52.787459] __kmalloc+0x2ab/0x3c0 [ 52.790998] ? __kfifo_alloc+0x174/0x290 [ 52.795158] __kfifo_alloc+0x174/0x290 [ 52.799041] gsm_dlci_alloc+0xd4/0x410 [ 52.802919] gsm_activate_mux+0x1f4/0x290 [ 52.807052] gsmld_open+0x4fa/0x7e0 [ 52.810667] ? gsmld_close+0x1f0/0x1f0 [ 52.814564] tty_ldisc_open+0x81/0xc0 [ 52.818354] tty_set_ldisc+0x2d2/0x650 [ 52.822255] tty_ioctl+0xb4b/0x1630 [ 52.825876] ? tty_fasync+0x300/0x300 [ 52.829672] ? get_pid_task+0xf4/0x190 [ 52.833546] ? proc_fail_nth_write+0x95/0x1d0 [ 52.838041] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.842986] ? mark_held_locks+0xf0/0xf0 [ 52.847038] ? __vfs_write+0xff/0x770 [ 52.850822] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 52.855772] ? common_file_perm+0x4e5/0x850 [ 52.860083] ? tty_fasync+0x300/0x300 [ 52.863871] do_vfs_ioctl+0xcdb/0x12e0 [ 52.867876] ? vfs_write+0x3d7/0x540 [ 52.871700] ? ioctl_preallocate+0x200/0x200 [ 52.876111] ? lock_downgrade+0x720/0x720 [ 52.880250] ? check_preemption_disabled+0x41/0x280 [ 52.885256] ? vfs_write+0x393/0x540 [ 52.888955] ? ksys_write+0x1c8/0x2a0 [ 52.892749] ksys_ioctl+0x9b/0xc0 [ 52.896207] __x64_sys_ioctl+0x6f/0xb0 [ 52.900099] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 52.904769] do_syscall_64+0xf9/0x620 [ 52.908579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.913765] RIP: 0033:0x7fde667f1079 executing program [ 52.917467] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.936357] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.944054] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 52.951312] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 52.958577] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 52.965865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.973126] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.990750] FAULT_INJECTION: forcing a failure. [ 52.990750] name failslab, interval 1, probability 0, space 0, times 0 [ 53.002084] CPU: 1 PID: 8159 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 53.009966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 53.019308] Call Trace: [ 53.021885] dump_stack+0x1fc/0x2ef [ 53.025499] should_fail.cold+0xa/0xf [ 53.029286] ? setup_fault_attr+0x200/0x200 [ 53.033698] ? lock_acquire+0x170/0x3c0 [ 53.037689] __should_failslab+0x115/0x180 [ 53.042014] should_failslab+0x5/0x10 [ 53.045810] __kmalloc+0x2ab/0x3c0 [ 53.049421] ? __kfifo_alloc+0x174/0x290 [ 53.053580] __kfifo_alloc+0x174/0x290 [ 53.057495] gsm_dlci_alloc+0xd4/0x410 [ 53.061391] gsm_activate_mux+0x1f4/0x290 [ 53.065528] gsmld_open+0x4fa/0x7e0 [ 53.069144] ? gsmld_close+0x1f0/0x1f0 [ 53.073012] tty_ldisc_open+0x81/0xc0 [ 53.076797] tty_set_ldisc+0x2d2/0x650 [ 53.080676] tty_ioctl+0xb4b/0x1630 [ 53.084295] ? tty_fasync+0x300/0x300 [ 53.088080] ? get_pid_task+0xf4/0x190 [ 53.091968] ? proc_fail_nth_write+0x95/0x1d0 [ 53.096449] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.101377] ? mark_held_locks+0xf0/0xf0 [ 53.105457] ? __vfs_write+0xff/0x770 [ 53.109332] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.114248] ? common_file_perm+0x4e5/0x850 [ 53.118554] ? tty_fasync+0x300/0x300 [ 53.122358] do_vfs_ioctl+0xcdb/0x12e0 [ 53.126233] ? vfs_write+0x3d7/0x540 [ 53.129933] ? ioctl_preallocate+0x200/0x200 [ 53.134331] ? lock_downgrade+0x720/0x720 [ 53.138468] ? check_preemption_disabled+0x41/0x280 [ 53.143473] ? vfs_write+0x393/0x540 [ 53.147189] ? ksys_write+0x1c8/0x2a0 [ 53.151024] ksys_ioctl+0x9b/0xc0 [ 53.154497] __x64_sys_ioctl+0x6f/0xb0 [ 53.158420] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.162998] do_syscall_64+0xf9/0x620 [ 53.166809] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.171992] RIP: 0033:0x7fde667f1079 executing program [ 53.175694] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.194804] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.203812] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 53.211069] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 53.218324] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 53.225579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 53.232925] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.248215] FAULT_INJECTION: forcing a failure. [ 53.248215] name failslab, interval 1, probability 0, space 0, times 0 [ 53.259786] CPU: 1 PID: 8160 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 53.267663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 53.277016] Call Trace: [ 53.279621] dump_stack+0x1fc/0x2ef [ 53.283277] should_fail.cold+0xa/0xf [ 53.287158] ? setup_fault_attr+0x200/0x200 [ 53.291498] ? lock_acquire+0x170/0x3c0 [ 53.295468] __should_failslab+0x115/0x180 [ 53.299711] should_failslab+0x5/0x10 [ 53.303509] __kmalloc+0x2ab/0x3c0 [ 53.307139] ? __kfifo_alloc+0x174/0x290 [ 53.311211] __kfifo_alloc+0x174/0x290 [ 53.315164] gsm_dlci_alloc+0xd4/0x410 [ 53.319053] gsm_activate_mux+0x1f4/0x290 [ 53.323212] gsmld_open+0x4fa/0x7e0 [ 53.326825] ? gsmld_close+0x1f0/0x1f0 [ 53.330718] tty_ldisc_open+0x81/0xc0 [ 53.334517] tty_set_ldisc+0x2d2/0x650 [ 53.338398] tty_ioctl+0xb4b/0x1630 [ 53.342011] ? tty_fasync+0x300/0x300 [ 53.345798] ? get_pid_task+0xf4/0x190 [ 53.349771] ? proc_fail_nth_write+0x95/0x1d0 [ 53.354279] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.359219] ? mark_held_locks+0xf0/0xf0 [ 53.363283] ? __vfs_write+0xff/0x770 [ 53.367066] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.371990] ? common_file_perm+0x4e5/0x850 [ 53.376314] ? tty_fasync+0x300/0x300 [ 53.380111] do_vfs_ioctl+0xcdb/0x12e0 [ 53.383996] ? vfs_write+0x3d7/0x540 [ 53.387707] ? ioctl_preallocate+0x200/0x200 [ 53.392198] ? lock_downgrade+0x720/0x720 [ 53.396336] ? check_preemption_disabled+0x41/0x280 [ 53.401341] ? vfs_write+0x393/0x540 [ 53.405154] ? ksys_write+0x1c8/0x2a0 [ 53.409539] ksys_ioctl+0x9b/0xc0 [ 53.412987] __x64_sys_ioctl+0x6f/0xb0 [ 53.416878] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.421462] do_syscall_64+0xf9/0x620 [ 53.425266] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.430444] RIP: 0033:0x7fde667f1079 executing program [ 53.434144] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.453031] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.460723] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 53.467977] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 53.475246] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 53.482516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 53.489777] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.504982] FAULT_INJECTION: forcing a failure. [ 53.504982] name failslab, interval 1, probability 0, space 0, times 0 [ 53.516497] CPU: 1 PID: 8161 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 53.524374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 53.533730] Call Trace: [ 53.536323] dump_stack+0x1fc/0x2ef [ 53.539939] should_fail.cold+0xa/0xf [ 53.543802] ? setup_fault_attr+0x200/0x200 [ 53.548117] ? lock_acquire+0x170/0x3c0 [ 53.552086] __should_failslab+0x115/0x180 [ 53.556308] should_failslab+0x5/0x10 [ 53.560093] __kmalloc+0x2ab/0x3c0 [ 53.563618] ? __kfifo_alloc+0x174/0x290 [ 53.567663] __kfifo_alloc+0x174/0x290 [ 53.571538] gsm_dlci_alloc+0xd4/0x410 [ 53.575414] gsm_activate_mux+0x1f4/0x290 [ 53.579569] gsmld_open+0x4fa/0x7e0 [ 53.583178] ? gsmld_close+0x1f0/0x1f0 [ 53.587070] tty_ldisc_open+0x81/0xc0 [ 53.590859] tty_set_ldisc+0x2d2/0x650 [ 53.594748] tty_ioctl+0xb4b/0x1630 [ 53.598359] ? tty_fasync+0x300/0x300 [ 53.602146] ? get_pid_task+0xf4/0x190 [ 53.606038] ? proc_fail_nth_write+0x95/0x1d0 [ 53.610537] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.615457] ? mark_held_locks+0xf0/0xf0 [ 53.619521] ? __vfs_write+0xff/0x770 [ 53.623313] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.628229] ? common_file_perm+0x4e5/0x850 [ 53.632540] ? tty_fasync+0x300/0x300 [ 53.636327] do_vfs_ioctl+0xcdb/0x12e0 [ 53.640240] ? vfs_write+0x3d7/0x540 [ 53.644059] ? ioctl_preallocate+0x200/0x200 [ 53.648474] ? lock_downgrade+0x720/0x720 [ 53.652611] ? check_preemption_disabled+0x41/0x280 [ 53.657630] ? vfs_write+0x393/0x540 [ 53.661341] ? ksys_write+0x1c8/0x2a0 [ 53.665226] ksys_ioctl+0x9b/0xc0 [ 53.668825] __x64_sys_ioctl+0x6f/0xb0 [ 53.672721] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.677299] do_syscall_64+0xf9/0x620 [ 53.681098] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.686277] RIP: 0033:0x7fde667f1079 executing program [ 53.689980] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.708865] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.716577] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 53.723832] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 53.731087] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 53.738338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 53.745590] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.760966] FAULT_INJECTION: forcing a failure. [ 53.760966] name failslab, interval 1, probability 0, space 0, times 0 [ 53.772455] CPU: 0 PID: 8162 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 53.780352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 53.789727] Call Trace: [ 53.792342] dump_stack+0x1fc/0x2ef [ 53.795979] should_fail.cold+0xa/0xf [ 53.799774] ? setup_fault_attr+0x200/0x200 [ 53.804084] ? lock_acquire+0x170/0x3c0 [ 53.808049] __should_failslab+0x115/0x180 [ 53.812274] should_failslab+0x5/0x10 [ 53.816078] __kmalloc+0x2ab/0x3c0 [ 53.819623] ? __kfifo_alloc+0x174/0x290 [ 53.823681] __kfifo_alloc+0x174/0x290 [ 53.827562] gsm_dlci_alloc+0xd4/0x410 [ 53.831441] gsm_activate_mux+0x1f4/0x290 [ 53.835577] gsmld_open+0x4fa/0x7e0 [ 53.839191] ? gsmld_close+0x1f0/0x1f0 [ 53.843212] tty_ldisc_open+0x81/0xc0 [ 53.847008] tty_set_ldisc+0x2d2/0x650 [ 53.850903] tty_ioctl+0xb4b/0x1630 [ 53.854537] ? tty_fasync+0x300/0x300 [ 53.858328] ? get_pid_task+0xf4/0x190 [ 53.862208] ? proc_fail_nth_write+0x95/0x1d0 [ 53.866710] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.871742] ? mark_held_locks+0xf0/0xf0 [ 53.875802] ? __vfs_write+0xff/0x770 [ 53.879596] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 53.884516] ? common_file_perm+0x4e5/0x850 [ 53.888853] ? tty_fasync+0x300/0x300 [ 53.892672] do_vfs_ioctl+0xcdb/0x12e0 [ 53.896660] ? vfs_write+0x3d7/0x540 [ 53.900454] ? ioctl_preallocate+0x200/0x200 [ 53.904880] ? lock_downgrade+0x720/0x720 [ 53.909023] ? check_preemption_disabled+0x41/0x280 [ 53.914033] ? vfs_write+0x393/0x540 [ 53.917759] ? ksys_write+0x1c8/0x2a0 [ 53.921557] ksys_ioctl+0x9b/0xc0 [ 53.925006] __x64_sys_ioctl+0x6f/0xb0 [ 53.928990] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.933568] do_syscall_64+0xf9/0x620 [ 53.937360] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.942550] RIP: 0033:0x7fde667f1079 executing program [ 53.946277] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.965634] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.973345] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 53.980604] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 53.987861] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 53.995118] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 54.002389] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.025330] FAULT_INJECTION: forcing a failure. [ 54.025330] name failslab, interval 1, probability 0, space 0, times 0 [ 54.036740] CPU: 1 PID: 8163 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 54.044608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 54.053945] Call Trace: [ 54.056537] dump_stack+0x1fc/0x2ef [ 54.060160] should_fail.cold+0xa/0xf [ 54.063958] ? setup_fault_attr+0x200/0x200 [ 54.068281] ? lock_acquire+0x170/0x3c0 [ 54.072247] __should_failslab+0x115/0x180 [ 54.076483] should_failslab+0x5/0x10 [ 54.080289] __kmalloc+0x2ab/0x3c0 [ 54.083820] ? __kfifo_alloc+0x174/0x290 [ 54.087883] __kfifo_alloc+0x174/0x290 [ 54.091780] gsm_dlci_alloc+0xd4/0x410 [ 54.095656] gsm_activate_mux+0x1f4/0x290 [ 54.099793] gsmld_open+0x4fa/0x7e0 [ 54.103412] ? gsmld_close+0x1f0/0x1f0 [ 54.107281] tty_ldisc_open+0x81/0xc0 [ 54.111064] tty_set_ldisc+0x2d2/0x650 [ 54.115033] tty_ioctl+0xb4b/0x1630 [ 54.118650] ? tty_fasync+0x300/0x300 [ 54.122435] ? get_pid_task+0xf4/0x190 [ 54.126321] ? proc_fail_nth_write+0x95/0x1d0 [ 54.130798] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.135723] ? mark_held_locks+0xf0/0xf0 [ 54.139779] ? __vfs_write+0xff/0x770 [ 54.143572] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.148574] ? common_file_perm+0x4e5/0x850 [ 54.152883] ? tty_fasync+0x300/0x300 [ 54.156686] do_vfs_ioctl+0xcdb/0x12e0 [ 54.160798] ? vfs_write+0x3d7/0x540 [ 54.164511] ? ioctl_preallocate+0x200/0x200 [ 54.168912] ? lock_downgrade+0x720/0x720 [ 54.173069] ? check_preemption_disabled+0x41/0x280 [ 54.178076] ? vfs_write+0x393/0x540 [ 54.181844] ? ksys_write+0x1c8/0x2a0 [ 54.185648] ksys_ioctl+0x9b/0xc0 [ 54.189117] __x64_sys_ioctl+0x6f/0xb0 [ 54.193028] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 54.197596] do_syscall_64+0xf9/0x620 [ 54.201389] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.207527] RIP: 0033:0x7fde667f1079 executing program [ 54.211257] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.230242] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.237944] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 54.245304] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 54.252567] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 54.259825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 54.267079] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.289626] FAULT_INJECTION: forcing a failure. [ 54.289626] name failslab, interval 1, probability 0, space 0, times 0 [ 54.301063] CPU: 0 PID: 8164 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 54.308934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 54.318283] Call Trace: [ 54.320868] dump_stack+0x1fc/0x2ef [ 54.324489] should_fail.cold+0xa/0xf [ 54.328310] ? setup_fault_attr+0x200/0x200 [ 54.332625] ? lock_acquire+0x170/0x3c0 [ 54.336591] __should_failslab+0x115/0x180 [ 54.340820] should_failslab+0x5/0x10 [ 54.344609] __kmalloc+0x2ab/0x3c0 [ 54.348153] ? __kfifo_alloc+0x174/0x290 [ 54.352206] __kfifo_alloc+0x174/0x290 [ 54.356089] gsm_dlci_alloc+0xd4/0x410 [ 54.359965] gsm_activate_mux+0x1f4/0x290 [ 54.364101] gsmld_open+0x4fa/0x7e0 [ 54.367716] ? gsmld_close+0x1f0/0x1f0 [ 54.371612] tty_ldisc_open+0x81/0xc0 [ 54.375549] tty_set_ldisc+0x2d2/0x650 [ 54.379449] tty_ioctl+0xb4b/0x1630 [ 54.383094] ? tty_fasync+0x300/0x300 [ 54.386886] ? get_pid_task+0xf4/0x190 [ 54.390771] ? proc_fail_nth_write+0x95/0x1d0 [ 54.395432] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.400365] ? mark_held_locks+0xf0/0xf0 [ 54.404422] ? __vfs_write+0xff/0x770 [ 54.408247] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.413167] ? common_file_perm+0x4e5/0x850 [ 54.417483] ? tty_fasync+0x300/0x300 [ 54.421309] do_vfs_ioctl+0xcdb/0x12e0 [ 54.425190] ? vfs_write+0x3d7/0x540 [ 54.428977] ? ioctl_preallocate+0x200/0x200 [ 54.433458] ? lock_downgrade+0x720/0x720 [ 54.437598] ? check_preemption_disabled+0x41/0x280 [ 54.442603] ? vfs_write+0x393/0x540 [ 54.446316] ? ksys_write+0x1c8/0x2a0 [ 54.450122] ksys_ioctl+0x9b/0xc0 [ 54.453570] __x64_sys_ioctl+0x6f/0xb0 [ 54.457451] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 54.462127] do_syscall_64+0xf9/0x620 [ 54.465925] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.471112] RIP: 0033:0x7fde667f1079 executing program [ 54.474821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.493716] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.501420] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 54.508714] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 54.515983] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 54.523268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 54.530529] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.553613] FAULT_INJECTION: forcing a failure. [ 54.553613] name failslab, interval 1, probability 0, space 0, times 0 [ 54.564987] CPU: 1 PID: 8165 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 54.572872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 54.582217] Call Trace: [ 54.584797] dump_stack+0x1fc/0x2ef [ 54.588420] should_fail.cold+0xa/0xf [ 54.592217] ? setup_fault_attr+0x200/0x200 [ 54.596524] ? lock_acquire+0x170/0x3c0 [ 54.600573] __should_failslab+0x115/0x180 [ 54.604794] should_failslab+0x5/0x10 [ 54.608576] __kmalloc+0x2ab/0x3c0 [ 54.612110] ? __kfifo_alloc+0x174/0x290 [ 54.616156] __kfifo_alloc+0x174/0x290 [ 54.620035] gsm_dlci_alloc+0xd4/0x410 [ 54.623933] gsm_activate_mux+0x1f4/0x290 [ 54.628091] gsmld_open+0x4fa/0x7e0 [ 54.631859] ? gsmld_close+0x1f0/0x1f0 [ 54.635761] tty_ldisc_open+0x81/0xc0 [ 54.639570] tty_set_ldisc+0x2d2/0x650 [ 54.643464] tty_ioctl+0xb4b/0x1630 [ 54.647086] ? tty_fasync+0x300/0x300 [ 54.650878] ? get_pid_task+0xf4/0x190 [ 54.654750] ? proc_fail_nth_write+0x95/0x1d0 [ 54.659232] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.664155] ? mark_held_locks+0xf0/0xf0 [ 54.668305] ? __vfs_write+0xff/0x770 [ 54.672116] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.677070] ? common_file_perm+0x4e5/0x850 [ 54.681386] ? tty_fasync+0x300/0x300 [ 54.685224] do_vfs_ioctl+0xcdb/0x12e0 [ 54.689218] ? vfs_write+0x3d7/0x540 [ 54.692921] ? ioctl_preallocate+0x200/0x200 [ 54.697317] ? lock_downgrade+0x720/0x720 [ 54.701454] ? check_preemption_disabled+0x41/0x280 [ 54.706463] ? vfs_write+0x393/0x540 [ 54.710182] ? ksys_write+0x1c8/0x2a0 [ 54.713982] ksys_ioctl+0x9b/0xc0 [ 54.717433] __x64_sys_ioctl+0x6f/0xb0 [ 54.721409] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 54.725990] do_syscall_64+0xf9/0x620 [ 54.729938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.735118] RIP: 0033:0x7fde667f1079 executing program [ 54.738835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.757746] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.765756] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 54.773104] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 54.780566] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 54.787821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 54.795177] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.812326] FAULT_INJECTION: forcing a failure. [ 54.812326] name failslab, interval 1, probability 0, space 0, times 0 [ 54.823708] CPU: 1 PID: 8166 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 54.831587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 54.841196] Call Trace: [ 54.843800] dump_stack+0x1fc/0x2ef [ 54.847432] should_fail.cold+0xa/0xf [ 54.851237] ? setup_fault_attr+0x200/0x200 [ 54.855549] ? lock_acquire+0x170/0x3c0 [ 54.859531] __should_failslab+0x115/0x180 [ 54.863761] should_failslab+0x5/0x10 [ 54.867572] __kmalloc+0x2ab/0x3c0 [ 54.871108] ? __kfifo_alloc+0x174/0x290 [ 54.875180] __kfifo_alloc+0x174/0x290 [ 54.879064] gsm_dlci_alloc+0xd4/0x410 [ 54.882945] gsm_activate_mux+0x1f4/0x290 [ 54.887080] gsmld_open+0x4fa/0x7e0 [ 54.890698] ? gsmld_close+0x1f0/0x1f0 [ 54.894678] tty_ldisc_open+0x81/0xc0 [ 54.898619] tty_set_ldisc+0x2d2/0x650 [ 54.902716] tty_ioctl+0xb4b/0x1630 [ 54.906337] ? tty_fasync+0x300/0x300 [ 54.910142] ? get_pid_task+0xf4/0x190 [ 54.914042] ? proc_fail_nth_write+0x95/0x1d0 [ 54.918649] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.923583] ? mark_held_locks+0xf0/0xf0 [ 54.927645] ? __vfs_write+0xff/0x770 [ 54.931442] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 54.936359] ? common_file_perm+0x4e5/0x850 [ 54.940682] ? tty_fasync+0x300/0x300 [ 54.944468] do_vfs_ioctl+0xcdb/0x12e0 [ 54.948344] ? vfs_write+0x3d7/0x540 [ 54.952076] ? ioctl_preallocate+0x200/0x200 [ 54.956475] ? lock_downgrade+0x720/0x720 [ 54.960634] ? check_preemption_disabled+0x41/0x280 [ 54.965650] ? vfs_write+0x393/0x540 [ 54.969486] ? ksys_write+0x1c8/0x2a0 [ 54.973477] ksys_ioctl+0x9b/0xc0 [ 54.976936] __x64_sys_ioctl+0x6f/0xb0 [ 54.980816] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 54.985385] do_syscall_64+0xf9/0x620 [ 54.989195] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.994374] RIP: 0033:0x7fde667f1079 executing program [ 54.998085] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.016988] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.024684] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 55.031938] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 55.039202] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.046456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 55.053712] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.072383] FAULT_INJECTION: forcing a failure. [ 55.072383] name failslab, interval 1, probability 0, space 0, times 0 [ 55.083721] CPU: 1 PID: 8167 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 55.091631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 55.100992] Call Trace: [ 55.103589] dump_stack+0x1fc/0x2ef [ 55.107411] should_fail.cold+0xa/0xf [ 55.111204] ? setup_fault_attr+0x200/0x200 [ 55.115519] ? lock_acquire+0x170/0x3c0 [ 55.119499] __should_failslab+0x115/0x180 [ 55.123745] should_failslab+0x5/0x10 [ 55.127538] __kmalloc+0x2ab/0x3c0 [ 55.131069] ? __kfifo_alloc+0x174/0x290 [ 55.135129] __kfifo_alloc+0x174/0x290 [ 55.139005] gsm_dlci_alloc+0xd4/0x410 [ 55.142901] gsm_activate_mux+0x1f4/0x290 [ 55.147035] gsmld_open+0x4fa/0x7e0 [ 55.150664] ? gsmld_close+0x1f0/0x1f0 [ 55.154551] tty_ldisc_open+0x81/0xc0 [ 55.158336] tty_set_ldisc+0x2d2/0x650 [ 55.162210] tty_ioctl+0xb4b/0x1630 [ 55.165840] ? tty_fasync+0x300/0x300 [ 55.169626] ? get_pid_task+0xf4/0x190 [ 55.173498] ? proc_fail_nth_write+0x95/0x1d0 [ 55.177976] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.182905] ? mark_held_locks+0xf0/0xf0 [ 55.186978] ? __vfs_write+0xff/0x770 [ 55.190769] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.195700] ? common_file_perm+0x4e5/0x850 [ 55.200035] ? tty_fasync+0x300/0x300 [ 55.203849] do_vfs_ioctl+0xcdb/0x12e0 [ 55.207727] ? vfs_write+0x3d7/0x540 [ 55.211518] ? ioctl_preallocate+0x200/0x200 [ 55.215924] ? lock_downgrade+0x720/0x720 [ 55.220064] ? check_preemption_disabled+0x41/0x280 [ 55.225090] ? vfs_write+0x393/0x540 [ 55.228793] ? ksys_write+0x1c8/0x2a0 [ 55.232844] ksys_ioctl+0x9b/0xc0 [ 55.236313] __x64_sys_ioctl+0x6f/0xb0 [ 55.240214] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 55.244786] do_syscall_64+0xf9/0x620 [ 55.248591] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.253771] RIP: 0033:0x7fde667f1079 executing program [ 55.257470] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.276453] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.284947] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 55.292212] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 55.299481] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.306908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 55.314165] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.332336] FAULT_INJECTION: forcing a failure. [ 55.332336] name failslab, interval 1, probability 0, space 0, times 0 [ 55.343825] CPU: 1 PID: 8168 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 55.351831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 55.361172] Call Trace: [ 55.363778] dump_stack+0x1fc/0x2ef [ 55.367490] should_fail.cold+0xa/0xf [ 55.371280] ? setup_fault_attr+0x200/0x200 [ 55.375588] ? lock_acquire+0x170/0x3c0 [ 55.379666] __should_failslab+0x115/0x180 [ 55.383897] should_failslab+0x5/0x10 [ 55.387719] __kmalloc+0x2ab/0x3c0 [ 55.391264] ? __kfifo_alloc+0x174/0x290 [ 55.395320] __kfifo_alloc+0x174/0x290 [ 55.399221] gsm_dlci_alloc+0xd4/0x410 [ 55.403123] gsm_activate_mux+0x1f4/0x290 [ 55.407257] gsmld_open+0x4fa/0x7e0 [ 55.410870] ? gsmld_close+0x1f0/0x1f0 [ 55.414745] tty_ldisc_open+0x81/0xc0 [ 55.418971] tty_set_ldisc+0x2d2/0x650 [ 55.422883] tty_ioctl+0xb4b/0x1630 [ 55.426602] ? tty_fasync+0x300/0x300 [ 55.430399] ? get_pid_task+0xf4/0x190 [ 55.434343] ? proc_fail_nth_write+0x95/0x1d0 [ 55.438845] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.443774] ? mark_held_locks+0xf0/0xf0 [ 55.447828] ? __vfs_write+0xff/0x770 [ 55.451645] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.456748] ? common_file_perm+0x4e5/0x850 [ 55.461076] ? tty_fasync+0x300/0x300 [ 55.464880] do_vfs_ioctl+0xcdb/0x12e0 [ 55.468770] ? vfs_write+0x3d7/0x540 [ 55.472497] ? ioctl_preallocate+0x200/0x200 [ 55.476899] ? lock_downgrade+0x720/0x720 [ 55.481781] ? check_preemption_disabled+0x41/0x280 [ 55.486863] ? vfs_write+0x393/0x540 [ 55.490594] ? ksys_write+0x1c8/0x2a0 [ 55.494392] ksys_ioctl+0x9b/0xc0 [ 55.497842] __x64_sys_ioctl+0x6f/0xb0 [ 55.501726] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 55.506305] do_syscall_64+0xf9/0x620 [ 55.510108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.515280] RIP: 0033:0x7fde667f1079 executing program [ 55.518979] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.537977] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.545690] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 55.553305] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 55.560568] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.567930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 55.575185] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.592422] FAULT_INJECTION: forcing a failure. [ 55.592422] name failslab, interval 1, probability 0, space 0, times 0 [ 55.603872] CPU: 1 PID: 8169 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 55.611744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 55.621097] Call Trace: [ 55.623673] dump_stack+0x1fc/0x2ef [ 55.627288] should_fail.cold+0xa/0xf [ 55.631077] ? setup_fault_attr+0x200/0x200 [ 55.635399] ? lock_acquire+0x170/0x3c0 [ 55.639362] __should_failslab+0x115/0x180 [ 55.643598] should_failslab+0x5/0x10 [ 55.647474] __kmalloc+0x2ab/0x3c0 [ 55.650998] ? __kfifo_alloc+0x174/0x290 [ 55.655341] __kfifo_alloc+0x174/0x290 [ 55.659245] gsm_dlci_alloc+0xd4/0x410 [ 55.663142] gsm_activate_mux+0x1f4/0x290 [ 55.667283] gsmld_open+0x4fa/0x7e0 [ 55.670913] ? gsmld_close+0x1f0/0x1f0 [ 55.674788] tty_ldisc_open+0x81/0xc0 [ 55.678576] tty_set_ldisc+0x2d2/0x650 [ 55.682464] tty_ioctl+0xb4b/0x1630 [ 55.686079] ? tty_fasync+0x300/0x300 [ 55.689867] ? get_pid_task+0xf4/0x190 [ 55.693775] ? proc_fail_nth_write+0x95/0x1d0 [ 55.698255] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.703177] ? mark_held_locks+0xf0/0xf0 [ 55.707244] ? __vfs_write+0xff/0x770 [ 55.711048] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.715970] ? common_file_perm+0x4e5/0x850 [ 55.720303] ? tty_fasync+0x300/0x300 [ 55.724090] do_vfs_ioctl+0xcdb/0x12e0 [ 55.727982] ? vfs_write+0x3d7/0x540 [ 55.731699] ? ioctl_preallocate+0x200/0x200 [ 55.736174] ? lock_downgrade+0x720/0x720 [ 55.740369] ? check_preemption_disabled+0x41/0x280 [ 55.745638] ? vfs_write+0x393/0x540 [ 55.749361] ? ksys_write+0x1c8/0x2a0 [ 55.753163] ksys_ioctl+0x9b/0xc0 [ 55.756604] __x64_sys_ioctl+0x6f/0xb0 [ 55.760491] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 55.765061] do_syscall_64+0xf9/0x620 [ 55.768896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.774170] RIP: 0033:0x7fde667f1079 executing program [ 55.777867] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.796752] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.805747] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 55.813013] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 55.820267] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.827533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 55.834802] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.861488] FAULT_INJECTION: forcing a failure. [ 55.861488] name failslab, interval 1, probability 0, space 0, times 0 [ 55.872761] CPU: 0 PID: 8170 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 55.880642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 55.889999] Call Trace: [ 55.892607] dump_stack+0x1fc/0x2ef [ 55.896227] should_fail.cold+0xa/0xf [ 55.900030] ? setup_fault_attr+0x200/0x200 [ 55.904525] ? lock_acquire+0x170/0x3c0 [ 55.908497] __should_failslab+0x115/0x180 [ 55.912730] should_failslab+0x5/0x10 [ 55.916518] __kmalloc+0x2ab/0x3c0 [ 55.920058] ? __kfifo_alloc+0x174/0x290 [ 55.924221] __kfifo_alloc+0x174/0x290 [ 55.928118] gsm_dlci_alloc+0xd4/0x410 [ 55.932014] gsm_activate_mux+0x1f4/0x290 [ 55.936168] gsmld_open+0x4fa/0x7e0 [ 55.939786] ? gsmld_close+0x1f0/0x1f0 [ 55.943688] tty_ldisc_open+0x81/0xc0 [ 55.947595] tty_set_ldisc+0x2d2/0x650 [ 55.951492] tty_ioctl+0xb4b/0x1630 [ 55.955123] ? tty_fasync+0x300/0x300 [ 55.958914] ? get_pid_task+0xf4/0x190 [ 55.962792] ? proc_fail_nth_write+0x95/0x1d0 [ 55.967275] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.972192] ? mark_held_locks+0xf0/0xf0 [ 55.976336] ? __vfs_write+0xff/0x770 [ 55.980147] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 55.985084] ? common_file_perm+0x4e5/0x850 [ 55.989396] ? tty_fasync+0x300/0x300 [ 55.993188] do_vfs_ioctl+0xcdb/0x12e0 [ 55.997087] ? vfs_write+0x3d7/0x540 [ 56.000805] ? ioctl_preallocate+0x200/0x200 [ 56.005214] ? lock_downgrade+0x720/0x720 [ 56.009383] ? check_preemption_disabled+0x41/0x280 [ 56.014427] ? vfs_write+0x393/0x540 [ 56.018137] ? ksys_write+0x1c8/0x2a0 [ 56.021947] ksys_ioctl+0x9b/0xc0 [ 56.025409] __x64_sys_ioctl+0x6f/0xb0 [ 56.029300] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.034232] do_syscall_64+0xf9/0x620 [ 56.038036] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.043239] RIP: 0033:0x7fde667f1079 executing program [ 56.046968] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.065871] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.073610] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 56.080909] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 56.088173] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 56.095454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 56.102714] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.124997] FAULT_INJECTION: forcing a failure. [ 56.124997] name failslab, interval 1, probability 0, space 0, times 0 [ 56.136435] CPU: 1 PID: 8171 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 56.144407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 56.153757] Call Trace: [ 56.156345] dump_stack+0x1fc/0x2ef [ 56.160057] should_fail.cold+0xa/0xf [ 56.163848] ? setup_fault_attr+0x200/0x200 [ 56.168158] ? lock_acquire+0x170/0x3c0 [ 56.172124] __should_failslab+0x115/0x180 [ 56.176348] should_failslab+0x5/0x10 [ 56.180141] __kmalloc+0x2ab/0x3c0 [ 56.183685] ? __kfifo_alloc+0x174/0x290 [ 56.187733] __kfifo_alloc+0x174/0x290 [ 56.191609] gsm_dlci_alloc+0xd4/0x410 [ 56.195484] gsm_activate_mux+0x1f4/0x290 [ 56.199636] gsmld_open+0x4fa/0x7e0 [ 56.203260] ? gsmld_close+0x1f0/0x1f0 [ 56.207131] tty_ldisc_open+0x81/0xc0 [ 56.210976] tty_set_ldisc+0x2d2/0x650 [ 56.215544] tty_ioctl+0xb4b/0x1630 [ 56.219157] ? tty_fasync+0x300/0x300 [ 56.223045] ? get_pid_task+0xf4/0x190 [ 56.226928] ? proc_fail_nth_write+0x95/0x1d0 [ 56.231427] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.236342] ? mark_held_locks+0xf0/0xf0 [ 56.240409] ? __vfs_write+0xff/0x770 [ 56.244213] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.249128] ? common_file_perm+0x4e5/0x850 [ 56.253436] ? tty_fasync+0x300/0x300 [ 56.257221] do_vfs_ioctl+0xcdb/0x12e0 [ 56.261126] ? vfs_write+0x3d7/0x540 [ 56.264847] ? ioctl_preallocate+0x200/0x200 [ 56.269262] ? lock_downgrade+0x720/0x720 [ 56.273399] ? check_preemption_disabled+0x41/0x280 [ 56.278405] ? vfs_write+0x393/0x540 [ 56.282105] ? ksys_write+0x1c8/0x2a0 [ 56.285900] ksys_ioctl+0x9b/0xc0 [ 56.289360] __x64_sys_ioctl+0x6f/0xb0 [ 56.293236] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.297803] do_syscall_64+0xf9/0x620 [ 56.301591] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.306781] RIP: 0033:0x7fde667f1079 executing program [ 56.310490] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.329400] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.337094] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 56.344354] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 56.351702] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 56.359117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 56.366505] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.382642] FAULT_INJECTION: forcing a failure. [ 56.382642] name failslab, interval 1, probability 0, space 0, times 0 [ 56.394191] CPU: 1 PID: 8172 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 56.402071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 56.411792] Call Trace: [ 56.414460] dump_stack+0x1fc/0x2ef [ 56.418078] should_fail.cold+0xa/0xf [ 56.421959] ? setup_fault_attr+0x200/0x200 [ 56.426286] ? lock_acquire+0x170/0x3c0 [ 56.430272] __should_failslab+0x115/0x180 [ 56.434581] should_failslab+0x5/0x10 [ 56.438393] __kmalloc+0x2ab/0x3c0 [ 56.442092] ? __kfifo_alloc+0x174/0x290 [ 56.446139] __kfifo_alloc+0x174/0x290 [ 56.450017] gsm_dlci_alloc+0xd4/0x410 [ 56.453999] gsm_activate_mux+0x1f4/0x290 [ 56.458155] gsmld_open+0x4fa/0x7e0 [ 56.461855] ? gsmld_close+0x1f0/0x1f0 [ 56.465726] tty_ldisc_open+0x81/0xc0 [ 56.469513] tty_set_ldisc+0x2d2/0x650 [ 56.473476] tty_ioctl+0xb4b/0x1630 [ 56.477325] ? tty_fasync+0x300/0x300 [ 56.481114] ? get_pid_task+0xf4/0x190 [ 56.485073] ? proc_fail_nth_write+0x95/0x1d0 [ 56.489571] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.494510] ? mark_held_locks+0xf0/0xf0 [ 56.498601] ? __vfs_write+0xff/0x770 [ 56.502485] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.507409] ? common_file_perm+0x4e5/0x850 [ 56.511721] ? tty_fasync+0x300/0x300 [ 56.515514] do_vfs_ioctl+0xcdb/0x12e0 [ 56.519402] ? vfs_write+0x3d7/0x540 [ 56.523102] ? ioctl_preallocate+0x200/0x200 [ 56.527520] ? lock_downgrade+0x720/0x720 [ 56.531786] ? check_preemption_disabled+0x41/0x280 [ 56.536912] ? vfs_write+0x393/0x540 [ 56.540626] ? ksys_write+0x1c8/0x2a0 [ 56.544508] ksys_ioctl+0x9b/0xc0 [ 56.547974] __x64_sys_ioctl+0x6f/0xb0 [ 56.551868] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.556443] do_syscall_64+0xf9/0x620 [ 56.560251] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.565433] RIP: 0033:0x7fde667f1079 [ 56.569936] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.588993] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.596873] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 56.604129] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 56.611403] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 56.619861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 executing program [ 56.630647] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.645013] FAULT_INJECTION: forcing a failure. [ 56.645013] name failslab, interval 1, probability 0, space 0, times 0 [ 56.656574] CPU: 1 PID: 8173 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 56.664515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 56.673949] Call Trace: [ 56.676538] dump_stack+0x1fc/0x2ef [ 56.680240] should_fail.cold+0xa/0xf [ 56.684044] ? setup_fault_attr+0x200/0x200 [ 56.688368] ? lock_acquire+0x170/0x3c0 [ 56.692344] __should_failslab+0x115/0x180 [ 56.696563] should_failslab+0x5/0x10 [ 56.700347] __kmalloc+0x2ab/0x3c0 [ 56.703870] ? __kfifo_alloc+0x174/0x290 [ 56.707927] __kfifo_alloc+0x174/0x290 [ 56.711803] gsm_dlci_alloc+0xd4/0x410 [ 56.715681] gsm_activate_mux+0x1f4/0x290 [ 56.719811] gsmld_open+0x4fa/0x7e0 [ 56.723419] ? gsmld_close+0x1f0/0x1f0 [ 56.727290] tty_ldisc_open+0x81/0xc0 [ 56.731088] tty_set_ldisc+0x2d2/0x650 [ 56.735061] tty_ioctl+0xb4b/0x1630 [ 56.738727] ? tty_fasync+0x300/0x300 [ 56.742532] ? get_pid_task+0xf4/0x190 [ 56.746566] ? proc_fail_nth_write+0x95/0x1d0 [ 56.751071] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.756007] ? mark_held_locks+0xf0/0xf0 [ 56.760064] ? __vfs_write+0xff/0x770 [ 56.763880] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 56.768804] ? common_file_perm+0x4e5/0x850 [ 56.773117] ? tty_fasync+0x300/0x300 [ 56.776904] do_vfs_ioctl+0xcdb/0x12e0 [ 56.781122] ? vfs_write+0x3d7/0x540 [ 56.785105] ? ioctl_preallocate+0x200/0x200 [ 56.789607] ? lock_downgrade+0x720/0x720 [ 56.793828] ? check_preemption_disabled+0x41/0x280 [ 56.798882] ? vfs_write+0x393/0x540 [ 56.802581] ? ksys_write+0x1c8/0x2a0 [ 56.806386] ksys_ioctl+0x9b/0xc0 [ 56.809833] __x64_sys_ioctl+0x6f/0xb0 [ 56.813730] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.818302] do_syscall_64+0xf9/0x620 [ 56.822091] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.827265] RIP: 0033:0x7fde667f1079 [ 56.830980] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.849868] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.857702] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 56.864997] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 56.872252] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 executing program [ 56.879515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 56.886784] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.900865] FAULT_INJECTION: forcing a failure. [ 56.900865] name failslab, interval 1, probability 0, space 0, times 0 [ 56.912284] CPU: 1 PID: 8174 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 56.920457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 56.929796] Call Trace: [ 56.932378] dump_stack+0x1fc/0x2ef [ 56.936090] should_fail.cold+0xa/0xf [ 56.939880] ? setup_fault_attr+0x200/0x200 [ 56.944188] ? lock_acquire+0x170/0x3c0 [ 56.948159] __should_failslab+0x115/0x180 [ 56.952402] should_failslab+0x5/0x10 [ 56.956193] __kmalloc+0x2ab/0x3c0 [ 56.959719] ? __kfifo_alloc+0x174/0x290 [ 56.963852] __kfifo_alloc+0x174/0x290 [ 56.967727] gsm_dlci_alloc+0xd4/0x410 [ 56.971602] gsm_activate_mux+0x1f4/0x290 [ 56.975732] gsmld_open+0x4fa/0x7e0 [ 56.979341] ? gsmld_close+0x1f0/0x1f0 [ 56.983213] tty_ldisc_open+0x81/0xc0 [ 56.986998] tty_set_ldisc+0x2d2/0x650 [ 56.990873] tty_ioctl+0xb4b/0x1630 [ 56.994485] ? tty_fasync+0x300/0x300 [ 56.998272] ? get_pid_task+0xf4/0x190 [ 57.002142] ? proc_fail_nth_write+0x95/0x1d0 [ 57.006620] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.011535] ? mark_held_locks+0xf0/0xf0 [ 57.015580] ? __vfs_write+0xff/0x770 [ 57.019366] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.024283] ? common_file_perm+0x4e5/0x850 [ 57.028591] ? tty_fasync+0x300/0x300 [ 57.032379] do_vfs_ioctl+0xcdb/0x12e0 [ 57.036251] ? vfs_write+0x3d7/0x540 [ 57.039948] ? ioctl_preallocate+0x200/0x200 [ 57.044342] ? lock_downgrade+0x720/0x720 [ 57.048476] ? check_preemption_disabled+0x41/0x280 [ 57.053476] ? vfs_write+0x393/0x540 [ 57.057173] ? ksys_write+0x1c8/0x2a0 [ 57.060957] ksys_ioctl+0x9b/0xc0 [ 57.064396] __x64_sys_ioctl+0x6f/0xb0 [ 57.068266] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.072831] do_syscall_64+0xf9/0x620 [ 57.076630] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.081804] RIP: 0033:0x7fde667f1079 [ 57.085501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.104387] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.112096] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 57.119348] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 57.126603] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 executing program [ 57.133855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.141107] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.155194] FAULT_INJECTION: forcing a failure. [ 57.155194] name failslab, interval 1, probability 0, space 0, times 0 [ 57.166754] CPU: 1 PID: 8175 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 57.174639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.183979] Call Trace: [ 57.186554] dump_stack+0x1fc/0x2ef [ 57.190186] should_fail.cold+0xa/0xf [ 57.193974] ? setup_fault_attr+0x200/0x200 [ 57.198278] ? lock_acquire+0x170/0x3c0 [ 57.202235] __should_failslab+0x115/0x180 [ 57.206454] should_failslab+0x5/0x10 [ 57.210239] __kmalloc+0x2ab/0x3c0 [ 57.213763] ? __kfifo_alloc+0x174/0x290 [ 57.217806] __kfifo_alloc+0x174/0x290 [ 57.221681] gsm_dlci_alloc+0xd4/0x410 [ 57.225569] gsm_activate_mux+0x1f4/0x290 [ 57.229700] gsmld_open+0x4fa/0x7e0 [ 57.233308] ? gsmld_close+0x1f0/0x1f0 [ 57.237178] tty_ldisc_open+0x81/0xc0 [ 57.240963] tty_set_ldisc+0x2d2/0x650 [ 57.244834] tty_ioctl+0xb4b/0x1630 [ 57.248447] ? tty_fasync+0x300/0x300 [ 57.252232] ? get_pid_task+0xf4/0x190 [ 57.256105] ? proc_fail_nth_write+0x95/0x1d0 [ 57.260584] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.265512] ? mark_held_locks+0xf0/0xf0 [ 57.269559] ? __vfs_write+0xff/0x770 [ 57.273342] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.278259] ? common_file_perm+0x4e5/0x850 [ 57.282565] ? tty_fasync+0x300/0x300 [ 57.286353] do_vfs_ioctl+0xcdb/0x12e0 [ 57.290227] ? vfs_write+0x3d7/0x540 [ 57.293922] ? ioctl_preallocate+0x200/0x200 [ 57.298316] ? lock_downgrade+0x720/0x720 [ 57.302449] ? check_preemption_disabled+0x41/0x280 [ 57.307450] ? vfs_write+0x393/0x540 [ 57.311148] ? ksys_write+0x1c8/0x2a0 [ 57.314932] ksys_ioctl+0x9b/0xc0 [ 57.318374] __x64_sys_ioctl+0x6f/0xb0 [ 57.322244] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.326810] do_syscall_64+0xf9/0x620 [ 57.330598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.335789] RIP: 0033:0x7fde667f1079 [ 57.339487] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.358388] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.366095] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 57.373434] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 executing program [ 57.380688] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 57.388740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.395997] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.410238] FAULT_INJECTION: forcing a failure. [ 57.410238] name failslab, interval 1, probability 0, space 0, times 0 [ 57.421932] CPU: 1 PID: 8176 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 57.429995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.439342] Call Trace: [ 57.441921] dump_stack+0x1fc/0x2ef [ 57.445904] should_fail.cold+0xa/0xf [ 57.449693] ? setup_fault_attr+0x200/0x200 [ 57.454013] ? lock_acquire+0x170/0x3c0 [ 57.459026] __should_failslab+0x115/0x180 [ 57.463251] should_failslab+0x5/0x10 [ 57.467038] __kmalloc+0x2ab/0x3c0 [ 57.470586] ? __kfifo_alloc+0x174/0x290 [ 57.474735] __kfifo_alloc+0x174/0x290 [ 57.478627] gsm_dlci_alloc+0xd4/0x410 [ 57.482513] gsm_activate_mux+0x1f4/0x290 [ 57.486657] gsmld_open+0x4fa/0x7e0 [ 57.490279] ? gsmld_close+0x1f0/0x1f0 [ 57.494168] tty_ldisc_open+0x81/0xc0 [ 57.497966] tty_set_ldisc+0x2d2/0x650 [ 57.501845] tty_ioctl+0xb4b/0x1630 [ 57.505474] ? tty_fasync+0x300/0x300 [ 57.509284] ? get_pid_task+0xf4/0x190 [ 57.513168] ? proc_fail_nth_write+0x95/0x1d0 [ 57.517652] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.522798] ? mark_held_locks+0xf0/0xf0 [ 57.526851] ? __vfs_write+0xff/0x770 [ 57.530651] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.535604] ? common_file_perm+0x4e5/0x850 [ 57.539947] ? tty_fasync+0x300/0x300 [ 57.543739] do_vfs_ioctl+0xcdb/0x12e0 [ 57.547624] ? vfs_write+0x3d7/0x540 [ 57.551334] ? ioctl_preallocate+0x200/0x200 [ 57.555763] ? lock_downgrade+0x720/0x720 [ 57.559908] ? check_preemption_disabled+0x41/0x280 [ 57.564939] ? vfs_write+0x393/0x540 [ 57.568645] ? ksys_write+0x1c8/0x2a0 [ 57.572471] ksys_ioctl+0x9b/0xc0 [ 57.575916] __x64_sys_ioctl+0x6f/0xb0 [ 57.579791] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.584360] do_syscall_64+0xf9/0x620 [ 57.588239] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.593430] RIP: 0033:0x7fde667f1079 [ 57.597134] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.616487] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.624192] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 executing program [ 57.631479] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 57.638739] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 57.646003] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.653271] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.668667] FAULT_INJECTION: forcing a failure. [ 57.668667] name failslab, interval 1, probability 0, space 0, times 0 [ 57.680044] CPU: 1 PID: 8177 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 57.688071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.697424] Call Trace: [ 57.700003] dump_stack+0x1fc/0x2ef [ 57.703634] should_fail.cold+0xa/0xf [ 57.707428] ? setup_fault_attr+0x200/0x200 [ 57.711758] ? lock_acquire+0x170/0x3c0 [ 57.715724] __should_failslab+0x115/0x180 [ 57.719963] should_failslab+0x5/0x10 [ 57.723765] __kmalloc+0x2ab/0x3c0 [ 57.727319] ? __kfifo_alloc+0x174/0x290 [ 57.731516] __kfifo_alloc+0x174/0x290 [ 57.735415] gsm_dlci_alloc+0xd4/0x410 [ 57.739301] gsm_activate_mux+0x1f4/0x290 [ 57.743739] gsmld_open+0x4fa/0x7e0 [ 57.747360] ? gsmld_close+0x1f0/0x1f0 [ 57.751353] tty_ldisc_open+0x81/0xc0 [ 57.755168] tty_set_ldisc+0x2d2/0x650 [ 57.759058] tty_ioctl+0xb4b/0x1630 [ 57.762669] ? tty_fasync+0x300/0x300 [ 57.766467] ? get_pid_task+0xf4/0x190 [ 57.770348] ? proc_fail_nth_write+0x95/0x1d0 [ 57.774826] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.780026] ? mark_held_locks+0xf0/0xf0 [ 57.784088] ? __vfs_write+0xff/0x770 [ 57.787884] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 57.792809] ? common_file_perm+0x4e5/0x850 [ 57.797121] ? tty_fasync+0x300/0x300 [ 57.800917] do_vfs_ioctl+0xcdb/0x12e0 [ 57.804787] ? vfs_write+0x3d7/0x540 [ 57.808531] ? ioctl_preallocate+0x200/0x200 [ 57.813123] ? lock_downgrade+0x720/0x720 [ 57.817283] ? check_preemption_disabled+0x41/0x280 [ 57.822292] ? vfs_write+0x393/0x540 [ 57.825993] ? ksys_write+0x1c8/0x2a0 [ 57.829777] ksys_ioctl+0x9b/0xc0 [ 57.833216] __x64_sys_ioctl+0x6f/0xb0 [ 57.837136] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.841812] do_syscall_64+0xf9/0x620 [ 57.845608] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.850793] RIP: 0033:0x7fde667f1079 [ 57.854504] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.873399] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.881106] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 executing program [ 57.888393] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 57.895658] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 57.902944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.910203] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.931856] FAULT_INJECTION: forcing a failure. [ 57.931856] name failslab, interval 1, probability 0, space 0, times 0 [ 57.943161] CPU: 1 PID: 8178 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 57.951144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.960492] Call Trace: [ 57.963079] dump_stack+0x1fc/0x2ef [ 57.966707] should_fail.cold+0xa/0xf [ 57.970505] ? setup_fault_attr+0x200/0x200 [ 57.974814] ? lock_acquire+0x170/0x3c0 [ 57.978776] __should_failslab+0x115/0x180 [ 57.983024] should_failslab+0x5/0x10 [ 57.986896] __kmalloc+0x2ab/0x3c0 [ 57.990439] ? __kfifo_alloc+0x174/0x290 [ 57.994496] __kfifo_alloc+0x174/0x290 [ 57.998388] gsm_dlci_alloc+0xd4/0x410 [ 58.002263] gsm_activate_mux+0x1f4/0x290 [ 58.006403] gsmld_open+0x4fa/0x7e0 [ 58.010015] ? gsmld_close+0x1f0/0x1f0 [ 58.013916] tty_ldisc_open+0x81/0xc0 [ 58.017717] tty_set_ldisc+0x2d2/0x650 [ 58.021592] tty_ioctl+0xb4b/0x1630 [ 58.025201] ? tty_fasync+0x300/0x300 [ 58.028989] ? get_pid_task+0xf4/0x190 [ 58.032861] ? proc_fail_nth_write+0x95/0x1d0 [ 58.037341] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.042266] ? mark_held_locks+0xf0/0xf0 [ 58.046314] ? __vfs_write+0xff/0x770 [ 58.050125] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.055046] ? common_file_perm+0x4e5/0x850 [ 58.059364] ? tty_fasync+0x300/0x300 [ 58.063180] do_vfs_ioctl+0xcdb/0x12e0 [ 58.067064] ? vfs_write+0x3d7/0x540 [ 58.070766] ? ioctl_preallocate+0x200/0x200 [ 58.075168] ? lock_downgrade+0x720/0x720 [ 58.079331] ? check_preemption_disabled+0x41/0x280 [ 58.084351] ? vfs_write+0x393/0x540 [ 58.088079] ? ksys_write+0x1c8/0x2a0 [ 58.091873] ksys_ioctl+0x9b/0xc0 [ 58.095326] __x64_sys_ioctl+0x6f/0xb0 [ 58.099214] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 58.103793] do_syscall_64+0xf9/0x620 [ 58.107587] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.112832] RIP: 0033:0x7fde667f1079 [ 58.116544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 executing program [ 58.135437] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.143130] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 58.150393] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 58.157646] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.164987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 58.172260] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.191753] FAULT_INJECTION: forcing a failure. [ 58.191753] name failslab, interval 1, probability 0, space 0, times 0 [ 58.203134] CPU: 1 PID: 8179 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 58.211004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 58.220354] Call Trace: [ 58.223030] dump_stack+0x1fc/0x2ef [ 58.226727] should_fail.cold+0xa/0xf [ 58.231571] ? setup_fault_attr+0x200/0x200 [ 58.235894] ? lock_acquire+0x170/0x3c0 [ 58.239859] __should_failslab+0x115/0x180 [ 58.244086] should_failslab+0x5/0x10 [ 58.247879] __kmalloc+0x2ab/0x3c0 [ 58.251404] ? __kfifo_alloc+0x174/0x290 [ 58.255448] __kfifo_alloc+0x174/0x290 [ 58.259323] gsm_dlci_alloc+0xd4/0x410 [ 58.263205] gsm_activate_mux+0x1f4/0x290 [ 58.267334] gsmld_open+0x4fa/0x7e0 [ 58.270947] ? gsmld_close+0x1f0/0x1f0 [ 58.274828] tty_ldisc_open+0x81/0xc0 [ 58.278628] tty_set_ldisc+0x2d2/0x650 [ 58.282538] tty_ioctl+0xb4b/0x1630 [ 58.286155] ? tty_fasync+0x300/0x300 [ 58.289942] ? get_pid_task+0xf4/0x190 [ 58.293824] ? proc_fail_nth_write+0x95/0x1d0 [ 58.298309] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.303238] ? mark_held_locks+0xf0/0xf0 [ 58.307303] ? __vfs_write+0xff/0x770 [ 58.311098] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.316015] ? common_file_perm+0x4e5/0x850 [ 58.320338] ? tty_fasync+0x300/0x300 [ 58.324136] do_vfs_ioctl+0xcdb/0x12e0 [ 58.328013] ? vfs_write+0x3d7/0x540 [ 58.331728] ? ioctl_preallocate+0x200/0x200 [ 58.336130] ? lock_downgrade+0x720/0x720 [ 58.340265] ? check_preemption_disabled+0x41/0x280 [ 58.345265] ? vfs_write+0x393/0x540 [ 58.348964] ? ksys_write+0x1c8/0x2a0 [ 58.352759] ksys_ioctl+0x9b/0xc0 [ 58.356197] __x64_sys_ioctl+0x6f/0xb0 [ 58.360069] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 58.364632] do_syscall_64+0xf9/0x620 [ 58.368430] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.373606] RIP: 0033:0x7fde667f1079 executing program [ 58.377306] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.396286] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.403990] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 58.411351] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 58.418613] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.426311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 58.433575] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.447691] FAULT_INJECTION: forcing a failure. [ 58.447691] name failslab, interval 1, probability 0, space 0, times 0 [ 58.459311] CPU: 1 PID: 8180 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 58.467219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 58.476932] Call Trace: [ 58.479539] dump_stack+0x1fc/0x2ef [ 58.483163] should_fail.cold+0xa/0xf [ 58.486948] ? setup_fault_attr+0x200/0x200 [ 58.491261] ? lock_acquire+0x170/0x3c0 [ 58.495223] __should_failslab+0x115/0x180 [ 58.499694] should_failslab+0x5/0x10 [ 58.504008] __kmalloc+0x2ab/0x3c0 [ 58.507545] ? __kfifo_alloc+0x174/0x290 [ 58.511589] __kfifo_alloc+0x174/0x290 [ 58.515464] gsm_dlci_alloc+0xd4/0x410 [ 58.519348] gsm_activate_mux+0x1f4/0x290 [ 58.523827] gsmld_open+0x4fa/0x7e0 [ 58.527533] ? gsmld_close+0x1f0/0x1f0 [ 58.531402] tty_ldisc_open+0x81/0xc0 [ 58.535196] tty_set_ldisc+0x2d2/0x650 [ 58.539080] tty_ioctl+0xb4b/0x1630 [ 58.542704] ? tty_fasync+0x300/0x300 [ 58.546492] ? get_pid_task+0xf4/0x190 [ 58.550366] ? proc_fail_nth_write+0x95/0x1d0 [ 58.554848] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.559777] ? mark_held_locks+0xf0/0xf0 [ 58.563823] ? __vfs_write+0xff/0x770 [ 58.567604] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.572526] ? common_file_perm+0x4e5/0x850 [ 58.576841] ? tty_fasync+0x300/0x300 [ 58.580626] do_vfs_ioctl+0xcdb/0x12e0 [ 58.584600] ? vfs_write+0x3d7/0x540 [ 58.588300] ? ioctl_preallocate+0x200/0x200 [ 58.592695] ? lock_downgrade+0x720/0x720 [ 58.596862] ? check_preemption_disabled+0x41/0x280 [ 58.601973] ? vfs_write+0x393/0x540 [ 58.605681] ? ksys_write+0x1c8/0x2a0 [ 58.609520] ksys_ioctl+0x9b/0xc0 [ 58.612978] __x64_sys_ioctl+0x6f/0xb0 [ 58.616867] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 58.621436] do_syscall_64+0xf9/0x620 [ 58.625224] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.630417] RIP: 0033:0x7fde667f1079 executing program [ 58.634117] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.653093] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.660807] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 58.668418] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 58.675973] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.683236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 58.690494] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.704559] FAULT_INJECTION: forcing a failure. [ 58.704559] name failslab, interval 1, probability 0, space 0, times 0 [ 58.716971] CPU: 1 PID: 8181 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 58.725025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 58.734493] Call Trace: [ 58.737087] dump_stack+0x1fc/0x2ef [ 58.740715] should_fail.cold+0xa/0xf [ 58.744507] ? setup_fault_attr+0x200/0x200 [ 58.748836] ? lock_acquire+0x170/0x3c0 [ 58.752800] __should_failslab+0x115/0x180 [ 58.757025] should_failslab+0x5/0x10 [ 58.760811] __kmalloc+0x2ab/0x3c0 [ 58.764338] ? __kfifo_alloc+0x174/0x290 [ 58.768403] __kfifo_alloc+0x174/0x290 [ 58.772295] gsm_dlci_alloc+0xd4/0x410 [ 58.776174] gsm_activate_mux+0x1f4/0x290 [ 58.780315] gsmld_open+0x4fa/0x7e0 [ 58.783927] ? gsmld_close+0x1f0/0x1f0 [ 58.787823] tty_ldisc_open+0x81/0xc0 [ 58.791640] tty_set_ldisc+0x2d2/0x650 [ 58.795536] tty_ioctl+0xb4b/0x1630 [ 58.799153] ? tty_fasync+0x300/0x300 [ 58.802955] ? get_pid_task+0xf4/0x190 [ 58.806832] ? proc_fail_nth_write+0x95/0x1d0 [ 58.811317] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.816233] ? mark_held_locks+0xf0/0xf0 [ 58.820485] ? __vfs_write+0xff/0x770 [ 58.824273] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 58.829204] ? common_file_perm+0x4e5/0x850 [ 58.833513] ? tty_fasync+0x300/0x300 [ 58.837321] do_vfs_ioctl+0xcdb/0x12e0 [ 58.842021] ? vfs_write+0x3d7/0x540 [ 58.845830] ? ioctl_preallocate+0x200/0x200 [ 58.850245] ? lock_downgrade+0x720/0x720 [ 58.854386] ? check_preemption_disabled+0x41/0x280 [ 58.859400] ? vfs_write+0x393/0x540 [ 58.863099] ? ksys_write+0x1c8/0x2a0 [ 58.866901] ksys_ioctl+0x9b/0xc0 [ 58.870457] __x64_sys_ioctl+0x6f/0xb0 [ 58.874342] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 58.878916] do_syscall_64+0xf9/0x620 [ 58.882710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.887912] RIP: 0033:0x7fde667f1079 executing program [ 58.891612] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.910587] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.918284] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 58.925556] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 58.932923] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.940555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 58.947818] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.962224] FAULT_INJECTION: forcing a failure. [ 58.962224] name failslab, interval 1, probability 0, space 0, times 0 [ 58.973613] CPU: 1 PID: 8182 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 58.981514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 58.990912] Call Trace: [ 58.993505] dump_stack+0x1fc/0x2ef [ 58.997124] should_fail.cold+0xa/0xf [ 59.002416] ? setup_fault_attr+0x200/0x200 [ 59.006746] ? lock_acquire+0x170/0x3c0 [ 59.010722] __should_failslab+0x115/0x180 [ 59.014958] should_failslab+0x5/0x10 [ 59.018760] __kmalloc+0x2ab/0x3c0 [ 59.022313] ? __kfifo_alloc+0x174/0x290 [ 59.026399] __kfifo_alloc+0x174/0x290 [ 59.030304] gsm_dlci_alloc+0xd4/0x410 [ 59.034181] gsm_activate_mux+0x1f4/0x290 [ 59.038318] gsmld_open+0x4fa/0x7e0 [ 59.041938] ? gsmld_close+0x1f0/0x1f0 [ 59.045879] tty_ldisc_open+0x81/0xc0 [ 59.049751] tty_set_ldisc+0x2d2/0x650 [ 59.053647] tty_ioctl+0xb4b/0x1630 [ 59.057260] ? tty_fasync+0x300/0x300 [ 59.061046] ? get_pid_task+0xf4/0x190 [ 59.064923] ? proc_fail_nth_write+0x95/0x1d0 [ 59.069404] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.074328] ? mark_held_locks+0xf0/0xf0 [ 59.078385] ? __vfs_write+0xff/0x770 [ 59.082171] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.087087] ? common_file_perm+0x4e5/0x850 [ 59.091484] ? tty_fasync+0x300/0x300 [ 59.095373] do_vfs_ioctl+0xcdb/0x12e0 [ 59.099262] ? vfs_write+0x3d7/0x540 [ 59.103026] ? ioctl_preallocate+0x200/0x200 [ 59.107882] ? lock_downgrade+0x720/0x720 [ 59.112026] ? check_preemption_disabled+0x41/0x280 [ 59.117056] ? vfs_write+0x393/0x540 [ 59.120900] ? ksys_write+0x1c8/0x2a0 [ 59.124717] ksys_ioctl+0x9b/0xc0 [ 59.128176] __x64_sys_ioctl+0x6f/0xb0 [ 59.132089] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 59.136666] do_syscall_64+0xf9/0x620 [ 59.140476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.145656] RIP: 0033:0x7fde667f1079 executing program [ 59.149441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.168445] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.176149] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 59.183447] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 59.190719] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 59.197983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 59.205239] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.219393] FAULT_INJECTION: forcing a failure. [ 59.219393] name failslab, interval 1, probability 0, space 0, times 0 [ 59.231003] CPU: 1 PID: 8183 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 59.239028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 59.248369] Call Trace: [ 59.250943] dump_stack+0x1fc/0x2ef [ 59.254553] should_fail.cold+0xa/0xf [ 59.258354] ? setup_fault_attr+0x200/0x200 [ 59.262660] ? lock_acquire+0x170/0x3c0 [ 59.266622] __should_failslab+0x115/0x180 [ 59.270841] should_failslab+0x5/0x10 [ 59.274626] __kmalloc+0x2ab/0x3c0 [ 59.278161] ? __kfifo_alloc+0x174/0x290 [ 59.282205] __kfifo_alloc+0x174/0x290 [ 59.286090] gsm_dlci_alloc+0xd4/0x410 [ 59.289976] gsm_activate_mux+0x1f4/0x290 [ 59.294127] gsmld_open+0x4fa/0x7e0 [ 59.297754] ? gsmld_close+0x1f0/0x1f0 [ 59.301818] tty_ldisc_open+0x81/0xc0 [ 59.305603] tty_set_ldisc+0x2d2/0x650 [ 59.309492] tty_ioctl+0xb4b/0x1630 [ 59.313103] ? tty_fasync+0x300/0x300 [ 59.316902] ? get_pid_task+0xf4/0x190 [ 59.320775] ? proc_fail_nth_write+0x95/0x1d0 [ 59.325265] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.330181] ? mark_held_locks+0xf0/0xf0 [ 59.334227] ? __vfs_write+0xff/0x770 [ 59.338023] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.342938] ? common_file_perm+0x4e5/0x850 [ 59.347254] ? tty_fasync+0x300/0x300 [ 59.351050] do_vfs_ioctl+0xcdb/0x12e0 [ 59.354921] ? vfs_write+0x3d7/0x540 [ 59.358629] ? ioctl_preallocate+0x200/0x200 [ 59.363022] ? lock_downgrade+0x720/0x720 [ 59.367158] ? check_preemption_disabled+0x41/0x280 [ 59.372172] ? vfs_write+0x393/0x540 [ 59.375873] ? ksys_write+0x1c8/0x2a0 [ 59.379657] ksys_ioctl+0x9b/0xc0 [ 59.383184] __x64_sys_ioctl+0x6f/0xb0 [ 59.387101] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 59.392024] do_syscall_64+0xf9/0x620 [ 59.395814] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.401011] RIP: 0033:0x7fde667f1079 executing program [ 59.404714] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.425361] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.433143] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 59.440500] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 59.447790] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 59.455058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 59.463158] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.481513] FAULT_INJECTION: forcing a failure. [ 59.481513] name failslab, interval 1, probability 0, space 0, times 0 [ 59.492876] CPU: 1 PID: 8184 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 59.500756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 59.510099] Call Trace: [ 59.512681] dump_stack+0x1fc/0x2ef [ 59.516294] should_fail.cold+0xa/0xf [ 59.520082] ? setup_fault_attr+0x200/0x200 [ 59.524389] ? lock_acquire+0x170/0x3c0 [ 59.528352] __should_failslab+0x115/0x180 [ 59.532575] should_failslab+0x5/0x10 [ 59.536372] __kmalloc+0x2ab/0x3c0 [ 59.539897] ? __kfifo_alloc+0x174/0x290 [ 59.543947] __kfifo_alloc+0x174/0x290 [ 59.547838] gsm_dlci_alloc+0xd4/0x410 [ 59.551712] gsm_activate_mux+0x1f4/0x290 [ 59.556125] gsmld_open+0x4fa/0x7e0 [ 59.559744] ? gsmld_close+0x1f0/0x1f0 [ 59.563616] tty_ldisc_open+0x81/0xc0 [ 59.567419] tty_set_ldisc+0x2d2/0x650 [ 59.571294] tty_ioctl+0xb4b/0x1630 [ 59.574920] ? tty_fasync+0x300/0x300 [ 59.578725] ? get_pid_task+0xf4/0x190 [ 59.582600] ? proc_fail_nth_write+0x95/0x1d0 [ 59.587081] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.592001] ? mark_held_locks+0xf0/0xf0 [ 59.596053] ? __vfs_write+0xff/0x770 [ 59.599856] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.604779] ? common_file_perm+0x4e5/0x850 [ 59.609091] ? tty_fasync+0x300/0x300 [ 59.612896] do_vfs_ioctl+0xcdb/0x12e0 [ 59.616770] ? vfs_write+0x3d7/0x540 [ 59.620480] ? ioctl_preallocate+0x200/0x200 [ 59.624876] ? lock_downgrade+0x720/0x720 [ 59.629045] ? check_preemption_disabled+0x41/0x280 [ 59.634048] ? vfs_write+0x393/0x540 [ 59.637752] ? ksys_write+0x1c8/0x2a0 [ 59.641545] ksys_ioctl+0x9b/0xc0 [ 59.644987] __x64_sys_ioctl+0x6f/0xb0 [ 59.648861] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 59.653432] do_syscall_64+0xf9/0x620 [ 59.657223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.662519] RIP: 0033:0x7fde667f1079 executing program [ 59.666247] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.685675] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.693373] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 59.700642] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 59.707898] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 59.715153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 59.722497] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.736541] FAULT_INJECTION: forcing a failure. [ 59.736541] name failslab, interval 1, probability 0, space 0, times 0 [ 59.748019] CPU: 1 PID: 8185 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 59.755906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 59.765273] Call Trace: [ 59.767856] dump_stack+0x1fc/0x2ef [ 59.771473] should_fail.cold+0xa/0xf [ 59.775361] ? setup_fault_attr+0x200/0x200 [ 59.779697] ? lock_acquire+0x170/0x3c0 [ 59.783673] __should_failslab+0x115/0x180 [ 59.787918] should_failslab+0x5/0x10 [ 59.791717] __kmalloc+0x2ab/0x3c0 [ 59.795330] ? __kfifo_alloc+0x174/0x290 [ 59.799380] __kfifo_alloc+0x174/0x290 [ 59.803257] gsm_dlci_alloc+0xd4/0x410 [ 59.807131] gsm_activate_mux+0x1f4/0x290 [ 59.811265] gsmld_open+0x4fa/0x7e0 [ 59.814879] ? gsmld_close+0x1f0/0x1f0 [ 59.818771] tty_ldisc_open+0x81/0xc0 [ 59.822905] tty_set_ldisc+0x2d2/0x650 [ 59.826791] tty_ioctl+0xb4b/0x1630 [ 59.830423] ? tty_fasync+0x300/0x300 [ 59.834213] ? get_pid_task+0xf4/0x190 [ 59.838091] ? proc_fail_nth_write+0x95/0x1d0 [ 59.842585] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.847529] ? mark_held_locks+0xf0/0xf0 [ 59.851577] ? __vfs_write+0xff/0x770 [ 59.855363] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 59.860285] ? common_file_perm+0x4e5/0x850 [ 59.864593] ? tty_fasync+0x300/0x300 [ 59.868389] do_vfs_ioctl+0xcdb/0x12e0 [ 59.872260] ? vfs_write+0x3d7/0x540 [ 59.875958] ? ioctl_preallocate+0x200/0x200 [ 59.880357] ? lock_downgrade+0x720/0x720 [ 59.884495] ? check_preemption_disabled+0x41/0x280 [ 59.889502] ? vfs_write+0x393/0x540 [ 59.893203] ? ksys_write+0x1c8/0x2a0 [ 59.896989] ksys_ioctl+0x9b/0xc0 [ 59.900434] __x64_sys_ioctl+0x6f/0xb0 [ 59.904321] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 59.908891] do_syscall_64+0xf9/0x620 [ 59.912680] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.917855] RIP: 0033:0x7fde667f1079 executing program [ 59.921573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.940546] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.948240] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 59.955521] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 59.962777] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 59.970041] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 59.977299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.992613] FAULT_INJECTION: forcing a failure. [ 59.992613] name failslab, interval 1, probability 0, space 0, times 0 [ 60.003979] CPU: 1 PID: 8186 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 60.011864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 60.021205] Call Trace: [ 60.023780] dump_stack+0x1fc/0x2ef [ 60.027395] should_fail.cold+0xa/0xf [ 60.031184] ? setup_fault_attr+0x200/0x200 [ 60.035503] ? lock_acquire+0x170/0x3c0 [ 60.039558] __should_failslab+0x115/0x180 [ 60.043781] should_failslab+0x5/0x10 [ 60.047567] __kmalloc+0x2ab/0x3c0 [ 60.051107] ? __kfifo_alloc+0x174/0x290 [ 60.055154] __kfifo_alloc+0x174/0x290 [ 60.059056] gsm_dlci_alloc+0xd4/0x410 [ 60.062931] gsm_activate_mux+0x1f4/0x290 [ 60.067080] gsmld_open+0x4fa/0x7e0 [ 60.070882] ? gsmld_close+0x1f0/0x1f0 [ 60.074757] tty_ldisc_open+0x81/0xc0 [ 60.078558] tty_set_ldisc+0x2d2/0x650 [ 60.082433] tty_ioctl+0xb4b/0x1630 [ 60.086044] ? tty_fasync+0x300/0x300 [ 60.089849] ? get_pid_task+0xf4/0x190 [ 60.093722] ? proc_fail_nth_write+0x95/0x1d0 [ 60.098219] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.103139] ? mark_held_locks+0xf0/0xf0 [ 60.107205] ? __vfs_write+0xff/0x770 [ 60.110992] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.115904] ? common_file_perm+0x4e5/0x850 [ 60.120229] ? tty_fasync+0x300/0x300 [ 60.124015] do_vfs_ioctl+0xcdb/0x12e0 [ 60.127895] ? vfs_write+0x3d7/0x540 [ 60.131592] ? ioctl_preallocate+0x200/0x200 [ 60.135986] ? lock_downgrade+0x720/0x720 [ 60.140129] ? check_preemption_disabled+0x41/0x280 [ 60.145132] ? vfs_write+0x393/0x540 [ 60.148874] ? ksys_write+0x1c8/0x2a0 [ 60.152674] ksys_ioctl+0x9b/0xc0 [ 60.156113] __x64_sys_ioctl+0x6f/0xb0 [ 60.159985] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 60.164562] do_syscall_64+0xf9/0x620 [ 60.168360] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.173533] RIP: 0033:0x7fde667f1079 executing program [ 60.177249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.196220] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.203913] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 60.211169] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 60.218423] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.225685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 60.233025] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 60.246985] FAULT_INJECTION: forcing a failure. [ 60.246985] name failslab, interval 1, probability 0, space 0, times 0 [ 60.258352] CPU: 1 PID: 8187 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 60.266237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 60.275578] Call Trace: [ 60.278158] dump_stack+0x1fc/0x2ef [ 60.281955] should_fail.cold+0xa/0xf [ 60.285759] ? setup_fault_attr+0x200/0x200 [ 60.290068] ? lock_acquire+0x170/0x3c0 [ 60.294045] __should_failslab+0x115/0x180 [ 60.298265] should_failslab+0x5/0x10 [ 60.302057] __kmalloc+0x2ab/0x3c0 [ 60.305596] ? __kfifo_alloc+0x174/0x290 [ 60.309641] __kfifo_alloc+0x174/0x290 [ 60.313542] gsm_dlci_alloc+0xd4/0x410 [ 60.317430] gsm_activate_mux+0x1f4/0x290 [ 60.321561] gsmld_open+0x4fa/0x7e0 [ 60.325181] ? gsmld_close+0x1f0/0x1f0 [ 60.329057] tty_ldisc_open+0x81/0xc0 [ 60.332845] tty_set_ldisc+0x2d2/0x650 [ 60.336721] tty_ioctl+0xb4b/0x1630 [ 60.340335] ? tty_fasync+0x300/0x300 [ 60.344120] ? get_pid_task+0xf4/0x190 [ 60.347995] ? proc_fail_nth_write+0x95/0x1d0 [ 60.352561] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.357476] ? mark_held_locks+0xf0/0xf0 [ 60.361632] ? __vfs_write+0xff/0x770 [ 60.365416] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.370330] ? common_file_perm+0x4e5/0x850 [ 60.374640] ? tty_fasync+0x300/0x300 [ 60.378436] do_vfs_ioctl+0xcdb/0x12e0 [ 60.382310] ? vfs_write+0x3d7/0x540 [ 60.386024] ? ioctl_preallocate+0x200/0x200 [ 60.390419] ? lock_downgrade+0x720/0x720 [ 60.394553] ? check_preemption_disabled+0x41/0x280 [ 60.399559] ? vfs_write+0x393/0x540 [ 60.403260] ? ksys_write+0x1c8/0x2a0 [ 60.407047] ksys_ioctl+0x9b/0xc0 [ 60.410486] __x64_sys_ioctl+0x6f/0xb0 [ 60.414359] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 60.419099] do_syscall_64+0xf9/0x620 [ 60.422888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.428063] RIP: 0033:0x7fde667f1079 executing program [ 60.431764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.450651] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.458352] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 60.465879] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 60.473223] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.480480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 60.487750] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 60.502009] FAULT_INJECTION: forcing a failure. [ 60.502009] name failslab, interval 1, probability 0, space 0, times 0 [ 60.513392] CPU: 1 PID: 8188 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 60.521369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 60.530716] Call Trace: [ 60.533315] dump_stack+0x1fc/0x2ef [ 60.536955] should_fail.cold+0xa/0xf [ 60.540750] ? setup_fault_attr+0x200/0x200 [ 60.545061] ? lock_acquire+0x170/0x3c0 [ 60.549028] __should_failslab+0x115/0x180 [ 60.553254] should_failslab+0x5/0x10 [ 60.557041] __kmalloc+0x2ab/0x3c0 [ 60.560566] ? __kfifo_alloc+0x174/0x290 [ 60.564793] __kfifo_alloc+0x174/0x290 [ 60.568669] gsm_dlci_alloc+0xd4/0x410 [ 60.572541] gsm_activate_mux+0x1f4/0x290 [ 60.576683] gsmld_open+0x4fa/0x7e0 [ 60.580321] ? gsmld_close+0x1f0/0x1f0 [ 60.584192] tty_ldisc_open+0x81/0xc0 [ 60.587992] tty_set_ldisc+0x2d2/0x650 [ 60.591956] tty_ioctl+0xb4b/0x1630 [ 60.595568] ? tty_fasync+0x300/0x300 [ 60.599367] ? get_pid_task+0xf4/0x190 [ 60.603263] ? proc_fail_nth_write+0x95/0x1d0 [ 60.607741] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.612656] ? mark_held_locks+0xf0/0xf0 [ 60.616702] ? __vfs_write+0xff/0x770 [ 60.620489] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.625584] ? common_file_perm+0x4e5/0x850 [ 60.629890] ? tty_fasync+0x300/0x300 [ 60.633682] do_vfs_ioctl+0xcdb/0x12e0 [ 60.637650] ? vfs_write+0x3d7/0x540 [ 60.641346] ? ioctl_preallocate+0x200/0x200 [ 60.645840] ? lock_downgrade+0x720/0x720 [ 60.650011] ? check_preemption_disabled+0x41/0x280 [ 60.655059] ? vfs_write+0x393/0x540 [ 60.658877] ? ksys_write+0x1c8/0x2a0 [ 60.662676] ksys_ioctl+0x9b/0xc0 [ 60.666132] __x64_sys_ioctl+0x6f/0xb0 [ 60.670025] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 60.674716] do_syscall_64+0xf9/0x620 [ 60.678526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.683719] RIP: 0033:0x7fde667f1079 executing program [ 60.687421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.706596] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.714297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 60.721572] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 60.729112] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.736364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 60.743619] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 60.757883] FAULT_INJECTION: forcing a failure. [ 60.757883] name failslab, interval 1, probability 0, space 0, times 0 [ 60.769514] CPU: 1 PID: 8189 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 60.777407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 60.786751] Call Trace: [ 60.789332] dump_stack+0x1fc/0x2ef [ 60.792955] should_fail.cold+0xa/0xf [ 60.796743] ? setup_fault_attr+0x200/0x200 [ 60.801052] ? lock_acquire+0x170/0x3c0 [ 60.805034] __should_failslab+0x115/0x180 [ 60.809256] should_failslab+0x5/0x10 [ 60.813053] __kmalloc+0x2ab/0x3c0 [ 60.816578] ? __kfifo_alloc+0x174/0x290 [ 60.820661] __kfifo_alloc+0x174/0x290 [ 60.824558] gsm_dlci_alloc+0xd4/0x410 [ 60.828449] gsm_activate_mux+0x1f4/0x290 [ 60.832584] gsmld_open+0x4fa/0x7e0 [ 60.836216] ? gsmld_close+0x1f0/0x1f0 [ 60.840093] tty_ldisc_open+0x81/0xc0 [ 60.843880] tty_set_ldisc+0x2d2/0x650 [ 60.847759] tty_ioctl+0xb4b/0x1630 [ 60.851371] ? tty_fasync+0x300/0x300 [ 60.855171] ? get_pid_task+0xf4/0x190 [ 60.859045] ? proc_fail_nth_write+0x95/0x1d0 [ 60.863537] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.868484] ? mark_held_locks+0xf0/0xf0 [ 60.872554] ? __vfs_write+0xff/0x770 [ 60.876338] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 60.881271] ? common_file_perm+0x4e5/0x850 [ 60.885583] ? tty_fasync+0x300/0x300 [ 60.889370] do_vfs_ioctl+0xcdb/0x12e0 [ 60.893245] ? vfs_write+0x3d7/0x540 [ 60.896961] ? ioctl_preallocate+0x200/0x200 [ 60.901362] ? lock_downgrade+0x720/0x720 [ 60.905497] ? check_preemption_disabled+0x41/0x280 [ 60.910502] ? vfs_write+0x393/0x540 [ 60.914216] ? ksys_write+0x1c8/0x2a0 [ 60.918089] ksys_ioctl+0x9b/0xc0 [ 60.921553] __x64_sys_ioctl+0x6f/0xb0 [ 60.925460] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 60.930043] do_syscall_64+0xf9/0x620 [ 60.933842] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.939020] RIP: 0033:0x7fde667f1079 executing program [ 60.942718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.961781] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.969481] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 60.976747] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 60.984016] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.991278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 60.998538] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 61.026964] FAULT_INJECTION: forcing a failure. [ 61.026964] name failslab, interval 1, probability 0, space 0, times 0 [ 61.039487] CPU: 0 PID: 8190 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 61.047384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 61.056747] Call Trace: [ 61.059330] dump_stack+0x1fc/0x2ef [ 61.062947] should_fail.cold+0xa/0xf [ 61.066930] ? setup_fault_attr+0x200/0x200 [ 61.071245] ? lock_acquire+0x170/0x3c0 [ 61.075210] __should_failslab+0x115/0x180 [ 61.079445] should_failslab+0x5/0x10 [ 61.083251] kmem_cache_alloc_trace+0x284/0x380 [ 61.087931] tty_register_device_attr+0x21c/0x7a0 [ 61.092785] ? redirected_tty_write+0xb0/0xb0 [ 61.097270] ? __lockdep_init_map+0x100/0x5a0 [ 61.101760] ? __raw_spin_lock_init+0x28/0x100 [ 61.106445] ? tty_port_init+0x14d/0x1b0 [ 61.110513] ? gsm_dlci_alloc+0x353/0x410 [ 61.114662] gsmld_open+0x55f/0x7e0 [ 61.118294] ? gsmld_close+0x1f0/0x1f0 [ 61.122175] tty_ldisc_open+0x81/0xc0 [ 61.125975] tty_set_ldisc+0x2d2/0x650 [ 61.129867] tty_ioctl+0xb4b/0x1630 [ 61.133490] ? tty_fasync+0x300/0x300 [ 61.137279] ? get_pid_task+0xf4/0x190 [ 61.141175] ? proc_fail_nth_write+0x95/0x1d0 [ 61.145656] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 61.150651] ? mark_held_locks+0xf0/0xf0 [ 61.154815] ? __vfs_write+0xff/0x770 [ 61.158703] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 61.163623] ? common_file_perm+0x4e5/0x850 [ 61.167962] ? tty_fasync+0x300/0x300 [ 61.171794] do_vfs_ioctl+0xcdb/0x12e0 [ 61.175675] ? vfs_write+0x3d7/0x540 [ 61.179383] ? ioctl_preallocate+0x200/0x200 [ 61.183797] ? lock_downgrade+0x720/0x720 [ 61.187952] ? check_preemption_disabled+0x41/0x280 [ 61.192961] ? vfs_write+0x393/0x540 [ 61.196681] ? ksys_write+0x1c8/0x2a0 [ 61.200482] ksys_ioctl+0x9b/0xc0 [ 61.203922] __x64_sys_ioctl+0x6f/0xb0 [ 61.207798] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 61.212365] do_syscall_64+0xf9/0x620 [ 61.216165] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.221354] RIP: 0033:0x7fde667f1079 [ 61.225071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 61.243972] RSP: 002b:00007ffc3ffd54d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.251712] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde667f1079 [ 61.258972] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 61.266356] RBP: 00007ffc3ffd54f0 R08: 0000000000000001 R09: 0000000000000001 [ 61.273613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 61.280976] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 61.422388] kasan: CONFIG_KASAN_INLINE enabled [ 61.427251] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.441448] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 61.447715] CPU: 0 PID: 8190 Comm: syz-executor703 Not tainted 4.19.211-syzkaller #0 [ 61.455636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 61.465010] RIP: 0010:cdev_del+0x22/0x90 [ 61.469088] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 dc be ff 48 8d 7d 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 4f 48 [ 61.487991] RSP: 0018:ffff88808ee8fba0 EFLAGS: 00010207 [ 61.493357] RAX: dffffc0000000000 RBX: ffff8880af26c100 RCX: ffffffff83b8674f [ 61.500634] RDX: 000000000000000c RSI: ffffffff81a3a8bd RDI: 0000000000000064 [ 61.507996] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 61.515355] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880af26c108 [ 61.522635] R13: ffff8882388fcb08 R14: ffff8880a465b980 R15: ffff8880a16087b8 [ 61.529927] FS: 0000555555bb6300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 61.538160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.544066] CR2: 00007fde66865290 CR3: 00000000a1271000 CR4: 00000000003406f0 [ 61.551529] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.558812] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.566081] Call Trace: [ 61.568668] tty_unregister_device+0x112/0x1b0 [ 61.573239] gsmld_close+0xaa/0x1f0 [ 61.576854] ? gsm_cleanup_mux+0x3e0/0x3e0 [ 61.581074] tty_ldisc_close+0xa2/0xd0 [ 61.584973] tty_ldisc_release+0xf5/0x440 [ 61.589122] tty_release_struct+0x20/0xe0 [ 61.593284] tty_release+0xc70/0x1210 [ 61.597074] ? do_tty_hangup+0x30/0x30 [ 61.600968] __fput+0x2ce/0x890 [ 61.604243] task_work_run+0x148/0x1c0 [ 61.608154] do_exit+0xbf3/0x2be0 [ 61.611603] ? lock_downgrade+0x720/0x720 [ 61.615754] ? mm_update_next_owner+0x650/0x650 [ 61.620416] ? up_read+0x17/0x110 [ 61.623860] ? __do_page_fault+0x180/0xd60 [ 61.628170] do_group_exit+0x125/0x310 [ 61.632050] __x64_sys_exit_group+0x3a/0x50 [ 61.636356] do_syscall_64+0xf9/0x620 [ 61.640160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.645352] RIP: 0033:0x7fde667efd09 [ 61.649054] Code: Bad RIP value. [ 61.652439] RSP: 002b:00007ffc3ffd5488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.660150] RAX: ffffffffffffffda RBX: 00007fde668643f0 RCX: 00007fde667efd09 [ 61.667406] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 61.674774] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 61.682029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde668643f0 [ 61.689284] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 61.696540] Modules linked in: [ 61.708216] ---[ end trace 309685986feb61cd ]--- [ 61.713385] RIP: 0010:cdev_del+0x22/0x90 [ 61.720051] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 dc be ff 48 8d 7d 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 4f 48 [ 61.739385] RSP: 0018:ffff88808ee8fba0 EFLAGS: 00010207 [ 61.744784] RAX: dffffc0000000000 RBX: ffff8880af26c100 RCX: ffffffff83b8674f [ 61.752117] RDX: 000000000000000c RSI: ffffffff81a3a8bd RDI: 0000000000000064 [ 61.759501] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 61.766823] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880af26c108 [ 61.774297] R13: ffff8882388fcb08 R14: ffff8880a465b980 R15: ffff8880a16087b8 [ 61.781718] FS: 0000555555bb6300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 61.790056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.795957] CR2: 000055b5ed0b5160 CR3: 00000000b4c5d000 CR4: 00000000003406e0 [ 61.803286] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.810647] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.817975] Kernel panic - not syncing: Fatal exception [ 61.823563] Kernel Offset: disabled [ 61.827183] Rebooting in 86400 seconds..