_check_write+0x14/0x20 [ 241.830744][ T2343] ? _copy_from_iter+0x3fb/0xd60 [ 241.835760][ T2343] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 241.841748][ T2343] cgroup_file_write+0x28e/0x590 [ 241.846689][ T2343] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.851805][ T2343] ? mutex_trylock+0x180/0x180 [ 241.856728][ T2343] ? __kasan_check_write+0x14/0x20 [ 241.861818][ T2343] kernfs_fop_write_iter+0x2d0/0x410 [ 241.867189][ T2343] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.872438][ T2343] vfs_write+0xc4a/0xf80 [ 241.876929][ T2343] ? kernel_write+0x420/0x420 [ 241.881602][ T2343] ? mutex_lock+0xb2/0x1e0 [ 241.886009][ T2343] ? mutex_trylock+0x180/0x180 [ 241.891047][ T2343] ? __fdget_pos+0x26d/0x310 [ 241.895614][ T2343] ? ksys_write+0x77/0x2c0 [ 241.900096][ T2343] ksys_write+0x198/0x2c0 [ 241.904443][ T2343] ? __ia32_sys_read+0x90/0x90 [ 241.909269][ T2343] ? debug_smp_processor_id+0x17/0x20 [ 241.914971][ T2343] __x64_sys_write+0x7b/0x90 [ 241.919547][ T2343] do_syscall_64+0x34/0x70 [ 241.924040][ T2343] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 241.930085][ T2343] RIP: 0033:0x7f6ebe11e049 [ 241.934490][ T2343] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 241.954458][ T2343] RSP: 002b:00007f6ebe073168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 241.962971][ T2343] RAX: ffffffffffffffda RBX: 00007f6ebe231030 RCX: 00007f6ebe11e049 [ 241.971200][ T2343] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 2022/08/30 16:59:42 executed programs: 876 [ 241.979347][ T2343] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 241.987985][ T2343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 241.996065][ T2343] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 242.005687][ T2347] FAULT_INJECTION: forcing a failure. [ 242.005687][ T2347] name failslab, interval 1, probability 0, space 0, times 0 [ 242.019201][ T2347] CPU: 0 PID: 2347 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 242.030652][ T2347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 242.041355][ T2347] Call Trace: [ 242.044650][ T2347] dump_stack_lvl+0x1e2/0x24b [ 242.049471][ T2347] ? panic+0x7d7/0x7d7 [ 242.053550][ T2347] ? bfq_pos_tree_add_move+0x43e/0x43e [ 242.059007][ T2347] ? find_next_bit+0xd6/0x120 [ 242.063701][ T2347] ? cpumask_next+0x11/0x30 [ 242.068392][ T2347] dump_stack+0x15/0x17 [ 242.072540][ T2347] should_fail+0x3c0/0x510 [ 242.076971][ T2347] ? percpu_ref_init+0xd0/0x340 [ 242.081904][ T2347] __should_failslab+0x9f/0xe0 [ 242.087024][ T2347] should_failslab+0x9/0x20 [ 242.091637][ T2347] kmem_cache_alloc_trace+0x3a/0x330 [ 242.096927][ T2347] percpu_ref_init+0xd0/0x340 [ 242.101859][ T2347] ? cgroup_setup_root+0xea0/0xea0 [ 242.107048][ T2347] cgroup_apply_control_enable+0x3a2/0x12f0 [ 242.113205][ T2347] ? cgroup_reconfigure+0xe0/0xe0 [ 242.118489][ T2347] cgroup_apply_control+0x8e/0x7e0 [ 242.123991][ T2347] ? css_next_child+0x160/0x160 [ 242.129089][ T2347] ? io_schedule+0x120/0x120 [ 242.133804][ T2347] ? kernfs_fop_write_iter+0x15e/0x410 [ 242.139473][ T2347] ? __kasan_check_write+0x14/0x20 [ 242.145125][ T2347] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 242.150738][ T2347] cgroup_subtree_control_write+0xd19/0x1310 [ 242.156992][ T2347] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.163138][ T2347] ? __kasan_check_write+0x14/0x20 [ 242.168677][ T2347] ? _copy_from_iter+0x3fb/0xd60 [ 242.173600][ T2347] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.179719][ T2347] cgroup_file_write+0x28e/0x590 [ 242.184751][ T2347] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.190443][ T2347] ? mutex_trylock+0x180/0x180 [ 242.195347][ T2347] ? __kasan_check_write+0x14/0x20 [ 242.200539][ T2347] kernfs_fop_write_iter+0x2d0/0x410 [ 242.206262][ T2347] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.212746][ T2347] vfs_write+0xc4a/0xf80 [ 242.217171][ T2347] ? kernel_write+0x420/0x420 [ 242.222164][ T2347] ? mutex_lock+0xb2/0x1e0 [ 242.226663][ T2347] ? mutex_trylock+0x180/0x180 [ 242.231505][ T2347] ? __fdget_pos+0x26d/0x310 [ 242.236175][ T2347] ? ksys_write+0x77/0x2c0 [ 242.240668][ T2347] ksys_write+0x198/0x2c0 [ 242.245530][ T2347] ? __ia32_sys_read+0x90/0x90 [ 242.250726][ T2347] ? debug_smp_processor_id+0x17/0x20 [ 242.256809][ T2347] __x64_sys_write+0x7b/0x90 [ 242.261577][ T2347] do_syscall_64+0x34/0x70 [ 242.266020][ T2347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 242.272235][ T2347] RIP: 0033:0x7f85191c4049 [ 242.276650][ T2347] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 242.297511][ T2347] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 242.305912][ T2347] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 242.314246][ T2347] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 242.322674][ T2347] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 242.330983][ T2347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 242.339220][ T2347] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 242.352481][ T2352] FAULT_INJECTION: forcing a failure. [ 242.352481][ T2352] name failslab, interval 1, probability 0, space 0, times 0 [ 242.370744][ T2352] CPU: 0 PID: 2352 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 242.381506][ T2352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 242.391547][ T2352] Call Trace: [ 242.395006][ T2352] dump_stack_lvl+0x1e2/0x24b [ 242.399790][ T2352] ? panic+0x7d7/0x7d7 [ 242.404023][ T2352] ? bfq_pos_tree_add_move+0x43e/0x43e [ 242.409568][ T2352] ? find_next_bit+0xd6/0x120 [ 242.414605][ T2352] ? cpumask_next+0x11/0x30 [ 242.419106][ T2352] dump_stack+0x15/0x17 [ 242.423294][ T2352] should_fail+0x3c0/0x510 [ 242.427940][ T2352] ? percpu_ref_init+0xd0/0x340 [ 242.433169][ T2352] __should_failslab+0x9f/0xe0 [ 242.438060][ T2352] should_failslab+0x9/0x20 [ 242.443768][ T2352] kmem_cache_alloc_trace+0x3a/0x330 [ 242.449136][ T2352] percpu_ref_init+0xd0/0x340 [ 242.453805][ T2352] ? cgroup_setup_root+0xea0/0xea0 [ 242.458895][ T2352] cgroup_apply_control_enable+0x3a2/0x12f0 [ 242.465249][ T2352] ? cgroup_reconfigure+0xe0/0xe0 [ 242.470348][ T2352] cgroup_apply_control+0x8e/0x7e0 [ 242.476056][ T2352] ? css_next_child+0x160/0x160 [ 242.481223][ T2352] ? io_schedule+0x120/0x120 [ 242.485929][ T2352] ? kernfs_fop_write_iter+0x15e/0x410 [ 242.491384][ T2352] ? __kasan_check_write+0x14/0x20 [ 242.496478][ T2352] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 242.501744][ T2352] cgroup_subtree_control_write+0xd19/0x1310 [ 242.507921][ T2352] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.514164][ T2352] ? __kasan_check_write+0x14/0x20 [ 242.519574][ T2352] ? _copy_from_iter+0x3fb/0xd60 [ 242.524499][ T2352] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.530631][ T2352] cgroup_file_write+0x28e/0x590 [ 242.535545][ T2352] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.540893][ T2352] ? mutex_trylock+0x180/0x180 [ 242.546166][ T2352] ? __kasan_check_write+0x14/0x20 [ 242.551272][ T2352] kernfs_fop_write_iter+0x2d0/0x410 [ 242.556542][ T2352] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.561628][ T2352] vfs_write+0xc4a/0xf80 [ 242.565846][ T2352] ? kernel_write+0x420/0x420 [ 242.570519][ T2352] ? mutex_lock+0xb2/0x1e0 [ 242.575015][ T2352] ? mutex_trylock+0x180/0x180 [ 242.579755][ T2352] ? __fdget_pos+0x26d/0x310 [ 242.584333][ T2352] ? ksys_write+0x77/0x2c0 [ 242.588818][ T2352] ksys_write+0x198/0x2c0 [ 242.593232][ T2352] ? __ia32_sys_read+0x90/0x90 [ 242.598117][ T2352] ? debug_smp_processor_id+0x17/0x20 [ 242.603559][ T2352] __x64_sys_write+0x7b/0x90 [ 242.608137][ T2352] do_syscall_64+0x34/0x70 [ 242.612528][ T2352] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 242.618393][ T2352] RIP: 0033:0x7f6ebe11e049 [ 242.622880][ T2352] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 242.642679][ T2352] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 242.651154][ T2352] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 242.659188][ T2352] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 242.667672][ T2352] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 242.675782][ T2352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 242.683903][ T2352] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 242.692396][ T2354] FAULT_INJECTION: forcing a failure. [ 242.692396][ T2354] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 242.695752][ T2356] FAULT_INJECTION: forcing a failure. [ 242.695752][ T2356] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 242.706827][ T2354] CPU: 1 PID: 2354 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 242.719058][ T2361] FAULT_INJECTION: forcing a failure. [ 242.719058][ T2361] name failslab, interval 1, probability 0, space 0, times 0 [ 242.729307][ T2354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 242.729311][ T2354] Call Trace: [ 242.729329][ T2354] dump_stack_lvl+0x1e2/0x24b [ 242.729340][ T2354] ? bfq_pos_tree_add_move+0x43e/0x43e [ 242.729351][ T2354] ? vsnprintf+0x1fa/0x1cd0 [ 242.729369][ T2354] dump_stack+0x15/0x17 [ 242.774079][ T2354] should_fail+0x3c0/0x510 [ 242.778653][ T2354] should_fail_usercopy+0x1a/0x20 [ 242.783668][ T2354] _copy_from_user+0x20/0xd0 [ 242.788240][ T2354] kstrtouint_from_user+0xd7/0x2b0 [ 242.793336][ T2354] ? kstrtol_from_user+0x310/0x310 [ 242.798729][ T2354] ? snprintf+0xd6/0x120 [ 242.803225][ T2354] ? avc_policy_seqno+0x1b/0x70 [ 242.808172][ T2354] ? selinux_file_permission+0x2a9/0x520 [ 242.813885][ T2354] proc_fail_nth_write+0xa5/0x290 [ 242.819248][ T2354] ? security_file_permission+0x9d/0xc0 [ 242.824863][ T2354] ? proc_fail_nth_read+0x220/0x220 [ 242.830219][ T2354] ? security_file_permission+0xa8/0xc0 [ 242.835928][ T2354] ? rw_verify_area+0x1c2/0x360 [ 242.840803][ T2354] ? proc_fail_nth_read+0x220/0x220 [ 242.846101][ T2354] vfs_write+0x39b/0xf80 [ 242.850436][ T2354] ? kernel_write+0x420/0x420 [ 242.855094][ T2354] ? __kasan_check_write+0x14/0x20 [ 242.860645][ T2354] ? mutex_lock+0xb2/0x1e0 [ 242.865157][ T2354] ? mutex_trylock+0x180/0x180 [ 242.870256][ T2354] ? __fdget_pos+0x26d/0x310 [ 242.875073][ T2354] ? ksys_write+0x77/0x2c0 [ 242.879715][ T2354] ksys_write+0x198/0x2c0 [ 242.884295][ T2354] ? __kasan_check_write+0x14/0x20 [ 242.889414][ T2354] ? __ia32_sys_read+0x90/0x90 [ 242.894188][ T2354] ? debug_smp_processor_id+0x17/0x20 [ 242.899563][ T2354] __x64_sys_write+0x7b/0x90 [ 242.904204][ T2354] do_syscall_64+0x34/0x70 [ 242.909069][ T2354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 242.915209][ T2354] RIP: 0033:0x7faa22393b5f [ 242.919715][ T2354] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 242.939576][ T2354] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 242.948075][ T2354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 242.956031][ T2354] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 242.964176][ T2354] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 242.972335][ T2354] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 242.980492][ T2354] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 242.988555][ T2356] CPU: 0 PID: 2356 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 242.999310][ T2356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 243.009647][ T2356] Call Trace: [ 243.012946][ T2356] dump_stack_lvl+0x1e2/0x24b [ 243.017782][ T2356] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.023449][ T2356] ? vsnprintf+0x1fa/0x1cd0 [ 243.027940][ T2356] dump_stack+0x15/0x17 [ 243.032114][ T2356] should_fail+0x3c0/0x510 [ 243.036510][ T2356] should_fail_usercopy+0x1a/0x20 [ 243.041525][ T2356] _copy_from_user+0x20/0xd0 [ 243.046097][ T2356] kstrtouint_from_user+0xd7/0x2b0 [ 243.051190][ T2356] ? kstrtol_from_user+0x310/0x310 [ 243.056452][ T2356] ? snprintf+0xd6/0x120 [ 243.060762][ T2356] ? avc_policy_seqno+0x1b/0x70 [ 243.065605][ T2356] ? selinux_file_permission+0x2a9/0x520 [ 243.071427][ T2356] proc_fail_nth_write+0xa5/0x290 [ 243.076969][ T2356] ? security_file_permission+0x9d/0xc0 [ 243.082527][ T2356] ? proc_fail_nth_read+0x220/0x220 [ 243.088162][ T2356] ? security_file_permission+0xa8/0xc0 [ 243.093788][ T2356] ? rw_verify_area+0x1c2/0x360 [ 243.098800][ T2356] ? proc_fail_nth_read+0x220/0x220 [ 243.104085][ T2356] vfs_write+0x39b/0xf80 [ 243.108325][ T2356] ? kernel_write+0x420/0x420 [ 243.113079][ T2356] ? __kasan_check_write+0x14/0x20 [ 243.118187][ T2356] ? mutex_lock+0xb2/0x1e0 [ 243.122606][ T2356] ? mutex_trylock+0x180/0x180 [ 243.127529][ T2356] ? __fdget_pos+0x26d/0x310 [ 243.132277][ T2356] ? ksys_write+0x77/0x2c0 [ 243.136769][ T2356] ksys_write+0x198/0x2c0 [ 243.141171][ T2356] ? __kasan_check_write+0x14/0x20 [ 243.146957][ T2356] ? __ia32_sys_read+0x90/0x90 [ 243.152224][ T2356] ? debug_smp_processor_id+0x17/0x20 [ 243.157697][ T2356] __x64_sys_write+0x7b/0x90 [ 243.163455][ T2356] do_syscall_64+0x34/0x70 [ 243.168304][ T2356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 243.174186][ T2356] RIP: 0033:0x7f7d1c31ab5f [ 243.178682][ T2356] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 243.198470][ T2356] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 243.206893][ T2356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 243.214859][ T2356] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 243.222956][ T2356] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 243.230918][ T2356] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 243.239036][ T2356] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 243.249529][ T2361] CPU: 0 PID: 2361 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 243.259864][ T2361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 243.270089][ T2361] Call Trace: [ 243.273374][ T2361] dump_stack_lvl+0x1e2/0x24b [ 243.278031][ T2361] ? panic+0x7d7/0x7d7 [ 243.282076][ T2361] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.287513][ T2361] ? find_next_bit+0xd6/0x120 [ 243.292173][ T2361] ? cpumask_next+0x11/0x30 [ 243.296654][ T2361] dump_stack+0x15/0x17 [ 243.300871][ T2361] should_fail+0x3c0/0x510 [ 243.305288][ T2361] ? percpu_ref_init+0xd0/0x340 [ 243.310115][ T2361] __should_failslab+0x9f/0xe0 [ 243.315028][ T2361] should_failslab+0x9/0x20 [ 243.319512][ T2361] kmem_cache_alloc_trace+0x3a/0x330 [ 243.324957][ T2361] percpu_ref_init+0xd0/0x340 [ 243.329610][ T2361] ? cgroup_setup_root+0xea0/0xea0 [ 243.334746][ T2361] cgroup_apply_control_enable+0x3a2/0x12f0 [ 243.340702][ T2361] ? cgroup_reconfigure+0xe0/0xe0 [ 243.345797][ T2361] cgroup_apply_control+0x8e/0x7e0 [ 243.351057][ T2361] ? css_next_child+0x160/0x160 [ 243.355903][ T2361] ? io_schedule+0x120/0x120 [ 243.360485][ T2361] ? kernfs_fop_write_iter+0x15e/0x410 [ 243.366140][ T2361] ? __kasan_check_write+0x14/0x20 [ 243.371347][ T2361] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 243.376848][ T2361] cgroup_subtree_control_write+0xd19/0x1310 [ 243.383109][ T2361] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 243.389103][ T2361] ? __kasan_check_write+0x14/0x20 [ 243.394214][ T2361] ? _copy_from_iter+0x3fb/0xd60 [ 243.399505][ T2361] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 243.405947][ T2361] cgroup_file_write+0x28e/0x590 [ 243.411045][ T2361] ? cgroup_seqfile_stop+0xc0/0xc0 [ 243.416175][ T2361] ? mutex_trylock+0x180/0x180 [ 243.420930][ T2361] ? __kasan_check_write+0x14/0x20 [ 243.427500][ T2361] kernfs_fop_write_iter+0x2d0/0x410 [ 243.433482][ T2361] ? cgroup_seqfile_stop+0xc0/0xc0 [ 243.438763][ T2361] vfs_write+0xc4a/0xf80 [ 243.442991][ T2361] ? kernel_write+0x420/0x420 [ 243.447780][ T2361] ? mutex_lock+0xb2/0x1e0 [ 243.452184][ T2361] ? mutex_trylock+0x180/0x180 [ 243.457376][ T2361] ? __fdget_pos+0x26d/0x310 [ 243.461947][ T2361] ? ksys_write+0x77/0x2c0 [ 243.466429][ T2361] ksys_write+0x198/0x2c0 [ 243.470934][ T2361] ? __ia32_sys_read+0x90/0x90 [ 243.475848][ T2361] ? debug_smp_processor_id+0x17/0x20 [ 243.481647][ T2361] __x64_sys_write+0x7b/0x90 [ 243.486298][ T2361] do_syscall_64+0x34/0x70 [ 243.490794][ T2361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 243.496667][ T2361] RIP: 0033:0x7f85191c4049 [ 243.501403][ T2361] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 243.521460][ T2361] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 243.529945][ T2361] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 243.538025][ T2361] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 243.546167][ T2361] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 243.554117][ T2361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 243.562298][ T2361] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 243.572746][ T2366] FAULT_INJECTION: forcing a failure. [ 243.572746][ T2366] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 243.585498][ T2373] FAULT_INJECTION: forcing a failure. [ 243.585498][ T2373] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 243.586373][ T2367] FAULT_INJECTION: forcing a failure. [ 243.586373][ T2367] name failslab, interval 1, probability 0, space 0, times 0 [ 243.604960][ T2366] CPU: 0 PID: 2366 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 243.623546][ T2366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 243.634140][ T2366] Call Trace: [ 243.637424][ T2366] dump_stack_lvl+0x1e2/0x24b [ 243.642430][ T2366] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.648171][ T2366] ? vsnprintf+0x1fa/0x1cd0 [ 243.652813][ T2366] dump_stack+0x15/0x17 [ 243.657487][ T2366] should_fail+0x3c0/0x510 [ 243.662079][ T2366] should_fail_usercopy+0x1a/0x20 [ 243.667469][ T2366] _copy_from_user+0x20/0xd0 [ 243.672241][ T2366] kstrtouint_from_user+0xd7/0x2b0 [ 243.677434][ T2366] ? kstrtol_from_user+0x310/0x310 [ 243.682553][ T2366] ? snprintf+0xd6/0x120 [ 243.687035][ T2366] ? avc_policy_seqno+0x1b/0x70 [ 243.692133][ T2366] ? selinux_file_permission+0x2a9/0x520 [ 243.698211][ T2366] proc_fail_nth_write+0xa5/0x290 [ 243.703505][ T2366] ? security_file_permission+0x9d/0xc0 [ 243.709241][ T2366] ? proc_fail_nth_read+0x220/0x220 [ 243.714570][ T2366] ? security_file_permission+0xa8/0xc0 [ 243.720115][ T2366] ? rw_verify_area+0x1c2/0x360 [ 243.724958][ T2366] ? proc_fail_nth_read+0x220/0x220 [ 243.730501][ T2366] vfs_write+0x39b/0xf80 [ 243.734814][ T2366] ? kernel_write+0x420/0x420 [ 243.739643][ T2366] ? __kasan_check_write+0x14/0x20 [ 243.744738][ T2366] ? mutex_lock+0xb2/0x1e0 [ 243.749235][ T2366] ? mutex_trylock+0x180/0x180 [ 243.754423][ T2366] ? __fdget_pos+0x26d/0x310 [ 243.759608][ T2366] ? ksys_write+0x77/0x2c0 [ 243.764181][ T2366] ksys_write+0x198/0x2c0 [ 243.768668][ T2366] ? __kasan_check_write+0x14/0x20 [ 243.773950][ T2366] ? __ia32_sys_read+0x90/0x90 [ 243.778696][ T2366] ? debug_smp_processor_id+0x17/0x20 [ 243.784227][ T2366] __x64_sys_write+0x7b/0x90 [ 243.788800][ T2366] do_syscall_64+0x34/0x70 [ 243.793372][ T2366] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 243.800047][ T2366] RIP: 0033:0x7faa22393b5f [ 243.804730][ T2366] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 243.824616][ T2366] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 243.833020][ T2366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 243.841239][ T2366] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 243.849463][ T2366] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 243.857605][ T2366] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 243.865573][ T2366] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 243.873624][ T2367] CPU: 1 PID: 2367 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 243.884245][ T2367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 243.894561][ T2367] Call Trace: [ 243.898016][ T2367] dump_stack_lvl+0x1e2/0x24b [ 243.902794][ T2367] ? panic+0x7d7/0x7d7 [ 243.906862][ T2367] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.912312][ T2367] ? find_next_bit+0xd6/0x120 [ 243.917059][ T2367] ? cpumask_next+0x11/0x30 [ 243.921555][ T2367] dump_stack+0x15/0x17 [ 243.926232][ T2367] should_fail+0x3c0/0x510 [ 243.930889][ T2367] ? percpu_ref_init+0xd0/0x340 [ 243.935984][ T2367] __should_failslab+0x9f/0xe0 [ 243.941015][ T2367] should_failslab+0x9/0x20 [ 243.945500][ T2367] kmem_cache_alloc_trace+0x3a/0x330 [ 243.950784][ T2367] percpu_ref_init+0xd0/0x340 [ 243.955533][ T2367] ? cgroup_setup_root+0xea0/0xea0 [ 243.960624][ T2367] cgroup_apply_control_enable+0x3a2/0x12f0 [ 243.966693][ T2367] ? cgroup_reconfigure+0xe0/0xe0 [ 243.971979][ T2367] cgroup_apply_control+0x8e/0x7e0 [ 243.978980][ T2367] ? css_next_child+0x160/0x160 [ 243.983987][ T2367] ? io_schedule+0x120/0x120 [ 243.988558][ T2367] ? kernfs_fop_write_iter+0x15e/0x410 [ 243.994099][ T2367] ? __kasan_check_write+0x14/0x20 [ 243.999315][ T2367] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 244.004685][ T2367] cgroup_subtree_control_write+0xd19/0x1310 [ 244.011032][ T2367] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.017038][ T2367] ? __kasan_check_write+0x14/0x20 [ 244.022156][ T2367] ? _copy_from_iter+0x3fb/0xd60 [ 244.027439][ T2367] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.033922][ T2367] cgroup_file_write+0x28e/0x590 [ 244.038979][ T2367] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.044155][ T2367] ? mutex_trylock+0x180/0x180 [ 244.049076][ T2367] ? __kasan_check_write+0x14/0x20 [ 244.054350][ T2367] kernfs_fop_write_iter+0x2d0/0x410 [ 244.059702][ T2367] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.065424][ T2367] vfs_write+0xc4a/0xf80 [ 244.073086][ T2367] ? kernel_write+0x420/0x420 [ 244.077925][ T2367] ? mutex_lock+0xb2/0x1e0 [ 244.082500][ T2367] ? mutex_trylock+0x180/0x180 [ 244.087258][ T2367] ? __fdget_pos+0x26d/0x310 [ 244.092151][ T2367] ? ksys_write+0x77/0x2c0 [ 244.096767][ T2367] ksys_write+0x198/0x2c0 [ 244.101089][ T2367] ? __ia32_sys_read+0x90/0x90 [ 244.105853][ T2367] ? debug_smp_processor_id+0x17/0x20 [ 244.116048][ T2367] __x64_sys_write+0x7b/0x90 [ 244.120620][ T2367] do_syscall_64+0x34/0x70 [ 244.125382][ T2367] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 244.131457][ T2367] RIP: 0033:0x7f6ebe11e049 [ 244.135963][ T2367] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 244.157276][ T2367] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 244.166207][ T2367] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 244.174214][ T2367] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 244.182165][ T2367] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 244.190501][ T2367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 244.199396][ T2367] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 244.207493][ T2373] CPU: 0 PID: 2373 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 244.218335][ T2373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 244.220499][ T2374] FAULT_INJECTION: forcing a failure. [ 244.220499][ T2374] name failslab, interval 1, probability 0, space 0, times 0 [ 244.228465][ T2373] Call Trace: [ 244.228483][ T2373] dump_stack_lvl+0x1e2/0x24b [ 244.228493][ T2373] ? bfq_pos_tree_add_move+0x43e/0x43e [ 244.228503][ T2373] ? vsnprintf+0x1fa/0x1cd0 [ 244.228513][ T2373] dump_stack+0x15/0x17 [ 244.228521][ T2373] should_fail+0x3c0/0x510 [ 244.228538][ T2373] should_fail_usercopy+0x1a/0x20 [ 244.273293][ T2373] _copy_from_user+0x20/0xd0 [ 244.277868][ T2373] kstrtouint_from_user+0xd7/0x2b0 [ 244.283079][ T2373] ? kstrtol_from_user+0x310/0x310 [ 244.288279][ T2373] ? snprintf+0xd6/0x120 [ 244.292511][ T2373] ? avc_policy_seqno+0x1b/0x70 [ 244.297431][ T2373] ? selinux_file_permission+0x2a9/0x520 [ 244.303150][ T2373] proc_fail_nth_write+0xa5/0x290 [ 244.308175][ T2373] ? security_file_permission+0x9d/0xc0 [ 244.313697][ T2373] ? proc_fail_nth_read+0x220/0x220 [ 244.318874][ T2373] ? security_file_permission+0xa8/0xc0 [ 244.324792][ T2373] ? rw_verify_area+0x1c2/0x360 [ 244.329643][ T2373] ? proc_fail_nth_read+0x220/0x220 [ 244.334919][ T2373] vfs_write+0x39b/0xf80 [ 244.339150][ T2373] ? kernel_write+0x420/0x420 [ 244.343912][ T2373] ? __kasan_check_write+0x14/0x20 [ 244.349195][ T2373] ? mutex_lock+0xb2/0x1e0 [ 244.353625][ T2373] ? mutex_trylock+0x180/0x180 [ 244.358382][ T2373] ? __fdget_pos+0x26d/0x310 [ 244.363163][ T2373] ? ksys_write+0x77/0x2c0 [ 244.367822][ T2373] ksys_write+0x198/0x2c0 [ 244.372142][ T2373] ? __ia32_sys_read+0x90/0x90 [ 244.376981][ T2373] ? debug_smp_processor_id+0x17/0x20 [ 244.382991][ T2373] __x64_sys_write+0x7b/0x90 [ 244.387829][ T2373] do_syscall_64+0x34/0x70 [ 244.392899][ T2373] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 244.398953][ T2373] RIP: 0033:0x7f869ba6eb5f [ 244.404189][ T2373] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 244.425555][ T2373] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 244.434319][ T2373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 244.442276][ T2373] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 244.450771][ T2373] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 244.459045][ T2373] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 244.467179][ T2373] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 244.475517][ T2374] CPU: 1 PID: 2374 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 244.486200][ T2374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 244.496788][ T2374] Call Trace: [ 244.500231][ T2374] dump_stack_lvl+0x1e2/0x24b [ 244.504890][ T2374] ? panic+0x7d7/0x7d7 [ 244.508943][ T2374] ? bfq_pos_tree_add_move+0x43e/0x43e [ 244.514510][ T2374] ? find_next_bit+0xd6/0x120 [ 244.519550][ T2374] ? cpumask_next+0x11/0x30 [ 244.524058][ T2374] dump_stack+0x15/0x17 [ 244.528208][ T2374] should_fail+0x3c0/0x510 [ 244.532607][ T2374] ? percpu_ref_init+0xd0/0x340 [ 244.537460][ T2374] __should_failslab+0x9f/0xe0 [ 244.542201][ T2374] should_failslab+0x9/0x20 [ 244.546962][ T2374] kmem_cache_alloc_trace+0x3a/0x330 [ 244.552332][ T2374] percpu_ref_init+0xd0/0x340 [ 244.557028][ T2374] ? cgroup_setup_root+0xea0/0xea0 [ 244.562237][ T2374] cgroup_apply_control_enable+0x3a2/0x12f0 [ 244.568275][ T2374] ? cgroup_reconfigure+0xe0/0xe0 [ 244.573368][ T2374] cgroup_apply_control+0x8e/0x7e0 [ 244.578637][ T2374] ? css_next_child+0x160/0x160 [ 244.583578][ T2374] ? io_schedule+0x120/0x120 [ 244.588419][ T2374] ? kernfs_fop_write_iter+0x15e/0x410 [ 244.593865][ T2374] ? __kasan_check_write+0x14/0x20 [ 244.599743][ T2374] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 244.605352][ T2374] cgroup_subtree_control_write+0xd19/0x1310 [ 244.611416][ T2374] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.617572][ T2374] ? __kasan_check_write+0x14/0x20 [ 244.622762][ T2374] ? _copy_from_iter+0x3fb/0xd60 [ 244.627994][ T2374] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.634036][ T2374] cgroup_file_write+0x28e/0x590 [ 244.638961][ T2374] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.644076][ T2374] ? mutex_trylock+0x180/0x180 [ 244.649165][ T2374] ? __kasan_check_write+0x14/0x20 [ 244.654335][ T2374] kernfs_fop_write_iter+0x2d0/0x410 [ 244.659598][ T2374] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.664694][ T2374] vfs_write+0xc4a/0xf80 [ 244.668911][ T2374] ? kernel_write+0x420/0x420 [ 244.673740][ T2374] ? mutex_lock+0xb2/0x1e0 [ 244.678144][ T2374] ? mutex_trylock+0x180/0x180 [ 244.683335][ T2374] ? __fdget_pos+0x26d/0x310 [ 244.688181][ T2374] ? ksys_write+0x77/0x2c0 [ 244.692949][ T2374] ksys_write+0x198/0x2c0 [ 244.697268][ T2374] ? __ia32_sys_read+0x90/0x90 [ 244.702200][ T2374] ? debug_smp_processor_id+0x17/0x20 [ 244.707795][ T2374] __x64_sys_write+0x7b/0x90 [ 244.712377][ T2374] do_syscall_64+0x34/0x70 [ 244.716781][ T2374] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 244.722737][ T2374] RIP: 0033:0x7f85191c4049 [ 244.728956][ T2374] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 244.749279][ T2374] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 244.757850][ T2374] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 244.765888][ T2374] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 244.774014][ T2374] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 244.782057][ T2374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 244.790007][ T2374] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 244.807571][ T2379] FAULT_INJECTION: forcing a failure. [ 244.807571][ T2379] name failslab, interval 1, probability 0, space 0, times 0 [ 244.829522][ T2379] CPU: 1 PID: 2379 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 244.839854][ T2379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 244.849889][ T2379] Call Trace: [ 244.853170][ T2379] dump_stack_lvl+0x1e2/0x24b [ 244.857835][ T2379] ? panic+0x7d7/0x7d7 [ 244.861886][ T2379] ? bfq_pos_tree_add_move+0x43e/0x43e [ 244.867324][ T2379] ? find_next_bit+0xd6/0x120 [ 244.871978][ T2379] ? cpumask_next+0x11/0x30 [ 244.876459][ T2379] dump_stack+0x15/0x17 [ 244.880844][ T2379] should_fail+0x3c0/0x510 [ 244.885253][ T2379] ? percpu_ref_init+0xd0/0x340 [ 244.890093][ T2379] __should_failslab+0x9f/0xe0 [ 244.894958][ T2379] should_failslab+0x9/0x20 [ 244.899456][ T2379] kmem_cache_alloc_trace+0x3a/0x330 [ 244.904867][ T2379] percpu_ref_init+0xd0/0x340 [ 244.909636][ T2379] ? cgroup_setup_root+0xea0/0xea0 [ 244.914938][ T2379] cgroup_apply_control_enable+0x3a2/0x12f0 [ 244.920903][ T2379] ? cgroup_reconfigure+0xe0/0xe0 [ 244.925912][ T2379] cgroup_apply_control+0x8e/0x7e0 [ 244.931005][ T2379] ? css_next_child+0x160/0x160 [ 244.935834][ T2379] ? io_schedule+0x120/0x120 [ 244.940493][ T2379] ? kernfs_fop_write_iter+0x15e/0x410 [ 244.946429][ T2379] ? __kasan_check_write+0x14/0x20 [ 244.951747][ T2379] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 244.957024][ T2379] cgroup_subtree_control_write+0xd19/0x1310 [ 244.963049][ T2379] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.969470][ T2379] ? __kasan_check_write+0x14/0x20 [ 244.974670][ T2379] ? _copy_from_iter+0x3fb/0xd60 [ 244.979933][ T2379] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.986097][ T2379] cgroup_file_write+0x28e/0x590 [ 244.991139][ T2379] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.996345][ T2379] ? mutex_trylock+0x180/0x180 [ 245.001371][ T2379] ? __kasan_check_write+0x14/0x20 [ 245.006474][ T2379] kernfs_fop_write_iter+0x2d0/0x410 [ 245.011748][ T2379] ? cgroup_seqfile_stop+0xc0/0xc0 [ 245.017099][ T2379] vfs_write+0xc4a/0xf80 [ 245.021498][ T2379] ? kernel_write+0x420/0x420 [ 245.026456][ T2379] ? mutex_lock+0xb2/0x1e0 [ 245.030947][ T2379] ? mutex_trylock+0x180/0x180 [ 245.035842][ T2379] ? __fdget_pos+0x26d/0x310 [ 245.040421][ T2379] ? ksys_write+0x77/0x2c0 [ 245.044823][ T2379] ksys_write+0x198/0x2c0 [ 245.049388][ T2379] ? __ia32_sys_read+0x90/0x90 [ 245.054434][ T2379] ? debug_smp_processor_id+0x17/0x20 [ 245.060328][ T2379] __x64_sys_write+0x7b/0x90 [ 245.065015][ T2379] do_syscall_64+0x34/0x70 [ 245.069564][ T2379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 245.075662][ T2379] RIP: 0033:0x7f6ebe11e049 [ 245.080059][ T2379] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 245.102456][ T2379] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 245.112498][ T2379] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 245.121350][ T2379] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 245.129787][ T2379] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 245.137750][ T2379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 245.145927][ T2379] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 245.154357][ T2380] FAULT_INJECTION: forcing a failure. [ 245.154357][ T2380] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 245.158563][ T2381] FAULT_INJECTION: forcing a failure. [ 245.158563][ T2381] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 245.167513][ T2385] FAULT_INJECTION: forcing a failure. [ 245.167513][ T2385] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 245.180786][ T2380] CPU: 1 PID: 2380 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 245.204776][ T2380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 245.214977][ T2380] Call Trace: [ 245.218267][ T2380] dump_stack_lvl+0x1e2/0x24b [ 245.223205][ T2380] ? bfq_pos_tree_add_move+0x43e/0x43e [ 245.228880][ T2380] ? vsnprintf+0x1fa/0x1cd0 [ 245.233403][ T2380] dump_stack+0x15/0x17 [ 245.237551][ T2380] should_fail+0x3c0/0x510 [ 245.241977][ T2380] should_fail_usercopy+0x1a/0x20 [ 245.247085][ T2380] _copy_from_user+0x20/0xd0 [ 245.251783][ T2380] kstrtouint_from_user+0xd7/0x2b0 [ 245.256880][ T2380] ? kstrtol_from_user+0x310/0x310 [ 245.261989][ T2380] ? snprintf+0xd6/0x120 [ 245.266607][ T2380] ? avc_policy_seqno+0x1b/0x70 [ 245.271456][ T2380] ? selinux_file_permission+0x2a9/0x520 [ 245.277074][ T2380] proc_fail_nth_write+0xa5/0x290 [ 245.282101][ T2380] ? security_file_permission+0x9d/0xc0 [ 245.287643][ T2380] ? proc_fail_nth_read+0x220/0x220 [ 245.292825][ T2380] ? security_file_permission+0xa8/0xc0 [ 245.298642][ T2380] ? rw_verify_area+0x1c2/0x360 [ 245.303605][ T2380] ? proc_fail_nth_read+0x220/0x220 [ 245.308897][ T2380] vfs_write+0x39b/0xf80 [ 245.313147][ T2380] ? kernel_write+0x420/0x420 [ 245.318230][ T2380] ? __kasan_check_write+0x14/0x20 [ 245.323333][ T2380] ? mutex_lock+0xb2/0x1e0 [ 245.327817][ T2380] ? mutex_trylock+0x180/0x180 [ 245.332583][ T2380] ? __fdget_pos+0x26d/0x310 [ 245.337150][ T2380] ? ksys_write+0x77/0x2c0 [ 245.341543][ T2380] ksys_write+0x198/0x2c0 [ 245.345857][ T2380] ? __kasan_check_write+0x14/0x20 [ 245.351056][ T2380] ? __ia32_sys_read+0x90/0x90 [ 245.356094][ T2380] ? debug_smp_processor_id+0x17/0x20 [ 245.361623][ T2380] __x64_sys_write+0x7b/0x90 [ 245.366198][ T2380] do_syscall_64+0x34/0x70 [ 245.370706][ T2380] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 245.376802][ T2380] RIP: 0033:0x7faa22393b5f [ 245.381206][ T2380] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 245.401711][ T2380] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 245.410834][ T2380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 245.418891][ T2380] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 245.427062][ T2380] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 245.435196][ T2380] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 245.443641][ T2380] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 245.451793][ T2385] CPU: 0 PID: 2385 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 245.452064][ T2386] FAULT_INJECTION: forcing a failure. [ 245.452064][ T2386] name failslab, interval 1, probability 0, space 0, times 0 [ 245.462755][ T2385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 245.462760][ T2385] Call Trace: [ 245.462777][ T2385] dump_stack_lvl+0x1e2/0x24b [ 245.462788][ T2385] ? bfq_pos_tree_add_move+0x43e/0x43e [ 245.462797][ T2385] ? vsnprintf+0x1fa/0x1cd0 [ 245.462813][ T2385] dump_stack+0x15/0x17 [ 245.509296][ T2385] should_fail+0x3c0/0x510 [ 245.514185][ T2385] should_fail_usercopy+0x1a/0x20 [ 245.520016][ T2385] _copy_from_user+0x20/0xd0 [ 245.524871][ T2385] kstrtouint_from_user+0xd7/0x2b0 [ 245.529981][ T2385] ? kstrtol_from_user+0x310/0x310 [ 245.535075][ T2385] ? snprintf+0xd6/0x120 [ 245.539392][ T2385] ? avc_policy_seqno+0x1b/0x70 [ 245.544349][ T2385] ? selinux_file_permission+0x2a9/0x520 [ 245.550169][ T2385] proc_fail_nth_write+0xa5/0x290 [ 245.555361][ T2385] ? security_file_permission+0x9d/0xc0 [ 245.560997][ T2385] ? proc_fail_nth_read+0x220/0x220 [ 245.566373][ T2385] ? security_file_permission+0xa8/0xc0 [ 245.572601][ T2385] ? rw_verify_area+0x1c2/0x360 [ 245.577441][ T2385] ? proc_fail_nth_read+0x220/0x220 [ 245.582713][ T2385] vfs_write+0x39b/0xf80 [ 245.587039][ T2385] ? kernel_write+0x420/0x420 [ 245.591906][ T2385] ? __kasan_check_write+0x14/0x20 [ 245.597133][ T2385] ? mutex_lock+0xb2/0x1e0 [ 245.601608][ T2385] ? mutex_trylock+0x180/0x180 [ 245.606449][ T2385] ? __fdget_pos+0x26d/0x310 [ 245.611047][ T2385] ? ksys_write+0x77/0x2c0 [ 245.615821][ T2385] ksys_write+0x198/0x2c0 [ 245.620148][ T2385] ? __kasan_check_write+0x14/0x20 [ 245.625667][ T2385] ? __ia32_sys_read+0x90/0x90 [ 245.630611][ T2385] ? debug_smp_processor_id+0x17/0x20 [ 245.635978][ T2385] __x64_sys_write+0x7b/0x90 [ 245.640741][ T2385] do_syscall_64+0x34/0x70 [ 245.645147][ T2385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 245.651030][ T2385] RIP: 0033:0x7f022ab05b5f [ 245.655579][ T2385] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 245.675441][ T2385] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 245.684337][ T2385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 245.692850][ T2385] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 245.700911][ T2385] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 245.708974][ T2385] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 245.717142][ T2385] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 245.725357][ T2381] CPU: 1 PID: 2381 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 245.736004][ T2381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 245.746071][ T2381] Call Trace: [ 245.749352][ T2381] dump_stack_lvl+0x1e2/0x24b [ 245.754140][ T2381] ? bfq_pos_tree_add_move+0x43e/0x43e [ 245.759715][ T2381] ? vsnprintf+0x1fa/0x1cd0 [ 245.764490][ T2381] dump_stack+0x15/0x17 [ 245.768633][ T2381] should_fail+0x3c0/0x510 [ 245.773027][ T2381] should_fail_usercopy+0x1a/0x20 [ 245.778171][ T2381] _copy_from_user+0x20/0xd0 [ 245.782756][ T2381] kstrtouint_from_user+0xd7/0x2b0 [ 245.788024][ T2381] ? kstrtol_from_user+0x310/0x310 [ 245.793240][ T2381] ? snprintf+0xd6/0x120 [ 245.797500][ T2381] ? avc_policy_seqno+0x1b/0x70 [ 245.802443][ T2381] ? selinux_file_permission+0x2a9/0x520 [ 245.808146][ T2381] proc_fail_nth_write+0xa5/0x290 [ 245.814086][ T2381] ? security_file_permission+0x9d/0xc0 [ 245.820640][ T2381] ? proc_fail_nth_read+0x220/0x220 [ 245.826752][ T2381] ? security_file_permission+0xa8/0xc0 [ 245.832598][ T2381] ? rw_verify_area+0x1c2/0x360 [ 245.837760][ T2381] ? proc_fail_nth_read+0x220/0x220 [ 245.842979][ T2381] vfs_write+0x39b/0xf80 [ 245.847569][ T2381] ? kernel_write+0x420/0x420 [ 245.852614][ T2381] ? __kasan_check_write+0x14/0x20 [ 245.858557][ T2381] ? mutex_lock+0xb2/0x1e0 [ 245.864146][ T2381] ? mutex_trylock+0x180/0x180 [ 245.869601][ T2381] ? __fdget_pos+0x26d/0x310 [ 245.875405][ T2381] ? ksys_write+0x77/0x2c0 [ 245.879832][ T2381] ksys_write+0x198/0x2c0 [ 245.884266][ T2381] ? __kasan_check_write+0x14/0x20 [ 245.889804][ T2381] ? __ia32_sys_read+0x90/0x90 [ 245.894824][ T2381] ? debug_smp_processor_id+0x17/0x20 [ 245.900824][ T2381] __x64_sys_write+0x7b/0x90 [ 245.905794][ T2381] do_syscall_64+0x34/0x70 [ 245.910281][ T2381] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 245.916325][ T2381] RIP: 0033:0x7f7d1c31ab5f [ 245.921167][ T2381] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 245.942187][ T2381] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 245.950787][ T2381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 245.959011][ T2381] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 245.966983][ T2381] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 245.975477][ T2381] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 245.984251][ T2381] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 246.005440][ T2386] CPU: 0 PID: 2386 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 246.018480][ T2386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 246.029856][ T2386] Call Trace: [ 246.033138][ T2386] dump_stack_lvl+0x1e2/0x24b [ 246.037929][ T2386] ? panic+0x7d7/0x7d7 [ 246.042166][ T2386] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.047939][ T2386] ? find_next_bit+0xd6/0x120 [ 246.052780][ T2386] ? cpumask_next+0x11/0x30 [ 246.057392][ T2386] dump_stack+0x15/0x17 [ 246.061627][ T2386] should_fail+0x3c0/0x510 [ 246.066231][ T2386] ? percpu_ref_init+0xd0/0x340 [ 246.071602][ T2386] __should_failslab+0x9f/0xe0 [ 246.077438][ T2386] should_failslab+0x9/0x20 [ 246.082228][ T2386] kmem_cache_alloc_trace+0x3a/0x330 [ 246.087957][ T2386] percpu_ref_init+0xd0/0x340 [ 246.093062][ T2386] ? cgroup_setup_root+0xea0/0xea0 [ 246.098190][ T2386] cgroup_apply_control_enable+0x3a2/0x12f0 [ 246.104075][ T2386] ? cgroup_reconfigure+0xe0/0xe0 [ 246.109588][ T2386] cgroup_apply_control+0x8e/0x7e0 [ 246.114788][ T2386] ? css_next_child+0x160/0x160 [ 246.119620][ T2386] ? io_schedule+0x120/0x120 [ 246.124598][ T2386] ? kernfs_fop_write_iter+0x15e/0x410 [ 246.130293][ T2386] ? __kasan_check_write+0x14/0x20 [ 246.135606][ T2386] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 246.141052][ T2386] cgroup_subtree_control_write+0xd19/0x1310 [ 246.147293][ T2386] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 246.153639][ T2386] ? __kasan_check_write+0x14/0x20 [ 246.158742][ T2386] ? _copy_from_iter+0x3fb/0xd60 [ 246.163865][ T2386] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 246.170034][ T2386] cgroup_file_write+0x28e/0x590 [ 246.175367][ T2386] ? cgroup_seqfile_stop+0xc0/0xc0 [ 246.180596][ T2386] ? mutex_trylock+0x180/0x180 [ 246.185543][ T2386] ? __kasan_check_write+0x14/0x20 [ 246.190821][ T2386] kernfs_fop_write_iter+0x2d0/0x410 [ 246.196105][ T2386] ? cgroup_seqfile_stop+0xc0/0xc0 [ 246.201248][ T2386] vfs_write+0xc4a/0xf80 [ 246.205935][ T2386] ? kernel_write+0x420/0x420 [ 246.210598][ T2386] ? mutex_lock+0xb2/0x1e0 [ 246.215538][ T2386] ? mutex_trylock+0x180/0x180 [ 246.220592][ T2386] ? __fdget_pos+0x26d/0x310 [ 246.225181][ T2386] ? ksys_write+0x77/0x2c0 [ 246.229853][ T2386] ksys_write+0x198/0x2c0 [ 246.235246][ T2386] ? __ia32_sys_read+0x90/0x90 [ 246.240099][ T2386] ? debug_smp_processor_id+0x17/0x20 [ 246.245730][ T2386] __x64_sys_write+0x7b/0x90 [ 246.250514][ T2386] do_syscall_64+0x34/0x70 [ 246.255392][ T2386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 246.261659][ T2386] RIP: 0033:0x7f85191c4049 [ 246.266413][ T2386] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 246.287036][ T2386] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 246.295574][ T2386] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 246.303948][ T2386] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 246.312126][ T2386] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 246.320536][ T2386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 246.328756][ T2386] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 246.344964][ T2395] FAULT_INJECTION: forcing a failure. [ 246.344964][ T2395] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 246.354598][ T2398] FAULT_INJECTION: forcing a failure. [ 246.354598][ T2398] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 246.358622][ T2395] CPU: 0 PID: 2395 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 246.373837][ T2391] FAULT_INJECTION: forcing a failure. [ 246.373837][ T2391] name failslab, interval 1, probability 0, space 0, times 0 [ 246.383004][ T2395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 246.383010][ T2395] Call Trace: [ 246.383030][ T2395] dump_stack_lvl+0x1e2/0x24b [ 246.383041][ T2395] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.383051][ T2395] ? vsnprintf+0x1fa/0x1cd0 [ 246.383061][ T2395] dump_stack+0x15/0x17 [ 246.383069][ T2395] should_fail+0x3c0/0x510 [ 246.383078][ T2395] should_fail_usercopy+0x1a/0x20 [ 246.383087][ T2395] _copy_from_user+0x20/0xd0 [ 246.383106][ T2395] kstrtouint_from_user+0xd7/0x2b0 [ 246.396527][ T2393] FAULT_INJECTION: forcing a failure. [ 246.396527][ T2393] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 246.406952][ T2395] ? kstrtol_from_user+0x310/0x310 [ 246.406963][ T2395] ? snprintf+0xd6/0x120 [ 246.406976][ T2395] ? avc_policy_seqno+0x1b/0x70 [ 246.406985][ T2395] ? selinux_file_permission+0x2a9/0x520 [ 246.406993][ T2395] proc_fail_nth_write+0xa5/0x290 [ 246.407002][ T2395] ? security_file_permission+0x9d/0xc0 [ 246.407010][ T2395] ? proc_fail_nth_read+0x220/0x220 [ 246.407029][ T2395] ? security_file_permission+0xa8/0xc0 [ 246.504616][ T2395] ? rw_verify_area+0x1c2/0x360 [ 246.509732][ T2395] ? proc_fail_nth_read+0x220/0x220 [ 246.515268][ T2395] vfs_write+0x39b/0xf80 [ 246.520845][ T2395] ? kernel_write+0x420/0x420 [ 246.525597][ T2395] ? __kasan_check_write+0x14/0x20 [ 246.530866][ T2395] ? mutex_lock+0xb2/0x1e0 [ 246.535500][ T2395] ? mutex_trylock+0x180/0x180 [ 246.540264][ T2395] ? __fdget_pos+0x26d/0x310 [ 246.545056][ T2395] ? ksys_write+0x77/0x2c0 [ 246.549834][ T2395] ksys_write+0x198/0x2c0 [ 246.554158][ T2395] ? __ia32_sys_read+0x90/0x90 [ 246.559003][ T2395] ? debug_smp_processor_id+0x17/0x20 [ 246.564645][ T2395] __x64_sys_write+0x7b/0x90 [ 246.569305][ T2395] do_syscall_64+0x34/0x70 [ 246.573701][ T2395] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 246.579571][ T2395] RIP: 0033:0x7f7d1c31ab5f [ 246.583967][ T2395] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 246.604182][ T2395] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 246.613054][ T2395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 246.621130][ T2395] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 246.629499][ T2395] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 246.638065][ T2395] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 246.646039][ T2395] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 246.655044][ T2398] CPU: 1 PID: 2398 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 246.665614][ T2398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 246.676287][ T2398] Call Trace: [ 246.679758][ T2398] dump_stack_lvl+0x1e2/0x24b [ 246.686022][ T2398] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.693863][ T2398] ? vsnprintf+0x1fa/0x1cd0 [ 246.698626][ T2398] dump_stack+0x15/0x17 [ 246.702764][ T2398] should_fail+0x3c0/0x510 [ 246.707246][ T2398] should_fail_usercopy+0x1a/0x20 [ 246.712267][ T2398] _copy_from_user+0x20/0xd0 [ 246.716839][ T2398] kstrtouint_from_user+0xd7/0x2b0 [ 246.721927][ T2398] ? kstrtol_from_user+0x310/0x310 [ 246.727413][ T2398] ? snprintf+0xd6/0x120 [ 246.731923][ T2398] ? avc_policy_seqno+0x1b/0x70 [ 246.736753][ T2398] ? selinux_file_permission+0x2a9/0x520 [ 246.742508][ T2398] proc_fail_nth_write+0xa5/0x290 [ 246.747619][ T2398] ? security_file_permission+0x9d/0xc0 [ 246.753231][ T2398] ? proc_fail_nth_read+0x220/0x220 [ 246.758772][ T2398] ? security_file_permission+0xa8/0xc0 [ 246.764319][ T2398] ? rw_verify_area+0x1c2/0x360 [ 246.769237][ T2398] ? proc_fail_nth_read+0x220/0x220 [ 246.774440][ T2398] vfs_write+0x39b/0xf80 [ 246.778940][ T2398] ? kernel_write+0x420/0x420 [ 246.783619][ T2398] ? __kasan_check_write+0x14/0x20 [ 246.789022][ T2398] ? mutex_lock+0xb2/0x1e0 [ 246.793433][ T2398] ? mutex_trylock+0x180/0x180 [ 246.798178][ T2398] ? __fdget_pos+0x26d/0x310 [ 246.802752][ T2398] ? ksys_write+0x77/0x2c0 [ 246.807275][ T2398] ksys_write+0x198/0x2c0 [ 246.811585][ T2398] ? __ia32_sys_read+0x90/0x90 [ 246.816349][ T2398] ? debug_smp_processor_id+0x17/0x20 [ 246.821812][ T2398] __x64_sys_write+0x7b/0x90 [ 246.826746][ T2398] do_syscall_64+0x34/0x70 [ 246.831169][ T2398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 246.837163][ T2398] RIP: 0033:0x7f869ba6eb5f [ 246.841563][ T2398] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 246.862152][ T2398] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 246.870891][ T2398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 246.879063][ T2398] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 246.887437][ T2398] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 246.895801][ T2398] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 246.904196][ T2398] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 246.912449][ T2393] CPU: 0 PID: 2393 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 246.923716][ T2393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 246.934889][ T2393] Call Trace: [ 246.938191][ T2393] dump_stack_lvl+0x1e2/0x24b [ 246.942942][ T2393] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.948476][ T2393] ? vsnprintf+0x1fa/0x1cd0 [ 246.953450][ T2393] dump_stack+0x15/0x17 [ 246.957701][ T2393] should_fail+0x3c0/0x510 [ 246.962109][ T2393] should_fail_usercopy+0x1a/0x20 [ 246.967308][ T2393] _copy_from_user+0x20/0xd0 [ 246.972503][ T2393] kstrtouint_from_user+0xd7/0x2b0 [ 246.977782][ T2393] ? kstrtol_from_user+0x310/0x310 [ 246.983160][ T2393] ? snprintf+0xd6/0x120 [ 246.987403][ T2393] ? avc_policy_seqno+0x1b/0x70 [ 246.992523][ T2393] ? selinux_file_permission+0x2a9/0x520 [ 246.998142][ T2393] proc_fail_nth_write+0xa5/0x290 [ 247.003263][ T2393] ? security_file_permission+0x9d/0xc0 [ 247.008960][ T2393] ? proc_fail_nth_read+0x220/0x220 [ 247.014256][ T2393] ? security_file_permission+0xa8/0xc0 [ 247.019871][ T2393] ? rw_verify_area+0x1c2/0x360 [ 247.024738][ T2393] ? proc_fail_nth_read+0x220/0x220 [ 247.030124][ T2393] vfs_write+0x39b/0xf80 [ 247.034353][ T2393] ? kernel_write+0x420/0x420 [ 247.039100][ T2393] ? __kasan_check_write+0x14/0x20 [ 247.044402][ T2393] ? mutex_lock+0xb2/0x1e0 [ 247.049152][ T2393] ? mutex_trylock+0x180/0x180 [ 247.053904][ T2393] ? __fdget_pos+0x26d/0x310 [ 247.058486][ T2393] ? ksys_write+0x77/0x2c0 [ 247.062963][ T2393] ksys_write+0x198/0x2c0 [ 247.067279][ T2393] ? __kasan_check_write+0x14/0x20 [ 247.072619][ T2393] ? __ia32_sys_read+0x90/0x90 [ 247.077407][ T2393] ? debug_smp_processor_id+0x17/0x20 [ 247.083075][ T2393] __x64_sys_write+0x7b/0x90 [ 247.087831][ T2393] do_syscall_64+0x34/0x70 [ 247.092371][ T2393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 247.098819][ T2393] RIP: 0033:0x7f022ab05b5f [ 247.103222][ T2393] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 247.123189][ T2393] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 247.131685][ T2393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 247.139751][ T2393] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 247.148190][ T2393] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 2022/08/30 16:59:48 executed programs: 900 [ 247.156492][ T2393] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 247.164829][ T2393] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 247.176182][ T2391] CPU: 0 PID: 2391 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 247.186724][ T2391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 247.196759][ T2391] Call Trace: [ 247.200037][ T2391] dump_stack_lvl+0x1e2/0x24b [ 247.204869][ T2391] ? panic+0x7d7/0x7d7 [ 247.209097][ T2391] ? bfq_pos_tree_add_move+0x43e/0x43e [ 247.214955][ T2391] ? find_next_bit+0xd6/0x120 [ 247.220132][ T2391] ? cpumask_next+0x11/0x30 [ 247.225608][ T2391] dump_stack+0x15/0x17 [ 247.229766][ T2391] should_fail+0x3c0/0x510 [ 247.234185][ T2391] ? percpu_ref_init+0xd0/0x340 [ 247.239022][ T2391] __should_failslab+0x9f/0xe0 [ 247.243767][ T2391] should_failslab+0x9/0x20 [ 247.248262][ T2391] kmem_cache_alloc_trace+0x3a/0x330 [ 247.253541][ T2391] percpu_ref_init+0xd0/0x340 [ 247.258285][ T2391] ? cgroup_setup_root+0xea0/0xea0 [ 247.263758][ T2391] cgroup_apply_control_enable+0x3a2/0x12f0 [ 247.269749][ T2391] ? cgroup_reconfigure+0xe0/0xe0 [ 247.274781][ T2391] cgroup_apply_control+0x8e/0x7e0 [ 247.279957][ T2391] ? css_next_child+0x160/0x160 [ 247.284837][ T2391] ? io_schedule+0x120/0x120 [ 247.289461][ T2391] ? kernfs_fop_write_iter+0x15e/0x410 [ 247.294998][ T2391] ? __kasan_check_write+0x14/0x20 [ 247.300098][ T2391] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 247.305597][ T2391] cgroup_subtree_control_write+0xd19/0x1310 [ 247.313064][ T2391] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.319199][ T2391] ? __kasan_check_write+0x14/0x20 [ 247.324374][ T2391] ? _copy_from_iter+0x3fb/0xd60 [ 247.329291][ T2391] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.335334][ T2391] cgroup_file_write+0x28e/0x590 [ 247.340335][ T2391] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.345511][ T2391] ? mutex_trylock+0x180/0x180 [ 247.350281][ T2391] ? __kasan_check_write+0x14/0x20 [ 247.355465][ T2391] kernfs_fop_write_iter+0x2d0/0x410 [ 247.360919][ T2391] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.366128][ T2391] vfs_write+0xc4a/0xf80 [ 247.370436][ T2391] ? kernel_write+0x420/0x420 [ 247.375187][ T2391] ? mutex_lock+0xb2/0x1e0 [ 247.380112][ T2391] ? mutex_trylock+0x180/0x180 [ 247.384850][ T2391] ? __fdget_pos+0x26d/0x310 [ 247.389577][ T2391] ? ksys_write+0x77/0x2c0 [ 247.393967][ T2391] ksys_write+0x198/0x2c0 [ 247.398451][ T2391] ? __ia32_sys_read+0x90/0x90 [ 247.403217][ T2391] ? debug_smp_processor_id+0x17/0x20 [ 247.408563][ T2391] __x64_sys_write+0x7b/0x90 [ 247.413126][ T2391] do_syscall_64+0x34/0x70 [ 247.417628][ T2391] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 247.423707][ T2391] RIP: 0033:0x7f6ebe11e049 [ 247.428113][ T2391] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 247.449387][ T2391] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.458511][ T2391] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 247.466987][ T2391] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 247.475143][ T2391] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 247.483310][ T2391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 247.491366][ T2391] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 247.502287][ T2401] FAULT_INJECTION: forcing a failure. [ 247.502287][ T2401] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 247.519511][ T2399] FAULT_INJECTION: forcing a failure. [ 247.519511][ T2399] name failslab, interval 1, probability 0, space 0, times 0 [ 247.536207][ T2399] CPU: 0 PID: 2399 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 247.546783][ T2399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 247.556911][ T2399] Call Trace: [ 247.560280][ T2399] dump_stack_lvl+0x1e2/0x24b [ 247.565041][ T2399] ? panic+0x7d7/0x7d7 [ 247.569094][ T2399] ? bfq_pos_tree_add_move+0x43e/0x43e [ 247.574620][ T2399] ? find_next_bit+0xd6/0x120 [ 247.579374][ T2399] ? cpumask_next+0x11/0x30 [ 247.584055][ T2399] dump_stack+0x15/0x17 [ 247.588192][ T2399] should_fail+0x3c0/0x510 [ 247.592608][ T2399] ? percpu_ref_init+0xd0/0x340 [ 247.597592][ T2399] __should_failslab+0x9f/0xe0 [ 247.602427][ T2399] should_failslab+0x9/0x20 [ 247.607213][ T2399] kmem_cache_alloc_trace+0x3a/0x330 [ 247.612484][ T2399] percpu_ref_init+0xd0/0x340 [ 247.617139][ T2399] ? cgroup_setup_root+0xea0/0xea0 [ 247.622356][ T2399] cgroup_apply_control_enable+0x3a2/0x12f0 [ 247.628518][ T2399] ? cgroup_reconfigure+0xe0/0xe0 [ 247.633878][ T2399] cgroup_apply_control+0x8e/0x7e0 [ 247.639060][ T2399] ? css_next_child+0x160/0x160 [ 247.643978][ T2399] ? io_schedule+0x120/0x120 [ 247.648574][ T2399] ? kernfs_fop_write_iter+0x15e/0x410 [ 247.654362][ T2399] ? __kasan_check_write+0x14/0x20 [ 247.659459][ T2399] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 247.664726][ T2399] cgroup_subtree_control_write+0xd19/0x1310 [ 247.670777][ T2399] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.676740][ T2399] ? __kasan_check_write+0x14/0x20 [ 247.681932][ T2399] ? _copy_from_iter+0x3fb/0xd60 [ 247.687626][ T2399] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.693600][ T2399] cgroup_file_write+0x28e/0x590 [ 247.698532][ T2399] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.703663][ T2399] ? mutex_trylock+0x180/0x180 [ 247.708409][ T2399] ? __kasan_check_write+0x14/0x20 [ 247.713609][ T2399] kernfs_fop_write_iter+0x2d0/0x410 [ 247.718884][ T2399] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.723989][ T2399] vfs_write+0xc4a/0xf80 [ 247.728231][ T2399] ? kernel_write+0x420/0x420 [ 247.733011][ T2399] ? mutex_lock+0xb2/0x1e0 [ 247.737594][ T2399] ? mutex_trylock+0x180/0x180 [ 247.742364][ T2399] ? __fdget_pos+0x26d/0x310 [ 247.747149][ T2399] ? ksys_write+0x77/0x2c0 [ 247.751569][ T2399] ksys_write+0x198/0x2c0 [ 247.755994][ T2399] ? __ia32_sys_read+0x90/0x90 [ 247.760862][ T2399] ? debug_smp_processor_id+0x17/0x20 [ 247.766215][ T2399] __x64_sys_write+0x7b/0x90 [ 247.770784][ T2399] do_syscall_64+0x34/0x70 [ 247.775180][ T2399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 247.781085][ T2399] RIP: 0033:0x7f85191c4049 [ 247.785486][ T2399] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 247.805235][ T2399] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.813644][ T2399] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 247.821959][ T2399] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 247.830001][ T2399] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 247.838236][ T2399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 247.846382][ T2399] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 247.854816][ T2401] CPU: 1 PID: 2401 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 247.861811][ T2412] FAULT_INJECTION: forcing a failure. [ 247.861811][ T2412] name failslab, interval 1, probability 0, space 0, times 0 [ 247.865132][ T2401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 247.865137][ T2401] Call Trace: [ 247.865155][ T2401] dump_stack_lvl+0x1e2/0x24b [ 247.865165][ T2401] ? bfq_pos_tree_add_move+0x43e/0x43e [ 247.865174][ T2401] ? vsnprintf+0x1fa/0x1cd0 [ 247.865191][ T2401] dump_stack+0x15/0x17 [ 247.910816][ T2401] should_fail+0x3c0/0x510 [ 247.915230][ T2401] should_fail_usercopy+0x1a/0x20 [ 247.920424][ T2401] _copy_from_user+0x20/0xd0 [ 247.925261][ T2401] kstrtouint_from_user+0xd7/0x2b0 [ 247.930366][ T2401] ? kstrtol_from_user+0x310/0x310 [ 247.935456][ T2401] ? snprintf+0xd6/0x120 [ 247.939777][ T2401] ? avc_policy_seqno+0x1b/0x70 [ 247.944725][ T2401] ? selinux_file_permission+0x2a9/0x520 [ 247.950460][ T2401] proc_fail_nth_write+0xa5/0x290 [ 247.955759][ T2401] ? security_file_permission+0x9d/0xc0 [ 247.961286][ T2401] ? proc_fail_nth_read+0x220/0x220 [ 247.966550][ T2401] ? security_file_permission+0xa8/0xc0 [ 247.972085][ T2401] ? rw_verify_area+0x1c2/0x360 [ 247.976914][ T2401] ? proc_fail_nth_read+0x220/0x220 [ 247.982254][ T2401] vfs_write+0x39b/0xf80 [ 247.986508][ T2401] ? kernel_write+0x420/0x420 [ 247.991198][ T2401] ? __kasan_check_write+0x14/0x20 [ 247.996293][ T2401] ? mutex_lock+0xb2/0x1e0 [ 248.000864][ T2401] ? mutex_trylock+0x180/0x180 [ 248.005809][ T2401] ? __fdget_pos+0x26d/0x310 [ 248.010484][ T2401] ? ksys_write+0x77/0x2c0 [ 248.016157][ T2401] ksys_write+0x198/0x2c0 [ 248.020674][ T2401] ? __ia32_sys_read+0x90/0x90 [ 248.025799][ T2401] ? debug_smp_processor_id+0x17/0x20 [ 248.032487][ T2401] __x64_sys_write+0x7b/0x90 [ 248.037160][ T2401] do_syscall_64+0x34/0x70 [ 248.041585][ T2401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 248.047475][ T2401] RIP: 0033:0x7f7d1c31ab5f [ 248.052063][ T2401] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 248.071857][ T2401] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 248.080268][ T2401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 248.088312][ T2401] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 248.096703][ T2401] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 248.105171][ T2401] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 248.113560][ T2401] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 248.121614][ T2412] CPU: 0 PID: 2412 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 248.132454][ T2412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 248.142987][ T2412] Call Trace: [ 248.146522][ T2412] dump_stack_lvl+0x1e2/0x24b [ 248.151204][ T2412] ? panic+0x7d7/0x7d7 [ 248.155371][ T2412] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.160916][ T2412] ? find_next_bit+0xd6/0x120 [ 248.165686][ T2412] ? cpumask_next+0x11/0x30 [ 248.170415][ T2412] dump_stack+0x15/0x17 [ 248.174687][ T2412] should_fail+0x3c0/0x510 [ 248.179088][ T2412] ? percpu_ref_init+0xd0/0x340 [ 248.184115][ T2412] __should_failslab+0x9f/0xe0 [ 248.189054][ T2412] should_failslab+0x9/0x20 [ 248.193563][ T2412] kmem_cache_alloc_trace+0x3a/0x330 [ 248.198848][ T2412] percpu_ref_init+0xd0/0x340 [ 248.203531][ T2412] ? cgroup_setup_root+0xea0/0xea0 [ 248.208990][ T2412] cgroup_apply_control_enable+0x3a2/0x12f0 [ 248.215048][ T2412] ? cgroup_reconfigure+0xe0/0xe0 [ 248.220418][ T2412] cgroup_apply_control+0x8e/0x7e0 [ 248.225620][ T2412] ? css_next_child+0x160/0x160 [ 248.230457][ T2412] ? io_schedule+0x120/0x120 [ 248.235146][ T2412] ? kernfs_fop_write_iter+0x15e/0x410 [ 248.240625][ T2412] ? __kasan_check_write+0x14/0x20 [ 248.245854][ T2412] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 248.251148][ T2412] cgroup_subtree_control_write+0xd19/0x1310 [ 248.257116][ T2412] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.263177][ T2412] ? __kasan_check_write+0x14/0x20 [ 248.268481][ T2412] ? _copy_from_iter+0x3fb/0xd60 [ 248.273419][ T2412] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.279874][ T2412] cgroup_file_write+0x28e/0x590 [ 248.285356][ T2412] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.290641][ T2412] ? mutex_trylock+0x180/0x180 [ 248.295406][ T2412] ? __kasan_check_write+0x14/0x20 [ 248.301087][ T2412] kernfs_fop_write_iter+0x2d0/0x410 [ 248.306730][ T2412] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.311854][ T2412] vfs_write+0xc4a/0xf80 [ 248.316256][ T2412] ? kernel_write+0x420/0x420 [ 248.321003][ T2412] ? mutex_lock+0xb2/0x1e0 [ 248.325684][ T2412] ? mutex_trylock+0x180/0x180 [ 248.330539][ T2412] ? __fdget_pos+0x26d/0x310 [ 248.335165][ T2412] ? ksys_write+0x77/0x2c0 [ 248.339565][ T2412] ksys_write+0x198/0x2c0 [ 248.343881][ T2412] ? __ia32_sys_read+0x90/0x90 [ 248.348627][ T2412] ? debug_smp_processor_id+0x17/0x20 [ 248.354083][ T2412] __x64_sys_write+0x7b/0x90 [ 248.358677][ T2412] do_syscall_64+0x34/0x70 [ 248.363100][ T2412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 248.369168][ T2412] RIP: 0033:0x7f85191c4049 [ 248.373817][ T2412] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 248.393521][ T2412] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 248.402178][ T2412] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 248.410412][ T2412] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 248.418663][ T2412] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 248.426850][ T2412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 248.435137][ T2412] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 248.451246][ T2403] FAULT_INJECTION: forcing a failure. [ 248.451246][ T2403] name failslab, interval 1, probability 0, space 0, times 0 [ 248.464173][ T2403] CPU: 1 PID: 2403 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 248.474768][ T2403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 248.485548][ T2403] Call Trace: [ 248.488912][ T2403] dump_stack_lvl+0x1e2/0x24b [ 248.493573][ T2403] ? panic+0x7d7/0x7d7 [ 248.497646][ T2403] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.503085][ T2403] ? find_next_bit+0xd6/0x120 [ 248.507743][ T2403] ? cpumask_next+0x11/0x30 [ 248.512244][ T2403] dump_stack+0x15/0x17 [ 248.516381][ T2403] should_fail+0x3c0/0x510 [ 248.520871][ T2403] ? percpu_ref_init+0xd0/0x340 [ 248.525696][ T2403] __should_failslab+0x9f/0xe0 [ 248.530445][ T2403] should_failslab+0x9/0x20 [ 248.535103][ T2403] kmem_cache_alloc_trace+0x3a/0x330 [ 248.540628][ T2403] percpu_ref_init+0xd0/0x340 [ 248.545386][ T2403] ? cgroup_setup_root+0xea0/0xea0 [ 248.550580][ T2403] cgroup_apply_control_enable+0x3a2/0x12f0 [ 248.556724][ T2403] ? cgroup_reconfigure+0xe0/0xe0 [ 248.563242][ T2403] cgroup_apply_control+0x8e/0x7e0 [ 248.568427][ T2403] ? css_next_child+0x160/0x160 [ 248.573448][ T2403] ? io_schedule+0x120/0x120 [ 248.578269][ T2403] ? __kasan_check_write+0x14/0x20 [ 248.583418][ T2403] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 248.588690][ T2403] cgroup_subtree_control_write+0xd19/0x1310 [ 248.594738][ T2403] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.601395][ T2403] ? __kasan_check_write+0x14/0x20 [ 248.606485][ T2403] ? _copy_from_iter+0x3fb/0xd60 [ 248.611762][ T2403] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.617819][ T2403] cgroup_file_write+0x28e/0x590 [ 248.623141][ T2403] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.628330][ T2403] ? mutex_trylock+0x180/0x180 [ 248.633265][ T2403] ? __kasan_check_write+0x14/0x20 [ 248.638354][ T2403] kernfs_fop_write_iter+0x2d0/0x410 [ 248.643702][ T2403] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.648792][ T2403] vfs_write+0xc4a/0xf80 [ 248.653098][ T2403] ? kernel_write+0x420/0x420 [ 248.657772][ T2403] ? mutex_lock+0xb2/0x1e0 [ 248.662179][ T2403] ? mutex_trylock+0x180/0x180 [ 248.666922][ T2403] ? __fdget_pos+0x26d/0x310 [ 248.671702][ T2403] ? ksys_write+0x77/0x2c0 [ 248.676193][ T2403] ksys_write+0x198/0x2c0 [ 248.680531][ T2403] ? __ia32_sys_read+0x90/0x90 [ 248.685639][ T2403] ? debug_smp_processor_id+0x17/0x20 [ 248.691012][ T2403] __x64_sys_write+0x7b/0x90 [ 248.695586][ T2403] do_syscall_64+0x34/0x70 [ 248.700179][ T2403] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 248.706143][ T2403] RIP: 0033:0x7f6ebe11e049 [ 248.710561][ T2403] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 248.730780][ T2403] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 248.739557][ T2403] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 248.747776][ T2403] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 248.755758][ T2403] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 248.763809][ T2403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 248.772302][ T2403] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 248.783012][ T2414] FAULT_INJECTION: forcing a failure. [ 248.783012][ T2414] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 248.793068][ T2419] FAULT_INJECTION: forcing a failure. [ 248.793068][ T2419] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 248.810917][ T2416] FAULT_INJECTION: forcing a failure. [ 248.810917][ T2416] name failslab, interval 1, probability 0, space 0, times 0 [ 248.813985][ T2419] CPU: 1 PID: 2419 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 248.834486][ T2419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 248.844786][ T2419] Call Trace: [ 248.848240][ T2419] dump_stack_lvl+0x1e2/0x24b [ 248.853021][ T2419] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.858626][ T2419] ? vsnprintf+0x1fa/0x1cd0 [ 248.863288][ T2419] dump_stack+0x15/0x17 [ 248.867719][ T2419] should_fail+0x3c0/0x510 [ 248.872116][ T2419] should_fail_usercopy+0x1a/0x20 [ 248.877473][ T2419] _copy_from_user+0x20/0xd0 [ 248.882064][ T2419] kstrtouint_from_user+0xd7/0x2b0 [ 248.887259][ T2419] ? kstrtol_from_user+0x310/0x310 [ 248.892353][ T2419] ? snprintf+0xd6/0x120 [ 248.896581][ T2419] ? avc_policy_seqno+0x1b/0x70 [ 248.901677][ T2419] ? selinux_file_permission+0x2a9/0x520 [ 248.907725][ T2419] proc_fail_nth_write+0xa5/0x290 [ 248.912740][ T2419] ? security_file_permission+0x9d/0xc0 [ 248.918613][ T2419] ? proc_fail_nth_read+0x220/0x220 [ 248.923792][ T2419] ? security_file_permission+0xa8/0xc0 [ 248.929930][ T2419] ? rw_verify_area+0x1c2/0x360 [ 248.935016][ T2419] ? proc_fail_nth_read+0x220/0x220 [ 248.940411][ T2419] vfs_write+0x39b/0xf80 [ 248.944763][ T2419] ? kernel_write+0x420/0x420 [ 248.949437][ T2419] ? __kasan_check_write+0x14/0x20 [ 248.954541][ T2419] ? mutex_lock+0xb2/0x1e0 [ 248.958959][ T2419] ? mutex_trylock+0x180/0x180 [ 248.963817][ T2419] ? __fdget_pos+0x26d/0x310 [ 248.968586][ T2419] ? ksys_write+0x77/0x2c0 [ 248.973046][ T2419] ksys_write+0x198/0x2c0 [ 248.977890][ T2419] ? __ia32_sys_read+0x90/0x90 [ 248.982898][ T2419] ? debug_smp_processor_id+0x17/0x20 [ 248.988432][ T2419] __x64_sys_write+0x7b/0x90 [ 248.993251][ T2419] do_syscall_64+0x34/0x70 [ 248.997653][ T2419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 249.003660][ T2419] RIP: 0033:0x7f869ba6eb5f [ 249.008249][ T2419] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 249.028106][ T2419] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 249.036680][ T2419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 249.044749][ T2419] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 249.053077][ T2419] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 249.061230][ T2419] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 249.069361][ T2419] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 249.077441][ T2414] CPU: 0 PID: 2414 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 249.087767][ T2414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 249.097892][ T2414] Call Trace: [ 249.101262][ T2414] dump_stack_lvl+0x1e2/0x24b [ 249.105915][ T2414] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.111360][ T2414] ? vsnprintf+0x1fa/0x1cd0 [ 249.115929][ T2414] dump_stack+0x15/0x17 [ 249.120059][ T2414] should_fail+0x3c0/0x510 [ 249.124542][ T2414] should_fail_usercopy+0x1a/0x20 [ 249.129558][ T2414] _copy_from_user+0x20/0xd0 [ 249.134147][ T2414] kstrtouint_from_user+0xd7/0x2b0 [ 249.139511][ T2414] ? kstrtol_from_user+0x310/0x310 [ 249.144696][ T2414] ? snprintf+0xd6/0x120 [ 249.148924][ T2414] ? avc_policy_seqno+0x1b/0x70 [ 249.154446][ T2414] ? selinux_file_permission+0x2a9/0x520 [ 249.160252][ T2414] proc_fail_nth_write+0xa5/0x290 [ 249.165359][ T2414] ? security_file_permission+0x9d/0xc0 [ 249.170904][ T2414] ? proc_fail_nth_read+0x220/0x220 [ 249.176161][ T2414] ? security_file_permission+0xa8/0xc0 [ 249.181681][ T2414] ? rw_verify_area+0x1c2/0x360 [ 249.186689][ T2414] ? proc_fail_nth_read+0x220/0x220 [ 249.191863][ T2414] vfs_write+0x39b/0xf80 [ 249.196084][ T2414] ? kernel_write+0x420/0x420 [ 249.200744][ T2414] ? __kasan_check_write+0x14/0x20 [ 249.205828][ T2414] ? mutex_lock+0xb2/0x1e0 [ 249.210317][ T2414] ? mutex_trylock+0x180/0x180 [ 249.215147][ T2414] ? __fdget_pos+0x26d/0x310 [ 249.219807][ T2414] ? ksys_write+0x77/0x2c0 [ 249.224295][ T2414] ksys_write+0x198/0x2c0 [ 249.228820][ T2414] ? __kasan_check_write+0x14/0x20 [ 249.233909][ T2414] ? __ia32_sys_read+0x90/0x90 [ 249.238658][ T2414] ? debug_smp_processor_id+0x17/0x20 [ 249.244003][ T2414] __x64_sys_write+0x7b/0x90 [ 249.248740][ T2414] do_syscall_64+0x34/0x70 [ 249.253142][ T2414] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 249.259713][ T2414] RIP: 0033:0x7f7d1c31ab5f [ 249.264295][ T2414] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 249.284147][ T2414] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 249.292712][ T2414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 249.300847][ T2414] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 249.309058][ T2414] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 249.317280][ T2414] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 249.325228][ T2414] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 249.336201][ T2416] CPU: 0 PID: 2416 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 249.346641][ T2416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 249.356794][ T2416] Call Trace: [ 249.360085][ T2416] dump_stack_lvl+0x1e2/0x24b [ 249.364764][ T2416] ? panic+0x7d7/0x7d7 [ 249.368907][ T2416] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.374467][ T2416] ? find_next_bit+0xd6/0x120 [ 249.379212][ T2416] ? cpumask_next+0x11/0x30 [ 249.383796][ T2416] dump_stack+0x15/0x17 [ 249.388037][ T2416] should_fail+0x3c0/0x510 [ 249.392720][ T2416] ? percpu_ref_init+0xd0/0x340 [ 249.398002][ T2416] __should_failslab+0x9f/0xe0 [ 249.402836][ T2416] should_failslab+0x9/0x20 [ 249.407515][ T2416] kmem_cache_alloc_trace+0x3a/0x330 [ 249.412953][ T2416] percpu_ref_init+0xd0/0x340 [ 249.417786][ T2416] ? cgroup_setup_root+0xea0/0xea0 [ 249.423414][ T2416] cgroup_apply_control_enable+0x3a2/0x12f0 [ 249.429368][ T2416] ? cgroup_reconfigure+0xe0/0xe0 [ 249.435278][ T2416] cgroup_apply_control+0x8e/0x7e0 [ 249.440728][ T2416] ? css_next_child+0x160/0x160 [ 249.445587][ T2416] ? io_schedule+0x120/0x120 [ 249.450174][ T2416] ? kernfs_fop_write_iter+0x15e/0x410 [ 249.455704][ T2416] ? __kasan_check_write+0x14/0x20 [ 249.461150][ T2416] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 249.466512][ T2416] cgroup_subtree_control_write+0xd19/0x1310 [ 249.472726][ T2416] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.478852][ T2416] ? __kasan_check_write+0x14/0x20 [ 249.484111][ T2416] ? _copy_from_iter+0x3fb/0xd60 [ 249.489111][ T2416] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.495065][ T2416] cgroup_file_write+0x28e/0x590 [ 249.500106][ T2416] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.505370][ T2416] ? mutex_trylock+0x180/0x180 [ 249.510120][ T2416] ? __kasan_check_write+0x14/0x20 [ 249.515475][ T2416] kernfs_fop_write_iter+0x2d0/0x410 [ 249.520745][ T2416] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.525833][ T2416] vfs_write+0xc4a/0xf80 [ 249.530061][ T2416] ? kernel_write+0x420/0x420 [ 249.535060][ T2416] ? mutex_lock+0xb2/0x1e0 [ 249.539476][ T2416] ? mutex_trylock+0x180/0x180 [ 249.544215][ T2416] ? __fdget_pos+0x26d/0x310 [ 249.548898][ T2416] ? ksys_write+0x77/0x2c0 [ 249.554399][ T2416] ksys_write+0x198/0x2c0 [ 249.559150][ T2416] ? __ia32_sys_read+0x90/0x90 [ 249.564071][ T2416] ? debug_smp_processor_id+0x17/0x20 [ 249.569529][ T2416] __x64_sys_write+0x7b/0x90 [ 249.574299][ T2416] do_syscall_64+0x34/0x70 [ 249.578867][ T2416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 249.584752][ T2416] RIP: 0033:0x7f85191c4049 [ 249.589243][ T2416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 249.609122][ T2416] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 249.617600][ T2416] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 249.625660][ T2416] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 249.633796][ T2416] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 249.641864][ T2416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 249.649839][ T2416] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 249.671334][ T2422] FAULT_INJECTION: forcing a failure. [ 249.671334][ T2422] name failslab, interval 1, probability 0, space 0, times 0 [ 249.690722][ T2422] CPU: 0 PID: 2422 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 249.701058][ T2422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 249.711298][ T2422] Call Trace: [ 249.714715][ T2422] dump_stack_lvl+0x1e2/0x24b [ 249.719398][ T2422] ? panic+0x7d7/0x7d7 [ 249.723689][ T2422] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.729347][ T2422] ? find_next_bit+0xd6/0x120 [ 249.734136][ T2422] ? cpumask_next+0x11/0x30 [ 249.738632][ T2422] dump_stack+0x15/0x17 [ 249.742784][ T2422] should_fail+0x3c0/0x510 [ 249.747190][ T2422] ? percpu_ref_init+0xd0/0x340 [ 249.752024][ T2422] __should_failslab+0x9f/0xe0 [ 249.756773][ T2422] should_failslab+0x9/0x20 [ 249.761297][ T2422] kmem_cache_alloc_trace+0x3a/0x330 [ 249.766825][ T2422] percpu_ref_init+0xd0/0x340 [ 249.771707][ T2422] ? cgroup_setup_root+0xea0/0xea0 [ 249.777076][ T2422] cgroup_apply_control_enable+0x3a2/0x12f0 [ 249.783083][ T2422] ? cgroup_reconfigure+0xe0/0xe0 [ 249.788300][ T2422] cgroup_apply_control+0x8e/0x7e0 [ 249.793579][ T2422] ? css_next_child+0x160/0x160 [ 249.798419][ T2422] ? io_schedule+0x120/0x120 [ 249.803003][ T2422] ? kernfs_fop_write_iter+0x15e/0x410 [ 249.808459][ T2422] ? __kasan_check_write+0x14/0x20 [ 249.813656][ T2422] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 249.818925][ T2422] cgroup_subtree_control_write+0xd19/0x1310 [ 249.825524][ T2422] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.831580][ T2422] ? __kasan_check_write+0x14/0x20 [ 249.836684][ T2422] ? _copy_from_iter+0x3fb/0xd60 [ 249.841741][ T2422] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.848403][ T2422] cgroup_file_write+0x28e/0x590 [ 249.853855][ T2422] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.860155][ T2422] ? mutex_trylock+0x180/0x180 [ 249.865954][ T2422] ? __kasan_check_write+0x14/0x20 [ 249.871142][ T2422] kernfs_fop_write_iter+0x2d0/0x410 [ 249.876425][ T2422] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.882418][ T2422] vfs_write+0xc4a/0xf80 [ 249.886871][ T2422] ? kernel_write+0x420/0x420 [ 249.891635][ T2422] ? mutex_lock+0xb2/0x1e0 [ 249.896206][ T2422] ? mutex_trylock+0x180/0x180 [ 249.901217][ T2422] ? __fdget_pos+0x26d/0x310 [ 249.906240][ T2422] ? ksys_write+0x77/0x2c0 [ 249.910819][ T2422] ksys_write+0x198/0x2c0 [ 249.915128][ T2422] ? __ia32_sys_read+0x90/0x90 [ 249.920063][ T2422] ? debug_smp_processor_id+0x17/0x20 [ 249.925477][ T2422] __x64_sys_write+0x7b/0x90 [ 249.930141][ T2422] do_syscall_64+0x34/0x70 [ 249.934544][ T2422] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 249.940760][ T2422] RIP: 0033:0x7f6ebe11e049 [ 249.945259][ T2422] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 249.965074][ T2422] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 249.973608][ T2422] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 249.982525][ T2422] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 249.990508][ T2422] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 249.998779][ T2422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 250.007139][ T2422] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 250.018531][ T2428] FAULT_INJECTION: forcing a failure. [ 250.018531][ T2428] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 250.021856][ T2436] FAULT_INJECTION: forcing a failure. [ 250.021856][ T2436] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 250.036574][ T2430] FAULT_INJECTION: forcing a failure. [ 250.036574][ T2430] name failslab, interval 1, probability 0, space 0, times 0 [ 250.048702][ T2436] CPU: 0 PID: 2436 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 250.069468][ T2436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 250.079687][ T2436] Call Trace: [ 250.083051][ T2436] dump_stack_lvl+0x1e2/0x24b [ 250.087916][ T2436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 250.093936][ T2436] ? vsnprintf+0x1fa/0x1cd0 [ 250.098438][ T2436] dump_stack+0x15/0x17 [ 250.102665][ T2436] should_fail+0x3c0/0x510 [ 250.107172][ T2436] should_fail_usercopy+0x1a/0x20 [ 250.112184][ T2436] _copy_from_user+0x20/0xd0 [ 250.116764][ T2436] kstrtouint_from_user+0xd7/0x2b0 [ 250.121981][ T2436] ? kstrtol_from_user+0x310/0x310 [ 250.127088][ T2436] ? snprintf+0xd6/0x120 [ 250.131433][ T2436] ? avc_policy_seqno+0x1b/0x70 [ 250.136277][ T2436] ? selinux_file_permission+0x2a9/0x520 [ 250.141904][ T2436] proc_fail_nth_write+0xa5/0x290 [ 250.146918][ T2436] ? security_file_permission+0x9d/0xc0 [ 250.152668][ T2436] ? proc_fail_nth_read+0x220/0x220 [ 250.158037][ T2436] ? security_file_permission+0xa8/0xc0 [ 250.163659][ T2436] ? rw_verify_area+0x1c2/0x360 [ 250.168496][ T2436] ? proc_fail_nth_read+0x220/0x220 [ 250.173677][ T2436] vfs_write+0x39b/0xf80 [ 250.177909][ T2436] ? kernel_write+0x420/0x420 [ 250.182569][ T2436] ? __kasan_check_write+0x14/0x20 [ 250.187671][ T2436] ? mutex_lock+0xb2/0x1e0 [ 250.192296][ T2436] ? mutex_trylock+0x180/0x180 [ 250.197226][ T2436] ? __fdget_pos+0x26d/0x310 [ 250.201985][ T2436] ? ksys_write+0x77/0x2c0 [ 250.206478][ T2436] ksys_write+0x198/0x2c0 [ 250.210986][ T2436] ? __ia32_sys_read+0x90/0x90 [ 250.215827][ T2436] ? debug_smp_processor_id+0x17/0x20 [ 250.221285][ T2436] __x64_sys_write+0x7b/0x90 [ 250.225949][ T2436] do_syscall_64+0x34/0x70 [ 250.230613][ T2436] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 250.236576][ T2436] RIP: 0033:0x7faa22393b5f [ 250.241169][ T2436] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 250.260850][ T2436] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 250.269329][ T2436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 250.277282][ T2436] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 250.285230][ T2436] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 250.293186][ T2436] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 250.301317][ T2436] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 250.309389][ T2430] CPU: 1 PID: 2430 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 250.319912][ T2430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 250.330062][ T2430] Call Trace: [ 250.333426][ T2430] dump_stack_lvl+0x1e2/0x24b [ 250.338096][ T2430] ? panic+0x7d7/0x7d7 [ 250.342145][ T2430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 250.347597][ T2430] ? find_next_bit+0xd6/0x120 [ 250.352344][ T2430] ? cpumask_next+0x11/0x30 [ 250.356847][ T2430] dump_stack+0x15/0x17 [ 250.360985][ T2430] should_fail+0x3c0/0x510 [ 250.365386][ T2430] ? percpu_ref_init+0xd0/0x340 [ 250.370305][ T2430] __should_failslab+0x9f/0xe0 [ 250.375055][ T2430] should_failslab+0x9/0x20 [ 250.379626][ T2430] kmem_cache_alloc_trace+0x3a/0x330 [ 250.385082][ T2430] percpu_ref_init+0xd0/0x340 [ 250.389828][ T2430] ? cgroup_setup_root+0xea0/0xea0 [ 250.395907][ T2430] cgroup_apply_control_enable+0x3a2/0x12f0 [ 250.401948][ T2430] ? cgroup_reconfigure+0xe0/0xe0 [ 250.406948][ T2430] cgroup_apply_control+0x8e/0x7e0 [ 250.412036][ T2430] ? css_next_child+0x160/0x160 [ 250.416871][ T2430] ? io_schedule+0x120/0x120 [ 250.421559][ T2430] ? kernfs_fop_write_iter+0x15e/0x410 [ 250.427079][ T2430] ? __kasan_check_write+0x14/0x20 [ 250.432199][ T2430] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 250.437459][ T2430] cgroup_subtree_control_write+0xd19/0x1310 [ 250.443440][ T2430] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 250.449627][ T2430] ? __kasan_check_write+0x14/0x20 [ 250.454886][ T2430] ? _copy_from_iter+0x3fb/0xd60 [ 250.459896][ T2430] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 250.465851][ T2430] cgroup_file_write+0x28e/0x590 [ 250.470760][ T2430] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.475848][ T2430] ? mutex_trylock+0x180/0x180 [ 250.480760][ T2430] ? __kasan_check_write+0x14/0x20 [ 250.485848][ T2430] kernfs_fop_write_iter+0x2d0/0x410 [ 250.491259][ T2430] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.496443][ T2430] vfs_write+0xc4a/0xf80 [ 250.500660][ T2430] ? kernel_write+0x420/0x420 [ 250.505310][ T2430] ? mutex_lock+0xb2/0x1e0 [ 250.509991][ T2430] ? mutex_trylock+0x180/0x180 [ 250.514816][ T2430] ? __fdget_pos+0x26d/0x310 [ 250.519467][ T2430] ? ksys_write+0x77/0x2c0 [ 250.523877][ T2430] ksys_write+0x198/0x2c0 [ 250.528291][ T2430] ? __ia32_sys_read+0x90/0x90 [ 250.533047][ T2430] ? debug_smp_processor_id+0x17/0x20 [ 250.538391][ T2430] __x64_sys_write+0x7b/0x90 [ 250.542965][ T2430] do_syscall_64+0x34/0x70 [ 250.547457][ T2430] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 250.553422][ T2430] RIP: 0033:0x7f85191c4049 [ 250.557914][ T2430] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 250.578257][ T2430] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 250.586736][ T2430] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 250.594722][ T2430] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 250.602758][ T2430] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 250.610705][ T2430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 250.618652][ T2430] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 250.627882][ T2428] CPU: 1 PID: 2428 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 250.638385][ T2428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 250.649030][ T2428] Call Trace: [ 250.652399][ T2428] dump_stack_lvl+0x1e2/0x24b [ 250.657062][ T2428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 250.662493][ T2428] ? vsnprintf+0x1fa/0x1cd0 [ 250.667607][ T2428] dump_stack+0x15/0x17 [ 250.671747][ T2428] should_fail+0x3c0/0x510 [ 250.676139][ T2428] should_fail_usercopy+0x1a/0x20 [ 250.681138][ T2428] _copy_from_user+0x20/0xd0 [ 250.685722][ T2428] kstrtouint_from_user+0xd7/0x2b0 [ 250.690839][ T2428] ? kstrtol_from_user+0x310/0x310 [ 250.699760][ T2428] ? snprintf+0xd6/0x120 [ 250.703981][ T2428] ? avc_policy_seqno+0x1b/0x70 [ 250.709004][ T2428] ? selinux_file_permission+0x2a9/0x520 [ 250.714874][ T2428] proc_fail_nth_write+0xa5/0x290 [ 250.720053][ T2428] ? security_file_permission+0x9d/0xc0 [ 250.725696][ T2428] ? proc_fail_nth_read+0x220/0x220 [ 250.730987][ T2428] ? security_file_permission+0xa8/0xc0 [ 250.736600][ T2428] ? rw_verify_area+0x1c2/0x360 [ 250.741695][ T2428] ? proc_fail_nth_read+0x220/0x220 [ 250.747300][ T2428] vfs_write+0x39b/0xf80 [ 250.751603][ T2428] ? kernel_write+0x420/0x420 [ 250.756451][ T2428] ? __kasan_check_write+0x14/0x20 [ 250.761535][ T2428] ? mutex_lock+0xb2/0x1e0 [ 250.766037][ T2428] ? mutex_trylock+0x180/0x180 [ 250.770778][ T2428] ? __fdget_pos+0x26d/0x310 [ 250.775427][ T2428] ? ksys_write+0x77/0x2c0 [ 250.780167][ T2428] ksys_write+0x198/0x2c0 [ 250.784495][ T2428] ? __kasan_check_write+0x14/0x20 [ 250.789668][ T2428] ? __ia32_sys_read+0x90/0x90 [ 250.794570][ T2428] ? debug_smp_processor_id+0x17/0x20 [ 250.800052][ T2428] __x64_sys_write+0x7b/0x90 [ 250.804744][ T2428] do_syscall_64+0x34/0x70 [ 250.809141][ T2428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 250.815186][ T2428] RIP: 0033:0x7f7d1c31ab5f [ 250.819799][ T2428] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 250.840364][ T2428] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 250.849158][ T2428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 250.857214][ T2428] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 250.865469][ T2428] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 250.873596][ T2428] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 250.881649][ T2428] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 250.901683][ T2440] FAULT_INJECTION: forcing a failure. [ 250.901683][ T2440] name failslab, interval 1, probability 0, space 0, times 0 [ 250.916288][ T2440] CPU: 0 PID: 2440 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 250.926627][ T2440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 250.936789][ T2440] Call Trace: [ 250.940082][ T2440] dump_stack_lvl+0x1e2/0x24b [ 250.945032][ T2440] ? panic+0x7d7/0x7d7 [ 250.951187][ T2440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 250.956635][ T2440] ? find_next_bit+0xd6/0x120 [ 250.961470][ T2440] ? cpumask_next+0x11/0x30 [ 250.966058][ T2440] dump_stack+0x15/0x17 [ 250.970294][ T2440] should_fail+0x3c0/0x510 [ 250.974697][ T2440] ? percpu_ref_init+0xd0/0x340 [ 250.979663][ T2440] __should_failslab+0x9f/0xe0 [ 250.985053][ T2440] should_failslab+0x9/0x20 [ 250.989832][ T2440] kmem_cache_alloc_trace+0x3a/0x330 [ 250.995551][ T2440] percpu_ref_init+0xd0/0x340 [ 251.000316][ T2440] ? cgroup_setup_root+0xea0/0xea0 [ 251.005523][ T2440] cgroup_apply_control_enable+0x3a2/0x12f0 [ 251.011586][ T2440] ? cgroup_reconfigure+0xe0/0xe0 [ 251.016598][ T2440] cgroup_apply_control+0x8e/0x7e0 [ 251.021697][ T2440] ? css_next_child+0x160/0x160 [ 251.026527][ T2440] ? io_schedule+0x120/0x120 [ 251.031533][ T2440] ? kernfs_fop_write_iter+0x15e/0x410 [ 251.037299][ T2440] ? __kasan_check_write+0x14/0x20 [ 251.042554][ T2440] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 251.047944][ T2440] cgroup_subtree_control_write+0xd19/0x1310 [ 251.053912][ T2440] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.060033][ T2440] ? __kasan_check_write+0x14/0x20 [ 251.065271][ T2440] ? _copy_from_iter+0x3fb/0xd60 [ 251.070477][ T2440] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.077152][ T2440] cgroup_file_write+0x28e/0x590 [ 251.082176][ T2440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.087634][ T2440] ? mutex_trylock+0x180/0x180 [ 251.092384][ T2440] ? __kasan_check_write+0x14/0x20 [ 251.097670][ T2440] kernfs_fop_write_iter+0x2d0/0x410 [ 251.102964][ T2440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.108114][ T2440] vfs_write+0xc4a/0xf80 [ 251.112351][ T2440] ? kernel_write+0x420/0x420 [ 251.117122][ T2440] ? mutex_lock+0xb2/0x1e0 [ 251.121559][ T2440] ? mutex_trylock+0x180/0x180 [ 251.126902][ T2440] ? __fdget_pos+0x26d/0x310 [ 251.131560][ T2440] ? ksys_write+0x77/0x2c0 [ 251.135964][ T2440] ksys_write+0x198/0x2c0 [ 251.140274][ T2440] ? __ia32_sys_read+0x90/0x90 [ 251.145212][ T2440] ? debug_smp_processor_id+0x17/0x20 [ 251.150583][ T2440] __x64_sys_write+0x7b/0x90 [ 251.155337][ T2440] do_syscall_64+0x34/0x70 [ 251.159831][ T2440] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 251.166077][ T2440] RIP: 0033:0x7f6ebe11e049 [ 251.170488][ T2440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 251.191270][ T2440] RSP: 002b:00007f6ebe052168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 251.199789][ T2440] RAX: ffffffffffffffda RBX: 00007f6ebe231100 RCX: 00007f6ebe11e049 [ 251.207889][ T2440] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 251.216688][ T2440] RBP: 00007f6ebe0521d0 R08: 0000000000000000 R09: 0000000000000000 [ 251.224945][ T2440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 251.233162][ T2440] R13: 00007ffd48f8c5bf R14: 00007f6ebe052300 R15: 0000000000022000 [ 251.243050][ T2445] FAULT_INJECTION: forcing a failure. [ 251.243050][ T2445] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 251.244840][ T2443] FAULT_INJECTION: forcing a failure. [ 251.244840][ T2443] name failslab, interval 1, probability 0, space 0, times 0 [ 251.269355][ T2445] CPU: 0 PID: 2445 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 251.280269][ T2445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 251.291620][ T2445] Call Trace: [ 251.295008][ T2445] dump_stack_lvl+0x1e2/0x24b [ 251.299704][ T2445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 251.305606][ T2445] ? vsnprintf+0x1fa/0x1cd0 [ 251.310157][ T2445] dump_stack+0x15/0x17 [ 251.314574][ T2445] should_fail+0x3c0/0x510 [ 251.319099][ T2445] should_fail_usercopy+0x1a/0x20 [ 251.324233][ T2445] _copy_from_user+0x20/0xd0 [ 251.328966][ T2445] kstrtouint_from_user+0xd7/0x2b0 [ 251.334150][ T2445] ? kstrtol_from_user+0x310/0x310 [ 251.339421][ T2445] ? snprintf+0xd6/0x120 [ 251.343871][ T2445] ? avc_policy_seqno+0x1b/0x70 [ 251.350290][ T2445] ? selinux_file_permission+0x2a9/0x520 [ 251.355915][ T2445] proc_fail_nth_write+0xa5/0x290 [ 251.360956][ T2445] ? security_file_permission+0x9d/0xc0 [ 251.366725][ T2445] ? proc_fail_nth_read+0x220/0x220 [ 251.371907][ T2445] ? security_file_permission+0xa8/0xc0 [ 251.377443][ T2445] ? rw_verify_area+0x1c2/0x360 [ 251.382288][ T2445] ? proc_fail_nth_read+0x220/0x220 [ 251.387653][ T2445] vfs_write+0x39b/0xf80 [ 251.392287][ T2445] ? kernel_write+0x420/0x420 [ 251.399292][ T2445] ? __kasan_check_write+0x14/0x20 [ 251.404488][ T2445] ? mutex_lock+0xb2/0x1e0 [ 251.408893][ T2445] ? mutex_trylock+0x180/0x180 [ 251.413655][ T2445] ? __fdget_pos+0x26d/0x310 [ 251.418252][ T2445] ? ksys_write+0x77/0x2c0 [ 251.422751][ T2445] ksys_write+0x198/0x2c0 [ 251.427310][ T2445] ? __kasan_check_write+0x14/0x20 [ 251.432417][ T2445] ? __ia32_sys_read+0x90/0x90 [ 251.439342][ T2445] ? debug_smp_processor_id+0x17/0x20 [ 251.444791][ T2445] __x64_sys_write+0x7b/0x90 [ 251.449367][ T2445] do_syscall_64+0x34/0x70 [ 251.453771][ T2445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 251.459643][ T2445] RIP: 0033:0x7faa22393b5f [ 251.464044][ T2445] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 251.484850][ T2445] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 251.493431][ T2445] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 251.502437][ T2445] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 251.511617][ T2445] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 251.519935][ T2445] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 251.528090][ T2445] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 251.536148][ T2443] CPU: 1 PID: 2443 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 251.546462][ T2443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 251.556584][ T2443] Call Trace: [ 251.559865][ T2443] dump_stack_lvl+0x1e2/0x24b [ 251.564522][ T2443] ? panic+0x7d7/0x7d7 [ 251.568579][ T2443] ? bfq_pos_tree_add_move+0x43e/0x43e [ 251.574015][ T2443] ? find_next_bit+0xd6/0x120 [ 251.578673][ T2443] ? cpumask_next+0x11/0x30 [ 251.583154][ T2443] dump_stack+0x15/0x17 [ 251.587284][ T2443] should_fail+0x3c0/0x510 [ 251.591686][ T2443] ? percpu_ref_init+0xd0/0x340 [ 251.596888][ T2443] __should_failslab+0x9f/0xe0 [ 251.601650][ T2443] should_failslab+0x9/0x20 [ 251.606327][ T2443] kmem_cache_alloc_trace+0x3a/0x330 [ 251.611767][ T2443] percpu_ref_init+0xd0/0x340 [ 251.616442][ T2443] ? cgroup_setup_root+0xea0/0xea0 [ 251.621892][ T2443] cgroup_apply_control_enable+0x3a2/0x12f0 [ 251.627888][ T2443] ? cgroup_reconfigure+0xe0/0xe0 [ 251.633125][ T2443] cgroup_apply_control+0x8e/0x7e0 [ 251.638211][ T2443] ? css_next_child+0x160/0x160 [ 251.643065][ T2443] ? io_schedule+0x120/0x120 [ 251.647629][ T2443] ? kernfs_fop_write_iter+0x15e/0x410 [ 251.653325][ T2443] ? __kasan_check_write+0x14/0x20 [ 251.658526][ T2443] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 251.663959][ T2443] cgroup_subtree_control_write+0xd19/0x1310 [ 251.669999][ T2443] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.676041][ T2443] ? __kasan_check_write+0x14/0x20 [ 251.681485][ T2443] ? _copy_from_iter+0x3fb/0xd60 [ 251.686486][ T2443] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.693973][ T2443] cgroup_file_write+0x28e/0x590 [ 251.699439][ T2443] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.704568][ T2443] ? mutex_trylock+0x180/0x180 [ 251.709601][ T2443] ? __kasan_check_write+0x14/0x20 [ 251.715368][ T2443] kernfs_fop_write_iter+0x2d0/0x410 [ 251.721198][ T2443] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.726315][ T2443] vfs_write+0xc4a/0xf80 [ 251.730554][ T2443] ? kernel_write+0x420/0x420 [ 251.735471][ T2443] ? mutex_lock+0xb2/0x1e0 [ 251.739871][ T2443] ? mutex_trylock+0x180/0x180 [ 251.744610][ T2443] ? __fdget_pos+0x26d/0x310 [ 251.749193][ T2443] ? ksys_write+0x77/0x2c0 [ 251.753715][ T2443] ksys_write+0x198/0x2c0 [ 251.758142][ T2443] ? __ia32_sys_read+0x90/0x90 [ 251.762974][ T2443] ? debug_smp_processor_id+0x17/0x20 [ 251.768524][ T2443] __x64_sys_write+0x7b/0x90 [ 251.773527][ T2443] do_syscall_64+0x34/0x70 [ 251.777919][ T2443] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 251.783871][ T2443] RIP: 0033:0x7f85191c4049 [ 251.788348][ T2443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 251.809978][ T2443] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 251.818717][ T2443] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 251.826893][ T2443] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 251.835118][ T2443] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 251.843187][ T2443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 251.851142][ T2443] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 251.863565][ T2452] FAULT_INJECTION: forcing a failure. [ 251.863565][ T2452] name failslab, interval 1, probability 0, space 0, times 0 [ 251.881395][ T2452] CPU: 1 PID: 2452 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 251.891735][ T2452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 251.902223][ T2452] Call Trace: [ 251.905539][ T2452] dump_stack_lvl+0x1e2/0x24b [ 251.910244][ T2452] ? panic+0x7d7/0x7d7 [ 251.914457][ T2452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 251.919905][ T2452] ? find_next_bit+0xd6/0x120 [ 251.924774][ T2452] ? cpumask_next+0x11/0x30 [ 251.929564][ T2452] dump_stack+0x15/0x17 [ 251.934091][ T2452] should_fail+0x3c0/0x510 [ 251.938489][ T2452] ? percpu_ref_init+0xd0/0x340 [ 251.943340][ T2452] __should_failslab+0x9f/0xe0 [ 251.948093][ T2452] should_failslab+0x9/0x20 [ 251.952575][ T2452] kmem_cache_alloc_trace+0x3a/0x330 [ 251.957853][ T2452] percpu_ref_init+0xd0/0x340 [ 251.962612][ T2452] ? cgroup_setup_root+0xea0/0xea0 [ 251.967710][ T2452] cgroup_apply_control_enable+0x3a2/0x12f0 [ 251.973863][ T2452] ? cgroup_reconfigure+0xe0/0xe0 [ 251.978950][ T2452] cgroup_apply_control+0x8e/0x7e0 [ 251.984082][ T2452] ? css_next_child+0x160/0x160 [ 251.988915][ T2452] ? io_schedule+0x120/0x120 [ 251.993493][ T2452] ? kernfs_fop_write_iter+0x15e/0x410 [ 251.999669][ T2452] ? __kasan_check_write+0x14/0x20 [ 252.004927][ T2452] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 252.010211][ T2452] cgroup_subtree_control_write+0xd19/0x1310 [ 252.016345][ T2452] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.022531][ T2452] ? __kasan_check_write+0x14/0x20 [ 252.027891][ T2452] ? _copy_from_iter+0x3fb/0xd60 [ 252.032914][ T2452] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.038982][ T2452] cgroup_file_write+0x28e/0x590 [ 252.044080][ T2452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.049204][ T2452] ? mutex_trylock+0x180/0x180 [ 252.053952][ T2452] ? __kasan_check_write+0x14/0x20 [ 252.059154][ T2452] kernfs_fop_write_iter+0x2d0/0x410 [ 252.064805][ T2452] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.069902][ T2452] vfs_write+0xc4a/0xf80 [ 252.074300][ T2452] ? kernel_write+0x420/0x420 [ 252.078954][ T2452] ? mutex_lock+0xb2/0x1e0 [ 252.083370][ T2452] ? mutex_trylock+0x180/0x180 [ 252.088114][ T2452] ? __fdget_pos+0x26d/0x310 [ 252.092747][ T2452] ? ksys_write+0x77/0x2c0 [ 252.097192][ T2452] ksys_write+0x198/0x2c0 [ 252.101773][ T2452] ? __ia32_sys_read+0x90/0x90 [ 252.106685][ T2452] ? debug_smp_processor_id+0x17/0x20 [ 252.112260][ T2452] __x64_sys_write+0x7b/0x90 [ 252.116860][ T2452] do_syscall_64+0x34/0x70 [ 252.121274][ T2452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 252.127575][ T2452] RIP: 0033:0x7f6ebe11e049 [ 252.132299][ T2452] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 252.153419][ T2452] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 252.164850][ T2452] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 252.173290][ T2452] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 2022/08/30 16:59:53 executed programs: 927 [ 252.181365][ T2452] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 252.189584][ T2452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 252.197808][ T2452] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 252.211050][ T2455] FAULT_INJECTION: forcing a failure. [ 252.211050][ T2455] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 252.213324][ T2456] FAULT_INJECTION: forcing a failure. [ 252.213324][ T2456] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 252.233185][ T2455] CPU: 1 PID: 2455 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 252.238373][ T2458] FAULT_INJECTION: forcing a failure. [ 252.238373][ T2458] name failslab, interval 1, probability 0, space 0, times 0 [ 252.248708][ T2455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 252.248713][ T2455] Call Trace: [ 252.248734][ T2455] dump_stack_lvl+0x1e2/0x24b [ 252.248744][ T2455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 252.248754][ T2455] ? vsnprintf+0x1fa/0x1cd0 [ 252.248763][ T2455] dump_stack+0x15/0x17 [ 252.248772][ T2455] should_fail+0x3c0/0x510 [ 252.248782][ T2455] should_fail_usercopy+0x1a/0x20 [ 252.248793][ T2455] _copy_from_user+0x20/0xd0 [ 252.248805][ T2455] kstrtouint_from_user+0xd7/0x2b0 [ 252.248815][ T2455] ? kstrtol_from_user+0x310/0x310 [ 252.248823][ T2455] ? snprintf+0xd6/0x120 [ 252.248843][ T2455] ? avc_policy_seqno+0x1b/0x70 [ 252.327402][ T2455] ? selinux_file_permission+0x2a9/0x520 [ 252.333568][ T2455] proc_fail_nth_write+0xa5/0x290 [ 252.339102][ T2455] ? security_file_permission+0x9d/0xc0 [ 252.344630][ T2455] ? proc_fail_nth_read+0x220/0x220 [ 252.350102][ T2455] ? security_file_permission+0xa8/0xc0 [ 252.355652][ T2455] ? rw_verify_area+0x1c2/0x360 [ 252.360836][ T2455] ? proc_fail_nth_read+0x220/0x220 [ 252.366189][ T2455] vfs_write+0x39b/0xf80 [ 252.370696][ T2455] ? kernel_write+0x420/0x420 [ 252.375445][ T2455] ? __kasan_check_write+0x14/0x20 [ 252.380736][ T2455] ? mutex_lock+0xb2/0x1e0 [ 252.385429][ T2455] ? mutex_trylock+0x180/0x180 [ 252.390529][ T2455] ? __fdget_pos+0x26d/0x310 [ 252.396058][ T2455] ? ksys_write+0x77/0x2c0 [ 252.400827][ T2455] ksys_write+0x198/0x2c0 [ 252.405250][ T2455] ? __kasan_check_write+0x14/0x20 [ 252.412619][ T2455] ? __ia32_sys_read+0x90/0x90 [ 252.417417][ T2455] ? debug_smp_processor_id+0x17/0x20 [ 252.423036][ T2455] __x64_sys_write+0x7b/0x90 [ 252.427828][ T2455] do_syscall_64+0x34/0x70 [ 252.432232][ T2455] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 252.438277][ T2455] RIP: 0033:0x7f022ab05b5f [ 252.442764][ T2455] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 252.463353][ T2455] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 252.471865][ T2455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 252.480118][ T2455] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 252.488520][ T2455] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 252.497114][ T2455] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 252.505087][ T2455] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 252.513250][ T2456] CPU: 0 PID: 2456 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 252.523775][ T2456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 252.534053][ T2456] Call Trace: [ 252.537413][ T2456] dump_stack_lvl+0x1e2/0x24b [ 252.542154][ T2456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 252.547589][ T2456] ? vsnprintf+0x1fa/0x1cd0 [ 252.552244][ T2456] dump_stack+0x15/0x17 [ 252.556374][ T2456] should_fail+0x3c0/0x510 [ 252.560790][ T2456] should_fail_usercopy+0x1a/0x20 [ 252.565970][ T2456] _copy_from_user+0x20/0xd0 [ 252.570651][ T2456] kstrtouint_from_user+0xd7/0x2b0 [ 252.576019][ T2456] ? kstrtol_from_user+0x310/0x310 [ 252.581297][ T2456] ? snprintf+0xd6/0x120 [ 252.585706][ T2456] ? avc_policy_seqno+0x1b/0x70 [ 252.590639][ T2456] ? selinux_file_permission+0x2a9/0x520 [ 252.596336][ T2456] proc_fail_nth_write+0xa5/0x290 [ 252.601423][ T2456] ? security_file_permission+0x9d/0xc0 [ 252.606953][ T2456] ? proc_fail_nth_read+0x220/0x220 [ 252.612223][ T2456] ? security_file_permission+0xa8/0xc0 [ 252.617828][ T2456] ? rw_verify_area+0x1c2/0x360 [ 252.623088][ T2456] ? proc_fail_nth_read+0x220/0x220 [ 252.628627][ T2456] vfs_write+0x39b/0xf80 [ 252.632945][ T2456] ? kernel_write+0x420/0x420 [ 252.637685][ T2456] ? __kasan_check_write+0x14/0x20 [ 252.642955][ T2456] ? mutex_lock+0xb2/0x1e0 [ 252.647526][ T2456] ? mutex_trylock+0x180/0x180 [ 252.652267][ T2456] ? __fdget_pos+0x26d/0x310 [ 252.656940][ T2456] ? ksys_write+0x77/0x2c0 [ 252.661416][ T2456] ksys_write+0x198/0x2c0 [ 252.665720][ T2456] ? __kasan_check_write+0x14/0x20 [ 252.670892][ T2456] ? __ia32_sys_read+0x90/0x90 [ 252.675959][ T2456] ? debug_smp_processor_id+0x17/0x20 [ 252.681564][ T2456] __x64_sys_write+0x7b/0x90 [ 252.686310][ T2456] do_syscall_64+0x34/0x70 [ 252.690707][ T2456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 252.696816][ T2456] RIP: 0033:0x7f7d1c31ab5f [ 252.701577][ T2456] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 252.721272][ T2456] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 252.729814][ T2456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 252.737968][ T2456] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 252.746006][ T2456] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 252.754436][ T2456] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 252.762472][ T2456] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 252.774498][ T2458] CPU: 0 PID: 2458 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 252.784949][ T2458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 252.795175][ T2458] Call Trace: [ 252.798472][ T2458] dump_stack_lvl+0x1e2/0x24b [ 252.803227][ T2458] ? panic+0x7d7/0x7d7 [ 252.807289][ T2458] ? bfq_pos_tree_add_move+0x43e/0x43e [ 252.812866][ T2458] ? find_next_bit+0xd6/0x120 [ 252.817573][ T2458] ? cpumask_next+0x11/0x30 [ 252.822296][ T2458] dump_stack+0x15/0x17 [ 252.827252][ T2458] should_fail+0x3c0/0x510 [ 252.831666][ T2458] ? percpu_ref_init+0xd0/0x340 [ 252.836680][ T2458] __should_failslab+0x9f/0xe0 [ 252.841785][ T2458] should_failslab+0x9/0x20 [ 252.846381][ T2458] kmem_cache_alloc_trace+0x3a/0x330 [ 252.851655][ T2458] percpu_ref_init+0xd0/0x340 [ 252.856335][ T2458] ? cgroup_setup_root+0xea0/0xea0 [ 252.861869][ T2458] cgroup_apply_control_enable+0x3a2/0x12f0 [ 252.867825][ T2458] ? cgroup_reconfigure+0xe0/0xe0 [ 252.872835][ T2458] cgroup_apply_control+0x8e/0x7e0 [ 252.878108][ T2458] ? css_next_child+0x160/0x160 [ 252.883035][ T2458] ? io_schedule+0x120/0x120 [ 252.887779][ T2458] ? kernfs_fop_write_iter+0x15e/0x410 [ 252.893218][ T2458] ? __kasan_check_write+0x14/0x20 [ 252.898314][ T2458] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 252.903596][ T2458] cgroup_subtree_control_write+0xd19/0x1310 [ 252.909655][ T2458] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.915707][ T2458] ? __kasan_check_write+0x14/0x20 [ 252.920911][ T2458] ? _copy_from_iter+0x3fb/0xd60 [ 252.925841][ T2458] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.931885][ T2458] cgroup_file_write+0x28e/0x590 [ 252.936816][ T2458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.941934][ T2458] ? mutex_trylock+0x180/0x180 [ 252.946786][ T2458] ? __kasan_check_write+0x14/0x20 [ 252.952109][ T2458] kernfs_fop_write_iter+0x2d0/0x410 [ 252.957507][ T2458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.962787][ T2458] vfs_write+0xc4a/0xf80 [ 252.967367][ T2458] ? kernel_write+0x420/0x420 [ 252.972065][ T2458] ? mutex_lock+0xb2/0x1e0 [ 252.976806][ T2458] ? mutex_trylock+0x180/0x180 [ 252.981581][ T2458] ? __fdget_pos+0x26d/0x310 [ 252.986276][ T2458] ? ksys_write+0x77/0x2c0 [ 252.991009][ T2458] ksys_write+0x198/0x2c0 [ 252.995361][ T2458] ? __ia32_sys_read+0x90/0x90 [ 253.000195][ T2458] ? debug_smp_processor_id+0x17/0x20 [ 253.005985][ T2458] __x64_sys_write+0x7b/0x90 [ 253.011525][ T2458] do_syscall_64+0x34/0x70 [ 253.016021][ T2458] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 253.021903][ T2458] RIP: 0033:0x7f85191c4049 [ 253.026322][ T2458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 253.046569][ T2458] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 253.054976][ T2458] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 253.062945][ T2458] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 253.071209][ T2458] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 253.079345][ T2458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 253.087557][ T2458] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 253.096959][ T2463] FAULT_INJECTION: forcing a failure. [ 253.096959][ T2463] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 253.109910][ T2469] FAULT_INJECTION: forcing a failure. [ 253.109910][ T2469] name failslab, interval 1, probability 0, space 0, times 0 [ 253.125163][ T2469] CPU: 0 PID: 2469 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 253.135868][ T2469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 253.146899][ T2469] Call Trace: [ 253.150631][ T2469] dump_stack_lvl+0x1e2/0x24b [ 253.155336][ T2469] ? panic+0x7d7/0x7d7 [ 253.159497][ T2469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 253.165840][ T2469] ? find_next_bit+0xd6/0x120 [ 253.170877][ T2469] ? cpumask_next+0x11/0x30 [ 253.175367][ T2469] dump_stack+0x15/0x17 [ 253.179523][ T2469] should_fail+0x3c0/0x510 [ 253.184119][ T2469] ? percpu_ref_init+0xd0/0x340 [ 253.188956][ T2469] __should_failslab+0x9f/0xe0 [ 253.193964][ T2469] should_failslab+0x9/0x20 [ 253.198539][ T2469] kmem_cache_alloc_trace+0x3a/0x330 [ 253.203807][ T2469] percpu_ref_init+0xd0/0x340 [ 253.208483][ T2469] ? cgroup_setup_root+0xea0/0xea0 [ 253.213755][ T2469] cgroup_apply_control_enable+0x3a2/0x12f0 [ 253.219980][ T2469] ? cgroup_reconfigure+0xe0/0xe0 [ 253.225262][ T2469] cgroup_apply_control+0x8e/0x7e0 [ 253.230716][ T2469] ? css_next_child+0x160/0x160 [ 253.235767][ T2469] ? io_schedule+0x120/0x120 [ 253.240343][ T2469] ? kernfs_fop_write_iter+0x15e/0x410 [ 253.245969][ T2469] ? __kasan_check_write+0x14/0x20 [ 253.251237][ T2469] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 253.256522][ T2469] cgroup_subtree_control_write+0xd19/0x1310 [ 253.262575][ T2469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.268626][ T2469] ? __kasan_check_write+0x14/0x20 [ 253.273730][ T2469] ? _copy_from_iter+0x3fb/0xd60 [ 253.278826][ T2469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.284822][ T2469] cgroup_file_write+0x28e/0x590 [ 253.289736][ T2469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.294934][ T2469] ? mutex_trylock+0x180/0x180 [ 253.299901][ T2469] ? __kasan_check_write+0x14/0x20 [ 253.305187][ T2469] kernfs_fop_write_iter+0x2d0/0x410 [ 253.310466][ T2469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.315660][ T2469] vfs_write+0xc4a/0xf80 [ 253.319880][ T2469] ? kernel_write+0x420/0x420 [ 253.324706][ T2469] ? mutex_lock+0xb2/0x1e0 [ 253.329195][ T2469] ? mutex_trylock+0x180/0x180 [ 253.334061][ T2469] ? __fdget_pos+0x26d/0x310 [ 253.338711][ T2469] ? ksys_write+0x77/0x2c0 [ 253.343197][ T2469] ksys_write+0x198/0x2c0 [ 253.347592][ T2469] ? __ia32_sys_read+0x90/0x90 [ 253.352518][ T2469] ? debug_smp_processor_id+0x17/0x20 [ 253.357953][ T2469] __x64_sys_write+0x7b/0x90 [ 253.362779][ T2469] do_syscall_64+0x34/0x70 [ 253.367275][ T2469] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 253.373140][ T2469] RIP: 0033:0x7f85191c4049 [ 253.377621][ T2469] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 253.397687][ T2469] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 253.406450][ T2469] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 253.414847][ T2469] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 253.423058][ T2469] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 253.431136][ T2469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 253.439256][ T2469] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 253.448699][ T2463] CPU: 0 PID: 2463 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 253.450815][ T2465] FAULT_INJECTION: forcing a failure. [ 253.450815][ T2465] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 253.459727][ T2463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 253.459732][ T2463] Call Trace: [ 253.459749][ T2463] dump_stack_lvl+0x1e2/0x24b [ 253.459760][ T2463] ? bfq_pos_tree_add_move+0x43e/0x43e [ 253.459768][ T2463] ? vsnprintf+0x1fa/0x1cd0 [ 253.459779][ T2463] dump_stack+0x15/0x17 [ 253.459788][ T2463] should_fail+0x3c0/0x510 [ 253.459798][ T2463] should_fail_usercopy+0x1a/0x20 [ 253.459808][ T2463] _copy_from_user+0x20/0xd0 [ 253.459818][ T2463] kstrtouint_from_user+0xd7/0x2b0 [ 253.459828][ T2463] ? kstrtol_from_user+0x310/0x310 [ 253.459837][ T2463] ? snprintf+0xd6/0x120 [ 253.459847][ T2463] ? avc_policy_seqno+0x1b/0x70 [ 253.459864][ T2463] ? selinux_file_permission+0x2a9/0x520 [ 253.473113][ T2466] FAULT_INJECTION: forcing a failure. [ 253.473113][ T2466] name failslab, interval 1, probability 0, space 0, times 0 [ 253.483116][ T2463] proc_fail_nth_write+0xa5/0x290 [ 253.483129][ T2463] ? security_file_permission+0x9d/0xc0 [ 253.483138][ T2463] ? proc_fail_nth_read+0x220/0x220 [ 253.483145][ T2463] ? security_file_permission+0xa8/0xc0 [ 253.483155][ T2463] ? rw_verify_area+0x1c2/0x360 [ 253.483163][ T2463] ? proc_fail_nth_read+0x220/0x220 [ 253.483170][ T2463] vfs_write+0x39b/0xf80 [ 253.483180][ T2463] ? kernel_write+0x420/0x420 [ 253.483189][ T2463] ? __kasan_check_write+0x14/0x20 [ 253.483198][ T2463] ? mutex_lock+0xb2/0x1e0 [ 253.483206][ T2463] ? mutex_trylock+0x180/0x180 [ 253.483217][ T2463] ? __fdget_pos+0x26d/0x310 [ 253.483225][ T2463] ? ksys_write+0x77/0x2c0 [ 253.483235][ T2463] ksys_write+0x198/0x2c0 [ 253.483245][ T2463] ? __kasan_check_write+0x14/0x20 [ 253.483255][ T2463] ? __ia32_sys_read+0x90/0x90 [ 253.483266][ T2463] ? debug_smp_processor_id+0x17/0x20 [ 253.483284][ T2463] __x64_sys_write+0x7b/0x90 [ 253.646592][ T2463] do_syscall_64+0x34/0x70 [ 253.651010][ T2463] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 253.657189][ T2463] RIP: 0033:0x7faa22393b5f [ 253.661611][ T2463] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 253.681639][ T2463] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 253.690054][ T2463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 253.698361][ T2463] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 253.706594][ T2463] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 253.716314][ T2463] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 253.724459][ T2463] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 253.732580][ T2466] CPU: 1 PID: 2466 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 253.743099][ T2466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 253.753700][ T2466] Call Trace: [ 253.757161][ T2466] dump_stack_lvl+0x1e2/0x24b [ 253.761823][ T2466] ? panic+0x7d7/0x7d7 [ 253.765865][ T2466] ? bfq_pos_tree_add_move+0x43e/0x43e [ 253.771561][ T2466] ? find_next_bit+0xd6/0x120 [ 253.776300][ T2466] ? cpumask_next+0x11/0x30 [ 253.780953][ T2466] dump_stack+0x15/0x17 [ 253.785276][ T2466] should_fail+0x3c0/0x510 [ 253.789839][ T2466] ? percpu_ref_init+0xd0/0x340 [ 253.794720][ T2466] __should_failslab+0x9f/0xe0 [ 253.799547][ T2466] should_failslab+0x9/0x20 [ 253.804114][ T2466] kmem_cache_alloc_trace+0x3a/0x330 [ 253.809486][ T2466] percpu_ref_init+0xd0/0x340 [ 253.815181][ T2466] ? cgroup_setup_root+0xea0/0xea0 [ 253.820442][ T2466] cgroup_apply_control_enable+0x3a2/0x12f0 [ 253.826483][ T2466] ? cgroup_reconfigure+0xe0/0xe0 [ 253.831487][ T2466] cgroup_apply_control+0x8e/0x7e0 [ 253.836589][ T2466] ? css_next_child+0x160/0x160 [ 253.841435][ T2466] ? io_schedule+0x120/0x120 [ 253.846280][ T2466] ? kernfs_fop_write_iter+0x15e/0x410 [ 253.851901][ T2466] ? __kasan_check_write+0x14/0x20 [ 253.857191][ T2466] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 253.862547][ T2466] cgroup_subtree_control_write+0xd19/0x1310 [ 253.868506][ T2466] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.874460][ T2466] ? __kasan_check_write+0x14/0x20 [ 253.879805][ T2466] ? _copy_from_iter+0x3fb/0xd60 [ 253.884806][ T2466] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.890872][ T2466] cgroup_file_write+0x28e/0x590 [ 253.895980][ T2466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.901286][ T2466] ? mutex_trylock+0x180/0x180 [ 253.906117][ T2466] ? __kasan_check_write+0x14/0x20 [ 253.911205][ T2466] kernfs_fop_write_iter+0x2d0/0x410 [ 253.916567][ T2466] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.921826][ T2466] vfs_write+0xc4a/0xf80 [ 253.926058][ T2466] ? kernel_write+0x420/0x420 [ 253.930738][ T2466] ? mutex_lock+0xb2/0x1e0 [ 253.935215][ T2466] ? mutex_trylock+0x180/0x180 [ 253.940045][ T2466] ? __fdget_pos+0x26d/0x310 [ 253.944636][ T2466] ? ksys_write+0x77/0x2c0 [ 253.949041][ T2466] ksys_write+0x198/0x2c0 [ 253.954844][ T2466] ? __ia32_sys_read+0x90/0x90 [ 253.959745][ T2466] ? debug_smp_processor_id+0x17/0x20 [ 253.965119][ T2466] __x64_sys_write+0x7b/0x90 [ 253.969889][ T2466] do_syscall_64+0x34/0x70 [ 253.974291][ T2466] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 253.981855][ T2466] RIP: 0033:0x7f6ebe11e049 [ 253.986340][ T2466] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 254.007361][ T2466] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 254.016138][ T2466] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 254.025308][ T2466] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 254.033455][ T2466] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 254.041638][ T2466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 254.049774][ T2466] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 254.059395][ T2465] CPU: 0 PID: 2465 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 254.066860][ T2475] FAULT_INJECTION: forcing a failure. [ 254.066860][ T2475] name failslab, interval 1, probability 0, space 0, times 0 [ 254.070102][ T2465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 254.070107][ T2465] Call Trace: [ 254.070124][ T2465] dump_stack_lvl+0x1e2/0x24b [ 254.070144][ T2465] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.106960][ T2465] ? vsnprintf+0x1fa/0x1cd0 [ 254.111496][ T2465] dump_stack+0x15/0x17 [ 254.115652][ T2465] should_fail+0x3c0/0x510 [ 254.120146][ T2465] should_fail_usercopy+0x1a/0x20 [ 254.125174][ T2465] _copy_from_user+0x20/0xd0 [ 254.129758][ T2465] kstrtouint_from_user+0xd7/0x2b0 [ 254.134972][ T2465] ? kstrtol_from_user+0x310/0x310 [ 254.140164][ T2465] ? snprintf+0xd6/0x120 [ 254.144569][ T2465] ? avc_policy_seqno+0x1b/0x70 [ 254.149850][ T2465] ? selinux_file_permission+0x2a9/0x520 [ 254.155470][ T2465] proc_fail_nth_write+0xa5/0x290 [ 254.160625][ T2465] ? security_file_permission+0x9d/0xc0 [ 254.166374][ T2465] ? proc_fail_nth_read+0x220/0x220 [ 254.171566][ T2465] ? security_file_permission+0xa8/0xc0 [ 254.177194][ T2465] ? rw_verify_area+0x1c2/0x360 [ 254.182167][ T2465] ? proc_fail_nth_read+0x220/0x220 [ 254.187454][ T2465] vfs_write+0x39b/0xf80 [ 254.194068][ T2465] ? kernel_write+0x420/0x420 [ 254.198911][ T2465] ? __kasan_check_write+0x14/0x20 [ 254.204013][ T2465] ? mutex_lock+0xb2/0x1e0 [ 254.208421][ T2465] ? mutex_trylock+0x180/0x180 [ 254.213271][ T2465] ? __fdget_pos+0x26d/0x310 [ 254.218041][ T2465] ? ksys_write+0x77/0x2c0 [ 254.223519][ T2465] ksys_write+0x198/0x2c0 [ 254.227938][ T2465] ? __kasan_check_write+0x14/0x20 [ 254.233413][ T2465] ? __ia32_sys_read+0x90/0x90 [ 254.238263][ T2465] ? debug_smp_processor_id+0x17/0x20 [ 254.243712][ T2465] __x64_sys_write+0x7b/0x90 [ 254.248286][ T2465] do_syscall_64+0x34/0x70 [ 254.252773][ T2465] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 254.258685][ T2465] RIP: 0033:0x7f7d1c31ab5f [ 254.263107][ T2465] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 254.282926][ T2465] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 254.291343][ T2465] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 254.299667][ T2465] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 254.307885][ T2465] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 254.315848][ T2465] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 254.324070][ T2465] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 254.332038][ T2475] CPU: 1 PID: 2475 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 254.342563][ T2475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 254.352949][ T2475] Call Trace: [ 254.356330][ T2475] dump_stack_lvl+0x1e2/0x24b [ 254.361124][ T2475] ? panic+0x7d7/0x7d7 [ 254.365387][ T2475] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.371204][ T2475] ? find_next_bit+0xd6/0x120 [ 254.376047][ T2475] ? cpumask_next+0x11/0x30 [ 254.380545][ T2475] dump_stack+0x15/0x17 [ 254.384703][ T2475] should_fail+0x3c0/0x510 [ 254.389737][ T2475] ? percpu_ref_init+0xd0/0x340 [ 254.394595][ T2475] __should_failslab+0x9f/0xe0 [ 254.399357][ T2475] should_failslab+0x9/0x20 [ 254.404033][ T2475] kmem_cache_alloc_trace+0x3a/0x330 [ 254.409313][ T2475] percpu_ref_init+0xd0/0x340 [ 254.414511][ T2475] ? cgroup_setup_root+0xea0/0xea0 [ 254.419642][ T2475] cgroup_apply_control_enable+0x3a2/0x12f0 [ 254.426339][ T2475] ? cgroup_reconfigure+0xe0/0xe0 [ 254.431657][ T2475] cgroup_apply_control+0x8e/0x7e0 [ 254.436773][ T2475] ? css_next_child+0x160/0x160 [ 254.441755][ T2475] ? io_schedule+0x120/0x120 [ 254.446768][ T2475] ? kernfs_fop_write_iter+0x15e/0x410 [ 254.452516][ T2475] ? __kasan_check_write+0x14/0x20 [ 254.457938][ T2475] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 254.463574][ T2475] cgroup_subtree_control_write+0xd19/0x1310 [ 254.471163][ T2475] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 254.477264][ T2475] ? __kasan_check_write+0x14/0x20 [ 254.482733][ T2475] ? _copy_from_iter+0x3fb/0xd60 [ 254.487861][ T2475] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 254.494139][ T2475] cgroup_file_write+0x28e/0x590 [ 254.499063][ T2475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 254.504240][ T2475] ? mutex_trylock+0x180/0x180 [ 254.509081][ T2475] ? __kasan_check_write+0x14/0x20 [ 254.514402][ T2475] kernfs_fop_write_iter+0x2d0/0x410 [ 254.519774][ T2475] ? cgroup_seqfile_stop+0xc0/0xc0 [ 254.525078][ T2475] vfs_write+0xc4a/0xf80 [ 254.529503][ T2475] ? kernel_write+0x420/0x420 [ 254.534432][ T2475] ? mutex_lock+0xb2/0x1e0 [ 254.538974][ T2475] ? mutex_trylock+0x180/0x180 [ 254.544028][ T2475] ? __fdget_pos+0x26d/0x310 [ 254.548864][ T2475] ? ksys_write+0x77/0x2c0 [ 254.553271][ T2475] ksys_write+0x198/0x2c0 [ 254.557802][ T2475] ? __ia32_sys_read+0x90/0x90 [ 254.562558][ T2475] ? debug_smp_processor_id+0x17/0x20 [ 254.567919][ T2475] __x64_sys_write+0x7b/0x90 [ 254.572503][ T2475] do_syscall_64+0x34/0x70 [ 254.576906][ T2475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 254.582918][ T2475] RIP: 0033:0x7f85191c4049 [ 254.587323][ T2475] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 254.607829][ T2475] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 254.616681][ T2475] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 254.625248][ T2475] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 254.633552][ T2475] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 254.641915][ T2475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 254.650064][ T2475] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 254.659802][ T2479] FAULT_INJECTION: forcing a failure. [ 254.659802][ T2479] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 254.662118][ T2481] FAULT_INJECTION: forcing a failure. [ 254.662118][ T2481] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 254.676124][ T2479] CPU: 1 PID: 2479 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 254.687030][ T2485] FAULT_INJECTION: forcing a failure. [ 254.687030][ T2485] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 254.697478][ T2479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 254.697483][ T2479] Call Trace: [ 254.697503][ T2479] dump_stack_lvl+0x1e2/0x24b [ 254.697513][ T2479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.697522][ T2479] ? vsnprintf+0x1fa/0x1cd0 [ 254.697531][ T2479] dump_stack+0x15/0x17 [ 254.697540][ T2479] should_fail+0x3c0/0x510 [ 254.697549][ T2479] should_fail_usercopy+0x1a/0x20 [ 254.697558][ T2479] _copy_from_user+0x20/0xd0 [ 254.697569][ T2479] kstrtouint_from_user+0xd7/0x2b0 [ 254.697579][ T2479] ? kstrtol_from_user+0x310/0x310 [ 254.697587][ T2479] ? snprintf+0xd6/0x120 [ 254.697599][ T2479] ? avc_policy_seqno+0x1b/0x70 [ 254.697617][ T2479] ? selinux_file_permission+0x2a9/0x520 [ 254.783863][ T2479] proc_fail_nth_write+0xa5/0x290 [ 254.789023][ T2479] ? security_file_permission+0x9d/0xc0 [ 254.794636][ T2479] ? proc_fail_nth_read+0x220/0x220 [ 254.799905][ T2479] ? security_file_permission+0xa8/0xc0 [ 254.805614][ T2479] ? rw_verify_area+0x1c2/0x360 [ 254.810439][ T2479] ? proc_fail_nth_read+0x220/0x220 [ 254.816147][ T2479] vfs_write+0x39b/0xf80 [ 254.820369][ T2479] ? kernel_write+0x420/0x420 [ 254.825145][ T2479] ? __kasan_check_write+0x14/0x20 [ 254.830258][ T2479] ? mutex_lock+0xb2/0x1e0 [ 254.834764][ T2479] ? mutex_trylock+0x180/0x180 [ 254.839549][ T2479] ? __fdget_pos+0x26d/0x310 [ 254.844357][ T2479] ? ksys_write+0x77/0x2c0 [ 254.848855][ T2479] ksys_write+0x198/0x2c0 [ 254.853279][ T2479] ? __kasan_check_write+0x14/0x20 [ 254.858388][ T2479] ? __ia32_sys_read+0x90/0x90 [ 254.863159][ T2479] ? debug_smp_processor_id+0x17/0x20 [ 254.868620][ T2479] __x64_sys_write+0x7b/0x90 [ 254.873384][ T2479] do_syscall_64+0x34/0x70 [ 254.877873][ T2479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 254.883756][ T2479] RIP: 0033:0x7f869ba6eb5f [ 254.888414][ T2479] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 254.908715][ T2479] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 254.917294][ T2479] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 254.925450][ T2479] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 254.933406][ T2479] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 254.941380][ T2479] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 254.949549][ T2479] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 254.957831][ T2481] CPU: 1 PID: 2481 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 254.960114][ T2489] FAULT_INJECTION: forcing a failure. [ 254.960114][ T2489] name failslab, interval 1, probability 0, space 0, times 0 [ 254.968440][ T2481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 254.968445][ T2481] Call Trace: [ 254.968464][ T2481] dump_stack_lvl+0x1e2/0x24b [ 254.968475][ T2481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.968484][ T2481] ? debug_smp_processor_id+0x17/0x20 [ 254.968493][ T2481] dump_stack+0x15/0x17 [ 254.968501][ T2481] should_fail+0x3c0/0x510 [ 254.968510][ T2481] should_fail_usercopy+0x1a/0x20 [ 254.968519][ T2481] _copy_from_user+0x20/0xd0 [ 254.968529][ T2481] kstrtouint_from_user+0xd7/0x2b0 [ 254.968538][ T2481] ? __check_object_size+0x48/0x3e0 [ 254.968555][ T2481] ? kstrtol_from_user+0x310/0x310 [ 255.046390][ T2481] ? check_stack_object+0x80/0x130 [ 255.051500][ T2481] ? avc_policy_seqno+0x1b/0x70 [ 255.056329][ T2481] ? selinux_file_permission+0x2a9/0x520 [ 255.061944][ T2481] proc_fail_nth_write+0xa5/0x290 [ 255.067044][ T2481] ? security_file_permission+0x9d/0xc0 [ 255.072832][ T2481] ? proc_fail_nth_read+0x220/0x220 [ 255.078103][ T2481] ? security_file_permission+0xa8/0xc0 [ 255.083820][ T2481] ? rw_verify_area+0x1c2/0x360 [ 255.088666][ T2481] ? proc_fail_nth_read+0x220/0x220 [ 255.093856][ T2481] vfs_write+0x39b/0xf80 [ 255.098080][ T2481] ? kernel_write+0x420/0x420 [ 255.102802][ T2481] ? __kasan_check_write+0x14/0x20 [ 255.107993][ T2481] ? mutex_lock+0xb2/0x1e0 [ 255.112480][ T2481] ? mutex_trylock+0x180/0x180 [ 255.117433][ T2481] ? __fdget_pos+0x26d/0x310 [ 255.122090][ T2481] ? ksys_write+0x77/0x2c0 [ 255.126606][ T2481] ksys_write+0x198/0x2c0 [ 255.131093][ T2481] ? __kasan_check_write+0x14/0x20 [ 255.136188][ T2481] ? __ia32_sys_read+0x90/0x90 [ 255.141111][ T2481] ? debug_smp_processor_id+0x17/0x20 [ 255.146668][ T2481] __x64_sys_write+0x7b/0x90 [ 255.151239][ T2481] do_syscall_64+0x34/0x70 [ 255.155661][ T2481] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 255.161560][ T2481] RIP: 0033:0x7f022ab05b5f [ 255.166246][ T2481] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 255.186099][ T2481] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 255.194596][ T2481] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 255.202559][ T2481] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 255.210523][ T2481] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 255.218478][ T2481] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 255.226631][ T2481] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 255.236955][ T2489] CPU: 0 PID: 2489 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 255.247389][ T2489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 255.257618][ T2489] Call Trace: [ 255.260895][ T2489] dump_stack_lvl+0x1e2/0x24b [ 255.265570][ T2489] ? panic+0x7d7/0x7d7 [ 255.269756][ T2489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 255.275188][ T2489] ? find_next_bit+0xd6/0x120 [ 255.280012][ T2489] ? cpumask_next+0x11/0x30 [ 255.285011][ T2489] dump_stack+0x15/0x17 [ 255.289226][ T2489] should_fail+0x3c0/0x510 [ 255.293637][ T2489] ? percpu_ref_init+0xd0/0x340 [ 255.298641][ T2489] __should_failslab+0x9f/0xe0 [ 255.303388][ T2489] should_failslab+0x9/0x20 [ 255.308049][ T2489] kmem_cache_alloc_trace+0x3a/0x330 [ 255.313384][ T2489] percpu_ref_init+0xd0/0x340 [ 255.318047][ T2489] ? cgroup_setup_root+0xea0/0xea0 [ 255.323450][ T2489] cgroup_apply_control_enable+0x3a2/0x12f0 [ 255.329603][ T2489] ? cgroup_reconfigure+0xe0/0xe0 [ 255.334785][ T2489] cgroup_apply_control+0x8e/0x7e0 [ 255.340051][ T2489] ? css_next_child+0x160/0x160 [ 255.344877][ T2489] ? io_schedule+0x120/0x120 [ 255.349548][ T2489] ? kernfs_fop_write_iter+0x15e/0x410 [ 255.355069][ T2489] ? __kasan_check_write+0x14/0x20 [ 255.360158][ T2489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 255.365510][ T2489] cgroup_subtree_control_write+0xd19/0x1310 [ 255.371465][ T2489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.377798][ T2489] ? __kasan_check_write+0x14/0x20 [ 255.383072][ T2489] ? _copy_from_iter+0x3fb/0xd60 [ 255.388075][ T2489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.394030][ T2489] cgroup_file_write+0x28e/0x590 [ 255.399541][ T2489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 255.404782][ T2489] ? mutex_trylock+0x180/0x180 [ 255.409620][ T2489] ? __kasan_check_write+0x14/0x20 [ 255.414707][ T2489] kernfs_fop_write_iter+0x2d0/0x410 [ 255.419978][ T2489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 255.425072][ T2489] vfs_write+0xc4a/0xf80 [ 255.429380][ T2489] ? kernel_write+0x420/0x420 [ 255.434132][ T2489] ? mutex_lock+0xb2/0x1e0 [ 255.438625][ T2489] ? mutex_trylock+0x180/0x180 [ 255.443801][ T2489] ? __fdget_pos+0x26d/0x310 [ 255.448470][ T2489] ? ksys_write+0x77/0x2c0 [ 255.453059][ T2489] ksys_write+0x198/0x2c0 [ 255.457598][ T2489] ? __ia32_sys_read+0x90/0x90 [ 255.462620][ T2489] ? debug_smp_processor_id+0x17/0x20 [ 255.468064][ T2489] __x64_sys_write+0x7b/0x90 [ 255.472629][ T2489] do_syscall_64+0x34/0x70 [ 255.477630][ T2489] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 255.483758][ T2489] RIP: 0033:0x7f85191c4049 [ 255.488499][ T2489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 255.508332][ T2489] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 255.516815][ T2489] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 255.524939][ T2489] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 255.532976][ T2489] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 255.541021][ T2489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 255.549220][ T2489] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 255.557519][ T2485] CPU: 1 PID: 2485 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 255.566226][ T2483] FAULT_INJECTION: forcing a failure. [ 255.566226][ T2483] name failslab, interval 1, probability 0, space 0, times 0 [ 255.568097][ T2485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 255.568102][ T2485] Call Trace: [ 255.568119][ T2485] dump_stack_lvl+0x1e2/0x24b [ 255.568137][ T2485] ? bfq_pos_tree_add_move+0x43e/0x43e [ 255.605763][ T2485] ? vsnprintf+0x1fa/0x1cd0 [ 255.610350][ T2485] dump_stack+0x15/0x17 [ 255.614488][ T2485] should_fail+0x3c0/0x510 [ 255.618982][ T2485] should_fail_usercopy+0x1a/0x20 [ 255.624275][ T2485] _copy_from_user+0x20/0xd0 [ 255.628888][ T2485] kstrtouint_from_user+0xd7/0x2b0 [ 255.633978][ T2485] ? kstrtol_from_user+0x310/0x310 [ 255.639066][ T2485] ? snprintf+0xd6/0x120 [ 255.643285][ T2485] ? avc_policy_seqno+0x1b/0x70 [ 255.648109][ T2485] ? selinux_file_permission+0x2a9/0x520 [ 255.653808][ T2485] proc_fail_nth_write+0xa5/0x290 [ 255.658914][ T2485] ? security_file_permission+0x9d/0xc0 [ 255.664698][ T2485] ? proc_fail_nth_read+0x220/0x220 [ 255.670002][ T2485] ? security_file_permission+0xa8/0xc0 [ 255.675647][ T2485] ? rw_verify_area+0x1c2/0x360 [ 255.680595][ T2485] ? proc_fail_nth_read+0x220/0x220 [ 255.685941][ T2485] vfs_write+0x39b/0xf80 [ 255.690165][ T2485] ? kernel_write+0x420/0x420 [ 255.694818][ T2485] ? __kasan_check_write+0x14/0x20 [ 255.700136][ T2485] ? mutex_lock+0xb2/0x1e0 [ 255.704740][ T2485] ? mutex_trylock+0x180/0x180 [ 255.709826][ T2485] ? __fdget_pos+0x26d/0x310 [ 255.714658][ T2485] ? ksys_write+0x77/0x2c0 [ 255.720395][ T2485] ksys_write+0x198/0x2c0 [ 255.725366][ T2485] ? __kasan_check_write+0x14/0x20 [ 255.730640][ T2485] ? __ia32_sys_read+0x90/0x90 [ 255.735585][ T2485] ? debug_smp_processor_id+0x17/0x20 [ 255.741032][ T2485] __x64_sys_write+0x7b/0x90 [ 255.745624][ T2485] do_syscall_64+0x34/0x70 [ 255.750036][ T2485] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 255.755903][ T2485] RIP: 0033:0x7faa22393b5f [ 255.760392][ T2485] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 255.780810][ T2485] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 255.789304][ T2485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 255.797397][ T2485] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 255.805618][ T2485] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 255.813918][ T2485] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 255.822111][ T2485] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 255.843947][ T2483] CPU: 1 PID: 2483 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 255.854313][ T2483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 255.864457][ T2483] Call Trace: [ 255.868231][ T2483] dump_stack_lvl+0x1e2/0x24b [ 255.873963][ T2483] ? panic+0x7d7/0x7d7 [ 255.878042][ T2483] ? bfq_pos_tree_add_move+0x43e/0x43e [ 255.884772][ T2483] ? find_next_bit+0xd6/0x120 [ 255.889904][ T2483] ? cpumask_next+0x11/0x30 [ 255.895039][ T2483] dump_stack+0x15/0x17 [ 255.899435][ T2483] should_fail+0x3c0/0x510 [ 255.904011][ T2483] ? percpu_ref_init+0xd0/0x340 [ 255.908870][ T2483] __should_failslab+0x9f/0xe0 [ 255.914026][ T2483] should_failslab+0x9/0x20 [ 255.918614][ T2483] kmem_cache_alloc_trace+0x3a/0x330 [ 255.924195][ T2483] percpu_ref_init+0xd0/0x340 [ 255.928879][ T2483] ? cgroup_setup_root+0xea0/0xea0 [ 255.934632][ T2483] cgroup_apply_control_enable+0x3a2/0x12f0 [ 255.940555][ T2483] ? cgroup_reconfigure+0xe0/0xe0 [ 255.945588][ T2483] cgroup_apply_control+0x8e/0x7e0 [ 255.950777][ T2483] ? css_next_child+0x160/0x160 [ 255.955836][ T2483] ? io_schedule+0x120/0x120 [ 255.960631][ T2483] ? kernfs_fop_write_iter+0x15e/0x410 [ 255.966102][ T2483] ? __kasan_check_write+0x14/0x20 [ 255.971314][ T2483] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 255.976702][ T2483] cgroup_subtree_control_write+0xd19/0x1310 [ 255.982878][ T2483] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.989122][ T2483] ? __kasan_check_write+0x14/0x20 [ 255.994632][ T2483] ? _copy_from_iter+0x3fb/0xd60 [ 255.999589][ T2483] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 256.005812][ T2483] cgroup_file_write+0x28e/0x590 [ 256.011025][ T2483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.016389][ T2483] ? mutex_trylock+0x180/0x180 [ 256.021484][ T2483] ? __kasan_check_write+0x14/0x20 [ 256.026752][ T2483] kernfs_fop_write_iter+0x2d0/0x410 [ 256.032205][ T2483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.037746][ T2483] vfs_write+0xc4a/0xf80 [ 256.042540][ T2483] ? kernel_write+0x420/0x420 [ 256.047204][ T2483] ? mutex_lock+0xb2/0x1e0 [ 256.051606][ T2483] ? mutex_trylock+0x180/0x180 [ 256.057067][ T2483] ? __fdget_pos+0x26d/0x310 [ 256.061867][ T2483] ? ksys_write+0x77/0x2c0 [ 256.066474][ T2483] ksys_write+0x198/0x2c0 [ 256.071002][ T2483] ? __ia32_sys_read+0x90/0x90 [ 256.075764][ T2483] ? debug_smp_processor_id+0x17/0x20 [ 256.081450][ T2483] __x64_sys_write+0x7b/0x90 [ 256.086136][ T2483] do_syscall_64+0x34/0x70 [ 256.090549][ T2483] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 256.097170][ T2483] RIP: 0033:0x7f6ebe11e049 [ 256.101935][ T2483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 256.122639][ T2483] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 256.131768][ T2483] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 256.140157][ T2483] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 256.148118][ T2483] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.156315][ T2483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 256.164720][ T2483] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 256.176374][ T2498] FAULT_INJECTION: forcing a failure. [ 256.176374][ T2498] name failslab, interval 1, probability 0, space 0, times 0 [ 256.190058][ T2498] CPU: 1 PID: 2498 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 256.200850][ T2498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 256.211238][ T2498] Call Trace: [ 256.214522][ T2498] dump_stack_lvl+0x1e2/0x24b [ 256.219287][ T2498] ? panic+0x7d7/0x7d7 [ 256.223788][ T2498] ? bfq_pos_tree_add_move+0x43e/0x43e [ 256.229652][ T2498] ? find_next_bit+0xd6/0x120 [ 256.234577][ T2498] ? cpumask_next+0x11/0x30 [ 256.239094][ T2498] dump_stack+0x15/0x17 [ 256.243225][ T2498] should_fail+0x3c0/0x510 [ 256.247641][ T2498] ? percpu_ref_init+0xd0/0x340 [ 256.252648][ T2498] __should_failslab+0x9f/0xe0 [ 256.258062][ T2498] should_failslab+0x9/0x20 [ 256.262800][ T2498] kmem_cache_alloc_trace+0x3a/0x330 [ 256.268373][ T2498] percpu_ref_init+0xd0/0x340 [ 256.273089][ T2498] ? cgroup_setup_root+0xea0/0xea0 [ 256.278867][ T2498] cgroup_apply_control_enable+0x3a2/0x12f0 [ 256.284757][ T2498] ? cgroup_reconfigure+0xe0/0xe0 [ 256.289795][ T2498] cgroup_apply_control+0x8e/0x7e0 [ 256.295016][ T2498] ? css_next_child+0x160/0x160 [ 256.300128][ T2498] ? io_schedule+0x120/0x120 [ 256.305060][ T2498] ? kernfs_fop_write_iter+0x15e/0x410 [ 256.310679][ T2498] ? __kasan_check_write+0x14/0x20 [ 256.316238][ T2498] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 256.322157][ T2498] cgroup_subtree_control_write+0xd19/0x1310 [ 256.329312][ T2498] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 256.336918][ T2498] ? __kasan_check_write+0x14/0x20 [ 256.343800][ T2498] ? _copy_from_iter+0x3fb/0xd60 [ 256.352587][ T2498] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 256.360322][ T2498] cgroup_file_write+0x28e/0x590 [ 256.365356][ T2498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.370481][ T2498] ? mutex_trylock+0x180/0x180 [ 256.375760][ T2498] ? __kasan_check_write+0x14/0x20 [ 256.381165][ T2498] kernfs_fop_write_iter+0x2d0/0x410 [ 256.386474][ T2498] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.392163][ T2498] vfs_write+0xc4a/0xf80 [ 256.396398][ T2498] ? kernel_write+0x420/0x420 [ 256.401057][ T2498] ? mutex_lock+0xb2/0x1e0 [ 256.405555][ T2498] ? mutex_trylock+0x180/0x180 [ 256.410306][ T2498] ? __fdget_pos+0x26d/0x310 [ 256.414958][ T2498] ? ksys_write+0x77/0x2c0 [ 256.419443][ T2498] ksys_write+0x198/0x2c0 [ 256.423773][ T2498] ? __ia32_sys_read+0x90/0x90 [ 256.429034][ T2498] ? debug_smp_processor_id+0x17/0x20 [ 256.434532][ T2498] __x64_sys_write+0x7b/0x90 [ 256.439116][ T2498] do_syscall_64+0x34/0x70 [ 256.443511][ T2498] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 256.449399][ T2498] RIP: 0033:0x7f85191c4049 [ 256.453800][ T2498] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 256.473651][ T2498] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 256.482070][ T2498] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 256.490117][ T2498] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 256.498159][ T2498] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.506889][ T2498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 256.515113][ T2498] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 256.523958][ T2493] FAULT_INJECTION: forcing a failure. [ 256.523958][ T2493] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 256.525584][ T2497] FAULT_INJECTION: forcing a failure. [ 256.525584][ T2497] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 256.537414][ T2499] FAULT_INJECTION: forcing a failure. [ 256.537414][ T2499] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 256.551032][ T2493] CPU: 1 PID: 2493 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 256.575906][ T2493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 256.586126][ T2493] Call Trace: [ 256.589401][ T2493] dump_stack_lvl+0x1e2/0x24b [ 256.594061][ T2493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 256.599586][ T2493] ? vsnprintf+0x1fa/0x1cd0 [ 256.604270][ T2493] dump_stack+0x15/0x17 [ 256.608405][ T2493] should_fail+0x3c0/0x510 [ 256.612800][ T2493] should_fail_usercopy+0x1a/0x20 [ 256.617815][ T2493] _copy_from_user+0x20/0xd0 [ 256.622385][ T2493] kstrtouint_from_user+0xd7/0x2b0 [ 256.627650][ T2493] ? kstrtol_from_user+0x310/0x310 [ 256.632911][ T2493] ? snprintf+0xd6/0x120 [ 256.637138][ T2493] ? avc_policy_seqno+0x1b/0x70 [ 256.641967][ T2493] ? selinux_file_permission+0x2a9/0x520 [ 256.648215][ T2493] proc_fail_nth_write+0xa5/0x290 [ 256.653418][ T2493] ? security_file_permission+0x9d/0xc0 [ 256.659232][ T2493] ? proc_fail_nth_read+0x220/0x220 [ 256.664413][ T2493] ? security_file_permission+0xa8/0xc0 [ 256.670026][ T2493] ? rw_verify_area+0x1c2/0x360 [ 256.675401][ T2493] ? proc_fail_nth_read+0x220/0x220 [ 256.680576][ T2493] vfs_write+0x39b/0xf80 [ 256.684806][ T2493] ? kernel_write+0x420/0x420 [ 256.689547][ T2493] ? __kasan_check_write+0x14/0x20 [ 256.694634][ T2493] ? mutex_lock+0xb2/0x1e0 [ 256.699268][ T2493] ? mutex_trylock+0x180/0x180 [ 256.704129][ T2493] ? __fdget_pos+0x26d/0x310 [ 256.708896][ T2493] ? ksys_write+0x77/0x2c0 [ 256.713603][ T2493] ksys_write+0x198/0x2c0 [ 256.717943][ T2493] ? __kasan_check_write+0x14/0x20 [ 256.723141][ T2493] ? __ia32_sys_read+0x90/0x90 [ 256.728062][ T2493] ? debug_smp_processor_id+0x17/0x20 [ 256.733509][ T2493] __x64_sys_write+0x7b/0x90 [ 256.738537][ T2493] do_syscall_64+0x34/0x70 [ 256.744168][ T2493] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 256.750039][ T2493] RIP: 0033:0x7f022ab05b5f [ 256.754453][ T2493] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 256.774240][ T2493] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 256.782808][ T2493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 256.794798][ T2493] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 256.802836][ T2493] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.810800][ T2493] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 256.818768][ T2493] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 256.826849][ T2499] CPU: 0 PID: 2499 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 256.827073][ T2501] FAULT_INJECTION: forcing a failure. [ 256.827073][ T2501] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 256.837264][ T2499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 256.837268][ T2499] Call Trace: [ 256.837286][ T2499] dump_stack_lvl+0x1e2/0x24b [ 256.837297][ T2499] ? bfq_pos_tree_add_move+0x43e/0x43e [ 256.837307][ T2499] ? vsnprintf+0x1fa/0x1cd0 [ 256.837318][ T2499] dump_stack+0x15/0x17 [ 256.837328][ T2499] should_fail+0x3c0/0x510 [ 256.837338][ T2499] should_fail_usercopy+0x1a/0x20 [ 256.837349][ T2499] _copy_from_user+0x20/0xd0 [ 256.837357][ T2499] kstrtouint_from_user+0xd7/0x2b0 [ 256.837373][ T2499] ? kstrtol_from_user+0x310/0x310 [ 256.908150][ T2499] ? snprintf+0xd6/0x120 [ 256.912385][ T2499] ? avc_policy_seqno+0x1b/0x70 [ 256.917356][ T2499] ? selinux_file_permission+0x2a9/0x520 [ 256.923062][ T2499] proc_fail_nth_write+0xa5/0x290 [ 256.928266][ T2499] ? security_file_permission+0x9d/0xc0 [ 256.933989][ T2499] ? proc_fail_nth_read+0x220/0x220 [ 256.939264][ T2499] ? security_file_permission+0xa8/0xc0 [ 256.945065][ T2499] ? rw_verify_area+0x1c2/0x360 [ 256.950096][ T2499] ? proc_fail_nth_read+0x220/0x220 [ 256.955570][ T2499] vfs_write+0x39b/0xf80 [ 256.960235][ T2499] ? kernel_write+0x420/0x420 [ 256.965072][ T2499] ? __kasan_check_write+0x14/0x20 [ 256.971212][ T2499] ? mutex_lock+0xb2/0x1e0 [ 256.975624][ T2499] ? mutex_trylock+0x180/0x180 [ 256.980630][ T2499] ? __fdget_pos+0x26d/0x310 [ 256.985470][ T2499] ? ksys_write+0x77/0x2c0 [ 256.989870][ T2499] ksys_write+0x198/0x2c0 [ 256.995431][ T2499] ? __kasan_check_write+0x14/0x20 [ 257.002035][ T2499] ? __ia32_sys_read+0x90/0x90 [ 257.007499][ T2499] ? debug_smp_processor_id+0x17/0x20 [ 257.013043][ T2499] __x64_sys_write+0x7b/0x90 [ 257.017645][ T2499] do_syscall_64+0x34/0x70 [ 257.022078][ T2499] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 257.028338][ T2499] RIP: 0033:0x7f7d1c31ab5f [ 257.032858][ T2499] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 257.055067][ T2499] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 257.063835][ T2499] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 257.072405][ T2499] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 257.080379][ T2499] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 257.088354][ T2499] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 257.096534][ T2499] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 257.104775][ T2501] CPU: 1 PID: 2501 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 257.104942][ T2503] FAULT_INJECTION: forcing a failure. [ 257.104942][ T2503] name failslab, interval 1, probability 0, space 0, times 0 [ 257.115508][ T2501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 257.115512][ T2501] Call Trace: [ 257.115534][ T2501] dump_stack_lvl+0x1e2/0x24b [ 257.115544][ T2501] ? bfq_pos_tree_add_move+0x43e/0x43e [ 257.115554][ T2501] ? vsnprintf+0x1fa/0x1cd0 [ 257.115563][ T2501] dump_stack+0x15/0x17 [ 257.115572][ T2501] should_fail+0x3c0/0x510 [ 257.115582][ T2501] should_fail_usercopy+0x1a/0x20 [ 257.115592][ T2501] _copy_from_user+0x20/0xd0 [ 257.115611][ T2501] kstrtouint_from_user+0xd7/0x2b0 [ 257.181100][ T2501] ? kstrtol_from_user+0x310/0x310 [ 257.186191][ T2501] ? snprintf+0xd6/0x120 [ 257.190413][ T2501] ? avc_policy_seqno+0x1b/0x70 [ 257.195588][ T2501] ? selinux_file_permission+0x2a9/0x520 [ 257.201309][ T2501] proc_fail_nth_write+0xa5/0x290 [ 257.206396][ T2501] ? security_file_permission+0x9d/0xc0 [ 257.211917][ T2501] ? proc_fail_nth_read+0x220/0x220 [ 257.217262][ T2501] ? security_file_permission+0xa8/0xc0 [ 257.222802][ T2501] ? rw_verify_area+0x1c2/0x360 [ 257.227633][ T2501] ? proc_fail_nth_read+0x220/0x220 [ 257.232853][ T2501] vfs_write+0x39b/0xf80 [ 257.237104][ T2501] ? kernel_write+0x420/0x420 [ 257.241952][ T2501] ? __kasan_check_write+0x14/0x20 [ 257.247129][ T2501] ? mutex_lock+0xb2/0x1e0 [ 257.251620][ T2501] ? mutex_trylock+0x180/0x180 [ 257.256361][ T2501] ? __fdget_pos+0x26d/0x310 [ 257.260939][ T2501] ? ksys_write+0x77/0x2c0 [ 257.265514][ T2501] ksys_write+0x198/0x2c0 [ 257.269834][ T2501] ? __kasan_check_write+0x14/0x20 [ 257.274934][ T2501] ? __ia32_sys_read+0x90/0x90 [ 257.279781][ T2501] ? debug_smp_processor_id+0x17/0x20 [ 257.285212][ T2501] __x64_sys_write+0x7b/0x90 [ 257.289877][ T2501] do_syscall_64+0x34/0x70 [ 257.294271][ T2501] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 257.300334][ T2501] RIP: 0033:0x7f869ba6eb5f [ 257.304815][ T2501] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 257.324428][ T2501] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 257.333200][ T2501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 257.341150][ T2501] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 257.349125][ T2501] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 257.357170][ T2501] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 257.365128][ T2501] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 257.373196][ T2503] CPU: 0 PID: 2503 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 257.384087][ T2503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 257.394144][ T2503] Call Trace: [ 257.397422][ T2503] dump_stack_lvl+0x1e2/0x24b [ 257.402182][ T2503] ? panic+0x7d7/0x7d7 [ 257.406231][ T2503] ? bfq_pos_tree_add_move+0x43e/0x43e [ 257.411670][ T2503] ? find_next_bit+0xd6/0x120 [ 257.416328][ T2503] ? cpumask_next+0x11/0x30 [ 257.420813][ T2503] dump_stack+0x15/0x17 [ 257.425035][ T2503] should_fail+0x3c0/0x510 [ 257.429538][ T2503] ? percpu_ref_init+0xd0/0x340 [ 257.434565][ T2503] __should_failslab+0x9f/0xe0 [ 257.439319][ T2503] should_failslab+0x9/0x20 [ 257.443817][ T2503] kmem_cache_alloc_trace+0x3a/0x330 [ 257.449632][ T2503] percpu_ref_init+0xd0/0x340 [ 257.454375][ T2503] ? cgroup_setup_root+0xea0/0xea0 [ 257.459471][ T2503] cgroup_apply_control_enable+0x3a2/0x12f0 [ 257.465344][ T2503] ? cgroup_reconfigure+0xe0/0xe0 [ 257.470455][ T2503] cgroup_apply_control+0x8e/0x7e0 [ 257.475576][ T2503] ? css_next_child+0x160/0x160 [ 257.480495][ T2503] ? io_schedule+0x120/0x120 [ 257.485166][ T2503] ? kernfs_fop_write_iter+0x15e/0x410 [ 257.490615][ T2503] ? __kasan_check_write+0x14/0x20 [ 257.495813][ T2503] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 257.501353][ T2503] cgroup_subtree_control_write+0xd19/0x1310 [ 257.507632][ T2503] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 257.513709][ T2503] ? __kasan_check_write+0x14/0x20 [ 257.519096][ T2503] ? _copy_from_iter+0x3fb/0xd60 [ 257.524242][ T2503] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 257.530217][ T2503] cgroup_file_write+0x28e/0x590 [ 257.535507][ T2503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 257.540776][ T2503] ? mutex_trylock+0x180/0x180 [ 257.545542][ T2503] ? __kasan_check_write+0x14/0x20 [ 257.551042][ T2503] kernfs_fop_write_iter+0x2d0/0x410 [ 257.556506][ T2503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 257.561606][ T2503] vfs_write+0xc4a/0xf80 [ 257.566011][ T2503] ? kernel_write+0x420/0x420 [ 257.570934][ T2503] ? mutex_lock+0xb2/0x1e0 [ 257.575481][ T2503] ? mutex_trylock+0x180/0x180 [ 257.580441][ T2503] ? __fdget_pos+0x26d/0x310 [ 257.585025][ T2503] ? ksys_write+0x77/0x2c0 [ 257.589614][ T2503] ksys_write+0x198/0x2c0 [ 257.594019][ T2503] ? __ia32_sys_read+0x90/0x90 [ 257.598779][ T2503] ? debug_smp_processor_id+0x17/0x20 [ 257.604221][ T2503] __x64_sys_write+0x7b/0x90 [ 257.608788][ T2503] do_syscall_64+0x34/0x70 [ 257.613360][ T2503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 257.619316][ T2503] RIP: 0033:0x7f6ebe11e049 [ 257.623972][ T2503] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 257.643740][ T2503] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 257.652140][ T2503] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 2022/08/30 16:59:58 executed programs: 948 [ 257.660089][ T2503] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 257.668306][ T2503] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 257.676569][ T2503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 257.684547][ T2503] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 257.700572][ T2507] FAULT_INJECTION: forcing a failure. [ 257.700572][ T2507] name failslab, interval 1, probability 0, space 0, times 0 [ 257.702587][ T2497] CPU: 1 PID: 2497 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 257.723981][ T2497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 257.734673][ T2497] Call Trace: [ 257.738141][ T2497] dump_stack_lvl+0x1e2/0x24b [ 257.742936][ T2497] ? bfq_pos_tree_add_move+0x43e/0x43e [ 257.748377][ T2497] ? vsnprintf+0x1fa/0x1cd0 [ 257.752870][ T2497] dump_stack+0x15/0x17 [ 257.757002][ T2497] should_fail+0x3c0/0x510 [ 257.761399][ T2497] should_fail_usercopy+0x1a/0x20 [ 257.766489][ T2497] _copy_from_user+0x20/0xd0 [ 257.771158][ T2497] kstrtouint_from_user+0xd7/0x2b0 [ 257.776338][ T2497] ? kstrtol_from_user+0x310/0x310 [ 257.781518][ T2497] ? snprintf+0xd6/0x120 [ 257.785769][ T2497] ? avc_policy_seqno+0x1b/0x70 [ 257.790688][ T2497] ? selinux_file_permission+0x2a9/0x520 [ 257.796600][ T2497] proc_fail_nth_write+0xa5/0x290 [ 257.801783][ T2497] ? security_file_permission+0x9d/0xc0 [ 257.807504][ T2497] ? proc_fail_nth_read+0x220/0x220 [ 257.812940][ T2497] ? security_file_permission+0xa8/0xc0 [ 257.819008][ T2497] ? rw_verify_area+0x1c2/0x360 [ 257.823940][ T2497] ? proc_fail_nth_read+0x220/0x220 [ 257.829127][ T2497] vfs_write+0x39b/0xf80 [ 257.833351][ T2497] ? kernel_write+0x420/0x420 [ 257.838114][ T2497] ? __kasan_check_write+0x14/0x20 [ 257.843296][ T2497] ? mutex_lock+0xb2/0x1e0 [ 257.847793][ T2497] ? mutex_trylock+0x180/0x180 [ 257.852642][ T2497] ? __fdget_pos+0x26d/0x310 [ 257.857299][ T2497] ? ksys_write+0x77/0x2c0 [ 257.861790][ T2497] ksys_write+0x198/0x2c0 [ 257.866103][ T2497] ? __kasan_check_write+0x14/0x20 [ 257.871197][ T2497] ? __ia32_sys_read+0x90/0x90 [ 257.875945][ T2497] ? debug_smp_processor_id+0x17/0x20 [ 257.881397][ T2497] __x64_sys_write+0x7b/0x90 [ 257.886061][ T2497] do_syscall_64+0x34/0x70 [ 257.890549][ T2497] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 257.896958][ T2497] RIP: 0033:0x7faa22393b5f [ 257.901476][ T2497] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 257.921890][ T2497] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 257.930474][ T2497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 257.941997][ T2497] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 257.949960][ T2497] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 257.957928][ T2497] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 257.966169][ T2497] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 257.974334][ T2507] CPU: 0 PID: 2507 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 257.984648][ T2507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 257.994684][ T2507] Call Trace: [ 257.998068][ T2507] dump_stack_lvl+0x1e2/0x24b [ 258.002825][ T2507] ? panic+0x7d7/0x7d7 [ 258.006967][ T2507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.012429][ T2507] ? find_next_bit+0xd6/0x120 [ 258.017157][ T2507] ? cpumask_next+0x11/0x30 [ 258.021832][ T2507] dump_stack+0x15/0x17 [ 258.025971][ T2507] should_fail+0x3c0/0x510 [ 258.030395][ T2507] ? percpu_ref_init+0xd0/0x340 [ 258.035506][ T2507] __should_failslab+0x9f/0xe0 [ 258.040418][ T2507] should_failslab+0x9/0x20 [ 258.044983][ T2507] kmem_cache_alloc_trace+0x3a/0x330 [ 258.050314][ T2507] percpu_ref_init+0xd0/0x340 [ 258.055100][ T2507] ? cgroup_setup_root+0xea0/0xea0 [ 258.060735][ T2507] cgroup_apply_control_enable+0x3a2/0x12f0 [ 258.067484][ T2507] ? cgroup_reconfigure+0xe0/0xe0 [ 258.072490][ T2507] cgroup_apply_control+0x8e/0x7e0 [ 258.077960][ T2507] ? css_next_child+0x160/0x160 [ 258.083064][ T2507] ? io_schedule+0x120/0x120 [ 258.088249][ T2507] ? kernfs_fop_write_iter+0x15e/0x410 [ 258.093804][ T2507] ? __kasan_check_write+0x14/0x20 [ 258.099175][ T2507] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 258.104438][ T2507] cgroup_subtree_control_write+0xd19/0x1310 [ 258.110569][ T2507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.116698][ T2507] ? __kasan_check_write+0x14/0x20 [ 258.121966][ T2507] ? _copy_from_iter+0x3fb/0xd60 [ 258.126887][ T2507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.132840][ T2507] cgroup_file_write+0x28e/0x590 [ 258.137933][ T2507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 258.143033][ T2507] ? mutex_trylock+0x180/0x180 [ 258.147957][ T2507] ? __kasan_check_write+0x14/0x20 [ 258.153211][ T2507] kernfs_fop_write_iter+0x2d0/0x410 [ 258.158732][ T2507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 258.163819][ T2507] vfs_write+0xc4a/0xf80 [ 258.168040][ T2507] ? kernel_write+0x420/0x420 [ 258.172703][ T2507] ? mutex_lock+0xb2/0x1e0 [ 258.177181][ T2507] ? mutex_trylock+0x180/0x180 [ 258.181920][ T2507] ? __fdget_pos+0x26d/0x310 [ 258.186483][ T2507] ? ksys_write+0x77/0x2c0 [ 258.190940][ T2507] ksys_write+0x198/0x2c0 [ 258.195244][ T2507] ? __ia32_sys_read+0x90/0x90 [ 258.200617][ T2507] ? debug_smp_processor_id+0x17/0x20 [ 258.206058][ T2507] __x64_sys_write+0x7b/0x90 [ 258.210622][ T2507] do_syscall_64+0x34/0x70 [ 258.215021][ T2507] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 258.221073][ T2507] RIP: 0033:0x7f85191c4049 [ 258.225861][ T2507] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 258.246066][ T2507] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 258.254717][ T2507] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 258.262840][ T2507] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 258.270962][ T2507] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 258.279547][ T2507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 258.287509][ T2507] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 258.297944][ T2506] FAULT_INJECTION: forcing a failure. [ 258.297944][ T2506] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 258.311122][ T2509] FAULT_INJECTION: forcing a failure. [ 258.311122][ T2509] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 258.335707][ T2512] FAULT_INJECTION: forcing a failure. [ 258.335707][ T2512] name failslab, interval 1, probability 0, space 0, times 0 [ 258.364677][ T2506] CPU: 0 PID: 2506 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 258.375442][ T2506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 258.385788][ T2506] Call Trace: [ 258.389165][ T2506] dump_stack_lvl+0x1e2/0x24b [ 258.394292][ T2506] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.400869][ T2506] ? vsnprintf+0x1fa/0x1cd0 [ 258.405618][ T2506] dump_stack+0x15/0x17 [ 258.410046][ T2506] should_fail+0x3c0/0x510 [ 258.414699][ T2506] should_fail_usercopy+0x1a/0x20 [ 258.420180][ T2506] _copy_from_user+0x20/0xd0 [ 258.424748][ T2506] kstrtouint_from_user+0xd7/0x2b0 [ 258.429931][ T2506] ? kstrtol_from_user+0x310/0x310 [ 258.435166][ T2506] ? snprintf+0xd6/0x120 [ 258.439478][ T2506] ? avc_policy_seqno+0x1b/0x70 [ 258.444426][ T2506] ? selinux_file_permission+0x2a9/0x520 [ 258.450048][ T2506] proc_fail_nth_write+0xa5/0x290 [ 258.455655][ T2506] ? security_file_permission+0x9d/0xc0 [ 258.461396][ T2506] ? proc_fail_nth_read+0x220/0x220 [ 258.466662][ T2506] ? security_file_permission+0xa8/0xc0 [ 258.472199][ T2506] ? rw_verify_area+0x1c2/0x360 [ 258.477308][ T2506] ? proc_fail_nth_read+0x220/0x220 [ 258.482506][ T2506] vfs_write+0x39b/0xf80 [ 258.486911][ T2506] ? kernel_write+0x420/0x420 [ 258.491626][ T2506] ? __kasan_check_write+0x14/0x20 [ 258.496714][ T2506] ? mutex_lock+0xb2/0x1e0 [ 258.501121][ T2506] ? mutex_trylock+0x180/0x180 [ 258.505868][ T2506] ? __fdget_pos+0x26d/0x310 [ 258.510625][ T2506] ? ksys_write+0x77/0x2c0 [ 258.515107][ T2506] ksys_write+0x198/0x2c0 [ 258.519606][ T2506] ? __kasan_check_write+0x14/0x20 [ 258.524692][ T2506] ? __ia32_sys_read+0x90/0x90 [ 258.529525][ T2506] ? debug_smp_processor_id+0x17/0x20 [ 258.534961][ T2506] __x64_sys_write+0x7b/0x90 [ 258.539613][ T2506] do_syscall_64+0x34/0x70 [ 258.544007][ T2506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 258.550250][ T2506] RIP: 0033:0x7f022ab05b5f [ 258.554737][ T2506] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 258.574690][ T2506] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 258.583258][ T2506] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 258.591552][ T2506] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 258.599711][ T2506] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 258.607747][ T2506] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 258.615954][ T2506] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 258.624167][ T2509] CPU: 1 PID: 2509 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 258.634571][ T2509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 258.644730][ T2509] Call Trace: [ 258.648030][ T2509] dump_stack_lvl+0x1e2/0x24b [ 258.652801][ T2509] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.658447][ T2509] ? vsnprintf+0x1fa/0x1cd0 [ 258.662934][ T2509] dump_stack+0x15/0x17 [ 258.667073][ T2509] should_fail+0x3c0/0x510 [ 258.671556][ T2509] should_fail_usercopy+0x1a/0x20 [ 258.676747][ T2509] _copy_from_user+0x20/0xd0 [ 258.681413][ T2509] kstrtouint_from_user+0xd7/0x2b0 [ 258.686549][ T2509] ? kstrtol_from_user+0x310/0x310 [ 258.691639][ T2509] ? snprintf+0xd6/0x120 [ 258.696046][ T2509] ? avc_policy_seqno+0x1b/0x70 [ 258.701118][ T2509] ? selinux_file_permission+0x2a9/0x520 [ 258.707078][ T2509] proc_fail_nth_write+0xa5/0x290 [ 258.712107][ T2509] ? security_file_permission+0x9d/0xc0 [ 258.717838][ T2509] ? proc_fail_nth_read+0x220/0x220 [ 258.723150][ T2509] ? security_file_permission+0xa8/0xc0 [ 258.728778][ T2509] ? rw_verify_area+0x1c2/0x360 [ 258.733633][ T2509] ? proc_fail_nth_read+0x220/0x220 [ 258.738924][ T2509] vfs_write+0x39b/0xf80 [ 258.743153][ T2509] ? kernel_write+0x420/0x420 [ 258.747923][ T2509] ? __kasan_check_write+0x14/0x20 [ 258.756574][ T2509] ? mutex_lock+0xb2/0x1e0 [ 258.760994][ T2509] ? mutex_trylock+0x180/0x180 [ 258.765763][ T2509] ? __fdget_pos+0x26d/0x310 [ 258.770345][ T2509] ? ksys_write+0x77/0x2c0 [ 258.774742][ T2509] ksys_write+0x198/0x2c0 [ 258.779140][ T2509] ? __kasan_check_write+0x14/0x20 [ 258.784231][ T2509] ? __ia32_sys_read+0x90/0x90 [ 258.789000][ T2509] ? debug_smp_processor_id+0x17/0x20 [ 258.794349][ T2509] __x64_sys_write+0x7b/0x90 [ 258.799004][ T2509] do_syscall_64+0x34/0x70 [ 258.803420][ T2509] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 258.809292][ T2509] RIP: 0033:0x7f7d1c31ab5f [ 258.813869][ T2509] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 258.833997][ T2509] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 258.842492][ T2509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 258.850726][ T2509] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 258.859289][ T2509] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 258.867347][ T2509] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 258.875564][ T2509] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 258.885830][ T2512] CPU: 0 PID: 2512 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 258.896431][ T2512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 258.906780][ T2512] Call Trace: [ 258.910222][ T2512] dump_stack_lvl+0x1e2/0x24b [ 258.914959][ T2512] ? panic+0x7d7/0x7d7 [ 258.919005][ T2512] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.924814][ T2512] ? find_next_bit+0xd6/0x120 [ 258.929475][ T2512] ? cpumask_next+0x11/0x30 [ 258.934069][ T2512] dump_stack+0x15/0x17 [ 258.938299][ T2512] should_fail+0x3c0/0x510 [ 258.942806][ T2512] ? percpu_ref_init+0xd0/0x340 [ 258.947722][ T2512] __should_failslab+0x9f/0xe0 [ 258.952553][ T2512] should_failslab+0x9/0x20 [ 258.957060][ T2512] kmem_cache_alloc_trace+0x3a/0x330 [ 258.962518][ T2512] percpu_ref_init+0xd0/0x340 [ 258.967557][ T2512] ? cgroup_setup_root+0xea0/0xea0 [ 258.972834][ T2512] cgroup_apply_control_enable+0x3a2/0x12f0 [ 258.978788][ T2512] ? cgroup_reconfigure+0xe0/0xe0 [ 258.983981][ T2512] cgroup_apply_control+0x8e/0x7e0 [ 258.989098][ T2512] ? css_next_child+0x160/0x160 [ 258.993934][ T2512] ? io_schedule+0x120/0x120 [ 258.998604][ T2512] ? kernfs_fop_write_iter+0x15e/0x410 [ 259.004041][ T2512] ? __kasan_check_write+0x14/0x20 [ 259.009145][ T2512] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 259.014495][ T2512] cgroup_subtree_control_write+0xd19/0x1310 [ 259.020714][ T2512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.026670][ T2512] ? __kasan_check_write+0x14/0x20 [ 259.031849][ T2512] ? _copy_from_iter+0x3fb/0xd60 [ 259.036764][ T2512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.042817][ T2512] cgroup_file_write+0x28e/0x590 [ 259.047921][ T2512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.053531][ T2512] ? mutex_trylock+0x180/0x180 [ 259.058400][ T2512] ? __kasan_check_write+0x14/0x20 [ 259.063506][ T2512] kernfs_fop_write_iter+0x2d0/0x410 [ 259.069140][ T2512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.074226][ T2512] vfs_write+0xc4a/0xf80 [ 259.078629][ T2512] ? kernel_write+0x420/0x420 [ 259.083283][ T2512] ? mutex_lock+0xb2/0x1e0 [ 259.088122][ T2512] ? mutex_trylock+0x180/0x180 [ 259.092967][ T2512] ? __fdget_pos+0x26d/0x310 [ 259.097617][ T2512] ? ksys_write+0x77/0x2c0 [ 259.102051][ T2512] ksys_write+0x198/0x2c0 [ 259.106456][ T2512] ? __ia32_sys_read+0x90/0x90 [ 259.111379][ T2512] ? debug_smp_processor_id+0x17/0x20 [ 259.117409][ T2512] __x64_sys_write+0x7b/0x90 [ 259.122106][ T2512] do_syscall_64+0x34/0x70 [ 259.126682][ T2512] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 259.132640][ T2512] RIP: 0033:0x7f6ebe11e049 [ 259.137221][ T2512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 259.157606][ T2512] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 259.166250][ T2512] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 259.174509][ T2512] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 259.182915][ T2512] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 259.191452][ T2512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 259.200854][ T2512] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 259.238415][ T2515] FAULT_INJECTION: forcing a failure. [ 259.238415][ T2515] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 259.238467][ T2517] FAULT_INJECTION: forcing a failure. [ 259.238467][ T2517] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 259.252432][ T2518] FAULT_INJECTION: forcing a failure. [ 259.252432][ T2518] name failslab, interval 1, probability 0, space 0, times 0 [ 259.279798][ T2515] CPU: 0 PID: 2515 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 259.290572][ T2515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 259.300918][ T2515] Call Trace: [ 259.304398][ T2515] dump_stack_lvl+0x1e2/0x24b [ 259.311068][ T2515] ? bfq_pos_tree_add_move+0x43e/0x43e [ 259.316776][ T2515] ? vsnprintf+0x1fa/0x1cd0 [ 259.321930][ T2515] dump_stack+0x15/0x17 [ 259.326585][ T2515] should_fail+0x3c0/0x510 [ 259.331259][ T2515] should_fail_usercopy+0x1a/0x20 [ 259.337247][ T2515] _copy_from_user+0x20/0xd0 [ 259.343338][ T2515] kstrtouint_from_user+0xd7/0x2b0 [ 259.350300][ T2515] ? kstrtol_from_user+0x310/0x310 [ 259.356342][ T2515] ? snprintf+0xd6/0x120 [ 259.362927][ T2515] ? avc_policy_seqno+0x1b/0x70 [ 259.369609][ T2515] ? selinux_file_permission+0x2a9/0x520 [ 259.375996][ T2515] proc_fail_nth_write+0xa5/0x290 [ 259.381633][ T2515] ? security_file_permission+0x9d/0xc0 [ 259.388168][ T2515] ? proc_fail_nth_read+0x220/0x220 [ 259.396093][ T2515] ? security_file_permission+0xa8/0xc0 [ 259.402623][ T2515] ? rw_verify_area+0x1c2/0x360 [ 259.407568][ T2515] ? proc_fail_nth_read+0x220/0x220 [ 259.414892][ T2515] vfs_write+0x39b/0xf80 [ 259.419416][ T2515] ? kernel_write+0x420/0x420 [ 259.424372][ T2515] ? __kasan_check_write+0x14/0x20 [ 259.429642][ T2515] ? mutex_lock+0xb2/0x1e0 [ 259.434947][ T2515] ? mutex_trylock+0x180/0x180 [ 259.439827][ T2515] ? __fdget_pos+0x26d/0x310 [ 259.444539][ T2515] ? ksys_write+0x77/0x2c0 [ 259.449314][ T2515] ksys_write+0x198/0x2c0 [ 259.454299][ T2515] ? __kasan_check_write+0x14/0x20 [ 259.459667][ T2515] ? __ia32_sys_read+0x90/0x90 [ 259.465149][ T2515] ? debug_smp_processor_id+0x17/0x20 [ 259.470628][ T2515] __x64_sys_write+0x7b/0x90 [ 259.475206][ T2515] do_syscall_64+0x34/0x70 [ 259.479795][ T2515] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 259.485753][ T2515] RIP: 0033:0x7faa22393b5f [ 259.490430][ T2515] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 259.510711][ T2515] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 259.519882][ T2515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 259.528347][ T2515] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 259.536481][ T2515] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 259.545576][ T2515] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 259.553721][ T2515] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 259.562033][ T2517] CPU: 0 PID: 2517 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 259.572641][ T2517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 259.582783][ T2517] Call Trace: [ 259.586069][ T2517] dump_stack_lvl+0x1e2/0x24b [ 259.590944][ T2517] ? bfq_pos_tree_add_move+0x43e/0x43e [ 259.596570][ T2517] ? vsnprintf+0x1fa/0x1cd0 [ 259.601249][ T2517] dump_stack+0x15/0x17 [ 259.605410][ T2517] should_fail+0x3c0/0x510 [ 259.609821][ T2517] should_fail_usercopy+0x1a/0x20 [ 259.614848][ T2517] _copy_from_user+0x20/0xd0 [ 259.619771][ T2517] kstrtouint_from_user+0xd7/0x2b0 [ 259.625161][ T2517] ? kstrtol_from_user+0x310/0x310 [ 259.630509][ T2517] ? snprintf+0xd6/0x120 [ 259.634752][ T2517] ? avc_policy_seqno+0x1b/0x70 [ 259.639781][ T2517] ? selinux_file_permission+0x2a9/0x520 [ 259.645417][ T2517] proc_fail_nth_write+0xa5/0x290 [ 259.651085][ T2517] ? security_file_permission+0x9d/0xc0 [ 259.656616][ T2517] ? proc_fail_nth_read+0x220/0x220 [ 259.661809][ T2517] ? security_file_permission+0xa8/0xc0 [ 259.667705][ T2517] ? rw_verify_area+0x1c2/0x360 [ 259.672628][ T2517] ? proc_fail_nth_read+0x220/0x220 [ 259.677810][ T2517] vfs_write+0x39b/0xf80 [ 259.682188][ T2517] ? kernel_write+0x420/0x420 [ 259.686885][ T2517] ? __kasan_check_write+0x14/0x20 [ 259.692970][ T2517] ? mutex_lock+0xb2/0x1e0 [ 259.697745][ T2517] ? mutex_trylock+0x180/0x180 [ 259.702503][ T2517] ? __fdget_pos+0x26d/0x310 [ 259.707273][ T2517] ? ksys_write+0x77/0x2c0 [ 259.711938][ T2517] ksys_write+0x198/0x2c0 [ 259.716413][ T2517] ? __kasan_check_write+0x14/0x20 [ 259.723182][ T2517] ? __ia32_sys_read+0x90/0x90 [ 259.727961][ T2517] ? debug_smp_processor_id+0x17/0x20 [ 259.733852][ T2517] __x64_sys_write+0x7b/0x90 [ 259.738539][ T2517] do_syscall_64+0x34/0x70 [ 259.743347][ T2517] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 259.749423][ T2517] RIP: 0033:0x7f7d1c31ab5f [ 259.753826][ T2517] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 259.773607][ T2517] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 259.782193][ T2517] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 259.790344][ T2517] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 259.798400][ T2517] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 259.806757][ T2517] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 259.814751][ T2517] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 259.825444][ T2518] CPU: 1 PID: 2518 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 259.836923][ T2518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 259.847045][ T2518] Call Trace: [ 259.850324][ T2518] dump_stack_lvl+0x1e2/0x24b [ 259.855099][ T2518] ? panic+0x7d7/0x7d7 [ 259.859241][ T2518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 259.864991][ T2518] ? find_next_bit+0xd6/0x120 [ 259.869753][ T2518] ? cpumask_next+0x11/0x30 [ 259.874443][ T2518] dump_stack+0x15/0x17 [ 259.879198][ T2518] should_fail+0x3c0/0x510 [ 259.884595][ T2518] ? percpu_ref_init+0xd0/0x340 [ 259.890439][ T2518] __should_failslab+0x9f/0xe0 [ 259.895368][ T2518] should_failslab+0x9/0x20 [ 259.900222][ T2518] kmem_cache_alloc_trace+0x3a/0x330 [ 259.906007][ T2518] percpu_ref_init+0xd0/0x340 [ 259.911405][ T2518] ? cgroup_setup_root+0xea0/0xea0 [ 259.918488][ T2518] cgroup_apply_control_enable+0x3a2/0x12f0 [ 259.926098][ T2518] ? cgroup_reconfigure+0xe0/0xe0 [ 259.931756][ T2518] cgroup_apply_control+0x8e/0x7e0 [ 259.937699][ T2518] ? css_next_child+0x160/0x160 [ 259.944974][ T2518] ? io_schedule+0x120/0x120 [ 259.952104][ T2518] ? kernfs_fop_write_iter+0x15e/0x410 [ 259.957965][ T2518] ? __kasan_check_write+0x14/0x20 [ 259.964093][ T2518] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 259.969735][ T2518] cgroup_subtree_control_write+0xd19/0x1310 [ 259.975790][ T2518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.981921][ T2518] ? __kasan_check_write+0x14/0x20 [ 259.987099][ T2518] ? _copy_from_iter+0x3fb/0xd60 [ 259.992212][ T2518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.998911][ T2518] cgroup_file_write+0x28e/0x590 [ 260.004045][ T2518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.010040][ T2518] ? mutex_trylock+0x180/0x180 [ 260.014890][ T2518] ? __kasan_check_write+0x14/0x20 [ 260.020195][ T2518] kernfs_fop_write_iter+0x2d0/0x410 [ 260.025838][ T2518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.030957][ T2518] vfs_write+0xc4a/0xf80 [ 260.035399][ T2518] ? kernel_write+0x420/0x420 [ 260.040781][ T2518] ? mutex_lock+0xb2/0x1e0 [ 260.046350][ T2518] ? mutex_trylock+0x180/0x180 [ 260.051921][ T2518] ? __fdget_pos+0x26d/0x310 [ 260.056543][ T2518] ? ksys_write+0x77/0x2c0 [ 260.061586][ T2518] ksys_write+0x198/0x2c0 [ 260.066448][ T2518] ? __ia32_sys_read+0x90/0x90 [ 260.071838][ T2518] ? debug_smp_processor_id+0x17/0x20 [ 260.078515][ T2518] __x64_sys_write+0x7b/0x90 [ 260.084088][ T2518] do_syscall_64+0x34/0x70 [ 260.089418][ T2518] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 260.097010][ T2518] RIP: 0033:0x7f85191c4049 [ 260.103712][ T2518] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 260.128012][ T2518] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 260.139692][ T2518] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 260.151239][ T2518] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 260.160575][ T2518] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 260.169404][ T2518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 260.178531][ T2518] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 260.193138][ T2522] FAULT_INJECTION: forcing a failure. [ 260.193138][ T2522] name failslab, interval 1, probability 0, space 0, times 0 [ 260.208427][ T2522] CPU: 0 PID: 2522 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 260.220139][ T2522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 260.231854][ T2522] Call Trace: [ 260.235510][ T2522] dump_stack_lvl+0x1e2/0x24b [ 260.240695][ T2522] ? panic+0x7d7/0x7d7 [ 260.245282][ T2522] ? bfq_pos_tree_add_move+0x43e/0x43e [ 260.251201][ T2522] ? find_next_bit+0xd6/0x120 [ 260.256219][ T2522] ? cpumask_next+0x11/0x30 [ 260.261511][ T2522] dump_stack+0x15/0x17 [ 260.266108][ T2522] should_fail+0x3c0/0x510 [ 260.271447][ T2522] ? percpu_ref_init+0xd0/0x340 [ 260.277441][ T2522] __should_failslab+0x9f/0xe0 [ 260.282477][ T2522] should_failslab+0x9/0x20 [ 260.287191][ T2522] kmem_cache_alloc_trace+0x3a/0x330 [ 260.292956][ T2522] percpu_ref_init+0xd0/0x340 [ 260.298134][ T2522] ? cgroup_setup_root+0xea0/0xea0 [ 260.303602][ T2522] cgroup_apply_control_enable+0x3a2/0x12f0 [ 260.310014][ T2522] ? cgroup_reconfigure+0xe0/0xe0 [ 260.315736][ T2522] cgroup_apply_control+0x8e/0x7e0 [ 260.322271][ T2522] ? css_next_child+0x160/0x160 [ 260.327543][ T2522] ? io_schedule+0x120/0x120 [ 260.332540][ T2522] ? kernfs_fop_write_iter+0x15e/0x410 [ 260.338349][ T2522] ? __kasan_check_write+0x14/0x20 [ 260.343748][ T2522] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 260.349024][ T2522] cgroup_subtree_control_write+0xd19/0x1310 [ 260.355349][ T2522] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 260.361765][ T2522] ? __kasan_check_write+0x14/0x20 [ 260.367100][ T2522] ? _copy_from_iter+0x3fb/0xd60 [ 260.372393][ T2522] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 260.379165][ T2522] cgroup_file_write+0x28e/0x590 [ 260.384878][ T2522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.390549][ T2522] ? mutex_trylock+0x180/0x180 [ 260.395664][ T2522] ? __kasan_check_write+0x14/0x20 [ 260.401137][ T2522] kernfs_fop_write_iter+0x2d0/0x410 [ 260.406861][ T2522] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.412965][ T2522] vfs_write+0xc4a/0xf80 [ 260.417675][ T2522] ? kernel_write+0x420/0x420 [ 260.422570][ T2522] ? mutex_lock+0xb2/0x1e0 [ 260.427177][ T2522] ? mutex_trylock+0x180/0x180 [ 260.432699][ T2522] ? __fdget_pos+0x26d/0x310 [ 260.437579][ T2522] ? ksys_write+0x77/0x2c0 [ 260.443030][ T2522] ksys_write+0x198/0x2c0 [ 260.447668][ T2522] ? __ia32_sys_read+0x90/0x90 [ 260.452598][ T2522] ? debug_smp_processor_id+0x17/0x20 [ 260.458321][ T2522] __x64_sys_write+0x7b/0x90 [ 260.464920][ T2522] do_syscall_64+0x34/0x70 [ 260.470373][ T2522] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 260.477135][ T2522] RIP: 0033:0x7f6ebe11e049 [ 260.483037][ T2522] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 260.504856][ T2522] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 260.514131][ T2522] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 260.523054][ T2522] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 260.531212][ T2522] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 260.540204][ T2522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 260.549016][ T2522] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 260.558165][ T2525] FAULT_INJECTION: forcing a failure. [ 260.558165][ T2525] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 260.561382][ T2527] FAULT_INJECTION: forcing a failure. [ 260.561382][ T2527] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 260.571921][ T2529] FAULT_INJECTION: forcing a failure. [ 260.571921][ T2529] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 260.586243][ T2531] FAULT_INJECTION: forcing a failure. [ 260.586243][ T2531] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 260.600052][ T2525] CPU: 0 PID: 2525 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 260.613417][ T2533] FAULT_INJECTION: forcing a failure. [ 260.613417][ T2533] name failslab, interval 1, probability 0, space 0, times 0 [ 260.623920][ T2525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 260.623925][ T2525] Call Trace: [ 260.623947][ T2525] dump_stack_lvl+0x1e2/0x24b [ 260.623957][ T2525] ? bfq_pos_tree_add_move+0x43e/0x43e [ 260.623966][ T2525] ? vsnprintf+0x1fa/0x1cd0 [ 260.623975][ T2525] dump_stack+0x15/0x17 [ 260.623984][ T2525] should_fail+0x3c0/0x510 [ 260.624002][ T2525] should_fail_usercopy+0x1a/0x20 [ 260.681638][ T2525] _copy_from_user+0x20/0xd0 [ 260.686415][ T2525] kstrtouint_from_user+0xd7/0x2b0 [ 260.691771][ T2525] ? kstrtol_from_user+0x310/0x310 [ 260.696878][ T2525] ? snprintf+0xd6/0x120 [ 260.702133][ T2525] ? avc_policy_seqno+0x1b/0x70 [ 260.707681][ T2525] ? selinux_file_permission+0x2a9/0x520 [ 260.714118][ T2525] proc_fail_nth_write+0xa5/0x290 [ 260.719216][ T2525] ? security_file_permission+0x9d/0xc0 [ 260.725007][ T2525] ? proc_fail_nth_read+0x220/0x220 [ 260.730180][ T2525] ? security_file_permission+0xa8/0xc0 [ 260.736348][ T2525] ? rw_verify_area+0x1c2/0x360 [ 260.741286][ T2525] ? proc_fail_nth_read+0x220/0x220 [ 260.746545][ T2525] vfs_write+0x39b/0xf80 [ 260.750937][ T2525] ? kernel_write+0x420/0x420 [ 260.761996][ T2525] ? __kasan_check_write+0x14/0x20 [ 260.768401][ T2525] ? mutex_lock+0xb2/0x1e0 [ 260.773626][ T2525] ? mutex_trylock+0x180/0x180 [ 260.778808][ T2525] ? __fdget_pos+0x26d/0x310 [ 260.784396][ T2525] ? ksys_write+0x77/0x2c0 [ 260.789087][ T2525] ksys_write+0x198/0x2c0 [ 260.793514][ T2525] ? __kasan_check_write+0x14/0x20 [ 260.799793][ T2525] ? __ia32_sys_read+0x90/0x90 [ 260.805434][ T2525] ? debug_smp_processor_id+0x17/0x20 [ 260.811928][ T2525] __x64_sys_write+0x7b/0x90 [ 260.816990][ T2525] do_syscall_64+0x34/0x70 [ 260.821657][ T2525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 260.827571][ T2525] RIP: 0033:0x7faa22393b5f [ 260.832116][ T2525] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 260.853750][ T2525] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 260.862700][ T2525] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 260.872715][ T2525] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 260.886103][ T2525] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 260.899352][ T2525] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 260.910212][ T2525] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 260.920496][ T2533] CPU: 1 PID: 2533 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 260.932171][ T2533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 260.944413][ T2533] Call Trace: [ 260.948611][ T2533] dump_stack_lvl+0x1e2/0x24b [ 260.953563][ T2533] ? panic+0x7d7/0x7d7 [ 260.958081][ T2533] ? bfq_pos_tree_add_move+0x43e/0x43e [ 260.964956][ T2533] ? find_next_bit+0xd6/0x120 [ 260.969996][ T2533] ? cpumask_next+0x11/0x30 [ 260.975225][ T2533] dump_stack+0x15/0x17 [ 260.979840][ T2533] should_fail+0x3c0/0x510 [ 260.984669][ T2533] ? percpu_ref_init+0xd0/0x340 [ 260.990397][ T2533] __should_failslab+0x9f/0xe0 [ 260.995931][ T2533] should_failslab+0x9/0x20 [ 261.000996][ T2533] kmem_cache_alloc_trace+0x3a/0x330 [ 261.006273][ T2533] percpu_ref_init+0xd0/0x340 [ 261.011028][ T2533] ? cgroup_setup_root+0xea0/0xea0 [ 261.016795][ T2533] cgroup_apply_control_enable+0x3a2/0x12f0 [ 261.022875][ T2533] ? cgroup_reconfigure+0xe0/0xe0 [ 261.027900][ T2533] cgroup_apply_control+0x8e/0x7e0 [ 261.033590][ T2533] ? css_next_child+0x160/0x160 [ 261.039924][ T2533] ? io_schedule+0x120/0x120 [ 261.044584][ T2533] ? kernfs_fop_write_iter+0x15e/0x410 [ 261.051349][ T2533] ? __kasan_check_write+0x14/0x20 [ 261.056617][ T2533] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 261.062277][ T2533] cgroup_subtree_control_write+0xd19/0x1310 [ 261.068777][ T2533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.075377][ T2533] ? __kasan_check_write+0x14/0x20 [ 261.080738][ T2533] ? _copy_from_iter+0x3fb/0xd60 [ 261.086091][ T2533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.092787][ T2533] cgroup_file_write+0x28e/0x590 [ 261.098591][ T2533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 261.103971][ T2533] ? mutex_trylock+0x180/0x180 [ 261.109093][ T2533] ? __kasan_check_write+0x14/0x20 [ 261.114808][ T2533] kernfs_fop_write_iter+0x2d0/0x410 [ 261.120259][ T2533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 261.125714][ T2533] vfs_write+0xc4a/0xf80 [ 261.129944][ T2533] ? kernel_write+0x420/0x420 [ 261.134811][ T2533] ? mutex_lock+0xb2/0x1e0 [ 261.139415][ T2533] ? mutex_trylock+0x180/0x180 [ 261.144374][ T2533] ? __fdget_pos+0x26d/0x310 [ 261.149042][ T2533] ? ksys_write+0x77/0x2c0 [ 261.153821][ T2533] ksys_write+0x198/0x2c0 [ 261.158489][ T2533] ? __ia32_sys_read+0x90/0x90 [ 261.163519][ T2533] ? debug_smp_processor_id+0x17/0x20 [ 261.168873][ T2533] __x64_sys_write+0x7b/0x90 [ 261.173667][ T2533] do_syscall_64+0x34/0x70 [ 261.178578][ T2533] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 261.184644][ T2533] RIP: 0033:0x7f85191c4049 [ 261.189289][ T2533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 261.210842][ T2533] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 261.220703][ T2533] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 261.229287][ T2533] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 261.237818][ T2533] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 261.246532][ T2533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 261.254716][ T2533] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 261.263600][ T2531] CPU: 0 PID: 2531 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 261.274026][ T2531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 261.284442][ T2531] Call Trace: [ 261.287719][ T2531] dump_stack_lvl+0x1e2/0x24b [ 261.292376][ T2531] ? bfq_pos_tree_add_move+0x43e/0x43e [ 261.298677][ T2531] ? vsnprintf+0x1fa/0x1cd0 [ 261.303244][ T2531] dump_stack+0x15/0x17 [ 261.307569][ T2531] should_fail+0x3c0/0x510 [ 261.312013][ T2531] should_fail_usercopy+0x1a/0x20 [ 261.317820][ T2531] _copy_from_user+0x20/0xd0 [ 261.322847][ T2531] kstrtouint_from_user+0xd7/0x2b0 [ 261.328223][ T2531] ? kstrtol_from_user+0x310/0x310 [ 261.333563][ T2531] ? snprintf+0xd6/0x120 [ 261.338282][ T2531] ? avc_policy_seqno+0x1b/0x70 [ 261.343918][ T2531] ? selinux_file_permission+0x2a9/0x520 [ 261.350019][ T2531] proc_fail_nth_write+0xa5/0x290 [ 261.355474][ T2531] ? security_file_permission+0x9d/0xc0 [ 261.361315][ T2531] ? proc_fail_nth_read+0x220/0x220 [ 261.366925][ T2531] ? security_file_permission+0xa8/0xc0 [ 261.372464][ T2531] ? rw_verify_area+0x1c2/0x360 [ 261.377582][ T2531] ? proc_fail_nth_read+0x220/0x220 [ 261.382921][ T2531] vfs_write+0x39b/0xf80 [ 261.387590][ T2531] ? kernel_write+0x420/0x420 [ 261.392349][ T2531] ? __kasan_check_write+0x14/0x20 [ 261.397440][ T2531] ? mutex_lock+0xb2/0x1e0 [ 261.401903][ T2531] ? mutex_trylock+0x180/0x180 [ 261.406664][ T2531] ? __fdget_pos+0x26d/0x310 [ 261.411412][ T2531] ? ksys_write+0x77/0x2c0 [ 261.416237][ T2531] ksys_write+0x198/0x2c0 [ 261.420825][ T2531] ? __kasan_check_write+0x14/0x20 [ 261.426103][ T2531] ? __ia32_sys_read+0x90/0x90 [ 261.431116][ T2531] ? debug_smp_processor_id+0x17/0x20 [ 261.436569][ T2531] __x64_sys_write+0x7b/0x90 [ 261.441146][ T2531] do_syscall_64+0x34/0x70 [ 261.445554][ T2531] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 261.451718][ T2531] RIP: 0033:0x7f022ab05b5f [ 261.456230][ T2531] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 261.476696][ T2531] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 261.485101][ T2531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 261.493248][ T2531] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 261.501300][ T2531] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 261.509451][ T2531] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 261.517890][ T2531] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 261.528153][ T2535] FAULT_INJECTION: forcing a failure. [ 261.528153][ T2535] name failslab, interval 1, probability 0, space 0, times 0 [ 261.544308][ T2527] CPU: 0 PID: 2527 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 261.554890][ T2527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 261.565292][ T2527] Call Trace: [ 261.568676][ T2527] dump_stack_lvl+0x1e2/0x24b [ 261.573770][ T2527] ? bfq_pos_tree_add_move+0x43e/0x43e [ 261.579991][ T2527] ? vsnprintf+0x1fa/0x1cd0 [ 261.584478][ T2527] dump_stack+0x15/0x17 [ 261.588913][ T2527] should_fail+0x3c0/0x510 [ 261.593396][ T2527] should_fail_usercopy+0x1a/0x20 [ 261.598411][ T2527] _copy_from_user+0x20/0xd0 [ 261.602991][ T2527] kstrtouint_from_user+0xd7/0x2b0 [ 261.608225][ T2527] ? kstrtol_from_user+0x310/0x310 [ 261.613332][ T2527] ? snprintf+0xd6/0x120 [ 261.617651][ T2527] ? avc_policy_seqno+0x1b/0x70 [ 261.622760][ T2527] ? selinux_file_permission+0x2a9/0x520 [ 261.628557][ T2527] proc_fail_nth_write+0xa5/0x290 [ 261.633573][ T2527] ? security_file_permission+0x9d/0xc0 [ 261.639189][ T2527] ? proc_fail_nth_read+0x220/0x220 [ 261.644380][ T2527] ? security_file_permission+0xa8/0xc0 [ 261.649913][ T2527] ? rw_verify_area+0x1c2/0x360 [ 261.654870][ T2527] ? proc_fail_nth_read+0x220/0x220 [ 261.660222][ T2527] vfs_write+0x39b/0xf80 [ 261.664445][ T2527] ? kernel_write+0x420/0x420 [ 261.669114][ T2527] ? __kasan_check_write+0x14/0x20 [ 261.674404][ T2527] ? mutex_lock+0xb2/0x1e0 [ 261.679143][ T2527] ? mutex_trylock+0x180/0x180 [ 261.683996][ T2527] ? __fdget_pos+0x26d/0x310 [ 261.688848][ T2527] ? ksys_write+0x77/0x2c0 [ 261.693395][ T2527] ksys_write+0x198/0x2c0 [ 261.698064][ T2527] ? __kasan_check_write+0x14/0x20 [ 261.703535][ T2527] ? __ia32_sys_read+0x90/0x90 [ 261.708877][ T2527] ? debug_smp_processor_id+0x17/0x20 [ 261.714498][ T2527] __x64_sys_write+0x7b/0x90 [ 261.719755][ T2527] do_syscall_64+0x34/0x70 [ 261.724960][ T2527] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 261.731321][ T2527] RIP: 0033:0x7f7d1c31ab5f [ 261.735756][ T2527] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 261.758422][ T2527] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 261.766932][ T2527] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 261.775191][ T2527] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 261.783161][ T2527] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 261.791309][ T2527] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 261.799461][ T2527] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 261.807562][ T2535] CPU: 1 PID: 2535 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 261.817971][ T2535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 261.828284][ T2535] Call Trace: [ 261.831589][ T2535] dump_stack_lvl+0x1e2/0x24b [ 261.836744][ T2535] ? panic+0x7d7/0x7d7 [ 261.840919][ T2535] ? bfq_pos_tree_add_move+0x43e/0x43e [ 261.846718][ T2535] ? find_next_bit+0xd6/0x120 [ 261.851500][ T2535] ? cpumask_next+0x11/0x30 [ 261.856167][ T2535] dump_stack+0x15/0x17 [ 261.860326][ T2535] should_fail+0x3c0/0x510 [ 261.864994][ T2535] ? percpu_ref_init+0xd0/0x340 [ 261.869922][ T2535] __should_failslab+0x9f/0xe0 [ 261.874914][ T2535] should_failslab+0x9/0x20 [ 261.879486][ T2535] kmem_cache_alloc_trace+0x3a/0x330 [ 261.884758][ T2535] percpu_ref_init+0xd0/0x340 [ 261.889601][ T2535] ? cgroup_setup_root+0xea0/0xea0 [ 261.894848][ T2535] cgroup_apply_control_enable+0x3a2/0x12f0 [ 261.900748][ T2535] ? cgroup_reconfigure+0xe0/0xe0 [ 261.905874][ T2535] cgroup_apply_control+0x8e/0x7e0 [ 261.911193][ T2535] ? css_next_child+0x160/0x160 [ 261.916178][ T2535] ? io_schedule+0x120/0x120 [ 261.920782][ T2535] ? kernfs_fop_write_iter+0x15e/0x410 [ 261.926340][ T2535] ? __kasan_check_write+0x14/0x20 [ 261.931677][ T2535] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 261.936987][ T2535] cgroup_subtree_control_write+0xd19/0x1310 [ 261.943048][ T2535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.949205][ T2535] ? __kasan_check_write+0x14/0x20 [ 261.954576][ T2535] ? _copy_from_iter+0x3fb/0xd60 [ 261.959951][ T2535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.966484][ T2535] cgroup_file_write+0x28e/0x590 [ 261.971968][ T2535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 261.979777][ T2535] ? mutex_trylock+0x180/0x180 [ 261.986035][ T2535] ? __kasan_check_write+0x14/0x20 [ 261.991739][ T2535] kernfs_fop_write_iter+0x2d0/0x410 [ 261.997100][ T2535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.002394][ T2535] vfs_write+0xc4a/0xf80 [ 262.006968][ T2535] ? kernel_write+0x420/0x420 [ 262.011844][ T2535] ? mutex_lock+0xb2/0x1e0 [ 262.016499][ T2535] ? mutex_trylock+0x180/0x180 [ 262.021512][ T2535] ? __fdget_pos+0x26d/0x310 [ 262.026270][ T2535] ? ksys_write+0x77/0x2c0 [ 262.030995][ T2535] ksys_write+0x198/0x2c0 [ 262.035497][ T2535] ? __ia32_sys_read+0x90/0x90 [ 262.040252][ T2535] ? debug_smp_processor_id+0x17/0x20 [ 262.045630][ T2535] __x64_sys_write+0x7b/0x90 [ 262.050216][ T2535] do_syscall_64+0x34/0x70 [ 262.054703][ T2535] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 262.060598][ T2535] RIP: 0033:0x7f6ebe11e049 [ 262.065106][ T2535] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 262.086092][ T2535] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 262.094615][ T2535] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 262.103197][ T2535] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 262.111514][ T2535] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 262.119734][ T2535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 262.128255][ T2535] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 262.136526][ T2529] CPU: 0 PID: 2529 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 262.147293][ T2529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 262.158118][ T2529] Call Trace: [ 262.161688][ T2529] dump_stack_lvl+0x1e2/0x24b [ 262.166614][ T2529] ? bfq_pos_tree_add_move+0x43e/0x43e [ 262.172510][ T2529] ? vsnprintf+0x1fa/0x1cd0 [ 262.177276][ T2529] dump_stack+0x15/0x17 [ 262.181771][ T2529] should_fail+0x3c0/0x510 [ 262.186249][ T2529] should_fail_usercopy+0x1a/0x20 [ 262.191489][ T2529] _copy_from_user+0x20/0xd0 [ 262.196411][ T2529] kstrtouint_from_user+0xd7/0x2b0 [ 262.201687][ T2529] ? kstrtol_from_user+0x310/0x310 [ 262.206865][ T2529] ? snprintf+0xd6/0x120 [ 262.211113][ T2529] ? avc_policy_seqno+0x1b/0x70 [ 262.215986][ T2529] ? selinux_file_permission+0x2a9/0x520 [ 262.221602][ T2529] proc_fail_nth_write+0xa5/0x290 [ 262.226637][ T2529] ? security_file_permission+0x9d/0xc0 [ 262.232646][ T2529] ? proc_fail_nth_read+0x220/0x220 [ 262.237845][ T2529] ? security_file_permission+0xa8/0xc0 [ 262.243713][ T2529] ? rw_verify_area+0x1c2/0x360 [ 262.248551][ T2529] ? proc_fail_nth_read+0x220/0x220 [ 262.253740][ T2529] vfs_write+0x39b/0xf80 [ 262.258130][ T2529] ? kernel_write+0x420/0x420 [ 262.263289][ T2529] ? __kasan_check_write+0x14/0x20 [ 262.268475][ T2529] ? mutex_lock+0xb2/0x1e0 [ 262.273390][ T2529] ? mutex_trylock+0x180/0x180 [ 262.278229][ T2529] ? __fdget_pos+0x26d/0x310 [ 262.282795][ T2529] ? ksys_write+0x77/0x2c0 [ 262.287188][ T2529] ksys_write+0x198/0x2c0 [ 262.291600][ T2529] ? __kasan_check_write+0x14/0x20 [ 262.296697][ T2529] ? __ia32_sys_read+0x90/0x90 [ 262.301447][ T2529] ? debug_smp_processor_id+0x17/0x20 [ 262.306986][ T2529] __x64_sys_write+0x7b/0x90 [ 262.311547][ T2529] do_syscall_64+0x34/0x70 [ 262.316030][ T2529] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 262.321996][ T2529] RIP: 0033:0x7f869ba6eb5f [ 262.326393][ T2529] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 262.346681][ T2529] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 262.355382][ T2529] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 262.363787][ T2529] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 262.372228][ T2529] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 262.380479][ T2529] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 262.388522][ T2529] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 262.399273][ T2538] FAULT_INJECTION: forcing a failure. [ 262.399273][ T2538] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 262.416123][ T2540] FAULT_INJECTION: forcing a failure. [ 262.416123][ T2540] name failslab, interval 1, probability 0, space 0, times 0 [ 262.420418][ T2538] CPU: 0 PID: 2538 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 262.440672][ T2538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 262.450952][ T2538] Call Trace: [ 262.455025][ T2538] dump_stack_lvl+0x1e2/0x24b [ 262.460193][ T2538] ? bfq_pos_tree_add_move+0x43e/0x43e [ 262.465814][ T2538] ? vsnprintf+0x1fa/0x1cd0 [ 262.470307][ T2538] dump_stack+0x15/0x17 [ 262.474621][ T2538] should_fail+0x3c0/0x510 [ 262.479124][ T2538] should_fail_usercopy+0x1a/0x20 [ 262.484749][ T2538] _copy_from_user+0x20/0xd0 [ 262.489502][ T2538] kstrtouint_from_user+0xd7/0x2b0 [ 262.494712][ T2538] ? kstrtol_from_user+0x310/0x310 [ 262.500215][ T2538] ? snprintf+0xd6/0x120 [ 262.504947][ T2538] ? avc_policy_seqno+0x1b/0x70 [ 262.509875][ T2538] ? selinux_file_permission+0x2a9/0x520 [ 262.515583][ T2538] proc_fail_nth_write+0xa5/0x290 [ 262.520686][ T2538] ? security_file_permission+0x9d/0xc0 [ 262.526218][ T2538] ? proc_fail_nth_read+0x220/0x220 [ 262.531576][ T2538] ? security_file_permission+0xa8/0xc0 [ 262.537195][ T2538] ? rw_verify_area+0x1c2/0x360 [ 262.542053][ T2538] ? proc_fail_nth_read+0x220/0x220 [ 262.547526][ T2538] vfs_write+0x39b/0xf80 [ 262.552109][ T2538] ? kernel_write+0x420/0x420 [ 262.556957][ T2538] ? __kasan_check_write+0x14/0x20 [ 262.562090][ T2538] ? mutex_lock+0xb2/0x1e0 [ 262.566498][ T2538] ? mutex_trylock+0x180/0x180 [ 262.571674][ T2538] ? __fdget_pos+0x26d/0x310 [ 262.576267][ T2538] ? ksys_write+0x77/0x2c0 [ 262.580664][ T2538] ksys_write+0x198/0x2c0 [ 262.585062][ T2538] ? __kasan_check_write+0x14/0x20 [ 262.590374][ T2538] ? __ia32_sys_read+0x90/0x90 [ 262.595559][ T2538] ? debug_smp_processor_id+0x17/0x20 [ 262.600950][ T2538] __x64_sys_write+0x7b/0x90 [ 262.605885][ T2538] do_syscall_64+0x34/0x70 [ 262.610639][ T2538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 262.617123][ T2538] RIP: 0033:0x7faa22393b5f [ 262.621786][ T2538] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 262.642635][ T2538] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 262.651299][ T2538] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 262.659545][ T2538] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 262.668004][ T2538] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 262.676076][ T2538] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 262.684578][ T2538] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 262.693036][ T2540] CPU: 1 PID: 2540 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 262.704490][ T2540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 262.714794][ T2540] Call Trace: [ 262.718245][ T2540] dump_stack_lvl+0x1e2/0x24b [ 262.722895][ T2540] ? panic+0x7d7/0x7d7 [ 262.727196][ T2540] ? bfq_pos_tree_add_move+0x43e/0x43e [ 262.732631][ T2540] ? find_next_bit+0xd6/0x120 [ 262.737562][ T2540] ? cpumask_next+0x11/0x30 [ 262.742435][ T2540] dump_stack+0x15/0x17 [ 262.747029][ T2540] should_fail+0x3c0/0x510 [ 262.754919][ T2540] ? percpu_ref_init+0xd0/0x340 [ 262.759761][ T2540] __should_failslab+0x9f/0xe0 [ 262.764789][ T2540] should_failslab+0x9/0x20 [ 262.769372][ T2540] kmem_cache_alloc_trace+0x3a/0x330 [ 262.774640][ T2540] percpu_ref_init+0xd0/0x340 [ 262.779301][ T2540] ? cgroup_setup_root+0xea0/0xea0 [ 262.784488][ T2540] cgroup_apply_control_enable+0x3a2/0x12f0 [ 262.790362][ T2540] ? cgroup_reconfigure+0xe0/0xe0 [ 262.795630][ T2540] cgroup_apply_control+0x8e/0x7e0 [ 262.800900][ T2540] ? css_next_child+0x160/0x160 [ 262.805821][ T2540] ? io_schedule+0x120/0x120 [ 262.811234][ T2540] ? kernfs_fop_write_iter+0x15e/0x410 [ 262.816814][ T2540] ? __kasan_check_write+0x14/0x20 [ 262.822545][ T2540] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 262.828001][ T2540] cgroup_subtree_control_write+0xd19/0x1310 [ 262.834085][ T2540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 262.840049][ T2540] ? __kasan_check_write+0x14/0x20 [ 262.845441][ T2540] ? _copy_from_iter+0x3fb/0xd60 [ 262.851104][ T2540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 262.857439][ T2540] cgroup_file_write+0x28e/0x590 [ 262.862747][ T2540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.867842][ T2540] ? mutex_trylock+0x180/0x180 [ 262.872591][ T2540] ? __kasan_check_write+0x14/0x20 [ 262.877969][ T2540] kernfs_fop_write_iter+0x2d0/0x410 [ 262.883432][ T2540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.888739][ T2540] vfs_write+0xc4a/0xf80 [ 262.893094][ T2540] ? kernel_write+0x420/0x420 [ 262.897777][ T2540] ? mutex_lock+0xb2/0x1e0 [ 262.902202][ T2540] ? mutex_trylock+0x180/0x180 [ 262.907037][ T2540] ? __fdget_pos+0x26d/0x310 [ 262.911713][ T2540] ? ksys_write+0x77/0x2c0 [ 262.916323][ T2540] ksys_write+0x198/0x2c0 [ 262.921526][ T2540] ? __ia32_sys_read+0x90/0x90 [ 262.926361][ T2540] ? debug_smp_processor_id+0x17/0x20 [ 262.932335][ T2540] __x64_sys_write+0x7b/0x90 [ 262.937054][ T2540] do_syscall_64+0x34/0x70 [ 262.941733][ T2540] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 262.947843][ T2540] RIP: 0033:0x7f85191c4049 [ 262.952366][ T2540] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 262.973044][ T2540] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 262.982318][ T2540] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 262.990976][ T2540] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 2022/08/30 17:00:03 executed programs: 969 [ 263.000195][ T2540] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 263.008301][ T2540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 263.017150][ T2540] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 263.033665][ T2544] FAULT_INJECTION: forcing a failure. [ 263.033665][ T2544] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 263.036148][ T2551] FAULT_INJECTION: forcing a failure. [ 263.036148][ T2551] name failslab, interval 1, probability 0, space 0, times 0 [ 263.049430][ T2544] CPU: 1 PID: 2544 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 263.070958][ T2544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 263.081171][ T2544] Call Trace: [ 263.084560][ T2544] dump_stack_lvl+0x1e2/0x24b [ 263.089244][ T2544] ? bfq_pos_tree_add_move+0x43e/0x43e [ 263.095008][ T2544] ? vsnprintf+0x1fa/0x1cd0 [ 263.099985][ T2544] dump_stack+0x15/0x17 [ 263.104539][ T2544] should_fail+0x3c0/0x510 [ 263.108948][ T2544] should_fail_usercopy+0x1a/0x20 [ 263.114055][ T2544] _copy_from_user+0x20/0xd0 [ 263.118671][ T2544] kstrtouint_from_user+0xd7/0x2b0 [ 263.123789][ T2544] ? kstrtol_from_user+0x310/0x310 [ 263.129007][ T2544] ? snprintf+0xd6/0x120 [ 263.133287][ T2544] ? avc_policy_seqno+0x1b/0x70 [ 263.138143][ T2544] ? selinux_file_permission+0x2a9/0x520 [ 263.143771][ T2544] proc_fail_nth_write+0xa5/0x290 [ 263.149197][ T2544] ? security_file_permission+0x9d/0xc0 [ 263.154848][ T2544] ? proc_fail_nth_read+0x220/0x220 [ 263.160043][ T2544] ? security_file_permission+0xa8/0xc0 [ 263.165844][ T2544] ? rw_verify_area+0x1c2/0x360 [ 263.170782][ T2544] ? proc_fail_nth_read+0x220/0x220 [ 263.176530][ T2544] vfs_write+0x39b/0xf80 [ 263.180847][ T2544] ? kernel_write+0x420/0x420 [ 263.185746][ T2544] ? __kasan_check_write+0x14/0x20 [ 263.190847][ T2544] ? mutex_lock+0xb2/0x1e0 [ 263.195254][ T2544] ? mutex_trylock+0x180/0x180 [ 263.200208][ T2544] ? __fdget_pos+0x26d/0x310 [ 263.204868][ T2544] ? ksys_write+0x77/0x2c0 [ 263.209271][ T2544] ksys_write+0x198/0x2c0 [ 263.213951][ T2544] ? __kasan_check_write+0x14/0x20 [ 263.219045][ T2544] ? __ia32_sys_read+0x90/0x90 [ 263.223899][ T2544] ? debug_smp_processor_id+0x17/0x20 [ 263.229512][ T2544] __x64_sys_write+0x7b/0x90 [ 263.234186][ T2544] do_syscall_64+0x34/0x70 [ 263.239022][ T2544] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 263.245169][ T2544] RIP: 0033:0x7f7d1c31ab5f [ 263.249757][ T2544] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 263.269843][ T2544] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 263.278353][ T2544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 263.286490][ T2544] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 263.294546][ T2544] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 263.302605][ T2544] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 263.310795][ T2544] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 263.318850][ T2551] CPU: 0 PID: 2551 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 263.329730][ T2551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 263.340108][ T2551] Call Trace: [ 263.343406][ T2551] dump_stack_lvl+0x1e2/0x24b [ 263.348380][ T2551] ? panic+0x7d7/0x7d7 [ 263.352457][ T2551] ? bfq_pos_tree_add_move+0x43e/0x43e [ 263.358082][ T2551] ? find_next_bit+0xd6/0x120 [ 263.362981][ T2551] ? cpumask_next+0x11/0x30 [ 263.368011][ T2551] dump_stack+0x15/0x17 [ 263.372191][ T2551] should_fail+0x3c0/0x510 [ 263.377328][ T2551] ? percpu_ref_init+0xd0/0x340 [ 263.382655][ T2551] __should_failslab+0x9f/0xe0 [ 263.387428][ T2551] should_failslab+0x9/0x20 [ 263.392441][ T2551] kmem_cache_alloc_trace+0x3a/0x330 [ 263.398185][ T2551] percpu_ref_init+0xd0/0x340 [ 263.402974][ T2551] ? cgroup_setup_root+0xea0/0xea0 [ 263.408068][ T2551] cgroup_apply_control_enable+0x3a2/0x12f0 [ 263.414071][ T2551] ? cgroup_reconfigure+0xe0/0xe0 [ 263.419268][ T2551] cgroup_apply_control+0x8e/0x7e0 [ 263.424456][ T2551] ? css_next_child+0x160/0x160 [ 263.429393][ T2551] ? io_schedule+0x120/0x120 [ 263.433993][ T2551] ? kernfs_fop_write_iter+0x15e/0x410 [ 263.439526][ T2551] ? __kasan_check_write+0x14/0x20 [ 263.444634][ T2551] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 263.450058][ T2551] cgroup_subtree_control_write+0xd19/0x1310 [ 263.456217][ T2551] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.462541][ T2551] ? __kasan_check_write+0x14/0x20 [ 263.468275][ T2551] ? _copy_from_iter+0x3fb/0xd60 [ 263.473307][ T2551] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.479594][ T2551] cgroup_file_write+0x28e/0x590 [ 263.484707][ T2551] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.489952][ T2551] ? mutex_trylock+0x180/0x180 [ 263.494927][ T2551] ? __kasan_check_write+0x14/0x20 [ 263.500309][ T2551] kernfs_fop_write_iter+0x2d0/0x410 [ 263.505757][ T2551] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.511014][ T2551] vfs_write+0xc4a/0xf80 [ 263.515771][ T2551] ? kernel_write+0x420/0x420 [ 263.520440][ T2551] ? mutex_lock+0xb2/0x1e0 [ 263.525055][ T2551] ? mutex_trylock+0x180/0x180 [ 263.529801][ T2551] ? __fdget_pos+0x26d/0x310 [ 263.534469][ T2551] ? ksys_write+0x77/0x2c0 [ 263.538959][ T2551] ksys_write+0x198/0x2c0 [ 263.543456][ T2551] ? __ia32_sys_read+0x90/0x90 [ 263.548207][ T2551] ? debug_smp_processor_id+0x17/0x20 [ 263.553558][ T2551] __x64_sys_write+0x7b/0x90 [ 263.558587][ T2551] do_syscall_64+0x34/0x70 [ 263.563087][ T2551] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 263.568999][ T2551] RIP: 0033:0x7f85191c4049 [ 263.573502][ T2551] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 263.593431][ T2551] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 263.602901][ T2551] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 263.610946][ T2551] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 263.619088][ T2551] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 263.627414][ T2551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 263.635950][ T2551] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 263.651750][ T2549] FAULT_INJECTION: forcing a failure. [ 263.651750][ T2549] name failslab, interval 1, probability 0, space 0, times 0 [ 263.665418][ T2549] CPU: 1 PID: 2549 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 263.676821][ T2549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 263.687355][ T2549] Call Trace: [ 263.690684][ T2549] dump_stack_lvl+0x1e2/0x24b [ 263.695532][ T2549] ? panic+0x7d7/0x7d7 [ 263.700223][ T2549] ? bfq_pos_tree_add_move+0x43e/0x43e [ 263.705795][ T2549] ? find_next_bit+0xd6/0x120 [ 263.711181][ T2549] ? cpumask_next+0x11/0x30 [ 263.716307][ T2549] dump_stack+0x15/0x17 [ 263.721042][ T2549] should_fail+0x3c0/0x510 [ 263.725616][ T2549] ? percpu_ref_init+0xd0/0x340 [ 263.730455][ T2549] __should_failslab+0x9f/0xe0 [ 263.735568][ T2549] should_failslab+0x9/0x20 [ 263.740385][ T2549] kmem_cache_alloc_trace+0x3a/0x330 [ 263.745935][ T2549] percpu_ref_init+0xd0/0x340 [ 263.751443][ T2549] ? cgroup_setup_root+0xea0/0xea0 [ 263.756810][ T2549] cgroup_apply_control_enable+0x3a2/0x12f0 [ 263.762866][ T2549] ? cgroup_reconfigure+0xe0/0xe0 [ 263.768256][ T2549] cgroup_apply_control+0x8e/0x7e0 [ 263.773715][ T2549] ? css_next_child+0x160/0x160 [ 263.778795][ T2549] ? io_schedule+0x120/0x120 [ 263.783383][ T2549] ? kernfs_fop_write_iter+0x15e/0x410 [ 263.788839][ T2549] ? __kasan_check_write+0x14/0x20 [ 263.793945][ T2549] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 263.799427][ T2549] cgroup_subtree_control_write+0xd19/0x1310 [ 263.805395][ T2549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.811359][ T2549] ? __kasan_check_write+0x14/0x20 [ 263.816460][ T2549] ? _copy_from_iter+0x3fb/0xd60 [ 263.821873][ T2549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.828587][ T2549] cgroup_file_write+0x28e/0x590 [ 263.833557][ T2549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.838658][ T2549] ? mutex_trylock+0x180/0x180 [ 263.843410][ T2549] ? __kasan_check_write+0x14/0x20 [ 263.848724][ T2549] kernfs_fop_write_iter+0x2d0/0x410 [ 263.854336][ T2549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.859833][ T2549] vfs_write+0xc4a/0xf80 [ 263.864365][ T2549] ? kernel_write+0x420/0x420 [ 263.869059][ T2549] ? mutex_lock+0xb2/0x1e0 [ 263.873646][ T2549] ? mutex_trylock+0x180/0x180 [ 263.878487][ T2549] ? __fdget_pos+0x26d/0x310 [ 263.883068][ T2549] ? ksys_write+0x77/0x2c0 [ 263.887760][ T2549] ksys_write+0x198/0x2c0 [ 263.892380][ T2549] ? __ia32_sys_read+0x90/0x90 [ 263.897356][ T2549] ? debug_smp_processor_id+0x17/0x20 [ 263.903275][ T2549] __x64_sys_write+0x7b/0x90 [ 263.908288][ T2549] do_syscall_64+0x34/0x70 [ 263.912984][ T2549] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 263.918982][ T2549] RIP: 0033:0x7f6ebe11e049 [ 263.923395][ T2549] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 263.944043][ T2549] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 263.953308][ T2549] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 263.962781][ T2549] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 263.971105][ T2549] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 263.979497][ T2549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 263.989477][ T2549] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 263.999400][ T2556] FAULT_INJECTION: forcing a failure. [ 263.999400][ T2556] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 264.008728][ T2560] FAULT_INJECTION: forcing a failure. [ 264.008728][ T2560] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 264.014727][ T2564] FAULT_INJECTION: forcing a failure. [ 264.014727][ T2564] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 264.027890][ T2556] CPU: 0 PID: 2556 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 264.040951][ T2561] FAULT_INJECTION: forcing a failure. [ 264.040951][ T2561] name failslab, interval 1, probability 0, space 0, times 0 [ 264.051289][ T2556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 264.051293][ T2556] Call Trace: [ 264.051310][ T2556] dump_stack_lvl+0x1e2/0x24b [ 264.051321][ T2556] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.051331][ T2556] ? vsnprintf+0x1fa/0x1cd0 [ 264.051342][ T2556] dump_stack+0x15/0x17 [ 264.051352][ T2556] should_fail+0x3c0/0x510 [ 264.051362][ T2556] should_fail_usercopy+0x1a/0x20 [ 264.051373][ T2556] _copy_from_user+0x20/0xd0 [ 264.051390][ T2556] kstrtouint_from_user+0xd7/0x2b0 [ 264.117637][ T2556] ? kstrtol_from_user+0x310/0x310 [ 264.123009][ T2556] ? snprintf+0xd6/0x120 [ 264.127431][ T2556] ? avc_policy_seqno+0x1b/0x70 [ 264.132539][ T2556] ? selinux_file_permission+0x2a9/0x520 [ 264.138177][ T2556] proc_fail_nth_write+0xa5/0x290 [ 264.143186][ T2556] ? security_file_permission+0x9d/0xc0 [ 264.148730][ T2556] ? proc_fail_nth_read+0x220/0x220 [ 264.153912][ T2556] ? security_file_permission+0xa8/0xc0 [ 264.159585][ T2556] ? rw_verify_area+0x1c2/0x360 [ 264.164420][ T2556] ? proc_fail_nth_read+0x220/0x220 [ 264.169883][ T2556] vfs_write+0x39b/0xf80 [ 264.174155][ T2556] ? kernel_write+0x420/0x420 [ 264.178905][ T2556] ? __kasan_check_write+0x14/0x20 [ 264.184274][ T2556] ? mutex_lock+0xb2/0x1e0 [ 264.188863][ T2556] ? mutex_trylock+0x180/0x180 [ 264.193642][ T2556] ? __fdget_pos+0x26d/0x310 [ 264.198403][ T2556] ? ksys_write+0x77/0x2c0 [ 264.202980][ T2556] ksys_write+0x198/0x2c0 [ 264.207382][ T2556] ? __kasan_check_write+0x14/0x20 [ 264.212478][ T2556] ? __ia32_sys_read+0x90/0x90 [ 264.217235][ T2556] ? debug_smp_processor_id+0x17/0x20 [ 264.222594][ T2556] __x64_sys_write+0x7b/0x90 [ 264.227334][ T2556] do_syscall_64+0x34/0x70 [ 264.231919][ T2556] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 264.237796][ T2556] RIP: 0033:0x7f7d1c31ab5f [ 264.242365][ T2556] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 264.262847][ T2556] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 264.271348][ T2556] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 264.279472][ T2556] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 264.287614][ T2556] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 264.295729][ T2556] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 264.303960][ T2556] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 264.315346][ T2564] CPU: 0 PID: 2564 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 264.325964][ T2564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 264.336084][ T2564] Call Trace: [ 264.339535][ T2564] dump_stack_lvl+0x1e2/0x24b [ 264.344506][ T2564] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.349941][ T2564] ? vsnprintf+0x1fa/0x1cd0 [ 264.354679][ T2564] dump_stack+0x15/0x17 [ 264.358985][ T2564] should_fail+0x3c0/0x510 [ 264.363560][ T2564] should_fail_usercopy+0x1a/0x20 [ 264.368577][ T2564] _copy_from_user+0x20/0xd0 [ 264.373413][ T2564] kstrtouint_from_user+0xd7/0x2b0 [ 264.378628][ T2564] ? kstrtol_from_user+0x310/0x310 [ 264.383718][ T2564] ? snprintf+0xd6/0x120 [ 264.388142][ T2564] ? avc_policy_seqno+0x1b/0x70 [ 264.393070][ T2564] ? selinux_file_permission+0x2a9/0x520 [ 264.398780][ T2564] proc_fail_nth_write+0xa5/0x290 [ 264.403992][ T2564] ? security_file_permission+0x9d/0xc0 [ 264.409617][ T2564] ? proc_fail_nth_read+0x220/0x220 [ 264.414920][ T2564] ? security_file_permission+0xa8/0xc0 [ 264.420522][ T2564] ? rw_verify_area+0x1c2/0x360 [ 264.425353][ T2564] ? proc_fail_nth_read+0x220/0x220 [ 264.430987][ T2564] vfs_write+0x39b/0xf80 [ 264.435295][ T2564] ? kernel_write+0x420/0x420 [ 264.440426][ T2564] ? __kasan_check_write+0x14/0x20 [ 264.445609][ T2564] ? mutex_lock+0xb2/0x1e0 [ 264.450092][ T2564] ? mutex_trylock+0x180/0x180 [ 264.454941][ T2564] ? __fdget_pos+0x26d/0x310 [ 264.459554][ T2564] ? ksys_write+0x77/0x2c0 [ 264.464648][ T2564] ksys_write+0x198/0x2c0 [ 264.469223][ T2564] ? __ia32_sys_read+0x90/0x90 [ 264.474011][ T2564] ? debug_smp_processor_id+0x17/0x20 [ 264.479446][ T2564] __x64_sys_write+0x7b/0x90 [ 264.484187][ T2564] do_syscall_64+0x34/0x70 [ 264.488587][ T2564] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 264.494456][ T2564] RIP: 0033:0x7faa22393b5f [ 264.498849][ T2564] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 264.518624][ T2564] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 264.527310][ T2564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 264.535365][ T2564] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 264.543595][ T2564] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 264.551567][ T2564] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 264.559864][ T2564] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 264.568443][ T2561] CPU: 0 PID: 2561 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 264.579133][ T2561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 264.589168][ T2561] Call Trace: [ 264.592443][ T2561] dump_stack_lvl+0x1e2/0x24b [ 264.597109][ T2561] ? panic+0x7d7/0x7d7 [ 264.601161][ T2561] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.606661][ T2561] ? find_next_bit+0xd6/0x120 [ 264.611506][ T2561] ? cpumask_next+0x11/0x30 [ 264.615992][ T2561] dump_stack+0x15/0x17 [ 264.620214][ T2561] should_fail+0x3c0/0x510 [ 264.624800][ T2561] ? percpu_ref_init+0xd0/0x340 [ 264.630433][ T2561] __should_failslab+0x9f/0xe0 [ 264.635180][ T2561] should_failslab+0x9/0x20 [ 264.639750][ T2561] kmem_cache_alloc_trace+0x3a/0x330 [ 264.645018][ T2561] percpu_ref_init+0xd0/0x340 [ 264.649783][ T2561] ? cgroup_setup_root+0xea0/0xea0 [ 264.655231][ T2561] cgroup_apply_control_enable+0x3a2/0x12f0 [ 264.661103][ T2561] ? cgroup_reconfigure+0xe0/0xe0 [ 264.666627][ T2561] cgroup_apply_control+0x8e/0x7e0 [ 264.671977][ T2561] ? css_next_child+0x160/0x160 [ 264.676841][ T2561] ? io_schedule+0x120/0x120 [ 264.681581][ T2561] ? kernfs_fop_write_iter+0x15e/0x410 [ 264.687141][ T2561] ? __kasan_check_write+0x14/0x20 [ 264.692255][ T2561] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 264.697803][ T2561] cgroup_subtree_control_write+0xd19/0x1310 [ 264.703778][ T2561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 264.709910][ T2561] ? __kasan_check_write+0x14/0x20 [ 264.715331][ T2561] ? _copy_from_iter+0x3fb/0xd60 [ 264.720361][ T2561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 264.726769][ T2561] cgroup_file_write+0x28e/0x590 [ 264.731818][ T2561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 264.737160][ T2561] ? mutex_trylock+0x180/0x180 [ 264.742572][ T2561] ? __kasan_check_write+0x14/0x20 [ 264.748150][ T2561] kernfs_fop_write_iter+0x2d0/0x410 [ 264.753443][ T2561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 264.758556][ T2561] vfs_write+0xc4a/0xf80 [ 264.762826][ T2561] ? kernel_write+0x420/0x420 [ 264.767775][ T2561] ? mutex_lock+0xb2/0x1e0 [ 264.774522][ T2561] ? mutex_trylock+0x180/0x180 [ 264.779886][ T2561] ? __fdget_pos+0x26d/0x310 [ 264.784452][ T2561] ? ksys_write+0x77/0x2c0 [ 264.788940][ T2561] ksys_write+0x198/0x2c0 [ 264.793647][ T2561] ? __ia32_sys_read+0x90/0x90 [ 264.798502][ T2561] ? debug_smp_processor_id+0x17/0x20 [ 264.803960][ T2561] __x64_sys_write+0x7b/0x90 [ 264.808715][ T2561] do_syscall_64+0x34/0x70 [ 264.813546][ T2561] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 264.819991][ T2561] RIP: 0033:0x7f85191c4049 [ 264.825532][ T2561] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 264.845655][ T2561] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 264.854491][ T2561] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 264.862795][ T2561] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 264.871209][ T2561] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 264.879263][ T2561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 264.887396][ T2561] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 264.898503][ T2560] CPU: 0 PID: 2560 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 264.908915][ T2560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 264.918515][ T2570] FAULT_INJECTION: forcing a failure. [ 264.918515][ T2570] name failslab, interval 1, probability 0, space 0, times 0 [ 264.919250][ T2560] Call Trace: [ 264.919267][ T2560] dump_stack_lvl+0x1e2/0x24b [ 264.919285][ T2560] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.945815][ T2560] ? vsnprintf+0x1fa/0x1cd0 [ 264.950319][ T2560] dump_stack+0x15/0x17 [ 264.954459][ T2560] should_fail+0x3c0/0x510 [ 264.958860][ T2560] should_fail_usercopy+0x1a/0x20 [ 264.964033][ T2560] _copy_from_user+0x20/0xd0 [ 264.969097][ T2560] kstrtouint_from_user+0xd7/0x2b0 [ 264.974248][ T2560] ? kstrtol_from_user+0x310/0x310 [ 264.979349][ T2560] ? snprintf+0xd6/0x120 [ 264.983664][ T2560] ? avc_policy_seqno+0x1b/0x70 [ 264.990382][ T2560] ? selinux_file_permission+0x2a9/0x520 [ 264.996214][ T2560] proc_fail_nth_write+0xa5/0x290 [ 265.001477][ T2560] ? security_file_permission+0x9d/0xc0 [ 265.007622][ T2560] ? proc_fail_nth_read+0x220/0x220 [ 265.013111][ T2560] ? security_file_permission+0xa8/0xc0 [ 265.018833][ T2560] ? rw_verify_area+0x1c2/0x360 [ 265.024312][ T2560] ? proc_fail_nth_read+0x220/0x220 [ 265.029505][ T2560] vfs_write+0x39b/0xf80 [ 265.033843][ T2560] ? kernel_write+0x420/0x420 [ 265.038543][ T2560] ? __kasan_check_write+0x14/0x20 [ 265.044115][ T2560] ? mutex_lock+0xb2/0x1e0 [ 265.048542][ T2560] ? mutex_trylock+0x180/0x180 [ 265.053293][ T2560] ? __fdget_pos+0x26d/0x310 [ 265.057956][ T2560] ? ksys_write+0x77/0x2c0 [ 265.062374][ T2560] ksys_write+0x198/0x2c0 [ 265.067121][ T2560] ? __kasan_check_write+0x14/0x20 [ 265.072319][ T2560] ? __ia32_sys_read+0x90/0x90 [ 265.077275][ T2560] ? debug_smp_processor_id+0x17/0x20 [ 265.082725][ T2560] __x64_sys_write+0x7b/0x90 [ 265.087314][ T2560] do_syscall_64+0x34/0x70 [ 265.091802][ T2560] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.098547][ T2560] RIP: 0033:0x7f869ba6eb5f [ 265.103400][ T2560] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 265.123576][ T2560] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 265.132065][ T2560] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 265.140111][ T2560] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 265.148160][ T2560] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 265.156300][ T2560] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 265.166340][ T2560] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 265.174401][ T2570] CPU: 1 PID: 2570 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 265.184739][ T2570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 265.194778][ T2570] Call Trace: [ 265.198226][ T2570] dump_stack_lvl+0x1e2/0x24b [ 265.203232][ T2570] ? panic+0x7d7/0x7d7 [ 265.207280][ T2570] ? bfq_pos_tree_add_move+0x43e/0x43e [ 265.212713][ T2570] ? find_next_bit+0xd6/0x120 [ 265.217540][ T2570] ? cpumask_next+0x11/0x30 [ 265.222108][ T2570] dump_stack+0x15/0x17 [ 265.226672][ T2570] should_fail+0x3c0/0x510 [ 265.231717][ T2570] ? percpu_ref_init+0xd0/0x340 [ 265.236788][ T2570] __should_failslab+0x9f/0xe0 [ 265.241552][ T2570] should_failslab+0x9/0x20 [ 265.246040][ T2570] kmem_cache_alloc_trace+0x3a/0x330 [ 265.251429][ T2570] percpu_ref_init+0xd0/0x340 [ 265.256099][ T2570] ? cgroup_setup_root+0xea0/0xea0 [ 265.261639][ T2570] cgroup_apply_control_enable+0x3a2/0x12f0 [ 265.267685][ T2570] ? cgroup_reconfigure+0xe0/0xe0 [ 265.272862][ T2570] cgroup_apply_control+0x8e/0x7e0 [ 265.277960][ T2570] ? css_next_child+0x160/0x160 [ 265.282889][ T2570] ? io_schedule+0x120/0x120 [ 265.287591][ T2570] ? kernfs_fop_write_iter+0x15e/0x410 [ 265.293113][ T2570] ? __kasan_check_write+0x14/0x20 [ 265.298297][ T2570] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 265.303555][ T2570] cgroup_subtree_control_write+0xd19/0x1310 [ 265.309507][ T2570] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.315720][ T2570] ? __kasan_check_write+0x14/0x20 [ 265.320825][ T2570] ? _copy_from_iter+0x3fb/0xd60 [ 265.325740][ T2570] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.331693][ T2570] cgroup_file_write+0x28e/0x590 [ 265.337127][ T2570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.342400][ T2570] ? mutex_trylock+0x180/0x180 [ 265.347228][ T2570] ? __kasan_check_write+0x14/0x20 [ 265.352401][ T2570] kernfs_fop_write_iter+0x2d0/0x410 [ 265.357798][ T2570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.362892][ T2570] vfs_write+0xc4a/0xf80 [ 265.367218][ T2570] ? kernel_write+0x420/0x420 [ 265.371882][ T2570] ? mutex_lock+0xb2/0x1e0 [ 265.376362][ T2570] ? mutex_trylock+0x180/0x180 [ 265.381620][ T2570] ? __fdget_pos+0x26d/0x310 [ 265.386425][ T2570] ? ksys_write+0x77/0x2c0 [ 265.391084][ T2570] ksys_write+0x198/0x2c0 [ 265.395396][ T2570] ? __ia32_sys_read+0x90/0x90 [ 265.400247][ T2570] ? debug_smp_processor_id+0x17/0x20 [ 265.405596][ T2570] __x64_sys_write+0x7b/0x90 [ 265.410280][ T2570] do_syscall_64+0x34/0x70 [ 265.414810][ T2570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.420963][ T2570] RIP: 0033:0x7f85191c4049 [ 265.425371][ T2570] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 265.445298][ T2570] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 265.453793][ T2570] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 265.462009][ T2570] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 265.469999][ T2570] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 265.478410][ T2570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 265.486708][ T2570] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 265.501728][ T2568] FAULT_INJECTION: forcing a failure. [ 265.501728][ T2568] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 265.515325][ T2566] FAULT_INJECTION: forcing a failure. [ 265.515325][ T2566] name failslab, interval 1, probability 0, space 0, times 0 [ 265.535993][ T2568] CPU: 0 PID: 2568 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 265.546596][ T2568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 265.556654][ T2568] Call Trace: [ 265.559945][ T2568] dump_stack_lvl+0x1e2/0x24b [ 265.564618][ T2568] ? bfq_pos_tree_add_move+0x43e/0x43e [ 265.570071][ T2568] ? vsnprintf+0x1fa/0x1cd0 [ 265.574676][ T2568] dump_stack+0x15/0x17 [ 265.579122][ T2568] should_fail+0x3c0/0x510 [ 265.583606][ T2568] should_fail_usercopy+0x1a/0x20 [ 265.588787][ T2568] _copy_from_user+0x20/0xd0 [ 265.593365][ T2568] kstrtouint_from_user+0xd7/0x2b0 [ 265.598653][ T2568] ? kstrtol_from_user+0x310/0x310 [ 265.603764][ T2568] ? snprintf+0xd6/0x120 [ 265.608012][ T2568] ? avc_policy_seqno+0x1b/0x70 [ 265.613063][ T2568] ? selinux_file_permission+0x2a9/0x520 [ 265.618673][ T2568] proc_fail_nth_write+0xa5/0x290 [ 265.623769][ T2568] ? security_file_permission+0x9d/0xc0 [ 265.629478][ T2568] ? proc_fail_nth_read+0x220/0x220 [ 265.634755][ T2568] ? security_file_permission+0xa8/0xc0 [ 265.640294][ T2568] ? rw_verify_area+0x1c2/0x360 [ 265.645132][ T2568] ? proc_fail_nth_read+0x220/0x220 [ 265.654939][ T2568] vfs_write+0x39b/0xf80 [ 265.659166][ T2568] ? kernel_write+0x420/0x420 [ 265.664897][ T2568] ? __kasan_check_write+0x14/0x20 [ 265.670106][ T2568] ? mutex_lock+0xb2/0x1e0 [ 265.674640][ T2568] ? mutex_trylock+0x180/0x180 [ 265.679398][ T2568] ? __fdget_pos+0x26d/0x310 [ 265.684061][ T2568] ? ksys_write+0x77/0x2c0 [ 265.688733][ T2568] ksys_write+0x198/0x2c0 [ 265.693105][ T2568] ? __kasan_check_write+0x14/0x20 [ 265.698216][ T2568] ? __ia32_sys_read+0x90/0x90 [ 265.702972][ T2568] ? debug_smp_processor_id+0x17/0x20 [ 265.708414][ T2568] __x64_sys_write+0x7b/0x90 [ 265.712989][ T2568] do_syscall_64+0x34/0x70 [ 265.717562][ T2568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 265.723658][ T2568] RIP: 0033:0x7f7d1c31ab5f [ 265.728063][ T2568] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 265.747832][ T2568] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 265.756403][ T2568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 265.764459][ T2568] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 265.772591][ T2568] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 265.780558][ T2568] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 265.788598][ T2568] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 265.796636][ T2566] CPU: 1 PID: 2566 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 265.812248][ T2566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 265.822420][ T2566] Call Trace: [ 265.825916][ T2566] dump_stack_lvl+0x1e2/0x24b [ 265.830581][ T2566] ? panic+0x7d7/0x7d7 [ 265.834799][ T2566] ? bfq_pos_tree_add_move+0x43e/0x43e [ 265.840576][ T2566] ? find_next_bit+0xd6/0x120 [ 265.845237][ T2566] ? cpumask_next+0x11/0x30 [ 265.849840][ T2566] dump_stack+0x15/0x17 [ 265.854256][ T2566] should_fail+0x3c0/0x510 [ 265.858955][ T2566] ? percpu_ref_init+0xd0/0x340 [ 265.864092][ T2566] __should_failslab+0x9f/0xe0 [ 265.869393][ T2566] should_failslab+0x9/0x20 [ 265.874056][ T2566] kmem_cache_alloc_trace+0x3a/0x330 [ 265.880197][ T2566] percpu_ref_init+0xd0/0x340 [ 265.885461][ T2566] ? cgroup_setup_root+0xea0/0xea0 [ 265.891037][ T2566] cgroup_apply_control_enable+0x3a2/0x12f0 [ 265.897187][ T2566] ? cgroup_reconfigure+0xe0/0xe0 [ 265.902228][ T2566] cgroup_apply_control+0x8e/0x7e0 [ 265.907327][ T2566] ? css_next_child+0x160/0x160 [ 265.912412][ T2566] ? io_schedule+0x120/0x120 [ 265.917173][ T2566] ? kernfs_fop_write_iter+0x15e/0x410 [ 265.923035][ T2566] ? __kasan_check_write+0x14/0x20 [ 265.928247][ T2566] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 265.933728][ T2566] cgroup_subtree_control_write+0xd19/0x1310 [ 265.939895][ T2566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.945975][ T2566] ? __kasan_check_write+0x14/0x20 [ 265.951097][ T2566] ? _copy_from_iter+0x3fb/0xd60 [ 265.956034][ T2566] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.962122][ T2566] cgroup_file_write+0x28e/0x590 [ 265.967218][ T2566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.972400][ T2566] ? mutex_trylock+0x180/0x180 [ 265.977466][ T2566] ? __kasan_check_write+0x14/0x20 [ 265.982846][ T2566] kernfs_fop_write_iter+0x2d0/0x410 [ 265.988362][ T2566] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.993691][ T2566] vfs_write+0xc4a/0xf80 [ 265.998067][ T2566] ? kernel_write+0x420/0x420 [ 266.002863][ T2566] ? mutex_lock+0xb2/0x1e0 [ 266.007528][ T2566] ? mutex_trylock+0x180/0x180 [ 266.012285][ T2566] ? __fdget_pos+0x26d/0x310 [ 266.016956][ T2566] ? ksys_write+0x77/0x2c0 [ 266.021353][ T2566] ksys_write+0x198/0x2c0 [ 266.025736][ T2566] ? __ia32_sys_read+0x90/0x90 [ 266.030489][ T2566] ? debug_smp_processor_id+0x17/0x20 [ 266.035844][ T2566] __x64_sys_write+0x7b/0x90 [ 266.040411][ T2566] do_syscall_64+0x34/0x70 [ 266.044892][ T2566] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 266.050759][ T2566] RIP: 0033:0x7f6ebe11e049 [ 266.055162][ T2566] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 266.075182][ T2566] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 266.083964][ T2566] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 266.092147][ T2566] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 266.102101][ T2566] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 266.111513][ T2566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 266.119815][ T2566] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 266.129268][ T2575] FAULT_INJECTION: forcing a failure. [ 266.129268][ T2575] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 266.133627][ T2576] FAULT_INJECTION: forcing a failure. [ 266.133627][ T2576] name failslab, interval 1, probability 0, space 0, times 0 [ 266.156548][ T2575] CPU: 0 PID: 2575 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 266.167236][ T2575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 266.177450][ T2575] Call Trace: [ 266.181000][ T2575] dump_stack_lvl+0x1e2/0x24b [ 266.185686][ T2575] ? bfq_pos_tree_add_move+0x43e/0x43e [ 266.191215][ T2575] ? vsnprintf+0x1fa/0x1cd0 [ 266.195909][ T2575] dump_stack+0x15/0x17 [ 266.200219][ T2575] should_fail+0x3c0/0x510 [ 266.204704][ T2575] should_fail_usercopy+0x1a/0x20 [ 266.209720][ T2575] _copy_from_user+0x20/0xd0 [ 266.214310][ T2575] kstrtouint_from_user+0xd7/0x2b0 [ 266.219499][ T2575] ? kstrtol_from_user+0x310/0x310 [ 266.224966][ T2575] ? snprintf+0xd6/0x120 [ 266.229285][ T2575] ? avc_policy_seqno+0x1b/0x70 [ 266.234121][ T2575] ? selinux_file_permission+0x2a9/0x520 [ 266.239750][ T2575] proc_fail_nth_write+0xa5/0x290 [ 266.244851][ T2575] ? security_file_permission+0x9d/0xc0 [ 266.250376][ T2575] ? proc_fail_nth_read+0x220/0x220 [ 266.255838][ T2575] ? security_file_permission+0xa8/0xc0 [ 266.261471][ T2575] ? rw_verify_area+0x1c2/0x360 [ 266.266482][ T2575] ? proc_fail_nth_read+0x220/0x220 [ 266.272025][ T2575] vfs_write+0x39b/0xf80 [ 266.276264][ T2575] ? kernel_write+0x420/0x420 [ 266.281121][ T2575] ? __kasan_check_write+0x14/0x20 [ 266.286489][ T2575] ? mutex_lock+0xb2/0x1e0 [ 266.290985][ T2575] ? mutex_trylock+0x180/0x180 [ 266.295760][ T2575] ? __fdget_pos+0x26d/0x310 [ 266.300333][ T2575] ? ksys_write+0x77/0x2c0 [ 266.304752][ T2575] ksys_write+0x198/0x2c0 [ 266.309252][ T2575] ? __kasan_check_write+0x14/0x20 [ 266.314606][ T2575] ? __ia32_sys_read+0x90/0x90 [ 266.319357][ T2575] ? debug_smp_processor_id+0x17/0x20 [ 266.324855][ T2575] __x64_sys_write+0x7b/0x90 [ 266.329721][ T2575] do_syscall_64+0x34/0x70 [ 266.334237][ T2575] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 266.340205][ T2575] RIP: 0033:0x7f022ab05b5f [ 266.344611][ T2575] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 266.366017][ T2575] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 266.374531][ T2575] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 266.382495][ T2575] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 266.391636][ T2575] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 266.399998][ T2575] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 266.408043][ T2575] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 266.417209][ T2576] CPU: 1 PID: 2576 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 266.433032][ T2576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 266.443594][ T2576] Call Trace: [ 266.447449][ T2576] dump_stack_lvl+0x1e2/0x24b [ 266.452437][ T2576] ? panic+0x7d7/0x7d7 [ 266.457016][ T2576] ? bfq_pos_tree_add_move+0x43e/0x43e [ 266.462999][ T2576] ? find_next_bit+0xd6/0x120 [ 266.467767][ T2576] ? cpumask_next+0x11/0x30 [ 266.472574][ T2576] dump_stack+0x15/0x17 [ 266.476894][ T2576] should_fail+0x3c0/0x510 [ 266.481552][ T2576] ? percpu_ref_init+0xd0/0x340 [ 266.486572][ T2576] __should_failslab+0x9f/0xe0 [ 266.491912][ T2576] should_failslab+0x9/0x20 [ 266.496668][ T2576] kmem_cache_alloc_trace+0x3a/0x330 [ 266.502652][ T2576] percpu_ref_init+0xd0/0x340 [ 266.507772][ T2576] ? cgroup_setup_root+0xea0/0xea0 [ 266.512888][ T2576] cgroup_apply_control_enable+0x3a2/0x12f0 [ 266.518956][ T2576] ? cgroup_reconfigure+0xe0/0xe0 [ 266.524261][ T2576] cgroup_apply_control+0x8e/0x7e0 [ 266.529478][ T2576] ? css_next_child+0x160/0x160 [ 266.534501][ T2576] ? io_schedule+0x120/0x120 [ 266.539201][ T2576] ? kernfs_fop_write_iter+0x15e/0x410 [ 266.545007][ T2576] ? __kasan_check_write+0x14/0x20 [ 266.550193][ T2576] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 266.555585][ T2576] cgroup_subtree_control_write+0xd19/0x1310 [ 266.561585][ T2576] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.567897][ T2576] ? __kasan_check_write+0x14/0x20 [ 266.573274][ T2576] ? _copy_from_iter+0x3fb/0xd60 [ 266.578418][ T2576] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.584382][ T2576] cgroup_file_write+0x28e/0x590 [ 266.589306][ T2576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.594441][ T2576] ? mutex_trylock+0x180/0x180 [ 266.599390][ T2576] ? __kasan_check_write+0x14/0x20 [ 266.604580][ T2576] kernfs_fop_write_iter+0x2d0/0x410 [ 266.609933][ T2576] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.615034][ T2576] vfs_write+0xc4a/0xf80 [ 266.619356][ T2576] ? kernel_write+0x420/0x420 [ 266.624447][ T2576] ? mutex_lock+0xb2/0x1e0 [ 266.628935][ T2576] ? mutex_trylock+0x180/0x180 [ 266.634026][ T2576] ? __fdget_pos+0x26d/0x310 [ 266.638859][ T2576] ? ksys_write+0x77/0x2c0 [ 266.643252][ T2576] ksys_write+0x198/0x2c0 [ 266.647588][ T2576] ? __ia32_sys_read+0x90/0x90 [ 266.652348][ T2576] ? debug_smp_processor_id+0x17/0x20 [ 266.657825][ T2576] __x64_sys_write+0x7b/0x90 [ 266.662522][ T2576] do_syscall_64+0x34/0x70 [ 266.667178][ T2576] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 266.673068][ T2576] RIP: 0033:0x7f85191c4049 [ 266.677557][ T2576] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 266.697368][ T2576] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 266.706406][ T2576] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 266.714509][ T2576] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 266.722681][ T2576] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 266.731013][ T2576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 266.739169][ T2576] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 266.748883][ T2585] FAULT_INJECTION: forcing a failure. [ 266.748883][ T2585] name failslab, interval 1, probability 0, space 0, times 0 [ 266.768075][ T2585] CPU: 1 PID: 2585 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 266.778691][ T2585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 266.788990][ T2585] Call Trace: [ 266.792265][ T2585] dump_stack_lvl+0x1e2/0x24b [ 266.797024][ T2585] ? panic+0x7d7/0x7d7 [ 266.801072][ T2585] ? bfq_pos_tree_add_move+0x43e/0x43e [ 266.806526][ T2585] ? find_next_bit+0xd6/0x120 [ 266.811268][ T2585] ? cpumask_next+0x11/0x30 [ 266.815747][ T2585] dump_stack+0x15/0x17 [ 266.820094][ T2585] should_fail+0x3c0/0x510 [ 266.824774][ T2585] ? percpu_ref_init+0xd0/0x340 [ 266.829729][ T2585] __should_failslab+0x9f/0xe0 [ 266.834715][ T2585] should_failslab+0x9/0x20 [ 266.839204][ T2585] kmem_cache_alloc_trace+0x3a/0x330 [ 266.844564][ T2585] percpu_ref_init+0xd0/0x340 [ 266.849498][ T2585] ? cgroup_setup_root+0xea0/0xea0 [ 266.854976][ T2585] cgroup_apply_control_enable+0x3a2/0x12f0 [ 266.861593][ T2585] ? cgroup_reconfigure+0xe0/0xe0 [ 266.866719][ T2585] cgroup_apply_control+0x8e/0x7e0 [ 266.871910][ T2585] ? css_next_child+0x160/0x160 [ 266.876752][ T2585] ? io_schedule+0x120/0x120 [ 266.881977][ T2585] ? kernfs_fop_write_iter+0x15e/0x410 [ 266.887522][ T2585] ? __kasan_check_write+0x14/0x20 [ 266.893086][ T2585] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 266.898375][ T2585] cgroup_subtree_control_write+0xd19/0x1310 [ 266.904494][ T2585] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.910671][ T2585] ? __kasan_check_write+0x14/0x20 [ 266.915932][ T2585] ? _copy_from_iter+0x3fb/0xd60 [ 266.921043][ T2585] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.927006][ T2585] cgroup_file_write+0x28e/0x590 [ 266.932144][ T2585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.937281][ T2585] ? mutex_trylock+0x180/0x180 [ 266.942028][ T2585] ? __kasan_check_write+0x14/0x20 [ 266.947231][ T2585] kernfs_fop_write_iter+0x2d0/0x410 [ 266.952502][ T2585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.957800][ T2585] vfs_write+0xc4a/0xf80 [ 266.962670][ T2585] ? kernel_write+0x420/0x420 [ 266.967483][ T2585] ? mutex_lock+0xb2/0x1e0 [ 266.972009][ T2585] ? mutex_trylock+0x180/0x180 [ 266.977022][ T2585] ? __fdget_pos+0x26d/0x310 [ 266.981603][ T2585] ? ksys_write+0x77/0x2c0 [ 266.986322][ T2585] ksys_write+0x198/0x2c0 [ 266.990644][ T2585] ? __ia32_sys_read+0x90/0x90 [ 266.995482][ T2585] ? debug_smp_processor_id+0x17/0x20 [ 267.000848][ T2585] __x64_sys_write+0x7b/0x90 [ 267.005692][ T2585] do_syscall_64+0x34/0x70 [ 267.010134][ T2585] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 267.016006][ T2585] RIP: 0033:0x7f6ebe11e049 [ 267.020539][ T2585] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 267.041494][ T2585] RSP: 002b:00007f6ebe073168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 267.050029][ T2585] RAX: ffffffffffffffda RBX: 00007f6ebe231030 RCX: 00007f6ebe11e049 [ 267.058776][ T2585] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 267.067044][ T2585] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 267.075299][ T2585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 267.083440][ T2585] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 267.092343][ T2587] FAULT_INJECTION: forcing a failure. [ 267.092343][ T2587] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 267.094995][ T2590] FAULT_INJECTION: forcing a failure. [ 267.094995][ T2590] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 267.112089][ T2592] FAULT_INJECTION: forcing a failure. [ 267.112089][ T2592] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 267.119172][ T2593] FAULT_INJECTION: forcing a failure. [ 267.119172][ T2593] name failslab, interval 1, probability 0, space 0, times 0 [ 267.134035][ T2592] CPU: 0 PID: 2592 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 267.155233][ T2592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 267.165382][ T2592] Call Trace: [ 267.168663][ T2592] dump_stack_lvl+0x1e2/0x24b [ 267.173420][ T2592] ? bfq_pos_tree_add_move+0x43e/0x43e [ 267.179060][ T2592] ? vsnprintf+0x1fa/0x1cd0 [ 267.183752][ T2592] dump_stack+0x15/0x17 [ 267.188017][ T2592] should_fail+0x3c0/0x510 [ 267.192532][ T2592] should_fail_usercopy+0x1a/0x20 [ 267.197552][ T2592] _copy_from_user+0x20/0xd0 [ 267.202314][ T2592] kstrtouint_from_user+0xd7/0x2b0 [ 267.207631][ T2592] ? kstrtol_from_user+0x310/0x310 [ 267.212904][ T2592] ? snprintf+0xd6/0x120 [ 267.217395][ T2592] ? avc_policy_seqno+0x1b/0x70 [ 267.222349][ T2592] ? selinux_file_permission+0x2a9/0x520 [ 267.228073][ T2592] proc_fail_nth_write+0xa5/0x290 [ 267.233219][ T2592] ? security_file_permission+0x9d/0xc0 [ 267.238806][ T2592] ? proc_fail_nth_read+0x220/0x220 [ 267.244348][ T2592] ? security_file_permission+0xa8/0xc0 [ 267.250318][ T2592] ? rw_verify_area+0x1c2/0x360 [ 267.255352][ T2592] ? proc_fail_nth_read+0x220/0x220 [ 267.260622][ T2592] vfs_write+0x39b/0xf80 [ 267.265022][ T2592] ? kernel_write+0x420/0x420 [ 267.269906][ T2592] ? __kasan_check_write+0x14/0x20 [ 267.275186][ T2592] ? mutex_lock+0xb2/0x1e0 [ 267.279584][ T2592] ? mutex_trylock+0x180/0x180 [ 267.284442][ T2592] ? __fdget_pos+0x26d/0x310 [ 267.289280][ T2592] ? ksys_write+0x77/0x2c0 [ 267.293687][ T2592] ksys_write+0x198/0x2c0 [ 267.298182][ T2592] ? __kasan_check_write+0x14/0x20 [ 267.303302][ T2592] ? __ia32_sys_read+0x90/0x90 [ 267.308336][ T2592] ? debug_smp_processor_id+0x17/0x20 [ 267.313702][ T2592] __x64_sys_write+0x7b/0x90 [ 267.318367][ T2592] do_syscall_64+0x34/0x70 [ 267.322874][ T2592] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 267.328866][ T2592] RIP: 0033:0x7f7d1c31ab5f [ 267.333263][ T2592] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 267.353234][ T2592] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 267.362066][ T2592] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 267.370130][ T2592] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 267.378340][ T2592] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 267.386639][ T2592] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 267.394874][ T2592] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 267.405946][ T2593] CPU: 1 PID: 2593 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 267.416381][ T2593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 267.426889][ T2593] Call Trace: [ 267.430165][ T2593] dump_stack_lvl+0x1e2/0x24b [ 267.434822][ T2593] ? panic+0x7d7/0x7d7 [ 267.439122][ T2593] ? bfq_pos_tree_add_move+0x43e/0x43e [ 267.444567][ T2593] ? find_next_bit+0xd6/0x120 [ 267.449280][ T2593] ? cpumask_next+0x11/0x30 [ 267.453763][ T2593] dump_stack+0x15/0x17 [ 267.457898][ T2593] should_fail+0x3c0/0x510 [ 267.462385][ T2593] ? percpu_ref_init+0xd0/0x340 [ 267.467221][ T2593] __should_failslab+0x9f/0xe0 [ 267.472141][ T2593] should_failslab+0x9/0x20 [ 267.476981][ T2593] kmem_cache_alloc_trace+0x3a/0x330 [ 267.482420][ T2593] percpu_ref_init+0xd0/0x340 [ 267.487177][ T2593] ? cgroup_setup_root+0xea0/0xea0 [ 267.492481][ T2593] cgroup_apply_control_enable+0x3a2/0x12f0 [ 267.498352][ T2593] ? cgroup_reconfigure+0xe0/0xe0 [ 267.503358][ T2593] cgroup_apply_control+0x8e/0x7e0 [ 267.508835][ T2593] ? css_next_child+0x160/0x160 [ 267.513804][ T2593] ? __schedule+0x86e/0xc00 [ 267.518500][ T2593] ? io_schedule+0x120/0x120 [ 267.523702][ T2593] ? kernfs_fop_write_iter+0x15e/0x410 [ 267.529228][ T2593] ? __kasan_check_write+0x14/0x20 [ 267.534433][ T2593] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 267.539894][ T2593] cgroup_subtree_control_write+0xd19/0x1310 [ 267.545878][ T2593] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 267.552017][ T2593] ? __kasan_check_write+0x14/0x20 [ 267.558063][ T2593] ? _copy_from_iter+0x3fb/0xd60 [ 267.563155][ T2593] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 267.569117][ T2593] cgroup_file_write+0x28e/0x590 [ 267.574039][ T2593] ? cgroup_seqfile_stop+0xc0/0xc0 [ 267.579390][ T2593] ? mutex_trylock+0x180/0x180 [ 267.584162][ T2593] ? __kasan_check_write+0x14/0x20 [ 267.589341][ T2593] kernfs_fop_write_iter+0x2d0/0x410 [ 267.594712][ T2593] ? cgroup_seqfile_stop+0xc0/0xc0 [ 267.599822][ T2593] vfs_write+0xc4a/0xf80 [ 267.604141][ T2593] ? kernel_write+0x420/0x420 [ 267.608906][ T2593] ? mutex_lock+0xb2/0x1e0 [ 267.613324][ T2593] ? mutex_trylock+0x180/0x180 [ 267.618259][ T2593] ? __fdget_pos+0x26d/0x310 [ 267.622839][ T2593] ? ksys_write+0x77/0x2c0 [ 267.627240][ T2593] ksys_write+0x198/0x2c0 [ 267.633326][ T2593] ? __kasan_check_write+0x14/0x20 [ 267.638509][ T2593] ? __ia32_sys_read+0x90/0x90 [ 267.643263][ T2593] __x64_sys_write+0x7b/0x90 [ 267.647833][ T2593] do_syscall_64+0x34/0x70 [ 267.652579][ T2593] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 267.658452][ T2593] RIP: 0033:0x7f85191c4049 [ 267.662851][ T2593] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 267.683481][ T2593] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 267.692262][ T2593] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 267.700918][ T2593] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 267.708959][ T2593] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 267.717207][ T2593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 267.725444][ T2593] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 267.733407][ T2587] CPU: 0 PID: 2587 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 267.743869][ T2587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 267.754029][ T2587] Call Trace: [ 267.757402][ T2587] dump_stack_lvl+0x1e2/0x24b [ 267.762074][ T2587] ? bfq_pos_tree_add_move+0x43e/0x43e [ 267.767749][ T2587] ? vsnprintf+0x1fa/0x1cd0 [ 267.772420][ T2587] dump_stack+0x15/0x17 [ 267.776594][ T2587] should_fail+0x3c0/0x510 [ 267.781170][ T2587] should_fail_usercopy+0x1a/0x20 [ 267.786431][ T2587] _copy_from_user+0x20/0xd0 [ 267.791189][ T2587] kstrtouint_from_user+0xd7/0x2b0 [ 267.796454][ T2587] ? kstrtol_from_user+0x310/0x310 [ 267.801548][ T2587] ? snprintf+0xd6/0x120 [ 267.806306][ T2587] ? avc_policy_seqno+0x1b/0x70 [ 267.811487][ T2587] ? selinux_file_permission+0x2a9/0x520 [ 267.817375][ T2587] proc_fail_nth_write+0xa5/0x290 [ 267.822499][ T2587] ? security_file_permission+0x9d/0xc0 [ 267.828375][ T2587] ? proc_fail_nth_read+0x220/0x220 [ 267.833566][ T2587] ? security_file_permission+0xa8/0xc0 [ 267.839608][ T2587] ? rw_verify_area+0x1c2/0x360 [ 267.844607][ T2587] ? proc_fail_nth_read+0x220/0x220 [ 267.849785][ T2587] vfs_write+0x39b/0xf80 [ 267.854290][ T2587] ? kernel_write+0x420/0x420 [ 267.860639][ T2587] ? __kasan_check_write+0x14/0x20 [ 267.865835][ T2587] ? mutex_lock+0xb2/0x1e0 [ 267.870251][ T2587] ? mutex_trylock+0x180/0x180 [ 267.877537][ T2587] ? __fdget_pos+0x26d/0x310 [ 267.882673][ T2587] ? ksys_write+0x77/0x2c0 [ 267.887448][ T2587] ksys_write+0x198/0x2c0 [ 267.891952][ T2587] ? __kasan_check_write+0x14/0x20 [ 267.898348][ T2587] ? __ia32_sys_read+0x90/0x90 [ 267.903304][ T2587] ? debug_smp_processor_id+0x17/0x20 [ 267.908685][ T2587] __x64_sys_write+0x7b/0x90 [ 267.913426][ T2587] do_syscall_64+0x34/0x70 [ 267.918010][ T2587] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 267.923975][ T2587] RIP: 0033:0x7f022ab05b5f [ 267.928370][ T2587] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 267.947953][ T2587] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 267.956631][ T2587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 267.964782][ T2587] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 267.974134][ T2587] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 267.982340][ T2587] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 267.990288][ T2587] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 268.002321][ T2590] CPU: 0 PID: 2590 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 268.012849][ T2590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 268.022911][ T2590] Call Trace: [ 268.026085][ T2598] FAULT_INJECTION: forcing a failure. 2022/08/30 17:00:08 executed programs: 994 [ 268.026085][ T2598] name failslab, interval 1, probability 0, space 0, times 0 [ 268.026331][ T2590] dump_stack_lvl+0x1e2/0x24b [ 268.026349][ T2590] ? bfq_pos_tree_add_move+0x43e/0x43e [ 268.049507][ T2590] ? vsnprintf+0x1fa/0x1cd0 [ 268.054120][ T2590] dump_stack+0x15/0x17 [ 268.058393][ T2590] should_fail+0x3c0/0x510 [ 268.062812][ T2590] should_fail_usercopy+0x1a/0x20 [ 268.067834][ T2590] _copy_from_user+0x20/0xd0 [ 268.072705][ T2590] kstrtouint_from_user+0xd7/0x2b0 [ 268.077802][ T2590] ? kstrtol_from_user+0x310/0x310 [ 268.082981][ T2590] ? snprintf+0xd6/0x120 [ 268.087216][ T2590] ? avc_policy_seqno+0x1b/0x70 [ 268.092139][ T2590] ? selinux_file_permission+0x2a9/0x520 [ 268.097761][ T2590] proc_fail_nth_write+0xa5/0x290 [ 268.102777][ T2590] ? security_file_permission+0x9d/0xc0 [ 268.108760][ T2590] ? proc_fail_nth_read+0x220/0x220 [ 268.114202][ T2590] ? security_file_permission+0xa8/0xc0 [ 268.119833][ T2590] ? rw_verify_area+0x1c2/0x360 [ 268.124671][ T2590] ? proc_fail_nth_read+0x220/0x220 [ 268.129948][ T2590] vfs_write+0x39b/0xf80 [ 268.134268][ T2590] ? kernel_write+0x420/0x420 [ 268.138948][ T2590] ? __kasan_check_write+0x14/0x20 [ 268.144181][ T2590] ? mutex_lock+0xb2/0x1e0 [ 268.148586][ T2590] ? mutex_trylock+0x180/0x180 [ 268.153466][ T2590] ? __fdget_pos+0x26d/0x310 [ 268.158051][ T2590] ? ksys_write+0x77/0x2c0 [ 268.162542][ T2590] ksys_write+0x198/0x2c0 [ 268.166858][ T2590] ? __kasan_check_write+0x14/0x20 [ 268.171970][ T2590] ? __ia32_sys_read+0x90/0x90 [ 268.176718][ T2590] ? debug_smp_processor_id+0x17/0x20 [ 268.182281][ T2590] __x64_sys_write+0x7b/0x90 [ 268.186900][ T2590] do_syscall_64+0x34/0x70 [ 268.191397][ T2590] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 268.197826][ T2590] RIP: 0033:0x7f869ba6eb5f [ 268.202253][ T2590] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 268.222163][ T2590] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 268.230580][ T2590] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 268.238716][ T2590] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 268.246927][ T2590] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 268.254969][ T2590] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 268.263009][ T2590] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 268.271237][ T2598] CPU: 1 PID: 2598 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 268.282041][ T2598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 268.292442][ T2598] Call Trace: [ 268.295807][ T2598] dump_stack_lvl+0x1e2/0x24b [ 268.301168][ T2598] ? panic+0x7d7/0x7d7 [ 268.305264][ T2598] ? bfq_pos_tree_add_move+0x43e/0x43e [ 268.310922][ T2598] ? find_next_bit+0xd6/0x120 [ 268.315772][ T2598] ? cpumask_next+0x11/0x30 [ 268.320490][ T2598] dump_stack+0x15/0x17 [ 268.324642][ T2598] should_fail+0x3c0/0x510 [ 268.329382][ T2598] ? percpu_ref_init+0xd0/0x340 [ 268.334401][ T2598] __should_failslab+0x9f/0xe0 [ 268.339504][ T2598] should_failslab+0x9/0x20 [ 268.344201][ T2598] kmem_cache_alloc_trace+0x3a/0x330 [ 268.349560][ T2598] percpu_ref_init+0xd0/0x340 [ 268.354235][ T2598] ? cgroup_setup_root+0xea0/0xea0 [ 268.360392][ T2598] cgroup_apply_control_enable+0x3a2/0x12f0 [ 268.366795][ T2598] ? cgroup_reconfigure+0xe0/0xe0 [ 268.371901][ T2598] cgroup_apply_control+0x8e/0x7e0 [ 268.377021][ T2598] ? css_next_child+0x160/0x160 [ 268.381881][ T2598] ? io_schedule+0x120/0x120 [ 268.386815][ T2598] ? kernfs_fop_write_iter+0x15e/0x410 [ 268.393136][ T2598] ? __kasan_check_write+0x14/0x20 [ 268.398794][ T2598] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 268.404474][ T2598] cgroup_subtree_control_write+0xd19/0x1310 [ 268.410617][ T2598] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.417071][ T2598] ? __kasan_check_write+0x14/0x20 [ 268.422724][ T2598] ? _copy_from_iter+0x3fb/0xd60 [ 268.428013][ T2598] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.433996][ T2598] cgroup_file_write+0x28e/0x590 [ 268.439927][ T2598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.445287][ T2598] ? mutex_trylock+0x180/0x180 [ 268.450174][ T2598] ? __kasan_check_write+0x14/0x20 [ 268.455298][ T2598] kernfs_fop_write_iter+0x2d0/0x410 [ 268.460646][ T2598] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.465743][ T2598] vfs_write+0xc4a/0xf80 [ 268.470343][ T2598] ? kernel_write+0x420/0x420 [ 268.475582][ T2598] ? mutex_lock+0xb2/0x1e0 [ 268.480812][ T2598] ? mutex_trylock+0x180/0x180 [ 268.485577][ T2598] ? __fdget_pos+0x26d/0x310 [ 268.490166][ T2598] ? ksys_write+0x77/0x2c0 [ 268.494735][ T2598] ksys_write+0x198/0x2c0 [ 268.499059][ T2598] ? __ia32_sys_read+0x90/0x90 [ 268.504289][ T2598] ? debug_smp_processor_id+0x17/0x20 [ 268.510034][ T2598] __x64_sys_write+0x7b/0x90 [ 268.514911][ T2598] do_syscall_64+0x34/0x70 [ 268.519440][ T2598] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 268.525486][ T2598] RIP: 0033:0x7f6ebe11e049 [ 268.529896][ T2598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 268.550180][ T2598] RSP: 002b:00007f6ebe094168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 268.558938][ T2598] RAX: ffffffffffffffda RBX: 00007f6ebe230f60 RCX: 00007f6ebe11e049 [ 268.567082][ T2598] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 268.575216][ T2598] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 268.583265][ T2598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 268.591266][ T2598] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 268.600253][ T2600] FAULT_INJECTION: forcing a failure. [ 268.600253][ T2600] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 268.614399][ T2602] FAULT_INJECTION: forcing a failure. [ 268.614399][ T2602] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 268.627869][ T2605] FAULT_INJECTION: forcing a failure. [ 268.627869][ T2605] name failslab, interval 1, probability 0, space 0, times 0 [ 268.628560][ T2600] CPU: 0 PID: 2600 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 268.650921][ T2600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 268.660965][ T2600] Call Trace: [ 268.664251][ T2600] dump_stack_lvl+0x1e2/0x24b [ 268.668913][ T2600] ? bfq_pos_tree_add_move+0x43e/0x43e [ 268.674381][ T2600] ? vsnprintf+0x1fa/0x1cd0 [ 268.678875][ T2600] dump_stack+0x15/0x17 [ 268.683009][ T2600] should_fail+0x3c0/0x510 [ 268.687405][ T2600] should_fail_usercopy+0x1a/0x20 [ 268.692437][ T2600] _copy_from_user+0x20/0xd0 [ 268.697010][ T2600] kstrtouint_from_user+0xd7/0x2b0 [ 268.702192][ T2600] ? kstrtol_from_user+0x310/0x310 [ 268.707311][ T2600] ? snprintf+0xd6/0x120 [ 268.711556][ T2600] ? avc_policy_seqno+0x1b/0x70 [ 268.716472][ T2600] ? selinux_file_permission+0x2a9/0x520 [ 268.722792][ T2600] proc_fail_nth_write+0xa5/0x290 [ 268.727808][ T2600] ? security_file_permission+0x9d/0xc0 [ 268.733338][ T2600] ? proc_fail_nth_read+0x220/0x220 [ 268.738868][ T2600] ? security_file_permission+0xa8/0xc0 [ 268.744394][ T2600] ? rw_verify_area+0x1c2/0x360 [ 268.749222][ T2600] ? proc_fail_nth_read+0x220/0x220 [ 268.754401][ T2600] vfs_write+0x39b/0xf80 [ 268.758711][ T2600] ? kernel_write+0x420/0x420 [ 268.763417][ T2600] ? __kasan_check_write+0x14/0x20 [ 268.768961][ T2600] ? mutex_lock+0xb2/0x1e0 [ 268.773463][ T2600] ? mutex_trylock+0x180/0x180 [ 268.778538][ T2600] ? __fdget_pos+0x26d/0x310 [ 268.784176][ T2600] ? ksys_write+0x77/0x2c0 [ 268.788806][ T2600] ksys_write+0x198/0x2c0 [ 268.793238][ T2600] ? __kasan_check_write+0x14/0x20 [ 268.798617][ T2600] ? __ia32_sys_read+0x90/0x90 [ 268.803807][ T2600] ? debug_smp_processor_id+0x17/0x20 [ 268.809348][ T2600] __x64_sys_write+0x7b/0x90 [ 268.814009][ T2600] do_syscall_64+0x34/0x70 [ 268.818443][ T2600] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 268.824402][ T2600] RIP: 0033:0x7f7d1c31ab5f [ 268.828803][ T2600] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 268.848665][ T2600] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 268.857066][ T2600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 268.865267][ T2600] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 268.873240][ T2600] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 268.881494][ T2600] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 268.889562][ T2600] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 268.897648][ T2605] CPU: 1 PID: 2605 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 268.908459][ T2605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 268.918779][ T2605] Call Trace: [ 268.922240][ T2605] dump_stack_lvl+0x1e2/0x24b [ 268.927347][ T2605] ? panic+0x7d7/0x7d7 [ 268.931418][ T2605] ? bfq_pos_tree_add_move+0x43e/0x43e [ 268.937389][ T2605] ? find_next_bit+0xd6/0x120 [ 268.942230][ T2605] ? cpumask_next+0x11/0x30 [ 268.946726][ T2605] dump_stack+0x15/0x17 [ 268.950866][ T2605] should_fail+0x3c0/0x510 [ 268.955533][ T2605] ? percpu_ref_init+0xd0/0x340 [ 268.960488][ T2605] __should_failslab+0x9f/0xe0 [ 268.965232][ T2605] should_failslab+0x9/0x20 [ 268.969734][ T2605] kmem_cache_alloc_trace+0x3a/0x330 [ 268.975106][ T2605] percpu_ref_init+0xd0/0x340 [ 268.980054][ T2605] ? cgroup_setup_root+0xea0/0xea0 [ 268.985337][ T2605] cgroup_apply_control_enable+0x3a2/0x12f0 [ 268.991214][ T2605] ? cgroup_reconfigure+0xe0/0xe0 [ 268.996593][ T2605] cgroup_apply_control+0x8e/0x7e0 [ 269.002152][ T2605] ? css_next_child+0x160/0x160 [ 269.007140][ T2605] ? io_schedule+0x120/0x120 [ 269.011831][ T2605] ? kernfs_fop_write_iter+0x15e/0x410 [ 269.017669][ T2605] ? __kasan_check_write+0x14/0x20 [ 269.022944][ T2605] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 269.028386][ T2605] cgroup_subtree_control_write+0xd19/0x1310 [ 269.034552][ T2605] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.040701][ T2605] ? __kasan_check_write+0x14/0x20 [ 269.045948][ T2605] ? _copy_from_iter+0x3fb/0xd60 [ 269.051130][ T2605] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.057121][ T2605] cgroup_file_write+0x28e/0x590 [ 269.062170][ T2605] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.067541][ T2605] ? mutex_trylock+0x180/0x180 [ 269.072405][ T2605] ? __kasan_check_write+0x14/0x20 [ 269.077573][ T2605] kernfs_fop_write_iter+0x2d0/0x410 [ 269.082847][ T2605] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.088622][ T2605] vfs_write+0xc4a/0xf80 [ 269.093111][ T2605] ? kernel_write+0x420/0x420 [ 269.099002][ T2605] ? mutex_lock+0xb2/0x1e0 [ 269.104081][ T2605] ? mutex_trylock+0x180/0x180 [ 269.108922][ T2605] ? __fdget_pos+0x26d/0x310 [ 269.113516][ T2605] ? ksys_write+0x77/0x2c0 [ 269.117950][ T2605] ksys_write+0x198/0x2c0 [ 269.122313][ T2605] ? __ia32_sys_read+0x90/0x90 [ 269.127418][ T2605] ? debug_smp_processor_id+0x17/0x20 [ 269.132775][ T2605] __x64_sys_write+0x7b/0x90 [ 269.137615][ T2605] do_syscall_64+0x34/0x70 [ 269.142292][ T2605] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 269.148255][ T2605] RIP: 0033:0x7f85191c4049 [ 269.152686][ T2605] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 269.173275][ T2605] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 269.181950][ T2605] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 269.190174][ T2605] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 269.198300][ T2605] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 269.206343][ T2605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 269.214298][ T2605] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 269.222554][ T2602] CPU: 0 PID: 2602 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 269.233185][ T2602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 269.243327][ T2602] Call Trace: [ 269.246631][ T2602] dump_stack_lvl+0x1e2/0x24b [ 269.248912][ T2614] FAULT_INJECTION: forcing a failure. [ 269.248912][ T2614] name failslab, interval 1, probability 0, space 0, times 0 [ 269.251449][ T2602] ? bfq_pos_tree_add_move+0x43e/0x43e [ 269.251461][ T2602] ? vsnprintf+0x1fa/0x1cd0 [ 269.251471][ T2602] dump_stack+0x15/0x17 [ 269.251489][ T2602] should_fail+0x3c0/0x510 [ 269.283214][ T2602] should_fail_usercopy+0x1a/0x20 [ 269.288242][ T2602] _copy_from_user+0x20/0xd0 [ 269.292901][ T2602] kstrtouint_from_user+0xd7/0x2b0 [ 269.298127][ T2602] ? kstrtol_from_user+0x310/0x310 [ 269.303395][ T2602] ? snprintf+0xd6/0x120 [ 269.307626][ T2602] ? avc_policy_seqno+0x1b/0x70 [ 269.312852][ T2602] ? selinux_file_permission+0x2a9/0x520 [ 269.318700][ T2602] proc_fail_nth_write+0xa5/0x290 [ 269.323707][ T2602] ? security_file_permission+0x9d/0xc0 [ 269.329414][ T2602] ? proc_fail_nth_read+0x220/0x220 [ 269.334722][ T2602] ? security_file_permission+0xa8/0xc0 [ 269.340250][ T2602] ? rw_verify_area+0x1c2/0x360 [ 269.345102][ T2602] ? proc_fail_nth_read+0x220/0x220 [ 269.350288][ T2602] vfs_write+0x39b/0xf80 [ 269.354621][ T2602] ? kernel_write+0x420/0x420 [ 269.359400][ T2602] ? __kasan_check_write+0x14/0x20 [ 269.364588][ T2602] ? mutex_lock+0xb2/0x1e0 [ 269.369089][ T2602] ? mutex_trylock+0x180/0x180 [ 269.374025][ T2602] ? __fdget_pos+0x26d/0x310 [ 269.378781][ T2602] ? ksys_write+0x77/0x2c0 [ 269.383356][ T2602] ksys_write+0x198/0x2c0 [ 269.387671][ T2602] ? __kasan_check_write+0x14/0x20 [ 269.392802][ T2602] ? __ia32_sys_read+0x90/0x90 [ 269.397735][ T2602] ? debug_smp_processor_id+0x17/0x20 [ 269.403091][ T2602] __x64_sys_write+0x7b/0x90 [ 269.408020][ T2602] do_syscall_64+0x34/0x70 [ 269.412528][ T2602] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 269.418406][ T2602] RIP: 0033:0x7f022ab05b5f [ 269.422806][ T2602] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 269.442759][ T2602] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 269.451361][ T2602] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 269.459497][ T2602] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 269.467454][ T2602] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 269.475739][ T2602] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 269.483826][ T2602] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 269.491931][ T2614] CPU: 1 PID: 2614 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 269.502689][ T2614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 269.512940][ T2614] Call Trace: [ 269.517277][ T2614] dump_stack_lvl+0x1e2/0x24b [ 269.521940][ T2614] ? panic+0x7d7/0x7d7 [ 269.525984][ T2614] ? bfq_pos_tree_add_move+0x43e/0x43e [ 269.531417][ T2614] ? find_next_bit+0xd6/0x120 [ 269.537613][ T2614] ? cpumask_next+0x11/0x30 [ 269.542115][ T2614] dump_stack+0x15/0x17 [ 269.546417][ T2614] should_fail+0x3c0/0x510 [ 269.550808][ T2614] ? percpu_ref_init+0xd0/0x340 [ 269.555831][ T2614] __should_failslab+0x9f/0xe0 [ 269.560597][ T2614] should_failslab+0x9/0x20 [ 269.565097][ T2614] kmem_cache_alloc_trace+0x3a/0x330 [ 269.570436][ T2614] percpu_ref_init+0xd0/0x340 [ 269.577052][ T2614] ? cgroup_setup_root+0xea0/0xea0 [ 269.582449][ T2614] cgroup_apply_control_enable+0x3a2/0x12f0 [ 269.588415][ T2614] ? cgroup_reconfigure+0xe0/0xe0 [ 269.593422][ T2614] cgroup_apply_control+0x8e/0x7e0 [ 269.598610][ T2614] ? css_next_child+0x160/0x160 [ 269.603445][ T2614] ? io_schedule+0x120/0x120 [ 269.608012][ T2614] ? kernfs_fop_write_iter+0x15e/0x410 [ 269.613801][ T2614] ? __kasan_check_write+0x14/0x20 [ 269.618971][ T2614] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 269.624318][ T2614] cgroup_subtree_control_write+0xd19/0x1310 [ 269.630277][ T2614] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.636320][ T2614] ? __kasan_check_write+0x14/0x20 [ 269.641424][ T2614] ? _copy_from_iter+0x3fb/0xd60 [ 269.646608][ T2614] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.652921][ T2614] cgroup_file_write+0x28e/0x590 [ 269.657840][ T2614] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.662926][ T2614] ? mutex_trylock+0x180/0x180 [ 269.667672][ T2614] ? __kasan_check_write+0x14/0x20 [ 269.672932][ T2614] kernfs_fop_write_iter+0x2d0/0x410 [ 269.678331][ T2614] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.683610][ T2614] vfs_write+0xc4a/0xf80 [ 269.687868][ T2614] ? kernel_write+0x420/0x420 [ 269.692634][ T2614] ? mutex_lock+0xb2/0x1e0 [ 269.697034][ T2614] ? mutex_trylock+0x180/0x180 [ 269.701963][ T2614] ? __fdget_pos+0x26d/0x310 [ 269.706634][ T2614] ? ksys_write+0x77/0x2c0 [ 269.711110][ T2614] ksys_write+0x198/0x2c0 [ 269.715413][ T2614] ? __ia32_sys_read+0x90/0x90 [ 269.720241][ T2614] ? debug_smp_processor_id+0x17/0x20 [ 269.725614][ T2614] __x64_sys_write+0x7b/0x90 [ 269.730273][ T2614] do_syscall_64+0x34/0x70 [ 269.734938][ T2614] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 269.740802][ T2614] RIP: 0033:0x7f85191c4049 [ 269.745217][ T2614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 269.765060][ T2614] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 269.773476][ T2614] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 269.781513][ T2614] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 269.789563][ T2614] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 269.797979][ T2614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 269.806098][ T2614] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 269.816348][ T2611] FAULT_INJECTION: forcing a failure. [ 269.816348][ T2611] name failslab, interval 1, probability 0, space 0, times 0 [ 269.840208][ T2611] CPU: 0 PID: 2611 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 269.850824][ T2611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 269.860869][ T2611] Call Trace: [ 269.864320][ T2611] dump_stack_lvl+0x1e2/0x24b [ 269.868993][ T2611] ? panic+0x7d7/0x7d7 [ 269.873216][ T2611] ? bfq_pos_tree_add_move+0x43e/0x43e [ 269.878887][ T2611] ? find_next_bit+0xd6/0x120 [ 269.883548][ T2611] ? cpumask_next+0x11/0x30 [ 269.888130][ T2611] dump_stack+0x15/0x17 [ 269.892287][ T2611] should_fail+0x3c0/0x510 [ 269.896873][ T2611] ? percpu_ref_init+0xd0/0x340 [ 269.902094][ T2611] __should_failslab+0x9f/0xe0 [ 269.906935][ T2611] should_failslab+0x9/0x20 [ 269.911509][ T2611] kmem_cache_alloc_trace+0x3a/0x330 [ 269.916949][ T2611] percpu_ref_init+0xd0/0x340 [ 269.921692][ T2611] ? cgroup_setup_root+0xea0/0xea0 [ 269.926971][ T2611] cgroup_apply_control_enable+0x3a2/0x12f0 [ 269.932840][ T2611] ? cgroup_reconfigure+0xe0/0xe0 [ 269.937841][ T2611] cgroup_apply_control+0x8e/0x7e0 [ 269.943025][ T2611] ? css_next_child+0x160/0x160 [ 269.947867][ T2611] ? io_schedule+0x120/0x120 [ 269.952729][ T2611] ? kernfs_fop_write_iter+0x15e/0x410 [ 269.958260][ T2611] ? __kasan_check_write+0x14/0x20 [ 269.963442][ T2611] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 269.968703][ T2611] cgroup_subtree_control_write+0xd19/0x1310 [ 269.974668][ T2611] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.980640][ T2611] ? __kasan_check_write+0x14/0x20 [ 269.985744][ T2611] ? _copy_from_iter+0x3fb/0xd60 [ 269.990663][ T2611] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.996724][ T2611] cgroup_file_write+0x28e/0x590 [ 270.001735][ T2611] ? cgroup_seqfile_stop+0xc0/0xc0 [ 270.006915][ T2611] ? mutex_trylock+0x180/0x180 [ 270.011661][ T2611] ? __kasan_check_write+0x14/0x20 [ 270.016751][ T2611] kernfs_fop_write_iter+0x2d0/0x410 [ 270.022024][ T2611] ? cgroup_seqfile_stop+0xc0/0xc0 [ 270.027290][ T2611] vfs_write+0xc4a/0xf80 [ 270.031604][ T2611] ? kernel_write+0x420/0x420 [ 270.036612][ T2611] ? mutex_lock+0xb2/0x1e0 [ 270.041359][ T2611] ? mutex_trylock+0x180/0x180 [ 270.046233][ T2611] ? __fdget_pos+0x26d/0x310 [ 270.051235][ T2611] ? ksys_write+0x77/0x2c0 [ 270.055646][ T2611] ksys_write+0x198/0x2c0 [ 270.060005][ T2611] ? __ia32_sys_read+0x90/0x90 [ 270.064751][ T2611] ? debug_smp_processor_id+0x17/0x20 [ 270.070486][ T2611] __x64_sys_write+0x7b/0x90 [ 270.075137][ T2611] do_syscall_64+0x34/0x70 [ 270.079761][ T2611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 270.085841][ T2611] RIP: 0033:0x7f6ebe11e049 [ 270.090424][ T2611] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 270.110541][ T2611] RSP: 002b:00007f6ebe073168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 270.119062][ T2611] RAX: ffffffffffffffda RBX: 00007f6ebe231030 RCX: 00007f6ebe11e049 [ 270.128081][ T2611] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 270.136320][ T2611] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 270.144545][ T2611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 270.153480][ T2611] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 270.162275][ T2616] FAULT_INJECTION: forcing a failure. [ 270.162275][ T2616] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 270.162509][ T2620] FAULT_INJECTION: forcing a failure. [ 270.162509][ T2620] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 270.176482][ T2617] FAULT_INJECTION: forcing a failure. [ 270.176482][ T2617] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 270.192935][ T2620] CPU: 1 PID: 2620 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 270.203221][ T2622] FAULT_INJECTION: forcing a failure. [ 270.203221][ T2622] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 270.213339][ T2620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 270.213344][ T2620] Call Trace: [ 270.213361][ T2620] dump_stack_lvl+0x1e2/0x24b [ 270.213372][ T2620] ? bfq_pos_tree_add_move+0x43e/0x43e [ 270.213382][ T2620] ? vsnprintf+0x1fa/0x1cd0 [ 270.213393][ T2620] dump_stack+0x15/0x17 [ 270.213402][ T2620] should_fail+0x3c0/0x510 [ 270.213411][ T2620] should_fail_usercopy+0x1a/0x20 [ 270.213420][ T2620] _copy_from_user+0x20/0xd0 [ 270.213437][ T2620] kstrtouint_from_user+0xd7/0x2b0 [ 270.279611][ T2620] ? kstrtol_from_user+0x310/0x310 [ 270.284805][ T2620] ? snprintf+0xd6/0x120 [ 270.289334][ T2620] ? avc_policy_seqno+0x1b/0x70 [ 270.294533][ T2620] ? selinux_file_permission+0x2a9/0x520 [ 270.300259][ T2620] proc_fail_nth_write+0xa5/0x290 [ 270.305791][ T2620] ? security_file_permission+0x9d/0xc0 [ 270.311497][ T2620] ? proc_fail_nth_read+0x220/0x220 [ 270.316763][ T2620] ? security_file_permission+0xa8/0xc0 [ 270.322375][ T2620] ? rw_verify_area+0x1c2/0x360 [ 270.327206][ T2620] ? proc_fail_nth_read+0x220/0x220 [ 270.332407][ T2620] vfs_write+0x39b/0xf80 [ 270.336644][ T2620] ? kernel_write+0x420/0x420 [ 270.341301][ T2620] ? __kasan_check_write+0x14/0x20 [ 270.346394][ T2620] ? mutex_lock+0xb2/0x1e0 [ 270.350787][ T2620] ? mutex_trylock+0x180/0x180 [ 270.355532][ T2620] ? __fdget_pos+0x26d/0x310 [ 270.360219][ T2620] ? ksys_write+0x77/0x2c0 [ 270.364614][ T2620] ksys_write+0x198/0x2c0 [ 270.368928][ T2620] ? __kasan_check_write+0x14/0x20 [ 270.374026][ T2620] ? __ia32_sys_read+0x90/0x90 [ 270.378906][ T2620] ? debug_smp_processor_id+0x17/0x20 [ 270.384446][ T2620] __x64_sys_write+0x7b/0x90 [ 270.389192][ T2620] do_syscall_64+0x34/0x70 [ 270.393598][ T2620] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 270.399923][ T2620] RIP: 0033:0x7f022ab05b5f [ 270.404505][ T2620] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 270.424438][ T2620] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 270.433014][ T2620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 270.441243][ T2620] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 270.449479][ T2620] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 270.457710][ T2620] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 270.465955][ T2620] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 270.474104][ T2616] CPU: 0 PID: 2616 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 270.474301][ T2624] FAULT_INJECTION: forcing a failure. [ 270.474301][ T2624] name failslab, interval 1, probability 0, space 0, times 0 [ 270.484549][ T2616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 270.484553][ T2616] Call Trace: [ 270.484570][ T2616] dump_stack_lvl+0x1e2/0x24b [ 270.484580][ T2616] ? bfq_pos_tree_add_move+0x43e/0x43e [ 270.484597][ T2616] ? vsnprintf+0x1fa/0x1cd0 [ 270.525810][ T2616] dump_stack+0x15/0x17 [ 270.529963][ T2616] should_fail+0x3c0/0x510 [ 270.534578][ T2616] should_fail_usercopy+0x1a/0x20 [ 270.539742][ T2616] _copy_from_user+0x20/0xd0 [ 270.544411][ T2616] kstrtouint_from_user+0xd7/0x2b0 [ 270.549508][ T2616] ? kstrtol_from_user+0x310/0x310 [ 270.554709][ T2616] ? snprintf+0xd6/0x120 [ 270.559324][ T2616] ? avc_policy_seqno+0x1b/0x70 [ 270.564620][ T2616] ? selinux_file_permission+0x2a9/0x520 [ 270.570440][ T2616] proc_fail_nth_write+0xa5/0x290 [ 270.575982][ T2616] ? security_file_permission+0x9d/0xc0 [ 270.581873][ T2616] ? proc_fail_nth_read+0x220/0x220 [ 270.587248][ T2616] ? security_file_permission+0xa8/0xc0 [ 270.593065][ T2616] ? rw_verify_area+0x1c2/0x360 [ 270.597923][ T2616] ? proc_fail_nth_read+0x220/0x220 [ 270.603193][ T2616] vfs_write+0x39b/0xf80 [ 270.607512][ T2616] ? kernel_write+0x420/0x420 [ 270.612307][ T2616] ? __kasan_check_write+0x14/0x20 [ 270.617575][ T2616] ? mutex_lock+0xb2/0x1e0 [ 270.621975][ T2616] ? mutex_trylock+0x180/0x180 [ 270.626810][ T2616] ? __fdget_pos+0x26d/0x310 [ 270.631930][ T2616] ? ksys_write+0x77/0x2c0 [ 270.636782][ T2616] ksys_write+0x198/0x2c0 [ 270.641844][ T2616] ? __kasan_check_write+0x14/0x20 [ 270.647327][ T2616] ? __ia32_sys_read+0x90/0x90 [ 270.652170][ T2616] ? debug_smp_processor_id+0x17/0x20 [ 270.657807][ T2616] __x64_sys_write+0x7b/0x90 [ 270.662555][ T2616] do_syscall_64+0x34/0x70 [ 270.666978][ T2616] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 270.672940][ T2616] RIP: 0033:0x7faa22393b5f [ 270.677748][ T2616] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 270.698043][ T2616] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 270.706632][ T2616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 270.714780][ T2616] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 270.723104][ T2616] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 270.731245][ T2616] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 270.739244][ T2616] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 270.747632][ T2617] CPU: 1 PID: 2617 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 270.757959][ T2617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 270.768173][ T2617] Call Trace: [ 270.771448][ T2617] dump_stack_lvl+0x1e2/0x24b [ 270.776105][ T2617] ? bfq_pos_tree_add_move+0x43e/0x43e [ 270.781540][ T2617] ? vsnprintf+0x1fa/0x1cd0 [ 270.786107][ T2617] dump_stack+0x15/0x17 [ 270.790337][ T2617] should_fail+0x3c0/0x510 [ 270.795085][ T2617] should_fail_usercopy+0x1a/0x20 [ 270.800096][ T2617] _copy_from_user+0x20/0xd0 [ 270.804765][ T2617] kstrtouint_from_user+0xd7/0x2b0 [ 270.809955][ T2617] ? kstrtol_from_user+0x310/0x310 [ 270.815127][ T2617] ? snprintf+0xd6/0x120 [ 270.819434][ T2617] ? avc_policy_seqno+0x1b/0x70 [ 270.824298][ T2617] ? selinux_file_permission+0x2a9/0x520 [ 270.830453][ T2617] proc_fail_nth_write+0xa5/0x290 [ 270.835727][ T2617] ? security_file_permission+0x9d/0xc0 [ 270.841254][ T2617] ? proc_fail_nth_read+0x220/0x220 [ 270.847036][ T2617] ? security_file_permission+0xa8/0xc0 [ 270.852559][ T2617] ? rw_verify_area+0x1c2/0x360 [ 270.857483][ T2617] ? proc_fail_nth_read+0x220/0x220 [ 270.862671][ T2617] vfs_write+0x39b/0xf80 [ 270.868937][ T2617] ? kernel_write+0x420/0x420 [ 270.873694][ T2617] ? __kasan_check_write+0x14/0x20 [ 270.879276][ T2617] ? mutex_lock+0xb2/0x1e0 [ 270.883671][ T2617] ? mutex_trylock+0x180/0x180 [ 270.889096][ T2617] ? __fdget_pos+0x26d/0x310 [ 270.893839][ T2617] ? ksys_write+0x77/0x2c0 [ 270.898230][ T2617] ksys_write+0x198/0x2c0 [ 270.902547][ T2617] ? __kasan_check_write+0x14/0x20 [ 270.907749][ T2617] ? __ia32_sys_read+0x90/0x90 [ 270.912670][ T2617] ? debug_smp_processor_id+0x17/0x20 [ 270.918031][ T2617] __x64_sys_write+0x7b/0x90 [ 270.922686][ T2617] do_syscall_64+0x34/0x70 [ 270.927436][ T2617] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 270.933328][ T2617] RIP: 0033:0x7f7d1c31ab5f [ 270.937739][ T2617] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 270.957804][ T2617] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 270.966369][ T2617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 270.974319][ T2617] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 270.982613][ T2617] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 270.990747][ T2617] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 270.998792][ T2617] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 271.007344][ T2624] CPU: 1 PID: 2624 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 271.018094][ T2624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 271.028259][ T2624] Call Trace: [ 271.031724][ T2624] dump_stack_lvl+0x1e2/0x24b [ 271.036482][ T2624] ? panic+0x7d7/0x7d7 [ 271.041142][ T2624] ? bfq_pos_tree_add_move+0x43e/0x43e [ 271.046693][ T2624] ? find_next_bit+0xd6/0x120 [ 271.051434][ T2624] ? cpumask_next+0x11/0x30 [ 271.056091][ T2624] dump_stack+0x15/0x17 [ 271.061418][ T2624] should_fail+0x3c0/0x510 [ 271.065911][ T2624] ? percpu_ref_init+0xd0/0x340 [ 271.070829][ T2624] __should_failslab+0x9f/0xe0 [ 271.075683][ T2624] should_failslab+0x9/0x20 [ 271.080569][ T2624] kmem_cache_alloc_trace+0x3a/0x330 [ 271.086112][ T2624] percpu_ref_init+0xd0/0x340 [ 271.090949][ T2624] ? cgroup_setup_root+0xea0/0xea0 [ 271.096076][ T2624] cgroup_apply_control_enable+0x3a2/0x12f0 [ 271.102049][ T2624] ? cgroup_reconfigure+0xe0/0xe0 [ 271.107179][ T2624] cgroup_apply_control+0x8e/0x7e0 [ 271.112279][ T2624] ? css_next_child+0x160/0x160 [ 271.117109][ T2624] ? io_schedule+0x120/0x120 [ 271.121855][ T2624] ? kernfs_fop_write_iter+0x15e/0x410 [ 271.127550][ T2624] ? __kasan_check_write+0x14/0x20 [ 271.132723][ T2624] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 271.138135][ T2624] cgroup_subtree_control_write+0xd19/0x1310 [ 271.144251][ T2624] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.150436][ T2624] ? __kasan_check_write+0x14/0x20 [ 271.156814][ T2624] ? _copy_from_iter+0x3fb/0xd60 [ 271.161818][ T2624] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.168062][ T2624] cgroup_file_write+0x28e/0x590 [ 271.173150][ T2624] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.178346][ T2624] ? mutex_trylock+0x180/0x180 [ 271.183100][ T2624] ? __kasan_check_write+0x14/0x20 [ 271.188187][ T2624] kernfs_fop_write_iter+0x2d0/0x410 [ 271.193666][ T2624] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.198755][ T2624] vfs_write+0xc4a/0xf80 [ 271.203244][ T2624] ? kernel_write+0x420/0x420 [ 271.207917][ T2624] ? mutex_lock+0xb2/0x1e0 [ 271.212494][ T2624] ? mutex_trylock+0x180/0x180 [ 271.217335][ T2624] ? __fdget_pos+0x26d/0x310 [ 271.222173][ T2624] ? ksys_write+0x77/0x2c0 [ 271.226846][ T2624] ksys_write+0x198/0x2c0 [ 271.231238][ T2624] ? __ia32_sys_read+0x90/0x90 [ 271.236066][ T2624] ? debug_smp_processor_id+0x17/0x20 [ 271.241792][ T2624] __x64_sys_write+0x7b/0x90 [ 271.246554][ T2624] do_syscall_64+0x34/0x70 [ 271.250947][ T2624] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 271.256989][ T2624] RIP: 0033:0x7f85191c4049 [ 271.261474][ T2624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 271.281339][ T2624] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 271.289814][ T2624] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 271.297851][ T2624] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 271.307134][ T2624] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 271.315201][ T2624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 271.323548][ T2624] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 271.331839][ T2622] CPU: 0 PID: 2622 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 271.334459][ T2627] FAULT_INJECTION: forcing a failure. [ 271.334459][ T2627] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 271.342304][ T2622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 271.342310][ T2622] Call Trace: [ 271.342333][ T2622] dump_stack_lvl+0x1e2/0x24b [ 271.342344][ T2622] ? bfq_pos_tree_add_move+0x43e/0x43e [ 271.342354][ T2622] ? vsnprintf+0x1fa/0x1cd0 [ 271.342363][ T2622] dump_stack+0x15/0x17 [ 271.342371][ T2622] should_fail+0x3c0/0x510 [ 271.342380][ T2622] should_fail_usercopy+0x1a/0x20 [ 271.342389][ T2622] _copy_from_user+0x20/0xd0 [ 271.342407][ T2622] kstrtouint_from_user+0xd7/0x2b0 [ 271.415496][ T2622] ? kstrtol_from_user+0x310/0x310 [ 271.420713][ T2622] ? snprintf+0xd6/0x120 [ 271.425036][ T2622] ? avc_policy_seqno+0x1b/0x70 [ 271.429979][ T2622] ? selinux_file_permission+0x2a9/0x520 [ 271.435721][ T2622] proc_fail_nth_write+0xa5/0x290 [ 271.441697][ T2622] ? security_file_permission+0x9d/0xc0 [ 271.447519][ T2622] ? proc_fail_nth_read+0x220/0x220 [ 271.452793][ T2622] ? security_file_permission+0xa8/0xc0 [ 271.458601][ T2622] ? rw_verify_area+0x1c2/0x360 [ 271.463538][ T2622] ? proc_fail_nth_read+0x220/0x220 [ 271.468728][ T2622] vfs_write+0x39b/0xf80 [ 271.473219][ T2622] ? kernel_write+0x420/0x420 [ 271.478115][ T2622] ? __kasan_check_write+0x14/0x20 [ 271.483413][ T2622] ? mutex_lock+0xb2/0x1e0 [ 271.488016][ T2622] ? mutex_trylock+0x180/0x180 [ 271.492770][ T2622] ? __fdget_pos+0x26d/0x310 [ 271.497378][ T2622] ? ksys_write+0x77/0x2c0 [ 271.501909][ T2622] ksys_write+0x198/0x2c0 [ 271.506325][ T2622] ? __kasan_check_write+0x14/0x20 [ 271.511680][ T2622] ? __ia32_sys_read+0x90/0x90 [ 271.516718][ T2622] ? debug_smp_processor_id+0x17/0x20 [ 271.522182][ T2622] __x64_sys_write+0x7b/0x90 [ 271.526756][ T2622] do_syscall_64+0x34/0x70 [ 271.531269][ T2622] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 271.537335][ T2622] RIP: 0033:0x7f869ba6eb5f [ 271.541867][ T2622] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 271.561725][ T2622] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 271.570158][ T2622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 271.578128][ T2622] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 271.586448][ T2622] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 271.594632][ T2622] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 271.602795][ T2622] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 271.611199][ T2627] CPU: 1 PID: 2627 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 271.621524][ T2627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 271.631656][ T2627] Call Trace: [ 271.634934][ T2627] dump_stack_lvl+0x1e2/0x24b [ 271.639762][ T2627] ? bfq_pos_tree_add_move+0x43e/0x43e [ 271.645369][ T2627] ? switch_mm_irqs_off+0x63f/0x990 [ 271.651162][ T2627] dump_stack+0x15/0x17 [ 271.655330][ T2627] should_fail+0x3c0/0x510 [ 271.659912][ T2627] should_fail_alloc_page+0x50/0x60 [ 271.665186][ T2627] __alloc_pages_nodemask+0x1c0/0x890 [ 271.670743][ T2627] ? __kasan_check_write+0x14/0x20 [ 271.675830][ T2627] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 271.681374][ T2627] ? schedule+0x162/0x1e0 [ 271.685679][ T2627] ? __mutex_lock+0xbd6/0x1370 [ 271.690417][ T2627] allocate_slab+0x78/0x540 [ 271.695014][ T2627] ___slab_alloc+0x131/0x2e0 [ 271.699583][ T2627] ? pids_css_alloc+0x4e/0x120 [ 271.704407][ T2627] __slab_alloc+0x63/0xa0 [ 271.708994][ T2627] ? pids_css_alloc+0x4e/0x120 [ 271.713921][ T2627] kmem_cache_alloc_trace+0x20e/0x330 [ 271.719356][ T2627] ? pids_css_alloc+0x4e/0x120 [ 271.724279][ T2627] pids_css_alloc+0x4e/0x120 [ 271.729016][ T2627] cgroup_apply_control_enable+0x350/0x12f0 [ 271.736472][ T2627] ? cgroup_reconfigure+0xe0/0xe0 [ 271.741661][ T2627] cgroup_apply_control+0x8e/0x7e0 [ 271.746780][ T2627] ? css_next_child+0x160/0x160 [ 271.751604][ T2627] ? io_schedule+0x120/0x120 [ 271.756169][ T2627] ? kernfs_fop_write_iter+0x15e/0x410 [ 271.761603][ T2627] ? __kasan_check_write+0x14/0x20 [ 271.766711][ T2627] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 271.771993][ T2627] cgroup_subtree_control_write+0xd19/0x1310 [ 271.777950][ T2627] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.784411][ T2627] ? __kasan_check_write+0x14/0x20 [ 271.789619][ T2627] ? _copy_from_iter+0x3fb/0xd60 [ 271.794751][ T2627] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.800893][ T2627] cgroup_file_write+0x28e/0x590 [ 271.805828][ T2627] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.811013][ T2627] ? mutex_trylock+0x180/0x180 [ 271.815924][ T2627] ? __kasan_check_write+0x14/0x20 [ 271.821009][ T2627] kernfs_fop_write_iter+0x2d0/0x410 [ 271.826384][ T2627] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.831693][ T2627] vfs_write+0xc4a/0xf80 [ 271.835999][ T2627] ? kernel_write+0x420/0x420 [ 271.840743][ T2627] ? mutex_lock+0xb2/0x1e0 [ 271.845134][ T2627] ? mutex_trylock+0x180/0x180 [ 271.849889][ T2627] ? __fdget_pos+0x26d/0x310 [ 271.854482][ T2627] ? ksys_write+0x77/0x2c0 [ 271.858995][ T2627] ksys_write+0x198/0x2c0 [ 271.863364][ T2627] ? __ia32_sys_read+0x90/0x90 [ 271.868113][ T2627] ? debug_smp_processor_id+0x17/0x20 [ 271.873787][ T2627] __x64_sys_write+0x7b/0x90 [ 271.878364][ T2627] do_syscall_64+0x34/0x70 [ 271.882787][ T2627] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 271.888749][ T2627] RIP: 0033:0x7f6ebe11e049 [ 271.893164][ T2627] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 271.914157][ T2627] RSP: 002b:00007f6ebe073168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 271.922754][ T2627] RAX: ffffffffffffffda RBX: 00007f6ebe231030 RCX: 00007f6ebe11e049 [ 271.930707][ T2627] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 271.938773][ T2627] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 271.947130][ T2627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 271.955361][ T2627] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 271.977596][ T2629] FAULT_INJECTION: forcing a failure. [ 271.977596][ T2629] name failslab, interval 1, probability 0, space 0, times 0 [ 271.991213][ T2629] CPU: 0 PID: 2629 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 272.003291][ T2629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 272.014238][ T2629] Call Trace: [ 272.017731][ T2629] dump_stack_lvl+0x1e2/0x24b [ 272.022389][ T2629] ? panic+0x7d7/0x7d7 [ 272.026566][ T2629] ? bfq_pos_tree_add_move+0x43e/0x43e [ 272.032389][ T2629] ? find_next_bit+0xd6/0x120 [ 272.037443][ T2629] ? cpumask_next+0x11/0x30 [ 272.042412][ T2629] dump_stack+0x15/0x17 [ 272.046642][ T2629] should_fail+0x3c0/0x510 [ 272.051163][ T2629] ? percpu_ref_init+0xd0/0x340 [ 272.056221][ T2629] __should_failslab+0x9f/0xe0 [ 272.061141][ T2629] should_failslab+0x9/0x20 [ 272.065728][ T2629] kmem_cache_alloc_trace+0x3a/0x330 [ 272.071269][ T2629] percpu_ref_init+0xd0/0x340 [ 272.075980][ T2629] ? cgroup_setup_root+0xea0/0xea0 [ 272.081577][ T2629] cgroup_apply_control_enable+0x3a2/0x12f0 [ 272.087454][ T2629] ? cgroup_reconfigure+0xe0/0xe0 [ 272.092702][ T2629] cgroup_apply_control+0x8e/0x7e0 [ 272.098167][ T2629] ? css_next_child+0x160/0x160 [ 272.103292][ T2629] ? io_schedule+0x120/0x120 [ 272.108015][ T2629] ? kernfs_fop_write_iter+0x15e/0x410 [ 272.113633][ T2629] ? __kasan_check_write+0x14/0x20 [ 272.118738][ T2629] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 272.124461][ T2629] cgroup_subtree_control_write+0xd19/0x1310 [ 272.131165][ T2629] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 272.137311][ T2629] ? __kasan_check_write+0x14/0x20 [ 272.142417][ T2629] ? _copy_from_iter+0x3fb/0xd60 [ 272.147421][ T2629] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 272.153488][ T2629] cgroup_file_write+0x28e/0x590 [ 272.158413][ T2629] ? cgroup_seqfile_stop+0xc0/0xc0 [ 272.163614][ T2629] ? mutex_trylock+0x180/0x180 [ 272.168637][ T2629] ? __kasan_check_write+0x14/0x20 [ 272.173768][ T2629] kernfs_fop_write_iter+0x2d0/0x410 [ 272.179166][ T2629] ? cgroup_seqfile_stop+0xc0/0xc0 [ 272.184481][ T2629] vfs_write+0xc4a/0xf80 [ 272.188805][ T2629] ? kernel_write+0x420/0x420 [ 272.193473][ T2629] ? mutex_lock+0xb2/0x1e0 [ 272.198064][ T2629] ? mutex_trylock+0x180/0x180 [ 272.202900][ T2629] ? __fdget_pos+0x26d/0x310 [ 272.207469][ T2629] ? ksys_write+0x77/0x2c0 [ 272.211882][ T2629] ksys_write+0x198/0x2c0 [ 272.216300][ T2629] ? __ia32_sys_read+0x90/0x90 [ 272.221924][ T2629] ? debug_smp_processor_id+0x17/0x20 [ 272.227373][ T2629] __x64_sys_write+0x7b/0x90 [ 272.231993][ T2629] do_syscall_64+0x34/0x70 [ 272.236916][ T2629] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 272.243073][ T2629] RIP: 0033:0x7f85191c4049 [ 272.247564][ T2629] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 272.269011][ T2629] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 272.278327][ T2629] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 272.286426][ T2629] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 272.294473][ T2629] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 272.302550][ T2629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 272.310722][ T2629] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 272.320569][ T2635] FAULT_INJECTION: forcing a failure. [ 272.320569][ T2635] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 272.323039][ T2638] FAULT_INJECTION: forcing a failure. [ 272.323039][ T2638] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 272.345245][ T2633] FAULT_INJECTION: forcing a failure. [ 272.345245][ T2633] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 272.350366][ T2635] CPU: 0 PID: 2635 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 272.366575][ T2642] FAULT_INJECTION: forcing a failure. [ 272.366575][ T2642] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 272.375680][ T2635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 272.375686][ T2635] Call Trace: [ 272.375707][ T2635] dump_stack_lvl+0x1e2/0x24b [ 272.375718][ T2635] ? bfq_pos_tree_add_move+0x43e/0x43e [ 272.375726][ T2635] ? vsnprintf+0x1fa/0x1cd0 [ 272.375736][ T2635] dump_stack+0x15/0x17 [ 272.375745][ T2635] should_fail+0x3c0/0x510 [ 272.375754][ T2635] should_fail_usercopy+0x1a/0x20 [ 272.375763][ T2635] _copy_from_user+0x20/0xd0 [ 272.375771][ T2635] kstrtouint_from_user+0xd7/0x2b0 [ 272.375790][ T2635] ? kstrtol_from_user+0x310/0x310 [ 272.437518][ T2640] FAULT_INJECTION: forcing a failure. [ 272.437518][ T2640] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 272.437893][ T2635] ? snprintf+0xd6/0x120 [ 272.465787][ T2635] ? avc_policy_seqno+0x1b/0x70 [ 272.470817][ T2635] ? selinux_file_permission+0x2a9/0x520 [ 272.476525][ T2635] proc_fail_nth_write+0xa5/0x290 [ 272.481541][ T2635] ? security_file_permission+0x9d/0xc0 [ 272.487071][ T2635] ? proc_fail_nth_read+0x220/0x220 [ 272.492344][ T2635] ? security_file_permission+0xa8/0xc0 [ 272.498574][ T2635] ? rw_verify_area+0x1c2/0x360 [ 272.503410][ T2635] ? proc_fail_nth_read+0x220/0x220 [ 272.508789][ T2635] vfs_write+0x39b/0xf80 [ 272.513119][ T2635] ? kernel_write+0x420/0x420 [ 272.517777][ T2635] ? __kasan_check_write+0x14/0x20 [ 272.522941][ T2635] ? mutex_lock+0xb2/0x1e0 [ 272.527431][ T2635] ? mutex_trylock+0x180/0x180 [ 272.532184][ T2635] ? __fdget_pos+0x26d/0x310 [ 272.536845][ T2635] ? ksys_write+0x77/0x2c0 [ 272.541334][ T2635] ksys_write+0x198/0x2c0 [ 272.545669][ T2635] ? __kasan_check_write+0x14/0x20 [ 272.550810][ T2635] ? __ia32_sys_read+0x90/0x90 [ 272.555858][ T2635] ? debug_smp_processor_id+0x17/0x20 [ 272.561242][ T2635] __x64_sys_write+0x7b/0x90 [ 272.565962][ T2635] do_syscall_64+0x34/0x70 [ 272.570642][ T2635] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 272.576640][ T2635] RIP: 0033:0x7f022ab05b5f [ 272.581072][ T2635] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 272.601222][ T2635] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 272.609623][ T2635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 272.617758][ T2635] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 272.625808][ T2635] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 272.633950][ T2635] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 272.642014][ T2635] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 272.650357][ T2640] CPU: 1 PID: 2640 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 272.660764][ T2640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 272.670905][ T2640] Call Trace: [ 272.674491][ T2640] dump_stack_lvl+0x1e2/0x24b [ 272.679182][ T2640] ? bfq_pos_tree_add_move+0x43e/0x43e [ 272.685039][ T2640] ? vsnprintf+0x1fa/0x1cd0 [ 272.689983][ T2640] dump_stack+0x15/0x17 [ 272.694488][ T2640] should_fail+0x3c0/0x510 [ 272.699055][ T2640] should_fail_usercopy+0x1a/0x20 [ 272.703776][ T2645] FAULT_INJECTION: forcing a failure. [ 272.703776][ T2645] name failslab, interval 1, probability 0, space 0, times 0 [ 272.704164][ T2640] _copy_from_user+0x20/0xd0 [ 272.704175][ T2640] kstrtouint_from_user+0xd7/0x2b0 [ 272.704192][ T2640] ? kstrtol_from_user+0x310/0x310 [ 272.732228][ T2640] ? snprintf+0xd6/0x120 [ 272.736458][ T2640] ? avc_policy_seqno+0x1b/0x70 [ 272.741482][ T2640] ? selinux_file_permission+0x2a9/0x520 [ 272.747112][ T2640] proc_fail_nth_write+0xa5/0x290 [ 272.752118][ T2640] ? security_file_permission+0x9d/0xc0 [ 272.758003][ T2640] ? proc_fail_nth_read+0x220/0x220 [ 272.763180][ T2640] ? security_file_permission+0xa8/0xc0 [ 272.768751][ T2640] ? rw_verify_area+0x1c2/0x360 [ 272.773891][ T2640] ? proc_fail_nth_read+0x220/0x220 [ 272.779182][ T2640] vfs_write+0x39b/0xf80 [ 272.783502][ T2640] ? kernel_write+0x420/0x420 [ 272.788502][ T2640] ? __kasan_check_write+0x14/0x20 [ 272.794160][ T2640] ? mutex_lock+0xb2/0x1e0 [ 272.798769][ T2640] ? mutex_trylock+0x180/0x180 [ 272.803620][ T2640] ? __fdget_pos+0x26d/0x310 [ 272.808479][ T2640] ? ksys_write+0x77/0x2c0 [ 272.812897][ T2640] ksys_write+0x198/0x2c0 [ 272.817315][ T2640] ? __kasan_check_write+0x14/0x20 [ 272.822935][ T2640] ? __ia32_sys_read+0x90/0x90 [ 272.827689][ T2640] ? debug_smp_processor_id+0x17/0x20 [ 272.833064][ T2640] __x64_sys_write+0x7b/0x90 [ 272.837640][ T2640] do_syscall_64+0x34/0x70 [ 272.842041][ T2640] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 272.848084][ T2640] RIP: 0033:0x7f6ebe0d0b5f [ 272.852667][ T2640] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 272.873161][ T2640] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 272.881565][ T2640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 272.889719][ T2640] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 272.897763][ T2640] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 272.906350][ T2640] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 272.914735][ T2640] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 272.922821][ T2642] CPU: 0 PID: 2642 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 272.933326][ T2642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 272.943455][ T2642] Call Trace: [ 272.946750][ T2642] dump_stack_lvl+0x1e2/0x24b [ 272.951414][ T2642] ? bfq_pos_tree_add_move+0x43e/0x43e [ 272.956858][ T2642] ? vsnprintf+0x1fa/0x1cd0 [ 272.961348][ T2642] dump_stack+0x15/0x17 [ 272.965486][ T2642] should_fail+0x3c0/0x510 [ 272.971381][ T2642] should_fail_usercopy+0x1a/0x20 [ 272.976542][ T2642] _copy_from_user+0x20/0xd0 [ 272.981209][ T2642] kstrtouint_from_user+0xd7/0x2b0 [ 272.986328][ T2642] ? kstrtol_from_user+0x310/0x310 [ 272.991610][ T2642] ? snprintf+0xd6/0x120 [ 272.996011][ T2642] ? avc_policy_seqno+0x1b/0x70 [ 273.000968][ T2642] ? selinux_file_permission+0x2a9/0x520 [ 273.006767][ T2642] proc_fail_nth_write+0xa5/0x290 [ 273.011804][ T2642] ? security_file_permission+0x9d/0xc0 [ 273.017335][ T2642] ? proc_fail_nth_read+0x220/0x220 [ 273.023940][ T2642] ? security_file_permission+0xa8/0xc0 [ 273.029563][ T2642] ? rw_verify_area+0x1c2/0x360 [ 273.034389][ T2642] ? proc_fail_nth_read+0x220/0x220 [ 273.039564][ T2642] vfs_write+0x39b/0xf80 [ 273.043797][ T2642] ? kernel_write+0x420/0x420 [ 273.048554][ T2642] ? __kasan_check_write+0x14/0x20 [ 273.053649][ T2642] ? mutex_lock+0xb2/0x1e0 [ 273.058217][ T2642] ? mutex_trylock+0x180/0x180 [ 273.063046][ T2642] ? __fdget_pos+0x26d/0x310 [ 273.067617][ T2642] ? ksys_write+0x77/0x2c0 [ 273.072096][ T2642] ksys_write+0x198/0x2c0 [ 273.076402][ T2642] ? __ia32_sys_read+0x90/0x90 [ 273.081152][ T2642] ? debug_smp_processor_id+0x17/0x20 [ 273.086528][ T2642] __x64_sys_write+0x7b/0x90 [ 273.091188][ T2642] do_syscall_64+0x34/0x70 [ 273.096188][ T2642] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 273.102054][ T2642] RIP: 0033:0x7faa22393b5f [ 273.106539][ T2642] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 273.126399][ T2642] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 273.134798][ T2642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 273.143194][ T2642] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 273.155933][ T2642] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 273.164174][ T2642] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 273.172152][ T2642] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 273.180780][ T2645] CPU: 1 PID: 2645 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 273.192001][ T2645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 273.203353][ T2645] Call Trace: [ 273.207058][ T2645] dump_stack_lvl+0x1e2/0x24b [ 273.211836][ T2645] ? panic+0x7d7/0x7d7 [ 273.216005][ T2645] ? bfq_pos_tree_add_move+0x43e/0x43e [ 273.221724][ T2645] ? find_next_bit+0xd6/0x120 [ 273.227013][ T2645] ? cpumask_next+0x11/0x30 [ 273.231879][ T2645] dump_stack+0x15/0x17 [ 273.236024][ T2645] should_fail+0x3c0/0x510 [ 273.240508][ T2645] ? percpu_ref_init+0xd0/0x340 [ 273.245446][ T2645] __should_failslab+0x9f/0xe0 [ 273.250211][ T2645] should_failslab+0x9/0x20 [ 273.254791][ T2645] kmem_cache_alloc_trace+0x3a/0x330 [ 273.260056][ T2645] percpu_ref_init+0xd0/0x340 [ 273.264722][ T2645] ? cgroup_setup_root+0xea0/0xea0 [ 273.269864][ T2645] cgroup_apply_control_enable+0x3a2/0x12f0 [ 273.275908][ T2645] ? cgroup_reconfigure+0xe0/0xe0 [ 273.281126][ T2645] cgroup_apply_control+0x8e/0x7e0 [ 273.286744][ T2645] ? css_next_child+0x160/0x160 [ 273.291947][ T2645] ? io_schedule+0x120/0x120 [ 273.296641][ T2645] ? kernfs_fop_write_iter+0x15e/0x410 [ 273.302083][ T2645] ? __kasan_check_write+0x14/0x20 [ 273.307266][ T2645] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 273.312706][ T2645] cgroup_subtree_control_write+0xd19/0x1310 [ 273.318840][ T2645] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 273.324800][ T2645] ? __kasan_check_write+0x14/0x20 [ 273.329979][ T2645] ? _copy_from_iter+0x3fb/0xd60 [ 273.335202][ T2645] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 273.343739][ T2645] cgroup_file_write+0x28e/0x590 [ 273.348704][ T2645] ? cgroup_seqfile_stop+0xc0/0xc0 [ 273.354011][ T2645] ? mutex_trylock+0x180/0x180 [ 273.358771][ T2645] ? __kasan_check_write+0x14/0x20 [ 273.364076][ T2645] kernfs_fop_write_iter+0x2d0/0x410 [ 273.369458][ T2645] ? cgroup_seqfile_stop+0xc0/0xc0 [ 273.374742][ T2645] vfs_write+0xc4a/0xf80 [ 273.379066][ T2645] ? kernel_write+0x420/0x420 [ 273.383949][ T2645] ? mutex_lock+0xb2/0x1e0 [ 273.388618][ T2645] ? mutex_trylock+0x180/0x180 [ 273.393564][ T2645] ? __fdget_pos+0x26d/0x310 [ 273.398318][ T2645] ? ksys_write+0x77/0x2c0 [ 273.403140][ T2645] ksys_write+0x198/0x2c0 [ 273.407485][ T2645] ? __ia32_sys_read+0x90/0x90 [ 273.412525][ T2645] ? debug_smp_processor_id+0x17/0x20 [ 273.418355][ T2645] __x64_sys_write+0x7b/0x90 [ 273.423127][ T2645] do_syscall_64+0x34/0x70 [ 273.427758][ T2645] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 273.433803][ T2645] RIP: 0033:0x7f85191c4049 [ 273.439964][ T2645] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 273.460925][ T2645] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 273.470191][ T2645] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 273.478932][ T2645] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 273.487242][ T2645] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 273.495314][ T2645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 2022/08/30 17:00:14 executed programs: 1013 [ 273.503546][ T2645] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 273.511605][ T2633] CPU: 0 PID: 2633 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 273.522757][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 273.533245][ T2633] Call Trace: [ 273.537234][ T2633] dump_stack_lvl+0x1e2/0x24b [ 273.542079][ T2633] ? bfq_pos_tree_add_move+0x43e/0x43e [ 273.547616][ T2633] ? vsnprintf+0x1fa/0x1cd0 [ 273.552193][ T2633] dump_stack+0x15/0x17 [ 273.556608][ T2633] should_fail+0x3c0/0x510 [ 273.561005][ T2633] should_fail_usercopy+0x1a/0x20 [ 273.566095][ T2633] _copy_from_user+0x20/0xd0 [ 273.568694][ T2650] FAULT_INJECTION: forcing a failure. [ 273.568694][ T2650] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 273.570678][ T2633] kstrtouint_from_user+0xd7/0x2b0 [ 273.585134][ T2651] FAULT_INJECTION: forcing a failure. [ 273.585134][ T2651] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 273.589533][ T2633] ? kstrtol_from_user+0x310/0x310 [ 273.608378][ T2633] ? snprintf+0xd6/0x120 [ 273.612622][ T2633] ? avc_policy_seqno+0x1b/0x70 [ 273.617759][ T2633] ? selinux_file_permission+0x2a9/0x520 [ 273.623478][ T2633] proc_fail_nth_write+0xa5/0x290 [ 273.628729][ T2633] ? security_file_permission+0x9d/0xc0 [ 273.634597][ T2633] ? proc_fail_nth_read+0x220/0x220 [ 273.639970][ T2633] ? security_file_permission+0xa8/0xc0 [ 273.645603][ T2633] ? rw_verify_area+0x1c2/0x360 [ 273.650447][ T2633] ? proc_fail_nth_read+0x220/0x220 [ 273.655880][ T2633] vfs_write+0x39b/0xf80 [ 273.660131][ T2633] ? kernel_write+0x420/0x420 [ 273.664909][ T2633] ? __kasan_check_write+0x14/0x20 [ 273.670373][ T2633] ? mutex_lock+0xb2/0x1e0 [ 273.674953][ T2633] ? mutex_trylock+0x180/0x180 [ 273.680135][ T2633] ? __fdget_pos+0x26d/0x310 [ 273.685687][ T2633] ? ksys_write+0x77/0x2c0 [ 273.690102][ T2633] ksys_write+0x198/0x2c0 [ 273.694431][ T2633] ? __kasan_check_write+0x14/0x20 [ 273.699565][ T2633] ? __ia32_sys_read+0x90/0x90 [ 273.704497][ T2633] ? debug_smp_processor_id+0x17/0x20 [ 273.710111][ T2633] __x64_sys_write+0x7b/0x90 [ 273.715286][ T2633] do_syscall_64+0x34/0x70 [ 273.719687][ T2633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 273.725642][ T2633] RIP: 0033:0x7f7d1c31ab5f [ 273.730055][ T2633] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 273.750005][ T2633] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 273.758404][ T2633] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 273.766455][ T2633] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 273.774510][ T2633] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 273.782642][ T2633] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 273.790942][ T2633] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 273.799556][ T2651] CPU: 0 PID: 2651 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 273.809986][ T2651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 273.820029][ T2651] Call Trace: [ 273.823743][ T2651] dump_stack_lvl+0x1e2/0x24b [ 273.828407][ T2651] ? bfq_pos_tree_add_move+0x43e/0x43e [ 273.833932][ T2651] ? vsnprintf+0x1fa/0x1cd0 [ 273.838712][ T2651] dump_stack+0x15/0x17 [ 273.842956][ T2651] should_fail+0x3c0/0x510 [ 273.847371][ T2651] should_fail_usercopy+0x1a/0x20 [ 273.852375][ T2651] _copy_from_user+0x20/0xd0 [ 273.856945][ T2651] kstrtouint_from_user+0xd7/0x2b0 [ 273.862128][ T2651] ? kstrtol_from_user+0x310/0x310 [ 273.866795][ T2654] FAULT_INJECTION: forcing a failure. [ 273.866795][ T2654] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 273.867361][ T2651] ? snprintf+0xd6/0x120 [ 273.867380][ T2651] ? avc_policy_seqno+0x1b/0x70 [ 273.882236][ T2655] FAULT_INJECTION: forcing a failure. [ 273.882236][ T2655] name failslab, interval 1, probability 0, space 0, times 0 [ 273.884603][ T2651] ? selinux_file_permission+0x2a9/0x520 [ 273.884620][ T2651] proc_fail_nth_write+0xa5/0x290 [ 273.914026][ T2651] ? security_file_permission+0x9d/0xc0 [ 273.919740][ T2651] ? proc_fail_nth_read+0x220/0x220 [ 273.926520][ T2651] ? security_file_permission+0xa8/0xc0 [ 273.932046][ T2651] ? rw_verify_area+0x1c2/0x360 [ 273.936993][ T2651] ? proc_fail_nth_read+0x220/0x220 [ 273.942172][ T2651] vfs_write+0x39b/0xf80 [ 273.946416][ T2651] ? kernel_write+0x420/0x420 [ 273.951092][ T2651] ? __kasan_check_write+0x14/0x20 [ 273.956193][ T2651] ? mutex_lock+0xb2/0x1e0 [ 273.960744][ T2651] ? mutex_trylock+0x180/0x180 [ 273.965506][ T2651] ? __fdget_pos+0x26d/0x310 [ 273.970203][ T2651] ? ksys_write+0x77/0x2c0 [ 273.974659][ T2651] ksys_write+0x198/0x2c0 [ 273.979370][ T2651] ? __ia32_sys_read+0x90/0x90 [ 273.984482][ T2651] ? debug_smp_processor_id+0x17/0x20 [ 273.989858][ T2651] __x64_sys_write+0x7b/0x90 [ 273.994497][ T2651] do_syscall_64+0x34/0x70 [ 273.999173][ T2651] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 274.005349][ T2651] RIP: 0033:0x7f6ebe0d0b5f [ 274.009867][ T2651] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 274.030018][ T2651] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 274.038595][ T2651] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 274.046754][ T2651] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 274.054802][ T2651] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.062878][ T2651] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 274.071055][ T2651] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 274.079035][ T2638] CPU: 1 PID: 2638 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 274.089550][ T2638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 274.100040][ T2638] Call Trace: [ 274.103502][ T2638] dump_stack_lvl+0x1e2/0x24b [ 274.108177][ T2638] ? bfq_pos_tree_add_move+0x43e/0x43e [ 274.113698][ T2638] ? vsnprintf+0x1fa/0x1cd0 [ 274.118180][ T2638] dump_stack+0x15/0x17 [ 274.122498][ T2638] should_fail+0x3c0/0x510 [ 274.127162][ T2638] should_fail_usercopy+0x1a/0x20 [ 274.132422][ T2638] _copy_from_user+0x20/0xd0 [ 274.137181][ T2638] kstrtouint_from_user+0xd7/0x2b0 [ 274.142364][ T2638] ? kstrtol_from_user+0x310/0x310 [ 274.147563][ T2638] ? snprintf+0xd6/0x120 [ 274.151801][ T2638] ? avc_policy_seqno+0x1b/0x70 [ 274.156973][ T2638] ? selinux_file_permission+0x2a9/0x520 [ 274.162683][ T2638] proc_fail_nth_write+0xa5/0x290 [ 274.167771][ T2638] ? security_file_permission+0x9d/0xc0 [ 274.173387][ T2638] ? proc_fail_nth_read+0x220/0x220 [ 274.178580][ T2638] ? security_file_permission+0xa8/0xc0 [ 274.184104][ T2638] ? rw_verify_area+0x1c2/0x360 [ 274.189150][ T2638] ? proc_fail_nth_read+0x220/0x220 [ 274.194598][ T2638] vfs_write+0x39b/0xf80 [ 274.198928][ T2638] ? kernel_write+0x420/0x420 [ 274.203583][ T2638] ? __kasan_check_write+0x14/0x20 [ 274.208784][ T2638] ? mutex_lock+0xb2/0x1e0 [ 274.213175][ T2638] ? mutex_trylock+0x180/0x180 [ 274.217924][ T2638] ? __fdget_pos+0x26d/0x310 [ 274.222487][ T2638] ? ksys_write+0x77/0x2c0 [ 274.226878][ T2638] ksys_write+0x198/0x2c0 [ 274.231267][ T2638] ? __kasan_check_write+0x14/0x20 [ 274.236363][ T2638] ? __ia32_sys_read+0x90/0x90 [ 274.241285][ T2638] ? debug_smp_processor_id+0x17/0x20 [ 274.246725][ T2638] __x64_sys_write+0x7b/0x90 [ 274.251378][ T2638] do_syscall_64+0x34/0x70 [ 274.255771][ T2638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 274.261651][ T2638] RIP: 0033:0x7f869ba6eb5f [ 274.267869][ T2638] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 274.287920][ T2638] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 274.299021][ T2638] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 274.307258][ T2638] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 274.315427][ T2638] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.323401][ T2638] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 274.331530][ T2638] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 274.339829][ T2654] CPU: 0 PID: 2654 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 274.350345][ T2654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 274.360911][ T2654] Call Trace: [ 274.364205][ T2654] dump_stack_lvl+0x1e2/0x24b [ 274.369042][ T2654] ? bfq_pos_tree_add_move+0x43e/0x43e [ 274.374757][ T2654] ? vsnprintf+0x1fa/0x1cd0 [ 274.379349][ T2654] dump_stack+0x15/0x17 [ 274.383751][ T2654] should_fail+0x3c0/0x510 [ 274.388814][ T2654] should_fail_usercopy+0x1a/0x20 [ 274.393932][ T2654] _copy_from_user+0x20/0xd0 [ 274.398705][ T2654] kstrtouint_from_user+0xd7/0x2b0 [ 274.404005][ T2654] ? kstrtol_from_user+0x310/0x310 [ 274.409121][ T2654] ? snprintf+0xd6/0x120 [ 274.413367][ T2654] ? avc_policy_seqno+0x1b/0x70 [ 274.418385][ T2654] ? selinux_file_permission+0x2a9/0x520 [ 274.424005][ T2654] proc_fail_nth_write+0xa5/0x290 [ 274.429021][ T2654] ? security_file_permission+0x9d/0xc0 [ 274.434728][ T2654] ? proc_fail_nth_read+0x220/0x220 [ 274.439907][ T2654] ? security_file_permission+0xa8/0xc0 [ 274.445608][ T2654] ? rw_verify_area+0x1c2/0x360 [ 274.450715][ T2654] ? proc_fail_nth_read+0x220/0x220 [ 274.455899][ T2654] vfs_write+0x39b/0xf80 [ 274.461087][ T2654] ? kernel_write+0x420/0x420 [ 274.465929][ T2654] ? __kasan_check_write+0x14/0x20 [ 274.471341][ T2654] ? mutex_lock+0xb2/0x1e0 [ 274.476421][ T2654] ? mutex_trylock+0x180/0x180 [ 274.481172][ T2654] ? __fdget_pos+0x26d/0x310 [ 274.485926][ T2654] ? ksys_write+0x77/0x2c0 [ 274.491019][ T2654] ksys_write+0x198/0x2c0 [ 274.495333][ T2654] ? __ia32_sys_read+0x90/0x90 [ 274.500167][ T2654] ? debug_smp_processor_id+0x17/0x20 [ 274.505698][ T2654] __x64_sys_write+0x7b/0x90 [ 274.511142][ T2654] do_syscall_64+0x34/0x70 [ 274.515640][ T2654] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 274.521604][ T2654] RIP: 0033:0x7faa22393b5f [ 274.526165][ T2654] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 274.546547][ T2654] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 274.554946][ T2654] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 274.562933][ T2654] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 274.570898][ T2654] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.578952][ T2654] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 274.587257][ T2654] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 274.595224][ T2650] CPU: 1 PID: 2650 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 274.605822][ T2650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 274.616045][ T2650] Call Trace: [ 274.619339][ T2650] dump_stack_lvl+0x1e2/0x24b [ 274.624017][ T2650] ? bfq_pos_tree_add_move+0x43e/0x43e [ 274.629464][ T2650] ? vsnprintf+0x1fa/0x1cd0 [ 274.633950][ T2650] dump_stack+0x15/0x17 [ 274.638186][ T2650] should_fail+0x3c0/0x510 [ 274.642619][ T2650] should_fail_usercopy+0x1a/0x20 [ 274.647915][ T2650] _copy_from_user+0x20/0xd0 [ 274.652488][ T2650] kstrtouint_from_user+0xd7/0x2b0 [ 274.657729][ T2650] ? kstrtol_from_user+0x310/0x310 [ 274.662837][ T2650] ? snprintf+0xd6/0x120 [ 274.667153][ T2650] ? avc_policy_seqno+0x1b/0x70 [ 274.672244][ T2650] ? selinux_file_permission+0x2a9/0x520 [ 274.678116][ T2650] proc_fail_nth_write+0xa5/0x290 [ 274.683133][ T2650] ? security_file_permission+0x9d/0xc0 [ 274.688744][ T2650] ? proc_fail_nth_read+0x220/0x220 [ 274.694183][ T2650] ? security_file_permission+0xa8/0xc0 [ 274.699925][ T2650] ? rw_verify_area+0x1c2/0x360 [ 274.704800][ T2650] ? proc_fail_nth_read+0x220/0x220 [ 274.710081][ T2650] vfs_write+0x39b/0xf80 [ 274.714460][ T2650] ? kernel_write+0x420/0x420 [ 274.719125][ T2650] ? __kasan_check_write+0x14/0x20 [ 274.724307][ T2650] ? mutex_lock+0xb2/0x1e0 [ 274.728988][ T2650] ? mutex_trylock+0x180/0x180 [ 274.733733][ T2650] ? __fdget_pos+0x26d/0x310 [ 274.738591][ T2650] ? ksys_write+0x77/0x2c0 [ 274.743011][ T2650] ksys_write+0x198/0x2c0 [ 274.747323][ T2650] ? __ia32_sys_read+0x90/0x90 [ 274.752067][ T2650] ? debug_smp_processor_id+0x17/0x20 [ 274.757507][ T2650] __x64_sys_write+0x7b/0x90 [ 274.762609][ T2650] do_syscall_64+0x34/0x70 [ 274.767483][ T2650] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 274.773525][ T2650] RIP: 0033:0x7f022ab05b5f [ 274.777922][ T2650] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 274.798021][ T2650] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 274.806714][ T2650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 274.815557][ T2650] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 274.823511][ T2650] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.831473][ T2650] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 274.839798][ T2650] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 274.847932][ T2655] CPU: 0 PID: 2655 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 274.858774][ T2655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 274.868915][ T2655] Call Trace: [ 274.872224][ T2655] dump_stack_lvl+0x1e2/0x24b [ 274.877075][ T2655] ? panic+0x7d7/0x7d7 [ 274.881137][ T2655] ? bfq_pos_tree_add_move+0x43e/0x43e [ 274.886603][ T2655] ? find_next_bit+0xd6/0x120 [ 274.891372][ T2655] ? cpumask_next+0x11/0x30 [ 274.896422][ T2655] dump_stack+0x15/0x17 [ 274.900862][ T2655] should_fail+0x3c0/0x510 [ 274.905414][ T2655] ? percpu_ref_init+0xd0/0x340 [ 274.910751][ T2655] __should_failslab+0x9f/0xe0 [ 274.915592][ T2655] should_failslab+0x9/0x20 [ 274.920207][ T2655] kmem_cache_alloc_trace+0x3a/0x330 [ 274.925571][ T2655] percpu_ref_init+0xd0/0x340 [ 274.930569][ T2655] ? cgroup_setup_root+0xea0/0xea0 [ 274.935892][ T2655] cgroup_apply_control_enable+0x3a2/0x12f0 [ 274.941878][ T2655] ? cgroup_reconfigure+0xe0/0xe0 [ 274.947294][ T2655] cgroup_apply_control+0x8e/0x7e0 [ 274.952539][ T2655] ? css_next_child+0x160/0x160 [ 274.958046][ T2655] ? io_schedule+0x120/0x120 [ 274.963024][ T2655] ? kernfs_fop_write_iter+0x15e/0x410 [ 274.968763][ T2655] ? __kasan_check_write+0x14/0x20 [ 274.974655][ T2655] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 274.980293][ T2655] cgroup_subtree_control_write+0xd19/0x1310 [ 274.986647][ T2655] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 274.992671][ T2655] ? __kasan_check_write+0x14/0x20 [ 274.997789][ T2655] ? _copy_from_iter+0x3fb/0xd60 [ 275.003112][ T2655] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 275.009219][ T2655] cgroup_file_write+0x28e/0x590 [ 275.014308][ T2655] ? cgroup_seqfile_stop+0xc0/0xc0 [ 275.019836][ T2655] ? mutex_trylock+0x180/0x180 [ 275.024688][ T2655] ? __kasan_check_write+0x14/0x20 [ 275.030206][ T2655] kernfs_fop_write_iter+0x2d0/0x410 [ 275.035728][ T2655] ? cgroup_seqfile_stop+0xc0/0xc0 [ 275.041016][ T2655] vfs_write+0xc4a/0xf80 [ 275.045422][ T2655] ? kernel_write+0x420/0x420 [ 275.050459][ T2655] ? mutex_lock+0xb2/0x1e0 [ 275.055126][ T2655] ? mutex_trylock+0x180/0x180 [ 275.059871][ T2655] ? __fdget_pos+0x26d/0x310 [ 275.064439][ T2655] ? ksys_write+0x77/0x2c0 [ 275.068863][ T2655] ksys_write+0x198/0x2c0 [ 275.073374][ T2655] ? __ia32_sys_read+0x90/0x90 [ 275.078139][ T2655] ? debug_smp_processor_id+0x17/0x20 [ 275.083589][ T2655] __x64_sys_write+0x7b/0x90 [ 275.088176][ T2655] do_syscall_64+0x34/0x70 [ 275.092671][ T2655] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 275.098616][ T2655] RIP: 0033:0x7f85191c4049 [ 275.103206][ T2655] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 275.123363][ T2655] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 275.131887][ T2655] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 275.140531][ T2655] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 275.148491][ T2655] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 275.156678][ T2655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 275.164848][ T2655] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 275.173864][ T2659] FAULT_INJECTION: forcing a failure. [ 275.173864][ T2659] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 275.188060][ T2659] CPU: 0 PID: 2659 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 275.198736][ T2659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 275.208875][ T2659] Call Trace: [ 275.212165][ T2659] dump_stack_lvl+0x1e2/0x24b [ 275.215971][ T2661] FAULT_INJECTION: forcing a failure. [ 275.215971][ T2661] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 275.216839][ T2659] ? bfq_pos_tree_add_move+0x43e/0x43e [ 275.216857][ T2659] ? vsnprintf+0x1fa/0x1cd0 [ 275.230504][ T2665] FAULT_INJECTION: forcing a failure. [ 275.230504][ T2665] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 275.235736][ T2659] dump_stack+0x15/0x17 [ 275.235746][ T2659] should_fail+0x3c0/0x510 [ 275.235755][ T2659] should_fail_usercopy+0x1a/0x20 [ 275.235765][ T2659] _copy_from_user+0x20/0xd0 [ 275.235774][ T2659] kstrtouint_from_user+0xd7/0x2b0 [ 275.235783][ T2659] ? kstrtol_from_user+0x310/0x310 [ 275.235791][ T2659] ? snprintf+0xd6/0x120 [ 275.235802][ T2659] ? avc_policy_seqno+0x1b/0x70 [ 275.235810][ T2659] ? selinux_file_permission+0x2a9/0x520 [ 275.235819][ T2659] proc_fail_nth_write+0xa5/0x290 [ 275.235828][ T2659] ? security_file_permission+0x9d/0xc0 [ 275.235835][ T2659] ? proc_fail_nth_read+0x220/0x220 [ 275.235842][ T2659] ? security_file_permission+0xa8/0xc0 [ 275.235851][ T2659] ? rw_verify_area+0x1c2/0x360 [ 275.235860][ T2659] ? proc_fail_nth_read+0x220/0x220 [ 275.235869][ T2659] vfs_write+0x39b/0xf80 [ 275.235880][ T2659] ? kernel_write+0x420/0x420 [ 275.235889][ T2659] ? __kasan_check_write+0x14/0x20 [ 275.235896][ T2659] ? mutex_lock+0xb2/0x1e0 [ 275.235903][ T2659] ? mutex_trylock+0x180/0x180 [ 275.235915][ T2659] ? __fdget_pos+0x26d/0x310 [ 275.235924][ T2659] ? ksys_write+0x77/0x2c0 [ 275.235934][ T2659] ksys_write+0x198/0x2c0 [ 275.235941][ T2659] ? __kasan_check_write+0x14/0x20 [ 275.235957][ T2659] ? __ia32_sys_read+0x90/0x90 [ 275.240984][ T2664] FAULT_INJECTION: forcing a failure. [ 275.240984][ T2664] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 275.258968][ T2659] ? debug_smp_processor_id+0x17/0x20 [ 275.258979][ T2659] __x64_sys_write+0x7b/0x90 [ 275.258988][ T2659] do_syscall_64+0x34/0x70 [ 275.258997][ T2659] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 275.259006][ T2659] RIP: 0033:0x7f6ebe0d0b5f [ 275.259018][ T2659] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 275.259024][ T2659] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 275.259035][ T2659] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 275.259049][ T2659] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 275.468069][ T2659] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 275.476365][ T2659] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 275.484761][ T2659] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 275.492955][ T2665] CPU: 1 PID: 2665 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 275.503374][ T2665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 275.507618][ T2669] FAULT_INJECTION: forcing a failure. [ 275.507618][ T2669] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 275.513682][ T2665] Call Trace: [ 275.527366][ T2668] FAULT_INJECTION: forcing a failure. [ 275.527366][ T2668] name failslab, interval 1, probability 0, space 0, times 0 [ 275.530228][ T2665] dump_stack_lvl+0x1e2/0x24b [ 275.547744][ T2665] ? bfq_pos_tree_add_move+0x43e/0x43e [ 275.554315][ T2665] ? vsnprintf+0x1fa/0x1cd0 [ 275.558801][ T2665] dump_stack+0x15/0x17 [ 275.562938][ T2665] should_fail+0x3c0/0x510 [ 275.567446][ T2665] should_fail_usercopy+0x1a/0x20 [ 275.572563][ T2665] _copy_from_user+0x20/0xd0 [ 275.577461][ T2665] kstrtouint_from_user+0xd7/0x2b0 [ 275.582918][ T2665] ? kstrtol_from_user+0x310/0x310 [ 275.588643][ T2665] ? snprintf+0xd6/0x120 [ 275.592872][ T2665] ? avc_policy_seqno+0x1b/0x70 [ 275.597811][ T2665] ? selinux_file_permission+0x2a9/0x520 [ 275.603611][ T2665] proc_fail_nth_write+0xa5/0x290 [ 275.608816][ T2665] ? security_file_permission+0x9d/0xc0 [ 275.614614][ T2665] ? proc_fail_nth_read+0x220/0x220 [ 275.620053][ T2665] ? security_file_permission+0xa8/0xc0 [ 275.625580][ T2665] ? rw_verify_area+0x1c2/0x360 [ 275.630412][ T2665] ? proc_fail_nth_read+0x220/0x220 [ 275.635589][ T2665] vfs_write+0x39b/0xf80 [ 275.639811][ T2665] ? kernel_write+0x420/0x420 [ 275.644481][ T2665] ? __kasan_check_write+0x14/0x20 [ 275.649586][ T2665] ? mutex_lock+0xb2/0x1e0 [ 275.654164][ T2665] ? mutex_trylock+0x180/0x180 [ 275.658947][ T2665] ? __fdget_pos+0x26d/0x310 [ 275.663534][ T2665] ? ksys_write+0x77/0x2c0 [ 275.667941][ T2665] ksys_write+0x198/0x2c0 [ 275.672263][ T2665] ? __kasan_check_write+0x14/0x20 [ 275.677360][ T2665] ? __ia32_sys_read+0x90/0x90 [ 275.682107][ T2665] ? debug_smp_processor_id+0x17/0x20 [ 275.687465][ T2665] __x64_sys_write+0x7b/0x90 [ 275.692040][ T2665] do_syscall_64+0x34/0x70 [ 275.696530][ T2665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 275.703284][ T2665] RIP: 0033:0x7faa22393b5f [ 275.707946][ T2665] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 275.727745][ T2665] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 275.736162][ T2665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 275.744194][ T2665] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 275.752163][ T2665] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 275.760310][ T2665] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 275.768724][ T2665] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 275.776951][ T2661] CPU: 0 PID: 2661 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 275.787407][ T2661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 275.797594][ T2661] Call Trace: [ 275.801165][ T2661] dump_stack_lvl+0x1e2/0x24b [ 275.807869][ T2661] ? bfq_pos_tree_add_move+0x43e/0x43e [ 275.814120][ T2661] ? vsnprintf+0x1fa/0x1cd0 [ 275.818971][ T2661] dump_stack+0x15/0x17 [ 275.823298][ T2661] should_fail+0x3c0/0x510 [ 275.827976][ T2661] should_fail_usercopy+0x1a/0x20 [ 275.833082][ T2661] _copy_from_user+0x20/0xd0 [ 275.838006][ T2661] kstrtouint_from_user+0xd7/0x2b0 [ 275.843327][ T2661] ? kstrtol_from_user+0x310/0x310 [ 275.848629][ T2661] ? snprintf+0xd6/0x120 [ 275.853371][ T2661] ? avc_policy_seqno+0x1b/0x70 [ 275.858691][ T2661] ? selinux_file_permission+0x2a9/0x520 [ 275.864931][ T2661] proc_fail_nth_write+0xa5/0x290 [ 275.870305][ T2661] ? security_file_permission+0x9d/0xc0 [ 275.876660][ T2661] ? proc_fail_nth_read+0x220/0x220 [ 275.882040][ T2661] ? security_file_permission+0xa8/0xc0 [ 275.888656][ T2661] ? rw_verify_area+0x1c2/0x360 [ 275.893685][ T2661] ? proc_fail_nth_read+0x220/0x220 [ 275.899439][ T2661] vfs_write+0x39b/0xf80 [ 275.903802][ T2661] ? kernel_write+0x420/0x420 [ 275.908848][ T2661] ? __kasan_check_write+0x14/0x20 [ 275.914248][ T2661] ? mutex_lock+0xb2/0x1e0 [ 275.919284][ T2661] ? mutex_trylock+0x180/0x180 [ 275.924238][ T2661] ? __fdget_pos+0x26d/0x310 [ 275.929507][ T2661] ? ksys_write+0x77/0x2c0 [ 275.933998][ T2661] ksys_write+0x198/0x2c0 [ 275.938809][ T2661] ? __kasan_check_write+0x14/0x20 [ 275.944014][ T2661] ? __ia32_sys_read+0x90/0x90 [ 275.949127][ T2661] ? debug_smp_processor_id+0x17/0x20 [ 275.954578][ T2661] __x64_sys_write+0x7b/0x90 [ 275.959147][ T2661] do_syscall_64+0x34/0x70 [ 275.963644][ T2661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 275.969733][ T2661] RIP: 0033:0x7f869ba6eb5f [ 275.974305][ T2661] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 275.994157][ T2661] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 276.002704][ T2661] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 276.011585][ T2661] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 276.020180][ T2661] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 276.028339][ T2661] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 276.036474][ T2661] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 276.044926][ T2669] CPU: 1 PID: 2669 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 276.055925][ T2669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 276.066244][ T2669] Call Trace: [ 276.069628][ T2669] dump_stack_lvl+0x1e2/0x24b [ 276.075179][ T2669] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.080807][ T2669] ? vsnprintf+0x1fa/0x1cd0 [ 276.085293][ T2669] dump_stack+0x15/0x17 [ 276.089462][ T2669] should_fail+0x3c0/0x510 [ 276.094122][ T2669] should_fail_usercopy+0x1a/0x20 [ 276.099391][ T2669] _copy_from_user+0x20/0xd0 [ 276.104051][ T2669] kstrtouint_from_user+0xd7/0x2b0 [ 276.109147][ T2669] ? kstrtol_from_user+0x310/0x310 [ 276.114246][ T2669] ? snprintf+0xd6/0x120 [ 276.118569][ T2669] ? avc_policy_seqno+0x1b/0x70 [ 276.123574][ T2669] ? selinux_file_permission+0x2a9/0x520 [ 276.129568][ T2669] proc_fail_nth_write+0xa5/0x290 [ 276.134589][ T2669] ? security_file_permission+0x9d/0xc0 [ 276.140289][ T2669] ? proc_fail_nth_read+0x220/0x220 [ 276.145569][ T2669] ? security_file_permission+0xa8/0xc0 [ 276.153311][ T2669] ? rw_verify_area+0x1c2/0x360 [ 276.158502][ T2669] ? proc_fail_nth_read+0x220/0x220 [ 276.163772][ T2669] vfs_write+0x39b/0xf80 [ 276.168018][ T2669] ? kernel_write+0x420/0x420 [ 276.172675][ T2669] ? __kasan_check_write+0x14/0x20 [ 276.178733][ T2669] ? mutex_lock+0xb2/0x1e0 [ 276.183397][ T2669] ? mutex_trylock+0x180/0x180 [ 276.188406][ T2669] ? __fdget_pos+0x26d/0x310 [ 276.193006][ T2669] ? ksys_write+0x77/0x2c0 [ 276.197423][ T2669] ksys_write+0x198/0x2c0 [ 276.201832][ T2669] ? __ia32_sys_read+0x90/0x90 [ 276.206952][ T2669] ? debug_smp_processor_id+0x17/0x20 [ 276.212429][ T2669] __x64_sys_write+0x7b/0x90 [ 276.217099][ T2669] do_syscall_64+0x34/0x70 [ 276.221504][ T2669] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 276.227668][ T2669] RIP: 0033:0x7f7d1c31ab5f [ 276.232241][ T2669] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 276.252314][ T2669] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 276.260890][ T2669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 276.268944][ T2669] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 276.276983][ T2669] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 276.285029][ T2669] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 276.292992][ T2669] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 276.301136][ T2664] CPU: 0 PID: 2664 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 276.312668][ T2664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 276.322712][ T2664] Call Trace: [ 276.326004][ T2664] dump_stack_lvl+0x1e2/0x24b [ 276.330665][ T2664] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.336300][ T2664] ? vsnprintf+0x1fa/0x1cd0 [ 276.340995][ T2664] dump_stack+0x15/0x17 [ 276.345317][ T2664] should_fail+0x3c0/0x510 [ 276.349777][ T2664] should_fail_usercopy+0x1a/0x20 [ 276.354970][ T2664] _copy_from_user+0x20/0xd0 [ 276.359681][ T2664] kstrtouint_from_user+0xd7/0x2b0 [ 276.364897][ T2664] ? kstrtol_from_user+0x310/0x310 [ 276.370081][ T2664] ? snprintf+0xd6/0x120 [ 276.374764][ T2664] ? avc_policy_seqno+0x1b/0x70 [ 276.379714][ T2664] ? selinux_file_permission+0x2a9/0x520 [ 276.385770][ T2664] proc_fail_nth_write+0xa5/0x290 [ 276.390999][ T2664] ? security_file_permission+0x9d/0xc0 [ 276.396725][ T2664] ? proc_fail_nth_read+0x220/0x220 [ 276.402269][ T2664] ? security_file_permission+0xa8/0xc0 [ 276.408161][ T2664] ? rw_verify_area+0x1c2/0x360 [ 276.413275][ T2664] ? proc_fail_nth_read+0x220/0x220 [ 276.418590][ T2664] vfs_write+0x39b/0xf80 [ 276.422923][ T2664] ? kernel_write+0x420/0x420 [ 276.427870][ T2664] ? __kasan_check_write+0x14/0x20 [ 276.433052][ T2664] ? mutex_lock+0xb2/0x1e0 [ 276.437536][ T2664] ? mutex_trylock+0x180/0x180 [ 276.442288][ T2664] ? __fdget_pos+0x26d/0x310 [ 276.447076][ T2664] ? ksys_write+0x77/0x2c0 [ 276.451477][ T2664] ksys_write+0x198/0x2c0 [ 276.456531][ T2664] ? __kasan_check_write+0x14/0x20 [ 276.461718][ T2664] ? __ia32_sys_read+0x90/0x90 [ 276.466641][ T2664] ? debug_smp_processor_id+0x17/0x20 [ 276.471994][ T2664] __x64_sys_write+0x7b/0x90 [ 276.476828][ T2664] do_syscall_64+0x34/0x70 [ 276.481762][ T2664] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 276.487983][ T2664] RIP: 0033:0x7f022ab05b5f [ 276.492416][ T2664] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 276.512010][ T2664] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 276.520844][ T2664] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 276.528884][ T2664] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 276.537227][ T2664] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 276.545493][ T2664] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 276.553728][ T2664] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 276.563678][ T2668] CPU: 1 PID: 2668 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 276.575251][ T2668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 276.585466][ T2668] Call Trace: [ 276.588843][ T2668] dump_stack_lvl+0x1e2/0x24b [ 276.593874][ T2668] ? panic+0x7d7/0x7d7 [ 276.598123][ T2668] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.603576][ T2668] ? find_next_bit+0xd6/0x120 [ 276.608587][ T2668] ? cpumask_next+0x11/0x30 [ 276.613350][ T2668] dump_stack+0x15/0x17 [ 276.617852][ T2668] should_fail+0x3c0/0x510 [ 276.622591][ T2668] ? percpu_ref_init+0xd0/0x340 [ 276.627764][ T2668] __should_failslab+0x9f/0xe0 [ 276.632883][ T2668] should_failslab+0x9/0x20 [ 276.637576][ T2668] kmem_cache_alloc_trace+0x3a/0x330 [ 276.642952][ T2668] percpu_ref_init+0xd0/0x340 [ 276.647703][ T2668] ? cgroup_setup_root+0xea0/0xea0 [ 276.653414][ T2668] cgroup_apply_control_enable+0x3a2/0x12f0 [ 276.659467][ T2668] ? cgroup_reconfigure+0xe0/0xe0 [ 276.664734][ T2668] cgroup_apply_control+0x8e/0x7e0 [ 276.669820][ T2668] ? css_next_child+0x160/0x160 [ 276.674658][ T2668] ? io_schedule+0x120/0x120 [ 276.679221][ T2668] ? kernfs_fop_write_iter+0x15e/0x410 [ 276.684828][ T2668] ? __kasan_check_write+0x14/0x20 [ 276.690010][ T2668] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 276.695296][ T2668] cgroup_subtree_control_write+0xd19/0x1310 [ 276.701520][ T2668] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 276.707475][ T2668] ? __kasan_check_write+0x14/0x20 [ 276.712577][ T2668] ? _copy_from_iter+0x3fb/0xd60 [ 276.717664][ T2668] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 276.723643][ T2668] cgroup_file_write+0x28e/0x590 [ 276.729028][ T2668] ? cgroup_seqfile_stop+0xc0/0xc0 [ 276.734943][ T2668] ? mutex_trylock+0x180/0x180 [ 276.739815][ T2668] ? __kasan_check_write+0x14/0x20 [ 276.745198][ T2668] kernfs_fop_write_iter+0x2d0/0x410 [ 276.750663][ T2668] ? cgroup_seqfile_stop+0xc0/0xc0 [ 276.755870][ T2668] vfs_write+0xc4a/0xf80 [ 276.760624][ T2668] ? kernel_write+0x420/0x420 [ 276.765633][ T2668] ? mutex_lock+0xb2/0x1e0 [ 276.770033][ T2668] ? mutex_trylock+0x180/0x180 [ 276.774789][ T2668] ? __fdget_pos+0x26d/0x310 [ 276.780032][ T2668] ? ksys_write+0x77/0x2c0 [ 276.784443][ T2668] ksys_write+0x198/0x2c0 [ 276.788759][ T2668] ? __ia32_sys_read+0x90/0x90 [ 276.793516][ T2668] ? debug_smp_processor_id+0x17/0x20 [ 276.798884][ T2668] __x64_sys_write+0x7b/0x90 [ 276.803470][ T2668] do_syscall_64+0x34/0x70 [ 276.807876][ T2668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 276.813743][ T2668] RIP: 0033:0x7f85191c4049 [ 276.818137][ T2668] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 276.838085][ T2668] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 276.846581][ T2668] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 276.855296][ T2668] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 276.863585][ T2668] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 276.872327][ T2668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 276.880927][ T2668] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 276.895098][ T2673] FAULT_INJECTION: forcing a failure. [ 276.895098][ T2673] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 276.895118][ T2679] FAULT_INJECTION: forcing a failure. [ 276.895118][ T2679] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 276.916697][ T2673] CPU: 1 PID: 2673 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 276.922903][ T2676] FAULT_INJECTION: forcing a failure. [ 276.922903][ T2676] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 276.933237][ T2673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 276.933242][ T2673] Call Trace: [ 276.933263][ T2673] dump_stack_lvl+0x1e2/0x24b [ 276.933273][ T2673] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.933282][ T2673] ? vsnprintf+0x1fa/0x1cd0 [ 276.933292][ T2673] dump_stack+0x15/0x17 [ 276.933300][ T2673] should_fail+0x3c0/0x510 [ 276.933310][ T2673] should_fail_usercopy+0x1a/0x20 [ 276.933325][ T2673] _copy_from_user+0x20/0xd0 [ 276.933336][ T2673] kstrtouint_from_user+0xd7/0x2b0 [ 276.933346][ T2673] ? kstrtol_from_user+0x310/0x310 [ 276.933353][ T2673] ? snprintf+0xd6/0x120 [ 276.933373][ T2673] ? avc_policy_seqno+0x1b/0x70 [ 277.013690][ T2673] ? selinux_file_permission+0x2a9/0x520 [ 277.019579][ T2673] proc_fail_nth_write+0xa5/0x290 [ 277.024865][ T2673] ? security_file_permission+0x9d/0xc0 [ 277.030582][ T2673] ? proc_fail_nth_read+0x220/0x220 [ 277.035854][ T2673] ? security_file_permission+0xa8/0xc0 [ 277.041502][ T2673] ? rw_verify_area+0x1c2/0x360 [ 277.046329][ T2673] ? proc_fail_nth_read+0x220/0x220 [ 277.051780][ T2673] vfs_write+0x39b/0xf80 [ 277.056072][ T2673] ? kernel_write+0x420/0x420 [ 277.060732][ T2673] ? __kasan_check_write+0x14/0x20 [ 277.065824][ T2673] ? mutex_lock+0xb2/0x1e0 [ 277.070351][ T2673] ? mutex_trylock+0x180/0x180 [ 277.075110][ T2673] ? __fdget_pos+0x26d/0x310 [ 277.079771][ T2673] ? ksys_write+0x77/0x2c0 [ 277.084201][ T2673] ksys_write+0x198/0x2c0 [ 277.088511][ T2673] ? __kasan_check_write+0x14/0x20 [ 277.094173][ T2673] ? __ia32_sys_read+0x90/0x90 [ 277.099011][ T2673] ? debug_smp_processor_id+0x17/0x20 [ 277.104717][ T2673] __x64_sys_write+0x7b/0x90 [ 277.109286][ T2673] do_syscall_64+0x34/0x70 [ 277.113685][ T2673] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 277.119748][ T2673] RIP: 0033:0x7f869ba6eb5f [ 277.124322][ T2673] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 277.145848][ T2673] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 277.154477][ T2673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 277.162885][ T2673] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 277.171290][ T2673] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.179610][ T2673] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 277.187650][ T2673] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 277.195716][ T2676] CPU: 0 PID: 2676 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 277.206700][ T2676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 277.216835][ T2676] Call Trace: [ 277.220138][ T2676] dump_stack_lvl+0x1e2/0x24b [ 277.224809][ T2676] ? bfq_pos_tree_add_move+0x43e/0x43e [ 277.230254][ T2676] ? vsnprintf+0x1fa/0x1cd0 [ 277.234939][ T2676] dump_stack+0x15/0x17 [ 277.239189][ T2676] should_fail+0x3c0/0x510 [ 277.243596][ T2676] should_fail_usercopy+0x1a/0x20 [ 277.248792][ T2676] _copy_from_user+0x20/0xd0 [ 277.250658][ T2683] FAULT_INJECTION: forcing a failure. [ 277.250658][ T2683] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 277.253477][ T2676] kstrtouint_from_user+0xd7/0x2b0 [ 277.253487][ T2676] ? kstrtol_from_user+0x310/0x310 [ 277.253504][ T2676] ? snprintf+0xd6/0x120 [ 277.281439][ T2676] ? avc_policy_seqno+0x1b/0x70 [ 277.286366][ T2676] ? selinux_file_permission+0x2a9/0x520 [ 277.292184][ T2676] proc_fail_nth_write+0xa5/0x290 [ 277.297490][ T2676] ? security_file_permission+0x9d/0xc0 [ 277.303017][ T2676] ? proc_fail_nth_read+0x220/0x220 [ 277.308210][ T2676] ? security_file_permission+0xa8/0xc0 [ 277.313746][ T2676] ? rw_verify_area+0x1c2/0x360 [ 277.318580][ T2676] ? proc_fail_nth_read+0x220/0x220 [ 277.323947][ T2676] vfs_write+0x39b/0xf80 [ 277.328175][ T2676] ? kernel_write+0x420/0x420 [ 277.332835][ T2676] ? __kasan_check_write+0x14/0x20 [ 277.339321][ T2676] ? mutex_lock+0xb2/0x1e0 [ 277.344606][ T2676] ? mutex_trylock+0x180/0x180 [ 277.349354][ T2676] ? __fdget_pos+0x26d/0x310 [ 277.353945][ T2676] ? ksys_write+0x77/0x2c0 [ 277.358436][ T2676] ksys_write+0x198/0x2c0 [ 277.362833][ T2676] ? __kasan_check_write+0x14/0x20 [ 277.367936][ T2676] ? __ia32_sys_read+0x90/0x90 [ 277.373039][ T2676] ? debug_smp_processor_id+0x17/0x20 [ 277.378577][ T2676] __x64_sys_write+0x7b/0x90 [ 277.383250][ T2676] do_syscall_64+0x34/0x70 [ 277.387704][ T2676] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 277.393750][ T2676] RIP: 0033:0x7faa22393b5f [ 277.398154][ T2676] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 277.418471][ T2676] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 277.427059][ T2676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 277.435256][ T2676] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 277.443215][ T2676] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.451410][ T2676] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 277.459898][ T2676] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 277.467957][ T2679] CPU: 1 PID: 2679 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 277.479000][ T2679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 277.489253][ T2679] Call Trace: [ 277.492532][ T2679] dump_stack_lvl+0x1e2/0x24b [ 277.497366][ T2679] ? bfq_pos_tree_add_move+0x43e/0x43e [ 277.502912][ T2679] ? vsnprintf+0x1fa/0x1cd0 [ 277.507398][ T2679] dump_stack+0x15/0x17 [ 277.511816][ T2679] should_fail+0x3c0/0x510 [ 277.516434][ T2679] should_fail_usercopy+0x1a/0x20 [ 277.520693][ T2687] FAULT_INJECTION: forcing a failure. [ 277.520693][ T2687] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 277.521601][ T2679] _copy_from_user+0x20/0xd0 [ 277.539404][ T2679] kstrtouint_from_user+0xd7/0x2b0 [ 277.544682][ T2679] ? kstrtol_from_user+0x310/0x310 [ 277.549864][ T2679] ? snprintf+0xd6/0x120 [ 277.554444][ T2679] ? avc_policy_seqno+0x1b/0x70 [ 277.559542][ T2679] ? selinux_file_permission+0x2a9/0x520 [ 277.565617][ T2679] proc_fail_nth_write+0xa5/0x290 [ 277.571766][ T2679] ? security_file_permission+0x9d/0xc0 [ 277.577309][ T2679] ? proc_fail_nth_read+0x220/0x220 [ 277.582686][ T2679] ? security_file_permission+0xa8/0xc0 [ 277.588236][ T2679] ? rw_verify_area+0x1c2/0x360 [ 277.593156][ T2679] ? proc_fail_nth_read+0x220/0x220 [ 277.598347][ T2679] vfs_write+0x39b/0xf80 [ 277.602746][ T2679] ? kernel_write+0x420/0x420 [ 277.607416][ T2679] ? __kasan_check_write+0x14/0x20 [ 277.612601][ T2679] ? mutex_lock+0xb2/0x1e0 [ 277.617170][ T2679] ? mutex_trylock+0x180/0x180 [ 277.622222][ T2679] ? __fdget_pos+0x26d/0x310 [ 277.627068][ T2679] ? ksys_write+0x77/0x2c0 [ 277.631562][ T2679] ksys_write+0x198/0x2c0 [ 277.635894][ T2679] ? __kasan_check_write+0x14/0x20 [ 277.641326][ T2679] ? __ia32_sys_read+0x90/0x90 [ 277.646164][ T2679] ? debug_smp_processor_id+0x17/0x20 [ 277.651619][ T2679] __x64_sys_write+0x7b/0x90 [ 277.656194][ T2679] do_syscall_64+0x34/0x70 [ 277.660614][ T2679] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 277.667003][ T2679] RIP: 0033:0x7f7d1c31ab5f [ 277.671855][ T2679] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 277.692426][ T2679] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 277.701042][ T2679] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 277.709105][ T2679] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 277.720182][ T2679] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.728518][ T2679] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 277.736757][ T2679] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 277.745168][ T2687] CPU: 0 PID: 2687 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 277.755743][ T2687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 277.765947][ T2687] Call Trace: [ 277.769215][ T2687] dump_stack_lvl+0x1e2/0x24b [ 277.773876][ T2687] ? bfq_pos_tree_add_move+0x43e/0x43e [ 277.779397][ T2687] ? vsnprintf+0x1fa/0x1cd0 [ 277.783963][ T2687] dump_stack+0x15/0x17 [ 277.788105][ T2687] should_fail+0x3c0/0x510 [ 277.792594][ T2687] should_fail_usercopy+0x1a/0x20 [ 277.797612][ T2687] _copy_from_user+0x20/0xd0 [ 277.802450][ T2687] kstrtouint_from_user+0xd7/0x2b0 [ 277.807534][ T2687] ? kstrtol_from_user+0x310/0x310 [ 277.812641][ T2687] ? snprintf+0xd6/0x120 [ 277.816874][ T2687] ? avc_policy_seqno+0x1b/0x70 [ 277.821708][ T2687] ? selinux_file_permission+0x2a9/0x520 [ 277.827317][ T2687] proc_fail_nth_write+0xa5/0x290 [ 277.832314][ T2687] ? security_file_permission+0x9d/0xc0 [ 277.838028][ T2687] ? proc_fail_nth_read+0x220/0x220 [ 277.843442][ T2687] ? security_file_permission+0xa8/0xc0 [ 277.849063][ T2687] ? rw_verify_area+0x1c2/0x360 [ 277.853994][ T2687] ? proc_fail_nth_read+0x220/0x220 [ 277.859449][ T2687] vfs_write+0x39b/0xf80 [ 277.863682][ T2687] ? kernel_write+0x420/0x420 [ 277.868529][ T2687] ? __kasan_check_write+0x14/0x20 [ 277.873969][ T2687] ? mutex_lock+0xb2/0x1e0 [ 277.878923][ T2687] ? mutex_trylock+0x180/0x180 [ 277.883944][ T2687] ? __fdget_pos+0x26d/0x310 [ 277.888627][ T2687] ? ksys_write+0x77/0x2c0 [ 277.893336][ T2687] ksys_write+0x198/0x2c0 [ 277.898010][ T2687] ? __ia32_sys_read+0x90/0x90 [ 277.902837][ T2687] ? debug_smp_processor_id+0x17/0x20 [ 277.908192][ T2687] __x64_sys_write+0x7b/0x90 [ 277.912931][ T2687] do_syscall_64+0x34/0x70 [ 277.917603][ T2687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 277.923921][ T2687] RIP: 0033:0x7f6ebe0d0b5f [ 277.928363][ T2687] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 277.948691][ T2687] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 277.957084][ T2687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 277.965626][ T2687] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 277.974405][ T2687] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.982850][ T2687] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 277.990807][ T2687] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 278.000579][ T2685] FAULT_INJECTION: forcing a failure. [ 278.000579][ T2685] name failslab, interval 1, probability 0, space 0, times 0 [ 278.003281][ T2683] CPU: 1 PID: 2683 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 278.023590][ T2683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 278.033773][ T2683] Call Trace: [ 278.037155][ T2683] dump_stack_lvl+0x1e2/0x24b [ 278.041816][ T2683] ? bfq_pos_tree_add_move+0x43e/0x43e [ 278.047345][ T2683] ? vsnprintf+0x1fa/0x1cd0 [ 278.051839][ T2683] dump_stack+0x15/0x17 [ 278.056368][ T2683] should_fail+0x3c0/0x510 [ 278.060788][ T2683] should_fail_usercopy+0x1a/0x20 [ 278.065805][ T2683] _copy_from_user+0x20/0xd0 [ 278.070494][ T2683] kstrtouint_from_user+0xd7/0x2b0 [ 278.075587][ T2683] ? kstrtol_from_user+0x310/0x310 [ 278.080677][ T2683] ? snprintf+0xd6/0x120 [ 278.084991][ T2683] ? avc_policy_seqno+0x1b/0x70 [ 278.089918][ T2683] ? selinux_file_permission+0x2a9/0x520 [ 278.095789][ T2683] proc_fail_nth_write+0xa5/0x290 [ 278.101156][ T2683] ? security_file_permission+0x9d/0xc0 [ 278.106703][ T2683] ? proc_fail_nth_read+0x220/0x220 [ 278.112078][ T2683] ? security_file_permission+0xa8/0xc0 [ 278.117607][ T2683] ? rw_verify_area+0x1c2/0x360 [ 278.122456][ T2683] ? proc_fail_nth_read+0x220/0x220 [ 278.127742][ T2683] vfs_write+0x39b/0xf80 [ 278.131988][ T2683] ? kernel_write+0x420/0x420 [ 278.136662][ T2683] ? __kasan_check_write+0x14/0x20 [ 278.141761][ T2683] ? mutex_lock+0xb2/0x1e0 [ 278.146163][ T2683] ? mutex_trylock+0x180/0x180 [ 278.150925][ T2683] ? __fdget_pos+0x26d/0x310 [ 278.155512][ T2683] ? ksys_write+0x77/0x2c0 [ 278.160002][ T2683] ksys_write+0x198/0x2c0 [ 278.164314][ T2683] ? __ia32_sys_read+0x90/0x90 [ 278.169166][ T2683] ? debug_smp_processor_id+0x17/0x20 [ 278.174603][ T2683] __x64_sys_write+0x7b/0x90 [ 278.179188][ T2683] do_syscall_64+0x34/0x70 [ 278.183589][ T2683] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 278.190162][ T2683] RIP: 0033:0x7f022ab05b5f [ 278.194848][ T2683] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 278.214805][ T2683] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 278.223288][ T2683] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 278.231240][ T2683] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 278.239376][ T2683] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 278.247327][ T2683] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 278.255773][ T2683] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 278.264010][ T2685] CPU: 0 PID: 2685 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 278.274354][ T2685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 278.284419][ T2685] Call Trace: [ 278.287868][ T2685] dump_stack_lvl+0x1e2/0x24b [ 278.292527][ T2685] ? panic+0x7d7/0x7d7 [ 278.296584][ T2685] ? bfq_pos_tree_add_move+0x43e/0x43e [ 278.302105][ T2685] ? find_next_bit+0xd6/0x120 [ 278.306842][ T2685] ? cpumask_next+0x11/0x30 [ 278.311792][ T2685] dump_stack+0x15/0x17 [ 278.315934][ T2685] should_fail+0x3c0/0x510 [ 278.320425][ T2685] ? percpu_ref_init+0xd0/0x340 [ 278.325366][ T2685] __should_failslab+0x9f/0xe0 [ 278.330159][ T2685] should_failslab+0x9/0x20 [ 278.336832][ T2685] kmem_cache_alloc_trace+0x3a/0x330 [ 278.342439][ T2685] percpu_ref_init+0xd0/0x340 [ 278.347291][ T2685] ? cgroup_setup_root+0xea0/0xea0 [ 278.352396][ T2685] cgroup_apply_control_enable+0x3a2/0x12f0 [ 278.358264][ T2685] ? cgroup_reconfigure+0xe0/0xe0 [ 278.363437][ T2685] cgroup_apply_control+0x8e/0x7e0 [ 278.368886][ T2685] ? css_next_child+0x160/0x160 [ 278.373714][ T2685] ? io_schedule+0x120/0x120 [ 278.378294][ T2685] ? kernfs_fop_write_iter+0x15e/0x410 [ 278.383916][ T2685] ? __kasan_check_write+0x14/0x20 [ 278.389611][ T2685] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 278.395180][ T2685] cgroup_subtree_control_write+0xd19/0x1310 [ 278.401158][ T2685] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 278.407475][ T2685] ? __kasan_check_write+0x14/0x20 [ 278.412735][ T2685] ? _copy_from_iter+0x3fb/0xd60 [ 278.417737][ T2685] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 278.423973][ T2685] cgroup_file_write+0x28e/0x590 [ 278.429092][ T2685] ? cgroup_seqfile_stop+0xc0/0xc0 [ 278.434181][ T2685] ? mutex_trylock+0x180/0x180 [ 278.439298][ T2685] ? __kasan_check_write+0x14/0x20 [ 278.444481][ T2685] kernfs_fop_write_iter+0x2d0/0x410 [ 278.450731][ T2685] ? cgroup_seqfile_stop+0xc0/0xc0 [ 278.456093][ T2685] vfs_write+0xc4a/0xf80 [ 278.460606][ T2685] ? kernel_write+0x420/0x420 [ 278.465355][ T2685] ? mutex_lock+0xb2/0x1e0 [ 278.469756][ T2685] ? mutex_trylock+0x180/0x180 [ 278.474511][ T2685] ? __fdget_pos+0x26d/0x310 [ 278.479348][ T2685] ? ksys_write+0x77/0x2c0 [ 278.483749][ T2685] ksys_write+0x198/0x2c0 [ 278.488052][ T2685] ? __ia32_sys_read+0x90/0x90 [ 278.492965][ T2685] ? debug_smp_processor_id+0x17/0x20 [ 278.498323][ T2685] __x64_sys_write+0x7b/0x90 [ 278.502890][ T2685] do_syscall_64+0x34/0x70 [ 278.507469][ T2685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 278.513337][ T2685] RIP: 0033:0x7f85191c4049 [ 278.517922][ T2685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 278.538118][ T2685] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 278.546594][ T2685] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 278.554544][ T2685] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 278.562578][ T2685] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 278.570793][ T2685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 2022/08/30 17:00:19 executed programs: 1034 [ 278.578748][ T2685] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 278.593348][ T2694] FAULT_INJECTION: forcing a failure. [ 278.593348][ T2694] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 278.598400][ T2698] FAULT_INJECTION: forcing a failure. [ 278.598400][ T2698] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 278.608133][ T2695] FAULT_INJECTION: forcing a failure. [ 278.608133][ T2695] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 278.620056][ T2698] CPU: 0 PID: 2698 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 278.633271][ T2696] FAULT_INJECTION: forcing a failure. [ 278.633271][ T2696] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 278.643576][ T2698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 278.643581][ T2698] Call Trace: [ 278.643597][ T2698] dump_stack_lvl+0x1e2/0x24b [ 278.643609][ T2698] ? bfq_pos_tree_add_move+0x43e/0x43e [ 278.643618][ T2698] ? vsnprintf+0x1fa/0x1cd0 [ 278.643629][ T2698] dump_stack+0x15/0x17 [ 278.643639][ T2698] should_fail+0x3c0/0x510 [ 278.643649][ T2698] should_fail_usercopy+0x1a/0x20 [ 278.643659][ T2698] _copy_from_user+0x20/0xd0 [ 278.643668][ T2698] kstrtouint_from_user+0xd7/0x2b0 [ 278.643689][ T2698] ? kstrtol_from_user+0x310/0x310 [ 278.714714][ T2698] ? snprintf+0xd6/0x120 [ 278.719076][ T2698] ? avc_policy_seqno+0x1b/0x70 [ 278.724013][ T2698] ? selinux_file_permission+0x2a9/0x520 [ 278.730086][ T2698] proc_fail_nth_write+0xa5/0x290 [ 278.736499][ T2698] ? security_file_permission+0x9d/0xc0 [ 278.742029][ T2698] ? proc_fail_nth_read+0x220/0x220 [ 278.747208][ T2698] ? security_file_permission+0xa8/0xc0 [ 278.753104][ T2698] ? rw_verify_area+0x1c2/0x360 [ 278.758543][ T2698] ? proc_fail_nth_read+0x220/0x220 [ 278.763815][ T2698] vfs_write+0x39b/0xf80 [ 278.768234][ T2698] ? kernel_write+0x420/0x420 [ 278.772892][ T2698] ? __kasan_check_write+0x14/0x20 [ 278.778080][ T2698] ? mutex_lock+0xb2/0x1e0 [ 278.782656][ T2698] ? mutex_trylock+0x180/0x180 [ 278.787402][ T2698] ? __fdget_pos+0x26d/0x310 [ 278.791988][ T2698] ? ksys_write+0x77/0x2c0 [ 278.796757][ T2698] ksys_write+0x198/0x2c0 [ 278.801170][ T2698] ? __ia32_sys_read+0x90/0x90 [ 278.806030][ T2698] ? debug_smp_processor_id+0x17/0x20 [ 278.811393][ T2698] __x64_sys_write+0x7b/0x90 [ 278.816068][ T2698] do_syscall_64+0x34/0x70 [ 278.820475][ T2698] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 278.826439][ T2698] RIP: 0033:0x7f022ab05b5f [ 278.831013][ T2698] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 278.851588][ T2698] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 278.860008][ T2698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 278.868153][ T2698] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 278.876383][ T2698] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 278.884956][ T2698] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 278.892925][ T2698] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 278.901003][ T2696] CPU: 1 PID: 2696 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 278.911820][ T2701] FAULT_INJECTION: forcing a failure. [ 278.911820][ T2701] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 278.916756][ T2696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 278.916766][ T2696] Call Trace: [ 278.916786][ T2696] dump_stack_lvl+0x1e2/0x24b [ 278.916798][ T2696] ? bfq_pos_tree_add_move+0x43e/0x43e [ 278.916808][ T2696] ? vsnprintf+0x1fa/0x1cd0 [ 278.916820][ T2696] dump_stack+0x15/0x17 [ 278.916851][ T2696] should_fail+0x3c0/0x510 [ 278.967099][ T2696] should_fail_usercopy+0x1a/0x20 [ 278.972474][ T2696] _copy_from_user+0x20/0xd0 [ 278.977073][ T2696] kstrtouint_from_user+0xd7/0x2b0 [ 278.982274][ T2696] ? kstrtol_from_user+0x310/0x310 [ 278.988075][ T2696] ? snprintf+0xd6/0x120 [ 278.992313][ T2696] ? avc_policy_seqno+0x1b/0x70 [ 278.997181][ T2696] ? selinux_file_permission+0x2a9/0x520 [ 279.002883][ T2696] proc_fail_nth_write+0xa5/0x290 [ 279.007983][ T2696] ? security_file_permission+0x9d/0xc0 [ 279.013708][ T2696] ? proc_fail_nth_read+0x220/0x220 [ 279.019152][ T2696] ? security_file_permission+0xa8/0xc0 [ 279.024681][ T2696] ? rw_verify_area+0x1c2/0x360 [ 279.029524][ T2696] ? proc_fail_nth_read+0x220/0x220 [ 279.034707][ T2696] vfs_write+0x39b/0xf80 [ 279.038949][ T2696] ? kernel_write+0x420/0x420 [ 279.043629][ T2696] ? __kasan_check_write+0x14/0x20 [ 279.048901][ T2696] ? mutex_lock+0xb2/0x1e0 [ 279.053306][ T2696] ? mutex_trylock+0x180/0x180 [ 279.058263][ T2696] ? __fdget_pos+0x26d/0x310 [ 279.062846][ T2696] ? ksys_write+0x77/0x2c0 [ 279.067424][ T2696] ksys_write+0x198/0x2c0 [ 279.071990][ T2696] ? __kasan_check_write+0x14/0x20 [ 279.077432][ T2696] ? __ia32_sys_read+0x90/0x90 [ 279.082385][ T2696] ? debug_smp_processor_id+0x17/0x20 [ 279.087767][ T2696] __x64_sys_write+0x7b/0x90 [ 279.092470][ T2696] do_syscall_64+0x34/0x70 [ 279.097058][ T2696] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 279.103114][ T2696] RIP: 0033:0x7f7d1c31ab5f [ 279.107518][ T2696] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 279.125439][ T2702] FAULT_INJECTION: forcing a failure. [ 279.125439][ T2702] name failslab, interval 1, probability 0, space 0, times 0 [ 279.127414][ T2696] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 279.127427][ T2696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 279.127442][ T2696] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 279.165083][ T2696] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 279.173137][ T2696] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 279.181285][ T2696] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 279.190186][ T2702] CPU: 0 PID: 2702 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 279.200938][ T2702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 279.211152][ T2702] Call Trace: [ 279.214529][ T2702] dump_stack_lvl+0x1e2/0x24b [ 279.219459][ T2702] ? panic+0x7d7/0x7d7 [ 279.223533][ T2702] ? bfq_pos_tree_add_move+0x43e/0x43e [ 279.229335][ T2702] ? find_next_bit+0xd6/0x120 [ 279.234091][ T2702] ? cpumask_next+0x11/0x30 [ 279.239041][ T2702] dump_stack+0x15/0x17 [ 279.243351][ T2702] should_fail+0x3c0/0x510 [ 279.247766][ T2702] ? percpu_ref_init+0xd0/0x340 [ 279.252680][ T2702] __should_failslab+0x9f/0xe0 [ 279.257616][ T2702] should_failslab+0x9/0x20 [ 279.262098][ T2702] kmem_cache_alloc_trace+0x3a/0x330 [ 279.267448][ T2702] percpu_ref_init+0xd0/0x340 [ 279.272106][ T2702] ? cgroup_setup_root+0xea0/0xea0 [ 279.277191][ T2702] cgroup_apply_control_enable+0x3a2/0x12f0 [ 279.283149][ T2702] ? cgroup_reconfigure+0xe0/0xe0 [ 279.288239][ T2702] cgroup_apply_control+0x8e/0x7e0 [ 279.293415][ T2702] ? css_next_child+0x160/0x160 [ 279.298332][ T2702] ? io_schedule+0x120/0x120 [ 279.303432][ T2702] ? kernfs_fop_write_iter+0x15e/0x410 [ 279.308985][ T2702] ? __kasan_check_write+0x14/0x20 [ 279.314174][ T2702] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 279.319708][ T2702] cgroup_subtree_control_write+0xd19/0x1310 [ 279.325664][ T2702] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 279.331706][ T2702] ? __kasan_check_write+0x14/0x20 [ 279.336976][ T2702] ? _copy_from_iter+0x3fb/0xd60 [ 279.341980][ T2702] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 279.348020][ T2702] cgroup_file_write+0x28e/0x590 [ 279.353024][ T2702] ? cgroup_seqfile_stop+0xc0/0xc0 [ 279.358211][ T2702] ? mutex_trylock+0x180/0x180 [ 279.363050][ T2702] ? __kasan_check_write+0x14/0x20 [ 279.368231][ T2702] kernfs_fop_write_iter+0x2d0/0x410 [ 279.373495][ T2702] ? cgroup_seqfile_stop+0xc0/0xc0 [ 279.378771][ T2702] vfs_write+0xc4a/0xf80 [ 279.383088][ T2702] ? kernel_write+0x420/0x420 [ 279.387792][ T2702] ? mutex_lock+0xb2/0x1e0 [ 279.392567][ T2702] ? mutex_trylock+0x180/0x180 [ 279.397319][ T2702] ? __fdget_pos+0x26d/0x310 [ 279.401975][ T2702] ? ksys_write+0x77/0x2c0 [ 279.406491][ T2702] ksys_write+0x198/0x2c0 [ 279.411008][ T2702] ? __ia32_sys_read+0x90/0x90 [ 279.416010][ T2702] ? debug_smp_processor_id+0x17/0x20 [ 279.421444][ T2702] __x64_sys_write+0x7b/0x90 [ 279.426469][ T2702] do_syscall_64+0x34/0x70 [ 279.431295][ T2702] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 279.437364][ T2702] RIP: 0033:0x7f85191c4049 [ 279.441847][ T2702] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 279.461746][ T2702] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 279.470745][ T2702] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 279.478791][ T2702] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 279.487229][ T2702] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 279.495180][ T2702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 279.503412][ T2702] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 279.512899][ T2694] CPU: 1 PID: 2694 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 279.523502][ T2694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 279.533723][ T2694] Call Trace: [ 279.537116][ T2694] dump_stack_lvl+0x1e2/0x24b [ 279.542014][ T2694] ? bfq_pos_tree_add_move+0x43e/0x43e [ 279.547654][ T2694] ? vsnprintf+0x1fa/0x1cd0 [ 279.552252][ T2694] dump_stack+0x15/0x17 [ 279.556503][ T2694] should_fail+0x3c0/0x510 [ 279.561100][ T2694] should_fail_usercopy+0x1a/0x20 [ 279.566103][ T2694] _copy_from_user+0x20/0xd0 [ 279.570783][ T2694] kstrtouint_from_user+0xd7/0x2b0 [ 279.576251][ T2694] ? kstrtol_from_user+0x310/0x310 [ 279.581428][ T2694] ? snprintf+0xd6/0x120 [ 279.585658][ T2694] ? avc_policy_seqno+0x1b/0x70 [ 279.590491][ T2694] ? selinux_file_permission+0x2a9/0x520 [ 279.596115][ T2694] proc_fail_nth_write+0xa5/0x290 [ 279.601234][ T2694] ? security_file_permission+0x9d/0xc0 [ 279.607003][ T2694] ? proc_fail_nth_read+0x220/0x220 [ 279.612789][ T2694] ? security_file_permission+0xa8/0xc0 [ 279.618314][ T2694] ? rw_verify_area+0x1c2/0x360 [ 279.623146][ T2694] ? proc_fail_nth_read+0x220/0x220 [ 279.628514][ T2694] vfs_write+0x39b/0xf80 [ 279.632935][ T2694] ? kernel_write+0x420/0x420 [ 279.637695][ T2694] ? __kasan_check_write+0x14/0x20 [ 279.642792][ T2694] ? mutex_lock+0xb2/0x1e0 [ 279.647201][ T2694] ? mutex_trylock+0x180/0x180 [ 279.651948][ T2694] ? __fdget_pos+0x26d/0x310 [ 279.656518][ T2694] ? ksys_write+0x77/0x2c0 [ 279.661091][ T2694] ksys_write+0x198/0x2c0 [ 279.665403][ T2694] ? __kasan_check_write+0x14/0x20 [ 279.670537][ T2694] ? __ia32_sys_read+0x90/0x90 [ 279.675288][ T2694] ? debug_smp_processor_id+0x17/0x20 [ 279.681421][ T2694] __x64_sys_write+0x7b/0x90 [ 279.686079][ T2694] do_syscall_64+0x34/0x70 [ 279.690500][ T2694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 279.696465][ T2694] RIP: 0033:0x7f869ba6eb5f [ 279.700988][ T2694] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 279.721163][ T2694] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 279.729566][ T2694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 279.737522][ T2694] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 279.745652][ T2694] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 279.753804][ T2694] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 279.761929][ T2694] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 279.769930][ T2701] CPU: 0 PID: 2701 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 279.780245][ T2701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 279.790368][ T2701] Call Trace: [ 279.793728][ T2701] dump_stack_lvl+0x1e2/0x24b [ 279.798388][ T2701] ? bfq_pos_tree_add_move+0x43e/0x43e [ 279.803823][ T2701] ? vsnprintf+0x1fa/0x1cd0 [ 279.808431][ T2701] dump_stack+0x15/0x17 [ 279.812650][ T2701] should_fail+0x3c0/0x510 [ 279.817136][ T2701] should_fail_usercopy+0x1a/0x20 [ 279.822246][ T2701] _copy_from_user+0x20/0xd0 [ 279.827001][ T2701] kstrtouint_from_user+0xd7/0x2b0 [ 279.832277][ T2701] ? kstrtol_from_user+0x310/0x310 [ 279.837365][ T2701] ? snprintf+0xd6/0x120 [ 279.841583][ T2701] ? avc_policy_seqno+0x1b/0x70 [ 279.846817][ T2701] ? selinux_file_permission+0x2a9/0x520 [ 279.852947][ T2701] proc_fail_nth_write+0xa5/0x290 [ 279.857954][ T2701] ? security_file_permission+0x9d/0xc0 [ 279.863522][ T2701] ? proc_fail_nth_read+0x220/0x220 [ 279.868722][ T2701] ? security_file_permission+0xa8/0xc0 [ 279.874465][ T2701] ? rw_verify_area+0x1c2/0x360 [ 279.879401][ T2701] ? proc_fail_nth_read+0x220/0x220 [ 279.884687][ T2701] vfs_write+0x39b/0xf80 [ 279.889093][ T2701] ? kernel_write+0x420/0x420 [ 279.893772][ T2701] ? __kasan_check_write+0x14/0x20 [ 279.899293][ T2701] ? mutex_lock+0xb2/0x1e0 [ 279.903856][ T2701] ? mutex_trylock+0x180/0x180 [ 279.908620][ T2701] ? __fdget_pos+0x26d/0x310 [ 279.913277][ T2701] ? ksys_write+0x77/0x2c0 [ 279.917844][ T2701] ksys_write+0x198/0x2c0 [ 279.922421][ T2701] ? __ia32_sys_read+0x90/0x90 [ 279.927340][ T2701] ? debug_smp_processor_id+0x17/0x20 [ 279.933869][ T2701] __x64_sys_write+0x7b/0x90 [ 279.938630][ T2701] do_syscall_64+0x34/0x70 [ 279.943025][ T2701] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 279.949414][ T2701] RIP: 0033:0x7f6ebe0d0b5f [ 279.954104][ T2701] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 279.974370][ T2701] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 279.983056][ T2701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 279.991325][ T2701] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 279.999990][ T2701] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 280.008341][ T2701] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 280.016377][ T2701] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 280.029038][ T2706] FAULT_INJECTION: forcing a failure. [ 280.029038][ T2706] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.033545][ T2695] CPU: 0 PID: 2695 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 280.047613][ T2707] FAULT_INJECTION: forcing a failure. [ 280.047613][ T2707] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.052545][ T2695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 280.052550][ T2695] Call Trace: [ 280.052568][ T2695] dump_stack_lvl+0x1e2/0x24b [ 280.052586][ T2695] ? bfq_pos_tree_add_move+0x43e/0x43e [ 280.068818][ T2709] FAULT_INJECTION: forcing a failure. [ 280.068818][ T2709] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.077158][ T2695] ? vsnprintf+0x1fa/0x1cd0 [ 280.077172][ T2695] dump_stack+0x15/0x17 [ 280.077181][ T2695] should_fail+0x3c0/0x510 [ 280.077190][ T2695] should_fail_usercopy+0x1a/0x20 [ 280.077208][ T2695] _copy_from_user+0x20/0xd0 [ 280.127555][ T2695] kstrtouint_from_user+0xd7/0x2b0 [ 280.132746][ T2695] ? kstrtol_from_user+0x310/0x310 [ 280.137961][ T2695] ? snprintf+0xd6/0x120 [ 280.142272][ T2695] ? avc_policy_seqno+0x1b/0x70 [ 280.147192][ T2695] ? selinux_file_permission+0x2a9/0x520 [ 280.152809][ T2695] proc_fail_nth_write+0xa5/0x290 [ 280.158164][ T2695] ? security_file_permission+0x9d/0xc0 [ 280.163777][ T2695] ? proc_fail_nth_read+0x220/0x220 [ 280.169042][ T2695] ? security_file_permission+0xa8/0xc0 [ 280.174567][ T2695] ? rw_verify_area+0x1c2/0x360 [ 280.179485][ T2695] ? proc_fail_nth_read+0x220/0x220 [ 280.184752][ T2695] vfs_write+0x39b/0xf80 [ 280.189131][ T2695] ? kernel_write+0x420/0x420 [ 280.193874][ T2695] ? __kasan_check_write+0x14/0x20 [ 280.198983][ T2695] ? mutex_lock+0xb2/0x1e0 [ 280.203377][ T2695] ? mutex_trylock+0x180/0x180 [ 280.208347][ T2695] ? __fdget_pos+0x26d/0x310 [ 280.212924][ T2695] ? ksys_write+0x77/0x2c0 [ 280.217504][ T2695] ksys_write+0x198/0x2c0 [ 280.221812][ T2695] ? __kasan_check_write+0x14/0x20 [ 280.227006][ T2695] ? __ia32_sys_read+0x90/0x90 [ 280.232096][ T2695] ? debug_smp_processor_id+0x17/0x20 [ 280.237447][ T2695] __x64_sys_write+0x7b/0x90 [ 280.242128][ T2695] do_syscall_64+0x34/0x70 [ 280.246578][ T2695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 280.252470][ T2695] RIP: 0033:0x7faa22393b5f [ 280.258105][ T2695] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 280.277794][ T2695] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 280.286722][ T2695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 280.294847][ T2695] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 280.303149][ T2695] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 280.312341][ T2695] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 280.321095][ T2695] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 280.329420][ T2706] CPU: 1 PID: 2706 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 280.339852][ T2706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 280.349907][ T2706] Call Trace: [ 280.353306][ T2706] dump_stack_lvl+0x1e2/0x24b [ 280.357982][ T2706] ? bfq_pos_tree_add_move+0x43e/0x43e [ 280.363594][ T2706] ? vsnprintf+0x1fa/0x1cd0 [ 280.368434][ T2706] dump_stack+0x15/0x17 [ 280.372605][ T2706] should_fail+0x3c0/0x510 [ 280.377128][ T2706] should_fail_usercopy+0x1a/0x20 [ 280.382523][ T2706] _copy_from_user+0x20/0xd0 [ 280.387385][ T2706] kstrtouint_from_user+0xd7/0x2b0 [ 280.392588][ T2706] ? kstrtol_from_user+0x310/0x310 [ 280.398079][ T2706] ? snprintf+0xd6/0x120 [ 280.402320][ T2706] ? avc_policy_seqno+0x1b/0x70 [ 280.407244][ T2706] ? selinux_file_permission+0x2a9/0x520 [ 280.412972][ T2706] proc_fail_nth_write+0xa5/0x290 [ 280.418072][ T2706] ? security_file_permission+0x9d/0xc0 [ 280.423823][ T2706] ? proc_fail_nth_read+0x220/0x220 [ 280.429207][ T2706] ? security_file_permission+0xa8/0xc0 [ 280.434744][ T2706] ? rw_verify_area+0x1c2/0x360 [ 280.439586][ T2706] ? proc_fail_nth_read+0x220/0x220 [ 280.445039][ T2706] vfs_write+0x39b/0xf80 [ 280.449266][ T2706] ? kernel_write+0x420/0x420 [ 280.453960][ T2706] ? __kasan_check_write+0x14/0x20 [ 280.459052][ T2706] ? mutex_lock+0xb2/0x1e0 [ 280.463444][ T2706] ? mutex_trylock+0x180/0x180 [ 280.468194][ T2706] ? __fdget_pos+0x26d/0x310 [ 280.472766][ T2706] ? ksys_write+0x77/0x2c0 [ 280.477186][ T2706] ksys_write+0x198/0x2c0 [ 280.481502][ T2706] ? __kasan_check_write+0x14/0x20 [ 280.486709][ T2706] ? __ia32_sys_read+0x90/0x90 [ 280.491493][ T2706] ? debug_smp_processor_id+0x17/0x20 [ 280.496894][ T2706] __x64_sys_write+0x7b/0x90 [ 280.502014][ T2706] do_syscall_64+0x34/0x70 [ 280.506442][ T2706] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 280.512414][ T2706] RIP: 0033:0x7f022ab05b5f [ 280.517119][ T2706] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 280.536793][ T2706] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 280.545501][ T2706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 280.553560][ T2706] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 280.561704][ T2706] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 280.569766][ T2706] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 280.577921][ T2706] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 280.586065][ T2709] CPU: 0 PID: 2709 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 280.596588][ T2709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 280.607027][ T2709] Call Trace: [ 280.610398][ T2709] dump_stack_lvl+0x1e2/0x24b [ 280.615237][ T2709] ? bfq_pos_tree_add_move+0x43e/0x43e [ 280.620682][ T2709] ? vsnprintf+0x1fa/0x1cd0 [ 280.625176][ T2709] dump_stack+0x15/0x17 [ 280.629402][ T2709] should_fail+0x3c0/0x510 [ 280.633795][ T2709] should_fail_usercopy+0x1a/0x20 [ 280.638795][ T2709] _copy_from_user+0x20/0xd0 [ 280.643362][ T2709] kstrtouint_from_user+0xd7/0x2b0 [ 280.648609][ T2709] ? kstrtol_from_user+0x310/0x310 [ 280.653895][ T2709] ? snprintf+0xd6/0x120 [ 280.658323][ T2709] ? avc_policy_seqno+0x1b/0x70 [ 280.663971][ T2709] ? selinux_file_permission+0x2a9/0x520 [ 280.669634][ T2709] proc_fail_nth_write+0xa5/0x290 [ 280.674665][ T2709] ? security_file_permission+0x9d/0xc0 [ 280.680291][ T2709] ? proc_fail_nth_read+0x220/0x220 [ 280.685638][ T2709] ? security_file_permission+0xa8/0xc0 [ 280.691261][ T2709] ? rw_verify_area+0x1c2/0x360 [ 280.696436][ T2709] ? proc_fail_nth_read+0x220/0x220 [ 280.701637][ T2709] vfs_write+0x39b/0xf80 [ 280.705989][ T2709] ? kernel_write+0x420/0x420 [ 280.710639][ T2709] ? __kasan_check_write+0x14/0x20 [ 280.715754][ T2709] ? mutex_lock+0xb2/0x1e0 [ 280.720163][ T2709] ? mutex_trylock+0x180/0x180 [ 280.725010][ T2709] ? __fdget_pos+0x26d/0x310 [ 280.729935][ T2709] ? ksys_write+0x77/0x2c0 [ 280.734579][ T2709] ksys_write+0x198/0x2c0 [ 280.739014][ T2709] ? __ia32_sys_read+0x90/0x90 [ 280.744150][ T2709] ? debug_smp_processor_id+0x17/0x20 [ 280.750632][ T2709] __x64_sys_write+0x7b/0x90 [ 280.755561][ T2709] do_syscall_64+0x34/0x70 [ 280.760172][ T2709] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 280.766423][ T2709] RIP: 0033:0x7f869ba6eb5f [ 280.771732][ T2709] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 280.792020][ T2709] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 280.800547][ T2709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 280.808518][ T2709] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 280.816913][ T2709] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 280.824965][ T2709] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 280.833278][ T2709] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 280.844667][ T2714] FAULT_INJECTION: forcing a failure. [ 280.844667][ T2714] name failslab, interval 1, probability 0, space 0, times 0 [ 280.857466][ T2707] CPU: 0 PID: 2707 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 280.868061][ T2707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 280.878616][ T2707] Call Trace: [ 280.881897][ T2707] dump_stack_lvl+0x1e2/0x24b [ 280.886708][ T2707] ? bfq_pos_tree_add_move+0x43e/0x43e [ 280.892145][ T2707] ? vsnprintf+0x1fa/0x1cd0 [ 280.896714][ T2707] dump_stack+0x15/0x17 [ 280.901121][ T2707] should_fail+0x3c0/0x510 [ 280.905688][ T2707] should_fail_usercopy+0x1a/0x20 [ 280.910732][ T2707] _copy_from_user+0x20/0xd0 [ 280.915309][ T2707] kstrtouint_from_user+0xd7/0x2b0 [ 280.920416][ T2707] ? kstrtol_from_user+0x310/0x310 [ 280.925642][ T2707] ? snprintf+0xd6/0x120 [ 280.929981][ T2707] ? avc_policy_seqno+0x1b/0x70 [ 280.935275][ T2707] ? selinux_file_permission+0x2a9/0x520 [ 280.941026][ T2707] proc_fail_nth_write+0xa5/0x290 [ 280.946129][ T2707] ? security_file_permission+0x9d/0xc0 [ 280.951675][ T2707] ? proc_fail_nth_read+0x220/0x220 [ 280.956884][ T2707] ? security_file_permission+0xa8/0xc0 [ 280.962414][ T2707] ? rw_verify_area+0x1c2/0x360 [ 280.967346][ T2707] ? proc_fail_nth_read+0x220/0x220 [ 280.972969][ T2707] vfs_write+0x39b/0xf80 [ 280.977225][ T2707] ? kernel_write+0x420/0x420 [ 280.982001][ T2707] ? __kasan_check_write+0x14/0x20 [ 280.987107][ T2707] ? mutex_lock+0xb2/0x1e0 [ 280.992584][ T2707] ? mutex_trylock+0x180/0x180 [ 280.997422][ T2707] ? __fdget_pos+0x26d/0x310 [ 281.002281][ T2707] ? ksys_write+0x77/0x2c0 [ 281.006790][ T2707] ksys_write+0x198/0x2c0 [ 281.011103][ T2707] ? __kasan_check_write+0x14/0x20 [ 281.016194][ T2707] ? __ia32_sys_read+0x90/0x90 [ 281.021267][ T2707] ? debug_smp_processor_id+0x17/0x20 [ 281.026702][ T2707] __x64_sys_write+0x7b/0x90 [ 281.031269][ T2707] do_syscall_64+0x34/0x70 [ 281.035752][ T2707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 281.041712][ T2707] RIP: 0033:0x7f7d1c31ab5f [ 281.046454][ T2707] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 281.066319][ T2707] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 281.075688][ T2707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 281.083739][ T2707] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 281.092632][ T2707] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 281.100877][ T2707] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 281.108826][ T2707] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 281.120035][ T2714] CPU: 0 PID: 2714 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 281.131528][ T2714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 281.141877][ T2714] Call Trace: [ 281.146662][ T2714] dump_stack_lvl+0x1e2/0x24b [ 281.151397][ T2714] ? panic+0x7d7/0x7d7 [ 281.155477][ T2714] ? bfq_pos_tree_add_move+0x43e/0x43e [ 281.161289][ T2714] ? find_next_bit+0xd6/0x120 [ 281.166477][ T2714] ? cpumask_next+0x11/0x30 [ 281.170979][ T2714] dump_stack+0x15/0x17 [ 281.175127][ T2714] should_fail+0x3c0/0x510 [ 281.179616][ T2714] ? percpu_ref_init+0xd0/0x340 [ 281.184466][ T2714] __should_failslab+0x9f/0xe0 [ 281.189309][ T2714] should_failslab+0x9/0x20 [ 281.193798][ T2714] kmem_cache_alloc_trace+0x3a/0x330 [ 281.199324][ T2714] percpu_ref_init+0xd0/0x340 [ 281.204074][ T2714] ? cgroup_setup_root+0xea0/0xea0 [ 281.210085][ T2714] cgroup_apply_control_enable+0x3a2/0x12f0 [ 281.216308][ T2714] ? cgroup_reconfigure+0xe0/0xe0 [ 281.221437][ T2714] cgroup_apply_control+0x8e/0x7e0 [ 281.226618][ T2714] ? css_next_child+0x160/0x160 [ 281.231650][ T2714] ? io_schedule+0x120/0x120 [ 281.236752][ T2714] ? kernfs_fop_write_iter+0x15e/0x410 [ 281.242372][ T2714] ? __kasan_check_write+0x14/0x20 [ 281.247619][ T2714] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 281.252903][ T2714] cgroup_subtree_control_write+0xd19/0x1310 [ 281.258873][ T2714] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 281.265235][ T2714] ? __kasan_check_write+0x14/0x20 [ 281.270689][ T2714] ? _copy_from_iter+0x3fb/0xd60 [ 281.276481][ T2714] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 281.282540][ T2714] cgroup_file_write+0x28e/0x590 [ 281.287617][ T2714] ? cgroup_seqfile_stop+0xc0/0xc0 [ 281.293274][ T2714] ? mutex_trylock+0x180/0x180 [ 281.298271][ T2714] ? __kasan_check_write+0x14/0x20 [ 281.304241][ T2714] kernfs_fop_write_iter+0x2d0/0x410 [ 281.309933][ T2714] ? cgroup_seqfile_stop+0xc0/0xc0 [ 281.315253][ T2714] vfs_write+0xc4a/0xf80 [ 281.319479][ T2714] ? kernel_write+0x420/0x420 [ 281.324149][ T2714] ? mutex_lock+0xb2/0x1e0 [ 281.328672][ T2714] ? mutex_trylock+0x180/0x180 [ 281.333680][ T2714] ? __fdget_pos+0x26d/0x310 [ 281.338256][ T2714] ? ksys_write+0x77/0x2c0 [ 281.343118][ T2714] ksys_write+0x198/0x2c0 [ 281.347559][ T2714] ? __ia32_sys_read+0x90/0x90 [ 281.352666][ T2714] ? debug_smp_processor_id+0x17/0x20 [ 281.358050][ T2714] __x64_sys_write+0x7b/0x90 [ 281.362748][ T2714] do_syscall_64+0x34/0x70 [ 281.367185][ T2714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 281.373191][ T2714] RIP: 0033:0x7f85191c4049 [ 281.377704][ T2714] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 281.398850][ T2714] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 281.407606][ T2714] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 281.416234][ T2714] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 281.425410][ T2714] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 281.433471][ T2714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 281.441522][ T2714] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 281.450257][ T2713] FAULT_INJECTION: forcing a failure. [ 281.450257][ T2713] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.450467][ T2715] FAULT_INJECTION: forcing a failure. [ 281.450467][ T2715] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.464596][ T2713] CPU: 0 PID: 2713 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 281.479795][ T2720] FAULT_INJECTION: forcing a failure. [ 281.479795][ T2720] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.487344][ T2713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 281.487349][ T2713] Call Trace: [ 281.487368][ T2713] dump_stack_lvl+0x1e2/0x24b [ 281.487378][ T2713] ? bfq_pos_tree_add_move+0x43e/0x43e [ 281.487388][ T2713] ? vsnprintf+0x1fa/0x1cd0 [ 281.487397][ T2713] dump_stack+0x15/0x17 [ 281.487414][ T2713] should_fail+0x3c0/0x510 [ 281.500784][ T2721] FAULT_INJECTION: forcing a failure. [ 281.500784][ T2721] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.511509][ T2713] should_fail_usercopy+0x1a/0x20 [ 281.511520][ T2713] _copy_from_user+0x20/0xd0 [ 281.511530][ T2713] kstrtouint_from_user+0xd7/0x2b0 [ 281.511539][ T2713] ? kstrtol_from_user+0x310/0x310 [ 281.511546][ T2713] ? snprintf+0xd6/0x120 [ 281.511563][ T2713] ? avc_policy_seqno+0x1b/0x70 [ 281.515033][ T2719] FAULT_INJECTION: forcing a failure. [ 281.515033][ T2719] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.519849][ T2713] ? selinux_file_permission+0x2a9/0x520 [ 281.519859][ T2713] proc_fail_nth_write+0xa5/0x290 [ 281.519875][ T2713] ? security_file_permission+0x9d/0xc0 [ 281.611882][ T2713] ? proc_fail_nth_read+0x220/0x220 [ 281.617347][ T2713] ? security_file_permission+0xa8/0xc0 [ 281.622956][ T2713] ? rw_verify_area+0x1c2/0x360 [ 281.629402][ T2713] ? proc_fail_nth_read+0x220/0x220 [ 281.634782][ T2713] vfs_write+0x39b/0xf80 [ 281.639010][ T2713] ? kernel_write+0x420/0x420 [ 281.644055][ T2713] ? __kasan_check_write+0x14/0x20 [ 281.649238][ T2713] ? mutex_lock+0xb2/0x1e0 [ 281.653721][ T2713] ? mutex_trylock+0x180/0x180 [ 281.658598][ T2713] ? __fdget_pos+0x26d/0x310 [ 281.663173][ T2713] ? ksys_write+0x77/0x2c0 [ 281.667835][ T2713] ksys_write+0x198/0x2c0 [ 281.672151][ T2713] ? __kasan_check_write+0x14/0x20 [ 281.677518][ T2713] ? __ia32_sys_read+0x90/0x90 [ 281.682439][ T2713] ? debug_smp_processor_id+0x17/0x20 [ 281.688246][ T2713] __x64_sys_write+0x7b/0x90 [ 281.693057][ T2713] do_syscall_64+0x34/0x70 [ 281.697459][ T2713] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 281.703505][ T2713] RIP: 0033:0x7faa22393b5f [ 281.707993][ T2713] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 281.729172][ T2713] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 281.737886][ T2713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 281.746126][ T2713] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 281.754439][ T2713] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 281.762397][ T2713] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 281.770801][ T2713] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 281.779197][ T2721] CPU: 1 PID: 2721 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 281.789966][ T2721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 281.800439][ T2721] Call Trace: [ 281.804070][ T2721] dump_stack_lvl+0x1e2/0x24b [ 281.808914][ T2721] ? bfq_pos_tree_add_move+0x43e/0x43e [ 281.814447][ T2721] ? vsnprintf+0x1fa/0x1cd0 [ 281.818952][ T2721] dump_stack+0x15/0x17 [ 281.823091][ T2721] should_fail+0x3c0/0x510 [ 281.827663][ T2721] should_fail_usercopy+0x1a/0x20 [ 281.832701][ T2721] _copy_from_user+0x20/0xd0 [ 281.838094][ T2721] kstrtouint_from_user+0xd7/0x2b0 [ 281.843203][ T2721] ? kstrtol_from_user+0x310/0x310 [ 281.848305][ T2721] ? snprintf+0xd6/0x120 [ 281.852622][ T2721] ? avc_policy_seqno+0x1b/0x70 [ 281.857652][ T2721] ? selinux_file_permission+0x2a9/0x520 [ 281.863289][ T2721] proc_fail_nth_write+0xa5/0x290 [ 281.868294][ T2721] ? security_file_permission+0x9d/0xc0 [ 281.874143][ T2721] ? proc_fail_nth_read+0x220/0x220 [ 281.879928][ T2721] ? security_file_permission+0xa8/0xc0 [ 281.885744][ T2721] ? rw_verify_area+0x1c2/0x360 [ 281.891754][ T2721] ? proc_fail_nth_read+0x220/0x220 [ 281.897375][ T2721] vfs_write+0x39b/0xf80 [ 281.901904][ T2721] ? kernel_write+0x420/0x420 [ 281.906769][ T2721] ? __kasan_check_write+0x14/0x20 [ 281.912139][ T2721] ? mutex_lock+0xb2/0x1e0 [ 281.917060][ T2721] ? mutex_trylock+0x180/0x180 [ 281.922179][ T2721] ? __fdget_pos+0x26d/0x310 [ 281.927126][ T2721] ? ksys_write+0x77/0x2c0 [ 281.932093][ T2721] ksys_write+0x198/0x2c0 [ 281.936943][ T2721] ? __kasan_check_write+0x14/0x20 [ 281.942046][ T2721] ? __ia32_sys_read+0x90/0x90 [ 281.946798][ T2721] ? debug_smp_processor_id+0x17/0x20 [ 281.952161][ T2721] __x64_sys_write+0x7b/0x90 [ 281.956819][ T2721] do_syscall_64+0x34/0x70 [ 281.961239][ T2721] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 281.967372][ T2721] RIP: 0033:0x7f7d1c31ab5f [ 281.971773][ T2721] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 281.991759][ T2721] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 282.003802][ T2721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 282.011884][ T2721] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 282.020276][ T2721] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 282.028357][ T2721] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 282.036828][ T2721] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 282.046761][ T2719] CPU: 0 PID: 2719 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 282.057184][ T2719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 282.067253][ T2719] Call Trace: [ 282.070546][ T2719] dump_stack_lvl+0x1e2/0x24b [ 282.075224][ T2719] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.081100][ T2719] ? vsnprintf+0x1fa/0x1cd0 [ 282.085780][ T2719] dump_stack+0x15/0x17 [ 282.090404][ T2719] should_fail+0x3c0/0x510 [ 282.094987][ T2719] should_fail_usercopy+0x1a/0x20 [ 282.100086][ T2719] _copy_from_user+0x20/0xd0 [ 282.104900][ T2719] kstrtouint_from_user+0xd7/0x2b0 [ 282.109986][ T2719] ? kstrtol_from_user+0x310/0x310 [ 282.115089][ T2719] ? snprintf+0xd6/0x120 [ 282.119349][ T2719] ? avc_policy_seqno+0x1b/0x70 [ 282.124194][ T2719] ? selinux_file_permission+0x2a9/0x520 [ 282.129985][ T2719] proc_fail_nth_write+0xa5/0x290 [ 282.135423][ T2719] ? security_file_permission+0x9d/0xc0 [ 282.140944][ T2719] ? proc_fail_nth_read+0x220/0x220 [ 282.146128][ T2719] ? security_file_permission+0xa8/0xc0 [ 282.151747][ T2719] ? rw_verify_area+0x1c2/0x360 [ 282.156574][ T2719] ? proc_fail_nth_read+0x220/0x220 [ 282.161955][ T2719] vfs_write+0x39b/0xf80 [ 282.166200][ T2719] ? kernel_write+0x420/0x420 [ 282.170941][ T2719] ? __kasan_check_write+0x14/0x20 [ 282.176025][ T2719] ? mutex_lock+0xb2/0x1e0 [ 282.180701][ T2719] ? mutex_trylock+0x180/0x180 [ 282.185445][ T2719] ? __fdget_pos+0x26d/0x310 [ 282.190148][ T2719] ? ksys_write+0x77/0x2c0 [ 282.194742][ T2719] ksys_write+0x198/0x2c0 [ 282.199099][ T2719] ? __kasan_check_write+0x14/0x20 [ 282.204477][ T2719] ? __ia32_sys_read+0x90/0x90 [ 282.209613][ T2719] ? debug_smp_processor_id+0x17/0x20 [ 282.215067][ T2719] __x64_sys_write+0x7b/0x90 [ 282.219657][ T2719] do_syscall_64+0x34/0x70 [ 282.224163][ T2719] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 282.230242][ T2719] RIP: 0033:0x7f022ab05b5f [ 282.234644][ T2719] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 282.254617][ T2719] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 282.263324][ T2719] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 282.271283][ T2719] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 282.279668][ T2719] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 282.287793][ T2719] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 282.295837][ T2719] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 282.306909][ T2723] FAULT_INJECTION: forcing a failure. [ 282.306909][ T2723] name failslab, interval 1, probability 0, space 0, times 0 [ 282.324134][ T2720] CPU: 0 PID: 2720 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 282.334558][ T2720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 282.344871][ T2720] Call Trace: [ 282.348245][ T2720] dump_stack_lvl+0x1e2/0x24b [ 282.352907][ T2720] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.358380][ T2720] ? vsnprintf+0x1fa/0x1cd0 [ 282.362992][ T2720] dump_stack+0x15/0x17 [ 282.367236][ T2720] should_fail+0x3c0/0x510 [ 282.371812][ T2720] should_fail_usercopy+0x1a/0x20 [ 282.377009][ T2720] _copy_from_user+0x20/0xd0 [ 282.381933][ T2720] kstrtouint_from_user+0xd7/0x2b0 [ 282.387288][ T2720] ? kstrtol_from_user+0x310/0x310 [ 282.392744][ T2720] ? snprintf+0xd6/0x120 [ 282.397152][ T2720] ? avc_policy_seqno+0x1b/0x70 [ 282.402157][ T2720] ? selinux_file_permission+0x2a9/0x520 [ 282.407947][ T2720] proc_fail_nth_write+0xa5/0x290 [ 282.413042][ T2720] ? security_file_permission+0x9d/0xc0 [ 282.418585][ T2720] ? proc_fail_nth_read+0x220/0x220 [ 282.424044][ T2720] ? security_file_permission+0xa8/0xc0 [ 282.430096][ T2720] ? rw_verify_area+0x1c2/0x360 [ 282.435064][ T2720] ? proc_fail_nth_read+0x220/0x220 [ 282.440333][ T2720] vfs_write+0x39b/0xf80 [ 282.444906][ T2720] ? kernel_write+0x420/0x420 [ 282.449571][ T2720] ? __kasan_check_write+0x14/0x20 [ 282.454679][ T2720] ? mutex_lock+0xb2/0x1e0 [ 282.459546][ T2720] ? mutex_trylock+0x180/0x180 [ 282.464297][ T2720] ? __fdget_pos+0x26d/0x310 [ 282.468954][ T2720] ? ksys_write+0x77/0x2c0 [ 282.473350][ T2720] ksys_write+0x198/0x2c0 [ 282.477861][ T2720] ? __kasan_check_write+0x14/0x20 [ 282.482958][ T2720] ? __ia32_sys_read+0x90/0x90 [ 282.487714][ T2720] ? debug_smp_processor_id+0x17/0x20 [ 282.493073][ T2720] __x64_sys_write+0x7b/0x90 [ 282.497680][ T2720] do_syscall_64+0x34/0x70 [ 282.502101][ T2720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 282.508077][ T2720] RIP: 0033:0x7f869ba6eb5f [ 282.512697][ T2720] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 282.534788][ T2720] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 282.543192][ T2720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 282.552045][ T2720] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 282.560281][ T2720] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 282.568453][ T2720] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 282.576696][ T2720] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 282.584850][ T2715] CPU: 1 PID: 2715 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 282.595431][ T2715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 282.606088][ T2715] Call Trace: [ 282.609562][ T2715] dump_stack_lvl+0x1e2/0x24b [ 282.614620][ T2715] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.620784][ T2715] ? vsnprintf+0x1fa/0x1cd0 [ 282.625530][ T2715] dump_stack+0x15/0x17 [ 282.629665][ T2715] should_fail+0x3c0/0x510 [ 282.634151][ T2715] should_fail_usercopy+0x1a/0x20 [ 282.639336][ T2715] _copy_from_user+0x20/0xd0 [ 282.644012][ T2715] kstrtouint_from_user+0xd7/0x2b0 [ 282.649197][ T2715] ? kstrtol_from_user+0x310/0x310 [ 282.654284][ T2715] ? snprintf+0xd6/0x120 [ 282.658681][ T2715] ? avc_policy_seqno+0x1b/0x70 [ 282.663523][ T2715] ? selinux_file_permission+0x2a9/0x520 [ 282.669395][ T2715] proc_fail_nth_write+0xa5/0x290 [ 282.674490][ T2715] ? security_file_permission+0x9d/0xc0 [ 282.680109][ T2715] ? proc_fail_nth_read+0x220/0x220 [ 282.685294][ T2715] ? security_file_permission+0xa8/0xc0 [ 282.690843][ T2715] ? rw_verify_area+0x1c2/0x360 [ 282.695684][ T2715] ? proc_fail_nth_read+0x220/0x220 [ 282.701070][ T2715] vfs_write+0x39b/0xf80 [ 282.705493][ T2715] ? kernel_write+0x420/0x420 [ 282.710167][ T2715] ? __kasan_check_write+0x14/0x20 [ 282.715582][ T2715] ? mutex_lock+0xb2/0x1e0 [ 282.719983][ T2715] ? mutex_trylock+0x180/0x180 [ 282.724729][ T2715] ? __fdget_pos+0x26d/0x310 [ 282.729329][ T2715] ? ksys_write+0x77/0x2c0 [ 282.733973][ T2715] ksys_write+0x198/0x2c0 [ 282.738648][ T2715] ? __kasan_check_write+0x14/0x20 [ 282.744705][ T2715] ? __ia32_sys_read+0x90/0x90 [ 282.749452][ T2715] ? debug_smp_processor_id+0x17/0x20 [ 282.754891][ T2715] __x64_sys_write+0x7b/0x90 [ 282.759491][ T2715] do_syscall_64+0x34/0x70 [ 282.764107][ T2715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 282.769982][ T2715] RIP: 0033:0x7f6ebe0d0b5f [ 282.774380][ T2715] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 282.794432][ T2715] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 282.803037][ T2715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 282.810991][ T2715] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 282.819277][ T2715] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 282.827414][ T2715] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 282.835749][ T2715] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 282.844460][ T2723] CPU: 0 PID: 2723 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 282.854977][ T2723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 282.865361][ T2723] Call Trace: [ 282.868634][ T2723] dump_stack_lvl+0x1e2/0x24b [ 282.873469][ T2723] ? panic+0x7d7/0x7d7 [ 282.877540][ T2723] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.883170][ T2723] ? find_next_bit+0xd6/0x120 [ 282.887881][ T2723] ? cpumask_next+0x11/0x30 [ 282.892370][ T2723] dump_stack+0x15/0x17 [ 282.896771][ T2723] should_fail+0x3c0/0x510 [ 282.901371][ T2723] ? percpu_ref_init+0xd0/0x340 [ 282.906296][ T2723] __should_failslab+0x9f/0xe0 [ 282.911230][ T2723] should_failslab+0x9/0x20 [ 282.915741][ T2723] kmem_cache_alloc_trace+0x3a/0x330 [ 282.921013][ T2723] percpu_ref_init+0xd0/0x340 [ 282.925803][ T2723] ? cgroup_setup_root+0xea0/0xea0 [ 282.930994][ T2723] cgroup_apply_control_enable+0x3a2/0x12f0 [ 282.936950][ T2723] ? cgroup_reconfigure+0xe0/0xe0 [ 282.942066][ T2723] cgroup_apply_control+0x8e/0x7e0 [ 282.947340][ T2723] ? css_next_child+0x160/0x160 [ 282.952352][ T2723] ? io_schedule+0x120/0x120 [ 282.956923][ T2723] ? kernfs_fop_write_iter+0x15e/0x410 [ 282.962361][ T2723] ? __kasan_check_write+0x14/0x20 [ 282.967740][ T2723] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 282.973367][ T2723] cgroup_subtree_control_write+0xd19/0x1310 [ 282.979488][ T2723] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 282.985461][ T2723] ? __kasan_check_write+0x14/0x20 [ 282.990837][ T2723] ? _copy_from_iter+0x3fb/0xd60 [ 282.995773][ T2723] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 283.001739][ T2723] cgroup_file_write+0x28e/0x590 [ 283.006660][ T2723] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.012010][ T2723] ? mutex_trylock+0x180/0x180 [ 283.017711][ T2723] ? __kasan_check_write+0x14/0x20 [ 283.022797][ T2723] kernfs_fop_write_iter+0x2d0/0x410 [ 283.028345][ T2723] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.033951][ T2723] vfs_write+0xc4a/0xf80 [ 283.038201][ T2723] ? kernel_write+0x420/0x420 [ 283.042940][ T2723] ? mutex_lock+0xb2/0x1e0 [ 283.047500][ T2723] ? mutex_trylock+0x180/0x180 [ 283.052737][ T2723] ? __fdget_pos+0x26d/0x310 [ 283.057415][ T2723] ? ksys_write+0x77/0x2c0 [ 283.061817][ T2723] ksys_write+0x198/0x2c0 [ 283.066214][ T2723] ? __ia32_sys_read+0x90/0x90 [ 283.071065][ T2723] ? debug_smp_processor_id+0x17/0x20 [ 283.076671][ T2723] __x64_sys_write+0x7b/0x90 [ 283.081344][ T2723] do_syscall_64+0x34/0x70 [ 283.085762][ T2723] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 283.091839][ T2723] RIP: 0033:0x7f85191c4049 [ 283.096336][ T2723] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 283.116379][ T2723] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 283.124970][ T2723] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 283.132922][ T2723] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 283.140882][ T2723] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.149131][ T2723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 283.157168][ T2723] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 283.167238][ T2730] FAULT_INJECTION: forcing a failure. [ 283.167238][ T2730] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.186414][ T2736] FAULT_INJECTION: forcing a failure. [ 283.186414][ T2736] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.188311][ T2737] FAULT_INJECTION: forcing a failure. [ 283.188311][ T2737] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.200562][ T2734] FAULT_INJECTION: forcing a failure. [ 283.200562][ T2734] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.214222][ T2730] CPU: 1 PID: 2730 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 283.237283][ T2730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 283.247414][ T2730] Call Trace: [ 283.250816][ T2730] dump_stack_lvl+0x1e2/0x24b [ 283.255589][ T2730] ? bfq_pos_tree_add_move+0x43e/0x43e [ 283.261391][ T2730] ? vsnprintf+0x1fa/0x1cd0 [ 283.265974][ T2730] dump_stack+0x15/0x17 [ 283.270120][ T2730] should_fail+0x3c0/0x510 [ 283.274534][ T2730] should_fail_usercopy+0x1a/0x20 [ 283.279575][ T2730] _copy_from_user+0x20/0xd0 [ 283.284246][ T2730] kstrtouint_from_user+0xd7/0x2b0 [ 283.289361][ T2730] ? kstrtol_from_user+0x310/0x310 [ 283.294552][ T2730] ? snprintf+0xd6/0x120 [ 283.298876][ T2730] ? avc_policy_seqno+0x1b/0x70 [ 283.303807][ T2730] ? selinux_file_permission+0x2a9/0x520 [ 283.309607][ T2730] proc_fail_nth_write+0xa5/0x290 [ 283.314712][ T2730] ? security_file_permission+0x9d/0xc0 [ 283.320370][ T2730] ? proc_fail_nth_read+0x220/0x220 [ 283.325660][ T2730] ? security_file_permission+0xa8/0xc0 [ 283.331274][ T2730] ? rw_verify_area+0x1c2/0x360 [ 283.336120][ T2730] ? proc_fail_nth_read+0x220/0x220 [ 283.341386][ T2730] vfs_write+0x39b/0xf80 [ 283.345642][ T2730] ? kernel_write+0x420/0x420 [ 283.350437][ T2730] ? __kasan_check_write+0x14/0x20 [ 283.355541][ T2730] ? mutex_lock+0xb2/0x1e0 [ 283.361175][ T2730] ? mutex_trylock+0x180/0x180 [ 283.365928][ T2730] ? __fdget_pos+0x26d/0x310 [ 283.370635][ T2730] ? ksys_write+0x77/0x2c0 [ 283.375142][ T2730] ksys_write+0x198/0x2c0 [ 283.379705][ T2730] ? __kasan_check_write+0x14/0x20 [ 283.384925][ T2730] ? __ia32_sys_read+0x90/0x90 [ 283.389697][ T2730] ? debug_smp_processor_id+0x17/0x20 [ 283.395086][ T2730] __x64_sys_write+0x7b/0x90 [ 283.399758][ T2730] do_syscall_64+0x34/0x70 [ 283.404165][ T2730] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 283.410157][ T2730] RIP: 0033:0x7f022ab05b5f [ 283.414561][ T2730] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 283.434524][ T2730] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 283.442925][ T2730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 283.451163][ T2730] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 283.459414][ T2730] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.467466][ T2730] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 283.475601][ T2730] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 283.483569][ T2734] CPU: 0 PID: 2734 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 283.493889][ T2734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 283.503950][ T2734] Call Trace: [ 283.507234][ T2734] dump_stack_lvl+0x1e2/0x24b [ 283.511895][ T2734] ? bfq_pos_tree_add_move+0x43e/0x43e [ 283.517433][ T2734] ? vsnprintf+0x1fa/0x1cd0 [ 283.522020][ T2734] dump_stack+0x15/0x17 [ 283.526175][ T2734] should_fail+0x3c0/0x510 [ 283.530853][ T2734] should_fail_usercopy+0x1a/0x20 [ 283.536088][ T2734] _copy_from_user+0x20/0xd0 [ 283.540670][ T2734] kstrtouint_from_user+0xd7/0x2b0 [ 283.545808][ T2734] ? kstrtol_from_user+0x310/0x310 [ 283.551447][ T2734] ? snprintf+0xd6/0x120 [ 283.556374][ T2734] ? avc_policy_seqno+0x1b/0x70 [ 283.561296][ T2734] ? selinux_file_permission+0x2a9/0x520 [ 283.567011][ T2734] proc_fail_nth_write+0xa5/0x290 [ 283.572104][ T2734] ? security_file_permission+0x9d/0xc0 [ 283.577804][ T2734] ? proc_fail_nth_read+0x220/0x220 [ 283.582991][ T2734] ? security_file_permission+0xa8/0xc0 [ 283.588517][ T2734] ? rw_verify_area+0x1c2/0x360 [ 283.593435][ T2734] ? proc_fail_nth_read+0x220/0x220 [ 283.598615][ T2734] vfs_write+0x39b/0xf80 [ 283.602931][ T2734] ? kernel_write+0x420/0x420 [ 283.607604][ T2734] ? __kasan_check_write+0x14/0x20 [ 283.612718][ T2734] ? mutex_lock+0xb2/0x1e0 [ 283.617116][ T2734] ? mutex_trylock+0x180/0x180 [ 283.621861][ T2734] ? __fdget_pos+0x26d/0x310 [ 283.626457][ T2734] ? ksys_write+0x77/0x2c0 [ 283.630954][ T2734] ksys_write+0x198/0x2c0 [ 283.635437][ T2734] ? __ia32_sys_read+0x90/0x90 [ 283.640294][ T2734] ? debug_smp_processor_id+0x17/0x20 [ 283.645767][ T2734] __x64_sys_write+0x7b/0x90 [ 283.650436][ T2734] do_syscall_64+0x34/0x70 [ 283.655102][ T2734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 283.660976][ T2734] RIP: 0033:0x7f7d1c31ab5f [ 283.665488][ T2734] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 283.685864][ T2734] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 283.694291][ T2734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 283.702367][ T2734] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 283.710448][ T2734] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.718679][ T2734] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 283.721029][ T2739] FAULT_INJECTION: forcing a failure. [ 283.721029][ T2739] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.726694][ T2734] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 283.730361][ T2736] CPU: 0 PID: 2736 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 283.759509][ T2736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 283.769733][ T2736] Call Trace: [ 283.773055][ T2736] dump_stack_lvl+0x1e2/0x24b [ 283.777729][ T2736] ? bfq_pos_tree_add_move+0x43e/0x43e [ 283.783174][ T2736] ? vsnprintf+0x1fa/0x1cd0 [ 283.787677][ T2736] dump_stack+0x15/0x17 [ 283.791833][ T2736] should_fail+0x3c0/0x510 [ 283.796339][ T2736] should_fail_usercopy+0x1a/0x20 [ 283.801639][ T2736] _copy_from_user+0x20/0xd0 [ 283.806218][ T2736] kstrtouint_from_user+0xd7/0x2b0 [ 283.811527][ T2736] ? kstrtol_from_user+0x310/0x310 [ 283.816712][ T2736] ? snprintf+0xd6/0x120 [ 283.820949][ T2736] ? avc_policy_seqno+0x1b/0x70 [ 283.825972][ T2736] ? selinux_file_permission+0x2a9/0x520 [ 283.831704][ T2736] proc_fail_nth_write+0xa5/0x290 [ 283.836859][ T2736] ? security_file_permission+0x9d/0xc0 [ 283.842474][ T2736] ? proc_fail_nth_read+0x220/0x220 [ 283.847947][ T2736] ? security_file_permission+0xa8/0xc0 [ 283.854107][ T2736] ? rw_verify_area+0x1c2/0x360 [ 283.859043][ T2736] ? proc_fail_nth_read+0x220/0x220 [ 283.864490][ T2736] vfs_write+0x39b/0xf80 [ 283.869591][ T2736] ? kernel_write+0x420/0x420 [ 283.874263][ T2736] ? __kasan_check_write+0x14/0x20 [ 283.879729][ T2736] ? mutex_lock+0xb2/0x1e0 [ 283.884216][ T2736] ? mutex_trylock+0x180/0x180 [ 283.888969][ T2736] ? __fdget_pos+0x26d/0x310 [ 283.893714][ T2736] ? ksys_write+0x77/0x2c0 [ 283.898540][ T2736] ksys_write+0x198/0x2c0 [ 283.903297][ T2736] ? __ia32_sys_read+0x90/0x90 [ 283.908647][ T2736] ? debug_smp_processor_id+0x17/0x20 [ 283.914172][ T2736] __x64_sys_write+0x7b/0x90 [ 283.918830][ T2736] do_syscall_64+0x34/0x70 [ 283.923453][ T2736] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 283.929339][ T2736] RIP: 0033:0x7faa22393b5f [ 283.933738][ T2736] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 283.954282][ T2736] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 283.962673][ T2736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 283.971038][ T2736] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 283.979005][ T2736] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.987397][ T2736] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 283.995977][ T2736] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 284.004806][ T2739] CPU: 1 PID: 2739 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 284.015330][ T2739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 284.019951][ T2740] FAULT_INJECTION: forcing a failure. [ 284.019951][ T2740] name failslab, interval 1, probability 0, space 0, times 0 [ 284.025984][ T2739] Call Trace: [ 284.026003][ T2739] dump_stack_lvl+0x1e2/0x24b [ 284.026014][ T2739] ? bfq_pos_tree_add_move+0x43e/0x43e [ 284.026023][ T2739] ? vsnprintf+0x1fa/0x1cd0 [ 284.026040][ T2739] dump_stack+0x15/0x17 [ 284.063436][ T2739] should_fail+0x3c0/0x510 [ 284.068039][ T2739] should_fail_usercopy+0x1a/0x20 [ 284.073196][ T2739] _copy_from_user+0x20/0xd0 [ 284.078045][ T2739] kstrtouint_from_user+0xd7/0x2b0 [ 284.083255][ T2739] ? kstrtol_from_user+0x310/0x310 [ 284.088556][ T2739] ? snprintf+0xd6/0x120 [ 284.093051][ T2739] ? avc_policy_seqno+0x1b/0x70 [ 284.097904][ T2739] ? selinux_file_permission+0x2a9/0x520 [ 284.104014][ T2739] proc_fail_nth_write+0xa5/0x290 [ 284.109128][ T2739] ? security_file_permission+0x9d/0xc0 [ 284.114843][ T2739] ? proc_fail_nth_read+0x220/0x220 [ 284.120467][ T2739] ? security_file_permission+0xa8/0xc0 [ 284.126352][ T2739] ? rw_verify_area+0x1c2/0x360 [ 284.131300][ T2739] ? proc_fail_nth_read+0x220/0x220 [ 284.136763][ T2739] vfs_write+0x39b/0xf80 [ 284.141268][ T2739] ? kernel_write+0x420/0x420 [ 284.147787][ T2739] ? __kasan_check_write+0x14/0x20 [ 284.153060][ T2739] ? mutex_lock+0xb2/0x1e0 [ 284.157751][ T2739] ? mutex_trylock+0x180/0x180 [ 284.163472][ T2739] ? __fdget_pos+0x26d/0x310 [ 284.168053][ T2739] ? ksys_write+0x77/0x2c0 [ 284.172737][ T2739] ksys_write+0x198/0x2c0 [ 284.177238][ T2739] ? __ia32_sys_read+0x90/0x90 [ 284.182074][ T2739] ? debug_smp_processor_id+0x17/0x20 [ 284.187688][ T2739] __x64_sys_write+0x7b/0x90 [ 284.192350][ T2739] do_syscall_64+0x34/0x70 [ 284.196946][ T2739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 284.203186][ T2739] RIP: 0033:0x7f6ebe0d0b5f [ 284.207776][ T2739] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 284.228633][ T2739] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 284.237245][ T2739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 284.245661][ T2739] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 2022/08/30 17:00:25 executed programs: 1055 [ 284.253992][ T2739] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 284.262134][ T2739] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 284.270888][ T2739] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 284.279035][ T2740] CPU: 0 PID: 2740 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 284.289537][ T2740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 284.299939][ T2740] Call Trace: [ 284.303249][ T2740] dump_stack_lvl+0x1e2/0x24b [ 284.307920][ T2740] ? panic+0x7d7/0x7d7 [ 284.312004][ T2740] ? bfq_pos_tree_add_move+0x43e/0x43e [ 284.317921][ T2740] ? find_next_bit+0xd6/0x120 [ 284.322771][ T2740] ? cpumask_next+0x11/0x30 [ 284.327622][ T2740] dump_stack+0x15/0x17 [ 284.333259][ T2740] should_fail+0x3c0/0x510 [ 284.337932][ T2740] ? percpu_ref_init+0xd0/0x340 [ 284.343653][ T2740] __should_failslab+0x9f/0xe0 [ 284.349945][ T2740] should_failslab+0x9/0x20 [ 284.354896][ T2740] kmem_cache_alloc_trace+0x3a/0x330 [ 284.360691][ T2740] percpu_ref_init+0xd0/0x340 [ 284.365464][ T2740] ? cgroup_setup_root+0xea0/0xea0 [ 284.371044][ T2740] cgroup_apply_control_enable+0x3a2/0x12f0 [ 284.377017][ T2740] ? cgroup_reconfigure+0xe0/0xe0 [ 284.383222][ T2740] cgroup_apply_control+0x8e/0x7e0 [ 284.391303][ T2740] ? css_next_child+0x160/0x160 [ 284.396172][ T2740] ? io_schedule+0x120/0x120 [ 284.400838][ T2740] ? kernfs_fop_write_iter+0x15e/0x410 [ 284.406699][ T2740] ? __kasan_check_write+0x14/0x20 [ 284.411799][ T2740] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 284.417156][ T2740] cgroup_subtree_control_write+0xd19/0x1310 [ 284.423208][ T2740] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 284.429189][ T2740] ? __kasan_check_write+0x14/0x20 [ 284.434470][ T2740] ? _copy_from_iter+0x3fb/0xd60 [ 284.439388][ T2740] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 284.445664][ T2740] cgroup_file_write+0x28e/0x590 [ 284.450842][ T2740] ? cgroup_seqfile_stop+0xc0/0xc0 [ 284.457477][ T2740] ? mutex_trylock+0x180/0x180 [ 284.462327][ T2740] ? __kasan_check_write+0x14/0x20 [ 284.467531][ T2740] kernfs_fop_write_iter+0x2d0/0x410 [ 284.472983][ T2740] ? cgroup_seqfile_stop+0xc0/0xc0 [ 284.478443][ T2740] vfs_write+0xc4a/0xf80 [ 284.482751][ T2740] ? kernel_write+0x420/0x420 [ 284.487755][ T2740] ? mutex_lock+0xb2/0x1e0 [ 284.492770][ T2740] ? mutex_trylock+0x180/0x180 [ 284.497970][ T2740] ? __fdget_pos+0x26d/0x310 [ 284.502800][ T2740] ? ksys_write+0x77/0x2c0 [ 284.507206][ T2740] ksys_write+0x198/0x2c0 [ 284.511683][ T2740] ? __ia32_sys_read+0x90/0x90 [ 284.516528][ T2740] ? debug_smp_processor_id+0x17/0x20 [ 284.521896][ T2740] __x64_sys_write+0x7b/0x90 [ 284.526563][ T2740] do_syscall_64+0x34/0x70 [ 284.531490][ T2740] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 284.537876][ T2740] RIP: 0033:0x7f85191c4049 [ 284.542284][ T2740] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 284.563283][ T2740] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 284.572189][ T2740] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 284.580894][ T2740] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 284.589123][ T2740] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 284.597353][ T2740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 284.606120][ T2740] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 284.614238][ T2737] CPU: 1 PID: 2737 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 284.624763][ T2737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 284.635521][ T2737] Call Trace: [ 284.638911][ T2737] dump_stack_lvl+0x1e2/0x24b [ 284.643656][ T2737] ? bfq_pos_tree_add_move+0x43e/0x43e [ 284.649176][ T2737] ? vsnprintf+0x1fa/0x1cd0 [ 284.653959][ T2737] dump_stack+0x15/0x17 [ 284.658092][ T2737] should_fail+0x3c0/0x510 [ 284.662570][ T2737] should_fail_usercopy+0x1a/0x20 [ 284.667918][ T2737] _copy_from_user+0x20/0xd0 [ 284.673183][ T2737] kstrtouint_from_user+0xd7/0x2b0 [ 284.678371][ T2737] ? kstrtol_from_user+0x310/0x310 [ 284.683553][ T2737] ? snprintf+0xd6/0x120 [ 284.688466][ T2737] ? avc_policy_seqno+0x1b/0x70 [ 284.693555][ T2737] ? selinux_file_permission+0x2a9/0x520 [ 284.699165][ T2737] proc_fail_nth_write+0xa5/0x290 [ 284.704338][ T2737] ? security_file_permission+0x9d/0xc0 [ 284.710118][ T2737] ? proc_fail_nth_read+0x220/0x220 [ 284.715315][ T2737] ? security_file_permission+0xa8/0xc0 [ 284.720860][ T2737] ? rw_verify_area+0x1c2/0x360 [ 284.725789][ T2737] ? proc_fail_nth_read+0x220/0x220 [ 284.731377][ T2737] vfs_write+0x39b/0xf80 [ 284.736188][ T2737] ? kernel_write+0x420/0x420 [ 284.741019][ T2737] ? __kasan_check_write+0x14/0x20 [ 284.746118][ T2737] ? mutex_lock+0xb2/0x1e0 [ 284.750957][ T2737] ? mutex_trylock+0x180/0x180 [ 284.755787][ T2737] ? __fdget_pos+0x26d/0x310 [ 284.760524][ T2737] ? ksys_write+0x77/0x2c0 [ 284.765029][ T2737] ksys_write+0x198/0x2c0 [ 284.769526][ T2737] ? __ia32_sys_read+0x90/0x90 [ 284.774542][ T2737] ? debug_smp_processor_id+0x17/0x20 [ 284.779986][ T2737] __x64_sys_write+0x7b/0x90 [ 284.784810][ T2737] do_syscall_64+0x34/0x70 [ 284.789377][ T2737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 284.795424][ T2737] RIP: 0033:0x7f869ba6eb5f [ 284.800168][ T2737] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 284.820117][ T2737] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 284.828678][ T2737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 284.836623][ T2737] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 284.845043][ T2737] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 284.853007][ T2737] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 284.862000][ T2737] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 284.870838][ T2745] FAULT_INJECTION: forcing a failure. [ 284.870838][ T2745] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.886592][ T2747] FAULT_INJECTION: forcing a failure. [ 284.886592][ T2747] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.901159][ T2745] CPU: 1 PID: 2745 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 284.911368][ T2752] FAULT_INJECTION: forcing a failure. [ 284.911368][ T2752] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.912284][ T2745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 284.912289][ T2745] Call Trace: [ 284.912313][ T2745] dump_stack_lvl+0x1e2/0x24b [ 284.926056][ T2750] FAULT_INJECTION: forcing a failure. [ 284.926056][ T2750] name failslab, interval 1, probability 0, space 0, times 0 [ 284.937186][ T2745] ? bfq_pos_tree_add_move+0x43e/0x43e [ 284.937197][ T2745] ? vsnprintf+0x1fa/0x1cd0 [ 284.937206][ T2745] dump_stack+0x15/0x17 [ 284.937216][ T2745] should_fail+0x3c0/0x510 [ 284.937235][ T2745] should_fail_usercopy+0x1a/0x20 [ 284.986644][ T2745] _copy_from_user+0x20/0xd0 [ 284.991679][ T2745] kstrtouint_from_user+0xd7/0x2b0 [ 284.996794][ T2745] ? kstrtol_from_user+0x310/0x310 [ 285.002511][ T2745] ? snprintf+0xd6/0x120 [ 285.007088][ T2745] ? avc_policy_seqno+0x1b/0x70 [ 285.012249][ T2745] ? selinux_file_permission+0x2a9/0x520 [ 285.018045][ T2745] proc_fail_nth_write+0xa5/0x290 [ 285.023333][ T2745] ? security_file_permission+0x9d/0xc0 [ 285.028960][ T2745] ? proc_fail_nth_read+0x220/0x220 [ 285.035139][ T2745] ? security_file_permission+0xa8/0xc0 [ 285.040943][ T2745] ? rw_verify_area+0x1c2/0x360 [ 285.046213][ T2745] ? proc_fail_nth_read+0x220/0x220 [ 285.051581][ T2745] vfs_write+0x39b/0xf80 [ 285.055809][ T2745] ? kernel_write+0x420/0x420 [ 285.060554][ T2745] ? __kasan_check_write+0x14/0x20 [ 285.065820][ T2745] ? mutex_lock+0xb2/0x1e0 [ 285.070217][ T2745] ? mutex_trylock+0x180/0x180 [ 285.075140][ T2745] ? __fdget_pos+0x26d/0x310 [ 285.079710][ T2745] ? ksys_write+0x77/0x2c0 [ 285.084113][ T2745] ksys_write+0x198/0x2c0 [ 285.088690][ T2745] ? __ia32_sys_read+0x90/0x90 [ 285.093978][ T2745] ? debug_smp_processor_id+0x17/0x20 [ 285.099601][ T2745] __x64_sys_write+0x7b/0x90 [ 285.104280][ T2745] do_syscall_64+0x34/0x70 [ 285.108931][ T2745] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 285.114977][ T2745] RIP: 0033:0x7f7d1c31ab5f [ 285.119587][ T2745] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 285.140060][ T2745] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 285.148549][ T2745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 285.157138][ T2745] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 285.165199][ T2745] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 285.174080][ T2745] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 285.182137][ T2745] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 285.190471][ T2750] CPU: 0 PID: 2750 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 285.201507][ T2750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 285.212003][ T2750] Call Trace: [ 285.215444][ T2750] dump_stack_lvl+0x1e2/0x24b [ 285.220458][ T2750] ? panic+0x7d7/0x7d7 [ 285.224686][ T2750] ? bfq_pos_tree_add_move+0x43e/0x43e [ 285.230132][ T2750] ? find_next_bit+0xd6/0x120 [ 285.235164][ T2750] ? cpumask_next+0x11/0x30 [ 285.239657][ T2750] dump_stack+0x15/0x17 [ 285.244043][ T2750] should_fail+0x3c0/0x510 [ 285.249264][ T2750] ? percpu_ref_init+0xd0/0x340 [ 285.254140][ T2750] __should_failslab+0x9f/0xe0 [ 285.259120][ T2750] should_failslab+0x9/0x20 [ 285.263928][ T2750] kmem_cache_alloc_trace+0x3a/0x330 [ 285.269841][ T2750] percpu_ref_init+0xd0/0x340 [ 285.275392][ T2750] ? cgroup_setup_root+0xea0/0xea0 [ 285.280943][ T2750] cgroup_apply_control_enable+0x3a2/0x12f0 [ 285.287671][ T2750] ? cgroup_reconfigure+0xe0/0xe0 [ 285.292703][ T2750] cgroup_apply_control+0x8e/0x7e0 [ 285.297990][ T2750] ? css_next_child+0x160/0x160 [ 285.302916][ T2750] ? io_schedule+0x120/0x120 [ 285.307509][ T2750] ? kernfs_fop_write_iter+0x15e/0x410 [ 285.313105][ T2750] ? __kasan_check_write+0x14/0x20 [ 285.318559][ T2750] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 285.324190][ T2750] cgroup_subtree_control_write+0xd19/0x1310 [ 285.330405][ T2750] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.336470][ T2750] ? __kasan_check_write+0x14/0x20 [ 285.341571][ T2750] ? _copy_from_iter+0x3fb/0xd60 [ 285.346755][ T2750] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.352992][ T2750] cgroup_file_write+0x28e/0x590 [ 285.358294][ T2750] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.363415][ T2750] ? mutex_trylock+0x180/0x180 [ 285.368255][ T2750] ? __kasan_check_write+0x14/0x20 [ 285.373701][ T2750] kernfs_fop_write_iter+0x2d0/0x410 [ 285.379239][ T2750] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.384438][ T2750] vfs_write+0xc4a/0xf80 [ 285.388762][ T2750] ? kernel_write+0x420/0x420 [ 285.393422][ T2750] ? mutex_lock+0xb2/0x1e0 [ 285.398094][ T2750] ? mutex_trylock+0x180/0x180 [ 285.403117][ T2750] ? __fdget_pos+0x26d/0x310 [ 285.408127][ T2750] ? ksys_write+0x77/0x2c0 [ 285.412519][ T2750] ksys_write+0x198/0x2c0 [ 285.416825][ T2750] ? __ia32_sys_read+0x90/0x90 [ 285.421747][ T2750] ? debug_smp_processor_id+0x17/0x20 [ 285.427653][ T2750] __x64_sys_write+0x7b/0x90 [ 285.432255][ T2750] do_syscall_64+0x34/0x70 [ 285.437020][ T2750] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 285.445198][ T2750] RIP: 0033:0x7f85191c4049 [ 285.449867][ T2750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 285.473802][ T2750] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 285.482477][ T2750] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 285.491159][ T2750] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 285.500085][ T2750] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 285.508399][ T2750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 285.516799][ T2750] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 285.527225][ T2746] FAULT_INJECTION: forcing a failure. [ 285.527225][ T2746] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.528272][ T2747] CPU: 1 PID: 2747 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 285.540956][ T2754] FAULT_INJECTION: forcing a failure. [ 285.540956][ T2754] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.551318][ T2747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 285.551323][ T2747] Call Trace: [ 285.551341][ T2747] dump_stack_lvl+0x1e2/0x24b [ 285.551359][ T2747] ? bfq_pos_tree_add_move+0x43e/0x43e [ 285.564863][ T2756] FAULT_INJECTION: forcing a failure. [ 285.564863][ T2756] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.574966][ T2747] ? vsnprintf+0x1fa/0x1cd0 [ 285.574981][ T2747] dump_stack+0x15/0x17 [ 285.574991][ T2747] should_fail+0x3c0/0x510 [ 285.575009][ T2747] should_fail_usercopy+0x1a/0x20 [ 285.621691][ T2747] _copy_from_user+0x20/0xd0 [ 285.626269][ T2747] kstrtouint_from_user+0xd7/0x2b0 [ 285.631657][ T2747] ? kstrtol_from_user+0x310/0x310 [ 285.636925][ T2747] ? snprintf+0xd6/0x120 [ 285.641263][ T2747] ? avc_policy_seqno+0x1b/0x70 [ 285.646185][ T2747] ? selinux_file_permission+0x2a9/0x520 [ 285.652234][ T2747] proc_fail_nth_write+0xa5/0x290 [ 285.657710][ T2747] ? security_file_permission+0x9d/0xc0 [ 285.663436][ T2747] ? proc_fail_nth_read+0x220/0x220 [ 285.668788][ T2747] ? security_file_permission+0xa8/0xc0 [ 285.674426][ T2747] ? rw_verify_area+0x1c2/0x360 [ 285.679728][ T2747] ? proc_fail_nth_read+0x220/0x220 [ 285.685597][ T2747] vfs_write+0x39b/0xf80 [ 285.689917][ T2747] ? kernel_write+0x420/0x420 [ 285.695372][ T2747] ? __kasan_check_write+0x14/0x20 [ 285.700648][ T2747] ? mutex_lock+0xb2/0x1e0 [ 285.705049][ T2747] ? mutex_trylock+0x180/0x180 [ 285.709802][ T2747] ? __fdget_pos+0x26d/0x310 [ 285.714804][ T2747] ? ksys_write+0x77/0x2c0 [ 285.719305][ T2747] ksys_write+0x198/0x2c0 [ 285.724092][ T2747] ? __ia32_sys_read+0x90/0x90 [ 285.729396][ T2747] ? debug_smp_processor_id+0x17/0x20 [ 285.735216][ T2747] __x64_sys_write+0x7b/0x90 [ 285.740237][ T2747] do_syscall_64+0x34/0x70 [ 285.744907][ T2747] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 285.751146][ T2747] RIP: 0033:0x7f022ab05b5f [ 285.755736][ T2747] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 285.776166][ T2747] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 285.785478][ T2747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 285.793667][ T2747] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 285.802143][ T2747] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 285.810892][ T2747] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 285.819531][ T2747] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 285.829071][ T2756] CPU: 0 PID: 2756 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 285.839481][ T2756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 285.850337][ T2756] Call Trace: [ 285.853761][ T2756] dump_stack_lvl+0x1e2/0x24b [ 285.858529][ T2756] ? bfq_pos_tree_add_move+0x43e/0x43e [ 285.862453][ T2759] FAULT_INJECTION: forcing a failure. [ 285.862453][ T2759] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.864587][ T2756] ? vsnprintf+0x1fa/0x1cd0 [ 285.864601][ T2756] dump_stack+0x15/0x17 [ 285.864624][ T2756] should_fail+0x3c0/0x510 [ 285.891833][ T2756] should_fail_usercopy+0x1a/0x20 [ 285.898481][ T2756] _copy_from_user+0x20/0xd0 [ 285.903174][ T2756] kstrtouint_from_user+0xd7/0x2b0 [ 285.908402][ T2756] ? kstrtol_from_user+0x310/0x310 [ 285.914411][ T2756] ? snprintf+0xd6/0x120 [ 285.918992][ T2756] ? avc_policy_seqno+0x1b/0x70 [ 285.923938][ T2756] ? selinux_file_permission+0x2a9/0x520 [ 285.929854][ T2756] proc_fail_nth_write+0xa5/0x290 [ 285.934863][ T2756] ? security_file_permission+0x9d/0xc0 [ 285.940760][ T2756] ? proc_fail_nth_read+0x220/0x220 [ 285.946480][ T2756] ? security_file_permission+0xa8/0xc0 [ 285.952338][ T2756] ? rw_verify_area+0x1c2/0x360 [ 285.957529][ T2756] ? proc_fail_nth_read+0x220/0x220 [ 285.963259][ T2756] vfs_write+0x39b/0xf80 [ 285.967938][ T2756] ? kernel_write+0x420/0x420 [ 285.972782][ T2756] ? __kasan_check_write+0x14/0x20 [ 285.978165][ T2756] ? mutex_lock+0xb2/0x1e0 [ 285.982683][ T2756] ? mutex_trylock+0x180/0x180 [ 285.987868][ T2756] ? __fdget_pos+0x26d/0x310 [ 285.992611][ T2756] ? ksys_write+0x77/0x2c0 [ 285.997365][ T2756] ksys_write+0x198/0x2c0 [ 286.001776][ T2756] ? __ia32_sys_read+0x90/0x90 [ 286.005553][ T2760] FAULT_INJECTION: forcing a failure. [ 286.005553][ T2760] name failslab, interval 1, probability 0, space 0, times 0 [ 286.006734][ T2756] ? debug_smp_processor_id+0x17/0x20 [ 286.006752][ T2756] __x64_sys_write+0x7b/0x90 [ 286.030169][ T2756] do_syscall_64+0x34/0x70 [ 286.034663][ T2756] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 286.040544][ T2756] RIP: 0033:0x7f7d1c31ab5f [ 286.044964][ T2756] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 286.065753][ T2756] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 286.074636][ T2756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 286.082788][ T2756] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 286.091021][ T2756] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.099220][ T2756] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 286.108217][ T2756] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 286.116567][ T2759] CPU: 1 PID: 2759 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 286.126893][ T2759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 286.137349][ T2759] Call Trace: [ 286.140833][ T2759] dump_stack_lvl+0x1e2/0x24b [ 286.145587][ T2759] ? bfq_pos_tree_add_move+0x43e/0x43e [ 286.151123][ T2759] ? vsnprintf+0x1fa/0x1cd0 [ 286.156110][ T2759] dump_stack+0x15/0x17 [ 286.160526][ T2759] should_fail+0x3c0/0x510 [ 286.165629][ T2759] should_fail_usercopy+0x1a/0x20 [ 286.171004][ T2759] _copy_from_user+0x20/0xd0 [ 286.175845][ T2759] kstrtouint_from_user+0xd7/0x2b0 [ 286.180944][ T2759] ? kstrtol_from_user+0x310/0x310 [ 286.186036][ T2759] ? snprintf+0xd6/0x120 [ 286.190543][ T2759] ? avc_policy_seqno+0x1b/0x70 [ 286.195548][ T2759] ? selinux_file_permission+0x2a9/0x520 [ 286.201269][ T2759] proc_fail_nth_write+0xa5/0x290 [ 286.206523][ T2759] ? security_file_permission+0x9d/0xc0 [ 286.212135][ T2759] ? proc_fail_nth_read+0x220/0x220 [ 286.217330][ T2759] ? security_file_permission+0xa8/0xc0 [ 286.223032][ T2759] ? rw_verify_area+0x1c2/0x360 [ 286.228051][ T2759] ? proc_fail_nth_read+0x220/0x220 [ 286.233404][ T2759] vfs_write+0x39b/0xf80 [ 286.237803][ T2759] ? kernel_write+0x420/0x420 [ 286.242546][ T2759] ? __kasan_check_write+0x14/0x20 [ 286.248025][ T2759] ? mutex_lock+0xb2/0x1e0 [ 286.252781][ T2759] ? mutex_trylock+0x180/0x180 [ 286.257764][ T2759] ? __fdget_pos+0x26d/0x310 [ 286.262523][ T2759] ? ksys_write+0x77/0x2c0 [ 286.267011][ T2759] ksys_write+0x198/0x2c0 [ 286.271502][ T2759] ? __ia32_sys_read+0x90/0x90 [ 286.276571][ T2759] ? debug_smp_processor_id+0x17/0x20 [ 286.282152][ T2759] __x64_sys_write+0x7b/0x90 [ 286.286734][ T2759] do_syscall_64+0x34/0x70 [ 286.291254][ T2759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 286.297285][ T2759] RIP: 0033:0x7f022ab05b5f [ 286.301992][ T2759] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 286.322281][ T2759] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 286.330815][ T2759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 286.339060][ T2759] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 286.347110][ T2759] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.355510][ T2759] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 286.363818][ T2759] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 286.372516][ T2752] CPU: 0 PID: 2752 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 286.382948][ T2752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 286.393184][ T2752] Call Trace: [ 286.396546][ T2752] dump_stack_lvl+0x1e2/0x24b [ 286.401394][ T2752] ? bfq_pos_tree_add_move+0x43e/0x43e [ 286.407095][ T2752] ? vsnprintf+0x1fa/0x1cd0 [ 286.411575][ T2752] dump_stack+0x15/0x17 [ 286.415796][ T2752] should_fail+0x3c0/0x510 [ 286.420201][ T2752] should_fail_usercopy+0x1a/0x20 [ 286.425289][ T2752] _copy_from_user+0x20/0xd0 [ 286.429964][ T2752] kstrtouint_from_user+0xd7/0x2b0 [ 286.435071][ T2752] ? kstrtol_from_user+0x310/0x310 [ 286.440293][ T2752] ? snprintf+0xd6/0x120 [ 286.444586][ T2752] ? avc_policy_seqno+0x1b/0x70 [ 286.449882][ T2752] ? selinux_file_permission+0x2a9/0x520 [ 286.455587][ T2752] proc_fail_nth_write+0xa5/0x290 [ 286.461026][ T2752] ? security_file_permission+0x9d/0xc0 [ 286.466544][ T2752] ? proc_fail_nth_read+0x220/0x220 [ 286.471713][ T2752] ? security_file_permission+0xa8/0xc0 [ 286.477254][ T2752] ? rw_verify_area+0x1c2/0x360 [ 286.482358][ T2752] ? proc_fail_nth_read+0x220/0x220 [ 286.487531][ T2752] vfs_write+0x39b/0xf80 [ 286.491761][ T2752] ? kernel_write+0x420/0x420 [ 286.496450][ T2752] ? __kasan_check_write+0x14/0x20 [ 286.501650][ T2752] ? mutex_lock+0xb2/0x1e0 [ 286.506139][ T2752] ? mutex_trylock+0x180/0x180 [ 286.511055][ T2752] ? __fdget_pos+0x26d/0x310 [ 286.515629][ T2752] ? ksys_write+0x77/0x2c0 [ 286.520122][ T2752] ksys_write+0x198/0x2c0 [ 286.524522][ T2752] ? __ia32_sys_read+0x90/0x90 [ 286.534384][ T2752] ? debug_smp_processor_id+0x17/0x20 [ 286.539736][ T2752] __x64_sys_write+0x7b/0x90 [ 286.544303][ T2752] do_syscall_64+0x34/0x70 [ 286.549081][ T2752] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 286.555584][ T2752] RIP: 0033:0x7f6ebe0d0b5f [ 286.560620][ T2752] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 286.581839][ T2752] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 286.590337][ T2752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 286.598745][ T2752] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 286.607057][ T2752] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.615450][ T2752] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 286.623938][ T2752] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 286.635071][ T2754] CPU: 0 PID: 2754 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 286.645505][ T2754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 286.655914][ T2754] Call Trace: [ 286.659290][ T2754] dump_stack_lvl+0x1e2/0x24b [ 286.664126][ T2754] ? bfq_pos_tree_add_move+0x43e/0x43e [ 286.669665][ T2754] ? vsnprintf+0x1fa/0x1cd0 [ 286.674237][ T2754] dump_stack+0x15/0x17 [ 286.678374][ T2754] should_fail+0x3c0/0x510 [ 286.682782][ T2754] should_fail_usercopy+0x1a/0x20 [ 286.688045][ T2754] _copy_from_user+0x20/0xd0 [ 286.692991][ T2754] kstrtouint_from_user+0xd7/0x2b0 [ 286.698169][ T2754] ? kstrtol_from_user+0x310/0x310 [ 286.703799][ T2754] ? snprintf+0xd6/0x120 [ 286.708205][ T2754] ? avc_policy_seqno+0x1b/0x70 [ 286.713036][ T2754] ? selinux_file_permission+0x2a9/0x520 [ 286.718916][ T2754] proc_fail_nth_write+0xa5/0x290 [ 286.723919][ T2754] ? security_file_permission+0x9d/0xc0 [ 286.729615][ T2754] ? proc_fail_nth_read+0x220/0x220 [ 286.735049][ T2754] ? security_file_permission+0xa8/0xc0 [ 286.740753][ T2754] ? rw_verify_area+0x1c2/0x360 [ 286.745765][ T2754] ? proc_fail_nth_read+0x220/0x220 [ 286.751034][ T2754] vfs_write+0x39b/0xf80 [ 286.755253][ T2754] ? kernel_write+0x420/0x420 [ 286.760195][ T2754] ? __kasan_check_write+0x14/0x20 [ 286.765441][ T2754] ? mutex_lock+0xb2/0x1e0 [ 286.770194][ T2754] ? mutex_trylock+0x180/0x180 [ 286.775311][ T2754] ? __fdget_pos+0x26d/0x310 [ 286.780483][ T2754] ? ksys_write+0x77/0x2c0 [ 286.785155][ T2754] ksys_write+0x198/0x2c0 [ 286.790038][ T2754] ? __kasan_check_write+0x14/0x20 [ 286.795476][ T2754] ? __ia32_sys_read+0x90/0x90 [ 286.800219][ T2754] ? debug_smp_processor_id+0x17/0x20 [ 286.805658][ T2754] __x64_sys_write+0x7b/0x90 [ 286.810222][ T2754] do_syscall_64+0x34/0x70 [ 286.814703][ T2754] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 286.820585][ T2754] RIP: 0033:0x7f869ba6eb5f [ 286.825774][ T2754] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 286.845890][ T2754] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 286.854576][ T2754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 286.862534][ T2754] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 286.870860][ T2754] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.879019][ T2754] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 286.887055][ T2754] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 286.895517][ T2746] CPU: 0 PID: 2746 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 286.906998][ T2746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 286.918462][ T2746] Call Trace: [ 286.922051][ T2746] dump_stack_lvl+0x1e2/0x24b [ 286.927645][ T2746] ? bfq_pos_tree_add_move+0x43e/0x43e [ 286.933334][ T2746] ? vsnprintf+0x1fa/0x1cd0 [ 286.938192][ T2746] dump_stack+0x15/0x17 [ 286.943120][ T2746] should_fail+0x3c0/0x510 [ 286.948066][ T2746] should_fail_usercopy+0x1a/0x20 [ 286.953602][ T2746] _copy_from_user+0x20/0xd0 [ 286.958682][ T2746] kstrtouint_from_user+0xd7/0x2b0 [ 286.964684][ T2746] ? kstrtol_from_user+0x310/0x310 [ 286.970242][ T2746] ? snprintf+0xd6/0x120 [ 286.974644][ T2746] ? avc_policy_seqno+0x1b/0x70 [ 286.979602][ T2746] ? selinux_file_permission+0x2a9/0x520 [ 286.985478][ T2746] proc_fail_nth_write+0xa5/0x290 [ 286.990692][ T2746] ? security_file_permission+0x9d/0xc0 [ 286.996312][ T2746] ? proc_fail_nth_read+0x220/0x220 [ 287.002013][ T2746] ? security_file_permission+0xa8/0xc0 [ 287.008039][ T2746] ? rw_verify_area+0x1c2/0x360 [ 287.014044][ T2746] ? proc_fail_nth_read+0x220/0x220 [ 287.019571][ T2746] vfs_write+0x39b/0xf80 [ 287.023810][ T2746] ? kernel_write+0x420/0x420 [ 287.028550][ T2746] ? __kasan_check_write+0x14/0x20 [ 287.033737][ T2746] ? mutex_lock+0xb2/0x1e0 [ 287.038217][ T2746] ? mutex_trylock+0x180/0x180 [ 287.042976][ T2746] ? __fdget_pos+0x26d/0x310 [ 287.048088][ T2746] ? ksys_write+0x77/0x2c0 [ 287.052660][ T2746] ksys_write+0x198/0x2c0 [ 287.057247][ T2746] ? __kasan_check_write+0x14/0x20 [ 287.062425][ T2746] ? __ia32_sys_read+0x90/0x90 [ 287.067193][ T2746] ? debug_smp_processor_id+0x17/0x20 [ 287.072725][ T2746] __x64_sys_write+0x7b/0x90 [ 287.077561][ T2746] do_syscall_64+0x34/0x70 [ 287.081954][ T2746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 287.089224][ T2746] RIP: 0033:0x7faa22393b5f [ 287.093909][ T2746] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 287.115080][ T2746] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 287.123472][ T2746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 287.131448][ T2746] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 287.139522][ T2746] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 287.147765][ T2746] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 287.156231][ T2746] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 287.168350][ T2760] CPU: 0 PID: 2760 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 287.179042][ T2760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.189266][ T2760] Call Trace: [ 287.192562][ T2760] dump_stack_lvl+0x1e2/0x24b [ 287.197335][ T2760] ? panic+0x7d7/0x7d7 [ 287.201432][ T2760] ? bfq_pos_tree_add_move+0x43e/0x43e [ 287.207509][ T2760] ? find_next_bit+0xd6/0x120 [ 287.212823][ T2760] ? cpumask_next+0x11/0x30 [ 287.219993][ T2760] dump_stack+0x15/0x17 [ 287.224851][ T2760] should_fail+0x3c0/0x510 [ 287.230015][ T2760] ? percpu_ref_init+0xd0/0x340 [ 287.235407][ T2760] __should_failslab+0x9f/0xe0 [ 287.240769][ T2760] should_failslab+0x9/0x20 [ 287.246188][ T2760] kmem_cache_alloc_trace+0x3a/0x330 [ 287.252257][ T2760] percpu_ref_init+0xd0/0x340 [ 287.257864][ T2760] ? cgroup_setup_root+0xea0/0xea0 [ 287.264255][ T2760] cgroup_apply_control_enable+0x3a2/0x12f0 [ 287.270871][ T2760] ? cgroup_reconfigure+0xe0/0xe0 [ 287.276693][ T2760] cgroup_apply_control+0x8e/0x7e0 [ 287.282213][ T2760] ? css_next_child+0x160/0x160 [ 287.287259][ T2760] ? io_schedule+0x120/0x120 [ 287.292176][ T2760] ? kernfs_fop_write_iter+0x15e/0x410 [ 287.297827][ T2760] ? __kasan_check_write+0x14/0x20 [ 287.303102][ T2760] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 287.308689][ T2760] cgroup_subtree_control_write+0xd19/0x1310 [ 287.315073][ T2760] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 287.321041][ T2760] ? __kasan_check_write+0x14/0x20 [ 287.326259][ T2760] ? _copy_from_iter+0x3fb/0xd60 [ 287.331328][ T2760] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 287.338315][ T2760] cgroup_file_write+0x28e/0x590 [ 287.343355][ T2760] ? cgroup_seqfile_stop+0xc0/0xc0 [ 287.348978][ T2760] ? mutex_trylock+0x180/0x180 [ 287.354284][ T2760] ? __kasan_check_write+0x14/0x20 [ 287.359413][ T2760] kernfs_fop_write_iter+0x2d0/0x410 [ 287.364899][ T2760] ? cgroup_seqfile_stop+0xc0/0xc0 [ 287.370364][ T2760] vfs_write+0xc4a/0xf80 [ 287.374822][ T2760] ? kernel_write+0x420/0x420 [ 287.380507][ T2760] ? mutex_lock+0xb2/0x1e0 [ 287.385265][ T2760] ? mutex_trylock+0x180/0x180 [ 287.390227][ T2760] ? __fdget_pos+0x26d/0x310 [ 287.394921][ T2760] ? ksys_write+0x77/0x2c0 [ 287.399349][ T2760] ksys_write+0x198/0x2c0 [ 287.403701][ T2760] ? __ia32_sys_read+0x90/0x90 [ 287.408460][ T2760] ? debug_smp_processor_id+0x17/0x20 [ 287.413858][ T2760] __x64_sys_write+0x7b/0x90 [ 287.418591][ T2760] do_syscall_64+0x34/0x70 [ 287.423006][ T2760] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 287.429410][ T2760] RIP: 0033:0x7f85191c4049 [ 287.434112][ T2760] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 287.456122][ T2760] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.464724][ T2760] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 287.473177][ T2760] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 287.481869][ T2760] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 287.490119][ T2760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 287.498568][ T2760] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 287.507193][ T2762] FAULT_INJECTION: forcing a failure. [ 287.507193][ T2762] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.509251][ T2768] FAULT_INJECTION: forcing a failure. [ 287.509251][ T2768] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.521507][ T2762] CPU: 0 PID: 2762 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 287.534062][ T2769] FAULT_INJECTION: forcing a failure. [ 287.534062][ T2769] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.544507][ T2762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.544512][ T2762] Call Trace: [ 287.544530][ T2762] dump_stack_lvl+0x1e2/0x24b [ 287.544540][ T2762] ? bfq_pos_tree_add_move+0x43e/0x43e [ 287.544549][ T2762] ? vsnprintf+0x1fa/0x1cd0 [ 287.544559][ T2762] dump_stack+0x15/0x17 [ 287.544569][ T2762] should_fail+0x3c0/0x510 [ 287.544580][ T2762] should_fail_usercopy+0x1a/0x20 [ 287.544590][ T2762] _copy_from_user+0x20/0xd0 [ 287.544601][ T2762] kstrtouint_from_user+0xd7/0x2b0 [ 287.544611][ T2762] ? kstrtol_from_user+0x310/0x310 [ 287.544627][ T2762] ? snprintf+0xd6/0x120 [ 287.558482][ T2770] FAULT_INJECTION: forcing a failure. [ 287.558482][ T2770] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.568678][ T2762] ? avc_policy_seqno+0x1b/0x70 [ 287.568689][ T2762] ? selinux_file_permission+0x2a9/0x520 [ 287.568698][ T2762] proc_fail_nth_write+0xa5/0x290 [ 287.568707][ T2762] ? security_file_permission+0x9d/0xc0 [ 287.568716][ T2762] ? proc_fail_nth_read+0x220/0x220 [ 287.568725][ T2762] ? security_file_permission+0xa8/0xc0 [ 287.568735][ T2762] ? rw_verify_area+0x1c2/0x360 [ 287.568744][ T2762] ? proc_fail_nth_read+0x220/0x220 [ 287.568753][ T2762] vfs_write+0x39b/0xf80 [ 287.568771][ T2762] ? kernel_write+0x420/0x420 [ 287.572280][ T2767] FAULT_INJECTION: forcing a failure. [ 287.572280][ T2767] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.577123][ T2762] ? __kasan_check_write+0x14/0x20 [ 287.577134][ T2762] ? mutex_lock+0xb2/0x1e0 [ 287.577142][ T2762] ? mutex_trylock+0x180/0x180 [ 287.577152][ T2762] ? __fdget_pos+0x26d/0x310 [ 287.577161][ T2762] ? ksys_write+0x77/0x2c0 [ 287.577170][ T2762] ksys_write+0x198/0x2c0 [ 287.577179][ T2762] ? __kasan_check_write+0x14/0x20 [ 287.577189][ T2762] ? __ia32_sys_read+0x90/0x90 [ 287.577200][ T2762] ? debug_smp_processor_id+0x17/0x20 [ 287.577211][ T2762] __x64_sys_write+0x7b/0x90 [ 287.577218][ T2762] do_syscall_64+0x34/0x70 [ 287.577245][ T2762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 287.758814][ T2762] RIP: 0033:0x7f022ab05b5f [ 287.763499][ T2762] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 287.783890][ T2762] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 287.792981][ T2762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 287.801479][ T2762] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 287.811252][ T2762] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 287.819485][ T2762] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 287.827530][ T2762] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 287.836806][ T2769] CPU: 1 PID: 2769 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 287.847386][ T2769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.857876][ T2769] Call Trace: [ 287.861495][ T2769] dump_stack_lvl+0x1e2/0x24b [ 287.866166][ T2769] ? bfq_pos_tree_add_move+0x43e/0x43e [ 287.871702][ T2769] ? vsnprintf+0x1fa/0x1cd0 [ 287.876308][ T2769] dump_stack+0x15/0x17 [ 287.880534][ T2769] should_fail+0x3c0/0x510 [ 287.884930][ T2769] should_fail_usercopy+0x1a/0x20 [ 287.890115][ T2769] _copy_from_user+0x20/0xd0 [ 287.894950][ T2769] kstrtouint_from_user+0xd7/0x2b0 [ 287.900617][ T2769] ? kstrtol_from_user+0x310/0x310 [ 287.906205][ T2769] ? snprintf+0xd6/0x120 [ 287.910469][ T2769] ? avc_policy_seqno+0x1b/0x70 [ 287.915660][ T2769] ? selinux_file_permission+0x2a9/0x520 [ 287.921276][ T2769] proc_fail_nth_write+0xa5/0x290 [ 287.926601][ T2769] ? security_file_permission+0x9d/0xc0 [ 287.932177][ T2769] ? proc_fail_nth_read+0x220/0x220 [ 287.937715][ T2769] ? security_file_permission+0xa8/0xc0 [ 287.943511][ T2769] ? rw_verify_area+0x1c2/0x360 [ 287.948440][ T2769] ? proc_fail_nth_read+0x220/0x220 [ 287.953726][ T2769] vfs_write+0x39b/0xf80 [ 287.958132][ T2769] ? kernel_write+0x420/0x420 [ 287.963161][ T2769] ? __kasan_check_write+0x14/0x20 [ 287.968630][ T2769] ? mutex_lock+0xb2/0x1e0 [ 287.973045][ T2769] ? mutex_trylock+0x180/0x180 [ 287.978010][ T2769] ? __fdget_pos+0x26d/0x310 [ 287.982705][ T2769] ? ksys_write+0x77/0x2c0 [ 287.987289][ T2769] ksys_write+0x198/0x2c0 [ 287.991614][ T2769] ? __kasan_check_write+0x14/0x20 [ 287.996706][ T2769] ? __ia32_sys_read+0x90/0x90 [ 288.001537][ T2769] ? debug_smp_processor_id+0x17/0x20 [ 288.006984][ T2769] __x64_sys_write+0x7b/0x90 [ 288.011742][ T2769] do_syscall_64+0x34/0x70 [ 288.016141][ T2769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 288.022010][ T2769] RIP: 0033:0x7f6ebe0d0b5f [ 288.026502][ T2769] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 288.046595][ T2769] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 288.055342][ T2769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 288.063496][ T2769] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 288.071632][ T2769] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 288.080812][ T2769] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 288.089149][ T2769] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 288.097230][ T2770] CPU: 0 PID: 2770 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 288.109336][ T2770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 288.119458][ T2770] Call Trace: [ 288.122751][ T2770] dump_stack_lvl+0x1e2/0x24b [ 288.127467][ T2770] ? bfq_pos_tree_add_move+0x43e/0x43e [ 288.133163][ T2770] ? vsnprintf+0x1fa/0x1cd0 [ 288.137646][ T2770] dump_stack+0x15/0x17 [ 288.141781][ T2770] should_fail+0x3c0/0x510 [ 288.146461][ T2770] should_fail_usercopy+0x1a/0x20 [ 288.151548][ T2770] _copy_from_user+0x20/0xd0 [ 288.156119][ T2770] kstrtouint_from_user+0xd7/0x2b0 [ 288.161378][ T2770] ? kstrtol_from_user+0x310/0x310 [ 288.166464][ T2770] ? snprintf+0xd6/0x120 [ 288.170873][ T2770] ? avc_policy_seqno+0x1b/0x70 [ 288.175717][ T2770] ? selinux_file_permission+0x2a9/0x520 [ 288.181758][ T2770] proc_fail_nth_write+0xa5/0x290 [ 288.186757][ T2770] ? security_file_permission+0x9d/0xc0 [ 288.192402][ T2770] ? proc_fail_nth_read+0x220/0x220 [ 288.197660][ T2770] ? security_file_permission+0xa8/0xc0 [ 288.203970][ T2770] ? rw_verify_area+0x1c2/0x360 [ 288.208966][ T2770] ? proc_fail_nth_read+0x220/0x220 [ 288.214418][ T2770] vfs_write+0x39b/0xf80 [ 288.218647][ T2770] ? kernel_write+0x420/0x420 [ 288.223819][ T2770] ? __kasan_check_write+0x14/0x20 [ 288.228991][ T2770] ? mutex_lock+0xb2/0x1e0 [ 288.233478][ T2770] ? mutex_trylock+0x180/0x180 [ 288.238492][ T2770] ? __fdget_pos+0x26d/0x310 [ 288.243056][ T2770] ? ksys_write+0x77/0x2c0 [ 288.247557][ T2770] ksys_write+0x198/0x2c0 [ 288.251947][ T2770] ? __kasan_check_write+0x14/0x20 [ 288.257205][ T2770] ? __ia32_sys_read+0x90/0x90 [ 288.261962][ T2770] ? debug_smp_processor_id+0x17/0x20 [ 288.267570][ T2770] __x64_sys_write+0x7b/0x90 [ 288.272279][ T2770] do_syscall_64+0x34/0x70 [ 288.276686][ T2770] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 288.282571][ T2770] RIP: 0033:0x7f869ba6eb5f [ 288.286971][ T2770] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 288.306908][ T2770] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 288.315411][ T2770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 288.323549][ T2770] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 288.331586][ T2770] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 288.340348][ T2770] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 288.349008][ T2770] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 288.362949][ T2767] CPU: 0 PID: 2767 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 288.374177][ T2767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 288.380469][ T2772] FAULT_INJECTION: forcing a failure. [ 288.380469][ T2772] name failslab, interval 1, probability 0, space 0, times 0 [ 288.385746][ T2767] Call Trace: [ 288.385768][ T2767] dump_stack_lvl+0x1e2/0x24b [ 288.385779][ T2767] ? bfq_pos_tree_add_move+0x43e/0x43e [ 288.385787][ T2767] ? vsnprintf+0x1fa/0x1cd0 [ 288.385796][ T2767] dump_stack+0x15/0x17 [ 288.385805][ T2767] should_fail+0x3c0/0x510 [ 288.385813][ T2767] should_fail_usercopy+0x1a/0x20 [ 288.385833][ T2767] _copy_from_user+0x20/0xd0 [ 288.439057][ T2767] kstrtouint_from_user+0xd7/0x2b0 [ 288.444652][ T2767] ? kstrtol_from_user+0x310/0x310 [ 288.450643][ T2767] ? snprintf+0xd6/0x120 [ 288.455320][ T2767] ? avc_policy_seqno+0x1b/0x70 [ 288.460545][ T2767] ? selinux_file_permission+0x2a9/0x520 [ 288.466166][ T2767] proc_fail_nth_write+0xa5/0x290 [ 288.471175][ T2767] ? security_file_permission+0x9d/0xc0 [ 288.476888][ T2767] ? proc_fail_nth_read+0x220/0x220 [ 288.482182][ T2767] ? security_file_permission+0xa8/0xc0 [ 288.488147][ T2767] ? rw_verify_area+0x1c2/0x360 [ 288.492981][ T2767] ? proc_fail_nth_read+0x220/0x220 [ 288.498256][ T2767] vfs_write+0x39b/0xf80 [ 288.502574][ T2767] ? kernel_write+0x420/0x420 [ 288.507419][ T2767] ? __kasan_check_write+0x14/0x20 [ 288.512528][ T2767] ? mutex_lock+0xb2/0x1e0 [ 288.517199][ T2767] ? mutex_trylock+0x180/0x180 [ 288.522151][ T2767] ? __fdget_pos+0x26d/0x310 [ 288.526978][ T2767] ? ksys_write+0x77/0x2c0 [ 288.531777][ T2767] ksys_write+0x198/0x2c0 [ 288.536115][ T2767] ? __kasan_check_write+0x14/0x20 [ 288.541226][ T2767] ? __ia32_sys_read+0x90/0x90 [ 288.546157][ T2767] ? debug_smp_processor_id+0x17/0x20 [ 288.551634][ T2767] __x64_sys_write+0x7b/0x90 [ 288.556483][ T2767] do_syscall_64+0x34/0x70 [ 288.561099][ T2767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 288.567091][ T2767] RIP: 0033:0x7faa22393b5f [ 288.571588][ T2767] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 288.591966][ T2767] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 288.600567][ T2767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 288.608536][ T2767] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 288.616670][ T2767] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 288.624770][ T2767] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 288.632919][ T2767] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 288.641016][ T2772] CPU: 1 PID: 2772 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 288.651525][ T2772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 288.661825][ T2772] Call Trace: [ 288.665216][ T2772] dump_stack_lvl+0x1e2/0x24b [ 288.670176][ T2772] ? panic+0x7d7/0x7d7 [ 288.674251][ T2772] ? bfq_pos_tree_add_move+0x43e/0x43e [ 288.679694][ T2772] ? find_next_bit+0xd6/0x120 [ 288.684365][ T2772] ? cpumask_next+0x11/0x30 [ 288.689045][ T2772] dump_stack+0x15/0x17 [ 288.693205][ T2772] should_fail+0x3c0/0x510 [ 288.697763][ T2772] ? percpu_ref_init+0xd0/0x340 [ 288.702689][ T2772] __should_failslab+0x9f/0xe0 [ 288.707541][ T2772] should_failslab+0x9/0x20 [ 288.712243][ T2772] kmem_cache_alloc_trace+0x3a/0x330 [ 288.717649][ T2772] percpu_ref_init+0xd0/0x340 [ 288.722394][ T2772] ? cgroup_setup_root+0xea0/0xea0 [ 288.727482][ T2772] cgroup_apply_control_enable+0x3a2/0x12f0 [ 288.733441][ T2772] ? cgroup_reconfigure+0xe0/0xe0 [ 288.738540][ T2772] cgroup_apply_control+0x8e/0x7e0 [ 288.743807][ T2772] ? css_next_child+0x160/0x160 [ 288.748821][ T2772] ? io_schedule+0x120/0x120 [ 288.753487][ T2772] ? kernfs_fop_write_iter+0x15e/0x410 [ 288.759285][ T2772] ? __kasan_check_write+0x14/0x20 [ 288.764380][ T2772] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 288.769651][ T2772] cgroup_subtree_control_write+0xd19/0x1310 [ 288.776172][ T2772] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.782230][ T2772] ? __kasan_check_write+0x14/0x20 [ 288.787416][ T2772] ? _copy_from_iter+0x3fb/0xd60 [ 288.792436][ T2772] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.798396][ T2772] cgroup_file_write+0x28e/0x590 [ 288.803314][ T2772] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.808778][ T2772] ? mutex_trylock+0x180/0x180 [ 288.813634][ T2772] ? __kasan_check_write+0x14/0x20 [ 288.819083][ T2772] kernfs_fop_write_iter+0x2d0/0x410 [ 288.824449][ T2772] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.829921][ T2772] vfs_write+0xc4a/0xf80 [ 288.834341][ T2772] ? kernel_write+0x420/0x420 [ 288.839180][ T2772] ? mutex_lock+0xb2/0x1e0 [ 288.844099][ T2772] ? mutex_trylock+0x180/0x180 [ 288.849107][ T2772] ? __fdget_pos+0x26d/0x310 [ 288.853680][ T2772] ? ksys_write+0x77/0x2c0 [ 288.858076][ T2772] ksys_write+0x198/0x2c0 [ 288.862411][ T2772] ? __ia32_sys_read+0x90/0x90 [ 288.867355][ T2772] ? debug_smp_processor_id+0x17/0x20 [ 288.872745][ T2772] __x64_sys_write+0x7b/0x90 [ 288.877413][ T2772] do_syscall_64+0x34/0x70 [ 288.886025][ T2772] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 288.891989][ T2772] RIP: 0033:0x7f85191c4049 [ 288.896488][ T2772] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 288.917196][ T2772] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 288.925877][ T2772] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 288.934779][ T2772] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 288.942869][ T2772] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 288.950924][ T2772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 288.958993][ T2772] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 288.967438][ T2768] CPU: 0 PID: 2768 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 288.979066][ T2768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 288.989505][ T2768] Call Trace: [ 288.993060][ T2768] dump_stack_lvl+0x1e2/0x24b [ 288.997938][ T2768] ? bfq_pos_tree_add_move+0x43e/0x43e [ 289.003396][ T2768] ? vsnprintf+0x1fa/0x1cd0 [ 289.007976][ T2768] dump_stack+0x15/0x17 [ 289.012400][ T2768] should_fail+0x3c0/0x510 [ 289.017516][ T2768] should_fail_usercopy+0x1a/0x20 [ 289.023337][ T2768] _copy_from_user+0x20/0xd0 [ 289.028135][ T2768] kstrtouint_from_user+0xd7/0x2b0 [ 289.033291][ T2768] ? kstrtol_from_user+0x310/0x310 [ 289.038556][ T2768] ? snprintf+0xd6/0x120 [ 289.043060][ T2768] ? avc_policy_seqno+0x1b/0x70 [ 289.048355][ T2768] ? selinux_file_permission+0x2a9/0x520 [ 289.054416][ T2768] proc_fail_nth_write+0xa5/0x290 [ 289.059613][ T2768] ? security_file_permission+0x9d/0xc0 [ 289.065515][ T2768] ? proc_fail_nth_read+0x220/0x220 [ 289.070865][ T2768] ? security_file_permission+0xa8/0xc0 [ 289.076493][ T2768] ? rw_verify_area+0x1c2/0x360 [ 289.081550][ T2768] ? proc_fail_nth_read+0x220/0x220 [ 289.086740][ T2768] vfs_write+0x39b/0xf80 [ 289.091067][ T2768] ? kernel_write+0x420/0x420 [ 289.096177][ T2768] ? __kasan_check_write+0x14/0x20 [ 289.101444][ T2768] ? mutex_lock+0xb2/0x1e0 [ 289.105847][ T2768] ? mutex_trylock+0x180/0x180 [ 289.110591][ T2768] ? __fdget_pos+0x26d/0x310 [ 289.115167][ T2768] ? ksys_write+0x77/0x2c0 [ 289.119566][ T2768] ksys_write+0x198/0x2c0 [ 289.123978][ T2768] ? __kasan_check_write+0x14/0x20 [ 289.130084][ T2768] ? __ia32_sys_read+0x90/0x90 [ 289.134999][ T2768] ? debug_smp_processor_id+0x17/0x20 [ 289.140347][ T2768] __x64_sys_write+0x7b/0x90 [ 289.145187][ T2768] do_syscall_64+0x34/0x70 [ 289.149586][ T2768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 289.155547][ T2768] RIP: 0033:0x7f7d1c31ab5f [ 289.160374][ T2768] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 289.180644][ T2768] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 289.189290][ T2768] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 289.197960][ T2768] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 289.206503][ T2768] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 289.215676][ T2768] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 289.224470][ T2768] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 289.235081][ T2776] FAULT_INJECTION: forcing a failure. [ 289.235081][ T2776] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.237032][ T2779] FAULT_INJECTION: forcing a failure. [ 289.237032][ T2779] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.249147][ T2777] FAULT_INJECTION: forcing a failure. [ 289.249147][ T2777] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.276752][ T2779] CPU: 0 PID: 2779 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 289.277522][ T2782] FAULT_INJECTION: forcing a failure. [ 289.277522][ T2782] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.287155][ T2779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 289.287159][ T2779] Call Trace: [ 289.287179][ T2779] dump_stack_lvl+0x1e2/0x24b [ 289.287190][ T2779] ? bfq_pos_tree_add_move+0x43e/0x43e [ 289.287199][ T2779] ? vsnprintf+0x1fa/0x1cd0 [ 289.287208][ T2779] dump_stack+0x15/0x17 [ 289.287217][ T2779] should_fail+0x3c0/0x510 [ 289.287226][ T2779] should_fail_usercopy+0x1a/0x20 [ 289.287235][ T2779] _copy_from_user+0x20/0xd0 [ 289.287245][ T2779] kstrtouint_from_user+0xd7/0x2b0 [ 289.287256][ T2779] ? kstrtol_from_user+0x310/0x310 [ 289.287264][ T2779] ? snprintf+0xd6/0x120 [ 289.287277][ T2779] ? avc_policy_seqno+0x1b/0x70 [ 289.287296][ T2779] ? selinux_file_permission+0x2a9/0x520 [ 289.374791][ T2779] proc_fail_nth_write+0xa5/0x290 [ 289.379897][ T2779] ? security_file_permission+0x9d/0xc0 [ 289.385524][ T2779] ? proc_fail_nth_read+0x220/0x220 [ 289.390920][ T2779] ? security_file_permission+0xa8/0xc0 [ 289.396459][ T2779] ? rw_verify_area+0x1c2/0x360 [ 289.401465][ T2779] ? proc_fail_nth_read+0x220/0x220 [ 289.406751][ T2779] vfs_write+0x39b/0xf80 [ 289.411043][ T2779] ? kernel_write+0x420/0x420 [ 289.415700][ T2779] ? __kasan_check_write+0x14/0x20 [ 289.420793][ T2779] ? mutex_lock+0xb2/0x1e0 [ 289.425471][ T2779] ? mutex_trylock+0x180/0x180 [ 289.430315][ T2779] ? __fdget_pos+0x26d/0x310 [ 289.434891][ T2779] ? ksys_write+0x77/0x2c0 [ 289.439375][ T2779] ksys_write+0x198/0x2c0 [ 289.443913][ T2779] ? __kasan_check_write+0x14/0x20 [ 289.449843][ T2779] ? __ia32_sys_read+0x90/0x90 [ 289.454606][ T2779] ? debug_smp_processor_id+0x17/0x20 [ 289.460154][ T2779] __x64_sys_write+0x7b/0x90 [ 289.464818][ T2779] do_syscall_64+0x34/0x70 [ 289.469218][ T2779] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 289.475208][ T2779] RIP: 0033:0x7f022ab05b5f [ 289.479707][ T2779] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 289.500970][ T2779] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 289.509712][ T2779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 289.518720][ T2779] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 289.526785][ T2779] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 289.535009][ T2779] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 289.543232][ T2779] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 289.551378][ T2777] CPU: 1 PID: 2777 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 289.562478][ T2777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 289.572529][ T2777] Call Trace: [ 289.575894][ T2777] dump_stack_lvl+0x1e2/0x24b [ 289.580634][ T2777] ? bfq_pos_tree_add_move+0x43e/0x43e [ 289.586068][ T2777] ? vsnprintf+0x1fa/0x1cd0 [ 289.590748][ T2777] dump_stack+0x15/0x17 [ 289.594886][ T2777] should_fail+0x3c0/0x510 [ 289.599381][ T2777] should_fail_usercopy+0x1a/0x20 [ 289.604564][ T2777] _copy_from_user+0x20/0xd0 [ 289.609304][ T2777] kstrtouint_from_user+0xd7/0x2b0 [ 289.614476][ T2777] ? kstrtol_from_user+0x310/0x310 [ 289.619567][ T2777] ? snprintf+0xd6/0x120 [ 289.624078][ T2777] ? avc_policy_seqno+0x1b/0x70 [ 289.628904][ T2777] ? selinux_file_permission+0x2a9/0x520 [ 289.634510][ T2777] proc_fail_nth_write+0xa5/0x290 [ 289.639687][ T2777] ? security_file_permission+0x9d/0xc0 [ 289.645421][ T2777] ? proc_fail_nth_read+0x220/0x220 [ 289.650596][ T2777] ? security_file_permission+0xa8/0xc0 [ 289.656438][ T2777] ? rw_verify_area+0x1c2/0x360 [ 289.661628][ T2777] ? proc_fail_nth_read+0x220/0x220 [ 289.667001][ T2777] vfs_write+0x39b/0xf80 [ 289.671322][ T2777] ? kernel_write+0x420/0x420 [ 289.676082][ T2777] ? __kasan_check_write+0x14/0x20 [ 289.681180][ T2777] ? mutex_lock+0xb2/0x1e0 [ 289.685572][ T2777] ? mutex_trylock+0x180/0x180 [ 289.690501][ T2777] ? __fdget_pos+0x26d/0x310 [ 289.695332][ T2777] ? ksys_write+0x77/0x2c0 [ 289.700130][ T2777] ksys_write+0x198/0x2c0 [ 289.704559][ T2777] ? __kasan_check_write+0x14/0x20 [ 289.712616][ T2777] ? __ia32_sys_read+0x90/0x90 [ 289.717801][ T2777] ? debug_smp_processor_id+0x17/0x20 [ 289.723443][ T2777] __x64_sys_write+0x7b/0x90 [ 289.728019][ T2777] do_syscall_64+0x34/0x70 [ 289.732533][ T2777] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 289.738678][ T2777] RIP: 0033:0x7f6ebe0d0b5f [ 289.743601][ T2777] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 289.764297][ T2777] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 289.773230][ T2777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f 2022/08/30 17:00:30 executed programs: 1075 [ 289.781641][ T2777] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 289.789767][ T2777] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 289.797998][ T2777] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 289.806129][ T2777] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 289.815343][ T2782] CPU: 0 PID: 2782 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 289.826282][ T2782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 289.836507][ T2782] Call Trace: [ 289.839911][ T2782] dump_stack_lvl+0x1e2/0x24b [ 289.844574][ T2782] ? bfq_pos_tree_add_move+0x43e/0x43e [ 289.850124][ T2782] ? vsnprintf+0x1fa/0x1cd0 [ 289.854713][ T2782] dump_stack+0x15/0x17 [ 289.858967][ T2782] should_fail+0x3c0/0x510 [ 289.863557][ T2782] should_fail_usercopy+0x1a/0x20 [ 289.868620][ T2782] _copy_from_user+0x20/0xd0 [ 289.873202][ T2782] kstrtouint_from_user+0xd7/0x2b0 [ 289.878301][ T2782] ? kstrtol_from_user+0x310/0x310 [ 289.883406][ T2782] ? snprintf+0xd6/0x120 [ 289.887832][ T2782] ? avc_policy_seqno+0x1b/0x70 [ 289.892934][ T2782] ? selinux_file_permission+0x2a9/0x520 [ 289.898815][ T2782] proc_fail_nth_write+0xa5/0x290 [ 289.904192][ T2782] ? security_file_permission+0x9d/0xc0 [ 289.910564][ T2782] ? proc_fail_nth_read+0x220/0x220 [ 289.918276][ T2782] ? security_file_permission+0xa8/0xc0 [ 289.923999][ T2782] ? rw_verify_area+0x1c2/0x360 [ 289.928900][ T2782] ? proc_fail_nth_read+0x220/0x220 [ 289.934176][ T2782] vfs_write+0x39b/0xf80 [ 289.938402][ T2782] ? kernel_write+0x420/0x420 [ 289.943080][ T2782] ? __kasan_check_write+0x14/0x20 [ 289.948396][ T2782] ? mutex_lock+0xb2/0x1e0 [ 289.952987][ T2782] ? mutex_trylock+0x180/0x180 [ 289.957740][ T2782] ? __fdget_pos+0x26d/0x310 [ 289.962522][ T2782] ? ksys_write+0x77/0x2c0 [ 289.966920][ T2782] ksys_write+0x198/0x2c0 [ 289.971604][ T2782] ? __ia32_sys_read+0x90/0x90 [ 289.976957][ T2782] ? debug_smp_processor_id+0x17/0x20 [ 289.982759][ T2782] __x64_sys_write+0x7b/0x90 [ 289.987436][ T2782] do_syscall_64+0x34/0x70 [ 289.991956][ T2782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 289.998029][ T2782] RIP: 0033:0x7faa22393b5f [ 290.002603][ T2782] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 290.023562][ T2782] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 290.032666][ T2782] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 290.041314][ T2782] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 290.049279][ T2782] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 290.057769][ T2782] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 290.066168][ T2782] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 290.074829][ T2776] CPU: 1 PID: 2776 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 290.077170][ T2784] FAULT_INJECTION: forcing a failure. [ 290.077170][ T2784] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.085158][ T2776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 290.085163][ T2776] Call Trace: [ 290.085180][ T2776] dump_stack_lvl+0x1e2/0x24b [ 290.085187][ T2776] ? bfq_pos_tree_add_move+0x43e/0x43e [ 290.085194][ T2776] ? vsnprintf+0x1fa/0x1cd0 [ 290.085200][ T2776] dump_stack+0x15/0x17 [ 290.085209][ T2776] should_fail+0x3c0/0x510 [ 290.085217][ T2776] should_fail_usercopy+0x1a/0x20 [ 290.085226][ T2776] _copy_from_user+0x20/0xd0 [ 290.085234][ T2776] kstrtouint_from_user+0xd7/0x2b0 [ 290.085243][ T2776] ? kstrtol_from_user+0x310/0x310 [ 290.085250][ T2776] ? snprintf+0xd6/0x120 [ 290.085262][ T2776] ? avc_policy_seqno+0x1b/0x70 [ 290.085271][ T2776] ? selinux_file_permission+0x2a9/0x520 [ 290.085290][ T2776] proc_fail_nth_write+0xa5/0x290 [ 290.153819][ T2786] FAULT_INJECTION: forcing a failure. [ 290.153819][ T2786] name failslab, interval 1, probability 0, space 0, times 0 [ 290.158645][ T2776] ? security_file_permission+0x9d/0xc0 [ 290.158656][ T2776] ? proc_fail_nth_read+0x220/0x220 [ 290.158664][ T2776] ? security_file_permission+0xa8/0xc0 [ 290.158681][ T2776] ? rw_verify_area+0x1c2/0x360 [ 290.214626][ T2776] ? proc_fail_nth_read+0x220/0x220 [ 290.220462][ T2776] vfs_write+0x39b/0xf80 [ 290.226029][ T2776] ? kernel_write+0x420/0x420 [ 290.231051][ T2776] ? __kasan_check_write+0x14/0x20 [ 290.236415][ T2776] ? mutex_lock+0xb2/0x1e0 [ 290.240902][ T2776] ? mutex_trylock+0x180/0x180 [ 290.246102][ T2776] ? __fdget_pos+0x26d/0x310 [ 290.250822][ T2776] ? ksys_write+0x77/0x2c0 [ 290.255395][ T2776] ksys_write+0x198/0x2c0 [ 290.259706][ T2776] ? __kasan_check_write+0x14/0x20 [ 290.265264][ T2776] ? __ia32_sys_read+0x90/0x90 [ 290.270011][ T2776] ? debug_smp_processor_id+0x17/0x20 [ 290.276955][ T2776] __x64_sys_write+0x7b/0x90 [ 290.281714][ T2776] do_syscall_64+0x34/0x70 [ 290.287076][ T2776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 290.292964][ T2776] RIP: 0033:0x7f869ba6eb5f [ 290.297360][ T2776] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 290.317475][ T2776] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 290.326049][ T2776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 290.334094][ T2776] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 290.343288][ T2776] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 290.351500][ T2776] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 290.359661][ T2776] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 290.367734][ T2784] CPU: 0 PID: 2784 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 290.378225][ T2784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 290.389214][ T2784] Call Trace: [ 290.392687][ T2784] dump_stack_lvl+0x1e2/0x24b [ 290.397427][ T2784] ? bfq_pos_tree_add_move+0x43e/0x43e [ 290.403223][ T2784] ? vsnprintf+0x1fa/0x1cd0 [ 290.409204][ T2784] dump_stack+0x15/0x17 [ 290.413628][ T2784] should_fail+0x3c0/0x510 [ 290.418473][ T2784] should_fail_usercopy+0x1a/0x20 [ 290.424090][ T2784] _copy_from_user+0x20/0xd0 [ 290.429094][ T2784] kstrtouint_from_user+0xd7/0x2b0 [ 290.434355][ T2784] ? kstrtol_from_user+0x310/0x310 [ 290.440075][ T2784] ? snprintf+0xd6/0x120 [ 290.444382][ T2784] ? avc_policy_seqno+0x1b/0x70 [ 290.449209][ T2784] ? selinux_file_permission+0x2a9/0x520 [ 290.454999][ T2784] proc_fail_nth_write+0xa5/0x290 [ 290.460261][ T2784] ? security_file_permission+0x9d/0xc0 [ 290.465879][ T2784] ? proc_fail_nth_read+0x220/0x220 [ 290.471143][ T2784] ? security_file_permission+0xa8/0xc0 [ 290.476857][ T2784] ? rw_verify_area+0x1c2/0x360 [ 290.481700][ T2784] ? proc_fail_nth_read+0x220/0x220 [ 290.486882][ T2784] vfs_write+0x39b/0xf80 [ 290.491148][ T2784] ? kernel_write+0x420/0x420 [ 290.496314][ T2784] ? __kasan_check_write+0x14/0x20 [ 290.501486][ T2784] ? mutex_lock+0xb2/0x1e0 [ 290.506006][ T2784] ? mutex_trylock+0x180/0x180 [ 290.510844][ T2784] ? __fdget_pos+0x26d/0x310 [ 290.515499][ T2784] ? ksys_write+0x77/0x2c0 [ 290.520007][ T2784] ksys_write+0x198/0x2c0 [ 290.524586][ T2784] ? __ia32_sys_read+0x90/0x90 [ 290.529586][ T2784] ? debug_smp_processor_id+0x17/0x20 [ 290.535095][ T2784] __x64_sys_write+0x7b/0x90 [ 290.539746][ T2784] do_syscall_64+0x34/0x70 [ 290.544138][ T2784] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 290.550287][ T2784] RIP: 0033:0x7f7d1c31ab5f [ 290.554685][ T2784] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 290.574349][ T2784] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 290.582909][ T2784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 290.591034][ T2784] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 290.599160][ T2784] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 290.607303][ T2784] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 290.615491][ T2784] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 290.626225][ T2786] CPU: 0 PID: 2786 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 290.636641][ T2786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 290.647118][ T2786] Call Trace: [ 290.650398][ T2786] dump_stack_lvl+0x1e2/0x24b [ 290.655049][ T2786] ? panic+0x7d7/0x7d7 [ 290.659105][ T2786] ? bfq_pos_tree_add_move+0x43e/0x43e [ 290.664656][ T2786] ? find_next_bit+0xd6/0x120 [ 290.669513][ T2786] ? cpumask_next+0x11/0x30 [ 290.674006][ T2786] dump_stack+0x15/0x17 [ 290.678161][ T2786] should_fail+0x3c0/0x510 [ 290.682552][ T2786] ? percpu_ref_init+0xd0/0x340 [ 290.687395][ T2786] __should_failslab+0x9f/0xe0 [ 290.692321][ T2786] should_failslab+0x9/0x20 [ 290.697172][ T2786] kmem_cache_alloc_trace+0x3a/0x330 [ 290.702432][ T2786] percpu_ref_init+0xd0/0x340 [ 290.707084][ T2786] ? cgroup_setup_root+0xea0/0xea0 [ 290.712171][ T2786] cgroup_apply_control_enable+0x3a2/0x12f0 [ 290.718138][ T2786] ? cgroup_reconfigure+0xe0/0xe0 [ 290.723221][ T2786] cgroup_apply_control+0x8e/0x7e0 [ 290.728566][ T2786] ? css_next_child+0x160/0x160 [ 290.733738][ T2786] ? io_schedule+0x120/0x120 [ 290.738427][ T2786] ? kernfs_fop_write_iter+0x15e/0x410 [ 290.743860][ T2786] ? __kasan_check_write+0x14/0x20 [ 290.749158][ T2786] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 290.754689][ T2786] cgroup_subtree_control_write+0xd19/0x1310 [ 290.761641][ T2786] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 290.767785][ T2786] ? __kasan_check_write+0x14/0x20 [ 290.772908][ T2786] ? _copy_from_iter+0x3fb/0xd60 [ 290.778015][ T2786] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 290.784437][ T2786] cgroup_file_write+0x28e/0x590 [ 290.789809][ T2786] ? cgroup_seqfile_stop+0xc0/0xc0 [ 290.794948][ T2786] ? mutex_trylock+0x180/0x180 [ 290.799711][ T2786] ? __kasan_check_write+0x14/0x20 [ 290.805249][ T2786] kernfs_fop_write_iter+0x2d0/0x410 [ 290.810861][ T2786] ? cgroup_seqfile_stop+0xc0/0xc0 [ 290.816087][ T2786] vfs_write+0xc4a/0xf80 [ 290.820308][ T2786] ? kernel_write+0x420/0x420 [ 290.825756][ T2786] ? mutex_lock+0xb2/0x1e0 [ 290.830620][ T2786] ? mutex_trylock+0x180/0x180 [ 290.836434][ T2786] ? __fdget_pos+0x26d/0x310 [ 290.841193][ T2786] ? ksys_write+0x77/0x2c0 [ 290.845846][ T2786] ksys_write+0x198/0x2c0 [ 290.850859][ T2786] ? __ia32_sys_read+0x90/0x90 [ 290.855810][ T2786] ? debug_smp_processor_id+0x17/0x20 [ 290.861351][ T2786] __x64_sys_write+0x7b/0x90 [ 290.865922][ T2786] do_syscall_64+0x34/0x70 [ 290.870590][ T2786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 290.876489][ T2786] RIP: 0033:0x7f85191c4049 [ 290.880889][ T2786] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 290.901997][ T2786] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 290.910507][ T2786] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 290.918744][ T2786] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 290.926877][ T2786] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 290.935177][ T2786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 290.943136][ T2786] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 290.963118][ T2788] FAULT_INJECTION: forcing a failure. [ 290.963118][ T2788] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.976819][ T2790] FAULT_INJECTION: forcing a failure. [ 290.976819][ T2790] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.979970][ T2788] CPU: 1 PID: 2788 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 290.991067][ T2792] FAULT_INJECTION: forcing a failure. [ 290.991067][ T2792] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.000810][ T2788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 291.000815][ T2788] Call Trace: [ 291.000836][ T2788] dump_stack_lvl+0x1e2/0x24b [ 291.000847][ T2788] ? bfq_pos_tree_add_move+0x43e/0x43e [ 291.000856][ T2788] ? vsnprintf+0x1fa/0x1cd0 [ 291.000866][ T2788] dump_stack+0x15/0x17 [ 291.000876][ T2788] should_fail+0x3c0/0x510 [ 291.000885][ T2788] should_fail_usercopy+0x1a/0x20 [ 291.000896][ T2788] _copy_from_user+0x20/0xd0 [ 291.000906][ T2788] kstrtouint_from_user+0xd7/0x2b0 [ 291.000916][ T2788] ? kstrtol_from_user+0x310/0x310 [ 291.000934][ T2788] ? snprintf+0xd6/0x120 [ 291.076940][ T2788] ? avc_policy_seqno+0x1b/0x70 [ 291.081776][ T2788] ? selinux_file_permission+0x2a9/0x520 [ 291.087730][ T2788] proc_fail_nth_write+0xa5/0x290 [ 291.093117][ T2788] ? security_file_permission+0x9d/0xc0 [ 291.098821][ T2788] ? proc_fail_nth_read+0x220/0x220 [ 291.104176][ T2788] ? security_file_permission+0xa8/0xc0 [ 291.109809][ T2788] ? rw_verify_area+0x1c2/0x360 [ 291.115115][ T2788] ? proc_fail_nth_read+0x220/0x220 [ 291.115905][ T2794] FAULT_INJECTION: forcing a failure. [ 291.115905][ T2794] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.120504][ T2788] vfs_write+0x39b/0xf80 [ 291.120523][ T2788] ? kernel_write+0x420/0x420 [ 291.143593][ T2788] ? __kasan_check_write+0x14/0x20 [ 291.148687][ T2788] ? mutex_lock+0xb2/0x1e0 [ 291.153183][ T2788] ? mutex_trylock+0x180/0x180 [ 291.158114][ T2788] ? __fdget_pos+0x26d/0x310 [ 291.162717][ T2788] ? ksys_write+0x77/0x2c0 [ 291.167199][ T2788] ksys_write+0x198/0x2c0 [ 291.171510][ T2788] ? __kasan_check_write+0x14/0x20 [ 291.176717][ T2788] ? __ia32_sys_read+0x90/0x90 [ 291.181641][ T2788] ? debug_smp_processor_id+0x17/0x20 [ 291.187220][ T2788] __x64_sys_write+0x7b/0x90 [ 291.191798][ T2788] do_syscall_64+0x34/0x70 [ 291.196201][ T2788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 291.202256][ T2788] RIP: 0033:0x7f022ab05b5f [ 291.206742][ T2788] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 291.227361][ T2788] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 291.235766][ T2788] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 291.243993][ T2788] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 291.252049][ T2788] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 291.260012][ T2788] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 291.268141][ T2788] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 291.276287][ T2792] CPU: 0 PID: 2792 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 291.288015][ T2792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 291.298595][ T2792] Call Trace: [ 291.301967][ T2792] dump_stack_lvl+0x1e2/0x24b [ 291.306658][ T2792] ? bfq_pos_tree_add_move+0x43e/0x43e [ 291.312200][ T2792] ? vsnprintf+0x1fa/0x1cd0 [ 291.316710][ T2792] dump_stack+0x15/0x17 [ 291.321054][ T2792] should_fail+0x3c0/0x510 [ 291.325715][ T2792] should_fail_usercopy+0x1a/0x20 [ 291.330829][ T2792] _copy_from_user+0x20/0xd0 [ 291.335677][ T2792] kstrtouint_from_user+0xd7/0x2b0 [ 291.341381][ T2792] ? kstrtol_from_user+0x310/0x310 [ 291.347429][ T2792] ? snprintf+0xd6/0x120 [ 291.351663][ T2792] ? avc_policy_seqno+0x1b/0x70 [ 291.356900][ T2792] ? selinux_file_permission+0x2a9/0x520 [ 291.362749][ T2792] proc_fail_nth_write+0xa5/0x290 [ 291.367778][ T2792] ? security_file_permission+0x9d/0xc0 [ 291.374070][ T2792] ? proc_fail_nth_read+0x220/0x220 [ 291.379435][ T2792] ? security_file_permission+0xa8/0xc0 [ 291.385362][ T2792] ? rw_verify_area+0x1c2/0x360 [ 291.390217][ T2792] ? proc_fail_nth_read+0x220/0x220 [ 291.395559][ T2792] vfs_write+0x39b/0xf80 [ 291.399786][ T2792] ? kernel_write+0x420/0x420 [ 291.404451][ T2792] ? __kasan_check_write+0x14/0x20 [ 291.409542][ T2792] ? mutex_lock+0xb2/0x1e0 [ 291.414071][ T2792] ? mutex_trylock+0x180/0x180 [ 291.419005][ T2792] ? __fdget_pos+0x26d/0x310 [ 291.423665][ T2792] ? ksys_write+0x77/0x2c0 [ 291.428069][ T2792] ksys_write+0x198/0x2c0 [ 291.432394][ T2792] ? __ia32_sys_read+0x90/0x90 [ 291.437489][ T2792] ? debug_smp_processor_id+0x17/0x20 [ 291.442858][ T2792] __x64_sys_write+0x7b/0x90 [ 291.447606][ T2792] do_syscall_64+0x34/0x70 [ 291.452283][ T2792] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 291.458414][ T2792] RIP: 0033:0x7f6ebe0d0b5f [ 291.462826][ T2792] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 291.483376][ T2792] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 291.491959][ T2792] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 291.499995][ T2792] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 291.508357][ T2792] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 291.516498][ T2792] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 291.524448][ T2792] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 291.535010][ T2794] CPU: 1 PID: 2794 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 291.545348][ T2794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 291.555674][ T2794] Call Trace: [ 291.559157][ T2794] dump_stack_lvl+0x1e2/0x24b [ 291.563833][ T2794] ? bfq_pos_tree_add_move+0x43e/0x43e [ 291.569625][ T2794] ? vsnprintf+0x1fa/0x1cd0 [ 291.574112][ T2794] dump_stack+0x15/0x17 [ 291.578930][ T2794] should_fail+0x3c0/0x510 [ 291.583440][ T2794] should_fail_usercopy+0x1a/0x20 [ 291.588547][ T2794] _copy_from_user+0x20/0xd0 [ 291.593133][ T2794] kstrtouint_from_user+0xd7/0x2b0 [ 291.593179][ T2799] FAULT_INJECTION: forcing a failure. [ 291.593179][ T2799] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.598569][ T2794] ? kstrtol_from_user+0x310/0x310 [ 291.598578][ T2794] ? snprintf+0xd6/0x120 [ 291.598590][ T2794] ? avc_policy_seqno+0x1b/0x70 [ 291.598605][ T2794] ? selinux_file_permission+0x2a9/0x520 [ 291.631968][ T2794] proc_fail_nth_write+0xa5/0x290 [ 291.636980][ T2794] ? security_file_permission+0x9d/0xc0 [ 291.642589][ T2794] ? proc_fail_nth_read+0x220/0x220 [ 291.642666][ T2800] FAULT_INJECTION: forcing a failure. [ 291.642666][ T2800] name failslab, interval 1, probability 0, space 0, times 0 [ 291.647771][ T2794] ? security_file_permission+0xa8/0xc0 [ 291.647782][ T2794] ? rw_verify_area+0x1c2/0x360 [ 291.647790][ T2794] ? proc_fail_nth_read+0x220/0x220 [ 291.647798][ T2794] vfs_write+0x39b/0xf80 [ 291.647813][ T2794] ? kernel_write+0x420/0x420 [ 291.685476][ T2794] ? __kasan_check_write+0x14/0x20 [ 291.690672][ T2794] ? mutex_lock+0xb2/0x1e0 [ 291.695079][ T2794] ? mutex_trylock+0x180/0x180 [ 291.700096][ T2794] ? __fdget_pos+0x26d/0x310 [ 291.704842][ T2794] ? ksys_write+0x77/0x2c0 [ 291.709327][ T2794] ksys_write+0x198/0x2c0 [ 291.713724][ T2794] ? __ia32_sys_read+0x90/0x90 [ 291.718468][ T2794] ? debug_smp_processor_id+0x17/0x20 [ 291.723828][ T2794] __x64_sys_write+0x7b/0x90 [ 291.728418][ T2794] do_syscall_64+0x34/0x70 [ 291.732840][ T2794] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 291.738840][ T2794] RIP: 0033:0x7f7d1c31ab5f [ 291.743503][ T2794] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 291.764114][ T2794] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 291.773862][ T2794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 291.781905][ T2794] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 291.790125][ T2794] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 291.798430][ T2794] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 291.806518][ T2794] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 291.814520][ T2800] CPU: 0 PID: 2800 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 291.825144][ T2800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 291.835446][ T2800] Call Trace: [ 291.838933][ T2800] dump_stack_lvl+0x1e2/0x24b [ 291.843587][ T2800] ? panic+0x7d7/0x7d7 [ 291.847895][ T2800] ? bfq_pos_tree_add_move+0x43e/0x43e [ 291.853704][ T2800] ? find_next_bit+0xd6/0x120 [ 291.858466][ T2800] ? cpumask_next+0x11/0x30 [ 291.863091][ T2800] dump_stack+0x15/0x17 [ 291.867484][ T2800] should_fail+0x3c0/0x510 [ 291.872100][ T2800] ? percpu_ref_init+0xd0/0x340 [ 291.876942][ T2800] __should_failslab+0x9f/0xe0 [ 291.881714][ T2800] should_failslab+0x9/0x20 [ 291.886196][ T2800] kmem_cache_alloc_trace+0x3a/0x330 [ 291.891456][ T2800] percpu_ref_init+0xd0/0x340 [ 291.896228][ T2800] ? cgroup_setup_root+0xea0/0xea0 [ 291.901472][ T2800] cgroup_apply_control_enable+0x3a2/0x12f0 [ 291.907855][ T2800] ? cgroup_reconfigure+0xe0/0xe0 [ 291.913583][ T2800] cgroup_apply_control+0x8e/0x7e0 [ 291.919033][ T2800] ? css_next_child+0x160/0x160 [ 291.923977][ T2800] ? io_schedule+0x120/0x120 [ 291.929118][ T2800] ? kernfs_fop_write_iter+0x15e/0x410 [ 291.935201][ T2800] ? __kasan_check_write+0x14/0x20 [ 291.940589][ T2800] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 291.946112][ T2800] cgroup_subtree_control_write+0xd19/0x1310 [ 291.952281][ T2800] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.959008][ T2800] ? __kasan_check_write+0x14/0x20 [ 291.964392][ T2800] ? _copy_from_iter+0x3fb/0xd60 [ 291.969601][ T2800] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.976401][ T2800] cgroup_file_write+0x28e/0x590 [ 291.982039][ T2800] ? cgroup_seqfile_stop+0xc0/0xc0 [ 291.988853][ T2800] ? mutex_trylock+0x180/0x180 [ 291.994943][ T2800] ? __kasan_check_write+0x14/0x20 [ 292.000606][ T2800] kernfs_fop_write_iter+0x2d0/0x410 [ 292.006243][ T2800] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.012114][ T2800] vfs_write+0xc4a/0xf80 [ 292.016651][ T2800] ? kernel_write+0x420/0x420 [ 292.021589][ T2800] ? mutex_lock+0xb2/0x1e0 [ 292.026244][ T2800] ? mutex_trylock+0x180/0x180 [ 292.031098][ T2800] ? __fdget_pos+0x26d/0x310 [ 292.036249][ T2800] ? ksys_write+0x77/0x2c0 [ 292.041171][ T2800] ksys_write+0x198/0x2c0 [ 292.046025][ T2800] ? __ia32_sys_read+0x90/0x90 [ 292.051048][ T2800] ? debug_smp_processor_id+0x17/0x20 [ 292.056406][ T2800] __x64_sys_write+0x7b/0x90 [ 292.061189][ T2800] do_syscall_64+0x34/0x70 [ 292.066405][ T2800] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 292.072377][ T2800] RIP: 0033:0x7f85191c4049 [ 292.076861][ T2800] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 292.098875][ T2800] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 292.108070][ T2800] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 292.119124][ T2800] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 292.127876][ T2800] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.136449][ T2800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 292.144758][ T2800] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 292.155148][ T2790] CPU: 1 PID: 2790 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 292.165846][ T2790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 292.176712][ T2790] Call Trace: [ 292.180017][ T2790] dump_stack_lvl+0x1e2/0x24b [ 292.184779][ T2790] ? bfq_pos_tree_add_move+0x43e/0x43e [ 292.190221][ T2790] ? vsnprintf+0x1fa/0x1cd0 [ 292.194709][ T2790] dump_stack+0x15/0x17 [ 292.199106][ T2790] should_fail+0x3c0/0x510 [ 292.203603][ T2790] should_fail_usercopy+0x1a/0x20 [ 292.209085][ T2790] _copy_from_user+0x20/0xd0 [ 292.213798][ T2790] kstrtouint_from_user+0xd7/0x2b0 [ 292.218912][ T2790] ? kstrtol_from_user+0x310/0x310 [ 292.224438][ T2790] ? snprintf+0xd6/0x120 [ 292.228664][ T2790] ? avc_policy_seqno+0x1b/0x70 [ 292.233772][ T2790] ? selinux_file_permission+0x2a9/0x520 [ 292.239606][ T2790] proc_fail_nth_write+0xa5/0x290 [ 292.244685][ T2790] ? security_file_permission+0x9d/0xc0 [ 292.250300][ T2790] ? proc_fail_nth_read+0x220/0x220 [ 292.255834][ T2790] ? security_file_permission+0xa8/0xc0 [ 292.261363][ T2790] ? rw_verify_area+0x1c2/0x360 [ 292.266279][ T2790] ? proc_fail_nth_read+0x220/0x220 [ 292.271646][ T2790] vfs_write+0x39b/0xf80 [ 292.276055][ T2790] ? kernel_write+0x420/0x420 [ 292.280973][ T2790] ? __kasan_check_write+0x14/0x20 [ 292.286413][ T2790] ? mutex_lock+0xb2/0x1e0 [ 292.290810][ T2790] ? mutex_trylock+0x180/0x180 [ 292.295931][ T2790] ? __fdget_pos+0x26d/0x310 [ 292.300644][ T2790] ? ksys_write+0x77/0x2c0 [ 292.305046][ T2790] ksys_write+0x198/0x2c0 [ 292.309360][ T2790] ? __kasan_check_write+0x14/0x20 [ 292.314544][ T2790] ? __ia32_sys_read+0x90/0x90 [ 292.319345][ T2790] ? debug_smp_processor_id+0x17/0x20 [ 292.324908][ T2790] __x64_sys_write+0x7b/0x90 [ 292.329620][ T2790] do_syscall_64+0x34/0x70 [ 292.334208][ T2790] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 292.340145][ T2790] RIP: 0033:0x7f869ba6eb5f [ 292.344544][ T2790] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 292.365065][ T2790] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 292.373850][ T2790] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 292.381826][ T2790] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 292.390015][ T2790] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.398230][ T2790] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 292.406468][ T2790] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 292.414432][ T2799] CPU: 0 PID: 2799 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 292.425281][ T2799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 292.428405][ T2808] FAULT_INJECTION: forcing a failure. [ 292.428405][ T2808] name failslab, interval 1, probability 0, space 0, times 0 [ 292.435769][ T2799] Call Trace: [ 292.435789][ T2799] dump_stack_lvl+0x1e2/0x24b [ 292.435799][ T2799] ? bfq_pos_tree_add_move+0x43e/0x43e [ 292.435808][ T2799] ? vsnprintf+0x1fa/0x1cd0 [ 292.435818][ T2799] dump_stack+0x15/0x17 [ 292.435826][ T2799] should_fail+0x3c0/0x510 [ 292.435844][ T2799] should_fail_usercopy+0x1a/0x20 [ 292.480649][ T2799] _copy_from_user+0x20/0xd0 [ 292.485564][ T2799] kstrtouint_from_user+0xd7/0x2b0 [ 292.490801][ T2799] ? kstrtol_from_user+0x310/0x310 [ 292.496278][ T2799] ? snprintf+0xd6/0x120 [ 292.500523][ T2799] ? avc_policy_seqno+0x1b/0x70 [ 292.505375][ T2799] ? selinux_file_permission+0x2a9/0x520 [ 292.511008][ T2799] proc_fail_nth_write+0xa5/0x290 [ 292.516141][ T2799] ? security_file_permission+0x9d/0xc0 [ 292.521677][ T2799] ? proc_fail_nth_read+0x220/0x220 [ 292.526857][ T2799] ? security_file_permission+0xa8/0xc0 [ 292.532385][ T2799] ? rw_verify_area+0x1c2/0x360 [ 292.537825][ T2799] ? proc_fail_nth_read+0x220/0x220 [ 292.543028][ T2799] vfs_write+0x39b/0xf80 [ 292.547366][ T2799] ? kernel_write+0x420/0x420 [ 292.552194][ T2799] ? __kasan_check_write+0x14/0x20 [ 292.557555][ T2799] ? mutex_lock+0xb2/0x1e0 [ 292.562388][ T2799] ? mutex_trylock+0x180/0x180 [ 292.567137][ T2799] ? __fdget_pos+0x26d/0x310 [ 292.571891][ T2799] ? ksys_write+0x77/0x2c0 [ 292.576291][ T2799] ksys_write+0x198/0x2c0 [ 292.580717][ T2799] ? __ia32_sys_read+0x90/0x90 [ 292.585746][ T2799] ? debug_smp_processor_id+0x17/0x20 [ 292.591211][ T2799] __x64_sys_write+0x7b/0x90 [ 292.596052][ T2799] do_syscall_64+0x34/0x70 [ 292.600627][ T2799] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 292.606648][ T2799] RIP: 0033:0x7f022ab05b5f [ 292.611319][ T2799] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 292.632042][ T2799] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 292.640628][ T2799] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 292.648958][ T2799] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 292.657013][ T2799] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.664973][ T2799] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 292.673028][ T2799] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 292.682405][ T2808] CPU: 1 PID: 2808 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 292.692920][ T2808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 292.703041][ T2808] Call Trace: [ 292.706489][ T2808] dump_stack_lvl+0x1e2/0x24b [ 292.711154][ T2808] ? panic+0x7d7/0x7d7 [ 292.715201][ T2808] ? bfq_pos_tree_add_move+0x43e/0x43e [ 292.720946][ T2808] ? find_next_bit+0xd6/0x120 [ 292.725809][ T2808] ? cpumask_next+0x11/0x30 [ 292.730603][ T2808] dump_stack+0x15/0x17 [ 292.734837][ T2808] should_fail+0x3c0/0x510 [ 292.739230][ T2808] ? percpu_ref_init+0xd0/0x340 [ 292.744235][ T2808] __should_failslab+0x9f/0xe0 [ 292.749063][ T2808] should_failslab+0x9/0x20 [ 292.753819][ T2808] kmem_cache_alloc_trace+0x3a/0x330 [ 292.759102][ T2808] percpu_ref_init+0xd0/0x340 [ 292.763759][ T2808] ? cgroup_setup_root+0xea0/0xea0 [ 292.769017][ T2808] cgroup_apply_control_enable+0x3a2/0x12f0 [ 292.775634][ T2808] ? cgroup_reconfigure+0xe0/0xe0 [ 292.780987][ T2808] cgroup_apply_control+0x8e/0x7e0 [ 292.786084][ T2808] ? css_next_child+0x160/0x160 [ 292.791086][ T2808] ? io_schedule+0x120/0x120 [ 292.795672][ T2808] ? kernfs_fop_write_iter+0x15e/0x410 [ 292.801289][ T2808] ? __kasan_check_write+0x14/0x20 [ 292.806553][ T2808] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 292.811903][ T2808] cgroup_subtree_control_write+0xd19/0x1310 [ 292.818315][ T2808] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 292.824273][ T2808] ? __kasan_check_write+0x14/0x20 [ 292.829448][ T2808] ? _copy_from_iter+0x3fb/0xd60 [ 292.834450][ T2808] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 292.840527][ T2808] cgroup_file_write+0x28e/0x590 [ 292.845529][ T2808] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.850615][ T2808] ? mutex_trylock+0x180/0x180 [ 292.855694][ T2808] ? __kasan_check_write+0x14/0x20 [ 292.860804][ T2808] kernfs_fop_write_iter+0x2d0/0x410 [ 292.866327][ T2808] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.871588][ T2808] vfs_write+0xc4a/0xf80 [ 292.875908][ T2808] ? kernel_write+0x420/0x420 [ 292.881012][ T2808] ? mutex_lock+0xb2/0x1e0 [ 292.885491][ T2808] ? mutex_trylock+0x180/0x180 [ 292.890233][ T2808] ? __fdget_pos+0x26d/0x310 [ 292.895581][ T2808] ? ksys_write+0x77/0x2c0 [ 292.899974][ T2808] ksys_write+0x198/0x2c0 [ 292.904644][ T2808] ? __ia32_sys_read+0x90/0x90 [ 292.909494][ T2808] ? debug_smp_processor_id+0x17/0x20 [ 292.915306][ T2808] __x64_sys_write+0x7b/0x90 [ 292.919909][ T2808] do_syscall_64+0x34/0x70 [ 292.924313][ T2808] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 292.930208][ T2808] RIP: 0033:0x7f85191c4049 [ 292.935046][ T2808] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 292.955276][ T2808] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 292.963878][ T2808] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 292.972089][ T2808] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 292.980136][ T2808] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.988417][ T2808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 292.996457][ T2808] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 293.015983][ T2811] FAULT_INJECTION: forcing a failure. [ 293.015983][ T2811] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.031270][ T2819] FAULT_INJECTION: forcing a failure. [ 293.031270][ T2819] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.033232][ T2818] FAULT_INJECTION: forcing a failure. [ 293.033232][ T2818] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.046039][ T2819] CPU: 0 PID: 2819 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 293.069051][ T2819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 293.079802][ T2819] Call Trace: [ 293.083171][ T2819] dump_stack_lvl+0x1e2/0x24b [ 293.088150][ T2819] ? bfq_pos_tree_add_move+0x43e/0x43e [ 293.093880][ T2819] ? vsnprintf+0x1fa/0x1cd0 [ 293.098905][ T2819] dump_stack+0x15/0x17 [ 293.103233][ T2819] should_fail+0x3c0/0x510 [ 293.108086][ T2819] should_fail_usercopy+0x1a/0x20 [ 293.109677][ T2823] FAULT_INJECTION: forcing a failure. [ 293.109677][ T2823] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.113180][ T2819] _copy_from_user+0x20/0xd0 [ 293.113191][ T2819] kstrtouint_from_user+0xd7/0x2b0 [ 293.113207][ T2819] ? kstrtol_from_user+0x310/0x310 [ 293.141734][ T2819] ? snprintf+0xd6/0x120 [ 293.146059][ T2819] ? avc_policy_seqno+0x1b/0x70 [ 293.150908][ T2819] ? selinux_file_permission+0x2a9/0x520 [ 293.156713][ T2819] proc_fail_nth_write+0xa5/0x290 [ 293.161724][ T2819] ? security_file_permission+0x9d/0xc0 [ 293.167273][ T2819] ? proc_fail_nth_read+0x220/0x220 [ 293.172472][ T2819] ? security_file_permission+0xa8/0xc0 [ 293.178010][ T2819] ? rw_verify_area+0x1c2/0x360 [ 293.182868][ T2819] ? proc_fail_nth_read+0x220/0x220 [ 293.188152][ T2819] vfs_write+0x39b/0xf80 [ 293.192422][ T2819] ? kernel_write+0x420/0x420 [ 293.197098][ T2819] ? __kasan_check_write+0x14/0x20 [ 293.202835][ T2819] ? mutex_lock+0xb2/0x1e0 [ 293.207368][ T2819] ? mutex_trylock+0x180/0x180 [ 293.212845][ T2819] ? __fdget_pos+0x26d/0x310 [ 293.217439][ T2819] ? ksys_write+0x77/0x2c0 [ 293.221857][ T2819] ksys_write+0x198/0x2c0 [ 293.226188][ T2819] ? __ia32_sys_read+0x90/0x90 [ 293.230950][ T2819] ? debug_smp_processor_id+0x17/0x20 [ 293.236405][ T2819] __x64_sys_write+0x7b/0x90 [ 293.241118][ T2819] do_syscall_64+0x34/0x70 [ 293.245645][ T2819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 293.252069][ T2819] RIP: 0033:0x7f022ab05b5f [ 293.256665][ T2819] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 293.277248][ T2819] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 293.285650][ T2819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 293.293800][ T2819] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 293.301765][ T2819] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 293.309723][ T2819] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 293.317690][ T2819] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 293.325774][ T2823] CPU: 1 PID: 2823 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 293.337591][ T2823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 293.348031][ T2823] Call Trace: [ 293.351323][ T2823] dump_stack_lvl+0x1e2/0x24b [ 293.355997][ T2823] ? bfq_pos_tree_add_move+0x43e/0x43e [ 293.361632][ T2823] ? vsnprintf+0x1fa/0x1cd0 [ 293.366246][ T2823] dump_stack+0x15/0x17 [ 293.370400][ T2823] should_fail+0x3c0/0x510 [ 293.375288][ T2823] should_fail_usercopy+0x1a/0x20 [ 293.377700][ T2825] FAULT_INJECTION: forcing a failure. [ 293.377700][ T2825] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.380600][ T2823] _copy_from_user+0x20/0xd0 [ 293.380611][ T2823] kstrtouint_from_user+0xd7/0x2b0 [ 293.380629][ T2823] ? kstrtol_from_user+0x310/0x310 [ 293.394869][ T2826] FAULT_INJECTION: forcing a failure. [ 293.394869][ T2826] name failslab, interval 1, probability 0, space 0, times 0 [ 293.398984][ T2823] ? snprintf+0xd6/0x120 [ 293.398999][ T2823] ? avc_policy_seqno+0x1b/0x70 [ 293.399009][ T2823] ? selinux_file_permission+0x2a9/0x520 [ 293.399028][ T2823] proc_fail_nth_write+0xa5/0x290 [ 293.444979][ T2823] ? security_file_permission+0x9d/0xc0 [ 293.450634][ T2823] ? proc_fail_nth_read+0x220/0x220 [ 293.455838][ T2823] ? security_file_permission+0xa8/0xc0 [ 293.461639][ T2823] ? rw_verify_area+0x1c2/0x360 [ 293.466661][ T2823] ? proc_fail_nth_read+0x220/0x220 [ 293.471877][ T2823] vfs_write+0x39b/0xf80 [ 293.476498][ T2823] ? kernel_write+0x420/0x420 [ 293.481210][ T2823] ? __kasan_check_write+0x14/0x20 [ 293.486737][ T2823] ? mutex_lock+0xb2/0x1e0 [ 293.491310][ T2823] ? mutex_trylock+0x180/0x180 [ 293.496998][ T2823] ? __fdget_pos+0x26d/0x310 [ 293.502120][ T2823] ? ksys_write+0x77/0x2c0 [ 293.506629][ T2823] ksys_write+0x198/0x2c0 [ 293.511262][ T2823] ? __ia32_sys_read+0x90/0x90 [ 293.516028][ T2823] ? debug_smp_processor_id+0x17/0x20 [ 293.521386][ T2823] __x64_sys_write+0x7b/0x90 [ 293.525967][ T2823] do_syscall_64+0x34/0x70 [ 293.530382][ T2823] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 293.536491][ T2823] RIP: 0033:0x7f7d1c31ab5f [ 293.540898][ T2823] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 293.561066][ T2823] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 293.570114][ T2823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 293.578937][ T2823] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 293.587430][ T2823] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 293.595912][ T2823] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 293.604249][ T2823] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 293.612907][ T2825] CPU: 0 PID: 2825 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 293.623415][ T2825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 293.633635][ T2825] Call Trace: [ 293.637002][ T2825] dump_stack_lvl+0x1e2/0x24b [ 293.641676][ T2825] ? bfq_pos_tree_add_move+0x43e/0x43e [ 293.647119][ T2825] ? vsnprintf+0x1fa/0x1cd0 [ 293.651600][ T2825] dump_stack+0x15/0x17 [ 293.655736][ T2825] should_fail+0x3c0/0x510 [ 293.660227][ T2825] should_fail_usercopy+0x1a/0x20 [ 293.665234][ T2825] _copy_from_user+0x20/0xd0 [ 293.669902][ T2825] kstrtouint_from_user+0xd7/0x2b0 [ 293.675360][ T2825] ? kstrtol_from_user+0x310/0x310 [ 293.680635][ T2825] ? snprintf+0xd6/0x120 [ 293.684894][ T2825] ? avc_policy_seqno+0x1b/0x70 [ 293.689725][ T2825] ? selinux_file_permission+0x2a9/0x520 [ 293.695422][ T2825] proc_fail_nth_write+0xa5/0x290 [ 293.700436][ T2825] ? security_file_permission+0x9d/0xc0 [ 293.706054][ T2825] ? proc_fail_nth_read+0x220/0x220 [ 293.711235][ T2825] ? security_file_permission+0xa8/0xc0 [ 293.717021][ T2825] ? rw_verify_area+0x1c2/0x360 [ 293.721939][ T2825] ? proc_fail_nth_read+0x220/0x220 [ 293.727290][ T2825] vfs_write+0x39b/0xf80 [ 293.731537][ T2825] ? kernel_write+0x420/0x420 [ 293.736300][ T2825] ? __kasan_check_write+0x14/0x20 [ 293.741493][ T2825] ? mutex_lock+0xb2/0x1e0 [ 293.745908][ T2825] ? mutex_trylock+0x180/0x180 [ 293.750664][ T2825] ? __fdget_pos+0x26d/0x310 [ 293.755238][ T2825] ? ksys_write+0x77/0x2c0 [ 293.759996][ T2825] ksys_write+0x198/0x2c0 [ 293.764304][ T2825] ? kvm_sched_clock_read+0x18/0x40 [ 293.769493][ T2825] ? sched_clock+0x3a/0x40 [ 293.774067][ T2825] ? __ia32_sys_read+0x90/0x90 [ 293.778902][ T2825] ? debug_smp_processor_id+0x17/0x20 [ 293.784261][ T2825] __x64_sys_write+0x7b/0x90 [ 293.788926][ T2825] do_syscall_64+0x34/0x70 [ 293.793422][ T2825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 293.799554][ T2825] RIP: 0033:0x7f869ba6eb5f [ 293.803956][ T2825] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 293.823718][ T2825] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 293.832199][ T2825] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 293.840337][ T2825] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 293.848435][ T2825] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 293.856830][ T2825] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 293.865310][ T2825] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 293.874081][ T2826] CPU: 1 PID: 2826 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 293.885215][ T2826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 293.895430][ T2826] Call Trace: [ 293.898914][ T2826] dump_stack_lvl+0x1e2/0x24b [ 293.904006][ T2826] ? panic+0x7d7/0x7d7 [ 293.908053][ T2826] ? bfq_pos_tree_add_move+0x43e/0x43e [ 293.913505][ T2826] ? find_next_bit+0xd6/0x120 [ 293.918163][ T2826] ? cpumask_next+0x11/0x30 [ 293.922868][ T2826] dump_stack+0x15/0x17 [ 293.927194][ T2826] should_fail+0x3c0/0x510 [ 293.931878][ T2826] ? percpu_ref_init+0xd0/0x340 [ 293.936995][ T2826] __should_failslab+0x9f/0xe0 [ 293.943309][ T2826] should_failslab+0x9/0x20 [ 293.947809][ T2826] kmem_cache_alloc_trace+0x3a/0x330 [ 293.953160][ T2826] percpu_ref_init+0xd0/0x340 [ 293.957919][ T2826] ? cgroup_setup_root+0xea0/0xea0 [ 293.963207][ T2826] cgroup_apply_control_enable+0x3a2/0x12f0 [ 293.969172][ T2826] ? cgroup_reconfigure+0xe0/0xe0 [ 293.974572][ T2826] cgroup_apply_control+0x8e/0x7e0 [ 293.979769][ T2826] ? css_next_child+0x160/0x160 [ 293.984606][ T2826] ? io_schedule+0x120/0x120 [ 293.989288][ T2826] ? kernfs_fop_write_iter+0x15e/0x410 [ 293.994837][ T2826] ? __kasan_check_write+0x14/0x20 [ 293.999949][ T2826] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 294.005241][ T2826] cgroup_subtree_control_write+0xd19/0x1310 [ 294.011212][ T2826] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.017371][ T2826] ? __kasan_check_write+0x14/0x20 [ 294.022672][ T2826] ? _copy_from_iter+0x3fb/0xd60 [ 294.027606][ T2826] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.033762][ T2826] cgroup_file_write+0x28e/0x590 [ 294.038787][ T2826] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.043884][ T2826] ? mutex_trylock+0x180/0x180 [ 294.048648][ T2826] ? __kasan_check_write+0x14/0x20 [ 294.054010][ T2826] kernfs_fop_write_iter+0x2d0/0x410 [ 294.059369][ T2826] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.064468][ T2826] vfs_write+0xc4a/0xf80 [ 294.068691][ T2826] ? kernel_write+0x420/0x420 [ 294.073413][ T2826] ? mutex_lock+0xb2/0x1e0 [ 294.077815][ T2826] ? mutex_trylock+0x180/0x180 [ 294.082675][ T2826] ? __fdget_pos+0x26d/0x310 [ 294.087269][ T2826] ? ksys_write+0x77/0x2c0 [ 294.091771][ T2826] ksys_write+0x198/0x2c0 [ 294.096082][ T2826] ? __ia32_sys_read+0x90/0x90 [ 294.100825][ T2826] ? debug_smp_processor_id+0x17/0x20 [ 294.106350][ T2826] __x64_sys_write+0x7b/0x90 [ 294.111023][ T2826] do_syscall_64+0x34/0x70 [ 294.115424][ T2826] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 294.121683][ T2826] RIP: 0033:0x7f85191c4049 [ 294.126270][ T2826] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 294.146222][ T2826] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 294.155937][ T2826] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 294.164189][ T2826] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 294.172418][ T2826] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 294.180631][ T2826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 294.188766][ T2826] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 294.196762][ T2818] CPU: 0 PID: 2818 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 294.207536][ T2818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 294.217666][ T2818] Call Trace: [ 294.220979][ T2818] dump_stack_lvl+0x1e2/0x24b [ 294.225824][ T2818] ? bfq_pos_tree_add_move+0x43e/0x43e [ 294.231620][ T2818] ? vsnprintf+0x1fa/0x1cd0 [ 294.236276][ T2818] dump_stack+0x15/0x17 [ 294.240583][ T2818] should_fail+0x3c0/0x510 [ 294.245083][ T2818] should_fail_usercopy+0x1a/0x20 [ 294.250083][ T2818] _copy_from_user+0x20/0xd0 [ 294.254647][ T2818] kstrtouint_from_user+0xd7/0x2b0 [ 294.259737][ T2818] ? kstrtol_from_user+0x310/0x310 [ 294.264940][ T2818] ? snprintf+0xd6/0x120 [ 294.269184][ T2818] ? avc_policy_seqno+0x1b/0x70 [ 294.274217][ T2818] ? selinux_file_permission+0x2a9/0x520 [ 294.279940][ T2818] proc_fail_nth_write+0xa5/0x290 [ 294.284957][ T2818] ? security_file_permission+0x9d/0xc0 [ 294.291389][ T2818] ? proc_fail_nth_read+0x220/0x220 [ 294.296573][ T2818] ? security_file_permission+0xa8/0xc0 [ 294.302097][ T2818] ? rw_verify_area+0x1c2/0x360 [ 294.306920][ T2818] ? proc_fail_nth_read+0x220/0x220 [ 294.312092][ T2818] vfs_write+0x39b/0xf80 [ 294.316329][ T2818] ? kernel_write+0x420/0x420 [ 294.321170][ T2818] ? __kasan_check_write+0x14/0x20 [ 294.326258][ T2818] ? mutex_lock+0xb2/0x1e0 [ 294.330736][ T2818] ? mutex_trylock+0x180/0x180 [ 294.335487][ T2818] ? __fdget_pos+0x26d/0x310 [ 294.340076][ T2818] ? ksys_write+0x77/0x2c0 [ 294.344598][ T2818] ksys_write+0x198/0x2c0 [ 294.349022][ T2818] ? __ia32_sys_read+0x90/0x90 [ 294.353764][ T2818] ? debug_smp_processor_id+0x17/0x20 [ 294.359388][ T2818] __x64_sys_write+0x7b/0x90 [ 294.363968][ T2818] do_syscall_64+0x34/0x70 [ 294.368381][ T2818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 294.374335][ T2818] RIP: 0033:0x7faa22393b5f [ 294.379091][ T2818] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 294.399468][ T2818] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 294.408247][ T2818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 294.417344][ T2818] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 294.425662][ T2818] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 294.433972][ T2818] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 294.442212][ T2818] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 294.451633][ T2811] CPU: 0 PID: 2811 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 294.462134][ T2811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 294.472182][ T2811] Call Trace: [ 294.475717][ T2811] dump_stack_lvl+0x1e2/0x24b [ 294.480460][ T2811] ? bfq_pos_tree_add_move+0x43e/0x43e [ 294.486393][ T2811] ? vsnprintf+0x1fa/0x1cd0 [ 294.491236][ T2811] dump_stack+0x15/0x17 [ 294.495462][ T2811] should_fail+0x3c0/0x510 [ 294.499941][ T2811] should_fail_usercopy+0x1a/0x20 [ 294.504947][ T2811] _copy_from_user+0x20/0xd0 [ 294.509534][ T2811] kstrtouint_from_user+0xd7/0x2b0 [ 294.514890][ T2811] ? kstrtol_from_user+0x310/0x310 [ 294.520159][ T2811] ? snprintf+0xd6/0x120 [ 294.524382][ T2811] ? avc_policy_seqno+0x1b/0x70 [ 294.529206][ T2811] ? selinux_file_permission+0x2a9/0x520 [ 294.535029][ T2811] proc_fail_nth_write+0xa5/0x290 [ 294.540502][ T2811] ? security_file_permission+0x9d/0xc0 [ 294.546244][ T2811] ? proc_fail_nth_read+0x220/0x220 [ 294.551565][ T2811] ? security_file_permission+0xa8/0xc0 [ 294.557542][ T2811] ? rw_verify_area+0x1c2/0x360 [ 294.562909][ T2811] ? proc_fail_nth_read+0x220/0x220 [ 294.568288][ T2811] vfs_write+0x39b/0xf80 [ 294.572601][ T2811] ? kernel_write+0x420/0x420 [ 294.577272][ T2811] ? __kasan_check_write+0x14/0x20 [ 294.582547][ T2811] ? mutex_lock+0xb2/0x1e0 [ 294.586966][ T2811] ? mutex_trylock+0x180/0x180 [ 294.591796][ T2811] ? __fdget_pos+0x26d/0x310 [ 294.596389][ T2811] ? ksys_write+0x77/0x2c0 [ 294.600781][ T2811] ksys_write+0x198/0x2c0 [ 294.605104][ T2811] ? __kasan_check_write+0x14/0x20 [ 294.610203][ T2811] ? __ia32_sys_read+0x90/0x90 [ 294.615310][ T2811] ? debug_smp_processor_id+0x17/0x20 [ 294.620658][ T2811] __x64_sys_write+0x7b/0x90 [ 294.625241][ T2811] do_syscall_64+0x34/0x70 [ 294.629716][ T2811] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 294.635672][ T2811] RIP: 0033:0x7f6ebe0d0b5f [ 294.640847][ T2811] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 294.660624][ T2811] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 294.669330][ T2811] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 294.677392][ T2811] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 294.685620][ T2811] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 294.693571][ T2811] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 294.701622][ T2811] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 294.721044][ T2831] FAULT_INJECTION: forcing a failure. [ 294.721044][ T2831] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.724379][ T2833] FAULT_INJECTION: forcing a failure. [ 294.724379][ T2833] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.739818][ T2831] CPU: 1 PID: 2831 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 294.759022][ T2831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 294.769512][ T2831] Call Trace: [ 294.772876][ T2831] dump_stack_lvl+0x1e2/0x24b [ 294.777757][ T2831] ? bfq_pos_tree_add_move+0x43e/0x43e [ 294.783311][ T2831] ? vsnprintf+0x1fa/0x1cd0 [ 294.787975][ T2831] dump_stack+0x15/0x17 [ 294.792114][ T2831] should_fail+0x3c0/0x510 [ 294.797541][ T2831] should_fail_usercopy+0x1a/0x20 [ 294.802706][ T2831] _copy_from_user+0x20/0xd0 [ 294.807396][ T2831] kstrtouint_from_user+0xd7/0x2b0 [ 294.812856][ T2831] ? kstrtol_from_user+0x310/0x310 [ 294.818614][ T2831] ? snprintf+0xd6/0x120 [ 294.823031][ T2831] ? avc_policy_seqno+0x1b/0x70 [ 294.827959][ T2831] ? selinux_file_permission+0x2a9/0x520 [ 294.833768][ T2831] proc_fail_nth_write+0xa5/0x290 [ 294.838866][ T2831] ? security_file_permission+0x9d/0xc0 [ 294.844479][ T2831] ? proc_fail_nth_read+0x220/0x220 [ 294.850132][ T2831] ? security_file_permission+0xa8/0xc0 [ 294.857003][ T2831] ? rw_verify_area+0x1c2/0x360 [ 294.862019][ T2831] ? proc_fail_nth_read+0x220/0x220 [ 294.867298][ T2831] vfs_write+0x39b/0xf80 [ 294.871582][ T2831] ? kernel_write+0x420/0x420 [ 294.876343][ T2831] ? __kasan_check_write+0x14/0x20 [ 294.881717][ T2831] ? mutex_lock+0xb2/0x1e0 [ 294.886147][ T2831] ? mutex_trylock+0x180/0x180 [ 294.890905][ T2831] ? __fdget_pos+0x26d/0x310 [ 294.895773][ T2831] ? ksys_write+0x77/0x2c0 [ 294.900380][ T2831] ksys_write+0x198/0x2c0 [ 294.904788][ T2831] ? __kasan_check_write+0x14/0x20 [ 294.910454][ T2831] ? __ia32_sys_read+0x90/0x90 [ 294.915290][ T2831] ? debug_smp_processor_id+0x17/0x20 2022/08/30 17:00:35 executed programs: 1096 [ 294.921008][ T2831] __x64_sys_write+0x7b/0x90 [ 294.925585][ T2831] do_syscall_64+0x34/0x70 [ 294.930010][ T2831] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 294.936192][ T2831] RIP: 0033:0x7f869ba6eb5f [ 294.940608][ T2831] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 294.960524][ T2831] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 294.969408][ T2831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 294.978219][ T2831] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 294.986177][ T2831] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 294.992745][ T2835] FAULT_INJECTION: forcing a failure. [ 294.992745][ T2835] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.994155][ T2831] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 294.994162][ T2831] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 295.015241][ T2833] CPU: 1 PID: 2833 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 295.023155][ T2837] FAULT_INJECTION: forcing a failure. [ 295.023155][ T2837] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.024575][ T2833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 295.039918][ T2840] FAULT_INJECTION: forcing a failure. [ 295.039918][ T2840] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.048043][ T2833] Call Trace: [ 295.048061][ T2833] dump_stack_lvl+0x1e2/0x24b [ 295.048072][ T2833] ? bfq_pos_tree_add_move+0x43e/0x43e [ 295.048081][ T2833] ? vsnprintf+0x1fa/0x1cd0 [ 295.048091][ T2833] dump_stack+0x15/0x17 [ 295.048108][ T2833] should_fail+0x3c0/0x510 [ 295.060404][ T2841] FAULT_INJECTION: forcing a failure. [ 295.060404][ T2841] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.072475][ T2833] should_fail_usercopy+0x1a/0x20 [ 295.072485][ T2833] _copy_from_user+0x20/0xd0 [ 295.072495][ T2833] kstrtouint_from_user+0xd7/0x2b0 [ 295.072505][ T2833] ? kstrtol_from_user+0x310/0x310 [ 295.072524][ T2833] ? snprintf+0xd6/0x120 [ 295.138203][ T2833] ? avc_policy_seqno+0x1b/0x70 [ 295.143425][ T2833] ? selinux_file_permission+0x2a9/0x520 [ 295.149051][ T2833] proc_fail_nth_write+0xa5/0x290 [ 295.154066][ T2833] ? security_file_permission+0x9d/0xc0 [ 295.159877][ T2833] ? proc_fail_nth_read+0x220/0x220 [ 295.165141][ T2833] ? security_file_permission+0xa8/0xc0 [ 295.170668][ T2833] ? rw_verify_area+0x1c2/0x360 [ 295.175763][ T2833] ? proc_fail_nth_read+0x220/0x220 [ 295.180945][ T2833] vfs_write+0x39b/0xf80 [ 295.185171][ T2833] ? kernel_write+0x420/0x420 [ 295.189828][ T2833] ? __kasan_check_write+0x14/0x20 [ 295.195022][ T2833] ? mutex_lock+0xb2/0x1e0 [ 295.199519][ T2833] ? mutex_trylock+0x180/0x180 [ 295.204272][ T2833] ? __fdget_pos+0x26d/0x310 [ 295.209016][ T2833] ? ksys_write+0x77/0x2c0 [ 295.213761][ T2833] ksys_write+0x198/0x2c0 [ 295.218526][ T2833] ? __ia32_sys_read+0x90/0x90 [ 295.223293][ T2833] ? debug_smp_processor_id+0x17/0x20 [ 295.228661][ T2833] __x64_sys_write+0x7b/0x90 [ 295.233243][ T2833] do_syscall_64+0x34/0x70 [ 295.237819][ T2833] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 295.243748][ T2833] RIP: 0033:0x7f7d1c31ab5f [ 295.248265][ T2833] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 295.268336][ T2833] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 295.277273][ T2833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 295.285351][ T2833] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 295.293402][ T2833] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 295.301357][ T2833] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 295.309399][ T2833] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 295.317461][ T2835] CPU: 0 PID: 2835 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 295.328050][ T2835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 295.338302][ T2835] Call Trace: [ 295.341600][ T2835] dump_stack_lvl+0x1e2/0x24b [ 295.346456][ T2835] ? bfq_pos_tree_add_move+0x43e/0x43e [ 295.351923][ T2835] ? vsnprintf+0x1fa/0x1cd0 [ 295.356508][ T2835] dump_stack+0x15/0x17 [ 295.360741][ T2835] should_fail+0x3c0/0x510 [ 295.365143][ T2835] should_fail_usercopy+0x1a/0x20 [ 295.370343][ T2835] _copy_from_user+0x20/0xd0 [ 295.375024][ T2835] kstrtouint_from_user+0xd7/0x2b0 [ 295.380118][ T2835] ? kstrtol_from_user+0x310/0x310 [ 295.385930][ T2835] ? snprintf+0xd6/0x120 [ 295.390263][ T2835] ? avc_policy_seqno+0x1b/0x70 [ 295.395382][ T2835] ? selinux_file_permission+0x2a9/0x520 [ 295.401255][ T2835] proc_fail_nth_write+0xa5/0x290 [ 295.406259][ T2835] ? security_file_permission+0x9d/0xc0 [ 295.412082][ T2835] ? proc_fail_nth_read+0x220/0x220 [ 295.417372][ T2835] ? security_file_permission+0xa8/0xc0 [ 295.423036][ T2835] ? rw_verify_area+0x1c2/0x360 [ 295.428664][ T2835] ? proc_fail_nth_read+0x220/0x220 [ 295.433948][ T2835] vfs_write+0x39b/0xf80 [ 295.438762][ T2835] ? kernel_write+0x420/0x420 [ 295.443422][ T2835] ? __kasan_check_write+0x14/0x20 [ 295.448957][ T2835] ? mutex_lock+0xb2/0x1e0 [ 295.453446][ T2835] ? mutex_trylock+0x180/0x180 [ 295.458571][ T2835] ? __fdget_pos+0x26d/0x310 [ 295.463406][ T2835] ? ksys_write+0x77/0x2c0 [ 295.468076][ T2835] ksys_write+0x198/0x2c0 [ 295.472997][ T2835] ? __ia32_sys_read+0x90/0x90 [ 295.477832][ T2835] ? debug_smp_processor_id+0x17/0x20 [ 295.483203][ T2835] __x64_sys_write+0x7b/0x90 [ 295.488137][ T2835] do_syscall_64+0x34/0x70 [ 295.492624][ T2835] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 295.499019][ T2835] RIP: 0033:0x7faa22393b5f [ 295.503603][ T2835] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 295.523805][ T2835] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 295.532774][ T2835] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 295.541540][ T2835] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 295.550001][ T2835] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 295.558462][ T2835] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 295.567036][ T2835] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 295.577265][ T2837] CPU: 1 PID: 2837 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 295.580366][ T2843] FAULT_INJECTION: forcing a failure. [ 295.580366][ T2843] name failslab, interval 1, probability 0, space 0, times 0 [ 295.587805][ T2837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 295.587810][ T2837] Call Trace: [ 295.587831][ T2837] dump_stack_lvl+0x1e2/0x24b [ 295.587842][ T2837] ? bfq_pos_tree_add_move+0x43e/0x43e [ 295.587850][ T2837] ? vsnprintf+0x1fa/0x1cd0 [ 295.587869][ T2837] dump_stack+0x15/0x17 [ 295.633950][ T2837] should_fail+0x3c0/0x510 [ 295.638357][ T2837] should_fail_usercopy+0x1a/0x20 [ 295.643558][ T2837] _copy_from_user+0x20/0xd0 [ 295.648153][ T2837] kstrtouint_from_user+0xd7/0x2b0 [ 295.653485][ T2837] ? kstrtol_from_user+0x310/0x310 [ 295.658678][ T2837] ? snprintf+0xd6/0x120 [ 295.662900][ T2837] ? avc_policy_seqno+0x1b/0x70 [ 295.667745][ T2837] ? selinux_file_permission+0x2a9/0x520 [ 295.673354][ T2837] proc_fail_nth_write+0xa5/0x290 [ 295.678647][ T2837] ? security_file_permission+0x9d/0xc0 [ 295.684677][ T2837] ? proc_fail_nth_read+0x220/0x220 [ 295.690877][ T2837] ? security_file_permission+0xa8/0xc0 [ 295.696654][ T2837] ? rw_verify_area+0x1c2/0x360 [ 295.702550][ T2837] ? proc_fail_nth_read+0x220/0x220 [ 295.708422][ T2837] vfs_write+0x39b/0xf80 [ 295.712652][ T2837] ? kernel_write+0x420/0x420 [ 295.717311][ T2837] ? __kasan_check_write+0x14/0x20 [ 295.722687][ T2837] ? mutex_lock+0xb2/0x1e0 [ 295.727082][ T2837] ? mutex_trylock+0x180/0x180 [ 295.731924][ T2837] ? __fdget_pos+0x26d/0x310 [ 295.736520][ T2837] ? ksys_write+0x77/0x2c0 [ 295.741025][ T2837] ksys_write+0x198/0x2c0 [ 295.745347][ T2837] ? __ia32_sys_read+0x90/0x90 [ 295.750321][ T2837] ? debug_smp_processor_id+0x17/0x20 [ 295.755827][ T2837] __x64_sys_write+0x7b/0x90 [ 295.760598][ T2837] do_syscall_64+0x34/0x70 [ 295.765041][ T2837] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 295.770932][ T2837] RIP: 0033:0x7f022ab05b5f [ 295.775340][ T2837] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 295.795217][ T2837] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 295.803623][ T2837] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 295.811679][ T2837] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 295.819728][ T2837] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 295.827945][ T2837] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 295.835902][ T2837] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 295.844063][ T2843] CPU: 0 PID: 2843 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 295.855018][ T2843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 295.865425][ T2843] Call Trace: [ 295.868703][ T2843] dump_stack_lvl+0x1e2/0x24b [ 295.873914][ T2843] ? panic+0x7d7/0x7d7 [ 295.878343][ T2843] ? bfq_pos_tree_add_move+0x43e/0x43e [ 295.883957][ T2843] ? find_next_bit+0xd6/0x120 [ 295.888816][ T2843] ? cpumask_next+0x11/0x30 [ 295.893313][ T2843] dump_stack+0x15/0x17 [ 295.897452][ T2843] should_fail+0x3c0/0x510 [ 295.902061][ T2843] ? percpu_ref_init+0xd0/0x340 [ 295.907090][ T2843] __should_failslab+0x9f/0xe0 [ 295.911843][ T2843] should_failslab+0x9/0x20 [ 295.917152][ T2843] kmem_cache_alloc_trace+0x3a/0x330 [ 295.922420][ T2843] percpu_ref_init+0xd0/0x340 [ 295.927430][ T2843] ? cgroup_setup_root+0xea0/0xea0 [ 295.932520][ T2843] cgroup_apply_control_enable+0x3a2/0x12f0 [ 295.938450][ T2843] ? cgroup_reconfigure+0xe0/0xe0 [ 295.943731][ T2843] cgroup_apply_control+0x8e/0x7e0 [ 295.949068][ T2843] ? css_next_child+0x160/0x160 [ 295.953994][ T2843] ? io_schedule+0x120/0x120 [ 295.958679][ T2843] ? kernfs_fop_write_iter+0x15e/0x410 [ 295.964231][ T2843] ? __kasan_check_write+0x14/0x20 [ 295.969323][ T2843] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 295.974601][ T2843] cgroup_subtree_control_write+0xd19/0x1310 [ 295.980757][ T2843] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 295.986842][ T2843] ? __kasan_check_write+0x14/0x20 [ 295.991948][ T2843] ? _copy_from_iter+0x3fb/0xd60 [ 295.996970][ T2843] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 296.003223][ T2843] cgroup_file_write+0x28e/0x590 [ 296.008249][ T2843] ? cgroup_seqfile_stop+0xc0/0xc0 [ 296.013473][ T2843] ? mutex_trylock+0x180/0x180 [ 296.018521][ T2843] ? __kasan_check_write+0x14/0x20 [ 296.023637][ T2843] kernfs_fop_write_iter+0x2d0/0x410 [ 296.028901][ T2843] ? cgroup_seqfile_stop+0xc0/0xc0 [ 296.034005][ T2843] vfs_write+0xc4a/0xf80 [ 296.038429][ T2843] ? kernel_write+0x420/0x420 [ 296.043393][ T2843] ? mutex_lock+0xb2/0x1e0 [ 296.047879][ T2843] ? mutex_trylock+0x180/0x180 [ 296.052618][ T2843] ? __fdget_pos+0x26d/0x310 [ 296.057222][ T2843] ? ksys_write+0x77/0x2c0 [ 296.061638][ T2843] ksys_write+0x198/0x2c0 [ 296.066118][ T2843] ? __ia32_sys_read+0x90/0x90 [ 296.070864][ T2843] ? debug_smp_processor_id+0x17/0x20 [ 296.076885][ T2843] __x64_sys_write+0x7b/0x90 [ 296.081482][ T2843] do_syscall_64+0x34/0x70 [ 296.085892][ T2843] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 296.091855][ T2843] RIP: 0033:0x7f85191c4049 [ 296.096336][ T2843] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 296.116329][ T2843] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 296.125095][ T2843] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 296.133242][ T2843] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 296.141628][ T2843] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 296.149934][ T2843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 296.157902][ T2843] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 296.165974][ T2841] CPU: 1 PID: 2841 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 296.176121][ T2846] FAULT_INJECTION: forcing a failure. [ 296.176121][ T2846] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 296.176921][ T2841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 296.176926][ T2841] Call Trace: [ 296.176943][ T2841] dump_stack_lvl+0x1e2/0x24b [ 296.176960][ T2841] ? bfq_pos_tree_add_move+0x43e/0x43e [ 296.213418][ T2841] ? vsnprintf+0x1fa/0x1cd0 [ 296.217903][ T2841] dump_stack+0x15/0x17 [ 296.222059][ T2841] should_fail+0x3c0/0x510 [ 296.226460][ T2841] should_fail_usercopy+0x1a/0x20 [ 296.231469][ T2841] _copy_from_user+0x20/0xd0 [ 296.236165][ T2841] kstrtouint_from_user+0xd7/0x2b0 [ 296.241368][ T2841] ? kstrtol_from_user+0x310/0x310 [ 296.247252][ T2841] ? snprintf+0xd6/0x120 [ 296.251602][ T2841] ? avc_policy_seqno+0x1b/0x70 [ 296.256561][ T2841] ? selinux_file_permission+0x2a9/0x520 [ 296.262203][ T2841] proc_fail_nth_write+0xa5/0x290 [ 296.267229][ T2841] ? security_file_permission+0x9d/0xc0 [ 296.272845][ T2841] ? proc_fail_nth_read+0x220/0x220 [ 296.278043][ T2841] ? security_file_permission+0xa8/0xc0 [ 296.283588][ T2841] ? rw_verify_area+0x1c2/0x360 [ 296.288512][ T2841] ? proc_fail_nth_read+0x220/0x220 [ 296.293694][ T2841] vfs_write+0x39b/0xf80 [ 296.298100][ T2841] ? kernel_write+0x420/0x420 [ 296.303065][ T2841] ? __kasan_check_write+0x14/0x20 [ 296.308177][ T2841] ? mutex_lock+0xb2/0x1e0 [ 296.312703][ T2841] ? mutex_trylock+0x180/0x180 [ 296.317489][ T2841] ? __fdget_pos+0x26d/0x310 [ 296.322172][ T2841] ? ksys_write+0x77/0x2c0 [ 296.326668][ T2841] ksys_write+0x198/0x2c0 [ 296.330982][ T2841] ? __ia32_sys_read+0x90/0x90 [ 296.335947][ T2841] ? debug_smp_processor_id+0x17/0x20 [ 296.341301][ T2841] __x64_sys_write+0x7b/0x90 [ 296.346048][ T2841] do_syscall_64+0x34/0x70 [ 296.350446][ T2841] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 296.356331][ T2841] RIP: 0033:0x7f6ebe0d0b5f [ 296.360817][ T2841] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 296.380817][ T2841] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 296.389538][ T2841] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 296.397502][ T2841] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 296.405900][ T2841] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 296.413960][ T2841] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 296.421955][ T2841] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 296.430147][ T2846] CPU: 0 PID: 2846 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 296.440903][ T2846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 296.451759][ T2846] Call Trace: [ 296.455321][ T2846] dump_stack_lvl+0x1e2/0x24b [ 296.460086][ T2846] ? bfq_pos_tree_add_move+0x43e/0x43e [ 296.465615][ T2846] ? vsnprintf+0x1fa/0x1cd0 [ 296.470122][ T2846] dump_stack+0x15/0x17 [ 296.475631][ T2846] should_fail+0x3c0/0x510 [ 296.480116][ T2846] should_fail_usercopy+0x1a/0x20 [ 296.485143][ T2846] _copy_from_user+0x20/0xd0 [ 296.491302][ T2846] kstrtouint_from_user+0xd7/0x2b0 [ 296.496396][ T2846] ? kstrtol_from_user+0x310/0x310 [ 296.501753][ T2846] ? snprintf+0xd6/0x120 [ 296.506073][ T2846] ? avc_policy_seqno+0x1b/0x70 [ 296.511109][ T2846] ? selinux_file_permission+0x2a9/0x520 [ 296.516823][ T2846] proc_fail_nth_write+0xa5/0x290 [ 296.521837][ T2846] ? security_file_permission+0x9d/0xc0 [ 296.527365][ T2846] ? proc_fail_nth_read+0x220/0x220 [ 296.532632][ T2846] ? security_file_permission+0xa8/0xc0 [ 296.535029][ T2850] FAULT_INJECTION: forcing a failure. [ 296.535029][ T2850] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 296.538265][ T2846] ? rw_verify_area+0x1c2/0x360 [ 296.538282][ T2846] ? proc_fail_nth_read+0x220/0x220 [ 296.562985][ T2846] vfs_write+0x39b/0xf80 [ 296.567314][ T2846] ? kernel_write+0x420/0x420 [ 296.571976][ T2846] ? __kasan_check_write+0x14/0x20 [ 296.577118][ T2846] ? mutex_lock+0xb2/0x1e0 [ 296.581637][ T2846] ? mutex_trylock+0x180/0x180 [ 296.586488][ T2846] ? __fdget_pos+0x26d/0x310 [ 296.591164][ T2846] ? ksys_write+0x77/0x2c0 [ 296.595658][ T2846] ksys_write+0x198/0x2c0 [ 296.599975][ T2846] ? __kasan_check_write+0x14/0x20 [ 296.605165][ T2846] ? __ia32_sys_read+0x90/0x90 [ 296.609914][ T2846] ? debug_smp_processor_id+0x17/0x20 [ 296.615356][ T2846] __x64_sys_write+0x7b/0x90 [ 296.619926][ T2846] do_syscall_64+0x34/0x70 [ 296.624324][ T2846] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 296.630302][ T2846] RIP: 0033:0x7f7d1c31ab5f [ 296.634963][ T2846] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 296.654874][ T2846] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 296.663362][ T2846] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 296.671582][ T2846] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 296.679625][ T2846] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 296.687701][ T2846] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 296.695662][ T2846] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 296.704145][ T2840] CPU: 1 PID: 2840 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 296.708580][ T2851] FAULT_INJECTION: forcing a failure. [ 296.708580][ T2851] name failslab, interval 1, probability 0, space 0, times 0 [ 296.714561][ T2840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 296.737878][ T2840] Call Trace: [ 296.741167][ T2840] dump_stack_lvl+0x1e2/0x24b [ 296.745936][ T2840] ? bfq_pos_tree_add_move+0x43e/0x43e [ 296.751497][ T2840] ? vsnprintf+0x1fa/0x1cd0 [ 296.756083][ T2840] dump_stack+0x15/0x17 [ 296.760220][ T2840] should_fail+0x3c0/0x510 [ 296.764619][ T2840] should_fail_usercopy+0x1a/0x20 [ 296.769805][ T2840] _copy_from_user+0x20/0xd0 [ 296.774554][ T2840] kstrtouint_from_user+0xd7/0x2b0 [ 296.779671][ T2840] ? kstrtol_from_user+0x310/0x310 [ 296.784939][ T2840] ? snprintf+0xd6/0x120 [ 296.789395][ T2840] ? avc_policy_seqno+0x1b/0x70 [ 296.794426][ T2840] ? selinux_file_permission+0x2a9/0x520 [ 296.800304][ T2840] proc_fail_nth_write+0xa5/0x290 [ 296.805456][ T2840] ? security_file_permission+0x9d/0xc0 [ 296.811093][ T2840] ? proc_fail_nth_read+0x220/0x220 [ 296.816290][ T2840] ? security_file_permission+0xa8/0xc0 [ 296.821932][ T2840] ? rw_verify_area+0x1c2/0x360 [ 296.826875][ T2840] ? proc_fail_nth_read+0x220/0x220 [ 296.832058][ T2840] vfs_write+0x39b/0xf80 [ 296.836430][ T2840] ? kernel_write+0x420/0x420 [ 296.841088][ T2840] ? __kasan_check_write+0x14/0x20 [ 296.846183][ T2840] ? mutex_lock+0xb2/0x1e0 [ 296.850627][ T2840] ? mutex_trylock+0x180/0x180 [ 296.855565][ T2840] ? __fdget_pos+0x26d/0x310 [ 296.860227][ T2840] ? ksys_write+0x77/0x2c0 [ 296.864804][ T2840] ksys_write+0x198/0x2c0 [ 296.869115][ T2840] ? __ia32_sys_read+0x90/0x90 [ 296.873966][ T2840] ? debug_smp_processor_id+0x17/0x20 [ 296.879414][ T2840] __x64_sys_write+0x7b/0x90 [ 296.884166][ T2840] do_syscall_64+0x34/0x70 [ 296.888578][ T2840] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 296.894465][ T2840] RIP: 0033:0x7f869ba6eb5f [ 296.898893][ T2840] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 296.919140][ T2840] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 296.927644][ T2840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 296.935602][ T2840] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 296.943560][ T2840] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 296.951514][ T2840] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 296.959473][ T2840] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 296.967459][ T2851] CPU: 0 PID: 2851 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 296.977798][ T2851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 296.987834][ T2851] Call Trace: [ 296.991145][ T2851] dump_stack_lvl+0x1e2/0x24b [ 296.995812][ T2851] ? panic+0x7d7/0x7d7 [ 296.999899][ T2851] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.005636][ T2851] ? find_next_bit+0xd6/0x120 [ 297.010308][ T2851] ? cpumask_next+0x11/0x30 [ 297.014928][ T2851] dump_stack+0x15/0x17 [ 297.019108][ T2851] should_fail+0x3c0/0x510 [ 297.023591][ T2851] ? percpu_ref_init+0xd0/0x340 [ 297.028428][ T2851] __should_failslab+0x9f/0xe0 [ 297.033170][ T2851] should_failslab+0x9/0x20 [ 297.038058][ T2851] kmem_cache_alloc_trace+0x3a/0x330 [ 297.043353][ T2851] percpu_ref_init+0xd0/0x340 [ 297.048104][ T2851] ? cgroup_setup_root+0xea0/0xea0 [ 297.053411][ T2851] cgroup_apply_control_enable+0x3a2/0x12f0 [ 297.059305][ T2851] ? cgroup_reconfigure+0xe0/0xe0 [ 297.064490][ T2851] cgroup_apply_control+0x8e/0x7e0 [ 297.069991][ T2851] ? css_next_child+0x160/0x160 [ 297.074940][ T2851] ? io_schedule+0x120/0x120 [ 297.079830][ T2851] ? kernfs_fop_write_iter+0x15e/0x410 [ 297.085455][ T2851] ? __kasan_check_write+0x14/0x20 [ 297.090645][ T2851] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 297.096000][ T2851] cgroup_subtree_control_write+0xd19/0x1310 [ 297.102054][ T2851] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 297.108041][ T2851] ? __kasan_check_write+0x14/0x20 [ 297.113876][ T2851] ? _copy_from_iter+0x3fb/0xd60 [ 297.119007][ T2851] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 297.125947][ T2851] cgroup_file_write+0x28e/0x590 [ 297.131162][ T2851] ? cgroup_seqfile_stop+0xc0/0xc0 [ 297.136323][ T2851] ? mutex_trylock+0x180/0x180 [ 297.141402][ T2851] ? __kasan_check_write+0x14/0x20 [ 297.146606][ T2851] kernfs_fop_write_iter+0x2d0/0x410 [ 297.152312][ T2851] ? cgroup_seqfile_stop+0xc0/0xc0 [ 297.157509][ T2851] vfs_write+0xc4a/0xf80 [ 297.161905][ T2851] ? kernel_write+0x420/0x420 [ 297.166821][ T2851] ? mutex_lock+0xb2/0x1e0 [ 297.171216][ T2851] ? mutex_trylock+0x180/0x180 [ 297.176133][ T2851] ? __fdget_pos+0x26d/0x310 [ 297.180992][ T2851] ? ksys_write+0x77/0x2c0 [ 297.185517][ T2851] ksys_write+0x198/0x2c0 [ 297.190437][ T2851] ? __ia32_sys_read+0x90/0x90 [ 297.195184][ T2851] ? debug_smp_processor_id+0x17/0x20 [ 297.201117][ T2851] __x64_sys_write+0x7b/0x90 [ 297.205699][ T2851] do_syscall_64+0x34/0x70 [ 297.210350][ T2851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 297.216575][ T2851] RIP: 0033:0x7f85191c4049 [ 297.221007][ T2851] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 297.241118][ T2851] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 297.250032][ T2851] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 297.258252][ T2851] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 297.266292][ T2851] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 297.274651][ T2851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 297.282705][ T2851] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 297.290924][ T2850] CPU: 1 PID: 2850 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 297.301246][ T2850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 297.310209][ T2853] FAULT_INJECTION: forcing a failure. [ 297.310209][ T2853] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 297.311308][ T2850] Call Trace: [ 297.311326][ T2850] dump_stack_lvl+0x1e2/0x24b [ 297.311343][ T2850] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.338393][ T2850] ? vsnprintf+0x1fa/0x1cd0 [ 297.342907][ T2850] dump_stack+0x15/0x17 [ 297.347341][ T2850] should_fail+0x3c0/0x510 [ 297.351750][ T2850] should_fail_usercopy+0x1a/0x20 [ 297.356759][ T2850] _copy_from_user+0x20/0xd0 [ 297.361469][ T2850] kstrtouint_from_user+0xd7/0x2b0 [ 297.366655][ T2850] ? kstrtol_from_user+0x310/0x310 [ 297.371762][ T2850] ? snprintf+0xd6/0x120 [ 297.376007][ T2850] ? avc_policy_seqno+0x1b/0x70 [ 297.380968][ T2850] ? selinux_file_permission+0x2a9/0x520 [ 297.386756][ T2850] proc_fail_nth_write+0xa5/0x290 [ 297.391881][ T2850] ? security_file_permission+0x9d/0xc0 [ 297.397537][ T2850] ? proc_fail_nth_read+0x220/0x220 [ 297.403058][ T2850] ? security_file_permission+0xa8/0xc0 [ 297.408680][ T2850] ? rw_verify_area+0x1c2/0x360 [ 297.413606][ T2850] ? proc_fail_nth_read+0x220/0x220 [ 297.418881][ T2850] vfs_write+0x39b/0xf80 [ 297.423380][ T2850] ? kernel_write+0x420/0x420 [ 297.428050][ T2850] ? __kasan_check_write+0x14/0x20 [ 297.433296][ T2850] ? mutex_lock+0xb2/0x1e0 [ 297.437884][ T2850] ? mutex_trylock+0x180/0x180 [ 297.442719][ T2850] ? __fdget_pos+0x26d/0x310 [ 297.447570][ T2850] ? ksys_write+0x77/0x2c0 [ 297.451980][ T2850] ksys_write+0x198/0x2c0 [ 297.456300][ T2850] ? __ia32_sys_read+0x90/0x90 [ 297.461773][ T2850] ? debug_smp_processor_id+0x17/0x20 [ 297.467234][ T2850] __x64_sys_write+0x7b/0x90 [ 297.471813][ T2850] do_syscall_64+0x34/0x70 [ 297.476564][ T2850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 297.482708][ T2850] RIP: 0033:0x7faa22393b5f [ 297.487550][ T2850] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 297.507705][ T2850] RSP: 002b:00007faa22315160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 297.516129][ T2850] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 297.524418][ T2850] RDX: 0000000000000001 RSI: 00007faa223151e0 RDI: 0000000000000005 [ 297.532484][ T2850] RBP: 00007faa223151d0 R08: 0000000000000000 R09: 0000000000000000 [ 297.540732][ T2850] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 297.548868][ T2850] R13: 00007ffee5f44ccf R14: 00007faa22315300 R15: 0000000000022000 [ 297.557061][ T2853] CPU: 0 PID: 2853 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 297.567740][ T2853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 297.578714][ T2853] Call Trace: [ 297.582089][ T2853] dump_stack_lvl+0x1e2/0x24b [ 297.587003][ T2853] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.592554][ T2853] ? vsnprintf+0x1fa/0x1cd0 [ 297.597156][ T2853] dump_stack+0x15/0x17 [ 297.601314][ T2853] should_fail+0x3c0/0x510 [ 297.605709][ T2853] should_fail_usercopy+0x1a/0x20 [ 297.610887][ T2853] _copy_from_user+0x20/0xd0 [ 297.616230][ T2853] kstrtouint_from_user+0xd7/0x2b0 [ 297.621514][ T2853] ? kstrtol_from_user+0x310/0x310 [ 297.626746][ T2853] ? snprintf+0xd6/0x120 [ 297.632128][ T2853] ? avc_policy_seqno+0x1b/0x70 [ 297.637082][ T2853] ? selinux_file_permission+0x2a9/0x520 [ 297.642817][ T2853] proc_fail_nth_write+0xa5/0x290 [ 297.648222][ T2853] ? security_file_permission+0x9d/0xc0 [ 297.653842][ T2853] ? proc_fail_nth_read+0x220/0x220 [ 297.659118][ T2853] ? security_file_permission+0xa8/0xc0 [ 297.664733][ T2853] ? rw_verify_area+0x1c2/0x360 [ 297.669665][ T2853] ? proc_fail_nth_read+0x220/0x220 [ 297.675296][ T2853] vfs_write+0x39b/0xf80 [ 297.679723][ T2853] ? kernel_write+0x420/0x420 [ 297.684903][ T2853] ? __kasan_check_write+0x14/0x20 [ 297.690103][ T2853] ? mutex_lock+0xb2/0x1e0 [ 297.694587][ T2853] ? mutex_trylock+0x180/0x180 [ 297.699778][ T2853] ? __fdget_pos+0x26d/0x310 [ 297.704440][ T2853] ? ksys_write+0x77/0x2c0 [ 297.708839][ T2853] ksys_write+0x198/0x2c0 [ 297.713148][ T2853] ? __ia32_sys_read+0x90/0x90 [ 297.718095][ T2853] ? debug_smp_processor_id+0x17/0x20 [ 297.723813][ T2853] __x64_sys_write+0x7b/0x90 [ 297.728466][ T2853] do_syscall_64+0x34/0x70 [ 297.733298][ T2853] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 297.739659][ T2853] RIP: 0033:0x7f022ab05b5f [ 297.744263][ T2853] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 297.764311][ T2853] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 297.773510][ T2853] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 297.782736][ T2853] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 297.790990][ T2853] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 297.800101][ T2853] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 297.808368][ T2853] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 297.820493][ T2858] FAULT_INJECTION: forcing a failure. [ 297.820493][ T2858] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 297.820501][ T2857] FAULT_INJECTION: forcing a failure. [ 297.820501][ T2857] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 297.820527][ T2857] CPU: 1 PID: 2857 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 297.858001][ T2857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 297.868650][ T2857] Call Trace: [ 297.871960][ T2857] dump_stack_lvl+0x1e2/0x24b [ 297.876717][ T2857] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.882357][ T2857] ? vsnprintf+0x1fa/0x1cd0 [ 297.886757][ T2860] FAULT_INJECTION: forcing a failure. [ 297.886757][ T2860] name failslab, interval 1, probability 0, space 0, times 0 [ 297.886982][ T2857] dump_stack+0x15/0x17 [ 297.904049][ T2857] should_fail+0x3c0/0x510 [ 297.908657][ T2857] should_fail_usercopy+0x1a/0x20 [ 297.913775][ T2857] _copy_from_user+0x20/0xd0 [ 297.918611][ T2857] kstrtouint_from_user+0xd7/0x2b0 [ 297.923727][ T2857] ? kstrtol_from_user+0x310/0x310 [ 297.928916][ T2857] ? snprintf+0xd6/0x120 [ 297.933582][ T2857] ? avc_policy_seqno+0x1b/0x70 [ 297.938687][ T2857] ? selinux_file_permission+0x2a9/0x520 [ 297.944487][ T2857] proc_fail_nth_write+0xa5/0x290 [ 297.949683][ T2857] ? security_file_permission+0x9d/0xc0 [ 297.955472][ T2857] ? proc_fail_nth_read+0x220/0x220 [ 297.960747][ T2857] ? security_file_permission+0xa8/0xc0 [ 297.966452][ T2857] ? rw_verify_area+0x1c2/0x360 [ 297.971870][ T2857] ? proc_fail_nth_read+0x220/0x220 [ 297.977274][ T2857] vfs_write+0x39b/0xf80 [ 297.981524][ T2857] ? kernel_write+0x420/0x420 [ 297.986290][ T2857] ? __kasan_check_write+0x14/0x20 [ 297.991561][ T2857] ? mutex_lock+0xb2/0x1e0 [ 297.996371][ T2857] ? mutex_trylock+0x180/0x180 [ 298.001384][ T2857] ? __fdget_pos+0x26d/0x310 [ 298.006306][ T2857] ? ksys_write+0x77/0x2c0 [ 298.010807][ T2857] ksys_write+0x198/0x2c0 [ 298.015299][ T2857] ? __ia32_sys_read+0x90/0x90 [ 298.020410][ T2857] ? debug_smp_processor_id+0x17/0x20 [ 298.025874][ T2857] __x64_sys_write+0x7b/0x90 [ 298.030564][ T2857] do_syscall_64+0x34/0x70 [ 298.035446][ T2857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 298.041443][ T2857] RIP: 0033:0x7f6ebe0d0b5f [ 298.046019][ T2857] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 298.065861][ T2857] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 298.074437][ T2857] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 298.082487][ T2857] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 298.090542][ T2857] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 298.099106][ T2857] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 298.107260][ T2857] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 298.115581][ T2860] CPU: 0 PID: 2860 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 298.126341][ T2860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 298.136397][ T2860] Call Trace: [ 298.140251][ T2860] dump_stack_lvl+0x1e2/0x24b [ 298.145214][ T2860] ? panic+0x7d7/0x7d7 [ 298.149592][ T2860] ? bfq_pos_tree_add_move+0x43e/0x43e [ 298.155230][ T2860] ? find_next_bit+0xd6/0x120 [ 298.159985][ T2860] ? cpumask_next+0x11/0x30 [ 298.164474][ T2860] dump_stack+0x15/0x17 [ 298.168702][ T2860] should_fail+0x3c0/0x510 [ 298.173204][ T2860] ? percpu_ref_init+0xd0/0x340 [ 298.178218][ T2860] __should_failslab+0x9f/0xe0 [ 298.183057][ T2860] should_failslab+0x9/0x20 [ 298.187547][ T2860] kmem_cache_alloc_trace+0x3a/0x330 [ 298.193117][ T2860] percpu_ref_init+0xd0/0x340 [ 298.197884][ T2860] ? cgroup_setup_root+0xea0/0xea0 [ 298.203155][ T2860] cgroup_apply_control_enable+0x3a2/0x12f0 [ 298.209740][ T2860] ? cgroup_reconfigure+0xe0/0xe0 [ 298.214951][ T2860] cgroup_apply_control+0x8e/0x7e0 [ 298.220374][ T2860] ? css_next_child+0x160/0x160 [ 298.225958][ T2860] ? io_schedule+0x120/0x120 [ 298.231681][ T2860] ? kernfs_fop_write_iter+0x15e/0x410 [ 298.237259][ T2860] ? __kasan_check_write+0x14/0x20 [ 298.242625][ T2860] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 298.248419][ T2860] cgroup_subtree_control_write+0xd19/0x1310 [ 298.255009][ T2860] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.261084][ T2860] ? __kasan_check_write+0x14/0x20 [ 298.266523][ T2860] ? _copy_from_iter+0x3fb/0xd60 [ 298.271632][ T2860] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.277970][ T2860] cgroup_file_write+0x28e/0x590 [ 298.283180][ T2860] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.288338][ T2860] ? mutex_trylock+0x180/0x180 [ 298.293179][ T2860] ? __kasan_check_write+0x14/0x20 [ 298.298472][ T2860] kernfs_fop_write_iter+0x2d0/0x410 [ 298.304006][ T2860] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.309191][ T2860] vfs_write+0xc4a/0xf80 [ 298.313423][ T2860] ? kernel_write+0x420/0x420 [ 298.318189][ T2860] ? mutex_lock+0xb2/0x1e0 [ 298.322630][ T2860] ? mutex_trylock+0x180/0x180 [ 298.327481][ T2860] ? __fdget_pos+0x26d/0x310 [ 298.332234][ T2860] ? ksys_write+0x77/0x2c0 [ 298.336629][ T2860] ksys_write+0x198/0x2c0 [ 298.340956][ T2860] ? __ia32_sys_read+0x90/0x90 [ 298.345786][ T2860] ? debug_smp_processor_id+0x17/0x20 [ 298.351226][ T2860] __x64_sys_write+0x7b/0x90 [ 298.356072][ T2860] do_syscall_64+0x34/0x70 [ 298.360472][ T2860] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 298.366394][ T2860] RIP: 0033:0x7f85191c4049 [ 298.370891][ T2860] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 298.391364][ T2860] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 298.400116][ T2860] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 298.408250][ T2860] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 298.416297][ T2860] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 298.424643][ T2860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 298.432771][ T2860] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 298.444078][ T2858] CPU: 0 PID: 2858 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 298.444794][ T2866] FAULT_INJECTION: forcing a failure. [ 298.444794][ T2866] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.454716][ T2858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 298.454721][ T2858] Call Trace: [ 298.454739][ T2858] dump_stack_lvl+0x1e2/0x24b [ 298.454751][ T2858] ? bfq_pos_tree_add_move+0x43e/0x43e [ 298.454760][ T2858] ? vsnprintf+0x1fa/0x1cd0 [ 298.454770][ T2858] dump_stack+0x15/0x17 [ 298.454778][ T2858] should_fail+0x3c0/0x510 [ 298.454788][ T2858] should_fail_usercopy+0x1a/0x20 [ 298.454798][ T2858] _copy_from_user+0x20/0xd0 [ 298.454807][ T2858] kstrtouint_from_user+0xd7/0x2b0 [ 298.454817][ T2858] ? kstrtol_from_user+0x310/0x310 [ 298.454826][ T2858] ? snprintf+0xd6/0x120 [ 298.454839][ T2858] ? avc_policy_seqno+0x1b/0x70 [ 298.454847][ T2858] ? selinux_file_permission+0x2a9/0x520 [ 298.454857][ T2858] proc_fail_nth_write+0xa5/0x290 [ 298.454865][ T2858] ? security_file_permission+0x9d/0xc0 [ 298.454881][ T2858] ? proc_fail_nth_read+0x220/0x220 [ 298.469012][ T2868] FAULT_INJECTION: forcing a failure. [ 298.469012][ T2868] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.478383][ T2858] ? security_file_permission+0xa8/0xc0 [ 298.478394][ T2858] ? rw_verify_area+0x1c2/0x360 [ 298.478403][ T2858] ? proc_fail_nth_read+0x220/0x220 [ 298.478411][ T2858] vfs_write+0x39b/0xf80 [ 298.478420][ T2858] ? kernel_write+0x420/0x420 [ 298.478431][ T2858] ? __kasan_check_write+0x14/0x20 [ 298.478439][ T2858] ? mutex_lock+0xb2/0x1e0 [ 298.478448][ T2858] ? mutex_trylock+0x180/0x180 [ 298.478460][ T2858] ? __fdget_pos+0x26d/0x310 [ 298.478469][ T2858] ? ksys_write+0x77/0x2c0 [ 298.478477][ T2858] ksys_write+0x198/0x2c0 [ 298.478494][ T2858] ? __ia32_sys_read+0x90/0x90 [ 298.494461][ T2869] FAULT_INJECTION: forcing a failure. [ 298.494461][ T2869] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.496699][ T2858] ? debug_smp_processor_id+0x17/0x20 [ 298.496711][ T2858] __x64_sys_write+0x7b/0x90 [ 298.496726][ T2858] do_syscall_64+0x34/0x70 [ 298.501089][ T2870] FAULT_INJECTION: forcing a failure. [ 298.501089][ T2870] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.505259][ T2858] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 298.505267][ T2858] RIP: 0033:0x7f7d1c31ab5f [ 298.505278][ T2858] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 298.505284][ T2858] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 298.715369][ T2858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 298.723414][ T2858] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 298.732875][ T2858] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 298.740938][ T2858] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 298.749163][ T2858] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 298.757210][ T2869] CPU: 1 PID: 2869 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 298.768747][ T2869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 298.778385][ T2872] FAULT_INJECTION: forcing a failure. [ 298.778385][ T2872] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.779320][ T2869] Call Trace: [ 298.779337][ T2869] dump_stack_lvl+0x1e2/0x24b [ 298.779355][ T2869] ? bfq_pos_tree_add_move+0x43e/0x43e [ 298.806314][ T2869] ? __check_object_size+0x76/0x3e0 [ 298.811522][ T2869] dump_stack+0x15/0x17 [ 298.815759][ T2869] should_fail+0x3c0/0x510 [ 298.820251][ T2869] should_fail_usercopy+0x1a/0x20 [ 298.825286][ T2869] _copy_from_user+0x20/0xd0 [ 298.829866][ T2869] kstrtouint_from_user+0xd7/0x2b0 [ 298.835050][ T2869] ? kstrtol_from_user+0x310/0x310 [ 298.840540][ T2869] ? snprintf+0xd6/0x120 [ 298.845003][ T2869] ? avc_policy_seqno+0x1b/0x70 [ 298.850312][ T2869] ? selinux_file_permission+0x2a9/0x520 [ 298.857400][ T2869] proc_fail_nth_write+0xa5/0x290 [ 298.863012][ T2869] ? security_file_permission+0x9d/0xc0 [ 298.869306][ T2869] ? proc_fail_nth_read+0x220/0x220 [ 298.874711][ T2869] ? security_file_permission+0xa8/0xc0 [ 298.880422][ T2869] ? rw_verify_area+0x1c2/0x360 [ 298.885896][ T2869] ? proc_fail_nth_read+0x220/0x220 [ 298.891169][ T2869] vfs_write+0x39b/0xf80 [ 298.895599][ T2869] ? kernel_write+0x420/0x420 [ 298.900361][ T2869] ? __kasan_check_write+0x14/0x20 [ 298.905899][ T2869] ? mutex_lock+0xb2/0x1e0 [ 298.910398][ T2869] ? mutex_trylock+0x180/0x180 [ 298.915453][ T2869] ? __fdget_pos+0x26d/0x310 [ 298.920787][ T2869] ? ksys_write+0x77/0x2c0 [ 298.925989][ T2869] ksys_write+0x198/0x2c0 [ 298.930342][ T2869] ? __kasan_check_write+0x14/0x20 [ 298.935734][ T2869] ? __ia32_sys_read+0x90/0x90 [ 298.940506][ T2869] ? debug_smp_processor_id+0x17/0x20 [ 298.945950][ T2869] __x64_sys_write+0x7b/0x90 [ 298.950742][ T2869] do_syscall_64+0x34/0x70 [ 298.955654][ T2869] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 298.962280][ T2869] RIP: 0033:0x7f869ba6eb5f [ 298.966778][ T2869] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 298.987338][ T2869] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 298.996554][ T2869] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 299.005558][ T2869] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 299.014056][ T2869] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.022233][ T2869] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 299.030372][ T2869] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 299.038613][ T2866] CPU: 0 PID: 2866 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 299.051726][ T2866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 299.062687][ T2866] Call Trace: [ 299.066101][ T2866] dump_stack_lvl+0x1e2/0x24b [ 299.071032][ T2866] ? bfq_pos_tree_add_move+0x43e/0x43e [ 299.076754][ T2866] ? vsnprintf+0x1fa/0x1cd0 [ 299.081254][ T2866] dump_stack+0x15/0x17 [ 299.085428][ T2866] should_fail+0x3c0/0x510 [ 299.090013][ T2866] should_fail_usercopy+0x1a/0x20 [ 299.095351][ T2866] _copy_from_user+0x20/0xd0 [ 299.100174][ T2866] kstrtouint_from_user+0xd7/0x2b0 [ 299.105473][ T2866] ? kstrtol_from_user+0x310/0x310 [ 299.110996][ T2866] ? snprintf+0xd6/0x120 [ 299.116029][ T2866] ? avc_policy_seqno+0x1b/0x70 [ 299.121403][ T2866] ? selinux_file_permission+0x2a9/0x520 [ 299.127276][ T2866] proc_fail_nth_write+0xa5/0x290 [ 299.132862][ T2866] ? security_file_permission+0x9d/0xc0 [ 299.138489][ T2866] ? proc_fail_nth_read+0x220/0x220 [ 299.145103][ T2866] ? security_file_permission+0xa8/0xc0 [ 299.150883][ T2866] ? rw_verify_area+0x1c2/0x360 [ 299.156507][ T2866] ? proc_fail_nth_read+0x220/0x220 [ 299.161961][ T2866] vfs_write+0x39b/0xf80 [ 299.166547][ T2866] ? kernel_write+0x420/0x420 [ 299.171579][ T2866] ? __kasan_check_write+0x14/0x20 [ 299.176706][ T2866] ? mutex_lock+0xb2/0x1e0 [ 299.181309][ T2866] ? mutex_trylock+0x180/0x180 [ 299.186340][ T2866] ? __fdget_pos+0x26d/0x310 [ 299.191302][ T2866] ? ksys_write+0x77/0x2c0 [ 299.197608][ T2866] ksys_write+0x198/0x2c0 [ 299.202481][ T2866] ? __kasan_check_write+0x14/0x20 [ 299.207946][ T2866] ? __ia32_sys_read+0x90/0x90 [ 299.213376][ T2866] ? debug_smp_processor_id+0x17/0x20 [ 299.219175][ T2866] __x64_sys_write+0x7b/0x90 [ 299.225923][ T2866] do_syscall_64+0x34/0x70 [ 299.230785][ T2866] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 299.236865][ T2866] RIP: 0033:0x7f6ebe0d0b5f [ 299.241263][ T2866] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 299.262339][ T2866] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 299.271347][ T2866] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 299.279738][ T2866] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 299.287970][ T2866] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.296356][ T2866] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 299.304925][ T2866] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 299.313873][ T2870] CPU: 1 PID: 2870 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 299.324823][ T2870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 299.335307][ T2870] Call Trace: [ 299.338691][ T2870] dump_stack_lvl+0x1e2/0x24b [ 299.343534][ T2870] ? bfq_pos_tree_add_move+0x43e/0x43e [ 299.349065][ T2870] ? vsnprintf+0x1fa/0x1cd0 [ 299.353579][ T2870] dump_stack+0x15/0x17 [ 299.357746][ T2870] should_fail+0x3c0/0x510 [ 299.362233][ T2870] should_fail_usercopy+0x1a/0x20 [ 299.367374][ T2870] _copy_from_user+0x20/0xd0 [ 299.372297][ T2870] kstrtouint_from_user+0xd7/0x2b0 [ 299.377568][ T2870] ? kstrtol_from_user+0x310/0x310 [ 299.383026][ T2870] ? snprintf+0xd6/0x120 [ 299.387284][ T2870] ? avc_policy_seqno+0x1b/0x70 [ 299.392575][ T2870] ? selinux_file_permission+0x2a9/0x520 [ 299.398384][ T2870] proc_fail_nth_write+0xa5/0x290 [ 299.404435][ T2870] ? security_file_permission+0x9d/0xc0 [ 299.409991][ T2870] ? proc_fail_nth_read+0x220/0x220 [ 299.415452][ T2870] ? security_file_permission+0xa8/0xc0 [ 299.420987][ T2870] ? rw_verify_area+0x1c2/0x360 [ 299.425909][ T2870] ? proc_fail_nth_read+0x220/0x220 [ 299.431245][ T2870] vfs_write+0x39b/0xf80 [ 299.435585][ T2870] ? kernel_write+0x420/0x420 [ 299.440449][ T2870] ? __kasan_check_write+0x14/0x20 [ 299.445824][ T2870] ? mutex_lock+0xb2/0x1e0 [ 299.450226][ T2870] ? mutex_trylock+0x180/0x180 [ 299.455068][ T2870] ? __fdget_pos+0x26d/0x310 [ 299.459914][ T2870] ? ksys_write+0x77/0x2c0 [ 299.464431][ T2870] ksys_write+0x198/0x2c0 [ 299.468752][ T2870] ? __kasan_check_write+0x14/0x20 [ 299.474343][ T2870] ? __ia32_sys_read+0x90/0x90 [ 299.479420][ T2870] ? debug_smp_processor_id+0x17/0x20 [ 299.484994][ T2870] __x64_sys_write+0x7b/0x90 [ 299.489930][ T2870] do_syscall_64+0x34/0x70 [ 299.494637][ T2870] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 299.501277][ T2870] RIP: 0033:0x7faa22393b5f [ 299.506132][ T2870] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 299.528116][ T2870] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 299.537500][ T2870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 299.546434][ T2870] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 299.555170][ T2870] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.563739][ T2870] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 299.571946][ T2870] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 299.580535][ T2872] CPU: 0 PID: 2872 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 299.591128][ T2872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 299.601472][ T2872] Call Trace: [ 299.605223][ T2872] dump_stack_lvl+0x1e2/0x24b [ 299.610281][ T2872] ? bfq_pos_tree_add_move+0x43e/0x43e [ 299.615744][ T2872] ? vsnprintf+0x1fa/0x1cd0 [ 299.621315][ T2872] dump_stack+0x15/0x17 [ 299.625661][ T2872] should_fail+0x3c0/0x510 [ 299.630262][ T2872] should_fail_usercopy+0x1a/0x20 [ 299.635554][ T2872] _copy_from_user+0x20/0xd0 [ 299.640826][ T2872] kstrtouint_from_user+0xd7/0x2b0 [ 299.646131][ T2872] ? kstrtol_from_user+0x310/0x310 [ 299.651836][ T2872] ? snprintf+0xd6/0x120 [ 299.656241][ T2872] ? avc_policy_seqno+0x1b/0x70 [ 299.661386][ T2872] ? selinux_file_permission+0x2a9/0x520 [ 299.667223][ T2872] proc_fail_nth_write+0xa5/0x290 [ 299.672439][ T2872] ? security_file_permission+0x9d/0xc0 [ 299.678059][ T2872] ? proc_fail_nth_read+0x220/0x220 [ 299.683549][ T2872] ? security_file_permission+0xa8/0xc0 [ 299.689273][ T2872] ? rw_verify_area+0x1c2/0x360 [ 299.694122][ T2872] ? proc_fail_nth_read+0x220/0x220 [ 299.699390][ T2872] vfs_write+0x39b/0xf80 [ 299.703807][ T2872] ? kernel_write+0x420/0x420 [ 299.708564][ T2872] ? __kasan_check_write+0x14/0x20 [ 299.713872][ T2872] ? mutex_lock+0xb2/0x1e0 [ 299.718467][ T2872] ? mutex_trylock+0x180/0x180 [ 299.723621][ T2872] ? __fdget_pos+0x26d/0x310 [ 299.728798][ T2872] ? ksys_write+0x77/0x2c0 [ 299.733476][ T2872] ksys_write+0x198/0x2c0 [ 299.738339][ T2872] ? __ia32_sys_read+0x90/0x90 [ 299.743104][ T2872] ? debug_smp_processor_id+0x17/0x20 [ 299.748682][ T2872] __x64_sys_write+0x7b/0x90 [ 299.753394][ T2872] do_syscall_64+0x34/0x70 [ 299.758952][ T2872] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 299.765091][ T2872] RIP: 0033:0x7f7d1c31ab5f [ 299.769871][ T2872] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 299.790436][ T2872] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 299.799500][ T2872] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 299.807951][ T2872] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 299.816211][ T2872] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.824781][ T2872] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 299.832761][ T2872] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 299.840949][ T2868] CPU: 1 PID: 2868 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 299.852169][ T2868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 299.855842][ T2876] FAULT_INJECTION: forcing a failure. [ 299.855842][ T2876] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 299.863360][ T2868] Call Trace: [ 299.863382][ T2868] dump_stack_lvl+0x1e2/0x24b [ 299.863393][ T2868] ? bfq_pos_tree_add_move+0x43e/0x43e [ 299.863403][ T2868] ? vsnprintf+0x1fa/0x1cd0 [ 299.863413][ T2868] dump_stack+0x15/0x17 [ 299.863431][ T2868] should_fail+0x3c0/0x510 [ 299.898766][ T2877] FAULT_INJECTION: forcing a failure. [ 299.898766][ T2877] name failslab, interval 1, probability 0, space 0, times 0 [ 299.900623][ T2868] should_fail_usercopy+0x1a/0x20 [ 299.932357][ T2868] _copy_from_user+0x20/0xd0 [ 299.937202][ T2868] kstrtouint_from_user+0xd7/0x2b0 [ 299.942301][ T2868] ? kstrtol_from_user+0x310/0x310 [ 299.947572][ T2868] ? snprintf+0xd6/0x120 [ 299.952179][ T2868] ? avc_policy_seqno+0x1b/0x70 [ 299.957322][ T2868] ? selinux_file_permission+0x2a9/0x520 [ 299.963050][ T2868] proc_fail_nth_write+0xa5/0x290 [ 299.968172][ T2868] ? security_file_permission+0x9d/0xc0 [ 299.973713][ T2868] ? proc_fail_nth_read+0x220/0x220 [ 299.979165][ T2868] ? security_file_permission+0xa8/0xc0 [ 299.985314][ T2868] ? rw_verify_area+0x1c2/0x360 [ 299.990618][ T2868] ? proc_fail_nth_read+0x220/0x220 [ 299.995997][ T2868] vfs_write+0x39b/0xf80 [ 300.000716][ T2868] ? kernel_write+0x420/0x420 [ 300.005856][ T2868] ? __kasan_check_write+0x14/0x20 [ 300.011248][ T2868] ? mutex_lock+0xb2/0x1e0 [ 300.015743][ T2868] ? mutex_trylock+0x180/0x180 [ 300.020947][ T2868] ? __fdget_pos+0x26d/0x310 [ 300.025618][ T2868] ? ksys_write+0x77/0x2c0 [ 300.030495][ T2868] ksys_write+0x198/0x2c0 [ 300.034915][ T2868] ? __kasan_check_write+0x14/0x20 [ 300.040461][ T2868] ? __ia32_sys_read+0x90/0x90 [ 300.045395][ T2868] ? debug_smp_processor_id+0x17/0x20 [ 300.051053][ T2868] __x64_sys_write+0x7b/0x90 [ 300.056438][ T2868] do_syscall_64+0x34/0x70 [ 300.061252][ T2868] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 300.067241][ T2868] RIP: 0033:0x7f022ab05b5f [ 300.071850][ T2868] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 300.093237][ T2868] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 300.102084][ T2868] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 300.110221][ T2868] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 300.118439][ T2868] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 300.126656][ T2868] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 300.134717][ T2868] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 300.142683][ T2876] CPU: 0 PID: 2876 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 300.153091][ T2876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 300.163344][ T2876] Call Trace: [ 300.166813][ T2876] dump_stack_lvl+0x1e2/0x24b [ 300.171737][ T2876] ? bfq_pos_tree_add_move+0x43e/0x43e [ 300.177912][ T2876] ? vsnprintf+0x1fa/0x1cd0 [ 300.182611][ T2876] dump_stack+0x15/0x17 [ 300.186848][ T2876] should_fail+0x3c0/0x510 [ 300.191264][ T2876] should_fail_usercopy+0x1a/0x20 [ 300.196280][ T2876] _copy_from_user+0x20/0xd0 [ 300.201025][ T2876] kstrtouint_from_user+0xd7/0x2b0 [ 300.206467][ T2876] ? kstrtol_from_user+0x310/0x310 [ 300.211649][ T2876] ? snprintf+0xd6/0x120 [ 300.216320][ T2876] ? avc_policy_seqno+0x1b/0x70 [ 300.223407][ T2876] ? selinux_file_permission+0x2a9/0x520 [ 300.229478][ T2876] proc_fail_nth_write+0xa5/0x290 [ 300.235002][ T2876] ? security_file_permission+0x9d/0xc0 [ 300.241242][ T2876] ? proc_fail_nth_read+0x220/0x220 [ 300.246707][ T2876] ? security_file_permission+0xa8/0xc0 [ 300.252280][ T2876] ? rw_verify_area+0x1c2/0x360 [ 300.257281][ T2876] ? proc_fail_nth_read+0x220/0x220 [ 300.262717][ T2876] vfs_write+0x39b/0xf80 [ 300.267058][ T2876] ? kernel_write+0x420/0x420 [ 300.271812][ T2876] ? __kasan_check_write+0x14/0x20 [ 300.277036][ T2876] ? mutex_lock+0xb2/0x1e0 [ 300.281458][ T2876] ? mutex_trylock+0x180/0x180 [ 300.286442][ T2876] ? __fdget_pos+0x26d/0x310 [ 300.291098][ T2876] ? ksys_write+0x77/0x2c0 [ 300.295752][ T2876] ksys_write+0x198/0x2c0 [ 300.300597][ T2876] ? __ia32_sys_read+0x90/0x90 [ 300.305515][ T2876] ? debug_smp_processor_id+0x17/0x20 [ 300.311748][ T2876] __x64_sys_write+0x7b/0x90 [ 300.318056][ T2876] do_syscall_64+0x34/0x70 [ 300.322749][ T2876] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 300.328626][ T2876] RIP: 0033:0x7f7d1c31ab5f [ 300.333140][ T2876] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 300.353632][ T2876] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 300.362437][ T2876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 300.370497][ T2876] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 300.379194][ T2876] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 300.389017][ T2876] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 2022/08/30 17:00:41 executed programs: 1114 [ 300.398133][ T2876] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 300.420435][ T2877] CPU: 0 PID: 2877 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 300.431399][ T2877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 300.442168][ T2877] Call Trace: [ 300.445713][ T2877] dump_stack_lvl+0x1e2/0x24b [ 300.450467][ T2877] ? panic+0x7d7/0x7d7 [ 300.454874][ T2877] ? bfq_pos_tree_add_move+0x43e/0x43e [ 300.460401][ T2877] ? find_next_bit+0xd6/0x120 [ 300.465180][ T2877] ? cpumask_next+0x11/0x30 [ 300.469937][ T2877] dump_stack+0x15/0x17 [ 300.474159][ T2877] should_fail+0x3c0/0x510 [ 300.478832][ T2877] ? percpu_ref_init+0xd0/0x340 [ 300.484029][ T2877] __should_failslab+0x9f/0xe0 [ 300.489172][ T2877] should_failslab+0x9/0x20 [ 300.493787][ T2877] kmem_cache_alloc_trace+0x3a/0x330 [ 300.499161][ T2877] percpu_ref_init+0xd0/0x340 [ 300.503872][ T2877] ? cgroup_setup_root+0xea0/0xea0 [ 300.509383][ T2877] cgroup_apply_control_enable+0x3a2/0x12f0 [ 300.515280][ T2877] ? cgroup_reconfigure+0xe0/0xe0 [ 300.520290][ T2877] cgroup_apply_control+0x8e/0x7e0 [ 300.525761][ T2877] ? css_next_child+0x160/0x160 [ 300.530678][ T2877] ? io_schedule+0x120/0x120 [ 300.535260][ T2877] ? kernfs_fop_write_iter+0x15e/0x410 [ 300.540890][ T2877] ? __kasan_check_write+0x14/0x20 [ 300.546094][ T2877] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 300.551677][ T2877] cgroup_subtree_control_write+0xd19/0x1310 [ 300.557671][ T2877] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.563926][ T2877] ? __kasan_check_write+0x14/0x20 [ 300.569619][ T2877] ? _copy_from_iter+0x3fb/0xd60 [ 300.575088][ T2877] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.581263][ T2877] cgroup_file_write+0x28e/0x590 [ 300.586190][ T2877] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.591409][ T2877] ? mutex_trylock+0x180/0x180 [ 300.596422][ T2877] ? __kasan_check_write+0x14/0x20 [ 300.601875][ T2877] kernfs_fop_write_iter+0x2d0/0x410 [ 300.607573][ T2877] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.613260][ T2877] vfs_write+0xc4a/0xf80 [ 300.617685][ T2877] ? kernel_write+0x420/0x420 [ 300.622360][ T2877] ? mutex_lock+0xb2/0x1e0 [ 300.626786][ T2877] ? mutex_trylock+0x180/0x180 [ 300.631761][ T2877] ? __fdget_pos+0x26d/0x310 [ 300.636342][ T2877] ? ksys_write+0x77/0x2c0 [ 300.640986][ T2877] ksys_write+0x198/0x2c0 [ 300.645304][ T2877] ? __ia32_sys_read+0x90/0x90 [ 300.650051][ T2877] ? debug_smp_processor_id+0x17/0x20 [ 300.655428][ T2877] __x64_sys_write+0x7b/0x90 [ 300.660174][ T2877] do_syscall_64+0x34/0x70 [ 300.664674][ T2877] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 300.670545][ T2877] RIP: 0033:0x7f85191c4049 [ 300.675119][ T2877] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 300.695431][ T2877] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 300.703939][ T2877] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 300.711978][ T2877] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 300.719928][ T2877] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 300.728276][ T2877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 300.736240][ T2877] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 300.753678][ T2887] FAULT_INJECTION: forcing a failure. [ 300.753678][ T2887] name failslab, interval 1, probability 0, space 0, times 0 [ 300.766960][ T2887] CPU: 1 PID: 2887 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 300.779079][ T2887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 300.789410][ T2887] Call Trace: [ 300.792705][ T2887] dump_stack_lvl+0x1e2/0x24b [ 300.797747][ T2887] ? panic+0x7d7/0x7d7 [ 300.802148][ T2887] ? bfq_pos_tree_add_move+0x43e/0x43e [ 300.807944][ T2887] ? find_next_bit+0xd6/0x120 [ 300.812719][ T2887] ? cpumask_next+0x11/0x30 [ 300.817317][ T2887] dump_stack+0x15/0x17 [ 300.821682][ T2887] should_fail+0x3c0/0x510 [ 300.826279][ T2887] ? percpu_ref_init+0xd0/0x340 [ 300.832711][ T2887] __should_failslab+0x9f/0xe0 [ 300.837597][ T2887] should_failslab+0x9/0x20 [ 300.842643][ T2887] kmem_cache_alloc_trace+0x3a/0x330 [ 300.848014][ T2887] percpu_ref_init+0xd0/0x340 [ 300.853399][ T2887] ? cgroup_setup_root+0xea0/0xea0 [ 300.859114][ T2887] cgroup_apply_control_enable+0x3a2/0x12f0 [ 300.865706][ T2887] ? cgroup_reconfigure+0xe0/0xe0 [ 300.870995][ T2887] cgroup_apply_control+0x8e/0x7e0 [ 300.876310][ T2887] ? css_next_child+0x160/0x160 [ 300.881611][ T2887] ? io_schedule+0x120/0x120 [ 300.886392][ T2887] ? kernfs_fop_write_iter+0x15e/0x410 [ 300.891883][ T2887] ? __kasan_check_write+0x14/0x20 [ 300.897197][ T2887] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 300.902477][ T2887] cgroup_subtree_control_write+0xd19/0x1310 [ 300.908540][ T2887] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.914771][ T2887] ? __kasan_check_write+0x14/0x20 [ 300.919877][ T2887] ? _copy_from_iter+0x3fb/0xd60 [ 300.924996][ T2887] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.931560][ T2887] cgroup_file_write+0x28e/0x590 [ 300.936857][ T2887] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.942060][ T2887] ? mutex_trylock+0x180/0x180 [ 300.947171][ T2887] ? __kasan_check_write+0x14/0x20 [ 300.952267][ T2887] kernfs_fop_write_iter+0x2d0/0x410 [ 300.960445][ T2887] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.966003][ T2887] vfs_write+0xc4a/0xf80 [ 300.970638][ T2887] ? kernel_write+0x420/0x420 [ 300.975478][ T2887] ? mutex_lock+0xb2/0x1e0 [ 300.980082][ T2887] ? mutex_trylock+0x180/0x180 [ 300.984932][ T2887] ? __fdget_pos+0x26d/0x310 [ 300.989765][ T2887] ? ksys_write+0x77/0x2c0 [ 300.994739][ T2887] ksys_write+0x198/0x2c0 [ 300.999066][ T2887] ? __ia32_sys_read+0x90/0x90 [ 301.003838][ T2887] ? debug_smp_processor_id+0x17/0x20 [ 301.009541][ T2887] __x64_sys_write+0x7b/0x90 [ 301.014376][ T2887] do_syscall_64+0x34/0x70 [ 301.018793][ T2887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 301.024769][ T2887] RIP: 0033:0x7f85191c4049 [ 301.029182][ T2887] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 301.048958][ T2887] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 301.057967][ T2887] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 301.066123][ T2887] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 301.074582][ T2887] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 301.083067][ T2887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 301.092894][ T2887] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 301.104751][ T2879] FAULT_INJECTION: forcing a failure. [ 301.104751][ T2879] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.105163][ T2882] FAULT_INJECTION: forcing a failure. [ 301.105163][ T2882] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.118948][ T2883] FAULT_INJECTION: forcing a failure. [ 301.118948][ T2883] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.132697][ T2882] CPU: 1 PID: 2882 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 301.146953][ T2888] FAULT_INJECTION: forcing a failure. [ 301.146953][ T2888] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.157245][ T2882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 301.157250][ T2882] Call Trace: [ 301.157271][ T2882] dump_stack_lvl+0x1e2/0x24b [ 301.157282][ T2882] ? bfq_pos_tree_add_move+0x43e/0x43e [ 301.157292][ T2882] ? vsnprintf+0x1fa/0x1cd0 [ 301.157301][ T2882] dump_stack+0x15/0x17 [ 301.157310][ T2882] should_fail+0x3c0/0x510 [ 301.157318][ T2882] should_fail_usercopy+0x1a/0x20 [ 301.157328][ T2882] _copy_from_user+0x20/0xd0 [ 301.157338][ T2882] kstrtouint_from_user+0xd7/0x2b0 [ 301.157348][ T2882] ? kstrtol_from_user+0x310/0x310 [ 301.157356][ T2882] ? snprintf+0xd6/0x120 [ 301.157369][ T2882] ? avc_policy_seqno+0x1b/0x70 [ 301.157378][ T2882] ? selinux_file_permission+0x2a9/0x520 [ 301.157398][ T2882] proc_fail_nth_write+0xa5/0x290 [ 301.180232][ T2889] FAULT_INJECTION: forcing a failure. [ 301.180232][ T2889] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.181303][ T2882] ? security_file_permission+0x9d/0xc0 [ 301.181316][ T2882] ? proc_fail_nth_read+0x220/0x220 [ 301.181334][ T2882] ? security_file_permission+0xa8/0xc0 [ 301.282962][ T2882] ? rw_verify_area+0x1c2/0x360 [ 301.287826][ T2882] ? proc_fail_nth_read+0x220/0x220 [ 301.293231][ T2882] vfs_write+0x39b/0xf80 [ 301.297676][ T2882] ? kernel_write+0x420/0x420 [ 301.302350][ T2882] ? __kasan_check_write+0x14/0x20 [ 301.307807][ T2882] ? mutex_lock+0xb2/0x1e0 [ 301.312234][ T2882] ? mutex_trylock+0x180/0x180 [ 301.317045][ T2882] ? __fdget_pos+0x26d/0x310 [ 301.322054][ T2882] ? ksys_write+0x77/0x2c0 [ 301.326631][ T2882] ksys_write+0x198/0x2c0 [ 301.331031][ T2882] ? __kasan_check_write+0x14/0x20 [ 301.336145][ T2882] ? __ia32_sys_read+0x90/0x90 [ 301.340908][ T2882] ? debug_smp_processor_id+0x17/0x20 [ 301.346295][ T2882] __x64_sys_write+0x7b/0x90 [ 301.351304][ T2882] do_syscall_64+0x34/0x70 [ 301.355913][ T2882] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 301.362154][ T2882] RIP: 0033:0x7f6ebe0d0b5f [ 301.366681][ T2882] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 301.386944][ T2882] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 301.395540][ T2882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 301.403500][ T2882] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 301.411768][ T2882] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 301.420092][ T2882] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 301.428315][ T2882] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 301.436464][ T2888] CPU: 0 PID: 2888 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 301.447060][ T2888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 301.457385][ T2888] Call Trace: [ 301.460670][ T2888] dump_stack_lvl+0x1e2/0x24b [ 301.465335][ T2888] ? bfq_pos_tree_add_move+0x43e/0x43e [ 301.470781][ T2888] ? vsnprintf+0x1fa/0x1cd0 [ 301.475276][ T2888] dump_stack+0x15/0x17 [ 301.479602][ T2888] should_fail+0x3c0/0x510 [ 301.484459][ T2888] should_fail_usercopy+0x1a/0x20 [ 301.489466][ T2888] _copy_from_user+0x20/0xd0 [ 301.494150][ T2888] kstrtouint_from_user+0xd7/0x2b0 [ 301.499332][ T2888] ? kstrtol_from_user+0x310/0x310 [ 301.504975][ T2888] ? snprintf+0xd6/0x120 [ 301.509503][ T2888] ? avc_policy_seqno+0x1b/0x70 [ 301.514425][ T2888] ? selinux_file_permission+0x2a9/0x520 [ 301.520218][ T2888] proc_fail_nth_write+0xa5/0x290 [ 301.525226][ T2888] ? security_file_permission+0x9d/0xc0 [ 301.530751][ T2888] ? proc_fail_nth_read+0x220/0x220 [ 301.536022][ T2888] ? security_file_permission+0xa8/0xc0 [ 301.541726][ T2888] ? rw_verify_area+0x1c2/0x360 [ 301.546736][ T2888] ? proc_fail_nth_read+0x220/0x220 [ 301.551952][ T2888] vfs_write+0x39b/0xf80 [ 301.556198][ T2888] ? kernel_write+0x420/0x420 [ 301.560861][ T2888] ? __kasan_check_write+0x14/0x20 [ 301.566046][ T2888] ? mutex_lock+0xb2/0x1e0 [ 301.570457][ T2888] ? mutex_trylock+0x180/0x180 [ 301.575348][ T2888] ? __fdget_pos+0x26d/0x310 [ 301.580126][ T2888] ? ksys_write+0x77/0x2c0 [ 301.582328][ T2891] FAULT_INJECTION: forcing a failure. [ 301.582328][ T2891] name failslab, interval 1, probability 0, space 0, times 0 [ 301.584553][ T2888] ksys_write+0x198/0x2c0 [ 301.584572][ T2888] ? __kasan_check_write+0x14/0x20 [ 301.606901][ T2888] ? __ia32_sys_read+0x90/0x90 [ 301.612979][ T2888] ? debug_smp_processor_id+0x17/0x20 [ 301.618343][ T2888] __x64_sys_write+0x7b/0x90 [ 301.623040][ T2888] do_syscall_64+0x34/0x70 [ 301.627492][ T2888] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 301.633628][ T2888] RIP: 0033:0x7f869ba6eb5f [ 301.638119][ T2888] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 301.658456][ T2888] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 301.667049][ T2888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 301.675024][ T2888] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 301.683414][ T2888] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 301.691567][ T2888] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 301.699535][ T2888] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 301.709150][ T2879] CPU: 0 PID: 2879 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 301.719686][ T2879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 301.729906][ T2879] Call Trace: [ 301.733456][ T2879] dump_stack_lvl+0x1e2/0x24b [ 301.738120][ T2879] ? bfq_pos_tree_add_move+0x43e/0x43e [ 301.743651][ T2879] ? vsnprintf+0x1fa/0x1cd0 [ 301.748334][ T2879] dump_stack+0x15/0x17 [ 301.752649][ T2879] should_fail+0x3c0/0x510 [ 301.757052][ T2879] should_fail_usercopy+0x1a/0x20 [ 301.762337][ T2879] _copy_from_user+0x20/0xd0 [ 301.766949][ T2879] kstrtouint_from_user+0xd7/0x2b0 [ 301.772127][ T2879] ? kstrtol_from_user+0x310/0x310 [ 301.777395][ T2879] ? snprintf+0xd6/0x120 [ 301.781734][ T2879] ? avc_policy_seqno+0x1b/0x70 [ 301.786565][ T2879] ? selinux_file_permission+0x2a9/0x520 [ 301.792483][ T2879] proc_fail_nth_write+0xa5/0x290 [ 301.797760][ T2879] ? security_file_permission+0x9d/0xc0 [ 301.803377][ T2879] ? proc_fail_nth_read+0x220/0x220 [ 301.809006][ T2879] ? security_file_permission+0xa8/0xc0 [ 301.814656][ T2879] ? rw_verify_area+0x1c2/0x360 [ 301.819511][ T2879] ? proc_fail_nth_read+0x220/0x220 [ 301.824712][ T2879] vfs_write+0x39b/0xf80 [ 301.829136][ T2879] ? kernel_write+0x420/0x420 [ 301.834074][ T2879] ? __kasan_check_write+0x14/0x20 [ 301.839514][ T2879] ? mutex_lock+0xb2/0x1e0 [ 301.844179][ T2879] ? mutex_trylock+0x180/0x180 [ 301.848950][ T2879] ? __fdget_pos+0x26d/0x310 [ 301.853520][ T2879] ? ksys_write+0x77/0x2c0 [ 301.858103][ T2879] ksys_write+0x198/0x2c0 [ 301.862497][ T2879] ? __kasan_check_write+0x14/0x20 [ 301.867759][ T2879] ? __ia32_sys_read+0x90/0x90 [ 301.872613][ T2879] ? debug_smp_processor_id+0x17/0x20 [ 301.877972][ T2879] __x64_sys_write+0x7b/0x90 [ 301.882817][ T2879] do_syscall_64+0x34/0x70 [ 301.887404][ T2879] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 301.893281][ T2879] RIP: 0033:0x7f022ab05b5f [ 301.897852][ T2879] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 301.917894][ T2879] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 301.926828][ T2879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 301.934964][ T2879] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 301.943108][ T2879] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 301.951076][ T2879] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 301.959288][ T2879] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 301.970820][ T2889] CPU: 1 PID: 2889 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 301.981686][ T2889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 301.992013][ T2889] Call Trace: [ 301.995313][ T2889] dump_stack_lvl+0x1e2/0x24b [ 301.999983][ T2889] ? bfq_pos_tree_add_move+0x43e/0x43e [ 302.006405][ T2889] ? vsnprintf+0x1fa/0x1cd0 [ 302.011481][ T2889] dump_stack+0x15/0x17 [ 302.016163][ T2889] should_fail+0x3c0/0x510 [ 302.020652][ T2889] should_fail_usercopy+0x1a/0x20 [ 302.025844][ T2889] _copy_from_user+0x20/0xd0 [ 302.030858][ T2889] kstrtouint_from_user+0xd7/0x2b0 [ 302.036046][ T2889] ? kstrtol_from_user+0x310/0x310 [ 302.041659][ T2889] ? snprintf+0xd6/0x120 [ 302.046077][ T2889] ? avc_policy_seqno+0x1b/0x70 [ 302.050937][ T2889] ? selinux_file_permission+0x2a9/0x520 [ 302.056679][ T2889] proc_fail_nth_write+0xa5/0x290 [ 302.062001][ T2889] ? security_file_permission+0x9d/0xc0 [ 302.068017][ T2889] ? proc_fail_nth_read+0x220/0x220 [ 302.073404][ T2889] ? security_file_permission+0xa8/0xc0 [ 302.079618][ T2889] ? rw_verify_area+0x1c2/0x360 [ 302.084739][ T2889] ? proc_fail_nth_read+0x220/0x220 [ 302.090106][ T2889] vfs_write+0x39b/0xf80 [ 302.094623][ T2889] ? kernel_write+0x420/0x420 [ 302.099592][ T2889] ? __kasan_check_write+0x14/0x20 [ 302.105334][ T2889] ? mutex_lock+0xb2/0x1e0 [ 302.110201][ T2889] ? mutex_trylock+0x180/0x180 [ 302.115215][ T2889] ? __fdget_pos+0x26d/0x310 [ 302.120046][ T2889] ? ksys_write+0x77/0x2c0 [ 302.124791][ T2889] ksys_write+0x198/0x2c0 [ 302.129121][ T2889] ? __kasan_check_write+0x14/0x20 [ 302.134397][ T2889] ? __ia32_sys_read+0x90/0x90 [ 302.139593][ T2889] ? debug_smp_processor_id+0x17/0x20 [ 302.145359][ T2889] __x64_sys_write+0x7b/0x90 [ 302.149941][ T2889] do_syscall_64+0x34/0x70 [ 302.155072][ T2889] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 302.161866][ T2889] RIP: 0033:0x7f7d1c31ab5f [ 302.166297][ T2889] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 302.186863][ T2889] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 302.195351][ T2889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 302.203414][ T2889] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 302.211549][ T2889] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 302.219811][ T2889] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 302.227969][ T2889] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 302.236421][ T2891] CPU: 0 PID: 2891 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 302.247530][ T2891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 302.257936][ T2891] Call Trace: [ 302.261304][ T2891] dump_stack_lvl+0x1e2/0x24b [ 302.266048][ T2891] ? panic+0x7d7/0x7d7 [ 302.270588][ T2891] ? bfq_pos_tree_add_move+0x43e/0x43e [ 302.276151][ T2891] ? find_next_bit+0xd6/0x120 [ 302.280886][ T2891] ? cpumask_next+0x11/0x30 [ 302.285531][ T2891] dump_stack+0x15/0x17 [ 302.289677][ T2891] should_fail+0x3c0/0x510 [ 302.294274][ T2891] ? percpu_ref_init+0xd0/0x340 [ 302.299196][ T2891] __should_failslab+0x9f/0xe0 [ 302.303938][ T2891] should_failslab+0x9/0x20 [ 302.308454][ T2891] kmem_cache_alloc_trace+0x3a/0x330 [ 302.313823][ T2891] percpu_ref_init+0xd0/0x340 [ 302.318583][ T2891] ? cgroup_setup_root+0xea0/0xea0 [ 302.323971][ T2891] cgroup_apply_control_enable+0x3a2/0x12f0 [ 302.329860][ T2891] ? cgroup_reconfigure+0xe0/0xe0 [ 302.334865][ T2891] cgroup_apply_control+0x8e/0x7e0 [ 302.340051][ T2891] ? css_next_child+0x160/0x160 [ 302.345088][ T2891] ? io_schedule+0x120/0x120 [ 302.349681][ T2891] ? kernfs_fop_write_iter+0x15e/0x410 [ 302.356050][ T2891] ? __kasan_check_write+0x14/0x20 [ 302.361439][ T2891] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 302.366727][ T2891] cgroup_subtree_control_write+0xd19/0x1310 [ 302.372865][ T2891] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 302.379341][ T2891] ? __kasan_check_write+0x14/0x20 [ 302.384435][ T2891] ? _copy_from_iter+0x3fb/0xd60 [ 302.389350][ T2891] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 302.396496][ T2891] cgroup_file_write+0x28e/0x590 [ 302.402405][ T2891] ? cgroup_seqfile_stop+0xc0/0xc0 [ 302.408314][ T2891] ? mutex_trylock+0x180/0x180 [ 302.413152][ T2891] ? __kasan_check_write+0x14/0x20 [ 302.418828][ T2891] kernfs_fop_write_iter+0x2d0/0x410 [ 302.424352][ T2891] ? cgroup_seqfile_stop+0xc0/0xc0 [ 302.429701][ T2891] vfs_write+0xc4a/0xf80 [ 302.433924][ T2891] ? kernel_write+0x420/0x420 [ 302.438686][ T2891] ? mutex_lock+0xb2/0x1e0 [ 302.443106][ T2891] ? mutex_trylock+0x180/0x180 [ 302.448042][ T2891] ? __fdget_pos+0x26d/0x310 [ 302.453101][ T2891] ? ksys_write+0x77/0x2c0 [ 302.457678][ T2891] ksys_write+0x198/0x2c0 [ 302.461993][ T2891] ? __ia32_sys_read+0x90/0x90 [ 302.466880][ T2891] ? debug_smp_processor_id+0x17/0x20 [ 302.472508][ T2891] __x64_sys_write+0x7b/0x90 [ 302.477425][ T2891] do_syscall_64+0x34/0x70 [ 302.481904][ T2891] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 302.487772][ T2891] RIP: 0033:0x7f85191c4049 [ 302.492628][ T2891] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 302.512604][ T2891] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 302.521260][ T2891] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 302.529220][ T2891] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 302.537521][ T2891] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 302.545658][ T2891] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 302.553979][ T2891] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 302.562981][ T2883] CPU: 0 PID: 2883 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 302.573406][ T2883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 302.583651][ T2883] Call Trace: [ 302.587038][ T2883] dump_stack_lvl+0x1e2/0x24b [ 302.591746][ T2883] ? bfq_pos_tree_add_move+0x43e/0x43e [ 302.597179][ T2883] ? vsnprintf+0x1fa/0x1cd0 [ 302.601657][ T2883] dump_stack+0x15/0x17 [ 302.605881][ T2883] should_fail+0x3c0/0x510 [ 302.610279][ T2883] should_fail_usercopy+0x1a/0x20 [ 302.615374][ T2883] _copy_from_user+0x20/0xd0 [ 302.620309][ T2883] kstrtouint_from_user+0xd7/0x2b0 [ 302.625754][ T2883] ? kstrtol_from_user+0x310/0x310 [ 302.630847][ T2883] ? snprintf+0xd6/0x120 [ 302.635175][ T2883] ? avc_policy_seqno+0x1b/0x70 [ 302.640091][ T2883] ? selinux_file_permission+0x2a9/0x520 [ 302.645763][ T2883] proc_fail_nth_write+0xa5/0x290 [ 302.650857][ T2883] ? security_file_permission+0x9d/0xc0 [ 302.656462][ T2883] ? proc_fail_nth_read+0x220/0x220 [ 302.661751][ T2883] ? security_file_permission+0xa8/0xc0 [ 302.667905][ T2883] ? rw_verify_area+0x1c2/0x360 [ 302.673027][ T2883] ? proc_fail_nth_read+0x220/0x220 [ 302.678287][ T2883] vfs_write+0x39b/0xf80 [ 302.682534][ T2883] ? kernel_write+0x420/0x420 [ 302.687286][ T2883] ? __kasan_check_write+0x14/0x20 [ 302.692484][ T2883] ? mutex_lock+0xb2/0x1e0 [ 302.696989][ T2883] ? mutex_trylock+0x180/0x180 [ 302.701926][ T2883] ? __fdget_pos+0x26d/0x310 [ 302.708242][ T2883] ? ksys_write+0x77/0x2c0 [ 302.712734][ T2883] ksys_write+0x198/0x2c0 [ 302.717172][ T2883] ? __kasan_check_write+0x14/0x20 [ 302.722432][ T2883] ? __ia32_sys_read+0x90/0x90 [ 302.727171][ T2883] ? debug_smp_processor_id+0x17/0x20 [ 302.734106][ T2883] __x64_sys_write+0x7b/0x90 [ 302.738746][ T2883] do_syscall_64+0x34/0x70 [ 302.743337][ T2883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 302.749201][ T2883] RIP: 0033:0x7faa22393b5f [ 302.753929][ T2883] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 302.773950][ T2883] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 302.782527][ T2883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 302.790760][ T2883] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 302.798814][ T2883] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 302.806947][ T2883] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 302.815068][ T2883] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 302.835835][ T2893] FAULT_INJECTION: forcing a failure. [ 302.835835][ T2893] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.847452][ T2897] FAULT_INJECTION: forcing a failure. [ 302.847452][ T2897] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.854619][ T2895] FAULT_INJECTION: forcing a failure. [ 302.854619][ T2895] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.862595][ T2897] CPU: 0 PID: 2897 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 302.878029][ T2900] FAULT_INJECTION: forcing a failure. [ 302.878029][ T2900] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.885815][ T2897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 302.885819][ T2897] Call Trace: [ 302.885837][ T2897] dump_stack_lvl+0x1e2/0x24b [ 302.885848][ T2897] ? bfq_pos_tree_add_move+0x43e/0x43e [ 302.885866][ T2897] ? vsnprintf+0x1fa/0x1cd0 [ 302.901593][ T2902] FAULT_INJECTION: forcing a failure. [ 302.901593][ T2902] name failslab, interval 1, probability 0, space 0, times 0 [ 302.910019][ T2897] dump_stack+0x15/0x17 [ 302.910031][ T2897] should_fail+0x3c0/0x510 [ 302.910040][ T2897] should_fail_usercopy+0x1a/0x20 [ 302.910049][ T2897] _copy_from_user+0x20/0xd0 [ 302.910059][ T2897] kstrtouint_from_user+0xd7/0x2b0 [ 302.910068][ T2897] ? kstrtol_from_user+0x310/0x310 [ 302.910077][ T2897] ? snprintf+0xd6/0x120 [ 302.910087][ T2897] ? avc_policy_seqno+0x1b/0x70 [ 302.910105][ T2897] ? selinux_file_permission+0x2a9/0x520 [ 302.984712][ T2897] proc_fail_nth_write+0xa5/0x290 [ 302.989729][ T2897] ? security_file_permission+0x9d/0xc0 [ 302.995359][ T2897] ? proc_fail_nth_read+0x220/0x220 [ 303.000751][ T2897] ? security_file_permission+0xa8/0xc0 [ 303.006561][ T2897] ? rw_verify_area+0x1c2/0x360 [ 303.011401][ T2897] ? proc_fail_nth_read+0x220/0x220 [ 303.016706][ T2897] vfs_write+0x39b/0xf80 [ 303.020942][ T2897] ? kernel_write+0x420/0x420 [ 303.025630][ T2897] ? __kasan_check_write+0x14/0x20 [ 303.030825][ T2897] ? mutex_lock+0xb2/0x1e0 [ 303.035235][ T2897] ? mutex_trylock+0x180/0x180 [ 303.039995][ T2897] ? __fdget_pos+0x26d/0x310 [ 303.044689][ T2897] ? ksys_write+0x77/0x2c0 [ 303.049172][ T2897] ksys_write+0x198/0x2c0 [ 303.053485][ T2897] ? __ia32_sys_read+0x90/0x90 [ 303.058325][ T2897] ? debug_smp_processor_id+0x17/0x20 [ 303.063766][ T2897] __x64_sys_write+0x7b/0x90 [ 303.068705][ T2897] do_syscall_64+0x34/0x70 [ 303.073119][ T2897] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 303.079022][ T2897] RIP: 0033:0x7f022ab05b5f [ 303.083475][ T2897] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 303.103666][ T2897] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 303.112066][ T2897] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 303.120473][ T2897] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 303.128605][ T2897] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 303.136564][ T2897] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 303.145179][ T2897] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 303.153164][ T2895] CPU: 1 PID: 2895 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 303.163590][ T2895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 303.174082][ T2895] Call Trace: [ 303.177387][ T2895] dump_stack_lvl+0x1e2/0x24b [ 303.182149][ T2895] ? bfq_pos_tree_add_move+0x43e/0x43e [ 303.187589][ T2895] ? vsnprintf+0x1fa/0x1cd0 [ 303.192175][ T2895] dump_stack+0x15/0x17 [ 303.196594][ T2895] should_fail+0x3c0/0x510 [ 303.201198][ T2895] should_fail_usercopy+0x1a/0x20 [ 303.206582][ T2895] _copy_from_user+0x20/0xd0 [ 303.211188][ T2895] kstrtouint_from_user+0xd7/0x2b0 [ 303.216311][ T2895] ? kstrtol_from_user+0x310/0x310 [ 303.221402][ T2895] ? snprintf+0xd6/0x120 [ 303.225818][ T2895] ? avc_policy_seqno+0x1b/0x70 [ 303.230775][ T2895] ? selinux_file_permission+0x2a9/0x520 [ 303.236411][ T2895] proc_fail_nth_write+0xa5/0x290 [ 303.241505][ T2895] ? security_file_permission+0x9d/0xc0 [ 303.247299][ T2895] ? proc_fail_nth_read+0x220/0x220 [ 303.252487][ T2895] ? security_file_permission+0xa8/0xc0 [ 303.258197][ T2895] ? rw_verify_area+0x1c2/0x360 [ 303.263031][ T2895] ? proc_fail_nth_read+0x220/0x220 [ 303.268560][ T2895] vfs_write+0x39b/0xf80 [ 303.272903][ T2895] ? kernel_write+0x420/0x420 [ 303.277562][ T2895] ? __kasan_check_write+0x14/0x20 [ 303.282738][ T2895] ? mutex_lock+0xb2/0x1e0 [ 303.287135][ T2895] ? mutex_trylock+0x180/0x180 [ 303.291992][ T2895] ? __fdget_pos+0x26d/0x310 [ 303.296578][ T2895] ? ksys_write+0x77/0x2c0 [ 303.300984][ T2895] ksys_write+0x198/0x2c0 [ 303.305293][ T2895] ? __kasan_check_write+0x14/0x20 [ 303.310562][ T2895] ? __ia32_sys_read+0x90/0x90 [ 303.315328][ T2895] ? debug_smp_processor_id+0x17/0x20 [ 303.320689][ T2895] __x64_sys_write+0x7b/0x90 [ 303.325372][ T2895] do_syscall_64+0x34/0x70 [ 303.329779][ T2895] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 303.335783][ T2895] RIP: 0033:0x7f7d1c31ab5f [ 303.340391][ T2895] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 303.360366][ T2895] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 303.368854][ T2895] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 303.376935][ T2895] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 303.385116][ T2895] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 303.393175][ T2895] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 303.401496][ T2895] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 303.409587][ T2902] CPU: 0 PID: 2902 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 303.420170][ T2902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 303.430383][ T2902] Call Trace: [ 303.433667][ T2902] dump_stack_lvl+0x1e2/0x24b [ 303.438597][ T2902] ? panic+0x7d7/0x7d7 [ 303.442669][ T2902] ? bfq_pos_tree_add_move+0x43e/0x43e [ 303.448112][ T2902] ? find_next_bit+0xd6/0x120 [ 303.453056][ T2902] ? cpumask_next+0x11/0x30 [ 303.457560][ T2902] dump_stack+0x15/0x17 [ 303.461758][ T2902] should_fail+0x3c0/0x510 [ 303.466177][ T2902] ? percpu_ref_init+0xd0/0x340 [ 303.471283][ T2902] __should_failslab+0x9f/0xe0 [ 303.476880][ T2902] should_failslab+0x9/0x20 [ 303.481601][ T2902] kmem_cache_alloc_trace+0x3a/0x330 [ 303.487228][ T2902] percpu_ref_init+0xd0/0x340 [ 303.492171][ T2902] ? cgroup_setup_root+0xea0/0xea0 [ 303.497435][ T2902] cgroup_apply_control_enable+0x3a2/0x12f0 [ 303.503708][ T2902] ? cgroup_reconfigure+0xe0/0xe0 [ 303.509071][ T2902] cgroup_apply_control+0x8e/0x7e0 [ 303.514274][ T2902] ? css_next_child+0x160/0x160 [ 303.519112][ T2902] ? io_schedule+0x120/0x120 [ 303.523780][ T2902] ? kernfs_fop_write_iter+0x15e/0x410 [ 303.529403][ T2902] ? __kasan_check_write+0x14/0x20 [ 303.534778][ T2902] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 303.540049][ T2902] cgroup_subtree_control_write+0xd19/0x1310 [ 303.546212][ T2902] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 303.552173][ T2902] ? __kasan_check_write+0x14/0x20 [ 303.557699][ T2902] ? _copy_from_iter+0x3fb/0xd60 [ 303.563750][ T2902] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 303.569745][ T2902] cgroup_file_write+0x28e/0x590 [ 303.574689][ T2902] ? cgroup_seqfile_stop+0xc0/0xc0 [ 303.580005][ T2902] ? mutex_trylock+0x180/0x180 [ 303.584760][ T2902] ? __kasan_check_write+0x14/0x20 [ 303.589855][ T2902] kernfs_fop_write_iter+0x2d0/0x410 [ 303.595231][ T2902] ? cgroup_seqfile_stop+0xc0/0xc0 [ 303.600323][ T2902] vfs_write+0xc4a/0xf80 [ 303.604652][ T2902] ? kernel_write+0x420/0x420 [ 303.609401][ T2902] ? mutex_lock+0xb2/0x1e0 [ 303.613975][ T2902] ? mutex_trylock+0x180/0x180 [ 303.618721][ T2902] ? __fdget_pos+0x26d/0x310 [ 303.623289][ T2902] ? ksys_write+0x77/0x2c0 [ 303.627840][ T2902] ksys_write+0x198/0x2c0 [ 303.632155][ T2902] ? __ia32_sys_read+0x90/0x90 [ 303.636930][ T2902] ? debug_smp_processor_id+0x17/0x20 [ 303.642298][ T2902] __x64_sys_write+0x7b/0x90 [ 303.647011][ T2902] do_syscall_64+0x34/0x70 [ 303.651597][ T2902] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 303.657661][ T2902] RIP: 0033:0x7f85191c4049 [ 303.662060][ T2902] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 303.682002][ T2902] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 303.690664][ T2902] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 303.698800][ T2902] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 303.706863][ T2902] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 303.714826][ T2902] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 303.723567][ T2902] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 303.731750][ T2900] CPU: 1 PID: 2900 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 303.742263][ T2900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 303.752292][ T2900] Call Trace: [ 303.755580][ T2900] dump_stack_lvl+0x1e2/0x24b [ 303.760407][ T2900] ? bfq_pos_tree_add_move+0x43e/0x43e [ 303.766187][ T2900] ? vsnprintf+0x1fa/0x1cd0 [ 303.770773][ T2900] dump_stack+0x15/0x17 [ 303.775008][ T2900] should_fail+0x3c0/0x510 [ 303.779402][ T2900] should_fail_usercopy+0x1a/0x20 [ 303.784582][ T2900] _copy_from_user+0x20/0xd0 [ 303.789240][ T2900] kstrtouint_from_user+0xd7/0x2b0 [ 303.794415][ T2900] ? kstrtol_from_user+0x310/0x310 [ 303.799941][ T2900] ? snprintf+0xd6/0x120 [ 303.804161][ T2900] ? avc_policy_seqno+0x1b/0x70 [ 303.809098][ T2900] ? selinux_file_permission+0x2a9/0x520 [ 303.814720][ T2900] proc_fail_nth_write+0xa5/0x290 [ 303.819728][ T2900] ? security_file_permission+0x9d/0xc0 [ 303.825780][ T2900] ? proc_fail_nth_read+0x220/0x220 [ 303.831051][ T2900] ? security_file_permission+0xa8/0xc0 [ 303.836588][ T2900] ? rw_verify_area+0x1c2/0x360 [ 303.841414][ T2900] ? proc_fail_nth_read+0x220/0x220 [ 303.846825][ T2900] vfs_write+0x39b/0xf80 [ 303.851071][ T2900] ? kernel_write+0x420/0x420 [ 303.859663][ T2900] ? __kasan_check_write+0x14/0x20 [ 303.864849][ T2900] ? mutex_lock+0xb2/0x1e0 [ 303.869251][ T2900] ? mutex_trylock+0x180/0x180 [ 303.873993][ T2900] ? __fdget_pos+0x26d/0x310 [ 303.878584][ T2900] ? ksys_write+0x77/0x2c0 [ 303.883025][ T2900] ksys_write+0x198/0x2c0 [ 303.887430][ T2900] ? __ia32_sys_read+0x90/0x90 [ 303.892175][ T2900] ? debug_smp_processor_id+0x17/0x20 [ 303.897633][ T2900] __x64_sys_write+0x7b/0x90 [ 303.902208][ T2900] do_syscall_64+0x34/0x70 [ 303.906608][ T2900] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 303.912477][ T2900] RIP: 0033:0x7f869ba6eb5f [ 303.917142][ T2900] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 303.938380][ T2900] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 303.946792][ T2900] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 303.954832][ T2900] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 303.962779][ T2900] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 303.970747][ T2900] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 303.979048][ T2900] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 303.987880][ T2903] FAULT_INJECTION: forcing a failure. [ 303.987880][ T2903] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.006690][ T2893] CPU: 0 PID: 2893 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 304.017209][ T2893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 304.027408][ T2893] Call Trace: [ 304.030690][ T2893] dump_stack_lvl+0x1e2/0x24b [ 304.035539][ T2893] ? bfq_pos_tree_add_move+0x43e/0x43e [ 304.041214][ T2893] ? vsnprintf+0x1fa/0x1cd0 [ 304.045720][ T2893] dump_stack+0x15/0x17 [ 304.050085][ T2893] should_fail+0x3c0/0x510 [ 304.054512][ T2893] should_fail_usercopy+0x1a/0x20 [ 304.059544][ T2893] _copy_from_user+0x20/0xd0 [ 304.064123][ T2893] kstrtouint_from_user+0xd7/0x2b0 [ 304.069382][ T2893] ? kstrtol_from_user+0x310/0x310 [ 304.074927][ T2893] ? snprintf+0xd6/0x120 [ 304.079168][ T2893] ? avc_policy_seqno+0x1b/0x70 [ 304.084238][ T2893] ? selinux_file_permission+0x2a9/0x520 [ 304.090048][ T2893] proc_fail_nth_write+0xa5/0x290 [ 304.095770][ T2893] ? security_file_permission+0x9d/0xc0 [ 304.102353][ T2893] ? proc_fail_nth_read+0x220/0x220 [ 304.107832][ T2893] ? security_file_permission+0xa8/0xc0 [ 304.113735][ T2893] ? rw_verify_area+0x1c2/0x360 [ 304.118785][ T2893] ? proc_fail_nth_read+0x220/0x220 [ 304.124242][ T2893] vfs_write+0x39b/0xf80 [ 304.128591][ T2893] ? kernel_write+0x420/0x420 [ 304.133298][ T2893] ? __kasan_check_write+0x14/0x20 [ 304.137498][ T2908] FAULT_INJECTION: forcing a failure. [ 304.137498][ T2908] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.138498][ T2893] ? mutex_lock+0xb2/0x1e0 [ 304.138507][ T2893] ? mutex_trylock+0x180/0x180 [ 304.138519][ T2893] ? __fdget_pos+0x26d/0x310 [ 304.138537][ T2893] ? ksys_write+0x77/0x2c0 [ 304.170181][ T2893] ksys_write+0x198/0x2c0 [ 304.174723][ T2893] ? __kasan_check_write+0x14/0x20 [ 304.179923][ T2893] ? __ia32_sys_read+0x90/0x90 [ 304.184940][ T2893] ? debug_smp_processor_id+0x17/0x20 [ 304.190389][ T2893] __x64_sys_write+0x7b/0x90 [ 304.195349][ T2893] do_syscall_64+0x34/0x70 [ 304.195438][ T2905] FAULT_INJECTION: forcing a failure. [ 304.195438][ T2905] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.199948][ T2893] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 304.199957][ T2893] RIP: 0033:0x7f6ebe0d0b5f [ 304.199973][ T2893] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 304.243960][ T2893] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 304.252660][ T2893] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 304.260798][ T2893] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 304.269996][ T2893] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 304.277954][ T2893] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 304.287209][ T2893] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 304.295291][ T2903] CPU: 1 PID: 2903 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 304.306066][ T2903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 304.316994][ T2903] Call Trace: [ 304.320297][ T2903] dump_stack_lvl+0x1e2/0x24b [ 304.325945][ T2903] ? bfq_pos_tree_add_move+0x43e/0x43e [ 304.331746][ T2903] ? vsnprintf+0x1fa/0x1cd0 [ 304.336331][ T2903] dump_stack+0x15/0x17 [ 304.340462][ T2903] should_fail+0x3c0/0x510 [ 304.344867][ T2903] should_fail_usercopy+0x1a/0x20 [ 304.349871][ T2903] _copy_from_user+0x20/0xd0 [ 304.354534][ T2903] kstrtouint_from_user+0xd7/0x2b0 [ 304.359748][ T2903] ? kstrtol_from_user+0x310/0x310 [ 304.364933][ T2903] ? snprintf+0xd6/0x120 [ 304.369333][ T2903] ? avc_policy_seqno+0x1b/0x70 [ 304.374432][ T2903] ? selinux_file_permission+0x2a9/0x520 [ 304.380321][ T2903] proc_fail_nth_write+0xa5/0x290 [ 304.385590][ T2903] ? security_file_permission+0x9d/0xc0 [ 304.391198][ T2903] ? proc_fail_nth_read+0x220/0x220 [ 304.397010][ T2903] ? security_file_permission+0xa8/0xc0 [ 304.403135][ T2903] ? rw_verify_area+0x1c2/0x360 [ 304.407990][ T2903] ? proc_fail_nth_read+0x220/0x220 [ 304.413175][ T2903] vfs_write+0x39b/0xf80 [ 304.417394][ T2903] ? kernel_write+0x420/0x420 [ 304.422148][ T2903] ? __kasan_check_write+0x14/0x20 [ 304.427246][ T2903] ? mutex_lock+0xb2/0x1e0 [ 304.431839][ T2903] ? mutex_trylock+0x180/0x180 [ 304.436882][ T2903] ? __fdget_pos+0x26d/0x310 [ 304.441446][ T2903] ? ksys_write+0x77/0x2c0 [ 304.446326][ T2903] ksys_write+0x198/0x2c0 [ 304.450839][ T2903] ? __kasan_check_write+0x14/0x20 [ 304.456273][ T2903] ? __ia32_sys_read+0x90/0x90 [ 304.461210][ T2903] ? debug_smp_processor_id+0x17/0x20 [ 304.466664][ T2903] __x64_sys_write+0x7b/0x90 [ 304.471266][ T2903] do_syscall_64+0x34/0x70 [ 304.476018][ T2903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 304.482518][ T2903] RIP: 0033:0x7faa22393b5f [ 304.487463][ T2903] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 304.508393][ T2903] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 304.516880][ T2903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 304.525110][ T2903] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 304.533162][ T2903] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 304.541205][ T2903] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 304.549177][ T2903] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 304.560692][ T2910] FAULT_INJECTION: forcing a failure. [ 304.560692][ T2910] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.564561][ T2908] CPU: 1 PID: 2908 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 304.584753][ T2908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 304.595144][ T2908] Call Trace: [ 304.598506][ T2908] dump_stack_lvl+0x1e2/0x24b [ 304.603445][ T2908] ? bfq_pos_tree_add_move+0x43e/0x43e [ 304.609427][ T2908] ? vsnprintf+0x1fa/0x1cd0 [ 304.614018][ T2908] dump_stack+0x15/0x17 [ 304.618765][ T2908] should_fail+0x3c0/0x510 [ 304.623235][ T2908] should_fail_usercopy+0x1a/0x20 [ 304.628461][ T2908] _copy_from_user+0x20/0xd0 [ 304.633091][ T2908] kstrtouint_from_user+0xd7/0x2b0 [ 304.638230][ T2908] ? kstrtol_from_user+0x310/0x310 [ 304.643421][ T2908] ? snprintf+0xd6/0x120 [ 304.647736][ T2908] ? avc_policy_seqno+0x1b/0x70 [ 304.653023][ T2908] ? selinux_file_permission+0x2a9/0x520 [ 304.658763][ T2908] proc_fail_nth_write+0xa5/0x290 [ 304.663772][ T2908] ? security_file_permission+0x9d/0xc0 [ 304.669689][ T2908] ? proc_fail_nth_read+0x220/0x220 [ 304.674879][ T2908] ? security_file_permission+0xa8/0xc0 [ 304.680413][ T2908] ? rw_verify_area+0x1c2/0x360 [ 304.685511][ T2908] ? proc_fail_nth_read+0x220/0x220 [ 304.690703][ T2908] vfs_write+0x39b/0xf80 [ 304.695329][ T2908] ? kernel_write+0x420/0x420 [ 304.700107][ T2908] ? __kasan_check_write+0x14/0x20 [ 304.705553][ T2908] ? mutex_lock+0xb2/0x1e0 [ 304.710573][ T2908] ? mutex_trylock+0x180/0x180 [ 304.715370][ T2908] ? __fdget_pos+0x26d/0x310 [ 304.720151][ T2908] ? ksys_write+0x77/0x2c0 [ 304.725175][ T2908] ksys_write+0x198/0x2c0 [ 304.729603][ T2908] ? __ia32_sys_read+0x90/0x90 [ 304.734731][ T2908] ? debug_smp_processor_id+0x17/0x20 [ 304.740315][ T2908] __x64_sys_write+0x7b/0x90 [ 304.744974][ T2908] do_syscall_64+0x34/0x70 [ 304.749733][ T2908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 304.755891][ T2908] RIP: 0033:0x7f7d1c31ab5f [ 304.760728][ T2908] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 304.781207][ T2908] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 304.789693][ T2908] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 304.798893][ T2908] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 304.807144][ T2908] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 304.815107][ T2908] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 304.823289][ T2908] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 304.831538][ T2910] CPU: 0 PID: 2910 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 304.843611][ T2910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 304.854082][ T2910] Call Trace: [ 304.855018][ T2913] FAULT_INJECTION: forcing a failure. [ 304.855018][ T2913] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.857458][ T2910] dump_stack_lvl+0x1e2/0x24b [ 304.857479][ T2910] ? bfq_pos_tree_add_move+0x43e/0x43e [ 304.882242][ T2910] ? vsnprintf+0x1fa/0x1cd0 [ 304.887348][ T2910] dump_stack+0x15/0x17 [ 304.891672][ T2910] should_fail+0x3c0/0x510 [ 304.896340][ T2910] should_fail_usercopy+0x1a/0x20 [ 304.901470][ T2910] _copy_from_user+0x20/0xd0 [ 304.906463][ T2910] kstrtouint_from_user+0xd7/0x2b0 [ 304.911837][ T2910] ? kstrtol_from_user+0x310/0x310 [ 304.917084][ T2910] ? snprintf+0xd6/0x120 [ 304.921594][ T2910] ? avc_policy_seqno+0x1b/0x70 [ 304.926529][ T2910] ? selinux_file_permission+0x2a9/0x520 [ 304.932172][ T2910] proc_fail_nth_write+0xa5/0x290 [ 304.937283][ T2910] ? security_file_permission+0x9d/0xc0 [ 304.937912][ T2915] FAULT_INJECTION: forcing a failure. [ 304.937912][ T2915] name failslab, interval 1, probability 0, space 0, times 0 [ 304.942946][ T2910] ? proc_fail_nth_read+0x220/0x220 [ 304.942957][ T2910] ? security_file_permission+0xa8/0xc0 [ 304.942977][ T2910] ? rw_verify_area+0x1c2/0x360 [ 304.973156][ T2910] ? proc_fail_nth_read+0x220/0x220 [ 304.978825][ T2910] vfs_write+0x39b/0xf80 [ 304.983144][ T2910] ? kernel_write+0x420/0x420 [ 304.987923][ T2910] ? __kasan_check_write+0x14/0x20 [ 304.993037][ T2910] ? mutex_lock+0xb2/0x1e0 [ 304.997832][ T2910] ? mutex_trylock+0x180/0x180 [ 305.002802][ T2910] ? __fdget_pos+0x26d/0x310 [ 305.007649][ T2910] ? ksys_write+0x77/0x2c0 [ 305.012781][ T2910] ksys_write+0x198/0x2c0 [ 305.017203][ T2910] ? __ia32_sys_read+0x90/0x90 [ 305.022673][ T2910] ? debug_smp_processor_id+0x17/0x20 [ 305.029110][ T2910] __x64_sys_write+0x7b/0x90 [ 305.034179][ T2910] do_syscall_64+0x34/0x70 [ 305.038895][ T2910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 305.045316][ T2910] RIP: 0033:0x7f869ba6eb5f [ 305.050337][ T2910] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 305.071975][ T2910] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 305.081342][ T2910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 305.089583][ T2910] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 305.098450][ T2910] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 305.107330][ T2910] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 305.115518][ T2910] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 305.123743][ T2913] CPU: 1 PID: 2913 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 305.134496][ T2913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 305.145406][ T2913] Call Trace: [ 305.148800][ T2913] dump_stack_lvl+0x1e2/0x24b [ 305.153794][ T2913] ? bfq_pos_tree_add_move+0x43e/0x43e [ 305.159334][ T2913] ? vsnprintf+0x1fa/0x1cd0 [ 305.163841][ T2913] dump_stack+0x15/0x17 [ 305.168071][ T2913] should_fail+0x3c0/0x510 [ 305.172460][ T2913] should_fail_usercopy+0x1a/0x20 [ 305.177459][ T2913] _copy_from_user+0x20/0xd0 [ 305.182117][ T2913] kstrtouint_from_user+0xd7/0x2b0 [ 305.187503][ T2913] ? kstrtol_from_user+0x310/0x310 [ 305.192694][ T2913] ? snprintf+0xd6/0x120 [ 305.197131][ T2913] ? avc_policy_seqno+0x1b/0x70 [ 305.202143][ T2913] ? selinux_file_permission+0x2a9/0x520 [ 305.207759][ T2913] proc_fail_nth_write+0xa5/0x290 [ 305.213019][ T2913] ? security_file_permission+0x9d/0xc0 [ 305.219045][ T2913] ? proc_fail_nth_read+0x220/0x220 [ 305.224256][ T2913] ? security_file_permission+0xa8/0xc0 [ 305.229784][ T2913] ? rw_verify_area+0x1c2/0x360 [ 305.234741][ T2913] ? proc_fail_nth_read+0x220/0x220 [ 305.240219][ T2913] vfs_write+0x39b/0xf80 [ 305.244467][ T2913] ? kernel_write+0x420/0x420 [ 305.249235][ T2913] ? __kasan_check_write+0x14/0x20 [ 305.254540][ T2913] ? mutex_lock+0xb2/0x1e0 [ 305.258954][ T2913] ? mutex_trylock+0x180/0x180 [ 305.263883][ T2913] ? __fdget_pos+0x26d/0x310 [ 305.268806][ T2913] ? ksys_write+0x77/0x2c0 [ 305.273224][ T2913] ksys_write+0x198/0x2c0 [ 305.277594][ T2913] ? __ia32_sys_read+0x90/0x90 [ 305.282649][ T2913] ? debug_smp_processor_id+0x17/0x20 [ 305.288011][ T2913] __x64_sys_write+0x7b/0x90 [ 305.292884][ T2913] do_syscall_64+0x34/0x70 [ 305.297290][ T2913] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 305.303168][ T2913] RIP: 0033:0x7f7d1c31ab5f [ 305.307583][ T2913] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 305.327747][ T2913] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 305.336326][ T2913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 305.346309][ T2913] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 305.354643][ T2913] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 305.362870][ T2913] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 305.371369][ T2913] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 305.385519][ T2905] CPU: 1 PID: 2905 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 305.396363][ T2905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 305.406891][ T2905] Call Trace: [ 305.410370][ T2905] dump_stack_lvl+0x1e2/0x24b [ 305.415667][ T2905] ? bfq_pos_tree_add_move+0x43e/0x43e [ 305.421376][ T2905] ? vsnprintf+0x1fa/0x1cd0 [ 305.425982][ T2905] dump_stack+0x15/0x17 [ 305.430309][ T2905] should_fail+0x3c0/0x510 [ 305.434802][ T2905] should_fail_usercopy+0x1a/0x20 [ 305.440034][ T2905] _copy_from_user+0x20/0xd0 [ 305.444890][ T2905] kstrtouint_from_user+0xd7/0x2b0 [ 305.450162][ T2905] ? kstrtol_from_user+0x310/0x310 [ 305.455518][ T2905] ? snprintf+0xd6/0x120 [ 305.460022][ T2905] ? avc_policy_seqno+0x1b/0x70 [ 305.465081][ T2905] ? selinux_file_permission+0x2a9/0x520 [ 305.470888][ T2905] proc_fail_nth_write+0xa5/0x290 [ 305.476514][ T2905] ? security_file_permission+0x9d/0xc0 [ 305.482606][ T2905] ? proc_fail_nth_read+0x220/0x220 [ 305.488098][ T2905] ? security_file_permission+0xa8/0xc0 [ 305.494894][ T2905] ? rw_verify_area+0x1c2/0x360 [ 305.500702][ T2905] ? proc_fail_nth_read+0x220/0x220 [ 305.505993][ T2905] vfs_write+0x39b/0xf80 [ 305.510320][ T2905] ? kernel_write+0x420/0x420 [ 305.515194][ T2905] ? __kasan_check_write+0x14/0x20 [ 305.520914][ T2905] ? mutex_lock+0xb2/0x1e0 [ 305.525306][ T2905] ? mutex_trylock+0x180/0x180 [ 305.530332][ T2905] ? __fdget_pos+0x26d/0x310 [ 305.535078][ T2905] ? ksys_write+0x77/0x2c0 [ 305.539581][ T2905] ksys_write+0x198/0x2c0 [ 305.544883][ T2905] ? __ia32_sys_read+0x90/0x90 [ 305.549747][ T2905] ? debug_smp_processor_id+0x17/0x20 [ 305.555881][ T2905] __x64_sys_write+0x7b/0x90 [ 305.567484][ T2905] do_syscall_64+0x34/0x70 [ 305.571880][ T2905] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 305.578269][ T2905] RIP: 0033:0x7f022ab05b5f [ 305.583406][ T2905] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 305.603436][ T2905] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 305.612003][ T2905] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 305.619955][ T2905] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 305.628006][ T2905] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 305.636414][ T2905] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 305.644536][ T2905] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 305.654413][ T2915] CPU: 1 PID: 2915 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 305.665122][ T2915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 305.675300][ T2915] Call Trace: [ 305.678952][ T2915] dump_stack_lvl+0x1e2/0x24b [ 305.684263][ T2915] ? panic+0x7d7/0x7d7 [ 305.688499][ T2915] ? bfq_pos_tree_add_move+0x43e/0x43e [ 305.694257][ T2915] ? find_next_bit+0xd6/0x120 [ 305.698909][ T2915] ? cpumask_next+0x11/0x30 [ 305.703476][ T2915] dump_stack+0x15/0x17 [ 305.708039][ T2915] should_fail+0x3c0/0x510 [ 305.712605][ T2915] ? percpu_ref_init+0xd0/0x340 [ 305.717449][ T2915] __should_failslab+0x9f/0xe0 [ 305.722952][ T2915] should_failslab+0x9/0x20 [ 305.727446][ T2915] kmem_cache_alloc_trace+0x3a/0x330 [ 305.732904][ T2915] percpu_ref_init+0xd0/0x340 [ 305.737791][ T2915] ? cgroup_setup_root+0xea0/0xea0 [ 305.743456][ T2915] cgroup_apply_control_enable+0x3a2/0x12f0 [ 305.749721][ T2915] ? cgroup_reconfigure+0xe0/0xe0 [ 305.754829][ T2915] cgroup_apply_control+0x8e/0x7e0 [ 305.760196][ T2915] ? css_next_child+0x160/0x160 [ 305.765036][ T2915] ? io_schedule+0x120/0x120 [ 305.769807][ T2915] ? kernfs_fop_write_iter+0x15e/0x410 [ 305.775372][ T2915] ? __kasan_check_write+0x14/0x20 [ 305.780475][ T2915] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 305.786082][ T2915] cgroup_subtree_control_write+0xd19/0x1310 [ 305.792165][ T2915] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 305.798123][ T2915] ? __kasan_check_write+0x14/0x20 [ 305.803488][ T2915] ? _copy_from_iter+0x3fb/0xd60 [ 305.808666][ T2915] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 305.814882][ T2915] cgroup_file_write+0x28e/0x590 [ 305.820415][ T2915] ? cgroup_seqfile_stop+0xc0/0xc0 [ 305.825936][ T2915] ? mutex_trylock+0x180/0x180 [ 305.830736][ T2915] ? __kasan_check_write+0x14/0x20 [ 305.835925][ T2915] kernfs_fop_write_iter+0x2d0/0x410 [ 305.841206][ T2915] ? cgroup_seqfile_stop+0xc0/0xc0 [ 305.847084][ T2915] vfs_write+0xc4a/0xf80 [ 305.853310][ T2915] ? kernel_write+0x420/0x420 [ 305.858065][ T2915] ? mutex_lock+0xb2/0x1e0 [ 305.863071][ T2915] ? mutex_trylock+0x180/0x180 [ 305.867899][ T2915] ? __fdget_pos+0x26d/0x310 [ 305.872939][ T2915] ? ksys_write+0x77/0x2c0 [ 305.877871][ T2915] ksys_write+0x198/0x2c0 [ 305.882971][ T2915] ? __ia32_sys_read+0x90/0x90 [ 305.888047][ T2915] ? debug_smp_processor_id+0x17/0x20 [ 305.894516][ T2915] __x64_sys_write+0x7b/0x90 [ 305.899311][ T2915] do_syscall_64+0x34/0x70 [ 305.904103][ T2915] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 305.910353][ T2915] RIP: 0033:0x7f85191c4049 [ 305.915362][ T2915] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 305.936417][ T2915] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 305.945009][ T2915] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 305.954008][ T2915] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 305.962478][ T2915] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 305.970785][ T2915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 2022/08/30 17:00:46 executed programs: 1134 [ 305.978750][ T2915] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 305.999566][ T2918] FAULT_INJECTION: forcing a failure. [ 305.999566][ T2918] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.006496][ T2923] FAULT_INJECTION: forcing a failure. [ 306.006496][ T2923] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.014686][ T2918] CPU: 0 PID: 2918 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 306.036952][ T2918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 306.047037][ T2918] Call Trace: [ 306.050339][ T2918] dump_stack_lvl+0x1e2/0x24b [ 306.055000][ T2918] ? bfq_pos_tree_add_move+0x43e/0x43e [ 306.060533][ T2918] ? vsnprintf+0x1fa/0x1cd0 [ 306.065110][ T2918] dump_stack+0x15/0x17 [ 306.069594][ T2918] should_fail+0x3c0/0x510 [ 306.074006][ T2918] should_fail_usercopy+0x1a/0x20 [ 306.079199][ T2918] _copy_from_user+0x20/0xd0 [ 306.084157][ T2918] kstrtouint_from_user+0xd7/0x2b0 [ 306.086867][ T2927] FAULT_INJECTION: forcing a failure. [ 306.086867][ T2927] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.089276][ T2918] ? kstrtol_from_user+0x310/0x310 [ 306.089286][ T2918] ? snprintf+0xd6/0x120 [ 306.089305][ T2918] ? avc_policy_seqno+0x1b/0x70 [ 306.103446][ T2928] FAULT_INJECTION: forcing a failure. [ 306.103446][ T2928] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.108990][ T2918] ? selinux_file_permission+0x2a9/0x520 [ 306.109001][ T2918] proc_fail_nth_write+0xa5/0x290 [ 306.109010][ T2918] ? security_file_permission+0x9d/0xc0 [ 306.109018][ T2918] ? proc_fail_nth_read+0x220/0x220 [ 306.109026][ T2918] ? security_file_permission+0xa8/0xc0 [ 306.109036][ T2918] ? rw_verify_area+0x1c2/0x360 [ 306.109043][ T2918] ? proc_fail_nth_read+0x220/0x220 [ 306.109059][ T2918] vfs_write+0x39b/0xf80 [ 306.175666][ T2918] ? kernel_write+0x420/0x420 [ 306.180643][ T2918] ? __kasan_check_write+0x14/0x20 [ 306.186025][ T2918] ? mutex_lock+0xb2/0x1e0 [ 306.190834][ T2918] ? mutex_trylock+0x180/0x180 [ 306.197507][ T2918] ? __fdget_pos+0x26d/0x310 [ 306.202192][ T2918] ? ksys_write+0x77/0x2c0 [ 306.206600][ T2918] ksys_write+0x198/0x2c0 [ 306.211013][ T2918] ? __kasan_check_write+0x14/0x20 [ 306.216545][ T2918] ? __ia32_sys_read+0x90/0x90 [ 306.221427][ T2918] ? debug_smp_processor_id+0x17/0x20 [ 306.226787][ T2918] __x64_sys_write+0x7b/0x90 [ 306.231375][ T2918] do_syscall_64+0x34/0x70 [ 306.236147][ T2918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 306.242193][ T2918] RIP: 0033:0x7faa22393b5f [ 306.246771][ T2918] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 306.255740][ T2924] FAULT_INJECTION: forcing a failure. [ 306.255740][ T2924] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.266657][ T2918] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 306.266671][ T2918] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 306.266677][ T2918] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 306.266683][ T2918] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 306.266689][ T2918] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 306.266695][ T2918] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 306.268860][ T2930] FAULT_INJECTION: forcing a failure. [ 306.268860][ T2930] name failslab, interval 1, probability 0, space 0, times 0 [ 306.281794][ T2927] CPU: 1 PID: 2927 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 306.351855][ T2927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 306.361984][ T2927] Call Trace: [ 306.365269][ T2927] dump_stack_lvl+0x1e2/0x24b [ 306.369932][ T2927] ? bfq_pos_tree_add_move+0x43e/0x43e [ 306.375565][ T2927] ? vsnprintf+0x1fa/0x1cd0 [ 306.380103][ T2927] dump_stack+0x15/0x17 [ 306.384420][ T2927] should_fail+0x3c0/0x510 [ 306.389008][ T2927] should_fail_usercopy+0x1a/0x20 [ 306.394231][ T2927] _copy_from_user+0x20/0xd0 [ 306.398816][ T2927] kstrtouint_from_user+0xd7/0x2b0 [ 306.404462][ T2927] ? kstrtol_from_user+0x310/0x310 [ 306.409571][ T2927] ? snprintf+0xd6/0x120 [ 306.413828][ T2927] ? avc_policy_seqno+0x1b/0x70 [ 306.418768][ T2927] ? selinux_file_permission+0x2a9/0x520 [ 306.424737][ T2927] proc_fail_nth_write+0xa5/0x290 [ 306.429834][ T2927] ? security_file_permission+0x9d/0xc0 [ 306.435536][ T2927] ? proc_fail_nth_read+0x220/0x220 [ 306.440974][ T2927] ? security_file_permission+0xa8/0xc0 [ 306.446606][ T2927] ? rw_verify_area+0x1c2/0x360 [ 306.451448][ T2927] ? proc_fail_nth_read+0x220/0x220 [ 306.456809][ T2927] vfs_write+0x39b/0xf80 [ 306.461039][ T2927] ? kernel_write+0x420/0x420 [ 306.465900][ T2927] ? __kasan_check_write+0x14/0x20 [ 306.471092][ T2927] ? mutex_lock+0xb2/0x1e0 [ 306.475620][ T2927] ? mutex_trylock+0x180/0x180 [ 306.480819][ T2927] ? __fdget_pos+0x26d/0x310 [ 306.485430][ T2927] ? ksys_write+0x77/0x2c0 [ 306.489829][ T2927] ksys_write+0x198/0x2c0 [ 306.494428][ T2927] ? __ia32_sys_read+0x90/0x90 [ 306.499174][ T2927] ? debug_smp_processor_id+0x17/0x20 [ 306.504718][ T2927] __x64_sys_write+0x7b/0x90 [ 306.509905][ T2927] do_syscall_64+0x34/0x70 [ 306.514412][ T2927] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 306.520665][ T2927] RIP: 0033:0x7f7d1c31ab5f [ 306.526025][ T2927] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 306.545965][ T2927] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 306.554982][ T2927] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 306.562937][ T2927] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 306.571242][ T2927] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 306.579372][ T2927] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 306.587441][ T2927] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 306.595446][ T2930] CPU: 0 PID: 2930 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 306.605794][ T2930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 306.615855][ T2930] Call Trace: [ 306.619135][ T2930] dump_stack_lvl+0x1e2/0x24b [ 306.623846][ T2930] ? panic+0x7d7/0x7d7 [ 306.628086][ T2930] ? bfq_pos_tree_add_move+0x43e/0x43e [ 306.633529][ T2930] ? find_next_bit+0xd6/0x120 [ 306.638651][ T2930] ? cpumask_next+0x11/0x30 [ 306.643971][ T2930] dump_stack+0x15/0x17 [ 306.648219][ T2930] should_fail+0x3c0/0x510 [ 306.652643][ T2930] ? percpu_ref_init+0xd0/0x340 [ 306.658103][ T2930] __should_failslab+0x9f/0xe0 [ 306.663019][ T2930] should_failslab+0x9/0x20 [ 306.667529][ T2930] kmem_cache_alloc_trace+0x3a/0x330 [ 306.672820][ T2930] percpu_ref_init+0xd0/0x340 [ 306.677669][ T2930] ? cgroup_setup_root+0xea0/0xea0 [ 306.682983][ T2930] cgroup_apply_control_enable+0x3a2/0x12f0 [ 306.688980][ T2930] ? cgroup_reconfigure+0xe0/0xe0 [ 306.694639][ T2930] cgroup_apply_control+0x8e/0x7e0 [ 306.700053][ T2930] ? css_next_child+0x160/0x160 [ 306.705001][ T2930] ? io_schedule+0x120/0x120 [ 306.709766][ T2930] ? kernfs_fop_write_iter+0x15e/0x410 [ 306.715426][ T2930] ? __kasan_check_write+0x14/0x20 [ 306.720532][ T2930] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 306.725807][ T2930] cgroup_subtree_control_write+0xd19/0x1310 [ 306.732026][ T2930] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 306.737991][ T2930] ? __kasan_check_write+0x14/0x20 [ 306.743265][ T2930] ? _copy_from_iter+0x3fb/0xd60 [ 306.748307][ T2930] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 306.754566][ T2930] cgroup_file_write+0x28e/0x590 [ 306.759486][ T2930] ? cgroup_seqfile_stop+0xc0/0xc0 [ 306.764768][ T2930] ? mutex_trylock+0x180/0x180 [ 306.769516][ T2930] ? __kasan_check_write+0x14/0x20 [ 306.774622][ T2930] kernfs_fop_write_iter+0x2d0/0x410 [ 306.779977][ T2930] ? cgroup_seqfile_stop+0xc0/0xc0 [ 306.785163][ T2930] vfs_write+0xc4a/0xf80 [ 306.789788][ T2930] ? kernel_write+0x420/0x420 [ 306.794681][ T2930] ? mutex_lock+0xb2/0x1e0 [ 306.799207][ T2930] ? mutex_trylock+0x180/0x180 [ 306.804084][ T2930] ? __fdget_pos+0x26d/0x310 [ 306.809021][ T2930] ? ksys_write+0x77/0x2c0 [ 306.813523][ T2930] ksys_write+0x198/0x2c0 [ 306.818458][ T2930] ? __ia32_sys_read+0x90/0x90 [ 306.823315][ T2930] ? debug_smp_processor_id+0x17/0x20 [ 306.828949][ T2930] __x64_sys_write+0x7b/0x90 [ 306.833771][ T2930] do_syscall_64+0x34/0x70 [ 306.838530][ T2930] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 306.844421][ T2930] RIP: 0033:0x7f85191c4049 [ 306.849093][ T2930] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 306.869378][ T2930] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 306.878112][ T2930] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 306.886161][ T2930] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 306.894250][ T2930] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 306.902580][ T2930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 306.911161][ T2930] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 306.919297][ T2928] CPU: 1 PID: 2928 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 306.929622][ T2928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 306.939671][ T2928] Call Trace: [ 306.942970][ T2928] dump_stack_lvl+0x1e2/0x24b [ 306.947658][ T2928] ? bfq_pos_tree_add_move+0x43e/0x43e [ 306.953120][ T2928] ? vsnprintf+0x1fa/0x1cd0 [ 306.957623][ T2928] dump_stack+0x15/0x17 [ 306.961769][ T2928] should_fail+0x3c0/0x510 [ 306.966343][ T2928] should_fail_usercopy+0x1a/0x20 [ 306.971366][ T2928] _copy_from_user+0x20/0xd0 [ 306.976127][ T2928] kstrtouint_from_user+0xd7/0x2b0 [ 306.981237][ T2928] ? kstrtol_from_user+0x310/0x310 [ 306.986367][ T2928] ? snprintf+0xd6/0x120 [ 306.990693][ T2928] ? avc_policy_seqno+0x1b/0x70 [ 306.995897][ T2928] ? selinux_file_permission+0x2a9/0x520 [ 307.001512][ T2928] proc_fail_nth_write+0xa5/0x290 [ 307.006517][ T2928] ? security_file_permission+0x9d/0xc0 [ 307.012306][ T2928] ? proc_fail_nth_read+0x220/0x220 [ 307.017658][ T2928] ? security_file_permission+0xa8/0xc0 [ 307.023190][ T2928] ? rw_verify_area+0x1c2/0x360 [ 307.029111][ T2928] ? proc_fail_nth_read+0x220/0x220 [ 307.034638][ T2928] vfs_write+0x39b/0xf80 [ 307.038875][ T2928] ? kernel_write+0x420/0x420 [ 307.043601][ T2928] ? __kasan_check_write+0x14/0x20 [ 307.048823][ T2928] ? mutex_lock+0xb2/0x1e0 [ 307.053230][ T2928] ? mutex_trylock+0x180/0x180 [ 307.058065][ T2928] ? __fdget_pos+0x26d/0x310 [ 307.062636][ T2928] ? ksys_write+0x77/0x2c0 [ 307.067208][ T2928] ksys_write+0x198/0x2c0 [ 307.071791][ T2928] ? __ia32_sys_read+0x90/0x90 [ 307.076928][ T2928] ? debug_smp_processor_id+0x17/0x20 [ 307.082281][ T2928] __x64_sys_write+0x7b/0x90 [ 307.086966][ T2928] do_syscall_64+0x34/0x70 [ 307.091382][ T2928] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 307.097342][ T2928] RIP: 0033:0x7f022ab05b5f [ 307.101826][ T2928] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 307.121777][ T2928] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 307.130179][ T2928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 307.138565][ T2928] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 307.146519][ T2928] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 307.154654][ T2928] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 307.162636][ T2928] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 307.170615][ T2923] CPU: 0 PID: 2923 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 307.181156][ T2923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 307.191284][ T2923] Call Trace: [ 307.194649][ T2923] dump_stack_lvl+0x1e2/0x24b [ 307.199303][ T2923] ? bfq_pos_tree_add_move+0x43e/0x43e [ 307.204733][ T2923] ? vsnprintf+0x1fa/0x1cd0 [ 307.209305][ T2923] dump_stack+0x15/0x17 [ 307.213531][ T2923] should_fail+0x3c0/0x510 [ 307.217929][ T2923] should_fail_usercopy+0x1a/0x20 [ 307.223026][ T2923] _copy_from_user+0x20/0xd0 [ 307.228025][ T2923] kstrtouint_from_user+0xd7/0x2b0 [ 307.233110][ T2923] ? kstrtol_from_user+0x310/0x310 [ 307.238291][ T2923] ? snprintf+0xd6/0x120 [ 307.242692][ T2923] ? avc_policy_seqno+0x1b/0x70 [ 307.247603][ T2923] ? selinux_file_permission+0x2a9/0x520 [ 307.253297][ T2923] proc_fail_nth_write+0xa5/0x290 [ 307.258566][ T2923] ? security_file_permission+0x9d/0xc0 [ 307.264715][ T2923] ? proc_fail_nth_read+0x220/0x220 [ 307.269948][ T2923] ? security_file_permission+0xa8/0xc0 [ 307.275558][ T2923] ? rw_verify_area+0x1c2/0x360 [ 307.280474][ T2923] ? proc_fail_nth_read+0x220/0x220 [ 307.285655][ T2923] vfs_write+0x39b/0xf80 [ 307.289963][ T2923] ? kernel_write+0x420/0x420 [ 307.294629][ T2923] ? __kasan_check_write+0x14/0x20 [ 307.299911][ T2923] ? mutex_lock+0xb2/0x1e0 [ 307.304651][ T2923] ? mutex_trylock+0x180/0x180 [ 307.309406][ T2923] ? __fdget_pos+0x26d/0x310 [ 307.314071][ T2923] ? ksys_write+0x77/0x2c0 [ 307.318581][ T2923] ksys_write+0x198/0x2c0 [ 307.322925][ T2923] ? __kasan_check_write+0x14/0x20 [ 307.328013][ T2923] ? __ia32_sys_read+0x90/0x90 [ 307.333049][ T2923] ? debug_smp_processor_id+0x17/0x20 [ 307.341092][ T2923] __x64_sys_write+0x7b/0x90 [ 307.345657][ T2923] do_syscall_64+0x34/0x70 [ 307.350310][ T2923] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 307.356432][ T2923] RIP: 0033:0x7f869ba6eb5f [ 307.361292][ T2923] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 307.381704][ T2923] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 307.390559][ T2923] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 307.398542][ T2923] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 307.406584][ T2923] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 307.414533][ T2923] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 307.422579][ T2923] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 307.440157][ T2932] FAULT_INJECTION: forcing a failure. [ 307.440157][ T2932] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 307.442963][ T2924] CPU: 0 PID: 2924 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 307.464678][ T2924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 307.470054][ T2935] FAULT_INJECTION: forcing a failure. [ 307.470054][ T2935] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 307.474817][ T2924] Call Trace: [ 307.474836][ T2924] dump_stack_lvl+0x1e2/0x24b [ 307.474855][ T2924] ? bfq_pos_tree_add_move+0x43e/0x43e [ 307.501629][ T2924] ? vsnprintf+0x1fa/0x1cd0 [ 307.506240][ T2924] dump_stack+0x15/0x17 [ 307.510473][ T2924] should_fail+0x3c0/0x510 [ 307.514967][ T2924] should_fail_usercopy+0x1a/0x20 [ 307.519996][ T2924] _copy_from_user+0x20/0xd0 [ 307.524593][ T2924] kstrtouint_from_user+0xd7/0x2b0 [ 307.529796][ T2924] ? kstrtol_from_user+0x310/0x310 [ 307.534914][ T2924] ? snprintf+0xd6/0x120 [ 307.539263][ T2924] ? avc_policy_seqno+0x1b/0x70 [ 307.544104][ T2924] ? selinux_file_permission+0x2a9/0x520 [ 307.549729][ T2924] proc_fail_nth_write+0xa5/0x290 [ 307.554748][ T2924] ? security_file_permission+0x9d/0xc0 [ 307.560711][ T2924] ? proc_fail_nth_read+0x220/0x220 [ 307.566158][ T2924] ? security_file_permission+0xa8/0xc0 [ 307.571774][ T2924] ? rw_verify_area+0x1c2/0x360 [ 307.576603][ T2924] ? proc_fail_nth_read+0x220/0x220 [ 307.581870][ T2924] vfs_write+0x39b/0xf80 [ 307.586199][ T2924] ? kernel_write+0x420/0x420 [ 307.590874][ T2924] ? __kasan_check_write+0x14/0x20 [ 307.596238][ T2924] ? mutex_lock+0xb2/0x1e0 [ 307.600638][ T2924] ? mutex_trylock+0x180/0x180 [ 307.605817][ T2924] ? __fdget_pos+0x26d/0x310 [ 307.610482][ T2924] ? ksys_write+0x77/0x2c0 [ 307.613846][ T2937] FAULT_INJECTION: forcing a failure. [ 307.613846][ T2937] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 307.614890][ T2924] ksys_write+0x198/0x2c0 [ 307.614900][ T2924] ? __ia32_sys_read+0x90/0x90 [ 307.614911][ T2924] ? debug_smp_processor_id+0x17/0x20 [ 307.614919][ T2924] __x64_sys_write+0x7b/0x90 [ 307.614926][ T2924] do_syscall_64+0x34/0x70 [ 307.614937][ T2924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 307.614945][ T2924] RIP: 0033:0x7f6ebe0d0b5f [ 307.614962][ T2924] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 307.630028][ T2938] FAULT_INJECTION: forcing a failure. [ 307.630028][ T2938] name failslab, interval 1, probability 0, space 0, times 0 [ 307.632683][ T2924] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 307.632704][ T2924] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 307.712376][ T2924] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 307.720350][ T2924] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 307.728481][ T2924] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 307.736441][ T2924] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 307.744786][ T2937] CPU: 1 PID: 2937 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 307.755473][ T2937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 307.765869][ T2937] Call Trace: [ 307.769148][ T2937] dump_stack_lvl+0x1e2/0x24b [ 307.773981][ T2937] ? bfq_pos_tree_add_move+0x43e/0x43e [ 307.779679][ T2937] ? vsnprintf+0x1fa/0x1cd0 [ 307.784164][ T2937] dump_stack+0x15/0x17 [ 307.788300][ T2937] should_fail+0x3c0/0x510 [ 307.792799][ T2937] should_fail_usercopy+0x1a/0x20 [ 307.797928][ T2937] _copy_from_user+0x20/0xd0 [ 307.802773][ T2937] kstrtouint_from_user+0xd7/0x2b0 [ 307.808303][ T2937] ? kstrtol_from_user+0x310/0x310 [ 307.813584][ T2937] ? snprintf+0xd6/0x120 [ 307.818220][ T2937] ? avc_policy_seqno+0x1b/0x70 [ 307.823517][ T2937] ? selinux_file_permission+0x2a9/0x520 [ 307.829239][ T2937] proc_fail_nth_write+0xa5/0x290 [ 307.834330][ T2937] ? security_file_permission+0x9d/0xc0 [ 307.843866][ T2937] ? proc_fail_nth_read+0x220/0x220 [ 307.849062][ T2937] ? security_file_permission+0xa8/0xc0 [ 307.854618][ T2937] ? rw_verify_area+0x1c2/0x360 [ 307.859450][ T2937] ? proc_fail_nth_read+0x220/0x220 [ 307.864759][ T2937] vfs_write+0x39b/0xf80 [ 307.869000][ T2937] ? kernel_write+0x420/0x420 [ 307.873668][ T2937] ? __kasan_check_write+0x14/0x20 [ 307.878763][ T2937] ? mutex_lock+0xb2/0x1e0 [ 307.883618][ T2937] ? mutex_trylock+0x180/0x180 [ 307.888540][ T2937] ? __fdget_pos+0x26d/0x310 [ 307.893114][ T2937] ? ksys_write+0x77/0x2c0 [ 307.897509][ T2937] ksys_write+0x198/0x2c0 [ 307.901817][ T2937] ? __ia32_sys_read+0x90/0x90 [ 307.907103][ T2937] ? debug_smp_processor_id+0x17/0x20 [ 307.913159][ T2937] __x64_sys_write+0x7b/0x90 [ 307.917854][ T2937] do_syscall_64+0x34/0x70 [ 307.922448][ T2937] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 307.928331][ T2937] RIP: 0033:0x7f7d1c31ab5f [ 307.932818][ T2937] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 307.953709][ T2937] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 307.962294][ T2937] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 307.970251][ T2937] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 307.978666][ T2937] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 307.987371][ T2937] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 307.995596][ T2937] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 308.003817][ T2935] CPU: 0 PID: 2935 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 308.014579][ T2935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 308.024819][ T2935] Call Trace: [ 308.028101][ T2935] dump_stack_lvl+0x1e2/0x24b [ 308.032764][ T2935] ? bfq_pos_tree_add_move+0x43e/0x43e [ 308.038209][ T2935] ? vsnprintf+0x1fa/0x1cd0 [ 308.042774][ T2935] dump_stack+0x15/0x17 [ 308.047407][ T2935] should_fail+0x3c0/0x510 [ 308.051907][ T2935] should_fail_usercopy+0x1a/0x20 [ 308.057218][ T2935] _copy_from_user+0x20/0xd0 [ 308.061798][ T2935] kstrtouint_from_user+0xd7/0x2b0 [ 308.066981][ T2935] ? kstrtol_from_user+0x310/0x310 [ 308.072067][ T2935] ? snprintf+0xd6/0x120 [ 308.076286][ T2935] ? avc_policy_seqno+0x1b/0x70 [ 308.082045][ T2935] ? selinux_file_permission+0x2a9/0x520 [ 308.087775][ T2935] proc_fail_nth_write+0xa5/0x290 [ 308.092864][ T2935] ? security_file_permission+0x9d/0xc0 [ 308.098672][ T2935] ? proc_fail_nth_read+0x220/0x220 [ 308.103869][ T2935] ? security_file_permission+0xa8/0xc0 [ 308.109500][ T2935] ? rw_verify_area+0x1c2/0x360 [ 308.114334][ T2935] ? proc_fail_nth_read+0x220/0x220 [ 308.119854][ T2935] vfs_write+0x39b/0xf80 [ 308.124079][ T2935] ? kernel_write+0x420/0x420 [ 308.128732][ T2935] ? __kasan_check_write+0x14/0x20 [ 308.133907][ T2935] ? mutex_lock+0xb2/0x1e0 [ 308.138441][ T2935] ? mutex_trylock+0x180/0x180 [ 308.143191][ T2935] ? __fdget_pos+0x26d/0x310 [ 308.147861][ T2935] ? ksys_write+0x77/0x2c0 [ 308.152282][ T2935] ksys_write+0x198/0x2c0 [ 308.156684][ T2935] ? __ia32_sys_read+0x90/0x90 [ 308.161634][ T2935] ? debug_smp_processor_id+0x17/0x20 [ 308.167072][ T2935] __x64_sys_write+0x7b/0x90 [ 308.171760][ T2935] do_syscall_64+0x34/0x70 [ 308.176154][ T2935] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 308.182110][ T2935] RIP: 0033:0x7f022ab05b5f [ 308.186503][ T2935] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 308.207091][ T2935] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 308.215953][ T2935] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 308.224380][ T2935] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 308.232420][ T2935] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 308.240457][ T2935] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 308.248757][ T2935] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 308.261586][ T2932] CPU: 0 PID: 2932 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 308.272126][ T2932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 308.282350][ T2932] Call Trace: [ 308.285780][ T2932] dump_stack_lvl+0x1e2/0x24b [ 308.290446][ T2932] ? bfq_pos_tree_add_move+0x43e/0x43e [ 308.296130][ T2932] ? vsnprintf+0x1fa/0x1cd0 [ 308.300754][ T2932] dump_stack+0x15/0x17 [ 308.304904][ T2932] should_fail+0x3c0/0x510 [ 308.309582][ T2932] should_fail_usercopy+0x1a/0x20 [ 308.314774][ T2932] _copy_from_user+0x20/0xd0 [ 308.320047][ T2932] kstrtouint_from_user+0xd7/0x2b0 [ 308.325150][ T2932] ? kstrtol_from_user+0x310/0x310 [ 308.330460][ T2932] ? snprintf+0xd6/0x120 [ 308.334702][ T2932] ? avc_policy_seqno+0x1b/0x70 [ 308.339857][ T2932] ? selinux_file_permission+0x2a9/0x520 [ 308.345665][ T2932] proc_fail_nth_write+0xa5/0x290 [ 308.350785][ T2932] ? security_file_permission+0x9d/0xc0 [ 308.356496][ T2932] ? proc_fail_nth_read+0x220/0x220 [ 308.361864][ T2932] ? security_file_permission+0xa8/0xc0 [ 308.367574][ T2932] ? rw_verify_area+0x1c2/0x360 [ 308.372515][ T2932] ? proc_fail_nth_read+0x220/0x220 [ 308.377792][ T2932] vfs_write+0x39b/0xf80 [ 308.382212][ T2932] ? kernel_write+0x420/0x420 [ 308.386882][ T2932] ? __kasan_check_write+0x14/0x20 [ 308.392495][ T2932] ? mutex_lock+0xb2/0x1e0 [ 308.397006][ T2932] ? mutex_trylock+0x180/0x180 [ 308.402040][ T2932] ? __fdget_pos+0x26d/0x310 [ 308.407301][ T2932] ? ksys_write+0x77/0x2c0 [ 308.411797][ T2932] ksys_write+0x198/0x2c0 [ 308.417038][ T2932] ? __ia32_sys_read+0x90/0x90 [ 308.421812][ T2932] ? debug_smp_processor_id+0x17/0x20 [ 308.427179][ T2932] __x64_sys_write+0x7b/0x90 [ 308.431762][ T2932] do_syscall_64+0x34/0x70 [ 308.436169][ T2932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 308.442220][ T2932] RIP: 0033:0x7f869ba6eb5f [ 308.446638][ T2932] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 308.466536][ T2932] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 308.475128][ T2932] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 308.483352][ T2932] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 308.491568][ T2932] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 308.499713][ T2932] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 308.507773][ T2932] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 308.515951][ T2938] CPU: 1 PID: 2938 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 308.526790][ T2938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 308.537177][ T2938] Call Trace: [ 308.540551][ T2938] dump_stack_lvl+0x1e2/0x24b [ 308.545225][ T2938] ? panic+0x7d7/0x7d7 [ 308.549665][ T2938] ? bfq_pos_tree_add_move+0x43e/0x43e [ 308.555494][ T2938] ? find_next_bit+0xd6/0x120 [ 308.560438][ T2938] ? cpumask_next+0x11/0x30 [ 308.564932][ T2938] dump_stack+0x15/0x17 [ 308.569255][ T2938] should_fail+0x3c0/0x510 [ 308.573746][ T2938] ? percpu_ref_init+0xd0/0x340 [ 308.579322][ T2938] __should_failslab+0x9f/0xe0 [ 308.584439][ T2938] should_failslab+0x9/0x20 [ 308.589027][ T2938] kmem_cache_alloc_trace+0x3a/0x330 [ 308.594505][ T2938] percpu_ref_init+0xd0/0x340 [ 308.599296][ T2938] ? cgroup_setup_root+0xea0/0xea0 [ 308.604746][ T2938] cgroup_apply_control_enable+0x3a2/0x12f0 [ 308.610715][ T2938] ? cgroup_reconfigure+0xe0/0xe0 [ 308.616185][ T2938] cgroup_apply_control+0x8e/0x7e0 [ 308.622860][ T2938] ? css_next_child+0x160/0x160 [ 308.628047][ T2938] ? io_schedule+0x120/0x120 [ 308.632623][ T2938] ? kernfs_fop_write_iter+0x15e/0x410 [ 308.638063][ T2938] ? __kasan_check_write+0x14/0x20 [ 308.643766][ T2938] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 308.650776][ T2938] cgroup_subtree_control_write+0xd19/0x1310 [ 308.656828][ T2938] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 308.663064][ T2938] ? __kasan_check_write+0x14/0x20 [ 308.668245][ T2938] ? _copy_from_iter+0x3fb/0xd60 [ 308.673350][ T2938] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 308.679403][ T2938] cgroup_file_write+0x28e/0x590 [ 308.684431][ T2938] ? cgroup_seqfile_stop+0xc0/0xc0 [ 308.689624][ T2938] ? mutex_trylock+0x180/0x180 [ 308.694493][ T2938] ? __kasan_check_write+0x14/0x20 [ 308.699591][ T2938] kernfs_fop_write_iter+0x2d0/0x410 [ 308.705092][ T2938] ? cgroup_seqfile_stop+0xc0/0xc0 [ 308.710496][ T2938] vfs_write+0xc4a/0xf80 [ 308.714916][ T2938] ? kernel_write+0x420/0x420 [ 308.720362][ T2938] ? mutex_lock+0xb2/0x1e0 [ 308.725912][ T2938] ? mutex_trylock+0x180/0x180 [ 308.730896][ T2938] ? __fdget_pos+0x26d/0x310 [ 308.735735][ T2938] ? ksys_write+0x77/0x2c0 [ 308.740606][ T2938] ksys_write+0x198/0x2c0 [ 308.745042][ T2938] ? __ia32_sys_read+0x90/0x90 [ 308.750132][ T2938] ? debug_smp_processor_id+0x17/0x20 [ 308.756125][ T2938] __x64_sys_write+0x7b/0x90 [ 308.760897][ T2938] do_syscall_64+0x34/0x70 [ 308.765509][ T2938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 308.771655][ T2938] RIP: 0033:0x7f85191c4049 [ 308.776119][ T2938] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 308.796658][ T2938] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 308.805440][ T2938] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 308.815584][ T2938] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 308.825368][ T2938] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 308.834280][ T2938] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 308.842643][ T2938] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 308.854312][ T2941] FAULT_INJECTION: forcing a failure. [ 308.854312][ T2941] name fail_futex, interval 1, probability 0, space 0, times 0 [ 308.867267][ T2943] FAULT_INJECTION: forcing a failure. [ 308.867267][ T2943] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 308.867313][ T2945] FAULT_INJECTION: forcing a failure. [ 308.867313][ T2945] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 308.880667][ T2947] FAULT_INJECTION: forcing a failure. [ 308.880667][ T2947] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 308.894264][ T2941] CPU: 1 PID: 2941 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 308.920025][ T2941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 308.930959][ T2941] Call Trace: [ 308.934546][ T2941] dump_stack_lvl+0x1e2/0x24b [ 308.939489][ T2941] ? panic+0x7d7/0x7d7 [ 308.943831][ T2941] ? bfq_pos_tree_add_move+0x43e/0x43e [ 308.949284][ T2941] dump_stack+0x15/0x17 [ 308.955885][ T2941] should_fail+0x3c0/0x510 [ 308.960669][ T2941] get_futex_key+0x1bf/0xb60 [ 308.962736][ T2952] FAULT_INJECTION: forcing a failure. [ 308.962736][ T2952] name failslab, interval 1, probability 0, space 0, times 0 [ 308.965350][ T2941] ? futex_wait_restart+0x250/0x250 [ 308.965362][ T2941] futex_wake+0x1d5/0xd00 [ 308.965372][ T2941] ? futex_wait+0x930/0x930 [ 308.965383][ T2941] ? __kasan_check_write+0x14/0x20 [ 308.965393][ T2941] ? __switch_to+0x5e4/0x1220 [ 308.965412][ T2941] ? native_set_ldt+0x360/0x360 [ 309.007183][ T2941] ? set_next_entity+0xc5/0x390 [ 309.012617][ T2941] ? compat_start_thread+0x80/0x80 [ 309.020142][ T2941] do_futex+0x13c7/0x3410 [ 309.024827][ T2941] ? futex_exit_release+0x1d0/0x1d0 [ 309.030158][ T2941] ? is_bpf_text_address+0x1a2/0x1c0 [ 309.035610][ T2941] ? is_module_text_address+0xe1/0x140 [ 309.041264][ T2941] ? stack_trace_save+0x1f0/0x1f0 [ 309.046466][ T2941] ? __kernel_text_address+0x9a/0x110 [ 309.052086][ T2941] ? unwind_get_return_address+0x4c/0x90 [ 309.058188][ T2941] ? arch_stack_walk+0xf8/0x140 [ 309.063022][ T2941] ? stack_trace_save+0x12d/0x1f0 [ 309.068203][ T2941] ? stack_trace_snprint+0x100/0x100 [ 309.075124][ T2941] ? stack_trace_save+0x12d/0x1f0 [ 309.080227][ T2941] ? stack_trace_snprint+0x100/0x100 [ 309.085668][ T2941] ? kasan_save_stack+0x4d/0x60 [ 309.090507][ T2941] ? kasan_save_stack+0x36/0x60 [ 309.095551][ T2941] ? kasan_record_aux_stack+0xca/0xf0 [ 309.100914][ T2941] ? call_rcu+0x140/0x1300 [ 309.105598][ T2941] ? __fput+0x5fb/0x7c0 [ 309.109740][ T2941] ? __kasan_check_write+0x14/0x20 [ 309.115282][ T2941] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 309.120951][ T2941] ? __kasan_check_write+0x14/0x20 [ 309.126447][ T2941] ? rt_mutex_unlock+0xe0/0x350 [ 309.131584][ T2941] ? uprobe_free_utask+0x82/0x160 [ 309.136684][ T2941] mm_release+0x1d2/0x320 [ 309.141409][ T2941] ? exit_mm_release+0x30/0x30 [ 309.146265][ T2941] ? futex_exit_release+0x11f/0x1d0 [ 309.151534][ T2941] exit_mm_release+0x25/0x30 [ 309.156125][ T2941] exit_mm+0xb6/0x790 [ 309.160097][ T2941] ? __delayacct_add_tsk+0x68d/0x720 [ 309.165759][ T2941] ? do_exit+0x2340/0x2340 [ 309.170288][ T2941] ? taskstats_exit+0x47d/0xba0 [ 309.175121][ T2941] ? mm_trace_rss_stat+0x3f/0x140 [ 309.180345][ T2941] do_exit+0x5f2/0x2340 [ 309.184537][ T2941] ? get_task_struct+0x80/0x80 [ 309.189743][ T2941] ? __fput+0x5fb/0x7c0 [ 309.193968][ T2941] ? __kasan_check_write+0x14/0x20 [ 309.199168][ T2941] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 309.204272][ T2941] do_group_exit+0x13a/0x300 [ 309.208849][ T2941] ? __kasan_check_write+0x14/0x20 [ 309.213944][ T2941] get_signal+0xe17/0x1440 [ 309.218346][ T2941] ? task_work_add+0x1b3/0x320 [ 309.223356][ T2941] arch_do_signal+0x8e/0x650 [ 309.228485][ T2941] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 309.234099][ T2941] ? ksys_write+0x25f/0x2c0 [ 309.238764][ T2941] exit_to_user_mode_loop+0xa3/0xe0 [ 309.244032][ T2941] syscall_exit_to_user_mode+0x77/0xa0 [ 309.249479][ T2941] do_syscall_64+0x40/0x70 [ 309.253968][ T2941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 309.260112][ T2941] RIP: 0033:0x7faa223e1049 [ 309.265033][ T2941] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 309.285165][ T2941] RSP: 002b:00007faa22336168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 309.293908][ T2941] RAX: 0000000000000006 RBX: 00007faa224f4030 RCX: 00007faa223e1049 [ 309.301866][ T2941] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 309.309993][ T2941] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 309.317948][ T2941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 309.325988][ T2941] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 309.334234][ T2947] CPU: 0 PID: 2947 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 309.345233][ T2947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 309.355741][ T2947] Call Trace: [ 309.359214][ T2947] dump_stack_lvl+0x1e2/0x24b [ 309.364889][ T2947] ? bfq_pos_tree_add_move+0x43e/0x43e [ 309.370913][ T2947] ? vsnprintf+0x1fa/0x1cd0 [ 309.375433][ T2947] dump_stack+0x15/0x17 [ 309.379605][ T2947] should_fail+0x3c0/0x510 [ 309.384038][ T2947] should_fail_usercopy+0x1a/0x20 [ 309.389175][ T2947] _copy_from_user+0x20/0xd0 [ 309.394017][ T2947] kstrtouint_from_user+0xd7/0x2b0 [ 309.399561][ T2947] ? kstrtol_from_user+0x310/0x310 [ 309.404842][ T2947] ? snprintf+0xd6/0x120 [ 309.409276][ T2947] ? avc_policy_seqno+0x1b/0x70 [ 309.414291][ T2947] ? selinux_file_permission+0x2a9/0x520 [ 309.420000][ T2947] proc_fail_nth_write+0xa5/0x290 [ 309.425187][ T2947] ? security_file_permission+0x9d/0xc0 [ 309.430807][ T2947] ? proc_fail_nth_read+0x220/0x220 [ 309.436090][ T2947] ? security_file_permission+0xa8/0xc0 [ 309.441827][ T2947] ? rw_verify_area+0x1c2/0x360 [ 309.446764][ T2947] ? proc_fail_nth_read+0x220/0x220 [ 309.451967][ T2947] vfs_write+0x39b/0xf80 [ 309.456195][ T2947] ? kernel_write+0x420/0x420 [ 309.461043][ T2947] ? __kasan_check_write+0x14/0x20 [ 309.466234][ T2947] ? mutex_lock+0xb2/0x1e0 [ 309.470747][ T2947] ? mutex_trylock+0x180/0x180 [ 309.475517][ T2947] ? __fdget_pos+0x26d/0x310 [ 309.480456][ T2947] ? ksys_write+0x77/0x2c0 [ 309.485300][ T2947] ksys_write+0x198/0x2c0 [ 309.489628][ T2947] ? __kasan_check_write+0x14/0x20 [ 309.494725][ T2947] ? __ia32_sys_read+0x90/0x90 [ 309.499509][ T2947] ? debug_smp_processor_id+0x17/0x20 [ 309.505422][ T2947] __x64_sys_write+0x7b/0x90 [ 309.510107][ T2947] do_syscall_64+0x34/0x70 [ 309.514595][ T2947] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 309.521517][ T2947] RIP: 0033:0x7f022ab05b5f [ 309.526349][ T2947] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 309.546550][ T2947] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 309.555162][ T2947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 309.563126][ T2947] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 309.571277][ T2947] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 309.579354][ T2947] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 309.587735][ T2947] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 309.598003][ T2943] CPU: 0 PID: 2943 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 309.608535][ T2943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 309.618768][ T2943] Call Trace: [ 309.622251][ T2943] dump_stack_lvl+0x1e2/0x24b [ 309.627010][ T2943] ? bfq_pos_tree_add_move+0x43e/0x43e [ 309.632625][ T2943] ? vsnprintf+0x1fa/0x1cd0 [ 309.637290][ T2943] dump_stack+0x15/0x17 [ 309.641541][ T2943] should_fail+0x3c0/0x510 [ 309.648040][ T2943] should_fail_usercopy+0x1a/0x20 [ 309.653051][ T2943] _copy_from_user+0x20/0xd0 [ 309.657727][ T2943] kstrtouint_from_user+0xd7/0x2b0 [ 309.663098][ T2943] ? kstrtol_from_user+0x310/0x310 [ 309.668189][ T2943] ? snprintf+0xd6/0x120 [ 309.672636][ T2943] ? avc_policy_seqno+0x1b/0x70 [ 309.677745][ T2943] ? selinux_file_permission+0x2a9/0x520 [ 309.683711][ T2943] proc_fail_nth_write+0xa5/0x290 [ 309.688816][ T2943] ? security_file_permission+0x9d/0xc0 [ 309.694789][ T2943] ? proc_fail_nth_read+0x220/0x220 [ 309.700178][ T2943] ? security_file_permission+0xa8/0xc0 [ 309.706319][ T2943] ? rw_verify_area+0x1c2/0x360 [ 309.711331][ T2943] ? proc_fail_nth_read+0x220/0x220 [ 309.716513][ T2943] vfs_write+0x39b/0xf80 [ 309.720844][ T2943] ? kernel_write+0x420/0x420 [ 309.725690][ T2943] ? __kasan_check_write+0x14/0x20 [ 309.730885][ T2943] ? mutex_lock+0xb2/0x1e0 [ 309.735399][ T2943] ? mutex_trylock+0x180/0x180 [ 309.740423][ T2943] ? __fdget_pos+0x26d/0x310 [ 309.745104][ T2943] ? ksys_write+0x77/0x2c0 [ 309.749522][ T2943] ksys_write+0x198/0x2c0 [ 309.753933][ T2943] ? __kasan_check_write+0x14/0x20 [ 309.759202][ T2943] ? __ia32_sys_read+0x90/0x90 [ 309.764019][ T2943] ? debug_smp_processor_id+0x17/0x20 [ 309.769374][ T2943] __x64_sys_write+0x7b/0x90 [ 309.774151][ T2943] do_syscall_64+0x34/0x70 [ 309.779248][ T2943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 309.785151][ T2943] RIP: 0033:0x7f6ebe0d0b5f [ 309.789655][ T2943] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 309.809957][ T2943] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 309.818365][ T2943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 309.826511][ T2943] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 309.834914][ T2943] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 309.842882][ T2943] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 309.851204][ T2943] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 309.863446][ T2952] CPU: 1 PID: 2952 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 309.874385][ T2952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 309.888647][ T2952] Call Trace: [ 309.891931][ T2952] dump_stack_lvl+0x1e2/0x24b [ 309.896678][ T2952] ? panic+0x7d7/0x7d7 [ 309.900991][ T2952] ? bfq_pos_tree_add_move+0x43e/0x43e [ 309.906804][ T2952] ? find_next_bit+0xd6/0x120 [ 309.911635][ T2952] ? cpumask_next+0x11/0x30 [ 309.916148][ T2952] dump_stack+0x15/0x17 [ 309.920635][ T2952] should_fail+0x3c0/0x510 [ 309.925953][ T2952] ? percpu_ref_init+0xd0/0x340 [ 309.930836][ T2952] __should_failslab+0x9f/0xe0 [ 309.935678][ T2952] should_failslab+0x9/0x20 [ 309.940173][ T2952] kmem_cache_alloc_trace+0x3a/0x330 [ 309.945643][ T2952] percpu_ref_init+0xd0/0x340 [ 309.950407][ T2952] ? cgroup_setup_root+0xea0/0xea0 [ 309.955507][ T2952] cgroup_apply_control_enable+0x3a2/0x12f0 [ 309.961408][ T2952] ? cgroup_reconfigure+0xe0/0xe0 [ 309.966427][ T2952] cgroup_apply_control+0x8e/0x7e0 [ 309.971731][ T2952] ? css_next_child+0x160/0x160 [ 309.976662][ T2952] ? io_schedule+0x120/0x120 [ 309.981365][ T2952] ? kernfs_fop_write_iter+0x15e/0x410 [ 309.987000][ T2952] ? __kasan_check_write+0x14/0x20 [ 309.992419][ T2952] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 309.997812][ T2952] cgroup_subtree_control_write+0xd19/0x1310 [ 310.003978][ T2952] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 310.009939][ T2952] ? __kasan_check_write+0x14/0x20 [ 310.015464][ T2952] ? _copy_from_iter+0x3fb/0xd60 [ 310.020398][ T2952] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 310.026578][ T2952] cgroup_file_write+0x28e/0x590 [ 310.031855][ T2952] ? cgroup_seqfile_stop+0xc0/0xc0 [ 310.037247][ T2952] ? mutex_trylock+0x180/0x180 [ 310.042034][ T2952] ? __kasan_check_write+0x14/0x20 [ 310.047514][ T2952] kernfs_fop_write_iter+0x2d0/0x410 [ 310.052981][ T2952] ? cgroup_seqfile_stop+0xc0/0xc0 [ 310.058278][ T2952] vfs_write+0xc4a/0xf80 [ 310.062601][ T2952] ? kernel_write+0x420/0x420 [ 310.067496][ T2952] ? mutex_lock+0xb2/0x1e0 [ 310.072118][ T2952] ? mutex_trylock+0x180/0x180 [ 310.077707][ T2952] ? __fdget_pos+0x26d/0x310 [ 310.082390][ T2952] ? ksys_write+0x77/0x2c0 [ 310.086957][ T2952] ksys_write+0x198/0x2c0 [ 310.091474][ T2952] ? __ia32_sys_read+0x90/0x90 [ 310.096632][ T2952] ? debug_smp_processor_id+0x17/0x20 [ 310.102262][ T2952] __x64_sys_write+0x7b/0x90 [ 310.107010][ T2952] do_syscall_64+0x34/0x70 [ 310.111444][ T2952] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 310.117486][ T2952] RIP: 0033:0x7f85191c4049 [ 310.122343][ T2952] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 310.143311][ T2952] RSP: 002b:00007f85190f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 310.151898][ T2952] RAX: ffffffffffffffda RBX: 00007f85192d7100 RCX: 00007f85191c4049 [ 310.160042][ T2952] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 310.168428][ T2952] RBP: 00007f85190f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 310.176574][ T2952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 310.184619][ T2952] R13: 00007ffd0d50551f R14: 00007f85190f8300 R15: 0000000000022000 [ 310.192852][ T2945] CPU: 0 PID: 2945 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 310.200571][ T2954] FAULT_INJECTION: forcing a failure. [ 310.200571][ T2954] name fail_futex, interval 1, probability 0, space 0, times 0 [ 310.203440][ T2945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 310.203444][ T2945] Call Trace: [ 310.203462][ T2945] dump_stack_lvl+0x1e2/0x24b [ 310.203481][ T2945] ? bfq_pos_tree_add_move+0x43e/0x43e [ 310.239986][ T2945] ? vsnprintf+0x1fa/0x1cd0 [ 310.245221][ T2945] dump_stack+0x15/0x17 [ 310.249640][ T2945] should_fail+0x3c0/0x510 [ 310.251821][ T2957] FAULT_INJECTION: forcing a failure. [ 310.251821][ T2957] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 310.255068][ T2945] should_fail_usercopy+0x1a/0x20 [ 310.255078][ T2945] _copy_from_user+0x20/0xd0 [ 310.255088][ T2945] kstrtouint_from_user+0xd7/0x2b0 [ 310.255096][ T2945] ? kstrtol_from_user+0x310/0x310 [ 310.255116][ T2945] ? snprintf+0xd6/0x120 [ 310.295403][ T2945] ? avc_policy_seqno+0x1b/0x70 [ 310.300328][ T2945] ? selinux_file_permission+0x2a9/0x520 [ 310.305952][ T2945] proc_fail_nth_write+0xa5/0x290 [ 310.310971][ T2945] ? security_file_permission+0x9d/0xc0 [ 310.316806][ T2945] ? proc_fail_nth_read+0x220/0x220 [ 310.322002][ T2945] ? security_file_permission+0xa8/0xc0 [ 310.327540][ T2945] ? rw_verify_area+0x1c2/0x360 [ 310.332514][ T2945] ? proc_fail_nth_read+0x220/0x220 [ 310.337791][ T2945] vfs_write+0x39b/0xf80 [ 310.342193][ T2945] ? kernel_write+0x420/0x420 [ 310.346867][ T2945] ? __kasan_check_write+0x14/0x20 [ 310.352071][ T2945] ? mutex_lock+0xb2/0x1e0 [ 310.356736][ T2945] ? mutex_trylock+0x180/0x180 [ 310.361691][ T2945] ? __fdget_pos+0x26d/0x310 [ 310.366260][ T2945] ? ksys_write+0x77/0x2c0 [ 310.370686][ T2945] ksys_write+0x198/0x2c0 [ 310.375459][ T2945] ? __kasan_check_write+0x14/0x20 [ 310.380749][ T2945] ? __ia32_sys_read+0x90/0x90 [ 310.385538][ T2945] ? debug_smp_processor_id+0x17/0x20 [ 310.392101][ T2945] __x64_sys_write+0x7b/0x90 [ 310.396910][ T2945] do_syscall_64+0x34/0x70 [ 310.401327][ T2945] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 310.407377][ T2945] RIP: 0033:0x7f7d1c31ab5f [ 310.411865][ T2945] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 310.426738][ T2961] FAULT_INJECTION: forcing a failure. [ 310.426738][ T2961] name failslab, interval 1, probability 0, space 0, times 0 [ 310.432237][ T2945] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 310.432251][ T2945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 310.432266][ T2945] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 310.471038][ T2945] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 310.480109][ T2945] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 310.488329][ T2945] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 310.496719][ T2961] CPU: 1 PID: 2961 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 310.507486][ T2961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 310.517797][ T2961] Call Trace: [ 310.521099][ T2961] dump_stack_lvl+0x1e2/0x24b [ 310.525931][ T2961] ? panic+0x7d7/0x7d7 [ 310.530075][ T2961] ? bfq_pos_tree_add_move+0x43e/0x43e [ 310.535524][ T2961] ? find_next_bit+0xd6/0x120 [ 310.540268][ T2961] ? cpumask_next+0x11/0x30 [ 310.544776][ T2961] dump_stack+0x15/0x17 [ 310.549128][ T2961] should_fail+0x3c0/0x510 [ 310.553633][ T2961] ? percpu_ref_init+0xd0/0x340 [ 310.558830][ T2961] __should_failslab+0x9f/0xe0 [ 310.564009][ T2961] should_failslab+0x9/0x20 [ 310.568498][ T2961] kmem_cache_alloc_trace+0x3a/0x330 [ 310.573950][ T2961] percpu_ref_init+0xd0/0x340 [ 310.578799][ T2961] ? cgroup_setup_root+0xea0/0xea0 [ 310.583922][ T2961] cgroup_apply_control_enable+0x3a2/0x12f0 [ 310.589800][ T2961] ? cgroup_reconfigure+0xe0/0xe0 [ 310.594807][ T2961] cgroup_apply_control+0x8e/0x7e0 [ 310.599947][ T2961] ? css_next_child+0x160/0x160 [ 310.604792][ T2961] ? io_schedule+0x120/0x120 [ 310.609370][ T2961] ? kernfs_fop_write_iter+0x15e/0x410 [ 310.614925][ T2961] ? __kasan_check_write+0x14/0x20 [ 310.620240][ T2961] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 310.625599][ T2961] cgroup_subtree_control_write+0xd19/0x1310 [ 310.631661][ T2961] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 310.637713][ T2961] ? __kasan_check_write+0x14/0x20 [ 310.642898][ T2961] ? _copy_from_iter+0x3fb/0xd60 [ 310.647840][ T2961] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 310.653814][ T2961] cgroup_file_write+0x28e/0x590 [ 310.658877][ T2961] ? cgroup_seqfile_stop+0xc0/0xc0 [ 310.664007][ T2961] ? mutex_trylock+0x180/0x180 [ 310.668914][ T2961] ? __kasan_check_write+0x14/0x20 [ 310.674012][ T2961] kernfs_fop_write_iter+0x2d0/0x410 [ 310.679628][ T2961] ? cgroup_seqfile_stop+0xc0/0xc0 [ 310.684720][ T2961] vfs_write+0xc4a/0xf80 [ 310.689056][ T2961] ? kernel_write+0x420/0x420 [ 310.693813][ T2961] ? mutex_lock+0xb2/0x1e0 [ 310.698233][ T2961] ? mutex_trylock+0x180/0x180 [ 310.702988][ T2961] ? __fdget_pos+0x26d/0x310 [ 310.707783][ T2961] ? ksys_write+0x77/0x2c0 [ 310.712352][ T2961] ksys_write+0x198/0x2c0 [ 310.716683][ T2961] ? __ia32_sys_read+0x90/0x90 [ 310.721445][ T2961] ? debug_smp_processor_id+0x17/0x20 [ 310.726808][ T2961] __x64_sys_write+0x7b/0x90 [ 310.731401][ T2961] do_syscall_64+0x34/0x70 [ 310.735802][ T2961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 310.741674][ T2961] RIP: 0033:0x7f85191c4049 [ 310.746070][ T2961] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 310.765845][ T2961] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 310.774599][ T2961] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 310.782646][ T2961] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 310.790862][ T2961] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 310.798840][ T2961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 310.806996][ T2961] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 310.815749][ T2954] CPU: 0 PID: 2954 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 310.826775][ T2954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 310.836822][ T2954] Call Trace: [ 310.840218][ T2954] dump_stack_lvl+0x1e2/0x24b [ 310.844962][ T2954] ? panic+0x7d7/0x7d7 [ 310.849105][ T2954] ? bfq_pos_tree_add_move+0x43e/0x43e [ 310.854729][ T2954] dump_stack+0x15/0x17 [ 310.858876][ T2954] should_fail+0x3c0/0x510 [ 310.863645][ T2954] get_futex_key+0x1bf/0xb60 [ 310.868225][ T2954] ? futex_wait_restart+0x250/0x250 [ 310.873503][ T2954] futex_wake+0x1d5/0xd00 [ 310.877986][ T2954] ? futex_wait+0x930/0x930 [ 310.882828][ T2954] ? __kasan_check_write+0x14/0x20 [ 310.887915][ T2954] ? __switch_to+0x5e4/0x1220 [ 310.892751][ T2954] ? native_set_ldt+0x360/0x360 [ 310.898534][ T2954] ? set_next_entity+0xc5/0x390 [ 310.903379][ T2954] ? compat_start_thread+0x80/0x80 [ 310.908475][ T2954] ? switch_mm_irqs_off+0x63f/0x990 [ 310.913663][ T2954] do_futex+0x13c7/0x3410 [ 310.917984][ T2954] ? finish_task_switch+0x130/0x580 [ 310.923269][ T2954] ? __switch_to_asm+0x5a/0x80 [ 310.928036][ T2954] ? futex_exit_release+0x1d0/0x1d0 [ 310.933383][ T2954] ? is_bpf_text_address+0x1a2/0x1c0 [ 310.938656][ T2954] ? is_module_text_address+0xe1/0x140 [ 310.944098][ T2954] ? stack_trace_save+0x1f0/0x1f0 [ 310.949105][ T2954] ? __kernel_text_address+0x9a/0x110 [ 310.954455][ T2954] ? unwind_get_return_address+0x4c/0x90 [ 310.960063][ T2954] ? arch_stack_walk+0xf8/0x140 [ 310.964906][ T2954] ? stack_trace_save+0x12d/0x1f0 [ 310.969909][ T2954] ? stack_trace_snprint+0x100/0x100 [ 310.975652][ T2954] ? stack_trace_save+0x12d/0x1f0 [ 310.980862][ T2954] ? stack_trace_snprint+0x100/0x100 [ 310.986137][ T2954] ? kasan_save_stack+0x4d/0x60 [ 310.991313][ T2954] ? kasan_save_stack+0x36/0x60 [ 310.996401][ T2954] ? kasan_record_aux_stack+0xca/0xf0 [ 311.001758][ T2954] ? call_rcu+0x140/0x1300 [ 311.006159][ T2954] ? __fput+0x5fb/0x7c0 [ 311.010474][ T2954] ? __kasan_check_write+0x14/0x20 [ 311.015652][ T2954] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 311.021192][ T2954] ? __kasan_check_write+0x14/0x20 [ 311.026281][ T2954] ? rt_mutex_unlock+0xe0/0x350 [ 311.031107][ T2954] ? uprobe_free_utask+0x82/0x160 [ 311.036107][ T2954] mm_release+0x1d2/0x320 [ 311.040427][ T2954] ? exit_mm_release+0x30/0x30 [ 311.045256][ T2954] ? futex_exit_release+0x11f/0x1d0 [ 311.050516][ T2954] exit_mm_release+0x25/0x30 [ 311.055104][ T2954] exit_mm+0xb6/0x790 [ 311.059063][ T2954] ? __delayacct_add_tsk+0x68d/0x720 [ 311.064411][ T2954] ? do_exit+0x2340/0x2340 [ 311.068908][ T2954] ? taskstats_exit+0x47d/0xba0 [ 311.073830][ T2954] ? mm_trace_rss_stat+0x3f/0x140 [ 311.078836][ T2954] do_exit+0x5f2/0x2340 [ 311.082970][ T2954] ? get_task_struct+0x80/0x80 [ 311.087746][ T2954] ? __fput+0x5fb/0x7c0 [ 311.091878][ T2954] ? __kasan_check_write+0x14/0x20 [ 311.096968][ T2954] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 311.102067][ T2954] do_group_exit+0x13a/0x300 [ 311.106729][ T2954] ? __kasan_check_write+0x14/0x20 [ 311.111852][ T2954] get_signal+0xe17/0x1440 [ 311.116368][ T2954] ? task_work_add+0x1b3/0x320 [ 311.121146][ T2954] arch_do_signal+0x8e/0x650 [ 311.126108][ T2954] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 311.131857][ T2954] ? ksys_write+0x25f/0x2c0 [ 311.136359][ T2954] exit_to_user_mode_loop+0xa3/0xe0 [ 311.141568][ T2954] syscall_exit_to_user_mode+0x77/0xa0 [ 311.147351][ T2954] do_syscall_64+0x40/0x70 [ 311.152047][ T2954] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 311.157932][ T2954] RIP: 0033:0x7f869babc049 [ 311.162350][ T2954] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 311.184902][ T2954] RSP: 002b:00007f869ba11168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 311.193839][ T2954] RAX: 0000000000000006 RBX: 00007f869bbcf030 RCX: 00007f869babc049 [ 311.201871][ T2954] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 311.209924][ T2954] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 311.217990][ T2954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 311.226115][ T2954] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 311.237714][ T2957] CPU: 0 PID: 2957 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 311.248333][ T2957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 311.258457][ T2957] Call Trace: [ 311.261756][ T2957] dump_stack_lvl+0x1e2/0x24b [ 311.266966][ T2957] ? bfq_pos_tree_add_move+0x43e/0x43e [ 311.272411][ T2957] ? vsnprintf+0x1fa/0x1cd0 [ 311.276907][ T2957] dump_stack+0x15/0x17 [ 311.281216][ T2957] should_fail+0x3c0/0x510 [ 311.285622][ T2957] should_fail_usercopy+0x1a/0x20 [ 311.290712][ T2957] _copy_from_user+0x20/0xd0 [ 311.295891][ T2957] kstrtouint_from_user+0xd7/0x2b0 [ 311.301616][ T2957] ? kstrtol_from_user+0x310/0x310 [ 311.306818][ T2957] ? snprintf+0xd6/0x120 [ 311.311847][ T2957] ? avc_policy_seqno+0x1b/0x70 [ 311.317122][ T2957] ? selinux_file_permission+0x2a9/0x520 [ 311.323222][ T2957] proc_fail_nth_write+0xa5/0x290 [ 311.328241][ T2957] ? security_file_permission+0x9d/0xc0 [ 311.334256][ T2957] ? proc_fail_nth_read+0x220/0x220 [ 311.339633][ T2957] ? security_file_permission+0xa8/0xc0 [ 311.345539][ T2957] ? rw_verify_area+0x1c2/0x360 [ 311.350396][ T2957] ? proc_fail_nth_read+0x220/0x220 [ 311.355843][ T2957] vfs_write+0x39b/0xf80 [ 311.360260][ T2957] ? kernel_write+0x420/0x420 [ 311.365027][ T2957] ? __kasan_check_write+0x14/0x20 [ 311.370835][ T2957] ? mutex_lock+0xb2/0x1e0 [ 311.375487][ T2957] ? mutex_trylock+0x180/0x180 [ 311.380404][ T2957] ? __fdget_pos+0x26d/0x310 [ 311.385246][ T2957] ? ksys_write+0x77/0x2c0 [ 311.389647][ T2957] ksys_write+0x198/0x2c0 [ 311.394222][ T2957] ? __ia32_sys_read+0x90/0x90 [ 311.399154][ T2957] ? debug_smp_processor_id+0x17/0x20 [ 311.404528][ T2957] __x64_sys_write+0x7b/0x90 [ 311.409335][ T2957] do_syscall_64+0x34/0x70 [ 311.414002][ T2957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 311.420926][ T2957] RIP: 0033:0x7faa22393b5f [ 311.425450][ T2957] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 311.446225][ T2957] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 311.454634][ T2957] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 311.462678][ T2957] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 311.471030][ T2957] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 311.479255][ T2957] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 311.487359][ T2957] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 311.498239][ T2964] FAULT_INJECTION: forcing a failure. 2022/08/30 17:00:52 executed programs: 1154 [ 311.498239][ T2964] name fail_futex, interval 1, probability 0, space 0, times 0 [ 311.504292][ T2966] FAULT_INJECTION: forcing a failure. [ 311.504292][ T2966] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 311.514866][ T2964] CPU: 0 PID: 2964 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 311.535842][ T2964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 311.542556][ T2968] FAULT_INJECTION: forcing a failure. [ 311.542556][ T2968] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 311.547383][ T2964] Call Trace: [ 311.547406][ T2964] dump_stack_lvl+0x1e2/0x24b [ 311.547416][ T2964] ? panic+0x7d7/0x7d7 [ 311.547425][ T2964] ? bfq_pos_tree_add_move+0x43e/0x43e [ 311.547436][ T2964] ? try_invoke_on_locked_down_task+0x280/0x280 [ 311.547445][ T2964] dump_stack+0x15/0x17 [ 311.547454][ T2964] should_fail+0x3c0/0x510 [ 311.547474][ T2964] get_futex_key+0x1bf/0xb60 [ 311.597925][ T2964] ? wake_up_process+0x10/0x20 [ 311.603078][ T2964] ? futex_wait_restart+0x250/0x250 [ 311.605764][ T2970] FAULT_INJECTION: forcing a failure. [ 311.605764][ T2970] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 311.608270][ T2964] futex_wake+0x1d5/0xd00 [ 311.608287][ T2964] ? futex_wait+0x930/0x930 [ 311.630471][ T2964] ? vfree_atomic+0x99/0xc0 [ 311.634982][ T2964] ? release_task_stack+0x4c2/0x660 [ 311.635665][ T2972] FAULT_INJECTION: forcing a failure. [ 311.635665][ T2972] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 311.640459][ T2964] ? put_task_stack+0x90/0x90 [ 311.640472][ T2964] do_futex+0x13c7/0x3410 [ 311.640485][ T2964] ? futex_exit_release+0x1d0/0x1d0 [ 311.640504][ T2964] ? is_bpf_text_address+0x1a2/0x1c0 [ 311.673203][ T2964] ? is_module_text_address+0xe1/0x140 [ 311.678919][ T2964] ? stack_trace_save+0x1f0/0x1f0 [ 311.683990][ T2964] ? __kernel_text_address+0x9a/0x110 [ 311.689878][ T2964] ? unwind_get_return_address+0x4c/0x90 [ 311.695597][ T2964] ? arch_stack_walk+0xf8/0x140 [ 311.700432][ T2964] ? stack_trace_save+0x12d/0x1f0 [ 311.706252][ T2964] ? stack_trace_snprint+0x100/0x100 [ 311.711561][ T2964] ? stack_trace_save+0x12d/0x1f0 [ 311.717742][ T2964] ? stack_trace_snprint+0x100/0x100 [ 311.723914][ T2964] ? kasan_save_stack+0x4d/0x60 [ 311.728760][ T2964] ? kasan_save_stack+0x36/0x60 [ 311.733687][ T2964] ? kasan_record_aux_stack+0xca/0xf0 [ 311.739048][ T2964] ? call_rcu+0x140/0x1300 [ 311.743476][ T2964] ? __fput+0x5fb/0x7c0 [ 311.747808][ T2964] ? __kasan_check_write+0x14/0x20 [ 311.752998][ T2964] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 311.758453][ T2964] ? __kasan_check_write+0x14/0x20 [ 311.764523][ T2964] ? rt_mutex_unlock+0xe0/0x350 [ 311.769374][ T2964] ? uprobe_free_utask+0x82/0x160 [ 311.774561][ T2964] mm_release+0x1d2/0x320 [ 311.778891][ T2964] ? exit_mm_release+0x30/0x30 [ 311.783962][ T2964] ? futex_exit_release+0x11f/0x1d0 [ 311.789695][ T2964] exit_mm_release+0x25/0x30 [ 311.794461][ T2964] exit_mm+0xb6/0x790 [ 311.798691][ T2964] ? __delayacct_add_tsk+0x68d/0x720 [ 311.803977][ T2964] ? do_exit+0x2340/0x2340 [ 311.808376][ T2964] ? taskstats_exit+0x47d/0xba0 [ 311.813470][ T2964] ? mm_trace_rss_stat+0x3f/0x140 [ 311.818481][ T2964] do_exit+0x5f2/0x2340 [ 311.823143][ T2964] ? get_task_struct+0x80/0x80 [ 311.827990][ T2964] ? __fput+0x5fb/0x7c0 [ 311.832225][ T2964] ? __kasan_check_write+0x14/0x20 [ 311.838642][ T2964] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 311.844177][ T2964] do_group_exit+0x13a/0x300 [ 311.849025][ T2964] ? __kasan_check_write+0x14/0x20 [ 311.854668][ T2964] get_signal+0xe17/0x1440 [ 311.859172][ T2964] ? task_work_add+0x1b3/0x320 [ 311.863925][ T2964] arch_do_signal+0x8e/0x650 [ 311.868606][ T2964] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 311.874343][ T2964] ? ksys_write+0x25f/0x2c0 [ 311.878852][ T2964] exit_to_user_mode_loop+0xa3/0xe0 [ 311.884236][ T2964] syscall_exit_to_user_mode+0x77/0xa0 [ 311.889896][ T2964] do_syscall_64+0x40/0x70 [ 311.894751][ T2964] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 311.900846][ T2964] RIP: 0033:0x7f022ab53049 [ 311.905277][ T2964] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 311.930363][ T2964] RSP: 002b:00007f022aaa8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 311.938966][ T2964] RAX: 0000000000000006 RBX: 00007f022ac66030 RCX: 00007f022ab53049 [ 311.947282][ T2964] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 311.955948][ T2964] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 311.963921][ T2964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 311.972262][ T2964] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 311.980332][ T2972] CPU: 1 PID: 2972 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 311.991745][ T2972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 312.002337][ T2972] Call Trace: [ 312.005899][ T2972] dump_stack_lvl+0x1e2/0x24b [ 312.010752][ T2972] ? bfq_pos_tree_add_move+0x43e/0x43e [ 312.016207][ T2972] ? vsnprintf+0x1fa/0x1cd0 [ 312.020796][ T2972] dump_stack+0x15/0x17 [ 312.025127][ T2972] should_fail+0x3c0/0x510 [ 312.029536][ T2972] should_fail_usercopy+0x1a/0x20 [ 312.034546][ T2972] _copy_from_user+0x20/0xd0 [ 312.039139][ T2972] kstrtouint_from_user+0xd7/0x2b0 [ 312.044261][ T2972] ? kstrtol_from_user+0x310/0x310 [ 312.049363][ T2972] ? snprintf+0xd6/0x120 [ 312.053583][ T2972] ? avc_policy_seqno+0x1b/0x70 [ 312.058500][ T2972] ? selinux_file_permission+0x2a9/0x520 [ 312.064110][ T2972] proc_fail_nth_write+0xa5/0x290 [ 312.069215][ T2972] ? security_file_permission+0x9d/0xc0 [ 312.074837][ T2972] ? proc_fail_nth_read+0x220/0x220 [ 312.080187][ T2972] ? security_file_permission+0xa8/0xc0 [ 312.086068][ T2972] ? rw_verify_area+0x1c2/0x360 [ 312.090980][ T2972] ? proc_fail_nth_read+0x220/0x220 [ 312.096251][ T2972] vfs_write+0x39b/0xf80 [ 312.101157][ T2972] ? kernel_write+0x420/0x420 [ 312.106089][ T2972] ? __kasan_check_write+0x14/0x20 [ 312.111443][ T2972] ? mutex_lock+0xb2/0x1e0 [ 312.116102][ T2972] ? mutex_trylock+0x180/0x180 [ 312.122247][ T2972] ? __fdget_pos+0x26d/0x310 [ 312.127532][ T2972] ? ksys_write+0x77/0x2c0 [ 312.133079][ T2972] ksys_write+0x198/0x2c0 [ 312.137867][ T2972] ? __ia32_sys_read+0x90/0x90 [ 312.142904][ T2972] ? debug_smp_processor_id+0x17/0x20 [ 312.148825][ T2972] __x64_sys_write+0x7b/0x90 [ 312.153576][ T2972] do_syscall_64+0x34/0x70 [ 312.158169][ T2972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 312.164307][ T2972] RIP: 0033:0x7f869ba6eb5f [ 312.168716][ T2972] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 312.193437][ T2972] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 312.202664][ T2972] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 312.210729][ T2972] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 312.218964][ T2972] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 312.227084][ T2972] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 312.235041][ T2972] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 312.243948][ T2968] CPU: 0 PID: 2968 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 312.254447][ T2968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 312.264837][ T2968] Call Trace: [ 312.268211][ T2968] dump_stack_lvl+0x1e2/0x24b [ 312.272968][ T2968] ? bfq_pos_tree_add_move+0x43e/0x43e [ 312.278410][ T2968] ? vsnprintf+0x1fa/0x1cd0 [ 312.283342][ T2968] dump_stack+0x15/0x17 [ 312.287566][ T2968] should_fail+0x3c0/0x510 [ 312.291989][ T2968] should_fail_usercopy+0x1a/0x20 [ 312.296997][ T2968] _copy_from_user+0x20/0xd0 [ 312.301583][ T2968] kstrtouint_from_user+0xd7/0x2b0 [ 312.306793][ T2968] ? kstrtol_from_user+0x310/0x310 [ 312.311974][ T2968] ? snprintf+0xd6/0x120 [ 312.316345][ T2968] ? avc_policy_seqno+0x1b/0x70 [ 312.321289][ T2968] ? selinux_file_permission+0x2a9/0x520 [ 312.327535][ T2968] proc_fail_nth_write+0xa5/0x290 [ 312.332741][ T2968] ? security_file_permission+0x9d/0xc0 [ 312.338625][ T2968] ? proc_fail_nth_read+0x220/0x220 [ 312.344070][ T2968] ? security_file_permission+0xa8/0xc0 [ 312.347554][ T2977] FAULT_INJECTION: forcing a failure. [ 312.347554][ T2977] name failslab, interval 1, probability 0, space 0, times 0 [ 312.349995][ T2968] ? rw_verify_area+0x1c2/0x360 [ 312.350005][ T2968] ? proc_fail_nth_read+0x220/0x220 [ 312.350022][ T2968] vfs_write+0x39b/0xf80 [ 312.378737][ T2968] ? kernel_write+0x420/0x420 [ 312.384652][ T2968] ? __kasan_check_write+0x14/0x20 [ 312.390222][ T2968] ? mutex_lock+0xb2/0x1e0 [ 312.395100][ T2968] ? mutex_trylock+0x180/0x180 [ 312.400245][ T2968] ? __fdget_pos+0x26d/0x310 [ 312.405177][ T2968] ? ksys_write+0x77/0x2c0 [ 312.410175][ T2968] ksys_write+0x198/0x2c0 [ 312.414604][ T2968] ? __ia32_sys_read+0x90/0x90 [ 312.419538][ T2968] ? debug_smp_processor_id+0x17/0x20 [ 312.425064][ T2968] __x64_sys_write+0x7b/0x90 [ 312.429813][ T2968] do_syscall_64+0x34/0x70 [ 312.434390][ T2968] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 312.440727][ T2968] RIP: 0033:0x7f6ebe0d0b5f [ 312.445217][ T2968] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 312.465148][ T2968] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 312.473581][ T2968] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 312.481719][ T2968] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 312.490061][ T2968] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 312.498189][ T2968] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 312.506759][ T2968] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 312.515480][ T2970] CPU: 1 PID: 2970 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 312.526209][ T2970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 312.536795][ T2970] Call Trace: [ 312.540097][ T2970] dump_stack_lvl+0x1e2/0x24b [ 312.545055][ T2970] ? bfq_pos_tree_add_move+0x43e/0x43e [ 312.550586][ T2970] ? vsnprintf+0x1fa/0x1cd0 [ 312.555095][ T2970] dump_stack+0x15/0x17 [ 312.559502][ T2970] should_fail+0x3c0/0x510 [ 312.564350][ T2970] should_fail_usercopy+0x1a/0x20 [ 312.569712][ T2970] _copy_from_user+0x20/0xd0 [ 312.574292][ T2970] kstrtouint_from_user+0xd7/0x2b0 [ 312.579504][ T2970] ? kstrtol_from_user+0x310/0x310 [ 312.584686][ T2970] ? snprintf+0xd6/0x120 [ 312.589002][ T2970] ? avc_policy_seqno+0x1b/0x70 [ 312.593936][ T2970] ? selinux_file_permission+0x2a9/0x520 [ 312.599744][ T2970] proc_fail_nth_write+0xa5/0x290 [ 312.604754][ T2970] ? security_file_permission+0x9d/0xc0 [ 312.610761][ T2970] ? proc_fail_nth_read+0x220/0x220 [ 312.616147][ T2970] ? security_file_permission+0xa8/0xc0 [ 312.621685][ T2970] ? rw_verify_area+0x1c2/0x360 [ 312.626879][ T2970] ? proc_fail_nth_read+0x220/0x220 [ 312.632076][ T2970] vfs_write+0x39b/0xf80 [ 312.636569][ T2970] ? kernel_write+0x420/0x420 [ 312.641329][ T2970] ? __kasan_check_write+0x14/0x20 [ 312.646517][ T2970] ? mutex_lock+0xb2/0x1e0 [ 312.651014][ T2970] ? mutex_trylock+0x180/0x180 [ 312.655782][ T2970] ? __fdget_pos+0x26d/0x310 [ 312.660399][ T2970] ? ksys_write+0x77/0x2c0 [ 312.664906][ T2970] ksys_write+0x198/0x2c0 [ 312.669221][ T2970] ? __ia32_sys_read+0x90/0x90 [ 312.673968][ T2970] ? debug_smp_processor_id+0x17/0x20 [ 312.680020][ T2970] __x64_sys_write+0x7b/0x90 [ 312.684778][ T2970] do_syscall_64+0x34/0x70 [ 312.689601][ T2970] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 312.697183][ T2970] RIP: 0033:0x7faa22393b5f [ 312.701864][ T2970] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 312.722484][ T2970] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 312.731095][ T2970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 312.739711][ T2970] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 312.748047][ T2970] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 312.756121][ T2970] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 312.764947][ T2970] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 312.773084][ T2966] CPU: 0 PID: 2966 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 312.783437][ T2966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 312.793588][ T2966] Call Trace: [ 312.797051][ T2966] dump_stack_lvl+0x1e2/0x24b [ 312.801989][ T2966] ? bfq_pos_tree_add_move+0x43e/0x43e [ 312.807554][ T2966] ? vsnprintf+0x1fa/0x1cd0 [ 312.812048][ T2966] dump_stack+0x15/0x17 [ 312.816210][ T2966] should_fail+0x3c0/0x510 [ 312.820831][ T2966] should_fail_usercopy+0x1a/0x20 [ 312.826048][ T2966] _copy_from_user+0x20/0xd0 [ 312.830939][ T2966] kstrtouint_from_user+0xd7/0x2b0 [ 312.836331][ T2966] ? kstrtol_from_user+0x310/0x310 [ 312.841447][ T2966] ? snprintf+0xd6/0x120 [ 312.845674][ T2966] ? avc_policy_seqno+0x1b/0x70 [ 312.850507][ T2966] ? selinux_file_permission+0x2a9/0x520 [ 312.856141][ T2966] proc_fail_nth_write+0xa5/0x290 [ 312.861154][ T2966] ? security_file_permission+0x9d/0xc0 [ 312.866701][ T2966] ? proc_fail_nth_read+0x220/0x220 [ 312.871885][ T2966] ? security_file_permission+0xa8/0xc0 [ 312.877414][ T2966] ? rw_verify_area+0x1c2/0x360 [ 312.882246][ T2966] ? proc_fail_nth_read+0x220/0x220 [ 312.887425][ T2966] vfs_write+0x39b/0xf80 [ 312.891648][ T2966] ? kernel_write+0x420/0x420 [ 312.896326][ T2966] ? __kasan_check_write+0x14/0x20 [ 312.901531][ T2966] ? mutex_lock+0xb2/0x1e0 [ 312.905947][ T2966] ? mutex_trylock+0x180/0x180 [ 312.910709][ T2966] ? __fdget_pos+0x26d/0x310 [ 312.915379][ T2966] ? ksys_write+0x77/0x2c0 [ 312.920087][ T2966] ksys_write+0x198/0x2c0 [ 312.924778][ T2966] ? __kasan_check_write+0x14/0x20 [ 312.931697][ T2966] ? __ia32_sys_read+0x90/0x90 [ 312.936673][ T2966] ? debug_smp_processor_id+0x17/0x20 [ 312.942313][ T2966] __x64_sys_write+0x7b/0x90 [ 312.946996][ T2966] do_syscall_64+0x34/0x70 [ 312.951440][ T2966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 312.957353][ T2966] RIP: 0033:0x7f7d1c31ab5f [ 312.961875][ T2966] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 312.983136][ T2966] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 312.991550][ T2966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 312.999711][ T2966] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 313.007862][ T2966] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 313.016167][ T2966] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 313.024299][ T2966] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 313.032798][ T2977] CPU: 1 PID: 2977 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 313.043218][ T2977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 313.053268][ T2977] Call Trace: [ 313.056630][ T2977] dump_stack_lvl+0x1e2/0x24b [ 313.061290][ T2977] ? panic+0x7d7/0x7d7 [ 313.065432][ T2977] ? bfq_pos_tree_add_move+0x43e/0x43e [ 313.071301][ T2977] ? find_next_bit+0xd6/0x120 [ 313.076049][ T2977] ? cpumask_next+0x11/0x30 [ 313.080529][ T2977] dump_stack+0x15/0x17 [ 313.084750][ T2977] should_fail+0x3c0/0x510 [ 313.089879][ T2977] ? percpu_ref_init+0xd0/0x340 [ 313.094715][ T2977] __should_failslab+0x9f/0xe0 [ 313.099827][ T2977] should_failslab+0x9/0x20 [ 313.104486][ T2977] kmem_cache_alloc_trace+0x3a/0x330 [ 313.109746][ T2977] percpu_ref_init+0xd0/0x340 [ 313.114580][ T2977] ? cgroup_setup_root+0xea0/0xea0 [ 313.119665][ T2977] cgroup_apply_control_enable+0x3a2/0x12f0 [ 313.125607][ T2977] ? cgroup_reconfigure+0xe0/0xe0 [ 313.130611][ T2977] cgroup_apply_control+0x8e/0x7e0 [ 313.135701][ T2977] ? css_next_child+0x160/0x160 [ 313.140613][ T2977] ? io_schedule+0x120/0x120 [ 313.145226][ T2977] ? kernfs_fop_write_iter+0x15e/0x410 [ 313.150663][ T2977] ? __kasan_check_write+0x14/0x20 [ 313.155772][ T2977] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 313.161237][ T2977] cgroup_subtree_control_write+0xd19/0x1310 [ 313.167319][ T2977] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 313.173343][ T2977] ? __kasan_check_write+0x14/0x20 [ 313.178433][ T2977] ? _copy_from_iter+0x3fb/0xd60 [ 313.183437][ T2977] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 313.189495][ T2977] cgroup_file_write+0x28e/0x590 [ 313.194415][ T2977] ? cgroup_seqfile_stop+0xc0/0xc0 [ 313.199675][ T2977] ? mutex_trylock+0x180/0x180 [ 313.204675][ T2977] ? __kasan_check_write+0x14/0x20 [ 313.209868][ T2977] kernfs_fop_write_iter+0x2d0/0x410 [ 313.215128][ T2977] ? cgroup_seqfile_stop+0xc0/0xc0 [ 313.220237][ T2977] vfs_write+0xc4a/0xf80 [ 313.224468][ T2977] ? kernel_write+0x420/0x420 [ 313.229130][ T2977] ? mutex_lock+0xb2/0x1e0 [ 313.233619][ T2977] ? mutex_trylock+0x180/0x180 [ 313.238417][ T2977] ? __fdget_pos+0x26d/0x310 [ 313.243071][ T2977] ? ksys_write+0x77/0x2c0 [ 313.247493][ T2977] ksys_write+0x198/0x2c0 [ 313.251797][ T2977] ? __ia32_sys_read+0x90/0x90 [ 313.256550][ T2977] ? debug_smp_processor_id+0x17/0x20 [ 313.261900][ T2977] __x64_sys_write+0x7b/0x90 [ 313.266465][ T2977] do_syscall_64+0x34/0x70 [ 313.270856][ T2977] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 313.276721][ T2977] RIP: 0033:0x7f85191c4049 [ 313.281123][ T2977] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 313.300881][ T2977] RSP: 002b:00007f85190f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 313.309267][ T2977] RAX: ffffffffffffffda RBX: 00007f85192d7100 RCX: 00007f85191c4049 [ 313.317497][ T2977] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 313.325624][ T2977] RBP: 00007f85190f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 313.333784][ T2977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 313.342063][ T2977] R13: 00007ffd0d50551f R14: 00007f85190f8300 R15: 0000000000022000 [ 313.357407][ T2982] FAULT_INJECTION: forcing a failure. [ 313.357407][ T2982] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 313.360085][ T2983] FAULT_INJECTION: forcing a failure. [ 313.360085][ T2983] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 313.384189][ T2982] CPU: 1 PID: 2982 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 313.389713][ T2989] FAULT_INJECTION: forcing a failure. [ 313.389713][ T2989] name failslab, interval 1, probability 0, space 0, times 0 [ 313.394739][ T2982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 313.394744][ T2982] Call Trace: [ 313.394761][ T2982] dump_stack_lvl+0x1e2/0x24b [ 313.394779][ T2982] ? bfq_pos_tree_add_move+0x43e/0x43e [ 313.433171][ T2982] ? vsnprintf+0x1fa/0x1cd0 [ 313.437660][ T2982] dump_stack+0x15/0x17 [ 313.441808][ T2982] should_fail+0x3c0/0x510 [ 313.446296][ T2982] should_fail_usercopy+0x1a/0x20 [ 313.451485][ T2982] _copy_from_user+0x20/0xd0 [ 313.456234][ T2982] kstrtouint_from_user+0xd7/0x2b0 [ 313.461548][ T2982] ? kstrtol_from_user+0x310/0x310 [ 313.466725][ T2982] ? snprintf+0xd6/0x120 [ 313.470959][ T2982] ? avc_policy_seqno+0x1b/0x70 [ 313.475811][ T2982] ? selinux_file_permission+0x2a9/0x520 [ 313.481537][ T2982] proc_fail_nth_write+0xa5/0x290 [ 313.486552][ T2982] ? security_file_permission+0x9d/0xc0 [ 313.492081][ T2982] ? proc_fail_nth_read+0x220/0x220 [ 313.497283][ T2982] ? security_file_permission+0xa8/0xc0 [ 313.502831][ T2982] ? rw_verify_area+0x1c2/0x360 [ 313.507930][ T2982] ? proc_fail_nth_read+0x220/0x220 [ 313.513114][ T2982] vfs_write+0x39b/0xf80 [ 313.517353][ T2982] ? kernel_write+0x420/0x420 [ 313.522035][ T2982] ? __kasan_check_write+0x14/0x20 [ 313.527348][ T2982] ? mutex_lock+0xb2/0x1e0 [ 313.531773][ T2982] ? mutex_trylock+0x180/0x180 [ 313.536522][ T2982] ? __fdget_pos+0x26d/0x310 [ 313.541329][ T2982] ? ksys_write+0x77/0x2c0 [ 313.545787][ T2982] ksys_write+0x198/0x2c0 [ 313.550215][ T2982] ? __ia32_sys_read+0x90/0x90 [ 313.555058][ T2982] ? debug_smp_processor_id+0x17/0x20 [ 313.560506][ T2982] __x64_sys_write+0x7b/0x90 [ 313.565734][ T2982] do_syscall_64+0x34/0x70 [ 313.570237][ T2982] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 313.576119][ T2982] RIP: 0033:0x7f6ebe0d0b5f [ 313.580617][ T2982] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 313.600306][ T2982] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 313.608801][ T2982] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 313.616933][ T2982] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 313.625265][ T2982] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 313.633325][ T2982] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 313.641543][ T2982] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 313.649988][ T2989] CPU: 0 PID: 2989 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 313.660686][ T2989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 313.671405][ T2989] Call Trace: [ 313.674700][ T2989] dump_stack_lvl+0x1e2/0x24b [ 313.679575][ T2989] ? panic+0x7d7/0x7d7 [ 313.683877][ T2989] ? bfq_pos_tree_add_move+0x43e/0x43e [ 313.689760][ T2989] ? find_next_bit+0xd6/0x120 [ 313.694420][ T2989] ? cpumask_next+0x11/0x30 [ 313.698905][ T2989] dump_stack+0x15/0x17 [ 313.703328][ T2989] should_fail+0x3c0/0x510 [ 313.707851][ T2989] ? percpu_ref_init+0xd0/0x340 [ 313.712794][ T2989] __should_failslab+0x9f/0xe0 [ 313.717543][ T2989] should_failslab+0x9/0x20 [ 313.722377][ T2989] kmem_cache_alloc_trace+0x3a/0x330 [ 313.729986][ T2989] percpu_ref_init+0xd0/0x340 [ 313.734838][ T2989] ? cgroup_setup_root+0xea0/0xea0 [ 313.739938][ T2989] cgroup_apply_control_enable+0x3a2/0x12f0 [ 313.746074][ T2989] ? cgroup_reconfigure+0xe0/0xe0 [ 313.751114][ T2989] cgroup_apply_control+0x8e/0x7e0 [ 313.756388][ T2989] ? css_next_child+0x160/0x160 [ 313.761547][ T2989] ? io_schedule+0x120/0x120 [ 313.766144][ T2989] ? kernfs_fop_write_iter+0x15e/0x410 [ 313.771736][ T2989] ? __kasan_check_write+0x14/0x20 [ 313.777014][ T2989] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 313.782296][ T2989] cgroup_subtree_control_write+0xd19/0x1310 [ 313.788273][ T2989] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 313.794969][ T2989] ? __kasan_check_write+0x14/0x20 [ 313.800890][ T2989] ? _copy_from_iter+0x3fb/0xd60 [ 313.806017][ T2989] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 313.812901][ T2989] cgroup_file_write+0x28e/0x590 [ 313.817859][ T2989] ? cgroup_seqfile_stop+0xc0/0xc0 [ 313.823315][ T2989] ? mutex_trylock+0x180/0x180 [ 313.828370][ T2989] ? __kasan_check_write+0x14/0x20 [ 313.833690][ T2989] kernfs_fop_write_iter+0x2d0/0x410 [ 313.839070][ T2989] ? cgroup_seqfile_stop+0xc0/0xc0 [ 313.844168][ T2989] vfs_write+0xc4a/0xf80 [ 313.848498][ T2989] ? kernel_write+0x420/0x420 [ 313.853244][ T2989] ? mutex_lock+0xb2/0x1e0 [ 313.857644][ T2989] ? mutex_trylock+0x180/0x180 [ 313.862392][ T2989] ? __fdget_pos+0x26d/0x310 [ 313.867743][ T2989] ? ksys_write+0x77/0x2c0 [ 313.872315][ T2989] ksys_write+0x198/0x2c0 [ 313.877266][ T2989] ? __ia32_sys_read+0x90/0x90 [ 313.882370][ T2989] ? debug_smp_processor_id+0x17/0x20 [ 313.887976][ T2989] __x64_sys_write+0x7b/0x90 [ 313.892637][ T2989] do_syscall_64+0x34/0x70 [ 313.897203][ T2989] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 313.903173][ T2989] RIP: 0033:0x7f85191c4049 [ 313.907713][ T2989] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 313.928032][ T2989] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 313.937134][ T2989] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 313.945186][ T2989] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 313.953531][ T2989] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 313.961836][ T2989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 313.969782][ T2989] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 313.981200][ T2990] FAULT_INJECTION: forcing a failure. [ 313.981200][ T2990] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 313.996400][ T2996] FAULT_INJECTION: forcing a failure. [ 313.996400][ T2996] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 313.997203][ T2997] FAULT_INJECTION: forcing a failure. [ 313.997203][ T2997] name failslab, interval 1, probability 0, space 0, times 0 [ 314.011981][ T2990] CPU: 0 PID: 2990 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 314.033979][ T2990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 314.044380][ T2990] Call Trace: [ 314.047834][ T2990] dump_stack_lvl+0x1e2/0x24b [ 314.052583][ T2990] ? bfq_pos_tree_add_move+0x43e/0x43e [ 314.058433][ T2990] ? vsnprintf+0x1fa/0x1cd0 [ 314.063043][ T2990] dump_stack+0x15/0x17 [ 314.067187][ T2990] should_fail+0x3c0/0x510 [ 314.071772][ T2990] should_fail_usercopy+0x1a/0x20 [ 314.076789][ T2990] _copy_from_user+0x20/0xd0 [ 314.081370][ T2990] kstrtouint_from_user+0xd7/0x2b0 [ 314.086676][ T2990] ? kstrtol_from_user+0x310/0x310 [ 314.091796][ T2990] ? snprintf+0xd6/0x120 [ 314.096051][ T2990] ? avc_policy_seqno+0x1b/0x70 [ 314.101071][ T2990] ? selinux_file_permission+0x2a9/0x520 [ 314.107402][ T2990] proc_fail_nth_write+0xa5/0x290 [ 314.112409][ T2990] ? security_file_permission+0x9d/0xc0 [ 314.118242][ T2990] ? proc_fail_nth_read+0x220/0x220 [ 314.123996][ T2990] ? security_file_permission+0xa8/0xc0 [ 314.129619][ T2990] ? rw_verify_area+0x1c2/0x360 [ 314.134558][ T2990] ? proc_fail_nth_read+0x220/0x220 [ 314.140042][ T2990] vfs_write+0x39b/0xf80 [ 314.144271][ T2990] ? kernel_write+0x420/0x420 [ 314.149195][ T2990] ? __kasan_check_write+0x14/0x20 [ 314.154498][ T2990] ? mutex_lock+0xb2/0x1e0 [ 314.159072][ T2990] ? mutex_trylock+0x180/0x180 [ 314.163819][ T2990] ? __fdget_pos+0x26d/0x310 [ 314.168475][ T2990] ? ksys_write+0x77/0x2c0 [ 314.172963][ T2990] ksys_write+0x198/0x2c0 [ 314.177450][ T2990] ? __kasan_check_write+0x14/0x20 [ 314.182717][ T2990] ? __ia32_sys_read+0x90/0x90 [ 314.187552][ T2990] ? debug_smp_processor_id+0x17/0x20 [ 314.192985][ T2990] __x64_sys_write+0x7b/0x90 [ 314.197827][ T2990] do_syscall_64+0x34/0x70 [ 314.202502][ T2990] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 314.208377][ T2990] RIP: 0033:0x7faa22393b5f [ 314.212962][ T2990] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 314.232922][ T2990] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 314.241439][ T2990] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 314.249757][ T2990] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 314.258256][ T2990] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 314.266350][ T2990] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 314.274396][ T2990] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 314.282385][ T2983] CPU: 1 PID: 2983 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 314.292945][ T2983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 314.303336][ T2983] Call Trace: [ 314.306619][ T2983] dump_stack_lvl+0x1e2/0x24b [ 314.311282][ T2983] ? bfq_pos_tree_add_move+0x43e/0x43e [ 314.317096][ T2983] ? vsnprintf+0x1fa/0x1cd0 [ 314.321592][ T2983] dump_stack+0x15/0x17 [ 314.325754][ T2983] should_fail+0x3c0/0x510 [ 314.330587][ T2983] should_fail_usercopy+0x1a/0x20 [ 314.335791][ T2983] _copy_from_user+0x20/0xd0 [ 314.340452][ T2983] kstrtouint_from_user+0xd7/0x2b0 [ 314.345641][ T2983] ? kstrtol_from_user+0x310/0x310 [ 314.351025][ T2983] ? snprintf+0xd6/0x120 [ 314.355248][ T2983] ? avc_policy_seqno+0x1b/0x70 [ 314.360269][ T2983] ? selinux_file_permission+0x2a9/0x520 [ 314.367011][ T2983] proc_fail_nth_write+0xa5/0x290 [ 314.372100][ T2983] ? security_file_permission+0x9d/0xc0 [ 314.377619][ T2983] ? proc_fail_nth_read+0x220/0x220 [ 314.382879][ T2983] ? security_file_permission+0xa8/0xc0 [ 314.388442][ T2983] ? rw_verify_area+0x1c2/0x360 [ 314.393452][ T2983] ? proc_fail_nth_read+0x220/0x220 [ 314.398740][ T2983] vfs_write+0x39b/0xf80 [ 314.403114][ T2983] ? kernel_write+0x420/0x420 [ 314.407961][ T2983] ? __kasan_check_write+0x14/0x20 [ 314.413322][ T2983] ? mutex_lock+0xb2/0x1e0 [ 314.418172][ T2983] ? mutex_trylock+0x180/0x180 [ 314.423436][ T2983] ? __fdget_pos+0x26d/0x310 [ 314.428382][ T2983] ? ksys_write+0x77/0x2c0 [ 314.433086][ T2983] ksys_write+0x198/0x2c0 [ 314.437427][ T2983] ? __kasan_check_write+0x14/0x20 [ 314.442617][ T2983] ? __ia32_sys_read+0x90/0x90 [ 314.447449][ T2983] ? debug_smp_processor_id+0x17/0x20 [ 314.452904][ T2983] __x64_sys_write+0x7b/0x90 [ 314.457764][ T2983] do_syscall_64+0x34/0x70 [ 314.462282][ T2983] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 314.468689][ T2983] RIP: 0033:0x7f869ba6eb5f [ 314.473363][ T2983] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 314.493921][ T2983] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 314.502343][ T2983] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 314.510317][ T2983] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 314.518413][ T2983] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 314.526387][ T2983] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 314.534754][ T2983] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 314.543864][ T2996] CPU: 1 PID: 2996 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 314.554553][ T2996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 314.565060][ T2996] Call Trace: [ 314.568455][ T2996] dump_stack_lvl+0x1e2/0x24b [ 314.573356][ T2996] ? bfq_pos_tree_add_move+0x43e/0x43e [ 314.578976][ T2996] ? vsnprintf+0x1fa/0x1cd0 [ 314.584334][ T2996] dump_stack+0x15/0x17 [ 314.588479][ T2996] should_fail+0x3c0/0x510 [ 314.592980][ T2996] should_fail_usercopy+0x1a/0x20 [ 314.598180][ T2996] _copy_from_user+0x20/0xd0 [ 314.602841][ T2996] kstrtouint_from_user+0xd7/0x2b0 [ 314.608121][ T2996] ? kstrtol_from_user+0x310/0x310 [ 314.613235][ T2996] ? snprintf+0xd6/0x120 [ 314.617583][ T2996] ? avc_policy_seqno+0x1b/0x70 [ 314.622559][ T2996] ? selinux_file_permission+0x2a9/0x520 [ 314.628271][ T2996] proc_fail_nth_write+0xa5/0x290 [ 314.634069][ T2996] ? security_file_permission+0x9d/0xc0 [ 314.639882][ T2996] ? proc_fail_nth_read+0x220/0x220 [ 314.645146][ T2996] ? security_file_permission+0xa8/0xc0 [ 314.650849][ T2996] ? rw_verify_area+0x1c2/0x360 [ 314.656247][ T2996] ? proc_fail_nth_read+0x220/0x220 [ 314.661463][ T2996] vfs_write+0x39b/0xf80 [ 314.665951][ T2996] ? kernel_write+0x420/0x420 [ 314.670789][ T2996] ? __kasan_check_write+0x14/0x20 [ 314.675964][ T2996] ? mutex_lock+0xb2/0x1e0 [ 314.680446][ T2996] ? mutex_trylock+0x180/0x180 [ 314.685311][ T2996] ? __fdget_pos+0x26d/0x310 [ 314.689988][ T2996] ? ksys_write+0x77/0x2c0 [ 314.694578][ T2996] ksys_write+0x198/0x2c0 [ 314.698913][ T2996] ? __ia32_sys_read+0x90/0x90 [ 314.704285][ T2996] ? debug_smp_processor_id+0x17/0x20 [ 314.709674][ T2996] __x64_sys_write+0x7b/0x90 [ 314.714265][ T2996] do_syscall_64+0x34/0x70 [ 314.719045][ T2996] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 314.725453][ T2996] RIP: 0033:0x7f6ebe0d0b5f [ 314.729939][ T2996] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 314.750499][ T2996] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 314.759089][ T2996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 314.767218][ T2996] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 314.775495][ T2996] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 314.783971][ T2996] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 314.792017][ T2996] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 314.801580][ T2997] CPU: 1 PID: 2997 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 314.812078][ T2997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 314.822294][ T2997] Call Trace: [ 314.825576][ T2997] dump_stack_lvl+0x1e2/0x24b [ 314.830492][ T2997] ? panic+0x7d7/0x7d7 [ 314.834720][ T2997] ? bfq_pos_tree_add_move+0x43e/0x43e [ 314.840418][ T2997] ? find_next_bit+0xd6/0x120 [ 314.845091][ T2997] ? cpumask_next+0x11/0x30 [ 314.849681][ T2997] dump_stack+0x15/0x17 [ 314.854418][ T2997] should_fail+0x3c0/0x510 [ 314.858912][ T2997] ? percpu_ref_init+0xd0/0x340 [ 314.863750][ T2997] __should_failslab+0x9f/0xe0 [ 314.868581][ T2997] should_failslab+0x9/0x20 [ 314.873255][ T2997] kmem_cache_alloc_trace+0x3a/0x330 [ 314.878516][ T2997] percpu_ref_init+0xd0/0x340 [ 314.883307][ T2997] ? cgroup_setup_root+0xea0/0xea0 [ 314.888493][ T2997] cgroup_apply_control_enable+0x3a2/0x12f0 [ 314.894657][ T2997] ? cgroup_reconfigure+0xe0/0xe0 [ 314.899873][ T2997] cgroup_apply_control+0x8e/0x7e0 [ 314.904962][ T2997] ? css_next_child+0x160/0x160 [ 314.909919][ T2997] ? io_schedule+0x120/0x120 [ 314.914664][ T2997] ? kernfs_fop_write_iter+0x15e/0x410 [ 314.920139][ T2997] ? __kasan_check_write+0x14/0x20 [ 314.925331][ T2997] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 314.931641][ T2997] cgroup_subtree_control_write+0xd19/0x1310 [ 314.937916][ T2997] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 314.944134][ T2997] ? __kasan_check_write+0x14/0x20 [ 314.949219][ T2997] ? _copy_from_iter+0x3fb/0xd60 [ 314.954136][ T2997] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 314.960266][ T2997] cgroup_file_write+0x28e/0x590 [ 314.965271][ T2997] ? cgroup_seqfile_stop+0xc0/0xc0 [ 314.970624][ T2997] ? mutex_trylock+0x180/0x180 [ 314.975480][ T2997] ? __kasan_check_write+0x14/0x20 [ 314.980813][ T2997] kernfs_fop_write_iter+0x2d0/0x410 [ 314.986252][ T2997] ? cgroup_seqfile_stop+0xc0/0xc0 [ 314.991344][ T2997] vfs_write+0xc4a/0xf80 [ 314.995823][ T2997] ? kernel_write+0x420/0x420 [ 315.000488][ T2997] ? mutex_lock+0xb2/0x1e0 [ 315.005158][ T2997] ? mutex_trylock+0x180/0x180 [ 315.009983][ T2997] ? __fdget_pos+0x26d/0x310 [ 315.014647][ T2997] ? ksys_write+0x77/0x2c0 [ 315.019170][ T2997] ksys_write+0x198/0x2c0 [ 315.023493][ T2997] ? __ia32_sys_read+0x90/0x90 [ 315.028343][ T2997] ? debug_smp_processor_id+0x17/0x20 [ 315.033700][ T2997] __x64_sys_write+0x7b/0x90 [ 315.038541][ T2997] do_syscall_64+0x34/0x70 [ 315.043049][ T2997] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 315.049202][ T2997] RIP: 0033:0x7f85191c4049 [ 315.053838][ T2997] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 315.074080][ T2997] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 315.082931][ T2997] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 315.091594][ T2997] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 315.099751][ T2997] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 315.107714][ T2997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 315.115687][ T2997] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 315.138361][ T2999] FAULT_INJECTION: forcing a failure. [ 315.138361][ T2999] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 315.147997][ T3001] FAULT_INJECTION: forcing a failure. [ 315.147997][ T3001] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 315.160606][ T3007] FAULT_INJECTION: forcing a failure. [ 315.160606][ T3007] name failslab, interval 1, probability 0, space 0, times 0 [ 315.179037][ T2999] CPU: 0 PID: 2999 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 315.189937][ T2999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 315.200442][ T2999] Call Trace: [ 315.204106][ T2999] dump_stack_lvl+0x1e2/0x24b [ 315.209114][ T2999] ? bfq_pos_tree_add_move+0x43e/0x43e [ 315.214557][ T2999] ? vsnprintf+0x1fa/0x1cd0 [ 315.219128][ T2999] dump_stack+0x15/0x17 [ 315.223268][ T2999] should_fail+0x3c0/0x510 [ 315.227777][ T2999] should_fail_usercopy+0x1a/0x20 [ 315.233394][ T2999] _copy_from_user+0x20/0xd0 [ 315.238256][ T2999] kstrtouint_from_user+0xd7/0x2b0 [ 315.243654][ T2999] ? kstrtol_from_user+0x310/0x310 [ 315.249126][ T2999] ? snprintf+0xd6/0x120 [ 315.253705][ T2999] ? avc_policy_seqno+0x1b/0x70 [ 315.258992][ T2999] ? selinux_file_permission+0x2a9/0x520 [ 315.264793][ T2999] proc_fail_nth_write+0xa5/0x290 [ 315.271126][ T2999] ? security_file_permission+0x9d/0xc0 [ 315.276741][ T2999] ? proc_fail_nth_read+0x220/0x220 [ 315.281917][ T2999] ? security_file_permission+0xa8/0xc0 [ 315.287441][ T2999] ? rw_verify_area+0x1c2/0x360 [ 315.292274][ T2999] ? proc_fail_nth_read+0x220/0x220 [ 315.297464][ T2999] vfs_write+0x39b/0xf80 [ 315.301868][ T2999] ? kernel_write+0x420/0x420 [ 315.306708][ T2999] ? __kasan_check_write+0x14/0x20 [ 315.311884][ T2999] ? mutex_lock+0xb2/0x1e0 [ 315.316369][ T2999] ? mutex_trylock+0x180/0x180 [ 315.321124][ T2999] ? __fdget_pos+0x26d/0x310 [ 315.325718][ T2999] ? ksys_write+0x77/0x2c0 [ 315.330125][ T2999] ksys_write+0x198/0x2c0 [ 315.334534][ T2999] ? __kasan_check_write+0x14/0x20 [ 315.339885][ T2999] ? __ia32_sys_read+0x90/0x90 [ 315.345228][ T2999] ? debug_smp_processor_id+0x17/0x20 [ 315.350582][ T2999] __x64_sys_write+0x7b/0x90 [ 315.355353][ T2999] do_syscall_64+0x34/0x70 [ 315.359874][ T2999] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 315.366006][ T2999] RIP: 0033:0x7f869ba6eb5f [ 315.370419][ T2999] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 315.390641][ T2999] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 315.399487][ T2999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 315.408426][ T2999] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 315.416474][ T2999] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 315.424620][ T2999] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 315.433035][ T2999] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 315.441651][ T3001] CPU: 1 PID: 3001 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 315.453205][ T3001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 315.463694][ T3001] Call Trace: [ 315.466981][ T3001] dump_stack_lvl+0x1e2/0x24b [ 315.471758][ T3001] ? bfq_pos_tree_add_move+0x43e/0x43e [ 315.477686][ T3001] ? vsnprintf+0x1fa/0x1cd0 [ 315.482430][ T3001] dump_stack+0x15/0x17 [ 315.486752][ T3001] should_fail+0x3c0/0x510 [ 315.492601][ T3001] should_fail_usercopy+0x1a/0x20 [ 315.497993][ T3001] _copy_from_user+0x20/0xd0 [ 315.502939][ T3001] kstrtouint_from_user+0xd7/0x2b0 [ 315.508165][ T3001] ? kstrtol_from_user+0x310/0x310 [ 315.513283][ T3001] ? snprintf+0xd6/0x120 [ 315.517532][ T3001] ? avc_policy_seqno+0x1b/0x70 [ 315.522467][ T3001] ? selinux_file_permission+0x2a9/0x520 [ 315.528474][ T3001] proc_fail_nth_write+0xa5/0x290 [ 315.533490][ T3001] ? security_file_permission+0x9d/0xc0 [ 315.539330][ T3001] ? proc_fail_nth_read+0x220/0x220 [ 315.544625][ T3001] ? security_file_permission+0xa8/0xc0 [ 315.550959][ T3001] ? rw_verify_area+0x1c2/0x360 [ 315.556542][ T3001] ? proc_fail_nth_read+0x220/0x220 [ 315.561832][ T3001] vfs_write+0x39b/0xf80 [ 315.566674][ T3001] ? kernel_write+0x420/0x420 [ 315.571424][ T3001] ? __kasan_check_write+0x14/0x20 [ 315.576606][ T3001] ? mutex_lock+0xb2/0x1e0 [ 315.581104][ T3001] ? mutex_trylock+0x180/0x180 [ 315.585957][ T3001] ? __fdget_pos+0x26d/0x310 [ 315.590657][ T3001] ? ksys_write+0x77/0x2c0 [ 315.595229][ T3001] ksys_write+0x198/0x2c0 [ 315.599894][ T3001] ? __ia32_sys_read+0x90/0x90 [ 315.604641][ T3001] ? debug_smp_processor_id+0x17/0x20 [ 315.610002][ T3001] __x64_sys_write+0x7b/0x90 [ 315.615038][ T3001] do_syscall_64+0x34/0x70 [ 315.619524][ T3001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 315.625532][ T3001] RIP: 0033:0x7faa22393b5f [ 315.630195][ T3001] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 315.650179][ T3001] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 315.658685][ T3001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 315.666987][ T3001] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 315.675324][ T3001] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 315.683550][ T3001] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 315.691874][ T3001] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 315.700010][ T3007] CPU: 0 PID: 3007 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 315.710537][ T3007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 315.720782][ T3007] Call Trace: [ 315.724237][ T3007] dump_stack_lvl+0x1e2/0x24b [ 315.728899][ T3007] ? panic+0x7d7/0x7d7 [ 315.733050][ T3007] ? bfq_pos_tree_add_move+0x43e/0x43e [ 315.739003][ T3007] ? find_next_bit+0xd6/0x120 [ 315.743966][ T3007] ? cpumask_next+0x11/0x30 [ 315.748474][ T3007] dump_stack+0x15/0x17 [ 315.752623][ T3007] should_fail+0x3c0/0x510 [ 315.757124][ T3007] ? percpu_ref_init+0xd0/0x340 [ 315.762141][ T3007] __should_failslab+0x9f/0xe0 [ 315.767138][ T3007] should_failslab+0x9/0x20 [ 315.772392][ T3007] kmem_cache_alloc_trace+0x3a/0x330 [ 315.777779][ T3007] percpu_ref_init+0xd0/0x340 [ 315.782451][ T3007] ? cgroup_setup_root+0xea0/0xea0 [ 315.787848][ T3007] cgroup_apply_control_enable+0x3a2/0x12f0 [ 315.793936][ T3007] ? cgroup_reconfigure+0xe0/0xe0 [ 315.798954][ T3007] cgroup_apply_control+0x8e/0x7e0 [ 315.804050][ T3007] ? css_next_child+0x160/0x160 [ 315.809246][ T3007] ? io_schedule+0x120/0x120 [ 315.814048][ T3007] ? kernfs_fop_write_iter+0x15e/0x410 [ 315.820388][ T3007] ? __kasan_check_write+0x14/0x20 [ 315.825717][ T3007] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 315.831139][ T3007] cgroup_subtree_control_write+0xd19/0x1310 [ 315.837187][ T3007] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 315.843166][ T3007] ? __kasan_check_write+0x14/0x20 [ 315.848409][ T3007] ? _copy_from_iter+0x3fb/0xd60 [ 315.853338][ T3007] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 315.859681][ T3007] cgroup_file_write+0x28e/0x590 [ 315.864608][ T3007] ? cgroup_seqfile_stop+0xc0/0xc0 [ 315.869796][ T3007] ? mutex_trylock+0x180/0x180 [ 315.874732][ T3007] ? __kasan_check_write+0x14/0x20 [ 315.880179][ T3007] kernfs_fop_write_iter+0x2d0/0x410 [ 315.885904][ T3007] ? cgroup_seqfile_stop+0xc0/0xc0 [ 315.891086][ T3007] vfs_write+0xc4a/0xf80 [ 315.895351][ T3007] ? kernel_write+0x420/0x420 [ 315.900703][ T3007] ? mutex_lock+0xb2/0x1e0 [ 315.905480][ T3007] ? mutex_trylock+0x180/0x180 [ 315.910459][ T3007] ? __fdget_pos+0x26d/0x310 [ 315.915163][ T3007] ? ksys_write+0x77/0x2c0 [ 315.919692][ T3007] ksys_write+0x198/0x2c0 [ 315.924199][ T3007] ? __ia32_sys_read+0x90/0x90 [ 315.929041][ T3007] ? debug_smp_processor_id+0x17/0x20 [ 315.935111][ T3007] __x64_sys_write+0x7b/0x90 [ 315.939683][ T3007] do_syscall_64+0x34/0x70 [ 315.944908][ T3007] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 315.950898][ T3007] RIP: 0033:0x7f85191c4049 [ 315.955387][ T3007] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 315.975656][ T3007] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 315.984770][ T3007] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 315.993107][ T3007] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 316.001721][ T3007] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 316.009716][ T3007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 316.018047][ T3007] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 316.027901][ T3009] FAULT_INJECTION: forcing a failure. [ 316.027901][ T3009] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 316.041377][ T3011] FAULT_INJECTION: forcing a failure. [ 316.041377][ T3011] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 316.048969][ T3009] CPU: 1 PID: 3009 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 316.054757][ T3013] FAULT_INJECTION: forcing a failure. [ 316.054757][ T3013] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 316.065156][ T3009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 316.065161][ T3009] Call Trace: [ 316.065180][ T3009] dump_stack_lvl+0x1e2/0x24b [ 316.065191][ T3009] ? bfq_pos_tree_add_move+0x43e/0x43e [ 316.065202][ T3009] ? vsnprintf+0x1fa/0x1cd0 [ 316.065213][ T3009] dump_stack+0x15/0x17 [ 316.065228][ T3009] should_fail+0x3c0/0x510 [ 316.115178][ T3009] should_fail_usercopy+0x1a/0x20 [ 316.120218][ T3009] _copy_from_user+0x20/0xd0 [ 316.124809][ T3009] kstrtouint_from_user+0xd7/0x2b0 [ 316.129904][ T3009] ? kstrtol_from_user+0x310/0x310 [ 316.135291][ T3009] ? snprintf+0xd6/0x120 [ 316.139534][ T3009] ? avc_policy_seqno+0x1b/0x70 [ 316.144402][ T3009] ? selinux_file_permission+0x2a9/0x520 [ 316.150141][ T3009] proc_fail_nth_write+0xa5/0x290 [ 316.155162][ T3009] ? security_file_permission+0x9d/0xc0 [ 316.160696][ T3009] ? proc_fail_nth_read+0x220/0x220 [ 316.165876][ T3009] ? security_file_permission+0xa8/0xc0 [ 316.171612][ T3009] ? rw_verify_area+0x1c2/0x360 [ 316.176443][ T3009] ? proc_fail_nth_read+0x220/0x220 [ 316.181636][ T3009] vfs_write+0x39b/0xf80 [ 316.185873][ T3009] ? kernel_write+0x420/0x420 [ 316.190710][ T3009] ? __kasan_check_write+0x14/0x20 [ 316.195801][ T3009] ? mutex_lock+0xb2/0x1e0 [ 316.200195][ T3009] ? mutex_trylock+0x180/0x180 [ 316.205236][ T3009] ? __fdget_pos+0x26d/0x310 [ 316.209814][ T3009] ? ksys_write+0x77/0x2c0 [ 316.215181][ T3009] ksys_write+0x198/0x2c0 [ 316.219689][ T3009] ? __kasan_check_write+0x14/0x20 [ 316.224899][ T3009] ? __ia32_sys_read+0x90/0x90 [ 316.229834][ T3009] ? debug_smp_processor_id+0x17/0x20 [ 316.235210][ T3009] __x64_sys_write+0x7b/0x90 [ 316.239785][ T3009] do_syscall_64+0x34/0x70 [ 316.244188][ T3009] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 316.250170][ T3009] RIP: 0033:0x7f6ebe0d0b5f [ 316.254678][ T3009] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 316.275673][ T3009] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 316.284249][ T3009] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 316.292212][ T3009] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 316.300376][ T3009] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 316.308792][ T3009] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 316.316752][ T3009] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 316.324803][ T3013] CPU: 0 PID: 3013 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 316.335150][ T3013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 316.345562][ T3013] Call Trace: [ 316.349116][ T3013] dump_stack_lvl+0x1e2/0x24b [ 316.353951][ T3013] ? bfq_pos_tree_add_move+0x43e/0x43e [ 316.359572][ T3013] ? vsnprintf+0x1fa/0x1cd0 [ 316.364064][ T3013] dump_stack+0x15/0x17 [ 316.368220][ T3013] should_fail+0x3c0/0x510 [ 316.372634][ T3013] should_fail_usercopy+0x1a/0x20 [ 316.377749][ T3013] _copy_from_user+0x20/0xd0 [ 316.382393][ T3013] kstrtouint_from_user+0xd7/0x2b0 [ 316.387534][ T3013] ? kstrtol_from_user+0x310/0x310 [ 316.392936][ T3013] ? snprintf+0xd6/0x120 [ 316.397218][ T3013] ? avc_policy_seqno+0x1b/0x70 [ 316.402167][ T3013] ? selinux_file_permission+0x2a9/0x520 [ 316.407895][ T3013] proc_fail_nth_write+0xa5/0x290 [ 316.412910][ T3013] ? security_file_permission+0x9d/0xc0 [ 316.418592][ T3013] ? proc_fail_nth_read+0x220/0x220 [ 316.423787][ T3013] ? security_file_permission+0xa8/0xc0 [ 316.428538][ T3015] FAULT_INJECTION: forcing a failure. [ 316.428538][ T3015] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 316.429501][ T3013] ? rw_verify_area+0x1c2/0x360 [ 316.447850][ T3013] ? proc_fail_nth_read+0x220/0x220 [ 316.453290][ T3013] vfs_write+0x39b/0xf80 [ 316.457614][ T3013] ? kernel_write+0x420/0x420 [ 316.462375][ T3013] ? __kasan_check_write+0x14/0x20 [ 316.467662][ T3013] ? mutex_lock+0xb2/0x1e0 [ 316.472235][ T3013] ? mutex_trylock+0x180/0x180 [ 316.477359][ T3013] ? __fdget_pos+0x26d/0x310 [ 316.482127][ T3013] ? ksys_write+0x77/0x2c0 [ 316.486529][ T3013] ksys_write+0x198/0x2c0 [ 316.491192][ T3013] ? __kasan_check_write+0x14/0x20 [ 316.496373][ T3013] ? __ia32_sys_read+0x90/0x90 [ 316.501206][ T3013] ? debug_smp_processor_id+0x17/0x20 [ 316.506645][ T3013] __x64_sys_write+0x7b/0x90 [ 316.511309][ T3013] do_syscall_64+0x34/0x70 [ 316.515714][ T3013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 316.521676][ T3013] RIP: 0033:0x7faa22393b5f [ 316.526091][ T3013] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 316.545942][ T3013] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 316.554485][ T3013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 316.563120][ T3013] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 316.571376][ T3013] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 316.580505][ T3013] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 316.588997][ T3013] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 316.597592][ T3015] CPU: 1 PID: 3015 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 316.609210][ T3015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 316.620039][ T3015] Call Trace: [ 316.623324][ T3015] dump_stack_lvl+0x1e2/0x24b [ 316.628010][ T3015] ? bfq_pos_tree_add_move+0x43e/0x43e [ 316.633483][ T3015] ? vsnprintf+0x1fa/0x1cd0 [ 316.638077][ T3015] dump_stack+0x15/0x17 [ 316.642824][ T3015] should_fail+0x3c0/0x510 [ 316.647647][ T3015] should_fail_usercopy+0x1a/0x20 [ 316.651615][ T3019] FAULT_INJECTION: forcing a failure. [ 316.651615][ T3019] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 316.652662][ T3015] _copy_from_user+0x20/0xd0 [ 316.652681][ T3015] kstrtouint_from_user+0xd7/0x2b0 [ 316.675735][ T3015] ? kstrtol_from_user+0x310/0x310 [ 316.681126][ T3015] ? snprintf+0xd6/0x120 [ 316.685359][ T3015] ? avc_policy_seqno+0x1b/0x70 [ 316.690191][ T3015] ? selinux_file_permission+0x2a9/0x520 [ 316.695816][ T3015] proc_fail_nth_write+0xa5/0x290 [ 316.701286][ T3015] ? security_file_permission+0x9d/0xc0 [ 316.707075][ T3015] ? proc_fail_nth_read+0x220/0x220 [ 316.712348][ T3015] ? security_file_permission+0xa8/0xc0 [ 316.717892][ T3015] ? rw_verify_area+0x1c2/0x360 [ 316.722723][ T3015] ? proc_fail_nth_read+0x220/0x220 [ 316.728261][ T3015] vfs_write+0x39b/0xf80 [ 316.732576][ T3015] ? kernel_write+0x420/0x420 [ 316.737597][ T3015] ? __kasan_check_write+0x14/0x20 [ 316.742864][ T3015] ? mutex_lock+0xb2/0x1e0 [ 316.747345][ T3015] ? mutex_trylock+0x180/0x180 [ 316.752177][ T3015] ? __fdget_pos+0x26d/0x310 [ 316.756935][ T3015] ? ksys_write+0x77/0x2c0 [ 316.761448][ T3015] ksys_write+0x198/0x2c0 [ 316.765785][ T3015] ? __ia32_sys_read+0x90/0x90 [ 316.770981][ T3015] ? debug_smp_processor_id+0x17/0x20 [ 316.776624][ T3015] __x64_sys_write+0x7b/0x90 [ 316.781200][ T3015] do_syscall_64+0x34/0x70 [ 316.785879][ T3015] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 316.791842][ T3015] RIP: 0033:0x7f022ab05b5f [ 316.796241][ T3015] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 316.816887][ T3015] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 316.825576][ T3015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 316.834829][ T3015] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 316.843004][ T3015] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 316.851355][ T3015] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 316.859346][ T3015] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 316.867326][ T3011] CPU: 0 PID: 3011 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 316.877913][ T3011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 316.888078][ T3011] Call Trace: [ 316.891555][ T3011] dump_stack_lvl+0x1e2/0x24b [ 316.896287][ T3011] ? bfq_pos_tree_add_move+0x43e/0x43e [ 316.902348][ T3011] ? vsnprintf+0x1fa/0x1cd0 [ 316.907085][ T3011] dump_stack+0x15/0x17 [ 316.911766][ T3011] should_fail+0x3c0/0x510 [ 316.916269][ T3011] should_fail_usercopy+0x1a/0x20 [ 316.921281][ T3011] _copy_from_user+0x20/0xd0 [ 316.926111][ T3011] kstrtouint_from_user+0xd7/0x2b0 [ 316.931317][ T3011] ? kstrtol_from_user+0x310/0x310 [ 316.936430][ T3011] ? snprintf+0xd6/0x120 [ 316.940762][ T3011] ? avc_policy_seqno+0x1b/0x70 [ 316.945590][ T3011] ? selinux_file_permission+0x2a9/0x520 [ 316.951285][ T3011] proc_fail_nth_write+0xa5/0x290 [ 316.956310][ T3011] ? security_file_permission+0x9d/0xc0 [ 316.961973][ T3011] ? proc_fail_nth_read+0x220/0x220 [ 316.967441][ T3011] ? security_file_permission+0xa8/0xc0 [ 316.973072][ T3011] ? rw_verify_area+0x1c2/0x360 [ 316.978011][ T3011] ? proc_fail_nth_read+0x220/0x220 [ 316.983556][ T3011] vfs_write+0x39b/0xf80 [ 316.987794][ T3011] ? kernel_write+0x420/0x420 [ 316.992782][ T3011] ? __kasan_check_write+0x14/0x20 [ 316.998002][ T3011] ? mutex_lock+0xb2/0x1e0 [ 317.002653][ T3011] ? mutex_trylock+0x180/0x180 [ 317.007527][ T3011] ? __fdget_pos+0x26d/0x310 [ 317.012879][ T3011] ? ksys_write+0x77/0x2c0 [ 317.017279][ T3011] ksys_write+0x198/0x2c0 [ 317.022383][ T3011] ? __kasan_check_write+0x14/0x20 [ 317.028099][ T3011] ? __ia32_sys_read+0x90/0x90 [ 317.033067][ T3011] ? debug_smp_processor_id+0x17/0x20 [ 317.038451][ T3011] __x64_sys_write+0x7b/0x90 [ 317.043039][ T3011] do_syscall_64+0x34/0x70 [ 317.047469][ T3011] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 317.053427][ T3011] RIP: 0033:0x7f869ba6eb5f [ 317.057833][ T3011] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 317.077590][ T3011] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 317.086156][ T3011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f 2022/08/30 17:00:58 executed programs: 1177 [ 317.094643][ T3011] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 317.102739][ T3011] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 317.110806][ T3011] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 317.118962][ T3011] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 317.130372][ T3019] CPU: 1 PID: 3019 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 317.141185][ T3019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 317.151763][ T3019] Call Trace: [ 317.155164][ T3019] dump_stack_lvl+0x1e2/0x24b [ 317.160023][ T3019] ? bfq_pos_tree_add_move+0x43e/0x43e [ 317.165578][ T3019] ? vsnprintf+0x1fa/0x1cd0 [ 317.170277][ T3019] dump_stack+0x15/0x17 [ 317.173870][ T3026] FAULT_INJECTION: forcing a failure. [ 317.173870][ T3026] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 317.174524][ T3019] should_fail+0x3c0/0x510 [ 317.174535][ T3019] should_fail_usercopy+0x1a/0x20 [ 317.174545][ T3019] _copy_from_user+0x20/0xd0 [ 317.174562][ T3019] kstrtouint_from_user+0xd7/0x2b0 [ 317.208062][ T3019] ? kstrtol_from_user+0x310/0x310 [ 317.213356][ T3019] ? snprintf+0xd6/0x120 [ 317.213623][ T3032] FAULT_INJECTION: forcing a failure. [ 317.213623][ T3032] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 317.217594][ T3019] ? avc_policy_seqno+0x1b/0x70 [ 317.217604][ T3019] ? selinux_file_permission+0x2a9/0x520 [ 317.217615][ T3019] proc_fail_nth_write+0xa5/0x290 [ 317.217624][ T3019] ? security_file_permission+0x9d/0xc0 [ 317.217631][ T3019] ? proc_fail_nth_read+0x220/0x220 [ 317.217639][ T3019] ? security_file_permission+0xa8/0xc0 [ 317.217649][ T3019] ? rw_verify_area+0x1c2/0x360 [ 317.217665][ T3019] ? proc_fail_nth_read+0x220/0x220 [ 317.231605][ T3033] FAULT_INJECTION: forcing a failure. [ 317.231605][ T3033] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 317.235937][ T3019] vfs_write+0x39b/0xf80 [ 317.235948][ T3019] ? kernel_write+0x420/0x420 [ 317.235958][ T3019] ? __kasan_check_write+0x14/0x20 [ 317.235974][ T3019] ? mutex_lock+0xb2/0x1e0 [ 317.242551][ T3034] FAULT_INJECTION: forcing a failure. [ 317.242551][ T3034] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 317.247011][ T3019] ? mutex_trylock+0x180/0x180 [ 317.247023][ T3019] ? __fdget_pos+0x26d/0x310 [ 317.247032][ T3019] ? ksys_write+0x77/0x2c0 [ 317.247048][ T3019] ksys_write+0x198/0x2c0 [ 317.280399][ T3035] FAULT_INJECTION: forcing a failure. [ 317.280399][ T3035] name failslab, interval 1, probability 0, space 0, times 0 [ 317.289577][ T3019] ? __ia32_sys_read+0x90/0x90 [ 317.289588][ T3019] ? debug_smp_processor_id+0x17/0x20 [ 317.289597][ T3019] __x64_sys_write+0x7b/0x90 [ 317.289604][ T3019] do_syscall_64+0x34/0x70 [ 317.289619][ T3019] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 317.289636][ T3019] RIP: 0033:0x7f7d1c31ab5f [ 317.384734][ T3019] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 317.404971][ T3019] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 317.413672][ T3019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 317.422061][ T3019] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 317.430295][ T3019] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 317.438387][ T3019] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 317.446650][ T3019] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 317.454739][ T3032] CPU: 0 PID: 3032 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 317.465262][ T3032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 317.476360][ T3032] Call Trace: [ 317.479826][ T3032] dump_stack_lvl+0x1e2/0x24b [ 317.484572][ T3032] ? bfq_pos_tree_add_move+0x43e/0x43e [ 317.490186][ T3032] ? vsnprintf+0x1fa/0x1cd0 [ 317.494847][ T3032] dump_stack+0x15/0x17 [ 317.499170][ T3032] should_fail+0x3c0/0x510 [ 317.503658][ T3032] should_fail_usercopy+0x1a/0x20 [ 317.510362][ T3032] _copy_from_user+0x20/0xd0 [ 317.515022][ T3032] kstrtouint_from_user+0xd7/0x2b0 [ 317.520205][ T3032] ? kstrtol_from_user+0x310/0x310 [ 317.525310][ T3032] ? snprintf+0xd6/0x120 [ 317.529641][ T3032] ? avc_policy_seqno+0x1b/0x70 [ 317.534711][ T3032] ? selinux_file_permission+0x2a9/0x520 [ 317.540517][ T3032] proc_fail_nth_write+0xa5/0x290 [ 317.545633][ T3032] ? security_file_permission+0x9d/0xc0 [ 317.551266][ T3032] ? proc_fail_nth_read+0x220/0x220 [ 317.556622][ T3032] ? security_file_permission+0xa8/0xc0 [ 317.562448][ T3032] ? rw_verify_area+0x1c2/0x360 [ 317.567303][ T3032] ? proc_fail_nth_read+0x220/0x220 [ 317.573195][ T3032] vfs_write+0x39b/0xf80 [ 317.577424][ T3032] ? kernel_write+0x420/0x420 [ 317.582180][ T3032] ? __kasan_check_write+0x14/0x20 [ 317.587273][ T3032] ? mutex_lock+0xb2/0x1e0 [ 317.591685][ T3032] ? mutex_trylock+0x180/0x180 [ 317.596520][ T3032] ? __fdget_pos+0x26d/0x310 [ 317.601112][ T3032] ? ksys_write+0x77/0x2c0 [ 317.605615][ T3032] ksys_write+0x198/0x2c0 [ 317.610040][ T3032] ? __ia32_sys_read+0x90/0x90 [ 317.616105][ T3032] ? debug_smp_processor_id+0x17/0x20 [ 317.621730][ T3032] __x64_sys_write+0x7b/0x90 [ 317.626304][ T3032] do_syscall_64+0x34/0x70 [ 317.630889][ T3032] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 317.636896][ T3032] RIP: 0033:0x7f6ebe0d0b5f [ 317.641389][ T3032] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 317.661241][ T3032] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 317.671209][ T3032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 317.679181][ T3032] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 317.687252][ T3032] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 317.695839][ T3032] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 317.703804][ T3032] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 317.713464][ T3033] CPU: 1 PID: 3033 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 317.723881][ T3033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 317.735181][ T3033] Call Trace: [ 317.738470][ T3033] dump_stack_lvl+0x1e2/0x24b [ 317.743529][ T3033] ? bfq_pos_tree_add_move+0x43e/0x43e [ 317.749369][ T3033] ? vsnprintf+0x1fa/0x1cd0 [ 317.753881][ T3033] dump_stack+0x15/0x17 [ 317.758024][ T3033] should_fail+0x3c0/0x510 [ 317.762539][ T3033] should_fail_usercopy+0x1a/0x20 [ 317.767759][ T3033] _copy_from_user+0x20/0xd0 [ 317.772354][ T3033] kstrtouint_from_user+0xd7/0x2b0 [ 317.780868][ T3033] ? kstrtol_from_user+0x310/0x310 [ 317.786352][ T3033] ? snprintf+0xd6/0x120 [ 317.790624][ T3033] ? avc_policy_seqno+0x1b/0x70 [ 317.795771][ T3033] ? selinux_file_permission+0x2a9/0x520 [ 317.801508][ T3033] proc_fail_nth_write+0xa5/0x290 [ 317.806893][ T3033] ? security_file_permission+0x9d/0xc0 [ 317.812514][ T3033] ? proc_fail_nth_read+0x220/0x220 [ 317.817698][ T3033] ? security_file_permission+0xa8/0xc0 [ 317.823332][ T3033] ? rw_verify_area+0x1c2/0x360 [ 317.828346][ T3033] ? proc_fail_nth_read+0x220/0x220 [ 317.833718][ T3033] vfs_write+0x39b/0xf80 [ 317.838552][ T3033] ? kernel_write+0x420/0x420 [ 317.843401][ T3033] ? __kasan_check_write+0x14/0x20 [ 317.848675][ T3033] ? mutex_lock+0xb2/0x1e0 [ 317.853422][ T3033] ? mutex_trylock+0x180/0x180 [ 317.858280][ T3033] ? __fdget_pos+0x26d/0x310 [ 317.863041][ T3033] ? ksys_write+0x77/0x2c0 [ 317.868253][ T3033] ksys_write+0x198/0x2c0 [ 317.872745][ T3033] ? __ia32_sys_read+0x90/0x90 [ 317.877512][ T3033] ? debug_smp_processor_id+0x17/0x20 [ 317.883102][ T3033] __x64_sys_write+0x7b/0x90 [ 317.887716][ T3033] do_syscall_64+0x34/0x70 [ 317.893653][ T3033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 317.899640][ T3033] RIP: 0033:0x7faa22393b5f [ 317.904187][ T3033] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 317.924398][ T3033] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 317.933013][ T3033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 317.941363][ T3033] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 317.949686][ T3033] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 317.957830][ T3033] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 317.966378][ T3033] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 317.974543][ T3026] CPU: 0 PID: 3026 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 317.984869][ T3026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 317.995649][ T3026] Call Trace: [ 317.998936][ T3026] dump_stack_lvl+0x1e2/0x24b [ 318.003817][ T3026] ? bfq_pos_tree_add_move+0x43e/0x43e [ 318.009304][ T3026] ? vsnprintf+0x1fa/0x1cd0 [ 318.013885][ T3026] dump_stack+0x15/0x17 [ 318.018114][ T3026] should_fail+0x3c0/0x510 [ 318.022517][ T3026] should_fail_usercopy+0x1a/0x20 [ 318.027548][ T3026] _copy_from_user+0x20/0xd0 [ 318.032297][ T3026] kstrtouint_from_user+0xd7/0x2b0 [ 318.037481][ T3026] ? kstrtol_from_user+0x310/0x310 [ 318.042589][ T3026] ? snprintf+0xd6/0x120 [ 318.046829][ T3026] ? avc_policy_seqno+0x1b/0x70 [ 318.052096][ T3026] ? selinux_file_permission+0x2a9/0x520 [ 318.057870][ T3026] proc_fail_nth_write+0xa5/0x290 [ 318.062896][ T3026] ? security_file_permission+0x9d/0xc0 [ 318.068531][ T3026] ? proc_fail_nth_read+0x220/0x220 [ 318.073890][ T3026] ? security_file_permission+0xa8/0xc0 [ 318.079524][ T3026] ? rw_verify_area+0x1c2/0x360 [ 318.084458][ T3026] ? proc_fail_nth_read+0x220/0x220 [ 318.089657][ T3026] vfs_write+0x39b/0xf80 [ 318.094056][ T3026] ? kernel_write+0x420/0x420 [ 318.098886][ T3026] ? __kasan_check_write+0x14/0x20 [ 318.104186][ T3026] ? mutex_lock+0xb2/0x1e0 [ 318.108683][ T3026] ? mutex_trylock+0x180/0x180 [ 318.113438][ T3026] ? __fdget_pos+0x26d/0x310 [ 318.118353][ T3026] ? ksys_write+0x77/0x2c0 [ 318.122763][ T3026] ksys_write+0x198/0x2c0 [ 318.127449][ T3026] ? __ia32_sys_read+0x90/0x90 [ 318.132191][ T3026] ? debug_smp_processor_id+0x17/0x20 [ 318.137901][ T3026] __x64_sys_write+0x7b/0x90 [ 318.142728][ T3026] do_syscall_64+0x34/0x70 [ 318.147122][ T3026] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 318.153087][ T3026] RIP: 0033:0x7f869ba6eb5f [ 318.157491][ T3026] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 318.177464][ T3026] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 318.185888][ T3026] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 318.194395][ T3026] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 318.202521][ T3026] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 318.211302][ T3026] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 318.219451][ T3026] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 318.228081][ T3034] CPU: 1 PID: 3034 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 318.239283][ T3034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 318.251671][ T3034] Call Trace: [ 318.254968][ T3034] dump_stack_lvl+0x1e2/0x24b [ 318.259739][ T3034] ? bfq_pos_tree_add_move+0x43e/0x43e [ 318.265271][ T3034] ? vsnprintf+0x1fa/0x1cd0 [ 318.269778][ T3034] dump_stack+0x15/0x17 [ 318.273920][ T3034] should_fail+0x3c0/0x510 [ 318.278407][ T3034] should_fail_usercopy+0x1a/0x20 [ 318.283418][ T3034] _copy_from_user+0x20/0xd0 [ 318.287990][ T3034] kstrtouint_from_user+0xd7/0x2b0 [ 318.293214][ T3034] ? kstrtol_from_user+0x310/0x310 [ 318.298637][ T3034] ? snprintf+0xd6/0x120 [ 318.303057][ T3034] ? avc_policy_seqno+0x1b/0x70 [ 318.307950][ T3034] ? selinux_file_permission+0x2a9/0x520 [ 318.313673][ T3034] proc_fail_nth_write+0xa5/0x290 [ 318.318956][ T3034] ? security_file_permission+0x9d/0xc0 [ 318.324572][ T3034] ? proc_fail_nth_read+0x220/0x220 [ 318.329848][ T3034] ? security_file_permission+0xa8/0xc0 [ 318.335374][ T3034] ? rw_verify_area+0x1c2/0x360 [ 318.340208][ T3034] ? proc_fail_nth_read+0x220/0x220 [ 318.345413][ T3034] vfs_write+0x39b/0xf80 [ 318.349774][ T3034] ? kernel_write+0x420/0x420 [ 318.354448][ T3034] ? __kasan_check_write+0x14/0x20 [ 318.359645][ T3034] ? mutex_lock+0xb2/0x1e0 [ 318.364245][ T3034] ? mutex_trylock+0x180/0x180 [ 318.369440][ T3034] ? __fdget_pos+0x26d/0x310 [ 318.374327][ T3034] ? ksys_write+0x77/0x2c0 [ 318.378747][ T3034] ksys_write+0x198/0x2c0 [ 318.383722][ T3034] ? __ia32_sys_read+0x90/0x90 [ 318.389024][ T3034] ? debug_smp_processor_id+0x17/0x20 [ 318.394716][ T3034] __x64_sys_write+0x7b/0x90 [ 318.399556][ T3034] do_syscall_64+0x34/0x70 [ 318.404234][ T3034] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 318.410208][ T3034] RIP: 0033:0x7f022ab05b5f [ 318.415109][ T3034] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 318.435179][ T3034] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 318.443687][ T3034] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 318.451827][ T3034] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 318.460068][ T3034] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 318.468213][ T3034] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 318.476537][ T3034] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 318.484976][ T3035] CPU: 0 PID: 3035 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 318.495561][ T3035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 318.505744][ T3035] Call Trace: [ 318.509204][ T3035] dump_stack_lvl+0x1e2/0x24b [ 318.514049][ T3035] ? panic+0x7d7/0x7d7 [ 318.518183][ T3035] ? bfq_pos_tree_add_move+0x43e/0x43e [ 318.523803][ T3035] ? find_next_bit+0xd6/0x120 [ 318.528456][ T3035] ? cpumask_next+0x11/0x30 [ 318.532937][ T3035] dump_stack+0x15/0x17 [ 318.537523][ T3035] should_fail+0x3c0/0x510 [ 318.542925][ T3035] ? percpu_ref_init+0xd0/0x340 [ 318.547802][ T3035] __should_failslab+0x9f/0xe0 [ 318.552721][ T3035] should_failslab+0x9/0x20 [ 318.557219][ T3035] kmem_cache_alloc_trace+0x3a/0x330 [ 318.563201][ T3035] percpu_ref_init+0xd0/0x340 [ 318.567871][ T3035] ? cgroup_setup_root+0xea0/0xea0 [ 318.572975][ T3035] cgroup_apply_control_enable+0x3a2/0x12f0 [ 318.578940][ T3035] ? cgroup_reconfigure+0xe0/0xe0 [ 318.583942][ T3035] cgroup_apply_control+0x8e/0x7e0 [ 318.589085][ T3035] ? css_next_child+0x160/0x160 [ 318.594081][ T3035] ? io_schedule+0x120/0x120 [ 318.598648][ T3035] ? kernfs_fop_write_iter+0x15e/0x410 [ 318.604184][ T3035] ? __kasan_check_write+0x14/0x20 [ 318.609271][ T3035] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 318.614634][ T3035] cgroup_subtree_control_write+0xd19/0x1310 [ 318.621473][ T3035] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 318.627444][ T3035] ? __kasan_check_write+0x14/0x20 [ 318.632533][ T3035] ? _copy_from_iter+0x3fb/0xd60 [ 318.637464][ T3035] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 318.643695][ T3035] cgroup_file_write+0x28e/0x590 [ 318.648612][ T3035] ? cgroup_seqfile_stop+0xc0/0xc0 [ 318.653703][ T3035] ? mutex_trylock+0x180/0x180 [ 318.658552][ T3035] ? __kasan_check_write+0x14/0x20 [ 318.663733][ T3035] kernfs_fop_write_iter+0x2d0/0x410 [ 318.669168][ T3035] ? cgroup_seqfile_stop+0xc0/0xc0 [ 318.674431][ T3035] vfs_write+0xc4a/0xf80 [ 318.679109][ T3035] ? kernel_write+0x420/0x420 [ 318.684469][ T3035] ? mutex_lock+0xb2/0x1e0 [ 318.689271][ T3035] ? mutex_trylock+0x180/0x180 [ 318.694204][ T3035] ? __fdget_pos+0x26d/0x310 [ 318.698863][ T3035] ? ksys_write+0x77/0x2c0 [ 318.703542][ T3035] ksys_write+0x198/0x2c0 [ 318.708035][ T3035] ? __ia32_sys_read+0x90/0x90 [ 318.712869][ T3035] ? debug_smp_processor_id+0x17/0x20 [ 318.718561][ T3035] __x64_sys_write+0x7b/0x90 [ 318.723224][ T3035] do_syscall_64+0x34/0x70 [ 318.727636][ T3035] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 318.733522][ T3035] RIP: 0033:0x7f85191c4049 [ 318.738097][ T3035] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 318.757795][ T3035] RSP: 002b:00007f85190f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 318.766280][ T3035] RAX: ffffffffffffffda RBX: 00007f85192d7100 RCX: 00007f85191c4049 [ 318.774491][ T3035] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 318.782729][ T3035] RBP: 00007f85190f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 318.790788][ T3035] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 318.798748][ T3035] R13: 00007ffd0d50551f R14: 00007f85190f8300 R15: 0000000000022000 [ 318.824722][ T3042] FAULT_INJECTION: forcing a failure. [ 318.824722][ T3042] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 318.839791][ T3044] FAULT_INJECTION: forcing a failure. [ 318.839791][ T3044] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 318.839897][ T3046] FAULT_INJECTION: forcing a failure. [ 318.839897][ T3046] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 318.858785][ T3044] CPU: 0 PID: 3044 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 318.878529][ T3044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 318.882712][ T3053] FAULT_INJECTION: forcing a failure. [ 318.882712][ T3053] name failslab, interval 1, probability 0, space 0, times 0 [ 318.889064][ T3044] Call Trace: [ 318.889082][ T3044] dump_stack_lvl+0x1e2/0x24b [ 318.889093][ T3044] ? bfq_pos_tree_add_move+0x43e/0x43e [ 318.889102][ T3044] ? vsnprintf+0x1fa/0x1cd0 [ 318.889112][ T3044] dump_stack+0x15/0x17 [ 318.889128][ T3044] should_fail+0x3c0/0x510 [ 318.889145][ T3044] should_fail_usercopy+0x1a/0x20 [ 318.934390][ T3044] _copy_from_user+0x20/0xd0 [ 318.939054][ T3044] kstrtouint_from_user+0xd7/0x2b0 [ 318.944762][ T3044] ? kstrtol_from_user+0x310/0x310 [ 318.950395][ T3044] ? snprintf+0xd6/0x120 [ 318.954651][ T3044] ? avc_policy_seqno+0x1b/0x70 [ 318.960281][ T3044] ? selinux_file_permission+0x2a9/0x520 [ 318.965919][ T3044] proc_fail_nth_write+0xa5/0x290 [ 318.971105][ T3044] ? security_file_permission+0x9d/0xc0 [ 318.976967][ T3044] ? proc_fail_nth_read+0x220/0x220 [ 318.982162][ T3044] ? security_file_permission+0xa8/0xc0 [ 318.987865][ T3044] ? rw_verify_area+0x1c2/0x360 [ 318.993245][ T3044] ? proc_fail_nth_read+0x220/0x220 [ 318.998541][ T3044] vfs_write+0x39b/0xf80 [ 319.002865][ T3044] ? kernel_write+0x420/0x420 [ 319.007633][ T3044] ? __kasan_check_write+0x14/0x20 [ 319.012945][ T3044] ? mutex_lock+0xb2/0x1e0 [ 319.017549][ T3044] ? mutex_trylock+0x180/0x180 [ 319.022390][ T3044] ? __fdget_pos+0x26d/0x310 [ 319.026971][ T3044] ? ksys_write+0x77/0x2c0 [ 319.031460][ T3044] ksys_write+0x198/0x2c0 [ 319.035876][ T3044] ? __kasan_check_write+0x14/0x20 [ 319.041578][ T3044] ? __ia32_sys_read+0x90/0x90 [ 319.046420][ T3044] ? debug_smp_processor_id+0x17/0x20 [ 319.052034][ T3044] __x64_sys_write+0x7b/0x90 [ 319.056695][ T3044] do_syscall_64+0x34/0x70 [ 319.061274][ T3044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 319.067420][ T3044] RIP: 0033:0x7f869ba6eb5f [ 319.072110][ T3044] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 319.092909][ T3044] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 319.101891][ T3044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 319.110139][ T3044] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 319.118595][ T3044] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 319.127335][ T3044] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 319.135558][ T3044] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 319.144770][ T3046] CPU: 1 PID: 3046 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 319.155709][ T3046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 319.166281][ T3046] Call Trace: [ 319.169836][ T3046] dump_stack_lvl+0x1e2/0x24b [ 319.174494][ T3046] ? bfq_pos_tree_add_move+0x43e/0x43e [ 319.181071][ T3046] ? vsnprintf+0x1fa/0x1cd0 [ 319.185850][ T3046] dump_stack+0x15/0x17 [ 319.190385][ T3046] should_fail+0x3c0/0x510 [ 319.195160][ T3046] should_fail_usercopy+0x1a/0x20 [ 319.200514][ T3046] _copy_from_user+0x20/0xd0 [ 319.205146][ T3046] kstrtouint_from_user+0xd7/0x2b0 [ 319.210436][ T3046] ? kstrtol_from_user+0x310/0x310 [ 319.215616][ T3046] ? snprintf+0xd6/0x120 [ 319.220015][ T3046] ? avc_policy_seqno+0x1b/0x70 [ 319.225286][ T3046] ? selinux_file_permission+0x2a9/0x520 [ 319.231160][ T3046] proc_fail_nth_write+0xa5/0x290 [ 319.236501][ T3046] ? security_file_permission+0x9d/0xc0 [ 319.242219][ T3046] ? proc_fail_nth_read+0x220/0x220 [ 319.247589][ T3046] ? security_file_permission+0xa8/0xc0 [ 319.253384][ T3046] ? rw_verify_area+0x1c2/0x360 [ 319.258216][ T3046] ? proc_fail_nth_read+0x220/0x220 [ 319.263650][ T3046] vfs_write+0x39b/0xf80 [ 319.268008][ T3046] ? kernel_write+0x420/0x420 [ 319.272842][ T3046] ? __kasan_check_write+0x14/0x20 [ 319.278019][ T3046] ? mutex_lock+0xb2/0x1e0 [ 319.282518][ T3046] ? mutex_trylock+0x180/0x180 [ 319.287351][ T3046] ? __fdget_pos+0x26d/0x310 [ 319.291939][ T3046] ? ksys_write+0x77/0x2c0 [ 319.296509][ T3046] ksys_write+0x198/0x2c0 [ 319.301179][ T3046] ? __kasan_check_write+0x14/0x20 [ 319.306616][ T3046] ? __ia32_sys_read+0x90/0x90 [ 319.312411][ T3046] ? debug_smp_processor_id+0x17/0x20 [ 319.317963][ T3046] __x64_sys_write+0x7b/0x90 [ 319.322642][ T3046] do_syscall_64+0x34/0x70 [ 319.327221][ T3046] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 319.333112][ T3046] RIP: 0033:0x7f022ab05b5f [ 319.337520][ T3046] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 319.357659][ T3046] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 319.366577][ T3046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 319.375321][ T3046] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 319.383467][ T3046] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 319.392580][ T3046] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 319.401186][ T3046] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 319.409889][ T3042] CPU: 0 PID: 3042 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 319.420654][ T3042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 319.431392][ T3042] Call Trace: [ 319.435026][ T3042] dump_stack_lvl+0x1e2/0x24b [ 319.439947][ T3042] ? bfq_pos_tree_add_move+0x43e/0x43e [ 319.445688][ T3042] ? vsnprintf+0x1fa/0x1cd0 [ 319.450358][ T3042] dump_stack+0x15/0x17 [ 319.454762][ T3042] should_fail+0x3c0/0x510 [ 319.459345][ T3042] should_fail_usercopy+0x1a/0x20 [ 319.464354][ T3042] _copy_from_user+0x20/0xd0 [ 319.468943][ T3042] kstrtouint_from_user+0xd7/0x2b0 [ 319.474212][ T3042] ? kstrtol_from_user+0x310/0x310 [ 319.479306][ T3042] ? snprintf+0xd6/0x120 [ 319.483645][ T3042] ? avc_policy_seqno+0x1b/0x70 [ 319.490657][ T3042] ? selinux_file_permission+0x2a9/0x520 [ 319.498035][ T3042] proc_fail_nth_write+0xa5/0x290 [ 319.503239][ T3042] ? security_file_permission+0x9d/0xc0 [ 319.508968][ T3042] ? proc_fail_nth_read+0x220/0x220 [ 319.514335][ T3042] ? security_file_permission+0xa8/0xc0 [ 319.520338][ T3042] ? rw_verify_area+0x1c2/0x360 [ 319.525188][ T3042] ? proc_fail_nth_read+0x220/0x220 [ 319.530373][ T3042] vfs_write+0x39b/0xf80 [ 319.534787][ T3042] ? kernel_write+0x420/0x420 [ 319.539466][ T3042] ? __kasan_check_write+0x14/0x20 [ 319.544669][ T3042] ? mutex_lock+0xb2/0x1e0 [ 319.549451][ T3042] ? mutex_trylock+0x180/0x180 [ 319.554917][ T3042] ? __fdget_pos+0x26d/0x310 [ 319.559799][ T3042] ? ksys_write+0x77/0x2c0 [ 319.564686][ T3042] ksys_write+0x198/0x2c0 [ 319.569453][ T3042] ? __kasan_check_write+0x14/0x20 [ 319.575001][ T3042] ? __ia32_sys_read+0x90/0x90 [ 319.579881][ T3042] ? debug_smp_processor_id+0x17/0x20 [ 319.585321][ T3042] __x64_sys_write+0x7b/0x90 [ 319.589899][ T3042] do_syscall_64+0x34/0x70 [ 319.594836][ T3042] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 319.601177][ T3042] RIP: 0033:0x7f6ebe0d0b5f [ 319.605755][ T3042] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 319.629150][ T3042] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 319.637650][ T3042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 319.645780][ T3042] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 319.653910][ T3042] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 319.662072][ T3042] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 319.670153][ T3042] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 319.678311][ T3053] CPU: 1 PID: 3053 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 319.689243][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 319.699584][ T3053] Call Trace: [ 319.702865][ T3053] dump_stack_lvl+0x1e2/0x24b [ 319.708127][ T3053] ? panic+0x7d7/0x7d7 [ 319.712179][ T3053] ? bfq_pos_tree_add_move+0x43e/0x43e [ 319.718074][ T3053] ? find_next_bit+0xd6/0x120 [ 319.722915][ T3053] ? cpumask_next+0x11/0x30 [ 319.727610][ T3053] dump_stack+0x15/0x17 [ 319.731843][ T3053] should_fail+0x3c0/0x510 [ 319.736517][ T3053] ? percpu_ref_init+0xd0/0x340 [ 319.741427][ T3053] __should_failslab+0x9f/0xe0 [ 319.746279][ T3053] should_failslab+0x9/0x20 [ 319.750780][ T3053] kmem_cache_alloc_trace+0x3a/0x330 [ 319.756583][ T3053] percpu_ref_init+0xd0/0x340 [ 319.761254][ T3053] ? cgroup_setup_root+0xea0/0xea0 [ 319.766368][ T3053] cgroup_apply_control_enable+0x3a2/0x12f0 [ 319.772234][ T3053] ? cgroup_reconfigure+0xe0/0xe0 [ 319.777431][ T3053] cgroup_apply_control+0x8e/0x7e0 [ 319.782884][ T3053] ? css_next_child+0x160/0x160 [ 319.787736][ T3053] ? io_schedule+0x120/0x120 [ 319.792414][ T3053] ? kernfs_fop_write_iter+0x15e/0x410 [ 319.797849][ T3053] ? __kasan_check_write+0x14/0x20 [ 319.802946][ T3053] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 319.808302][ T3053] cgroup_subtree_control_write+0xd19/0x1310 [ 319.814257][ T3053] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 319.820300][ T3053] ? __kasan_check_write+0x14/0x20 [ 319.825530][ T3053] ? _copy_from_iter+0x3fb/0xd60 [ 319.830453][ T3053] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 319.836580][ T3053] cgroup_file_write+0x28e/0x590 [ 319.841590][ T3053] ? cgroup_seqfile_stop+0xc0/0xc0 [ 319.846857][ T3053] ? mutex_trylock+0x180/0x180 [ 319.851795][ T3053] ? __kasan_check_write+0x14/0x20 [ 319.857087][ T3053] kernfs_fop_write_iter+0x2d0/0x410 [ 319.862654][ T3053] ? cgroup_seqfile_stop+0xc0/0xc0 [ 319.867835][ T3053] vfs_write+0xc4a/0xf80 [ 319.872773][ T3053] ? kernel_write+0x420/0x420 [ 319.877610][ T3053] ? mutex_lock+0xb2/0x1e0 [ 319.883214][ T3053] ? mutex_trylock+0x180/0x180 [ 319.888244][ T3053] ? __fdget_pos+0x26d/0x310 [ 319.894430][ T3053] ? ksys_write+0x77/0x2c0 [ 319.899217][ T3053] ksys_write+0x198/0x2c0 [ 319.904958][ T3053] ? __ia32_sys_read+0x90/0x90 [ 319.910587][ T3053] ? debug_smp_processor_id+0x17/0x20 [ 319.917966][ T3053] __x64_sys_write+0x7b/0x90 [ 319.923211][ T3053] do_syscall_64+0x34/0x70 [ 319.927901][ T3053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 319.934306][ T3053] RIP: 0033:0x7f85191c4049 [ 319.938718][ T3053] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 319.959277][ T3053] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 319.968325][ T3053] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 319.979088][ T3053] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 319.987383][ T3053] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 319.995766][ T3053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 320.004070][ T3053] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 320.036080][ T3059] FAULT_INJECTION: forcing a failure. [ 320.036080][ T3059] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.048198][ T3063] FAULT_INJECTION: forcing a failure. [ 320.048198][ T3063] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.052446][ T3064] FAULT_INJECTION: forcing a failure. [ 320.052446][ T3064] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.063279][ T3063] CPU: 1 PID: 3063 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 320.087853][ T3063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 320.098388][ T3063] Call Trace: [ 320.101788][ T3063] dump_stack_lvl+0x1e2/0x24b [ 320.107165][ T3063] ? bfq_pos_tree_add_move+0x43e/0x43e [ 320.112807][ T3063] ? vsnprintf+0x1fa/0x1cd0 [ 320.118465][ T3063] dump_stack+0x15/0x17 [ 320.123310][ T3063] should_fail+0x3c0/0x510 [ 320.128011][ T3063] should_fail_usercopy+0x1a/0x20 [ 320.128643][ T3065] FAULT_INJECTION: forcing a failure. [ 320.128643][ T3065] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.133153][ T3063] _copy_from_user+0x20/0xd0 [ 320.151124][ T3063] kstrtouint_from_user+0xd7/0x2b0 [ 320.156277][ T3063] ? kstrtol_from_user+0x310/0x310 [ 320.161387][ T3063] ? snprintf+0xd6/0x120 [ 320.165983][ T3063] ? avc_policy_seqno+0x1b/0x70 [ 320.170912][ T3063] ? selinux_file_permission+0x2a9/0x520 [ 320.176611][ T3063] proc_fail_nth_write+0xa5/0x290 [ 320.181747][ T3063] ? security_file_permission+0x9d/0xc0 [ 320.187274][ T3063] ? proc_fail_nth_read+0x220/0x220 [ 320.192452][ T3063] ? security_file_permission+0xa8/0xc0 [ 320.198063][ T3063] ? rw_verify_area+0x1c2/0x360 [ 320.202889][ T3063] ? proc_fail_nth_read+0x220/0x220 [ 320.208067][ T3063] vfs_write+0x39b/0xf80 [ 320.212309][ T3063] ? kernel_write+0x420/0x420 [ 320.217068][ T3063] ? __kasan_check_write+0x14/0x20 [ 320.222179][ T3063] ? mutex_lock+0xb2/0x1e0 [ 320.226588][ T3063] ? mutex_trylock+0x180/0x180 [ 320.231339][ T3063] ? __fdget_pos+0x26d/0x310 [ 320.235909][ T3063] ? ksys_write+0x77/0x2c0 [ 320.240309][ T3063] ksys_write+0x198/0x2c0 [ 320.244824][ T3063] ? __ia32_sys_read+0x90/0x90 [ 320.249575][ T3063] ? debug_smp_processor_id+0x17/0x20 [ 320.254948][ T3063] __x64_sys_write+0x7b/0x90 [ 320.259619][ T3063] do_syscall_64+0x34/0x70 [ 320.264031][ T3063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 320.269909][ T3063] RIP: 0033:0x7f022ab05b5f [ 320.274309][ T3063] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 320.295156][ T3063] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 320.303750][ T3063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 320.311976][ T3063] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 320.320222][ T3063] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 320.328560][ T3063] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 320.337025][ T3063] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 320.345503][ T3059] CPU: 0 PID: 3059 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 320.355846][ T3059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 320.366267][ T3059] Call Trace: [ 320.369736][ T3059] dump_stack_lvl+0x1e2/0x24b [ 320.375303][ T3059] ? bfq_pos_tree_add_move+0x43e/0x43e [ 320.382034][ T3059] ? vsnprintf+0x1fa/0x1cd0 [ 320.386718][ T3059] dump_stack+0x15/0x17 [ 320.390976][ T3059] should_fail+0x3c0/0x510 [ 320.395546][ T3059] should_fail_usercopy+0x1a/0x20 [ 320.400747][ T3059] _copy_from_user+0x20/0xd0 [ 320.405689][ T3059] kstrtouint_from_user+0xd7/0x2b0 [ 320.411413][ T3059] ? kstrtol_from_user+0x310/0x310 [ 320.416530][ T3059] ? snprintf+0xd6/0x120 [ 320.420763][ T3059] ? avc_policy_seqno+0x1b/0x70 [ 320.425689][ T3059] ? selinux_file_permission+0x2a9/0x520 [ 320.432291][ T3059] proc_fail_nth_write+0xa5/0x290 [ 320.437413][ T3059] ? security_file_permission+0x9d/0xc0 [ 320.439845][ T3069] FAULT_INJECTION: forcing a failure. [ 320.439845][ T3069] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.442957][ T3059] ? proc_fail_nth_read+0x220/0x220 [ 320.442975][ T3059] ? security_file_permission+0xa8/0xc0 [ 320.469664][ T3059] ? rw_verify_area+0x1c2/0x360 [ 320.474702][ T3059] ? proc_fail_nth_read+0x220/0x220 [ 320.480343][ T3059] vfs_write+0x39b/0xf80 [ 320.484583][ T3059] ? kernel_write+0x420/0x420 [ 320.489361][ T3059] ? __kasan_check_write+0x14/0x20 [ 320.494570][ T3059] ? mutex_lock+0xb2/0x1e0 [ 320.498987][ T3059] ? mutex_trylock+0x180/0x180 [ 320.503931][ T3059] ? __fdget_pos+0x26d/0x310 [ 320.509033][ T3059] ? ksys_write+0x77/0x2c0 [ 320.513436][ T3059] ksys_write+0x198/0x2c0 [ 320.517770][ T3059] ? __ia32_sys_read+0x90/0x90 [ 320.522943][ T3059] ? debug_smp_processor_id+0x17/0x20 [ 320.528312][ T3059] __x64_sys_write+0x7b/0x90 [ 320.533066][ T3059] do_syscall_64+0x34/0x70 [ 320.537469][ T3059] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 320.543363][ T3059] RIP: 0033:0x7f7d1c31ab5f [ 320.548290][ T3059] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 320.568495][ T3059] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 320.577095][ T3059] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 320.585620][ T3059] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 320.593686][ T3059] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 320.602010][ T3059] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 320.610162][ T3059] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 320.619428][ T3069] CPU: 1 PID: 3069 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 320.630195][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 320.640900][ T3069] Call Trace: [ 320.644301][ T3069] dump_stack_lvl+0x1e2/0x24b [ 320.649168][ T3069] ? bfq_pos_tree_add_move+0x43e/0x43e [ 320.655079][ T3069] ? vsnprintf+0x1fa/0x1cd0 [ 320.659788][ T3069] dump_stack+0x15/0x17 [ 320.664138][ T3069] should_fail+0x3c0/0x510 [ 320.668550][ T3069] should_fail_usercopy+0x1a/0x20 [ 320.670986][ T3072] FAULT_INJECTION: forcing a failure. [ 320.670986][ T3072] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 320.673843][ T3069] _copy_from_user+0x20/0xd0 [ 320.673854][ T3069] kstrtouint_from_user+0xd7/0x2b0 [ 320.673863][ T3069] ? kstrtol_from_user+0x310/0x310 [ 320.673882][ T3069] ? snprintf+0xd6/0x120 [ 320.706483][ T3069] ? avc_policy_seqno+0x1b/0x70 [ 320.711315][ T3069] ? selinux_file_permission+0x2a9/0x520 [ 320.716929][ T3069] proc_fail_nth_write+0xa5/0x290 [ 320.722072][ T3069] ? security_file_permission+0x9d/0xc0 [ 320.727956][ T3069] ? proc_fail_nth_read+0x220/0x220 [ 320.733221][ T3069] ? security_file_permission+0xa8/0xc0 [ 320.739024][ T3069] ? rw_verify_area+0x1c2/0x360 [ 320.739073][ T3074] FAULT_INJECTION: forcing a failure. [ 320.739073][ T3074] name failslab, interval 1, probability 0, space 0, times 0 [ 320.744131][ T3069] ? proc_fail_nth_read+0x220/0x220 [ 320.744140][ T3069] vfs_write+0x39b/0xf80 [ 320.744155][ T3069] ? kernel_write+0x420/0x420 [ 320.771325][ T3069] ? __kasan_check_write+0x14/0x20 [ 320.776437][ T3069] ? mutex_lock+0xb2/0x1e0 [ 320.781108][ T3069] ? mutex_trylock+0x180/0x180 [ 320.785855][ T3069] ? __fdget_pos+0x26d/0x310 [ 320.790536][ T3069] ? ksys_write+0x77/0x2c0 [ 320.794959][ T3069] ksys_write+0x198/0x2c0 [ 320.799291][ T3069] ? __ia32_sys_read+0x90/0x90 [ 320.804050][ T3069] ? debug_smp_processor_id+0x17/0x20 [ 320.809407][ T3069] __x64_sys_write+0x7b/0x90 [ 320.813994][ T3069] do_syscall_64+0x34/0x70 [ 320.818393][ T3069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 320.824351][ T3069] RIP: 0033:0x7f6ebe0d0b5f [ 320.829196][ T3069] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 320.849381][ T3069] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 320.858153][ T3069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 320.866300][ T3069] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 320.874623][ T3069] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 320.882787][ T3069] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 320.890924][ T3069] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 320.899149][ T3074] CPU: 0 PID: 3074 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 320.910915][ T3074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 320.921152][ T3074] Call Trace: [ 320.924517][ T3074] dump_stack_lvl+0x1e2/0x24b [ 320.929306][ T3074] ? panic+0x7d7/0x7d7 [ 320.933533][ T3074] ? bfq_pos_tree_add_move+0x43e/0x43e [ 320.939499][ T3074] ? find_next_bit+0xd6/0x120 [ 320.944360][ T3074] ? cpumask_next+0x11/0x30 [ 320.948859][ T3074] dump_stack+0x15/0x17 [ 320.952994][ T3074] should_fail+0x3c0/0x510 [ 320.957573][ T3074] ? percpu_ref_init+0xd0/0x340 [ 320.962493][ T3074] __should_failslab+0x9f/0xe0 [ 320.967235][ T3074] should_failslab+0x9/0x20 [ 320.971901][ T3074] kmem_cache_alloc_trace+0x3a/0x330 [ 320.977167][ T3074] percpu_ref_init+0xd0/0x340 [ 320.981833][ T3074] ? cgroup_setup_root+0xea0/0xea0 [ 320.986927][ T3074] cgroup_apply_control_enable+0x3a2/0x12f0 [ 320.992840][ T3074] ? cgroup_reconfigure+0xe0/0xe0 [ 320.998055][ T3074] cgroup_apply_control+0x8e/0x7e0 [ 321.003357][ T3074] ? css_next_child+0x160/0x160 [ 321.008294][ T3074] ? io_schedule+0x120/0x120 [ 321.012905][ T3074] ? kernfs_fop_write_iter+0x15e/0x410 [ 321.018471][ T3074] ? __kasan_check_write+0x14/0x20 [ 321.023652][ T3074] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 321.028918][ T3074] cgroup_subtree_control_write+0xd19/0x1310 [ 321.034891][ T3074] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 321.040854][ T3074] ? __kasan_check_write+0x14/0x20 [ 321.045949][ T3074] ? _copy_from_iter+0x3fb/0xd60 [ 321.050984][ T3074] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 321.056960][ T3074] cgroup_file_write+0x28e/0x590 [ 321.061945][ T3074] ? cgroup_seqfile_stop+0xc0/0xc0 [ 321.067535][ T3074] ? mutex_trylock+0x180/0x180 [ 321.072288][ T3074] ? __kasan_check_write+0x14/0x20 [ 321.077385][ T3074] kernfs_fop_write_iter+0x2d0/0x410 [ 321.082652][ T3074] ? cgroup_seqfile_stop+0xc0/0xc0 [ 321.087944][ T3074] vfs_write+0xc4a/0xf80 [ 321.092521][ T3074] ? kernel_write+0x420/0x420 [ 321.097264][ T3074] ? mutex_lock+0xb2/0x1e0 [ 321.101756][ T3074] ? mutex_trylock+0x180/0x180 [ 321.106695][ T3074] ? __fdget_pos+0x26d/0x310 [ 321.111365][ T3074] ? ksys_write+0x77/0x2c0 [ 321.115761][ T3074] ksys_write+0x198/0x2c0 [ 321.120244][ T3074] ? __ia32_sys_read+0x90/0x90 [ 321.125284][ T3074] ? debug_smp_processor_id+0x17/0x20 [ 321.130730][ T3074] __x64_sys_write+0x7b/0x90 [ 321.135474][ T3074] do_syscall_64+0x34/0x70 [ 321.139980][ T3074] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 321.146290][ T3074] RIP: 0033:0x7f85191c4049 [ 321.150715][ T3074] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 321.170869][ T3074] RSP: 002b:00007f85190f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 321.179450][ T3074] RAX: ffffffffffffffda RBX: 00007f85192d7100 RCX: 00007f85191c4049 [ 321.187736][ T3074] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 321.196060][ T3074] RBP: 00007f85190f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 321.204094][ T3074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 321.212573][ T3074] R13: 00007ffd0d50551f R14: 00007f85190f8300 R15: 0000000000022000 [ 321.220681][ T3072] CPU: 1 PID: 3072 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 321.231003][ T3072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 321.241230][ T3072] Call Trace: [ 321.244534][ T3072] dump_stack_lvl+0x1e2/0x24b [ 321.249204][ T3072] ? bfq_pos_tree_add_move+0x43e/0x43e [ 321.254644][ T3072] ? vsnprintf+0x1fa/0x1cd0 [ 321.259126][ T3072] dump_stack+0x15/0x17 [ 321.263269][ T3072] should_fail+0x3c0/0x510 [ 321.267838][ T3072] should_fail_usercopy+0x1a/0x20 [ 321.272840][ T3072] _copy_from_user+0x20/0xd0 [ 321.277520][ T3072] kstrtouint_from_user+0xd7/0x2b0 [ 321.282787][ T3072] ? kstrtol_from_user+0x310/0x310 [ 321.287933][ T3072] ? snprintf+0xd6/0x120 [ 321.292269][ T3072] ? avc_policy_seqno+0x1b/0x70 [ 321.297126][ T3072] ? selinux_file_permission+0x2a9/0x520 [ 321.302917][ T3072] proc_fail_nth_write+0xa5/0x290 [ 321.308093][ T3072] ? security_file_permission+0x9d/0xc0 [ 321.313926][ T3072] ? proc_fail_nth_read+0x220/0x220 [ 321.319102][ T3072] ? security_file_permission+0xa8/0xc0 [ 321.324637][ T3072] ? rw_verify_area+0x1c2/0x360 [ 321.329503][ T3072] ? proc_fail_nth_read+0x220/0x220 [ 321.335061][ T3072] vfs_write+0x39b/0xf80 [ 321.339286][ T3072] ? kernel_write+0x420/0x420 [ 321.344043][ T3072] ? __kasan_check_write+0x14/0x20 [ 321.349150][ T3072] ? mutex_lock+0xb2/0x1e0 [ 321.353644][ T3072] ? mutex_trylock+0x180/0x180 [ 321.358802][ T3072] ? __fdget_pos+0x26d/0x310 [ 321.363393][ T3072] ? ksys_write+0x77/0x2c0 [ 321.368059][ T3072] ksys_write+0x198/0x2c0 [ 321.372746][ T3072] ? __ia32_sys_read+0x90/0x90 [ 321.377517][ T3072] ? debug_smp_processor_id+0x17/0x20 [ 321.383263][ T3072] __x64_sys_write+0x7b/0x90 [ 321.388039][ T3072] do_syscall_64+0x34/0x70 [ 321.392658][ T3072] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 321.398543][ T3072] RIP: 0033:0x7f022ab05b5f [ 321.402998][ T3072] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 321.422966][ T3072] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 321.431984][ T3072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 321.440083][ T3072] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 321.448134][ T3072] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 321.456092][ T3072] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 321.464151][ T3072] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 321.472389][ T3064] CPU: 0 PID: 3064 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 321.482905][ T3064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 321.494349][ T3064] Call Trace: [ 321.497624][ T3064] dump_stack_lvl+0x1e2/0x24b [ 321.502283][ T3064] ? bfq_pos_tree_add_move+0x43e/0x43e [ 321.507914][ T3064] ? vsnprintf+0x1fa/0x1cd0 [ 321.512403][ T3064] dump_stack+0x15/0x17 [ 321.516544][ T3064] should_fail+0x3c0/0x510 [ 321.521109][ T3064] should_fail_usercopy+0x1a/0x20 [ 321.526295][ T3064] _copy_from_user+0x20/0xd0 [ 321.530869][ T3064] kstrtouint_from_user+0xd7/0x2b0 [ 321.536412][ T3064] ? kstrtol_from_user+0x310/0x310 [ 321.541785][ T3064] ? snprintf+0xd6/0x120 [ 321.546179][ T3064] ? avc_policy_seqno+0x1b/0x70 [ 321.551008][ T3064] ? selinux_file_permission+0x2a9/0x520 [ 321.556702][ T3064] proc_fail_nth_write+0xa5/0x290 [ 321.561789][ T3064] ? security_file_permission+0x9d/0xc0 [ 321.567329][ T3064] ? proc_fail_nth_read+0x220/0x220 [ 321.572501][ T3064] ? security_file_permission+0xa8/0xc0 [ 321.578032][ T3064] ? rw_verify_area+0x1c2/0x360 [ 321.582864][ T3064] ? proc_fail_nth_read+0x220/0x220 [ 321.588049][ T3064] vfs_write+0x39b/0xf80 [ 321.592284][ T3064] ? kernel_write+0x420/0x420 [ 321.597024][ T3064] ? __kasan_check_write+0x14/0x20 [ 321.602111][ T3064] ? mutex_lock+0xb2/0x1e0 [ 321.606591][ T3064] ? mutex_trylock+0x180/0x180 [ 321.611335][ T3064] ? __fdget_pos+0x26d/0x310 [ 321.616012][ T3064] ? ksys_write+0x77/0x2c0 [ 321.620504][ T3064] ksys_write+0x198/0x2c0 [ 321.624823][ T3064] ? __ia32_sys_read+0x90/0x90 [ 321.629575][ T3064] ? debug_smp_processor_id+0x17/0x20 [ 321.635048][ T3064] __x64_sys_write+0x7b/0x90 [ 321.639825][ T3064] do_syscall_64+0x34/0x70 [ 321.644232][ T3064] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 321.650190][ T3064] RIP: 0033:0x7faa22393b5f [ 321.654600][ T3064] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 321.674974][ T3064] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 321.683374][ T3064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 321.691325][ T3064] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 321.699754][ T3064] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 321.707702][ T3064] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 321.715661][ T3064] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 321.737980][ T3082] FAULT_INJECTION: forcing a failure. [ 321.737980][ T3082] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 321.739123][ T3083] FAULT_INJECTION: forcing a failure. [ 321.739123][ T3083] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 321.757800][ T3085] FAULT_INJECTION: forcing a failure. [ 321.757800][ T3085] name failslab, interval 1, probability 0, space 0, times 0 [ 321.764403][ T3065] CPU: 0 PID: 3065 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 321.787700][ T3065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 321.797753][ T3065] Call Trace: [ 321.801034][ T3065] dump_stack_lvl+0x1e2/0x24b [ 321.805699][ T3065] ? bfq_pos_tree_add_move+0x43e/0x43e [ 321.811326][ T3065] ? vsnprintf+0x1fa/0x1cd0 [ 321.815815][ T3065] dump_stack+0x15/0x17 [ 321.819960][ T3065] should_fail+0x3c0/0x510 [ 321.824377][ T3065] should_fail_usercopy+0x1a/0x20 [ 321.830678][ T3065] _copy_from_user+0x20/0xd0 [ 321.835446][ T3065] kstrtouint_from_user+0xd7/0x2b0 [ 321.840553][ T3065] ? kstrtol_from_user+0x310/0x310 [ 321.845741][ T3065] ? snprintf+0xd6/0x120 [ 321.851094][ T3065] ? avc_policy_seqno+0x1b/0x70 [ 321.856330][ T3065] ? selinux_file_permission+0x2a9/0x520 [ 321.862137][ T3065] proc_fail_nth_write+0xa5/0x290 [ 321.867286][ T3065] ? security_file_permission+0x9d/0xc0 [ 321.872838][ T3065] ? proc_fail_nth_read+0x220/0x220 [ 321.878215][ T3065] ? security_file_permission+0xa8/0xc0 [ 321.883753][ T3065] ? rw_verify_area+0x1c2/0x360 [ 321.888694][ T3065] ? proc_fail_nth_read+0x220/0x220 [ 321.894941][ T3065] vfs_write+0x39b/0xf80 [ 321.900078][ T3065] ? kernel_write+0x420/0x420 [ 321.906251][ T3065] ? __kasan_check_write+0x14/0x20 [ 321.911601][ T3065] ? mutex_lock+0xb2/0x1e0 [ 321.916176][ T3065] ? mutex_trylock+0x180/0x180 [ 321.921133][ T3065] ? __fdget_pos+0x26d/0x310 [ 321.926250][ T3065] ? ksys_write+0x77/0x2c0 [ 321.931395][ T3065] ksys_write+0x198/0x2c0 [ 321.936144][ T3065] ? __ia32_sys_read+0x90/0x90 [ 321.942138][ T3065] ? debug_smp_processor_id+0x17/0x20 [ 321.948090][ T3065] __x64_sys_write+0x7b/0x90 [ 321.953203][ T3065] do_syscall_64+0x34/0x70 [ 321.958109][ T3065] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 321.965553][ T3065] RIP: 0033:0x7f869ba6eb5f [ 321.970361][ T3065] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 321.992731][ T3065] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 322.001761][ T3065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 322.011127][ T3065] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 322.019360][ T3065] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 322.027503][ T3065] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 322.035562][ T3065] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 322.044555][ T3083] CPU: 0 PID: 3083 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 322.055069][ T3083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 322.065627][ T3083] Call Trace: [ 322.069100][ T3083] dump_stack_lvl+0x1e2/0x24b [ 322.073989][ T3083] ? bfq_pos_tree_add_move+0x43e/0x43e [ 322.079451][ T3083] ? vsnprintf+0x1fa/0x1cd0 [ 322.083978][ T3083] dump_stack+0x15/0x17 [ 322.088420][ T3083] should_fail+0x3c0/0x510 [ 322.093556][ T3083] should_fail_usercopy+0x1a/0x20 [ 322.098847][ T3083] _copy_from_user+0x20/0xd0 [ 322.103778][ T3083] kstrtouint_from_user+0xd7/0x2b0 [ 322.109061][ T3083] ? kstrtol_from_user+0x310/0x310 [ 322.114454][ T3083] ? snprintf+0xd6/0x120 [ 322.119354][ T3083] ? avc_policy_seqno+0x1b/0x70 [ 322.124193][ T3083] ? selinux_file_permission+0x2a9/0x520 [ 322.129992][ T3083] proc_fail_nth_write+0xa5/0x290 [ 322.135266][ T3083] ? security_file_permission+0x9d/0xc0 [ 322.141078][ T3083] ? proc_fail_nth_read+0x220/0x220 [ 322.146553][ T3083] ? security_file_permission+0xa8/0xc0 [ 322.152266][ T3083] ? rw_verify_area+0x1c2/0x360 [ 322.157293][ T3083] ? proc_fail_nth_read+0x220/0x220 [ 322.162585][ T3083] vfs_write+0x39b/0xf80 [ 322.167065][ T3083] ? kernel_write+0x420/0x420 [ 322.171733][ T3083] ? __kasan_check_write+0x14/0x20 [ 322.176915][ T3083] ? mutex_lock+0xb2/0x1e0 [ 322.181312][ T3083] ? mutex_trylock+0x180/0x180 [ 322.186322][ T3083] ? __fdget_pos+0x26d/0x310 [ 322.191008][ T3083] ? ksys_write+0x77/0x2c0 [ 322.195866][ T3083] ksys_write+0x198/0x2c0 [ 322.200495][ T3083] ? __ia32_sys_read+0x90/0x90 [ 322.205456][ T3083] ? debug_smp_processor_id+0x17/0x20 [ 322.211137][ T3083] __x64_sys_write+0x7b/0x90 [ 322.216479][ T3083] do_syscall_64+0x34/0x70 [ 322.221099][ T3083] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 322.227165][ T3083] RIP: 0033:0x7f6ebe0d0b5f [ 322.231660][ T3083] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 322.251806][ T3083] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 322.260207][ T3083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 322.268801][ T3083] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 322.276771][ T3083] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 322.285166][ T3083] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 322.293349][ T3083] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 322.301620][ T3082] CPU: 1 PID: 3082 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 322.312078][ T3082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 322.322383][ T3082] Call Trace: [ 322.325747][ T3082] dump_stack_lvl+0x1e2/0x24b [ 322.330412][ T3082] ? bfq_pos_tree_add_move+0x43e/0x43e [ 322.336379][ T3082] ? vsnprintf+0x1fa/0x1cd0 [ 322.341006][ T3082] dump_stack+0x15/0x17 [ 322.345320][ T3082] should_fail+0x3c0/0x510 [ 322.350178][ T3082] should_fail_usercopy+0x1a/0x20 [ 322.355850][ T3082] _copy_from_user+0x20/0xd0 [ 322.360606][ T3082] kstrtouint_from_user+0xd7/0x2b0 [ 322.365882][ T3082] ? kstrtol_from_user+0x310/0x310 [ 322.371547][ T3082] ? snprintf+0xd6/0x120 [ 322.376056][ T3082] ? avc_policy_seqno+0x1b/0x70 [ 322.381130][ T3082] ? selinux_file_permission+0x2a9/0x520 [ 322.387162][ T3082] proc_fail_nth_write+0xa5/0x290 [ 322.392246][ T3082] ? security_file_permission+0x9d/0xc0 [ 322.398128][ T3082] ? proc_fail_nth_read+0x220/0x220 [ 322.404727][ T3082] ? security_file_permission+0xa8/0xc0 [ 322.410535][ T3082] ? rw_verify_area+0x1c2/0x360 [ 322.416692][ T3082] ? proc_fail_nth_read+0x220/0x220 [ 322.421971][ T3082] vfs_write+0x39b/0xf80 [ 322.426289][ T3082] ? kernel_write+0x420/0x420 [ 322.431475][ T3082] ? __kasan_check_write+0x14/0x20 [ 322.436659][ T3082] ? mutex_lock+0xb2/0x1e0 [ 322.441143][ T3082] ? mutex_trylock+0x180/0x180 [ 322.445896][ T3082] ? __fdget_pos+0x26d/0x310 [ 322.450575][ T3082] ? ksys_write+0x77/0x2c0 [ 322.455086][ T3082] ksys_write+0x198/0x2c0 [ 322.459406][ T3082] ? __ia32_sys_read+0x90/0x90 [ 322.464254][ T3082] ? debug_smp_processor_id+0x17/0x20 [ 322.469621][ T3082] __x64_sys_write+0x7b/0x90 [ 322.474412][ T3082] do_syscall_64+0x34/0x70 [ 322.478906][ T3082] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 322.485148][ T3082] RIP: 0033:0x7f022ab05b5f [ 322.489725][ T3082] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 322.510006][ T3082] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 322.518678][ T3082] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 322.526738][ T3082] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 322.534819][ T3082] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 322.542862][ T3082] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 322.551018][ T3082] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 322.559091][ T3085] CPU: 0 PID: 3085 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 322.569594][ T3085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 322.579744][ T3085] Call Trace: [ 322.583121][ T3085] dump_stack_lvl+0x1e2/0x24b [ 322.587968][ T3085] ? panic+0x7d7/0x7d7 [ 322.592022][ T3085] ? bfq_pos_tree_add_move+0x43e/0x43e [ 322.597556][ T3085] ? find_next_bit+0xd6/0x120 [ 322.602213][ T3085] ? cpumask_next+0x11/0x30 [ 322.606827][ T3085] dump_stack+0x15/0x17 [ 322.611061][ T3085] should_fail+0x3c0/0x510 [ 322.615566][ T3085] ? percpu_ref_init+0xd0/0x340 [ 322.620479][ T3085] __should_failslab+0x9f/0xe0 [ 322.625220][ T3085] should_failslab+0x9/0x20 [ 322.629702][ T3085] kmem_cache_alloc_trace+0x3a/0x330 [ 322.635392][ T3085] percpu_ref_init+0xd0/0x340 [ 322.640218][ T3085] ? cgroup_setup_root+0xea0/0xea0 [ 322.645400][ T3085] cgroup_apply_control_enable+0x3a2/0x12f0 [ 322.651816][ T3085] ? cgroup_reconfigure+0xe0/0xe0 [ 322.656912][ T3085] cgroup_apply_control+0x8e/0x7e0 [ 322.662129][ T3085] ? css_next_child+0x160/0x160 [ 322.667150][ T3085] ? io_schedule+0x120/0x120 [ 322.671730][ T3085] ? kernfs_fop_write_iter+0x15e/0x410 [ 322.677262][ T3085] ? __kasan_check_write+0x14/0x20 [ 322.682614][ T3085] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 322.688051][ T3085] cgroup_subtree_control_write+0xd19/0x1310 [ 322.694913][ T3085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 322.701081][ T3085] ? __kasan_check_write+0x14/0x20 [ 322.706274][ T3085] ? _copy_from_iter+0x3fb/0xd60 [ 322.711473][ T3085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 322.717534][ T3085] cgroup_file_write+0x28e/0x590 [ 322.722453][ T3085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 322.727801][ T3085] ? mutex_trylock+0x180/0x180 [ 322.732949][ T3085] ? __kasan_check_write+0x14/0x20 [ 322.738142][ T3085] kernfs_fop_write_iter+0x2d0/0x410 [ 322.743583][ T3085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 322.748942][ T3085] vfs_write+0xc4a/0xf80 [ 322.753274][ T3085] ? kernel_write+0x420/0x420 [ 322.757952][ T3085] ? mutex_lock+0xb2/0x1e0 [ 322.762374][ T3085] ? mutex_trylock+0x180/0x180 [ 322.767118][ T3085] ? __fdget_pos+0x26d/0x310 [ 322.771828][ T3085] ? ksys_write+0x77/0x2c0 [ 322.776321][ T3085] ksys_write+0x198/0x2c0 [ 322.780941][ T3085] ? __kasan_check_write+0x14/0x20 [ 322.786150][ T3085] ? __ia32_sys_read+0x90/0x90 [ 322.791306][ T3085] __x64_sys_write+0x7b/0x90 [ 322.795967][ T3085] do_syscall_64+0x34/0x70 [ 322.800468][ T3085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 322.806922][ T3085] RIP: 0033:0x7f85191c4049 [ 322.811811][ T3085] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 322.832568][ T3085] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2022/08/30 17:01:03 executed programs: 1202 [ 322.841236][ T3085] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 322.849235][ T3085] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 322.857844][ T3085] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 322.865894][ T3085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 322.873930][ T3085] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 322.885407][ T3092] FAULT_INJECTION: forcing a failure. [ 322.885407][ T3092] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 322.889707][ T3093] FAULT_INJECTION: forcing a failure. [ 322.889707][ T3093] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 322.900368][ T3094] FAULT_INJECTION: forcing a failure. [ 322.900368][ T3094] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 322.929524][ T3098] FAULT_INJECTION: forcing a failure. [ 322.929524][ T3098] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 322.945425][ T3092] CPU: 0 PID: 3092 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 322.955850][ T3092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 322.966078][ T3092] Call Trace: [ 322.969389][ T3092] dump_stack_lvl+0x1e2/0x24b [ 322.974174][ T3092] ? bfq_pos_tree_add_move+0x43e/0x43e [ 322.979903][ T3092] ? vsnprintf+0x1fa/0x1cd0 [ 322.984499][ T3092] dump_stack+0x15/0x17 [ 322.988988][ T3092] should_fail+0x3c0/0x510 [ 322.993589][ T3092] should_fail_usercopy+0x1a/0x20 [ 322.998811][ T3092] _copy_from_user+0x20/0xd0 [ 323.003649][ T3092] kstrtouint_from_user+0xd7/0x2b0 [ 323.008839][ T3092] ? kstrtol_from_user+0x310/0x310 [ 323.014024][ T3092] ? snprintf+0xd6/0x120 [ 323.018260][ T3092] ? avc_policy_seqno+0x1b/0x70 [ 323.023090][ T3092] ? selinux_file_permission+0x2a9/0x520 [ 323.028705][ T3092] proc_fail_nth_write+0xa5/0x290 [ 323.033817][ T3092] ? security_file_permission+0x9d/0xc0 [ 323.039357][ T3092] ? proc_fail_nth_read+0x220/0x220 [ 323.044734][ T3092] ? security_file_permission+0xa8/0xc0 [ 323.050454][ T3092] ? rw_verify_area+0x1c2/0x360 [ 323.055304][ T3092] ? proc_fail_nth_read+0x220/0x220 [ 323.060505][ T3092] vfs_write+0x39b/0xf80 [ 323.064821][ T3092] ? kernel_write+0x420/0x420 [ 323.069868][ T3092] ? __kasan_check_write+0x14/0x20 [ 323.075141][ T3092] ? mutex_lock+0xb2/0x1e0 [ 323.079817][ T3092] ? mutex_trylock+0x180/0x180 [ 323.084754][ T3092] ? __fdget_pos+0x26d/0x310 [ 323.089707][ T3092] ? ksys_write+0x77/0x2c0 [ 323.094129][ T3092] ksys_write+0x198/0x2c0 [ 323.098625][ T3092] ? __ia32_sys_read+0x90/0x90 [ 323.103407][ T3092] ? debug_smp_processor_id+0x17/0x20 [ 323.108784][ T3092] __x64_sys_write+0x7b/0x90 [ 323.113477][ T3092] do_syscall_64+0x34/0x70 [ 323.117852][ T3101] FAULT_INJECTION: forcing a failure. [ 323.117852][ T3101] name failslab, interval 1, probability 0, space 0, times 0 [ 323.117886][ T3092] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 323.136791][ T3092] RIP: 0033:0x7f6ebe0d0b5f [ 323.141209][ T3092] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 323.160908][ T3092] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 323.169617][ T3092] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 323.177851][ T3092] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 323.185981][ T3092] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 323.194112][ T3092] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 323.202241][ T3092] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 323.210566][ T3094] CPU: 1 PID: 3094 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 323.221156][ T3094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 323.231292][ T3094] Call Trace: [ 323.234581][ T3094] dump_stack_lvl+0x1e2/0x24b [ 323.239242][ T3094] ? bfq_pos_tree_add_move+0x43e/0x43e [ 323.245126][ T3094] ? vsnprintf+0x1fa/0x1cd0 [ 323.249629][ T3094] dump_stack+0x15/0x17 [ 323.254112][ T3094] should_fail+0x3c0/0x510 [ 323.258527][ T3094] should_fail_usercopy+0x1a/0x20 [ 323.263536][ T3094] _copy_from_user+0x20/0xd0 [ 323.268110][ T3094] kstrtouint_from_user+0xd7/0x2b0 [ 323.273302][ T3094] ? kstrtol_from_user+0x310/0x310 [ 323.278541][ T3094] ? snprintf+0xd6/0x120 [ 323.283031][ T3094] ? avc_policy_seqno+0x1b/0x70 [ 323.288143][ T3094] ? selinux_file_permission+0x2a9/0x520 [ 323.293844][ T3094] proc_fail_nth_write+0xa5/0x290 [ 323.298940][ T3094] ? security_file_permission+0x9d/0xc0 [ 323.304586][ T3094] ? proc_fail_nth_read+0x220/0x220 [ 323.309894][ T3094] ? security_file_permission+0xa8/0xc0 [ 323.315597][ T3094] ? rw_verify_area+0x1c2/0x360 [ 323.320705][ T3094] ? proc_fail_nth_read+0x220/0x220 [ 323.325977][ T3094] vfs_write+0x39b/0xf80 [ 323.330564][ T3094] ? kernel_write+0x420/0x420 [ 323.335408][ T3094] ? __kasan_check_write+0x14/0x20 [ 323.340762][ T3094] ? mutex_lock+0xb2/0x1e0 [ 323.345251][ T3094] ? mutex_trylock+0x180/0x180 [ 323.349994][ T3094] ? __fdget_pos+0x26d/0x310 [ 323.354664][ T3094] ? ksys_write+0x77/0x2c0 [ 323.359064][ T3094] ksys_write+0x198/0x2c0 [ 323.363376][ T3094] ? __ia32_sys_read+0x90/0x90 [ 323.368121][ T3094] ? debug_smp_processor_id+0x17/0x20 [ 323.373754][ T3094] __x64_sys_write+0x7b/0x90 [ 323.378327][ T3094] do_syscall_64+0x34/0x70 [ 323.382811][ T3094] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 323.389067][ T3094] RIP: 0033:0x7faa22393b5f [ 323.393561][ T3094] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 323.413867][ T3094] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 323.422524][ T3094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 323.430654][ T3094] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 323.438615][ T3094] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 323.446835][ T3094] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 323.455222][ T3094] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 323.464141][ T3098] CPU: 0 PID: 3098 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 323.474555][ T3098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 323.484603][ T3098] Call Trace: [ 323.488060][ T3098] dump_stack_lvl+0x1e2/0x24b [ 323.492820][ T3098] ? bfq_pos_tree_add_move+0x43e/0x43e [ 323.498656][ T3098] ? vsnprintf+0x1fa/0x1cd0 [ 323.503164][ T3098] dump_stack+0x15/0x17 [ 323.507401][ T3098] should_fail+0x3c0/0x510 [ 323.511881][ T3098] should_fail_usercopy+0x1a/0x20 [ 323.516985][ T3098] _copy_from_user+0x20/0xd0 [ 323.521940][ T3098] kstrtouint_from_user+0xd7/0x2b0 [ 323.527313][ T3098] ? kstrtol_from_user+0x310/0x310 [ 323.532627][ T3098] ? snprintf+0xd6/0x120 [ 323.536859][ T3098] ? avc_policy_seqno+0x1b/0x70 [ 323.541776][ T3098] ? selinux_file_permission+0x2a9/0x520 [ 323.547547][ T3098] proc_fail_nth_write+0xa5/0x290 [ 323.552784][ T3098] ? security_file_permission+0x9d/0xc0 [ 323.558419][ T3098] ? proc_fail_nth_read+0x220/0x220 [ 323.563599][ T3098] ? security_file_permission+0xa8/0xc0 [ 323.569395][ T3098] ? rw_verify_area+0x1c2/0x360 [ 323.574398][ T3098] ? proc_fail_nth_read+0x220/0x220 [ 323.579578][ T3098] vfs_write+0x39b/0xf80 [ 323.584075][ T3098] ? kernel_write+0x420/0x420 [ 323.588817][ T3098] ? __kasan_check_write+0x14/0x20 [ 323.593985][ T3098] ? mutex_lock+0xb2/0x1e0 [ 323.598567][ T3098] ? mutex_trylock+0x180/0x180 [ 323.603334][ T3098] ? __fdget_pos+0x26d/0x310 [ 323.608137][ T3098] ? ksys_write+0x77/0x2c0 [ 323.612677][ T3098] ksys_write+0x198/0x2c0 [ 323.617358][ T3098] ? __ia32_sys_read+0x90/0x90 [ 323.622277][ T3098] ? debug_smp_processor_id+0x17/0x20 [ 323.627635][ T3098] __x64_sys_write+0x7b/0x90 [ 323.632302][ T3098] do_syscall_64+0x34/0x70 [ 323.636799][ T3098] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 323.643139][ T3098] RIP: 0033:0x7f7d1c31ab5f [ 323.647548][ T3098] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 323.668450][ T3098] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 323.677030][ T3098] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 323.684996][ T3098] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 323.693150][ T3098] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 323.701626][ T3098] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 323.709958][ T3098] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 323.723125][ T3093] CPU: 0 PID: 3093 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 323.733575][ T3093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 323.743610][ T3093] Call Trace: [ 323.746897][ T3093] dump_stack_lvl+0x1e2/0x24b [ 323.751560][ T3093] ? bfq_pos_tree_add_move+0x43e/0x43e [ 323.757083][ T3093] ? vsnprintf+0x1fa/0x1cd0 [ 323.761652][ T3093] dump_stack+0x15/0x17 [ 323.765784][ T3093] should_fail+0x3c0/0x510 [ 323.770274][ T3093] should_fail_usercopy+0x1a/0x20 [ 323.775485][ T3093] _copy_from_user+0x20/0xd0 [ 323.780251][ T3093] kstrtouint_from_user+0xd7/0x2b0 [ 323.785346][ T3093] ? kstrtol_from_user+0x310/0x310 [ 323.790789][ T3093] ? snprintf+0xd6/0x120 [ 323.795167][ T3093] ? avc_policy_seqno+0x1b/0x70 [ 323.799999][ T3093] ? selinux_file_permission+0x2a9/0x520 [ 323.805743][ T3093] proc_fail_nth_write+0xa5/0x290 [ 323.810846][ T3093] ? security_file_permission+0x9d/0xc0 [ 323.816754][ T3093] ? proc_fail_nth_read+0x220/0x220 [ 323.822063][ T3093] ? security_file_permission+0xa8/0xc0 [ 323.827790][ T3093] ? rw_verify_area+0x1c2/0x360 [ 323.833153][ T3093] ? proc_fail_nth_read+0x220/0x220 [ 323.838415][ T3093] vfs_write+0x39b/0xf80 [ 323.842892][ T3093] ? kernel_write+0x420/0x420 [ 323.847910][ T3093] ? __kasan_check_write+0x14/0x20 [ 323.853380][ T3093] ? mutex_lock+0xb2/0x1e0 [ 323.858314][ T3093] ? mutex_trylock+0x180/0x180 [ 323.863256][ T3093] ? __fdget_pos+0x26d/0x310 [ 323.867838][ T3093] ? ksys_write+0x77/0x2c0 [ 323.872231][ T3093] ksys_write+0x198/0x2c0 [ 323.877256][ T3093] ? __ia32_sys_read+0x90/0x90 [ 323.882101][ T3093] ? debug_smp_processor_id+0x17/0x20 [ 323.887462][ T3093] __x64_sys_write+0x7b/0x90 [ 323.892152][ T3093] do_syscall_64+0x34/0x70 [ 323.896907][ T3093] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 323.902813][ T3093] RIP: 0033:0x7f869ba6eb5f [ 323.907662][ T3093] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 323.927288][ T3093] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 323.935766][ T3093] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 323.944293][ T3093] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 323.952335][ T3093] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 323.960393][ T3093] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 323.968693][ T3093] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 323.976938][ T3101] CPU: 0 PID: 3101 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 323.987829][ T3101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 323.998234][ T3101] Call Trace: [ 324.001920][ T3101] dump_stack_lvl+0x1e2/0x24b [ 324.006593][ T3101] ? panic+0x7d7/0x7d7 [ 324.010655][ T3101] ? bfq_pos_tree_add_move+0x43e/0x43e [ 324.016236][ T3101] ? find_next_bit+0xd6/0x120 [ 324.021278][ T3101] ? cpumask_next+0x11/0x30 [ 324.025786][ T3101] dump_stack+0x15/0x17 [ 324.029924][ T3101] should_fail+0x3c0/0x510 [ 324.034407][ T3101] ? percpu_ref_init+0xd0/0x340 [ 324.039235][ T3101] __should_failslab+0x9f/0xe0 [ 324.043989][ T3101] should_failslab+0x9/0x20 [ 324.048487][ T3101] kmem_cache_alloc_trace+0x3a/0x330 [ 324.054287][ T3101] percpu_ref_init+0xd0/0x340 [ 324.059077][ T3101] ? cgroup_setup_root+0xea0/0xea0 [ 324.064206][ T3101] cgroup_apply_control_enable+0x3a2/0x12f0 [ 324.070098][ T3101] ? cgroup_reconfigure+0xe0/0xe0 [ 324.075138][ T3101] cgroup_apply_control+0x8e/0x7e0 [ 324.080226][ T3101] ? css_next_child+0x160/0x160 [ 324.085052][ T3101] ? io_schedule+0x120/0x120 [ 324.089621][ T3101] ? kernfs_fop_write_iter+0x15e/0x410 [ 324.095053][ T3101] ? __kasan_check_write+0x14/0x20 [ 324.100148][ T3101] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 324.105523][ T3101] cgroup_subtree_control_write+0xd19/0x1310 [ 324.111570][ T3101] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 324.117546][ T3101] ? __kasan_check_write+0x14/0x20 [ 324.122658][ T3101] ? _copy_from_iter+0x3fb/0xd60 [ 324.127572][ T3101] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 324.133544][ T3101] cgroup_file_write+0x28e/0x590 [ 324.138474][ T3101] ? cgroup_seqfile_stop+0xc0/0xc0 [ 324.143762][ T3101] ? mutex_trylock+0x180/0x180 [ 324.148533][ T3101] ? __kasan_check_write+0x14/0x20 [ 324.153633][ T3101] kernfs_fop_write_iter+0x2d0/0x410 [ 324.159009][ T3101] ? cgroup_seqfile_stop+0xc0/0xc0 [ 324.164122][ T3101] vfs_write+0xc4a/0xf80 [ 324.168480][ T3101] ? kernel_write+0x420/0x420 [ 324.173266][ T3101] ? mutex_lock+0xb2/0x1e0 [ 324.177934][ T3101] ? mutex_trylock+0x180/0x180 [ 324.183031][ T3101] ? __fdget_pos+0x26d/0x310 [ 324.187686][ T3101] ? ksys_write+0x77/0x2c0 [ 324.192369][ T3101] ksys_write+0x198/0x2c0 [ 324.197128][ T3101] ? __ia32_sys_read+0x90/0x90 [ 324.201963][ T3101] ? debug_smp_processor_id+0x17/0x20 [ 324.207408][ T3101] __x64_sys_write+0x7b/0x90 [ 324.212250][ T3101] do_syscall_64+0x34/0x70 [ 324.217434][ T3101] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 324.223391][ T3101] RIP: 0033:0x7f85191c4049 [ 324.228054][ T3101] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 324.248070][ T3101] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 324.256906][ T3101] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 324.265150][ T3101] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 324.273295][ T3101] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 324.281255][ T3101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 324.289285][ T3101] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 324.300109][ T3104] FAULT_INJECTION: forcing a failure. [ 324.300109][ T3104] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 324.320142][ T3109] FAULT_INJECTION: forcing a failure. [ 324.320142][ T3109] name failslab, interval 1, probability 0, space 0, times 0 [ 324.335460][ T3109] CPU: 0 PID: 3109 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 324.346314][ T3109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 324.356904][ T3109] Call Trace: [ 324.360187][ T3109] dump_stack_lvl+0x1e2/0x24b [ 324.364958][ T3109] ? panic+0x7d7/0x7d7 [ 324.369184][ T3109] ? bfq_pos_tree_add_move+0x43e/0x43e [ 324.374883][ T3109] ? preempt_schedule_thunk+0x16/0x18 [ 324.380245][ T3109] ? find_next_bit+0xd6/0x120 [ 324.385174][ T3109] ? cpumask_next+0x11/0x30 [ 324.389753][ T3109] dump_stack+0x15/0x17 [ 324.393978][ T3109] should_fail+0x3c0/0x510 [ 324.398467][ T3109] ? percpu_ref_init+0xd0/0x340 [ 324.403661][ T3109] __should_failslab+0x9f/0xe0 [ 324.409018][ T3109] should_failslab+0x9/0x20 [ 324.413516][ T3109] kmem_cache_alloc_trace+0x3a/0x330 [ 324.419309][ T3109] percpu_ref_init+0xd0/0x340 [ 324.424159][ T3109] ? cgroup_setup_root+0xea0/0xea0 [ 324.429970][ T3109] cgroup_apply_control_enable+0x3a2/0x12f0 [ 324.435940][ T3109] ? cgroup_reconfigure+0xe0/0xe0 [ 324.441039][ T3109] cgroup_apply_control+0x8e/0x7e0 [ 324.446332][ T3109] ? css_next_child+0x160/0x160 [ 324.451188][ T3109] ? io_schedule+0x120/0x120 [ 324.455867][ T3109] ? kernfs_fop_write_iter+0x15e/0x410 [ 324.461396][ T3109] ? __kasan_check_write+0x14/0x20 [ 324.466583][ T3109] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 324.471862][ T3109] cgroup_subtree_control_write+0xd19/0x1310 [ 324.478094][ T3109] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 324.484230][ T3109] ? __kasan_check_write+0x14/0x20 [ 324.489575][ T3109] ? _copy_from_iter+0x3fb/0xd60 [ 324.495692][ T3109] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 324.501838][ T3109] cgroup_file_write+0x28e/0x590 [ 324.506773][ T3109] ? cgroup_seqfile_stop+0xc0/0xc0 [ 324.511986][ T3109] ? mutex_trylock+0x180/0x180 [ 324.516956][ T3109] ? __kasan_check_write+0x14/0x20 [ 324.522492][ T3109] kernfs_fop_write_iter+0x2d0/0x410 [ 324.527759][ T3109] ? cgroup_seqfile_stop+0xc0/0xc0 [ 324.532960][ T3109] vfs_write+0xc4a/0xf80 [ 324.537187][ T3109] ? kernel_write+0x420/0x420 [ 324.542070][ T3109] ? mutex_lock+0xb2/0x1e0 [ 324.546468][ T3109] ? mutex_trylock+0x180/0x180 [ 324.551355][ T3109] ? __fdget_pos+0x26d/0x310 [ 324.555946][ T3109] ? ksys_write+0x77/0x2c0 [ 324.560592][ T3109] ksys_write+0x198/0x2c0 [ 324.564920][ T3109] ? __ia32_sys_read+0x90/0x90 [ 324.569669][ T3109] ? debug_smp_processor_id+0x17/0x20 [ 324.575032][ T3109] __x64_sys_write+0x7b/0x90 [ 324.579607][ T3109] do_syscall_64+0x34/0x70 [ 324.584008][ T3109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 324.589880][ T3109] RIP: 0033:0x7f85191c4049 [ 324.594292][ T3109] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 324.613976][ T3109] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 324.622710][ T3109] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 324.631016][ T3109] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 324.639066][ T3109] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 324.647221][ T3109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 324.655318][ T3109] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 324.663306][ T3104] CPU: 1 PID: 3104 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 324.666245][ T3106] FAULT_INJECTION: forcing a failure. [ 324.666245][ T3106] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 324.673898][ T3104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 324.673903][ T3104] Call Trace: [ 324.673924][ T3104] dump_stack_lvl+0x1e2/0x24b [ 324.673935][ T3104] ? bfq_pos_tree_add_move+0x43e/0x43e [ 324.673945][ T3104] ? vsnprintf+0x1fa/0x1cd0 [ 324.673963][ T3104] dump_stack+0x15/0x17 [ 324.722758][ T3104] should_fail+0x3c0/0x510 [ 324.727599][ T3104] should_fail_usercopy+0x1a/0x20 [ 324.733221][ T3104] _copy_from_user+0x20/0xd0 [ 324.737796][ T3104] kstrtouint_from_user+0xd7/0x2b0 [ 324.743087][ T3104] ? kstrtol_from_user+0x310/0x310 [ 324.748189][ T3104] ? snprintf+0xd6/0x120 [ 324.752507][ T3104] ? avc_policy_seqno+0x1b/0x70 [ 324.757357][ T3104] ? selinux_file_permission+0x2a9/0x520 [ 324.763317][ T3104] proc_fail_nth_write+0xa5/0x290 [ 324.768514][ T3104] ? security_file_permission+0x9d/0xc0 [ 324.774072][ T3104] ? proc_fail_nth_read+0x220/0x220 [ 324.779258][ T3104] ? security_file_permission+0xa8/0xc0 [ 324.785508][ T3104] ? rw_verify_area+0x1c2/0x360 [ 324.790864][ T3104] ? proc_fail_nth_read+0x220/0x220 [ 324.796157][ T3104] vfs_write+0x39b/0xf80 [ 324.800569][ T3104] ? kernel_write+0x420/0x420 [ 324.805245][ T3104] ? __kasan_check_write+0x14/0x20 [ 324.810803][ T3104] ? mutex_lock+0xb2/0x1e0 [ 324.815399][ T3104] ? mutex_trylock+0x180/0x180 [ 324.820335][ T3104] ? __fdget_pos+0x26d/0x310 [ 324.825008][ T3104] ? ksys_write+0x77/0x2c0 [ 324.829732][ T3104] ksys_write+0x198/0x2c0 [ 324.834355][ T3104] ? __kasan_check_write+0x14/0x20 [ 324.839617][ T3104] ? __ia32_sys_read+0x90/0x90 [ 324.845848][ T3104] ? debug_smp_processor_id+0x17/0x20 [ 324.851218][ T3104] __x64_sys_write+0x7b/0x90 [ 324.855805][ T3104] do_syscall_64+0x34/0x70 [ 324.860320][ T3104] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 324.866726][ T3104] RIP: 0033:0x7f6ebe0d0b5f [ 324.871571][ T3104] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 324.891790][ T3104] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 324.900647][ T3104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 324.908832][ T3104] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 324.916901][ T3104] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 324.925060][ T3104] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 324.933193][ T3104] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 324.941775][ T3106] CPU: 0 PID: 3106 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 324.942025][ T3111] FAULT_INJECTION: forcing a failure. [ 324.942025][ T3111] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 324.953094][ T3106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 324.953099][ T3106] Call Trace: [ 324.953121][ T3106] dump_stack_lvl+0x1e2/0x24b [ 324.953131][ T3106] ? bfq_pos_tree_add_move+0x43e/0x43e [ 324.953140][ T3106] ? vsnprintf+0x1fa/0x1cd0 [ 324.953149][ T3106] dump_stack+0x15/0x17 [ 324.953158][ T3106] should_fail+0x3c0/0x510 [ 324.953166][ T3106] should_fail_usercopy+0x1a/0x20 [ 324.953176][ T3106] _copy_from_user+0x20/0xd0 [ 324.953186][ T3106] kstrtouint_from_user+0xd7/0x2b0 [ 324.953196][ T3106] ? kstrtol_from_user+0x310/0x310 [ 324.953212][ T3106] ? snprintf+0xd6/0x120 [ 324.953223][ T3106] ? avc_policy_seqno+0x1b/0x70 [ 324.953242][ T3106] ? selinux_file_permission+0x2a9/0x520 [ 324.972282][ T3113] FAULT_INJECTION: forcing a failure. [ 324.972282][ T3113] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 324.978123][ T3106] proc_fail_nth_write+0xa5/0x290 [ 324.978134][ T3106] ? security_file_permission+0x9d/0xc0 [ 324.978142][ T3106] ? proc_fail_nth_read+0x220/0x220 [ 324.978150][ T3106] ? security_file_permission+0xa8/0xc0 [ 324.978160][ T3106] ? rw_verify_area+0x1c2/0x360 [ 324.978168][ T3106] ? proc_fail_nth_read+0x220/0x220 [ 324.978183][ T3106] vfs_write+0x39b/0xf80 [ 324.978194][ T3106] ? kernel_write+0x420/0x420 [ 324.978204][ T3106] ? __kasan_check_write+0x14/0x20 [ 324.978222][ T3106] ? mutex_lock+0xb2/0x1e0 [ 325.105251][ T3106] ? mutex_trylock+0x180/0x180 [ 325.110106][ T3106] ? __fdget_pos+0x26d/0x310 [ 325.114688][ T3106] ? ksys_write+0x77/0x2c0 [ 325.119176][ T3106] ksys_write+0x198/0x2c0 [ 325.123580][ T3106] ? __kasan_check_write+0x14/0x20 [ 325.129383][ T3106] ? __ia32_sys_read+0x90/0x90 [ 325.134131][ T3106] ? debug_smp_processor_id+0x17/0x20 [ 325.139776][ T3106] __x64_sys_write+0x7b/0x90 [ 325.144700][ T3106] do_syscall_64+0x34/0x70 [ 325.149293][ T3106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 325.155261][ T3106] RIP: 0033:0x7faa22393b5f [ 325.160464][ T3106] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 325.181198][ T3106] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 325.189601][ T3106] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 325.197727][ T3106] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 325.205956][ T3106] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 325.214634][ T3106] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 325.222829][ T3106] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 325.231181][ T3111] CPU: 1 PID: 3111 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 325.233235][ T3114] FAULT_INJECTION: forcing a failure. [ 325.233235][ T3114] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 325.241501][ T3111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 325.241506][ T3111] Call Trace: [ 325.241523][ T3111] dump_stack_lvl+0x1e2/0x24b [ 325.241534][ T3111] ? bfq_pos_tree_add_move+0x43e/0x43e [ 325.241544][ T3111] ? vsnprintf+0x1fa/0x1cd0 [ 325.241555][ T3111] dump_stack+0x15/0x17 [ 325.241564][ T3111] should_fail+0x3c0/0x510 [ 325.241574][ T3111] should_fail_usercopy+0x1a/0x20 [ 325.241584][ T3111] _copy_from_user+0x20/0xd0 [ 325.241594][ T3111] kstrtouint_from_user+0xd7/0x2b0 [ 325.241603][ T3111] ? kstrtol_from_user+0x310/0x310 [ 325.241620][ T3111] ? snprintf+0xd6/0x120 [ 325.316887][ T3111] ? avc_policy_seqno+0x1b/0x70 [ 325.321939][ T3111] ? selinux_file_permission+0x2a9/0x520 [ 325.327683][ T3111] proc_fail_nth_write+0xa5/0x290 [ 325.332775][ T3111] ? security_file_permission+0x9d/0xc0 [ 325.338330][ T3111] ? proc_fail_nth_read+0x220/0x220 [ 325.343683][ T3111] ? security_file_permission+0xa8/0xc0 [ 325.349921][ T3111] ? rw_verify_area+0x1c2/0x360 [ 325.355106][ T3111] ? proc_fail_nth_read+0x220/0x220 [ 325.360301][ T3111] vfs_write+0x39b/0xf80 [ 325.364610][ T3111] ? kernel_write+0x420/0x420 [ 325.369265][ T3111] ? __kasan_check_write+0x14/0x20 [ 325.374544][ T3111] ? mutex_lock+0xb2/0x1e0 [ 325.379059][ T3111] ? mutex_trylock+0x180/0x180 [ 325.383892][ T3111] ? __fdget_pos+0x26d/0x310 [ 325.388566][ T3111] ? ksys_write+0x77/0x2c0 [ 325.393236][ T3111] ksys_write+0x198/0x2c0 [ 325.397543][ T3111] ? __kasan_check_write+0x14/0x20 [ 325.402722][ T3111] ? __ia32_sys_read+0x90/0x90 [ 325.407552][ T3111] ? debug_smp_processor_id+0x17/0x20 [ 325.412991][ T3111] __x64_sys_write+0x7b/0x90 [ 325.417559][ T3111] do_syscall_64+0x34/0x70 [ 325.422043][ T3111] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 325.427916][ T3111] RIP: 0033:0x7f022ab05b5f [ 325.432413][ T3111] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 325.453427][ T3111] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 325.462364][ T3111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 325.470667][ T3111] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 325.478888][ T3111] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 325.487032][ T3111] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 325.495096][ T3111] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 325.503156][ T3114] CPU: 0 PID: 3114 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 325.514355][ T3114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 325.524920][ T3114] Call Trace: [ 325.528950][ T3114] dump_stack_lvl+0x1e2/0x24b [ 325.534431][ T3114] ? bfq_pos_tree_add_move+0x43e/0x43e [ 325.540787][ T3114] ? vsnprintf+0x1fa/0x1cd0 [ 325.545488][ T3114] dump_stack+0x15/0x17 [ 325.550154][ T3114] should_fail+0x3c0/0x510 [ 325.554926][ T3114] should_fail_usercopy+0x1a/0x20 [ 325.560039][ T3114] _copy_from_user+0x20/0xd0 [ 325.565567][ T3114] kstrtouint_from_user+0xd7/0x2b0 [ 325.571198][ T3114] ? kstrtol_from_user+0x310/0x310 [ 325.576303][ T3114] ? snprintf+0xd6/0x120 [ 325.580535][ T3114] ? avc_policy_seqno+0x1b/0x70 [ 325.585468][ T3114] ? selinux_file_permission+0x2a9/0x520 [ 325.591246][ T3114] proc_fail_nth_write+0xa5/0x290 [ 325.596247][ T3114] ? security_file_permission+0x9d/0xc0 [ 325.601789][ T3114] ? proc_fail_nth_read+0x220/0x220 [ 325.607068][ T3114] ? security_file_permission+0xa8/0xc0 [ 325.613195][ T3114] ? rw_verify_area+0x1c2/0x360 [ 325.618115][ T3114] ? proc_fail_nth_read+0x220/0x220 [ 325.623393][ T3114] vfs_write+0x39b/0xf80 [ 325.627800][ T3114] ? kernel_write+0x420/0x420 [ 325.632464][ T3114] ? __kasan_check_write+0x14/0x20 [ 325.637636][ T3114] ? mutex_lock+0xb2/0x1e0 [ 325.642222][ T3114] ? mutex_trylock+0x180/0x180 [ 325.647049][ T3114] ? __fdget_pos+0x26d/0x310 [ 325.651613][ T3114] ? ksys_write+0x77/0x2c0 [ 325.656167][ T3114] ksys_write+0x198/0x2c0 [ 325.660475][ T3114] ? __kasan_check_write+0x14/0x20 [ 325.665833][ T3114] ? __ia32_sys_read+0x90/0x90 [ 325.670592][ T3114] ? debug_smp_processor_id+0x17/0x20 [ 325.676050][ T3114] __x64_sys_write+0x7b/0x90 [ 325.680627][ T3114] do_syscall_64+0x34/0x70 [ 325.685029][ T3114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 325.691231][ T3114] RIP: 0033:0x7f869ba6eb5f [ 325.695724][ T3114] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 325.716466][ T3114] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 325.725243][ T3114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 325.733198][ T3114] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 325.741241][ T3114] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 325.749477][ T3114] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 325.757982][ T3114] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 325.767027][ T3113] CPU: 0 PID: 3113 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 325.768072][ T3116] FAULT_INJECTION: forcing a failure. [ 325.768072][ T3116] name failslab, interval 1, probability 0, space 0, times 0 [ 325.777620][ T3113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 325.777625][ T3113] Call Trace: [ 325.777645][ T3113] dump_stack_lvl+0x1e2/0x24b [ 325.777656][ T3113] ? bfq_pos_tree_add_move+0x43e/0x43e [ 325.777666][ T3113] ? vsnprintf+0x1fa/0x1cd0 [ 325.777676][ T3113] dump_stack+0x15/0x17 [ 325.777684][ T3113] should_fail+0x3c0/0x510 [ 325.777694][ T3113] should_fail_usercopy+0x1a/0x20 [ 325.777704][ T3113] _copy_from_user+0x20/0xd0 [ 325.777715][ T3113] kstrtouint_from_user+0xd7/0x2b0 [ 325.777725][ T3113] ? kstrtol_from_user+0x310/0x310 [ 325.777733][ T3113] ? snprintf+0xd6/0x120 [ 325.777754][ T3113] ? avc_policy_seqno+0x1b/0x70 [ 325.860182][ T3113] ? selinux_file_permission+0x2a9/0x520 [ 325.866810][ T3113] proc_fail_nth_write+0xa5/0x290 [ 325.873147][ T3113] ? security_file_permission+0x9d/0xc0 [ 325.878864][ T3113] ? proc_fail_nth_read+0x220/0x220 [ 325.884045][ T3113] ? security_file_permission+0xa8/0xc0 [ 325.889756][ T3113] ? rw_verify_area+0x1c2/0x360 [ 325.894599][ T3113] ? proc_fail_nth_read+0x220/0x220 [ 325.899880][ T3113] vfs_write+0x39b/0xf80 [ 325.904127][ T3113] ? kernel_write+0x420/0x420 [ 325.908878][ T3113] ? __kasan_check_write+0x14/0x20 [ 325.914344][ T3113] ? mutex_lock+0xb2/0x1e0 [ 325.919012][ T3113] ? mutex_trylock+0x180/0x180 [ 325.923756][ T3113] ? __fdget_pos+0x26d/0x310 [ 325.928345][ T3113] ? ksys_write+0x77/0x2c0 [ 325.932739][ T3113] ksys_write+0x198/0x2c0 [ 325.937055][ T3113] ? __kasan_check_write+0x14/0x20 [ 325.942277][ T3113] ? __ia32_sys_read+0x90/0x90 [ 325.947039][ T3113] ? debug_smp_processor_id+0x17/0x20 [ 325.952498][ T3113] __x64_sys_write+0x7b/0x90 [ 325.957254][ T3113] do_syscall_64+0x34/0x70 [ 325.961737][ T3113] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 325.967782][ T3113] RIP: 0033:0x7f7d1c31ab5f [ 325.972540][ T3113] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 325.992648][ T3113] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 326.001262][ T3113] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 326.009612][ T3113] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 326.017917][ T3113] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 326.026714][ T3113] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 326.035220][ T3113] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 326.043633][ T3116] CPU: 1 PID: 3116 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 326.054214][ T3116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 326.064437][ T3116] Call Trace: [ 326.067809][ T3116] dump_stack_lvl+0x1e2/0x24b [ 326.072773][ T3116] ? panic+0x7d7/0x7d7 [ 326.077190][ T3116] ? bfq_pos_tree_add_move+0x43e/0x43e [ 326.082719][ T3116] ? find_next_bit+0xd6/0x120 [ 326.087378][ T3116] ? cpumask_next+0x11/0x30 [ 326.092105][ T3116] dump_stack+0x15/0x17 [ 326.096547][ T3116] should_fail+0x3c0/0x510 [ 326.100990][ T3116] ? percpu_ref_init+0xd0/0x340 [ 326.105914][ T3116] __should_failslab+0x9f/0xe0 [ 326.110678][ T3116] should_failslab+0x9/0x20 [ 326.115255][ T3116] kmem_cache_alloc_trace+0x3a/0x330 [ 326.120830][ T3116] percpu_ref_init+0xd0/0x340 [ 326.126040][ T3116] ? cgroup_setup_root+0xea0/0xea0 [ 326.131431][ T3116] cgroup_apply_control_enable+0x3a2/0x12f0 [ 326.137394][ T3116] ? cgroup_reconfigure+0xe0/0xe0 [ 326.142570][ T3116] cgroup_apply_control+0x8e/0x7e0 [ 326.148682][ T3116] ? css_next_child+0x160/0x160 [ 326.153516][ T3116] ? io_schedule+0x120/0x120 [ 326.158345][ T3116] ? kernfs_fop_write_iter+0x15e/0x410 [ 326.163971][ T3116] ? __kasan_check_write+0x14/0x20 [ 326.169235][ T3116] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 326.174687][ T3116] cgroup_subtree_control_write+0xd19/0x1310 [ 326.180726][ T3116] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 326.186832][ T3116] ? __kasan_check_write+0x14/0x20 [ 326.192640][ T3116] ? _copy_from_iter+0x3fb/0xd60 [ 326.197567][ T3116] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 326.203871][ T3116] cgroup_file_write+0x28e/0x590 [ 326.208963][ T3116] ? cgroup_seqfile_stop+0xc0/0xc0 [ 326.214342][ T3116] ? mutex_trylock+0x180/0x180 [ 326.219101][ T3116] ? __kasan_check_write+0x14/0x20 [ 326.224268][ T3116] kernfs_fop_write_iter+0x2d0/0x410 [ 326.229891][ T3116] ? cgroup_seqfile_stop+0xc0/0xc0 [ 326.235162][ T3116] vfs_write+0xc4a/0xf80 [ 326.239678][ T3116] ? kernel_write+0x420/0x420 [ 326.244457][ T3116] ? mutex_lock+0xb2/0x1e0 [ 326.249383][ T3116] ? mutex_trylock+0x180/0x180 [ 326.254453][ T3116] ? __fdget_pos+0x26d/0x310 [ 326.259132][ T3116] ? ksys_write+0x77/0x2c0 [ 326.263542][ T3116] ksys_write+0x198/0x2c0 [ 326.267877][ T3116] ? __ia32_sys_read+0x90/0x90 [ 326.273432][ T3116] ? debug_smp_processor_id+0x17/0x20 [ 326.278896][ T3116] __x64_sys_write+0x7b/0x90 [ 326.283753][ T3116] do_syscall_64+0x34/0x70 [ 326.288150][ T3116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 326.294038][ T3116] RIP: 0033:0x7f85191c4049 [ 326.298607][ T3116] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 326.319504][ T3116] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 326.328142][ T3116] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 326.336283][ T3116] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 326.344435][ T3116] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 326.352493][ T3116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 326.360942][ T3116] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 326.370050][ T3120] FAULT_INJECTION: forcing a failure. [ 326.370050][ T3120] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 326.378344][ T3124] FAULT_INJECTION: forcing a failure. [ 326.378344][ T3124] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 326.383467][ T3121] FAULT_INJECTION: forcing a failure. [ 326.383467][ T3121] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 326.406866][ T3126] FAULT_INJECTION: forcing a failure. [ 326.406866][ T3126] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 326.424143][ T3127] FAULT_INJECTION: forcing a failure. [ 326.424143][ T3127] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 326.427412][ T3120] CPU: 0 PID: 3120 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 326.447975][ T3120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 326.458297][ T3120] Call Trace: [ 326.461691][ T3120] dump_stack_lvl+0x1e2/0x24b [ 326.466526][ T3120] ? bfq_pos_tree_add_move+0x43e/0x43e [ 326.472143][ T3120] ? vsnprintf+0x1fa/0x1cd0 [ 326.476908][ T3120] dump_stack+0x15/0x17 [ 326.481085][ T3120] should_fail+0x3c0/0x510 [ 326.485581][ T3120] should_fail_usercopy+0x1a/0x20 [ 326.490872][ T3120] _copy_from_user+0x20/0xd0 [ 326.495500][ T3120] kstrtouint_from_user+0xd7/0x2b0 [ 326.501225][ T3120] ? kstrtol_from_user+0x310/0x310 [ 326.506330][ T3120] ? snprintf+0xd6/0x120 [ 326.510566][ T3120] ? avc_policy_seqno+0x1b/0x70 [ 326.515496][ T3120] ? selinux_file_permission+0x2a9/0x520 [ 326.521111][ T3120] proc_fail_nth_write+0xa5/0x290 [ 326.526911][ T3120] ? security_file_permission+0x9d/0xc0 [ 326.533581][ T3120] ? proc_fail_nth_read+0x220/0x220 [ 326.539505][ T3120] ? security_file_permission+0xa8/0xc0 [ 326.545421][ T3120] ? rw_verify_area+0x1c2/0x360 [ 326.550810][ T3120] ? proc_fail_nth_read+0x220/0x220 [ 326.556094][ T3120] vfs_write+0x39b/0xf80 [ 326.560593][ T3120] ? kernel_write+0x420/0x420 [ 326.565569][ T3120] ? __kasan_check_write+0x14/0x20 [ 326.570754][ T3120] ? mutex_lock+0xb2/0x1e0 [ 326.575520][ T3120] ? mutex_trylock+0x180/0x180 [ 326.580495][ T3120] ? __fdget_pos+0x26d/0x310 [ 326.585596][ T3120] ? ksys_write+0x77/0x2c0 [ 326.590268][ T3120] ksys_write+0x198/0x2c0 [ 326.595209][ T3120] ? __kasan_check_write+0x14/0x20 [ 326.600354][ T3120] ? __ia32_sys_read+0x90/0x90 [ 326.605127][ T3120] ? debug_smp_processor_id+0x17/0x20 [ 326.610719][ T3120] __x64_sys_write+0x7b/0x90 [ 326.615407][ T3120] do_syscall_64+0x34/0x70 [ 326.619961][ T3120] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 326.626674][ T3120] RIP: 0033:0x7f7d1c31ab5f [ 326.631304][ T3120] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 326.660471][ T3120] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 326.670202][ T3120] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 326.678513][ T3120] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 326.686907][ T3120] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 326.695039][ T3120] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 326.704860][ T3120] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 326.713212][ T3126] CPU: 1 PID: 3126 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 326.716271][ T3129] FAULT_INJECTION: forcing a failure. [ 326.716271][ T3129] name failslab, interval 1, probability 0, space 0, times 0 [ 326.724844][ T3126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 326.724848][ T3126] Call Trace: [ 326.724867][ T3126] dump_stack_lvl+0x1e2/0x24b [ 326.724886][ T3126] ? bfq_pos_tree_add_move+0x43e/0x43e [ 326.762333][ T3126] ? vsnprintf+0x1fa/0x1cd0 [ 326.768334][ T3126] dump_stack+0x15/0x17 [ 326.772570][ T3126] should_fail+0x3c0/0x510 [ 326.777010][ T3126] should_fail_usercopy+0x1a/0x20 [ 326.782303][ T3126] _copy_from_user+0x20/0xd0 [ 326.786978][ T3126] kstrtouint_from_user+0xd7/0x2b0 [ 326.792761][ T3126] ? kstrtol_from_user+0x310/0x310 [ 326.798060][ T3126] ? snprintf+0xd6/0x120 [ 326.802486][ T3126] ? avc_policy_seqno+0x1b/0x70 [ 326.807335][ T3126] ? selinux_file_permission+0x2a9/0x520 [ 326.812964][ T3126] proc_fail_nth_write+0xa5/0x290 [ 326.818152][ T3126] ? security_file_permission+0x9d/0xc0 [ 326.823697][ T3126] ? proc_fail_nth_read+0x220/0x220 [ 326.829100][ T3126] ? security_file_permission+0xa8/0xc0 [ 326.834635][ T3126] ? rw_verify_area+0x1c2/0x360 [ 326.839858][ T3126] ? proc_fail_nth_read+0x220/0x220 [ 326.845919][ T3126] vfs_write+0x39b/0xf80 [ 326.851074][ T3126] ? kernel_write+0x420/0x420 [ 326.856001][ T3126] ? __kasan_check_write+0x14/0x20 [ 326.861746][ T3126] ? mutex_lock+0xb2/0x1e0 [ 326.866475][ T3126] ? mutex_trylock+0x180/0x180 [ 326.871248][ T3126] ? __fdget_pos+0x26d/0x310 [ 326.875824][ T3126] ? ksys_write+0x77/0x2c0 [ 326.880363][ T3126] ksys_write+0x198/0x2c0 [ 326.885107][ T3126] ? __ia32_sys_read+0x90/0x90 [ 326.889912][ T3126] ? debug_smp_processor_id+0x17/0x20 [ 326.895292][ T3126] __x64_sys_write+0x7b/0x90 [ 326.899892][ T3126] do_syscall_64+0x34/0x70 [ 326.904408][ T3126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 326.910472][ T3126] RIP: 0033:0x7f6ebe0d0b5f [ 326.914931][ T3126] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 326.936074][ T3126] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 326.944688][ T3126] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 326.952949][ T3126] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 326.961288][ T3126] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 326.969926][ T3126] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 326.978329][ T3126] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 326.986496][ T3129] CPU: 0 PID: 3129 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 326.997300][ T3129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 327.007435][ T3129] Call Trace: [ 327.010801][ T3129] dump_stack_lvl+0x1e2/0x24b [ 327.015637][ T3129] ? panic+0x7d7/0x7d7 [ 327.019691][ T3129] ? bfq_pos_tree_add_move+0x43e/0x43e [ 327.025233][ T3129] ? find_next_bit+0xd6/0x120 [ 327.029991][ T3129] ? cpumask_next+0x11/0x30 [ 327.034653][ T3129] dump_stack+0x15/0x17 [ 327.038802][ T3129] should_fail+0x3c0/0x510 [ 327.043289][ T3129] ? percpu_ref_init+0xd0/0x340 [ 327.048209][ T3129] __should_failslab+0x9f/0xe0 [ 327.052963][ T3129] should_failslab+0x9/0x20 [ 327.057537][ T3129] kmem_cache_alloc_trace+0x3a/0x330 [ 327.062891][ T3129] percpu_ref_init+0xd0/0x340 [ 327.067730][ T3129] ? cgroup_setup_root+0xea0/0xea0 [ 327.072923][ T3129] cgroup_apply_control_enable+0x3a2/0x12f0 [ 327.078912][ T3129] ? cgroup_reconfigure+0xe0/0xe0 [ 327.084103][ T3129] cgroup_apply_control+0x8e/0x7e0 [ 327.089406][ T3129] ? css_next_child+0x160/0x160 [ 327.094645][ T3129] ? io_schedule+0x120/0x120 [ 327.099329][ T3129] ? kernfs_fop_write_iter+0x15e/0x410 [ 327.104800][ T3129] ? __kasan_check_write+0x14/0x20 [ 327.109912][ T3129] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 327.115403][ T3129] cgroup_subtree_control_write+0xd19/0x1310 [ 327.121514][ T3129] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 327.127585][ T3129] ? __kasan_check_write+0x14/0x20 [ 327.132681][ T3129] ? _copy_from_iter+0x3fb/0xd60 [ 327.137793][ T3129] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 327.144008][ T3129] cgroup_file_write+0x28e/0x590 [ 327.149125][ T3129] ? cgroup_seqfile_stop+0xc0/0xc0 [ 327.154321][ T3129] ? mutex_trylock+0x180/0x180 [ 327.159243][ T3129] ? __kasan_check_write+0x14/0x20 [ 327.164744][ T3129] kernfs_fop_write_iter+0x2d0/0x410 [ 327.170219][ T3129] ? cgroup_seqfile_stop+0xc0/0xc0 [ 327.175478][ T3129] vfs_write+0xc4a/0xf80 [ 327.179822][ T3129] ? kernel_write+0x420/0x420 [ 327.184573][ T3129] ? mutex_lock+0xb2/0x1e0 [ 327.188987][ T3129] ? mutex_trylock+0x180/0x180 [ 327.193839][ T3129] ? __fdget_pos+0x26d/0x310 [ 327.198603][ T3129] ? ksys_write+0x77/0x2c0 [ 327.203529][ T3129] ksys_write+0x198/0x2c0 [ 327.207932][ T3129] ? __ia32_sys_read+0x90/0x90 [ 327.212682][ T3129] ? debug_smp_processor_id+0x17/0x20 [ 327.218130][ T3129] __x64_sys_write+0x7b/0x90 [ 327.222833][ T3129] do_syscall_64+0x34/0x70 [ 327.227467][ T3129] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 327.234060][ T3129] RIP: 0033:0x7f85191c4049 [ 327.238467][ T3129] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 327.259343][ T3129] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 327.268010][ T3129] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 327.275969][ T3129] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 327.283933][ T3129] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 327.292064][ T3129] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 327.300295][ T3129] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 327.308332][ T3127] CPU: 1 PID: 3127 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 327.318820][ T3127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 327.328875][ T3127] Call Trace: [ 327.332172][ T3127] dump_stack_lvl+0x1e2/0x24b [ 327.336854][ T3127] ? bfq_pos_tree_add_move+0x43e/0x43e [ 327.344114][ T3127] ? vsnprintf+0x1fa/0x1cd0 [ 327.348701][ T3127] dump_stack+0x15/0x17 [ 327.352944][ T3127] should_fail+0x3c0/0x510 [ 327.357456][ T3127] should_fail_usercopy+0x1a/0x20 [ 327.362541][ T3127] _copy_from_user+0x20/0xd0 [ 327.367196][ T3127] kstrtouint_from_user+0xd7/0x2b0 [ 327.372471][ T3127] ? kstrtol_from_user+0x310/0x310 [ 327.377644][ T3127] ? snprintf+0xd6/0x120 [ 327.381863][ T3127] ? avc_policy_seqno+0x1b/0x70 [ 327.386687][ T3127] ? selinux_file_permission+0x2a9/0x520 [ 327.392338][ T3127] proc_fail_nth_write+0xa5/0x290 [ 327.397347][ T3127] ? security_file_permission+0x9d/0xc0 [ 327.403046][ T3127] ? proc_fail_nth_read+0x220/0x220 [ 327.408566][ T3127] ? security_file_permission+0xa8/0xc0 [ 327.414196][ T3127] ? rw_verify_area+0x1c2/0x360 [ 327.419215][ T3127] ? proc_fail_nth_read+0x220/0x220 [ 327.424588][ T3127] vfs_write+0x39b/0xf80 [ 327.428816][ T3127] ? kernel_write+0x420/0x420 [ 327.433652][ T3127] ? __kasan_check_write+0x14/0x20 [ 327.438826][ T3127] ? mutex_lock+0xb2/0x1e0 [ 327.443411][ T3127] ? mutex_trylock+0x180/0x180 [ 327.448180][ T3127] ? __fdget_pos+0x26d/0x310 [ 327.453188][ T3127] ? ksys_write+0x77/0x2c0 [ 327.457676][ T3127] ksys_write+0x198/0x2c0 [ 327.462022][ T3127] ? __ia32_sys_read+0x90/0x90 [ 327.466972][ T3127] ? debug_smp_processor_id+0x17/0x20 [ 327.472875][ T3127] __x64_sys_write+0x7b/0x90 [ 327.477947][ T3127] do_syscall_64+0x34/0x70 [ 327.482529][ T3127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 327.488571][ T3127] RIP: 0033:0x7f869ba6eb5f [ 327.492975][ T3127] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 327.512669][ T3127] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 327.521768][ T3127] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 327.530043][ T3127] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 327.537995][ T3127] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 327.546162][ T3127] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 327.554285][ T3127] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 327.563369][ T3124] CPU: 0 PID: 3124 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 327.574238][ T3124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 327.584483][ T3124] Call Trace: [ 327.587769][ T3124] dump_stack_lvl+0x1e2/0x24b [ 327.592604][ T3124] ? bfq_pos_tree_add_move+0x43e/0x43e [ 327.598697][ T3124] ? vsnprintf+0x1fa/0x1cd0 [ 327.603300][ T3124] dump_stack+0x15/0x17 [ 327.607530][ T3124] should_fail+0x3c0/0x510 [ 327.611931][ T3124] should_fail_usercopy+0x1a/0x20 [ 327.617122][ T3124] _copy_from_user+0x20/0xd0 [ 327.621787][ T3124] kstrtouint_from_user+0xd7/0x2b0 [ 327.627082][ T3124] ? kstrtol_from_user+0x310/0x310 [ 327.632200][ T3124] ? snprintf+0xd6/0x120 [ 327.636578][ T3124] ? avc_policy_seqno+0x1b/0x70 [ 327.641500][ T3124] ? selinux_file_permission+0x2a9/0x520 [ 327.647123][ T3124] proc_fail_nth_write+0xa5/0x290 [ 327.652134][ T3124] ? security_file_permission+0x9d/0xc0 [ 327.657858][ T3124] ? proc_fail_nth_read+0x220/0x220 [ 327.663041][ T3124] ? security_file_permission+0xa8/0xc0 2022/08/30 17:01:08 executed programs: 1220 [ 327.668658][ T3124] ? rw_verify_area+0x1c2/0x360 [ 327.673759][ T3124] ? proc_fail_nth_read+0x220/0x220 [ 327.678962][ T3124] vfs_write+0x39b/0xf80 [ 327.683284][ T3124] ? kernel_write+0x420/0x420 [ 327.688332][ T3124] ? __kasan_check_write+0x14/0x20 [ 327.693455][ T3124] ? mutex_lock+0xb2/0x1e0 [ 327.697893][ T3124] ? mutex_trylock+0x180/0x180 [ 327.702726][ T3124] ? __fdget_pos+0x26d/0x310 [ 327.707318][ T3124] ? ksys_write+0x77/0x2c0 [ 327.712086][ T3124] ksys_write+0x198/0x2c0 [ 327.716450][ T3124] ? __ia32_sys_read+0x90/0x90 [ 327.721287][ T3124] ? debug_smp_processor_id+0x17/0x20 [ 327.726744][ T3124] __x64_sys_write+0x7b/0x90 [ 327.731418][ T3124] do_syscall_64+0x34/0x70 [ 327.735994][ T3124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 327.741966][ T3124] RIP: 0033:0x7faa22393b5f [ 327.746700][ T3124] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 327.757745][ T3133] FAULT_INJECTION: forcing a failure. [ 327.757745][ T3133] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 327.766927][ T3124] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 327.766940][ T3124] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 327.766946][ T3124] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 327.766952][ T3124] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 327.766957][ T3124] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 327.766963][ T3124] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 327.770491][ T3134] FAULT_INJECTION: forcing a failure. [ 327.770491][ T3134] name failslab, interval 1, probability 0, space 0, times 0 [ 327.780725][ T3121] CPU: 1 PID: 3121 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 327.854366][ T3121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 327.864869][ T3121] Call Trace: [ 327.868880][ T3121] dump_stack_lvl+0x1e2/0x24b [ 327.873896][ T3121] ? bfq_pos_tree_add_move+0x43e/0x43e [ 327.879670][ T3121] ? vsnprintf+0x1fa/0x1cd0 [ 327.884305][ T3121] dump_stack+0x15/0x17 [ 327.888631][ T3121] should_fail+0x3c0/0x510 [ 327.893030][ T3121] should_fail_usercopy+0x1a/0x20 [ 327.898292][ T3121] _copy_from_user+0x20/0xd0 [ 327.902883][ T3121] kstrtouint_from_user+0xd7/0x2b0 [ 327.908096][ T3121] ? kstrtol_from_user+0x310/0x310 [ 327.913369][ T3121] ? snprintf+0xd6/0x120 [ 327.917692][ T3121] ? avc_policy_seqno+0x1b/0x70 [ 327.922527][ T3121] ? selinux_file_permission+0x2a9/0x520 [ 327.928321][ T3121] proc_fail_nth_write+0xa5/0x290 [ 327.933331][ T3121] ? security_file_permission+0x9d/0xc0 [ 327.938855][ T3121] ? proc_fail_nth_read+0x220/0x220 [ 327.944144][ T3121] ? security_file_permission+0xa8/0xc0 [ 327.949670][ T3121] ? rw_verify_area+0x1c2/0x360 [ 327.954516][ T3121] ? proc_fail_nth_read+0x220/0x220 [ 327.959694][ T3121] vfs_write+0x39b/0xf80 [ 327.963947][ T3121] ? kernel_write+0x420/0x420 [ 327.968702][ T3121] ? __kasan_check_write+0x14/0x20 [ 327.973971][ T3121] ? mutex_lock+0xb2/0x1e0 [ 327.978375][ T3121] ? mutex_trylock+0x180/0x180 [ 327.983764][ T3121] ? __fdget_pos+0x26d/0x310 [ 327.988428][ T3121] ? ksys_write+0x77/0x2c0 [ 327.992944][ T3121] ksys_write+0x198/0x2c0 [ 327.997365][ T3121] ? __kasan_check_write+0x14/0x20 [ 328.002568][ T3121] ? __ia32_sys_read+0x90/0x90 [ 328.007411][ T3121] ? debug_smp_processor_id+0x17/0x20 [ 328.012764][ T3121] __x64_sys_write+0x7b/0x90 [ 328.017354][ T3121] do_syscall_64+0x34/0x70 [ 328.021869][ T3121] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 328.028067][ T3121] RIP: 0033:0x7f022ab05b5f [ 328.032563][ T3121] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 328.052924][ T3121] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 328.061507][ T3121] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 328.069502][ T3121] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 328.078089][ T3121] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 328.086063][ T3121] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 328.094122][ T3121] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 328.102199][ T3134] CPU: 0 PID: 3134 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 328.112622][ T3134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 328.122683][ T3134] Call Trace: [ 328.126073][ T3134] dump_stack_lvl+0x1e2/0x24b [ 328.131120][ T3134] ? panic+0x7d7/0x7d7 [ 328.135261][ T3134] ? bfq_pos_tree_add_move+0x43e/0x43e [ 328.141434][ T3134] ? find_next_bit+0xd6/0x120 [ 328.147079][ T3134] ? cpumask_next+0x11/0x30 [ 328.151949][ T3134] dump_stack+0x15/0x17 [ 328.156110][ T3134] should_fail+0x3c0/0x510 [ 328.160646][ T3134] ? percpu_ref_init+0xd0/0x340 [ 328.165491][ T3134] __should_failslab+0x9f/0xe0 [ 328.170332][ T3134] should_failslab+0x9/0x20 [ 328.175099][ T3134] kmem_cache_alloc_trace+0x3a/0x330 [ 328.180383][ T3134] percpu_ref_init+0xd0/0x340 [ 328.185049][ T3134] ? cgroup_setup_root+0xea0/0xea0 [ 328.190271][ T3134] cgroup_apply_control_enable+0x3a2/0x12f0 [ 328.196506][ T3134] ? cgroup_reconfigure+0xe0/0xe0 [ 328.201888][ T3134] cgroup_apply_control+0x8e/0x7e0 [ 328.206992][ T3134] ? css_next_child+0x160/0x160 [ 328.211827][ T3134] ? io_schedule+0x120/0x120 [ 328.216898][ T3134] ? kernfs_fop_write_iter+0x15e/0x410 [ 328.222365][ T3134] ? __kasan_check_write+0x14/0x20 [ 328.227488][ T3134] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 328.232856][ T3134] cgroup_subtree_control_write+0xd19/0x1310 [ 328.238996][ T3134] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 328.245063][ T3134] ? __kasan_check_write+0x14/0x20 [ 328.250430][ T3134] ? _copy_from_iter+0x3fb/0xd60 [ 328.255373][ T3134] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 328.261520][ T3134] cgroup_file_write+0x28e/0x590 [ 328.266486][ T3134] ? cgroup_seqfile_stop+0xc0/0xc0 [ 328.271767][ T3134] ? mutex_trylock+0x180/0x180 [ 328.276781][ T3134] ? __kasan_check_write+0x14/0x20 [ 328.281909][ T3134] kernfs_fop_write_iter+0x2d0/0x410 [ 328.287227][ T3134] ? cgroup_seqfile_stop+0xc0/0xc0 [ 328.292689][ T3134] vfs_write+0xc4a/0xf80 [ 328.297453][ T3134] ? kernel_write+0x420/0x420 [ 328.302130][ T3134] ? mutex_lock+0xb2/0x1e0 [ 328.306549][ T3134] ? mutex_trylock+0x180/0x180 [ 328.311400][ T3134] ? __fdget_pos+0x26d/0x310 [ 328.316070][ T3134] ? ksys_write+0x77/0x2c0 [ 328.320480][ T3134] ksys_write+0x198/0x2c0 [ 328.325248][ T3134] ? __ia32_sys_read+0x90/0x90 [ 328.330817][ T3134] ? debug_smp_processor_id+0x17/0x20 [ 328.336193][ T3134] __x64_sys_write+0x7b/0x90 [ 328.340871][ T3134] do_syscall_64+0x34/0x70 [ 328.345600][ T3134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 328.351856][ T3134] RIP: 0033:0x7f85191c4049 [ 328.356438][ T3134] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 328.377775][ T3134] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 328.387530][ T3134] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 328.396402][ T3134] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 328.404812][ T3134] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 328.412988][ T3134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 328.420956][ T3134] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 328.429452][ T3133] CPU: 1 PID: 3133 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 328.439977][ T3133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 328.450422][ T3133] Call Trace: [ 328.453716][ T3133] dump_stack_lvl+0x1e2/0x24b [ 328.458381][ T3133] ? bfq_pos_tree_add_move+0x43e/0x43e [ 328.463824][ T3133] ? vsnprintf+0x1fa/0x1cd0 [ 328.468408][ T3133] dump_stack+0x15/0x17 [ 328.472727][ T3133] should_fail+0x3c0/0x510 [ 328.477466][ T3133] should_fail_usercopy+0x1a/0x20 [ 328.482468][ T3133] _copy_from_user+0x20/0xd0 [ 328.487050][ T3133] kstrtouint_from_user+0xd7/0x2b0 [ 328.492240][ T3133] ? kstrtol_from_user+0x310/0x310 [ 328.497338][ T3133] ? snprintf+0xd6/0x120 [ 328.501557][ T3133] ? avc_policy_seqno+0x1b/0x70 [ 328.506559][ T3133] ? selinux_file_permission+0x2a9/0x520 [ 328.512279][ T3133] proc_fail_nth_write+0xa5/0x290 [ 328.517367][ T3133] ? security_file_permission+0x9d/0xc0 [ 328.523001][ T3133] ? proc_fail_nth_read+0x220/0x220 [ 328.528286][ T3133] ? security_file_permission+0xa8/0xc0 [ 328.533964][ T3133] ? rw_verify_area+0x1c2/0x360 [ 328.538790][ T3133] ? proc_fail_nth_read+0x220/0x220 [ 328.544134][ T3133] vfs_write+0x39b/0xf80 [ 328.548443][ T3133] ? kernel_write+0x420/0x420 [ 328.553095][ T3133] ? __kasan_check_write+0x14/0x20 [ 328.558190][ T3133] ? mutex_lock+0xb2/0x1e0 [ 328.562665][ T3133] ? mutex_trylock+0x180/0x180 [ 328.567433][ T3133] ? __fdget_pos+0x26d/0x310 [ 328.572195][ T3133] ? ksys_write+0x77/0x2c0 [ 328.576605][ T3133] ksys_write+0x198/0x2c0 [ 328.581642][ T3133] ? __ia32_sys_read+0x90/0x90 [ 328.586400][ T3133] ? debug_smp_processor_id+0x17/0x20 [ 328.592911][ T3133] __x64_sys_write+0x7b/0x90 [ 328.597487][ T3133] do_syscall_64+0x34/0x70 [ 328.601883][ T3133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 328.607757][ T3133] RIP: 0033:0x7f7d1c31ab5f [ 328.612150][ T3133] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 328.632248][ T3133] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 328.640644][ T3133] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 328.648622][ T3133] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 328.656943][ T3133] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 328.664981][ T3133] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 328.672935][ T3133] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 328.681983][ T3143] FAULT_INJECTION: forcing a failure. [ 328.681983][ T3143] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 328.687241][ T3140] FAULT_INJECTION: forcing a failure. [ 328.687241][ T3140] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 328.696239][ T3141] FAULT_INJECTION: forcing a failure. [ 328.696239][ T3141] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 328.710464][ T3145] FAULT_INJECTION: forcing a failure. [ 328.710464][ T3145] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 328.730188][ T3143] CPU: 0 PID: 3143 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 328.746119][ T3143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 328.756339][ T3143] Call Trace: [ 328.759707][ T3143] dump_stack_lvl+0x1e2/0x24b [ 328.764364][ T3143] ? bfq_pos_tree_add_move+0x43e/0x43e [ 328.770422][ T3143] ? vsnprintf+0x1fa/0x1cd0 [ 328.775100][ T3143] dump_stack+0x15/0x17 [ 328.779240][ T3143] should_fail+0x3c0/0x510 [ 328.783666][ T3143] should_fail_usercopy+0x1a/0x20 [ 328.788674][ T3143] _copy_from_user+0x20/0xd0 [ 328.793347][ T3143] kstrtouint_from_user+0xd7/0x2b0 [ 328.798626][ T3143] ? kstrtol_from_user+0x310/0x310 [ 328.803751][ T3143] ? snprintf+0xd6/0x120 [ 328.807980][ T3143] ? avc_policy_seqno+0x1b/0x70 [ 328.812826][ T3143] ? selinux_file_permission+0x2a9/0x520 [ 328.818445][ T3143] proc_fail_nth_write+0xa5/0x290 [ 328.823561][ T3143] ? security_file_permission+0x9d/0xc0 [ 328.829264][ T3143] ? proc_fail_nth_read+0x220/0x220 [ 328.834643][ T3143] ? security_file_permission+0xa8/0xc0 [ 328.840374][ T3143] ? rw_verify_area+0x1c2/0x360 [ 328.845651][ T3143] ? proc_fail_nth_read+0x220/0x220 [ 328.850851][ T3143] vfs_write+0x39b/0xf80 [ 328.855356][ T3143] ? kernel_write+0x420/0x420 [ 328.860026][ T3143] ? __kasan_check_write+0x14/0x20 [ 328.865128][ T3143] ? mutex_lock+0xb2/0x1e0 [ 328.869547][ T3143] ? mutex_trylock+0x180/0x180 [ 328.874293][ T3143] ? __fdget_pos+0x26d/0x310 [ 328.878864][ T3143] ? ksys_write+0x77/0x2c0 [ 328.883487][ T3143] ksys_write+0x198/0x2c0 [ 328.888154][ T3143] ? __ia32_sys_read+0x90/0x90 [ 328.892938][ T3143] ? debug_smp_processor_id+0x17/0x20 [ 328.898415][ T3143] __x64_sys_write+0x7b/0x90 [ 328.903041][ T3143] do_syscall_64+0x34/0x70 [ 328.908421][ T3143] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 328.914298][ T3143] RIP: 0033:0x7f022ab05b5f [ 328.918705][ T3143] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 328.938599][ T3143] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 328.947118][ T3143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 328.956473][ T3143] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 328.964904][ T3143] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 328.973333][ T3143] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 328.981395][ T3143] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 328.989378][ T3141] CPU: 1 PID: 3141 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 328.992848][ T3148] FAULT_INJECTION: forcing a failure. [ 328.992848][ T3148] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 329.000652][ T3141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 329.000657][ T3141] Call Trace: [ 329.000677][ T3141] dump_stack_lvl+0x1e2/0x24b [ 329.000688][ T3141] ? bfq_pos_tree_add_move+0x43e/0x43e [ 329.000698][ T3141] ? vsnprintf+0x1fa/0x1cd0 [ 329.000707][ T3141] dump_stack+0x15/0x17 [ 329.000716][ T3141] should_fail+0x3c0/0x510 [ 329.000725][ T3141] should_fail_usercopy+0x1a/0x20 [ 329.000735][ T3141] _copy_from_user+0x20/0xd0 [ 329.000745][ T3141] kstrtouint_from_user+0xd7/0x2b0 [ 329.000755][ T3141] ? kstrtol_from_user+0x310/0x310 [ 329.000763][ T3141] ? snprintf+0xd6/0x120 [ 329.000776][ T3141] ? avc_policy_seqno+0x1b/0x70 [ 329.000785][ T3141] ? selinux_file_permission+0x2a9/0x520 [ 329.000794][ T3141] proc_fail_nth_write+0xa5/0x290 [ 329.000802][ T3141] ? security_file_permission+0x9d/0xc0 [ 329.000819][ T3141] ? proc_fail_nth_read+0x220/0x220 [ 329.106093][ T3141] ? security_file_permission+0xa8/0xc0 [ 329.114183][ T3141] ? rw_verify_area+0x1c2/0x360 [ 329.119528][ T3141] ? proc_fail_nth_read+0x220/0x220 [ 329.126438][ T3141] vfs_write+0x39b/0xf80 [ 329.130948][ T3141] ? kernel_write+0x420/0x420 [ 329.135713][ T3141] ? __kasan_check_write+0x14/0x20 [ 329.141026][ T3141] ? mutex_lock+0xb2/0x1e0 [ 329.145454][ T3141] ? mutex_trylock+0x180/0x180 [ 329.150382][ T3141] ? __fdget_pos+0x26d/0x310 [ 329.154965][ T3141] ? ksys_write+0x77/0x2c0 [ 329.159539][ T3141] ksys_write+0x198/0x2c0 [ 329.164631][ T3141] ? __kasan_check_write+0x14/0x20 [ 329.169759][ T3141] ? __ia32_sys_read+0x90/0x90 [ 329.175827][ T3141] ? debug_smp_processor_id+0x17/0x20 [ 329.181442][ T3141] __x64_sys_write+0x7b/0x90 [ 329.186558][ T3141] do_syscall_64+0x34/0x70 [ 329.191240][ T3141] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 329.199867][ T3141] RIP: 0033:0x7faa22393b5f [ 329.204416][ T3141] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 329.224898][ T3141] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 329.233683][ T3141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 329.242038][ T3141] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 329.250023][ T3141] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 329.258165][ T3141] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 329.266827][ T3141] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 329.274896][ T3148] CPU: 0 PID: 3148 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 329.285593][ T3148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 329.295720][ T3148] Call Trace: [ 329.299028][ T3148] dump_stack_lvl+0x1e2/0x24b [ 329.303719][ T3148] ? bfq_pos_tree_add_move+0x43e/0x43e [ 329.309199][ T3148] ? vsnprintf+0x1fa/0x1cd0 [ 329.314036][ T3148] dump_stack+0x15/0x17 [ 329.318347][ T3148] should_fail+0x3c0/0x510 [ 329.322743][ T3148] should_fail_usercopy+0x1a/0x20 [ 329.327760][ T3148] _copy_from_user+0x20/0xd0 [ 329.332621][ T3148] kstrtouint_from_user+0xd7/0x2b0 [ 329.337755][ T3148] ? kstrtol_from_user+0x310/0x310 [ 329.343294][ T3148] ? snprintf+0xd6/0x120 [ 329.347664][ T3148] ? avc_policy_seqno+0x1b/0x70 [ 329.352505][ T3148] ? selinux_file_permission+0x2a9/0x520 [ 329.358244][ T3148] proc_fail_nth_write+0xa5/0x290 [ 329.363273][ T3148] ? security_file_permission+0x9d/0xc0 [ 329.368800][ T3148] ? proc_fail_nth_read+0x220/0x220 [ 329.374076][ T3148] ? security_file_permission+0xa8/0xc0 [ 329.379219][ T3151] FAULT_INJECTION: forcing a failure. [ 329.379219][ T3151] name failslab, interval 1, probability 0, space 0, times 0 [ 329.379707][ T3148] ? rw_verify_area+0x1c2/0x360 [ 329.397654][ T3148] ? proc_fail_nth_read+0x220/0x220 [ 329.402868][ T3148] vfs_write+0x39b/0xf80 [ 329.407114][ T3148] ? kernel_write+0x420/0x420 [ 329.412409][ T3148] ? __kasan_check_write+0x14/0x20 [ 329.417606][ T3148] ? mutex_lock+0xb2/0x1e0 [ 329.422395][ T3148] ? mutex_trylock+0x180/0x180 [ 329.427486][ T3148] ? __fdget_pos+0x26d/0x310 [ 329.432118][ T3148] ? ksys_write+0x77/0x2c0 [ 329.436519][ T3148] ksys_write+0x198/0x2c0 [ 329.441072][ T3148] ? __ia32_sys_read+0x90/0x90 [ 329.445950][ T3148] ? debug_smp_processor_id+0x17/0x20 [ 329.451485][ T3148] __x64_sys_write+0x7b/0x90 [ 329.456460][ T3148] do_syscall_64+0x34/0x70 [ 329.460956][ T3148] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 329.466828][ T3148] RIP: 0033:0x7f7d1c31ab5f [ 329.471500][ T3148] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 329.491919][ T3148] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 329.500413][ T3148] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 329.508378][ T3148] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 329.516377][ T3148] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 329.524444][ T3148] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 329.532484][ T3148] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 329.540811][ T3145] CPU: 1 PID: 3145 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 329.551816][ T3145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 329.562056][ T3145] Call Trace: [ 329.565355][ T3145] dump_stack_lvl+0x1e2/0x24b [ 329.570020][ T3145] ? bfq_pos_tree_add_move+0x43e/0x43e [ 329.575467][ T3145] ? vsnprintf+0x1fa/0x1cd0 [ 329.579981][ T3145] dump_stack+0x15/0x17 [ 329.584122][ T3145] should_fail+0x3c0/0x510 [ 329.588660][ T3145] should_fail_usercopy+0x1a/0x20 [ 329.593842][ T3145] _copy_from_user+0x20/0xd0 [ 329.598413][ T3145] kstrtouint_from_user+0xd7/0x2b0 [ 329.603512][ T3145] ? kstrtol_from_user+0x310/0x310 [ 329.608697][ T3145] ? snprintf+0xd6/0x120 [ 329.612949][ T3145] ? avc_policy_seqno+0x1b/0x70 [ 329.617871][ T3145] ? selinux_file_permission+0x2a9/0x520 [ 329.623491][ T3145] proc_fail_nth_write+0xa5/0x290 [ 329.628513][ T3145] ? security_file_permission+0x9d/0xc0 [ 329.634133][ T3145] ? proc_fail_nth_read+0x220/0x220 [ 329.639314][ T3145] ? security_file_permission+0xa8/0xc0 [ 329.644935][ T3145] ? rw_verify_area+0x1c2/0x360 [ 329.649900][ T3145] ? proc_fail_nth_read+0x220/0x220 [ 329.655279][ T3145] vfs_write+0x39b/0xf80 [ 329.659591][ T3145] ? kernel_write+0x420/0x420 [ 329.664272][ T3145] ? __kasan_check_write+0x14/0x20 [ 329.669505][ T3145] ? mutex_lock+0xb2/0x1e0 [ 329.673995][ T3145] ? mutex_trylock+0x180/0x180 [ 329.678920][ T3145] ? __fdget_pos+0x26d/0x310 [ 329.683495][ T3145] ? ksys_write+0x77/0x2c0 [ 329.687982][ T3145] ksys_write+0x198/0x2c0 [ 329.692382][ T3145] ? __ia32_sys_read+0x90/0x90 [ 329.697733][ T3145] ? debug_smp_processor_id+0x17/0x20 [ 329.703262][ T3145] __x64_sys_write+0x7b/0x90 [ 329.707837][ T3145] do_syscall_64+0x34/0x70 [ 329.712246][ T3145] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 329.718541][ T3145] RIP: 0033:0x7f6ebe0d0b5f [ 329.723214][ T3145] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 329.743069][ T3145] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 329.752078][ T3145] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 329.760172][ T3145] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 329.768399][ T3145] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 329.776716][ T3145] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 329.785060][ T3145] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 329.793530][ T3151] CPU: 0 PID: 3151 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 329.805095][ T3151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 329.815729][ T3151] Call Trace: [ 329.819024][ T3151] dump_stack_lvl+0x1e2/0x24b [ 329.823705][ T3151] ? panic+0x7d7/0x7d7 [ 329.827850][ T3151] ? bfq_pos_tree_add_move+0x43e/0x43e [ 329.833733][ T3151] ? find_next_bit+0xd6/0x120 [ 329.838387][ T3151] ? cpumask_next+0x11/0x30 [ 329.842879][ T3151] dump_stack+0x15/0x17 [ 329.847126][ T3151] should_fail+0x3c0/0x510 [ 329.851621][ T3151] ? percpu_ref_init+0xd0/0x340 [ 329.856456][ T3151] __should_failslab+0x9f/0xe0 [ 329.861353][ T3151] should_failslab+0x9/0x20 [ 329.866178][ T3151] kmem_cache_alloc_trace+0x3a/0x330 [ 329.871532][ T3151] percpu_ref_init+0xd0/0x340 [ 329.876274][ T3151] ? cgroup_setup_root+0xea0/0xea0 [ 329.881474][ T3151] cgroup_apply_control_enable+0x3a2/0x12f0 [ 329.887358][ T3151] ? cgroup_reconfigure+0xe0/0xe0 [ 329.892376][ T3151] cgroup_apply_control+0x8e/0x7e0 [ 329.897562][ T3151] ? css_next_child+0x160/0x160 [ 329.902386][ T3151] ? io_schedule+0x120/0x120 [ 329.907037][ T3151] ? kernfs_fop_write_iter+0x15e/0x410 [ 329.912470][ T3151] ? __kasan_check_write+0x14/0x20 [ 329.917653][ T3151] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 329.922939][ T3151] cgroup_subtree_control_write+0xd19/0x1310 [ 329.929415][ T3151] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 329.935458][ T3151] ? __kasan_check_write+0x14/0x20 [ 329.940804][ T3151] ? _copy_from_iter+0x3fb/0xd60 [ 329.945726][ T3151] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 329.951857][ T3151] cgroup_file_write+0x28e/0x590 [ 329.956779][ T3151] ? cgroup_seqfile_stop+0xc0/0xc0 [ 329.961882][ T3151] ? mutex_trylock+0x180/0x180 [ 329.966624][ T3151] ? __kasan_check_write+0x14/0x20 [ 329.971713][ T3151] kernfs_fop_write_iter+0x2d0/0x410 [ 329.977255][ T3151] ? cgroup_seqfile_stop+0xc0/0xc0 [ 329.982342][ T3151] vfs_write+0xc4a/0xf80 [ 329.986648][ T3151] ? kernel_write+0x420/0x420 [ 329.991385][ T3151] ? mutex_lock+0xb2/0x1e0 [ 329.995833][ T3151] ? mutex_trylock+0x180/0x180 [ 330.000615][ T3151] ? __fdget_pos+0x26d/0x310 [ 330.005179][ T3151] ? ksys_write+0x77/0x2c0 [ 330.009836][ T3151] ksys_write+0x198/0x2c0 [ 330.014254][ T3151] ? __ia32_sys_read+0x90/0x90 [ 330.019308][ T3151] ? debug_smp_processor_id+0x17/0x20 [ 330.024862][ T3151] __x64_sys_write+0x7b/0x90 [ 330.029625][ T3151] do_syscall_64+0x34/0x70 [ 330.034042][ T3151] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 330.039999][ T3151] RIP: 0033:0x7f85191c4049 [ 330.044619][ T3151] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 330.064477][ T3151] RSP: 002b:00007f85190f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 330.073045][ T3151] RAX: ffffffffffffffda RBX: 00007f85192d7100 RCX: 00007f85191c4049 [ 330.081302][ T3151] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 330.089605][ T3151] RBP: 00007f85190f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 330.097820][ T3151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 330.105965][ T3151] R13: 00007ffd0d50551f R14: 00007f85190f8300 R15: 0000000000022000 [ 330.114381][ T3140] CPU: 1 PID: 3140 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 330.120330][ T3153] FAULT_INJECTION: forcing a failure. [ 330.120330][ T3153] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 330.124871][ T3140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 330.124876][ T3140] Call Trace: [ 330.124893][ T3140] dump_stack_lvl+0x1e2/0x24b [ 330.124904][ T3140] ? bfq_pos_tree_add_move+0x43e/0x43e [ 330.124913][ T3140] ? vsnprintf+0x1fa/0x1cd0 [ 330.124923][ T3140] dump_stack+0x15/0x17 [ 330.124932][ T3140] should_fail+0x3c0/0x510 [ 330.124942][ T3140] should_fail_usercopy+0x1a/0x20 [ 330.124952][ T3140] _copy_from_user+0x20/0xd0 [ 330.124961][ T3140] kstrtouint_from_user+0xd7/0x2b0 [ 330.124970][ T3140] ? kstrtol_from_user+0x310/0x310 [ 330.124987][ T3140] ? snprintf+0xd6/0x120 [ 330.138329][ T3155] FAULT_INJECTION: forcing a failure. [ 330.138329][ T3155] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 330.149628][ T3140] ? avc_policy_seqno+0x1b/0x70 [ 330.149640][ T3140] ? selinux_file_permission+0x2a9/0x520 [ 330.149649][ T3140] proc_fail_nth_write+0xa5/0x290 [ 330.149658][ T3140] ? security_file_permission+0x9d/0xc0 [ 330.149665][ T3140] ? proc_fail_nth_read+0x220/0x220 [ 330.149682][ T3140] ? security_file_permission+0xa8/0xc0 [ 330.153201][ T3157] FAULT_INJECTION: forcing a failure. [ 330.153201][ T3157] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 330.158247][ T3140] ? rw_verify_area+0x1c2/0x360 [ 330.158255][ T3140] ? proc_fail_nth_read+0x220/0x220 [ 330.158264][ T3140] vfs_write+0x39b/0xf80 [ 330.158279][ T3140] ? kernel_write+0x420/0x420 [ 330.184705][ T3160] FAULT_INJECTION: forcing a failure. [ 330.184705][ T3160] name failslab, interval 1, probability 0, space 0, times 0 [ 330.187548][ T3140] ? __kasan_check_write+0x14/0x20 [ 330.187558][ T3140] ? mutex_lock+0xb2/0x1e0 [ 330.187567][ T3140] ? mutex_trylock+0x180/0x180 [ 330.187584][ T3140] ? __fdget_pos+0x26d/0x310 [ 330.314580][ T3140] ? ksys_write+0x77/0x2c0 [ 330.319364][ T3140] ksys_write+0x198/0x2c0 [ 330.323766][ T3140] ? __kasan_check_write+0x14/0x20 [ 330.329070][ T3140] ? __ia32_sys_read+0x90/0x90 [ 330.334982][ T3140] ? debug_smp_processor_id+0x17/0x20 [ 330.340434][ T3140] __x64_sys_write+0x7b/0x90 [ 330.345014][ T3140] do_syscall_64+0x34/0x70 [ 330.349961][ T3140] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 330.356215][ T3140] RIP: 0033:0x7f869ba6eb5f [ 330.360700][ T3140] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 330.381070][ T3140] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 330.390432][ T3140] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 330.398649][ T3140] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 330.407126][ T3140] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 330.415351][ T3140] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 330.424145][ T3140] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 330.432630][ T3153] CPU: 0 PID: 3153 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 330.443354][ T3153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 330.454269][ T3153] Call Trace: [ 330.457818][ T3153] dump_stack_lvl+0x1e2/0x24b [ 330.462563][ T3153] ? bfq_pos_tree_add_move+0x43e/0x43e [ 330.468172][ T3153] ? vsnprintf+0x1fa/0x1cd0 [ 330.472949][ T3153] dump_stack+0x15/0x17 [ 330.477345][ T3153] should_fail+0x3c0/0x510 [ 330.481935][ T3153] should_fail_usercopy+0x1a/0x20 [ 330.487029][ T3153] _copy_from_user+0x20/0xd0 [ 330.491949][ T3153] kstrtouint_from_user+0xd7/0x2b0 [ 330.497234][ T3153] ? kstrtol_from_user+0x310/0x310 [ 330.502340][ T3153] ? snprintf+0xd6/0x120 [ 330.506664][ T3153] ? avc_policy_seqno+0x1b/0x70 [ 330.511640][ T3153] ? selinux_file_permission+0x2a9/0x520 [ 330.517417][ T3153] proc_fail_nth_write+0xa5/0x290 [ 330.522548][ T3153] ? security_file_permission+0x9d/0xc0 [ 330.528593][ T3153] ? proc_fail_nth_read+0x220/0x220 [ 330.534833][ T3153] ? security_file_permission+0xa8/0xc0 [ 330.540358][ T3153] ? rw_verify_area+0x1c2/0x360 [ 330.545275][ T3153] ? proc_fail_nth_read+0x220/0x220 [ 330.550448][ T3153] vfs_write+0x39b/0xf80 [ 330.554671][ T3153] ? kernel_write+0x420/0x420 [ 330.559572][ T3153] ? __kasan_check_write+0x14/0x20 [ 330.564691][ T3153] ? mutex_lock+0xb2/0x1e0 [ 330.569304][ T3153] ? mutex_trylock+0x180/0x180 [ 330.574483][ T3153] ? __fdget_pos+0x26d/0x310 [ 330.579057][ T3153] ? ksys_write+0x77/0x2c0 [ 330.583599][ T3153] ksys_write+0x198/0x2c0 [ 330.588021][ T3153] ? __kasan_check_write+0x14/0x20 [ 330.593919][ T3153] ? __ia32_sys_read+0x90/0x90 [ 330.598662][ T3153] ? debug_smp_processor_id+0x17/0x20 [ 330.604020][ T3153] __x64_sys_write+0x7b/0x90 [ 330.608946][ T3153] do_syscall_64+0x34/0x70 [ 330.613449][ T3153] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 330.620549][ T3153] RIP: 0033:0x7f022ab05b5f [ 330.625499][ T3153] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 330.645870][ T3153] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 330.654437][ T3153] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 330.663012][ T3153] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 330.671048][ T3153] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 330.679100][ T3153] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 330.687145][ T3153] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 330.697463][ T3157] CPU: 0 PID: 3157 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 330.707965][ T3157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 330.719342][ T3157] Call Trace: [ 330.722623][ T3157] dump_stack_lvl+0x1e2/0x24b [ 330.727364][ T3157] ? bfq_pos_tree_add_move+0x43e/0x43e [ 330.732841][ T3157] ? vsnprintf+0x1fa/0x1cd0 [ 330.737334][ T3157] dump_stack+0x15/0x17 [ 330.741465][ T3157] should_fail+0x3c0/0x510 [ 330.746057][ T3157] should_fail_usercopy+0x1a/0x20 [ 330.751061][ T3157] _copy_from_user+0x20/0xd0 [ 330.756366][ T3157] kstrtouint_from_user+0xd7/0x2b0 [ 330.761528][ T3157] ? kstrtol_from_user+0x310/0x310 [ 330.766611][ T3157] ? snprintf+0xd6/0x120 [ 330.770859][ T3157] ? avc_policy_seqno+0x1b/0x70 [ 330.775921][ T3157] ? selinux_file_permission+0x2a9/0x520 [ 330.781704][ T3157] proc_fail_nth_write+0xa5/0x290 [ 330.786705][ T3157] ? security_file_permission+0x9d/0xc0 [ 330.792663][ T3157] ? proc_fail_nth_read+0x220/0x220 [ 330.798296][ T3157] ? security_file_permission+0xa8/0xc0 [ 330.803819][ T3157] ? rw_verify_area+0x1c2/0x360 [ 330.808949][ T3157] ? proc_fail_nth_read+0x220/0x220 [ 330.814219][ T3157] vfs_write+0x39b/0xf80 [ 330.818439][ T3157] ? kernel_write+0x420/0x420 [ 330.823098][ T3157] ? __kasan_check_write+0x14/0x20 [ 330.828186][ T3157] ? mutex_lock+0xb2/0x1e0 [ 330.832578][ T3157] ? mutex_trylock+0x180/0x180 [ 330.837406][ T3157] ? __fdget_pos+0x26d/0x310 [ 330.841998][ T3157] ? ksys_write+0x77/0x2c0 [ 330.846480][ T3157] ksys_write+0x198/0x2c0 [ 330.851015][ T3157] ? __kasan_check_write+0x14/0x20 [ 330.856209][ T3157] ? __ia32_sys_read+0x90/0x90 [ 330.861137][ T3157] ? debug_smp_processor_id+0x17/0x20 [ 330.866648][ T3157] __x64_sys_write+0x7b/0x90 [ 330.871396][ T3157] do_syscall_64+0x34/0x70 [ 330.875790][ T3157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 330.881927][ T3157] RIP: 0033:0x7faa22393b5f [ 330.886324][ T3157] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 330.906707][ T3157] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 330.915099][ T3157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 330.923147][ T3157] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 330.931183][ T3157] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 330.939239][ T3157] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 330.947533][ T3157] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 330.955603][ T3160] CPU: 1 PID: 3160 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 330.966187][ T3160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 330.976484][ T3160] Call Trace: [ 330.979916][ T3160] dump_stack_lvl+0x1e2/0x24b [ 330.984578][ T3160] ? panic+0x7d7/0x7d7 [ 330.988735][ T3160] ? bfq_pos_tree_add_move+0x43e/0x43e [ 330.994531][ T3160] ? find_next_bit+0xd6/0x120 [ 330.999463][ T3160] ? cpumask_next+0x11/0x30 [ 331.004033][ T3160] dump_stack+0x15/0x17 [ 331.008517][ T3160] should_fail+0x3c0/0x510 [ 331.013089][ T3160] ? percpu_ref_init+0xd0/0x340 [ 331.018019][ T3160] __should_failslab+0x9f/0xe0 [ 331.023021][ T3160] should_failslab+0x9/0x20 [ 331.027596][ T3160] kmem_cache_alloc_trace+0x3a/0x330 [ 331.033495][ T3160] percpu_ref_init+0xd0/0x340 [ 331.038157][ T3160] ? cgroup_setup_root+0xea0/0xea0 [ 331.043274][ T3160] cgroup_apply_control_enable+0x3a2/0x12f0 [ 331.049161][ T3160] ? cgroup_reconfigure+0xe0/0xe0 [ 331.054364][ T3160] cgroup_apply_control+0x8e/0x7e0 [ 331.059497][ T3160] ? css_next_child+0x160/0x160 [ 331.064508][ T3160] ? io_schedule+0x120/0x120 [ 331.069253][ T3160] ? kernfs_fop_write_iter+0x15e/0x410 [ 331.074738][ T3160] ? __kasan_check_write+0x14/0x20 [ 331.079917][ T3160] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 331.085356][ T3160] cgroup_subtree_control_write+0xd19/0x1310 [ 331.091412][ T3160] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 331.097497][ T3160] ? __kasan_check_write+0x14/0x20 [ 331.102586][ T3160] ? _copy_from_iter+0x3fb/0xd60 [ 331.107627][ T3160] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 331.113617][ T3160] cgroup_file_write+0x28e/0x590 [ 331.118560][ T3160] ? cgroup_seqfile_stop+0xc0/0xc0 [ 331.123770][ T3160] ? mutex_trylock+0x180/0x180 [ 331.130366][ T3160] ? __kasan_check_write+0x14/0x20 [ 331.135582][ T3160] kernfs_fop_write_iter+0x2d0/0x410 [ 331.140959][ T3160] ? cgroup_seqfile_stop+0xc0/0xc0 [ 331.146059][ T3160] vfs_write+0xc4a/0xf80 [ 331.150289][ T3160] ? kernel_write+0x420/0x420 [ 331.155074][ T3160] ? mutex_lock+0xb2/0x1e0 [ 331.159481][ T3160] ? mutex_trylock+0x180/0x180 [ 331.164231][ T3160] ? __fdget_pos+0x26d/0x310 [ 331.168806][ T3160] ? ksys_write+0x77/0x2c0 [ 331.173236][ T3160] ksys_write+0x198/0x2c0 [ 331.177732][ T3160] ? __ia32_sys_read+0x90/0x90 [ 331.182479][ T3160] ? debug_smp_processor_id+0x17/0x20 [ 331.187832][ T3160] __x64_sys_write+0x7b/0x90 [ 331.192666][ T3160] do_syscall_64+0x34/0x70 [ 331.198576][ T3160] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 331.204940][ T3160] RIP: 0033:0x7f85191c4049 [ 331.209557][ T3160] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 331.229793][ T3160] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 331.238380][ T3160] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 331.246865][ T3160] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 331.255079][ T3160] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 331.263130][ T3160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 331.271094][ T3160] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 331.279322][ T3155] CPU: 0 PID: 3155 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 331.289936][ T3155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 331.300185][ T3155] Call Trace: [ 331.303461][ T3155] dump_stack_lvl+0x1e2/0x24b [ 331.308115][ T3155] ? bfq_pos_tree_add_move+0x43e/0x43e [ 331.313730][ T3155] ? vsnprintf+0x1fa/0x1cd0 [ 331.318329][ T3155] dump_stack+0x15/0x17 [ 331.322465][ T3155] should_fail+0x3c0/0x510 [ 331.327217][ T3155] should_fail_usercopy+0x1a/0x20 [ 331.332222][ T3155] _copy_from_user+0x20/0xd0 [ 331.336977][ T3155] kstrtouint_from_user+0xd7/0x2b0 [ 331.342068][ T3155] ? kstrtol_from_user+0x310/0x310 [ 331.347515][ T3155] ? snprintf+0xd6/0x120 [ 331.351737][ T3155] ? avc_policy_seqno+0x1b/0x70 [ 331.356565][ T3155] ? selinux_file_permission+0x2a9/0x520 [ 331.362199][ T3155] proc_fail_nth_write+0xa5/0x290 [ 331.367307][ T3155] ? security_file_permission+0x9d/0xc0 [ 331.372912][ T3155] ? proc_fail_nth_read+0x220/0x220 [ 331.378084][ T3155] ? security_file_permission+0xa8/0xc0 [ 331.383953][ T3155] ? rw_verify_area+0x1c2/0x360 [ 331.388785][ T3155] ? proc_fail_nth_read+0x220/0x220 [ 331.394394][ T3155] vfs_write+0x39b/0xf80 [ 331.398627][ T3155] ? kernel_write+0x420/0x420 [ 331.403625][ T3155] ? __kasan_check_write+0x14/0x20 [ 331.408974][ T3155] ? mutex_lock+0xb2/0x1e0 [ 331.413645][ T3155] ? mutex_trylock+0x180/0x180 [ 331.418525][ T3155] ? __fdget_pos+0x26d/0x310 [ 331.423202][ T3155] ? ksys_write+0x77/0x2c0 [ 331.428031][ T3155] ksys_write+0x198/0x2c0 [ 331.432356][ T3155] ? __kasan_check_write+0x14/0x20 [ 331.437529][ T3155] ? __ia32_sys_read+0x90/0x90 [ 331.442354][ T3155] ? debug_smp_processor_id+0x17/0x20 [ 331.447724][ T3155] __x64_sys_write+0x7b/0x90 [ 331.452391][ T3155] do_syscall_64+0x34/0x70 [ 331.456970][ T3155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 331.462939][ T3155] RIP: 0033:0x7f7d1c31ab5f [ 331.467538][ T3155] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 331.487931][ T3155] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 331.496426][ T3155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 331.504514][ T3155] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 331.512567][ T3155] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 331.520881][ T3155] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 331.529094][ T3155] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 331.540989][ T3167] FAULT_INJECTION: forcing a failure. [ 331.540989][ T3167] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 331.540997][ T3166] FAULT_INJECTION: forcing a failure. [ 331.540997][ T3166] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 331.541014][ T3166] CPU: 1 PID: 3166 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 331.564078][ T3168] FAULT_INJECTION: forcing a failure. [ 331.564078][ T3168] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 331.568414][ T3166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 331.568419][ T3166] Call Trace: [ 331.568437][ T3166] dump_stack_lvl+0x1e2/0x24b [ 331.568454][ T3166] ? bfq_pos_tree_add_move+0x43e/0x43e [ 331.615939][ T3166] ? vsnprintf+0x1fa/0x1cd0 [ 331.620805][ T3166] dump_stack+0x15/0x17 [ 331.624973][ T3166] should_fail+0x3c0/0x510 [ 331.629654][ T3166] should_fail_usercopy+0x1a/0x20 [ 331.634796][ T3166] _copy_from_user+0x20/0xd0 [ 331.639466][ T3166] kstrtouint_from_user+0xd7/0x2b0 [ 331.644574][ T3166] ? kstrtol_from_user+0x310/0x310 [ 331.649707][ T3166] ? snprintf+0xd6/0x120 [ 331.654117][ T3166] ? avc_policy_seqno+0x1b/0x70 [ 331.659127][ T3166] ? selinux_file_permission+0x2a9/0x520 [ 331.664739][ T3166] proc_fail_nth_write+0xa5/0x290 [ 331.670005][ T3166] ? security_file_permission+0x9d/0xc0 [ 331.675537][ T3166] ? proc_fail_nth_read+0x220/0x220 [ 331.680826][ T3166] ? security_file_permission+0xa8/0xc0 [ 331.686700][ T3166] ? rw_verify_area+0x1c2/0x360 [ 331.692100][ T3166] ? proc_fail_nth_read+0x220/0x220 [ 331.697290][ T3166] vfs_write+0x39b/0xf80 [ 331.701541][ T3166] ? kernel_write+0x420/0x420 [ 331.706286][ T3166] ? __kasan_check_write+0x14/0x20 [ 331.711381][ T3166] ? mutex_lock+0xb2/0x1e0 [ 331.715864][ T3166] ? mutex_trylock+0x180/0x180 [ 331.720729][ T3166] ? __fdget_pos+0x26d/0x310 [ 331.725512][ T3166] ? ksys_write+0x77/0x2c0 [ 331.729919][ T3166] ksys_write+0x198/0x2c0 [ 331.734505][ T3166] ? __ia32_sys_read+0x90/0x90 [ 331.739258][ T3166] ? debug_smp_processor_id+0x17/0x20 [ 331.744919][ T3166] __x64_sys_write+0x7b/0x90 [ 331.749605][ T3166] do_syscall_64+0x34/0x70 [ 331.754214][ T3166] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 331.760113][ T3166] RIP: 0033:0x7f869ba6eb5f [ 331.764858][ T3166] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 331.784643][ T3166] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 331.794260][ T3166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 331.802500][ T3166] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 331.812643][ T3166] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 331.820778][ T3166] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 331.829009][ T3166] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 331.836976][ T3168] CPU: 0 PID: 3168 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 331.847387][ T3168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 331.857613][ T3168] Call Trace: [ 331.860908][ T3168] dump_stack_lvl+0x1e2/0x24b [ 331.865592][ T3168] ? bfq_pos_tree_add_move+0x43e/0x43e [ 331.871827][ T3168] ? vsnprintf+0x1fa/0x1cd0 [ 331.876676][ T3168] dump_stack+0x15/0x17 [ 331.881007][ T3168] should_fail+0x3c0/0x510 [ 331.885525][ T3168] should_fail_usercopy+0x1a/0x20 [ 331.890539][ T3168] _copy_from_user+0x20/0xd0 [ 331.903456][ T3168] kstrtouint_from_user+0xd7/0x2b0 [ 331.908567][ T3168] ? kstrtol_from_user+0x310/0x310 [ 331.913833][ T3168] ? snprintf+0xd6/0x120 [ 331.918413][ T3168] ? avc_policy_seqno+0x1b/0x70 [ 331.923353][ T3168] ? selinux_file_permission+0x2a9/0x520 [ 331.929069][ T3168] proc_fail_nth_write+0xa5/0x290 [ 331.934077][ T3168] ? security_file_permission+0x9d/0xc0 [ 331.939620][ T3168] ? proc_fail_nth_read+0x220/0x220 [ 331.944797][ T3168] ? security_file_permission+0xa8/0xc0 [ 331.950415][ T3168] ? rw_verify_area+0x1c2/0x360 [ 331.955334][ T3168] ? proc_fail_nth_read+0x220/0x220 [ 331.960521][ T3168] vfs_write+0x39b/0xf80 [ 331.965049][ T3168] ? kernel_write+0x420/0x420 [ 331.969723][ T3168] ? __kasan_check_write+0x14/0x20 [ 331.974813][ T3168] ? mutex_lock+0xb2/0x1e0 [ 331.979308][ T3168] ? mutex_trylock+0x180/0x180 [ 331.984057][ T3168] ? __fdget_pos+0x26d/0x310 [ 331.988633][ T3168] ? ksys_write+0x77/0x2c0 [ 331.993029][ T3168] ksys_write+0x198/0x2c0 [ 331.997602][ T3168] ? __ia32_sys_read+0x90/0x90 [ 332.002359][ T3168] ? debug_smp_processor_id+0x17/0x20 [ 332.007763][ T3168] __x64_sys_write+0x7b/0x90 [ 332.013045][ T3168] do_syscall_64+0x34/0x70 [ 332.017709][ T3168] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 332.023678][ T3168] RIP: 0033:0x7faa22393b5f [ 332.028096][ T3168] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 332.048921][ T3168] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 332.057509][ T3168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 332.065467][ T3168] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 332.073437][ T3168] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 332.081574][ T3168] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 332.089634][ T3168] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 332.097612][ T3167] CPU: 1 PID: 3167 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 332.104955][ T3174] FAULT_INJECTION: forcing a failure. [ 332.104955][ T3174] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 332.108134][ T3167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 332.131360][ T3167] Call Trace: [ 332.134634][ T3167] dump_stack_lvl+0x1e2/0x24b [ 332.139289][ T3167] ? bfq_pos_tree_add_move+0x43e/0x43e [ 332.144753][ T3167] ? vsnprintf+0x1fa/0x1cd0 [ 332.149337][ T3167] dump_stack+0x15/0x17 [ 332.150690][ T3175] FAULT_INJECTION: forcing a failure. [ 332.150690][ T3175] name failslab, interval 1, probability 0, space 0, times 0 [ 332.153485][ T3167] should_fail+0x3c0/0x510 [ 332.153502][ T3167] should_fail_usercopy+0x1a/0x20 [ 332.175724][ T3167] _copy_from_user+0x20/0xd0 [ 332.180295][ T3167] kstrtouint_from_user+0xd7/0x2b0 [ 332.185408][ T3167] ? kstrtol_from_user+0x310/0x310 [ 332.190688][ T3167] ? snprintf+0xd6/0x120 [ 332.195115][ T3167] ? avc_policy_seqno+0x1b/0x70 [ 332.200140][ T3167] ? selinux_file_permission+0x2a9/0x520 [ 332.206142][ T3167] proc_fail_nth_write+0xa5/0x290 [ 332.211338][ T3167] ? security_file_permission+0x9d/0xc0 [ 332.216973][ T3167] ? proc_fail_nth_read+0x220/0x220 [ 332.222667][ T3167] ? security_file_permission+0xa8/0xc0 [ 332.228309][ T3167] ? rw_verify_area+0x1c2/0x360 [ 332.233149][ T3167] ? proc_fail_nth_read+0x220/0x220 [ 332.238333][ T3167] vfs_write+0x39b/0xf80 [ 332.242557][ T3167] ? kernel_write+0x420/0x420 [ 332.247339][ T3167] ? __kasan_check_write+0x14/0x20 [ 332.252612][ T3167] ? mutex_lock+0xb2/0x1e0 [ 332.257096][ T3167] ? mutex_trylock+0x180/0x180 [ 332.261932][ T3167] ? __fdget_pos+0x26d/0x310 [ 332.266500][ T3167] ? ksys_write+0x77/0x2c0 [ 332.270898][ T3167] ksys_write+0x198/0x2c0 [ 332.275207][ T3167] ? __ia32_sys_read+0x90/0x90 [ 332.279949][ T3167] ? debug_smp_processor_id+0x17/0x20 [ 332.285299][ T3167] __x64_sys_write+0x7b/0x90 [ 332.289868][ T3167] do_syscall_64+0x34/0x70 [ 332.294358][ T3167] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 332.300437][ T3167] RIP: 0033:0x7f022ab05b5f [ 332.305183][ T3167] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 332.325245][ T3167] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 332.333988][ T3167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 332.342206][ T3167] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 332.350231][ T3167] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 332.358201][ T3167] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 332.366261][ T3167] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 332.374402][ T3175] CPU: 0 PID: 3175 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 332.386347][ T3175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 332.396644][ T3175] Call Trace: [ 332.400394][ T3175] dump_stack_lvl+0x1e2/0x24b [ 332.405144][ T3175] ? panic+0x7d7/0x7d7 [ 332.409314][ T3175] ? bfq_pos_tree_add_move+0x43e/0x43e [ 332.414851][ T3175] ? find_next_bit+0xd6/0x120 [ 332.419527][ T3175] ? cpumask_next+0x11/0x30 [ 332.424119][ T3175] dump_stack+0x15/0x17 [ 332.428526][ T3175] should_fail+0x3c0/0x510 [ 332.433231][ T3175] ? percpu_ref_init+0xd0/0x340 [ 332.438257][ T3175] __should_failslab+0x9f/0xe0 [ 332.443009][ T3175] should_failslab+0x9/0x20 [ 332.447588][ T3175] kmem_cache_alloc_trace+0x3a/0x330 [ 332.453034][ T3175] percpu_ref_init+0xd0/0x340 [ 332.457859][ T3175] ? cgroup_setup_root+0xea0/0xea0 [ 332.463153][ T3175] cgroup_apply_control_enable+0x3a2/0x12f0 [ 332.469143][ T3175] ? cgroup_reconfigure+0xe0/0xe0 [ 332.474231][ T3175] cgroup_apply_control+0x8e/0x7e0 [ 332.479320][ T3175] ? css_next_child+0x160/0x160 [ 332.484238][ T3175] ? io_schedule+0x120/0x120 [ 332.488893][ T3175] ? kernfs_fop_write_iter+0x15e/0x410 [ 332.494562][ T3175] ? __kasan_check_write+0x14/0x20 [ 332.499919][ T3175] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 332.505180][ T3175] cgroup_subtree_control_write+0xd19/0x1310 [ 332.511726][ T3175] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 332.517700][ T3175] ? __kasan_check_write+0x14/0x20 [ 332.522970][ T3175] ? _copy_from_iter+0x3fb/0xd60 [ 332.528330][ T3175] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 332.534403][ T3175] cgroup_file_write+0x28e/0x590 [ 332.539314][ T3175] ? cgroup_seqfile_stop+0xc0/0xc0 [ 332.544400][ T3175] ? mutex_trylock+0x180/0x180 [ 332.549243][ T3175] ? __kasan_check_write+0x14/0x20 [ 332.554330][ T3175] kernfs_fop_write_iter+0x2d0/0x410 [ 332.559676][ T3175] ? cgroup_seqfile_stop+0xc0/0xc0 [ 332.564775][ T3175] vfs_write+0xc4a/0xf80 [ 332.569167][ T3175] ? kernel_write+0x420/0x420 [ 332.573928][ T3175] ? mutex_lock+0xb2/0x1e0 [ 332.578414][ T3175] ? mutex_trylock+0x180/0x180 [ 332.583240][ T3175] ? __fdget_pos+0x26d/0x310 [ 332.587817][ T3175] ? ksys_write+0x77/0x2c0 [ 332.592391][ T3175] ksys_write+0x198/0x2c0 [ 332.596698][ T3175] ? __ia32_sys_read+0x90/0x90 [ 332.601440][ T3175] ? debug_smp_processor_id+0x17/0x20 [ 332.606884][ T3175] __x64_sys_write+0x7b/0x90 [ 332.611534][ T3175] do_syscall_64+0x34/0x70 [ 332.616103][ T3175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 332.621972][ T3175] RIP: 0033:0x7f85191c4049 [ 332.626377][ T3175] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 332.646679][ T3175] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 332.655106][ T3175] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 332.663052][ T3175] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 332.671007][ T3175] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 332.679040][ T3175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 332.686990][ T3175] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 332.696515][ T3174] CPU: 1 PID: 3174 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 332.706880][ T3174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 332.717052][ T3174] Call Trace: [ 332.720600][ T3174] dump_stack_lvl+0x1e2/0x24b [ 332.725304][ T3174] ? bfq_pos_tree_add_move+0x43e/0x43e [ 332.730911][ T3174] ? vsnprintf+0x1fa/0x1cd0 [ 332.735474][ T3174] dump_stack+0x15/0x17 [ 332.739692][ T3174] should_fail+0x3c0/0x510 [ 332.744081][ T3174] should_fail_usercopy+0x1a/0x20 [ 332.749126][ T3174] _copy_from_user+0x20/0xd0 [ 332.753783][ T3174] kstrtouint_from_user+0xd7/0x2b0 [ 332.758870][ T3174] ? kstrtol_from_user+0x310/0x310 [ 332.764131][ T3174] ? snprintf+0xd6/0x120 [ 332.768472][ T3174] ? avc_policy_seqno+0x1b/0x70 [ 332.773308][ T3174] ? selinux_file_permission+0x2a9/0x520 [ 332.778916][ T3174] proc_fail_nth_write+0xa5/0x290 [ 332.784011][ T3174] ? security_file_permission+0x9d/0xc0 [ 332.789939][ T3174] ? proc_fail_nth_read+0x220/0x220 [ 332.795806][ T3174] ? security_file_permission+0xa8/0xc0 [ 332.801510][ T3174] ? rw_verify_area+0x1c2/0x360 [ 332.806620][ T3174] ? proc_fail_nth_read+0x220/0x220 [ 332.811792][ T3174] vfs_write+0x39b/0xf80 [ 332.816009][ T3174] ? kernel_write+0x420/0x420 [ 332.820662][ T3174] ? __kasan_check_write+0x14/0x20 [ 332.825836][ T3174] ? mutex_lock+0xb2/0x1e0 [ 332.830239][ T3174] ? mutex_trylock+0x180/0x180 [ 332.835034][ T3174] ? __fdget_pos+0x26d/0x310 [ 332.839707][ T3174] ? ksys_write+0x77/0x2c0 [ 332.844381][ T3174] ksys_write+0x198/0x2c0 [ 332.849471][ T3174] ? __ia32_sys_read+0x90/0x90 [ 332.854354][ T3174] ? debug_smp_processor_id+0x17/0x20 [ 332.859789][ T3174] __x64_sys_write+0x7b/0x90 [ 332.864461][ T3174] do_syscall_64+0x34/0x70 [ 332.868866][ T3174] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 332.875021][ T3174] RIP: 0033:0x7f7d1c31ab5f 2022/08/30 17:01:13 executed programs: 1240 [ 332.879514][ T3174] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 332.899094][ T3174] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 332.907497][ T3174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 332.915445][ T3174] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 332.923407][ T3174] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 332.931515][ T3174] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 332.939636][ T3174] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 332.951175][ T3178] FAULT_INJECTION: forcing a failure. [ 332.951175][ T3178] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 332.971219][ T3181] FAULT_INJECTION: forcing a failure. [ 332.971219][ T3181] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 332.976760][ T3183] FAULT_INJECTION: forcing a failure. [ 332.976760][ T3183] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 332.998402][ T3181] CPU: 1 PID: 3181 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 333.009439][ T3181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 333.019495][ T3181] Call Trace: [ 333.023243][ T3181] dump_stack_lvl+0x1e2/0x24b [ 333.028343][ T3181] ? bfq_pos_tree_add_move+0x43e/0x43e [ 333.033889][ T3181] ? vsnprintf+0x1fa/0x1cd0 [ 333.038680][ T3181] dump_stack+0x15/0x17 [ 333.042994][ T3181] should_fail+0x3c0/0x510 [ 333.047675][ T3181] should_fail_usercopy+0x1a/0x20 [ 333.052680][ T3181] _copy_from_user+0x20/0xd0 [ 333.054790][ T3187] FAULT_INJECTION: forcing a failure. [ 333.054790][ T3187] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 333.057255][ T3181] kstrtouint_from_user+0xd7/0x2b0 [ 333.057266][ T3181] ? kstrtol_from_user+0x310/0x310 [ 333.057275][ T3181] ? snprintf+0xd6/0x120 [ 333.057293][ T3181] ? avc_policy_seqno+0x1b/0x70 [ 333.090233][ T3181] ? selinux_file_permission+0x2a9/0x520 [ 333.096111][ T3181] proc_fail_nth_write+0xa5/0x290 [ 333.101120][ T3181] ? security_file_permission+0x9d/0xc0 [ 333.106742][ T3181] ? proc_fail_nth_read+0x220/0x220 [ 333.112096][ T3181] ? security_file_permission+0xa8/0xc0 [ 333.117887][ T3181] ? rw_verify_area+0x1c2/0x360 [ 333.122806][ T3181] ? proc_fail_nth_read+0x220/0x220 [ 333.127996][ T3181] vfs_write+0x39b/0xf80 [ 333.132491][ T3181] ? kernel_write+0x420/0x420 [ 333.137408][ T3181] ? __kasan_check_write+0x14/0x20 [ 333.142502][ T3181] ? mutex_lock+0xb2/0x1e0 [ 333.146927][ T3181] ? mutex_trylock+0x180/0x180 [ 333.151866][ T3181] ? __fdget_pos+0x26d/0x310 [ 333.156540][ T3181] ? ksys_write+0x77/0x2c0 [ 333.161253][ T3181] ksys_write+0x198/0x2c0 [ 333.165564][ T3181] ? __ia32_sys_read+0x90/0x90 [ 333.170350][ T3181] ? debug_smp_processor_id+0x17/0x20 [ 333.176162][ T3181] __x64_sys_write+0x7b/0x90 [ 333.180747][ T3181] do_syscall_64+0x34/0x70 [ 333.185192][ T3181] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 333.191209][ T3181] RIP: 0033:0x7faa22393b5f [ 333.195860][ T3181] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 333.215752][ T3181] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 333.224337][ T3181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 333.232305][ T3181] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 333.240259][ T3181] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 333.248223][ T3181] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 333.256351][ T3181] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 333.264398][ T3183] CPU: 0 PID: 3183 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 333.274996][ T3183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 333.285500][ T3183] Call Trace: [ 333.288779][ T3183] dump_stack_lvl+0x1e2/0x24b [ 333.293443][ T3183] ? bfq_pos_tree_add_move+0x43e/0x43e [ 333.298901][ T3183] ? vsnprintf+0x1fa/0x1cd0 [ 333.303497][ T3183] dump_stack+0x15/0x17 [ 333.307649][ T3183] should_fail+0x3c0/0x510 [ 333.312140][ T3183] should_fail_usercopy+0x1a/0x20 [ 333.315588][ T3188] FAULT_INJECTION: forcing a failure. [ 333.315588][ T3188] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 333.317154][ T3183] _copy_from_user+0x20/0xd0 [ 333.334968][ T3183] kstrtouint_from_user+0xd7/0x2b0 [ 333.340068][ T3183] ? kstrtol_from_user+0x310/0x310 [ 333.345343][ T3183] ? snprintf+0xd6/0x120 [ 333.349756][ T3183] ? avc_policy_seqno+0x1b/0x70 [ 333.354780][ T3183] ? selinux_file_permission+0x2a9/0x520 [ 333.360598][ T3183] proc_fail_nth_write+0xa5/0x290 [ 333.365700][ T3183] ? security_file_permission+0x9d/0xc0 [ 333.371801][ T3183] ? proc_fail_nth_read+0x220/0x220 [ 333.377219][ T3183] ? security_file_permission+0xa8/0xc0 [ 333.383013][ T3183] ? rw_verify_area+0x1c2/0x360 [ 333.388138][ T3183] ? proc_fail_nth_read+0x220/0x220 [ 333.393427][ T3183] vfs_write+0x39b/0xf80 [ 333.397666][ T3183] ? kernel_write+0x420/0x420 [ 333.402542][ T3183] ? __kasan_check_write+0x14/0x20 [ 333.408008][ T3183] ? mutex_lock+0xb2/0x1e0 [ 333.413044][ T3183] ? mutex_trylock+0x180/0x180 [ 333.417802][ T3183] ? __fdget_pos+0x26d/0x310 [ 333.422742][ T3183] ? ksys_write+0x77/0x2c0 [ 333.427671][ T3183] ksys_write+0x198/0x2c0 [ 333.432083][ T3183] ? __ia32_sys_read+0x90/0x90 [ 333.437003][ T3183] ? debug_smp_processor_id+0x17/0x20 [ 333.442366][ T3183] __x64_sys_write+0x7b/0x90 [ 333.447210][ T3183] do_syscall_64+0x34/0x70 [ 333.451638][ T3183] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 333.457609][ T3183] RIP: 0033:0x7f6ebe0d0b5f [ 333.462013][ T3183] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 333.481605][ T3183] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 333.490004][ T3183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 333.498083][ T3183] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 333.506062][ T3183] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 333.514135][ T3183] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 333.522111][ T3183] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 333.531779][ T3187] CPU: 1 PID: 3187 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 333.542279][ T3187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 333.552424][ T3187] Call Trace: [ 333.555876][ T3187] dump_stack_lvl+0x1e2/0x24b [ 333.560580][ T3187] ? bfq_pos_tree_add_move+0x43e/0x43e [ 333.566015][ T3187] ? vsnprintf+0x1fa/0x1cd0 [ 333.570584][ T3187] dump_stack+0x15/0x17 [ 333.574802][ T3187] should_fail+0x3c0/0x510 [ 333.579256][ T3187] should_fail_usercopy+0x1a/0x20 [ 333.584344][ T3187] _copy_from_user+0x20/0xd0 [ 333.588999][ T3187] kstrtouint_from_user+0xd7/0x2b0 [ 333.594107][ T3187] ? kstrtol_from_user+0x310/0x310 [ 333.599208][ T3187] ? snprintf+0xd6/0x120 [ 333.603458][ T3187] ? avc_policy_seqno+0x1b/0x70 [ 333.608477][ T3187] ? selinux_file_permission+0x2a9/0x520 [ 333.614091][ T3187] proc_fail_nth_write+0xa5/0x290 [ 333.619179][ T3187] ? security_file_permission+0x9d/0xc0 [ 333.624788][ T3187] ? proc_fail_nth_read+0x220/0x220 [ 333.629959][ T3187] ? security_file_permission+0xa8/0xc0 [ 333.635486][ T3187] ? rw_verify_area+0x1c2/0x360 [ 333.640336][ T3187] ? proc_fail_nth_read+0x220/0x220 [ 333.645529][ T3187] vfs_write+0x39b/0xf80 [ 333.649776][ T3187] ? kernel_write+0x420/0x420 [ 333.655051][ T3187] ? __kasan_check_write+0x14/0x20 [ 333.660162][ T3187] ? mutex_lock+0xb2/0x1e0 [ 333.664734][ T3187] ? mutex_trylock+0x180/0x180 [ 333.669563][ T3187] ? __fdget_pos+0x26d/0x310 [ 333.674317][ T3187] ? ksys_write+0x77/0x2c0 [ 333.678812][ T3187] ksys_write+0x198/0x2c0 [ 333.683144][ T3187] ? __ia32_sys_read+0x90/0x90 [ 333.688169][ T3187] ? debug_smp_processor_id+0x17/0x20 [ 333.693516][ T3187] __x64_sys_write+0x7b/0x90 [ 333.698270][ T3187] do_syscall_64+0x34/0x70 [ 333.702761][ T3187] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 333.708624][ T3187] RIP: 0033:0x7f7d1c31ab5f [ 333.713115][ T3187] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 333.735160][ T3187] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 333.744965][ T3187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 333.753026][ T3187] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 333.763357][ T3187] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 333.771313][ T3187] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 333.779282][ T3187] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 333.788485][ T3194] FAULT_INJECTION: forcing a failure. [ 333.788485][ T3194] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 333.791391][ T3188] CPU: 1 PID: 3188 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 333.812974][ T3188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 333.823277][ T3188] Call Trace: [ 333.826555][ T3188] dump_stack_lvl+0x1e2/0x24b [ 333.831567][ T3188] ? bfq_pos_tree_add_move+0x43e/0x43e [ 333.837011][ T3188] ? vsnprintf+0x1fa/0x1cd0 [ 333.841498][ T3188] dump_stack+0x15/0x17 [ 333.845636][ T3188] should_fail+0x3c0/0x510 [ 333.850032][ T3188] should_fail_usercopy+0x1a/0x20 [ 333.855160][ T3188] _copy_from_user+0x20/0xd0 [ 333.859838][ T3188] kstrtouint_from_user+0xd7/0x2b0 [ 333.864952][ T3188] ? kstrtol_from_user+0x310/0x310 [ 333.870073][ T3188] ? snprintf+0xd6/0x120 [ 333.874556][ T3188] ? avc_policy_seqno+0x1b/0x70 [ 333.879398][ T3188] ? selinux_file_permission+0x2a9/0x520 [ 333.885113][ T3188] proc_fail_nth_write+0xa5/0x290 [ 333.890320][ T3188] ? security_file_permission+0x9d/0xc0 [ 333.895957][ T3188] ? proc_fail_nth_read+0x220/0x220 [ 333.901398][ T3188] ? security_file_permission+0xa8/0xc0 [ 333.906950][ T3188] ? rw_verify_area+0x1c2/0x360 [ 333.912040][ T3188] ? proc_fail_nth_read+0x220/0x220 [ 333.917360][ T3188] vfs_write+0x39b/0xf80 [ 333.921676][ T3188] ? kernel_write+0x420/0x420 [ 333.926334][ T3188] ? __kasan_check_write+0x14/0x20 [ 333.931513][ T3188] ? mutex_lock+0xb2/0x1e0 [ 333.935920][ T3188] ? mutex_trylock+0x180/0x180 [ 333.940753][ T3188] ? __fdget_pos+0x26d/0x310 [ 333.945347][ T3188] ? ksys_write+0x77/0x2c0 [ 333.949747][ T3188] ksys_write+0x198/0x2c0 [ 333.954066][ T3188] ? __ia32_sys_read+0x90/0x90 [ 333.960950][ T3188] ? debug_smp_processor_id+0x17/0x20 [ 333.966659][ T3188] __x64_sys_write+0x7b/0x90 [ 333.971316][ T3188] do_syscall_64+0x34/0x70 [ 333.975730][ T3188] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 333.981603][ T3188] RIP: 0033:0x7f022ab05b5f [ 333.986321][ T3188] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 334.006448][ T3188] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 334.015112][ T3188] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 334.023348][ T3188] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 334.031578][ T3188] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 334.039885][ T3188] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 334.048624][ T3188] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 334.056673][ T3178] CPU: 0 PID: 3178 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 334.067449][ T3178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 334.078537][ T3178] Call Trace: [ 334.082106][ T3178] dump_stack_lvl+0x1e2/0x24b [ 334.086758][ T3178] ? bfq_pos_tree_add_move+0x43e/0x43e [ 334.092297][ T3178] ? vsnprintf+0x1fa/0x1cd0 [ 334.096881][ T3178] dump_stack+0x15/0x17 [ 334.101013][ T3178] should_fail+0x3c0/0x510 [ 334.105406][ T3178] should_fail_usercopy+0x1a/0x20 [ 334.110491][ T3178] _copy_from_user+0x20/0xd0 [ 334.115077][ T3178] kstrtouint_from_user+0xd7/0x2b0 [ 334.120266][ T3178] ? kstrtol_from_user+0x310/0x310 [ 334.125466][ T3178] ? snprintf+0xd6/0x120 [ 334.129995][ T3178] ? avc_policy_seqno+0x1b/0x70 [ 334.135022][ T3178] ? selinux_file_permission+0x2a9/0x520 [ 334.140845][ T3178] proc_fail_nth_write+0xa5/0x290 [ 334.146066][ T3178] ? security_file_permission+0x9d/0xc0 [ 334.151789][ T3178] ? proc_fail_nth_read+0x220/0x220 [ 334.157758][ T3178] ? security_file_permission+0xa8/0xc0 [ 334.163381][ T3178] ? rw_verify_area+0x1c2/0x360 [ 334.168294][ T3178] ? proc_fail_nth_read+0x220/0x220 [ 334.173568][ T3178] vfs_write+0x39b/0xf80 [ 334.177941][ T3178] ? kernel_write+0x420/0x420 [ 334.182686][ T3178] ? __kasan_check_write+0x14/0x20 [ 334.188296][ T3178] ? mutex_lock+0xb2/0x1e0 [ 334.192881][ T3178] ? mutex_trylock+0x180/0x180 [ 334.197743][ T3178] ? __fdget_pos+0x26d/0x310 [ 334.202603][ T3178] ? ksys_write+0x77/0x2c0 [ 334.207009][ T3178] ksys_write+0x198/0x2c0 [ 334.211598][ T3178] ? __ia32_sys_read+0x90/0x90 [ 334.216429][ T3178] ? debug_smp_processor_id+0x17/0x20 [ 334.222391][ T3178] __x64_sys_write+0x7b/0x90 [ 334.227057][ T3178] do_syscall_64+0x34/0x70 [ 334.231450][ T3178] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 334.237601][ T3178] RIP: 0033:0x7f869ba6eb5f [ 334.242274][ T3178] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 334.262234][ T3178] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 334.270896][ T3178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 334.279022][ T3178] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 334.286971][ T3178] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 334.295280][ T3178] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 334.303401][ T3178] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 334.319533][ T3196] FAULT_INJECTION: forcing a failure. [ 334.319533][ T3196] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 334.332711][ T3194] CPU: 1 PID: 3194 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 334.343880][ T3194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 334.354573][ T3194] Call Trace: [ 334.357876][ T3194] dump_stack_lvl+0x1e2/0x24b [ 334.362643][ T3194] ? bfq_pos_tree_add_move+0x43e/0x43e [ 334.368168][ T3194] ? vsnprintf+0x1fa/0x1cd0 [ 334.373209][ T3194] dump_stack+0x15/0x17 [ 334.377463][ T3194] should_fail+0x3c0/0x510 [ 334.382008][ T3194] should_fail_usercopy+0x1a/0x20 [ 334.386723][ T3202] FAULT_INJECTION: forcing a failure. [ 334.386723][ T3202] name failslab, interval 1, probability 0, space 0, times 0 [ 334.387354][ T3194] _copy_from_user+0x20/0xd0 [ 334.387372][ T3194] kstrtouint_from_user+0xd7/0x2b0 [ 334.410264][ T3194] ? kstrtol_from_user+0x310/0x310 [ 334.415542][ T3194] ? snprintf+0xd6/0x120 [ 334.419872][ T3194] ? avc_policy_seqno+0x1b/0x70 [ 334.424843][ T3194] ? selinux_file_permission+0x2a9/0x520 [ 334.430904][ T3194] proc_fail_nth_write+0xa5/0x290 [ 334.436003][ T3194] ? security_file_permission+0x9d/0xc0 [ 334.441527][ T3194] ? proc_fail_nth_read+0x220/0x220 [ 334.446717][ T3194] ? security_file_permission+0xa8/0xc0 [ 334.452463][ T3194] ? rw_verify_area+0x1c2/0x360 [ 334.457500][ T3194] ? proc_fail_nth_read+0x220/0x220 [ 334.462769][ T3194] vfs_write+0x39b/0xf80 [ 334.466997][ T3194] ? kernel_write+0x420/0x420 [ 334.471664][ T3194] ? __kasan_check_write+0x14/0x20 [ 334.476973][ T3194] ? mutex_lock+0xb2/0x1e0 [ 334.481372][ T3194] ? mutex_trylock+0x180/0x180 [ 334.486119][ T3194] ? __fdget_pos+0x26d/0x310 [ 334.491082][ T3194] ? ksys_write+0x77/0x2c0 [ 334.495653][ T3194] ksys_write+0x198/0x2c0 [ 334.500224][ T3194] ? __ia32_sys_read+0x90/0x90 [ 334.504971][ T3194] ? debug_smp_processor_id+0x17/0x20 [ 334.510408][ T3194] __x64_sys_write+0x7b/0x90 [ 334.514976][ T3194] do_syscall_64+0x34/0x70 [ 334.519390][ T3194] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 334.525291][ T3194] RIP: 0033:0x7faa22393b5f [ 334.529779][ T3194] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 334.550988][ T3194] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 334.560195][ T3194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 334.568177][ T3194] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 334.576419][ T3194] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 334.584469][ T3194] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 334.592429][ T3194] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 334.600393][ T3202] CPU: 0 PID: 3202 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 334.610885][ T3202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 334.621107][ T3202] Call Trace: [ 334.624656][ T3202] dump_stack_lvl+0x1e2/0x24b [ 334.629593][ T3202] ? panic+0x7d7/0x7d7 [ 334.633914][ T3202] ? bfq_pos_tree_add_move+0x43e/0x43e [ 334.639660][ T3202] ? find_next_bit+0xd6/0x120 [ 334.644791][ T3202] ? cpumask_next+0x11/0x30 [ 334.649485][ T3202] dump_stack+0x15/0x17 [ 334.653717][ T3202] should_fail+0x3c0/0x510 [ 334.658150][ T3202] ? percpu_ref_init+0xd0/0x340 [ 334.663016][ T3202] __should_failslab+0x9f/0xe0 [ 334.667770][ T3202] should_failslab+0x9/0x20 [ 334.672266][ T3202] kmem_cache_alloc_trace+0x3a/0x330 [ 334.677538][ T3202] percpu_ref_init+0xd0/0x340 [ 334.682214][ T3202] ? cgroup_setup_root+0xea0/0xea0 [ 334.687385][ T3202] cgroup_apply_control_enable+0x3a2/0x12f0 [ 334.693527][ T3202] ? cgroup_reconfigure+0xe0/0xe0 [ 334.698534][ T3202] cgroup_apply_control+0x8e/0x7e0 [ 334.703628][ T3202] ? css_next_child+0x160/0x160 [ 334.708475][ T3202] ? io_schedule+0x120/0x120 [ 334.713047][ T3202] ? kernfs_fop_write_iter+0x15e/0x410 [ 334.718490][ T3202] ? __kasan_check_write+0x14/0x20 [ 334.723685][ T3202] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 334.729099][ T3202] cgroup_subtree_control_write+0xd19/0x1310 [ 334.735150][ T3202] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 334.741291][ T3202] ? __kasan_check_write+0x14/0x20 [ 334.746654][ T3202] ? _copy_from_iter+0x3fb/0xd60 [ 334.751761][ T3202] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 334.758168][ T3202] cgroup_file_write+0x28e/0x590 [ 334.763221][ T3202] ? cgroup_seqfile_stop+0xc0/0xc0 [ 334.768334][ T3202] ? mutex_trylock+0x180/0x180 [ 334.773130][ T3202] ? __kasan_check_write+0x14/0x20 [ 334.778374][ T3202] kernfs_fop_write_iter+0x2d0/0x410 [ 334.784059][ T3202] ? cgroup_seqfile_stop+0xc0/0xc0 [ 334.789272][ T3202] vfs_write+0xc4a/0xf80 [ 334.793688][ T3202] ? kernel_write+0x420/0x420 [ 334.798526][ T3202] ? mutex_lock+0xb2/0x1e0 [ 334.802922][ T3202] ? mutex_trylock+0x180/0x180 [ 334.807782][ T3202] ? __fdget_pos+0x26d/0x310 [ 334.812351][ T3202] ? ksys_write+0x77/0x2c0 [ 334.816752][ T3202] ksys_write+0x198/0x2c0 [ 334.821152][ T3202] ? __ia32_sys_read+0x90/0x90 [ 334.825900][ T3202] ? debug_smp_processor_id+0x17/0x20 [ 334.831462][ T3202] __x64_sys_write+0x7b/0x90 [ 334.836639][ T3202] do_syscall_64+0x34/0x70 [ 334.841038][ T3202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 334.846918][ T3202] RIP: 0033:0x7f85191c4049 [ 334.851422][ T3202] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 334.871561][ T3202] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 334.880220][ T3202] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 334.888186][ T3202] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 334.896230][ T3202] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 334.904374][ T3202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 334.912587][ T3202] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 334.920665][ T3196] CPU: 1 PID: 3196 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 334.931074][ T3196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 334.932967][ T3198] FAULT_INJECTION: forcing a failure. [ 334.932967][ T3198] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 334.941204][ T3196] Call Trace: [ 334.941224][ T3196] dump_stack_lvl+0x1e2/0x24b [ 334.941236][ T3196] ? bfq_pos_tree_add_move+0x43e/0x43e [ 334.941245][ T3196] ? vsnprintf+0x1fa/0x1cd0 [ 334.941254][ T3196] dump_stack+0x15/0x17 [ 334.941271][ T3196] should_fail+0x3c0/0x510 [ 334.965723][ T3210] FAULT_INJECTION: forcing a failure. [ 334.965723][ T3210] name failslab, interval 1, probability 0, space 0, times 0 [ 334.968208][ T3196] should_fail_usercopy+0x1a/0x20 [ 334.968219][ T3196] _copy_from_user+0x20/0xd0 [ 334.968229][ T3196] kstrtouint_from_user+0xd7/0x2b0 [ 334.968245][ T3196] ? kstrtol_from_user+0x310/0x310 [ 335.015560][ T3196] ? snprintf+0xd6/0x120 [ 335.019796][ T3196] ? avc_policy_seqno+0x1b/0x70 [ 335.025414][ T3196] ? selinux_file_permission+0x2a9/0x520 [ 335.031040][ T3196] proc_fail_nth_write+0xa5/0x290 [ 335.036053][ T3196] ? security_file_permission+0x9d/0xc0 [ 335.041875][ T3196] ? proc_fail_nth_read+0x220/0x220 [ 335.047147][ T3196] ? security_file_permission+0xa8/0xc0 [ 335.052680][ T3196] ? rw_verify_area+0x1c2/0x360 [ 335.057511][ T3196] ? proc_fail_nth_read+0x220/0x220 [ 335.062690][ T3196] vfs_write+0x39b/0xf80 [ 335.066919][ T3196] ? kernel_write+0x420/0x420 [ 335.071853][ T3196] ? __kasan_check_write+0x14/0x20 [ 335.077292][ T3196] ? mutex_lock+0xb2/0x1e0 [ 335.081695][ T3196] ? mutex_trylock+0x180/0x180 [ 335.086488][ T3196] ? __fdget_pos+0x26d/0x310 [ 335.091544][ T3196] ? ksys_write+0x77/0x2c0 [ 335.096144][ T3196] ksys_write+0x198/0x2c0 [ 335.100458][ T3196] ? __ia32_sys_read+0x90/0x90 [ 335.105205][ T3196] ? debug_smp_processor_id+0x17/0x20 [ 335.110558][ T3196] __x64_sys_write+0x7b/0x90 [ 335.115217][ T3196] do_syscall_64+0x34/0x70 [ 335.119626][ T3196] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 335.125502][ T3196] RIP: 0033:0x7f7d1c31ab5f [ 335.129909][ T3196] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 335.150627][ T3196] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 335.159116][ T3196] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 335.167103][ T3196] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 335.175235][ T3196] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 335.183202][ T3196] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 335.191344][ T3196] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 335.199364][ T3198] CPU: 0 PID: 3198 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 335.209782][ T3198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 335.220345][ T3198] Call Trace: [ 335.223792][ T3198] dump_stack_lvl+0x1e2/0x24b [ 335.228447][ T3198] ? bfq_pos_tree_add_move+0x43e/0x43e [ 335.233991][ T3198] ? vsnprintf+0x1fa/0x1cd0 [ 335.238472][ T3198] dump_stack+0x15/0x17 [ 335.242705][ T3198] should_fail+0x3c0/0x510 [ 335.247297][ T3198] should_fail_usercopy+0x1a/0x20 [ 335.252305][ T3198] _copy_from_user+0x20/0xd0 [ 335.256888][ T3198] kstrtouint_from_user+0xd7/0x2b0 [ 335.262167][ T3198] ? kstrtol_from_user+0x310/0x310 [ 335.267549][ T3198] ? snprintf+0xd6/0x120 [ 335.272084][ T3198] ? avc_policy_seqno+0x1b/0x70 [ 335.277102][ T3198] ? selinux_file_permission+0x2a9/0x520 [ 335.283082][ T3198] proc_fail_nth_write+0xa5/0x290 [ 335.288183][ T3198] ? security_file_permission+0x9d/0xc0 [ 335.293707][ T3198] ? proc_fail_nth_read+0x220/0x220 [ 335.298982][ T3198] ? security_file_permission+0xa8/0xc0 [ 335.304700][ T3198] ? rw_verify_area+0x1c2/0x360 [ 335.309527][ T3198] ? proc_fail_nth_read+0x220/0x220 [ 335.314785][ T3198] vfs_write+0x39b/0xf80 [ 335.319099][ T3198] ? kernel_write+0x420/0x420 [ 335.323835][ T3198] ? __kasan_check_write+0x14/0x20 [ 335.328918][ T3198] ? mutex_lock+0xb2/0x1e0 [ 335.333392][ T3198] ? mutex_trylock+0x180/0x180 [ 335.338218][ T3198] ? __fdget_pos+0x26d/0x310 [ 335.342868][ T3198] ? ksys_write+0x77/0x2c0 [ 335.347261][ T3198] ksys_write+0x198/0x2c0 [ 335.351565][ T3198] ? __kasan_check_write+0x14/0x20 [ 335.356648][ T3198] ? __ia32_sys_read+0x90/0x90 [ 335.361400][ T3198] ? debug_smp_processor_id+0x17/0x20 [ 335.367569][ T3198] __x64_sys_write+0x7b/0x90 [ 335.373186][ T3198] do_syscall_64+0x34/0x70 [ 335.377852][ T3198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 335.384099][ T3198] RIP: 0033:0x7f6ebe0d0b5f [ 335.388667][ T3198] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 335.411079][ T3198] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 335.420166][ T3198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 335.429178][ T3198] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 335.437818][ T3198] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 335.446132][ T3198] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 335.454568][ T3198] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 335.464909][ T3210] CPU: 1 PID: 3210 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 335.475503][ T3210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 335.485586][ T3210] Call Trace: [ 335.488875][ T3210] dump_stack_lvl+0x1e2/0x24b [ 335.493765][ T3210] ? panic+0x7d7/0x7d7 [ 335.497833][ T3210] ? bfq_pos_tree_add_move+0x43e/0x43e [ 335.503623][ T3210] ? find_next_bit+0xd6/0x120 [ 335.508295][ T3210] ? cpumask_next+0x11/0x30 [ 335.512838][ T3210] dump_stack+0x15/0x17 [ 335.516981][ T3210] should_fail+0x3c0/0x510 [ 335.521389][ T3210] ? percpu_ref_init+0xd0/0x340 [ 335.526334][ T3210] __should_failslab+0x9f/0xe0 [ 335.531206][ T3210] should_failslab+0x9/0x20 [ 335.536255][ T3210] kmem_cache_alloc_trace+0x3a/0x330 [ 335.541787][ T3210] percpu_ref_init+0xd0/0x340 [ 335.546737][ T3210] ? cgroup_setup_root+0xea0/0xea0 [ 335.551938][ T3210] cgroup_apply_control_enable+0x3a2/0x12f0 [ 335.557912][ T3210] ? cgroup_reconfigure+0xe0/0xe0 [ 335.563068][ T3210] cgroup_apply_control+0x8e/0x7e0 [ 335.568163][ T3210] ? css_next_child+0x160/0x160 [ 335.573000][ T3210] ? io_schedule+0x120/0x120 [ 335.577584][ T3210] ? kernfs_fop_write_iter+0x15e/0x410 [ 335.583029][ T3210] ? __kasan_check_write+0x14/0x20 [ 335.588405][ T3210] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 335.593691][ T3210] cgroup_subtree_control_write+0xd19/0x1310 [ 335.599927][ T3210] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 335.605930][ T3210] ? __kasan_check_write+0x14/0x20 [ 335.611204][ T3210] ? _copy_from_iter+0x3fb/0xd60 [ 335.616182][ T3210] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 335.622338][ T3210] cgroup_file_write+0x28e/0x590 [ 335.627559][ T3210] ? cgroup_seqfile_stop+0xc0/0xc0 [ 335.632662][ T3210] ? mutex_trylock+0x180/0x180 [ 335.637508][ T3210] ? __kasan_check_write+0x14/0x20 [ 335.642619][ T3210] kernfs_fop_write_iter+0x2d0/0x410 [ 335.647911][ T3210] ? cgroup_seqfile_stop+0xc0/0xc0 [ 335.654017][ T3210] vfs_write+0xc4a/0xf80 [ 335.658438][ T3210] ? kernel_write+0x420/0x420 [ 335.663287][ T3210] ? mutex_lock+0xb2/0x1e0 [ 335.667686][ T3210] ? mutex_trylock+0x180/0x180 [ 335.672614][ T3210] ? __fdget_pos+0x26d/0x310 [ 335.677835][ T3210] ? ksys_write+0x77/0x2c0 [ 335.682714][ T3210] ksys_write+0x198/0x2c0 [ 335.687669][ T3210] ? __ia32_sys_read+0x90/0x90 [ 335.693207][ T3210] ? debug_smp_processor_id+0x17/0x20 [ 335.699868][ T3210] __x64_sys_write+0x7b/0x90 [ 335.705000][ T3210] do_syscall_64+0x34/0x70 [ 335.709413][ T3210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 335.715696][ T3210] RIP: 0033:0x7f85191c4049 [ 335.720550][ T3210] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 335.741509][ T3210] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 335.750119][ T3210] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 335.758806][ T3210] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 335.767124][ T3210] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 335.775366][ T3210] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 335.785310][ T3210] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 335.805986][ T3213] FAULT_INJECTION: forcing a failure. [ 335.805986][ T3213] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 335.820836][ T3215] FAULT_INJECTION: forcing a failure. [ 335.820836][ T3215] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 335.824990][ T3213] CPU: 0 PID: 3213 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 335.846083][ T3213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 335.856495][ T3213] Call Trace: [ 335.859794][ T3213] dump_stack_lvl+0x1e2/0x24b [ 335.864856][ T3213] ? bfq_pos_tree_add_move+0x43e/0x43e [ 335.870328][ T3213] ? vsnprintf+0x1fa/0x1cd0 [ 335.875434][ T3213] dump_stack+0x15/0x17 [ 335.875500][ T3223] FAULT_INJECTION: forcing a failure. [ 335.875500][ T3223] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 335.880007][ T3213] should_fail+0x3c0/0x510 [ 335.880016][ T3213] should_fail_usercopy+0x1a/0x20 [ 335.880026][ T3213] _copy_from_user+0x20/0xd0 [ 335.880036][ T3213] kstrtouint_from_user+0xd7/0x2b0 [ 335.880045][ T3213] ? kstrtol_from_user+0x310/0x310 [ 335.880054][ T3213] ? snprintf+0xd6/0x120 [ 335.880072][ T3213] ? avc_policy_seqno+0x1b/0x70 [ 335.929463][ T3213] ? selinux_file_permission+0x2a9/0x520 [ 335.935178][ T3213] proc_fail_nth_write+0xa5/0x290 [ 335.940189][ T3213] ? security_file_permission+0x9d/0xc0 [ 335.945728][ T3213] ? proc_fail_nth_read+0x220/0x220 [ 335.951082][ T3213] ? security_file_permission+0xa8/0xc0 [ 335.956611][ T3213] ? rw_verify_area+0x1c2/0x360 [ 335.961453][ T3213] ? proc_fail_nth_read+0x220/0x220 [ 335.965365][ T3219] FAULT_INJECTION: forcing a failure. [ 335.965365][ T3219] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 335.966809][ T3213] vfs_write+0x39b/0xf80 [ 335.966820][ T3213] ? kernel_write+0x420/0x420 [ 335.966836][ T3213] ? __kasan_check_write+0x14/0x20 [ 335.995004][ T3213] ? mutex_lock+0xb2/0x1e0 [ 335.999497][ T3213] ? mutex_trylock+0x180/0x180 [ 336.004522][ T3213] ? __fdget_pos+0x26d/0x310 [ 336.009237][ T3213] ? ksys_write+0x77/0x2c0 [ 336.013778][ T3213] ksys_write+0x198/0x2c0 [ 336.018359][ T3213] ? __kasan_check_write+0x14/0x20 [ 336.023561][ T3213] ? __ia32_sys_read+0x90/0x90 [ 336.028312][ T3213] ? debug_smp_processor_id+0x17/0x20 [ 336.033774][ T3213] __x64_sys_write+0x7b/0x90 [ 336.038537][ T3213] do_syscall_64+0x34/0x70 [ 336.042947][ T3213] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 336.048998][ T3213] RIP: 0033:0x7f7d1c31ab5f [ 336.053433][ T3213] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 336.073852][ T3213] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 336.082311][ T3213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 336.090380][ T3213] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 336.098353][ T3213] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 336.106329][ T3213] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 336.114382][ T3213] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 336.122351][ T3219] CPU: 1 PID: 3219 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 336.132773][ T3219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 336.142929][ T3219] Call Trace: [ 336.146215][ T3219] dump_stack_lvl+0x1e2/0x24b [ 336.151032][ T3219] ? bfq_pos_tree_add_move+0x43e/0x43e [ 336.156478][ T3219] ? vsnprintf+0x1fa/0x1cd0 [ 336.161050][ T3219] dump_stack+0x15/0x17 [ 336.165182][ T3219] should_fail+0x3c0/0x510 [ 336.169759][ T3219] should_fail_usercopy+0x1a/0x20 [ 336.174855][ T3219] _copy_from_user+0x20/0xd0 [ 336.179424][ T3219] kstrtouint_from_user+0xd7/0x2b0 [ 336.184597][ T3219] ? kstrtol_from_user+0x310/0x310 [ 336.189682][ T3219] ? snprintf+0xd6/0x120 [ 336.194000][ T3219] ? avc_policy_seqno+0x1b/0x70 [ 336.199072][ T3219] ? selinux_file_permission+0x2a9/0x520 [ 336.204901][ T3219] proc_fail_nth_write+0xa5/0x290 [ 336.209902][ T3219] ? security_file_permission+0x9d/0xc0 [ 336.215425][ T3219] ? proc_fail_nth_read+0x220/0x220 [ 336.220599][ T3219] ? security_file_permission+0xa8/0xc0 [ 336.226123][ T3219] ? rw_verify_area+0x1c2/0x360 [ 336.230953][ T3219] ? proc_fail_nth_read+0x220/0x220 [ 336.236130][ T3219] vfs_write+0x39b/0xf80 [ 336.240439][ T3219] ? kernel_write+0x420/0x420 [ 336.245107][ T3219] ? __kasan_check_write+0x14/0x20 [ 336.250397][ T3219] ? mutex_lock+0xb2/0x1e0 [ 336.254946][ T3219] ? mutex_trylock+0x180/0x180 [ 336.259789][ T3219] ? __fdget_pos+0x26d/0x310 [ 336.264441][ T3219] ? ksys_write+0x77/0x2c0 [ 336.268896][ T3219] ksys_write+0x198/0x2c0 [ 336.273293][ T3219] ? __ia32_sys_read+0x90/0x90 [ 336.278035][ T3219] ? debug_smp_processor_id+0x17/0x20 [ 336.283730][ T3219] __x64_sys_write+0x7b/0x90 [ 336.288490][ T3219] do_syscall_64+0x34/0x70 [ 336.292986][ T3219] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 336.298883][ T3219] RIP: 0033:0x7f022ab05b5f [ 336.303277][ T3219] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 336.323362][ T3219] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 336.332719][ T3219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 336.340843][ T3219] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 336.348878][ T3219] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 336.356831][ T3219] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 336.364883][ T3219] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 336.375436][ T3217] FAULT_INJECTION: forcing a failure. [ 336.375436][ T3217] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 336.379700][ T3215] CPU: 1 PID: 3215 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 336.392792][ T3221] FAULT_INJECTION: forcing a failure. [ 336.392792][ T3221] name failslab, interval 1, probability 0, space 0, times 0 [ 336.399034][ T3215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 336.399039][ T3215] Call Trace: [ 336.399055][ T3215] dump_stack_lvl+0x1e2/0x24b [ 336.399073][ T3215] ? bfq_pos_tree_add_move+0x43e/0x43e [ 336.436054][ T3215] ? vsnprintf+0x1fa/0x1cd0 [ 336.440628][ T3215] dump_stack+0x15/0x17 [ 336.444861][ T3215] should_fail+0x3c0/0x510 [ 336.449346][ T3215] should_fail_usercopy+0x1a/0x20 [ 336.454542][ T3215] _copy_from_user+0x20/0xd0 [ 336.459119][ T3215] kstrtouint_from_user+0xd7/0x2b0 [ 336.464243][ T3215] ? kstrtol_from_user+0x310/0x310 [ 336.469426][ T3215] ? snprintf+0xd6/0x120 [ 336.474001][ T3215] ? avc_policy_seqno+0x1b/0x70 [ 336.481500][ T3215] ? selinux_file_permission+0x2a9/0x520 [ 336.487207][ T3215] proc_fail_nth_write+0xa5/0x290 [ 336.492249][ T3215] ? security_file_permission+0x9d/0xc0 [ 336.497864][ T3215] ? proc_fail_nth_read+0x220/0x220 [ 336.503174][ T3215] ? security_file_permission+0xa8/0xc0 [ 336.508962][ T3215] ? rw_verify_area+0x1c2/0x360 [ 336.513795][ T3215] ? proc_fail_nth_read+0x220/0x220 [ 336.518997][ T3215] vfs_write+0x39b/0xf80 [ 336.523221][ T3215] ? kernel_write+0x420/0x420 [ 336.527999][ T3215] ? __kasan_check_write+0x14/0x20 [ 336.533105][ T3215] ? mutex_lock+0xb2/0x1e0 [ 336.537766][ T3215] ? mutex_trylock+0x180/0x180 [ 336.542613][ T3215] ? __fdget_pos+0x26d/0x310 [ 336.547216][ T3215] ? ksys_write+0x77/0x2c0 [ 336.551640][ T3215] ksys_write+0x198/0x2c0 [ 336.556597][ T3215] ? __kasan_check_write+0x14/0x20 [ 336.561786][ T3215] ? __ia32_sys_read+0x90/0x90 [ 336.566627][ T3215] ? debug_smp_processor_id+0x17/0x20 [ 336.572071][ T3215] __x64_sys_write+0x7b/0x90 [ 336.576669][ T3215] do_syscall_64+0x34/0x70 [ 336.581281][ T3215] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 336.587248][ T3215] RIP: 0033:0x7f6ebe0d0b5f [ 336.591745][ T3215] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 336.612063][ T3215] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 336.620645][ T3215] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 336.629080][ T3215] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 336.637126][ T3215] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 336.645085][ T3215] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 336.653219][ T3215] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 336.661271][ T3221] CPU: 0 PID: 3221 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 336.672199][ T3221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 336.682807][ T3221] Call Trace: [ 336.686094][ T3221] dump_stack_lvl+0x1e2/0x24b [ 336.691101][ T3221] ? panic+0x7d7/0x7d7 [ 336.695513][ T3221] ? bfq_pos_tree_add_move+0x43e/0x43e [ 336.701221][ T3221] ? find_next_bit+0xd6/0x120 [ 336.705875][ T3221] ? cpumask_next+0x11/0x30 [ 336.710381][ T3221] dump_stack+0x15/0x17 [ 336.714641][ T3221] should_fail+0x3c0/0x510 [ 336.719204][ T3221] ? percpu_ref_init+0xd0/0x340 [ 336.724112][ T3221] __should_failslab+0x9f/0xe0 [ 336.728870][ T3221] should_failslab+0x9/0x20 [ 336.733366][ T3221] kmem_cache_alloc_trace+0x3a/0x330 [ 336.739062][ T3221] percpu_ref_init+0xd0/0x340 [ 336.743746][ T3221] ? cgroup_setup_root+0xea0/0xea0 [ 336.748856][ T3221] cgroup_apply_control_enable+0x3a2/0x12f0 [ 336.754843][ T3221] ? cgroup_reconfigure+0xe0/0xe0 [ 336.760127][ T3221] cgroup_apply_control+0x8e/0x7e0 [ 336.765321][ T3221] ? css_next_child+0x160/0x160 [ 336.770696][ T3221] ? io_schedule+0x120/0x120 [ 336.775422][ T3221] ? kernfs_fop_write_iter+0x15e/0x410 [ 336.781044][ T3221] ? __kasan_check_write+0x14/0x20 [ 336.786145][ T3221] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 336.791435][ T3221] cgroup_subtree_control_write+0xd19/0x1310 [ 336.797400][ T3221] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 336.803595][ T3221] ? __kasan_check_write+0x14/0x20 [ 336.808708][ T3221] ? _copy_from_iter+0x3fb/0xd60 [ 336.813841][ T3221] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 336.820067][ T3221] cgroup_file_write+0x28e/0x590 [ 336.825450][ T3221] ? cgroup_seqfile_stop+0xc0/0xc0 [ 336.830554][ T3221] ? mutex_trylock+0x180/0x180 [ 336.835317][ T3221] ? __kasan_check_write+0x14/0x20 [ 336.840923][ T3221] kernfs_fop_write_iter+0x2d0/0x410 [ 336.846312][ T3221] ? cgroup_seqfile_stop+0xc0/0xc0 [ 336.851527][ T3221] vfs_write+0xc4a/0xf80 [ 336.855845][ T3221] ? kernel_write+0x420/0x420 [ 336.860593][ T3221] ? mutex_lock+0xb2/0x1e0 [ 336.864993][ T3221] ? mutex_trylock+0x180/0x180 [ 336.869832][ T3221] ? __fdget_pos+0x26d/0x310 [ 336.874488][ T3221] ? ksys_write+0x77/0x2c0 [ 336.878907][ T3221] ksys_write+0x198/0x2c0 [ 336.883237][ T3221] ? __ia32_sys_read+0x90/0x90 [ 336.888003][ T3221] ? debug_smp_processor_id+0x17/0x20 [ 336.893492][ T3221] __x64_sys_write+0x7b/0x90 [ 336.898249][ T3221] do_syscall_64+0x34/0x70 [ 336.902763][ T3221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 336.908653][ T3221] RIP: 0033:0x7f85191c4049 [ 336.913378][ T3221] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 336.933703][ T3221] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 336.942203][ T3221] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 336.950340][ T3221] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 336.958455][ T3221] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 336.966516][ T3221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 336.975181][ T3221] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 336.983251][ T3223] CPU: 1 PID: 3223 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 336.995530][ T3223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 337.006716][ T3223] Call Trace: [ 337.010020][ T3223] dump_stack_lvl+0x1e2/0x24b [ 337.014863][ T3223] ? bfq_pos_tree_add_move+0x43e/0x43e [ 337.020332][ T3223] ? vsnprintf+0x1fa/0x1cd0 [ 337.025115][ T3223] dump_stack+0x15/0x17 [ 337.029334][ T3223] should_fail+0x3c0/0x510 [ 337.033742][ T3223] should_fail_usercopy+0x1a/0x20 [ 337.038743][ T3223] _copy_from_user+0x20/0xd0 [ 337.043394][ T3223] kstrtouint_from_user+0xd7/0x2b0 [ 337.048479][ T3223] ? kstrtol_from_user+0x310/0x310 [ 337.053738][ T3223] ? snprintf+0xd6/0x120 [ 337.058110][ T3223] ? avc_policy_seqno+0x1b/0x70 [ 337.062936][ T3223] ? selinux_file_permission+0x2a9/0x520 [ 337.068718][ T3223] proc_fail_nth_write+0xa5/0x290 [ 337.073722][ T3223] ? security_file_permission+0x9d/0xc0 [ 337.079327][ T3223] ? proc_fail_nth_read+0x220/0x220 [ 337.084500][ T3223] ? security_file_permission+0xa8/0xc0 [ 337.090232][ T3223] ? rw_verify_area+0x1c2/0x360 [ 337.095326][ T3223] ? proc_fail_nth_read+0x220/0x220 [ 337.100497][ T3223] vfs_write+0x39b/0xf80 [ 337.104719][ T3223] ? kernel_write+0x420/0x420 [ 337.109372][ T3223] ? __kasan_check_write+0x14/0x20 [ 337.114581][ T3223] ? mutex_lock+0xb2/0x1e0 [ 337.118972][ T3223] ? mutex_trylock+0x180/0x180 [ 337.124093][ T3223] ? __fdget_pos+0x26d/0x310 [ 337.128670][ T3223] ? ksys_write+0x77/0x2c0 [ 337.133274][ T3223] ksys_write+0x198/0x2c0 [ 337.137599][ T3223] ? __ia32_sys_read+0x90/0x90 [ 337.142556][ T3223] ? debug_smp_processor_id+0x17/0x20 [ 337.148302][ T3223] __x64_sys_write+0x7b/0x90 [ 337.152897][ T3223] do_syscall_64+0x34/0x70 [ 337.157478][ T3223] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 337.164048][ T3223] RIP: 0033:0x7faa22393b5f [ 337.168443][ T3223] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 337.188559][ T3223] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 337.197406][ T3223] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 337.205453][ T3223] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 337.213402][ T3223] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 337.221493][ T3223] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 337.229644][ T3223] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 337.240767][ T3217] CPU: 1 PID: 3217 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 337.251112][ T3217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 337.261662][ T3217] Call Trace: [ 337.264942][ T3217] dump_stack_lvl+0x1e2/0x24b [ 337.269691][ T3217] ? bfq_pos_tree_add_move+0x43e/0x43e [ 337.275300][ T3217] ? vsnprintf+0x1fa/0x1cd0 [ 337.279953][ T3217] dump_stack+0x15/0x17 [ 337.284112][ T3217] should_fail+0x3c0/0x510 [ 337.288504][ T3217] should_fail_usercopy+0x1a/0x20 [ 337.293543][ T3217] _copy_from_user+0x20/0xd0 [ 337.298113][ T3217] kstrtouint_from_user+0xd7/0x2b0 [ 337.303215][ T3217] ? kstrtol_from_user+0x310/0x310 [ 337.308559][ T3217] ? snprintf+0xd6/0x120 [ 337.312882][ T3217] ? avc_policy_seqno+0x1b/0x70 [ 337.317708][ T3217] ? selinux_file_permission+0x2a9/0x520 [ 337.323426][ T3217] proc_fail_nth_write+0xa5/0x290 [ 337.328455][ T3217] ? security_file_permission+0x9d/0xc0 [ 337.335825][ T3217] ? proc_fail_nth_read+0x220/0x220 [ 337.341326][ T3217] ? security_file_permission+0xa8/0xc0 [ 337.347305][ T3217] ? rw_verify_area+0x1c2/0x360 [ 337.352160][ T3217] ? proc_fail_nth_read+0x220/0x220 [ 337.357363][ T3217] vfs_write+0x39b/0xf80 [ 337.361684][ T3217] ? kernel_write+0x420/0x420 [ 337.366429][ T3217] ? __kasan_check_write+0x14/0x20 [ 337.371729][ T3217] ? mutex_lock+0xb2/0x1e0 [ 337.376388][ T3217] ? mutex_trylock+0x180/0x180 [ 337.381215][ T3217] ? __fdget_pos+0x26d/0x310 [ 337.386321][ T3217] ? ksys_write+0x77/0x2c0 [ 337.390814][ T3217] ksys_write+0x198/0x2c0 [ 337.395292][ T3217] ? __ia32_sys_read+0x90/0x90 [ 337.400159][ T3217] ? debug_smp_processor_id+0x17/0x20 [ 337.405505][ T3217] __x64_sys_write+0x7b/0x90 [ 337.410157][ T3217] do_syscall_64+0x34/0x70 [ 337.414563][ T3217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 337.420798][ T3217] RIP: 0033:0x7f869ba6eb5f [ 337.425305][ T3217] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 337.445059][ T3217] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 337.453451][ T3217] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 337.462037][ T3217] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 337.470522][ T3217] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 337.478580][ T3217] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 337.486637][ T3217] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 337.502469][ T3227] FAULT_INJECTION: forcing a failure. [ 337.502469][ T3227] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 337.507945][ T3229] FAULT_INJECTION: forcing a failure. [ 337.507945][ T3229] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 337.519343][ T3227] CPU: 1 PID: 3227 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 337.529080][ T3225] FAULT_INJECTION: forcing a failure. [ 337.529080][ T3225] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 337.539410][ T3227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 337.539414][ T3227] Call Trace: [ 337.539431][ T3227] dump_stack_lvl+0x1e2/0x24b [ 337.539441][ T3227] ? bfq_pos_tree_add_move+0x43e/0x43e [ 337.539450][ T3227] ? vsnprintf+0x1fa/0x1cd0 [ 337.539467][ T3227] dump_stack+0x15/0x17 [ 337.585780][ T3227] should_fail+0x3c0/0x510 [ 337.590179][ T3227] should_fail_usercopy+0x1a/0x20 [ 337.595209][ T3227] _copy_from_user+0x20/0xd0 [ 337.599783][ T3227] kstrtouint_from_user+0xd7/0x2b0 [ 337.605637][ T3227] ? kstrtol_from_user+0x310/0x310 [ 337.610931][ T3227] ? snprintf+0xd6/0x120 [ 337.615261][ T3227] ? avc_policy_seqno+0x1b/0x70 [ 337.620274][ T3227] ? selinux_file_permission+0x2a9/0x520 [ 337.626154][ T3227] proc_fail_nth_write+0xa5/0x290 [ 337.631187][ T3227] ? security_file_permission+0x9d/0xc0 [ 337.637323][ T3227] ? proc_fail_nth_read+0x220/0x220 [ 337.642599][ T3227] ? security_file_permission+0xa8/0xc0 [ 337.648125][ T3227] ? rw_verify_area+0x1c2/0x360 [ 337.653045][ T3227] ? proc_fail_nth_read+0x220/0x220 [ 337.658224][ T3227] vfs_write+0x39b/0xf80 [ 337.662543][ T3227] ? kernel_write+0x420/0x420 [ 337.667302][ T3227] ? __kasan_check_write+0x14/0x20 [ 337.668850][ T3232] FAULT_INJECTION: forcing a failure. [ 337.668850][ T3232] name failslab, interval 1, probability 0, space 0, times 0 [ 337.672427][ T3227] ? mutex_lock+0xb2/0x1e0 [ 337.672437][ T3227] ? mutex_trylock+0x180/0x180 [ 337.672455][ T3227] ? __fdget_pos+0x26d/0x310 [ 337.698822][ T3227] ? ksys_write+0x77/0x2c0 [ 337.703218][ T3227] ksys_write+0x198/0x2c0 [ 337.707618][ T3227] ? __ia32_sys_read+0x90/0x90 [ 337.712483][ T3227] ? debug_smp_processor_id+0x17/0x20 [ 337.718104][ T3227] __x64_sys_write+0x7b/0x90 [ 337.722672][ T3227] do_syscall_64+0x34/0x70 [ 337.727075][ T3227] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 337.732962][ T3227] RIP: 0033:0x7f6ebe0d0b5f [ 337.737375][ T3227] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 337.757401][ T3227] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 337.765806][ T3227] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 337.774047][ T3227] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 337.782524][ T3227] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 337.790478][ T3227] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 337.798532][ T3227] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 337.806594][ T3229] CPU: 0 PID: 3229 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 337.817175][ T3229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 337.827484][ T3229] Call Trace: [ 337.830766][ T3229] dump_stack_lvl+0x1e2/0x24b [ 337.835743][ T3229] ? bfq_pos_tree_add_move+0x43e/0x43e [ 337.841383][ T3229] ? vsnprintf+0x1fa/0x1cd0 [ 337.846128][ T3229] dump_stack+0x15/0x17 [ 337.850368][ T3229] should_fail+0x3c0/0x510 [ 337.854766][ T3229] should_fail_usercopy+0x1a/0x20 [ 337.859941][ T3229] _copy_from_user+0x20/0xd0 [ 337.864514][ T3229] kstrtouint_from_user+0xd7/0x2b0 [ 337.870349][ T3229] ? kstrtol_from_user+0x310/0x310 [ 337.875635][ T3229] ? snprintf+0xd6/0x120 [ 337.879954][ T3229] ? avc_policy_seqno+0x1b/0x70 [ 337.884781][ T3229] ? selinux_file_permission+0x2a9/0x520 [ 337.890911][ T3229] proc_fail_nth_write+0xa5/0x290 [ 337.897049][ T3229] ? security_file_permission+0x9d/0xc0 [ 337.902657][ T3229] ? proc_fail_nth_read+0x220/0x220 [ 337.908185][ T3229] ? security_file_permission+0xa8/0xc0 [ 337.914226][ T3229] ? rw_verify_area+0x1c2/0x360 [ 337.919063][ T3229] ? proc_fail_nth_read+0x220/0x220 [ 337.924342][ T3229] vfs_write+0x39b/0xf80 [ 337.928563][ T3229] ? kernel_write+0x420/0x420 [ 337.933214][ T3229] ? __kasan_check_write+0x14/0x20 [ 337.938299][ T3229] ? mutex_lock+0xb2/0x1e0 [ 337.942820][ T3229] ? mutex_trylock+0x180/0x180 [ 337.947753][ T3229] ? __fdget_pos+0x26d/0x310 [ 337.952506][ T3229] ? ksys_write+0x77/0x2c0 [ 337.956924][ T3229] ksys_write+0x198/0x2c0 [ 337.961513][ T3229] ? __kasan_check_write+0x14/0x20 [ 337.966870][ T3229] ? __ia32_sys_read+0x90/0x90 [ 337.971984][ T3229] ? debug_smp_processor_id+0x17/0x20 [ 337.977529][ T3229] __x64_sys_write+0x7b/0x90 [ 337.982184][ T3229] do_syscall_64+0x34/0x70 [ 337.986668][ T3229] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 337.992543][ T3229] RIP: 0033:0x7f022ab05b5f [ 337.997131][ T3229] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 338.016993][ T3229] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 2022/08/30 17:01:19 executed programs: 1264 [ 338.025476][ T3229] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 338.033721][ T3229] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 338.041945][ T3229] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 338.050003][ T3229] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 338.058088][ T3229] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 338.069132][ T3225] CPU: 1 PID: 3225 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 338.079651][ T3225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 338.090162][ T3225] Call Trace: [ 338.093444][ T3225] dump_stack_lvl+0x1e2/0x24b [ 338.098119][ T3225] ? bfq_pos_tree_add_move+0x43e/0x43e [ 338.104698][ T3225] ? vsnprintf+0x1fa/0x1cd0 [ 338.109206][ T3225] dump_stack+0x15/0x17 [ 338.113637][ T3225] should_fail+0x3c0/0x510 [ 338.118127][ T3225] should_fail_usercopy+0x1a/0x20 [ 338.123392][ T3225] _copy_from_user+0x20/0xd0 [ 338.128062][ T3225] kstrtouint_from_user+0xd7/0x2b0 [ 338.133159][ T3225] ? kstrtol_from_user+0x310/0x310 [ 338.138338][ T3225] ? snprintf+0xd6/0x120 [ 338.142748][ T3225] ? avc_policy_seqno+0x1b/0x70 [ 338.147576][ T3225] ? selinux_file_permission+0x2a9/0x520 [ 338.153299][ T3225] proc_fail_nth_write+0xa5/0x290 [ 338.158394][ T3225] ? security_file_permission+0x9d/0xc0 [ 338.164004][ T3225] ? proc_fail_nth_read+0x220/0x220 [ 338.169180][ T3225] ? security_file_permission+0xa8/0xc0 [ 338.174810][ T3225] ? rw_verify_area+0x1c2/0x360 [ 338.179750][ T3225] ? proc_fail_nth_read+0x220/0x220 [ 338.184949][ T3225] vfs_write+0x39b/0xf80 [ 338.189264][ T3225] ? kernel_write+0x420/0x420 [ 338.193937][ T3225] ? __kasan_check_write+0x14/0x20 [ 338.199124][ T3225] ? mutex_lock+0xb2/0x1e0 [ 338.203605][ T3225] ? mutex_trylock+0x180/0x180 [ 338.208356][ T3225] ? __fdget_pos+0x26d/0x310 [ 338.212925][ T3225] ? ksys_write+0x77/0x2c0 [ 338.217338][ T3225] ksys_write+0x198/0x2c0 [ 338.221910][ T3225] ? __ia32_sys_read+0x90/0x90 [ 338.226828][ T3225] ? debug_smp_processor_id+0x17/0x20 [ 338.232307][ T3225] __x64_sys_write+0x7b/0x90 [ 338.236891][ T3225] do_syscall_64+0x34/0x70 [ 338.241399][ T3225] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 338.247458][ T3225] RIP: 0033:0x7f7d1c31ab5f [ 338.252105][ T3225] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 338.271780][ T3225] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 338.280260][ T3225] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 338.288222][ T3225] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 338.296265][ T3225] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 338.304219][ T3225] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 338.312183][ T3225] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 338.320430][ T3232] CPU: 0 PID: 3232 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 338.330753][ T3232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 338.342543][ T3232] Call Trace: [ 338.346083][ T3232] dump_stack_lvl+0x1e2/0x24b [ 338.350745][ T3232] ? panic+0x7d7/0x7d7 [ 338.354885][ T3232] ? bfq_pos_tree_add_move+0x43e/0x43e [ 338.360355][ T3232] ? find_next_bit+0xd6/0x120 [ 338.365104][ T3232] ? cpumask_next+0x11/0x30 [ 338.369602][ T3232] dump_stack+0x15/0x17 [ 338.373748][ T3232] should_fail+0x3c0/0x510 [ 338.378161][ T3232] ? percpu_ref_init+0xd0/0x340 [ 338.383404][ T3232] __should_failslab+0x9f/0xe0 [ 338.388245][ T3232] should_failslab+0x9/0x20 [ 338.392912][ T3232] kmem_cache_alloc_trace+0x3a/0x330 [ 338.398423][ T3232] percpu_ref_init+0xd0/0x340 [ 338.403377][ T3232] ? cgroup_setup_root+0xea0/0xea0 [ 338.408837][ T3232] cgroup_apply_control_enable+0x3a2/0x12f0 [ 338.414949][ T3232] ? cgroup_reconfigure+0xe0/0xe0 [ 338.420442][ T3232] cgroup_apply_control+0x8e/0x7e0 [ 338.425541][ T3232] ? css_next_child+0x160/0x160 [ 338.430553][ T3232] ? io_schedule+0x120/0x120 [ 338.435337][ T3232] ? kernfs_fop_write_iter+0x15e/0x410 [ 338.440807][ T3232] ? __kasan_check_write+0x14/0x20 [ 338.446281][ T3232] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 338.451938][ T3232] cgroup_subtree_control_write+0xd19/0x1310 [ 338.458376][ T3232] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 338.464541][ T3232] ? __kasan_check_write+0x14/0x20 [ 338.470030][ T3232] ? _copy_from_iter+0x3fb/0xd60 [ 338.475323][ T3232] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 338.481494][ T3232] cgroup_file_write+0x28e/0x590 [ 338.486739][ T3232] ? cgroup_seqfile_stop+0xc0/0xc0 [ 338.492109][ T3232] ? mutex_trylock+0x180/0x180 [ 338.496976][ T3232] ? __kasan_check_write+0x14/0x20 [ 338.502256][ T3232] kernfs_fop_write_iter+0x2d0/0x410 [ 338.507992][ T3232] ? cgroup_seqfile_stop+0xc0/0xc0 [ 338.513215][ T3232] vfs_write+0xc4a/0xf80 [ 338.517527][ T3232] ? kernel_write+0x420/0x420 [ 338.522214][ T3232] ? mutex_lock+0xb2/0x1e0 [ 338.526785][ T3232] ? mutex_trylock+0x180/0x180 [ 338.531616][ T3232] ? __fdget_pos+0x26d/0x310 [ 338.536182][ T3232] ? ksys_write+0x77/0x2c0 [ 338.540581][ T3232] ksys_write+0x198/0x2c0 [ 338.544904][ T3232] ? __ia32_sys_read+0x90/0x90 [ 338.550378][ T3232] ? debug_smp_processor_id+0x17/0x20 [ 338.555824][ T3232] __x64_sys_write+0x7b/0x90 [ 338.560588][ T3232] do_syscall_64+0x34/0x70 [ 338.565153][ T3232] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 338.571034][ T3232] RIP: 0033:0x7f85191c4049 [ 338.575731][ T3232] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 338.595583][ T3232] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.604073][ T3232] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 338.612116][ T3232] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 338.620341][ T3232] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 338.628555][ T3232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 338.636510][ T3232] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 338.650978][ T3235] FAULT_INJECTION: forcing a failure. [ 338.650978][ T3235] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 338.667292][ T3243] FAULT_INJECTION: forcing a failure. [ 338.667292][ T3243] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 338.670359][ T3235] CPU: 0 PID: 3235 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 338.685232][ T3245] FAULT_INJECTION: forcing a failure. [ 338.685232][ T3245] name failslab, interval 1, probability 0, space 0, times 0 [ 338.691428][ T3235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 338.691434][ T3235] Call Trace: [ 338.691460][ T3235] dump_stack_lvl+0x1e2/0x24b [ 338.724165][ T3235] ? bfq_pos_tree_add_move+0x43e/0x43e [ 338.729793][ T3235] ? vsnprintf+0x1fa/0x1cd0 [ 338.734389][ T3235] dump_stack+0x15/0x17 [ 338.738647][ T3235] should_fail+0x3c0/0x510 [ 338.743147][ T3235] should_fail_usercopy+0x1a/0x20 [ 338.748262][ T3235] _copy_from_user+0x20/0xd0 [ 338.752937][ T3235] kstrtouint_from_user+0xd7/0x2b0 [ 338.758030][ T3235] ? kstrtol_from_user+0x310/0x310 [ 338.763217][ T3235] ? snprintf+0xd6/0x120 [ 338.767730][ T3235] ? avc_policy_seqno+0x1b/0x70 [ 338.772564][ T3235] ? selinux_file_permission+0x2a9/0x520 [ 338.778539][ T3235] proc_fail_nth_write+0xa5/0x290 [ 338.783546][ T3235] ? security_file_permission+0x9d/0xc0 [ 338.789205][ T3235] ? proc_fail_nth_read+0x220/0x220 [ 338.794488][ T3235] ? security_file_permission+0xa8/0xc0 [ 338.800298][ T3235] ? rw_verify_area+0x1c2/0x360 [ 338.805240][ T3235] ? proc_fail_nth_read+0x220/0x220 [ 338.810629][ T3235] vfs_write+0x39b/0xf80 [ 338.814968][ T3235] ? kernel_write+0x420/0x420 [ 338.819720][ T3235] ? __kasan_check_write+0x14/0x20 [ 338.824996][ T3235] ? mutex_lock+0xb2/0x1e0 [ 338.829393][ T3235] ? mutex_trylock+0x180/0x180 [ 338.834146][ T3235] ? __fdget_pos+0x26d/0x310 [ 338.838718][ T3235] ? ksys_write+0x77/0x2c0 [ 338.843125][ T3235] ksys_write+0x198/0x2c0 [ 338.847441][ T3235] ? __kasan_check_write+0x14/0x20 [ 338.852565][ T3235] ? __ia32_sys_read+0x90/0x90 [ 338.857321][ T3235] ? debug_smp_processor_id+0x17/0x20 [ 338.862680][ T3235] __x64_sys_write+0x7b/0x90 [ 338.867254][ T3235] do_syscall_64+0x34/0x70 [ 338.871655][ T3235] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 338.877532][ T3235] RIP: 0033:0x7f6ebe0d0b5f [ 338.881934][ T3235] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 338.901730][ T3235] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 338.910271][ T3235] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 338.918621][ T3235] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 338.926719][ T3235] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 338.934673][ T3235] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 338.942635][ T3235] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 338.950689][ T3243] CPU: 1 PID: 3243 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 338.961370][ T3243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 338.971608][ T3243] Call Trace: [ 338.974901][ T3243] dump_stack_lvl+0x1e2/0x24b [ 338.979585][ T3243] ? bfq_pos_tree_add_move+0x43e/0x43e [ 338.985353][ T3243] ? vsnprintf+0x1fa/0x1cd0 [ 338.990125][ T3243] dump_stack+0x15/0x17 [ 338.994267][ T3243] should_fail+0x3c0/0x510 [ 338.998670][ T3243] should_fail_usercopy+0x1a/0x20 [ 339.003695][ T3243] _copy_from_user+0x20/0xd0 [ 339.008263][ T3243] kstrtouint_from_user+0xd7/0x2b0 [ 339.013383][ T3243] ? kstrtol_from_user+0x310/0x310 [ 339.018476][ T3243] ? snprintf+0xd6/0x120 [ 339.022720][ T3243] ? avc_policy_seqno+0x1b/0x70 [ 339.027550][ T3243] ? selinux_file_permission+0x2a9/0x520 [ 339.033167][ T3243] proc_fail_nth_write+0xa5/0x290 [ 339.038369][ T3243] ? security_file_permission+0x9d/0xc0 [ 339.044016][ T3243] ? proc_fail_nth_read+0x220/0x220 [ 339.049301][ T3243] ? security_file_permission+0xa8/0xc0 [ 339.055011][ T3243] ? rw_verify_area+0x1c2/0x360 [ 339.060039][ T3243] ? proc_fail_nth_read+0x220/0x220 [ 339.065233][ T3243] vfs_write+0x39b/0xf80 [ 339.069499][ T3243] ? kernel_write+0x420/0x420 [ 339.074254][ T3243] ? __kasan_check_write+0x14/0x20 [ 339.080151][ T3243] ? mutex_lock+0xb2/0x1e0 [ 339.084726][ T3243] ? mutex_trylock+0x180/0x180 [ 339.089650][ T3243] ? __fdget_pos+0x26d/0x310 [ 339.094222][ T3243] ? ksys_write+0x77/0x2c0 [ 339.098615][ T3243] ksys_write+0x198/0x2c0 [ 339.102949][ T3243] ? __ia32_sys_read+0x90/0x90 [ 339.107695][ T3243] ? debug_smp_processor_id+0x17/0x20 [ 339.113047][ T3243] __x64_sys_write+0x7b/0x90 [ 339.117619][ T3243] do_syscall_64+0x34/0x70 [ 339.122027][ T3243] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 339.128012][ T3243] RIP: 0033:0x7faa22393b5f [ 339.132675][ T3243] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 339.152436][ T3243] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 339.160929][ T3243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 339.169241][ T3243] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 339.177474][ T3243] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 339.185687][ T3243] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 339.194132][ T3243] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 339.202275][ T3245] CPU: 0 PID: 3245 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 339.212993][ T3245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 339.223543][ T3245] Call Trace: [ 339.226821][ T3245] dump_stack_lvl+0x1e2/0x24b [ 339.231571][ T3245] ? panic+0x7d7/0x7d7 [ 339.235632][ T3245] ? bfq_pos_tree_add_move+0x43e/0x43e [ 339.241453][ T3245] ? find_next_bit+0xd6/0x120 [ 339.246819][ T3245] ? cpumask_next+0x11/0x30 [ 339.251358][ T3245] dump_stack+0x15/0x17 [ 339.256460][ T3245] should_fail+0x3c0/0x510 [ 339.260872][ T3245] ? percpu_ref_init+0xd0/0x340 [ 339.265801][ T3245] __should_failslab+0x9f/0xe0 [ 339.270836][ T3245] should_failslab+0x9/0x20 [ 339.275324][ T3245] kmem_cache_alloc_trace+0x3a/0x330 [ 339.280662][ T3245] percpu_ref_init+0xd0/0x340 [ 339.285412][ T3245] ? cgroup_setup_root+0xea0/0xea0 [ 339.290605][ T3245] cgroup_apply_control_enable+0x3a2/0x12f0 [ 339.296668][ T3245] ? cgroup_reconfigure+0xe0/0xe0 [ 339.301762][ T3245] cgroup_apply_control+0x8e/0x7e0 [ 339.306851][ T3245] ? css_next_child+0x160/0x160 [ 339.311695][ T3245] ? io_schedule+0x120/0x120 [ 339.316465][ T3245] ? kernfs_fop_write_iter+0x15e/0x410 [ 339.322005][ T3245] ? __kasan_check_write+0x14/0x20 [ 339.327472][ T3245] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 339.332736][ T3245] cgroup_subtree_control_write+0xd19/0x1310 [ 339.338797][ T3245] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 339.344896][ T3245] ? __kasan_check_write+0x14/0x20 [ 339.350187][ T3245] ? _copy_from_iter+0x3fb/0xd60 [ 339.355210][ T3245] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 339.361192][ T3245] cgroup_file_write+0x28e/0x590 [ 339.366293][ T3245] ? cgroup_seqfile_stop+0xc0/0xc0 [ 339.371659][ T3245] ? mutex_trylock+0x180/0x180 [ 339.376672][ T3245] ? __kasan_check_write+0x14/0x20 [ 339.382064][ T3245] kernfs_fop_write_iter+0x2d0/0x410 [ 339.387341][ T3245] ? cgroup_seqfile_stop+0xc0/0xc0 [ 339.392696][ T3245] vfs_write+0xc4a/0xf80 [ 339.397278][ T3245] ? kernel_write+0x420/0x420 [ 339.402029][ T3245] ? mutex_lock+0xb2/0x1e0 [ 339.406779][ T3245] ? mutex_trylock+0x180/0x180 [ 339.411716][ T3245] ? __fdget_pos+0x26d/0x310 [ 339.416554][ T3245] ? ksys_write+0x77/0x2c0 [ 339.421547][ T3245] ksys_write+0x198/0x2c0 [ 339.426409][ T3245] ? __ia32_sys_read+0x90/0x90 [ 339.431173][ T3245] ? debug_smp_processor_id+0x17/0x20 [ 339.436884][ T3245] __x64_sys_write+0x7b/0x90 [ 339.441457][ T3245] do_syscall_64+0x34/0x70 [ 339.445943][ T3245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 339.451956][ T3245] RIP: 0033:0x7f85191c4049 [ 339.456450][ T3245] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 339.476447][ T3245] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 339.484861][ T3245] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 339.492834][ T3245] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 339.500879][ T3245] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 339.509078][ T3245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 339.517138][ T3245] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 339.536305][ T3247] FAULT_INJECTION: forcing a failure. [ 339.536305][ T3247] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 339.540437][ T3249] FAULT_INJECTION: forcing a failure. [ 339.540437][ T3249] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 339.561842][ T3254] FAULT_INJECTION: forcing a failure. [ 339.561842][ T3254] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 339.570066][ T3257] FAULT_INJECTION: forcing a failure. [ 339.570066][ T3257] name failslab, interval 1, probability 0, space 0, times 0 [ 339.584193][ T3247] CPU: 1 PID: 3247 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 339.599616][ T3247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 339.609813][ T3247] Call Trace: [ 339.613116][ T3247] dump_stack_lvl+0x1e2/0x24b [ 339.617813][ T3247] ? bfq_pos_tree_add_move+0x43e/0x43e [ 339.623277][ T3247] ? vsnprintf+0x1fa/0x1cd0 [ 339.627770][ T3247] dump_stack+0x15/0x17 [ 339.631915][ T3247] should_fail+0x3c0/0x510 [ 339.636322][ T3247] should_fail_usercopy+0x1a/0x20 [ 339.641423][ T3247] _copy_from_user+0x20/0xd0 [ 339.645998][ T3247] kstrtouint_from_user+0xd7/0x2b0 [ 339.651178][ T3247] ? kstrtol_from_user+0x310/0x310 [ 339.656373][ T3247] ? snprintf+0xd6/0x120 [ 339.660602][ T3247] ? avc_policy_seqno+0x1b/0x70 [ 339.665430][ T3247] ? selinux_file_permission+0x2a9/0x520 [ 339.671156][ T3247] proc_fail_nth_write+0xa5/0x290 [ 339.676160][ T3247] ? security_file_permission+0x9d/0xc0 [ 339.681685][ T3247] ? proc_fail_nth_read+0x220/0x220 [ 339.686865][ T3247] ? security_file_permission+0xa8/0xc0 [ 339.692402][ T3247] ? rw_verify_area+0x1c2/0x360 [ 339.697454][ T3247] ? proc_fail_nth_read+0x220/0x220 [ 339.702651][ T3247] vfs_write+0x39b/0xf80 [ 339.706997][ T3247] ? kernel_write+0x420/0x420 [ 339.711662][ T3247] ? __kasan_check_write+0x14/0x20 [ 339.716842][ T3247] ? mutex_lock+0xb2/0x1e0 [ 339.721258][ T3247] ? mutex_trylock+0x180/0x180 [ 339.726111][ T3247] ? __fdget_pos+0x26d/0x310 [ 339.730875][ T3247] ? ksys_write+0x77/0x2c0 [ 339.735293][ T3247] ksys_write+0x198/0x2c0 [ 339.739628][ T3247] ? __kasan_check_write+0x14/0x20 [ 339.744837][ T3247] ? __ia32_sys_read+0x90/0x90 [ 339.749803][ T3247] ? debug_smp_processor_id+0x17/0x20 [ 339.755164][ T3247] __x64_sys_write+0x7b/0x90 [ 339.759790][ T3247] do_syscall_64+0x34/0x70 [ 339.764287][ T3247] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 339.770420][ T3247] RIP: 0033:0x7f6ebe0d0b5f [ 339.774817][ T3247] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 339.794952][ T3247] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 339.803371][ T3247] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 339.811557][ T3247] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 339.819714][ T3247] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 339.827775][ T3247] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 339.836095][ T3247] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 339.844065][ T3249] CPU: 0 PID: 3249 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 339.854641][ T3249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 339.864855][ T3249] Call Trace: [ 339.868223][ T3249] dump_stack_lvl+0x1e2/0x24b [ 339.873261][ T3249] ? bfq_pos_tree_add_move+0x43e/0x43e [ 339.879758][ T3249] ? vsnprintf+0x1fa/0x1cd0 [ 339.884337][ T3249] dump_stack+0x15/0x17 [ 339.888484][ T3249] should_fail+0x3c0/0x510 [ 339.892980][ T3249] should_fail_usercopy+0x1a/0x20 [ 339.897991][ T3249] _copy_from_user+0x20/0xd0 [ 339.902798][ T3249] kstrtouint_from_user+0xd7/0x2b0 [ 339.907979][ T3249] ? kstrtol_from_user+0x310/0x310 [ 339.913155][ T3249] ? snprintf+0xd6/0x120 [ 339.917491][ T3249] ? avc_policy_seqno+0x1b/0x70 [ 339.922404][ T3249] ? selinux_file_permission+0x2a9/0x520 [ 339.928015][ T3249] proc_fail_nth_write+0xa5/0x290 [ 339.933440][ T3249] ? security_file_permission+0x9d/0xc0 [ 339.939053][ T3249] ? proc_fail_nth_read+0x220/0x220 [ 339.944315][ T3249] ? security_file_permission+0xa8/0xc0 [ 339.949859][ T3249] ? rw_verify_area+0x1c2/0x360 [ 339.954693][ T3249] ? proc_fail_nth_read+0x220/0x220 [ 339.959875][ T3249] vfs_write+0x39b/0xf80 [ 339.964203][ T3249] ? kernel_write+0x420/0x420 [ 339.968861][ T3249] ? __kasan_check_write+0x14/0x20 [ 339.974040][ T3249] ? mutex_lock+0xb2/0x1e0 [ 339.978637][ T3249] ? mutex_trylock+0x180/0x180 [ 339.983874][ T3249] ? __fdget_pos+0x26d/0x310 [ 339.988546][ T3249] ? ksys_write+0x77/0x2c0 [ 339.992948][ T3249] ksys_write+0x198/0x2c0 [ 339.997258][ T3249] ? __ia32_sys_read+0x90/0x90 [ 340.002148][ T3249] ? debug_smp_processor_id+0x17/0x20 [ 340.007707][ T3249] __x64_sys_write+0x7b/0x90 [ 340.012286][ T3249] do_syscall_64+0x34/0x70 [ 340.016802][ T3249] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 340.022942][ T3249] RIP: 0033:0x7f869ba6eb5f [ 340.027516][ T3249] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 340.048114][ T3249] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 340.056678][ T3249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 340.064812][ T3249] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 340.072857][ T3249] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 340.080804][ T3249] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 340.088752][ T3249] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 340.098552][ T3257] CPU: 0 PID: 3257 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 340.108896][ T3257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 340.119047][ T3257] Call Trace: [ 340.122332][ T3257] dump_stack_lvl+0x1e2/0x24b [ 340.127025][ T3257] ? panic+0x7d7/0x7d7 [ 340.131357][ T3257] ? bfq_pos_tree_add_move+0x43e/0x43e [ 340.137077][ T3257] ? find_next_bit+0xd6/0x120 [ 340.141754][ T3257] ? cpumask_next+0x11/0x30 [ 340.146356][ T3257] dump_stack+0x15/0x17 [ 340.150513][ T3257] should_fail+0x3c0/0x510 [ 340.154928][ T3257] ? percpu_ref_init+0xd0/0x340 [ 340.159756][ T3257] __should_failslab+0x9f/0xe0 [ 340.164497][ T3257] should_failslab+0x9/0x20 [ 340.169070][ T3257] kmem_cache_alloc_trace+0x3a/0x330 [ 340.174380][ T3257] percpu_ref_init+0xd0/0x340 [ 340.179046][ T3257] ? cgroup_setup_root+0xea0/0xea0 [ 340.184141][ T3257] cgroup_apply_control_enable+0x3a2/0x12f0 [ 340.190105][ T3257] ? cgroup_reconfigure+0xe0/0xe0 [ 340.195108][ T3257] cgroup_apply_control+0x8e/0x7e0 [ 340.200368][ T3257] ? css_next_child+0x160/0x160 [ 340.205450][ T3257] ? io_schedule+0x120/0x120 [ 340.210017][ T3257] ? kernfs_fop_write_iter+0x15e/0x410 [ 340.215466][ T3257] ? __kasan_check_write+0x14/0x20 [ 340.220728][ T3257] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 340.225994][ T3257] cgroup_subtree_control_write+0xd19/0x1310 [ 340.232035][ T3257] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 340.238091][ T3257] ? __kasan_check_write+0x14/0x20 [ 340.243178][ T3257] ? _copy_from_iter+0x3fb/0xd60 [ 340.248091][ T3257] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 340.254042][ T3257] cgroup_file_write+0x28e/0x590 [ 340.258963][ T3257] ? cgroup_seqfile_stop+0xc0/0xc0 [ 340.264047][ T3257] ? mutex_trylock+0x180/0x180 [ 340.268787][ T3257] ? __kasan_check_write+0x14/0x20 [ 340.273875][ T3257] kernfs_fop_write_iter+0x2d0/0x410 [ 340.279134][ T3257] ? cgroup_seqfile_stop+0xc0/0xc0 [ 340.284233][ T3257] vfs_write+0xc4a/0xf80 [ 340.288462][ T3257] ? kernel_write+0x420/0x420 [ 340.293117][ T3257] ? mutex_lock+0xb2/0x1e0 [ 340.297612][ T3257] ? mutex_trylock+0x180/0x180 [ 340.302445][ T3257] ? __fdget_pos+0x26d/0x310 [ 340.307120][ T3257] ? ksys_write+0x77/0x2c0 [ 340.311596][ T3257] ksys_write+0x198/0x2c0 [ 340.315923][ T3257] ? __ia32_sys_read+0x90/0x90 [ 340.320805][ T3257] ? debug_smp_processor_id+0x17/0x20 [ 340.326165][ T3257] __x64_sys_write+0x7b/0x90 [ 340.330925][ T3257] do_syscall_64+0x34/0x70 [ 340.335325][ T3257] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 340.341556][ T3257] RIP: 0033:0x7f85191c4049 [ 340.346054][ T3257] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 340.365982][ T3257] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 340.374532][ T3257] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 340.382721][ T3257] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 340.390671][ T3257] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 340.399337][ T3257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 340.407495][ T3257] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 340.418058][ T3254] CPU: 1 PID: 3254 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 340.428667][ T3254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 340.432095][ T3263] FAULT_INJECTION: forcing a failure. [ 340.432095][ T3263] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 340.439031][ T3254] Call Trace: [ 340.439048][ T3254] dump_stack_lvl+0x1e2/0x24b [ 340.439058][ T3254] ? bfq_pos_tree_add_move+0x43e/0x43e [ 340.439067][ T3254] ? vsnprintf+0x1fa/0x1cd0 [ 340.439085][ T3254] dump_stack+0x15/0x17 [ 340.455224][ T3264] FAULT_INJECTION: forcing a failure. [ 340.455224][ T3264] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 340.455990][ T3254] should_fail+0x3c0/0x510 [ 340.456008][ T3254] should_fail_usercopy+0x1a/0x20 [ 340.464265][ T3267] FAULT_INJECTION: forcing a failure. [ 340.464265][ T3267] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 340.466678][ T3254] _copy_from_user+0x20/0xd0 [ 340.466688][ T3254] kstrtouint_from_user+0xd7/0x2b0 [ 340.466697][ T3254] ? kstrtol_from_user+0x310/0x310 [ 340.466715][ T3254] ? snprintf+0xd6/0x120 [ 340.531104][ T3254] ? avc_policy_seqno+0x1b/0x70 [ 340.536029][ T3254] ? selinux_file_permission+0x2a9/0x520 [ 340.541738][ T3254] proc_fail_nth_write+0xa5/0x290 [ 340.546833][ T3254] ? security_file_permission+0x9d/0xc0 [ 340.552362][ T3254] ? proc_fail_nth_read+0x220/0x220 [ 340.557664][ T3254] ? security_file_permission+0xa8/0xc0 [ 340.563285][ T3254] ? rw_verify_area+0x1c2/0x360 [ 340.568135][ T3254] ? proc_fail_nth_read+0x220/0x220 [ 340.573436][ T3254] vfs_write+0x39b/0xf80 [ 340.578559][ T3254] ? kernel_write+0x420/0x420 [ 340.583216][ T3254] ? __kasan_check_write+0x14/0x20 [ 340.588308][ T3254] ? mutex_lock+0xb2/0x1e0 [ 340.592792][ T3254] ? mutex_trylock+0x180/0x180 [ 340.597731][ T3254] ? __fdget_pos+0x26d/0x310 [ 340.602519][ T3254] ? ksys_write+0x77/0x2c0 [ 340.606920][ T3254] ksys_write+0x198/0x2c0 [ 340.611233][ T3254] ? __ia32_sys_read+0x90/0x90 [ 340.616064][ T3254] ? debug_smp_processor_id+0x17/0x20 [ 340.621512][ T3254] __x64_sys_write+0x7b/0x90 [ 340.626083][ T3254] do_syscall_64+0x34/0x70 [ 340.631037][ T3254] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 340.637003][ T3254] RIP: 0033:0x7faa22393b5f [ 340.641487][ T3254] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 340.661344][ T3254] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 340.670177][ T3254] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 340.679898][ T3254] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 340.687860][ T3254] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 340.696436][ T3254] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 340.705082][ T3254] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 340.713139][ T3264] CPU: 0 PID: 3264 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 340.723744][ T3264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 340.733885][ T3264] Call Trace: [ 340.737176][ T3264] dump_stack_lvl+0x1e2/0x24b [ 340.741845][ T3264] ? bfq_pos_tree_add_move+0x43e/0x43e [ 340.747367][ T3264] ? vsnprintf+0x1fa/0x1cd0 [ 340.752019][ T3264] dump_stack+0x15/0x17 [ 340.756246][ T3264] should_fail+0x3c0/0x510 [ 340.760649][ T3264] should_fail_usercopy+0x1a/0x20 [ 340.765822][ T3264] _copy_from_user+0x20/0xd0 [ 340.770479][ T3264] kstrtouint_from_user+0xd7/0x2b0 [ 340.775741][ T3264] ? kstrtol_from_user+0x310/0x310 [ 340.780824][ T3264] ? snprintf+0xd6/0x120 [ 340.785045][ T3264] ? avc_policy_seqno+0x1b/0x70 [ 340.789956][ T3264] ? selinux_file_permission+0x2a9/0x520 [ 340.795828][ T3264] proc_fail_nth_write+0xa5/0x290 [ 340.800849][ T3264] ? security_file_permission+0x9d/0xc0 [ 340.806379][ T3264] ? proc_fail_nth_read+0x220/0x220 [ 340.811548][ T3264] ? security_file_permission+0xa8/0xc0 [ 340.817088][ T3264] ? rw_verify_area+0x1c2/0x360 [ 340.821918][ T3264] ? proc_fail_nth_read+0x220/0x220 [ 340.827123][ T3264] vfs_write+0x39b/0xf80 [ 340.831341][ T3264] ? kernel_write+0x420/0x420 [ 340.836049][ T3264] ? __kasan_check_write+0x14/0x20 [ 340.841464][ T3264] ? mutex_lock+0xb2/0x1e0 [ 340.845954][ T3264] ? mutex_trylock+0x180/0x180 [ 340.850810][ T3264] ? __fdget_pos+0x26d/0x310 [ 340.855826][ T3264] ? ksys_write+0x77/0x2c0 [ 340.860417][ T3264] ksys_write+0x198/0x2c0 [ 340.864866][ T3264] ? __kasan_check_write+0x14/0x20 [ 340.870239][ T3264] ? __ia32_sys_read+0x90/0x90 [ 340.874993][ T3264] ? debug_smp_processor_id+0x17/0x20 [ 340.880342][ T3264] __x64_sys_write+0x7b/0x90 [ 340.884919][ T3264] do_syscall_64+0x34/0x70 [ 340.889500][ T3264] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 340.895593][ T3264] RIP: 0033:0x7f022ab05b5f [ 340.900072][ T3264] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 340.921219][ T3264] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 340.929627][ T3264] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 340.937748][ T3264] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 340.945794][ T3264] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 340.953888][ T3264] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 340.962033][ T3264] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 340.971867][ T3267] CPU: 1 PID: 3267 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 340.982376][ T3267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 340.992478][ T3267] Call Trace: [ 340.995766][ T3267] dump_stack_lvl+0x1e2/0x24b [ 341.000516][ T3267] ? bfq_pos_tree_add_move+0x43e/0x43e [ 341.005962][ T3267] ? vsnprintf+0x1fa/0x1cd0 [ 341.010564][ T3267] dump_stack+0x15/0x17 [ 341.014703][ T3267] should_fail+0x3c0/0x510 [ 341.019114][ T3267] should_fail_usercopy+0x1a/0x20 [ 341.024411][ T3267] _copy_from_user+0x20/0xd0 [ 341.029028][ T3267] kstrtouint_from_user+0xd7/0x2b0 [ 341.034139][ T3267] ? kstrtol_from_user+0x310/0x310 [ 341.039343][ T3267] ? snprintf+0xd6/0x120 [ 341.043585][ T3267] ? avc_policy_seqno+0x1b/0x70 [ 341.048508][ T3267] ? selinux_file_permission+0x2a9/0x520 [ 341.055344][ T3267] proc_fail_nth_write+0xa5/0x290 [ 341.060368][ T3267] ? security_file_permission+0x9d/0xc0 [ 341.065994][ T3267] ? proc_fail_nth_read+0x220/0x220 [ 341.071282][ T3267] ? security_file_permission+0xa8/0xc0 [ 341.076820][ T3267] ? rw_verify_area+0x1c2/0x360 [ 341.081650][ T3267] ? proc_fail_nth_read+0x220/0x220 [ 341.086826][ T3267] vfs_write+0x39b/0xf80 [ 341.091092][ T3267] ? kernel_write+0x420/0x420 [ 341.095761][ T3267] ? __kasan_check_write+0x14/0x20 [ 341.100860][ T3267] ? mutex_lock+0xb2/0x1e0 [ 341.105453][ T3267] ? mutex_trylock+0x180/0x180 [ 341.110287][ T3267] ? __fdget_pos+0x26d/0x310 [ 341.114876][ T3267] ? ksys_write+0x77/0x2c0 [ 341.119450][ T3267] ksys_write+0x198/0x2c0 [ 341.123762][ T3267] ? __ia32_sys_read+0x90/0x90 [ 341.128604][ T3267] ? debug_smp_processor_id+0x17/0x20 [ 341.134058][ T3267] __x64_sys_write+0x7b/0x90 [ 341.138681][ T3267] do_syscall_64+0x34/0x70 [ 341.143141][ T3267] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 341.149104][ T3267] RIP: 0033:0x7f7d1c31ab5f [ 341.153517][ T3267] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 341.173196][ T3267] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 341.181610][ T3267] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 341.189638][ T3267] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 341.197591][ T3267] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 341.205549][ T3267] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 341.213964][ T3267] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 341.221942][ T3263] CPU: 0 PID: 3263 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 341.232357][ T3263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 341.242487][ T3263] Call Trace: [ 341.245940][ T3263] dump_stack_lvl+0x1e2/0x24b [ 341.250687][ T3263] ? bfq_pos_tree_add_move+0x43e/0x43e [ 341.256123][ T3263] ? vsnprintf+0x1fa/0x1cd0 [ 341.260656][ T3263] dump_stack+0x15/0x17 [ 341.264964][ T3263] should_fail+0x3c0/0x510 [ 341.269354][ T3263] should_fail_usercopy+0x1a/0x20 [ 341.274363][ T3263] _copy_from_user+0x20/0xd0 [ 341.279038][ T3263] kstrtouint_from_user+0xd7/0x2b0 [ 341.284126][ T3263] ? kstrtol_from_user+0x310/0x310 [ 341.289313][ T3263] ? snprintf+0xd6/0x120 [ 341.293620][ T3263] ? avc_policy_seqno+0x1b/0x70 [ 341.298446][ T3263] ? selinux_file_permission+0x2a9/0x520 [ 341.304277][ T3263] proc_fail_nth_write+0xa5/0x290 [ 341.309289][ T3263] ? security_file_permission+0x9d/0xc0 [ 341.314820][ T3263] ? proc_fail_nth_read+0x220/0x220 [ 341.320015][ T3263] ? security_file_permission+0xa8/0xc0 [ 341.325539][ T3263] ? rw_verify_area+0x1c2/0x360 [ 341.330368][ T3263] ? proc_fail_nth_read+0x220/0x220 [ 341.335552][ T3263] vfs_write+0x39b/0xf80 [ 341.339775][ T3263] ? kernel_write+0x420/0x420 [ 341.344450][ T3263] ? __kasan_check_write+0x14/0x20 [ 341.349592][ T3263] ? mutex_lock+0xb2/0x1e0 [ 341.353989][ T3263] ? mutex_trylock+0x180/0x180 [ 341.359001][ T3263] ? __fdget_pos+0x26d/0x310 [ 341.363650][ T3263] ? ksys_write+0x77/0x2c0 [ 341.368043][ T3263] ksys_write+0x198/0x2c0 [ 341.372351][ T3263] ? __kasan_check_write+0x14/0x20 [ 341.377437][ T3263] ? __ia32_sys_read+0x90/0x90 [ 341.382178][ T3263] ? debug_smp_processor_id+0x17/0x20 [ 341.387721][ T3263] __x64_sys_write+0x7b/0x90 [ 341.392469][ T3263] do_syscall_64+0x34/0x70 [ 341.396967][ T3263] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 341.402945][ T3263] RIP: 0033:0x7f6ebe0d0b5f [ 341.407446][ T3263] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 341.427832][ T3263] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 341.436698][ T3263] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 341.444748][ T3263] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 341.452868][ T3263] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 341.461250][ T3263] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 341.469999][ T3263] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 341.481567][ T3273] FAULT_INJECTION: forcing a failure. [ 341.481567][ T3273] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 341.482828][ T3268] FAULT_INJECTION: forcing a failure. [ 341.482828][ T3268] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 341.504559][ T3273] CPU: 1 PID: 3273 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 341.512479][ T3274] FAULT_INJECTION: forcing a failure. [ 341.512479][ T3274] name failslab, interval 1, probability 0, space 0, times 0 [ 341.519224][ T3273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 341.519229][ T3273] Call Trace: [ 341.519246][ T3273] dump_stack_lvl+0x1e2/0x24b [ 341.519258][ T3273] ? bfq_pos_tree_add_move+0x43e/0x43e [ 341.519268][ T3273] ? vsnprintf+0x1fa/0x1cd0 [ 341.519279][ T3273] dump_stack+0x15/0x17 [ 341.519288][ T3273] should_fail+0x3c0/0x510 [ 341.519298][ T3273] should_fail_usercopy+0x1a/0x20 [ 341.519309][ T3273] _copy_from_user+0x20/0xd0 [ 341.519320][ T3273] kstrtouint_from_user+0xd7/0x2b0 [ 341.519329][ T3273] ? kstrtol_from_user+0x310/0x310 [ 341.519345][ T3273] ? snprintf+0xd6/0x120 [ 341.595236][ T3273] ? avc_policy_seqno+0x1b/0x70 [ 341.600244][ T3273] ? selinux_file_permission+0x2a9/0x520 [ 341.605855][ T3273] proc_fail_nth_write+0xa5/0x290 [ 341.610857][ T3273] ? security_file_permission+0x9d/0xc0 [ 341.616385][ T3273] ? proc_fail_nth_read+0x220/0x220 [ 341.622171][ T3273] ? security_file_permission+0xa8/0xc0 [ 341.627706][ T3273] ? rw_verify_area+0x1c2/0x360 [ 341.632535][ T3273] ? proc_fail_nth_read+0x220/0x220 [ 341.637976][ T3273] vfs_write+0x39b/0xf80 [ 341.642374][ T3273] ? kernel_write+0x420/0x420 [ 341.647117][ T3273] ? __kasan_check_write+0x14/0x20 [ 341.652326][ T3273] ? mutex_lock+0xb2/0x1e0 [ 341.656722][ T3273] ? mutex_trylock+0x180/0x180 [ 341.661640][ T3273] ? __fdget_pos+0x26d/0x310 [ 341.666297][ T3273] ? ksys_write+0x77/0x2c0 [ 341.670694][ T3273] ksys_write+0x198/0x2c0 [ 341.675112][ T3273] ? __ia32_sys_read+0x90/0x90 [ 341.679961][ T3273] ? debug_smp_processor_id+0x17/0x20 [ 341.685330][ T3273] __x64_sys_write+0x7b/0x90 [ 341.689903][ T3273] do_syscall_64+0x34/0x70 [ 341.694427][ T3273] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 341.700611][ T3273] RIP: 0033:0x7faa22393b5f [ 341.705009][ T3273] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 341.724680][ T3273] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 341.733072][ T3273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 341.741022][ T3273] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 341.749064][ T3273] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 341.757017][ T3273] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 341.765246][ T3273] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 341.773202][ T3268] CPU: 0 PID: 3268 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 341.783521][ T3268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 341.793755][ T3268] Call Trace: [ 341.797047][ T3268] dump_stack_lvl+0x1e2/0x24b [ 341.801712][ T3268] ? bfq_pos_tree_add_move+0x43e/0x43e [ 341.807330][ T3268] ? vsnprintf+0x1fa/0x1cd0 [ 341.811814][ T3268] dump_stack+0x15/0x17 [ 341.815967][ T3268] should_fail+0x3c0/0x510 [ 341.820461][ T3268] should_fail_usercopy+0x1a/0x20 [ 341.825562][ T3268] _copy_from_user+0x20/0xd0 [ 341.830146][ T3268] kstrtouint_from_user+0xd7/0x2b0 [ 341.835338][ T3268] ? kstrtol_from_user+0x310/0x310 [ 341.840452][ T3268] ? snprintf+0xd6/0x120 [ 341.844685][ T3268] ? avc_policy_seqno+0x1b/0x70 [ 341.849529][ T3268] ? selinux_file_permission+0x2a9/0x520 [ 341.855152][ T3268] proc_fail_nth_write+0xa5/0x290 [ 341.860452][ T3268] ? security_file_permission+0x9d/0xc0 [ 341.866167][ T3268] ? proc_fail_nth_read+0x220/0x220 [ 341.871370][ T3268] ? security_file_permission+0xa8/0xc0 [ 341.877023][ T3268] ? rw_verify_area+0x1c2/0x360 [ 341.882132][ T3268] ? proc_fail_nth_read+0x220/0x220 [ 341.887320][ T3268] vfs_write+0x39b/0xf80 [ 341.891651][ T3268] ? kernel_write+0x420/0x420 [ 341.896495][ T3268] ? __kasan_check_write+0x14/0x20 [ 341.901691][ T3268] ? mutex_lock+0xb2/0x1e0 [ 341.906096][ T3268] ? mutex_trylock+0x180/0x180 [ 341.910951][ T3268] ? __fdget_pos+0x26d/0x310 [ 341.915566][ T3268] ? ksys_write+0x77/0x2c0 [ 341.920100][ T3268] ksys_write+0x198/0x2c0 [ 341.924431][ T3268] ? __ia32_sys_read+0x90/0x90 [ 341.929366][ T3268] ? debug_smp_processor_id+0x17/0x20 [ 341.934859][ T3268] __x64_sys_write+0x7b/0x90 [ 341.939634][ T3268] do_syscall_64+0x34/0x70 [ 341.944192][ T3268] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 341.950163][ T3268] RIP: 0033:0x7f869ba6eb5f [ 341.954697][ T3268] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 341.974575][ T3268] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 341.983247][ T3268] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 341.992288][ T3268] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 342.000577][ T3268] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 342.008880][ T3268] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 342.016826][ T3268] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 342.025238][ T3274] CPU: 1 PID: 3274 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 342.035732][ T3274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 342.046204][ T3274] Call Trace: [ 342.049677][ T3274] dump_stack_lvl+0x1e2/0x24b [ 342.054505][ T3274] ? panic+0x7d7/0x7d7 [ 342.058559][ T3274] ? bfq_pos_tree_add_move+0x43e/0x43e [ 342.064090][ T3274] ? find_next_bit+0xd6/0x120 [ 342.068753][ T3274] ? cpumask_next+0x11/0x30 [ 342.073260][ T3274] dump_stack+0x15/0x17 [ 342.077391][ T3274] should_fail+0x3c0/0x510 [ 342.082666][ T3274] ? percpu_ref_init+0xd0/0x340 [ 342.087624][ T3274] __should_failslab+0x9f/0xe0 [ 342.092605][ T3274] should_failslab+0x9/0x20 [ 342.097268][ T3274] kmem_cache_alloc_trace+0x3a/0x330 [ 342.102532][ T3274] percpu_ref_init+0xd0/0x340 [ 342.107195][ T3274] ? cgroup_setup_root+0xea0/0xea0 [ 342.112478][ T3274] cgroup_apply_control_enable+0x3a2/0x12f0 [ 342.118393][ T3274] ? cgroup_reconfigure+0xe0/0xe0 [ 342.123640][ T3274] cgroup_apply_control+0x8e/0x7e0 [ 342.128922][ T3274] ? css_next_child+0x160/0x160 [ 342.133958][ T3274] ? io_schedule+0x120/0x120 [ 342.138548][ T3274] ? kernfs_fop_write_iter+0x15e/0x410 [ 342.144026][ T3274] ? __kasan_check_write+0x14/0x20 [ 342.149123][ T3274] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 342.154388][ T3274] cgroup_subtree_control_write+0xd19/0x1310 [ 342.160345][ T3274] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 342.166579][ T3274] ? __kasan_check_write+0x14/0x20 [ 342.171666][ T3274] ? _copy_from_iter+0x3fb/0xd60 [ 342.176581][ T3274] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 342.182549][ T3274] cgroup_file_write+0x28e/0x590 [ 342.187651][ T3274] ? cgroup_seqfile_stop+0xc0/0xc0 [ 342.192753][ T3274] ? mutex_trylock+0x180/0x180 [ 342.197491][ T3274] ? __kasan_check_write+0x14/0x20 [ 342.202842][ T3274] kernfs_fop_write_iter+0x2d0/0x410 [ 342.208287][ T3274] ? cgroup_seqfile_stop+0xc0/0xc0 [ 342.213464][ T3274] vfs_write+0xc4a/0xf80 [ 342.217860][ T3274] ? kernel_write+0x420/0x420 [ 342.222510][ T3274] ? mutex_lock+0xb2/0x1e0 [ 342.227078][ T3274] ? mutex_trylock+0x180/0x180 [ 342.232106][ T3274] ? __fdget_pos+0x26d/0x310 [ 342.236891][ T3274] ? ksys_write+0x77/0x2c0 [ 342.241307][ T3274] ksys_write+0x198/0x2c0 [ 342.245626][ T3274] ? __ia32_sys_read+0x90/0x90 [ 342.250458][ T3274] ? debug_smp_processor_id+0x17/0x20 [ 342.256074][ T3274] __x64_sys_write+0x7b/0x90 [ 342.260732][ T3274] do_syscall_64+0x34/0x70 [ 342.265129][ T3274] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 342.271175][ T3274] RIP: 0033:0x7f85191c4049 [ 342.275627][ T3274] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 342.295493][ T3274] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 342.303979][ T3274] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 342.312015][ T3274] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 342.320049][ T3274] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 342.328618][ T3274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 342.336592][ T3274] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 342.351564][ T3280] FAULT_INJECTION: forcing a failure. [ 342.351564][ T3280] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 342.352213][ T3281] FAULT_INJECTION: forcing a failure. [ 342.352213][ T3281] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 342.368178][ T3280] CPU: 1 PID: 3280 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 342.378383][ T3282] FAULT_INJECTION: forcing a failure. [ 342.378383][ T3282] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 342.388910][ T3280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 342.388914][ T3280] Call Trace: [ 342.388934][ T3280] dump_stack_lvl+0x1e2/0x24b [ 342.388944][ T3280] ? bfq_pos_tree_add_move+0x43e/0x43e [ 342.388954][ T3280] ? vsnprintf+0x1fa/0x1cd0 [ 342.388963][ T3280] dump_stack+0x15/0x17 [ 342.388972][ T3280] should_fail+0x3c0/0x510 [ 342.388988][ T3280] should_fail_usercopy+0x1a/0x20 [ 342.445479][ T3280] _copy_from_user+0x20/0xd0 [ 342.450142][ T3280] kstrtouint_from_user+0xd7/0x2b0 [ 342.455242][ T3280] ? kstrtol_from_user+0x310/0x310 [ 342.460340][ T3280] ? snprintf+0xd6/0x120 [ 342.464574][ T3280] ? avc_policy_seqno+0x1b/0x70 [ 342.469668][ T3280] ? selinux_file_permission+0x2a9/0x520 [ 342.475291][ T3280] proc_fail_nth_write+0xa5/0x290 [ 342.480299][ T3280] ? security_file_permission+0x9d/0xc0 [ 342.485829][ T3280] ? proc_fail_nth_read+0x220/0x220 [ 342.491003][ T3280] ? security_file_permission+0xa8/0xc0 [ 342.496529][ T3280] ? rw_verify_area+0x1c2/0x360 [ 342.501794][ T3280] ? proc_fail_nth_read+0x220/0x220 [ 342.506982][ T3280] vfs_write+0x39b/0xf80 [ 342.511206][ T3280] ? kernel_write+0x420/0x420 [ 342.515960][ T3280] ? __kasan_check_write+0x14/0x20 [ 342.521141][ T3280] ? mutex_lock+0xb2/0x1e0 [ 342.525631][ T3280] ? mutex_trylock+0x180/0x180 [ 342.530408][ T3280] ? __fdget_pos+0x26d/0x310 [ 342.534977][ T3280] ? ksys_write+0x77/0x2c0 [ 342.539630][ T3280] ksys_write+0x198/0x2c0 [ 342.544997][ T3280] ? __kasan_check_write+0x14/0x20 [ 342.550087][ T3280] ? __ia32_sys_read+0x90/0x90 [ 342.554920][ T3280] ? debug_smp_processor_id+0x17/0x20 [ 342.560359][ T3280] __x64_sys_write+0x7b/0x90 [ 342.565031][ T3280] do_syscall_64+0x34/0x70 [ 342.569427][ T3280] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 342.575299][ T3280] RIP: 0033:0x7f6ebe0d0b5f [ 342.579695][ T3280] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 342.599897][ T3280] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 342.608552][ T3280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 342.616597][ T3280] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 342.624551][ T3280] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 342.632677][ T3280] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 342.640811][ T3280] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 342.648859][ T3281] CPU: 0 PID: 3281 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 342.656363][ T3288] FAULT_INJECTION: forcing a failure. [ 342.656363][ T3288] name failslab, interval 1, probability 0, space 0, times 0 [ 342.659367][ T3281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 342.682044][ T3281] Call Trace: [ 342.685754][ T3281] dump_stack_lvl+0x1e2/0x24b [ 342.690595][ T3281] ? bfq_pos_tree_add_move+0x43e/0x43e [ 342.696032][ T3281] ? vsnprintf+0x1fa/0x1cd0 [ 342.700533][ T3281] dump_stack+0x15/0x17 [ 342.704683][ T3281] should_fail+0x3c0/0x510 [ 342.709207][ T3281] should_fail_usercopy+0x1a/0x20 [ 342.714217][ T3281] _copy_from_user+0x20/0xd0 [ 342.718790][ T3281] kstrtouint_from_user+0xd7/0x2b0 [ 342.723886][ T3281] ? kstrtol_from_user+0x310/0x310 [ 342.728978][ T3281] ? snprintf+0xd6/0x120 [ 342.733228][ T3281] ? avc_policy_seqno+0x1b/0x70 [ 342.738149][ T3281] ? selinux_file_permission+0x2a9/0x520 [ 342.743762][ T3281] proc_fail_nth_write+0xa5/0x290 [ 342.748852][ T3281] ? security_file_permission+0x9d/0xc0 [ 342.754919][ T3281] ? proc_fail_nth_read+0x220/0x220 [ 342.760111][ T3281] ? security_file_permission+0xa8/0xc0 [ 342.765670][ T3281] ? rw_verify_area+0x1c2/0x360 [ 342.770506][ T3281] ? proc_fail_nth_read+0x220/0x220 [ 342.775689][ T3281] vfs_write+0x39b/0xf80 [ 342.780009][ T3281] ? kernel_write+0x420/0x420 [ 342.784668][ T3281] ? __kasan_check_write+0x14/0x20 [ 342.790105][ T3281] ? mutex_lock+0xb2/0x1e0 [ 342.794586][ T3281] ? mutex_trylock+0x180/0x180 [ 342.799339][ T3281] ? __fdget_pos+0x26d/0x310 [ 342.803925][ T3281] ? ksys_write+0x77/0x2c0 [ 342.808406][ T3281] ksys_write+0x198/0x2c0 [ 342.812717][ T3281] ? __kasan_check_write+0x14/0x20 [ 342.817816][ T3281] ? __ia32_sys_read+0x90/0x90 [ 342.822765][ T3281] ? debug_smp_processor_id+0x17/0x20 [ 342.828383][ T3281] __x64_sys_write+0x7b/0x90 [ 342.833047][ T3281] do_syscall_64+0x34/0x70 [ 342.837710][ T3281] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 342.844192][ T3281] RIP: 0033:0x7faa22393b5f [ 342.848679][ T3281] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 342.868577][ T3281] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 342.877420][ T3281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 342.885473][ T3281] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 342.893521][ T3281] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 342.901486][ T3281] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 342.909473][ T3281] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 342.917636][ T3282] CPU: 1 PID: 3282 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 342.928213][ T3282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 342.938351][ T3282] Call Trace: [ 342.941627][ T3282] dump_stack_lvl+0x1e2/0x24b [ 342.946285][ T3282] ? bfq_pos_tree_add_move+0x43e/0x43e [ 342.951717][ T3282] ? vsnprintf+0x1fa/0x1cd0 [ 342.956217][ T3282] dump_stack+0x15/0x17 [ 342.960868][ T3282] should_fail+0x3c0/0x510 [ 342.965350][ T3282] should_fail_usercopy+0x1a/0x20 [ 342.970870][ T3282] _copy_from_user+0x20/0xd0 [ 342.975571][ T3282] kstrtouint_from_user+0xd7/0x2b0 [ 342.981092][ T3282] ? kstrtol_from_user+0x310/0x310 [ 342.986361][ T3282] ? snprintf+0xd6/0x120 [ 342.990754][ T3282] ? avc_policy_seqno+0x1b/0x70 [ 342.995841][ T3282] ? selinux_file_permission+0x2a9/0x520 [ 343.001558][ T3282] proc_fail_nth_write+0xa5/0x290 [ 343.006678][ T3282] ? security_file_permission+0x9d/0xc0 [ 343.012524][ T3282] ? proc_fail_nth_read+0x220/0x220 [ 343.017711][ T3282] ? security_file_permission+0xa8/0xc0 [ 343.023346][ T3282] ? rw_verify_area+0x1c2/0x360 [ 343.028241][ T3282] ? proc_fail_nth_read+0x220/0x220 [ 343.033501][ T3282] vfs_write+0x39b/0xf80 [ 343.037806][ T3282] ? kernel_write+0x420/0x420 [ 343.042461][ T3282] ? __kasan_check_write+0x14/0x20 [ 343.047647][ T3282] ? mutex_lock+0xb2/0x1e0 [ 343.052324][ T3282] ? mutex_trylock+0x180/0x180 [ 343.057326][ T3282] ? __fdget_pos+0x26d/0x310 [ 343.061905][ T3282] ? ksys_write+0x77/0x2c0 [ 343.066323][ T3282] ksys_write+0x198/0x2c0 [ 343.070809][ T3282] ? __kasan_check_write+0x14/0x20 [ 343.076091][ T3282] ? __ia32_sys_read+0x90/0x90 [ 343.081019][ T3282] ? debug_smp_processor_id+0x17/0x20 [ 343.086365][ T3282] __x64_sys_write+0x7b/0x90 [ 343.091090][ T3282] do_syscall_64+0x34/0x70 [ 343.095790][ T3282] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 343.102075][ T3282] RIP: 0033:0x7f7d1c31ab5f [ 343.106643][ T3282] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 343.127035][ T3282] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 343.135523][ T3282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 343.143499][ T3282] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 2022/08/30 17:01:24 executed programs: 1289 [ 343.151543][ T3282] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 343.159503][ T3282] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 343.167452][ T3282] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 343.179584][ T3288] CPU: 0 PID: 3288 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 343.190707][ T3288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 343.200961][ T3288] Call Trace: [ 343.204342][ T3288] dump_stack_lvl+0x1e2/0x24b [ 343.209008][ T3288] ? panic+0x7d7/0x7d7 [ 343.213146][ T3288] ? bfq_pos_tree_add_move+0x43e/0x43e [ 343.218694][ T3288] ? find_next_bit+0xd6/0x120 [ 343.223441][ T3288] ? cpumask_next+0x11/0x30 [ 343.227932][ T3288] dump_stack+0x15/0x17 [ 343.232085][ T3288] should_fail+0x3c0/0x510 [ 343.236484][ T3288] ? percpu_ref_init+0xd0/0x340 [ 343.241330][ T3288] __should_failslab+0x9f/0xe0 [ 343.246307][ T3288] should_failslab+0x9/0x20 [ 343.251236][ T3288] kmem_cache_alloc_trace+0x3a/0x330 [ 343.256518][ T3288] percpu_ref_init+0xd0/0x340 [ 343.261396][ T3288] ? cgroup_setup_root+0xea0/0xea0 [ 343.266583][ T3288] cgroup_apply_control_enable+0x3a2/0x12f0 [ 343.272464][ T3288] ? cgroup_reconfigure+0xe0/0xe0 [ 343.277488][ T3288] cgroup_apply_control+0x8e/0x7e0 [ 343.283133][ T3288] ? css_next_child+0x160/0x160 [ 343.288358][ T3288] ? io_schedule+0x120/0x120 [ 343.292941][ T3288] ? kernfs_fop_write_iter+0x15e/0x410 [ 343.298505][ T3288] ? __kasan_check_write+0x14/0x20 [ 343.303780][ T3288] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 343.309091][ T3288] cgroup_subtree_control_write+0xd19/0x1310 [ 343.315351][ T3288] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 343.321505][ T3288] ? __kasan_check_write+0x14/0x20 [ 343.326737][ T3288] ? _copy_from_iter+0x3fb/0xd60 [ 343.332081][ T3288] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 343.338342][ T3288] cgroup_file_write+0x28e/0x590 [ 343.343597][ T3288] ? cgroup_seqfile_stop+0xc0/0xc0 [ 343.348858][ T3288] ? mutex_trylock+0x180/0x180 [ 343.353960][ T3288] ? __kasan_check_write+0x14/0x20 [ 343.359164][ T3288] kernfs_fop_write_iter+0x2d0/0x410 [ 343.364522][ T3288] ? cgroup_seqfile_stop+0xc0/0xc0 [ 343.369710][ T3288] vfs_write+0xc4a/0xf80 [ 343.373992][ T3288] ? kernel_write+0x420/0x420 [ 343.379115][ T3288] ? mutex_lock+0xb2/0x1e0 [ 343.383513][ T3288] ? mutex_trylock+0x180/0x180 [ 343.388275][ T3288] ? __fdget_pos+0x26d/0x310 [ 343.392845][ T3288] ? ksys_write+0x77/0x2c0 [ 343.397355][ T3288] ksys_write+0x198/0x2c0 [ 343.401679][ T3288] ? __ia32_sys_read+0x90/0x90 [ 343.406518][ T3288] ? debug_smp_processor_id+0x17/0x20 [ 343.412250][ T3288] __x64_sys_write+0x7b/0x90 [ 343.417352][ T3288] do_syscall_64+0x34/0x70 [ 343.421850][ T3288] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 343.427729][ T3288] RIP: 0033:0x7f85191c4049 [ 343.432326][ T3288] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 343.452314][ T3288] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 343.460908][ T3288] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 343.469168][ T3288] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 343.477573][ T3288] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 343.485772][ T3288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 343.494837][ T3288] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 343.509891][ T3296] FAULT_INJECTION: forcing a failure. [ 343.509891][ T3296] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 343.519927][ T3299] FAULT_INJECTION: forcing a failure. [ 343.519927][ T3299] name failslab, interval 1, probability 0, space 0, times 0 [ 343.529352][ T3296] CPU: 1 PID: 3296 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 343.546469][ T3296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 343.556771][ T3296] Call Trace: [ 343.560052][ T3296] dump_stack_lvl+0x1e2/0x24b [ 343.564999][ T3296] ? bfq_pos_tree_add_move+0x43e/0x43e [ 343.570513][ T3296] ? vsnprintf+0x1fa/0x1cd0 [ 343.575004][ T3296] dump_stack+0x15/0x17 [ 343.579314][ T3296] should_fail+0x3c0/0x510 [ 343.584061][ T3296] should_fail_usercopy+0x1a/0x20 [ 343.589159][ T3296] _copy_from_user+0x20/0xd0 [ 343.593997][ T3296] kstrtouint_from_user+0xd7/0x2b0 [ 343.599106][ T3296] ? kstrtol_from_user+0x310/0x310 [ 343.604218][ T3296] ? snprintf+0xd6/0x120 [ 343.608620][ T3296] ? avc_policy_seqno+0x1b/0x70 [ 343.613456][ T3296] ? selinux_file_permission+0x2a9/0x520 [ 343.619247][ T3296] proc_fail_nth_write+0xa5/0x290 [ 343.624259][ T3296] ? security_file_permission+0x9d/0xc0 [ 343.629789][ T3296] ? proc_fail_nth_read+0x220/0x220 [ 343.634973][ T3296] ? security_file_permission+0xa8/0xc0 [ 343.640585][ T3296] ? rw_verify_area+0x1c2/0x360 [ 343.645414][ T3296] ? proc_fail_nth_read+0x220/0x220 [ 343.650771][ T3296] vfs_write+0x39b/0xf80 [ 343.654998][ T3296] ? kernel_write+0x420/0x420 [ 343.659656][ T3296] ? __kasan_check_write+0x14/0x20 [ 343.664848][ T3296] ? mutex_lock+0xb2/0x1e0 [ 343.669243][ T3296] ? mutex_trylock+0x180/0x180 [ 343.674341][ T3296] ? __fdget_pos+0x26d/0x310 [ 343.678911][ T3296] ? ksys_write+0x77/0x2c0 [ 343.683306][ T3296] ksys_write+0x198/0x2c0 [ 343.687731][ T3296] ? __ia32_sys_read+0x90/0x90 [ 343.692493][ T3296] ? debug_smp_processor_id+0x17/0x20 [ 343.697851][ T3296] __x64_sys_write+0x7b/0x90 [ 343.702444][ T3296] do_syscall_64+0x34/0x70 [ 343.706845][ T3296] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 343.712733][ T3296] RIP: 0033:0x7faa22393b5f [ 343.717146][ T3296] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 343.736736][ T3296] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 343.745137][ T3296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 343.753193][ T3296] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 343.761147][ T3296] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 343.769103][ T3296] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 343.777103][ T3296] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 343.786911][ T3299] CPU: 1 PID: 3299 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 343.797587][ T3299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 343.807971][ T3299] Call Trace: [ 343.811335][ T3299] dump_stack_lvl+0x1e2/0x24b [ 343.816007][ T3299] ? panic+0x7d7/0x7d7 [ 343.820076][ T3299] ? bfq_pos_tree_add_move+0x43e/0x43e [ 343.825526][ T3299] ? find_next_bit+0xd6/0x120 [ 343.830385][ T3299] ? cpumask_next+0x11/0x30 [ 343.834977][ T3299] dump_stack+0x15/0x17 [ 343.839221][ T3299] should_fail+0x3c0/0x510 [ 343.843817][ T3299] ? percpu_ref_init+0xd0/0x340 [ 343.848772][ T3299] __should_failslab+0x9f/0xe0 [ 343.853726][ T3299] should_failslab+0x9/0x20 [ 343.858214][ T3299] kmem_cache_alloc_trace+0x3a/0x330 [ 343.863476][ T3299] percpu_ref_init+0xd0/0x340 [ 343.868402][ T3299] ? cgroup_setup_root+0xea0/0xea0 [ 343.873493][ T3299] cgroup_apply_control_enable+0x3a2/0x12f0 [ 343.879647][ T3299] ? cgroup_reconfigure+0xe0/0xe0 [ 343.884742][ T3299] cgroup_apply_control+0x8e/0x7e0 [ 343.890375][ T3299] ? css_next_child+0x160/0x160 [ 343.895288][ T3299] ? io_schedule+0x120/0x120 [ 343.899947][ T3299] ? kernfs_fop_write_iter+0x15e/0x410 [ 343.905387][ T3299] ? __kasan_check_write+0x14/0x20 [ 343.910473][ T3299] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 343.915737][ T3299] cgroup_subtree_control_write+0xd19/0x1310 [ 343.921867][ T3299] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 343.927909][ T3299] ? __kasan_check_write+0x14/0x20 [ 343.933178][ T3299] ? _copy_from_iter+0x3fb/0xd60 [ 343.938469][ T3299] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 343.944445][ T3299] cgroup_file_write+0x28e/0x590 [ 343.949728][ T3299] ? cgroup_seqfile_stop+0xc0/0xc0 [ 343.954912][ T3299] ? mutex_trylock+0x180/0x180 [ 343.960097][ T3299] ? __kasan_check_write+0x14/0x20 [ 343.965298][ T3299] kernfs_fop_write_iter+0x2d0/0x410 [ 343.970755][ T3299] ? cgroup_seqfile_stop+0xc0/0xc0 [ 343.976299][ T3299] vfs_write+0xc4a/0xf80 [ 343.980912][ T3299] ? kernel_write+0x420/0x420 [ 343.985880][ T3299] ? mutex_lock+0xb2/0x1e0 [ 343.991618][ T3299] ? mutex_trylock+0x180/0x180 [ 343.996750][ T3299] ? __fdget_pos+0x26d/0x310 [ 344.001707][ T3299] ? ksys_write+0x77/0x2c0 [ 344.006206][ T3299] ksys_write+0x198/0x2c0 [ 344.010627][ T3299] ? __ia32_sys_read+0x90/0x90 [ 344.015794][ T3299] ? debug_smp_processor_id+0x17/0x20 [ 344.021264][ T3299] __x64_sys_write+0x7b/0x90 [ 344.026119][ T3299] do_syscall_64+0x34/0x70 [ 344.030715][ T3299] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 344.037227][ T3299] RIP: 0033:0x7f85191c4049 [ 344.042078][ T3299] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 344.062827][ T3299] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 344.071416][ T3299] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 344.079559][ T3299] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 344.088336][ T3299] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 344.097254][ T3299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 344.106562][ T3299] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 344.123236][ T3304] FAULT_INJECTION: forcing a failure. [ 344.123236][ T3304] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.128143][ T3300] FAULT_INJECTION: forcing a failure. [ 344.128143][ T3300] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.141648][ T3306] FAULT_INJECTION: forcing a failure. [ 344.141648][ T3306] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.153479][ T3300] CPU: 1 PID: 3300 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 344.175050][ T3302] FAULT_INJECTION: forcing a failure. [ 344.175050][ T3302] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.177100][ T3300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 344.200676][ T3300] Call Trace: [ 344.204052][ T3300] dump_stack_lvl+0x1e2/0x24b [ 344.208741][ T3300] ? bfq_pos_tree_add_move+0x43e/0x43e [ 344.214293][ T3300] ? vsnprintf+0x1fa/0x1cd0 [ 344.218762][ T3309] FAULT_INJECTION: forcing a failure. [ 344.218762][ T3309] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.218888][ T3300] dump_stack+0x15/0x17 [ 344.236746][ T3300] should_fail+0x3c0/0x510 [ 344.241246][ T3300] should_fail_usercopy+0x1a/0x20 [ 344.246310][ T3300] _copy_from_user+0x20/0xd0 [ 344.250986][ T3300] kstrtouint_from_user+0xd7/0x2b0 [ 344.256270][ T3300] ? kstrtol_from_user+0x310/0x310 [ 344.261454][ T3300] ? snprintf+0xd6/0x120 [ 344.265894][ T3300] ? avc_policy_seqno+0x1b/0x70 [ 344.271171][ T3300] ? selinux_file_permission+0x2a9/0x520 [ 344.279045][ T3300] proc_fail_nth_write+0xa5/0x290 [ 344.284232][ T3300] ? security_file_permission+0x9d/0xc0 [ 344.289781][ T3300] ? proc_fail_nth_read+0x220/0x220 [ 344.295167][ T3300] ? security_file_permission+0xa8/0xc0 [ 344.300713][ T3300] ? rw_verify_area+0x1c2/0x360 [ 344.305849][ T3300] ? proc_fail_nth_read+0x220/0x220 [ 344.311382][ T3300] vfs_write+0x39b/0xf80 [ 344.315699][ T3300] ? kernel_write+0x420/0x420 [ 344.320446][ T3300] ? __kasan_check_write+0x14/0x20 [ 344.325539][ T3300] ? mutex_lock+0xb2/0x1e0 [ 344.329938][ T3300] ? mutex_trylock+0x180/0x180 [ 344.334695][ T3300] ? __fdget_pos+0x26d/0x310 [ 344.339482][ T3300] ? ksys_write+0x77/0x2c0 [ 344.344239][ T3300] ksys_write+0x198/0x2c0 [ 344.348654][ T3300] ? __kasan_check_write+0x14/0x20 [ 344.353839][ T3300] ? __ia32_sys_read+0x90/0x90 [ 344.358800][ T3300] ? debug_smp_processor_id+0x17/0x20 [ 344.364393][ T3300] __x64_sys_write+0x7b/0x90 [ 344.369154][ T3300] do_syscall_64+0x34/0x70 [ 344.373677][ T3300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 344.379560][ T3300] RIP: 0033:0x7f869ba6eb5f [ 344.384052][ T3300] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 344.404102][ T3300] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 344.412672][ T3300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 344.421139][ T3300] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 344.429375][ T3300] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 344.437543][ T3300] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 344.445721][ T3300] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 344.453700][ T3309] CPU: 0 PID: 3309 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 344.464109][ T3309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 344.474590][ T3309] Call Trace: [ 344.477886][ T3309] dump_stack_lvl+0x1e2/0x24b [ 344.482648][ T3309] ? bfq_pos_tree_add_move+0x43e/0x43e [ 344.488103][ T3309] ? vsnprintf+0x1fa/0x1cd0 [ 344.492671][ T3309] dump_stack+0x15/0x17 [ 344.496802][ T3309] should_fail+0x3c0/0x510 [ 344.501198][ T3309] should_fail_usercopy+0x1a/0x20 [ 344.506198][ T3309] _copy_from_user+0x20/0xd0 [ 344.510769][ T3309] kstrtouint_from_user+0xd7/0x2b0 [ 344.515854][ T3309] ? kstrtol_from_user+0x310/0x310 [ 344.520991][ T3309] ? snprintf+0xd6/0x120 [ 344.525211][ T3309] ? avc_policy_seqno+0x1b/0x70 [ 344.530255][ T3309] ? selinux_file_permission+0x2a9/0x520 [ 344.535869][ T3309] proc_fail_nth_write+0xa5/0x290 [ 344.540882][ T3309] ? security_file_permission+0x9d/0xc0 [ 344.546675][ T3309] ? proc_fail_nth_read+0x220/0x220 [ 344.551848][ T3309] ? security_file_permission+0xa8/0xc0 [ 344.557646][ T3309] ? rw_verify_area+0x1c2/0x360 [ 344.562561][ T3309] ? proc_fail_nth_read+0x220/0x220 [ 344.567736][ T3309] vfs_write+0x39b/0xf80 [ 344.571956][ T3309] ? kernel_write+0x420/0x420 [ 344.576976][ T3309] ? __kasan_check_write+0x14/0x20 [ 344.582062][ T3309] ? mutex_lock+0xb2/0x1e0 [ 344.586469][ T3309] ? mutex_trylock+0x180/0x180 [ 344.591210][ T3309] ? __fdget_pos+0x26d/0x310 [ 344.595818][ T3309] ? ksys_write+0x77/0x2c0 [ 344.600364][ T3309] ksys_write+0x198/0x2c0 [ 344.604759][ T3309] ? __ia32_sys_read+0x90/0x90 [ 344.609503][ T3309] ? debug_smp_processor_id+0x17/0x20 [ 344.615112][ T3309] __x64_sys_write+0x7b/0x90 [ 344.619676][ T3309] do_syscall_64+0x34/0x70 [ 344.624180][ T3309] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 344.630147][ T3309] RIP: 0033:0x7f7d1c31ab5f [ 344.634554][ T3309] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 344.654309][ T3309] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 344.662710][ T3309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 344.670922][ T3309] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 344.679945][ T3309] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 344.688258][ T3309] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 344.696401][ T3309] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 344.705883][ T3302] CPU: 0 PID: 3302 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 344.716510][ T3302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 344.725511][ T3311] FAULT_INJECTION: forcing a failure. [ 344.725511][ T3311] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.726635][ T3302] Call Trace: [ 344.726652][ T3302] dump_stack_lvl+0x1e2/0x24b [ 344.726670][ T3302] ? bfq_pos_tree_add_move+0x43e/0x43e [ 344.753598][ T3302] ? vsnprintf+0x1fa/0x1cd0 [ 344.758185][ T3302] dump_stack+0x15/0x17 [ 344.762414][ T3302] should_fail+0x3c0/0x510 [ 344.766822][ T3302] should_fail_usercopy+0x1a/0x20 [ 344.772033][ T3302] _copy_from_user+0x20/0xd0 [ 344.775780][ T3313] FAULT_INJECTION: forcing a failure. [ 344.775780][ T3313] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 344.776698][ T3302] kstrtouint_from_user+0xd7/0x2b0 [ 344.795855][ T3302] ? kstrtol_from_user+0x310/0x310 [ 344.801222][ T3302] ? snprintf+0xd6/0x120 [ 344.805657][ T3302] ? avc_policy_seqno+0x1b/0x70 [ 344.810577][ T3302] ? selinux_file_permission+0x2a9/0x520 [ 344.816188][ T3302] proc_fail_nth_write+0xa5/0x290 [ 344.821297][ T3302] ? security_file_permission+0x9d/0xc0 [ 344.826921][ T3302] ? proc_fail_nth_read+0x220/0x220 [ 344.832296][ T3302] ? security_file_permission+0xa8/0xc0 [ 344.837940][ T3302] ? rw_verify_area+0x1c2/0x360 [ 344.842780][ T3302] ? proc_fail_nth_read+0x220/0x220 [ 344.847958][ T3302] vfs_write+0x39b/0xf80 [ 344.852237][ T3302] ? kernel_write+0x420/0x420 [ 344.856982][ T3302] ? __kasan_check_write+0x14/0x20 [ 344.862068][ T3302] ? mutex_lock+0xb2/0x1e0 [ 344.866569][ T3302] ? mutex_trylock+0x180/0x180 [ 344.871346][ T3302] ? __fdget_pos+0x26d/0x310 [ 344.875941][ T3302] ? ksys_write+0x77/0x2c0 [ 344.880510][ T3302] ksys_write+0x198/0x2c0 [ 344.885793][ T3302] ? __kasan_check_write+0x14/0x20 [ 344.891026][ T3302] ? __ia32_sys_read+0x90/0x90 [ 344.896137][ T3302] ? debug_smp_processor_id+0x17/0x20 [ 344.901704][ T3302] __x64_sys_write+0x7b/0x90 [ 344.906305][ T3302] do_syscall_64+0x34/0x70 [ 344.910895][ T3302] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 344.916789][ T3302] RIP: 0033:0x7faa22393b5f [ 344.921200][ T3302] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 344.941264][ T3302] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 344.949763][ T3302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 344.958073][ T3302] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 344.966122][ T3302] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 344.974167][ T3302] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 344.982225][ T3302] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 344.990371][ T3311] CPU: 1 PID: 3311 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 345.001043][ T3311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 345.011276][ T3311] Call Trace: [ 345.014660][ T3311] dump_stack_lvl+0x1e2/0x24b [ 345.019369][ T3311] ? bfq_pos_tree_add_move+0x43e/0x43e [ 345.024860][ T3311] ? vsnprintf+0x1fa/0x1cd0 [ 345.029358][ T3311] dump_stack+0x15/0x17 [ 345.033513][ T3311] should_fail+0x3c0/0x510 [ 345.037927][ T3311] should_fail_usercopy+0x1a/0x20 [ 345.043089][ T3311] _copy_from_user+0x20/0xd0 [ 345.047718][ T3311] kstrtouint_from_user+0xd7/0x2b0 [ 345.052809][ T3311] ? kstrtol_from_user+0x310/0x310 [ 345.057900][ T3311] ? snprintf+0xd6/0x120 [ 345.062129][ T3311] ? avc_policy_seqno+0x1b/0x70 [ 345.066953][ T3311] ? selinux_file_permission+0x2a9/0x520 [ 345.072647][ T3311] proc_fail_nth_write+0xa5/0x290 [ 345.077732][ T3311] ? security_file_permission+0x9d/0xc0 [ 345.083425][ T3311] ? proc_fail_nth_read+0x220/0x220 [ 345.088797][ T3311] ? security_file_permission+0xa8/0xc0 [ 345.094329][ T3311] ? rw_verify_area+0x1c2/0x360 [ 345.099240][ T3311] ? proc_fail_nth_read+0x220/0x220 [ 345.104420][ T3311] vfs_write+0x39b/0xf80 [ 345.108636][ T3311] ? kernel_write+0x420/0x420 [ 345.113299][ T3311] ? __kasan_check_write+0x14/0x20 [ 345.118914][ T3311] ? mutex_lock+0xb2/0x1e0 [ 345.123302][ T3311] ? mutex_trylock+0x180/0x180 [ 345.128039][ T3311] ? __fdget_pos+0x26d/0x310 [ 345.133039][ T3311] ? ksys_write+0x77/0x2c0 [ 345.138823][ T3311] ksys_write+0x198/0x2c0 [ 345.143135][ T3311] ? __ia32_sys_read+0x90/0x90 [ 345.148112][ T3311] ? debug_smp_processor_id+0x17/0x20 [ 345.153557][ T3311] __x64_sys_write+0x7b/0x90 [ 345.158122][ T3311] do_syscall_64+0x34/0x70 [ 345.162716][ T3311] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 345.168669][ T3311] RIP: 0033:0x7f7d1c31ab5f [ 345.173062][ T3311] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 345.192828][ T3311] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 345.201478][ T3311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 345.209422][ T3311] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 345.217725][ T3311] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 345.225845][ T3311] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 345.234236][ T3311] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 345.245119][ T3306] CPU: 0 PID: 3306 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 345.255655][ T3306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 345.266461][ T3306] Call Trace: [ 345.269962][ T3306] dump_stack_lvl+0x1e2/0x24b [ 345.274724][ T3306] ? bfq_pos_tree_add_move+0x43e/0x43e [ 345.280519][ T3306] ? vsnprintf+0x1fa/0x1cd0 [ 345.285274][ T3306] dump_stack+0x15/0x17 [ 345.289600][ T3306] should_fail+0x3c0/0x510 [ 345.294002][ T3306] should_fail_usercopy+0x1a/0x20 [ 345.299189][ T3306] _copy_from_user+0x20/0xd0 [ 345.303764][ T3306] kstrtouint_from_user+0xd7/0x2b0 [ 345.309056][ T3306] ? kstrtol_from_user+0x310/0x310 [ 345.314348][ T3306] ? snprintf+0xd6/0x120 [ 345.318589][ T3306] ? avc_policy_seqno+0x1b/0x70 [ 345.323508][ T3306] ? selinux_file_permission+0x2a9/0x520 [ 345.329125][ T3306] proc_fail_nth_write+0xa5/0x290 [ 345.334222][ T3306] ? security_file_permission+0x9d/0xc0 [ 345.339857][ T3306] ? proc_fail_nth_read+0x220/0x220 [ 345.345034][ T3306] ? security_file_permission+0xa8/0xc0 [ 345.350559][ T3306] ? rw_verify_area+0x1c2/0x360 [ 345.355394][ T3306] ? proc_fail_nth_read+0x220/0x220 [ 345.360602][ T3306] vfs_write+0x39b/0xf80 [ 345.364826][ T3306] ? kernel_write+0x420/0x420 [ 345.369521][ T3306] ? __kasan_check_write+0x14/0x20 [ 345.374794][ T3306] ? mutex_lock+0xb2/0x1e0 [ 345.379304][ T3306] ? mutex_trylock+0x180/0x180 [ 345.384401][ T3306] ? __fdget_pos+0x26d/0x310 [ 345.389421][ T3306] ? ksys_write+0x77/0x2c0 [ 345.393932][ T3306] ksys_write+0x198/0x2c0 [ 345.398357][ T3306] ? __ia32_sys_read+0x90/0x90 [ 345.403303][ T3306] ? debug_smp_processor_id+0x17/0x20 [ 345.409027][ T3306] __x64_sys_write+0x7b/0x90 [ 345.414207][ T3306] do_syscall_64+0x34/0x70 [ 345.418718][ T3306] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 345.424685][ T3306] RIP: 0033:0x7f6ebe0d0b5f [ 345.429183][ T3306] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 345.448859][ T3306] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 345.457716][ T3306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 345.465670][ T3306] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 345.473972][ T3306] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 345.475212][ T3315] FAULT_INJECTION: forcing a failure. [ 345.475212][ T3315] name failslab, interval 1, probability 0, space 0, times 0 [ 345.482101][ T3306] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 345.482108][ T3306] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 345.483320][ T3304] CPU: 0 PID: 3304 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 345.521862][ T3304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 345.532245][ T3304] Call Trace: [ 345.535521][ T3304] dump_stack_lvl+0x1e2/0x24b [ 345.540271][ T3304] ? bfq_pos_tree_add_move+0x43e/0x43e [ 345.545888][ T3304] ? vsnprintf+0x1fa/0x1cd0 [ 345.550479][ T3304] dump_stack+0x15/0x17 [ 345.554726][ T3304] should_fail+0x3c0/0x510 [ 345.559231][ T3304] should_fail_usercopy+0x1a/0x20 [ 345.564599][ T3304] _copy_from_user+0x20/0xd0 [ 345.569829][ T3304] kstrtouint_from_user+0xd7/0x2b0 [ 345.575222][ T3304] ? kstrtol_from_user+0x310/0x310 [ 345.580426][ T3304] ? snprintf+0xd6/0x120 [ 345.584756][ T3304] ? avc_policy_seqno+0x1b/0x70 [ 345.589590][ T3304] ? selinux_file_permission+0x2a9/0x520 [ 345.596619][ T3304] proc_fail_nth_write+0xa5/0x290 [ 345.602237][ T3304] ? security_file_permission+0x9d/0xc0 [ 345.608149][ T3304] ? proc_fail_nth_read+0x220/0x220 [ 345.613852][ T3304] ? security_file_permission+0xa8/0xc0 [ 345.619843][ T3304] ? rw_verify_area+0x1c2/0x360 [ 345.624860][ T3304] ? proc_fail_nth_read+0x220/0x220 [ 345.630133][ T3304] vfs_write+0x39b/0xf80 [ 345.634983][ T3304] ? kernel_write+0x420/0x420 [ 345.640719][ T3304] ? __kasan_check_write+0x14/0x20 [ 345.646345][ T3304] ? mutex_lock+0xb2/0x1e0 [ 345.651001][ T3304] ? mutex_trylock+0x180/0x180 [ 345.656042][ T3304] ? __fdget_pos+0x26d/0x310 [ 345.660803][ T3304] ? ksys_write+0x77/0x2c0 [ 345.665302][ T3304] ksys_write+0x198/0x2c0 [ 345.669711][ T3304] ? __ia32_sys_read+0x90/0x90 [ 345.674821][ T3304] ? debug_smp_processor_id+0x17/0x20 [ 345.680373][ T3304] __x64_sys_write+0x7b/0x90 [ 345.685049][ T3304] do_syscall_64+0x34/0x70 [ 345.689725][ T3304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 345.695614][ T3304] RIP: 0033:0x7f022ab05b5f [ 345.700376][ T3304] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 345.720172][ T3304] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 345.728885][ T3304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 345.737020][ T3304] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 345.745057][ T3304] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 345.753006][ T3304] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 345.760960][ T3304] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 345.769257][ T3313] CPU: 0 PID: 3313 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 345.780009][ T3313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 345.790153][ T3313] Call Trace: [ 345.793524][ T3313] dump_stack_lvl+0x1e2/0x24b [ 345.798276][ T3313] ? bfq_pos_tree_add_move+0x43e/0x43e [ 345.803907][ T3313] ? vsnprintf+0x1fa/0x1cd0 [ 345.808678][ T3313] dump_stack+0x15/0x17 [ 345.812999][ T3313] should_fail+0x3c0/0x510 [ 345.817412][ T3313] should_fail_usercopy+0x1a/0x20 [ 345.822504][ T3313] _copy_from_user+0x20/0xd0 [ 345.827323][ T3313] kstrtouint_from_user+0xd7/0x2b0 [ 345.832424][ T3313] ? kstrtol_from_user+0x310/0x310 [ 345.837883][ T3313] ? snprintf+0xd6/0x120 [ 345.842215][ T3313] ? avc_policy_seqno+0x1b/0x70 [ 345.848894][ T3313] ? selinux_file_permission+0x2a9/0x520 [ 345.854522][ T3313] proc_fail_nth_write+0xa5/0x290 [ 345.859768][ T3313] ? security_file_permission+0x9d/0xc0 [ 345.865962][ T3313] ? proc_fail_nth_read+0x220/0x220 [ 345.871143][ T3313] ? security_file_permission+0xa8/0xc0 [ 345.876783][ T3313] ? rw_verify_area+0x1c2/0x360 [ 345.881701][ T3313] ? proc_fail_nth_read+0x220/0x220 [ 345.886969][ T3313] vfs_write+0x39b/0xf80 [ 345.891399][ T3313] ? kernel_write+0x420/0x420 [ 345.896091][ T3313] ? __kasan_check_write+0x14/0x20 [ 345.901826][ T3313] ? mutex_lock+0xb2/0x1e0 [ 345.906383][ T3313] ? mutex_trylock+0x180/0x180 [ 345.911380][ T3313] ? __fdget_pos+0x26d/0x310 [ 345.916265][ T3313] ? ksys_write+0x77/0x2c0 [ 345.920663][ T3313] ksys_write+0x198/0x2c0 [ 345.924990][ T3313] ? __ia32_sys_read+0x90/0x90 [ 345.930005][ T3313] ? debug_smp_processor_id+0x17/0x20 [ 345.935475][ T3313] __x64_sys_write+0x7b/0x90 [ 345.940230][ T3313] do_syscall_64+0x34/0x70 [ 345.944717][ T3313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 345.950681][ T3313] RIP: 0033:0x7f869ba6eb5f [ 345.955326][ T3313] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 345.976783][ T3313] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 345.985696][ T3313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 345.994026][ T3313] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 346.002125][ T3313] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 346.010261][ T3313] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 346.018685][ T3313] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 346.029672][ T3315] CPU: 1 PID: 3315 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 346.040319][ T3315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 346.050467][ T3315] Call Trace: [ 346.053751][ T3315] dump_stack_lvl+0x1e2/0x24b [ 346.058582][ T3315] ? panic+0x7d7/0x7d7 [ 346.062911][ T3315] ? bfq_pos_tree_add_move+0x43e/0x43e [ 346.068888][ T3315] ? find_next_bit+0xd6/0x120 [ 346.073540][ T3315] ? cpumask_next+0x11/0x30 [ 346.078093][ T3315] dump_stack+0x15/0x17 [ 346.082428][ T3315] should_fail+0x3c0/0x510 [ 346.086934][ T3315] ? percpu_ref_init+0xd0/0x340 [ 346.092557][ T3315] __should_failslab+0x9f/0xe0 [ 346.097489][ T3315] should_failslab+0x9/0x20 [ 346.101970][ T3315] kmem_cache_alloc_trace+0x3a/0x330 [ 346.107230][ T3315] percpu_ref_init+0xd0/0x340 [ 346.111883][ T3315] ? cgroup_setup_root+0xea0/0xea0 [ 346.116965][ T3315] cgroup_apply_control_enable+0x3a2/0x12f0 [ 346.122831][ T3315] ? cgroup_reconfigure+0xe0/0xe0 [ 346.127848][ T3315] cgroup_apply_control+0x8e/0x7e0 [ 346.133096][ T3315] ? css_next_child+0x160/0x160 [ 346.138118][ T3315] ? io_schedule+0x120/0x120 [ 346.142871][ T3315] ? kernfs_fop_write_iter+0x15e/0x410 [ 346.148806][ T3315] ? __kasan_check_write+0x14/0x20 [ 346.153903][ T3315] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 346.159169][ T3315] cgroup_subtree_control_write+0xd19/0x1310 [ 346.165240][ T3315] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 346.171285][ T3315] ? __kasan_check_write+0x14/0x20 [ 346.176483][ T3315] ? _copy_from_iter+0x3fb/0xd60 [ 346.181401][ T3315] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 346.187356][ T3315] cgroup_file_write+0x28e/0x590 [ 346.192620][ T3315] ? cgroup_seqfile_stop+0xc0/0xc0 [ 346.197710][ T3315] ? mutex_trylock+0x180/0x180 [ 346.202539][ T3315] ? __kasan_check_write+0x14/0x20 [ 346.207846][ T3315] kernfs_fop_write_iter+0x2d0/0x410 [ 346.213208][ T3315] ? cgroup_seqfile_stop+0xc0/0xc0 [ 346.218384][ T3315] vfs_write+0xc4a/0xf80 [ 346.222781][ T3315] ? kernel_write+0x420/0x420 [ 346.228442][ T3315] ? mutex_lock+0xb2/0x1e0 [ 346.233112][ T3315] ? mutex_trylock+0x180/0x180 [ 346.237876][ T3315] ? __fdget_pos+0x26d/0x310 [ 346.242543][ T3315] ? ksys_write+0x77/0x2c0 [ 346.247117][ T3315] ksys_write+0x198/0x2c0 [ 346.251666][ T3315] ? __ia32_sys_read+0x90/0x90 [ 346.256595][ T3315] ? debug_smp_processor_id+0x17/0x20 [ 346.262047][ T3315] __x64_sys_write+0x7b/0x90 [ 346.266611][ T3315] do_syscall_64+0x34/0x70 [ 346.271291][ T3315] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 346.277156][ T3315] RIP: 0033:0x7f85191c4049 [ 346.281658][ T3315] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 346.301635][ T3315] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 346.310129][ T3315] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 346.318108][ T3315] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 346.326144][ T3315] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 346.334091][ T3315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 346.342232][ T3315] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 346.351604][ T3318] FAULT_INJECTION: forcing a failure. [ 346.351604][ T3318] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.365265][ T3321] FAULT_INJECTION: forcing a failure. [ 346.365265][ T3321] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.375099][ T3318] CPU: 0 PID: 3318 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 346.378593][ T3323] FAULT_INJECTION: forcing a failure. [ 346.378593][ T3323] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.388777][ T3318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 346.388782][ T3318] Call Trace: [ 346.388801][ T3318] dump_stack_lvl+0x1e2/0x24b [ 346.388811][ T3318] ? bfq_pos_tree_add_move+0x43e/0x43e [ 346.388822][ T3318] ? vsnprintf+0x1fa/0x1cd0 [ 346.388840][ T3318] dump_stack+0x15/0x17 [ 346.402014][ T3325] FAULT_INJECTION: forcing a failure. [ 346.402014][ T3325] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.412051][ T3318] should_fail+0x3c0/0x510 [ 346.412061][ T3318] should_fail_usercopy+0x1a/0x20 [ 346.412071][ T3318] _copy_from_user+0x20/0xd0 [ 346.412087][ T3318] kstrtouint_from_user+0xd7/0x2b0 [ 346.469120][ T3318] ? kstrtol_from_user+0x310/0x310 [ 346.474233][ T3318] ? snprintf+0xd6/0x120 [ 346.478816][ T3318] ? avc_policy_seqno+0x1b/0x70 [ 346.484210][ T3318] ? selinux_file_permission+0x2a9/0x520 [ 346.490008][ T3318] proc_fail_nth_write+0xa5/0x290 [ 346.495302][ T3318] ? security_file_permission+0x9d/0xc0 [ 346.501017][ T3318] ? proc_fail_nth_read+0x220/0x220 [ 346.506229][ T3318] ? security_file_permission+0xa8/0xc0 [ 346.512021][ T3318] ? rw_verify_area+0x1c2/0x360 [ 346.516948][ T3318] ? proc_fail_nth_read+0x220/0x220 [ 346.522132][ T3318] vfs_write+0x39b/0xf80 [ 346.526356][ T3318] ? kernel_write+0x420/0x420 [ 346.531186][ T3318] ? __kasan_check_write+0x14/0x20 [ 346.536295][ T3318] ? mutex_lock+0xb2/0x1e0 [ 346.540976][ T3318] ? mutex_trylock+0x180/0x180 [ 346.545914][ T3318] ? __fdget_pos+0x26d/0x310 [ 346.550764][ T3318] ? ksys_write+0x77/0x2c0 [ 346.554989][ T3326] FAULT_INJECTION: forcing a failure. [ 346.554989][ T3326] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.555275][ T3318] ksys_write+0x198/0x2c0 [ 346.572788][ T3318] ? __kasan_check_write+0x14/0x20 [ 346.577989][ T3318] ? __ia32_sys_read+0x90/0x90 [ 346.582841][ T3318] ? debug_smp_processor_id+0x17/0x20 [ 346.588283][ T3318] __x64_sys_write+0x7b/0x90 [ 346.593323][ T3318] do_syscall_64+0x34/0x70 [ 346.597748][ T3318] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 346.603633][ T3318] RIP: 0033:0x7faa22393b5f [ 346.608212][ T3318] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 346.627976][ T3318] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 346.636558][ T3318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 346.644521][ T3318] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 346.652572][ T3318] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 346.660824][ T3318] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 346.668882][ T3318] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 346.677294][ T3323] CPU: 1 PID: 3323 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 346.688154][ T3323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 346.699005][ T3323] Call Trace: [ 346.702406][ T3323] dump_stack_lvl+0x1e2/0x24b [ 346.707342][ T3323] ? bfq_pos_tree_add_move+0x43e/0x43e [ 346.712791][ T3323] ? vsnprintf+0x1fa/0x1cd0 [ 346.717310][ T3323] dump_stack+0x15/0x17 [ 346.721644][ T3323] should_fail+0x3c0/0x510 [ 346.726175][ T3323] should_fail_usercopy+0x1a/0x20 [ 346.731272][ T3323] _copy_from_user+0x20/0xd0 [ 346.733747][ T3329] FAULT_INJECTION: forcing a failure. [ 346.733747][ T3329] name failslab, interval 1, probability 0, space 0, times 0 [ 346.735847][ T3323] kstrtouint_from_user+0xd7/0x2b0 [ 346.735858][ T3323] ? kstrtol_from_user+0x310/0x310 [ 346.735867][ T3323] ? snprintf+0xd6/0x120 [ 346.735879][ T3323] ? avc_policy_seqno+0x1b/0x70 [ 346.735895][ T3323] ? selinux_file_permission+0x2a9/0x520 [ 346.775273][ T3323] proc_fail_nth_write+0xa5/0x290 [ 346.780388][ T3323] ? security_file_permission+0x9d/0xc0 [ 346.787018][ T3323] ? proc_fail_nth_read+0x220/0x220 [ 346.792474][ T3323] ? security_file_permission+0xa8/0xc0 [ 346.798242][ T3323] ? rw_verify_area+0x1c2/0x360 [ 346.803076][ T3323] ? proc_fail_nth_read+0x220/0x220 [ 346.808421][ T3323] vfs_write+0x39b/0xf80 [ 346.812691][ T3323] ? kernel_write+0x420/0x420 [ 346.817539][ T3323] ? __kasan_check_write+0x14/0x20 [ 346.822644][ T3323] ? mutex_lock+0xb2/0x1e0 [ 346.827127][ T3323] ? mutex_trylock+0x180/0x180 [ 346.832146][ T3323] ? __fdget_pos+0x26d/0x310 [ 346.836748][ T3323] ? ksys_write+0x77/0x2c0 [ 346.841694][ T3323] ksys_write+0x198/0x2c0 [ 346.846340][ T3323] ? __kasan_check_write+0x14/0x20 [ 346.852357][ T3323] ? __ia32_sys_read+0x90/0x90 [ 346.857108][ T3323] ? debug_smp_processor_id+0x17/0x20 [ 346.862728][ T3323] __x64_sys_write+0x7b/0x90 [ 346.867396][ T3323] do_syscall_64+0x34/0x70 [ 346.871861][ T3323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 346.877949][ T3323] RIP: 0033:0x7f7d1c31ab5f [ 346.882978][ T3323] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 346.903261][ T3323] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 346.912629][ T3323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 346.922592][ T3323] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 346.930996][ T3323] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 346.939219][ T3323] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 346.947260][ T3323] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 346.955344][ T3325] CPU: 0 PID: 3325 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 346.966108][ T3325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 346.976600][ T3325] Call Trace: [ 346.980111][ T3325] dump_stack_lvl+0x1e2/0x24b [ 346.984864][ T3325] ? bfq_pos_tree_add_move+0x43e/0x43e [ 346.990345][ T3325] ? vsnprintf+0x1fa/0x1cd0 [ 346.994920][ T3325] dump_stack+0x15/0x17 [ 346.999063][ T3325] should_fail+0x3c0/0x510 [ 347.003470][ T3325] should_fail_usercopy+0x1a/0x20 [ 347.008746][ T3325] _copy_from_user+0x20/0xd0 [ 347.013325][ T3325] kstrtouint_from_user+0xd7/0x2b0 [ 347.018530][ T3325] ? kstrtol_from_user+0x310/0x310 [ 347.023712][ T3325] ? snprintf+0xd6/0x120 [ 347.027946][ T3325] ? avc_policy_seqno+0x1b/0x70 [ 347.032809][ T3325] ? selinux_file_permission+0x2a9/0x520 [ 347.038712][ T3325] proc_fail_nth_write+0xa5/0x290 [ 347.043848][ T3325] ? security_file_permission+0x9d/0xc0 [ 347.049812][ T3325] ? proc_fail_nth_read+0x220/0x220 [ 347.054998][ T3325] ? security_file_permission+0xa8/0xc0 [ 347.060547][ T3325] ? rw_verify_area+0x1c2/0x360 [ 347.065791][ T3325] ? proc_fail_nth_read+0x220/0x220 [ 347.071015][ T3325] vfs_write+0x39b/0xf80 [ 347.075336][ T3325] ? kernel_write+0x420/0x420 [ 347.080267][ T3325] ? __kasan_check_write+0x14/0x20 [ 347.085534][ T3325] ? mutex_lock+0xb2/0x1e0 [ 347.089942][ T3325] ? mutex_trylock+0x180/0x180 [ 347.094948][ T3325] ? __fdget_pos+0x26d/0x310 [ 347.100650][ T3325] ? ksys_write+0x77/0x2c0 [ 347.106376][ T3325] ksys_write+0x198/0x2c0 [ 347.110810][ T3325] ? __kasan_check_write+0x14/0x20 [ 347.116000][ T3325] ? __ia32_sys_read+0x90/0x90 [ 347.120844][ T3325] ? debug_smp_processor_id+0x17/0x20 [ 347.126198][ T3325] __x64_sys_write+0x7b/0x90 [ 347.130772][ T3325] do_syscall_64+0x34/0x70 [ 347.135263][ T3325] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 347.141143][ T3325] RIP: 0033:0x7f869ba6eb5f [ 347.145991][ T3325] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 347.166272][ T3325] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 347.174674][ T3325] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 347.182718][ T3325] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 347.191110][ T3325] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 347.199081][ T3325] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 347.207038][ T3325] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 347.215009][ T3321] CPU: 1 PID: 3321 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 347.225492][ T3321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 347.235657][ T3321] Call Trace: [ 347.238932][ T3321] dump_stack_lvl+0x1e2/0x24b [ 347.243752][ T3321] ? bfq_pos_tree_add_move+0x43e/0x43e [ 347.249192][ T3321] ? vsnprintf+0x1fa/0x1cd0 [ 347.253890][ T3321] dump_stack+0x15/0x17 [ 347.258032][ T3321] should_fail+0x3c0/0x510 [ 347.262426][ T3321] should_fail_usercopy+0x1a/0x20 [ 347.267638][ T3321] _copy_from_user+0x20/0xd0 [ 347.272375][ T3321] kstrtouint_from_user+0xd7/0x2b0 [ 347.277470][ T3321] ? kstrtol_from_user+0x310/0x310 [ 347.282569][ T3321] ? snprintf+0xd6/0x120 [ 347.287244][ T3321] ? avc_policy_seqno+0x1b/0x70 [ 347.292068][ T3321] ? selinux_file_permission+0x2a9/0x520 [ 347.298146][ T3321] proc_fail_nth_write+0xa5/0x290 [ 347.303260][ T3321] ? security_file_permission+0x9d/0xc0 [ 347.308795][ T3321] ? proc_fail_nth_read+0x220/0x220 [ 347.314142][ T3321] ? security_file_permission+0xa8/0xc0 [ 347.319809][ T3321] ? rw_verify_area+0x1c2/0x360 [ 347.324641][ T3321] ? proc_fail_nth_read+0x220/0x220 [ 347.329993][ T3321] vfs_write+0x39b/0xf80 [ 347.334304][ T3321] ? kernel_write+0x420/0x420 [ 347.339232][ T3321] ? __kasan_check_write+0x14/0x20 [ 347.344322][ T3321] ? mutex_lock+0xb2/0x1e0 [ 347.348713][ T3321] ? mutex_trylock+0x180/0x180 [ 347.353653][ T3321] ? __fdget_pos+0x26d/0x310 [ 347.358224][ T3321] ? ksys_write+0x77/0x2c0 [ 347.362820][ T3321] ksys_write+0x198/0x2c0 [ 347.367225][ T3321] ? __kasan_check_write+0x14/0x20 [ 347.372529][ T3321] ? __ia32_sys_read+0x90/0x90 [ 347.377497][ T3321] ? debug_smp_processor_id+0x17/0x20 [ 347.383213][ T3321] __x64_sys_write+0x7b/0x90 [ 347.387978][ T3321] do_syscall_64+0x34/0x70 [ 347.392372][ T3321] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 347.398240][ T3321] RIP: 0033:0x7f6ebe0d0b5f [ 347.403342][ T3321] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 347.423182][ T3321] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 347.431675][ T3321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 347.440056][ T3321] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 347.448186][ T3321] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 347.456310][ T3321] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 347.464430][ T3321] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 347.478281][ T3326] CPU: 0 PID: 3326 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 347.488795][ T3326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 347.498926][ T3326] Call Trace: [ 347.502237][ T3326] dump_stack_lvl+0x1e2/0x24b [ 347.506915][ T3326] ? bfq_pos_tree_add_move+0x43e/0x43e [ 347.513402][ T3326] ? vsnprintf+0x1fa/0x1cd0 [ 347.517977][ T3326] dump_stack+0x15/0x17 [ 347.522112][ T3326] should_fail+0x3c0/0x510 [ 347.526508][ T3326] should_fail_usercopy+0x1a/0x20 [ 347.531623][ T3326] _copy_from_user+0x20/0xd0 [ 347.536192][ T3326] kstrtouint_from_user+0xd7/0x2b0 [ 347.541296][ T3326] ? kstrtol_from_user+0x310/0x310 [ 347.546406][ T3326] ? snprintf+0xd6/0x120 [ 347.550665][ T3326] ? avc_policy_seqno+0x1b/0x70 [ 347.555500][ T3326] ? selinux_file_permission+0x2a9/0x520 [ 347.561152][ T3326] proc_fail_nth_write+0xa5/0x290 [ 347.566433][ T3326] ? security_file_permission+0x9d/0xc0 [ 347.571959][ T3326] ? proc_fail_nth_read+0x220/0x220 [ 347.577257][ T3326] ? security_file_permission+0xa8/0xc0 [ 347.582786][ T3326] ? rw_verify_area+0x1c2/0x360 [ 347.587625][ T3326] ? proc_fail_nth_read+0x220/0x220 [ 347.593073][ T3326] vfs_write+0x39b/0xf80 [ 347.597596][ T3326] ? kernel_write+0x420/0x420 [ 347.602287][ T3326] ? __kasan_check_write+0x14/0x20 [ 347.607554][ T3326] ? mutex_lock+0xb2/0x1e0 [ 347.611949][ T3326] ? mutex_trylock+0x180/0x180 [ 347.616716][ T3326] ? __fdget_pos+0x26d/0x310 [ 347.621463][ T3326] ? ksys_write+0x77/0x2c0 [ 347.626046][ T3326] ksys_write+0x198/0x2c0 [ 347.631156][ T3326] ? __kasan_check_write+0x14/0x20 [ 347.636446][ T3326] ? __ia32_sys_read+0x90/0x90 [ 347.641287][ T3326] ? debug_smp_processor_id+0x17/0x20 [ 347.646964][ T3326] __x64_sys_write+0x7b/0x90 [ 347.651636][ T3326] do_syscall_64+0x34/0x70 [ 347.656459][ T3326] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 347.662524][ T3326] RIP: 0033:0x7f022ab05b5f [ 347.667013][ T3326] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 347.686885][ T3326] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 347.695382][ T3326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 347.703347][ T3326] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 347.711541][ T3326] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 347.719595][ T3326] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 347.727655][ T3326] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 347.735705][ T3329] CPU: 1 PID: 3329 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 347.746199][ T3329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 347.756945][ T3329] Call Trace: [ 347.760666][ T3329] dump_stack_lvl+0x1e2/0x24b [ 347.765438][ T3329] ? panic+0x7d7/0x7d7 [ 347.769576][ T3329] ? bfq_pos_tree_add_move+0x43e/0x43e [ 347.775016][ T3329] ? find_next_bit+0xd6/0x120 [ 347.779671][ T3329] ? cpumask_next+0x11/0x30 [ 347.785733][ T3329] dump_stack+0x15/0x17 [ 347.789964][ T3329] should_fail+0x3c0/0x510 [ 347.794460][ T3329] ? percpu_ref_init+0xd0/0x340 [ 347.799592][ T3329] __should_failslab+0x9f/0xe0 [ 347.804521][ T3329] should_failslab+0x9/0x20 [ 347.809041][ T3329] kmem_cache_alloc_trace+0x3a/0x330 [ 347.814477][ T3329] percpu_ref_init+0xd0/0x340 [ 347.819151][ T3329] ? cgroup_setup_root+0xea0/0xea0 [ 347.825051][ T3329] cgroup_apply_control_enable+0x3a2/0x12f0 [ 347.830946][ T3329] ? cgroup_reconfigure+0xe0/0xe0 [ 347.836051][ T3329] cgroup_apply_control+0x8e/0x7e0 [ 347.841427][ T3329] ? css_next_child+0x160/0x160 [ 347.846272][ T3329] ? io_schedule+0x120/0x120 [ 347.851082][ T3329] ? kernfs_fop_write_iter+0x15e/0x410 [ 347.857135][ T3329] ? __kasan_check_write+0x14/0x20 [ 347.862557][ T3329] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 347.867937][ T3329] cgroup_subtree_control_write+0xd19/0x1310 [ 347.874123][ T3329] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 347.880607][ T3329] ? __kasan_check_write+0x14/0x20 [ 347.885877][ T3329] ? _copy_from_iter+0x3fb/0xd60 [ 347.890970][ T3329] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 347.897519][ T3329] cgroup_file_write+0x28e/0x590 [ 347.902439][ T3329] ? cgroup_seqfile_stop+0xc0/0xc0 [ 347.907628][ T3329] ? mutex_trylock+0x180/0x180 [ 347.912473][ T3329] ? __kasan_check_write+0x14/0x20 [ 347.917570][ T3329] kernfs_fop_write_iter+0x2d0/0x410 [ 347.923005][ T3329] ? cgroup_seqfile_stop+0xc0/0xc0 [ 347.928089][ T3329] vfs_write+0xc4a/0xf80 [ 347.932348][ T3329] ? kernel_write+0x420/0x420 [ 347.937005][ T3329] ? mutex_lock+0xb2/0x1e0 [ 347.941494][ T3329] ? mutex_trylock+0x180/0x180 [ 347.946338][ T3329] ? __fdget_pos+0x26d/0x310 [ 347.950906][ T3329] ? ksys_write+0x77/0x2c0 [ 347.955299][ T3329] ksys_write+0x198/0x2c0 [ 347.959603][ T3329] ? __ia32_sys_read+0x90/0x90 [ 347.964374][ T3329] ? debug_smp_processor_id+0x17/0x20 [ 347.969923][ T3329] __x64_sys_write+0x7b/0x90 [ 347.974608][ T3329] do_syscall_64+0x34/0x70 [ 347.979371][ T3329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 347.985518][ T3329] RIP: 0033:0x7f85191c4049 [ 347.990193][ T3329] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 348.011427][ T3329] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 348.020011][ T3329] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 348.028998][ T3329] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 348.037221][ T3329] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 348.045441][ T3329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 348.053589][ T3329] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 348.062626][ T3332] FAULT_INJECTION: forcing a failure. [ 348.062626][ T3332] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.076748][ T3334] FAULT_INJECTION: forcing a failure. [ 348.076748][ T3334] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.077626][ T3332] CPU: 1 PID: 3332 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 348.090010][ T3336] FAULT_INJECTION: forcing a failure. [ 348.090010][ T3336] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.100437][ T3332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 348.100442][ T3332] Call Trace: [ 348.100464][ T3332] dump_stack_lvl+0x1e2/0x24b [ 348.100475][ T3332] ? bfq_pos_tree_add_move+0x43e/0x43e [ 348.100484][ T3332] ? vsnprintf+0x1fa/0x1cd0 [ 348.100503][ T3332] dump_stack+0x15/0x17 [ 348.114167][ T3340] FAULT_INJECTION: forcing a failure. [ 348.114167][ T3340] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.124913][ T3332] should_fail+0x3c0/0x510 [ 348.124923][ T3332] should_fail_usercopy+0x1a/0x20 [ 348.124932][ T3332] _copy_from_user+0x20/0xd0 [ 348.124949][ T3332] kstrtouint_from_user+0xd7/0x2b0 [ 348.128811][ T3338] FAULT_INJECTION: forcing a failure. [ 348.128811][ T3338] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.134163][ T3332] ? kstrtol_from_user+0x310/0x310 [ 348.205142][ T3332] ? snprintf+0xd6/0x120 [ 348.209431][ T3332] ? avc_policy_seqno+0x1b/0x70 [ 348.214258][ T3332] ? selinux_file_permission+0x2a9/0x520 [ 348.219865][ T3332] proc_fail_nth_write+0xa5/0x290 [ 348.224929][ T3332] ? security_file_permission+0x9d/0xc0 [ 348.230733][ T3332] ? proc_fail_nth_read+0x220/0x220 [ 348.236114][ T3332] ? security_file_permission+0xa8/0xc0 [ 348.242690][ T3332] ? rw_verify_area+0x1c2/0x360 [ 348.247721][ T3332] ? proc_fail_nth_read+0x220/0x220 [ 348.252990][ T3332] vfs_write+0x39b/0xf80 [ 348.257451][ T3332] ? kernel_write+0x420/0x420 [ 348.262452][ T3332] ? __kasan_check_write+0x14/0x20 [ 348.267718][ T3332] ? mutex_lock+0xb2/0x1e0 [ 348.272107][ T3332] ? mutex_trylock+0x180/0x180 [ 348.276844][ T3332] ? __fdget_pos+0x26d/0x310 [ 348.281668][ T3332] ? ksys_write+0x77/0x2c0 [ 348.286057][ T3332] ksys_write+0x198/0x2c0 [ 348.290452][ T3332] ? __kasan_check_write+0x14/0x20 [ 348.295557][ T3332] ? __ia32_sys_read+0x90/0x90 [ 348.300568][ T3332] ? debug_smp_processor_id+0x17/0x20 [ 348.306007][ T3332] __x64_sys_write+0x7b/0x90 [ 348.311002][ T3332] do_syscall_64+0x34/0x70 [ 348.315585][ T3332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 348.321774][ T3332] RIP: 0033:0x7f869ba6eb5f [ 348.328852][ T3332] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 348.355135][ T3332] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 348.364057][ T3332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 348.372632][ T3332] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 2022/08/30 17:01:29 executed programs: 1312 [ 348.381514][ T3332] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 348.389788][ T3332] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 348.398449][ T3332] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 348.407704][ T3336] CPU: 1 PID: 3336 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 348.418885][ T3336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 348.429178][ T3336] Call Trace: [ 348.432459][ T3336] dump_stack_lvl+0x1e2/0x24b [ 348.437129][ T3336] ? bfq_pos_tree_add_move+0x43e/0x43e [ 348.442655][ T3336] ? vsnprintf+0x1fa/0x1cd0 [ 348.447256][ T3336] dump_stack+0x15/0x17 [ 348.451489][ T3336] should_fail+0x3c0/0x510 [ 348.456080][ T3336] should_fail_usercopy+0x1a/0x20 [ 348.461185][ T3336] _copy_from_user+0x20/0xd0 [ 348.465772][ T3336] kstrtouint_from_user+0xd7/0x2b0 [ 348.470871][ T3336] ? kstrtol_from_user+0x310/0x310 [ 348.476701][ T3336] ? snprintf+0xd6/0x120 [ 348.481116][ T3336] ? avc_policy_seqno+0x1b/0x70 [ 348.485947][ T3336] ? selinux_file_permission+0x2a9/0x520 [ 348.491648][ T3336] proc_fail_nth_write+0xa5/0x290 [ 348.496656][ T3336] ? security_file_permission+0x9d/0xc0 [ 348.502302][ T3336] ? proc_fail_nth_read+0x220/0x220 [ 348.507583][ T3336] ? security_file_permission+0xa8/0xc0 [ 348.513262][ T3336] ? rw_verify_area+0x1c2/0x360 [ 348.518118][ T3336] ? proc_fail_nth_read+0x220/0x220 [ 348.523311][ T3336] vfs_write+0x39b/0xf80 [ 348.527539][ T3336] ? kernel_write+0x420/0x420 [ 348.532217][ T3336] ? __kasan_check_write+0x14/0x20 [ 348.537308][ T3336] ? mutex_lock+0xb2/0x1e0 [ 348.541838][ T3336] ? mutex_trylock+0x180/0x180 [ 348.547016][ T3336] ? __fdget_pos+0x26d/0x310 [ 348.551966][ T3336] ? ksys_write+0x77/0x2c0 [ 348.556430][ T3336] ksys_write+0x198/0x2c0 [ 348.560761][ T3336] ? __kasan_check_write+0x14/0x20 [ 348.565850][ T3336] ? __ia32_sys_read+0x90/0x90 [ 348.570685][ T3336] ? debug_smp_processor_id+0x17/0x20 [ 348.576044][ T3336] __x64_sys_write+0x7b/0x90 [ 348.580961][ T3336] do_syscall_64+0x34/0x70 [ 348.585533][ T3336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 348.591593][ T3336] RIP: 0033:0x7f7d1c31ab5f [ 348.596075][ T3336] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 348.616105][ T3336] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 348.625646][ T3336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 348.633692][ T3336] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 348.641651][ T3336] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 348.650041][ T3336] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 348.658168][ T3336] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 348.666308][ T3334] CPU: 0 PID: 3334 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 348.676851][ T3334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 348.686896][ T3334] Call Trace: [ 348.690201][ T3334] dump_stack_lvl+0x1e2/0x24b [ 348.695041][ T3334] ? bfq_pos_tree_add_move+0x43e/0x43e [ 348.700599][ T3334] ? vsnprintf+0x1fa/0x1cd0 [ 348.705192][ T3334] dump_stack+0x15/0x17 [ 348.709348][ T3334] should_fail+0x3c0/0x510 [ 348.713763][ T3334] should_fail_usercopy+0x1a/0x20 [ 348.718796][ T3334] _copy_from_user+0x20/0xd0 [ 348.723751][ T3334] kstrtouint_from_user+0xd7/0x2b0 [ 348.728963][ T3334] ? kstrtol_from_user+0x310/0x310 [ 348.734061][ T3334] ? snprintf+0xd6/0x120 [ 348.737673][ T3343] FAULT_INJECTION: forcing a failure. [ 348.737673][ T3343] name failslab, interval 1, probability 0, space 0, times 0 [ 348.738313][ T3334] ? avc_policy_seqno+0x1b/0x70 [ 348.755860][ T3334] ? selinux_file_permission+0x2a9/0x520 [ 348.761645][ T3334] proc_fail_nth_write+0xa5/0x290 [ 348.766652][ T3334] ? security_file_permission+0x9d/0xc0 [ 348.772176][ T3334] ? proc_fail_nth_read+0x220/0x220 [ 348.777542][ T3334] ? security_file_permission+0xa8/0xc0 [ 348.783083][ T3334] ? rw_verify_area+0x1c2/0x360 [ 348.787941][ T3334] ? proc_fail_nth_read+0x220/0x220 [ 348.793210][ T3334] vfs_write+0x39b/0xf80 [ 348.797442][ T3334] ? kernel_write+0x420/0x420 [ 348.802103][ T3334] ? __kasan_check_write+0x14/0x20 [ 348.807278][ T3334] ? mutex_lock+0xb2/0x1e0 [ 348.811677][ T3334] ? mutex_trylock+0x180/0x180 [ 348.816941][ T3334] ? __fdget_pos+0x26d/0x310 [ 348.821523][ T3334] ? ksys_write+0x77/0x2c0 [ 348.826187][ T3334] ksys_write+0x198/0x2c0 [ 348.830583][ T3334] ? __kasan_check_write+0x14/0x20 [ 348.835800][ T3334] ? __ia32_sys_read+0x90/0x90 [ 348.840568][ T3334] ? debug_smp_processor_id+0x17/0x20 [ 348.846024][ T3334] __x64_sys_write+0x7b/0x90 [ 348.850628][ T3334] do_syscall_64+0x34/0x70 [ 348.855219][ T3334] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 348.861278][ T3334] RIP: 0033:0x7faa22393b5f [ 348.865764][ T3334] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 348.885610][ T3334] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 348.894104][ T3334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 348.902759][ T3334] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 348.911075][ T3334] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 348.919203][ T3334] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 348.927165][ T3334] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 348.935221][ T3343] CPU: 1 PID: 3343 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 348.945710][ T3343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 348.955894][ T3343] Call Trace: [ 348.959189][ T3343] dump_stack_lvl+0x1e2/0x24b [ 348.963995][ T3343] ? panic+0x7d7/0x7d7 [ 348.968251][ T3343] ? bfq_pos_tree_add_move+0x43e/0x43e [ 348.973776][ T3343] ? find_next_bit+0xd6/0x120 [ 348.978453][ T3343] ? cpumask_next+0x11/0x30 [ 348.982934][ T3343] dump_stack+0x15/0x17 [ 348.987597][ T3343] should_fail+0x3c0/0x510 [ 348.992361][ T3343] ? percpu_ref_init+0xd0/0x340 [ 348.997380][ T3343] __should_failslab+0x9f/0xe0 [ 349.002293][ T3343] should_failslab+0x9/0x20 [ 349.006858][ T3343] kmem_cache_alloc_trace+0x3a/0x330 [ 349.012137][ T3343] percpu_ref_init+0xd0/0x340 [ 349.016963][ T3343] ? cgroup_setup_root+0xea0/0xea0 [ 349.022048][ T3343] cgroup_apply_control_enable+0x3a2/0x12f0 [ 349.027959][ T3343] ? cgroup_reconfigure+0xe0/0xe0 [ 349.032977][ T3343] cgroup_apply_control+0x8e/0x7e0 [ 349.038385][ T3343] ? css_next_child+0x160/0x160 [ 349.043303][ T3343] ? io_schedule+0x120/0x120 [ 349.048231][ T3343] ? kernfs_fop_write_iter+0x15e/0x410 [ 349.053939][ T3343] ? __kasan_check_write+0x14/0x20 [ 349.059234][ T3343] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 349.064827][ T3343] cgroup_subtree_control_write+0xd19/0x1310 [ 349.070945][ T3343] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 349.077077][ T3343] ? __kasan_check_write+0x14/0x20 [ 349.082365][ T3343] ? _copy_from_iter+0x3fb/0xd60 [ 349.087564][ T3343] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 349.093571][ T3343] cgroup_file_write+0x28e/0x590 [ 349.098761][ T3343] ? cgroup_seqfile_stop+0xc0/0xc0 [ 349.103953][ T3343] ? mutex_trylock+0x180/0x180 [ 349.108698][ T3343] ? __kasan_check_write+0x14/0x20 [ 349.113786][ T3343] kernfs_fop_write_iter+0x2d0/0x410 [ 349.119047][ T3343] ? cgroup_seqfile_stop+0xc0/0xc0 [ 349.124221][ T3343] vfs_write+0xc4a/0xf80 [ 349.128457][ T3343] ? kernel_write+0x420/0x420 [ 349.133194][ T3343] ? mutex_lock+0xb2/0x1e0 [ 349.137762][ T3343] ? mutex_trylock+0x180/0x180 [ 349.142774][ T3343] ? __fdget_pos+0x26d/0x310 [ 349.147426][ T3343] ? ksys_write+0x77/0x2c0 [ 349.152073][ T3343] ksys_write+0x198/0x2c0 [ 349.156491][ T3343] ? __ia32_sys_read+0x90/0x90 [ 349.161346][ T3343] ? debug_smp_processor_id+0x17/0x20 [ 349.166693][ T3343] __x64_sys_write+0x7b/0x90 [ 349.171262][ T3343] do_syscall_64+0x34/0x70 [ 349.175670][ T3343] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 349.182184][ T3343] RIP: 0033:0x7f85191c4049 [ 349.186757][ T3343] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 349.207337][ T3343] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 349.216522][ T3343] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 349.225253][ T3343] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 349.233817][ T3343] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 349.241767][ T3343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 349.249724][ T3343] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 349.260298][ T3338] CPU: 1 PID: 3338 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 349.271811][ T3338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 349.281972][ T3338] Call Trace: [ 349.285255][ T3338] dump_stack_lvl+0x1e2/0x24b [ 349.290122][ T3338] ? bfq_pos_tree_add_move+0x43e/0x43e [ 349.295582][ T3338] ? vsnprintf+0x1fa/0x1cd0 [ 349.300153][ T3338] dump_stack+0x15/0x17 [ 349.304291][ T3338] should_fail+0x3c0/0x510 [ 349.308986][ T3338] should_fail_usercopy+0x1a/0x20 [ 349.314000][ T3338] _copy_from_user+0x20/0xd0 [ 349.318770][ T3338] kstrtouint_from_user+0xd7/0x2b0 [ 349.323968][ T3338] ? kstrtol_from_user+0x310/0x310 [ 349.329175][ T3338] ? snprintf+0xd6/0x120 [ 349.333398][ T3338] ? avc_policy_seqno+0x1b/0x70 [ 349.338234][ T3338] ? selinux_file_permission+0x2a9/0x520 [ 349.344479][ T3338] proc_fail_nth_write+0xa5/0x290 [ 349.349838][ T3338] ? security_file_permission+0x9d/0xc0 [ 349.355536][ T3338] ? proc_fail_nth_read+0x220/0x220 [ 349.360754][ T3338] ? security_file_permission+0xa8/0xc0 [ 349.366679][ T3338] ? rw_verify_area+0x1c2/0x360 [ 349.371685][ T3338] ? proc_fail_nth_read+0x220/0x220 [ 349.376887][ T3338] vfs_write+0x39b/0xf80 [ 349.381453][ T3338] ? kernel_write+0x420/0x420 [ 349.386127][ T3338] ? __kasan_check_write+0x14/0x20 [ 349.391300][ T3338] ? mutex_lock+0xb2/0x1e0 [ 349.395782][ T3338] ? mutex_trylock+0x180/0x180 [ 349.400757][ T3338] ? __fdget_pos+0x26d/0x310 [ 349.405411][ T3338] ? ksys_write+0x77/0x2c0 [ 349.409816][ T3338] ksys_write+0x198/0x2c0 [ 349.414403][ T3338] ? __kasan_check_write+0x14/0x20 [ 349.419789][ T3338] ? __ia32_sys_read+0x90/0x90 [ 349.424974][ T3338] ? debug_smp_processor_id+0x17/0x20 [ 349.430491][ T3338] __x64_sys_write+0x7b/0x90 [ 349.435065][ T3338] do_syscall_64+0x34/0x70 [ 349.439566][ T3338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 349.445523][ T3338] RIP: 0033:0x7f6ebe0d0b5f [ 349.450002][ T3338] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 349.469949][ T3338] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 349.478544][ T3338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 349.487397][ T3338] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 349.495604][ T3338] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 349.503550][ T3338] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 349.511844][ T3338] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 349.520293][ T3340] CPU: 1 PID: 3340 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 349.530759][ T3345] FAULT_INJECTION: forcing a failure. [ 349.530759][ T3345] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 349.530789][ T3340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 349.554179][ T3340] Call Trace: [ 349.554719][ T3347] FAULT_INJECTION: forcing a failure. [ 349.554719][ T3347] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 349.557550][ T3340] dump_stack_lvl+0x1e2/0x24b [ 349.557562][ T3340] ? bfq_pos_tree_add_move+0x43e/0x43e [ 349.557579][ T3340] ? vsnprintf+0x1fa/0x1cd0 [ 349.572892][ T3349] FAULT_INJECTION: forcing a failure. [ 349.572892][ T3349] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 349.575420][ T3340] dump_stack+0x15/0x17 [ 349.575431][ T3340] should_fail+0x3c0/0x510 [ 349.575447][ T3340] should_fail_usercopy+0x1a/0x20 [ 349.613974][ T3340] _copy_from_user+0x20/0xd0 [ 349.618554][ T3340] kstrtouint_from_user+0xd7/0x2b0 [ 349.623769][ T3340] ? kstrtol_from_user+0x310/0x310 [ 349.629043][ T3340] ? snprintf+0xd6/0x120 [ 349.633268][ T3340] ? avc_policy_seqno+0x1b/0x70 [ 349.638273][ T3340] ? selinux_file_permission+0x2a9/0x520 [ 349.644146][ T3340] proc_fail_nth_write+0xa5/0x290 [ 349.649417][ T3340] ? security_file_permission+0x9d/0xc0 [ 349.655029][ T3340] ? proc_fail_nth_read+0x220/0x220 [ 349.660403][ T3340] ? security_file_permission+0xa8/0xc0 [ 349.666197][ T3340] ? rw_verify_area+0x1c2/0x360 [ 349.671026][ T3340] ? proc_fail_nth_read+0x220/0x220 [ 349.676226][ T3340] vfs_write+0x39b/0xf80 [ 349.680539][ T3340] ? kernel_write+0x420/0x420 [ 349.685203][ T3340] ? __kasan_check_write+0x14/0x20 [ 349.690291][ T3340] ? mutex_lock+0xb2/0x1e0 [ 349.694688][ T3340] ? mutex_trylock+0x180/0x180 [ 349.699568][ T3340] ? __fdget_pos+0x26d/0x310 [ 349.704473][ T3340] ? ksys_write+0x77/0x2c0 [ 349.708962][ T3340] ksys_write+0x198/0x2c0 [ 349.713290][ T3340] ? __kasan_check_write+0x14/0x20 [ 349.718403][ T3340] ? __ia32_sys_read+0x90/0x90 [ 349.723182][ T3340] ? debug_smp_processor_id+0x17/0x20 [ 349.729083][ T3340] __x64_sys_write+0x7b/0x90 [ 349.733660][ T3340] do_syscall_64+0x34/0x70 [ 349.738232][ T3340] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 349.744208][ T3340] RIP: 0033:0x7f022ab05b5f [ 349.748625][ T3340] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 349.768870][ T3340] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 349.777370][ T3340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 349.785860][ T3340] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 349.794023][ T3340] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 349.801986][ T3340] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 349.810008][ T3340] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 349.818085][ T3349] CPU: 0 PID: 3349 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 349.829766][ T3349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 349.839894][ T3349] Call Trace: [ 349.843175][ T3349] dump_stack_lvl+0x1e2/0x24b [ 349.847936][ T3349] ? bfq_pos_tree_add_move+0x43e/0x43e [ 349.853652][ T3349] ? vsnprintf+0x1fa/0x1cd0 [ 349.858148][ T3349] dump_stack+0x15/0x17 [ 349.862316][ T3349] should_fail+0x3c0/0x510 [ 349.866987][ T3349] should_fail_usercopy+0x1a/0x20 [ 349.872009][ T3349] _copy_from_user+0x20/0xd0 [ 349.876769][ T3349] kstrtouint_from_user+0xd7/0x2b0 [ 349.882122][ T3349] ? kstrtol_from_user+0x310/0x310 [ 349.887218][ T3349] ? snprintf+0xd6/0x120 [ 349.891500][ T3349] ? avc_policy_seqno+0x1b/0x70 [ 349.896344][ T3349] ? selinux_file_permission+0x2a9/0x520 [ 349.902170][ T3349] proc_fail_nth_write+0xa5/0x290 [ 349.907205][ T3349] ? security_file_permission+0x9d/0xc0 [ 349.912858][ T3349] ? proc_fail_nth_read+0x220/0x220 [ 349.918052][ T3349] ? security_file_permission+0xa8/0xc0 [ 349.923933][ T3349] ? rw_verify_area+0x1c2/0x360 [ 349.929112][ T3349] ? proc_fail_nth_read+0x220/0x220 [ 349.934395][ T3349] vfs_write+0x39b/0xf80 [ 349.939610][ T3349] ? kernel_write+0x420/0x420 [ 349.944374][ T3349] ? __kasan_check_write+0x14/0x20 [ 349.949751][ T3349] ? mutex_lock+0xb2/0x1e0 [ 349.954434][ T3349] ? mutex_trylock+0x180/0x180 [ 349.959359][ T3349] ? __fdget_pos+0x26d/0x310 [ 349.964018][ T3349] ? ksys_write+0x77/0x2c0 [ 349.968510][ T3349] ksys_write+0x198/0x2c0 [ 349.973107][ T3349] ? __ia32_sys_read+0x90/0x90 [ 349.978139][ T3349] ? debug_smp_processor_id+0x17/0x20 [ 349.984038][ T3349] __x64_sys_write+0x7b/0x90 [ 349.989535][ T3349] do_syscall_64+0x34/0x70 [ 349.994124][ T3349] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 350.000890][ T3349] RIP: 0033:0x7f7d1c31ab5f [ 350.005498][ T3349] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 350.025274][ T3349] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 350.033994][ T3349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 350.042369][ T3349] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 350.050933][ T3349] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 350.058890][ T3349] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 350.067371][ T3349] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 350.084005][ T3351] FAULT_INJECTION: forcing a failure. [ 350.084005][ T3351] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 350.102148][ T3354] FAULT_INJECTION: forcing a failure. [ 350.102148][ T3354] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 350.104205][ T3345] CPU: 0 PID: 3345 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 350.123176][ T3355] FAULT_INJECTION: forcing a failure. [ 350.123176][ T3355] name failslab, interval 1, probability 0, space 0, times 0 [ 350.126755][ T3345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 350.126760][ T3345] Call Trace: [ 350.126777][ T3345] dump_stack_lvl+0x1e2/0x24b [ 350.126787][ T3345] ? bfq_pos_tree_add_move+0x43e/0x43e [ 350.126796][ T3345] ? vsnprintf+0x1fa/0x1cd0 [ 350.126813][ T3345] dump_stack+0x15/0x17 [ 350.175776][ T3345] should_fail+0x3c0/0x510 [ 350.180180][ T3345] should_fail_usercopy+0x1a/0x20 [ 350.185447][ T3345] _copy_from_user+0x20/0xd0 [ 350.190196][ T3345] kstrtouint_from_user+0xd7/0x2b0 [ 350.195650][ T3345] ? kstrtol_from_user+0x310/0x310 [ 350.200827][ T3345] ? snprintf+0xd6/0x120 [ 350.205053][ T3345] ? avc_policy_seqno+0x1b/0x70 [ 350.209886][ T3345] ? selinux_file_permission+0x2a9/0x520 [ 350.215510][ T3345] proc_fail_nth_write+0xa5/0x290 [ 350.220511][ T3345] ? security_file_permission+0x9d/0xc0 [ 350.226051][ T3345] ? proc_fail_nth_read+0x220/0x220 [ 350.231322][ T3345] ? security_file_permission+0xa8/0xc0 [ 350.237128][ T3345] ? rw_verify_area+0x1c2/0x360 [ 350.241972][ T3345] ? proc_fail_nth_read+0x220/0x220 [ 350.247247][ T3345] vfs_write+0x39b/0xf80 [ 350.251656][ T3345] ? kernel_write+0x420/0x420 [ 350.256332][ T3345] ? __kasan_check_write+0x14/0x20 [ 350.261518][ T3345] ? mutex_lock+0xb2/0x1e0 [ 350.265925][ T3345] ? mutex_trylock+0x180/0x180 [ 350.271139][ T3345] ? __fdget_pos+0x26d/0x310 [ 350.275729][ T3345] ? ksys_write+0x77/0x2c0 [ 350.280258][ T3345] ksys_write+0x198/0x2c0 [ 350.284589][ T3345] ? __kasan_check_write+0x14/0x20 [ 350.289684][ T3345] ? __ia32_sys_read+0x90/0x90 [ 350.294432][ T3345] ? debug_smp_processor_id+0x17/0x20 [ 350.299793][ T3345] __x64_sys_write+0x7b/0x90 [ 350.304389][ T3345] do_syscall_64+0x34/0x70 [ 350.308962][ T3345] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 350.314850][ T3345] RIP: 0033:0x7f869ba6eb5f [ 350.319248][ T3345] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 350.339205][ T3345] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 350.347956][ T3345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 350.356173][ T3345] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 350.364166][ T3345] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 350.372234][ T3345] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 350.380809][ T3345] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 350.388869][ T3355] CPU: 1 PID: 3355 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 350.399663][ T3355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 350.409802][ T3355] Call Trace: [ 350.413294][ T3355] dump_stack_lvl+0x1e2/0x24b [ 350.418152][ T3355] ? panic+0x7d7/0x7d7 [ 350.422216][ T3355] ? bfq_pos_tree_add_move+0x43e/0x43e [ 350.427876][ T3355] ? find_next_bit+0xd6/0x120 [ 350.432661][ T3355] ? cpumask_next+0x11/0x30 [ 350.437163][ T3355] dump_stack+0x15/0x17 [ 350.441514][ T3355] should_fail+0x3c0/0x510 [ 350.446248][ T3355] ? percpu_ref_init+0xd0/0x340 [ 350.451276][ T3355] __should_failslab+0x9f/0xe0 [ 350.456123][ T3355] should_failslab+0x9/0x20 [ 350.461405][ T3355] kmem_cache_alloc_trace+0x3a/0x330 [ 350.466767][ T3355] percpu_ref_init+0xd0/0x340 [ 350.472131][ T3355] ? cgroup_setup_root+0xea0/0xea0 [ 350.477840][ T3355] cgroup_apply_control_enable+0x3a2/0x12f0 [ 350.483745][ T3355] ? cgroup_reconfigure+0xe0/0xe0 [ 350.488850][ T3355] cgroup_apply_control+0x8e/0x7e0 [ 350.494125][ T3355] ? css_next_child+0x160/0x160 [ 350.499054][ T3355] ? io_schedule+0x120/0x120 [ 350.503624][ T3355] ? kernfs_fop_write_iter+0x15e/0x410 [ 350.509151][ T3355] ? __kasan_check_write+0x14/0x20 [ 350.514327][ T3355] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 350.519768][ T3355] cgroup_subtree_control_write+0xd19/0x1310 [ 350.526260][ T3355] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 350.532482][ T3355] ? __kasan_check_write+0x14/0x20 [ 350.537574][ T3355] ? _copy_from_iter+0x3fb/0xd60 [ 350.542598][ T3355] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 350.548580][ T3355] cgroup_file_write+0x28e/0x590 [ 350.553685][ T3355] ? cgroup_seqfile_stop+0xc0/0xc0 [ 350.558805][ T3355] ? mutex_trylock+0x180/0x180 [ 350.563647][ T3355] ? __kasan_check_write+0x14/0x20 [ 350.568760][ T3355] kernfs_fop_write_iter+0x2d0/0x410 [ 350.574025][ T3355] ? cgroup_seqfile_stop+0xc0/0xc0 [ 350.579115][ T3355] vfs_write+0xc4a/0xf80 [ 350.583340][ T3355] ? kernel_write+0x420/0x420 [ 350.587995][ T3355] ? mutex_lock+0xb2/0x1e0 [ 350.592454][ T3355] ? mutex_trylock+0x180/0x180 [ 350.597569][ T3355] ? __fdget_pos+0x26d/0x310 [ 350.602226][ T3355] ? ksys_write+0x77/0x2c0 [ 350.606921][ T3355] ksys_write+0x198/0x2c0 [ 350.611495][ T3355] ? __ia32_sys_read+0x90/0x90 [ 350.616451][ T3355] ? debug_smp_processor_id+0x17/0x20 [ 350.621836][ T3355] __x64_sys_write+0x7b/0x90 [ 350.626414][ T3355] do_syscall_64+0x34/0x70 [ 350.631008][ T3355] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 350.637093][ T3355] RIP: 0033:0x7f85191c4049 [ 350.641497][ T3355] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 350.661483][ T3355] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 350.670072][ T3355] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 350.678503][ T3355] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 350.687136][ T3355] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 350.695544][ T3355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 350.703679][ T3355] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 350.711766][ T3354] CPU: 0 PID: 3354 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 350.722945][ T3354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 350.734561][ T3354] Call Trace: [ 350.737835][ T3354] dump_stack_lvl+0x1e2/0x24b [ 350.742727][ T3354] ? bfq_pos_tree_add_move+0x43e/0x43e [ 350.748269][ T3354] ? vsnprintf+0x1fa/0x1cd0 [ 350.753270][ T3354] dump_stack+0x15/0x17 [ 350.757624][ T3354] should_fail+0x3c0/0x510 [ 350.762927][ T3354] should_fail_usercopy+0x1a/0x20 [ 350.768224][ T3354] _copy_from_user+0x20/0xd0 [ 350.772894][ T3354] kstrtouint_from_user+0xd7/0x2b0 [ 350.778090][ T3354] ? kstrtol_from_user+0x310/0x310 [ 350.783211][ T3354] ? snprintf+0xd6/0x120 [ 350.787719][ T3354] ? avc_policy_seqno+0x1b/0x70 [ 350.793180][ T3354] ? selinux_file_permission+0x2a9/0x520 [ 350.799454][ T3354] proc_fail_nth_write+0xa5/0x290 [ 350.805517][ T3354] ? security_file_permission+0x9d/0xc0 [ 350.811352][ T3354] ? proc_fail_nth_read+0x220/0x220 [ 350.817796][ T3354] ? security_file_permission+0xa8/0xc0 [ 350.823372][ T3354] ? rw_verify_area+0x1c2/0x360 [ 350.828466][ T3354] ? proc_fail_nth_read+0x220/0x220 [ 350.834122][ T3354] vfs_write+0x39b/0xf80 [ 350.838546][ T3354] ? kernel_write+0x420/0x420 [ 350.843552][ T3354] ? __kasan_check_write+0x14/0x20 [ 350.848736][ T3354] ? mutex_lock+0xb2/0x1e0 [ 350.853348][ T3354] ? mutex_trylock+0x180/0x180 [ 350.858254][ T3354] ? __fdget_pos+0x26d/0x310 [ 350.862944][ T3354] ? ksys_write+0x77/0x2c0 [ 350.867520][ T3354] ksys_write+0x198/0x2c0 [ 350.871947][ T3354] ? __ia32_sys_read+0x90/0x90 [ 350.876774][ T3354] ? debug_smp_processor_id+0x17/0x20 [ 350.882570][ T3354] __x64_sys_write+0x7b/0x90 [ 350.887420][ T3354] do_syscall_64+0x34/0x70 [ 350.891814][ T3354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 350.897980][ T3354] RIP: 0033:0x7f022ab05b5f [ 350.902446][ T3354] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 350.922243][ T3354] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 350.930640][ T3354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 350.938597][ T3354] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 350.946648][ T3354] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 350.954864][ T3354] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 350.963163][ T3354] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 350.978474][ T3347] CPU: 0 PID: 3347 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 350.988899][ T3347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 350.999390][ T3347] Call Trace: [ 351.002941][ T3347] dump_stack_lvl+0x1e2/0x24b [ 351.007391][ T3357] FAULT_INJECTION: forcing a failure. [ 351.007391][ T3357] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.007707][ T3347] ? bfq_pos_tree_add_move+0x43e/0x43e [ 351.007717][ T3347] ? vsnprintf+0x1fa/0x1cd0 [ 351.007735][ T3347] dump_stack+0x15/0x17 [ 351.035179][ T3347] should_fail+0x3c0/0x510 [ 351.037473][ T3359] FAULT_INJECTION: forcing a failure. [ 351.037473][ T3359] name failslab, interval 1, probability 0, space 0, times 0 [ 351.039611][ T3347] should_fail_usercopy+0x1a/0x20 [ 351.039630][ T3347] _copy_from_user+0x20/0xd0 [ 351.062052][ T3347] kstrtouint_from_user+0xd7/0x2b0 [ 351.067157][ T3347] ? kstrtol_from_user+0x310/0x310 [ 351.072429][ T3347] ? snprintf+0xd6/0x120 [ 351.076667][ T3347] ? avc_policy_seqno+0x1b/0x70 [ 351.081593][ T3347] ? selinux_file_permission+0x2a9/0x520 [ 351.087391][ T3347] proc_fail_nth_write+0xa5/0x290 [ 351.092496][ T3347] ? security_file_permission+0x9d/0xc0 [ 351.098225][ T3347] ? proc_fail_nth_read+0x220/0x220 [ 351.103608][ T3347] ? security_file_permission+0xa8/0xc0 [ 351.109378][ T3347] ? rw_verify_area+0x1c2/0x360 [ 351.114900][ T3347] ? proc_fail_nth_read+0x220/0x220 [ 351.120459][ T3347] vfs_write+0x39b/0xf80 [ 351.124785][ T3347] ? kernel_write+0x420/0x420 [ 351.130322][ T3347] ? __kasan_check_write+0x14/0x20 [ 351.135440][ T3347] ? mutex_lock+0xb2/0x1e0 [ 351.139843][ T3347] ? mutex_trylock+0x180/0x180 [ 351.144826][ T3347] ? __fdget_pos+0x26d/0x310 [ 351.149510][ T3347] ? ksys_write+0x77/0x2c0 [ 351.154364][ T3347] ksys_write+0x198/0x2c0 [ 351.158700][ T3347] ? __ia32_sys_read+0x90/0x90 [ 351.163464][ T3347] ? debug_smp_processor_id+0x17/0x20 [ 351.168823][ T3347] __x64_sys_write+0x7b/0x90 [ 351.173408][ T3347] do_syscall_64+0x34/0x70 [ 351.178259][ T3347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 351.184436][ T3347] RIP: 0033:0x7faa22393b5f [ 351.188876][ T3347] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 351.208866][ T3347] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 351.217613][ T3347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 351.225583][ T3347] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 351.233552][ T3347] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 351.241799][ T3347] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 351.250121][ T3347] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 351.258291][ T3359] CPU: 1 PID: 3359 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 351.270710][ T3359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 351.281620][ T3359] Call Trace: [ 351.284910][ T3359] dump_stack_lvl+0x1e2/0x24b [ 351.289668][ T3359] ? panic+0x7d7/0x7d7 [ 351.293717][ T3359] ? bfq_pos_tree_add_move+0x43e/0x43e [ 351.299166][ T3359] ? find_next_bit+0xd6/0x120 [ 351.304112][ T3359] ? cpumask_next+0x11/0x30 [ 351.308698][ T3359] dump_stack+0x15/0x17 [ 351.312963][ T3359] should_fail+0x3c0/0x510 [ 351.317371][ T3359] ? percpu_ref_init+0xd0/0x340 [ 351.322294][ T3359] __should_failslab+0x9f/0xe0 [ 351.327045][ T3359] should_failslab+0x9/0x20 [ 351.331738][ T3359] kmem_cache_alloc_trace+0x3a/0x330 [ 351.337177][ T3359] percpu_ref_init+0xd0/0x340 [ 351.341921][ T3359] ? cgroup_setup_root+0xea0/0xea0 [ 351.347489][ T3359] cgroup_apply_control_enable+0x3a2/0x12f0 [ 351.353967][ T3359] ? cgroup_reconfigure+0xe0/0xe0 [ 351.359057][ T3359] cgroup_apply_control+0x8e/0x7e0 [ 351.364619][ T3359] ? css_next_child+0x160/0x160 [ 351.369730][ T3359] ? io_schedule+0x120/0x120 [ 351.374551][ T3359] ? kernfs_fop_write_iter+0x15e/0x410 [ 351.382050][ T3359] ? __kasan_check_write+0x14/0x20 [ 351.388055][ T3359] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 351.393712][ T3359] cgroup_subtree_control_write+0xd19/0x1310 [ 351.400198][ T3359] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 351.406363][ T3359] ? __kasan_check_write+0x14/0x20 [ 351.411646][ T3359] ? _copy_from_iter+0x3fb/0xd60 [ 351.416859][ T3359] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 351.422995][ T3359] cgroup_file_write+0x28e/0x590 [ 351.428260][ T3359] ? cgroup_seqfile_stop+0xc0/0xc0 [ 351.434221][ T3359] ? mutex_trylock+0x180/0x180 [ 351.439084][ T3359] ? __kasan_check_write+0x14/0x20 [ 351.444923][ T3359] kernfs_fop_write_iter+0x2d0/0x410 [ 351.450197][ T3359] ? cgroup_seqfile_stop+0xc0/0xc0 [ 351.455380][ T3359] vfs_write+0xc4a/0xf80 [ 351.459803][ T3359] ? kernel_write+0x420/0x420 [ 351.464819][ T3359] ? mutex_lock+0xb2/0x1e0 [ 351.469392][ T3359] ? mutex_trylock+0x180/0x180 [ 351.474240][ T3359] ? __fdget_pos+0x26d/0x310 [ 351.478904][ T3359] ? ksys_write+0x77/0x2c0 [ 351.483315][ T3359] ksys_write+0x198/0x2c0 [ 351.487639][ T3359] ? __ia32_sys_read+0x90/0x90 [ 351.492491][ T3359] ? debug_smp_processor_id+0x17/0x20 [ 351.497953][ T3359] __x64_sys_write+0x7b/0x90 [ 351.502527][ T3359] do_syscall_64+0x34/0x70 [ 351.506926][ T3359] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 351.512988][ T3359] RIP: 0033:0x7f85191c4049 [ 351.517479][ T3359] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 351.537808][ T3359] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 351.546380][ T3359] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 351.554504][ T3359] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 351.562664][ T3359] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 351.570641][ T3359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 351.578598][ T3359] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 351.586665][ T3357] CPU: 0 PID: 3357 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 351.597688][ T3357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 351.607901][ T3357] Call Trace: [ 351.611361][ T3357] dump_stack_lvl+0x1e2/0x24b [ 351.616166][ T3357] ? bfq_pos_tree_add_move+0x43e/0x43e [ 351.621685][ T3357] ? vsnprintf+0x1fa/0x1cd0 [ 351.626175][ T3357] dump_stack+0x15/0x17 [ 351.630567][ T3357] should_fail+0x3c0/0x510 [ 351.635135][ T3357] should_fail_usercopy+0x1a/0x20 [ 351.640145][ T3357] _copy_from_user+0x20/0xd0 [ 351.644808][ T3357] kstrtouint_from_user+0xd7/0x2b0 [ 351.650106][ T3357] ? kstrtol_from_user+0x310/0x310 [ 351.655296][ T3357] ? snprintf+0xd6/0x120 [ 351.659831][ T3357] ? avc_policy_seqno+0x1b/0x70 [ 351.664754][ T3357] ? selinux_file_permission+0x2a9/0x520 [ 351.670370][ T3357] proc_fail_nth_write+0xa5/0x290 [ 351.675528][ T3357] ? security_file_permission+0x9d/0xc0 [ 351.681514][ T3357] ? proc_fail_nth_read+0x220/0x220 [ 351.686802][ T3357] ? security_file_permission+0xa8/0xc0 [ 351.692465][ T3357] ? rw_verify_area+0x1c2/0x360 [ 351.697466][ T3357] ? proc_fail_nth_read+0x220/0x220 [ 351.702762][ T3357] vfs_write+0x39b/0xf80 [ 351.707096][ T3357] ? kernel_write+0x420/0x420 [ 351.711855][ T3357] ? __kasan_check_write+0x14/0x20 [ 351.717420][ T3357] ? mutex_lock+0xb2/0x1e0 [ 351.721962][ T3357] ? mutex_trylock+0x180/0x180 [ 351.726710][ T3357] ? __fdget_pos+0x26d/0x310 [ 351.731403][ T3357] ? ksys_write+0x77/0x2c0 [ 351.735969][ T3357] ksys_write+0x198/0x2c0 [ 351.740301][ T3357] ? __ia32_sys_read+0x90/0x90 [ 351.745044][ T3357] ? debug_smp_processor_id+0x17/0x20 [ 351.750563][ T3357] __x64_sys_write+0x7b/0x90 [ 351.755146][ T3357] do_syscall_64+0x34/0x70 [ 351.759647][ T3357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 351.765616][ T3357] RIP: 0033:0x7f869ba6eb5f [ 351.770029][ T3357] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 351.790652][ T3357] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 351.799136][ T3357] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 351.807091][ T3357] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 351.815131][ T3357] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 351.823310][ T3357] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 351.831679][ T3357] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 351.843057][ T3363] FAULT_INJECTION: forcing a failure. [ 351.843057][ T3363] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.844360][ T3351] CPU: 0 PID: 3351 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 351.858362][ T3361] FAULT_INJECTION: forcing a failure. [ 351.858362][ T3361] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.866712][ T3351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 351.866717][ T3351] Call Trace: [ 351.866737][ T3351] dump_stack_lvl+0x1e2/0x24b [ 351.866748][ T3351] ? bfq_pos_tree_add_move+0x43e/0x43e [ 351.866757][ T3351] ? vsnprintf+0x1fa/0x1cd0 [ 351.866767][ T3351] dump_stack+0x15/0x17 [ 351.866775][ T3351] should_fail+0x3c0/0x510 [ 351.866793][ T3351] should_fail_usercopy+0x1a/0x20 [ 351.923107][ T3351] _copy_from_user+0x20/0xd0 [ 351.927972][ T3351] kstrtouint_from_user+0xd7/0x2b0 [ 351.933270][ T3351] ? kstrtol_from_user+0x310/0x310 [ 351.938371][ T3351] ? snprintf+0xd6/0x120 [ 351.942684][ T3351] ? avc_policy_seqno+0x1b/0x70 [ 351.947299][ T3366] FAULT_INJECTION: forcing a failure. [ 351.947299][ T3366] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.947623][ T3351] ? selinux_file_permission+0x2a9/0x520 [ 351.966713][ T3351] proc_fail_nth_write+0xa5/0x290 [ 351.972042][ T3351] ? security_file_permission+0x9d/0xc0 [ 351.977679][ T3351] ? proc_fail_nth_read+0x220/0x220 [ 351.982886][ T3351] ? security_file_permission+0xa8/0xc0 [ 351.984417][ T3368] FAULT_INJECTION: forcing a failure. [ 351.984417][ T3368] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.988728][ T3351] ? rw_verify_area+0x1c2/0x360 [ 351.988738][ T3351] ? proc_fail_nth_read+0x220/0x220 [ 351.988746][ T3351] vfs_write+0x39b/0xf80 [ 351.988756][ T3351] ? kernel_write+0x420/0x420 [ 351.988775][ T3351] ? __kasan_check_write+0x14/0x20 [ 352.026644][ T3351] ? mutex_lock+0xb2/0x1e0 [ 352.031152][ T3351] ? mutex_trylock+0x180/0x180 [ 352.036102][ T3351] ? __fdget_pos+0x26d/0x310 [ 352.040761][ T3351] ? ksys_write+0x77/0x2c0 [ 352.045480][ T3351] ksys_write+0x198/0x2c0 [ 352.050146][ T3351] ? __ia32_sys_read+0x90/0x90 [ 352.054964][ T3351] ? debug_smp_processor_id+0x17/0x20 [ 352.060839][ T3351] __x64_sys_write+0x7b/0x90 [ 352.065590][ T3351] do_syscall_64+0x34/0x70 [ 352.070076][ T3351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 352.076124][ T3351] RIP: 0033:0x7f6ebe0d0b5f [ 352.080606][ T3351] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 352.100672][ T3351] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 352.109347][ T3351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 352.117407][ T3351] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 352.125458][ T3351] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 352.133414][ T3351] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 352.141373][ T3351] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 352.149610][ T3363] CPU: 1 PID: 3363 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 352.160385][ T3363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 352.170880][ T3363] Call Trace: [ 352.174422][ T3363] dump_stack_lvl+0x1e2/0x24b [ 352.179162][ T3363] ? bfq_pos_tree_add_move+0x43e/0x43e [ 352.184779][ T3363] ? vsnprintf+0x1fa/0x1cd0 [ 352.189556][ T3363] dump_stack+0x15/0x17 [ 352.193923][ T3363] should_fail+0x3c0/0x510 [ 352.198400][ T3363] should_fail_usercopy+0x1a/0x20 [ 352.203406][ T3363] _copy_from_user+0x20/0xd0 [ 352.208083][ T3363] kstrtouint_from_user+0xd7/0x2b0 [ 352.213257][ T3363] ? kstrtol_from_user+0x310/0x310 [ 352.218343][ T3363] ? snprintf+0xd6/0x120 [ 352.222649][ T3363] ? avc_policy_seqno+0x1b/0x70 [ 352.227575][ T3363] ? selinux_file_permission+0x2a9/0x520 [ 352.233328][ T3363] proc_fail_nth_write+0xa5/0x290 [ 352.238420][ T3363] ? security_file_permission+0x9d/0xc0 [ 352.244041][ T3363] ? proc_fail_nth_read+0x220/0x220 [ 352.249212][ T3363] ? security_file_permission+0xa8/0xc0 [ 352.254939][ T3363] ? rw_verify_area+0x1c2/0x360 [ 352.259778][ T3363] ? proc_fail_nth_read+0x220/0x220 [ 352.265292][ T3363] vfs_write+0x39b/0xf80 [ 352.270198][ T3363] ? kernel_write+0x420/0x420 [ 352.274962][ T3363] ? __kasan_check_write+0x14/0x20 [ 352.280141][ T3363] ? mutex_lock+0xb2/0x1e0 [ 352.284535][ T3363] ? mutex_trylock+0x180/0x180 [ 352.289362][ T3363] ? __fdget_pos+0x26d/0x310 [ 352.293950][ T3363] ? ksys_write+0x77/0x2c0 [ 352.298343][ T3363] ksys_write+0x198/0x2c0 [ 352.302656][ T3363] ? __ia32_sys_read+0x90/0x90 [ 352.307482][ T3363] ? debug_smp_processor_id+0x17/0x20 [ 352.312834][ T3363] __x64_sys_write+0x7b/0x90 [ 352.317398][ T3363] do_syscall_64+0x34/0x70 [ 352.321878][ T3363] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 352.327920][ T3363] RIP: 0033:0x7f7d1c31ab5f [ 352.332312][ T3363] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 352.352498][ T3363] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 352.361067][ T3363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 352.369316][ T3363] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 352.379175][ T3363] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 352.387857][ T3363] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 352.396200][ T3363] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 352.405829][ T3361] CPU: 1 PID: 3361 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 352.410858][ T3370] FAULT_INJECTION: forcing a failure. [ 352.410858][ T3370] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 352.416411][ T3361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 352.416416][ T3361] Call Trace: [ 352.416434][ T3361] dump_stack_lvl+0x1e2/0x24b [ 352.416445][ T3361] ? bfq_pos_tree_add_move+0x43e/0x43e [ 352.416455][ T3361] ? vsnprintf+0x1fa/0x1cd0 [ 352.416466][ T3361] dump_stack+0x15/0x17 [ 352.416476][ T3361] should_fail+0x3c0/0x510 [ 352.416485][ T3361] should_fail_usercopy+0x1a/0x20 [ 352.416495][ T3361] _copy_from_user+0x20/0xd0 [ 352.416513][ T3361] kstrtouint_from_user+0xd7/0x2b0 [ 352.437014][ T3372] FAULT_INJECTION: forcing a failure. [ 352.437014][ T3372] name failslab, interval 1, probability 0, space 0, times 0 [ 352.440383][ T3361] ? kstrtol_from_user+0x310/0x310 [ 352.440402][ T3361] ? snprintf+0xd6/0x120 [ 352.504762][ T3361] ? avc_policy_seqno+0x1b/0x70 [ 352.509712][ T3361] ? selinux_file_permission+0x2a9/0x520 [ 352.515424][ T3361] proc_fail_nth_write+0xa5/0x290 [ 352.520529][ T3361] ? security_file_permission+0x9d/0xc0 [ 352.526672][ T3361] ? proc_fail_nth_read+0x220/0x220 [ 352.531958][ T3361] ? security_file_permission+0xa8/0xc0 [ 352.537752][ T3361] ? rw_verify_area+0x1c2/0x360 [ 352.542810][ T3361] ? proc_fail_nth_read+0x220/0x220 [ 352.548625][ T3361] vfs_write+0x39b/0xf80 [ 352.552855][ T3361] ? kernel_write+0x420/0x420 [ 352.557608][ T3361] ? __kasan_check_write+0x14/0x20 [ 352.562704][ T3361] ? mutex_lock+0xb2/0x1e0 [ 352.567345][ T3361] ? mutex_trylock+0x180/0x180 [ 352.572707][ T3361] ? __fdget_pos+0x26d/0x310 [ 352.577943][ T3361] ? ksys_write+0x77/0x2c0 [ 352.582670][ T3361] ksys_write+0x198/0x2c0 [ 352.587169][ T3361] ? __kasan_check_write+0x14/0x20 [ 352.592474][ T3361] ? __ia32_sys_read+0x90/0x90 [ 352.597408][ T3361] ? debug_smp_processor_id+0x17/0x20 [ 352.602944][ T3361] __x64_sys_write+0x7b/0x90 [ 352.607654][ T3361] do_syscall_64+0x34/0x70 [ 352.614517][ T3361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 352.620396][ T3361] RIP: 0033:0x7f022ab05b5f [ 352.624888][ T3361] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 352.644882][ T3361] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 352.653821][ T3361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 352.662185][ T3361] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 352.670146][ T3361] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 352.678298][ T3361] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 352.686700][ T3361] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 352.694986][ T3372] CPU: 0 PID: 3372 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 352.705784][ T3372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 352.717607][ T3372] Call Trace: [ 352.720999][ T3372] dump_stack_lvl+0x1e2/0x24b [ 352.725770][ T3372] ? panic+0x7d7/0x7d7 [ 352.730081][ T3372] ? bfq_pos_tree_add_move+0x43e/0x43e [ 352.735583][ T3372] ? find_next_bit+0xd6/0x120 [ 352.740325][ T3372] ? cpumask_next+0x11/0x30 [ 352.744808][ T3372] dump_stack+0x15/0x17 [ 352.748944][ T3372] should_fail+0x3c0/0x510 [ 352.753341][ T3372] ? percpu_ref_init+0xd0/0x340 [ 352.758192][ T3372] __should_failslab+0x9f/0xe0 [ 352.762949][ T3372] should_failslab+0x9/0x20 [ 352.767436][ T3372] kmem_cache_alloc_trace+0x3a/0x330 [ 352.772787][ T3372] percpu_ref_init+0xd0/0x340 [ 352.777631][ T3372] ? cgroup_setup_root+0xea0/0xea0 [ 352.782809][ T3372] cgroup_apply_control_enable+0x3a2/0x12f0 [ 352.788770][ T3372] ? cgroup_reconfigure+0xe0/0xe0 [ 352.794325][ T3372] cgroup_apply_control+0x8e/0x7e0 [ 352.799515][ T3372] ? css_next_child+0x160/0x160 [ 352.804472][ T3372] ? io_schedule+0x120/0x120 [ 352.809141][ T3372] ? kernfs_fop_write_iter+0x15e/0x410 [ 352.814691][ T3372] ? __kasan_check_write+0x14/0x20 [ 352.819814][ T3372] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 352.825092][ T3372] cgroup_subtree_control_write+0xd19/0x1310 [ 352.831070][ T3372] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 352.837034][ T3372] ? __kasan_check_write+0x14/0x20 [ 352.842611][ T3372] ? _copy_from_iter+0x3fb/0xd60 [ 352.847812][ T3372] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 352.853860][ T3372] cgroup_file_write+0x28e/0x590 [ 352.858954][ T3372] ? cgroup_seqfile_stop+0xc0/0xc0 [ 352.864051][ T3372] ? mutex_trylock+0x180/0x180 [ 352.868828][ T3372] ? __kasan_check_write+0x14/0x20 [ 352.873937][ T3372] kernfs_fop_write_iter+0x2d0/0x410 [ 352.879304][ T3372] ? cgroup_seqfile_stop+0xc0/0xc0 [ 352.884602][ T3372] vfs_write+0xc4a/0xf80 [ 352.888934][ T3372] ? kernel_write+0x420/0x420 [ 352.893684][ T3372] ? mutex_lock+0xb2/0x1e0 [ 352.898079][ T3372] ? mutex_trylock+0x180/0x180 [ 352.902911][ T3372] ? __fdget_pos+0x26d/0x310 [ 352.907592][ T3372] ? ksys_write+0x77/0x2c0 [ 352.912102][ T3372] ksys_write+0x198/0x2c0 [ 352.916473][ T3372] ? __ia32_sys_read+0x90/0x90 [ 352.921336][ T3372] ? debug_smp_processor_id+0x17/0x20 [ 352.926794][ T3372] __x64_sys_write+0x7b/0x90 [ 352.931461][ T3372] do_syscall_64+0x34/0x70 [ 352.935945][ T3372] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 352.941831][ T3372] RIP: 0033:0x7f85191c4049 [ 352.946227][ T3372] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 352.966351][ T3372] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 352.974853][ T3372] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 352.982979][ T3372] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 352.991489][ T3372] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 352.999459][ T3372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 353.007435][ T3372] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 353.015507][ T3366] CPU: 1 PID: 3366 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 353.025833][ T3366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 353.036047][ T3366] Call Trace: [ 353.039325][ T3366] dump_stack_lvl+0x1e2/0x24b [ 353.044165][ T3366] ? bfq_pos_tree_add_move+0x43e/0x43e [ 353.049630][ T3366] ? vsnprintf+0x1fa/0x1cd0 [ 353.054226][ T3366] dump_stack+0x15/0x17 [ 353.058540][ T3366] should_fail+0x3c0/0x510 [ 353.063122][ T3366] should_fail_usercopy+0x1a/0x20 [ 353.068134][ T3366] _copy_from_user+0x20/0xd0 [ 353.072705][ T3366] kstrtouint_from_user+0xd7/0x2b0 [ 353.077800][ T3366] ? kstrtol_from_user+0x310/0x310 [ 353.083250][ T3366] ? snprintf+0xd6/0x120 [ 353.089054][ T3366] ? avc_policy_seqno+0x1b/0x70 [ 353.093982][ T3366] ? selinux_file_permission+0x2a9/0x520 [ 353.099694][ T3366] proc_fail_nth_write+0xa5/0x290 [ 353.104700][ T3366] ? security_file_permission+0x9d/0xc0 [ 353.110225][ T3366] ? proc_fail_nth_read+0x220/0x220 [ 353.115407][ T3366] ? security_file_permission+0xa8/0xc0 [ 353.121143][ T3366] ? rw_verify_area+0x1c2/0x360 [ 353.126106][ T3366] ? proc_fail_nth_read+0x220/0x220 [ 353.131467][ T3366] vfs_write+0x39b/0xf80 [ 353.135718][ T3366] ? kernel_write+0x420/0x420 [ 353.140386][ T3366] ? __kasan_check_write+0x14/0x20 [ 353.145572][ T3366] ? mutex_lock+0xb2/0x1e0 [ 353.150139][ T3366] ? mutex_trylock+0x180/0x180 [ 353.155085][ T3366] ? __fdget_pos+0x26d/0x310 [ 353.159741][ T3366] ? ksys_write+0x77/0x2c0 [ 353.164133][ T3366] ksys_write+0x198/0x2c0 [ 353.168453][ T3366] ? __ia32_sys_read+0x90/0x90 [ 353.173485][ T3366] ? debug_smp_processor_id+0x17/0x20 [ 353.178928][ T3366] __x64_sys_write+0x7b/0x90 [ 353.183586][ T3366] do_syscall_64+0x34/0x70 [ 353.188071][ T3366] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 353.194045][ T3366] RIP: 0033:0x7faa22393b5f [ 353.198805][ T3366] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 353.219116][ T3366] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 353.227878][ T3366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 353.235941][ T3366] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 353.244096][ T3366] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 353.252082][ T3366] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 353.260394][ T3366] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 353.268357][ T3368] CPU: 0 PID: 3368 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 353.279148][ T3368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 353.289302][ T3368] Call Trace: [ 353.292847][ T3368] dump_stack_lvl+0x1e2/0x24b [ 353.297593][ T3368] ? bfq_pos_tree_add_move+0x43e/0x43e [ 353.303110][ T3368] ? vsnprintf+0x1fa/0x1cd0 [ 353.307767][ T3368] dump_stack+0x15/0x17 [ 353.312090][ T3368] should_fail+0x3c0/0x510 [ 353.316495][ T3368] should_fail_usercopy+0x1a/0x20 [ 353.321690][ T3368] _copy_from_user+0x20/0xd0 [ 353.326371][ T3368] kstrtouint_from_user+0xd7/0x2b0 [ 353.331471][ T3368] ? kstrtol_from_user+0x310/0x310 [ 353.336560][ T3368] ? snprintf+0xd6/0x120 [ 353.340782][ T3368] ? avc_policy_seqno+0x1b/0x70 [ 353.345719][ T3368] ? selinux_file_permission+0x2a9/0x520 [ 353.351630][ T3368] proc_fail_nth_write+0xa5/0x290 [ 353.356810][ T3368] ? security_file_permission+0x9d/0xc0 [ 353.362421][ T3368] ? proc_fail_nth_read+0x220/0x220 [ 353.367595][ T3368] ? security_file_permission+0xa8/0xc0 [ 353.373125][ T3368] ? rw_verify_area+0x1c2/0x360 [ 353.378645][ T3368] ? proc_fail_nth_read+0x220/0x220 [ 353.384096][ T3368] vfs_write+0x39b/0xf80 [ 353.388401][ T3368] ? kernel_write+0x420/0x420 [ 353.393311][ T3368] ? __kasan_check_write+0x14/0x20 [ 353.398774][ T3368] ? mutex_lock+0xb2/0x1e0 [ 353.403290][ T3368] ? mutex_trylock+0x180/0x180 [ 353.408140][ T3368] ? __fdget_pos+0x26d/0x310 [ 353.413059][ T3368] ? ksys_write+0x77/0x2c0 [ 353.417654][ T3368] ksys_write+0x198/0x2c0 [ 353.421971][ T3368] ? __ia32_sys_read+0x90/0x90 [ 353.426917][ T3368] ? debug_smp_processor_id+0x17/0x20 [ 353.432268][ T3368] __x64_sys_write+0x7b/0x90 [ 353.437276][ T3368] do_syscall_64+0x34/0x70 [ 353.441849][ T3368] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 353.447809][ T3368] RIP: 0033:0x7f869ba6eb5f [ 353.452549][ T3368] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 353.472656][ T3368] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 353.481137][ T3368] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 353.489093][ T3368] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 353.497041][ T3368] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 2022/08/30 17:01:34 executed programs: 1329 [ 353.504990][ T3368] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 353.513042][ T3368] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 353.525209][ T3370] CPU: 1 PID: 3370 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 353.528350][ T3374] FAULT_INJECTION: forcing a failure. [ 353.528350][ T3374] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 353.535718][ T3370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 353.535722][ T3370] Call Trace: [ 353.535740][ T3370] dump_stack_lvl+0x1e2/0x24b [ 353.535750][ T3370] ? bfq_pos_tree_add_move+0x43e/0x43e [ 353.535760][ T3370] ? vsnprintf+0x1fa/0x1cd0 [ 353.535771][ T3370] dump_stack+0x15/0x17 [ 353.535780][ T3370] should_fail+0x3c0/0x510 [ 353.535789][ T3370] should_fail_usercopy+0x1a/0x20 [ 353.535800][ T3370] _copy_from_user+0x20/0xd0 [ 353.535809][ T3370] kstrtouint_from_user+0xd7/0x2b0 [ 353.535819][ T3370] ? kstrtol_from_user+0x310/0x310 [ 353.535836][ T3370] ? snprintf+0xd6/0x120 [ 353.549684][ T3377] FAULT_INJECTION: forcing a failure. [ 353.549684][ T3377] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 353.559430][ T3370] ? avc_policy_seqno+0x1b/0x70 [ 353.559441][ T3370] ? selinux_file_permission+0x2a9/0x520 [ 353.559450][ T3370] proc_fail_nth_write+0xa5/0x290 [ 353.559459][ T3370] ? security_file_permission+0x9d/0xc0 [ 353.559468][ T3370] ? proc_fail_nth_read+0x220/0x220 [ 353.559476][ T3370] ? security_file_permission+0xa8/0xc0 [ 353.559487][ T3370] ? rw_verify_area+0x1c2/0x360 [ 353.559496][ T3370] ? proc_fail_nth_read+0x220/0x220 [ 353.559506][ T3370] vfs_write+0x39b/0xf80 [ 353.559515][ T3370] ? kernel_write+0x420/0x420 [ 353.559532][ T3370] ? __kasan_check_write+0x14/0x20 [ 353.565088][ T3379] FAULT_INJECTION: forcing a failure. [ 353.565088][ T3379] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 353.567473][ T3370] ? mutex_lock+0xb2/0x1e0 [ 353.567489][ T3370] ? mutex_trylock+0x180/0x180 [ 353.705444][ T3370] ? __fdget_pos+0x26d/0x310 [ 353.710220][ T3370] ? ksys_write+0x77/0x2c0 [ 353.714752][ T3370] ksys_write+0x198/0x2c0 [ 353.719339][ T3370] ? __ia32_sys_read+0x90/0x90 [ 353.724242][ T3370] ? debug_smp_processor_id+0x17/0x20 [ 353.729726][ T3370] __x64_sys_write+0x7b/0x90 [ 353.734473][ T3370] do_syscall_64+0x34/0x70 [ 353.740093][ T3370] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 353.746056][ T3370] RIP: 0033:0x7f6ebe0d0b5f [ 353.750459][ T3370] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 353.770847][ T3370] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 353.779517][ T3370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 353.787842][ T3370] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 353.795975][ T3370] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 353.804191][ T3370] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 353.812158][ T3370] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 353.820234][ T3377] CPU: 0 PID: 3377 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 353.830661][ T3377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 353.840981][ T3377] Call Trace: [ 353.844369][ T3377] dump_stack_lvl+0x1e2/0x24b [ 353.849221][ T3377] ? bfq_pos_tree_add_move+0x43e/0x43e [ 353.854987][ T3377] ? vsnprintf+0x1fa/0x1cd0 [ 353.859512][ T3377] dump_stack+0x15/0x17 [ 353.863653][ T3377] should_fail+0x3c0/0x510 [ 353.868076][ T3377] should_fail_usercopy+0x1a/0x20 [ 353.873186][ T3377] _copy_from_user+0x20/0xd0 [ 353.877769][ T3377] kstrtouint_from_user+0xd7/0x2b0 [ 353.883136][ T3377] ? kstrtol_from_user+0x310/0x310 [ 353.888419][ T3377] ? snprintf+0xd6/0x120 [ 353.892768][ T3377] ? avc_policy_seqno+0x1b/0x70 [ 353.898585][ T3377] ? selinux_file_permission+0x2a9/0x520 [ 353.904659][ T3377] proc_fail_nth_write+0xa5/0x290 [ 353.910047][ T3377] ? security_file_permission+0x9d/0xc0 [ 353.916129][ T3377] ? proc_fail_nth_read+0x220/0x220 [ 353.921325][ T3377] ? security_file_permission+0xa8/0xc0 [ 353.926945][ T3377] ? rw_verify_area+0x1c2/0x360 [ 353.931776][ T3377] ? proc_fail_nth_read+0x220/0x220 [ 353.936974][ T3377] vfs_write+0x39b/0xf80 [ 353.941245][ T3377] ? kernel_write+0x420/0x420 [ 353.946334][ T3377] ? __kasan_check_write+0x14/0x20 [ 353.951528][ T3377] ? mutex_lock+0xb2/0x1e0 [ 353.956104][ T3377] ? mutex_trylock+0x180/0x180 [ 353.961027][ T3377] ? __fdget_pos+0x26d/0x310 [ 353.965780][ T3377] ? ksys_write+0x77/0x2c0 [ 353.970522][ T3377] ksys_write+0x198/0x2c0 [ 353.975041][ T3377] ? __ia32_sys_read+0x90/0x90 [ 353.980728][ T3377] ? debug_smp_processor_id+0x17/0x20 [ 353.986590][ T3377] __x64_sys_write+0x7b/0x90 [ 353.988870][ T3385] FAULT_INJECTION: forcing a failure. [ 353.988870][ T3385] name failslab, interval 1, probability 0, space 0, times 0 [ 353.991645][ T3377] do_syscall_64+0x34/0x70 [ 353.991657][ T3377] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 353.991666][ T3377] RIP: 0033:0x7f022ab05b5f [ 353.991683][ T3377] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 354.039529][ T3377] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 354.048983][ T3377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 354.057234][ T3377] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 354.065547][ T3377] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 354.073524][ T3377] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 354.081757][ T3377] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 354.090135][ T3379] CPU: 1 PID: 3379 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 354.100577][ T3379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 354.110624][ T3379] Call Trace: [ 354.113934][ T3379] dump_stack_lvl+0x1e2/0x24b [ 354.118897][ T3379] ? bfq_pos_tree_add_move+0x43e/0x43e [ 354.124534][ T3379] ? vsnprintf+0x1fa/0x1cd0 [ 354.129318][ T3379] dump_stack+0x15/0x17 [ 354.134563][ T3379] should_fail+0x3c0/0x510 [ 354.139066][ T3379] should_fail_usercopy+0x1a/0x20 [ 354.144184][ T3379] _copy_from_user+0x20/0xd0 [ 354.148770][ T3379] kstrtouint_from_user+0xd7/0x2b0 [ 354.153871][ T3379] ? kstrtol_from_user+0x310/0x310 [ 354.159224][ T3379] ? snprintf+0xd6/0x120 [ 354.163487][ T3379] ? avc_policy_seqno+0x1b/0x70 [ 354.168421][ T3379] ? selinux_file_permission+0x2a9/0x520 [ 354.174093][ T3379] proc_fail_nth_write+0xa5/0x290 [ 354.179309][ T3379] ? security_file_permission+0x9d/0xc0 [ 354.187198][ T3379] ? proc_fail_nth_read+0x220/0x220 [ 354.192554][ T3379] ? security_file_permission+0xa8/0xc0 [ 354.198283][ T3379] ? rw_verify_area+0x1c2/0x360 [ 354.203363][ T3379] ? proc_fail_nth_read+0x220/0x220 [ 354.208730][ T3379] vfs_write+0x39b/0xf80 [ 354.213039][ T3379] ? kernel_write+0x420/0x420 [ 354.218331][ T3379] ? __kasan_check_write+0x14/0x20 [ 354.223597][ T3379] ? mutex_lock+0xb2/0x1e0 [ 354.228080][ T3379] ? mutex_trylock+0x180/0x180 [ 354.233090][ T3379] ? __fdget_pos+0x26d/0x310 [ 354.237757][ T3379] ? ksys_write+0x77/0x2c0 [ 354.242351][ T3379] ksys_write+0x198/0x2c0 [ 354.247100][ T3379] ? __ia32_sys_read+0x90/0x90 [ 354.251849][ T3379] ? debug_smp_processor_id+0x17/0x20 [ 354.257306][ T3379] __x64_sys_write+0x7b/0x90 [ 354.261985][ T3379] do_syscall_64+0x34/0x70 [ 354.266512][ T3379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 354.272472][ T3379] RIP: 0033:0x7faa22393b5f [ 354.276958][ T3379] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 354.296724][ T3379] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 354.305476][ T3379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 354.314907][ T3379] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 354.322994][ T3379] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 354.331151][ T3379] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 354.339557][ T3379] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 354.348072][ T3374] CPU: 0 PID: 3374 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 354.358692][ T3374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 354.368992][ T3374] Call Trace: [ 354.372462][ T3374] dump_stack_lvl+0x1e2/0x24b [ 354.377118][ T3374] ? bfq_pos_tree_add_move+0x43e/0x43e [ 354.382653][ T3374] ? vsnprintf+0x1fa/0x1cd0 [ 354.387223][ T3374] dump_stack+0x15/0x17 [ 354.391535][ T3374] should_fail+0x3c0/0x510 [ 354.396559][ T3374] should_fail_usercopy+0x1a/0x20 [ 354.401650][ T3374] _copy_from_user+0x20/0xd0 [ 354.406392][ T3374] kstrtouint_from_user+0xd7/0x2b0 [ 354.411493][ T3374] ? kstrtol_from_user+0x310/0x310 [ 354.416662][ T3374] ? snprintf+0xd6/0x120 [ 354.420885][ T3374] ? avc_policy_seqno+0x1b/0x70 [ 354.426207][ T3374] ? selinux_file_permission+0x2a9/0x520 [ 354.431834][ T3374] proc_fail_nth_write+0xa5/0x290 [ 354.437006][ T3374] ? security_file_permission+0x9d/0xc0 [ 354.442719][ T3374] ? proc_fail_nth_read+0x220/0x220 [ 354.448194][ T3374] ? security_file_permission+0xa8/0xc0 [ 354.453950][ T3374] ? rw_verify_area+0x1c2/0x360 [ 354.459133][ T3374] ? proc_fail_nth_read+0x220/0x220 [ 354.464937][ T3374] vfs_write+0x39b/0xf80 [ 354.469991][ T3374] ? kernel_write+0x420/0x420 [ 354.474735][ T3374] ? __kasan_check_write+0x14/0x20 [ 354.479910][ T3374] ? mutex_lock+0xb2/0x1e0 [ 354.484474][ T3374] ? mutex_trylock+0x180/0x180 [ 354.489607][ T3374] ? __fdget_pos+0x26d/0x310 [ 354.494264][ T3374] ? ksys_write+0x77/0x2c0 [ 354.498769][ T3374] ksys_write+0x198/0x2c0 [ 354.503447][ T3374] ? __kasan_check_write+0x14/0x20 [ 354.508626][ T3374] ? __ia32_sys_read+0x90/0x90 [ 354.513368][ T3374] ? debug_smp_processor_id+0x17/0x20 [ 354.518833][ T3374] __x64_sys_write+0x7b/0x90 [ 354.523484][ T3374] do_syscall_64+0x34/0x70 [ 354.527969][ T3374] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 354.533845][ T3374] RIP: 0033:0x7f7d1c31ab5f [ 354.538419][ T3374] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 354.558365][ T3374] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 354.567739][ T3374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 354.575901][ T3374] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 354.584055][ T3374] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 354.592011][ T3374] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 354.600174][ T3374] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 354.611133][ T3385] CPU: 0 PID: 3385 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 354.621602][ T3385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 354.631653][ T3385] Call Trace: [ 354.635135][ T3385] dump_stack_lvl+0x1e2/0x24b [ 354.639821][ T3385] ? panic+0x7d7/0x7d7 [ 354.644331][ T3385] ? bfq_pos_tree_add_move+0x43e/0x43e [ 354.649798][ T3385] ? find_next_bit+0xd6/0x120 [ 354.654738][ T3385] ? cpumask_next+0x11/0x30 [ 354.659355][ T3385] dump_stack+0x15/0x17 [ 354.663880][ T3385] should_fail+0x3c0/0x510 [ 354.668745][ T3385] ? percpu_ref_init+0xd0/0x340 [ 354.673639][ T3385] __should_failslab+0x9f/0xe0 [ 354.678482][ T3385] should_failslab+0x9/0x20 [ 354.683327][ T3385] kmem_cache_alloc_trace+0x3a/0x330 [ 354.688813][ T3385] percpu_ref_init+0xd0/0x340 [ 354.693662][ T3385] ? cgroup_setup_root+0xea0/0xea0 [ 354.698759][ T3385] cgroup_apply_control_enable+0x3a2/0x12f0 [ 354.704729][ T3385] ? cgroup_reconfigure+0xe0/0xe0 [ 354.709738][ T3385] cgroup_apply_control+0x8e/0x7e0 [ 354.715002][ T3385] ? css_next_child+0x160/0x160 [ 354.719827][ T3385] ? io_schedule+0x120/0x120 [ 354.724393][ T3385] ? kernfs_fop_write_iter+0x15e/0x410 [ 354.730020][ T3385] ? __kasan_check_write+0x14/0x20 [ 354.735610][ T3385] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 354.740890][ T3385] cgroup_subtree_control_write+0xd19/0x1310 [ 354.746967][ T3385] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 354.753553][ T3385] ? __kasan_check_write+0x14/0x20 [ 354.758731][ T3385] ? _copy_from_iter+0x3fb/0xd60 [ 354.763822][ T3385] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 354.769790][ T3385] cgroup_file_write+0x28e/0x590 [ 354.775010][ T3385] ? cgroup_seqfile_stop+0xc0/0xc0 [ 354.780196][ T3385] ? mutex_trylock+0x180/0x180 [ 354.785103][ T3385] ? __kasan_check_write+0x14/0x20 [ 354.790674][ T3385] kernfs_fop_write_iter+0x2d0/0x410 [ 354.796074][ T3385] ? cgroup_seqfile_stop+0xc0/0xc0 [ 354.801415][ T3385] vfs_write+0xc4a/0xf80 [ 354.805749][ T3385] ? kernel_write+0x420/0x420 [ 354.810505][ T3385] ? mutex_lock+0xb2/0x1e0 [ 354.814946][ T3385] ? mutex_trylock+0x180/0x180 [ 354.819949][ T3385] ? __fdget_pos+0x26d/0x310 [ 354.824643][ T3385] ? ksys_write+0x77/0x2c0 [ 354.829752][ T3385] ksys_write+0x198/0x2c0 [ 354.834609][ T3385] ? __ia32_sys_read+0x90/0x90 [ 354.839472][ T3385] ? debug_smp_processor_id+0x17/0x20 [ 354.845096][ T3385] __x64_sys_write+0x7b/0x90 [ 354.849683][ T3385] do_syscall_64+0x34/0x70 [ 354.854146][ T3385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 354.860101][ T3385] RIP: 0033:0x7f85191c4049 [ 354.864592][ T3385] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 354.884351][ T3385] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 354.893278][ T3385] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 354.902299][ T3385] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 354.910352][ T3385] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 354.918391][ T3385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 354.926431][ T3385] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 354.940288][ T3393] FAULT_INJECTION: forcing a failure. [ 354.940288][ T3393] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 354.953683][ T3387] FAULT_INJECTION: forcing a failure. [ 354.953683][ T3387] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 354.955941][ T3396] FAULT_INJECTION: forcing a failure. [ 354.955941][ T3396] name failslab, interval 1, probability 0, space 0, times 0 [ 354.969738][ T3387] CPU: 0 PID: 3387 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 354.992635][ T3387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 355.003128][ T3387] Call Trace: [ 355.006808][ T3387] dump_stack_lvl+0x1e2/0x24b [ 355.011825][ T3387] ? bfq_pos_tree_add_move+0x43e/0x43e [ 355.017278][ T3387] ? vsnprintf+0x1fa/0x1cd0 [ 355.022029][ T3387] dump_stack+0x15/0x17 [ 355.026377][ T3387] should_fail+0x3c0/0x510 [ 355.031441][ T3387] should_fail_usercopy+0x1a/0x20 [ 355.036993][ T3387] _copy_from_user+0x20/0xd0 [ 355.041707][ T3387] kstrtouint_from_user+0xd7/0x2b0 [ 355.047061][ T3387] ? kstrtol_from_user+0x310/0x310 [ 355.056362][ T3387] ? snprintf+0xd6/0x120 [ 355.060701][ T3387] ? avc_policy_seqno+0x1b/0x70 [ 355.065891][ T3387] ? selinux_file_permission+0x2a9/0x520 [ 355.072045][ T3387] proc_fail_nth_write+0xa5/0x290 [ 355.077629][ T3387] ? security_file_permission+0x9d/0xc0 [ 355.083168][ T3387] ? proc_fail_nth_read+0x220/0x220 [ 355.088718][ T3387] ? security_file_permission+0xa8/0xc0 [ 355.095201][ T3387] ? rw_verify_area+0x1c2/0x360 [ 355.100072][ T3387] ? proc_fail_nth_read+0x220/0x220 [ 355.105353][ T3387] vfs_write+0x39b/0xf80 [ 355.109768][ T3387] ? kernel_write+0x420/0x420 [ 355.114431][ T3387] ? __kasan_check_write+0x14/0x20 [ 355.119521][ T3387] ? mutex_lock+0xb2/0x1e0 [ 355.123912][ T3387] ? mutex_trylock+0x180/0x180 [ 355.128998][ T3387] ? __fdget_pos+0x26d/0x310 [ 355.134179][ T3387] ? ksys_write+0x77/0x2c0 [ 355.138573][ T3387] ksys_write+0x198/0x2c0 [ 355.143054][ T3387] ? __kasan_check_write+0x14/0x20 [ 355.148328][ T3387] ? __ia32_sys_read+0x90/0x90 [ 355.153077][ T3387] ? debug_smp_processor_id+0x17/0x20 [ 355.158774][ T3387] __x64_sys_write+0x7b/0x90 [ 355.163350][ T3387] do_syscall_64+0x34/0x70 [ 355.167953][ T3387] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 355.174347][ T3387] RIP: 0033:0x7f869ba6eb5f [ 355.179521][ T3387] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 355.199987][ T3387] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 355.208837][ T3387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 355.216881][ T3387] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 355.225117][ T3387] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 355.233359][ T3387] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 355.241576][ T3387] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 355.250300][ T3396] CPU: 1 PID: 3396 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 355.261245][ T3396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 355.271507][ T3396] Call Trace: [ 355.274786][ T3396] dump_stack_lvl+0x1e2/0x24b [ 355.279545][ T3396] ? panic+0x7d7/0x7d7 [ 355.283597][ T3396] ? bfq_pos_tree_add_move+0x43e/0x43e [ 355.289230][ T3396] ? find_next_bit+0xd6/0x120 [ 355.293900][ T3396] ? cpumask_next+0x11/0x30 [ 355.298492][ T3396] dump_stack+0x15/0x17 [ 355.302731][ T3396] should_fail+0x3c0/0x510 [ 355.307133][ T3396] ? percpu_ref_init+0xd0/0x340 [ 355.312534][ T3396] __should_failslab+0x9f/0xe0 [ 355.317304][ T3396] should_failslab+0x9/0x20 [ 355.321880][ T3396] kmem_cache_alloc_trace+0x3a/0x330 [ 355.327355][ T3396] percpu_ref_init+0xd0/0x340 [ 355.332017][ T3396] ? cgroup_setup_root+0xea0/0xea0 [ 355.337115][ T3396] cgroup_apply_control_enable+0x3a2/0x12f0 [ 355.343698][ T3396] ? cgroup_reconfigure+0xe0/0xe0 [ 355.348795][ T3396] cgroup_apply_control+0x8e/0x7e0 [ 355.353929][ T3396] ? css_next_child+0x160/0x160 [ 355.358951][ T3396] ? io_schedule+0x120/0x120 [ 355.363585][ T3396] ? kernfs_fop_write_iter+0x15e/0x410 [ 355.369767][ T3396] ? __kasan_check_write+0x14/0x20 [ 355.375136][ T3396] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 355.380830][ T3396] cgroup_subtree_control_write+0xd19/0x1310 [ 355.387080][ T3396] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 355.393338][ T3396] ? __kasan_check_write+0x14/0x20 [ 355.398898][ T3396] ? _copy_from_iter+0x3fb/0xd60 [ 355.404006][ T3396] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 355.410262][ T3396] cgroup_file_write+0x28e/0x590 [ 355.415366][ T3396] ? cgroup_seqfile_stop+0xc0/0xc0 [ 355.420736][ T3396] ? mutex_trylock+0x180/0x180 [ 355.425672][ T3396] ? __kasan_check_write+0x14/0x20 [ 355.430762][ T3396] kernfs_fop_write_iter+0x2d0/0x410 [ 355.436838][ T3396] ? cgroup_seqfile_stop+0xc0/0xc0 [ 355.442391][ T3396] vfs_write+0xc4a/0xf80 [ 355.446714][ T3396] ? kernel_write+0x420/0x420 [ 355.451483][ T3396] ? mutex_lock+0xb2/0x1e0 [ 355.455969][ T3396] ? mutex_trylock+0x180/0x180 [ 355.461160][ T3396] ? __fdget_pos+0x26d/0x310 [ 355.465818][ T3396] ? ksys_write+0x77/0x2c0 [ 355.470437][ T3396] ksys_write+0x198/0x2c0 [ 355.474854][ T3396] ? __ia32_sys_read+0x90/0x90 [ 355.479984][ T3396] ? debug_smp_processor_id+0x17/0x20 [ 355.485339][ T3396] __x64_sys_write+0x7b/0x90 [ 355.489961][ T3396] do_syscall_64+0x34/0x70 [ 355.494671][ T3396] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 355.500831][ T3396] RIP: 0033:0x7f85191c4049 [ 355.505425][ T3396] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 355.525769][ T3396] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 355.534362][ T3396] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 355.542901][ T3396] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 355.551071][ T3396] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 355.559048][ T3396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 355.567033][ T3396] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 355.575368][ T3393] CPU: 0 PID: 3393 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 355.585816][ T3393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 355.596502][ T3393] Call Trace: [ 355.600126][ T3393] dump_stack_lvl+0x1e2/0x24b [ 355.605074][ T3393] ? bfq_pos_tree_add_move+0x43e/0x43e [ 355.605493][ T3397] FAULT_INJECTION: forcing a failure. [ 355.605493][ T3397] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 355.610618][ T3393] ? vsnprintf+0x1fa/0x1cd0 [ 355.610631][ T3393] dump_stack+0x15/0x17 [ 355.610641][ T3393] should_fail+0x3c0/0x510 [ 355.610656][ T3393] should_fail_usercopy+0x1a/0x20 [ 355.642351][ T3393] _copy_from_user+0x20/0xd0 [ 355.646948][ T3393] kstrtouint_from_user+0xd7/0x2b0 [ 355.652315][ T3393] ? kstrtol_from_user+0x310/0x310 [ 355.657534][ T3393] ? snprintf+0xd6/0x120 [ 355.662050][ T3393] ? avc_policy_seqno+0x1b/0x70 [ 355.667437][ T3393] ? selinux_file_permission+0x2a9/0x520 [ 355.673336][ T3393] proc_fail_nth_write+0xa5/0x290 [ 355.678437][ T3393] ? security_file_permission+0x9d/0xc0 [ 355.679903][ T3403] FAULT_INJECTION: forcing a failure. [ 355.679903][ T3403] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 355.684166][ T3393] ? proc_fail_nth_read+0x220/0x220 [ 355.684177][ T3393] ? security_file_permission+0xa8/0xc0 [ 355.684195][ T3393] ? rw_verify_area+0x1c2/0x360 [ 355.714059][ T3393] ? proc_fail_nth_read+0x220/0x220 [ 355.719335][ T3393] vfs_write+0x39b/0xf80 [ 355.723691][ T3393] ? kernel_write+0x420/0x420 [ 355.727132][ T3404] FAULT_INJECTION: forcing a failure. [ 355.727132][ T3404] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 355.728561][ T3393] ? __kasan_check_write+0x14/0x20 [ 355.728579][ T3393] ? mutex_lock+0xb2/0x1e0 [ 355.751829][ T3393] ? mutex_trylock+0x180/0x180 [ 355.756675][ T3393] ? __fdget_pos+0x26d/0x310 [ 355.761346][ T3393] ? ksys_write+0x77/0x2c0 [ 355.765768][ T3393] ksys_write+0x198/0x2c0 [ 355.770164][ T3393] ? __ia32_sys_read+0x90/0x90 [ 355.775093][ T3393] ? debug_smp_processor_id+0x17/0x20 [ 355.780753][ T3393] __x64_sys_write+0x7b/0x90 [ 355.785413][ T3393] do_syscall_64+0x34/0x70 [ 355.790138][ T3393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 355.796439][ T3393] RIP: 0033:0x7faa22393b5f [ 355.801005][ T3393] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 355.821480][ T3393] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 355.829898][ T3393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 355.837951][ T3393] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 355.846170][ T3393] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 355.854377][ T3393] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 355.862507][ T3393] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 355.872878][ T3405] FAULT_INJECTION: forcing a failure. [ 355.872878][ T3405] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 355.873570][ T3403] CPU: 0 PID: 3403 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 355.897290][ T3403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 355.908220][ T3403] Call Trace: [ 355.911770][ T3403] dump_stack_lvl+0x1e2/0x24b [ 355.916441][ T3403] ? bfq_pos_tree_add_move+0x43e/0x43e [ 355.922766][ T3403] ? vsnprintf+0x1fa/0x1cd0 [ 355.927478][ T3403] dump_stack+0x15/0x17 [ 355.931644][ T3403] should_fail+0x3c0/0x510 [ 355.936242][ T3403] should_fail_usercopy+0x1a/0x20 [ 355.941282][ T3403] _copy_from_user+0x20/0xd0 [ 355.945964][ T3403] kstrtouint_from_user+0xd7/0x2b0 [ 355.951059][ T3403] ? kstrtol_from_user+0x310/0x310 [ 355.956178][ T3403] ? snprintf+0xd6/0x120 [ 355.960856][ T3403] ? avc_policy_seqno+0x1b/0x70 [ 355.965797][ T3403] ? selinux_file_permission+0x2a9/0x520 [ 355.969789][ T3407] FAULT_INJECTION: forcing a failure. [ 355.969789][ T3407] name failslab, interval 1, probability 0, space 0, times 0 [ 355.972264][ T3403] proc_fail_nth_write+0xa5/0x290 [ 355.972277][ T3403] ? security_file_permission+0x9d/0xc0 [ 355.972286][ T3403] ? proc_fail_nth_read+0x220/0x220 [ 355.972305][ T3403] ? security_file_permission+0xa8/0xc0 [ 356.008111][ T3403] ? rw_verify_area+0x1c2/0x360 [ 356.013516][ T3403] ? proc_fail_nth_read+0x220/0x220 [ 356.019078][ T3403] vfs_write+0x39b/0xf80 [ 356.023595][ T3403] ? kernel_write+0x420/0x420 [ 356.028794][ T3403] ? __kasan_check_write+0x14/0x20 [ 356.034164][ T3403] ? mutex_lock+0xb2/0x1e0 [ 356.038747][ T3403] ? mutex_trylock+0x180/0x180 [ 356.043676][ T3403] ? __fdget_pos+0x26d/0x310 [ 356.049403][ T3403] ? ksys_write+0x77/0x2c0 [ 356.053995][ T3403] ksys_write+0x198/0x2c0 [ 356.058539][ T3403] ? __ia32_sys_read+0x90/0x90 [ 356.063553][ T3403] ? debug_smp_processor_id+0x17/0x20 [ 356.070838][ T3403] __x64_sys_write+0x7b/0x90 [ 356.076833][ T3403] do_syscall_64+0x34/0x70 [ 356.081526][ T3403] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 356.087843][ T3403] RIP: 0033:0x7f869ba6eb5f [ 356.092699][ T3403] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 356.112670][ T3403] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 356.121515][ T3403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 356.130739][ T3403] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 356.138894][ T3403] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 356.147065][ T3403] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 356.155113][ T3403] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 356.163166][ T3407] CPU: 1 PID: 3407 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 356.174273][ T3407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 356.184814][ T3407] Call Trace: [ 356.188259][ T3407] dump_stack_lvl+0x1e2/0x24b [ 356.193189][ T3407] ? panic+0x7d7/0x7d7 [ 356.197251][ T3407] ? bfq_pos_tree_add_move+0x43e/0x43e [ 356.203483][ T3407] ? find_next_bit+0xd6/0x120 [ 356.208171][ T3407] ? cpumask_next+0x11/0x30 [ 356.213694][ T3407] dump_stack+0x15/0x17 [ 356.217836][ T3407] should_fail+0x3c0/0x510 [ 356.222495][ T3407] ? percpu_ref_init+0xd0/0x340 [ 356.227421][ T3407] __should_failslab+0x9f/0xe0 [ 356.232255][ T3407] should_failslab+0x9/0x20 [ 356.236747][ T3407] kmem_cache_alloc_trace+0x3a/0x330 [ 356.242100][ T3407] percpu_ref_init+0xd0/0x340 [ 356.246761][ T3407] ? cgroup_setup_root+0xea0/0xea0 [ 356.252030][ T3407] cgroup_apply_control_enable+0x3a2/0x12f0 [ 356.257989][ T3407] ? cgroup_reconfigure+0xe0/0xe0 [ 356.262994][ T3407] cgroup_apply_control+0x8e/0x7e0 [ 356.268356][ T3407] ? css_next_child+0x160/0x160 [ 356.273362][ T3407] ? __irq_exit_rcu+0x41/0x150 [ 356.278106][ T3407] ? io_schedule+0x120/0x120 [ 356.282857][ T3407] ? kernfs_fop_write_iter+0x15e/0x410 [ 356.288295][ T3407] ? __kasan_check_write+0x14/0x20 [ 356.293478][ T3407] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 356.298803][ T3407] cgroup_subtree_control_write+0xd19/0x1310 [ 356.304853][ T3407] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 356.311078][ T3407] ? __kasan_check_write+0x14/0x20 [ 356.316216][ T3407] ? _copy_from_iter+0x3fb/0xd60 [ 356.321393][ T3407] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 356.327374][ T3407] cgroup_file_write+0x28e/0x590 [ 356.332828][ T3407] ? cgroup_seqfile_stop+0xc0/0xc0 [ 356.338117][ T3407] ? mutex_trylock+0x180/0x180 [ 356.343169][ T3407] ? __kasan_check_write+0x14/0x20 [ 356.348265][ T3407] kernfs_fop_write_iter+0x2d0/0x410 [ 356.353625][ T3407] ? cgroup_seqfile_stop+0xc0/0xc0 [ 356.358900][ T3407] vfs_write+0xc4a/0xf80 [ 356.363140][ T3407] ? kernel_write+0x420/0x420 [ 356.367819][ T3407] ? mutex_lock+0xb2/0x1e0 [ 356.372411][ T3407] ? mutex_trylock+0x180/0x180 [ 356.377460][ T3407] ? __fdget_pos+0x26d/0x310 [ 356.382068][ T3407] ? ksys_write+0x77/0x2c0 [ 356.386698][ T3407] ksys_write+0x198/0x2c0 [ 356.391037][ T3407] ? __ia32_sys_read+0x90/0x90 [ 356.395896][ T3407] ? debug_smp_processor_id+0x17/0x20 [ 356.401359][ T3407] __x64_sys_write+0x7b/0x90 [ 356.406018][ T3407] do_syscall_64+0x34/0x70 [ 356.410883][ T3407] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 356.416956][ T3407] RIP: 0033:0x7f85191c4049 [ 356.421397][ T3407] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 356.441415][ T3407] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 356.449999][ T3407] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 356.458254][ T3407] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 356.466662][ T3407] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 356.474907][ T3407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 356.483088][ T3407] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 356.491090][ T3404] CPU: 0 PID: 3404 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 356.501509][ T3404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 356.511576][ T3404] Call Trace: [ 356.514869][ T3404] dump_stack_lvl+0x1e2/0x24b [ 356.519532][ T3404] ? bfq_pos_tree_add_move+0x43e/0x43e [ 356.525257][ T3404] ? vsnprintf+0x1fa/0x1cd0 [ 356.529836][ T3404] dump_stack+0x15/0x17 [ 356.534058][ T3404] should_fail+0x3c0/0x510 [ 356.538581][ T3404] should_fail_usercopy+0x1a/0x20 [ 356.543826][ T3404] _copy_from_user+0x20/0xd0 [ 356.548442][ T3404] kstrtouint_from_user+0xd7/0x2b0 [ 356.553740][ T3404] ? kstrtol_from_user+0x310/0x310 [ 356.558853][ T3404] ? snprintf+0xd6/0x120 [ 356.563182][ T3404] ? avc_policy_seqno+0x1b/0x70 [ 356.568183][ T3404] ? selinux_file_permission+0x2a9/0x520 [ 356.573811][ T3404] proc_fail_nth_write+0xa5/0x290 [ 356.578815][ T3404] ? security_file_permission+0x9d/0xc0 [ 356.584384][ T3404] ? proc_fail_nth_read+0x220/0x220 [ 356.589580][ T3404] ? security_file_permission+0xa8/0xc0 [ 356.595214][ T3404] ? rw_verify_area+0x1c2/0x360 [ 356.600149][ T3404] ? proc_fail_nth_read+0x220/0x220 [ 356.605468][ T3404] vfs_write+0x39b/0xf80 [ 356.609810][ T3404] ? kernel_write+0x420/0x420 [ 356.614494][ T3404] ? __kasan_check_write+0x14/0x20 [ 356.619684][ T3404] ? mutex_lock+0xb2/0x1e0 [ 356.624188][ T3404] ? mutex_trylock+0x180/0x180 [ 356.629036][ T3404] ? __fdget_pos+0x26d/0x310 [ 356.633716][ T3404] ? ksys_write+0x77/0x2c0 [ 356.638125][ T3404] ksys_write+0x198/0x2c0 [ 356.642900][ T3404] ? __ia32_sys_read+0x90/0x90 [ 356.648899][ T3404] ? debug_smp_processor_id+0x17/0x20 [ 356.654491][ T3404] __x64_sys_write+0x7b/0x90 [ 356.659091][ T3404] do_syscall_64+0x34/0x70 [ 356.663498][ T3404] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 356.669786][ T3404] RIP: 0033:0x7f022ab05b5f [ 356.674193][ T3404] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 356.694950][ T3404] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 356.703715][ T3404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 356.711970][ T3404] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 356.720197][ T3404] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 356.728528][ T3404] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 356.736914][ T3404] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 356.748510][ T3405] CPU: 0 PID: 3405 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 356.759293][ T3405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 356.769776][ T3405] Call Trace: [ 356.773142][ T3405] dump_stack_lvl+0x1e2/0x24b [ 356.777834][ T3405] ? bfq_pos_tree_add_move+0x43e/0x43e [ 356.783359][ T3405] ? vsnprintf+0x1fa/0x1cd0 [ 356.788475][ T3405] dump_stack+0x15/0x17 [ 356.792701][ T3405] should_fail+0x3c0/0x510 [ 356.797367][ T3405] should_fail_usercopy+0x1a/0x20 [ 356.803066][ T3405] _copy_from_user+0x20/0xd0 [ 356.807972][ T3405] kstrtouint_from_user+0xd7/0x2b0 [ 356.813107][ T3405] ? kstrtol_from_user+0x310/0x310 [ 356.818380][ T3405] ? snprintf+0xd6/0x120 [ 356.822693][ T3405] ? avc_policy_seqno+0x1b/0x70 [ 356.827523][ T3405] ? selinux_file_permission+0x2a9/0x520 [ 356.833230][ T3405] proc_fail_nth_write+0xa5/0x290 [ 356.838622][ T3405] ? security_file_permission+0x9d/0xc0 [ 356.844213][ T3405] ? proc_fail_nth_read+0x220/0x220 [ 356.849841][ T3405] ? security_file_permission+0xa8/0xc0 [ 356.855449][ T3405] ? rw_verify_area+0x1c2/0x360 [ 356.860284][ T3405] ? proc_fail_nth_read+0x220/0x220 [ 356.865565][ T3405] vfs_write+0x39b/0xf80 [ 356.869828][ T3405] ? kernel_write+0x420/0x420 [ 356.874586][ T3405] ? __kasan_check_write+0x14/0x20 [ 356.879951][ T3405] ? mutex_lock+0xb2/0x1e0 [ 356.884367][ T3405] ? mutex_trylock+0x180/0x180 [ 356.889215][ T3405] ? __fdget_pos+0x26d/0x310 [ 356.893892][ T3405] ? ksys_write+0x77/0x2c0 [ 356.898386][ T3405] ksys_write+0x198/0x2c0 [ 356.902934][ T3405] ? __ia32_sys_read+0x90/0x90 [ 356.907682][ T3405] ? debug_smp_processor_id+0x17/0x20 [ 356.913064][ T3405] __x64_sys_write+0x7b/0x90 [ 356.917819][ T3405] do_syscall_64+0x34/0x70 [ 356.922220][ T3405] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 356.933222][ T3405] RIP: 0033:0x7f7d1c31ab5f [ 356.937920][ T3405] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 356.958563][ T3405] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 356.968446][ T3405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 356.976765][ T3405] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 356.984746][ T3405] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 356.993273][ T3405] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 357.001430][ T3405] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 357.010038][ T3397] CPU: 0 PID: 3397 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 357.010490][ T3411] FAULT_INJECTION: forcing a failure. [ 357.010490][ T3411] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 357.021318][ T3397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 357.021324][ T3397] Call Trace: [ 357.021351][ T3397] dump_stack_lvl+0x1e2/0x24b [ 357.021365][ T3397] ? bfq_pos_tree_add_move+0x43e/0x43e [ 357.021377][ T3397] ? vsnprintf+0x1fa/0x1cd0 [ 357.021387][ T3397] dump_stack+0x15/0x17 [ 357.021406][ T3397] should_fail+0x3c0/0x510 [ 357.057565][ T3412] FAULT_INJECTION: forcing a failure. [ 357.057565][ T3412] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 357.059192][ T3397] should_fail_usercopy+0x1a/0x20 [ 357.059210][ T3397] _copy_from_user+0x20/0xd0 [ 357.096242][ T3397] kstrtouint_from_user+0xd7/0x2b0 [ 357.101372][ T3397] ? kstrtol_from_user+0x310/0x310 [ 357.106558][ T3397] ? snprintf+0xd6/0x120 [ 357.110968][ T3397] ? avc_policy_seqno+0x1b/0x70 [ 357.115812][ T3397] ? selinux_file_permission+0x2a9/0x520 [ 357.116753][ T3413] FAULT_INJECTION: forcing a failure. [ 357.116753][ T3413] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 357.121661][ T3397] proc_fail_nth_write+0xa5/0x290 [ 357.121680][ T3397] ? security_file_permission+0x9d/0xc0 [ 357.145902][ T3397] ? proc_fail_nth_read+0x220/0x220 [ 357.151111][ T3397] ? security_file_permission+0xa8/0xc0 [ 357.156927][ T3397] ? rw_verify_area+0x1c2/0x360 [ 357.161995][ T3397] ? proc_fail_nth_read+0x220/0x220 [ 357.167291][ T3397] vfs_write+0x39b/0xf80 [ 357.171631][ T3397] ? kernel_write+0x420/0x420 [ 357.176737][ T3397] ? __kasan_check_write+0x14/0x20 [ 357.181940][ T3397] ? mutex_lock+0xb2/0x1e0 [ 357.186435][ T3397] ? mutex_trylock+0x180/0x180 [ 357.191369][ T3397] ? __fdget_pos+0x26d/0x310 [ 357.196220][ T3397] ? ksys_write+0x77/0x2c0 [ 357.200720][ T3397] ksys_write+0x198/0x2c0 [ 357.205040][ T3397] ? __kasan_check_write+0x14/0x20 [ 357.210355][ T3397] ? __ia32_sys_read+0x90/0x90 [ 357.215137][ T3397] ? debug_smp_processor_id+0x17/0x20 [ 357.220537][ T3397] __x64_sys_write+0x7b/0x90 [ 357.225262][ T3397] do_syscall_64+0x34/0x70 [ 357.229773][ T3397] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 357.236039][ T3397] RIP: 0033:0x7f6ebe0d0b5f [ 357.240446][ T3397] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 357.260298][ T3397] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 357.268983][ T3397] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 357.278306][ T3397] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 357.286290][ T3397] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 357.294428][ T3397] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 357.302568][ T3397] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 357.310874][ T3412] CPU: 1 PID: 3412 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 357.316506][ T3415] FAULT_INJECTION: forcing a failure. [ 357.316506][ T3415] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 357.321455][ T3412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 357.344924][ T3412] Call Trace: [ 357.348560][ T3412] dump_stack_lvl+0x1e2/0x24b [ 357.353962][ T3412] ? bfq_pos_tree_add_move+0x43e/0x43e [ 357.359859][ T3412] ? vsnprintf+0x1fa/0x1cd0 [ 357.364636][ T3412] dump_stack+0x15/0x17 [ 357.369042][ T3412] should_fail+0x3c0/0x510 [ 357.373530][ T3412] should_fail_usercopy+0x1a/0x20 [ 357.378707][ T3412] _copy_from_user+0x20/0xd0 [ 357.383284][ T3412] kstrtouint_from_user+0xd7/0x2b0 [ 357.388376][ T3412] ? kstrtol_from_user+0x310/0x310 [ 357.393562][ T3412] ? snprintf+0xd6/0x120 [ 357.397798][ T3412] ? avc_policy_seqno+0x1b/0x70 [ 357.402630][ T3412] ? selinux_file_permission+0x2a9/0x520 [ 357.408434][ T3412] proc_fail_nth_write+0xa5/0x290 [ 357.413437][ T3412] ? security_file_permission+0x9d/0xc0 [ 357.419140][ T3412] ? proc_fail_nth_read+0x220/0x220 [ 357.424557][ T3412] ? security_file_permission+0xa8/0xc0 [ 357.430368][ T3412] ? rw_verify_area+0x1c2/0x360 [ 357.435509][ T3412] ? proc_fail_nth_read+0x220/0x220 [ 357.440966][ T3412] vfs_write+0x39b/0xf80 [ 357.445240][ T3412] ? kernel_write+0x420/0x420 [ 357.449904][ T3412] ? __kasan_check_write+0x14/0x20 [ 357.455212][ T3412] ? mutex_lock+0xb2/0x1e0 [ 357.459618][ T3412] ? mutex_trylock+0x180/0x180 [ 357.464475][ T3412] ? __fdget_pos+0x26d/0x310 [ 357.469047][ T3412] ? ksys_write+0x77/0x2c0 [ 357.473569][ T3412] ksys_write+0x198/0x2c0 [ 357.478069][ T3412] ? __ia32_sys_read+0x90/0x90 [ 357.483041][ T3412] ? debug_smp_processor_id+0x17/0x20 [ 357.488396][ T3412] __x64_sys_write+0x7b/0x90 [ 357.493250][ T3412] do_syscall_64+0x34/0x70 [ 357.497890][ T3412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 357.503945][ T3412] RIP: 0033:0x7f869ba6eb5f [ 357.508353][ T3412] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 357.528315][ T3412] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 357.536912][ T3412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 357.545042][ T3412] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 357.553082][ T3412] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 357.561314][ T3412] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 357.569355][ T3412] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 357.577321][ T3415] CPU: 0 PID: 3415 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 357.587737][ T3415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 357.598137][ T3415] Call Trace: [ 357.601592][ T3415] dump_stack_lvl+0x1e2/0x24b [ 357.606338][ T3415] ? bfq_pos_tree_add_move+0x43e/0x43e [ 357.611965][ T3415] ? vsnprintf+0x1fa/0x1cd0 [ 357.616811][ T3415] dump_stack+0x15/0x17 [ 357.621042][ T3415] should_fail+0x3c0/0x510 [ 357.625615][ T3415] should_fail_usercopy+0x1a/0x20 [ 357.630707][ T3415] _copy_from_user+0x20/0xd0 [ 357.635410][ T3415] kstrtouint_from_user+0xd7/0x2b0 [ 357.640588][ T3415] ? kstrtol_from_user+0x310/0x310 [ 357.645681][ T3415] ? snprintf+0xd6/0x120 [ 357.649992][ T3415] ? avc_policy_seqno+0x1b/0x70 [ 357.654859][ T3415] ? selinux_file_permission+0x2a9/0x520 [ 357.660655][ T3415] proc_fail_nth_write+0xa5/0x290 [ 357.665669][ T3415] ? security_file_permission+0x9d/0xc0 [ 357.671377][ T3415] ? proc_fail_nth_read+0x220/0x220 [ 357.676576][ T3415] ? security_file_permission+0xa8/0xc0 [ 357.682195][ T3415] ? rw_verify_area+0x1c2/0x360 [ 357.687031][ T3415] ? proc_fail_nth_read+0x220/0x220 [ 357.692211][ T3415] vfs_write+0x39b/0xf80 [ 357.696464][ T3415] ? kernel_write+0x420/0x420 [ 357.701124][ T3415] ? __kasan_check_write+0x14/0x20 [ 357.706217][ T3415] ? mutex_lock+0xb2/0x1e0 [ 357.710708][ T3415] ? mutex_trylock+0x180/0x180 [ 357.715571][ T3415] ? __fdget_pos+0x26d/0x310 [ 357.720318][ T3415] ? ksys_write+0x77/0x2c0 [ 357.724909][ T3415] ksys_write+0x198/0x2c0 [ 357.729250][ T3415] ? __ia32_sys_read+0x90/0x90 [ 357.733996][ T3415] ? debug_smp_processor_id+0x17/0x20 [ 357.739533][ T3415] __x64_sys_write+0x7b/0x90 [ 357.744207][ T3415] do_syscall_64+0x34/0x70 [ 357.748667][ T3415] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 357.755681][ T3415] RIP: 0033:0x7f7d1c31ab5f [ 357.760095][ T3415] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 357.780677][ T3415] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 357.789412][ T3415] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 357.797513][ T3415] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 357.806098][ T3415] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 357.814309][ T3415] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 357.822815][ T3415] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 357.833474][ T3411] CPU: 1 PID: 3411 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 357.833496][ T3418] FAULT_INJECTION: forcing a failure. [ 357.833496][ T3418] name failslab, interval 1, probability 0, space 0, times 0 [ 357.843882][ T3411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 357.843887][ T3411] Call Trace: [ 357.843903][ T3411] dump_stack_lvl+0x1e2/0x24b [ 357.843914][ T3411] ? bfq_pos_tree_add_move+0x43e/0x43e [ 357.843923][ T3411] ? vsnprintf+0x1fa/0x1cd0 [ 357.843934][ T3411] dump_stack+0x15/0x17 [ 357.843943][ T3411] should_fail+0x3c0/0x510 [ 357.843953][ T3411] should_fail_usercopy+0x1a/0x20 [ 357.843963][ T3411] _copy_from_user+0x20/0xd0 [ 357.843973][ T3411] kstrtouint_from_user+0xd7/0x2b0 [ 357.843983][ T3411] ? kstrtol_from_user+0x310/0x310 [ 357.843999][ T3411] ? snprintf+0xd6/0x120 [ 357.918685][ T3411] ? avc_policy_seqno+0x1b/0x70 [ 357.923691][ T3411] ? selinux_file_permission+0x2a9/0x520 [ 357.929395][ T3411] proc_fail_nth_write+0xa5/0x290 [ 357.934505][ T3411] ? security_file_permission+0x9d/0xc0 [ 357.940030][ T3411] ? proc_fail_nth_read+0x220/0x220 [ 357.945308][ T3411] ? security_file_permission+0xa8/0xc0 [ 357.951130][ T3411] ? rw_verify_area+0x1c2/0x360 [ 357.956075][ T3411] ? proc_fail_nth_read+0x220/0x220 [ 357.961430][ T3411] vfs_write+0x39b/0xf80 [ 357.965743][ T3411] ? kernel_write+0x420/0x420 [ 357.970428][ T3411] ? __kasan_check_write+0x14/0x20 [ 357.975615][ T3411] ? mutex_lock+0xb2/0x1e0 [ 357.980107][ T3411] ? mutex_trylock+0x180/0x180 [ 357.984888][ T3411] ? __fdget_pos+0x26d/0x310 [ 357.989752][ T3411] ? ksys_write+0x77/0x2c0 [ 357.994169][ T3411] ksys_write+0x198/0x2c0 [ 357.998490][ T3411] ? __ia32_sys_read+0x90/0x90 [ 358.003672][ T3411] ? debug_smp_processor_id+0x17/0x20 [ 358.009111][ T3411] __x64_sys_write+0x7b/0x90 [ 358.013681][ T3411] do_syscall_64+0x34/0x70 [ 358.018182][ T3411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 358.024071][ T3411] RIP: 0033:0x7faa22393b5f [ 358.028476][ T3411] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 358.048335][ T3411] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 358.056844][ T3411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 358.064889][ T3411] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 358.073137][ T3411] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 358.081280][ T3411] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 358.089241][ T3411] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 358.097465][ T3418] CPU: 0 PID: 3418 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 358.108158][ T3418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 358.118885][ T3418] Call Trace: [ 358.122258][ T3418] dump_stack_lvl+0x1e2/0x24b [ 358.127022][ T3418] ? panic+0x7d7/0x7d7 [ 358.131081][ T3418] ? bfq_pos_tree_add_move+0x43e/0x43e [ 358.136611][ T3418] ? find_next_bit+0xd6/0x120 [ 358.141270][ T3418] ? cpumask_next+0x11/0x30 [ 358.146281][ T3418] dump_stack+0x15/0x17 [ 358.151244][ T3418] should_fail+0x3c0/0x510 [ 358.156384][ T3418] ? percpu_ref_init+0xd0/0x340 [ 358.161459][ T3418] __should_failslab+0x9f/0xe0 [ 358.166291][ T3418] should_failslab+0x9/0x20 [ 358.170890][ T3418] kmem_cache_alloc_trace+0x3a/0x330 [ 358.176501][ T3418] percpu_ref_init+0xd0/0x340 [ 358.181180][ T3418] ? cgroup_setup_root+0xea0/0xea0 [ 358.186528][ T3418] cgroup_apply_control_enable+0x3a2/0x12f0 [ 358.192525][ T3418] ? cgroup_reconfigure+0xe0/0xe0 [ 358.197552][ T3418] cgroup_apply_control+0x8e/0x7e0 [ 358.202642][ T3418] ? css_next_child+0x160/0x160 [ 358.207468][ T3418] ? io_schedule+0x120/0x120 [ 358.212229][ T3418] ? kernfs_fop_write_iter+0x15e/0x410 [ 358.217941][ T3418] ? __kasan_check_write+0x14/0x20 [ 358.223217][ T3418] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 358.228478][ T3418] cgroup_subtree_control_write+0xd19/0x1310 [ 358.234597][ T3418] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 358.240551][ T3418] ? __kasan_check_write+0x14/0x20 [ 358.245736][ T3418] ? _copy_from_iter+0x3fb/0xd60 [ 358.250663][ T3418] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 358.256641][ T3418] cgroup_file_write+0x28e/0x590 [ 358.261614][ T3418] ? cgroup_seqfile_stop+0xc0/0xc0 [ 358.266807][ T3418] ? mutex_trylock+0x180/0x180 [ 358.271544][ T3418] ? __kasan_check_write+0x14/0x20 [ 358.276647][ T3418] kernfs_fop_write_iter+0x2d0/0x410 [ 358.282084][ T3418] ? cgroup_seqfile_stop+0xc0/0xc0 [ 358.287369][ T3418] vfs_write+0xc4a/0xf80 [ 358.291702][ T3418] ? kernel_write+0x420/0x420 [ 358.296481][ T3418] ? mutex_lock+0xb2/0x1e0 [ 358.300896][ T3418] ? mutex_trylock+0x180/0x180 [ 358.306086][ T3418] ? __fdget_pos+0x26d/0x310 [ 358.310736][ T3418] ? ksys_write+0x77/0x2c0 [ 358.315130][ T3418] ksys_write+0x198/0x2c0 [ 358.319528][ T3418] ? __ia32_sys_read+0x90/0x90 [ 358.324267][ T3418] ? debug_smp_processor_id+0x17/0x20 [ 358.329712][ T3418] __x64_sys_write+0x7b/0x90 [ 358.334287][ T3418] do_syscall_64+0x34/0x70 [ 358.339896][ T3418] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 358.345761][ T3418] RIP: 0033:0x7f85191c4049 [ 358.350154][ T3418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 358.370288][ T3418] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 358.379128][ T3418] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 358.387367][ T3418] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 358.395674][ T3418] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 358.403720][ T3418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 358.411709][ T3418] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 358.421585][ T3413] CPU: 0 PID: 3413 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 358.431917][ T3413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 358.437203][ T3421] FAULT_INJECTION: forcing a failure. [ 358.437203][ T3421] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 358.442339][ T3413] Call Trace: [ 358.442357][ T3413] dump_stack_lvl+0x1e2/0x24b [ 358.442375][ T3413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 358.455776][ T3419] FAULT_INJECTION: forcing a failure. [ 358.455776][ T3419] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 358.458711][ T3413] ? vsnprintf+0x1fa/0x1cd0 [ 358.458731][ T3413] dump_stack+0x15/0x17 [ 358.490692][ T3413] should_fail+0x3c0/0x510 [ 358.495195][ T3413] should_fail_usercopy+0x1a/0x20 [ 358.500241][ T3413] _copy_from_user+0x20/0xd0 [ 358.504931][ T3413] kstrtouint_from_user+0xd7/0x2b0 [ 358.510035][ T3413] ? kstrtol_from_user+0x310/0x310 [ 358.515134][ T3413] ? snprintf+0xd6/0x120 [ 358.519489][ T3413] ? avc_policy_seqno+0x1b/0x70 [ 358.524449][ T3413] ? selinux_file_permission+0x2a9/0x520 2022/08/30 17:01:39 executed programs: 1349 [ 358.530109][ T3413] proc_fail_nth_write+0xa5/0x290 [ 358.535228][ T3413] ? security_file_permission+0x9d/0xc0 [ 358.540872][ T3413] ? proc_fail_nth_read+0x220/0x220 [ 358.546156][ T3413] ? security_file_permission+0xa8/0xc0 [ 358.551877][ T3413] ? rw_verify_area+0x1c2/0x360 [ 358.556897][ T3413] ? proc_fail_nth_read+0x220/0x220 [ 358.562271][ T3413] vfs_write+0x39b/0xf80 [ 358.566497][ T3413] ? kernel_write+0x420/0x420 [ 358.571252][ T3413] ? __kasan_check_write+0x14/0x20 [ 358.576496][ T3413] ? mutex_lock+0xb2/0x1e0 [ 358.581026][ T3413] ? mutex_trylock+0x180/0x180 [ 358.585780][ T3413] ? __fdget_pos+0x26d/0x310 [ 358.590531][ T3413] ? ksys_write+0x77/0x2c0 [ 358.594968][ T3413] ksys_write+0x198/0x2c0 [ 358.598850][ T3425] FAULT_INJECTION: forcing a failure. [ 358.598850][ T3425] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 358.599375][ T3413] ? __ia32_sys_read+0x90/0x90 [ 358.617477][ T3413] ? debug_smp_processor_id+0x17/0x20 [ 358.623148][ T3413] __x64_sys_write+0x7b/0x90 [ 358.627901][ T3413] do_syscall_64+0x34/0x70 [ 358.632312][ T3413] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 358.638385][ T3413] RIP: 0033:0x7f022ab05b5f [ 358.643154][ T3413] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 358.665450][ T3413] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 358.674380][ T3413] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 358.683130][ T3413] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 358.691174][ T3413] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 358.699315][ T3413] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 358.707294][ T3413] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 358.715347][ T3419] CPU: 1 PID: 3419 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 358.720623][ T3428] FAULT_INJECTION: forcing a failure. [ 358.720623][ T3428] name failslab, interval 1, probability 0, space 0, times 0 [ 358.725746][ T3419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 358.725750][ T3419] Call Trace: [ 358.725768][ T3419] dump_stack_lvl+0x1e2/0x24b [ 358.725778][ T3419] ? bfq_pos_tree_add_move+0x43e/0x43e [ 358.725796][ T3419] ? vsnprintf+0x1fa/0x1cd0 [ 358.766975][ T3419] dump_stack+0x15/0x17 [ 358.771140][ T3419] should_fail+0x3c0/0x510 [ 358.776922][ T3419] should_fail_usercopy+0x1a/0x20 [ 358.781924][ T3419] _copy_from_user+0x20/0xd0 [ 358.786494][ T3419] kstrtouint_from_user+0xd7/0x2b0 [ 358.791892][ T3419] ? kstrtol_from_user+0x310/0x310 [ 358.796979][ T3419] ? snprintf+0xd6/0x120 [ 358.801636][ T3419] ? avc_policy_seqno+0x1b/0x70 [ 358.806464][ T3419] ? selinux_file_permission+0x2a9/0x520 [ 358.812090][ T3419] proc_fail_nth_write+0xa5/0x290 [ 358.817341][ T3419] ? security_file_permission+0x9d/0xc0 [ 358.823095][ T3419] ? proc_fail_nth_read+0x220/0x220 [ 358.828388][ T3419] ? security_file_permission+0xa8/0xc0 [ 358.834025][ T3419] ? rw_verify_area+0x1c2/0x360 [ 358.838975][ T3419] ? proc_fail_nth_read+0x220/0x220 [ 358.844895][ T3419] vfs_write+0x39b/0xf80 [ 358.849207][ T3419] ? kernel_write+0x420/0x420 [ 358.853874][ T3419] ? __kasan_check_write+0x14/0x20 [ 358.860739][ T3419] ? mutex_lock+0xb2/0x1e0 [ 358.865234][ T3419] ? mutex_trylock+0x180/0x180 [ 358.870102][ T3419] ? __fdget_pos+0x26d/0x310 [ 358.875808][ T3419] ? ksys_write+0x77/0x2c0 [ 358.880494][ T3419] ksys_write+0x198/0x2c0 [ 358.885114][ T3419] ? __kasan_check_write+0x14/0x20 [ 358.890444][ T3419] ? __ia32_sys_read+0x90/0x90 [ 358.895305][ T3419] ? debug_smp_processor_id+0x17/0x20 [ 358.900847][ T3419] __x64_sys_write+0x7b/0x90 [ 358.906392][ T3419] do_syscall_64+0x34/0x70 [ 358.910791][ T3419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 358.916960][ T3419] RIP: 0033:0x7f6ebe0d0b5f [ 358.921363][ T3419] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 358.943087][ T3419] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 358.951598][ T3419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 358.960036][ T3419] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 358.968487][ T3419] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 358.976450][ T3419] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 358.984662][ T3419] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 358.993068][ T3428] CPU: 0 PID: 3428 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 359.003385][ T3428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 359.013522][ T3428] Call Trace: [ 359.016919][ T3428] dump_stack_lvl+0x1e2/0x24b [ 359.021930][ T3428] ? panic+0x7d7/0x7d7 [ 359.025978][ T3428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 359.031410][ T3428] ? find_next_bit+0xd6/0x120 [ 359.036059][ T3428] ? cpumask_next+0x11/0x30 [ 359.040535][ T3428] dump_stack+0x15/0x17 [ 359.044762][ T3428] should_fail+0x3c0/0x510 [ 359.049241][ T3428] ? percpu_ref_init+0xd0/0x340 [ 359.054156][ T3428] __should_failslab+0x9f/0xe0 [ 359.058895][ T3428] should_failslab+0x9/0x20 [ 359.063372][ T3428] kmem_cache_alloc_trace+0x3a/0x330 [ 359.068640][ T3428] percpu_ref_init+0xd0/0x340 [ 359.073378][ T3428] ? cgroup_setup_root+0xea0/0xea0 [ 359.078463][ T3428] cgroup_apply_control_enable+0x3a2/0x12f0 [ 359.084343][ T3428] ? cgroup_reconfigure+0xe0/0xe0 [ 359.089541][ T3428] cgroup_apply_control+0x8e/0x7e0 [ 359.094722][ T3428] ? css_next_child+0x160/0x160 [ 359.101893][ T3428] ? io_schedule+0x120/0x120 [ 359.107775][ T3428] ? kernfs_fop_write_iter+0x15e/0x410 [ 359.113210][ T3428] ? __kasan_check_write+0x14/0x20 [ 359.118313][ T3428] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 359.123678][ T3428] cgroup_subtree_control_write+0xd19/0x1310 [ 359.131291][ T3428] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 359.137429][ T3428] ? __kasan_check_write+0x14/0x20 [ 359.142614][ T3428] ? _copy_from_iter+0x3fb/0xd60 [ 359.147800][ T3428] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 359.153899][ T3428] cgroup_file_write+0x28e/0x590 [ 359.158901][ T3428] ? cgroup_seqfile_stop+0xc0/0xc0 [ 359.163990][ T3428] ? mutex_trylock+0x180/0x180 [ 359.168734][ T3428] ? __kasan_check_write+0x14/0x20 [ 359.174106][ T3428] kernfs_fop_write_iter+0x2d0/0x410 [ 359.180189][ T3428] ? cgroup_seqfile_stop+0xc0/0xc0 [ 359.185397][ T3428] vfs_write+0xc4a/0xf80 [ 359.189795][ T3428] ? kernel_write+0x420/0x420 [ 359.194739][ T3428] ? mutex_lock+0xb2/0x1e0 [ 359.199149][ T3428] ? mutex_trylock+0x180/0x180 [ 359.204099][ T3428] ? __fdget_pos+0x26d/0x310 [ 359.208849][ T3428] ? ksys_write+0x77/0x2c0 [ 359.213344][ T3428] ksys_write+0x198/0x2c0 [ 359.217650][ T3428] ? __ia32_sys_read+0x90/0x90 [ 359.222478][ T3428] ? debug_smp_processor_id+0x17/0x20 [ 359.227826][ T3428] __x64_sys_write+0x7b/0x90 [ 359.232490][ T3428] do_syscall_64+0x34/0x70 [ 359.237182][ T3428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 359.243328][ T3428] RIP: 0033:0x7f85191c4049 [ 359.248361][ T3428] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 359.269244][ T3428] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 359.278080][ T3428] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 359.286234][ T3428] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 359.294215][ T3428] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 359.302370][ T3428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 359.310319][ T3428] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 359.321621][ T3421] CPU: 0 PID: 3421 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 359.332064][ T3421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 359.342195][ T3421] Call Trace: [ 359.345652][ T3421] dump_stack_lvl+0x1e2/0x24b [ 359.350342][ T3421] ? bfq_pos_tree_add_move+0x43e/0x43e [ 359.356066][ T3421] ? vsnprintf+0x1fa/0x1cd0 [ 359.360639][ T3421] dump_stack+0x15/0x17 [ 359.364793][ T3421] should_fail+0x3c0/0x510 [ 359.369187][ T3421] should_fail_usercopy+0x1a/0x20 [ 359.374197][ T3421] _copy_from_user+0x20/0xd0 [ 359.378783][ T3421] kstrtouint_from_user+0xd7/0x2b0 [ 359.384136][ T3421] ? kstrtol_from_user+0x310/0x310 [ 359.389313][ T3421] ? snprintf+0xd6/0x120 [ 359.393809][ T3421] ? avc_policy_seqno+0x1b/0x70 [ 359.398639][ T3421] ? selinux_file_permission+0x2a9/0x520 [ 359.404247][ T3421] proc_fail_nth_write+0xa5/0x290 [ 359.409520][ T3421] ? security_file_permission+0x9d/0xc0 [ 359.415584][ T3421] ? proc_fail_nth_read+0x220/0x220 [ 359.420858][ T3421] ? security_file_permission+0xa8/0xc0 [ 359.426399][ T3421] ? rw_verify_area+0x1c2/0x360 [ 359.431224][ T3421] ? proc_fail_nth_read+0x220/0x220 [ 359.436479][ T3421] vfs_write+0x39b/0xf80 [ 359.440871][ T3421] ? kernel_write+0x420/0x420 [ 359.445675][ T3421] ? __kasan_check_write+0x14/0x20 [ 359.450762][ T3421] ? mutex_lock+0xb2/0x1e0 [ 359.455504][ T3421] ? mutex_trylock+0x180/0x180 [ 359.460245][ T3421] ? __fdget_pos+0x26d/0x310 [ 359.464984][ T3421] ? ksys_write+0x77/0x2c0 [ 359.469565][ T3421] ksys_write+0x198/0x2c0 [ 359.473960][ T3421] ? __ia32_sys_read+0x90/0x90 [ 359.478880][ T3421] ? debug_smp_processor_id+0x17/0x20 [ 359.484321][ T3421] __x64_sys_write+0x7b/0x90 [ 359.489146][ T3421] do_syscall_64+0x34/0x70 [ 359.493539][ T3421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 359.499593][ T3421] RIP: 0033:0x7f7d1c31ab5f [ 359.504437][ T3421] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 359.524816][ T3421] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 359.533656][ T3421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 359.543321][ T3421] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 359.551830][ T3421] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 359.560090][ T3421] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 359.568403][ T3421] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 359.576693][ T3425] CPU: 0 PID: 3425 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 359.577848][ T3430] FAULT_INJECTION: forcing a failure. [ 359.577848][ T3430] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 359.587293][ T3425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 359.587298][ T3425] Call Trace: [ 359.587316][ T3425] dump_stack_lvl+0x1e2/0x24b [ 359.587326][ T3425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 359.587336][ T3425] ? vsnprintf+0x1fa/0x1cd0 [ 359.587345][ T3425] dump_stack+0x15/0x17 [ 359.587354][ T3425] should_fail+0x3c0/0x510 [ 359.587362][ T3425] should_fail_usercopy+0x1a/0x20 [ 359.587371][ T3425] _copy_from_user+0x20/0xd0 [ 359.587381][ T3425] kstrtouint_from_user+0xd7/0x2b0 [ 359.587391][ T3425] ? kstrtol_from_user+0x310/0x310 [ 359.587399][ T3425] ? snprintf+0xd6/0x120 [ 359.587419][ T3425] ? avc_policy_seqno+0x1b/0x70 [ 359.601397][ T3427] FAULT_INJECTION: forcing a failure. [ 359.601397][ T3427] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 359.611380][ T3425] ? selinux_file_permission+0x2a9/0x520 [ 359.611391][ T3425] proc_fail_nth_write+0xa5/0x290 [ 359.611401][ T3425] ? security_file_permission+0x9d/0xc0 [ 359.611409][ T3425] ? proc_fail_nth_read+0x220/0x220 [ 359.611417][ T3425] ? security_file_permission+0xa8/0xc0 [ 359.611427][ T3425] ? rw_verify_area+0x1c2/0x360 [ 359.611445][ T3425] ? proc_fail_nth_read+0x220/0x220 [ 359.721982][ T3425] vfs_write+0x39b/0xf80 [ 359.726217][ T3425] ? kernel_write+0x420/0x420 [ 359.730886][ T3425] ? __kasan_check_write+0x14/0x20 [ 359.735978][ T3425] ? mutex_lock+0xb2/0x1e0 [ 359.740375][ T3425] ? mutex_trylock+0x180/0x180 [ 359.745160][ T3425] ? __fdget_pos+0x26d/0x310 [ 359.749907][ T3425] ? ksys_write+0x77/0x2c0 [ 359.754605][ T3425] ksys_write+0x198/0x2c0 [ 359.759011][ T3425] ? __ia32_sys_read+0x90/0x90 [ 359.763759][ T3425] ? debug_smp_processor_id+0x17/0x20 [ 359.769133][ T3425] __x64_sys_write+0x7b/0x90 [ 359.773824][ T3425] do_syscall_64+0x34/0x70 [ 359.779127][ T3425] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 359.785009][ T3425] RIP: 0033:0x7faa22393b5f [ 359.789412][ T3425] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 359.809608][ T3425] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 359.818098][ T3425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 359.826406][ T3425] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 359.836783][ T3425] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 359.845660][ T3425] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 359.854055][ T3425] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 359.865195][ T3430] CPU: 0 PID: 3430 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 359.868686][ T3433] FAULT_INJECTION: forcing a failure. [ 359.868686][ T3433] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 359.875866][ T3430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 359.875871][ T3430] Call Trace: [ 359.875889][ T3430] dump_stack_lvl+0x1e2/0x24b [ 359.875900][ T3430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 359.875910][ T3430] ? vsnprintf+0x1fa/0x1cd0 [ 359.875920][ T3430] dump_stack+0x15/0x17 [ 359.875937][ T3430] should_fail+0x3c0/0x510 [ 359.919816][ T3437] FAULT_INJECTION: forcing a failure. [ 359.919816][ T3437] name failslab, interval 1, probability 0, space 0, times 0 [ 359.922230][ T3430] should_fail_usercopy+0x1a/0x20 [ 359.922248][ T3430] _copy_from_user+0x20/0xd0 [ 359.949167][ T3430] kstrtouint_from_user+0xd7/0x2b0 [ 359.954266][ T3430] ? kstrtol_from_user+0x310/0x310 [ 359.959365][ T3430] ? snprintf+0xd6/0x120 [ 359.963617][ T3430] ? avc_policy_seqno+0x1b/0x70 [ 359.968726][ T3430] ? selinux_file_permission+0x2a9/0x520 [ 359.974352][ T3430] proc_fail_nth_write+0xa5/0x290 [ 359.979377][ T3430] ? security_file_permission+0x9d/0xc0 [ 359.985296][ T3430] ? proc_fail_nth_read+0x220/0x220 [ 359.990651][ T3430] ? security_file_permission+0xa8/0xc0 [ 359.996287][ T3430] ? rw_verify_area+0x1c2/0x360 [ 360.001136][ T3430] ? proc_fail_nth_read+0x220/0x220 [ 360.006703][ T3430] vfs_write+0x39b/0xf80 [ 360.010937][ T3430] ? kernel_write+0x420/0x420 [ 360.015778][ T3430] ? __kasan_check_write+0x14/0x20 [ 360.020872][ T3430] ? mutex_lock+0xb2/0x1e0 [ 360.026065][ T3430] ? mutex_trylock+0x180/0x180 [ 360.031176][ T3430] ? __fdget_pos+0x26d/0x310 [ 360.036002][ T3430] ? ksys_write+0x77/0x2c0 [ 360.040677][ T3430] ksys_write+0x198/0x2c0 [ 360.045356][ T3430] ? __kasan_check_write+0x14/0x20 [ 360.050911][ T3430] ? __ia32_sys_read+0x90/0x90 [ 360.055961][ T3430] ? debug_smp_processor_id+0x17/0x20 [ 360.061412][ T3430] __x64_sys_write+0x7b/0x90 [ 360.066554][ T3430] do_syscall_64+0x34/0x70 [ 360.071143][ T3430] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 360.077119][ T3430] RIP: 0033:0x7f022ab05b5f [ 360.081633][ T3430] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 360.102258][ T3430] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 360.110818][ T3430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 360.119004][ T3430] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 360.127602][ T3430] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 360.136234][ T3430] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 360.145930][ T3430] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 360.154357][ T3433] CPU: 1 PID: 3433 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 360.164764][ T3433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 360.174951][ T3433] Call Trace: [ 360.178254][ T3433] dump_stack_lvl+0x1e2/0x24b [ 360.183022][ T3433] ? bfq_pos_tree_add_move+0x43e/0x43e [ 360.188567][ T3433] ? vsnprintf+0x1fa/0x1cd0 [ 360.193052][ T3433] dump_stack+0x15/0x17 [ 360.197277][ T3433] should_fail+0x3c0/0x510 [ 360.202025][ T3433] should_fail_usercopy+0x1a/0x20 [ 360.207385][ T3433] _copy_from_user+0x20/0xd0 [ 360.212053][ T3433] kstrtouint_from_user+0xd7/0x2b0 [ 360.217441][ T3433] ? kstrtol_from_user+0x310/0x310 [ 360.222628][ T3433] ? snprintf+0xd6/0x120 [ 360.226868][ T3433] ? avc_policy_seqno+0x1b/0x70 [ 360.231706][ T3433] ? selinux_file_permission+0x2a9/0x520 [ 360.237319][ T3433] proc_fail_nth_write+0xa5/0x290 [ 360.242501][ T3433] ? security_file_permission+0x9d/0xc0 [ 360.248291][ T3433] ? proc_fail_nth_read+0x220/0x220 [ 360.253551][ T3433] ? security_file_permission+0xa8/0xc0 [ 360.259251][ T3433] ? rw_verify_area+0x1c2/0x360 [ 360.264105][ T3433] ? proc_fail_nth_read+0x220/0x220 [ 360.269631][ T3433] vfs_write+0x39b/0xf80 [ 360.274032][ T3433] ? kernel_write+0x420/0x420 [ 360.278960][ T3433] ? __kasan_check_write+0x14/0x20 [ 360.284225][ T3433] ? mutex_lock+0xb2/0x1e0 [ 360.288659][ T3433] ? mutex_trylock+0x180/0x180 [ 360.293491][ T3433] ? __fdget_pos+0x26d/0x310 [ 360.298257][ T3433] ? ksys_write+0x77/0x2c0 [ 360.303771][ T3433] ksys_write+0x198/0x2c0 [ 360.308527][ T3433] ? __ia32_sys_read+0x90/0x90 [ 360.313278][ T3433] ? debug_smp_processor_id+0x17/0x20 [ 360.318805][ T3433] __x64_sys_write+0x7b/0x90 [ 360.323461][ T3433] do_syscall_64+0x34/0x70 [ 360.328141][ T3433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 360.334188][ T3433] RIP: 0033:0x7f6ebe0d0b5f [ 360.338760][ T3433] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 360.358607][ T3433] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 360.367735][ T3433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 360.376056][ T3433] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 360.384468][ T3433] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 360.394153][ T3433] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 360.402734][ T3433] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 360.410989][ T3427] CPU: 0 PID: 3427 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 360.421510][ T3427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 360.432599][ T3427] Call Trace: [ 360.436360][ T3427] dump_stack_lvl+0x1e2/0x24b [ 360.441215][ T3427] ? bfq_pos_tree_add_move+0x43e/0x43e [ 360.446945][ T3427] ? vsnprintf+0x1fa/0x1cd0 [ 360.451435][ T3427] dump_stack+0x15/0x17 [ 360.455593][ T3427] should_fail+0x3c0/0x510 [ 360.460479][ T3427] should_fail_usercopy+0x1a/0x20 [ 360.465669][ T3427] _copy_from_user+0x20/0xd0 [ 360.470278][ T3427] kstrtouint_from_user+0xd7/0x2b0 [ 360.476060][ T3427] ? kstrtol_from_user+0x310/0x310 [ 360.482754][ T3427] ? snprintf+0xd6/0x120 [ 360.487931][ T3427] ? avc_policy_seqno+0x1b/0x70 [ 360.493569][ T3427] ? selinux_file_permission+0x2a9/0x520 [ 360.499791][ T3427] proc_fail_nth_write+0xa5/0x290 [ 360.505159][ T3427] ? security_file_permission+0x9d/0xc0 [ 360.511056][ T3427] ? proc_fail_nth_read+0x220/0x220 [ 360.516257][ T3427] ? security_file_permission+0xa8/0xc0 [ 360.521989][ T3427] ? rw_verify_area+0x1c2/0x360 [ 360.526925][ T3427] ? proc_fail_nth_read+0x220/0x220 [ 360.532204][ T3427] vfs_write+0x39b/0xf80 [ 360.538342][ T3427] ? kernel_write+0x420/0x420 [ 360.543000][ T3427] ? __kasan_check_write+0x14/0x20 [ 360.548441][ T3427] ? mutex_lock+0xb2/0x1e0 [ 360.552853][ T3427] ? mutex_trylock+0x180/0x180 [ 360.557689][ T3427] ? __fdget_pos+0x26d/0x310 [ 360.562960][ T3427] ? ksys_write+0x77/0x2c0 [ 360.567441][ T3427] ksys_write+0x198/0x2c0 [ 360.571887][ T3427] ? __kasan_check_write+0x14/0x20 [ 360.576988][ T3427] ? __ia32_sys_read+0x90/0x90 [ 360.584987][ T3427] ? debug_smp_processor_id+0x17/0x20 [ 360.590447][ T3427] __x64_sys_write+0x7b/0x90 [ 360.595140][ T3427] do_syscall_64+0x34/0x70 [ 360.599643][ T3427] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 360.605518][ T3427] RIP: 0033:0x7f869ba6eb5f [ 360.609917][ T3427] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 360.630123][ T3427] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 360.638896][ T3427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 360.646963][ T3427] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 360.655039][ T3427] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 360.663258][ T3427] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 360.671489][ T3427] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 360.679803][ T3437] CPU: 1 PID: 3437 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 360.690402][ T3437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 360.700526][ T3437] Call Trace: [ 360.703891][ T3437] dump_stack_lvl+0x1e2/0x24b [ 360.708558][ T3437] ? panic+0x7d7/0x7d7 [ 360.712689][ T3437] ? bfq_pos_tree_add_move+0x43e/0x43e [ 360.718838][ T3437] ? find_next_bit+0xd6/0x120 [ 360.723587][ T3437] ? cpumask_next+0x11/0x30 [ 360.728411][ T3437] dump_stack+0x15/0x17 [ 360.732812][ T3437] should_fail+0x3c0/0x510 [ 360.737216][ T3437] ? percpu_ref_init+0xd0/0x340 [ 360.742547][ T3437] __should_failslab+0x9f/0xe0 [ 360.747384][ T3437] should_failslab+0x9/0x20 [ 360.752179][ T3437] kmem_cache_alloc_trace+0x3a/0x330 [ 360.757618][ T3437] percpu_ref_init+0xd0/0x340 [ 360.762297][ T3437] ? cgroup_setup_root+0xea0/0xea0 [ 360.768468][ T3437] cgroup_apply_control_enable+0x3a2/0x12f0 [ 360.774403][ T3437] ? cgroup_reconfigure+0xe0/0xe0 [ 360.779779][ T3437] cgroup_apply_control+0x8e/0x7e0 [ 360.785102][ T3437] ? css_next_child+0x160/0x160 [ 360.790190][ T3437] ? io_schedule+0x120/0x120 [ 360.795081][ T3437] ? kernfs_fop_write_iter+0x15e/0x410 [ 360.800704][ T3437] ? __kasan_check_write+0x14/0x20 [ 360.805815][ T3437] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 360.811791][ T3437] cgroup_subtree_control_write+0xd19/0x1310 [ 360.818017][ T3437] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 360.824242][ T3437] ? __kasan_check_write+0x14/0x20 [ 360.830135][ T3437] ? _copy_from_iter+0x3fb/0xd60 [ 360.835059][ T3437] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 360.841660][ T3437] cgroup_file_write+0x28e/0x590 [ 360.846955][ T3437] ? cgroup_seqfile_stop+0xc0/0xc0 [ 360.852221][ T3437] ? mutex_trylock+0x180/0x180 [ 360.857413][ T3437] ? __kasan_check_write+0x14/0x20 [ 360.862509][ T3437] kernfs_fop_write_iter+0x2d0/0x410 [ 360.867780][ T3437] ? cgroup_seqfile_stop+0xc0/0xc0 [ 360.872886][ T3437] vfs_write+0xc4a/0xf80 [ 360.877154][ T3437] ? kernel_write+0x420/0x420 [ 360.881904][ T3437] ? mutex_lock+0xb2/0x1e0 [ 360.886400][ T3437] ? mutex_trylock+0x180/0x180 [ 360.891357][ T3437] ? __fdget_pos+0x26d/0x310 [ 360.895973][ T3437] ? ksys_write+0x77/0x2c0 [ 360.900373][ T3437] ksys_write+0x198/0x2c0 [ 360.904681][ T3437] ? __ia32_sys_read+0x90/0x90 [ 360.909633][ T3437] ? debug_smp_processor_id+0x17/0x20 [ 360.915156][ T3437] __x64_sys_write+0x7b/0x90 [ 360.920001][ T3437] do_syscall_64+0x34/0x70 [ 360.924592][ T3437] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 360.930861][ T3437] RIP: 0033:0x7f85191c4049 [ 360.935443][ T3437] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 360.955034][ T3437] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 360.963733][ T3437] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 360.971769][ T3437] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 360.979823][ T3437] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 360.987792][ T3437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 360.995758][ T3437] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 361.005280][ T3438] FAULT_INJECTION: forcing a failure. [ 361.005280][ T3438] name fail_futex, interval 1, probability 0, space 0, times 0 [ 361.009675][ T3443] FAULT_INJECTION: forcing a failure. [ 361.009675][ T3443] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 361.023613][ T3438] CPU: 1 PID: 3438 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 361.042115][ T3438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 361.043698][ T3447] FAULT_INJECTION: forcing a failure. [ 361.043698][ T3447] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 361.052177][ T3438] Call Trace: [ 361.052196][ T3438] dump_stack_lvl+0x1e2/0x24b [ 361.052204][ T3438] ? panic+0x7d7/0x7d7 [ 361.052214][ T3438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 361.052223][ T3438] dump_stack+0x15/0x17 [ 361.052240][ T3438] should_fail+0x3c0/0x510 [ 361.072451][ T3449] FAULT_INJECTION: forcing a failure. [ 361.072451][ T3449] name failslab, interval 1, probability 0, space 0, times 0 [ 361.074871][ T3438] get_futex_key+0x1bf/0xb60 [ 361.074881][ T3438] ? futex_wait_restart+0x250/0x250 [ 361.074891][ T3438] futex_wake+0x1d5/0xd00 [ 361.074908][ T3438] ? futex_wait+0x930/0x930 [ 361.125219][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.130695][ T3438] ? __switch_to+0x5e4/0x1220 [ 361.135682][ T3438] ? native_set_ldt+0x360/0x360 [ 361.140630][ T3438] ? set_next_entity+0xc5/0x390 [ 361.145573][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.150672][ T3438] ? _raw_spin_lock+0xa3/0x1b0 [ 361.155435][ T3438] do_futex+0x13c7/0x3410 [ 361.159751][ T3438] ? futex_exit_release+0x1d0/0x1d0 [ 361.164948][ T3438] ? is_bpf_text_address+0x1a2/0x1c0 [ 361.170222][ T3438] ? is_module_text_address+0xe1/0x140 [ 361.175766][ T3438] ? stack_trace_save+0x1f0/0x1f0 [ 361.182092][ T3438] ? __kernel_text_address+0x9a/0x110 [ 361.187573][ T3438] ? unwind_get_return_address+0x4c/0x90 [ 361.193273][ T3438] ? arch_stack_walk+0xf8/0x140 [ 361.198113][ T3438] ? stack_trace_save+0x12d/0x1f0 [ 361.203125][ T3438] ? stack_trace_snprint+0x100/0x100 [ 361.208410][ T3438] ? stack_trace_save+0x12d/0x1f0 [ 361.213433][ T3438] ? stack_trace_snprint+0x100/0x100 [ 361.218979][ T3438] ? kasan_save_stack+0x4d/0x60 [ 361.223813][ T3438] ? kasan_save_stack+0x36/0x60 [ 361.228754][ T3438] ? kasan_record_aux_stack+0xca/0xf0 [ 361.234496][ T3438] ? call_rcu+0x140/0x1300 [ 361.238900][ T3438] ? __fput+0x5fb/0x7c0 [ 361.243049][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.248153][ T3438] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 361.253863][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.258962][ T3438] ? rt_mutex_unlock+0xe0/0x350 [ 361.263931][ T3438] ? uprobe_free_utask+0x82/0x160 [ 361.269059][ T3438] mm_release+0x1d2/0x320 [ 361.273470][ T3438] ? exit_mm_release+0x30/0x30 [ 361.278218][ T3438] ? futex_exit_release+0x11f/0x1d0 [ 361.283710][ T3438] exit_mm_release+0x25/0x30 [ 361.288284][ T3438] exit_mm+0xb6/0x790 [ 361.292254][ T3438] ? __delayacct_add_tsk+0x68d/0x720 [ 361.297702][ T3438] ? do_exit+0x2340/0x2340 [ 361.302212][ T3438] ? taskstats_exit+0x47d/0xba0 [ 361.307326][ T3438] ? mm_trace_rss_stat+0x3f/0x140 [ 361.312556][ T3438] do_exit+0x5f2/0x2340 [ 361.317060][ T3438] ? get_task_struct+0x80/0x80 [ 361.321930][ T3438] ? __fput+0x5fb/0x7c0 [ 361.326093][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.331238][ T3438] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 361.336517][ T3438] do_group_exit+0x13a/0x300 [ 361.341788][ T3438] ? __kasan_check_write+0x14/0x20 [ 361.346983][ T3438] get_signal+0xe17/0x1440 [ 361.351398][ T3438] ? task_work_add+0x1b3/0x320 [ 361.356249][ T3438] arch_do_signal+0x8e/0x650 [ 361.360825][ T3438] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 361.366442][ T3438] ? ksys_write+0x25f/0x2c0 [ 361.371123][ T3438] exit_to_user_mode_loop+0xa3/0xe0 [ 361.376329][ T3438] syscall_exit_to_user_mode+0x77/0xa0 [ 361.381967][ T3438] do_syscall_64+0x40/0x70 [ 361.386562][ T3438] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 361.392444][ T3438] RIP: 0033:0x7f7d1c368049 [ 361.396853][ T3438] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 361.416974][ T3438] RSP: 002b:00007f7d1c2bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 361.425461][ T3438] RAX: 0000000000000006 RBX: 00007f7d1c47b030 RCX: 00007f7d1c368049 [ 361.433596][ T3438] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 361.441667][ T3438] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 361.449820][ T3438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 361.458038][ T3438] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 361.466003][ T3449] CPU: 0 PID: 3449 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 361.476514][ T3449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 361.486822][ T3449] Call Trace: [ 361.490122][ T3449] dump_stack_lvl+0x1e2/0x24b [ 361.495191][ T3449] ? panic+0x7d7/0x7d7 [ 361.499331][ T3449] ? bfq_pos_tree_add_move+0x43e/0x43e [ 361.505055][ T3449] ? find_next_bit+0xd6/0x120 [ 361.510008][ T3449] ? cpumask_next+0x11/0x30 [ 361.515213][ T3449] dump_stack+0x15/0x17 [ 361.519456][ T3449] should_fail+0x3c0/0x510 [ 361.523878][ T3449] ? percpu_ref_init+0xd0/0x340 [ 361.528908][ T3449] __should_failslab+0x9f/0xe0 [ 361.533665][ T3449] should_failslab+0x9/0x20 [ 361.538241][ T3449] kmem_cache_alloc_trace+0x3a/0x330 [ 361.543881][ T3449] percpu_ref_init+0xd0/0x340 [ 361.548559][ T3449] ? cgroup_setup_root+0xea0/0xea0 [ 361.554006][ T3449] cgroup_apply_control_enable+0x3a2/0x12f0 [ 361.559894][ T3449] ? cgroup_reconfigure+0xe0/0xe0 [ 361.565262][ T3449] cgroup_apply_control+0x8e/0x7e0 [ 361.570392][ T3449] ? css_next_child+0x160/0x160 [ 361.575232][ T3449] ? io_schedule+0x120/0x120 [ 361.580026][ T3449] ? kernfs_fop_write_iter+0x15e/0x410 [ 361.585497][ T3449] ? __kasan_check_write+0x14/0x20 [ 361.590863][ T3449] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 361.596664][ T3449] cgroup_subtree_control_write+0xd19/0x1310 [ 361.602644][ T3449] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 361.608695][ T3449] ? __kasan_check_write+0x14/0x20 [ 361.613890][ T3449] ? _copy_from_iter+0x3fb/0xd60 [ 361.618810][ T3449] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 361.624777][ T3449] cgroup_file_write+0x28e/0x590 [ 361.629890][ T3449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 361.635071][ T3449] ? mutex_trylock+0x180/0x180 [ 361.640022][ T3449] ? __kasan_check_write+0x14/0x20 [ 361.645315][ T3449] kernfs_fop_write_iter+0x2d0/0x410 [ 361.650585][ T3449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 361.655972][ T3449] vfs_write+0xc4a/0xf80 [ 361.660462][ T3449] ? kernel_write+0x420/0x420 [ 361.665644][ T3449] ? mutex_lock+0xb2/0x1e0 [ 361.670041][ T3449] ? mutex_trylock+0x180/0x180 [ 361.674963][ T3449] ? __fdget_pos+0x26d/0x310 [ 361.679709][ T3449] ? ksys_write+0x77/0x2c0 [ 361.684106][ T3449] ksys_write+0x198/0x2c0 [ 361.688699][ T3449] ? __ia32_sys_read+0x90/0x90 [ 361.693444][ T3449] ? debug_smp_processor_id+0x17/0x20 [ 361.699148][ T3449] __x64_sys_write+0x7b/0x90 [ 361.703721][ T3449] do_syscall_64+0x34/0x70 [ 361.708414][ T3449] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 361.714823][ T3449] RIP: 0033:0x7f85191c4049 [ 361.719773][ T3449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 361.741647][ T3449] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 361.750232][ T3449] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 361.758363][ T3449] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 361.766601][ T3449] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 361.774671][ T3449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 361.783081][ T3449] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 361.791322][ T3443] CPU: 1 PID: 3443 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 361.797067][ T3451] FAULT_INJECTION: forcing a failure. [ 361.797067][ T3451] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 361.802001][ T3443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 361.802006][ T3443] Call Trace: [ 361.802025][ T3443] dump_stack_lvl+0x1e2/0x24b [ 361.802035][ T3443] ? bfq_pos_tree_add_move+0x43e/0x43e [ 361.802054][ T3443] ? vsnprintf+0x1fa/0x1cd0 [ 361.815442][ T3452] FAULT_INJECTION: forcing a failure. [ 361.815442][ T3452] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 361.825817][ T3443] dump_stack+0x15/0x17 [ 361.825828][ T3443] should_fail+0x3c0/0x510 [ 361.825836][ T3443] should_fail_usercopy+0x1a/0x20 [ 361.825846][ T3443] _copy_from_user+0x20/0xd0 [ 361.825855][ T3443] kstrtouint_from_user+0xd7/0x2b0 [ 361.825878][ T3443] ? kstrtol_from_user+0x310/0x310 [ 361.835953][ T3456] FAULT_INJECTION: forcing a failure. [ 361.835953][ T3456] name failslab, interval 1, probability 0, space 0, times 0 [ 361.839347][ T3443] ? snprintf+0xd6/0x120 [ 361.839362][ T3443] ? avc_policy_seqno+0x1b/0x70 [ 361.839380][ T3443] ? selinux_file_permission+0x2a9/0x520 [ 361.915292][ T3443] proc_fail_nth_write+0xa5/0x290 [ 361.920529][ T3443] ? security_file_permission+0x9d/0xc0 [ 361.926779][ T3443] ? proc_fail_nth_read+0x220/0x220 [ 361.932353][ T3443] ? security_file_permission+0xa8/0xc0 [ 361.938079][ T3443] ? rw_verify_area+0x1c2/0x360 [ 361.943081][ T3443] ? proc_fail_nth_read+0x220/0x220 [ 361.948464][ T3443] vfs_write+0x39b/0xf80 [ 361.952812][ T3443] ? kernel_write+0x420/0x420 [ 361.958019][ T3443] ? __kasan_check_write+0x14/0x20 [ 361.963214][ T3443] ? mutex_lock+0xb2/0x1e0 [ 361.967796][ T3443] ? mutex_trylock+0x180/0x180 [ 361.972816][ T3443] ? __fdget_pos+0x26d/0x310 [ 361.977405][ T3443] ? ksys_write+0x77/0x2c0 [ 361.982072][ T3443] ksys_write+0x198/0x2c0 [ 361.986473][ T3443] ? __ia32_sys_read+0x90/0x90 [ 361.991326][ T3443] ? debug_smp_processor_id+0x17/0x20 [ 362.002147][ T3443] __x64_sys_write+0x7b/0x90 [ 362.006721][ T3443] do_syscall_64+0x34/0x70 [ 362.011123][ T3443] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 362.017022][ T3443] RIP: 0033:0x7f022ab05b5f [ 362.021512][ T3443] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 362.041114][ T3443] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 362.050138][ T3443] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 362.060924][ T3443] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 362.070829][ T3443] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 362.079148][ T3443] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 362.087719][ T3443] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 362.095882][ T3452] CPU: 0 PID: 3452 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 362.106697][ T3452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 362.116924][ T3452] Call Trace: [ 362.120206][ T3452] dump_stack_lvl+0x1e2/0x24b [ 362.125139][ T3452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 362.130579][ T3452] ? vsnprintf+0x1fa/0x1cd0 [ 362.135062][ T3452] dump_stack+0x15/0x17 [ 362.139458][ T3452] should_fail+0x3c0/0x510 [ 362.143852][ T3452] should_fail_usercopy+0x1a/0x20 [ 362.148938][ T3452] _copy_from_user+0x20/0xd0 [ 362.153526][ T3452] kstrtouint_from_user+0xd7/0x2b0 [ 362.158795][ T3452] ? kstrtol_from_user+0x310/0x310 [ 362.163968][ T3452] ? snprintf+0xd6/0x120 [ 362.168280][ T3452] ? avc_policy_seqno+0x1b/0x70 [ 362.173136][ T3452] ? selinux_file_permission+0x2a9/0x520 [ 362.178743][ T3452] proc_fail_nth_write+0xa5/0x290 [ 362.183846][ T3452] ? security_file_permission+0x9d/0xc0 [ 362.189374][ T3452] ? proc_fail_nth_read+0x220/0x220 [ 362.195113][ T3452] ? security_file_permission+0xa8/0xc0 [ 362.200813][ T3452] ? rw_verify_area+0x1c2/0x360 [ 362.205846][ T3452] ? proc_fail_nth_read+0x220/0x220 [ 362.211461][ T3452] vfs_write+0x39b/0xf80 [ 362.215773][ T3452] ? kernel_write+0x420/0x420 [ 362.220689][ T3452] ? __kasan_check_write+0x14/0x20 [ 362.225951][ T3452] ? mutex_lock+0xb2/0x1e0 [ 362.230538][ T3452] ? mutex_trylock+0x180/0x180 [ 362.235538][ T3452] ? __fdget_pos+0x26d/0x310 [ 362.240208][ T3452] ? ksys_write+0x77/0x2c0 [ 362.244715][ T3452] ksys_write+0x198/0x2c0 [ 362.249029][ T3452] ? __kasan_check_write+0x14/0x20 [ 362.254204][ T3452] ? __ia32_sys_read+0x90/0x90 [ 362.259065][ T3452] ? debug_smp_processor_id+0x17/0x20 [ 362.264523][ T3452] __x64_sys_write+0x7b/0x90 [ 362.269304][ T3452] do_syscall_64+0x34/0x70 [ 362.273915][ T3452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 362.279879][ T3452] RIP: 0033:0x7faa22393b5f [ 362.284656][ T3452] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 362.304971][ T3452] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 362.313560][ T3452] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 362.321770][ T3452] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 362.330058][ T3452] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 362.338398][ T3452] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 362.346528][ T3452] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 362.355460][ T3451] CPU: 1 PID: 3451 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 362.366010][ T3451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 362.377476][ T3451] Call Trace: [ 362.381070][ T3451] dump_stack_lvl+0x1e2/0x24b [ 362.386016][ T3451] ? bfq_pos_tree_add_move+0x43e/0x43e [ 362.392082][ T3451] ? vsnprintf+0x1fa/0x1cd0 [ 362.396580][ T3451] dump_stack+0x15/0x17 [ 362.400914][ T3451] should_fail+0x3c0/0x510 [ 362.405805][ T3451] should_fail_usercopy+0x1a/0x20 [ 362.410937][ T3451] _copy_from_user+0x20/0xd0 [ 362.415511][ T3451] kstrtouint_from_user+0xd7/0x2b0 [ 362.421039][ T3451] ? kstrtol_from_user+0x310/0x310 [ 362.426245][ T3451] ? snprintf+0xd6/0x120 [ 362.430840][ T3451] ? avc_policy_seqno+0x1b/0x70 [ 362.435815][ T3451] ? selinux_file_permission+0x2a9/0x520 [ 362.441998][ T3451] proc_fail_nth_write+0xa5/0x290 [ 362.447248][ T3451] ? security_file_permission+0x9d/0xc0 [ 362.453378][ T3451] ? proc_fail_nth_read+0x220/0x220 [ 362.458676][ T3451] ? security_file_permission+0xa8/0xc0 [ 362.464225][ T3451] ? rw_verify_area+0x1c2/0x360 [ 362.469242][ T3451] ? proc_fail_nth_read+0x220/0x220 [ 362.474805][ T3451] vfs_write+0x39b/0xf80 [ 362.479517][ T3451] ? kernel_write+0x420/0x420 [ 362.484272][ T3451] ? __kasan_check_write+0x14/0x20 [ 362.489548][ T3451] ? mutex_lock+0xb2/0x1e0 [ 362.493984][ T3451] ? mutex_trylock+0x180/0x180 [ 362.499261][ T3451] ? __fdget_pos+0x26d/0x310 [ 362.503925][ T3451] ? ksys_write+0x77/0x2c0 [ 362.508419][ T3451] ksys_write+0x198/0x2c0 [ 362.512922][ T3451] ? __kasan_check_write+0x14/0x20 [ 362.518203][ T3451] ? __ia32_sys_read+0x90/0x90 [ 362.523339][ T3451] ? debug_smp_processor_id+0x17/0x20 [ 362.528962][ T3451] __x64_sys_write+0x7b/0x90 [ 362.533559][ T3451] do_syscall_64+0x34/0x70 [ 362.538132][ T3451] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 362.544093][ T3451] RIP: 0033:0x7f869ba6eb5f [ 362.548506][ T3451] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 362.568925][ T3451] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 362.577429][ T3451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 362.585734][ T3451] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 362.594984][ T3451] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 362.602939][ T3451] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 362.611065][ T3451] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 362.619078][ T3447] CPU: 0 PID: 3447 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 362.629751][ T3447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 362.640268][ T3447] Call Trace: [ 362.643694][ T3447] dump_stack_lvl+0x1e2/0x24b [ 362.648542][ T3447] ? bfq_pos_tree_add_move+0x43e/0x43e [ 362.654251][ T3447] ? vsnprintf+0x1fa/0x1cd0 [ 362.659058][ T3447] dump_stack+0x15/0x17 [ 362.663496][ T3447] should_fail+0x3c0/0x510 [ 362.668181][ T3447] should_fail_usercopy+0x1a/0x20 [ 362.673612][ T3447] _copy_from_user+0x20/0xd0 [ 362.678636][ T3447] kstrtouint_from_user+0xd7/0x2b0 [ 362.683834][ T3447] ? kstrtol_from_user+0x310/0x310 [ 362.689285][ T3447] ? snprintf+0xd6/0x120 [ 362.693707][ T3447] ? avc_policy_seqno+0x1b/0x70 [ 362.698749][ T3447] ? selinux_file_permission+0x2a9/0x520 [ 362.704378][ T3447] proc_fail_nth_write+0xa5/0x290 [ 362.709490][ T3447] ? security_file_permission+0x9d/0xc0 [ 362.715135][ T3447] ? proc_fail_nth_read+0x220/0x220 [ 362.720420][ T3447] ? security_file_permission+0xa8/0xc0 [ 362.725956][ T3447] ? rw_verify_area+0x1c2/0x360 [ 362.731027][ T3447] ? proc_fail_nth_read+0x220/0x220 [ 362.736303][ T3447] vfs_write+0x39b/0xf80 [ 362.740538][ T3447] ? kernel_write+0x420/0x420 [ 362.745404][ T3447] ? __kasan_check_write+0x14/0x20 [ 362.750493][ T3447] ? mutex_lock+0xb2/0x1e0 [ 362.754982][ T3447] ? mutex_trylock+0x180/0x180 [ 362.759751][ T3447] ? __fdget_pos+0x26d/0x310 [ 362.764345][ T3447] ? ksys_write+0x77/0x2c0 [ 362.768916][ T3447] ksys_write+0x198/0x2c0 [ 362.773290][ T3447] ? __ia32_sys_read+0x90/0x90 [ 362.778037][ T3447] ? debug_smp_processor_id+0x17/0x20 [ 362.783601][ T3447] __x64_sys_write+0x7b/0x90 [ 362.788194][ T3447] do_syscall_64+0x34/0x70 [ 362.792710][ T3447] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 362.798679][ T3447] RIP: 0033:0x7f6ebe0d0b5f [ 362.803081][ T3447] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 362.823044][ T3447] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 362.831711][ T3447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 362.839678][ T3447] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 362.847667][ T3447] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 362.855993][ T3447] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 362.864043][ T3447] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 362.874251][ T3456] CPU: 1 PID: 3456 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 362.884850][ T3456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 362.895065][ T3456] Call Trace: [ 362.898448][ T3456] dump_stack_lvl+0x1e2/0x24b [ 362.903129][ T3456] ? panic+0x7d7/0x7d7 [ 362.907332][ T3456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 362.912863][ T3456] ? find_next_bit+0xd6/0x120 [ 362.917520][ T3456] ? cpumask_next+0x11/0x30 [ 362.922015][ T3456] dump_stack+0x15/0x17 [ 362.926240][ T3456] should_fail+0x3c0/0x510 [ 362.930729][ T3456] ? percpu_ref_init+0xd0/0x340 [ 362.935570][ T3456] __should_failslab+0x9f/0xe0 [ 362.940429][ T3456] should_failslab+0x9/0x20 [ 362.945006][ T3456] kmem_cache_alloc_trace+0x3a/0x330 [ 362.950365][ T3456] percpu_ref_init+0xd0/0x340 [ 362.955057][ T3456] ? cgroup_setup_root+0xea0/0xea0 [ 362.960316][ T3456] cgroup_apply_control_enable+0x3a2/0x12f0 [ 362.966658][ T3456] ? cgroup_reconfigure+0xe0/0xe0 [ 362.971660][ T3456] cgroup_apply_control+0x8e/0x7e0 [ 362.977357][ T3456] ? css_next_child+0x160/0x160 [ 362.982188][ T3456] ? io_schedule+0x120/0x120 [ 362.986753][ T3456] ? kernfs_fop_write_iter+0x15e/0x410 [ 362.992463][ T3456] ? __kasan_check_write+0x14/0x20 [ 362.997724][ T3456] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 363.002985][ T3456] cgroup_subtree_control_write+0xd19/0x1310 [ 363.008944][ T3456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 363.014987][ T3456] ? __kasan_check_write+0x14/0x20 [ 363.020157][ T3456] ? _copy_from_iter+0x3fb/0xd60 [ 363.025679][ T3456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 363.031734][ T3456] cgroup_file_write+0x28e/0x590 [ 363.036747][ T3456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 363.041917][ T3456] ? mutex_trylock+0x180/0x180 [ 363.046768][ T3456] ? __kasan_check_write+0x14/0x20 [ 363.051854][ T3456] kernfs_fop_write_iter+0x2d0/0x410 [ 363.057114][ T3456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 363.062371][ T3456] vfs_write+0xc4a/0xf80 [ 363.066683][ T3456] ? kernel_write+0x420/0x420 [ 363.071351][ T3456] ? mutex_lock+0xb2/0x1e0 [ 363.075742][ T3456] ? mutex_trylock+0x180/0x180 [ 363.080482][ T3456] ? __fdget_pos+0x26d/0x310 [ 363.085046][ T3456] ? ksys_write+0x77/0x2c0 [ 363.089440][ T3456] ksys_write+0x198/0x2c0 [ 363.093749][ T3456] ? __ia32_sys_read+0x90/0x90 [ 363.098489][ T3456] ? debug_smp_processor_id+0x17/0x20 [ 363.103942][ T3456] __x64_sys_write+0x7b/0x90 [ 363.108651][ T3456] do_syscall_64+0x34/0x70 [ 363.113171][ T3456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 363.119047][ T3456] RIP: 0033:0x7f85191c4049 [ 363.123539][ T3456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 363.143315][ T3456] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 363.151943][ T3456] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 363.159981][ T3456] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 363.168110][ T3456] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 363.176580][ T3456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 363.184728][ T3456] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 363.203137][ T3460] FAULT_INJECTION: forcing a failure. [ 363.203137][ T3460] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 363.203163][ T3463] FAULT_INJECTION: forcing a failure. [ 363.203163][ T3463] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 363.216757][ T3466] FAULT_INJECTION: forcing a failure. [ 363.216757][ T3466] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 363.229733][ T3460] CPU: 0 PID: 3460 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 363.243304][ T3464] FAULT_INJECTION: forcing a failure. [ 363.243304][ T3464] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 363.254099][ T3460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 363.254104][ T3460] Call Trace: [ 363.254122][ T3460] dump_stack_lvl+0x1e2/0x24b [ 363.254132][ T3460] ? bfq_pos_tree_add_move+0x43e/0x43e [ 363.254141][ T3460] ? vsnprintf+0x1fa/0x1cd0 [ 363.254151][ T3460] dump_stack+0x15/0x17 [ 363.254167][ T3460] should_fail+0x3c0/0x510 [ 363.277435][ T3468] FAULT_INJECTION: forcing a failure. [ 363.277435][ T3468] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 363.277501][ T3460] should_fail_usercopy+0x1a/0x20 [ 363.324397][ T3460] _copy_from_user+0x20/0xd0 [ 363.329098][ T3460] kstrtouint_from_user+0xd7/0x2b0 [ 363.334224][ T3460] ? kstrtol_from_user+0x310/0x310 [ 363.340367][ T3460] ? snprintf+0xd6/0x120 [ 363.344701][ T3460] ? avc_policy_seqno+0x1b/0x70 [ 363.349797][ T3460] ? selinux_file_permission+0x2a9/0x520 [ 363.355504][ T3460] proc_fail_nth_write+0xa5/0x290 [ 363.360529][ T3460] ? security_file_permission+0x9d/0xc0 [ 363.366157][ T3460] ? proc_fail_nth_read+0x220/0x220 [ 363.371778][ T3460] ? security_file_permission+0xa8/0xc0 [ 363.377412][ T3460] ? rw_verify_area+0x1c2/0x360 [ 363.382257][ T3460] ? proc_fail_nth_read+0x220/0x220 [ 363.387538][ T3460] vfs_write+0x39b/0xf80 [ 363.391781][ T3460] ? kernel_write+0x420/0x420 [ 363.396536][ T3460] ? __kasan_check_write+0x14/0x20 [ 363.401807][ T3460] ? mutex_lock+0xb2/0x1e0 [ 363.406214][ T3460] ? mutex_trylock+0x180/0x180 [ 363.411239][ T3460] ? __fdget_pos+0x26d/0x310 [ 363.416108][ T3460] ? ksys_write+0x77/0x2c0 [ 363.420525][ T3460] ksys_write+0x198/0x2c0 [ 363.424837][ T3460] ? __kasan_check_write+0x14/0x20 [ 363.429942][ T3460] ? __ia32_sys_read+0x90/0x90 [ 363.434811][ T3460] ? debug_smp_processor_id+0x17/0x20 [ 363.440270][ T3460] __x64_sys_write+0x7b/0x90 [ 363.445104][ T3460] do_syscall_64+0x34/0x70 [ 363.449611][ T3460] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 363.455985][ T3460] RIP: 0033:0x7f022ab05b5f [ 363.460563][ T3460] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 363.480704][ T3460] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 363.489423][ T3460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 363.497558][ T3460] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 363.505795][ T3460] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 363.514186][ T3460] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 363.522163][ T3460] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 363.530588][ T3464] CPU: 1 PID: 3464 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 363.541123][ T3464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 363.552320][ T3464] Call Trace: [ 363.555994][ T3464] dump_stack_lvl+0x1e2/0x24b [ 363.560705][ T3464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 363.566488][ T3464] ? vsnprintf+0x1fa/0x1cd0 [ 363.571097][ T3464] dump_stack+0x15/0x17 [ 363.575385][ T3464] should_fail+0x3c0/0x510 [ 363.579797][ T3464] should_fail_usercopy+0x1a/0x20 [ 363.585062][ T3464] _copy_from_user+0x20/0xd0 [ 363.589824][ T3464] kstrtouint_from_user+0xd7/0x2b0 [ 363.595113][ T3464] ? kstrtol_from_user+0x310/0x310 [ 363.600359][ T3464] ? snprintf+0xd6/0x120 [ 363.604774][ T3464] ? avc_policy_seqno+0x1b/0x70 [ 363.609613][ T3464] ? selinux_file_permission+0x2a9/0x520 [ 363.615251][ T3464] proc_fail_nth_write+0xa5/0x290 [ 363.620455][ T3464] ? security_file_permission+0x9d/0xc0 [ 363.625986][ T3464] ? proc_fail_nth_read+0x220/0x220 [ 363.631262][ T3464] ? security_file_permission+0xa8/0xc0 [ 363.636901][ T3464] ? rw_verify_area+0x1c2/0x360 [ 363.641829][ T3464] ? proc_fail_nth_read+0x220/0x220 [ 363.647009][ T3464] vfs_write+0x39b/0xf80 [ 363.651238][ T3464] ? kernel_write+0x420/0x420 [ 363.655911][ T3464] ? __kasan_check_write+0x14/0x20 [ 363.661021][ T3464] ? mutex_lock+0xb2/0x1e0 [ 363.665442][ T3464] ? mutex_trylock+0x180/0x180 [ 363.670193][ T3464] ? __fdget_pos+0x26d/0x310 [ 363.674763][ T3464] ? ksys_write+0x77/0x2c0 [ 363.679161][ T3464] ksys_write+0x198/0x2c0 [ 363.683648][ T3464] ? __kasan_check_write+0x14/0x20 [ 363.688848][ T3464] ? __ia32_sys_read+0x90/0x90 [ 363.693766][ T3464] ? debug_smp_processor_id+0x17/0x20 [ 363.699114][ T3464] __x64_sys_write+0x7b/0x90 [ 363.703682][ T3464] do_syscall_64+0x34/0x70 [ 363.708203][ T3464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 363.714276][ T3464] RIP: 0033:0x7f869ba6eb5f [ 363.718687][ T3464] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 363.738555][ T3464] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 2022/08/30 17:01:44 executed programs: 1369 [ 363.748156][ T3464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 363.756122][ T3464] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 363.764493][ T3464] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 363.772458][ T3464] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 363.780702][ T3464] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 363.788840][ T3463] CPU: 0 PID: 3463 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 363.799161][ T3463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 363.809483][ T3463] Call Trace: [ 363.812894][ T3463] dump_stack_lvl+0x1e2/0x24b [ 363.817673][ T3463] ? bfq_pos_tree_add_move+0x43e/0x43e [ 363.823227][ T3463] ? vsnprintf+0x1fa/0x1cd0 [ 363.827719][ T3463] dump_stack+0x15/0x17 [ 363.831868][ T3463] should_fail+0x3c0/0x510 [ 363.836375][ T3463] should_fail_usercopy+0x1a/0x20 [ 363.841473][ T3463] _copy_from_user+0x20/0xd0 [ 363.846222][ T3463] kstrtouint_from_user+0xd7/0x2b0 [ 363.851669][ T3463] ? kstrtol_from_user+0x310/0x310 [ 363.856855][ T3463] ? snprintf+0xd6/0x120 [ 363.861285][ T3463] ? avc_policy_seqno+0x1b/0x70 [ 363.866209][ T3463] ? selinux_file_permission+0x2a9/0x520 [ 363.871843][ T3463] proc_fail_nth_write+0xa5/0x290 [ 363.876849][ T3463] ? security_file_permission+0x9d/0xc0 [ 363.882466][ T3463] ? proc_fail_nth_read+0x220/0x220 [ 363.887837][ T3463] ? security_file_permission+0xa8/0xc0 [ 363.893578][ T3463] ? rw_verify_area+0x1c2/0x360 [ 363.898541][ T3463] ? proc_fail_nth_read+0x220/0x220 [ 363.903910][ T3463] vfs_write+0x39b/0xf80 [ 363.908151][ T3463] ? kernel_write+0x420/0x420 [ 363.912905][ T3463] ? __kasan_check_write+0x14/0x20 [ 363.917998][ T3463] ? mutex_lock+0xb2/0x1e0 [ 363.922668][ T3463] ? mutex_trylock+0x180/0x180 [ 363.927531][ T3463] ? __fdget_pos+0x26d/0x310 [ 363.932276][ T3463] ? ksys_write+0x77/0x2c0 [ 363.936675][ T3463] ksys_write+0x198/0x2c0 [ 363.941266][ T3463] ? __kasan_check_write+0x14/0x20 [ 363.946493][ T3463] ? __ia32_sys_read+0x90/0x90 [ 363.951337][ T3463] ? debug_smp_processor_id+0x17/0x20 [ 363.956691][ T3463] __x64_sys_write+0x7b/0x90 [ 363.961289][ T3463] do_syscall_64+0x34/0x70 [ 363.966146][ T3463] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 363.972015][ T3463] RIP: 0033:0x7faa22393b5f [ 363.976413][ T3463] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 363.996449][ T3463] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 364.005661][ T3463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 364.013736][ T3463] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 364.021957][ T3463] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 364.029911][ T3463] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 364.038270][ T3463] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 364.046409][ T3468] CPU: 1 PID: 3468 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 364.056900][ T3468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 364.067118][ T3468] Call Trace: [ 364.070413][ T3468] dump_stack_lvl+0x1e2/0x24b [ 364.075159][ T3468] ? bfq_pos_tree_add_move+0x43e/0x43e [ 364.081498][ T3468] ? vsnprintf+0x1fa/0x1cd0 [ 364.086064][ T3468] dump_stack+0x15/0x17 [ 364.090307][ T3468] should_fail+0x3c0/0x510 [ 364.094699][ T3468] should_fail_usercopy+0x1a/0x20 [ 364.099963][ T3468] _copy_from_user+0x20/0xd0 [ 364.104726][ T3468] kstrtouint_from_user+0xd7/0x2b0 [ 364.109925][ T3468] ? kstrtol_from_user+0x310/0x310 [ 364.115147][ T3468] ? snprintf+0xd6/0x120 [ 364.119596][ T3468] ? avc_policy_seqno+0x1b/0x70 [ 364.124784][ T3468] ? selinux_file_permission+0x2a9/0x520 [ 364.130722][ T3468] proc_fail_nth_write+0xa5/0x290 [ 364.135992][ T3468] ? security_file_permission+0x9d/0xc0 [ 364.141644][ T3468] ? proc_fail_nth_read+0x220/0x220 [ 364.146902][ T3468] ? security_file_permission+0xa8/0xc0 [ 364.152694][ T3468] ? rw_verify_area+0x1c2/0x360 [ 364.157550][ T3468] ? proc_fail_nth_read+0x220/0x220 [ 364.162743][ T3468] vfs_write+0x39b/0xf80 [ 364.167312][ T3468] ? kernel_write+0x420/0x420 [ 364.172328][ T3468] ? __kasan_check_write+0x14/0x20 [ 364.177848][ T3468] ? mutex_lock+0xb2/0x1e0 [ 364.182504][ T3468] ? mutex_trylock+0x180/0x180 [ 364.187248][ T3468] ? __fdget_pos+0x26d/0x310 [ 364.192246][ T3468] ? ksys_write+0x77/0x2c0 [ 364.196680][ T3468] ksys_write+0x198/0x2c0 [ 364.202058][ T3468] ? __ia32_sys_read+0x90/0x90 [ 364.206895][ T3468] ? debug_smp_processor_id+0x17/0x20 [ 364.212504][ T3468] __x64_sys_write+0x7b/0x90 [ 364.217178][ T3468] do_syscall_64+0x34/0x70 [ 364.221834][ T3468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 364.227785][ T3468] RIP: 0033:0x7f6ebe0d0b5f [ 364.232203][ T3468] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 364.252133][ T3468] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 364.260773][ T3468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 364.268814][ T3468] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 364.277121][ T3468] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 364.285258][ T3468] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 364.293379][ T3468] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 364.303204][ T3471] FAULT_INJECTION: forcing a failure. [ 364.303204][ T3471] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 364.317652][ T3466] CPU: 1 PID: 3466 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 364.328084][ T3466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 364.338879][ T3466] Call Trace: [ 364.342425][ T3466] dump_stack_lvl+0x1e2/0x24b [ 364.347188][ T3466] ? bfq_pos_tree_add_move+0x43e/0x43e [ 364.352827][ T3466] ? vsnprintf+0x1fa/0x1cd0 [ 364.357693][ T3466] dump_stack+0x15/0x17 [ 364.362011][ T3466] should_fail+0x3c0/0x510 [ 364.366471][ T3466] should_fail_usercopy+0x1a/0x20 [ 364.371791][ T3466] _copy_from_user+0x20/0xd0 [ 364.376735][ T3466] kstrtouint_from_user+0xd7/0x2b0 [ 364.381947][ T3466] ? kstrtol_from_user+0x310/0x310 [ 364.384715][ T3473] FAULT_INJECTION: forcing a failure. [ 364.384715][ T3473] name failslab, interval 1, probability 0, space 0, times 0 [ 364.387455][ T3466] ? snprintf+0xd6/0x120 [ 364.387468][ T3466] ? avc_policy_seqno+0x1b/0x70 [ 364.387477][ T3466] ? selinux_file_permission+0x2a9/0x520 [ 364.387496][ T3466] proc_fail_nth_write+0xa5/0x290 [ 364.420308][ T3466] ? security_file_permission+0x9d/0xc0 [ 364.426206][ T3466] ? proc_fail_nth_read+0x220/0x220 [ 364.431913][ T3466] ? security_file_permission+0xa8/0xc0 [ 364.437544][ T3466] ? rw_verify_area+0x1c2/0x360 [ 364.442375][ T3466] ? proc_fail_nth_read+0x220/0x220 [ 364.447551][ T3466] vfs_write+0x39b/0xf80 [ 364.451792][ T3466] ? kernel_write+0x420/0x420 [ 364.456599][ T3466] ? __kasan_check_write+0x14/0x20 [ 364.461752][ T3466] ? mutex_lock+0xb2/0x1e0 [ 364.466385][ T3466] ? mutex_trylock+0x180/0x180 [ 364.471376][ T3466] ? __fdget_pos+0x26d/0x310 [ 364.476089][ T3466] ? ksys_write+0x77/0x2c0 [ 364.480683][ T3466] ksys_write+0x198/0x2c0 [ 364.485083][ T3466] ? __ia32_sys_read+0x90/0x90 [ 364.489835][ T3466] ? debug_smp_processor_id+0x17/0x20 [ 364.495535][ T3466] __x64_sys_write+0x7b/0x90 [ 364.500388][ T3466] do_syscall_64+0x34/0x70 [ 364.504808][ T3466] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 364.510832][ T3466] RIP: 0033:0x7f7d1c31ab5f [ 364.515340][ T3466] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 364.535207][ T3466] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 364.543622][ T3466] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 364.551603][ T3466] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 364.559839][ T3466] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 364.568333][ T3466] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 364.576471][ T3466] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 364.584702][ T3473] CPU: 0 PID: 3473 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 364.595741][ T3473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 364.605793][ T3473] Call Trace: [ 364.609088][ T3473] dump_stack_lvl+0x1e2/0x24b [ 364.613768][ T3473] ? panic+0x7d7/0x7d7 [ 364.617841][ T3473] ? bfq_pos_tree_add_move+0x43e/0x43e [ 364.623560][ T3473] ? find_next_bit+0xd6/0x120 [ 364.628312][ T3473] ? cpumask_next+0x11/0x30 [ 364.632806][ T3473] dump_stack+0x15/0x17 [ 364.636956][ T3473] should_fail+0x3c0/0x510 [ 364.641457][ T3473] ? percpu_ref_init+0xd0/0x340 [ 364.646486][ T3473] __should_failslab+0x9f/0xe0 [ 364.651235][ T3473] should_failslab+0x9/0x20 [ 364.655910][ T3473] kmem_cache_alloc_trace+0x3a/0x330 [ 364.661203][ T3473] percpu_ref_init+0xd0/0x340 [ 364.665872][ T3473] ? cgroup_setup_root+0xea0/0xea0 [ 364.671143][ T3473] cgroup_apply_control_enable+0x3a2/0x12f0 [ 364.677019][ T3473] ? cgroup_reconfigure+0xe0/0xe0 [ 364.682120][ T3473] cgroup_apply_control+0x8e/0x7e0 [ 364.687219][ T3473] ? css_next_child+0x160/0x160 [ 364.692139][ T3473] ? io_schedule+0x120/0x120 [ 364.696906][ T3473] ? kernfs_fop_write_iter+0x15e/0x410 [ 364.702454][ T3473] ? __kasan_check_write+0x14/0x20 [ 364.707567][ T3473] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 364.712837][ T3473] cgroup_subtree_control_write+0xd19/0x1310 [ 364.718944][ T3473] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 364.724907][ T3473] ? __kasan_check_write+0x14/0x20 [ 364.730000][ T3473] ? _copy_from_iter+0x3fb/0xd60 [ 364.734924][ T3473] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 364.740985][ T3473] cgroup_file_write+0x28e/0x590 [ 364.745931][ T3473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 364.751395][ T3473] ? mutex_trylock+0x180/0x180 [ 364.756251][ T3473] ? __kasan_check_write+0x14/0x20 [ 364.761445][ T3473] kernfs_fop_write_iter+0x2d0/0x410 [ 364.766880][ T3473] ? cgroup_seqfile_stop+0xc0/0xc0 [ 364.771991][ T3473] vfs_write+0xc4a/0xf80 [ 364.776265][ T3473] ? kernel_write+0x420/0x420 [ 364.781014][ T3473] ? mutex_lock+0xb2/0x1e0 [ 364.785513][ T3473] ? mutex_trylock+0x180/0x180 [ 364.790478][ T3473] ? __fdget_pos+0x26d/0x310 [ 364.795234][ T3473] ? ksys_write+0x77/0x2c0 [ 364.799649][ T3473] ksys_write+0x198/0x2c0 [ 364.803974][ T3473] ? __ia32_sys_read+0x90/0x90 [ 364.808733][ T3473] ? debug_smp_processor_id+0x17/0x20 [ 364.814250][ T3473] __x64_sys_write+0x7b/0x90 [ 364.818846][ T3473] do_syscall_64+0x34/0x70 [ 364.823508][ T3473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 364.829480][ T3473] RIP: 0033:0x7f85191c4049 [ 364.834103][ T3473] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 364.854234][ T3473] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 364.863343][ T3473] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 364.871397][ T3473] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 364.879636][ T3473] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 364.887860][ T3473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 364.895907][ T3473] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 364.904156][ T3471] CPU: 1 PID: 3471 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 364.915089][ T3471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 364.925327][ T3471] Call Trace: [ 364.928631][ T3471] dump_stack_lvl+0x1e2/0x24b [ 364.933311][ T3471] ? bfq_pos_tree_add_move+0x43e/0x43e [ 364.938920][ T3471] ? vsnprintf+0x1fa/0x1cd0 [ 364.943487][ T3471] dump_stack+0x15/0x17 [ 364.947630][ T3471] should_fail+0x3c0/0x510 [ 364.952112][ T3471] should_fail_usercopy+0x1a/0x20 [ 364.957114][ T3471] _copy_from_user+0x20/0xd0 [ 364.961984][ T3471] kstrtouint_from_user+0xd7/0x2b0 [ 364.967397][ T3471] ? kstrtol_from_user+0x310/0x310 [ 364.972800][ T3471] ? snprintf+0xd6/0x120 [ 364.977040][ T3471] ? avc_policy_seqno+0x1b/0x70 [ 364.982205][ T3471] ? selinux_file_permission+0x2a9/0x520 [ 364.988358][ T3471] proc_fail_nth_write+0xa5/0x290 [ 364.993451][ T3471] ? security_file_permission+0x9d/0xc0 [ 364.999171][ T3471] ? proc_fail_nth_read+0x220/0x220 [ 365.004354][ T3471] ? security_file_permission+0xa8/0xc0 [ 365.009979][ T3471] ? rw_verify_area+0x1c2/0x360 [ 365.014805][ T3471] ? proc_fail_nth_read+0x220/0x220 [ 365.020193][ T3471] vfs_write+0x39b/0xf80 [ 365.024477][ T3471] ? kernel_write+0x420/0x420 [ 365.029597][ T3471] ? __kasan_check_write+0x14/0x20 [ 365.034750][ T3471] ? mutex_lock+0xb2/0x1e0 [ 365.039479][ T3471] ? mutex_trylock+0x180/0x180 [ 365.045749][ T3471] ? __fdget_pos+0x26d/0x310 [ 365.050420][ T3471] ? ksys_write+0x77/0x2c0 [ 365.054842][ T3471] ksys_write+0x198/0x2c0 [ 365.059165][ T3471] ? __ia32_sys_read+0x90/0x90 [ 365.064055][ T3471] ? debug_smp_processor_id+0x17/0x20 [ 365.069676][ T3471] __x64_sys_write+0x7b/0x90 [ 365.074575][ T3471] do_syscall_64+0x34/0x70 [ 365.078995][ T3471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 365.084901][ T3471] RIP: 0033:0x7f022ab05b5f [ 365.089563][ T3471] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 365.111661][ T3471] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 365.120144][ T3471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 365.128094][ T3471] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 365.136062][ T3471] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 365.144210][ T3471] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 365.152333][ T3471] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 365.161019][ T3478] FAULT_INJECTION: forcing a failure. [ 365.161019][ T3478] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 365.161374][ T3480] FAULT_INJECTION: forcing a failure. [ 365.161374][ T3480] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 365.174170][ T3478] CPU: 1 PID: 3478 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 365.174176][ T3478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 365.174180][ T3478] Call Trace: [ 365.174197][ T3478] dump_stack_lvl+0x1e2/0x24b [ 365.174215][ T3478] ? bfq_pos_tree_add_move+0x43e/0x43e [ 365.187577][ T3479] FAULT_INJECTION: forcing a failure. [ 365.187577][ T3479] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 365.198259][ T3478] ? vsnprintf+0x1fa/0x1cd0 [ 365.198272][ T3478] dump_stack+0x15/0x17 [ 365.198282][ T3478] should_fail+0x3c0/0x510 [ 365.198291][ T3478] should_fail_usercopy+0x1a/0x20 [ 365.198302][ T3478] _copy_from_user+0x20/0xd0 [ 365.198312][ T3478] kstrtouint_from_user+0xd7/0x2b0 [ 365.198326][ T3478] ? kstrtol_from_user+0x310/0x310 [ 365.198335][ T3478] ? snprintf+0xd6/0x120 [ 365.198347][ T3478] ? avc_policy_seqno+0x1b/0x70 [ 365.198363][ T3478] ? selinux_file_permission+0x2a9/0x520 [ 365.284533][ T3478] proc_fail_nth_write+0xa5/0x290 [ 365.289559][ T3478] ? security_file_permission+0x9d/0xc0 [ 365.295086][ T3478] ? proc_fail_nth_read+0x220/0x220 [ 365.300357][ T3478] ? security_file_permission+0xa8/0xc0 [ 365.306234][ T3478] ? rw_verify_area+0x1c2/0x360 [ 365.311332][ T3478] ? proc_fail_nth_read+0x220/0x220 [ 365.316825][ T3478] vfs_write+0x39b/0xf80 [ 365.321278][ T3478] ? kernel_write+0x420/0x420 [ 365.325945][ T3478] ? __kasan_check_write+0x14/0x20 [ 365.331386][ T3478] ? mutex_lock+0xb2/0x1e0 [ 365.335783][ T3478] ? mutex_trylock+0x180/0x180 [ 365.340545][ T3478] ? __fdget_pos+0x26d/0x310 [ 365.345291][ T3478] ? ksys_write+0x77/0x2c0 [ 365.350035][ T3478] ksys_write+0x198/0x2c0 [ 365.354562][ T3478] ? __kasan_check_write+0x14/0x20 [ 365.359664][ T3478] ? __ia32_sys_read+0x90/0x90 [ 365.364731][ T3478] ? debug_smp_processor_id+0x17/0x20 [ 365.370369][ T3478] __x64_sys_write+0x7b/0x90 [ 365.375522][ T3478] do_syscall_64+0x34/0x70 [ 365.379940][ T3478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 365.386094][ T3478] RIP: 0033:0x7f7d1c31ab5f [ 365.390616][ T3478] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 365.411437][ T3478] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 365.420108][ T3478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 365.428588][ T3478] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 365.436993][ T3478] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 365.445388][ T3478] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 365.453713][ T3478] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 365.461684][ T3480] CPU: 0 PID: 3480 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 365.472182][ T3480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 365.483214][ T3480] Call Trace: [ 365.486579][ T3480] dump_stack_lvl+0x1e2/0x24b [ 365.491328][ T3480] ? bfq_pos_tree_add_move+0x43e/0x43e [ 365.496788][ T3480] ? vsnprintf+0x1fa/0x1cd0 [ 365.501559][ T3480] dump_stack+0x15/0x17 [ 365.505879][ T3480] should_fail+0x3c0/0x510 [ 365.510372][ T3480] should_fail_usercopy+0x1a/0x20 [ 365.515725][ T3480] _copy_from_user+0x20/0xd0 [ 365.520386][ T3480] kstrtouint_from_user+0xd7/0x2b0 [ 365.525565][ T3480] ? kstrtol_from_user+0x310/0x310 [ 365.530740][ T3480] ? snprintf+0xd6/0x120 [ 365.535402][ T3480] ? avc_policy_seqno+0x1b/0x70 [ 365.540952][ T3480] ? selinux_file_permission+0x2a9/0x520 [ 365.546562][ T3480] proc_fail_nth_write+0xa5/0x290 [ 365.551826][ T3480] ? security_file_permission+0x9d/0xc0 [ 365.557779][ T3480] ? proc_fail_nth_read+0x220/0x220 [ 365.563237][ T3480] ? security_file_permission+0xa8/0xc0 [ 365.569193][ T3480] ? rw_verify_area+0x1c2/0x360 [ 365.574201][ T3480] ? proc_fail_nth_read+0x220/0x220 [ 365.579391][ T3480] vfs_write+0x39b/0xf80 [ 365.583737][ T3480] ? kernel_write+0x420/0x420 [ 365.588489][ T3480] ? __kasan_check_write+0x14/0x20 [ 365.593588][ T3480] ? mutex_lock+0xb2/0x1e0 [ 365.598253][ T3480] ? mutex_trylock+0x180/0x180 [ 365.603017][ T3480] ? __fdget_pos+0x26d/0x310 [ 365.607592][ T3480] ? ksys_write+0x77/0x2c0 [ 365.611985][ T3480] ksys_write+0x198/0x2c0 [ 365.616294][ T3480] ? __ia32_sys_read+0x90/0x90 [ 365.621043][ T3480] ? debug_smp_processor_id+0x17/0x20 [ 365.626386][ T3480] __x64_sys_write+0x7b/0x90 [ 365.631391][ T3480] do_syscall_64+0x34/0x70 [ 365.636049][ T3480] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 365.641917][ T3480] RIP: 0033:0x7f869ba6eb5f [ 365.646310][ T3480] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 365.666504][ T3480] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 365.674895][ T3480] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 365.683198][ T3480] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 365.691610][ T3480] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 365.699671][ T3480] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 365.708031][ T3480] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 365.719489][ T3479] CPU: 1 PID: 3479 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 365.730116][ T3479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 365.740259][ T3479] Call Trace: [ 365.743744][ T3479] dump_stack_lvl+0x1e2/0x24b [ 365.748703][ T3479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 365.754248][ T3479] ? vsnprintf+0x1fa/0x1cd0 [ 365.758757][ T3479] dump_stack+0x15/0x17 [ 365.762888][ T3479] should_fail+0x3c0/0x510 [ 365.767297][ T3479] should_fail_usercopy+0x1a/0x20 [ 365.772307][ T3479] _copy_from_user+0x20/0xd0 [ 365.776963][ T3479] kstrtouint_from_user+0xd7/0x2b0 [ 365.782229][ T3479] ? kstrtol_from_user+0x310/0x310 [ 365.787401][ T3479] ? snprintf+0xd6/0x120 [ 365.791622][ T3479] ? avc_policy_seqno+0x1b/0x70 [ 365.796448][ T3479] ? selinux_file_permission+0x2a9/0x520 [ 365.802317][ T3479] proc_fail_nth_write+0xa5/0x290 [ 365.807526][ T3479] ? security_file_permission+0x9d/0xc0 [ 365.813168][ T3479] ? proc_fail_nth_read+0x220/0x220 [ 365.818465][ T3479] ? security_file_permission+0xa8/0xc0 [ 365.824016][ T3479] ? rw_verify_area+0x1c2/0x360 [ 365.828971][ T3479] ? proc_fail_nth_read+0x220/0x220 [ 365.834265][ T3479] vfs_write+0x39b/0xf80 [ 365.838507][ T3479] ? kernel_write+0x420/0x420 [ 365.843309][ T3479] ? __kasan_check_write+0x14/0x20 [ 365.848678][ T3479] ? mutex_lock+0xb2/0x1e0 [ 365.853700][ T3479] ? mutex_trylock+0x180/0x180 [ 365.858529][ T3479] ? __fdget_pos+0x26d/0x310 [ 365.863532][ T3479] ? ksys_write+0x77/0x2c0 [ 365.868119][ T3479] ksys_write+0x198/0x2c0 [ 365.873321][ T3479] ? __kasan_check_write+0x14/0x20 [ 365.878711][ T3479] ? __ia32_sys_read+0x90/0x90 [ 365.883454][ T3479] ? debug_smp_processor_id+0x17/0x20 [ 365.888804][ T3479] __x64_sys_write+0x7b/0x90 [ 365.893629][ T3479] do_syscall_64+0x34/0x70 [ 365.898108][ T3479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 365.904437][ T3479] RIP: 0033:0x7faa22393b5f [ 365.908843][ T3479] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 365.929165][ T3479] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 365.937661][ T3479] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 365.945959][ T3479] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 365.954971][ T3479] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 365.963208][ T3479] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 365.971244][ T3479] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 365.979895][ T3488] FAULT_INJECTION: forcing a failure. [ 365.979895][ T3488] name failslab, interval 1, probability 0, space 0, times 0 [ 366.000176][ T3488] CPU: 0 PID: 3488 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 366.010605][ T3488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 366.021026][ T3488] Call Trace: [ 366.024716][ T3488] dump_stack_lvl+0x1e2/0x24b [ 366.029632][ T3488] ? panic+0x7d7/0x7d7 [ 366.033687][ T3488] ? bfq_pos_tree_add_move+0x43e/0x43e [ 366.039516][ T3488] ? find_next_bit+0xd6/0x120 [ 366.044585][ T3488] ? cpumask_next+0x11/0x30 [ 366.049226][ T3488] dump_stack+0x15/0x17 [ 366.053674][ T3488] should_fail+0x3c0/0x510 [ 366.058293][ T3488] ? percpu_ref_init+0xd0/0x340 [ 366.063235][ T3488] __should_failslab+0x9f/0xe0 [ 366.068339][ T3488] should_failslab+0x9/0x20 [ 366.072940][ T3488] kmem_cache_alloc_trace+0x3a/0x330 [ 366.078358][ T3488] percpu_ref_init+0xd0/0x340 [ 366.083028][ T3488] ? cgroup_setup_root+0xea0/0xea0 [ 366.088908][ T3488] cgroup_apply_control_enable+0x3a2/0x12f0 [ 366.094945][ T3488] ? cgroup_reconfigure+0xe0/0xe0 [ 366.100151][ T3488] cgroup_apply_control+0x8e/0x7e0 [ 366.105432][ T3488] ? css_next_child+0x160/0x160 [ 366.110728][ T3488] ? io_schedule+0x120/0x120 [ 366.115312][ T3488] ? kernfs_fop_write_iter+0x15e/0x410 [ 366.121068][ T3488] ? __kasan_check_write+0x14/0x20 [ 366.126239][ T3488] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 366.131804][ T3488] cgroup_subtree_control_write+0xd19/0x1310 [ 366.137778][ T3488] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 366.143946][ T3488] ? __kasan_check_write+0x14/0x20 [ 366.149374][ T3488] ? _copy_from_iter+0x3fb/0xd60 [ 366.154439][ T3488] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 366.160671][ T3488] cgroup_file_write+0x28e/0x590 [ 366.165607][ T3488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 366.170715][ T3488] ? mutex_trylock+0x180/0x180 [ 366.175879][ T3488] ? __kasan_check_write+0x14/0x20 [ 366.181247][ T3488] kernfs_fop_write_iter+0x2d0/0x410 [ 366.186542][ T3488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 366.192165][ T3488] vfs_write+0xc4a/0xf80 [ 366.198078][ T3488] ? kernel_write+0x420/0x420 [ 366.202948][ T3488] ? mutex_lock+0xb2/0x1e0 [ 366.207448][ T3488] ? mutex_trylock+0x180/0x180 [ 366.212761][ T3488] ? __fdget_pos+0x26d/0x310 [ 366.217877][ T3488] ? ksys_write+0x77/0x2c0 [ 366.222864][ T3488] ksys_write+0x198/0x2c0 [ 366.227360][ T3488] ? __ia32_sys_read+0x90/0x90 [ 366.237469][ T3488] ? debug_smp_processor_id+0x17/0x20 [ 366.243098][ T3488] __x64_sys_write+0x7b/0x90 [ 366.247859][ T3488] do_syscall_64+0x34/0x70 [ 366.252586][ T3488] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 366.258566][ T3488] RIP: 0033:0x7f85191c4049 [ 366.263065][ T3488] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 366.283452][ T3488] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 366.291979][ T3488] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 366.299937][ T3488] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 366.308172][ T3488] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 366.316600][ T3488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 366.324829][ T3488] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 366.333374][ T3492] FAULT_INJECTION: forcing a failure. [ 366.333374][ T3492] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 366.335624][ T3490] FAULT_INJECTION: forcing a failure. [ 366.335624][ T3490] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 366.347840][ T3487] FAULT_INJECTION: forcing a failure. [ 366.347840][ T3487] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 366.361126][ T3495] FAULT_INJECTION: forcing a failure. [ 366.361126][ T3495] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 366.374711][ T3492] CPU: 0 PID: 3492 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 366.389180][ T3496] FAULT_INJECTION: forcing a failure. [ 366.389180][ T3496] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 366.398934][ T3492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 366.398939][ T3492] Call Trace: [ 366.398956][ T3492] dump_stack_lvl+0x1e2/0x24b [ 366.398967][ T3492] ? bfq_pos_tree_add_move+0x43e/0x43e [ 366.398977][ T3492] ? vsnprintf+0x1fa/0x1cd0 [ 366.398988][ T3492] dump_stack+0x15/0x17 [ 366.398998][ T3492] should_fail+0x3c0/0x510 [ 366.399009][ T3492] should_fail_usercopy+0x1a/0x20 [ 366.399018][ T3492] _copy_from_user+0x20/0xd0 [ 366.399035][ T3492] kstrtouint_from_user+0xd7/0x2b0 [ 366.464961][ T3492] ? kstrtol_from_user+0x310/0x310 [ 366.470504][ T3492] ? snprintf+0xd6/0x120 [ 366.474812][ T3492] ? avc_policy_seqno+0x1b/0x70 [ 366.479745][ T3492] ? selinux_file_permission+0x2a9/0x520 [ 366.485366][ T3492] proc_fail_nth_write+0xa5/0x290 [ 366.490544][ T3492] ? security_file_permission+0x9d/0xc0 [ 366.496156][ T3492] ? proc_fail_nth_read+0x220/0x220 [ 366.501611][ T3492] ? security_file_permission+0xa8/0xc0 [ 366.507243][ T3492] ? rw_verify_area+0x1c2/0x360 [ 366.512343][ T3492] ? proc_fail_nth_read+0x220/0x220 [ 366.518054][ T3492] vfs_write+0x39b/0xf80 [ 366.522573][ T3492] ? kernel_write+0x420/0x420 [ 366.527243][ T3492] ? __kasan_check_write+0x14/0x20 [ 366.532414][ T3492] ? mutex_lock+0xb2/0x1e0 [ 366.536895][ T3492] ? mutex_trylock+0x180/0x180 [ 366.541918][ T3492] ? __fdget_pos+0x26d/0x310 [ 366.546492][ T3492] ? ksys_write+0x77/0x2c0 [ 366.551254][ T3492] ksys_write+0x198/0x2c0 [ 366.555655][ T3492] ? __kasan_check_write+0x14/0x20 [ 366.560927][ T3492] ? __ia32_sys_read+0x90/0x90 [ 366.565958][ T3492] ? debug_smp_processor_id+0x17/0x20 [ 366.571329][ T3492] __x64_sys_write+0x7b/0x90 [ 366.576259][ T3492] do_syscall_64+0x34/0x70 [ 366.580912][ T3492] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 366.586975][ T3492] RIP: 0033:0x7f022ab05b5f [ 366.591369][ T3492] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 366.611404][ T3492] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 366.620836][ T3492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 366.629236][ T3492] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 366.637205][ T3492] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 366.646390][ T3492] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 366.654848][ T3492] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 366.664962][ T3496] CPU: 0 PID: 3496 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 366.675842][ T3496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 366.686689][ T3496] Call Trace: [ 366.690152][ T3496] dump_stack_lvl+0x1e2/0x24b [ 366.695572][ T3496] ? bfq_pos_tree_add_move+0x43e/0x43e [ 366.701412][ T3496] ? vsnprintf+0x1fa/0x1cd0 [ 366.705989][ T3496] dump_stack+0x15/0x17 [ 366.710216][ T3496] should_fail+0x3c0/0x510 [ 366.714845][ T3496] should_fail_usercopy+0x1a/0x20 [ 366.719857][ T3496] _copy_from_user+0x20/0xd0 [ 366.724429][ T3496] kstrtouint_from_user+0xd7/0x2b0 [ 366.730013][ T3496] ? kstrtol_from_user+0x310/0x310 [ 366.735475][ T3496] ? snprintf+0xd6/0x120 [ 366.739787][ T3496] ? avc_policy_seqno+0x1b/0x70 [ 366.744614][ T3496] ? selinux_file_permission+0x2a9/0x520 [ 366.750336][ T3496] proc_fail_nth_write+0xa5/0x290 [ 366.755539][ T3496] ? security_file_permission+0x9d/0xc0 [ 366.761345][ T3496] ? proc_fail_nth_read+0x220/0x220 [ 366.766532][ T3496] ? security_file_permission+0xa8/0xc0 [ 366.772059][ T3496] ? rw_verify_area+0x1c2/0x360 [ 366.777001][ T3496] ? proc_fail_nth_read+0x220/0x220 [ 366.782361][ T3496] vfs_write+0x39b/0xf80 [ 366.786698][ T3496] ? kernel_write+0x420/0x420 [ 366.791462][ T3496] ? __kasan_check_write+0x14/0x20 [ 366.796554][ T3496] ? mutex_lock+0xb2/0x1e0 [ 366.800981][ T3496] ? mutex_trylock+0x180/0x180 [ 366.805728][ T3496] ? __fdget_pos+0x26d/0x310 [ 366.810391][ T3496] ? ksys_write+0x77/0x2c0 [ 366.814887][ T3496] ksys_write+0x198/0x2c0 [ 366.819290][ T3496] ? __kasan_check_write+0x14/0x20 [ 366.824655][ T3496] ? __ia32_sys_read+0x90/0x90 [ 366.829402][ T3496] ? debug_smp_processor_id+0x17/0x20 [ 366.834945][ T3496] __x64_sys_write+0x7b/0x90 [ 366.840138][ T3496] do_syscall_64+0x34/0x70 [ 366.844740][ T3496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 366.850973][ T3496] RIP: 0033:0x7f869ba6eb5f [ 366.855554][ T3496] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 366.875336][ T3496] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 366.883828][ T3496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 366.891783][ T3496] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 366.899825][ T3496] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 366.907780][ T3496] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 366.915742][ T3496] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 366.923846][ T3490] CPU: 1 PID: 3490 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 366.934179][ T3490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 366.944400][ T3490] Call Trace: [ 366.947679][ T3490] dump_stack_lvl+0x1e2/0x24b [ 366.952517][ T3490] ? bfq_pos_tree_add_move+0x43e/0x43e [ 366.957952][ T3490] ? vsnprintf+0x1fa/0x1cd0 [ 366.962610][ T3490] dump_stack+0x15/0x17 [ 366.966865][ T3490] should_fail+0x3c0/0x510 [ 366.971579][ T3490] should_fail_usercopy+0x1a/0x20 [ 366.976689][ T3490] _copy_from_user+0x20/0xd0 [ 366.981451][ T3490] kstrtouint_from_user+0xd7/0x2b0 [ 366.986736][ T3490] ? kstrtol_from_user+0x310/0x310 [ 366.991927][ T3490] ? snprintf+0xd6/0x120 [ 366.996691][ T3490] ? avc_policy_seqno+0x1b/0x70 [ 367.001901][ T3490] ? selinux_file_permission+0x2a9/0x520 [ 367.007983][ T3490] proc_fail_nth_write+0xa5/0x290 [ 367.013294][ T3490] ? security_file_permission+0x9d/0xc0 [ 367.018928][ T3490] ? proc_fail_nth_read+0x220/0x220 [ 367.024125][ T3490] ? security_file_permission+0xa8/0xc0 [ 367.029831][ T3490] ? rw_verify_area+0x1c2/0x360 [ 367.034923][ T3490] ? proc_fail_nth_read+0x220/0x220 [ 367.040276][ T3490] vfs_write+0x39b/0xf80 [ 367.044616][ T3490] ? kernel_write+0x420/0x420 [ 367.049286][ T3490] ? __kasan_check_write+0x14/0x20 [ 367.054554][ T3490] ? mutex_lock+0xb2/0x1e0 [ 367.059044][ T3490] ? mutex_trylock+0x180/0x180 [ 367.063969][ T3490] ? __fdget_pos+0x26d/0x310 [ 367.068642][ T3490] ? ksys_write+0x77/0x2c0 [ 367.073048][ T3490] ksys_write+0x198/0x2c0 [ 367.077369][ T3490] ? __kasan_check_write+0x14/0x20 [ 367.082563][ T3490] ? __ia32_sys_read+0x90/0x90 [ 367.087376][ T3490] ? debug_smp_processor_id+0x17/0x20 [ 367.092824][ T3490] __x64_sys_write+0x7b/0x90 [ 367.097396][ T3490] do_syscall_64+0x34/0x70 [ 367.101953][ T3490] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 367.108295][ T3490] RIP: 0033:0x7f6ebe0d0b5f [ 367.112877][ T3490] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 367.132564][ T3490] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 367.141375][ T3490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 367.149523][ T3490] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 367.157483][ T3490] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 367.165539][ T3490] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 367.173751][ T3490] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 367.181843][ T3487] CPU: 0 PID: 3487 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 367.192601][ T3487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 367.202842][ T3487] Call Trace: [ 367.206145][ T3487] dump_stack_lvl+0x1e2/0x24b [ 367.211153][ T3487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 367.216609][ T3487] ? vsnprintf+0x1fa/0x1cd0 [ 367.221740][ T3487] dump_stack+0x15/0x17 [ 367.225993][ T3487] should_fail+0x3c0/0x510 [ 367.230481][ T3487] should_fail_usercopy+0x1a/0x20 [ 367.235593][ T3487] _copy_from_user+0x20/0xd0 [ 367.240161][ T3487] kstrtouint_from_user+0xd7/0x2b0 [ 367.245715][ T3487] ? kstrtol_from_user+0x310/0x310 [ 367.250800][ T3487] ? snprintf+0xd6/0x120 [ 367.255030][ T3487] ? avc_policy_seqno+0x1b/0x70 [ 367.259975][ T3487] ? selinux_file_permission+0x2a9/0x520 [ 367.265698][ T3487] proc_fail_nth_write+0xa5/0x290 [ 367.270716][ T3487] ? security_file_permission+0x9d/0xc0 [ 367.276335][ T3487] ? proc_fail_nth_read+0x220/0x220 [ 367.281510][ T3487] ? security_file_permission+0xa8/0xc0 [ 367.287122][ T3487] ? rw_verify_area+0x1c2/0x360 [ 367.292143][ T3487] ? proc_fail_nth_read+0x220/0x220 [ 367.297327][ T3487] vfs_write+0x39b/0xf80 [ 367.301547][ T3487] ? kernel_write+0x420/0x420 [ 367.306285][ T3487] ? __kasan_check_write+0x14/0x20 [ 367.311462][ T3487] ? mutex_lock+0xb2/0x1e0 [ 367.316026][ T3487] ? mutex_trylock+0x180/0x180 [ 367.320852][ T3487] ? __fdget_pos+0x26d/0x310 [ 367.325416][ T3487] ? ksys_write+0x77/0x2c0 [ 367.329847][ T3487] ksys_write+0x198/0x2c0 [ 367.334191][ T3487] ? __kasan_check_write+0x14/0x20 [ 367.339490][ T3487] ? __ia32_sys_read+0x90/0x90 [ 367.344328][ T3487] ? debug_smp_processor_id+0x17/0x20 [ 367.349674][ T3487] __x64_sys_write+0x7b/0x90 [ 367.354414][ T3487] do_syscall_64+0x34/0x70 [ 367.361463][ T3487] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 367.367996][ T3487] RIP: 0033:0x7f7d1c31ab5f [ 367.372748][ T3487] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 367.394452][ T3487] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 367.403205][ T3487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 367.411623][ T3487] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 367.419764][ T3487] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 367.428095][ T3487] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 367.436310][ T3487] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 367.445123][ T3499] FAULT_INJECTION: forcing a failure. [ 367.445123][ T3499] name failslab, interval 1, probability 0, space 0, times 0 [ 367.447148][ T3495] CPU: 0 PID: 3495 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 367.469151][ T3495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 367.479474][ T3495] Call Trace: [ 367.483075][ T3495] dump_stack_lvl+0x1e2/0x24b [ 367.487888][ T3495] ? bfq_pos_tree_add_move+0x43e/0x43e [ 367.494097][ T3495] ? vsnprintf+0x1fa/0x1cd0 [ 367.498739][ T3495] dump_stack+0x15/0x17 [ 367.502980][ T3495] should_fail+0x3c0/0x510 [ 367.507660][ T3495] should_fail_usercopy+0x1a/0x20 [ 367.512700][ T3495] _copy_from_user+0x20/0xd0 [ 367.517289][ T3495] kstrtouint_from_user+0xd7/0x2b0 [ 367.522700][ T3495] ? kstrtol_from_user+0x310/0x310 [ 367.527806][ T3495] ? snprintf+0xd6/0x120 [ 367.532134][ T3495] ? avc_policy_seqno+0x1b/0x70 [ 367.537168][ T3495] ? selinux_file_permission+0x2a9/0x520 [ 367.543182][ T3495] proc_fail_nth_write+0xa5/0x290 [ 367.548385][ T3495] ? security_file_permission+0x9d/0xc0 [ 367.554170][ T3495] ? proc_fail_nth_read+0x220/0x220 [ 367.559361][ T3495] ? security_file_permission+0xa8/0xc0 [ 367.564988][ T3495] ? rw_verify_area+0x1c2/0x360 [ 367.569941][ T3495] ? proc_fail_nth_read+0x220/0x220 [ 367.575306][ T3495] vfs_write+0x39b/0xf80 [ 367.579619][ T3495] ? kernel_write+0x420/0x420 [ 367.584575][ T3495] ? __kasan_check_write+0x14/0x20 [ 367.589885][ T3495] ? mutex_lock+0xb2/0x1e0 [ 367.594470][ T3495] ? mutex_trylock+0x180/0x180 [ 367.599313][ T3495] ? __fdget_pos+0x26d/0x310 [ 367.603907][ T3495] ? ksys_write+0x77/0x2c0 [ 367.608313][ T3495] ksys_write+0x198/0x2c0 [ 367.612892][ T3495] ? __kasan_check_write+0x14/0x20 [ 367.618182][ T3495] ? __ia32_sys_read+0x90/0x90 [ 367.623596][ T3495] ? debug_smp_processor_id+0x17/0x20 [ 367.628944][ T3495] __x64_sys_write+0x7b/0x90 [ 367.633596][ T3495] do_syscall_64+0x34/0x70 [ 367.637994][ T3495] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 367.643974][ T3495] RIP: 0033:0x7faa22393b5f [ 367.648731][ T3495] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 367.668832][ T3495] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 367.677719][ T3495] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 367.685926][ T3495] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 367.693969][ T3495] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 367.702009][ T3495] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 367.710391][ T3495] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 367.718985][ T3499] CPU: 0 PID: 3499 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 367.729662][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 367.739794][ T3499] Call Trace: [ 367.743067][ T3499] dump_stack_lvl+0x1e2/0x24b [ 367.747982][ T3499] ? panic+0x7d7/0x7d7 [ 367.752037][ T3499] ? bfq_pos_tree_add_move+0x43e/0x43e [ 367.757664][ T3499] ? find_next_bit+0xd6/0x120 [ 367.762407][ T3499] ? cpumask_next+0x11/0x30 [ 367.766972][ T3499] dump_stack+0x15/0x17 [ 367.771121][ T3499] should_fail+0x3c0/0x510 [ 367.775512][ T3499] ? percpu_ref_init+0xd0/0x340 [ 367.780869][ T3499] __should_failslab+0x9f/0xe0 [ 367.785727][ T3499] should_failslab+0x9/0x20 [ 367.790212][ T3499] kmem_cache_alloc_trace+0x3a/0x330 [ 367.795930][ T3499] percpu_ref_init+0xd0/0x340 [ 367.800685][ T3499] ? cgroup_setup_root+0xea0/0xea0 [ 367.805803][ T3499] cgroup_apply_control_enable+0x3a2/0x12f0 [ 367.811678][ T3499] ? cgroup_reconfigure+0xe0/0xe0 [ 367.816764][ T3499] cgroup_apply_control+0x8e/0x7e0 [ 367.821852][ T3499] ? css_next_child+0x160/0x160 [ 367.826695][ T3499] ? io_schedule+0x120/0x120 [ 367.831277][ T3499] ? kernfs_fop_write_iter+0x15e/0x410 [ 367.836709][ T3499] ? __kasan_check_write+0x14/0x20 [ 367.841971][ T3499] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 367.847229][ T3499] cgroup_subtree_control_write+0xd19/0x1310 [ 367.853286][ T3499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 367.859337][ T3499] ? __kasan_check_write+0x14/0x20 [ 367.864616][ T3499] ? _copy_from_iter+0x3fb/0xd60 [ 367.869623][ T3499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 367.875665][ T3499] cgroup_file_write+0x28e/0x590 [ 367.880605][ T3499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 367.885688][ T3499] ? mutex_trylock+0x180/0x180 [ 367.890688][ T3499] ? __kasan_check_write+0x14/0x20 [ 367.895774][ T3499] kernfs_fop_write_iter+0x2d0/0x410 [ 367.901045][ T3499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 367.906303][ T3499] vfs_write+0xc4a/0xf80 [ 367.910528][ T3499] ? kernel_write+0x420/0x420 [ 367.915442][ T3499] ? mutex_lock+0xb2/0x1e0 [ 367.920439][ T3499] ? mutex_trylock+0x180/0x180 [ 367.925180][ T3499] ? __fdget_pos+0x26d/0x310 [ 367.929918][ T3499] ? ksys_write+0x77/0x2c0 [ 367.934310][ T3499] ksys_write+0x198/0x2c0 [ 367.938703][ T3499] ? __ia32_sys_read+0x90/0x90 [ 367.943995][ T3499] ? debug_smp_processor_id+0x17/0x20 [ 367.949343][ T3499] __x64_sys_write+0x7b/0x90 [ 367.953914][ T3499] do_syscall_64+0x34/0x70 [ 367.958401][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 367.964590][ T3499] RIP: 0033:0x7f85191c4049 [ 367.968998][ T3499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 367.988847][ T3499] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 367.997237][ T3499] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 368.005189][ T3499] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 368.013146][ T3499] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 368.021177][ T3499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 368.029361][ T3499] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 368.046188][ T3503] FAULT_INJECTION: forcing a failure. [ 368.046188][ T3503] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 368.065528][ T3503] CPU: 0 PID: 3503 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 368.075081][ T3510] FAULT_INJECTION: forcing a failure. [ 368.075081][ T3510] name failslab, interval 1, probability 0, space 0, times 0 [ 368.076118][ T3503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 368.076123][ T3503] Call Trace: [ 368.076148][ T3503] dump_stack_lvl+0x1e2/0x24b [ 368.107150][ T3503] ? bfq_pos_tree_add_move+0x43e/0x43e [ 368.112994][ T3503] ? vsnprintf+0x1fa/0x1cd0 [ 368.117748][ T3503] dump_stack+0x15/0x17 [ 368.122076][ T3503] should_fail+0x3c0/0x510 [ 368.126573][ T3503] should_fail_usercopy+0x1a/0x20 [ 368.132204][ T3503] _copy_from_user+0x20/0xd0 [ 368.136959][ T3503] kstrtouint_from_user+0xd7/0x2b0 [ 368.142167][ T3503] ? kstrtol_from_user+0x310/0x310 [ 368.147447][ T3503] ? snprintf+0xd6/0x120 [ 368.151867][ T3503] ? avc_policy_seqno+0x1b/0x70 [ 368.157088][ T3503] ? selinux_file_permission+0x2a9/0x520 [ 368.162736][ T3503] proc_fail_nth_write+0xa5/0x290 [ 368.167845][ T3503] ? security_file_permission+0x9d/0xc0 [ 368.173378][ T3503] ? proc_fail_nth_read+0x220/0x220 [ 368.178649][ T3503] ? security_file_permission+0xa8/0xc0 [ 368.184193][ T3503] ? rw_verify_area+0x1c2/0x360 [ 368.189211][ T3503] ? proc_fail_nth_read+0x220/0x220 [ 368.194744][ T3503] vfs_write+0x39b/0xf80 [ 368.199060][ T3503] ? kernel_write+0x420/0x420 [ 368.203981][ T3503] ? __kasan_check_write+0x14/0x20 [ 368.209249][ T3503] ? mutex_lock+0xb2/0x1e0 [ 368.214130][ T3503] ? mutex_trylock+0x180/0x180 [ 368.219042][ T3503] ? __fdget_pos+0x26d/0x310 [ 368.223702][ T3503] ? ksys_write+0x77/0x2c0 [ 368.228102][ T3503] ksys_write+0x198/0x2c0 [ 368.232507][ T3503] ? __kasan_check_write+0x14/0x20 [ 368.237604][ T3503] ? __ia32_sys_read+0x90/0x90 [ 368.243087][ T3503] ? debug_smp_processor_id+0x17/0x20 [ 368.248476][ T3503] __x64_sys_write+0x7b/0x90 [ 368.253046][ T3503] do_syscall_64+0x34/0x70 [ 368.257448][ T3503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 368.263324][ T3503] RIP: 0033:0x7f022ab05b5f [ 368.268007][ T3503] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 368.287833][ T3503] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 368.296437][ T3503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 368.305190][ T3503] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 368.313235][ T3503] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 368.321292][ T3503] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 368.329350][ T3503] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 368.337575][ T3510] CPU: 1 PID: 3510 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 368.348714][ T3510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 368.358965][ T3510] Call Trace: [ 368.362262][ T3510] dump_stack_lvl+0x1e2/0x24b [ 368.367040][ T3510] ? panic+0x7d7/0x7d7 [ 368.371096][ T3510] ? bfq_pos_tree_add_move+0x43e/0x43e [ 368.376686][ T3510] ? find_next_bit+0xd6/0x120 [ 368.381552][ T3510] ? cpumask_next+0x11/0x30 [ 368.386212][ T3510] dump_stack+0x15/0x17 [ 368.390622][ T3510] should_fail+0x3c0/0x510 [ 368.395194][ T3510] ? percpu_ref_init+0xd0/0x340 [ 368.400296][ T3510] __should_failslab+0x9f/0xe0 [ 368.405070][ T3510] should_failslab+0x9/0x20 [ 368.409827][ T3510] kmem_cache_alloc_trace+0x3a/0x330 [ 368.415463][ T3510] percpu_ref_init+0xd0/0x340 [ 368.420336][ T3510] ? cgroup_setup_root+0xea0/0xea0 [ 368.427620][ T3510] cgroup_apply_control_enable+0x3a2/0x12f0 [ 368.434355][ T3510] ? cgroup_reconfigure+0xe0/0xe0 [ 368.440000][ T3510] cgroup_apply_control+0x8e/0x7e0 [ 368.446096][ T3510] ? css_next_child+0x160/0x160 [ 368.452356][ T3510] ? io_schedule+0x120/0x120 [ 368.457384][ T3510] ? kernfs_fop_write_iter+0x15e/0x410 [ 368.463468][ T3510] ? __kasan_check_write+0x14/0x20 [ 368.469636][ T3510] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 368.475371][ T3510] cgroup_subtree_control_write+0xd19/0x1310 [ 368.481653][ T3510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 368.488355][ T3510] ? __kasan_check_write+0x14/0x20 [ 368.494071][ T3510] ? _copy_from_iter+0x3fb/0xd60 [ 368.499625][ T3510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 368.505993][ T3510] cgroup_file_write+0x28e/0x590 [ 368.511278][ T3510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 368.516411][ T3510] ? mutex_trylock+0x180/0x180 [ 368.521266][ T3510] ? __kasan_check_write+0x14/0x20 [ 368.526716][ T3510] kernfs_fop_write_iter+0x2d0/0x410 [ 368.532075][ T3510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 368.537742][ T3510] vfs_write+0xc4a/0xf80 [ 368.542380][ T3510] ? kernel_write+0x420/0x420 [ 368.547155][ T3510] ? mutex_lock+0xb2/0x1e0 [ 368.551568][ T3510] ? mutex_trylock+0x180/0x180 [ 368.556353][ T3510] ? __fdget_pos+0x26d/0x310 [ 368.561825][ T3510] ? ksys_write+0x77/0x2c0 [ 368.566424][ T3510] ksys_write+0x198/0x2c0 [ 368.571001][ T3510] ? __ia32_sys_read+0x90/0x90 [ 368.575934][ T3510] ? debug_smp_processor_id+0x17/0x20 [ 368.582018][ T3510] __x64_sys_write+0x7b/0x90 [ 368.587111][ T3510] do_syscall_64+0x34/0x70 [ 368.592288][ T3510] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 368.598323][ T3510] RIP: 0033:0x7f85191c4049 [ 368.602979][ T3510] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 368.623832][ T3510] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 368.632313][ T3510] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 368.640561][ T3510] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 368.649270][ T3510] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 368.658783][ T3510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 368.667673][ T3510] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 368.680030][ T3504] FAULT_INJECTION: forcing a failure. [ 368.680030][ T3504] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 368.680038][ T3507] FAULT_INJECTION: forcing a failure. [ 368.680038][ T3507] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 368.680057][ T3507] CPU: 0 PID: 3507 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 368.695977][ T3505] FAULT_INJECTION: forcing a failure. [ 368.695977][ T3505] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 368.707060][ T3507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 368.707065][ T3507] Call Trace: [ 368.707085][ T3507] dump_stack_lvl+0x1e2/0x24b [ 368.707094][ T3507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 368.707120][ T3507] ? vsnprintf+0x1fa/0x1cd0 [ 368.719526][ T3511] FAULT_INJECTION: forcing a failure. [ 368.719526][ T3511] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 368.730707][ T3507] dump_stack+0x15/0x17 [ 368.730718][ T3507] should_fail+0x3c0/0x510 [ 368.730727][ T3507] should_fail_usercopy+0x1a/0x20 [ 368.730746][ T3507] _copy_from_user+0x20/0xd0 [ 368.793621][ T3507] kstrtouint_from_user+0xd7/0x2b0 [ 368.798806][ T3507] ? kstrtol_from_user+0x310/0x310 [ 368.803903][ T3507] ? snprintf+0xd6/0x120 [ 368.808145][ T3507] ? avc_policy_seqno+0x1b/0x70 [ 368.812977][ T3507] ? selinux_file_permission+0x2a9/0x520 [ 368.818588][ T3507] proc_fail_nth_write+0xa5/0x290 [ 368.823634][ T3507] ? security_file_permission+0x9d/0xc0 [ 368.829253][ T3507] ? proc_fail_nth_read+0x220/0x220 [ 368.834570][ T3507] ? security_file_permission+0xa8/0xc0 [ 368.840226][ T3507] ? rw_verify_area+0x1c2/0x360 [ 368.845681][ T3507] ? proc_fail_nth_read+0x220/0x220 [ 368.851144][ T3507] vfs_write+0x39b/0xf80 [ 368.855377][ T3507] ? kernel_write+0x420/0x420 [ 368.860129][ T3507] ? __kasan_check_write+0x14/0x20 [ 368.865828][ T3507] ? mutex_lock+0xb2/0x1e0 [ 368.870339][ T3507] ? mutex_trylock+0x180/0x180 [ 368.875189][ T3507] ? __fdget_pos+0x26d/0x310 [ 368.879760][ T3507] ? ksys_write+0x77/0x2c0 [ 368.884521][ T3507] ksys_write+0x198/0x2c0 [ 368.889030][ T3507] ? __kasan_check_write+0x14/0x20 [ 368.894207][ T3507] ? __ia32_sys_read+0x90/0x90 [ 368.899320][ T3507] ? debug_smp_processor_id+0x17/0x20 [ 368.904772][ T3507] __x64_sys_write+0x7b/0x90 [ 368.909430][ T3507] do_syscall_64+0x34/0x70 [ 368.914008][ T3507] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 368.919878][ T3507] RIP: 0033:0x7f6ebe0d0b5f [ 368.924276][ T3507] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 368.944382][ T3507] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 368.952953][ T3507] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 368.962053][ T3507] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 368.970182][ T3507] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 368.978417][ T3507] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 368.986460][ T3507] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 368.994440][ T3505] CPU: 1 PID: 3505 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 369.004852][ T3505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 369.014980][ T3505] Call Trace: [ 369.018269][ T3505] dump_stack_lvl+0x1e2/0x24b [ 369.022936][ T3505] ? bfq_pos_tree_add_move+0x43e/0x43e [ 369.028738][ T3505] ? vsnprintf+0x1fa/0x1cd0 [ 369.033304][ T3505] dump_stack+0x15/0x17 [ 369.037437][ T3505] should_fail+0x3c0/0x510 [ 369.041853][ T3505] should_fail_usercopy+0x1a/0x20 [ 369.046949][ T3505] _copy_from_user+0x20/0xd0 [ 369.051602][ T3505] kstrtouint_from_user+0xd7/0x2b0 [ 369.056777][ T3505] ? kstrtol_from_user+0x310/0x310 [ 369.062156][ T3505] ? snprintf+0xd6/0x120 [ 369.066701][ T3505] ? avc_policy_seqno+0x1b/0x70 [ 369.071552][ T3505] ? selinux_file_permission+0x2a9/0x520 [ 369.077172][ T3505] proc_fail_nth_write+0xa5/0x290 [ 369.082179][ T3505] ? security_file_permission+0x9d/0xc0 [ 369.087798][ T3505] ? proc_fail_nth_read+0x220/0x220 [ 369.092980][ T3505] ? security_file_permission+0xa8/0xc0 [ 369.098588][ T3505] ? rw_verify_area+0x1c2/0x360 [ 369.103970][ T3505] ? proc_fail_nth_read+0x220/0x220 [ 369.109250][ T3505] vfs_write+0x39b/0xf80 [ 369.113475][ T3505] ? kernel_write+0x420/0x420 [ 369.118408][ T3505] ? __kasan_check_write+0x14/0x20 [ 369.123533][ T3505] ? mutex_lock+0xb2/0x1e0 [ 369.127936][ T3505] ? mutex_trylock+0x180/0x180 [ 369.132874][ T3505] ? __fdget_pos+0x26d/0x310 [ 369.137746][ T3505] ? ksys_write+0x77/0x2c0 [ 369.142141][ T3505] ksys_write+0x198/0x2c0 [ 369.146454][ T3505] ? __kasan_check_write+0x14/0x20 [ 369.151625][ T3505] ? __ia32_sys_read+0x90/0x90 [ 369.156490][ T3505] ? debug_smp_processor_id+0x17/0x20 [ 369.162793][ T3505] __x64_sys_write+0x7b/0x90 [ 369.167805][ T3505] do_syscall_64+0x34/0x70 [ 369.172480][ T3505] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 369.178567][ T3505] RIP: 0033:0x7f869ba6eb5f [ 369.182960][ T3505] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 369.204497][ T3505] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 369.213102][ T3505] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 369.221346][ T3505] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 369.229783][ T3505] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 369.238004][ T3505] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 369.246129][ T3505] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 369.255150][ T3504] CPU: 0 PID: 3504 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 369.265577][ T3504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 369.275636][ T3504] Call Trace: 2022/08/30 17:01:50 executed programs: 1389 [ 369.279021][ T3504] dump_stack_lvl+0x1e2/0x24b [ 369.283703][ T3504] ? bfq_pos_tree_add_move+0x43e/0x43e [ 369.289168][ T3504] ? vsnprintf+0x1fa/0x1cd0 [ 369.293677][ T3504] dump_stack+0x15/0x17 [ 369.297798][ T3517] FAULT_INJECTION: forcing a failure. [ 369.297798][ T3517] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 369.297963][ T3504] should_fail+0x3c0/0x510 [ 369.311981][ T3518] FAULT_INJECTION: forcing a failure. [ 369.311981][ T3518] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 369.315577][ T3504] should_fail_usercopy+0x1a/0x20 [ 369.315589][ T3504] _copy_from_user+0x20/0xd0 [ 369.315607][ T3504] kstrtouint_from_user+0xd7/0x2b0 [ 369.338817][ T3520] FAULT_INJECTION: forcing a failure. [ 369.338817][ T3520] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 369.343656][ T3504] ? kstrtol_from_user+0x310/0x310 [ 369.343667][ T3504] ? snprintf+0xd6/0x120 [ 369.343679][ T3504] ? avc_policy_seqno+0x1b/0x70 [ 369.343699][ T3504] ? selinux_file_permission+0x2a9/0x520 [ 369.379181][ T3504] proc_fail_nth_write+0xa5/0x290 [ 369.384298][ T3504] ? security_file_permission+0x9d/0xc0 [ 369.390125][ T3504] ? proc_fail_nth_read+0x220/0x220 [ 369.395660][ T3504] ? security_file_permission+0xa8/0xc0 [ 369.401380][ T3504] ? rw_verify_area+0x1c2/0x360 [ 369.406410][ T3504] ? proc_fail_nth_read+0x220/0x220 [ 369.411957][ T3504] vfs_write+0x39b/0xf80 [ 369.416799][ T3504] ? kernel_write+0x420/0x420 [ 369.421549][ T3504] ? __kasan_check_write+0x14/0x20 [ 369.426644][ T3504] ? mutex_lock+0xb2/0x1e0 [ 369.431129][ T3504] ? mutex_trylock+0x180/0x180 [ 369.436175][ T3504] ? __fdget_pos+0x26d/0x310 [ 369.440837][ T3504] ? ksys_write+0x77/0x2c0 [ 369.445255][ T3504] ksys_write+0x198/0x2c0 [ 369.449681][ T3504] ? __kasan_check_write+0x14/0x20 [ 369.454773][ T3504] ? __ia32_sys_read+0x90/0x90 [ 369.459731][ T3504] ? debug_smp_processor_id+0x17/0x20 [ 369.465612][ T3504] __x64_sys_write+0x7b/0x90 [ 369.470367][ T3504] do_syscall_64+0x34/0x70 [ 369.474810][ T3504] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 369.480799][ T3504] RIP: 0033:0x7f7d1c31ab5f [ 369.485201][ T3504] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 369.505059][ T3504] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 369.513466][ T3504] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 369.521442][ T3504] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 369.529407][ T3504] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 369.537375][ T3504] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 369.545337][ T3504] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 369.553388][ T3511] CPU: 1 PID: 3511 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 369.562138][ T3521] FAULT_INJECTION: forcing a failure. [ 369.562138][ T3521] name failslab, interval 1, probability 0, space 0, times 0 [ 369.563706][ T3511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 369.586672][ T3511] Call Trace: [ 369.589948][ T3511] dump_stack_lvl+0x1e2/0x24b [ 369.594658][ T3511] ? bfq_pos_tree_add_move+0x43e/0x43e [ 369.600181][ T3511] ? vsnprintf+0x1fa/0x1cd0 [ 369.604667][ T3511] dump_stack+0x15/0x17 [ 369.608827][ T3511] should_fail+0x3c0/0x510 [ 369.613219][ T3511] should_fail_usercopy+0x1a/0x20 [ 369.618242][ T3511] _copy_from_user+0x20/0xd0 [ 369.622812][ T3511] kstrtouint_from_user+0xd7/0x2b0 [ 369.628104][ T3511] ? kstrtol_from_user+0x310/0x310 [ 369.633290][ T3511] ? snprintf+0xd6/0x120 [ 369.637852][ T3511] ? avc_policy_seqno+0x1b/0x70 [ 369.642991][ T3511] ? selinux_file_permission+0x2a9/0x520 [ 369.648707][ T3511] proc_fail_nth_write+0xa5/0x290 [ 369.654088][ T3511] ? security_file_permission+0x9d/0xc0 [ 369.660086][ T3511] ? proc_fail_nth_read+0x220/0x220 [ 369.665489][ T3511] ? security_file_permission+0xa8/0xc0 [ 369.671042][ T3511] ? rw_verify_area+0x1c2/0x360 [ 369.676147][ T3511] ? proc_fail_nth_read+0x220/0x220 [ 369.681414][ T3511] vfs_write+0x39b/0xf80 [ 369.686165][ T3511] ? kernel_write+0x420/0x420 [ 369.690925][ T3511] ? __kasan_check_write+0x14/0x20 [ 369.696207][ T3511] ? mutex_lock+0xb2/0x1e0 [ 369.700697][ T3511] ? mutex_trylock+0x180/0x180 [ 369.705537][ T3511] ? __fdget_pos+0x26d/0x310 [ 369.710350][ T3511] ? ksys_write+0x77/0x2c0 [ 369.714838][ T3511] ksys_write+0x198/0x2c0 [ 369.719351][ T3511] ? __kasan_check_write+0x14/0x20 [ 369.724537][ T3511] ? __ia32_sys_read+0x90/0x90 [ 369.729633][ T3511] ? debug_smp_processor_id+0x17/0x20 [ 369.734999][ T3511] __x64_sys_write+0x7b/0x90 [ 369.739572][ T3511] do_syscall_64+0x34/0x70 [ 369.743978][ T3511] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 369.749934][ T3511] RIP: 0033:0x7faa22393b5f [ 369.754331][ T3511] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 369.774484][ T3511] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 369.783081][ T3511] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 369.791035][ T3511] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 369.798992][ T3511] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 369.806960][ T3511] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 369.814914][ T3511] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 369.823104][ T3521] CPU: 0 PID: 3521 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 369.833540][ T3521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 369.843672][ T3521] Call Trace: [ 369.847045][ T3521] dump_stack_lvl+0x1e2/0x24b [ 369.851978][ T3521] ? panic+0x7d7/0x7d7 [ 369.856079][ T3521] ? bfq_pos_tree_add_move+0x43e/0x43e [ 369.861606][ T3521] ? find_next_bit+0xd6/0x120 [ 369.866358][ T3521] ? cpumask_next+0x11/0x30 [ 369.871129][ T3521] dump_stack+0x15/0x17 [ 369.875272][ T3521] should_fail+0x3c0/0x510 [ 369.879676][ T3521] ? percpu_ref_init+0xd0/0x340 [ 369.884508][ T3521] __should_failslab+0x9f/0xe0 [ 369.889434][ T3521] should_failslab+0x9/0x20 [ 369.893919][ T3521] kmem_cache_alloc_trace+0x3a/0x330 [ 369.899272][ T3521] percpu_ref_init+0xd0/0x340 [ 369.903951][ T3521] ? cgroup_setup_root+0xea0/0xea0 [ 369.909226][ T3521] cgroup_apply_control_enable+0x3a2/0x12f0 [ 369.915103][ T3521] ? cgroup_reconfigure+0xe0/0xe0 [ 369.920200][ T3521] cgroup_apply_control+0x8e/0x7e0 [ 369.925297][ T3521] ? css_next_child+0x160/0x160 [ 369.930404][ T3521] ? io_schedule+0x120/0x120 [ 369.935081][ T3521] ? kernfs_fop_write_iter+0x15e/0x410 [ 369.940612][ T3521] ? __kasan_check_write+0x14/0x20 [ 369.945794][ T3521] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 369.951683][ T3521] cgroup_subtree_control_write+0xd19/0x1310 [ 369.957834][ T3521] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 369.963811][ T3521] ? __kasan_check_write+0x14/0x20 [ 369.969169][ T3521] ? _copy_from_iter+0x3fb/0xd60 [ 369.974454][ T3521] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 369.980877][ T3521] cgroup_file_write+0x28e/0x590 [ 369.985896][ T3521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 369.991074][ T3521] ? mutex_trylock+0x180/0x180 [ 369.996266][ T3521] ? __kasan_check_write+0x14/0x20 [ 370.001371][ T3521] kernfs_fop_write_iter+0x2d0/0x410 [ 370.006648][ T3521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 370.011747][ T3521] vfs_write+0xc4a/0xf80 [ 370.015970][ T3521] ? kernel_write+0x420/0x420 [ 370.020629][ T3521] ? mutex_lock+0xb2/0x1e0 [ 370.025267][ T3521] ? mutex_trylock+0x180/0x180 [ 370.030210][ T3521] ? __fdget_pos+0x26d/0x310 [ 370.034890][ T3521] ? ksys_write+0x77/0x2c0 [ 370.039380][ T3521] ksys_write+0x198/0x2c0 [ 370.043871][ T3521] ? __ia32_sys_read+0x90/0x90 [ 370.048714][ T3521] ? debug_smp_processor_id+0x17/0x20 [ 370.054600][ T3521] __x64_sys_write+0x7b/0x90 [ 370.059264][ T3521] do_syscall_64+0x34/0x70 [ 370.063866][ T3521] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 370.070435][ T3521] RIP: 0033:0x7f85191c4049 [ 370.074836][ T3521] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 370.094740][ T3521] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 370.103232][ T3521] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 370.112546][ T3521] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 370.120710][ T3521] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 370.129287][ T3521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 370.138672][ T3521] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 370.146949][ T3520] CPU: 1 PID: 3520 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 370.157626][ T3520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 370.167763][ T3520] Call Trace: [ 370.171399][ T3520] dump_stack_lvl+0x1e2/0x24b [ 370.176237][ T3520] ? bfq_pos_tree_add_move+0x43e/0x43e [ 370.181861][ T3520] ? vsnprintf+0x1fa/0x1cd0 [ 370.186630][ T3520] dump_stack+0x15/0x17 [ 370.190793][ T3520] should_fail+0x3c0/0x510 [ 370.196330][ T3520] should_fail_usercopy+0x1a/0x20 [ 370.204403][ T3520] _copy_from_user+0x20/0xd0 [ 370.211925][ T3520] kstrtouint_from_user+0xd7/0x2b0 [ 370.217827][ T3520] ? kstrtol_from_user+0x310/0x310 [ 370.223617][ T3520] ? snprintf+0xd6/0x120 [ 370.228362][ T3520] ? avc_policy_seqno+0x1b/0x70 [ 370.233325][ T3520] ? selinux_file_permission+0x2a9/0x520 [ 370.239708][ T3520] proc_fail_nth_write+0xa5/0x290 [ 370.245263][ T3520] ? security_file_permission+0x9d/0xc0 [ 370.251353][ T3520] ? proc_fail_nth_read+0x220/0x220 [ 370.256525][ T3520] ? security_file_permission+0xa8/0xc0 [ 370.262062][ T3520] ? rw_verify_area+0x1c2/0x360 [ 370.267079][ T3520] ? proc_fail_nth_read+0x220/0x220 [ 370.272363][ T3520] vfs_write+0x39b/0xf80 [ 370.276601][ T3520] ? kernel_write+0x420/0x420 [ 370.281257][ T3520] ? __kasan_check_write+0x14/0x20 [ 370.286711][ T3520] ? mutex_lock+0xb2/0x1e0 [ 370.291126][ T3520] ? mutex_trylock+0x180/0x180 [ 370.295922][ T3520] ? __fdget_pos+0x26d/0x310 [ 370.300986][ T3520] ? ksys_write+0x77/0x2c0 [ 370.305481][ T3520] ksys_write+0x198/0x2c0 [ 370.310253][ T3520] ? __ia32_sys_read+0x90/0x90 [ 370.315136][ T3520] ? debug_smp_processor_id+0x17/0x20 [ 370.320593][ T3520] __x64_sys_write+0x7b/0x90 [ 370.325366][ T3520] do_syscall_64+0x34/0x70 [ 370.329946][ T3520] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 370.336080][ T3520] RIP: 0033:0x7f6ebe0d0b5f [ 370.341086][ T3520] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 370.362088][ T3520] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 370.370667][ T3520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 370.379262][ T3520] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 370.387583][ T3520] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 370.396150][ T3520] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 370.404522][ T3520] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 370.413032][ T3518] CPU: 0 PID: 3518 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 370.423867][ T3518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 370.434182][ T3518] Call Trace: [ 370.437809][ T3518] dump_stack_lvl+0x1e2/0x24b [ 370.442632][ T3518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 370.449150][ T3518] ? vsnprintf+0x1fa/0x1cd0 [ 370.454188][ T3518] dump_stack+0x15/0x17 [ 370.458591][ T3518] should_fail+0x3c0/0x510 [ 370.463529][ T3518] should_fail_usercopy+0x1a/0x20 [ 370.468820][ T3518] _copy_from_user+0x20/0xd0 [ 370.473418][ T3518] kstrtouint_from_user+0xd7/0x2b0 [ 370.479148][ T3518] ? kstrtol_from_user+0x310/0x310 [ 370.485675][ T3518] ? snprintf+0xd6/0x120 [ 370.490246][ T3518] ? avc_policy_seqno+0x1b/0x70 [ 370.495112][ T3518] ? selinux_file_permission+0x2a9/0x520 [ 370.501146][ T3518] proc_fail_nth_write+0xa5/0x290 [ 370.506389][ T3518] ? security_file_permission+0x9d/0xc0 [ 370.512578][ T3518] ? proc_fail_nth_read+0x220/0x220 [ 370.518141][ T3518] ? security_file_permission+0xa8/0xc0 [ 370.523965][ T3518] ? rw_verify_area+0x1c2/0x360 [ 370.529002][ T3518] ? proc_fail_nth_read+0x220/0x220 [ 370.534375][ T3518] vfs_write+0x39b/0xf80 [ 370.538608][ T3518] ? kernel_write+0x420/0x420 [ 370.543378][ T3518] ? __kasan_check_write+0x14/0x20 [ 370.548836][ T3518] ? mutex_lock+0xb2/0x1e0 [ 370.553405][ T3518] ? mutex_trylock+0x180/0x180 [ 370.558269][ T3518] ? __fdget_pos+0x26d/0x310 [ 370.562836][ T3518] ? ksys_write+0x77/0x2c0 [ 370.567364][ T3518] ksys_write+0x198/0x2c0 [ 370.572084][ T3518] ? __ia32_sys_read+0x90/0x90 [ 370.577256][ T3518] ? debug_smp_processor_id+0x17/0x20 [ 370.577829][ T3525] FAULT_INJECTION: forcing a failure. [ 370.577829][ T3525] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 370.582617][ T3518] __x64_sys_write+0x7b/0x90 [ 370.582633][ T3518] do_syscall_64+0x34/0x70 [ 370.605293][ T3518] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 370.612017][ T3518] RIP: 0033:0x7f022ab05b5f [ 370.612757][ T3527] FAULT_INJECTION: forcing a failure. [ 370.612757][ T3527] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 370.616669][ T3518] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 370.616677][ T3518] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 370.616690][ T3518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 370.616696][ T3518] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 370.616702][ T3518] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 370.616707][ T3518] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 370.616714][ T3518] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 370.619821][ T3528] FAULT_INJECTION: forcing a failure. [ 370.619821][ T3528] name failslab, interval 1, probability 0, space 0, times 0 [ 370.631240][ T3517] CPU: 1 PID: 3517 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 370.724611][ T3517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 370.734859][ T3517] Call Trace: [ 370.738228][ T3517] dump_stack_lvl+0x1e2/0x24b [ 370.742974][ T3517] ? bfq_pos_tree_add_move+0x43e/0x43e [ 370.748585][ T3517] ? vsnprintf+0x1fa/0x1cd0 [ 370.753094][ T3517] dump_stack+0x15/0x17 [ 370.757403][ T3517] should_fail+0x3c0/0x510 [ 370.761805][ T3517] should_fail_usercopy+0x1a/0x20 [ 370.767097][ T3517] _copy_from_user+0x20/0xd0 [ 370.771734][ T3517] kstrtouint_from_user+0xd7/0x2b0 [ 370.777050][ T3517] ? kstrtol_from_user+0x310/0x310 [ 370.782518][ T3517] ? snprintf+0xd6/0x120 [ 370.787825][ T3517] ? avc_policy_seqno+0x1b/0x70 [ 370.793014][ T3517] ? selinux_file_permission+0x2a9/0x520 [ 370.798736][ T3517] proc_fail_nth_write+0xa5/0x290 [ 370.804016][ T3517] ? security_file_permission+0x9d/0xc0 [ 370.809644][ T3517] ? proc_fail_nth_read+0x220/0x220 [ 370.814830][ T3517] ? security_file_permission+0xa8/0xc0 [ 370.820561][ T3517] ? rw_verify_area+0x1c2/0x360 [ 370.825395][ T3517] ? proc_fail_nth_read+0x220/0x220 [ 370.830670][ T3517] vfs_write+0x39b/0xf80 [ 370.835184][ T3517] ? kernel_write+0x420/0x420 [ 370.840299][ T3517] ? __kasan_check_write+0x14/0x20 [ 370.845674][ T3517] ? mutex_lock+0xb2/0x1e0 [ 370.850366][ T3517] ? mutex_trylock+0x180/0x180 [ 370.855114][ T3517] ? __fdget_pos+0x26d/0x310 [ 370.860034][ T3517] ? ksys_write+0x77/0x2c0 [ 370.864433][ T3517] ksys_write+0x198/0x2c0 [ 370.869010][ T3517] ? __ia32_sys_read+0x90/0x90 [ 370.873885][ T3517] ? debug_smp_processor_id+0x17/0x20 [ 370.879421][ T3517] __x64_sys_write+0x7b/0x90 [ 370.884166][ T3517] do_syscall_64+0x34/0x70 [ 370.888588][ T3517] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 370.894740][ T3517] RIP: 0033:0x7f869ba6eb5f [ 370.899140][ T3517] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 370.919456][ T3517] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 370.927854][ T3517] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 370.936096][ T3517] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 370.944175][ T3517] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 370.952649][ T3517] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 370.960696][ T3517] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 370.969046][ T3528] CPU: 0 PID: 3528 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 370.979783][ T3528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 370.990090][ T3528] Call Trace: [ 370.993477][ T3528] dump_stack_lvl+0x1e2/0x24b [ 370.998162][ T3528] ? panic+0x7d7/0x7d7 [ 371.002265][ T3528] ? bfq_pos_tree_add_move+0x43e/0x43e [ 371.007718][ T3528] ? find_next_bit+0xd6/0x120 [ 371.012661][ T3528] ? cpumask_next+0x11/0x30 [ 371.017171][ T3528] dump_stack+0x15/0x17 [ 371.021404][ T3528] should_fail+0x3c0/0x510 [ 371.026010][ T3528] ? percpu_ref_init+0xd0/0x340 [ 371.030938][ T3528] __should_failslab+0x9f/0xe0 [ 371.035979][ T3528] should_failslab+0x9/0x20 [ 371.040500][ T3528] kmem_cache_alloc_trace+0x3a/0x330 [ 371.046208][ T3528] percpu_ref_init+0xd0/0x340 [ 371.051156][ T3528] ? cgroup_setup_root+0xea0/0xea0 [ 371.056354][ T3528] cgroup_apply_control_enable+0x3a2/0x12f0 [ 371.062332][ T3528] ? cgroup_reconfigure+0xe0/0xe0 [ 371.067430][ T3528] cgroup_apply_control+0x8e/0x7e0 [ 371.072630][ T3528] ? css_next_child+0x160/0x160 [ 371.077560][ T3528] ? io_schedule+0x120/0x120 [ 371.082137][ T3528] ? kernfs_fop_write_iter+0x15e/0x410 [ 371.087933][ T3528] ? __kasan_check_write+0x14/0x20 [ 371.093120][ T3528] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 371.098387][ T3528] cgroup_subtree_control_write+0xd19/0x1310 [ 371.104727][ T3528] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 371.110700][ T3528] ? __kasan_check_write+0x14/0x20 [ 371.115795][ T3528] ? _copy_from_iter+0x3fb/0xd60 [ 371.121033][ T3528] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 371.127020][ T3528] cgroup_file_write+0x28e/0x590 [ 371.131959][ T3528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 371.137254][ T3528] ? mutex_trylock+0x180/0x180 [ 371.142184][ T3528] ? __kasan_check_write+0x14/0x20 [ 371.147318][ T3528] kernfs_fop_write_iter+0x2d0/0x410 [ 371.153033][ T3528] ? cgroup_seqfile_stop+0xc0/0xc0 [ 371.158138][ T3528] vfs_write+0xc4a/0xf80 [ 371.162623][ T3528] ? kernel_write+0x420/0x420 [ 371.167283][ T3528] ? mutex_lock+0xb2/0x1e0 [ 371.171680][ T3528] ? mutex_trylock+0x180/0x180 [ 371.176547][ T3528] ? __fdget_pos+0x26d/0x310 [ 371.181139][ T3528] ? ksys_write+0x77/0x2c0 [ 371.185543][ T3528] ksys_write+0x198/0x2c0 [ 371.189879][ T3528] ? __ia32_sys_read+0x90/0x90 [ 371.194713][ T3528] ? debug_smp_processor_id+0x17/0x20 [ 371.200169][ T3528] __x64_sys_write+0x7b/0x90 [ 371.204760][ T3528] do_syscall_64+0x34/0x70 [ 371.209159][ T3528] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 371.215126][ T3528] RIP: 0033:0x7f85191c4049 [ 371.219544][ T3528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 371.239875][ T3528] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 371.248712][ T3528] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 371.258601][ T3528] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 371.267530][ T3528] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 371.275577][ T3528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 371.283800][ T3528] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 371.291940][ T3527] CPU: 1 PID: 3527 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 371.302616][ T3527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 371.313543][ T3527] Call Trace: [ 371.316853][ T3527] dump_stack_lvl+0x1e2/0x24b [ 371.321813][ T3527] ? bfq_pos_tree_add_move+0x43e/0x43e [ 371.327502][ T3527] ? vsnprintf+0x1fa/0x1cd0 [ 371.332247][ T3527] dump_stack+0x15/0x17 [ 371.336835][ T3527] should_fail+0x3c0/0x510 [ 371.341235][ T3527] should_fail_usercopy+0x1a/0x20 [ 371.346349][ T3527] _copy_from_user+0x20/0xd0 [ 371.350941][ T3527] kstrtouint_from_user+0xd7/0x2b0 [ 371.356221][ T3527] ? kstrtol_from_user+0x310/0x310 [ 371.361468][ T3527] ? snprintf+0xd6/0x120 [ 371.365803][ T3527] ? avc_policy_seqno+0x1b/0x70 [ 371.370643][ T3527] ? selinux_file_permission+0x2a9/0x520 [ 371.376386][ T3527] proc_fail_nth_write+0xa5/0x290 [ 371.381483][ T3527] ? security_file_permission+0x9d/0xc0 [ 371.387594][ T3527] ? proc_fail_nth_read+0x220/0x220 [ 371.392770][ T3527] ? security_file_permission+0xa8/0xc0 [ 371.398380][ T3527] ? rw_verify_area+0x1c2/0x360 [ 371.403900][ T3527] ? proc_fail_nth_read+0x220/0x220 [ 371.409177][ T3527] vfs_write+0x39b/0xf80 [ 371.413580][ T3527] ? kernel_write+0x420/0x420 [ 371.418276][ T3527] ? __kasan_check_write+0x14/0x20 [ 371.423906][ T3527] ? mutex_lock+0xb2/0x1e0 [ 371.428360][ T3527] ? mutex_trylock+0x180/0x180 [ 371.433295][ T3527] ? __fdget_pos+0x26d/0x310 [ 371.437864][ T3527] ? ksys_write+0x77/0x2c0 [ 371.442392][ T3527] ksys_write+0x198/0x2c0 [ 371.447055][ T3527] ? __ia32_sys_read+0x90/0x90 [ 371.452319][ T3527] ? debug_smp_processor_id+0x17/0x20 [ 371.458514][ T3527] __x64_sys_write+0x7b/0x90 [ 371.463454][ T3527] do_syscall_64+0x34/0x70 [ 371.467936][ T3527] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 371.474195][ T3527] RIP: 0033:0x7faa22393b5f [ 371.478603][ T3527] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 371.498727][ T3527] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 371.507738][ T3527] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 371.516208][ T3527] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 371.524635][ T3527] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 371.533740][ T3527] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 371.541784][ T3527] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 371.550590][ T3525] CPU: 0 PID: 3525 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 371.562321][ T3525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 371.567368][ T3532] FAULT_INJECTION: forcing a failure. [ 371.567368][ T3532] name failslab, interval 1, probability 0, space 0, times 0 [ 371.572997][ T3525] Call Trace: [ 371.573017][ T3525] dump_stack_lvl+0x1e2/0x24b [ 371.573036][ T3525] ? bfq_pos_tree_add_move+0x43e/0x43e [ 371.600607][ T3525] ? vsnprintf+0x1fa/0x1cd0 [ 371.605505][ T3525] dump_stack+0x15/0x17 [ 371.609748][ T3525] should_fail+0x3c0/0x510 [ 371.614411][ T3525] should_fail_usercopy+0x1a/0x20 [ 371.619768][ T3525] _copy_from_user+0x20/0xd0 [ 371.624710][ T3525] kstrtouint_from_user+0xd7/0x2b0 [ 371.630176][ T3525] ? kstrtol_from_user+0x310/0x310 [ 371.635394][ T3525] ? snprintf+0xd6/0x120 [ 371.639716][ T3525] ? avc_policy_seqno+0x1b/0x70 [ 371.644810][ T3525] ? selinux_file_permission+0x2a9/0x520 [ 371.650702][ T3525] proc_fail_nth_write+0xa5/0x290 [ 371.655883][ T3525] ? security_file_permission+0x9d/0xc0 [ 371.662638][ T3525] ? proc_fail_nth_read+0x220/0x220 [ 371.667945][ T3525] ? security_file_permission+0xa8/0xc0 [ 371.673590][ T3525] ? rw_verify_area+0x1c2/0x360 [ 371.678804][ T3525] ? proc_fail_nth_read+0x220/0x220 [ 371.683993][ T3525] vfs_write+0x39b/0xf80 [ 371.688884][ T3525] ? kernel_write+0x420/0x420 [ 371.693827][ T3525] ? __kasan_check_write+0x14/0x20 [ 371.699102][ T3525] ? mutex_lock+0xb2/0x1e0 [ 371.703556][ T3525] ? mutex_trylock+0x180/0x180 [ 371.708582][ T3525] ? __fdget_pos+0x26d/0x310 [ 371.713590][ T3525] ? ksys_write+0x77/0x2c0 [ 371.718269][ T3525] ksys_write+0x198/0x2c0 [ 371.722730][ T3525] ? __ia32_sys_read+0x90/0x90 [ 371.727858][ T3525] ? debug_smp_processor_id+0x17/0x20 [ 371.733323][ T3525] __x64_sys_write+0x7b/0x90 [ 371.737997][ T3525] do_syscall_64+0x34/0x70 [ 371.742418][ T3525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 371.748556][ T3525] RIP: 0033:0x7f7d1c31ab5f [ 371.753158][ T3525] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 371.773364][ T3525] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 371.782121][ T3525] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 371.790349][ T3525] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 371.798496][ T3525] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 371.806463][ T3525] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 371.814591][ T3525] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 371.822640][ T3532] CPU: 1 PID: 3532 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 371.833250][ T3532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 371.844084][ T3532] Call Trace: [ 371.847464][ T3532] dump_stack_lvl+0x1e2/0x24b [ 371.852656][ T3532] ? panic+0x7d7/0x7d7 [ 371.856988][ T3532] ? bfq_pos_tree_add_move+0x43e/0x43e [ 371.862428][ T3532] ? find_next_bit+0xd6/0x120 [ 371.867256][ T3532] ? cpumask_next+0x11/0x30 [ 371.871754][ T3532] dump_stack+0x15/0x17 [ 371.876199][ T3532] should_fail+0x3c0/0x510 [ 371.880760][ T3532] ? percpu_ref_init+0xd0/0x340 [ 371.885847][ T3532] __should_failslab+0x9f/0xe0 [ 371.890674][ T3532] should_failslab+0x9/0x20 [ 371.895653][ T3532] kmem_cache_alloc_trace+0x3a/0x330 [ 371.901018][ T3532] percpu_ref_init+0xd0/0x340 [ 371.905669][ T3532] ? cgroup_setup_root+0xea0/0xea0 [ 371.910773][ T3532] cgroup_apply_control_enable+0x3a2/0x12f0 [ 371.916652][ T3532] ? cgroup_reconfigure+0xe0/0xe0 [ 371.921657][ T3532] cgroup_apply_control+0x8e/0x7e0 [ 371.926831][ T3532] ? css_next_child+0x160/0x160 [ 371.931845][ T3532] ? io_schedule+0x120/0x120 [ 371.936436][ T3532] ? kernfs_fop_write_iter+0x15e/0x410 [ 371.942240][ T3532] ? __kasan_check_write+0x14/0x20 [ 371.947606][ T3532] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 371.953246][ T3532] cgroup_subtree_control_write+0xd19/0x1310 [ 371.960008][ T3532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 371.966147][ T3532] ? __kasan_check_write+0x14/0x20 [ 371.971491][ T3532] ? _copy_from_iter+0x3fb/0xd60 [ 371.976578][ T3532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 371.983102][ T3532] cgroup_file_write+0x28e/0x590 [ 371.988217][ T3532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 371.993501][ T3532] ? mutex_trylock+0x180/0x180 [ 371.998607][ T3532] ? __kasan_check_write+0x14/0x20 [ 372.003798][ T3532] kernfs_fop_write_iter+0x2d0/0x410 [ 372.009153][ T3532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 372.014623][ T3532] vfs_write+0xc4a/0xf80 [ 372.019017][ T3532] ? kernel_write+0x420/0x420 [ 372.023755][ T3532] ? mutex_lock+0xb2/0x1e0 [ 372.028158][ T3532] ? mutex_trylock+0x180/0x180 [ 372.032987][ T3532] ? __fdget_pos+0x26d/0x310 [ 372.037823][ T3532] ? ksys_write+0x77/0x2c0 [ 372.042229][ T3532] ksys_write+0x198/0x2c0 [ 372.046809][ T3532] ? __ia32_sys_read+0x90/0x90 [ 372.051639][ T3532] ? debug_smp_processor_id+0x17/0x20 [ 372.057250][ T3532] __x64_sys_write+0x7b/0x90 [ 372.061818][ T3532] do_syscall_64+0x34/0x70 [ 372.066212][ T3532] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 372.072169][ T3532] RIP: 0033:0x7f85191c4049 [ 372.076920][ T3532] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 372.097297][ T3532] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 372.105866][ T3532] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 372.113915][ T3532] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 372.122228][ T3532] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 372.131107][ T3532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 372.139483][ T3532] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 372.158966][ T3534] FAULT_INJECTION: forcing a failure. [ 372.158966][ T3534] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 372.164647][ T3539] FAULT_INJECTION: forcing a failure. [ 372.164647][ T3539] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 372.176366][ T3543] FAULT_INJECTION: forcing a failure. [ 372.176366][ T3543] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 372.186003][ T3541] FAULT_INJECTION: forcing a failure. [ 372.186003][ T3541] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 372.199557][ T3543] CPU: 1 PID: 3543 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 372.199563][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 372.199568][ T3543] Call Trace: [ 372.199585][ T3543] dump_stack_lvl+0x1e2/0x24b [ 372.199604][ T3543] ? bfq_pos_tree_add_move+0x43e/0x43e [ 372.213236][ T3537] FAULT_INJECTION: forcing a failure. [ 372.213236][ T3537] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 372.225101][ T3543] ? vsnprintf+0x1fa/0x1cd0 [ 372.225114][ T3543] dump_stack+0x15/0x17 [ 372.225124][ T3543] should_fail+0x3c0/0x510 [ 372.225133][ T3543] should_fail_usercopy+0x1a/0x20 [ 372.225144][ T3543] _copy_from_user+0x20/0xd0 [ 372.225155][ T3543] kstrtouint_from_user+0xd7/0x2b0 [ 372.225166][ T3543] ? kstrtol_from_user+0x310/0x310 [ 372.225175][ T3543] ? snprintf+0xd6/0x120 [ 372.225193][ T3543] ? avc_policy_seqno+0x1b/0x70 [ 372.314965][ T3543] ? selinux_file_permission+0x2a9/0x520 [ 372.321106][ T3543] proc_fail_nth_write+0xa5/0x290 [ 372.326119][ T3543] ? security_file_permission+0x9d/0xc0 [ 372.333884][ T3543] ? proc_fail_nth_read+0x220/0x220 [ 372.339157][ T3543] ? security_file_permission+0xa8/0xc0 [ 372.344706][ T3543] ? rw_verify_area+0x1c2/0x360 [ 372.349639][ T3543] ? proc_fail_nth_read+0x220/0x220 [ 372.355008][ T3543] vfs_write+0x39b/0xf80 [ 372.359335][ T3543] ? kernel_write+0x420/0x420 [ 372.364003][ T3543] ? __kasan_check_write+0x14/0x20 [ 372.369203][ T3543] ? mutex_lock+0xb2/0x1e0 [ 372.374252][ T3543] ? mutex_trylock+0x180/0x180 [ 372.379195][ T3543] ? __fdget_pos+0x26d/0x310 [ 372.383779][ T3543] ? ksys_write+0x77/0x2c0 [ 372.388189][ T3543] ksys_write+0x198/0x2c0 [ 372.392612][ T3543] ? __ia32_sys_read+0x90/0x90 [ 372.397545][ T3543] ? debug_smp_processor_id+0x17/0x20 [ 372.402922][ T3543] __x64_sys_write+0x7b/0x90 [ 372.407499][ T3543] do_syscall_64+0x34/0x70 [ 372.412390][ T3543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 372.418547][ T3543] RIP: 0033:0x7f022ab05b5f [ 372.423138][ T3543] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 372.443983][ T3543] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 372.452651][ T3543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 372.460612][ T3543] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 372.468566][ T3543] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 372.476600][ T3543] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 372.485966][ T3543] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 372.494104][ T3537] CPU: 0 PID: 3537 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 372.504967][ T3537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 372.515444][ T3537] Call Trace: [ 372.519354][ T3537] dump_stack_lvl+0x1e2/0x24b [ 372.524505][ T3537] ? bfq_pos_tree_add_move+0x43e/0x43e [ 372.530180][ T3537] ? vsnprintf+0x1fa/0x1cd0 [ 372.534763][ T3537] dump_stack+0x15/0x17 [ 372.538986][ T3537] should_fail+0x3c0/0x510 [ 372.543475][ T3537] should_fail_usercopy+0x1a/0x20 [ 372.548796][ T3537] _copy_from_user+0x20/0xd0 [ 372.553368][ T3537] kstrtouint_from_user+0xd7/0x2b0 [ 372.558890][ T3537] ? kstrtol_from_user+0x310/0x310 [ 372.564083][ T3537] ? snprintf+0xd6/0x120 [ 372.568314][ T3537] ? avc_policy_seqno+0x1b/0x70 [ 372.573324][ T3537] ? selinux_file_permission+0x2a9/0x520 [ 372.579202][ T3537] proc_fail_nth_write+0xa5/0x290 [ 372.584300][ T3537] ? security_file_permission+0x9d/0xc0 [ 372.589834][ T3537] ? proc_fail_nth_read+0x220/0x220 [ 372.595121][ T3537] ? security_file_permission+0xa8/0xc0 [ 372.600648][ T3537] ? rw_verify_area+0x1c2/0x360 [ 372.605749][ T3537] ? proc_fail_nth_read+0x220/0x220 [ 372.611382][ T3537] vfs_write+0x39b/0xf80 [ 372.615968][ T3537] ? kernel_write+0x420/0x420 [ 372.620777][ T3537] ? __kasan_check_write+0x14/0x20 [ 372.626495][ T3537] ? mutex_lock+0xb2/0x1e0 [ 372.630978][ T3537] ? mutex_trylock+0x180/0x180 [ 372.635738][ T3537] ? __fdget_pos+0x26d/0x310 [ 372.641891][ T3537] ? ksys_write+0x77/0x2c0 [ 372.646310][ T3537] ksys_write+0x198/0x2c0 [ 372.650621][ T3537] ? __kasan_check_write+0x14/0x20 [ 372.655887][ T3537] ? __ia32_sys_read+0x90/0x90 [ 372.660744][ T3537] ? debug_smp_processor_id+0x17/0x20 [ 372.666182][ T3537] __x64_sys_write+0x7b/0x90 [ 372.670753][ T3537] do_syscall_64+0x34/0x70 [ 372.675242][ T3537] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 372.681122][ T3537] RIP: 0033:0x7f6ebe0d0b5f [ 372.685536][ T3537] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 372.706031][ T3537] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 372.714561][ T3537] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 372.723107][ T3537] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 372.731270][ T3537] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 372.739684][ T3537] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 372.748150][ T3537] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 372.756221][ T3539] CPU: 1 PID: 3539 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 372.766904][ T3539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 372.777500][ T3539] Call Trace: [ 372.780781][ T3539] dump_stack_lvl+0x1e2/0x24b [ 372.785622][ T3539] ? bfq_pos_tree_add_move+0x43e/0x43e [ 372.791540][ T3539] ? vsnprintf+0x1fa/0x1cd0 [ 372.796390][ T3539] dump_stack+0x15/0x17 [ 372.800528][ T3539] should_fail+0x3c0/0x510 [ 372.804987][ T3539] should_fail_usercopy+0x1a/0x20 [ 372.810008][ T3539] _copy_from_user+0x20/0xd0 [ 372.814739][ T3539] kstrtouint_from_user+0xd7/0x2b0 [ 372.819831][ T3539] ? kstrtol_from_user+0x310/0x310 [ 372.824938][ T3539] ? snprintf+0xd6/0x120 [ 372.829446][ T3539] ? avc_policy_seqno+0x1b/0x70 [ 372.834561][ T3539] ? selinux_file_permission+0x2a9/0x520 [ 372.840413][ T3539] proc_fail_nth_write+0xa5/0x290 [ 372.845605][ T3539] ? security_file_permission+0x9d/0xc0 [ 372.851932][ T3539] ? proc_fail_nth_read+0x220/0x220 [ 372.857154][ T3539] ? security_file_permission+0xa8/0xc0 [ 372.862874][ T3539] ? rw_verify_area+0x1c2/0x360 [ 372.867801][ T3539] ? proc_fail_nth_read+0x220/0x220 [ 372.872981][ T3539] vfs_write+0x39b/0xf80 [ 372.877599][ T3539] ? kernel_write+0x420/0x420 [ 372.882640][ T3539] ? __kasan_check_write+0x14/0x20 [ 372.887916][ T3539] ? mutex_lock+0xb2/0x1e0 [ 372.892318][ T3539] ? mutex_trylock+0x180/0x180 [ 372.897067][ T3539] ? __fdget_pos+0x26d/0x310 [ 372.901639][ T3539] ? ksys_write+0x77/0x2c0 [ 372.906138][ T3539] ksys_write+0x198/0x2c0 [ 372.911366][ T3539] ? __kasan_check_write+0x14/0x20 [ 372.916595][ T3539] ? __ia32_sys_read+0x90/0x90 [ 372.921520][ T3539] ? debug_smp_processor_id+0x17/0x20 [ 372.926998][ T3539] __x64_sys_write+0x7b/0x90 [ 372.931863][ T3539] do_syscall_64+0x34/0x70 [ 372.936276][ T3539] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 372.942419][ T3539] RIP: 0033:0x7f869ba6eb5f [ 372.946828][ T3539] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 372.966875][ T3539] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 372.975459][ T3539] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 372.983418][ T3539] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 372.991466][ T3539] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 373.000093][ T3539] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 373.008137][ T3539] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 373.016304][ T3541] CPU: 0 PID: 3541 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 373.027145][ T3541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 373.037640][ T3541] Call Trace: [ 373.041025][ T3541] dump_stack_lvl+0x1e2/0x24b [ 373.045974][ T3541] ? bfq_pos_tree_add_move+0x43e/0x43e [ 373.051518][ T3541] ? vsnprintf+0x1fa/0x1cd0 [ 373.056101][ T3541] dump_stack+0x15/0x17 [ 373.060341][ T3541] should_fail+0x3c0/0x510 [ 373.066626][ T3541] should_fail_usercopy+0x1a/0x20 [ 373.072163][ T3541] _copy_from_user+0x20/0xd0 [ 373.077387][ T3541] kstrtouint_from_user+0xd7/0x2b0 [ 373.083048][ T3541] ? kstrtol_from_user+0x310/0x310 [ 373.088929][ T3541] ? snprintf+0xd6/0x120 [ 373.095156][ T3541] ? avc_policy_seqno+0x1b/0x70 [ 373.100490][ T3541] ? selinux_file_permission+0x2a9/0x520 [ 373.106207][ T3541] proc_fail_nth_write+0xa5/0x290 [ 373.111940][ T3541] ? security_file_permission+0x9d/0xc0 [ 373.117616][ T3541] ? proc_fail_nth_read+0x220/0x220 [ 373.123216][ T3541] ? security_file_permission+0xa8/0xc0 [ 373.129173][ T3541] ? rw_verify_area+0x1c2/0x360 [ 373.134100][ T3541] ? proc_fail_nth_read+0x220/0x220 [ 373.139304][ T3541] vfs_write+0x39b/0xf80 [ 373.143566][ T3541] ? kernel_write+0x420/0x420 [ 373.148339][ T3541] ? __kasan_check_write+0x14/0x20 [ 373.153441][ T3541] ? mutex_lock+0xb2/0x1e0 [ 373.157844][ T3541] ? mutex_trylock+0x180/0x180 [ 373.162678][ T3541] ? __fdget_pos+0x26d/0x310 [ 373.167334][ T3541] ? ksys_write+0x77/0x2c0 [ 373.171731][ T3541] ksys_write+0x198/0x2c0 [ 373.176037][ T3541] ? __kasan_check_write+0x14/0x20 [ 373.181146][ T3541] ? __ia32_sys_read+0x90/0x90 [ 373.185889][ T3541] ? debug_smp_processor_id+0x17/0x20 [ 373.191238][ T3541] __x64_sys_write+0x7b/0x90 [ 373.196033][ T3541] do_syscall_64+0x34/0x70 [ 373.200632][ T3541] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 373.206702][ T3541] RIP: 0033:0x7f7d1c31ab5f [ 373.211103][ T3541] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 373.231446][ T3541] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 373.239895][ T3541] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 373.248112][ T3541] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 373.256067][ T3541] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 373.264374][ T3541] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 373.272324][ T3541] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 373.282879][ T3534] CPU: 0 PID: 3534 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 373.293341][ T3534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 373.303735][ T3534] Call Trace: [ 373.307025][ T3534] dump_stack_lvl+0x1e2/0x24b [ 373.311987][ T3534] ? bfq_pos_tree_add_move+0x43e/0x43e [ 373.317439][ T3534] ? vsnprintf+0x1fa/0x1cd0 [ 373.322057][ T3534] dump_stack+0x15/0x17 [ 373.326291][ T3534] should_fail+0x3c0/0x510 [ 373.330798][ T3534] should_fail_usercopy+0x1a/0x20 [ 373.335804][ T3534] _copy_from_user+0x20/0xd0 [ 373.340462][ T3534] kstrtouint_from_user+0xd7/0x2b0 [ 373.345659][ T3534] ? kstrtol_from_user+0x310/0x310 [ 373.351510][ T3534] ? snprintf+0xd6/0x120 [ 373.356098][ T3534] ? avc_policy_seqno+0x1b/0x70 [ 373.361103][ T3534] ? selinux_file_permission+0x2a9/0x520 [ 373.366729][ T3534] proc_fail_nth_write+0xa5/0x290 [ 373.371870][ T3534] ? security_file_permission+0x9d/0xc0 [ 373.377970][ T3534] ? proc_fail_nth_read+0x220/0x220 [ 373.383282][ T3534] ? security_file_permission+0xa8/0xc0 [ 373.389003][ T3534] ? rw_verify_area+0x1c2/0x360 [ 373.393961][ T3534] ? proc_fail_nth_read+0x220/0x220 [ 373.399386][ T3534] vfs_write+0x39b/0xf80 [ 373.403628][ T3534] ? kernel_write+0x420/0x420 [ 373.409228][ T3534] ? __kasan_check_write+0x14/0x20 [ 373.414340][ T3534] ? mutex_lock+0xb2/0x1e0 [ 373.418742][ T3534] ? mutex_trylock+0x180/0x180 [ 373.424023][ T3534] ? __fdget_pos+0x26d/0x310 [ 373.429281][ T3534] ? ksys_write+0x77/0x2c0 [ 373.433760][ T3534] ksys_write+0x198/0x2c0 [ 373.438155][ T3534] ? __kasan_check_write+0x14/0x20 [ 373.443612][ T3534] ? __ia32_sys_read+0x90/0x90 [ 373.448618][ T3534] ? debug_smp_processor_id+0x17/0x20 [ 373.454037][ T3534] __x64_sys_write+0x7b/0x90 [ 373.458701][ T3534] do_syscall_64+0x34/0x70 [ 373.463182][ T3534] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 373.469049][ T3534] RIP: 0033:0x7faa22393b5f [ 373.473564][ T3534] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 373.494263][ T3534] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 373.502739][ T3534] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 373.510691][ T3534] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 373.518988][ T3534] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 373.526954][ T3534] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 373.535161][ T3534] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 373.545401][ T3545] FAULT_INJECTION: forcing a failure. [ 373.545401][ T3545] name failslab, interval 1, probability 0, space 0, times 0 [ 373.568842][ T3545] CPU: 0 PID: 3545 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 373.579597][ T3545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 373.589770][ T3545] Call Trace: [ 373.593048][ T3545] dump_stack_lvl+0x1e2/0x24b [ 373.597893][ T3545] ? panic+0x7d7/0x7d7 [ 373.602132][ T3545] ? bfq_pos_tree_add_move+0x43e/0x43e [ 373.607602][ T3545] ? find_next_bit+0xd6/0x120 [ 373.612451][ T3545] ? cpumask_next+0x11/0x30 [ 373.616983][ T3545] dump_stack+0x15/0x17 [ 373.621239][ T3545] should_fail+0x3c0/0x510 [ 373.626004][ T3545] ? percpu_ref_init+0xd0/0x340 [ 373.630948][ T3545] __should_failslab+0x9f/0xe0 [ 373.635949][ T3545] should_failslab+0x9/0x20 [ 373.640430][ T3545] kmem_cache_alloc_trace+0x3a/0x330 [ 373.645785][ T3545] percpu_ref_init+0xd0/0x340 [ 373.650548][ T3545] ? cgroup_setup_root+0xea0/0xea0 [ 373.655721][ T3545] cgroup_apply_control_enable+0x3a2/0x12f0 [ 373.661592][ T3545] ? cgroup_reconfigure+0xe0/0xe0 [ 373.666944][ T3545] cgroup_apply_control+0x8e/0x7e0 [ 373.672119][ T3545] ? css_next_child+0x160/0x160 [ 373.676974][ T3545] ? io_schedule+0x120/0x120 [ 373.681542][ T3545] ? kernfs_fop_write_iter+0x15e/0x410 [ 373.686974][ T3545] ? __kasan_check_write+0x14/0x20 [ 373.692061][ T3545] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 373.697438][ T3545] cgroup_subtree_control_write+0xd19/0x1310 [ 373.703405][ T3545] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 373.709756][ T3545] ? __kasan_check_write+0x14/0x20 [ 373.714846][ T3545] ? _copy_from_iter+0x3fb/0xd60 [ 373.719768][ T3545] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 373.726081][ T3545] cgroup_file_write+0x28e/0x590 [ 373.731054][ T3545] ? cgroup_seqfile_stop+0xc0/0xc0 [ 373.736317][ T3545] ? mutex_trylock+0x180/0x180 [ 373.742147][ T3545] ? __kasan_check_write+0x14/0x20 [ 373.747585][ T3545] kernfs_fop_write_iter+0x2d0/0x410 [ 373.752851][ T3545] ? cgroup_seqfile_stop+0xc0/0xc0 [ 373.758197][ T3545] vfs_write+0xc4a/0xf80 [ 373.762509][ T3545] ? kernel_write+0x420/0x420 [ 373.767248][ T3545] ? mutex_lock+0xb2/0x1e0 [ 373.771726][ T3545] ? mutex_trylock+0x180/0x180 [ 373.776651][ T3545] ? __fdget_pos+0x26d/0x310 [ 373.781307][ T3545] ? ksys_write+0x77/0x2c0 [ 373.785702][ T3545] ksys_write+0x198/0x2c0 [ 373.790598][ T3545] ? __ia32_sys_read+0x90/0x90 [ 373.795374][ T3545] ? debug_smp_processor_id+0x17/0x20 [ 373.801008][ T3545] __x64_sys_write+0x7b/0x90 [ 373.805717][ T3545] do_syscall_64+0x34/0x70 [ 373.810381][ T3545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 373.816342][ T3545] RIP: 0033:0x7f85191c4049 [ 373.820742][ T3545] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 373.840785][ T3545] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 373.849268][ T3545] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 373.857527][ T3545] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 373.865651][ T3545] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 373.873691][ T3545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 373.881830][ T3545] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 373.892292][ T3553] FAULT_INJECTION: forcing a failure. [ 373.892292][ T3553] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 373.899945][ T3555] FAULT_INJECTION: forcing a failure. [ 373.899945][ T3555] name failslab, interval 1, probability 0, space 0, times 0 [ 373.918481][ T3553] CPU: 1 PID: 3553 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 373.929608][ T3553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 373.939774][ T3553] Call Trace: [ 373.943061][ T3553] dump_stack_lvl+0x1e2/0x24b [ 373.947751][ T3553] ? bfq_pos_tree_add_move+0x43e/0x43e [ 373.953283][ T3553] ? vsnprintf+0x1fa/0x1cd0 [ 373.958057][ T3553] dump_stack+0x15/0x17 [ 373.962311][ T3553] should_fail+0x3c0/0x510 [ 373.967788][ T3553] should_fail_usercopy+0x1a/0x20 [ 373.972917][ T3553] _copy_from_user+0x20/0xd0 [ 373.977584][ T3553] kstrtouint_from_user+0xd7/0x2b0 [ 373.982874][ T3553] ? kstrtol_from_user+0x310/0x310 [ 373.988086][ T3553] ? snprintf+0xd6/0x120 [ 373.992656][ T3553] ? avc_policy_seqno+0x1b/0x70 [ 373.997977][ T3553] ? selinux_file_permission+0x2a9/0x520 [ 374.003968][ T3553] proc_fail_nth_write+0xa5/0x290 [ 374.009070][ T3553] ? security_file_permission+0x9d/0xc0 [ 374.014623][ T3553] ? proc_fail_nth_read+0x220/0x220 [ 374.020121][ T3553] ? security_file_permission+0xa8/0xc0 [ 374.026159][ T3553] ? rw_verify_area+0x1c2/0x360 [ 374.031101][ T3553] ? proc_fail_nth_read+0x220/0x220 [ 374.036457][ T3553] vfs_write+0x39b/0xf80 [ 374.040684][ T3553] ? kernel_write+0x420/0x420 [ 374.045352][ T3553] ? __kasan_check_write+0x14/0x20 [ 374.050729][ T3553] ? mutex_lock+0xb2/0x1e0 [ 374.055135][ T3553] ? mutex_trylock+0x180/0x180 [ 374.060690][ T3553] ? __fdget_pos+0x26d/0x310 [ 374.065265][ T3553] ? ksys_write+0x77/0x2c0 [ 374.069840][ T3553] ksys_write+0x198/0x2c0 [ 374.074501][ T3553] ? __ia32_sys_read+0x90/0x90 [ 374.079272][ T3553] ? debug_smp_processor_id+0x17/0x20 [ 374.084710][ T3553] __x64_sys_write+0x7b/0x90 [ 374.089473][ T3553] do_syscall_64+0x34/0x70 [ 374.094180][ T3553] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 374.100174][ T3553] RIP: 0033:0x7f7d1c31ab5f [ 374.104594][ T3553] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 374.125421][ T3553] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 374.134011][ T3553] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 374.142325][ T3553] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 374.150467][ T3553] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 374.158604][ T3553] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 374.166770][ T3553] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 374.174817][ T3555] CPU: 0 PID: 3555 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 374.185626][ T3555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 374.195872][ T3555] Call Trace: [ 374.199353][ T3555] dump_stack_lvl+0x1e2/0x24b [ 374.204101][ T3555] ? panic+0x7d7/0x7d7 [ 374.208273][ T3555] ? bfq_pos_tree_add_move+0x43e/0x43e [ 374.213713][ T3555] ? find_next_bit+0xd6/0x120 [ 374.218385][ T3555] ? cpumask_next+0x11/0x30 [ 374.222924][ T3555] dump_stack+0x15/0x17 [ 374.227091][ T3555] should_fail+0x3c0/0x510 [ 374.231494][ T3555] ? percpu_ref_init+0xd0/0x340 [ 374.236524][ T3555] __should_failslab+0x9f/0xe0 [ 374.241282][ T3555] should_failslab+0x9/0x20 [ 374.246055][ T3555] kmem_cache_alloc_trace+0x3a/0x330 [ 374.251528][ T3555] percpu_ref_init+0xd0/0x340 [ 374.256201][ T3555] ? cgroup_setup_root+0xea0/0xea0 [ 374.261443][ T3555] cgroup_apply_control_enable+0x3a2/0x12f0 [ 374.268188][ T3555] ? cgroup_reconfigure+0xe0/0xe0 [ 374.273299][ T3555] cgroup_apply_control+0x8e/0x7e0 [ 374.278491][ T3555] ? css_next_child+0x160/0x160 [ 374.283798][ T3555] ? io_schedule+0x120/0x120 [ 374.288622][ T3555] ? kernfs_fop_write_iter+0x15e/0x410 [ 374.294350][ T3555] ? __kasan_check_write+0x14/0x20 [ 374.299556][ T3555] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 374.305110][ T3555] cgroup_subtree_control_write+0xd19/0x1310 [ 374.311506][ T3555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 374.317664][ T3555] ? __kasan_check_write+0x14/0x20 [ 374.322937][ T3555] ? _copy_from_iter+0x3fb/0xd60 [ 374.327867][ T3555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 374.334114][ T3555] cgroup_file_write+0x28e/0x590 [ 374.339099][ T3555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 374.344947][ T3555] ? mutex_trylock+0x180/0x180 [ 374.349934][ T3555] ? __kasan_check_write+0x14/0x20 [ 374.355042][ T3555] kernfs_fop_write_iter+0x2d0/0x410 [ 374.360449][ T3555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 374.365760][ T3555] vfs_write+0xc4a/0xf80 [ 374.370011][ T3555] ? kernel_write+0x420/0x420 [ 374.374953][ T3555] ? mutex_lock+0xb2/0x1e0 [ 374.380540][ T3555] ? mutex_trylock+0x180/0x180 [ 374.385648][ T3555] ? __fdget_pos+0x26d/0x310 [ 374.390459][ T3555] ? ksys_write+0x77/0x2c0 [ 374.395173][ T3555] ksys_write+0x198/0x2c0 [ 374.399966][ T3555] ? __ia32_sys_read+0x90/0x90 [ 374.404726][ T3555] ? debug_smp_processor_id+0x17/0x20 [ 374.410670][ T3555] __x64_sys_write+0x7b/0x90 [ 374.415484][ T3555] do_syscall_64+0x34/0x70 [ 374.420013][ T3555] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 374.426210][ T3555] RIP: 0033:0x7f85191c4049 [ 374.431153][ T3555] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 2022/08/30 17:01:55 executed programs: 1410 [ 374.452070][ T3555] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 374.460852][ T3555] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 374.469577][ T3555] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 374.478414][ T3555] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 374.486684][ T3555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 374.496378][ T3555] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 374.520250][ T3561] FAULT_INJECTION: forcing a failure. [ 374.520250][ T3561] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 374.521501][ T3563] FAULT_INJECTION: forcing a failure. [ 374.521501][ T3563] name failslab, interval 1, probability 0, space 0, times 0 [ 374.547424][ T3561] CPU: 1 PID: 3561 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 374.558355][ T3561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 374.568586][ T3561] Call Trace: [ 374.571977][ T3561] dump_stack_lvl+0x1e2/0x24b [ 374.576988][ T3561] ? bfq_pos_tree_add_move+0x43e/0x43e [ 374.582524][ T3561] ? vsnprintf+0x1fa/0x1cd0 [ 374.587276][ T3561] dump_stack+0x15/0x17 [ 374.591894][ T3561] should_fail+0x3c0/0x510 [ 374.596381][ T3561] should_fail_usercopy+0x1a/0x20 [ 374.601492][ T3561] _copy_from_user+0x20/0xd0 [ 374.606090][ T3561] kstrtouint_from_user+0xd7/0x2b0 [ 374.611285][ T3561] ? kstrtol_from_user+0x310/0x310 [ 374.616467][ T3561] ? snprintf+0xd6/0x120 [ 374.620706][ T3561] ? avc_policy_seqno+0x1b/0x70 [ 374.625540][ T3561] ? selinux_file_permission+0x2a9/0x520 [ 374.631444][ T3561] proc_fail_nth_write+0xa5/0x290 [ 374.636829][ T3561] ? security_file_permission+0x9d/0xc0 [ 374.642378][ T3561] ? proc_fail_nth_read+0x220/0x220 [ 374.647596][ T3561] ? security_file_permission+0xa8/0xc0 [ 374.653263][ T3561] ? rw_verify_area+0x1c2/0x360 [ 374.658299][ T3561] ? proc_fail_nth_read+0x220/0x220 [ 374.663604][ T3561] vfs_write+0x39b/0xf80 [ 374.667985][ T3561] ? kernel_write+0x420/0x420 [ 374.672681][ T3561] ? __kasan_check_write+0x14/0x20 [ 374.677958][ T3561] ? mutex_lock+0xb2/0x1e0 [ 374.682537][ T3561] ? mutex_trylock+0x180/0x180 [ 374.687370][ T3561] ? __fdget_pos+0x26d/0x310 [ 374.692044][ T3561] ? ksys_write+0x77/0x2c0 [ 374.696624][ T3561] ksys_write+0x198/0x2c0 [ 374.700944][ T3561] ? __ia32_sys_read+0x90/0x90 [ 374.705793][ T3561] ? debug_smp_processor_id+0x17/0x20 [ 374.711415][ T3561] __x64_sys_write+0x7b/0x90 [ 374.716077][ T3561] do_syscall_64+0x34/0x70 [ 374.720566][ T3561] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 374.726531][ T3561] RIP: 0033:0x7f6ebe0d0b5f [ 374.731026][ T3561] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 374.751960][ T3561] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 374.760707][ T3561] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 374.768766][ T3561] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 374.776816][ T3561] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 374.784857][ T3561] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 374.792990][ T3561] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 374.801414][ T3563] CPU: 0 PID: 3563 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 374.812688][ T3563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 374.823165][ T3563] Call Trace: [ 374.826634][ T3563] dump_stack_lvl+0x1e2/0x24b [ 374.831298][ T3563] ? panic+0x7d7/0x7d7 [ 374.835362][ T3563] ? bfq_pos_tree_add_move+0x43e/0x43e [ 374.841420][ T3563] ? find_next_bit+0xd6/0x120 [ 374.846300][ T3563] ? cpumask_next+0x11/0x30 [ 374.851070][ T3563] dump_stack+0x15/0x17 [ 374.855322][ T3563] should_fail+0x3c0/0x510 [ 374.859780][ T3563] ? percpu_ref_init+0xd0/0x340 [ 374.865083][ T3563] __should_failslab+0x9f/0xe0 [ 374.869943][ T3563] should_failslab+0x9/0x20 [ 374.874535][ T3563] kmem_cache_alloc_trace+0x3a/0x330 [ 374.880273][ T3563] percpu_ref_init+0xd0/0x340 [ 374.885578][ T3563] ? cgroup_setup_root+0xea0/0xea0 [ 374.890782][ T3563] cgroup_apply_control_enable+0x3a2/0x12f0 [ 374.896744][ T3563] ? cgroup_reconfigure+0xe0/0xe0 [ 374.901854][ T3563] cgroup_apply_control+0x8e/0x7e0 [ 374.907219][ T3563] ? css_next_child+0x160/0x160 [ 374.912321][ T3563] ? io_schedule+0x120/0x120 [ 374.917173][ T3563] ? kernfs_fop_write_iter+0x15e/0x410 [ 374.922618][ T3563] ? __kasan_check_write+0x14/0x20 [ 374.928462][ T3563] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 374.933841][ T3563] cgroup_subtree_control_write+0xd19/0x1310 [ 374.940025][ T3563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 374.947442][ T3563] ? __kasan_check_write+0x14/0x20 [ 374.952622][ T3563] ? _copy_from_iter+0x3fb/0xd60 [ 374.957633][ T3563] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 374.964064][ T3563] cgroup_file_write+0x28e/0x590 [ 374.968995][ T3563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 374.974375][ T3563] ? mutex_trylock+0x180/0x180 [ 374.979575][ T3563] ? __kasan_check_write+0x14/0x20 [ 374.984874][ T3563] kernfs_fop_write_iter+0x2d0/0x410 [ 374.990336][ T3563] ? cgroup_seqfile_stop+0xc0/0xc0 [ 374.995803][ T3563] vfs_write+0xc4a/0xf80 [ 375.000046][ T3563] ? kernel_write+0x420/0x420 [ 375.005206][ T3563] ? mutex_lock+0xb2/0x1e0 [ 375.009790][ T3563] ? mutex_trylock+0x180/0x180 [ 375.014727][ T3563] ? __fdget_pos+0x26d/0x310 [ 375.019619][ T3563] ? ksys_write+0x77/0x2c0 [ 375.024433][ T3563] ksys_write+0x198/0x2c0 [ 375.028943][ T3563] ? __ia32_sys_read+0x90/0x90 [ 375.033984][ T3563] ? debug_smp_processor_id+0x17/0x20 [ 375.039439][ T3563] __x64_sys_write+0x7b/0x90 [ 375.044011][ T3563] do_syscall_64+0x34/0x70 [ 375.048409][ T3563] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 375.054284][ T3563] RIP: 0033:0x7f85191c4049 [ 375.058851][ T3563] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 375.079019][ T3563] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 375.087437][ T3563] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 375.096047][ T3563] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 375.104197][ T3563] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 375.112971][ T3563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 375.121125][ T3563] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 375.141320][ T3565] FAULT_INJECTION: forcing a failure. [ 375.141320][ T3565] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 375.142019][ T3568] FAULT_INJECTION: forcing a failure. [ 375.142019][ T3568] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 375.154569][ T3565] CPU: 1 PID: 3565 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 375.178010][ T3565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 375.188601][ T3565] Call Trace: [ 375.191901][ T3565] dump_stack_lvl+0x1e2/0x24b [ 375.196570][ T3565] ? bfq_pos_tree_add_move+0x43e/0x43e [ 375.202135][ T3565] ? vsnprintf+0x1fa/0x1cd0 [ 375.206636][ T3565] dump_stack+0x15/0x17 [ 375.210779][ T3565] should_fail+0x3c0/0x510 [ 375.215283][ T3565] should_fail_usercopy+0x1a/0x20 [ 375.220393][ T3565] _copy_from_user+0x20/0xd0 [ 375.224975][ T3565] kstrtouint_from_user+0xd7/0x2b0 [ 375.230687][ T3565] ? kstrtol_from_user+0x310/0x310 [ 375.235992][ T3565] ? snprintf+0xd6/0x120 [ 375.240244][ T3565] ? avc_policy_seqno+0x1b/0x70 [ 375.246191][ T3565] ? selinux_file_permission+0x2a9/0x520 [ 375.251921][ T3565] proc_fail_nth_write+0xa5/0x290 [ 375.256937][ T3565] ? security_file_permission+0x9d/0xc0 [ 375.262562][ T3565] ? proc_fail_nth_read+0x220/0x220 [ 375.267747][ T3565] ? security_file_permission+0xa8/0xc0 [ 375.273288][ T3565] ? rw_verify_area+0x1c2/0x360 [ 375.278206][ T3565] ? proc_fail_nth_read+0x220/0x220 [ 375.283685][ T3565] vfs_write+0x39b/0xf80 [ 375.287922][ T3565] ? kernel_write+0x420/0x420 [ 375.292729][ T3565] ? __kasan_check_write+0x14/0x20 [ 375.298281][ T3565] ? mutex_lock+0xb2/0x1e0 [ 375.302784][ T3565] ? mutex_trylock+0x180/0x180 [ 375.307664][ T3565] ? __fdget_pos+0x26d/0x310 [ 375.312257][ T3565] ? ksys_write+0x77/0x2c0 [ 375.316668][ T3565] ksys_write+0x198/0x2c0 [ 375.320983][ T3565] ? __kasan_check_write+0x14/0x20 [ 375.326088][ T3565] ? __ia32_sys_read+0x90/0x90 [ 375.331055][ T3565] ? debug_smp_processor_id+0x17/0x20 [ 375.336527][ T3565] __x64_sys_write+0x7b/0x90 [ 375.341253][ T3565] do_syscall_64+0x34/0x70 [ 375.345820][ T3565] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 375.351814][ T3565] RIP: 0033:0x7f869ba6eb5f [ 375.356230][ T3565] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 375.376165][ T3565] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 375.384670][ T3565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 375.392925][ T3565] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 375.401954][ T3565] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 375.410462][ T3565] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 375.418633][ T3565] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 375.426985][ T3568] CPU: 0 PID: 3568 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 375.438701][ T3568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 375.443238][ T3573] FAULT_INJECTION: forcing a failure. [ 375.443238][ T3573] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 375.449642][ T3568] Call Trace: [ 375.449661][ T3568] dump_stack_lvl+0x1e2/0x24b [ 375.449672][ T3568] ? bfq_pos_tree_add_move+0x43e/0x43e [ 375.449681][ T3568] ? vsnprintf+0x1fa/0x1cd0 [ 375.449691][ T3568] dump_stack+0x15/0x17 [ 375.449700][ T3568] should_fail+0x3c0/0x510 [ 375.449709][ T3568] should_fail_usercopy+0x1a/0x20 [ 375.449719][ T3568] _copy_from_user+0x20/0xd0 [ 375.449737][ T3568] kstrtouint_from_user+0xd7/0x2b0 [ 375.489779][ T3578] FAULT_INJECTION: forcing a failure. [ 375.489779][ T3578] name failslab, interval 1, probability 0, space 0, times 0 [ 375.490732][ T3568] ? kstrtol_from_user+0x310/0x310 [ 375.490750][ T3568] ? snprintf+0xd6/0x120 [ 375.528313][ T3568] ? avc_policy_seqno+0x1b/0x70 [ 375.533422][ T3568] ? selinux_file_permission+0x2a9/0x520 [ 375.539199][ T3568] proc_fail_nth_write+0xa5/0x290 [ 375.544236][ T3568] ? security_file_permission+0x9d/0xc0 [ 375.549782][ T3568] ? proc_fail_nth_read+0x220/0x220 [ 375.554973][ T3568] ? security_file_permission+0xa8/0xc0 [ 375.560518][ T3568] ? rw_verify_area+0x1c2/0x360 [ 375.565515][ T3568] ? proc_fail_nth_read+0x220/0x220 [ 375.570937][ T3568] vfs_write+0x39b/0xf80 [ 375.575261][ T3568] ? kernel_write+0x420/0x420 [ 375.580000][ T3568] ? __kasan_check_write+0x14/0x20 [ 375.585118][ T3568] ? mutex_lock+0xb2/0x1e0 [ 375.589609][ T3568] ? mutex_trylock+0x180/0x180 [ 375.594862][ T3568] ? __fdget_pos+0x26d/0x310 [ 375.599650][ T3568] ? ksys_write+0x77/0x2c0 [ 375.605190][ T3568] ksys_write+0x198/0x2c0 [ 375.609955][ T3568] ? __kasan_check_write+0x14/0x20 [ 375.615186][ T3568] ? __ia32_sys_read+0x90/0x90 [ 375.619962][ T3568] ? debug_smp_processor_id+0x17/0x20 [ 375.626114][ T3568] __x64_sys_write+0x7b/0x90 [ 375.631072][ T3568] do_syscall_64+0x34/0x70 [ 375.635847][ T3568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 375.641804][ T3568] RIP: 0033:0x7f022ab05b5f [ 375.646294][ T3568] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 375.666323][ T3568] RSP: 002b:00007f022aaa8160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 375.675188][ T3568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 375.683231][ T3568] RDX: 0000000000000001 RSI: 00007f022aaa81e0 RDI: 0000000000000005 [ 375.691531][ T3568] RBP: 00007f022aaa81d0 R08: 0000000000000000 R09: 0000000000000000 [ 375.699919][ T3568] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 375.707872][ T3568] R13: 00007ffff2739d1f R14: 00007f022aaa8300 R15: 0000000000022000 [ 375.717614][ T3573] CPU: 1 PID: 3573 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 375.728259][ T3573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 375.738691][ T3573] Call Trace: [ 375.742103][ T3573] dump_stack_lvl+0x1e2/0x24b [ 375.746772][ T3573] ? bfq_pos_tree_add_move+0x43e/0x43e [ 375.752319][ T3573] ? vsnprintf+0x1fa/0x1cd0 [ 375.756904][ T3573] dump_stack+0x15/0x17 [ 375.761046][ T3573] should_fail+0x3c0/0x510 [ 375.765450][ T3573] should_fail_usercopy+0x1a/0x20 [ 375.770485][ T3573] _copy_from_user+0x20/0xd0 [ 375.775088][ T3573] kstrtouint_from_user+0xd7/0x2b0 [ 375.780270][ T3573] ? kstrtol_from_user+0x310/0x310 [ 375.785552][ T3573] ? snprintf+0xd6/0x120 [ 375.789778][ T3573] ? avc_policy_seqno+0x1b/0x70 [ 375.794619][ T3573] ? selinux_file_permission+0x2a9/0x520 [ 375.800353][ T3573] proc_fail_nth_write+0xa5/0x290 [ 375.805453][ T3573] ? security_file_permission+0x9d/0xc0 [ 375.810980][ T3573] ? proc_fail_nth_read+0x220/0x220 [ 375.816607][ T3573] ? security_file_permission+0xa8/0xc0 [ 375.822162][ T3573] ? rw_verify_area+0x1c2/0x360 [ 375.827031][ T3573] ? proc_fail_nth_read+0x220/0x220 [ 375.832298][ T3573] vfs_write+0x39b/0xf80 [ 375.836532][ T3573] ? kernel_write+0x420/0x420 [ 375.841508][ T3573] ? __kasan_check_write+0x14/0x20 [ 375.846807][ T3573] ? mutex_lock+0xb2/0x1e0 [ 375.851218][ T3573] ? mutex_trylock+0x180/0x180 [ 375.855965][ T3573] ? __fdget_pos+0x26d/0x310 [ 375.860631][ T3573] ? ksys_write+0x77/0x2c0 [ 375.865031][ T3573] ksys_write+0x198/0x2c0 [ 375.869610][ T3573] ? __ia32_sys_read+0x90/0x90 [ 375.874488][ T3573] ? debug_smp_processor_id+0x17/0x20 [ 375.879852][ T3573] __x64_sys_write+0x7b/0x90 [ 375.884820][ T3573] do_syscall_64+0x34/0x70 [ 375.889224][ T3573] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 375.895888][ T3573] RIP: 0033:0x7faa22393b5f [ 375.900572][ T3573] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 375.921094][ T3573] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 375.930197][ T3573] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 375.938340][ T3573] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 375.946574][ T3573] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 375.954879][ T3573] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 375.962838][ T3573] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 375.971760][ T3578] CPU: 0 PID: 3578 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 375.982803][ T3578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 375.993125][ T3578] Call Trace: [ 375.996427][ T3578] dump_stack_lvl+0x1e2/0x24b [ 376.001088][ T3578] ? panic+0x7d7/0x7d7 [ 376.005219][ T3578] ? bfq_pos_tree_add_move+0x43e/0x43e [ 376.010832][ T3578] ? find_next_bit+0xd6/0x120 [ 376.015503][ T3578] ? cpumask_next+0x11/0x30 [ 376.020284][ T3578] dump_stack+0x15/0x17 [ 376.024454][ T3578] should_fail+0x3c0/0x510 [ 376.028868][ T3578] ? percpu_ref_init+0xd0/0x340 [ 376.033910][ T3578] __should_failslab+0x9f/0xe0 [ 376.038746][ T3578] should_failslab+0x9/0x20 [ 376.043413][ T3578] kmem_cache_alloc_trace+0x3a/0x330 [ 376.048766][ T3578] percpu_ref_init+0xd0/0x340 [ 376.053435][ T3578] ? cgroup_setup_root+0xea0/0xea0 [ 376.058542][ T3578] cgroup_apply_control_enable+0x3a2/0x12f0 [ 376.066039][ T3578] ? cgroup_reconfigure+0xe0/0xe0 [ 376.071321][ T3578] cgroup_apply_control+0x8e/0x7e0 [ 376.076413][ T3578] ? css_next_child+0x160/0x160 [ 376.081415][ T3578] ? io_schedule+0x120/0x120 [ 376.086090][ T3578] ? kernfs_fop_write_iter+0x15e/0x410 [ 376.091534][ T3578] ? __kasan_check_write+0x14/0x20 [ 376.096718][ T3578] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 376.101979][ T3578] cgroup_subtree_control_write+0xd19/0x1310 [ 376.108132][ T3578] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 376.114179][ T3578] ? __kasan_check_write+0x14/0x20 [ 376.119271][ T3578] ? _copy_from_iter+0x3fb/0xd60 [ 376.124208][ T3578] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 376.130271][ T3578] cgroup_file_write+0x28e/0x590 [ 376.135230][ T3578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 376.140335][ T3578] ? mutex_trylock+0x180/0x180 [ 376.145184][ T3578] ? __kasan_check_write+0x14/0x20 [ 376.150377][ T3578] kernfs_fop_write_iter+0x2d0/0x410 [ 376.155715][ T3578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 376.160898][ T3578] vfs_write+0xc4a/0xf80 [ 376.165121][ T3578] ? kernel_write+0x420/0x420 [ 376.170034][ T3578] ? mutex_lock+0xb2/0x1e0 [ 376.174825][ T3578] ? mutex_trylock+0x180/0x180 [ 376.179763][ T3578] ? __fdget_pos+0x26d/0x310 [ 376.184585][ T3578] ? ksys_write+0x77/0x2c0 [ 376.189382][ T3578] ksys_write+0x198/0x2c0 [ 376.193789][ T3578] ? __ia32_sys_read+0x90/0x90 [ 376.198538][ T3578] ? debug_smp_processor_id+0x17/0x20 [ 376.204234][ T3578] __x64_sys_write+0x7b/0x90 [ 376.208886][ T3578] do_syscall_64+0x34/0x70 [ 376.213297][ T3578] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 376.219260][ T3578] RIP: 0033:0x7f85191c4049 [ 376.223766][ T3578] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 376.243969][ T3578] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 376.253254][ T3578] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 376.262112][ T3578] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 376.270356][ T3578] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 376.278433][ T3578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 376.288050][ T3578] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 376.297850][ T3579] FAULT_INJECTION: forcing a failure. [ 376.297850][ T3579] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 376.313522][ T3579] CPU: 0 PID: 3579 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 376.324382][ T3579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 376.325933][ T3587] FAULT_INJECTION: forcing a failure. [ 376.325933][ T3587] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 376.334529][ T3579] Call Trace: [ 376.334556][ T3579] dump_stack_lvl+0x1e2/0x24b [ 376.334580][ T3579] ? bfq_pos_tree_add_move+0x43e/0x43e [ 376.362511][ T3579] ? vsnprintf+0x1fa/0x1cd0 [ 376.365008][ T3583] FAULT_INJECTION: forcing a failure. [ 376.365008][ T3583] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 376.367633][ T3579] dump_stack+0x15/0x17 [ 376.387589][ T3579] should_fail+0x3c0/0x510 [ 376.392694][ T3579] should_fail_usercopy+0x1a/0x20 [ 376.398152][ T3579] _copy_from_user+0x20/0xd0 [ 376.403002][ T3579] kstrtouint_from_user+0xd7/0x2b0 [ 376.408392][ T3579] ? kstrtol_from_user+0x310/0x310 [ 376.413585][ T3579] ? snprintf+0xd6/0x120 [ 376.418110][ T3579] ? avc_policy_seqno+0x1b/0x70 [ 376.422961][ T3579] ? selinux_file_permission+0x2a9/0x520 [ 376.429020][ T3579] proc_fail_nth_write+0xa5/0x290 [ 376.434111][ T3579] ? security_file_permission+0x9d/0xc0 [ 376.439635][ T3579] ? proc_fail_nth_read+0x220/0x220 [ 376.444829][ T3579] ? security_file_permission+0xa8/0xc0 [ 376.450455][ T3579] ? rw_verify_area+0x1c2/0x360 [ 376.455381][ T3579] ? proc_fail_nth_read+0x220/0x220 [ 376.460578][ T3579] vfs_write+0x39b/0xf80 [ 376.465201][ T3579] ? kernel_write+0x420/0x420 [ 376.470135][ T3579] ? __kasan_check_write+0x14/0x20 [ 376.475311][ T3579] ? mutex_lock+0xb2/0x1e0 [ 376.479895][ T3579] ? mutex_trylock+0x180/0x180 [ 376.484823][ T3579] ? __fdget_pos+0x26d/0x310 [ 376.489519][ T3579] ? ksys_write+0x77/0x2c0 [ 376.493926][ T3579] ksys_write+0x198/0x2c0 [ 376.498342][ T3579] ? __kasan_check_write+0x14/0x20 [ 376.503553][ T3579] ? __ia32_sys_read+0x90/0x90 [ 376.508670][ T3579] ? debug_smp_processor_id+0x17/0x20 [ 376.514250][ T3579] __x64_sys_write+0x7b/0x90 [ 376.519625][ T3579] do_syscall_64+0x34/0x70 [ 376.524035][ T3579] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 376.530101][ T3579] RIP: 0033:0x7f7d1c31ab5f [ 376.534612][ T3579] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 376.554397][ T3579] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 376.563057][ T3579] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 376.571378][ T3579] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 376.579775][ T3579] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 376.588167][ T3579] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 376.596317][ T3579] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 376.604375][ T3587] CPU: 1 PID: 3587 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 376.615602][ T3587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 376.625653][ T3587] Call Trace: [ 376.629128][ T3587] dump_stack_lvl+0x1e2/0x24b [ 376.633994][ T3587] ? bfq_pos_tree_add_move+0x43e/0x43e [ 376.639605][ T3587] ? vsnprintf+0x1fa/0x1cd0 [ 376.644528][ T3587] dump_stack+0x15/0x17 [ 376.648668][ T3587] should_fail+0x3c0/0x510 [ 376.653077][ T3587] should_fail_usercopy+0x1a/0x20 [ 376.658170][ T3587] _copy_from_user+0x20/0xd0 [ 376.658490][ T3585] FAULT_INJECTION: forcing a failure. [ 376.658490][ T3585] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 376.662745][ T3587] kstrtouint_from_user+0xd7/0x2b0 [ 376.662755][ T3587] ? kstrtol_from_user+0x310/0x310 [ 376.662771][ T3587] ? snprintf+0xd6/0x120 [ 376.691258][ T3587] ? avc_policy_seqno+0x1b/0x70 [ 376.696628][ T3587] ? selinux_file_permission+0x2a9/0x520 [ 376.702355][ T3587] proc_fail_nth_write+0xa5/0x290 [ 376.707365][ T3587] ? security_file_permission+0x9d/0xc0 [ 376.713084][ T3587] ? proc_fail_nth_read+0x220/0x220 [ 376.718538][ T3587] ? security_file_permission+0xa8/0xc0 [ 376.724164][ T3587] ? rw_verify_area+0x1c2/0x360 [ 376.729377][ T3587] ? proc_fail_nth_read+0x220/0x220 [ 376.734650][ T3587] vfs_write+0x39b/0xf80 [ 376.739589][ T3587] ? kernel_write+0x420/0x420 [ 376.744339][ T3587] ? __kasan_check_write+0x14/0x20 [ 376.749819][ T3587] ? mutex_lock+0xb2/0x1e0 [ 376.754316][ T3587] ? mutex_trylock+0x180/0x180 [ 376.759341][ T3587] ? __fdget_pos+0x26d/0x310 [ 376.764019][ T3587] ? ksys_write+0x77/0x2c0 [ 376.768701][ T3587] ksys_write+0x198/0x2c0 [ 376.773218][ T3587] ? __ia32_sys_read+0x90/0x90 [ 376.778232][ T3587] ? debug_smp_processor_id+0x17/0x20 [ 376.783674][ T3587] __x64_sys_write+0x7b/0x90 [ 376.788763][ T3587] do_syscall_64+0x34/0x70 [ 376.793812][ T3587] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 376.800006][ T3587] RIP: 0033:0x7f022ab05b5f [ 376.804508][ T3587] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 376.825612][ T3587] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 376.834550][ T3587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 376.843276][ T3587] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 376.851349][ T3587] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 376.859510][ T3587] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 376.868047][ T3587] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 376.876191][ T3585] CPU: 0 PID: 3585 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 376.886685][ T3585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 376.897944][ T3585] Call Trace: [ 376.901446][ T3585] dump_stack_lvl+0x1e2/0x24b [ 376.906208][ T3585] ? bfq_pos_tree_add_move+0x43e/0x43e [ 376.911876][ T3585] ? vsnprintf+0x1fa/0x1cd0 [ 376.916375][ T3585] dump_stack+0x15/0x17 [ 376.920814][ T3585] should_fail+0x3c0/0x510 [ 376.925680][ T3585] should_fail_usercopy+0x1a/0x20 [ 376.930751][ T3585] _copy_from_user+0x20/0xd0 [ 376.935425][ T3585] kstrtouint_from_user+0xd7/0x2b0 [ 376.940965][ T3585] ? kstrtol_from_user+0x310/0x310 [ 376.946338][ T3585] ? snprintf+0xd6/0x120 [ 376.951100][ T3585] ? avc_policy_seqno+0x1b/0x70 [ 376.956371][ T3585] ? selinux_file_permission+0x2a9/0x520 [ 376.962082][ T3585] proc_fail_nth_write+0xa5/0x290 [ 376.967377][ T3585] ? security_file_permission+0x9d/0xc0 [ 376.973182][ T3585] ? proc_fail_nth_read+0x220/0x220 [ 376.978517][ T3585] ? security_file_permission+0xa8/0xc0 [ 376.985542][ T3585] ? rw_verify_area+0x1c2/0x360 [ 376.990490][ T3585] ? proc_fail_nth_read+0x220/0x220 [ 376.995996][ T3585] vfs_write+0x39b/0xf80 [ 377.000339][ T3585] ? kernel_write+0x420/0x420 [ 377.005021][ T3585] ? __kasan_check_write+0x14/0x20 [ 377.010378][ T3585] ? mutex_lock+0xb2/0x1e0 [ 377.014879][ T3585] ? mutex_trylock+0x180/0x180 [ 377.019892][ T3585] ? __fdget_pos+0x26d/0x310 [ 377.024582][ T3585] ? ksys_write+0x77/0x2c0 [ 377.027224][ T3593] FAULT_INJECTION: forcing a failure. [ 377.027224][ T3593] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 377.029345][ T3585] ksys_write+0x198/0x2c0 [ 377.029362][ T3585] ? __ia32_sys_read+0x90/0x90 [ 377.052073][ T3585] ? debug_smp_processor_id+0x17/0x20 [ 377.057705][ T3585] __x64_sys_write+0x7b/0x90 [ 377.062278][ T3585] do_syscall_64+0x34/0x70 [ 377.066785][ T3585] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 377.073275][ T3585] RIP: 0033:0x7faa22393b5f [ 377.077684][ T3585] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 377.097772][ T3585] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 377.106182][ T3585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 377.114537][ T3585] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 377.123369][ T3585] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 377.131429][ T3585] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 377.137831][ T3595] FAULT_INJECTION: forcing a failure. [ 377.137831][ T3595] name failslab, interval 1, probability 0, space 0, times 0 [ 377.139391][ T3585] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 377.143771][ T3583] CPU: 0 PID: 3583 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 377.172144][ T3583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 377.182179][ T3583] Call Trace: [ 377.185577][ T3583] dump_stack_lvl+0x1e2/0x24b [ 377.190742][ T3583] ? bfq_pos_tree_add_move+0x43e/0x43e [ 377.196534][ T3583] ? vsnprintf+0x1fa/0x1cd0 [ 377.201225][ T3583] dump_stack+0x15/0x17 [ 377.205539][ T3583] should_fail+0x3c0/0x510 [ 377.210020][ T3583] should_fail_usercopy+0x1a/0x20 [ 377.215125][ T3583] _copy_from_user+0x20/0xd0 [ 377.219716][ T3583] kstrtouint_from_user+0xd7/0x2b0 [ 377.224891][ T3583] ? kstrtol_from_user+0x310/0x310 [ 377.230182][ T3583] ? snprintf+0xd6/0x120 [ 377.234506][ T3583] ? avc_policy_seqno+0x1b/0x70 [ 377.239338][ T3583] ? selinux_file_permission+0x2a9/0x520 [ 377.245226][ T3583] proc_fail_nth_write+0xa5/0x290 [ 377.250331][ T3583] ? security_file_permission+0x9d/0xc0 [ 377.256131][ T3583] ? proc_fail_nth_read+0x220/0x220 [ 377.261326][ T3583] ? security_file_permission+0xa8/0xc0 [ 377.266845][ T3583] ? rw_verify_area+0x1c2/0x360 [ 377.271846][ T3583] ? proc_fail_nth_read+0x220/0x220 [ 377.277019][ T3583] vfs_write+0x39b/0xf80 [ 377.281238][ T3583] ? kernel_write+0x420/0x420 [ 377.285904][ T3583] ? __kasan_check_write+0x14/0x20 [ 377.291010][ T3583] ? mutex_lock+0xb2/0x1e0 [ 377.295529][ T3583] ? mutex_trylock+0x180/0x180 [ 377.300704][ T3583] ? __fdget_pos+0x26d/0x310 [ 377.305448][ T3583] ? ksys_write+0x77/0x2c0 [ 377.310992][ T3583] ksys_write+0x198/0x2c0 [ 377.315493][ T3583] ? __kasan_check_write+0x14/0x20 [ 377.320590][ T3583] ? __ia32_sys_read+0x90/0x90 [ 377.325982][ T3583] ? debug_smp_processor_id+0x17/0x20 [ 377.331887][ T3583] __x64_sys_write+0x7b/0x90 [ 377.336477][ T3583] do_syscall_64+0x34/0x70 [ 377.341076][ T3583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 377.347126][ T3583] RIP: 0033:0x7f869ba6eb5f [ 377.351697][ T3583] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 377.371907][ T3583] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 377.380567][ T3583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 377.388623][ T3583] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 377.396630][ T3583] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 377.405023][ T3583] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 377.413422][ T3583] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 377.423066][ T3595] CPU: 0 PID: 3595 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 377.433877][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 377.444309][ T3595] Call Trace: [ 377.447600][ T3595] dump_stack_lvl+0x1e2/0x24b [ 377.452280][ T3595] ? panic+0x7d7/0x7d7 [ 377.456438][ T3595] ? bfq_pos_tree_add_move+0x43e/0x43e [ 377.462173][ T3595] ? find_next_bit+0xd6/0x120 [ 377.467028][ T3595] ? cpumask_next+0x11/0x30 [ 377.471531][ T3595] dump_stack+0x15/0x17 [ 377.476052][ T3595] should_fail+0x3c0/0x510 [ 377.480739][ T3595] ? percpu_ref_init+0xd0/0x340 [ 377.485939][ T3595] __should_failslab+0x9f/0xe0 [ 377.491471][ T3595] should_failslab+0x9/0x20 [ 377.495970][ T3595] kmem_cache_alloc_trace+0x3a/0x330 [ 377.501320][ T3595] percpu_ref_init+0xd0/0x340 [ 377.506384][ T3595] ? cgroup_setup_root+0xea0/0xea0 [ 377.511770][ T3595] cgroup_apply_control_enable+0x3a2/0x12f0 [ 377.518134][ T3595] ? cgroup_reconfigure+0xe0/0xe0 [ 377.524046][ T3595] cgroup_apply_control+0x8e/0x7e0 [ 377.529418][ T3595] ? css_next_child+0x160/0x160 [ 377.534275][ T3595] ? io_schedule+0x120/0x120 [ 377.539065][ T3595] ? kernfs_fop_write_iter+0x15e/0x410 [ 377.544862][ T3595] ? __kasan_check_write+0x14/0x20 [ 377.550162][ T3595] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 377.555515][ T3595] cgroup_subtree_control_write+0xd19/0x1310 [ 377.561644][ T3595] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 377.567603][ T3595] ? __kasan_check_write+0x14/0x20 [ 377.572867][ T3595] ? _copy_from_iter+0x3fb/0xd60 [ 377.577892][ T3595] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 377.584995][ T3595] cgroup_file_write+0x28e/0x590 [ 377.590188][ T3595] ? cgroup_seqfile_stop+0xc0/0xc0 [ 377.595677][ T3595] ? mutex_trylock+0x180/0x180 [ 377.600598][ T3595] ? __kasan_check_write+0x14/0x20 [ 377.605884][ T3595] kernfs_fop_write_iter+0x2d0/0x410 [ 377.611350][ T3595] ? cgroup_seqfile_stop+0xc0/0xc0 [ 377.616706][ T3595] vfs_write+0xc4a/0xf80 [ 377.621103][ T3595] ? kernel_write+0x420/0x420 [ 377.626120][ T3595] ? mutex_lock+0xb2/0x1e0 [ 377.631214][ T3595] ? mutex_trylock+0x180/0x180 [ 377.636481][ T3595] ? __fdget_pos+0x26d/0x310 [ 377.641273][ T3595] ? ksys_write+0x77/0x2c0 [ 377.645850][ T3595] ksys_write+0x198/0x2c0 [ 377.650546][ T3595] ? __ia32_sys_read+0x90/0x90 [ 377.655462][ T3595] ? debug_smp_processor_id+0x17/0x20 [ 377.660832][ T3595] __x64_sys_write+0x7b/0x90 [ 377.665532][ T3595] do_syscall_64+0x34/0x70 [ 377.670111][ T3595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 377.676065][ T3595] RIP: 0033:0x7f85191c4049 [ 377.680462][ T3595] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 377.700310][ T3595] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 377.709062][ T3595] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 377.717275][ T3595] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 377.725496][ T3595] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 377.733975][ T3595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 377.742246][ T3595] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 377.750835][ T3593] CPU: 1 PID: 3593 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 377.759314][ T3597] FAULT_INJECTION: forcing a failure. [ 377.759314][ T3597] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 377.761243][ T3593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 377.761248][ T3593] Call Trace: [ 377.761266][ T3593] dump_stack_lvl+0x1e2/0x24b [ 377.761284][ T3593] ? bfq_pos_tree_add_move+0x43e/0x43e [ 377.799361][ T3593] ? vsnprintf+0x1fa/0x1cd0 [ 377.803867][ T3593] dump_stack+0x15/0x17 [ 377.809689][ T3593] should_fail+0x3c0/0x510 [ 377.814189][ T3593] should_fail_usercopy+0x1a/0x20 [ 377.819230][ T3593] _copy_from_user+0x20/0xd0 [ 377.824729][ T3593] kstrtouint_from_user+0xd7/0x2b0 [ 377.831152][ T3593] ? kstrtol_from_user+0x310/0x310 [ 377.836334][ T3593] ? snprintf+0xd6/0x120 [ 377.840740][ T3593] ? avc_policy_seqno+0x1b/0x70 [ 377.845585][ T3593] ? selinux_file_permission+0x2a9/0x520 [ 377.851382][ T3593] proc_fail_nth_write+0xa5/0x290 [ 377.856676][ T3593] ? security_file_permission+0x9d/0xc0 [ 377.862396][ T3593] ? proc_fail_nth_read+0x220/0x220 [ 377.867579][ T3593] ? security_file_permission+0xa8/0xc0 [ 377.873300][ T3593] ? rw_verify_area+0x1c2/0x360 [ 377.878236][ T3593] ? proc_fail_nth_read+0x220/0x220 [ 377.883607][ T3593] vfs_write+0x39b/0xf80 [ 377.887924][ T3593] ? kernel_write+0x420/0x420 [ 377.892585][ T3593] ? __kasan_check_write+0x14/0x20 [ 377.898377][ T3593] ? mutex_lock+0xb2/0x1e0 [ 377.902878][ T3593] ? mutex_trylock+0x180/0x180 [ 377.907626][ T3593] ? __fdget_pos+0x26d/0x310 [ 377.912387][ T3593] ? ksys_write+0x77/0x2c0 [ 377.916872][ T3593] ksys_write+0x198/0x2c0 [ 377.921190][ T3593] ? __ia32_sys_read+0x90/0x90 [ 377.926323][ T3593] ? debug_smp_processor_id+0x17/0x20 [ 377.931910][ T3593] __x64_sys_write+0x7b/0x90 [ 377.936572][ T3593] do_syscall_64+0x34/0x70 [ 377.941080][ T3593] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 377.947041][ T3593] RIP: 0033:0x7f022ab05b5f [ 377.951442][ T3593] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 377.971668][ T3593] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 377.980896][ T3593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 377.988948][ T3593] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 377.997435][ T3593] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 378.005830][ T3593] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 378.014493][ T3593] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 378.022702][ T3597] CPU: 0 PID: 3597 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 378.027595][ T3596] FAULT_INJECTION: forcing a failure. [ 378.027595][ T3596] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 378.033303][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 378.033308][ T3597] Call Trace: [ 378.033330][ T3597] dump_stack_lvl+0x1e2/0x24b [ 378.033349][ T3597] ? bfq_pos_tree_add_move+0x43e/0x43e [ 378.070155][ T3597] ? vsnprintf+0x1fa/0x1cd0 [ 378.074825][ T3597] dump_stack+0x15/0x17 [ 378.079197][ T3597] should_fail+0x3c0/0x510 [ 378.083608][ T3597] should_fail_usercopy+0x1a/0x20 [ 378.088810][ T3597] _copy_from_user+0x20/0xd0 [ 378.093407][ T3597] kstrtouint_from_user+0xd7/0x2b0 [ 378.098544][ T3597] ? kstrtol_from_user+0x310/0x310 [ 378.103735][ T3597] ? snprintf+0xd6/0x120 [ 378.107967][ T3597] ? avc_policy_seqno+0x1b/0x70 [ 378.112827][ T3597] ? selinux_file_permission+0x2a9/0x520 [ 378.118803][ T3597] proc_fail_nth_write+0xa5/0x290 [ 378.123987][ T3597] ? security_file_permission+0x9d/0xc0 [ 378.129543][ T3597] ? proc_fail_nth_read+0x220/0x220 [ 378.134808][ T3597] ? security_file_permission+0xa8/0xc0 [ 378.140454][ T3597] ? rw_verify_area+0x1c2/0x360 [ 378.145412][ T3597] ? proc_fail_nth_read+0x220/0x220 [ 378.150677][ T3597] vfs_write+0x39b/0xf80 [ 378.155080][ T3597] ? kernel_write+0x420/0x420 [ 378.159738][ T3597] ? __kasan_check_write+0x14/0x20 [ 378.165445][ T3597] ? mutex_lock+0xb2/0x1e0 [ 378.169881][ T3597] ? mutex_trylock+0x180/0x180 [ 378.174818][ T3597] ? __fdget_pos+0x26d/0x310 [ 378.179402][ T3597] ? ksys_write+0x77/0x2c0 [ 378.183798][ T3597] ksys_write+0x198/0x2c0 [ 378.188543][ T3597] ? __kasan_check_write+0x14/0x20 [ 378.193648][ T3597] ? __ia32_sys_read+0x90/0x90 [ 378.198478][ T3597] ? debug_smp_processor_id+0x17/0x20 [ 378.203923][ T3597] __x64_sys_write+0x7b/0x90 [ 378.208508][ T3597] do_syscall_64+0x34/0x70 [ 378.212924][ T3597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 378.218795][ T3597] RIP: 0033:0x7f7d1c31ab5f [ 378.223241][ T3597] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 378.243187][ T3597] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 378.251584][ T3597] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 378.259533][ T3597] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 378.267728][ T3597] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 378.275680][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 378.283728][ T3597] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 378.292211][ T3596] CPU: 1 PID: 3596 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 378.294649][ T3599] FAULT_INJECTION: forcing a failure. [ 378.294649][ T3599] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 378.302535][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 378.302539][ T3596] Call Trace: [ 378.302557][ T3596] dump_stack_lvl+0x1e2/0x24b [ 378.302567][ T3596] ? bfq_pos_tree_add_move+0x43e/0x43e [ 378.302576][ T3596] ? vsnprintf+0x1fa/0x1cd0 [ 378.302592][ T3596] dump_stack+0x15/0x17 [ 378.316213][ T3601] FAULT_INJECTION: forcing a failure. [ 378.316213][ T3601] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 378.327086][ T3596] should_fail+0x3c0/0x510 [ 378.327096][ T3596] should_fail_usercopy+0x1a/0x20 [ 378.327106][ T3596] _copy_from_user+0x20/0xd0 [ 378.327116][ T3596] kstrtouint_from_user+0xd7/0x2b0 [ 378.327125][ T3596] ? kstrtol_from_user+0x310/0x310 [ 378.327144][ T3596] ? snprintf+0xd6/0x120 [ 378.398887][ T3596] ? avc_policy_seqno+0x1b/0x70 [ 378.403848][ T3596] ? selinux_file_permission+0x2a9/0x520 [ 378.409884][ T3596] proc_fail_nth_write+0xa5/0x290 [ 378.416265][ T3596] ? security_file_permission+0x9d/0xc0 [ 378.422536][ T3596] ? proc_fail_nth_read+0x220/0x220 [ 378.428377][ T3596] ? security_file_permission+0xa8/0xc0 [ 378.434471][ T3596] ? rw_verify_area+0x1c2/0x360 [ 378.439654][ T3596] ? proc_fail_nth_read+0x220/0x220 [ 378.445292][ T3596] vfs_write+0x39b/0xf80 [ 378.449516][ T3596] ? kernel_write+0x420/0x420 [ 378.454263][ T3596] ? __kasan_check_write+0x14/0x20 [ 378.459458][ T3596] ? mutex_lock+0xb2/0x1e0 [ 378.463848][ T3596] ? mutex_trylock+0x180/0x180 [ 378.468829][ T3596] ? __fdget_pos+0x26d/0x310 [ 378.473567][ T3596] ? ksys_write+0x77/0x2c0 [ 378.478053][ T3596] ksys_write+0x198/0x2c0 [ 378.482357][ T3596] ? __kasan_check_write+0x14/0x20 [ 378.487532][ T3596] ? __ia32_sys_read+0x90/0x90 [ 378.492292][ T3596] ? debug_smp_processor_id+0x17/0x20 [ 378.498007][ T3596] __x64_sys_write+0x7b/0x90 [ 378.502603][ T3596] do_syscall_64+0x34/0x70 [ 378.507028][ T3596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 378.513094][ T3596] RIP: 0033:0x7f6ebe0d0b5f [ 378.517502][ T3596] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 378.538043][ T3596] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 378.546714][ T3596] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 378.554985][ T3596] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 378.563104][ T3596] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 378.573694][ T3596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 378.582095][ T3596] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 378.591454][ T3599] CPU: 0 PID: 3599 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 378.602277][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 378.612675][ T3599] Call Trace: [ 378.616931][ T3599] dump_stack_lvl+0x1e2/0x24b [ 378.621626][ T3599] ? bfq_pos_tree_add_move+0x43e/0x43e [ 378.627251][ T3599] ? vsnprintf+0x1fa/0x1cd0 [ 378.631745][ T3599] dump_stack+0x15/0x17 [ 378.636093][ T3599] should_fail+0x3c0/0x510 [ 378.640580][ T3599] should_fail_usercopy+0x1a/0x20 [ 378.645957][ T3599] _copy_from_user+0x20/0xd0 [ 378.652324][ T3599] kstrtouint_from_user+0xd7/0x2b0 [ 378.657498][ T3599] ? kstrtol_from_user+0x310/0x310 [ 378.662770][ T3599] ? snprintf+0xd6/0x120 [ 378.667009][ T3599] ? avc_policy_seqno+0x1b/0x70 [ 378.672446][ T3599] ? selinux_file_permission+0x2a9/0x520 [ 378.678329][ T3599] proc_fail_nth_write+0xa5/0x290 [ 378.683931][ T3599] ? security_file_permission+0x9d/0xc0 [ 378.689463][ T3599] ? proc_fail_nth_read+0x220/0x220 [ 378.694749][ T3599] ? security_file_permission+0xa8/0xc0 [ 378.700309][ T3599] ? rw_verify_area+0x1c2/0x360 [ 378.705143][ T3599] ? proc_fail_nth_read+0x220/0x220 [ 378.710320][ T3599] vfs_write+0x39b/0xf80 [ 378.714750][ T3599] ? kernel_write+0x420/0x420 [ 378.719606][ T3599] ? __kasan_check_write+0x14/0x20 [ 378.724711][ T3599] ? mutex_lock+0xb2/0x1e0 [ 378.729191][ T3599] ? mutex_trylock+0x180/0x180 [ 378.733930][ T3599] ? __fdget_pos+0x26d/0x310 [ 378.738863][ T3599] ? ksys_write+0x77/0x2c0 [ 378.743356][ T3599] ksys_write+0x198/0x2c0 [ 378.747842][ T3599] ? __kasan_check_write+0x14/0x20 [ 378.753276][ T3599] ? __ia32_sys_read+0x90/0x90 [ 378.758028][ T3599] ? debug_smp_processor_id+0x17/0x20 [ 378.763468][ T3599] __x64_sys_write+0x7b/0x90 [ 378.769449][ T3599] do_syscall_64+0x34/0x70 [ 378.773959][ T3599] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 378.780014][ T3599] RIP: 0033:0x7faa22393b5f [ 378.784697][ T3599] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 378.804550][ T3599] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 378.813121][ T3599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 378.821413][ T3599] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 378.829457][ T3599] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 378.837857][ T3599] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 378.846202][ T3599] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 378.855087][ T3601] CPU: 0 PID: 3601 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 378.865505][ T3601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 378.875551][ T3601] Call Trace: [ 378.878835][ T3601] dump_stack_lvl+0x1e2/0x24b [ 378.883663][ T3601] ? bfq_pos_tree_add_move+0x43e/0x43e [ 378.889186][ T3601] ? vsnprintf+0x1fa/0x1cd0 [ 378.893666][ T3601] dump_stack+0x15/0x17 [ 378.897889][ T3601] should_fail+0x3c0/0x510 [ 378.902382][ T3601] should_fail_usercopy+0x1a/0x20 [ 378.907390][ T3601] _copy_from_user+0x20/0xd0 [ 378.912241][ T3601] kstrtouint_from_user+0xd7/0x2b0 [ 378.917855][ T3601] ? kstrtol_from_user+0x310/0x310 [ 378.922955][ T3601] ? snprintf+0xd6/0x120 [ 378.927187][ T3601] ? avc_policy_seqno+0x1b/0x70 [ 378.932111][ T3601] ? selinux_file_permission+0x2a9/0x520 [ 378.937721][ T3601] proc_fail_nth_write+0xa5/0x290 [ 378.942821][ T3601] ? security_file_permission+0x9d/0xc0 [ 378.948535][ T3601] ? proc_fail_nth_read+0x220/0x220 [ 378.953724][ T3601] ? security_file_permission+0xa8/0xc0 [ 378.959271][ T3601] ? rw_verify_area+0x1c2/0x360 [ 378.964478][ T3601] ? proc_fail_nth_read+0x220/0x220 [ 378.969848][ T3601] vfs_write+0x39b/0xf80 [ 378.974290][ T3601] ? kernel_write+0x420/0x420 [ 378.978957][ T3601] ? __kasan_check_write+0x14/0x20 [ 378.984445][ T3601] ? mutex_lock+0xb2/0x1e0 [ 378.989687][ T3601] ? mutex_trylock+0x180/0x180 [ 378.994455][ T3601] ? __fdget_pos+0x26d/0x310 [ 378.999232][ T3601] ? ksys_write+0x77/0x2c0 [ 379.003718][ T3601] ksys_write+0x198/0x2c0 [ 379.008573][ T3601] ? __kasan_check_write+0x14/0x20 [ 379.014044][ T3601] ? __ia32_sys_read+0x90/0x90 [ 379.018970][ T3601] ? debug_smp_processor_id+0x17/0x20 [ 379.024673][ T3601] __x64_sys_write+0x7b/0x90 [ 379.029394][ T3601] do_syscall_64+0x34/0x70 [ 379.033805][ T3601] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 379.040113][ T3601] RIP: 0033:0x7f869ba6eb5f [ 379.044680][ T3601] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 379.064456][ T3601] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 379.072946][ T3601] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 379.080907][ T3601] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 379.088944][ T3601] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 379.096990][ T3601] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 379.105108][ T3601] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 379.166567][ T3605] FAULT_INJECTION: forcing a failure. [ 379.166567][ T3605] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 379.167351][ T3606] FAULT_INJECTION: forcing a failure. [ 379.167351][ T3606] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 379.184436][ T3609] FAULT_INJECTION: forcing a failure. [ 379.184436][ T3609] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 379.196701][ T3611] FAULT_INJECTION: forcing a failure. [ 379.196701][ T3611] name failslab, interval 1, probability 0, space 0, times 0 [ 379.210098][ T3605] CPU: 0 PID: 3605 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 379.230038][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 379.240083][ T3605] Call Trace: [ 379.243395][ T3605] dump_stack_lvl+0x1e2/0x24b [ 379.248057][ T3605] ? bfq_pos_tree_add_move+0x43e/0x43e [ 379.253605][ T3605] ? vsnprintf+0x1fa/0x1cd0 [ 379.258097][ T3605] dump_stack+0x15/0x17 [ 379.262616][ T3605] should_fail+0x3c0/0x510 [ 379.267014][ T3605] should_fail_usercopy+0x1a/0x20 [ 379.272030][ T3605] _copy_from_user+0x20/0xd0 [ 379.276872][ T3605] kstrtouint_from_user+0xd7/0x2b0 [ 379.282081][ T3605] ? kstrtol_from_user+0x310/0x310 [ 379.287177][ T3605] ? snprintf+0xd6/0x120 [ 379.291420][ T3605] ? avc_policy_seqno+0x1b/0x70 [ 379.296378][ T3605] ? selinux_file_permission+0x2a9/0x520 [ 379.302341][ T3605] proc_fail_nth_write+0xa5/0x290 [ 379.307346][ T3605] ? security_file_permission+0x9d/0xc0 [ 379.312888][ T3605] ? proc_fail_nth_read+0x220/0x220 [ 379.318468][ T3605] ? security_file_permission+0xa8/0xc0 [ 379.324220][ T3605] ? rw_verify_area+0x1c2/0x360 [ 379.329447][ T3605] ? proc_fail_nth_read+0x220/0x220 [ 379.334629][ T3605] vfs_write+0x39b/0xf80 [ 379.338861][ T3605] ? kernel_write+0x420/0x420 [ 379.343714][ T3605] ? __kasan_check_write+0x14/0x20 [ 379.349016][ T3605] ? mutex_lock+0xb2/0x1e0 [ 379.353995][ T3605] ? mutex_trylock+0x180/0x180 [ 379.359187][ T3605] ? __fdget_pos+0x26d/0x310 [ 379.363853][ T3605] ? ksys_write+0x77/0x2c0 [ 379.368442][ T3605] ksys_write+0x198/0x2c0 [ 379.373045][ T3605] ? __ia32_sys_read+0x90/0x90 [ 379.378660][ T3605] ? debug_smp_processor_id+0x17/0x20 [ 379.384537][ T3605] __x64_sys_write+0x7b/0x90 [ 379.389397][ T3605] do_syscall_64+0x34/0x70 [ 379.393806][ T3605] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 379.400389][ T3605] RIP: 0033:0x7f022ab05b5f [ 379.405006][ T3605] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 379.429098][ T3605] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 379.438955][ T3605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 379.447612][ T3605] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 379.455841][ T3605] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 379.463896][ T3605] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 379.472501][ T3605] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 379.480674][ T3611] CPU: 1 PID: 3611 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 379.492165][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 379.502206][ T3611] Call Trace: [ 379.505482][ T3611] dump_stack_lvl+0x1e2/0x24b [ 379.510597][ T3611] ? panic+0x7d7/0x7d7 [ 379.514765][ T3611] ? bfq_pos_tree_add_move+0x43e/0x43e [ 379.520499][ T3611] ? find_next_bit+0xd6/0x120 [ 379.525296][ T3611] ? cpumask_next+0x11/0x30 [ 379.529801][ T3611] dump_stack+0x15/0x17 [ 379.534226][ T3611] should_fail+0x3c0/0x510 [ 379.538750][ T3611] ? percpu_ref_init+0xd0/0x340 [ 379.543864][ T3611] __should_failslab+0x9f/0xe0 [ 379.548817][ T3611] should_failslab+0x9/0x20 [ 379.553420][ T3611] kmem_cache_alloc_trace+0x3a/0x330 [ 379.558696][ T3611] percpu_ref_init+0xd0/0x340 [ 379.563358][ T3611] ? cgroup_setup_root+0xea0/0xea0 [ 379.568657][ T3611] cgroup_apply_control_enable+0x3a2/0x12f0 [ 379.574738][ T3611] ? cgroup_reconfigure+0xe0/0xe0 [ 379.580005][ T3611] cgroup_apply_control+0x8e/0x7e0 [ 379.585107][ T3611] ? css_next_child+0x160/0x160 [ 379.590049][ T3611] ? io_schedule+0x120/0x120 [ 379.594822][ T3611] ? kernfs_fop_write_iter+0x15e/0x410 [ 379.600264][ T3611] ? __kasan_check_write+0x14/0x20 [ 379.605358][ T3611] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 379.610666][ T3611] cgroup_subtree_control_write+0xd19/0x1310 [ 379.616654][ T3611] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 379.623244][ T3611] ? __kasan_check_write+0x14/0x20 [ 379.628528][ T3611] ? _copy_from_iter+0x3fb/0xd60 [ 379.633581][ T3611] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 379.639741][ T3611] cgroup_file_write+0x28e/0x590 [ 379.644672][ T3611] ? cgroup_seqfile_stop+0xc0/0xc0 [ 379.650127][ T3611] ? mutex_trylock+0x180/0x180 [ 379.654985][ T3611] ? __kasan_check_write+0x14/0x20 [ 379.660081][ T3611] kernfs_fop_write_iter+0x2d0/0x410 [ 379.665353][ T3611] ? cgroup_seqfile_stop+0xc0/0xc0 [ 379.670546][ T3611] vfs_write+0xc4a/0xf80 [ 379.674805][ T3611] ? kernel_write+0x420/0x420 [ 379.679590][ T3611] ? mutex_lock+0xb2/0x1e0 [ 379.684084][ T3611] ? mutex_trylock+0x180/0x180 [ 379.688837][ T3611] ? __fdget_pos+0x26d/0x310 [ 379.693492][ T3611] ? ksys_write+0x77/0x2c0 [ 379.697895][ T3611] ksys_write+0x198/0x2c0 [ 379.702356][ T3611] ? __ia32_sys_read+0x90/0x90 [ 379.707108][ T3611] ? debug_smp_processor_id+0x17/0x20 [ 379.712872][ T3611] __x64_sys_write+0x7b/0x90 [ 379.717890][ T3611] do_syscall_64+0x34/0x70 [ 379.722290][ T3611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 379.728161][ T3611] RIP: 0033:0x7f85191c4049 [ 379.732648][ T3611] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 379.752414][ T3611] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 379.760899][ T3611] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 379.769137][ T3611] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 379.777353][ T3611] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 379.785445][ T3611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 379.793780][ T3611] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 379.802097][ T3609] CPU: 0 PID: 3609 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 379.812426][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 379.822466][ T3609] Call Trace: [ 379.826211][ T3609] dump_stack_lvl+0x1e2/0x24b [ 379.831131][ T3609] ? bfq_pos_tree_add_move+0x43e/0x43e [ 379.837016][ T3609] ? vsnprintf+0x1fa/0x1cd0 [ 379.841596][ T3609] dump_stack+0x15/0x17 [ 379.845728][ T3609] should_fail+0x3c0/0x510 [ 379.850121][ T3609] should_fail_usercopy+0x1a/0x20 [ 379.855129][ T3609] _copy_from_user+0x20/0xd0 [ 379.859979][ T3609] kstrtouint_from_user+0xd7/0x2b0 [ 379.865359][ T3609] ? kstrtol_from_user+0x310/0x310 [ 379.870535][ T3609] ? snprintf+0xd6/0x120 [ 379.875015][ T3609] ? avc_policy_seqno+0x1b/0x70 [ 379.880032][ T3609] ? selinux_file_permission+0x2a9/0x520 [ 379.885881][ T3609] proc_fail_nth_write+0xa5/0x290 [ 379.891002][ T3609] ? security_file_permission+0x9d/0xc0 [ 379.897402][ T3609] ? proc_fail_nth_read+0x220/0x220 [ 379.902847][ T3609] ? security_file_permission+0xa8/0xc0 [ 379.908379][ T3609] ? rw_verify_area+0x1c2/0x360 [ 379.913381][ T3609] ? proc_fail_nth_read+0x220/0x220 [ 379.918945][ T3609] vfs_write+0x39b/0xf80 [ 379.923440][ T3609] ? kernel_write+0x420/0x420 [ 379.929156][ T3609] ? __kasan_check_write+0x14/0x20 [ 379.934708][ T3609] ? mutex_lock+0xb2/0x1e0 [ 379.939413][ T3609] ? mutex_trylock+0x180/0x180 [ 379.944907][ T3609] ? __fdget_pos+0x26d/0x310 [ 379.949622][ T3609] ? ksys_write+0x77/0x2c0 [ 379.954285][ T3609] ksys_write+0x198/0x2c0 [ 379.959330][ T3609] ? __ia32_sys_read+0x90/0x90 [ 379.964080][ T3609] ? debug_smp_processor_id+0x17/0x20 [ 379.969623][ T3609] __x64_sys_write+0x7b/0x90 [ 379.974499][ T3609] do_syscall_64+0x34/0x70 [ 379.978904][ T3609] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 379.985307][ T3609] RIP: 0033:0x7f6ebe0d0b5f [ 379.989918][ T3609] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 380.009870][ T3609] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 2022/08/30 17:02:00 executed programs: 1433 [ 380.018438][ T3609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 380.026831][ T3609] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 380.034782][ T3609] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 380.042983][ T3609] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 380.051629][ T3609] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 380.063269][ T3606] CPU: 1 PID: 3606 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 380.075652][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 380.085794][ T3606] Call Trace: [ 380.089090][ T3606] dump_stack_lvl+0x1e2/0x24b [ 380.094037][ T3606] ? bfq_pos_tree_add_move+0x43e/0x43e [ 380.099587][ T3606] ? vsnprintf+0x1fa/0x1cd0 [ 380.099934][ T3621] FAULT_INJECTION: forcing a failure. [ 380.099934][ T3621] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 380.104184][ T3606] dump_stack+0x15/0x17 [ 380.104195][ T3606] should_fail+0x3c0/0x510 [ 380.104211][ T3606] should_fail_usercopy+0x1a/0x20 [ 380.131354][ T3606] _copy_from_user+0x20/0xd0 [ 380.135942][ T3606] kstrtouint_from_user+0xd7/0x2b0 [ 380.141298][ T3606] ? kstrtol_from_user+0x310/0x310 [ 380.146678][ T3606] ? snprintf+0xd6/0x120 [ 380.151008][ T3606] ? avc_policy_seqno+0x1b/0x70 [ 380.155850][ T3606] ? selinux_file_permission+0x2a9/0x520 [ 380.161544][ T3606] proc_fail_nth_write+0xa5/0x290 [ 380.166954][ T3606] ? security_file_permission+0x9d/0xc0 [ 380.172706][ T3606] ? proc_fail_nth_read+0x220/0x220 [ 380.175013][ T3616] FAULT_INJECTION: forcing a failure. [ 380.175013][ T3616] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 380.178711][ T3606] ? security_file_permission+0xa8/0xc0 [ 380.178725][ T3606] ? rw_verify_area+0x1c2/0x360 [ 380.178734][ T3606] ? proc_fail_nth_read+0x220/0x220 [ 380.178743][ T3606] vfs_write+0x39b/0xf80 [ 380.178754][ T3606] ? kernel_write+0x420/0x420 [ 380.178774][ T3606] ? __kasan_check_write+0x14/0x20 [ 380.225186][ T3606] ? mutex_lock+0xb2/0x1e0 [ 380.230340][ T3606] ? mutex_trylock+0x180/0x180 [ 380.235356][ T3606] ? __fdget_pos+0x26d/0x310 [ 380.240632][ T3606] ? ksys_write+0x77/0x2c0 [ 380.245152][ T3606] ksys_write+0x198/0x2c0 [ 380.250244][ T3606] ? __ia32_sys_read+0x90/0x90 [ 380.255271][ T3606] ? debug_smp_processor_id+0x17/0x20 [ 380.261161][ T3606] __x64_sys_write+0x7b/0x90 [ 380.265926][ T3606] do_syscall_64+0x34/0x70 [ 380.270510][ T3606] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 380.276565][ T3606] RIP: 0033:0x7f7d1c31ab5f [ 380.281204][ T3606] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 380.302385][ T3606] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 380.311577][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 380.319926][ T3606] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 380.328331][ T3606] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 380.336577][ T3606] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 380.345491][ T3606] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 380.353815][ T3616] CPU: 0 PID: 3616 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 380.357398][ T3624] FAULT_INJECTION: forcing a failure. [ 380.357398][ T3624] name failslab, interval 1, probability 0, space 0, times 0 [ 380.365498][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 380.365504][ T3616] Call Trace: [ 380.365522][ T3616] dump_stack_lvl+0x1e2/0x24b [ 380.365533][ T3616] ? bfq_pos_tree_add_move+0x43e/0x43e [ 380.365552][ T3616] ? vsnprintf+0x1fa/0x1cd0 [ 380.416360][ T3616] dump_stack+0x15/0x17 [ 380.420830][ T3616] should_fail+0x3c0/0x510 [ 380.425328][ T3616] should_fail_usercopy+0x1a/0x20 [ 380.431418][ T3616] _copy_from_user+0x20/0xd0 [ 380.436369][ T3616] kstrtouint_from_user+0xd7/0x2b0 [ 380.441758][ T3616] ? kstrtol_from_user+0x310/0x310 [ 380.447299][ T3616] ? snprintf+0xd6/0x120 [ 380.451557][ T3616] ? avc_policy_seqno+0x1b/0x70 [ 380.456458][ T3616] ? selinux_file_permission+0x2a9/0x520 [ 380.462423][ T3616] proc_fail_nth_write+0xa5/0x290 [ 380.467540][ T3616] ? security_file_permission+0x9d/0xc0 [ 380.473247][ T3616] ? proc_fail_nth_read+0x220/0x220 [ 380.478516][ T3616] ? security_file_permission+0xa8/0xc0 [ 380.484235][ T3616] ? rw_verify_area+0x1c2/0x360 [ 380.489107][ T3616] ? proc_fail_nth_read+0x220/0x220 [ 380.494317][ T3616] vfs_write+0x39b/0xf80 [ 380.498648][ T3616] ? kernel_write+0x420/0x420 [ 380.503524][ T3616] ? __kasan_check_write+0x14/0x20 [ 380.508827][ T3616] ? mutex_lock+0xb2/0x1e0 [ 380.513221][ T3616] ? mutex_trylock+0x180/0x180 [ 380.518315][ T3616] ? __fdget_pos+0x26d/0x310 [ 380.522981][ T3616] ? ksys_write+0x77/0x2c0 [ 380.527480][ T3616] ksys_write+0x198/0x2c0 [ 380.531878][ T3616] ? __kasan_check_write+0x14/0x20 [ 380.537456][ T3616] ? __ia32_sys_read+0x90/0x90 [ 380.542472][ T3616] ? debug_smp_processor_id+0x17/0x20 [ 380.548144][ T3616] __x64_sys_write+0x7b/0x90 [ 380.553005][ T3616] do_syscall_64+0x34/0x70 [ 380.557411][ T3616] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 380.563460][ T3616] RIP: 0033:0x7f022ab05b5f [ 380.567860][ T3616] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 380.588500][ T3616] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 380.597014][ T3616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 380.605094][ T3616] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 380.613229][ T3616] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 380.621823][ T3616] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 380.629868][ T3616] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 380.638094][ T3624] CPU: 1 PID: 3624 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 380.648676][ T3624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 380.658904][ T3624] Call Trace: [ 380.662276][ T3624] dump_stack_lvl+0x1e2/0x24b [ 380.667122][ T3624] ? panic+0x7d7/0x7d7 [ 380.671371][ T3624] ? bfq_pos_tree_add_move+0x43e/0x43e [ 380.676816][ T3624] ? find_next_bit+0xd6/0x120 [ 380.681676][ T3624] ? cpumask_next+0x11/0x30 [ 380.686250][ T3624] dump_stack+0x15/0x17 [ 380.690496][ T3624] should_fail+0x3c0/0x510 [ 380.694988][ T3624] ? percpu_ref_init+0xd0/0x340 [ 380.701052][ T3624] __should_failslab+0x9f/0xe0 [ 380.706002][ T3624] should_failslab+0x9/0x20 [ 380.710588][ T3624] kmem_cache_alloc_trace+0x3a/0x330 [ 380.716168][ T3624] percpu_ref_init+0xd0/0x340 [ 380.721023][ T3624] ? cgroup_setup_root+0xea0/0xea0 [ 380.726276][ T3624] cgroup_apply_control_enable+0x3a2/0x12f0 [ 380.732271][ T3624] ? cgroup_reconfigure+0xe0/0xe0 [ 380.737550][ T3624] cgroup_apply_control+0x8e/0x7e0 [ 380.742830][ T3624] ? css_next_child+0x160/0x160 [ 380.747694][ T3624] ? io_schedule+0x120/0x120 [ 380.752385][ T3624] ? kernfs_fop_write_iter+0x15e/0x410 [ 380.757849][ T3624] ? __kasan_check_write+0x14/0x20 [ 380.763041][ T3624] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 380.768456][ T3624] cgroup_subtree_control_write+0xd19/0x1310 [ 380.774602][ T3624] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 380.780682][ T3624] ? __kasan_check_write+0x14/0x20 [ 380.785973][ T3624] ? _copy_from_iter+0x3fb/0xd60 [ 380.790894][ T3624] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 380.797031][ T3624] cgroup_file_write+0x28e/0x590 [ 380.802701][ T3624] ? cgroup_seqfile_stop+0xc0/0xc0 [ 380.807905][ T3624] ? mutex_trylock+0x180/0x180 [ 380.813183][ T3624] ? __kasan_check_write+0x14/0x20 [ 380.818385][ T3624] kernfs_fop_write_iter+0x2d0/0x410 [ 380.823811][ T3624] ? cgroup_seqfile_stop+0xc0/0xc0 [ 380.828936][ T3624] vfs_write+0xc4a/0xf80 [ 380.833634][ T3624] ? kernel_write+0x420/0x420 [ 380.838749][ T3624] ? mutex_lock+0xb2/0x1e0 [ 380.843262][ T3624] ? mutex_trylock+0x180/0x180 [ 380.848367][ T3624] ? __fdget_pos+0x26d/0x310 [ 380.853118][ T3624] ? ksys_write+0x77/0x2c0 [ 380.857537][ T3624] ksys_write+0x198/0x2c0 [ 380.861957][ T3624] ? __ia32_sys_read+0x90/0x90 [ 380.866950][ T3624] ? debug_smp_processor_id+0x17/0x20 [ 380.872738][ T3624] __x64_sys_write+0x7b/0x90 [ 380.877496][ T3624] do_syscall_64+0x34/0x70 [ 380.882018][ T3624] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 380.887904][ T3624] RIP: 0033:0x7f85191c4049 [ 380.892509][ T3624] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 380.915014][ T3624] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 380.923519][ T3624] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 380.931471][ T3624] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 380.939437][ T3624] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 380.947704][ T3624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 380.956084][ T3624] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 380.964493][ T3621] CPU: 0 PID: 3621 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 380.967065][ T3625] FAULT_INJECTION: forcing a failure. [ 380.967065][ T3625] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 380.975418][ T3621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 380.975423][ T3621] Call Trace: [ 380.975441][ T3621] dump_stack_lvl+0x1e2/0x24b [ 380.975451][ T3621] ? bfq_pos_tree_add_move+0x43e/0x43e [ 380.975461][ T3621] ? vsnprintf+0x1fa/0x1cd0 [ 380.975471][ T3621] dump_stack+0x15/0x17 [ 380.975481][ T3621] should_fail+0x3c0/0x510 [ 380.975491][ T3621] should_fail_usercopy+0x1a/0x20 [ 380.975501][ T3621] _copy_from_user+0x20/0xd0 [ 380.975511][ T3621] kstrtouint_from_user+0xd7/0x2b0 [ 380.975528][ T3621] ? kstrtol_from_user+0x310/0x310 [ 381.048995][ T3621] ? snprintf+0xd6/0x120 [ 381.053328][ T3621] ? avc_policy_seqno+0x1b/0x70 [ 381.058385][ T3621] ? selinux_file_permission+0x2a9/0x520 [ 381.064032][ T3621] proc_fail_nth_write+0xa5/0x290 [ 381.069440][ T3621] ? security_file_permission+0x9d/0xc0 [ 381.075074][ T3621] ? proc_fail_nth_read+0x220/0x220 [ 381.080669][ T3621] ? security_file_permission+0xa8/0xc0 [ 381.086309][ T3621] ? rw_verify_area+0x1c2/0x360 [ 381.091378][ T3621] ? proc_fail_nth_read+0x220/0x220 [ 381.096655][ T3621] vfs_write+0x39b/0xf80 [ 381.100979][ T3621] ? kernel_write+0x420/0x420 [ 381.105644][ T3621] ? __kasan_check_write+0x14/0x20 [ 381.110824][ T3621] ? mutex_lock+0xb2/0x1e0 [ 381.115238][ T3621] ? mutex_trylock+0x180/0x180 [ 381.120182][ T3621] ? __fdget_pos+0x26d/0x310 [ 381.125046][ T3621] ? ksys_write+0x77/0x2c0 [ 381.129553][ T3621] ksys_write+0x198/0x2c0 [ 381.133960][ T3621] ? __ia32_sys_read+0x90/0x90 [ 381.138711][ T3621] ? debug_smp_processor_id+0x17/0x20 [ 381.144086][ T3621] __x64_sys_write+0x7b/0x90 [ 381.148779][ T3621] do_syscall_64+0x34/0x70 [ 381.153178][ T3621] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 381.159232][ T3621] RIP: 0033:0x7f6ebe0d0b5f [ 381.163653][ T3621] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 381.183330][ T3621] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 381.192465][ T3621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 381.200618][ T3621] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 381.209105][ T3621] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 381.217179][ T3621] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 381.225596][ T3621] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 381.233646][ T3625] CPU: 1 PID: 3625 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 381.244157][ T3625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 381.254474][ T3625] Call Trace: [ 381.257751][ T3625] dump_stack_lvl+0x1e2/0x24b [ 381.262406][ T3625] ? bfq_pos_tree_add_move+0x43e/0x43e [ 381.268024][ T3625] ? vsnprintf+0x1fa/0x1cd0 [ 381.272593][ T3625] dump_stack+0x15/0x17 [ 381.276811][ T3625] should_fail+0x3c0/0x510 [ 381.281204][ T3625] should_fail_usercopy+0x1a/0x20 [ 381.286292][ T3625] _copy_from_user+0x20/0xd0 [ 381.291038][ T3625] kstrtouint_from_user+0xd7/0x2b0 [ 381.296248][ T3625] ? kstrtol_from_user+0x310/0x310 [ 381.301425][ T3625] ? snprintf+0xd6/0x120 [ 381.305754][ T3625] ? avc_policy_seqno+0x1b/0x70 [ 381.310581][ T3625] ? selinux_file_permission+0x2a9/0x520 [ 381.316364][ T3625] proc_fail_nth_write+0xa5/0x290 [ 381.321453][ T3625] ? security_file_permission+0x9d/0xc0 [ 381.327245][ T3625] ? proc_fail_nth_read+0x220/0x220 [ 381.332465][ T3625] ? security_file_permission+0xa8/0xc0 [ 381.338005][ T3625] ? rw_verify_area+0x1c2/0x360 [ 381.342870][ T3625] ? proc_fail_nth_read+0x220/0x220 [ 381.348203][ T3625] vfs_write+0x39b/0xf80 [ 381.352541][ T3625] ? kernel_write+0x420/0x420 [ 381.357330][ T3625] ? __kasan_check_write+0x14/0x20 [ 381.362957][ T3625] ? mutex_lock+0xb2/0x1e0 [ 381.367634][ T3625] ? mutex_trylock+0x180/0x180 [ 381.372378][ T3625] ? __fdget_pos+0x26d/0x310 [ 381.376947][ T3625] ? ksys_write+0x77/0x2c0 [ 381.381386][ T3625] ksys_write+0x198/0x2c0 [ 381.385705][ T3625] ? __kasan_check_write+0x14/0x20 [ 381.391079][ T3625] ? __ia32_sys_read+0x90/0x90 [ 381.397406][ T3625] ? debug_smp_processor_id+0x17/0x20 [ 381.402773][ T3625] __x64_sys_write+0x7b/0x90 [ 381.407700][ T3625] do_syscall_64+0x34/0x70 [ 381.412238][ T3625] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 381.418308][ T3625] RIP: 0033:0x7f869ba6eb5f [ 381.423154][ T3625] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 381.443789][ T3625] RSP: 002b:00007f869ba11160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 381.452586][ T3625] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 381.460712][ T3625] RDX: 0000000000000001 RSI: 00007f869ba111e0 RDI: 0000000000000005 [ 381.468675][ T3625] RBP: 00007f869ba111d0 R08: 0000000000000000 R09: 0000000000000000 [ 381.476717][ T3625] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 381.485192][ T3625] R13: 00007ffd63ae361f R14: 00007f869ba11300 R15: 0000000000022000 [ 381.502060][ T3633] FAULT_INJECTION: forcing a failure. [ 381.502060][ T3633] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 381.505054][ T3630] FAULT_INJECTION: forcing a failure. [ 381.505054][ T3630] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 381.515539][ T3631] FAULT_INJECTION: forcing a failure. [ 381.515539][ T3631] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 381.528975][ T3633] CPU: 0 PID: 3633 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 381.552687][ T3633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 381.563348][ T3633] Call Trace: [ 381.566646][ T3633] dump_stack_lvl+0x1e2/0x24b [ 381.571661][ T3633] ? bfq_pos_tree_add_move+0x43e/0x43e [ 381.577185][ T3633] ? vsnprintf+0x1fa/0x1cd0 [ 381.581673][ T3633] dump_stack+0x15/0x17 [ 381.585828][ T3633] should_fail+0x3c0/0x510 [ 381.590225][ T3633] should_fail_usercopy+0x1a/0x20 [ 381.595613][ T3633] _copy_from_user+0x20/0xd0 [ 381.600185][ T3633] kstrtouint_from_user+0xd7/0x2b0 [ 381.605286][ T3633] ? kstrtol_from_user+0x310/0x310 [ 381.610376][ T3633] ? snprintf+0xd6/0x120 [ 381.614882][ T3633] ? avc_policy_seqno+0x1b/0x70 [ 381.619811][ T3633] ? selinux_file_permission+0x2a9/0x520 [ 381.625453][ T3633] proc_fail_nth_write+0xa5/0x290 [ 381.630562][ T3633] ? security_file_permission+0x9d/0xc0 [ 381.636085][ T3633] ? proc_fail_nth_read+0x220/0x220 [ 381.641350][ T3633] ? security_file_permission+0xa8/0xc0 [ 381.646888][ T3633] ? rw_verify_area+0x1c2/0x360 [ 381.651733][ T3633] ? proc_fail_nth_read+0x220/0x220 [ 381.656941][ T3633] vfs_write+0x39b/0xf80 [ 381.661194][ T3633] ? kernel_write+0x420/0x420 [ 381.666030][ T3633] ? __kasan_check_write+0x14/0x20 [ 381.671220][ T3633] ? mutex_lock+0xb2/0x1e0 [ 381.675727][ T3633] ? mutex_trylock+0x180/0x180 [ 381.680653][ T3633] ? __fdget_pos+0x26d/0x310 [ 381.685397][ T3633] ? ksys_write+0x77/0x2c0 [ 381.689792][ T3633] ksys_write+0x198/0x2c0 [ 381.694196][ T3633] ? __ia32_sys_read+0x90/0x90 [ 381.699029][ T3633] ? debug_smp_processor_id+0x17/0x20 [ 381.704657][ T3633] __x64_sys_write+0x7b/0x90 [ 381.709383][ T3633] do_syscall_64+0x34/0x70 [ 381.714004][ T3633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 381.720062][ T3633] RIP: 0033:0x7f869ba6eb5f [ 381.724469][ T3633] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 381.744241][ T3633] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 381.752999][ T3633] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 381.760952][ T3633] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 381.769005][ T3633] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 381.777079][ T3633] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 381.785147][ T3633] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 381.793287][ T3631] CPU: 1 PID: 3631 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 381.803887][ T3631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 381.814108][ T3631] Call Trace: [ 381.817403][ T3631] dump_stack_lvl+0x1e2/0x24b [ 381.822069][ T3631] ? bfq_pos_tree_add_move+0x43e/0x43e [ 381.827707][ T3631] ? vsnprintf+0x1fa/0x1cd0 [ 381.832209][ T3631] dump_stack+0x15/0x17 [ 381.836461][ T3631] should_fail+0x3c0/0x510 [ 381.840875][ T3631] should_fail_usercopy+0x1a/0x20 [ 381.846244][ T3631] _copy_from_user+0x20/0xd0 [ 381.851191][ T3631] kstrtouint_from_user+0xd7/0x2b0 [ 381.856407][ T3631] ? kstrtol_from_user+0x310/0x310 [ 381.861702][ T3631] ? snprintf+0xd6/0x120 [ 381.866248][ T3631] ? avc_policy_seqno+0x1b/0x70 [ 381.871576][ T3631] ? selinux_file_permission+0x2a9/0x520 [ 381.877465][ T3631] proc_fail_nth_write+0xa5/0x290 [ 381.882606][ T3631] ? security_file_permission+0x9d/0xc0 [ 381.888148][ T3631] ? proc_fail_nth_read+0x220/0x220 [ 381.893892][ T3631] ? security_file_permission+0xa8/0xc0 [ 381.899532][ T3631] ? rw_verify_area+0x1c2/0x360 [ 381.904368][ T3631] ? proc_fail_nth_read+0x220/0x220 [ 381.909772][ T3631] vfs_write+0x39b/0xf80 [ 381.914127][ T3631] ? kernel_write+0x420/0x420 [ 381.919103][ T3631] ? __kasan_check_write+0x14/0x20 [ 381.924354][ T3631] ? mutex_lock+0xb2/0x1e0 [ 381.928857][ T3631] ? mutex_trylock+0x180/0x180 [ 381.933607][ T3631] ? __fdget_pos+0x26d/0x310 [ 381.938183][ T3631] ? ksys_write+0x77/0x2c0 [ 381.943918][ T3631] ksys_write+0x198/0x2c0 [ 381.948537][ T3631] ? __kasan_check_write+0x14/0x20 [ 381.953877][ T3631] ? __ia32_sys_read+0x90/0x90 [ 381.958991][ T3631] ? debug_smp_processor_id+0x17/0x20 [ 381.964548][ T3631] __x64_sys_write+0x7b/0x90 [ 381.969338][ T3631] do_syscall_64+0x34/0x70 [ 381.973998][ T3631] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 381.980855][ T3631] RIP: 0033:0x7f7d1c31ab5f [ 381.985474][ T3631] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 382.005959][ T3631] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 382.016778][ T3631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 382.025416][ T3631] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 382.033575][ T3631] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 382.041524][ T3631] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 382.049476][ T3631] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 382.057635][ T3630] CPU: 0 PID: 3630 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 382.061102][ T3638] FAULT_INJECTION: forcing a failure. [ 382.061102][ T3638] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 382.069258][ T3630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 382.069263][ T3630] Call Trace: [ 382.069282][ T3630] dump_stack_lvl+0x1e2/0x24b [ 382.069300][ T3630] ? bfq_pos_tree_add_move+0x43e/0x43e [ 382.085912][ T3637] FAULT_INJECTION: forcing a failure. [ 382.085912][ T3637] name failslab, interval 1, probability 0, space 0, times 0 [ 382.093038][ T3630] ? vsnprintf+0x1fa/0x1cd0 [ 382.093053][ T3630] dump_stack+0x15/0x17 [ 382.093062][ T3630] should_fail+0x3c0/0x510 [ 382.093072][ T3630] should_fail_usercopy+0x1a/0x20 [ 382.093082][ T3630] _copy_from_user+0x20/0xd0 [ 382.093092][ T3630] kstrtouint_from_user+0xd7/0x2b0 [ 382.093103][ T3630] ? kstrtol_from_user+0x310/0x310 [ 382.093112][ T3630] ? snprintf+0xd6/0x120 [ 382.093125][ T3630] ? avc_policy_seqno+0x1b/0x70 [ 382.093136][ T3630] ? selinux_file_permission+0x2a9/0x520 [ 382.093145][ T3630] proc_fail_nth_write+0xa5/0x290 [ 382.093154][ T3630] ? security_file_permission+0x9d/0xc0 [ 382.093168][ T3630] ? proc_fail_nth_read+0x220/0x220 [ 382.093177][ T3630] ? security_file_permission+0xa8/0xc0 [ 382.093188][ T3630] ? rw_verify_area+0x1c2/0x360 [ 382.093196][ T3630] ? proc_fail_nth_read+0x220/0x220 [ 382.093204][ T3630] vfs_write+0x39b/0xf80 [ 382.093214][ T3630] ? kernel_write+0x420/0x420 [ 382.093224][ T3630] ? __kasan_check_write+0x14/0x20 [ 382.093232][ T3630] ? mutex_lock+0xb2/0x1e0 [ 382.093250][ T3630] ? mutex_trylock+0x180/0x180 [ 382.227201][ T3630] ? __fdget_pos+0x26d/0x310 [ 382.231788][ T3630] ? ksys_write+0x77/0x2c0 [ 382.236208][ T3630] ksys_write+0x198/0x2c0 [ 382.240703][ T3630] ? __kasan_check_write+0x14/0x20 [ 382.246058][ T3630] ? __ia32_sys_read+0x90/0x90 [ 382.251076][ T3630] ? debug_smp_processor_id+0x17/0x20 [ 382.256535][ T3630] __x64_sys_write+0x7b/0x90 [ 382.261283][ T3630] do_syscall_64+0x34/0x70 [ 382.265681][ T3630] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 382.271647][ T3630] RIP: 0033:0x7faa22393b5f [ 382.276331][ T3630] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 382.296277][ T3630] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 382.304895][ T3630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 382.312852][ T3630] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 382.320896][ T3630] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 382.328869][ T3630] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 382.336824][ T3630] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 382.345189][ T3637] CPU: 1 PID: 3637 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 382.356060][ T3637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 382.367736][ T3637] Call Trace: [ 382.371778][ T3637] dump_stack_lvl+0x1e2/0x24b [ 382.377273][ T3637] ? panic+0x7d7/0x7d7 [ 382.381507][ T3637] ? bfq_pos_tree_add_move+0x43e/0x43e [ 382.386945][ T3637] ? find_next_bit+0xd6/0x120 [ 382.391795][ T3637] ? cpumask_next+0x11/0x30 [ 382.396292][ T3637] dump_stack+0x15/0x17 [ 382.400545][ T3637] should_fail+0x3c0/0x510 [ 382.405006][ T3637] ? percpu_ref_init+0xd0/0x340 [ 382.410220][ T3637] __should_failslab+0x9f/0xe0 [ 382.415127][ T3637] should_failslab+0x9/0x20 [ 382.419704][ T3637] kmem_cache_alloc_trace+0x3a/0x330 [ 382.425156][ T3637] percpu_ref_init+0xd0/0x340 [ 382.429814][ T3637] ? cgroup_setup_root+0xea0/0xea0 [ 382.434903][ T3637] cgroup_apply_control_enable+0x3a2/0x12f0 [ 382.440872][ T3637] ? cgroup_reconfigure+0xe0/0xe0 [ 382.445970][ T3637] cgroup_apply_control+0x8e/0x7e0 [ 382.451254][ T3637] ? css_next_child+0x160/0x160 [ 382.456087][ T3637] ? io_schedule+0x120/0x120 [ 382.460780][ T3637] ? kernfs_fop_write_iter+0x15e/0x410 [ 382.466479][ T3637] ? __kasan_check_write+0x14/0x20 [ 382.471572][ T3637] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 382.476922][ T3637] cgroup_subtree_control_write+0xd19/0x1310 [ 382.483342][ T3637] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 382.489732][ T3637] ? __kasan_check_write+0x14/0x20 [ 382.494832][ T3637] ? _copy_from_iter+0x3fb/0xd60 [ 382.500035][ T3637] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 382.505999][ T3637] cgroup_file_write+0x28e/0x590 [ 382.510913][ T3637] ? cgroup_seqfile_stop+0xc0/0xc0 [ 382.515998][ T3637] ? mutex_trylock+0x180/0x180 [ 382.520962][ T3637] ? __kasan_check_write+0x14/0x20 [ 382.526238][ T3637] kernfs_fop_write_iter+0x2d0/0x410 [ 382.531787][ T3637] ? cgroup_seqfile_stop+0xc0/0xc0 [ 382.537046][ T3637] vfs_write+0xc4a/0xf80 [ 382.541279][ T3637] ? kernel_write+0x420/0x420 [ 382.546114][ T3637] ? mutex_lock+0xb2/0x1e0 [ 382.550525][ T3637] ? mutex_trylock+0x180/0x180 [ 382.555279][ T3637] ? __fdget_pos+0x26d/0x310 [ 382.559857][ T3637] ? ksys_write+0x77/0x2c0 [ 382.564341][ T3637] ksys_write+0x198/0x2c0 [ 382.568651][ T3637] ? __ia32_sys_read+0x90/0x90 [ 382.573389][ T3637] ? debug_smp_processor_id+0x17/0x20 [ 382.578739][ T3637] __x64_sys_write+0x7b/0x90 [ 382.583308][ T3637] do_syscall_64+0x34/0x70 [ 382.587887][ T3637] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 382.593753][ T3637] RIP: 0033:0x7f85191c4049 [ 382.598596][ T3637] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 382.618810][ T3637] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 382.627218][ T3637] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 382.635254][ T3637] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 382.643379][ T3637] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 382.651676][ T3637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 382.659713][ T3637] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 382.686455][ T3638] CPU: 1 PID: 3638 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 382.697210][ T3638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 382.698155][ T3641] FAULT_INJECTION: forcing a failure. [ 382.698155][ T3641] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 382.707276][ T3638] Call Trace: [ 382.707294][ T3638] dump_stack_lvl+0x1e2/0x24b [ 382.707305][ T3638] ? bfq_pos_tree_add_move+0x43e/0x43e [ 382.707314][ T3638] ? vsnprintf+0x1fa/0x1cd0 [ 382.707324][ T3638] dump_stack+0x15/0x17 [ 382.707332][ T3638] should_fail+0x3c0/0x510 [ 382.707348][ T3638] should_fail_usercopy+0x1a/0x20 [ 382.723934][ T3646] FAULT_INJECTION: forcing a failure. [ 382.723934][ T3646] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 382.724302][ T3638] _copy_from_user+0x20/0xd0 [ 382.775340][ T3638] kstrtouint_from_user+0xd7/0x2b0 [ 382.780808][ T3638] ? kstrtol_from_user+0x310/0x310 [ 382.786198][ T3638] ? snprintf+0xd6/0x120 [ 382.790537][ T3638] ? avc_policy_seqno+0x1b/0x70 [ 382.795983][ T3638] ? selinux_file_permission+0x2a9/0x520 [ 382.802345][ T3638] proc_fail_nth_write+0xa5/0x290 [ 382.807542][ T3638] ? security_file_permission+0x9d/0xc0 [ 382.813082][ T3638] ? proc_fail_nth_read+0x220/0x220 [ 382.818577][ T3638] ? security_file_permission+0xa8/0xc0 [ 382.824924][ T3638] ? rw_verify_area+0x1c2/0x360 [ 382.826287][ T3645] FAULT_INJECTION: forcing a failure. [ 382.826287][ T3645] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 382.829884][ T3638] ? proc_fail_nth_read+0x220/0x220 [ 382.848470][ T3638] vfs_write+0x39b/0xf80 [ 382.852703][ T3638] ? kernel_write+0x420/0x420 [ 382.857713][ T3638] ? __kasan_check_write+0x14/0x20 [ 382.862898][ T3638] ? mutex_lock+0xb2/0x1e0 [ 382.867388][ T3638] ? mutex_trylock+0x180/0x180 [ 382.872773][ T3638] ? __fdget_pos+0x26d/0x310 [ 382.877519][ T3638] ? ksys_write+0x77/0x2c0 [ 382.881952][ T3638] ksys_write+0x198/0x2c0 [ 382.886269][ T3638] ? __ia32_sys_read+0x90/0x90 [ 382.891040][ T3638] ? debug_smp_processor_id+0x17/0x20 [ 382.896573][ T3638] __x64_sys_write+0x7b/0x90 [ 382.901162][ T3638] do_syscall_64+0x34/0x70 [ 382.905836][ T3638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 382.913273][ T3638] RIP: 0033:0x7f022ab05b5f [ 382.919228][ T3638] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 382.941470][ T3638] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 382.951746][ T3638] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 382.959899][ T3638] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 382.968332][ T3638] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 382.985972][ T3638] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 382.994230][ T3638] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 383.002487][ T3646] CPU: 0 PID: 3646 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 383.003011][ T3647] FAULT_INJECTION: forcing a failure. [ 383.003011][ T3647] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 383.013132][ T3646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 383.013137][ T3646] Call Trace: [ 383.013164][ T3646] dump_stack_lvl+0x1e2/0x24b [ 383.013175][ T3646] ? bfq_pos_tree_add_move+0x43e/0x43e [ 383.013184][ T3646] ? vsnprintf+0x1fa/0x1cd0 [ 383.013194][ T3646] dump_stack+0x15/0x17 [ 383.013214][ T3646] should_fail+0x3c0/0x510 [ 383.063637][ T3646] should_fail_usercopy+0x1a/0x20 [ 383.068645][ T3646] _copy_from_user+0x20/0xd0 [ 383.073221][ T3646] kstrtouint_from_user+0xd7/0x2b0 [ 383.078397][ T3646] ? kstrtol_from_user+0x310/0x310 [ 383.083504][ T3646] ? snprintf+0xd6/0x120 [ 383.087739][ T3646] ? avc_policy_seqno+0x1b/0x70 [ 383.093746][ T3646] ? selinux_file_permission+0x2a9/0x520 [ 383.099553][ T3646] proc_fail_nth_write+0xa5/0x290 [ 383.104943][ T3646] ? security_file_permission+0x9d/0xc0 [ 383.111780][ T3646] ? proc_fail_nth_read+0x220/0x220 [ 383.117529][ T3646] ? security_file_permission+0xa8/0xc0 [ 383.123239][ T3646] ? rw_verify_area+0x1c2/0x360 [ 383.128293][ T3646] ? proc_fail_nth_read+0x220/0x220 [ 383.134547][ T3646] vfs_write+0x39b/0xf80 [ 383.139153][ T3646] ? kernel_write+0x420/0x420 [ 383.143828][ T3646] ? __kasan_check_write+0x14/0x20 [ 383.149096][ T3646] ? mutex_lock+0xb2/0x1e0 [ 383.153677][ T3646] ? mutex_trylock+0x180/0x180 [ 383.158437][ T3646] ? __fdget_pos+0x26d/0x310 [ 383.163359][ T3646] ? ksys_write+0x77/0x2c0 [ 383.167776][ T3646] ksys_write+0x198/0x2c0 [ 383.172117][ T3646] ? __kasan_check_write+0x14/0x20 [ 383.177243][ T3646] ? __ia32_sys_read+0x90/0x90 [ 383.182615][ T3646] ? debug_smp_processor_id+0x17/0x20 [ 383.188170][ T3646] __x64_sys_write+0x7b/0x90 [ 383.192858][ T3646] do_syscall_64+0x34/0x70 [ 383.197263][ T3646] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 383.203156][ T3646] RIP: 0033:0x7f7d1c31ab5f [ 383.207561][ T3646] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 383.227150][ T3646] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 383.235548][ T3646] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 383.243636][ T3646] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 383.251877][ T3646] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 383.260107][ T3646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 383.268159][ T3646] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 383.276233][ T3647] CPU: 1 PID: 3647 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 383.286732][ T3647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 383.297134][ T3647] Call Trace: [ 383.300407][ T3647] dump_stack_lvl+0x1e2/0x24b [ 383.305063][ T3647] ? bfq_pos_tree_add_move+0x43e/0x43e [ 383.310685][ T3647] ? vsnprintf+0x1fa/0x1cd0 [ 383.315346][ T3647] dump_stack+0x15/0x17 [ 383.319481][ T3647] should_fail+0x3c0/0x510 [ 383.323965][ T3647] should_fail_usercopy+0x1a/0x20 [ 383.329161][ T3647] _copy_from_user+0x20/0xd0 [ 383.333816][ T3647] kstrtouint_from_user+0xd7/0x2b0 [ 383.339008][ T3647] ? kstrtol_from_user+0x310/0x310 [ 383.344189][ T3647] ? snprintf+0xd6/0x120 [ 383.348411][ T3647] ? avc_policy_seqno+0x1b/0x70 [ 383.353253][ T3647] ? selinux_file_permission+0x2a9/0x520 [ 383.359223][ T3647] proc_fail_nth_write+0xa5/0x290 [ 383.364397][ T3647] ? security_file_permission+0x9d/0xc0 [ 383.370201][ T3647] ? proc_fail_nth_read+0x220/0x220 [ 383.376268][ T3647] ? security_file_permission+0xa8/0xc0 [ 383.382315][ T3647] ? rw_verify_area+0x1c2/0x360 [ 383.387255][ T3647] ? proc_fail_nth_read+0x220/0x220 [ 383.392606][ T3647] vfs_write+0x39b/0xf80 [ 383.396934][ T3647] ? kernel_write+0x420/0x420 [ 383.401808][ T3647] ? __kasan_check_write+0x14/0x20 [ 383.407089][ T3647] ? mutex_lock+0xb2/0x1e0 [ 383.411504][ T3647] ? mutex_trylock+0x180/0x180 [ 383.416259][ T3647] ? __fdget_pos+0x26d/0x310 [ 383.420967][ T3647] ? ksys_write+0x77/0x2c0 [ 383.425373][ T3647] ksys_write+0x198/0x2c0 [ 383.430958][ T3647] ? __kasan_check_write+0x14/0x20 [ 383.436071][ T3647] ? __ia32_sys_read+0x90/0x90 [ 383.440899][ T3647] ? debug_smp_processor_id+0x17/0x20 [ 383.446435][ T3647] __x64_sys_write+0x7b/0x90 [ 383.451094][ T3647] do_syscall_64+0x34/0x70 [ 383.455923][ T3647] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 383.461839][ T3647] RIP: 0033:0x7faa22393b5f [ 383.466710][ T3647] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 383.487011][ T3647] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 383.496018][ T3647] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 383.504858][ T3647] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 383.513677][ T3647] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 383.521772][ T3647] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 383.529808][ T3647] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 383.539047][ T3645] CPU: 1 PID: 3645 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 383.549640][ T3645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 383.560047][ T3645] Call Trace: [ 383.563424][ T3645] dump_stack_lvl+0x1e2/0x24b [ 383.568375][ T3645] ? bfq_pos_tree_add_move+0x43e/0x43e [ 383.574152][ T3645] ? vsnprintf+0x1fa/0x1cd0 [ 383.579003][ T3645] dump_stack+0x15/0x17 [ 383.583339][ T3645] should_fail+0x3c0/0x510 [ 383.586485][ T3651] FAULT_INJECTION: forcing a failure. [ 383.586485][ T3651] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 383.587758][ T3645] should_fail_usercopy+0x1a/0x20 [ 383.587776][ T3645] _copy_from_user+0x20/0xd0 [ 383.601533][ T3649] FAULT_INJECTION: forcing a failure. [ 383.601533][ T3649] name failslab, interval 1, probability 0, space 0, times 0 [ 383.605966][ T3645] kstrtouint_from_user+0xd7/0x2b0 [ 383.605976][ T3645] ? kstrtol_from_user+0x310/0x310 [ 383.605985][ T3645] ? snprintf+0xd6/0x120 [ 383.605996][ T3645] ? avc_policy_seqno+0x1b/0x70 [ 383.606004][ T3645] ? selinux_file_permission+0x2a9/0x520 [ 383.606013][ T3645] proc_fail_nth_write+0xa5/0x290 [ 383.606021][ T3645] ? security_file_permission+0x9d/0xc0 [ 383.606029][ T3645] ? proc_fail_nth_read+0x220/0x220 [ 383.606045][ T3645] ? security_file_permission+0xa8/0xc0 [ 383.671502][ T3645] ? rw_verify_area+0x1c2/0x360 [ 383.676528][ T3645] ? proc_fail_nth_read+0x220/0x220 [ 383.682173][ T3645] vfs_write+0x39b/0xf80 [ 383.686587][ T3645] ? kernel_write+0x420/0x420 [ 383.691429][ T3645] ? __kasan_check_write+0x14/0x20 [ 383.696738][ T3645] ? mutex_lock+0xb2/0x1e0 [ 383.701146][ T3645] ? mutex_trylock+0x180/0x180 [ 383.706033][ T3645] ? __fdget_pos+0x26d/0x310 [ 383.710703][ T3645] ? ksys_write+0x77/0x2c0 [ 383.715436][ T3645] ksys_write+0x198/0x2c0 [ 383.719780][ T3645] ? __kasan_check_write+0x14/0x20 [ 383.724934][ T3645] ? __ia32_sys_read+0x90/0x90 [ 383.729908][ T3645] ? debug_smp_processor_id+0x17/0x20 [ 383.735357][ T3645] __x64_sys_write+0x7b/0x90 [ 383.740505][ T3645] do_syscall_64+0x34/0x70 [ 383.745027][ T3645] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 383.751250][ T3645] RIP: 0033:0x7f869ba6eb5f [ 383.755738][ T3645] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 383.776317][ T3645] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 383.785335][ T3645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 383.793569][ T3645] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 383.801889][ T3645] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 383.810033][ T3645] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 383.819348][ T3645] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 383.827412][ T3649] CPU: 0 PID: 3649 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 383.838389][ T3649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 383.848475][ T3649] Call Trace: [ 383.851844][ T3649] dump_stack_lvl+0x1e2/0x24b [ 383.856503][ T3649] ? panic+0x7d7/0x7d7 [ 383.860563][ T3649] ? bfq_pos_tree_add_move+0x43e/0x43e [ 383.866277][ T3649] ? find_next_bit+0xd6/0x120 [ 383.871110][ T3649] ? cpumask_next+0x11/0x30 [ 383.875688][ T3649] dump_stack+0x15/0x17 [ 383.879825][ T3649] should_fail+0x3c0/0x510 [ 383.884277][ T3649] ? percpu_ref_init+0xd0/0x340 [ 383.889283][ T3649] __should_failslab+0x9f/0xe0 [ 383.894149][ T3649] should_failslab+0x9/0x20 [ 383.898641][ T3649] kmem_cache_alloc_trace+0x3a/0x330 [ 383.904089][ T3649] percpu_ref_init+0xd0/0x340 [ 383.908896][ T3649] ? cgroup_setup_root+0xea0/0xea0 [ 383.914383][ T3649] cgroup_apply_control_enable+0x3a2/0x12f0 [ 383.920281][ T3649] ? cgroup_reconfigure+0xe0/0xe0 [ 383.925401][ T3649] cgroup_apply_control+0x8e/0x7e0 [ 383.930858][ T3649] ? css_next_child+0x160/0x160 [ 383.935895][ T3649] ? io_schedule+0x120/0x120 [ 383.940469][ T3649] ? kernfs_fop_write_iter+0x15e/0x410 [ 383.945909][ T3649] ? __kasan_check_write+0x14/0x20 [ 383.951003][ T3649] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 383.956274][ T3649] cgroup_subtree_control_write+0xd19/0x1310 [ 383.962409][ T3649] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 383.968389][ T3649] ? __kasan_check_write+0x14/0x20 [ 383.973491][ T3649] ? _copy_from_iter+0x3fb/0xd60 [ 383.978592][ T3649] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 383.984563][ T3649] cgroup_file_write+0x28e/0x590 [ 383.989602][ T3649] ? cgroup_seqfile_stop+0xc0/0xc0 [ 383.994880][ T3649] ? mutex_trylock+0x180/0x180 [ 383.999625][ T3649] ? __kasan_check_write+0x14/0x20 [ 384.005004][ T3649] kernfs_fop_write_iter+0x2d0/0x410 [ 384.010536][ T3649] ? cgroup_seqfile_stop+0xc0/0xc0 [ 384.015824][ T3649] vfs_write+0xc4a/0xf80 [ 384.020137][ T3649] ? kernel_write+0x420/0x420 [ 384.024953][ T3649] ? mutex_lock+0xb2/0x1e0 [ 384.029476][ T3649] ? mutex_trylock+0x180/0x180 [ 384.034250][ T3649] ? __fdget_pos+0x26d/0x310 [ 384.038934][ T3649] ? ksys_write+0x77/0x2c0 [ 384.043596][ T3649] ksys_write+0x198/0x2c0 [ 384.048000][ T3649] ? __ia32_sys_read+0x90/0x90 [ 384.052751][ T3649] ? debug_smp_processor_id+0x17/0x20 [ 384.058108][ T3649] __x64_sys_write+0x7b/0x90 [ 384.063116][ T3649] do_syscall_64+0x34/0x70 [ 384.067695][ T3649] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 384.073655][ T3649] RIP: 0033:0x7f85191c4049 [ 384.078164][ T3649] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 384.098462][ T3649] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 384.107231][ T3649] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 384.116076][ T3649] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 384.124868][ T3649] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 384.133710][ T3649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 384.142744][ T3649] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 384.152731][ T3641] CPU: 1 PID: 3641 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 384.163321][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 384.176345][ T3641] Call Trace: [ 384.180155][ T3641] dump_stack_lvl+0x1e2/0x24b [ 384.185086][ T3641] ? bfq_pos_tree_add_move+0x43e/0x43e [ 384.191154][ T3641] ? vsnprintf+0x1fa/0x1cd0 [ 384.195997][ T3641] dump_stack+0x15/0x17 [ 384.200784][ T3641] should_fail+0x3c0/0x510 [ 384.205713][ T3641] should_fail_usercopy+0x1a/0x20 [ 384.212684][ T3641] _copy_from_user+0x20/0xd0 [ 384.218054][ T3641] kstrtouint_from_user+0xd7/0x2b0 [ 384.223557][ T3641] ? kstrtol_from_user+0x310/0x310 [ 384.229537][ T3641] ? snprintf+0xd6/0x120 [ 384.234115][ T3641] ? avc_policy_seqno+0x1b/0x70 [ 384.239136][ T3641] ? selinux_file_permission+0x2a9/0x520 [ 384.245281][ T3641] proc_fail_nth_write+0xa5/0x290 [ 384.250562][ T3641] ? security_file_permission+0x9d/0xc0 [ 384.256465][ T3641] ? proc_fail_nth_read+0x220/0x220 [ 384.261740][ T3641] ? security_file_permission+0xa8/0xc0 [ 384.267274][ T3641] ? rw_verify_area+0x1c2/0x360 [ 384.272117][ T3641] ? proc_fail_nth_read+0x220/0x220 [ 384.277481][ T3641] vfs_write+0x39b/0xf80 [ 384.281740][ T3641] ? kernel_write+0x420/0x420 [ 384.286403][ T3641] ? __kasan_check_write+0x14/0x20 [ 384.292276][ T3641] ? mutex_lock+0xb2/0x1e0 [ 384.296676][ T3641] ? mutex_trylock+0x180/0x180 [ 384.301778][ T3641] ? __fdget_pos+0x26d/0x310 [ 384.306610][ T3641] ? ksys_write+0x77/0x2c0 [ 384.311183][ T3641] ksys_write+0x198/0x2c0 [ 384.315520][ T3641] ? __kasan_check_write+0x14/0x20 [ 384.320728][ T3641] ? __ia32_sys_read+0x90/0x90 [ 384.325565][ T3641] ? debug_smp_processor_id+0x17/0x20 [ 384.331387][ T3641] __x64_sys_write+0x7b/0x90 [ 384.336870][ T3641] do_syscall_64+0x34/0x70 [ 384.341274][ T3641] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 384.347598][ T3641] RIP: 0033:0x7f6ebe0d0b5f [ 384.352096][ T3641] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 384.372279][ T3641] RSP: 002b:00007f6ebe052160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 384.381000][ T3641] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 384.389233][ T3641] RDX: 0000000000000001 RSI: 00007f6ebe0521e0 RDI: 0000000000000005 [ 384.397530][ T3641] RBP: 00007f6ebe0521d0 R08: 0000000000000000 R09: 0000000000000000 [ 384.405593][ T3641] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 384.413812][ T3641] R13: 00007ffd48f8c5bf R14: 00007f6ebe052300 R15: 0000000000022000 [ 384.423726][ T3651] CPU: 1 PID: 3651 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 384.434528][ T3651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 384.444840][ T3651] Call Trace: [ 384.448400][ T3651] dump_stack_lvl+0x1e2/0x24b [ 384.453266][ T3651] ? bfq_pos_tree_add_move+0x43e/0x43e [ 384.458752][ T3651] ? vsnprintf+0x1fa/0x1cd0 [ 384.463439][ T3651] dump_stack+0x15/0x17 [ 384.467792][ T3651] should_fail+0x3c0/0x510 [ 384.472034][ T3653] FAULT_INJECTION: forcing a failure. [ 384.472034][ T3653] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 384.472300][ T3651] should_fail_usercopy+0x1a/0x20 [ 384.485665][ T3655] FAULT_INJECTION: forcing a failure. [ 384.485665][ T3655] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 384.490666][ T3651] _copy_from_user+0x20/0xd0 [ 384.490678][ T3651] kstrtouint_from_user+0xd7/0x2b0 [ 384.490687][ T3651] ? kstrtol_from_user+0x310/0x310 [ 384.490707][ T3651] ? snprintf+0xd6/0x120 [ 384.504003][ T3657] FAULT_INJECTION: forcing a failure. [ 384.504003][ T3657] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 384.508439][ T3651] ? avc_policy_seqno+0x1b/0x70 [ 384.508449][ T3651] ? selinux_file_permission+0x2a9/0x520 [ 384.508459][ T3651] proc_fail_nth_write+0xa5/0x290 [ 384.508468][ T3651] ? security_file_permission+0x9d/0xc0 [ 384.508476][ T3651] ? proc_fail_nth_read+0x220/0x220 [ 384.508483][ T3651] ? security_file_permission+0xa8/0xc0 [ 384.508493][ T3651] ? rw_verify_area+0x1c2/0x360 [ 384.508500][ T3651] ? proc_fail_nth_read+0x220/0x220 [ 384.508508][ T3651] vfs_write+0x39b/0xf80 [ 384.508527][ T3651] ? kernel_write+0x420/0x420 [ 384.591805][ T3651] ? __kasan_check_write+0x14/0x20 [ 384.597304][ T3651] ? mutex_lock+0xb2/0x1e0 [ 384.601808][ T3651] ? mutex_trylock+0x180/0x180 [ 384.606945][ T3651] ? __fdget_pos+0x26d/0x310 [ 384.612082][ T3651] ? ksys_write+0x77/0x2c0 [ 384.616673][ T3651] ksys_write+0x198/0x2c0 [ 384.621974][ T3651] ? __ia32_sys_read+0x90/0x90 [ 384.626770][ T3651] ? debug_smp_processor_id+0x17/0x20 [ 384.632592][ T3651] __x64_sys_write+0x7b/0x90 [ 384.637445][ T3651] do_syscall_64+0x34/0x70 [ 384.642388][ T3651] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 384.648602][ T3651] RIP: 0033:0x7faa22393b5f [ 384.653177][ T3651] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 384.674535][ T3651] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 384.683635][ T3651] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 384.691705][ T3651] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 384.699761][ T3651] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 384.709303][ T3651] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 384.717987][ T3651] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 384.726364][ T3653] CPU: 0 PID: 3653 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 384.738275][ T3653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 384.749592][ T3653] Call Trace: [ 384.753202][ T3653] dump_stack_lvl+0x1e2/0x24b [ 384.758419][ T3653] ? bfq_pos_tree_add_move+0x43e/0x43e [ 384.764228][ T3653] ? vsnprintf+0x1fa/0x1cd0 [ 384.769422][ T3653] dump_stack+0x15/0x17 [ 384.773761][ T3653] should_fail+0x3c0/0x510 [ 384.778342][ T3653] should_fail_usercopy+0x1a/0x20 [ 384.783680][ T3653] _copy_from_user+0x20/0xd0 [ 384.788344][ T3653] kstrtouint_from_user+0xd7/0x2b0 [ 384.793441][ T3653] ? kstrtol_from_user+0x310/0x310 [ 384.798809][ T3653] ? snprintf+0xd6/0x120 [ 384.803433][ T3653] ? avc_policy_seqno+0x1b/0x70 [ 384.809026][ T3653] ? selinux_file_permission+0x2a9/0x520 [ 384.814829][ T3653] proc_fail_nth_write+0xa5/0x290 [ 384.820108][ T3653] ? security_file_permission+0x9d/0xc0 [ 384.826058][ T3653] ? proc_fail_nth_read+0x220/0x220 [ 384.831257][ T3653] ? security_file_permission+0xa8/0xc0 [ 384.836928][ T3653] ? rw_verify_area+0x1c2/0x360 [ 384.842434][ T3653] ? proc_fail_nth_read+0x220/0x220 [ 384.847800][ T3653] vfs_write+0x39b/0xf80 [ 384.852050][ T3653] ? kernel_write+0x420/0x420 [ 384.856748][ T3653] ? __kasan_check_write+0x14/0x20 [ 384.862379][ T3653] ? mutex_lock+0xb2/0x1e0 [ 384.866788][ T3653] ? mutex_trylock+0x180/0x180 [ 384.872016][ T3653] ? __fdget_pos+0x26d/0x310 [ 384.878351][ T3653] ? ksys_write+0x77/0x2c0 [ 384.882777][ T3653] ksys_write+0x198/0x2c0 [ 384.887179][ T3653] ? __kasan_check_write+0x14/0x20 [ 384.892276][ T3653] ? __ia32_sys_read+0x90/0x90 [ 384.897241][ T3653] ? debug_smp_processor_id+0x17/0x20 [ 384.902859][ T3653] __x64_sys_write+0x7b/0x90 [ 384.907643][ T3653] do_syscall_64+0x34/0x70 [ 384.912043][ T3653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 384.917923][ T3653] RIP: 0033:0x7f022ab05b5f [ 384.923029][ T3653] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 384.943079][ T3653] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 384.952257][ T3653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 384.960458][ T3653] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 384.968621][ T3653] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 384.976854][ T3653] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 384.984917][ T3653] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 384.993444][ T3655] CPU: 1 PID: 3655 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 385.006655][ T3655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 385.017146][ T3655] Call Trace: [ 385.020433][ T3655] dump_stack_lvl+0x1e2/0x24b [ 385.025276][ T3655] ? bfq_pos_tree_add_move+0x43e/0x43e [ 385.030816][ T3655] ? vsnprintf+0x1fa/0x1cd0 [ 385.035296][ T3655] dump_stack+0x15/0x17 [ 385.039619][ T3655] should_fail+0x3c0/0x510 [ 385.044128][ T3655] should_fail_usercopy+0x1a/0x20 [ 385.049137][ T3655] _copy_from_user+0x20/0xd0 [ 385.053975][ T3655] kstrtouint_from_user+0xd7/0x2b0 [ 385.059158][ T3655] ? kstrtol_from_user+0x310/0x310 [ 385.064254][ T3655] ? snprintf+0xd6/0x120 [ 385.068502][ T3655] ? avc_policy_seqno+0x1b/0x70 [ 385.073331][ T3655] ? selinux_file_permission+0x2a9/0x520 [ 385.079030][ T3655] proc_fail_nth_write+0xa5/0x290 [ 385.084034][ T3655] ? security_file_permission+0x9d/0xc0 [ 385.089667][ T3655] ? proc_fail_nth_read+0x220/0x220 [ 385.095109][ T3655] ? security_file_permission+0xa8/0xc0 [ 385.100724][ T3655] ? rw_verify_area+0x1c2/0x360 [ 385.105722][ T3655] ? proc_fail_nth_read+0x220/0x220 [ 385.110922][ T3655] vfs_write+0x39b/0xf80 [ 385.115407][ T3655] ? kernel_write+0x420/0x420 [ 385.120511][ T3655] ? __kasan_check_write+0x14/0x20 [ 385.125608][ T3655] ? mutex_lock+0xb2/0x1e0 [ 385.130121][ T3655] ? mutex_trylock+0x180/0x180 [ 385.134859][ T3655] ? __fdget_pos+0x26d/0x310 [ 385.139511][ T3655] ? ksys_write+0x77/0x2c0 [ 385.143909][ T3655] ksys_write+0x198/0x2c0 [ 385.148217][ T3655] ? __kasan_check_write+0x14/0x20 [ 385.153321][ T3655] ? __ia32_sys_read+0x90/0x90 [ 385.158061][ T3655] ? debug_smp_processor_id+0x17/0x20 [ 385.163407][ T3655] __x64_sys_write+0x7b/0x90 [ 385.167973][ T3655] do_syscall_64+0x34/0x70 [ 385.172472][ T3655] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 385.179209][ T3655] RIP: 0033:0x7f869ba6eb5f [ 385.183784][ T3655] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 385.204862][ T3655] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 385.213651][ T3655] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 385.221774][ T3655] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 385.229985][ T3655] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 385.238293][ T3655] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 2022/08/30 17:02:06 executed programs: 1454 [ 385.246360][ T3655] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 385.258012][ T3661] FAULT_INJECTION: forcing a failure. [ 385.258012][ T3661] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 385.259902][ T3657] CPU: 1 PID: 3657 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 385.274160][ T3663] FAULT_INJECTION: forcing a failure. [ 385.274160][ T3663] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 385.282000][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 385.282005][ T3657] Call Trace: [ 385.282023][ T3657] dump_stack_lvl+0x1e2/0x24b [ 385.282033][ T3657] ? bfq_pos_tree_add_move+0x43e/0x43e [ 385.282043][ T3657] ? vsnprintf+0x1fa/0x1cd0 [ 385.282054][ T3657] dump_stack+0x15/0x17 [ 385.282064][ T3657] should_fail+0x3c0/0x510 [ 385.282073][ T3657] should_fail_usercopy+0x1a/0x20 [ 385.282084][ T3657] _copy_from_user+0x20/0xd0 [ 385.282095][ T3657] kstrtouint_from_user+0xd7/0x2b0 [ 385.282105][ T3657] ? kstrtol_from_user+0x310/0x310 [ 385.282121][ T3657] ? snprintf+0xd6/0x120 [ 385.357105][ T3657] ? avc_policy_seqno+0x1b/0x70 [ 385.362073][ T3657] ? selinux_file_permission+0x2a9/0x520 [ 385.367863][ T3657] proc_fail_nth_write+0xa5/0x290 [ 385.373264][ T3657] ? security_file_permission+0x9d/0xc0 [ 385.379160][ T3657] ? proc_fail_nth_read+0x220/0x220 [ 385.384614][ T3657] ? security_file_permission+0xa8/0xc0 [ 385.390236][ T3657] ? rw_verify_area+0x1c2/0x360 [ 385.395279][ T3657] ? proc_fail_nth_read+0x220/0x220 [ 385.400805][ T3657] vfs_write+0x39b/0xf80 [ 385.405298][ T3657] ? kernel_write+0x420/0x420 [ 385.410150][ T3657] ? __kasan_check_write+0x14/0x20 [ 385.415246][ T3657] ? mutex_lock+0xb2/0x1e0 [ 385.419665][ T3657] ? mutex_trylock+0x180/0x180 [ 385.424431][ T3657] ? __fdget_pos+0x26d/0x310 [ 385.429917][ T3657] ? ksys_write+0x77/0x2c0 [ 385.434410][ T3657] ksys_write+0x198/0x2c0 [ 385.438812][ T3657] ? __kasan_check_write+0x14/0x20 [ 385.443907][ T3657] ? __ia32_sys_read+0x90/0x90 [ 385.445460][ T3665] FAULT_INJECTION: forcing a failure. [ 385.445460][ T3665] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 385.450681][ T3657] ? debug_smp_processor_id+0x17/0x20 [ 385.450692][ T3657] __x64_sys_write+0x7b/0x90 [ 385.450708][ T3657] do_syscall_64+0x34/0x70 [ 385.478882][ T3657] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 385.484846][ T3657] RIP: 0033:0x7f6ebe0d0b5f [ 385.489515][ T3657] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 385.509811][ T3657] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 385.518237][ T3657] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 385.526369][ T3657] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 385.534711][ T3657] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 385.542684][ T3657] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 385.550844][ T3657] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 385.559068][ T3661] CPU: 0 PID: 3661 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 385.569563][ T3661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 385.579600][ T3661] Call Trace: [ 385.582966][ T3661] dump_stack_lvl+0x1e2/0x24b [ 385.588878][ T3661] ? bfq_pos_tree_add_move+0x43e/0x43e [ 385.594662][ T3661] ? vsnprintf+0x1fa/0x1cd0 [ 385.599322][ T3661] dump_stack+0x15/0x17 [ 385.603625][ T3661] should_fail+0x3c0/0x510 [ 385.608215][ T3661] should_fail_usercopy+0x1a/0x20 [ 385.613962][ T3661] _copy_from_user+0x20/0xd0 [ 385.619338][ T3661] kstrtouint_from_user+0xd7/0x2b0 [ 385.624541][ T3661] ? kstrtol_from_user+0x310/0x310 [ 385.629638][ T3661] ? snprintf+0xd6/0x120 [ 385.634012][ T3661] ? avc_policy_seqno+0x1b/0x70 [ 385.639233][ T3661] ? selinux_file_permission+0x2a9/0x520 [ 385.645120][ T3661] proc_fail_nth_write+0xa5/0x290 [ 385.650127][ T3661] ? security_file_permission+0x9d/0xc0 [ 385.655666][ T3661] ? proc_fail_nth_read+0x220/0x220 [ 385.660838][ T3661] ? security_file_permission+0xa8/0xc0 [ 385.666455][ T3661] ? rw_verify_area+0x1c2/0x360 [ 385.671377][ T3661] ? proc_fail_nth_read+0x220/0x220 [ 385.676724][ T3661] vfs_write+0x39b/0xf80 [ 385.681087][ T3661] ? kernel_write+0x420/0x420 [ 385.685927][ T3661] ? __kasan_check_write+0x14/0x20 [ 385.691121][ T3661] ? mutex_lock+0xb2/0x1e0 [ 385.695512][ T3661] ? mutex_trylock+0x180/0x180 [ 385.700694][ T3661] ? __fdget_pos+0x26d/0x310 [ 385.705554][ T3661] ? ksys_write+0x77/0x2c0 [ 385.710047][ T3661] ksys_write+0x198/0x2c0 [ 385.714458][ T3661] ? __ia32_sys_read+0x90/0x90 [ 385.719627][ T3661] ? debug_smp_processor_id+0x17/0x20 [ 385.726367][ T3661] __x64_sys_write+0x7b/0x90 [ 385.730945][ T3661] do_syscall_64+0x34/0x70 [ 385.735778][ T3661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 385.742207][ T3661] RIP: 0033:0x7f7d1c31ab5f [ 385.746861][ T3661] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 385.768618][ T3661] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 385.777230][ T3661] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 385.785727][ T3661] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 385.794602][ T3661] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 385.802733][ T3661] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 385.811091][ T3661] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 385.825410][ T3668] FAULT_INJECTION: forcing a failure. [ 385.825410][ T3668] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 385.839649][ T3663] CPU: 1 PID: 3663 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 385.850085][ T3663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 385.860736][ T3663] Call Trace: [ 385.864014][ T3663] dump_stack_lvl+0x1e2/0x24b [ 385.868848][ T3663] ? bfq_pos_tree_add_move+0x43e/0x43e [ 385.874601][ T3663] ? vsnprintf+0x1fa/0x1cd0 [ 385.879375][ T3663] dump_stack+0x15/0x17 [ 385.883526][ T3663] should_fail+0x3c0/0x510 [ 385.888044][ T3663] should_fail_usercopy+0x1a/0x20 [ 385.891874][ T3670] FAULT_INJECTION: forcing a failure. [ 385.891874][ T3670] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 385.893263][ T3663] _copy_from_user+0x20/0xd0 [ 385.911668][ T3663] kstrtouint_from_user+0xd7/0x2b0 [ 385.916771][ T3663] ? kstrtol_from_user+0x310/0x310 [ 385.922049][ T3663] ? snprintf+0xd6/0x120 [ 385.926369][ T3663] ? avc_policy_seqno+0x1b/0x70 [ 385.931389][ T3663] ? selinux_file_permission+0x2a9/0x520 [ 385.937422][ T3663] proc_fail_nth_write+0xa5/0x290 [ 385.942714][ T3663] ? security_file_permission+0x9d/0xc0 [ 385.948346][ T3663] ? proc_fail_nth_read+0x220/0x220 [ 385.953618][ T3663] ? security_file_permission+0xa8/0xc0 [ 385.959163][ T3663] ? rw_verify_area+0x1c2/0x360 [ 385.964343][ T3663] ? proc_fail_nth_read+0x220/0x220 [ 385.969811][ T3663] vfs_write+0x39b/0xf80 [ 385.974146][ T3663] ? kernel_write+0x420/0x420 [ 385.978825][ T3663] ? __kasan_check_write+0x14/0x20 [ 385.984279][ T3663] ? mutex_lock+0xb2/0x1e0 [ 385.988813][ T3663] ? mutex_trylock+0x180/0x180 [ 385.993771][ T3663] ? __fdget_pos+0x26d/0x310 [ 385.998403][ T3663] ? ksys_write+0x77/0x2c0 [ 386.003086][ T3663] ksys_write+0x198/0x2c0 [ 386.007768][ T3663] ? __ia32_sys_read+0x90/0x90 [ 386.012825][ T3663] ? debug_smp_processor_id+0x17/0x20 [ 386.018193][ T3663] __x64_sys_write+0x7b/0x90 [ 386.022862][ T3663] do_syscall_64+0x34/0x70 [ 386.027370][ T3663] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 386.033261][ T3663] RIP: 0033:0x7faa22393b5f [ 386.037791][ T3663] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 386.057861][ T3663] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 386.066614][ T3663] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 386.074783][ T3663] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 386.083001][ T3663] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.091043][ T3663] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 386.098998][ T3663] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 386.107083][ T3670] CPU: 0 PID: 3670 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 386.117730][ T3670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 386.128053][ T3670] Call Trace: [ 386.131535][ T3670] dump_stack_lvl+0x1e2/0x24b [ 386.136201][ T3670] ? bfq_pos_tree_add_move+0x43e/0x43e [ 386.141728][ T3670] ? vsnprintf+0x1fa/0x1cd0 [ 386.146259][ T3670] dump_stack+0x15/0x17 [ 386.150401][ T3670] should_fail+0x3c0/0x510 [ 386.154800][ T3670] should_fail_usercopy+0x1a/0x20 [ 386.159829][ T3670] _copy_from_user+0x20/0xd0 [ 386.164419][ T3670] kstrtouint_from_user+0xd7/0x2b0 [ 386.169602][ T3670] ? kstrtol_from_user+0x310/0x310 [ 386.174956][ T3670] ? snprintf+0xd6/0x120 [ 386.179184][ T3670] ? avc_policy_seqno+0x1b/0x70 [ 386.184385][ T3670] ? selinux_file_permission+0x2a9/0x520 [ 386.190174][ T3670] proc_fail_nth_write+0xa5/0x290 [ 386.195210][ T3670] ? security_file_permission+0x9d/0xc0 [ 386.200908][ T3670] ? proc_fail_nth_read+0x220/0x220 [ 386.206087][ T3670] ? security_file_permission+0xa8/0xc0 [ 386.211709][ T3670] ? rw_verify_area+0x1c2/0x360 [ 386.216628][ T3670] ? proc_fail_nth_read+0x220/0x220 [ 386.222280][ T3670] vfs_write+0x39b/0xf80 [ 386.226509][ T3670] ? kernel_write+0x420/0x420 [ 386.231256][ T3670] ? __kasan_check_write+0x14/0x20 [ 386.236892][ T3670] ? mutex_lock+0xb2/0x1e0 [ 386.241390][ T3670] ? mutex_trylock+0x180/0x180 [ 386.246837][ T3670] ? __fdget_pos+0x26d/0x310 [ 386.251420][ T3670] ? ksys_write+0x77/0x2c0 [ 386.255819][ T3670] ksys_write+0x198/0x2c0 [ 386.260998][ T3670] ? __ia32_sys_read+0x90/0x90 [ 386.265766][ T3670] ? debug_smp_processor_id+0x17/0x20 [ 386.271690][ T3670] __x64_sys_write+0x7b/0x90 [ 386.276382][ T3670] do_syscall_64+0x34/0x70 [ 386.280870][ T3670] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 386.286855][ T3670] RIP: 0033:0x7f6ebe0d0b5f [ 386.291431][ T3670] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 386.312172][ T3670] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 386.320918][ T3670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 386.329048][ T3670] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 386.337730][ T3670] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.345690][ T3670] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 386.355033][ T3670] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 386.363371][ T3668] CPU: 1 PID: 3668 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 386.374841][ T3668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 386.385157][ T3668] Call Trace: [ 386.388519][ T3668] dump_stack_lvl+0x1e2/0x24b [ 386.393173][ T3668] ? bfq_pos_tree_add_move+0x43e/0x43e [ 386.398781][ T3668] ? vsnprintf+0x1fa/0x1cd0 [ 386.403267][ T3668] dump_stack+0x15/0x17 [ 386.407593][ T3668] should_fail+0x3c0/0x510 [ 386.412111][ T3668] should_fail_usercopy+0x1a/0x20 [ 386.417292][ T3668] _copy_from_user+0x20/0xd0 [ 386.422049][ T3668] kstrtouint_from_user+0xd7/0x2b0 [ 386.427327][ T3668] ? kstrtol_from_user+0x310/0x310 [ 386.432606][ T3668] ? snprintf+0xd6/0x120 [ 386.436924][ T3668] ? avc_policy_seqno+0x1b/0x70 [ 386.441939][ T3668] ? selinux_file_permission+0x2a9/0x520 [ 386.447810][ T3668] proc_fail_nth_write+0xa5/0x290 [ 386.452829][ T3668] ? security_file_permission+0x9d/0xc0 [ 386.458625][ T3668] ? proc_fail_nth_read+0x220/0x220 [ 386.463936][ T3668] ? security_file_permission+0xa8/0xc0 [ 386.469549][ T3668] ? rw_verify_area+0x1c2/0x360 [ 386.474376][ T3668] ? proc_fail_nth_read+0x220/0x220 [ 386.479811][ T3668] vfs_write+0x39b/0xf80 [ 386.484123][ T3668] ? kernel_write+0x420/0x420 [ 386.488955][ T3668] ? __kasan_check_write+0x14/0x20 [ 386.494998][ T3668] ? mutex_lock+0xb2/0x1e0 [ 386.499569][ T3668] ? mutex_trylock+0x180/0x180 [ 386.504321][ T3668] ? __fdget_pos+0x26d/0x310 [ 386.509059][ T3668] ? ksys_write+0x77/0x2c0 [ 386.513489][ T3668] ksys_write+0x198/0x2c0 [ 386.518289][ T3668] ? __ia32_sys_read+0x90/0x90 [ 386.523781][ T3668] ? debug_smp_processor_id+0x17/0x20 [ 386.529237][ T3668] __x64_sys_write+0x7b/0x90 [ 386.533984][ T3668] do_syscall_64+0x34/0x70 [ 386.538581][ T3668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 386.544653][ T3668] RIP: 0033:0x7f022ab05b5f [ 386.549060][ T3668] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 386.569744][ T3668] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 386.578227][ T3668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 386.586446][ T3668] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 386.594566][ T3668] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.603068][ T3668] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 386.611190][ T3668] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 386.622127][ T3672] FAULT_INJECTION: forcing a failure. [ 386.622127][ T3672] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 386.625657][ T3665] CPU: 1 PID: 3665 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 386.639050][ T3674] FAULT_INJECTION: forcing a failure. [ 386.639050][ T3674] name failslab, interval 1, probability 0, space 0, times 0 [ 386.648545][ T3665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 386.648549][ T3665] Call Trace: [ 386.648567][ T3665] dump_stack_lvl+0x1e2/0x24b [ 386.648577][ T3665] ? bfq_pos_tree_add_move+0x43e/0x43e [ 386.648587][ T3665] ? vsnprintf+0x1fa/0x1cd0 [ 386.648603][ T3665] dump_stack+0x15/0x17 [ 386.695607][ T3665] should_fail+0x3c0/0x510 [ 386.700094][ T3665] should_fail_usercopy+0x1a/0x20 [ 386.705277][ T3665] _copy_from_user+0x20/0xd0 [ 386.710025][ T3665] kstrtouint_from_user+0xd7/0x2b0 [ 386.715478][ T3665] ? kstrtol_from_user+0x310/0x310 [ 386.720674][ T3665] ? snprintf+0xd6/0x120 [ 386.724996][ T3665] ? avc_policy_seqno+0x1b/0x70 [ 386.729984][ T3665] ? selinux_file_permission+0x2a9/0x520 [ 386.735625][ T3665] proc_fail_nth_write+0xa5/0x290 [ 386.740748][ T3665] ? security_file_permission+0x9d/0xc0 [ 386.748061][ T3665] ? proc_fail_nth_read+0x220/0x220 [ 386.753339][ T3665] ? security_file_permission+0xa8/0xc0 [ 386.759006][ T3665] ? rw_verify_area+0x1c2/0x360 [ 386.763957][ T3665] ? proc_fail_nth_read+0x220/0x220 [ 386.769517][ T3665] vfs_write+0x39b/0xf80 [ 386.773861][ T3665] ? kernel_write+0x420/0x420 [ 386.778706][ T3665] ? __kasan_check_write+0x14/0x20 [ 386.784070][ T3665] ? mutex_lock+0xb2/0x1e0 [ 386.788760][ T3665] ? mutex_trylock+0x180/0x180 [ 386.793600][ T3665] ? __fdget_pos+0x26d/0x310 [ 386.798170][ T3665] ? ksys_write+0x77/0x2c0 [ 386.802652][ T3665] ksys_write+0x198/0x2c0 [ 386.806973][ T3665] ? __ia32_sys_read+0x90/0x90 [ 386.811749][ T3665] ? debug_smp_processor_id+0x17/0x20 [ 386.817117][ T3665] __x64_sys_write+0x7b/0x90 [ 386.821962][ T3665] do_syscall_64+0x34/0x70 [ 386.826381][ T3665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 386.832444][ T3665] RIP: 0033:0x7f869ba6eb5f [ 386.836960][ T3665] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 386.857703][ T3665] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 386.866367][ T3665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 386.874799][ T3665] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 386.883042][ T3665] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.891182][ T3665] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 386.899669][ T3665] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 386.908732][ T3672] CPU: 0 PID: 3672 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 386.921043][ T3672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 386.931472][ T3672] Call Trace: [ 386.934841][ T3672] dump_stack_lvl+0x1e2/0x24b [ 386.939526][ T3672] ? bfq_pos_tree_add_move+0x43e/0x43e [ 386.945235][ T3672] ? vsnprintf+0x1fa/0x1cd0 [ 386.949977][ T3672] dump_stack+0x15/0x17 [ 386.954195][ T3672] should_fail+0x3c0/0x510 [ 386.959767][ T3672] should_fail_usercopy+0x1a/0x20 [ 386.965062][ T3672] _copy_from_user+0x20/0xd0 [ 386.969667][ T3672] kstrtouint_from_user+0xd7/0x2b0 [ 386.975154][ T3672] ? kstrtol_from_user+0x310/0x310 [ 386.980366][ T3672] ? snprintf+0xd6/0x120 [ 386.984612][ T3672] ? avc_policy_seqno+0x1b/0x70 [ 386.991077][ T3672] ? selinux_file_permission+0x2a9/0x520 [ 386.997508][ T3672] proc_fail_nth_write+0xa5/0x290 [ 387.002620][ T3672] ? security_file_permission+0x9d/0xc0 [ 387.008235][ T3672] ? proc_fail_nth_read+0x220/0x220 [ 387.013644][ T3672] ? security_file_permission+0xa8/0xc0 [ 387.019699][ T3672] ? rw_verify_area+0x1c2/0x360 [ 387.025589][ T3672] ? proc_fail_nth_read+0x220/0x220 [ 387.030763][ T3672] vfs_write+0x39b/0xf80 [ 387.035264][ T3672] ? kernel_write+0x420/0x420 [ 387.039948][ T3672] ? __kasan_check_write+0x14/0x20 [ 387.045048][ T3672] ? mutex_lock+0xb2/0x1e0 [ 387.049563][ T3672] ? mutex_trylock+0x180/0x180 [ 387.054489][ T3672] ? __fdget_pos+0x26d/0x310 [ 387.059220][ T3672] ? ksys_write+0x77/0x2c0 [ 387.063609][ T3672] ksys_write+0x198/0x2c0 [ 387.068006][ T3672] ? __ia32_sys_read+0x90/0x90 [ 387.072832][ T3672] ? debug_smp_processor_id+0x17/0x20 [ 387.078194][ T3672] __x64_sys_write+0x7b/0x90 [ 387.082767][ T3672] do_syscall_64+0x34/0x70 [ 387.087247][ T3672] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 387.093123][ T3672] RIP: 0033:0x7f7d1c31ab5f [ 387.097519][ T3672] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 387.118064][ T3672] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 387.126888][ T3672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 387.135031][ T3672] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 387.143203][ T3672] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 387.151413][ T3672] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 387.159973][ T3672] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 387.179927][ T3674] CPU: 1 PID: 3674 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 387.190795][ T3674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 387.201111][ T3674] Call Trace: [ 387.204479][ T3674] dump_stack_lvl+0x1e2/0x24b [ 387.210119][ T3674] ? panic+0x7d7/0x7d7 [ 387.214286][ T3674] ? bfq_pos_tree_add_move+0x43e/0x43e [ 387.219909][ T3674] ? find_next_bit+0xd6/0x120 [ 387.224576][ T3674] ? cpumask_next+0x11/0x30 [ 387.229561][ T3674] dump_stack+0x15/0x17 [ 387.234222][ T3674] should_fail+0x3c0/0x510 [ 387.238993][ T3674] ? percpu_ref_init+0xd0/0x340 [ 387.243945][ T3674] __should_failslab+0x9f/0xe0 [ 387.248791][ T3674] should_failslab+0x9/0x20 [ 387.253469][ T3674] kmem_cache_alloc_trace+0x3a/0x330 [ 387.259045][ T3674] percpu_ref_init+0xd0/0x340 [ 387.263912][ T3674] ? cgroup_setup_root+0xea0/0xea0 [ 387.269200][ T3674] cgroup_apply_control_enable+0x3a2/0x12f0 [ 387.275174][ T3674] ? cgroup_reconfigure+0xe0/0xe0 [ 387.280186][ T3674] cgroup_apply_control+0x8e/0x7e0 [ 387.285290][ T3674] ? css_next_child+0x160/0x160 [ 387.290121][ T3674] ? io_schedule+0x120/0x120 [ 387.294710][ T3674] ? kernfs_fop_write_iter+0x15e/0x410 [ 387.300247][ T3674] ? __kasan_check_write+0x14/0x20 [ 387.305800][ T3674] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 387.311082][ T3674] cgroup_subtree_control_write+0xd19/0x1310 [ 387.317478][ T3674] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 387.323532][ T3674] ? __kasan_check_write+0x14/0x20 [ 387.328643][ T3674] ? _copy_from_iter+0x3fb/0xd60 [ 387.334089][ T3674] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 387.340290][ T3674] cgroup_file_write+0x28e/0x590 [ 387.345326][ T3674] ? cgroup_seqfile_stop+0xc0/0xc0 [ 387.350431][ T3674] ? mutex_trylock+0x180/0x180 [ 387.355187][ T3674] ? __kasan_check_write+0x14/0x20 [ 387.360470][ T3674] kernfs_fop_write_iter+0x2d0/0x410 [ 387.366713][ T3674] ? cgroup_seqfile_stop+0xc0/0xc0 [ 387.372356][ T3674] vfs_write+0xc4a/0xf80 [ 387.376682][ T3674] ? kernel_write+0x420/0x420 [ 387.381587][ T3674] ? mutex_lock+0xb2/0x1e0 [ 387.386722][ T3674] ? mutex_trylock+0x180/0x180 [ 387.391565][ T3674] ? __fdget_pos+0x26d/0x310 [ 387.396529][ T3674] ? ksys_write+0x77/0x2c0 [ 387.400954][ T3674] ksys_write+0x198/0x2c0 [ 387.405405][ T3674] ? __ia32_sys_read+0x90/0x90 [ 387.410618][ T3674] ? debug_smp_processor_id+0x17/0x20 [ 387.417030][ T3674] __x64_sys_write+0x7b/0x90 [ 387.421841][ T3674] do_syscall_64+0x34/0x70 [ 387.426451][ T3674] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 387.432802][ T3674] RIP: 0033:0x7f85191c4049 [ 387.437423][ T3674] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 387.458483][ T3674] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 387.467248][ T3674] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 387.475379][ T3674] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 387.483500][ T3674] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 387.491557][ T3674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 387.499979][ T3674] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 387.519978][ T3684] FAULT_INJECTION: forcing a failure. [ 387.519978][ T3684] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 387.523166][ T3678] FAULT_INJECTION: forcing a failure. [ 387.523166][ T3678] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 387.538832][ T3687] FAULT_INJECTION: forcing a failure. [ 387.538832][ T3687] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 387.546447][ T3680] FAULT_INJECTION: forcing a failure. [ 387.546447][ T3680] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 387.559853][ T3682] FAULT_INJECTION: forcing a failure. [ 387.559853][ T3682] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 387.575295][ T3678] CPU: 1 PID: 3678 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 387.587182][ T3688] FAULT_INJECTION: forcing a failure. [ 387.587182][ T3688] name failslab, interval 1, probability 0, space 0, times 0 [ 387.596937][ T3678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 387.596942][ T3678] Call Trace: [ 387.596960][ T3678] dump_stack_lvl+0x1e2/0x24b [ 387.596970][ T3678] ? bfq_pos_tree_add_move+0x43e/0x43e [ 387.596980][ T3678] ? vsnprintf+0x1fa/0x1cd0 [ 387.596990][ T3678] dump_stack+0x15/0x17 [ 387.596998][ T3678] should_fail+0x3c0/0x510 [ 387.597009][ T3678] should_fail_usercopy+0x1a/0x20 [ 387.597018][ T3678] _copy_from_user+0x20/0xd0 [ 387.597029][ T3678] kstrtouint_from_user+0xd7/0x2b0 [ 387.597039][ T3678] ? kstrtol_from_user+0x310/0x310 [ 387.597047][ T3678] ? snprintf+0xd6/0x120 [ 387.597067][ T3678] ? avc_policy_seqno+0x1b/0x70 [ 387.677349][ T3678] ? selinux_file_permission+0x2a9/0x520 [ 387.683087][ T3678] proc_fail_nth_write+0xa5/0x290 [ 387.688558][ T3678] ? security_file_permission+0x9d/0xc0 [ 387.694243][ T3678] ? proc_fail_nth_read+0x220/0x220 [ 387.699519][ T3678] ? security_file_permission+0xa8/0xc0 [ 387.705225][ T3678] ? rw_verify_area+0x1c2/0x360 [ 387.710252][ T3678] ? proc_fail_nth_read+0x220/0x220 [ 387.715964][ T3678] vfs_write+0x39b/0xf80 [ 387.720279][ T3678] ? kernel_write+0x420/0x420 [ 387.724955][ T3678] ? __kasan_check_write+0x14/0x20 [ 387.730057][ T3678] ? mutex_lock+0xb2/0x1e0 [ 387.734635][ T3678] ? mutex_trylock+0x180/0x180 [ 387.739499][ T3678] ? __fdget_pos+0x26d/0x310 [ 387.744085][ T3678] ? ksys_write+0x77/0x2c0 [ 387.748759][ T3678] ksys_write+0x198/0x2c0 [ 387.753168][ T3678] ? __kasan_check_write+0x14/0x20 [ 387.758365][ T3678] ? __ia32_sys_read+0x90/0x90 [ 387.763110][ T3678] ? debug_smp_processor_id+0x17/0x20 [ 387.768545][ T3678] __x64_sys_write+0x7b/0x90 [ 387.773817][ T3678] do_syscall_64+0x34/0x70 [ 387.778395][ T3678] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 387.784352][ T3678] RIP: 0033:0x7f869ba6eb5f [ 387.788751][ T3678] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 387.808908][ T3678] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 387.817850][ T3678] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 387.826413][ T3678] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 387.834732][ T3678] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 387.842774][ T3678] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 387.850729][ T3678] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 387.858801][ T3684] CPU: 0 PID: 3684 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 387.869317][ T3684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 387.879528][ T3684] Call Trace: [ 387.882803][ T3684] dump_stack_lvl+0x1e2/0x24b [ 387.887475][ T3684] ? bfq_pos_tree_add_move+0x43e/0x43e [ 387.893290][ T3684] ? vsnprintf+0x1fa/0x1cd0 [ 387.897796][ T3684] dump_stack+0x15/0x17 [ 387.902038][ T3684] should_fail+0x3c0/0x510 [ 387.906563][ T3684] should_fail_usercopy+0x1a/0x20 [ 387.911567][ T3684] _copy_from_user+0x20/0xd0 [ 387.916143][ T3684] kstrtouint_from_user+0xd7/0x2b0 [ 387.921234][ T3684] ? kstrtol_from_user+0x310/0x310 [ 387.926351][ T3684] ? snprintf+0xd6/0x120 [ 387.930571][ T3684] ? avc_policy_seqno+0x1b/0x70 [ 387.935490][ T3684] ? selinux_file_permission+0x2a9/0x520 [ 387.941099][ T3684] proc_fail_nth_write+0xa5/0x290 [ 387.946240][ T3684] ? security_file_permission+0x9d/0xc0 [ 387.951760][ T3684] ? proc_fail_nth_read+0x220/0x220 [ 387.957044][ T3684] ? security_file_permission+0xa8/0xc0 [ 387.962825][ T3684] ? rw_verify_area+0x1c2/0x360 [ 387.968608][ T3684] ? proc_fail_nth_read+0x220/0x220 [ 387.973781][ T3684] vfs_write+0x39b/0xf80 [ 387.978349][ T3684] ? kernel_write+0x420/0x420 [ 387.983003][ T3684] ? __kasan_check_write+0x14/0x20 [ 387.988113][ T3684] ? mutex_lock+0xb2/0x1e0 [ 387.992630][ T3684] ? mutex_trylock+0x180/0x180 [ 387.997676][ T3684] ? __fdget_pos+0x26d/0x310 [ 388.002336][ T3684] ? ksys_write+0x77/0x2c0 [ 388.006908][ T3684] ksys_write+0x198/0x2c0 [ 388.011469][ T3684] ? __ia32_sys_read+0x90/0x90 [ 388.016831][ T3684] ? debug_smp_processor_id+0x17/0x20 [ 388.022200][ T3684] __x64_sys_write+0x7b/0x90 [ 388.027033][ T3684] do_syscall_64+0x34/0x70 [ 388.031622][ T3684] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 388.038380][ T3684] RIP: 0033:0x7f7d1c31ab5f [ 388.042788][ T3684] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 388.062799][ T3684] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 388.071195][ T3684] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 388.079336][ T3684] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 388.087383][ T3684] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.098282][ T3684] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 388.106319][ T3684] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 388.115467][ T3682] CPU: 1 PID: 3682 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 388.126294][ T3682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 388.136532][ T3682] Call Trace: [ 388.139904][ T3682] dump_stack_lvl+0x1e2/0x24b [ 388.144748][ T3682] ? bfq_pos_tree_add_move+0x43e/0x43e [ 388.150631][ T3682] ? vsnprintf+0x1fa/0x1cd0 [ 388.155215][ T3682] dump_stack+0x15/0x17 [ 388.159463][ T3682] should_fail+0x3c0/0x510 [ 388.164489][ T3682] should_fail_usercopy+0x1a/0x20 [ 388.169637][ T3682] _copy_from_user+0x20/0xd0 [ 388.174317][ T3682] kstrtouint_from_user+0xd7/0x2b0 [ 388.179438][ T3682] ? kstrtol_from_user+0x310/0x310 [ 388.184532][ T3682] ? snprintf+0xd6/0x120 [ 388.188793][ T3682] ? avc_policy_seqno+0x1b/0x70 [ 388.193727][ T3682] ? selinux_file_permission+0x2a9/0x520 [ 388.199518][ T3682] proc_fail_nth_write+0xa5/0x290 [ 388.204785][ T3682] ? security_file_permission+0x9d/0xc0 [ 388.210577][ T3682] ? proc_fail_nth_read+0x220/0x220 [ 388.215847][ T3682] ? security_file_permission+0xa8/0xc0 [ 388.221604][ T3682] ? rw_verify_area+0x1c2/0x360 [ 388.226522][ T3682] ? proc_fail_nth_read+0x220/0x220 [ 388.232223][ T3682] vfs_write+0x39b/0xf80 [ 388.236587][ T3682] ? kernel_write+0x420/0x420 [ 388.241449][ T3682] ? __kasan_check_write+0x14/0x20 [ 388.246748][ T3682] ? mutex_lock+0xb2/0x1e0 [ 388.251369][ T3682] ? mutex_trylock+0x180/0x180 [ 388.256294][ T3682] ? __fdget_pos+0x26d/0x310 [ 388.260871][ T3682] ? ksys_write+0x77/0x2c0 [ 388.266578][ T3682] ksys_write+0x198/0x2c0 [ 388.271021][ T3682] ? __kasan_check_write+0x14/0x20 [ 388.276835][ T3682] ? __ia32_sys_read+0x90/0x90 [ 388.281582][ T3682] ? debug_smp_processor_id+0x17/0x20 [ 388.287048][ T3682] __x64_sys_write+0x7b/0x90 [ 388.292749][ T3682] do_syscall_64+0x34/0x70 [ 388.297150][ T3682] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 388.303320][ T3682] RIP: 0033:0x7f6ebe0d0b5f [ 388.307927][ T3682] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 388.327920][ T3682] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 388.336330][ T3682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 388.344480][ T3682] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 388.352894][ T3682] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.360965][ T3682] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 388.369102][ T3682] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 388.378720][ T3687] CPU: 0 PID: 3687 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 388.390116][ T3687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 388.401427][ T3687] Call Trace: [ 388.404838][ T3687] dump_stack_lvl+0x1e2/0x24b [ 388.409503][ T3687] ? bfq_pos_tree_add_move+0x43e/0x43e [ 388.415116][ T3687] ? vsnprintf+0x1fa/0x1cd0 [ 388.419820][ T3687] dump_stack+0x15/0x17 [ 388.423979][ T3687] should_fail+0x3c0/0x510 [ 388.428377][ T3687] should_fail_usercopy+0x1a/0x20 [ 388.433866][ T3687] _copy_from_user+0x20/0xd0 [ 388.438586][ T3687] kstrtouint_from_user+0xd7/0x2b0 [ 388.444129][ T3687] ? kstrtol_from_user+0x310/0x310 [ 388.449844][ T3687] ? snprintf+0xd6/0x120 [ 388.454625][ T3687] ? avc_policy_seqno+0x1b/0x70 [ 388.459591][ T3687] ? selinux_file_permission+0x2a9/0x520 [ 388.466061][ T3687] proc_fail_nth_write+0xa5/0x290 [ 388.471142][ T3687] ? security_file_permission+0x9d/0xc0 [ 388.477144][ T3687] ? proc_fail_nth_read+0x220/0x220 [ 388.482497][ T3687] ? security_file_permission+0xa8/0xc0 [ 388.488194][ T3687] ? rw_verify_area+0x1c2/0x360 [ 388.493023][ T3687] ? proc_fail_nth_read+0x220/0x220 [ 388.498221][ T3687] vfs_write+0x39b/0xf80 [ 388.502536][ T3687] ? kernel_write+0x420/0x420 [ 388.507976][ T3687] ? __kasan_check_write+0x14/0x20 [ 388.513074][ T3687] ? mutex_lock+0xb2/0x1e0 [ 388.517808][ T3687] ? mutex_trylock+0x180/0x180 [ 388.523044][ T3687] ? __fdget_pos+0x26d/0x310 [ 388.528154][ T3687] ? ksys_write+0x77/0x2c0 [ 388.532759][ T3687] ksys_write+0x198/0x2c0 [ 388.537176][ T3687] ? __ia32_sys_read+0x90/0x90 [ 388.542769][ T3687] ? debug_smp_processor_id+0x17/0x20 [ 388.548702][ T3687] __x64_sys_write+0x7b/0x90 [ 388.553599][ T3687] do_syscall_64+0x34/0x70 [ 388.558658][ T3687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 388.565064][ T3687] RIP: 0033:0x7faa22393b5f [ 388.569557][ T3687] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 388.591160][ T3687] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 388.600364][ T3687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 388.608581][ T3687] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 388.617525][ T3687] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.625837][ T3687] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 388.633991][ T3687] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 388.647365][ T3688] CPU: 1 PID: 3688 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 388.658180][ T3688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 388.668511][ T3688] Call Trace: [ 388.671914][ T3688] dump_stack_lvl+0x1e2/0x24b [ 388.677191][ T3688] ? panic+0x7d7/0x7d7 [ 388.683198][ T3688] ? bfq_pos_tree_add_move+0x43e/0x43e [ 388.689487][ T3688] ? find_next_bit+0xd6/0x120 [ 388.694928][ T3688] ? cpumask_next+0x11/0x30 [ 388.700497][ T3688] dump_stack+0x15/0x17 [ 388.705035][ T3688] should_fail+0x3c0/0x510 [ 388.710012][ T3688] ? percpu_ref_init+0xd0/0x340 [ 388.715323][ T3688] __should_failslab+0x9f/0xe0 [ 388.720629][ T3688] should_failslab+0x9/0x20 [ 388.726337][ T3688] kmem_cache_alloc_trace+0x3a/0x330 [ 388.733090][ T3688] percpu_ref_init+0xd0/0x340 [ 388.738087][ T3688] ? cgroup_setup_root+0xea0/0xea0 [ 388.743838][ T3688] cgroup_apply_control_enable+0x3a2/0x12f0 [ 388.750313][ T3688] ? cgroup_reconfigure+0xe0/0xe0 [ 388.756093][ T3688] cgroup_apply_control+0x8e/0x7e0 [ 388.761546][ T3688] ? css_next_child+0x160/0x160 [ 388.767677][ T3688] ? io_schedule+0x120/0x120 [ 388.772711][ T3688] ? kernfs_fop_write_iter+0x15e/0x410 [ 388.778431][ T3688] ? __kasan_check_write+0x14/0x20 [ 388.784148][ T3688] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 388.789801][ T3688] cgroup_subtree_control_write+0xd19/0x1310 [ 388.796640][ T3688] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 388.802888][ T3688] ? __kasan_check_write+0x14/0x20 [ 388.808819][ T3688] ? _copy_from_iter+0x3fb/0xd60 [ 388.814411][ T3688] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 388.821621][ T3688] cgroup_file_write+0x28e/0x590 [ 388.827021][ T3688] ? cgroup_seqfile_stop+0xc0/0xc0 [ 388.832111][ T3688] ? mutex_trylock+0x180/0x180 [ 388.840603][ T3688] ? __kasan_check_write+0x14/0x20 [ 388.846851][ T3688] kernfs_fop_write_iter+0x2d0/0x410 [ 388.852287][ T3688] ? cgroup_seqfile_stop+0xc0/0xc0 [ 388.858161][ T3688] vfs_write+0xc4a/0xf80 [ 388.862396][ T3688] ? kernel_write+0x420/0x420 [ 388.867050][ T3688] ? mutex_lock+0xb2/0x1e0 [ 388.871892][ T3688] ? mutex_trylock+0x180/0x180 [ 388.877025][ T3688] ? __fdget_pos+0x26d/0x310 [ 388.881690][ T3688] ? ksys_write+0x77/0x2c0 [ 388.886083][ T3688] ksys_write+0x198/0x2c0 [ 388.890579][ T3688] ? __ia32_sys_read+0x90/0x90 [ 388.895329][ T3688] ? debug_smp_processor_id+0x17/0x20 [ 388.900881][ T3688] __x64_sys_write+0x7b/0x90 [ 388.905721][ T3688] do_syscall_64+0x34/0x70 [ 388.910309][ T3688] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 388.916748][ T3688] RIP: 0033:0x7f85191c4049 [ 388.921346][ T3688] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 388.942092][ T3688] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 388.950588][ T3688] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 388.958738][ T3688] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 388.966980][ T3688] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.975846][ T3688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 388.984337][ T3688] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 388.993339][ T3680] CPU: 1 PID: 3680 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 389.004799][ T3680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 389.015024][ T3680] Call Trace: [ 389.018308][ T3680] dump_stack_lvl+0x1e2/0x24b [ 389.024358][ T3680] ? bfq_pos_tree_add_move+0x43e/0x43e [ 389.029984][ T3680] ? vsnprintf+0x1fa/0x1cd0 [ 389.035018][ T3680] dump_stack+0x15/0x17 [ 389.039331][ T3680] should_fail+0x3c0/0x510 [ 389.043917][ T3680] should_fail_usercopy+0x1a/0x20 [ 389.049035][ T3680] _copy_from_user+0x20/0xd0 [ 389.053712][ T3680] kstrtouint_from_user+0xd7/0x2b0 [ 389.060033][ T3680] ? kstrtol_from_user+0x310/0x310 [ 389.065307][ T3680] ? snprintf+0xd6/0x120 [ 389.069801][ T3680] ? avc_policy_seqno+0x1b/0x70 [ 389.074800][ T3680] ? selinux_file_permission+0x2a9/0x520 [ 389.080439][ T3680] proc_fail_nth_write+0xa5/0x290 [ 389.085634][ T3680] ? security_file_permission+0x9d/0xc0 [ 389.092062][ T3680] ? proc_fail_nth_read+0x220/0x220 [ 389.097477][ T3680] ? security_file_permission+0xa8/0xc0 [ 389.103174][ T3680] ? rw_verify_area+0x1c2/0x360 [ 389.108468][ T3680] ? proc_fail_nth_read+0x220/0x220 [ 389.113914][ T3680] vfs_write+0x39b/0xf80 [ 389.119458][ T3680] ? kernel_write+0x420/0x420 [ 389.124674][ T3680] ? __kasan_check_write+0x14/0x20 [ 389.130081][ T3680] ? mutex_lock+0xb2/0x1e0 [ 389.134534][ T3680] ? mutex_trylock+0x180/0x180 [ 389.139308][ T3680] ? __fdget_pos+0x26d/0x310 [ 389.143972][ T3680] ? ksys_write+0x77/0x2c0 [ 389.148630][ T3680] ksys_write+0x198/0x2c0 [ 389.153119][ T3680] ? __kasan_check_write+0x14/0x20 [ 389.158318][ T3680] ? __ia32_sys_read+0x90/0x90 [ 389.163411][ T3680] ? debug_smp_processor_id+0x17/0x20 [ 389.168779][ T3680] __x64_sys_write+0x7b/0x90 [ 389.173478][ T3680] do_syscall_64+0x34/0x70 [ 389.178006][ T3680] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 389.184162][ T3680] RIP: 0033:0x7f022ab05b5f [ 389.188938][ T3680] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 389.209274][ T3680] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 389.218119][ T3680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 389.226388][ T3680] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 389.235132][ T3680] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 389.243617][ T3680] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 389.251868][ T3680] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 389.271193][ T3690] FAULT_INJECTION: forcing a failure. [ 389.271193][ T3690] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 389.275828][ T3692] FAULT_INJECTION: forcing a failure. [ 389.275828][ T3692] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 389.291266][ T3696] FAULT_INJECTION: forcing a failure. [ 389.291266][ T3696] name failslab, interval 1, probability 0, space 0, times 0 [ 389.304369][ T3692] CPU: 1 PID: 3692 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 389.323164][ T3692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 389.334035][ T3692] Call Trace: [ 389.337946][ T3692] dump_stack_lvl+0x1e2/0x24b [ 389.344281][ T3692] ? bfq_pos_tree_add_move+0x43e/0x43e [ 389.350190][ T3692] ? vsnprintf+0x1fa/0x1cd0 [ 389.354784][ T3692] dump_stack+0x15/0x17 [ 389.359605][ T3692] should_fail+0x3c0/0x510 [ 389.365047][ T3692] should_fail_usercopy+0x1a/0x20 [ 389.370871][ T3692] _copy_from_user+0x20/0xd0 [ 389.376503][ T3692] kstrtouint_from_user+0xd7/0x2b0 [ 389.382039][ T3692] ? kstrtol_from_user+0x310/0x310 [ 389.387260][ T3692] ? snprintf+0xd6/0x120 [ 389.391703][ T3692] ? avc_policy_seqno+0x1b/0x70 [ 389.397885][ T3692] ? selinux_file_permission+0x2a9/0x520 [ 389.403914][ T3692] proc_fail_nth_write+0xa5/0x290 [ 389.409130][ T3692] ? security_file_permission+0x9d/0xc0 [ 389.414767][ T3692] ? proc_fail_nth_read+0x220/0x220 [ 389.420040][ T3692] ? security_file_permission+0xa8/0xc0 [ 389.425937][ T3692] ? rw_verify_area+0x1c2/0x360 [ 389.431203][ T3692] ? proc_fail_nth_read+0x220/0x220 [ 389.436764][ T3692] vfs_write+0x39b/0xf80 [ 389.441178][ T3692] ? kernel_write+0x420/0x420 [ 389.446010][ T3692] ? __kasan_check_write+0x14/0x20 [ 389.451109][ T3692] ? mutex_lock+0xb2/0x1e0 [ 389.455560][ T3692] ? mutex_trylock+0x180/0x180 [ 389.460535][ T3692] ? __fdget_pos+0x26d/0x310 [ 389.465250][ T3692] ? ksys_write+0x77/0x2c0 [ 389.469657][ T3692] ksys_write+0x198/0x2c0 [ 389.473974][ T3692] ? __ia32_sys_read+0x90/0x90 [ 389.478908][ T3692] ? debug_smp_processor_id+0x17/0x20 [ 389.484445][ T3692] __x64_sys_write+0x7b/0x90 [ 389.489112][ T3692] do_syscall_64+0x34/0x70 [ 389.493525][ T3692] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 389.499420][ T3692] RIP: 0033:0x7f6ebe0d0b5f [ 389.503912][ T3692] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 389.524462][ T3692] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 389.533090][ T3692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 389.541574][ T3692] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 389.549896][ T3692] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 389.557957][ T3692] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 389.566039][ T3692] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 389.574274][ T3690] CPU: 0 PID: 3690 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 389.584726][ T3690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 389.595576][ T3690] Call Trace: [ 389.598958][ T3690] dump_stack_lvl+0x1e2/0x24b [ 389.603707][ T3690] ? bfq_pos_tree_add_move+0x43e/0x43e [ 389.609156][ T3690] ? vsnprintf+0x1fa/0x1cd0 [ 389.614763][ T3690] dump_stack+0x15/0x17 [ 389.618914][ T3690] should_fail+0x3c0/0x510 [ 389.624297][ T3690] should_fail_usercopy+0x1a/0x20 [ 389.629746][ T3690] _copy_from_user+0x20/0xd0 [ 389.634677][ T3690] kstrtouint_from_user+0xd7/0x2b0 [ 389.640135][ T3690] ? kstrtol_from_user+0x310/0x310 [ 389.645410][ T3690] ? snprintf+0xd6/0x120 [ 389.649978][ T3690] ? avc_policy_seqno+0x1b/0x70 [ 389.655262][ T3690] ? selinux_file_permission+0x2a9/0x520 [ 389.660955][ T3690] proc_fail_nth_write+0xa5/0x290 [ 389.667116][ T3690] ? security_file_permission+0x9d/0xc0 [ 389.673273][ T3690] ? proc_fail_nth_read+0x220/0x220 [ 389.678812][ T3690] ? security_file_permission+0xa8/0xc0 [ 389.684771][ T3690] ? rw_verify_area+0x1c2/0x360 [ 389.689700][ T3690] ? proc_fail_nth_read+0x220/0x220 [ 389.695414][ T3690] vfs_write+0x39b/0xf80 [ 389.700249][ T3690] ? kernel_write+0x420/0x420 [ 389.705499][ T3690] ? __kasan_check_write+0x14/0x20 [ 389.712197][ T3690] ? mutex_lock+0xb2/0x1e0 [ 389.717587][ T3690] ? mutex_trylock+0x180/0x180 [ 389.722950][ T3690] ? __fdget_pos+0x26d/0x310 [ 389.728047][ T3690] ? ksys_write+0x77/0x2c0 [ 389.732532][ T3690] ksys_write+0x198/0x2c0 [ 389.737274][ T3690] ? __kasan_check_write+0x14/0x20 [ 389.742362][ T3690] ? __ia32_sys_read+0x90/0x90 [ 389.747125][ T3690] ? debug_smp_processor_id+0x17/0x20 [ 389.752579][ T3690] __x64_sys_write+0x7b/0x90 [ 389.757263][ T3690] do_syscall_64+0x34/0x70 [ 389.761665][ T3690] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 389.767944][ T3690] RIP: 0033:0x7f869ba6eb5f [ 389.772372][ T3690] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 389.792936][ T3690] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 389.801351][ T3690] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 389.809307][ T3690] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 389.817692][ T3690] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 389.825986][ T3690] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 389.834195][ T3690] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 389.851871][ T3696] CPU: 0 PID: 3696 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 389.862349][ T3696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 389.872701][ T3696] Call Trace: [ 389.877365][ T3696] dump_stack_lvl+0x1e2/0x24b [ 389.882152][ T3696] ? panic+0x7d7/0x7d7 [ 389.886507][ T3696] ? bfq_pos_tree_add_move+0x43e/0x43e [ 389.892213][ T3696] ? find_next_bit+0xd6/0x120 [ 389.896900][ T3696] ? cpumask_next+0x11/0x30 [ 389.902136][ T3696] dump_stack+0x15/0x17 [ 389.906713][ T3696] should_fail+0x3c0/0x510 [ 389.911827][ T3696] ? percpu_ref_init+0xd0/0x340 [ 389.917729][ T3696] __should_failslab+0x9f/0xe0 [ 389.922662][ T3696] should_failslab+0x9/0x20 [ 389.927241][ T3696] kmem_cache_alloc_trace+0x3a/0x330 [ 389.932526][ T3696] percpu_ref_init+0xd0/0x340 [ 389.937562][ T3696] ? cgroup_setup_root+0xea0/0xea0 [ 389.943597][ T3696] cgroup_apply_control_enable+0x3a2/0x12f0 [ 389.949761][ T3696] ? cgroup_reconfigure+0xe0/0xe0 [ 389.956609][ T3696] cgroup_apply_control+0x8e/0x7e0 [ 389.961797][ T3696] ? css_next_child+0x160/0x160 [ 389.966725][ T3696] ? io_schedule+0x120/0x120 [ 389.971485][ T3696] ? kernfs_fop_write_iter+0x15e/0x410 [ 389.977316][ T3696] ? __kasan_check_write+0x14/0x20 [ 389.982621][ T3696] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 389.988021][ T3696] cgroup_subtree_control_write+0xd19/0x1310 [ 389.994669][ T3696] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 390.001438][ T3696] ? __kasan_check_write+0x14/0x20 [ 390.006968][ T3696] ? _copy_from_iter+0x3fb/0xd60 [ 390.012629][ T3696] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 390.019057][ T3696] cgroup_file_write+0x28e/0x590 [ 390.025494][ T3696] ? cgroup_seqfile_stop+0xc0/0xc0 [ 390.031032][ T3696] ? mutex_trylock+0x180/0x180 [ 390.036114][ T3696] ? __kasan_check_write+0x14/0x20 [ 390.041410][ T3696] kernfs_fop_write_iter+0x2d0/0x410 [ 390.047417][ T3696] ? cgroup_seqfile_stop+0xc0/0xc0 [ 390.052897][ T3696] vfs_write+0xc4a/0xf80 [ 390.057416][ T3696] ? kernel_write+0x420/0x420 [ 390.062341][ T3696] ? mutex_lock+0xb2/0x1e0 [ 390.067127][ T3696] ? mutex_trylock+0x180/0x180 [ 390.072008][ T3696] ? __fdget_pos+0x26d/0x310 [ 390.077386][ T3696] ? ksys_write+0x77/0x2c0 [ 390.082802][ T3696] ksys_write+0x198/0x2c0 [ 390.087471][ T3696] ? __ia32_sys_read+0x90/0x90 [ 390.092928][ T3696] ? debug_smp_processor_id+0x17/0x20 [ 390.098406][ T3696] __x64_sys_write+0x7b/0x90 [ 390.102985][ T3696] do_syscall_64+0x34/0x70 [ 390.107962][ T3696] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 390.114334][ T3696] RIP: 0033:0x7f85191c4049 [ 390.119384][ T3696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 390.140395][ T3696] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 390.149601][ T3696] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 390.157993][ T3696] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 390.166191][ T3696] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 390.177322][ T3696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 390.185501][ T3696] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 390.197048][ T3700] FAULT_INJECTION: forcing a failure. [ 390.197048][ T3700] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 390.203462][ T3702] FAULT_INJECTION: forcing a failure. [ 390.203462][ T3702] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 390.212874][ T3700] CPU: 0 PID: 3700 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 390.224489][ T3704] FAULT_INJECTION: forcing a failure. [ 390.224489][ T3704] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 390.235258][ T3700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 390.235262][ T3700] Call Trace: [ 390.235280][ T3700] dump_stack_lvl+0x1e2/0x24b [ 390.235291][ T3700] ? bfq_pos_tree_add_move+0x43e/0x43e [ 390.235300][ T3700] ? vsnprintf+0x1fa/0x1cd0 [ 390.235311][ T3700] dump_stack+0x15/0x17 [ 390.235321][ T3700] should_fail+0x3c0/0x510 [ 390.235331][ T3700] should_fail_usercopy+0x1a/0x20 [ 390.235342][ T3700] _copy_from_user+0x20/0xd0 [ 390.235351][ T3700] kstrtouint_from_user+0xd7/0x2b0 [ 390.235367][ T3700] ? kstrtol_from_user+0x310/0x310 [ 390.310550][ T3700] ? snprintf+0xd6/0x120 [ 390.315053][ T3700] ? avc_policy_seqno+0x1b/0x70 [ 390.319990][ T3700] ? selinux_file_permission+0x2a9/0x520 [ 390.326179][ T3700] proc_fail_nth_write+0xa5/0x290 [ 390.331712][ T3700] ? security_file_permission+0x9d/0xc0 [ 390.337269][ T3700] ? proc_fail_nth_read+0x220/0x220 [ 390.342804][ T3700] ? security_file_permission+0xa8/0xc0 [ 390.348599][ T3700] ? rw_verify_area+0x1c2/0x360 [ 390.353590][ T3700] ? proc_fail_nth_read+0x220/0x220 [ 390.358796][ T3700] vfs_write+0x39b/0xf80 [ 390.363024][ T3700] ? kernel_write+0x420/0x420 [ 390.367739][ T3700] ? __kasan_check_write+0x14/0x20 [ 390.373376][ T3700] ? mutex_lock+0xb2/0x1e0 [ 390.378332][ T3700] ? mutex_trylock+0x180/0x180 [ 390.383720][ T3700] ? __fdget_pos+0x26d/0x310 [ 390.389055][ T3700] ? ksys_write+0x77/0x2c0 [ 390.393648][ T3700] ksys_write+0x198/0x2c0 [ 390.398597][ T3700] ? __kasan_check_write+0x14/0x20 [ 390.404518][ T3700] ? __ia32_sys_read+0x90/0x90 [ 390.409636][ T3700] ? debug_smp_processor_id+0x17/0x20 [ 390.416114][ T3700] __x64_sys_write+0x7b/0x90 [ 390.421480][ T3700] do_syscall_64+0x34/0x70 [ 390.426091][ T3700] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 390.433345][ T3700] RIP: 0033:0x7f022ab05b5f [ 390.437964][ T3700] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 390.458279][ T3700] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 390.467459][ T3700] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 390.476304][ T3700] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 2022/08/30 17:02:11 executed programs: 1476 [ 390.484432][ T3700] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 390.492661][ T3700] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 390.501129][ T3700] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 390.509826][ T3702] CPU: 1 PID: 3702 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 390.520956][ T3702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 390.531600][ T3702] Call Trace: [ 390.534955][ T3702] dump_stack_lvl+0x1e2/0x24b [ 390.539725][ T3702] ? bfq_pos_tree_add_move+0x43e/0x43e [ 390.545599][ T3702] ? vsnprintf+0x1fa/0x1cd0 [ 390.550169][ T3702] dump_stack+0x15/0x17 [ 390.554474][ T3702] should_fail+0x3c0/0x510 [ 390.558956][ T3702] should_fail_usercopy+0x1a/0x20 [ 390.562701][ T3711] FAULT_INJECTION: forcing a failure. [ 390.562701][ T3711] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 390.564053][ T3702] _copy_from_user+0x20/0xd0 [ 390.564071][ T3702] kstrtouint_from_user+0xd7/0x2b0 [ 390.578469][ T3712] FAULT_INJECTION: forcing a failure. [ 390.578469][ T3712] name failslab, interval 1, probability 0, space 0, times 0 [ 390.582354][ T3702] ? kstrtol_from_user+0x310/0x310 [ 390.605677][ T3702] ? snprintf+0xd6/0x120 [ 390.610109][ T3702] ? avc_policy_seqno+0x1b/0x70 [ 390.615038][ T3702] ? selinux_file_permission+0x2a9/0x520 [ 390.620652][ T3702] proc_fail_nth_write+0xa5/0x290 [ 390.625748][ T3702] ? security_file_permission+0x9d/0xc0 [ 390.631621][ T3702] ? proc_fail_nth_read+0x220/0x220 [ 390.636798][ T3702] ? security_file_permission+0xa8/0xc0 [ 390.642574][ T3702] ? rw_verify_area+0x1c2/0x360 [ 390.647670][ T3702] ? proc_fail_nth_read+0x220/0x220 [ 390.652934][ T3702] vfs_write+0x39b/0xf80 [ 390.657591][ T3702] ? kernel_write+0x420/0x420 [ 390.662252][ T3702] ? __kasan_check_write+0x14/0x20 [ 390.667347][ T3702] ? mutex_lock+0xb2/0x1e0 [ 390.671769][ T3702] ? mutex_trylock+0x180/0x180 [ 390.676603][ T3702] ? __fdget_pos+0x26d/0x310 [ 390.681294][ T3702] ? ksys_write+0x77/0x2c0 [ 390.685706][ T3702] ksys_write+0x198/0x2c0 [ 390.690019][ T3702] ? __kasan_check_write+0x14/0x20 [ 390.695295][ T3702] ? __ia32_sys_read+0x90/0x90 [ 390.700042][ T3702] ? debug_smp_processor_id+0x17/0x20 [ 390.705660][ T3702] __x64_sys_write+0x7b/0x90 [ 390.710521][ T3702] do_syscall_64+0x34/0x70 [ 390.714918][ T3702] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 390.721274][ T3702] RIP: 0033:0x7f6ebe0d0b5f [ 390.726814][ T3702] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 390.746664][ T3702] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 390.755260][ T3702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 390.763321][ T3702] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 390.771280][ T3702] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 390.779579][ T3702] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 390.787640][ T3702] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 390.795689][ T3712] CPU: 0 PID: 3712 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 390.806271][ T3712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 390.817053][ T3712] Call Trace: [ 390.820371][ T3712] dump_stack_lvl+0x1e2/0x24b [ 390.825220][ T3712] ? panic+0x7d7/0x7d7 [ 390.829562][ T3712] ? bfq_pos_tree_add_move+0x43e/0x43e [ 390.835198][ T3712] ? find_next_bit+0xd6/0x120 [ 390.840955][ T3712] ? cpumask_next+0x11/0x30 [ 390.845526][ T3712] dump_stack+0x15/0x17 [ 390.849682][ T3712] should_fail+0x3c0/0x510 [ 390.854084][ T3712] ? percpu_ref_init+0xd0/0x340 [ 390.858931][ T3712] __should_failslab+0x9f/0xe0 [ 390.863702][ T3712] should_failslab+0x9/0x20 [ 390.868450][ T3712] kmem_cache_alloc_trace+0x3a/0x330 [ 390.873808][ T3712] percpu_ref_init+0xd0/0x340 [ 390.878472][ T3712] ? cgroup_setup_root+0xea0/0xea0 [ 390.883658][ T3712] cgroup_apply_control_enable+0x3a2/0x12f0 [ 390.889788][ T3712] ? cgroup_reconfigure+0xe0/0xe0 [ 390.896131][ T3712] cgroup_apply_control+0x8e/0x7e0 [ 390.902067][ T3712] ? css_next_child+0x160/0x160 [ 390.907263][ T3712] ? io_schedule+0x120/0x120 [ 390.911844][ T3712] ? kernfs_fop_write_iter+0x15e/0x410 [ 390.917477][ T3712] ? __kasan_check_write+0x14/0x20 [ 390.922588][ T3712] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 390.928029][ T3712] cgroup_subtree_control_write+0xd19/0x1310 [ 390.934195][ T3712] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 390.940491][ T3712] ? __kasan_check_write+0x14/0x20 [ 390.945882][ T3712] ? _copy_from_iter+0x3fb/0xd60 [ 390.951083][ T3712] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 390.957463][ T3712] cgroup_file_write+0x28e/0x590 [ 390.962589][ T3712] ? cgroup_seqfile_stop+0xc0/0xc0 [ 390.967788][ T3712] ? mutex_trylock+0x180/0x180 [ 390.972723][ T3712] ? __kasan_check_write+0x14/0x20 [ 390.977825][ T3712] kernfs_fop_write_iter+0x2d0/0x410 [ 390.983366][ T3712] ? cgroup_seqfile_stop+0xc0/0xc0 [ 390.988824][ T3712] vfs_write+0xc4a/0xf80 [ 390.993347][ T3712] ? kernel_write+0x420/0x420 [ 390.998115][ T3712] ? mutex_lock+0xb2/0x1e0 [ 391.002532][ T3712] ? mutex_trylock+0x180/0x180 [ 391.007490][ T3712] ? __fdget_pos+0x26d/0x310 [ 391.012169][ T3712] ? ksys_write+0x77/0x2c0 [ 391.016765][ T3712] ksys_write+0x198/0x2c0 [ 391.021096][ T3712] ? __ia32_sys_read+0x90/0x90 [ 391.025870][ T3712] ? debug_smp_processor_id+0x17/0x20 [ 391.031499][ T3712] __x64_sys_write+0x7b/0x90 [ 391.036093][ T3712] do_syscall_64+0x34/0x70 [ 391.040497][ T3712] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 391.046637][ T3712] RIP: 0033:0x7f85191c4049 [ 391.051128][ T3712] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 391.071429][ T3712] RSP: 002b:00007f8519119168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 391.079832][ T3712] RAX: ffffffffffffffda RBX: 00007f85192d7030 RCX: 00007f85191c4049 [ 391.087976][ T3712] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 391.096287][ T3712] RBP: 00007f85191191d0 R08: 0000000000000000 R09: 0000000000000000 [ 391.104445][ T3712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 391.112904][ T3712] R13: 00007ffd0d50551f R14: 00007f8519119300 R15: 0000000000022000 [ 391.120958][ T3704] CPU: 1 PID: 3704 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 391.131384][ T3704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 391.141518][ T3704] Call Trace: [ 391.144995][ T3704] dump_stack_lvl+0x1e2/0x24b [ 391.149956][ T3704] ? bfq_pos_tree_add_move+0x43e/0x43e [ 391.155504][ T3704] ? vsnprintf+0x1fa/0x1cd0 [ 391.160513][ T3704] dump_stack+0x15/0x17 [ 391.164646][ T3704] should_fail+0x3c0/0x510 [ 391.169232][ T3704] should_fail_usercopy+0x1a/0x20 [ 391.174594][ T3704] _copy_from_user+0x20/0xd0 [ 391.179364][ T3704] kstrtouint_from_user+0xd7/0x2b0 [ 391.184674][ T3704] ? kstrtol_from_user+0x310/0x310 [ 391.190023][ T3704] ? snprintf+0xd6/0x120 [ 391.194445][ T3704] ? avc_policy_seqno+0x1b/0x70 [ 391.200158][ T3704] ? selinux_file_permission+0x2a9/0x520 [ 391.205863][ T3704] proc_fail_nth_write+0xa5/0x290 [ 391.211078][ T3704] ? security_file_permission+0x9d/0xc0 [ 391.216688][ T3704] ? proc_fail_nth_read+0x220/0x220 [ 391.221877][ T3704] ? security_file_permission+0xa8/0xc0 [ 391.227573][ T3704] ? rw_verify_area+0x1c2/0x360 [ 391.232399][ T3704] ? proc_fail_nth_read+0x220/0x220 [ 391.237672][ T3704] vfs_write+0x39b/0xf80 [ 391.241985][ T3704] ? kernel_write+0x420/0x420 [ 391.246637][ T3704] ? __kasan_check_write+0x14/0x20 [ 391.251833][ T3704] ? mutex_lock+0xb2/0x1e0 [ 391.256248][ T3704] ? mutex_trylock+0x180/0x180 [ 391.261005][ T3704] ? __fdget_pos+0x26d/0x310 [ 391.265782][ T3704] ? ksys_write+0x77/0x2c0 [ 391.270350][ T3704] ksys_write+0x198/0x2c0 [ 391.274792][ T3704] ? __kasan_check_write+0x14/0x20 [ 391.279892][ T3704] ? __ia32_sys_read+0x90/0x90 [ 391.284630][ T3704] ? debug_smp_processor_id+0x17/0x20 [ 391.290205][ T3704] __x64_sys_write+0x7b/0x90 [ 391.294889][ T3704] do_syscall_64+0x34/0x70 [ 391.299482][ T3704] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 391.305647][ T3704] RIP: 0033:0x7f869ba6eb5f [ 391.310045][ T3704] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 391.330435][ T3704] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 391.339364][ T3704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 391.347349][ T3704] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 391.355769][ T3704] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 391.363757][ T3704] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 391.372102][ T3704] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 391.382193][ T3711] CPU: 1 PID: 3711 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 391.392648][ T3711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 391.403157][ T3711] Call Trace: [ 391.406448][ T3711] dump_stack_lvl+0x1e2/0x24b [ 391.411102][ T3711] ? bfq_pos_tree_add_move+0x43e/0x43e [ 391.416629][ T3711] ? vsnprintf+0x1fa/0x1cd0 [ 391.421402][ T3711] dump_stack+0x15/0x17 [ 391.425533][ T3711] should_fail+0x3c0/0x510 [ 391.429960][ T3711] should_fail_usercopy+0x1a/0x20 [ 391.435424][ T3711] _copy_from_user+0x20/0xd0 [ 391.439986][ T3711] kstrtouint_from_user+0xd7/0x2b0 [ 391.445074][ T3711] ? kstrtol_from_user+0x310/0x310 [ 391.450166][ T3711] ? snprintf+0xd6/0x120 [ 391.454477][ T3711] ? avc_policy_seqno+0x1b/0x70 [ 391.459655][ T3711] ? selinux_file_permission+0x2a9/0x520 [ 391.465348][ T3711] proc_fail_nth_write+0xa5/0x290 [ 391.470346][ T3711] ? security_file_permission+0x9d/0xc0 [ 391.475957][ T3711] ? proc_fail_nth_read+0x220/0x220 [ 391.481139][ T3711] ? security_file_permission+0xa8/0xc0 [ 391.486746][ T3711] ? rw_verify_area+0x1c2/0x360 [ 391.491674][ T3711] ? proc_fail_nth_read+0x220/0x220 [ 391.496943][ T3711] vfs_write+0x39b/0xf80 [ 391.501170][ T3711] ? kernel_write+0x420/0x420 [ 391.505907][ T3711] ? __kasan_check_write+0x14/0x20 [ 391.511077][ T3711] ? mutex_lock+0xb2/0x1e0 [ 391.515470][ T3711] ? mutex_trylock+0x180/0x180 [ 391.520209][ T3711] ? __fdget_pos+0x26d/0x310 [ 391.524945][ T3711] ? ksys_write+0x77/0x2c0 [ 391.529524][ T3711] ksys_write+0x198/0x2c0 [ 391.533845][ T3711] ? __ia32_sys_read+0x90/0x90 [ 391.538592][ T3711] ? debug_smp_processor_id+0x17/0x20 [ 391.543952][ T3711] __x64_sys_write+0x7b/0x90 [ 391.548692][ T3711] do_syscall_64+0x34/0x70 [ 391.553208][ T3711] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 391.560744][ T3711] RIP: 0033:0x7f7d1c31ab5f [ 391.565233][ T3711] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 391.585106][ T3711] RSP: 002b:00007f7d1c2bd160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 391.593795][ T3711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 391.601744][ T3711] RDX: 0000000000000001 RSI: 00007f7d1c2bd1e0 RDI: 0000000000000005 [ 391.609906][ T3711] RBP: 00007f7d1c2bd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 391.617962][ T3711] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 391.626087][ T3711] R13: 00007ffe4f8caa2f R14: 00007f7d1c2bd300 R15: 0000000000022000 [ 391.636367][ T3716] FAULT_INJECTION: forcing a failure. [ 391.636367][ T3716] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 391.650256][ T3717] FAULT_INJECTION: forcing a failure. [ 391.650256][ T3717] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 391.653759][ T3719] FAULT_INJECTION: forcing a failure. [ 391.653759][ T3719] name failslab, interval 1, probability 0, space 0, times 0 [ 391.665025][ T3716] CPU: 0 PID: 3716 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 391.686542][ T3716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 391.696664][ T3716] Call Trace: [ 391.699964][ T3716] dump_stack_lvl+0x1e2/0x24b [ 391.704710][ T3716] ? bfq_pos_tree_add_move+0x43e/0x43e [ 391.710324][ T3716] ? vsnprintf+0x1fa/0x1cd0 [ 391.714808][ T3716] dump_stack+0x15/0x17 [ 391.719223][ T3716] should_fail+0x3c0/0x510 [ 391.723713][ T3716] should_fail_usercopy+0x1a/0x20 [ 391.728821][ T3716] _copy_from_user+0x20/0xd0 [ 391.733572][ T3716] kstrtouint_from_user+0xd7/0x2b0 [ 391.738672][ T3716] ? kstrtol_from_user+0x310/0x310 [ 391.744036][ T3716] ? snprintf+0xd6/0x120 [ 391.748553][ T3716] ? avc_policy_seqno+0x1b/0x70 [ 391.753585][ T3716] ? selinux_file_permission+0x2a9/0x520 [ 391.759300][ T3716] proc_fail_nth_write+0xa5/0x290 [ 391.764340][ T3716] ? security_file_permission+0x9d/0xc0 [ 391.769869][ T3716] ? proc_fail_nth_read+0x220/0x220 [ 391.775237][ T3716] ? security_file_permission+0xa8/0xc0 [ 391.780773][ T3716] ? rw_verify_area+0x1c2/0x360 [ 391.785618][ T3716] ? proc_fail_nth_read+0x220/0x220 [ 391.790974][ T3716] vfs_write+0x39b/0xf80 [ 391.795198][ T3716] ? kernel_write+0x420/0x420 [ 391.800661][ T3716] ? __kasan_check_write+0x14/0x20 [ 391.805778][ T3716] ? mutex_lock+0xb2/0x1e0 [ 391.810181][ T3716] ? mutex_trylock+0x180/0x180 [ 391.815101][ T3716] ? __fdget_pos+0x26d/0x310 [ 391.819781][ T3716] ? ksys_write+0x77/0x2c0 [ 391.824270][ T3716] ksys_write+0x198/0x2c0 [ 391.828581][ T3716] ? __kasan_check_write+0x14/0x20 [ 391.833761][ T3716] ? __ia32_sys_read+0x90/0x90 [ 391.838745][ T3716] ? debug_smp_processor_id+0x17/0x20 [ 391.844228][ T3716] __x64_sys_write+0x7b/0x90 [ 391.848894][ T3716] do_syscall_64+0x34/0x70 [ 391.853470][ T3716] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 391.859352][ T3716] RIP: 0033:0x7f6ebe0d0b5f [ 391.863766][ T3716] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 391.884397][ T3716] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 391.892881][ T3716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 391.901024][ T3716] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 391.909799][ T3716] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 391.918213][ T3716] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 391.926618][ T3716] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 391.934856][ T3719] CPU: 1 PID: 3719 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 391.947056][ T3719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 391.957840][ T3719] Call Trace: [ 391.961300][ T3719] dump_stack_lvl+0x1e2/0x24b [ 391.966424][ T3719] ? panic+0x7d7/0x7d7 [ 391.970491][ T3719] ? bfq_pos_tree_add_move+0x43e/0x43e [ 391.975953][ T3719] ? find_next_bit+0xd6/0x120 [ 391.980650][ T3719] ? cpumask_next+0x11/0x30 [ 391.985159][ T3719] dump_stack+0x15/0x17 [ 391.989412][ T3719] should_fail+0x3c0/0x510 [ 391.993931][ T3719] ? percpu_ref_init+0xd0/0x340 [ 391.999023][ T3719] __should_failslab+0x9f/0xe0 [ 392.003869][ T3719] should_failslab+0x9/0x20 [ 392.008539][ T3719] kmem_cache_alloc_trace+0x3a/0x330 [ 392.013818][ T3719] percpu_ref_init+0xd0/0x340 [ 392.018491][ T3719] ? cgroup_setup_root+0xea0/0xea0 [ 392.023582][ T3719] cgroup_apply_control_enable+0x3a2/0x12f0 [ 392.029460][ T3719] ? cgroup_reconfigure+0xe0/0xe0 [ 392.034811][ T3719] cgroup_apply_control+0x8e/0x7e0 [ 392.039902][ T3719] ? css_next_child+0x160/0x160 [ 392.044796][ T3719] ? io_schedule+0x120/0x120 [ 392.049366][ T3719] ? kernfs_fop_write_iter+0x15e/0x410 [ 392.054818][ T3719] ? __kasan_check_write+0x14/0x20 [ 392.060481][ T3719] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 392.065748][ T3719] cgroup_subtree_control_write+0xd19/0x1310 [ 392.071708][ T3719] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 392.078025][ T3719] ? __kasan_check_write+0x14/0x20 [ 392.083117][ T3719] ? _copy_from_iter+0x3fb/0xd60 [ 392.088227][ T3719] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 392.094424][ T3719] cgroup_file_write+0x28e/0x590 [ 392.099754][ T3719] ? cgroup_seqfile_stop+0xc0/0xc0 [ 392.105472][ T3719] ? mutex_trylock+0x180/0x180 [ 392.111045][ T3719] ? __kasan_check_write+0x14/0x20 [ 392.116421][ T3719] kernfs_fop_write_iter+0x2d0/0x410 [ 392.122009][ T3719] ? cgroup_seqfile_stop+0xc0/0xc0 [ 392.127461][ T3719] vfs_write+0xc4a/0xf80 [ 392.131876][ T3719] ? kernel_write+0x420/0x420 [ 392.136712][ T3719] ? mutex_lock+0xb2/0x1e0 [ 392.141707][ T3719] ? mutex_trylock+0x180/0x180 [ 392.146451][ T3719] ? __fdget_pos+0x26d/0x310 [ 392.151017][ T3719] ? ksys_write+0x77/0x2c0 [ 392.155498][ T3719] ksys_write+0x198/0x2c0 [ 392.160073][ T3719] ? __ia32_sys_read+0x90/0x90 [ 392.165088][ T3719] ? debug_smp_processor_id+0x17/0x20 [ 392.170786][ T3719] __x64_sys_write+0x7b/0x90 [ 392.175379][ T3719] do_syscall_64+0x34/0x70 [ 392.179860][ T3719] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 392.185736][ T3719] RIP: 0033:0x7f85191c4049 [ 392.190132][ T3719] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 392.209803][ T3719] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 392.218368][ T3719] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 392.226947][ T3719] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 392.235836][ T3719] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 392.244498][ T3719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 392.253258][ T3719] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 392.265322][ T3717] CPU: 0 PID: 3717 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 392.279310][ T3717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 392.280961][ T3722] FAULT_INJECTION: forcing a failure. [ 392.280961][ T3722] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.289547][ T3717] Call Trace: [ 392.289571][ T3717] dump_stack_lvl+0x1e2/0x24b [ 392.289581][ T3717] ? bfq_pos_tree_add_move+0x43e/0x43e [ 392.289591][ T3717] ? vsnprintf+0x1fa/0x1cd0 [ 392.289607][ T3717] dump_stack+0x15/0x17 [ 392.289615][ T3717] should_fail+0x3c0/0x510 [ 392.289624][ T3717] should_fail_usercopy+0x1a/0x20 [ 392.289644][ T3717] _copy_from_user+0x20/0xd0 [ 392.303227][ T3724] FAULT_INJECTION: forcing a failure. [ 392.303227][ T3724] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.306639][ T3717] kstrtouint_from_user+0xd7/0x2b0 [ 392.306649][ T3717] ? kstrtol_from_user+0x310/0x310 [ 392.306665][ T3717] ? snprintf+0xd6/0x120 [ 392.311476][ T3726] FAULT_INJECTION: forcing a failure. [ 392.311476][ T3726] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 392.317401][ T3717] ? avc_policy_seqno+0x1b/0x70 [ 392.317410][ T3717] ? selinux_file_permission+0x2a9/0x520 [ 392.317420][ T3717] proc_fail_nth_write+0xa5/0x290 [ 392.317435][ T3717] ? security_file_permission+0x9d/0xc0 [ 392.347963][ T3728] FAULT_INJECTION: forcing a failure. [ 392.347963][ T3728] name failslab, interval 1, probability 0, space 0, times 0 [ 392.354984][ T3717] ? proc_fail_nth_read+0x220/0x220 [ 392.354994][ T3717] ? security_file_permission+0xa8/0xc0 [ 392.355004][ T3717] ? rw_verify_area+0x1c2/0x360 [ 392.355012][ T3717] ? proc_fail_nth_read+0x220/0x220 [ 392.355029][ T3717] vfs_write+0x39b/0xf80 [ 392.446443][ T3717] ? kernel_write+0x420/0x420 [ 392.451319][ T3717] ? __kasan_check_write+0x14/0x20 [ 392.457022][ T3717] ? mutex_lock+0xb2/0x1e0 [ 392.461424][ T3717] ? mutex_trylock+0x180/0x180 [ 392.466408][ T3717] ? __fdget_pos+0x26d/0x310 [ 392.471303][ T3717] ? ksys_write+0x77/0x2c0 [ 392.476146][ T3717] ksys_write+0x198/0x2c0 [ 392.480664][ T3717] ? __kasan_check_write+0x14/0x20 [ 392.486661][ T3717] ? __ia32_sys_read+0x90/0x90 [ 392.491810][ T3717] ? debug_smp_processor_id+0x17/0x20 [ 392.497393][ T3717] __x64_sys_write+0x7b/0x90 [ 392.502243][ T3717] do_syscall_64+0x34/0x70 [ 392.506833][ T3717] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 392.512972][ T3717] RIP: 0033:0x7f022ab05b5f [ 392.517586][ T3717] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 392.539172][ T3717] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 392.548399][ T3717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 392.556981][ T3717] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 392.565109][ T3717] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 392.573692][ T3717] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 392.582300][ T3717] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 392.590270][ T3722] CPU: 1 PID: 3722 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 392.600690][ T3722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 392.611906][ T3722] Call Trace: [ 392.615241][ T3722] dump_stack_lvl+0x1e2/0x24b [ 392.619991][ T3722] ? bfq_pos_tree_add_move+0x43e/0x43e [ 392.625508][ T3722] ? vsnprintf+0x1fa/0x1cd0 [ 392.630183][ T3722] dump_stack+0x15/0x17 [ 392.634380][ T3722] should_fail+0x3c0/0x510 [ 392.638819][ T3722] should_fail_usercopy+0x1a/0x20 [ 392.643908][ T3722] _copy_from_user+0x20/0xd0 [ 392.648896][ T3722] kstrtouint_from_user+0xd7/0x2b0 [ 392.654489][ T3722] ? kstrtol_from_user+0x310/0x310 [ 392.659786][ T3722] ? snprintf+0xd6/0x120 [ 392.664182][ T3722] ? avc_policy_seqno+0x1b/0x70 [ 392.669117][ T3722] ? selinux_file_permission+0x2a9/0x520 [ 392.674810][ T3722] proc_fail_nth_write+0xa5/0x290 [ 392.679987][ T3722] ? security_file_permission+0x9d/0xc0 [ 392.686202][ T3722] ? proc_fail_nth_read+0x220/0x220 [ 392.691664][ T3722] ? security_file_permission+0xa8/0xc0 [ 392.697203][ T3722] ? rw_verify_area+0x1c2/0x360 [ 392.702304][ T3722] ? proc_fail_nth_read+0x220/0x220 [ 392.707567][ T3722] vfs_write+0x39b/0xf80 [ 392.711807][ T3722] ? kernel_write+0x420/0x420 [ 392.716992][ T3722] ? __kasan_check_write+0x14/0x20 [ 392.722374][ T3722] ? mutex_lock+0xb2/0x1e0 [ 392.726770][ T3722] ? mutex_trylock+0x180/0x180 [ 392.731699][ T3722] ? __fdget_pos+0x26d/0x310 [ 392.736439][ T3722] ? ksys_write+0x77/0x2c0 [ 392.741732][ T3722] ksys_write+0x198/0x2c0 [ 392.746386][ T3722] ? __kasan_check_write+0x14/0x20 [ 392.751759][ T3722] ? __ia32_sys_read+0x90/0x90 [ 392.756683][ T3722] ? debug_smp_processor_id+0x17/0x20 [ 392.762116][ T3722] __x64_sys_write+0x7b/0x90 [ 392.766780][ T3722] do_syscall_64+0x34/0x70 [ 392.771575][ T3722] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 392.778152][ T3722] RIP: 0033:0x7faa22393b5f [ 392.783085][ T3722] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 392.803800][ T3722] RSP: 002b:00007faa22336160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 392.812837][ T3722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 392.821085][ T3722] RDX: 0000000000000001 RSI: 00007faa223361e0 RDI: 0000000000000005 [ 392.829577][ T3722] RBP: 00007faa223361d0 R08: 0000000000000000 R09: 0000000000000000 [ 392.838003][ T3722] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 392.847366][ T3722] R13: 00007ffee5f44ccf R14: 00007faa22336300 R15: 0000000000022000 [ 392.870497][ T3724] CPU: 0 PID: 3724 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 392.881541][ T3724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 392.891678][ T3724] Call Trace: [ 392.895044][ T3724] dump_stack_lvl+0x1e2/0x24b [ 392.899706][ T3724] ? bfq_pos_tree_add_move+0x43e/0x43e [ 392.905169][ T3724] ? vsnprintf+0x1fa/0x1cd0 [ 392.909860][ T3724] dump_stack+0x15/0x17 [ 392.914283][ T3724] should_fail+0x3c0/0x510 [ 392.918766][ T3724] should_fail_usercopy+0x1a/0x20 [ 392.924064][ T3724] _copy_from_user+0x20/0xd0 [ 392.928989][ T3724] kstrtouint_from_user+0xd7/0x2b0 [ 392.934450][ T3724] ? kstrtol_from_user+0x310/0x310 [ 392.939722][ T3724] ? snprintf+0xd6/0x120 [ 392.943949][ T3724] ? avc_policy_seqno+0x1b/0x70 [ 392.949237][ T3724] ? selinux_file_permission+0x2a9/0x520 [ 392.955024][ T3724] proc_fail_nth_write+0xa5/0x290 [ 392.960293][ T3724] ? security_file_permission+0x9d/0xc0 [ 392.965997][ T3724] ? proc_fail_nth_read+0x220/0x220 [ 392.971386][ T3724] ? security_file_permission+0xa8/0xc0 [ 392.977004][ T3724] ? rw_verify_area+0x1c2/0x360 [ 392.982426][ T3724] ? proc_fail_nth_read+0x220/0x220 [ 392.988593][ T3724] vfs_write+0x39b/0xf80 [ 392.992960][ T3724] ? kernel_write+0x420/0x420 [ 392.997635][ T3724] ? __kasan_check_write+0x14/0x20 [ 393.002817][ T3724] ? mutex_lock+0xb2/0x1e0 [ 393.007227][ T3724] ? mutex_trylock+0x180/0x180 [ 393.012162][ T3724] ? __fdget_pos+0x26d/0x310 [ 393.016751][ T3724] ? ksys_write+0x77/0x2c0 [ 393.021150][ T3724] ksys_write+0x198/0x2c0 [ 393.025477][ T3724] ? __kasan_check_write+0x14/0x20 [ 393.030589][ T3724] ? __ia32_sys_read+0x90/0x90 [ 393.035426][ T3724] ? debug_smp_processor_id+0x17/0x20 [ 393.040779][ T3724] __x64_sys_write+0x7b/0x90 [ 393.045462][ T3724] do_syscall_64+0x34/0x70 [ 393.050330][ T3724] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 393.056827][ T3724] RIP: 0033:0x7f7d1c31ab5f [ 393.061362][ T3724] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 393.081953][ T3724] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 393.090626][ T3724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 393.099025][ T3724] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 393.107473][ T3724] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 393.115460][ T3724] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 393.123556][ T3724] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 393.131633][ T3728] CPU: 1 PID: 3728 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 393.142232][ T3728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 393.152382][ T3728] Call Trace: [ 393.155662][ T3728] dump_stack_lvl+0x1e2/0x24b [ 393.160667][ T3728] ? panic+0x7d7/0x7d7 [ 393.164812][ T3728] ? bfq_pos_tree_add_move+0x43e/0x43e [ 393.170439][ T3728] ? find_next_bit+0xd6/0x120 [ 393.175387][ T3728] ? cpumask_next+0x11/0x30 [ 393.179978][ T3728] dump_stack+0x15/0x17 [ 393.184117][ T3728] should_fail+0x3c0/0x510 [ 393.188611][ T3728] ? percpu_ref_init+0xd0/0x340 [ 393.193791][ T3728] __should_failslab+0x9f/0xe0 [ 393.198829][ T3728] should_failslab+0x9/0x20 [ 393.203498][ T3728] kmem_cache_alloc_trace+0x3a/0x330 [ 393.209048][ T3728] percpu_ref_init+0xd0/0x340 [ 393.214088][ T3728] ? cgroup_setup_root+0xea0/0xea0 [ 393.219455][ T3728] cgroup_apply_control_enable+0x3a2/0x12f0 [ 393.225332][ T3728] ? cgroup_reconfigure+0xe0/0xe0 [ 393.230340][ T3728] cgroup_apply_control+0x8e/0x7e0 [ 393.235456][ T3728] ? css_next_child+0x160/0x160 [ 393.240395][ T3728] ? io_schedule+0x120/0x120 [ 393.245151][ T3728] ? kernfs_fop_write_iter+0x15e/0x410 [ 393.251233][ T3728] ? __kasan_check_write+0x14/0x20 [ 393.256333][ T3728] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 393.261607][ T3728] cgroup_subtree_control_write+0xd19/0x1310 [ 393.267828][ T3728] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 393.273896][ T3728] ? __kasan_check_write+0x14/0x20 [ 393.279263][ T3728] ? _copy_from_iter+0x3fb/0xd60 [ 393.284475][ T3728] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 393.290873][ T3728] cgroup_file_write+0x28e/0x590 [ 393.296209][ T3728] ? cgroup_seqfile_stop+0xc0/0xc0 [ 393.301496][ T3728] ? mutex_trylock+0x180/0x180 [ 393.306338][ T3728] ? __kasan_check_write+0x14/0x20 [ 393.311522][ T3728] kernfs_fop_write_iter+0x2d0/0x410 [ 393.316918][ T3728] ? cgroup_seqfile_stop+0xc0/0xc0 [ 393.322546][ T3728] vfs_write+0xc4a/0xf80 [ 393.326900][ T3728] ? kernel_write+0x420/0x420 [ 393.331671][ T3728] ? mutex_lock+0xb2/0x1e0 [ 393.336074][ T3728] ? mutex_trylock+0x180/0x180 [ 393.340848][ T3728] ? __fdget_pos+0x26d/0x310 [ 393.345460][ T3728] ? ksys_write+0x77/0x2c0 [ 393.350014][ T3728] ksys_write+0x198/0x2c0 [ 393.354453][ T3728] ? __ia32_sys_read+0x90/0x90 [ 393.359209][ T3728] ? debug_smp_processor_id+0x17/0x20 [ 393.365193][ T3728] __x64_sys_write+0x7b/0x90 [ 393.370139][ T3728] do_syscall_64+0x34/0x70 [ 393.374622][ T3728] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 393.381071][ T3728] RIP: 0033:0x7f85191c4049 [ 393.385868][ T3728] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 393.406132][ T3728] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 393.414735][ T3728] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 393.422686][ T3728] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 393.431420][ T3728] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 393.439434][ T3728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 393.448629][ T3728] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 393.459975][ T3730] FAULT_INJECTION: forcing a failure. [ 393.459975][ T3730] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 393.461202][ T3726] CPU: 1 PID: 3726 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 393.474009][ T3732] FAULT_INJECTION: forcing a failure. [ 393.474009][ T3732] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 393.484193][ T3726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 393.484199][ T3726] Call Trace: [ 393.484220][ T3726] dump_stack_lvl+0x1e2/0x24b [ 393.484231][ T3726] ? bfq_pos_tree_add_move+0x43e/0x43e [ 393.484239][ T3726] ? vsnprintf+0x1fa/0x1cd0 [ 393.484258][ T3726] dump_stack+0x15/0x17 [ 393.497821][ T3735] FAULT_INJECTION: forcing a failure. [ 393.497821][ T3735] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 393.508094][ T3726] should_fail+0x3c0/0x510 [ 393.508104][ T3726] should_fail_usercopy+0x1a/0x20 [ 393.508114][ T3726] _copy_from_user+0x20/0xd0 [ 393.508131][ T3726] kstrtouint_from_user+0xd7/0x2b0 [ 393.564898][ T3726] ? kstrtol_from_user+0x310/0x310 [ 393.570088][ T3726] ? snprintf+0xd6/0x120 [ 393.574517][ T3726] ? avc_policy_seqno+0x1b/0x70 [ 393.579358][ T3726] ? selinux_file_permission+0x2a9/0x520 [ 393.585012][ T3726] proc_fail_nth_write+0xa5/0x290 [ 393.590045][ T3726] ? security_file_permission+0x9d/0xc0 [ 393.595590][ T3726] ? proc_fail_nth_read+0x220/0x220 [ 393.600772][ T3726] ? security_file_permission+0xa8/0xc0 [ 393.606299][ T3726] ? rw_verify_area+0x1c2/0x360 [ 393.611134][ T3726] ? proc_fail_nth_read+0x220/0x220 [ 393.616323][ T3726] vfs_write+0x39b/0xf80 [ 393.620552][ T3726] ? kernel_write+0x420/0x420 [ 393.625404][ T3726] ? __kasan_check_write+0x14/0x20 [ 393.630520][ T3726] ? mutex_lock+0xb2/0x1e0 [ 393.635008][ T3726] ? mutex_trylock+0x180/0x180 [ 393.639776][ T3726] ? __fdget_pos+0x26d/0x310 [ 393.644360][ T3726] ? ksys_write+0x77/0x2c0 [ 393.648804][ T3726] ksys_write+0x198/0x2c0 [ 393.653117][ T3726] ? __kasan_check_write+0x14/0x20 [ 393.658209][ T3726] ? __ia32_sys_read+0x90/0x90 [ 393.662959][ T3726] ? debug_smp_processor_id+0x17/0x20 [ 393.668695][ T3726] __x64_sys_write+0x7b/0x90 [ 393.673282][ T3726] do_syscall_64+0x34/0x70 [ 393.677772][ T3726] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 393.683850][ T3726] RIP: 0033:0x7f869ba6eb5f [ 393.688426][ T3726] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 393.708296][ T3726] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 393.717193][ T3726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 393.725173][ T3726] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 393.733219][ T3726] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 393.741438][ T3726] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 393.749503][ T3726] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 393.757844][ T3735] CPU: 0 PID: 3735 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 393.768101][ T3737] FAULT_INJECTION: forcing a failure. [ 393.768101][ T3737] name failslab, interval 1, probability 0, space 0, times 0 [ 393.768689][ T3735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 393.792229][ T3735] Call Trace: [ 393.795515][ T3735] dump_stack_lvl+0x1e2/0x24b [ 393.800264][ T3735] ? bfq_pos_tree_add_move+0x43e/0x43e [ 393.805721][ T3735] ? vsnprintf+0x1fa/0x1cd0 [ 393.810554][ T3735] dump_stack+0x15/0x17 [ 393.815511][ T3735] should_fail+0x3c0/0x510 [ 393.820093][ T3735] should_fail_usercopy+0x1a/0x20 [ 393.825264][ T3735] _copy_from_user+0x20/0xd0 [ 393.830289][ T3735] kstrtouint_from_user+0xd7/0x2b0 [ 393.835571][ T3735] ? kstrtol_from_user+0x310/0x310 [ 393.840752][ T3735] ? snprintf+0xd6/0x120 [ 393.845154][ T3735] ? avc_policy_seqno+0x1b/0x70 [ 393.849992][ T3735] ? selinux_file_permission+0x2a9/0x520 [ 393.855788][ T3735] proc_fail_nth_write+0xa5/0x290 [ 393.860810][ T3735] ? security_file_permission+0x9d/0xc0 [ 393.866545][ T3735] ? proc_fail_nth_read+0x220/0x220 [ 393.871727][ T3735] ? security_file_permission+0xa8/0xc0 [ 393.877457][ T3735] ? rw_verify_area+0x1c2/0x360 [ 393.882851][ T3735] ? proc_fail_nth_read+0x220/0x220 [ 393.888397][ T3735] vfs_write+0x39b/0xf80 [ 393.893040][ T3735] ? kernel_write+0x420/0x420 [ 393.897720][ T3735] ? __kasan_check_write+0x14/0x20 [ 393.903209][ T3735] ? mutex_lock+0xb2/0x1e0 [ 393.907616][ T3735] ? mutex_trylock+0x180/0x180 [ 393.912545][ T3735] ? __fdget_pos+0x26d/0x310 [ 393.917242][ T3735] ? ksys_write+0x77/0x2c0 [ 393.921738][ T3735] ksys_write+0x198/0x2c0 [ 393.926195][ T3735] ? __kasan_check_write+0x14/0x20 [ 393.931291][ T3735] ? __ia32_sys_read+0x90/0x90 [ 393.936040][ T3735] ? debug_smp_processor_id+0x17/0x20 [ 393.941480][ T3735] __x64_sys_write+0x7b/0x90 [ 393.946053][ T3735] do_syscall_64+0x34/0x70 [ 393.950557][ T3735] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 393.956739][ T3735] RIP: 0033:0x7faa22393b5f [ 393.961226][ T3735] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 393.981439][ T3735] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 393.993091][ T3735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 394.001045][ T3735] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 394.012228][ T3735] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 394.021581][ T3735] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 394.029556][ T3735] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 394.037717][ T3737] CPU: 1 PID: 3737 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 394.048258][ T3737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 394.058397][ T3737] Call Trace: [ 394.061767][ T3737] dump_stack_lvl+0x1e2/0x24b [ 394.066793][ T3737] ? panic+0x7d7/0x7d7 [ 394.071012][ T3737] ? bfq_pos_tree_add_move+0x43e/0x43e [ 394.076648][ T3737] ? find_next_bit+0xd6/0x120 [ 394.081410][ T3737] ? cpumask_next+0x11/0x30 [ 394.085891][ T3737] dump_stack+0x15/0x17 [ 394.090023][ T3737] should_fail+0x3c0/0x510 [ 394.094502][ T3737] ? percpu_ref_init+0xd0/0x340 [ 394.099328][ T3737] __should_failslab+0x9f/0xe0 [ 394.104067][ T3737] should_failslab+0x9/0x20 [ 394.108649][ T3737] kmem_cache_alloc_trace+0x3a/0x330 [ 394.113931][ T3737] percpu_ref_init+0xd0/0x340 [ 394.118593][ T3737] ? cgroup_setup_root+0xea0/0xea0 [ 394.123776][ T3737] cgroup_apply_control_enable+0x3a2/0x12f0 [ 394.129671][ T3737] ? cgroup_reconfigure+0xe0/0xe0 [ 394.135377][ T3737] cgroup_apply_control+0x8e/0x7e0 [ 394.140988][ T3737] ? css_next_child+0x160/0x160 [ 394.145903][ T3737] ? io_schedule+0x120/0x120 [ 394.150646][ T3737] ? kernfs_fop_write_iter+0x15e/0x410 [ 394.156180][ T3737] ? __kasan_check_write+0x14/0x20 [ 394.161468][ T3737] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 394.167016][ T3737] cgroup_subtree_control_write+0xd19/0x1310 [ 394.173087][ T3737] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 394.179226][ T3737] ? __kasan_check_write+0x14/0x20 [ 394.184488][ T3737] ? _copy_from_iter+0x3fb/0xd60 [ 394.189432][ T3737] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 394.195402][ T3737] cgroup_file_write+0x28e/0x590 [ 394.200333][ T3737] ? cgroup_seqfile_stop+0xc0/0xc0 [ 394.205526][ T3737] ? mutex_trylock+0x180/0x180 [ 394.210440][ T3737] ? __kasan_check_write+0x14/0x20 [ 394.215535][ T3737] kernfs_fop_write_iter+0x2d0/0x410 [ 394.220798][ T3737] ? cgroup_seqfile_stop+0xc0/0xc0 [ 394.226073][ T3737] vfs_write+0xc4a/0xf80 [ 394.230858][ T3737] ? kernel_write+0x420/0x420 [ 394.235888][ T3737] ? mutex_lock+0xb2/0x1e0 [ 394.240472][ T3737] ? mutex_trylock+0x180/0x180 [ 394.245226][ T3737] ? __fdget_pos+0x26d/0x310 [ 394.249906][ T3737] ? ksys_write+0x77/0x2c0 [ 394.254303][ T3737] ksys_write+0x198/0x2c0 [ 394.258799][ T3737] ? __ia32_sys_read+0x90/0x90 [ 394.263633][ T3737] ? debug_smp_processor_id+0x17/0x20 [ 394.269070][ T3737] __x64_sys_write+0x7b/0x90 [ 394.273728][ T3737] do_syscall_64+0x34/0x70 [ 394.278214][ T3737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 394.284455][ T3737] RIP: 0033:0x7f85191c4049 [ 394.289148][ T3737] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 394.310033][ T3737] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 394.318697][ T3737] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 394.326828][ T3737] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 394.335130][ T3737] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 394.343441][ T3737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 394.351914][ T3737] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 394.365904][ T3730] CPU: 1 PID: 3730 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 394.368071][ T3740] FAULT_INJECTION: forcing a failure. [ 394.368071][ T3740] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 394.376476][ T3730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 394.376481][ T3730] Call Trace: [ 394.376501][ T3730] dump_stack_lvl+0x1e2/0x24b [ 394.376511][ T3730] ? bfq_pos_tree_add_move+0x43e/0x43e [ 394.376520][ T3730] ? vsnprintf+0x1fa/0x1cd0 [ 394.376530][ T3730] dump_stack+0x15/0x17 [ 394.376539][ T3730] should_fail+0x3c0/0x510 [ 394.376555][ T3730] should_fail_usercopy+0x1a/0x20 [ 394.389832][ T3741] FAULT_INJECTION: forcing a failure. [ 394.389832][ T3741] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 394.400041][ T3730] _copy_from_user+0x20/0xd0 [ 394.400051][ T3730] kstrtouint_from_user+0xd7/0x2b0 [ 394.400061][ T3730] ? kstrtol_from_user+0x310/0x310 [ 394.400069][ T3730] ? snprintf+0xd6/0x120 [ 394.400085][ T3730] ? avc_policy_seqno+0x1b/0x70 [ 394.400100][ T3730] ? selinux_file_permission+0x2a9/0x520 [ 394.475370][ T3730] proc_fail_nth_write+0xa5/0x290 [ 394.480477][ T3730] ? security_file_permission+0x9d/0xc0 [ 394.486002][ T3730] ? proc_fail_nth_read+0x220/0x220 [ 394.491176][ T3730] ? security_file_permission+0xa8/0xc0 [ 394.496832][ T3730] ? rw_verify_area+0x1c2/0x360 [ 394.501661][ T3730] ? proc_fail_nth_read+0x220/0x220 [ 394.506987][ T3730] vfs_write+0x39b/0xf80 [ 394.511210][ T3730] ? kernel_write+0x420/0x420 [ 394.515958][ T3730] ? __kasan_check_write+0x14/0x20 [ 394.521226][ T3730] ? mutex_lock+0xb2/0x1e0 [ 394.525810][ T3730] ? mutex_trylock+0x180/0x180 [ 394.530872][ T3730] ? __fdget_pos+0x26d/0x310 [ 394.535639][ T3730] ? ksys_write+0x77/0x2c0 [ 394.540147][ T3730] ksys_write+0x198/0x2c0 [ 394.544984][ T3730] ? __kasan_check_write+0x14/0x20 [ 394.550080][ T3730] ? __ia32_sys_read+0x90/0x90 [ 394.554909][ T3730] ? debug_smp_processor_id+0x17/0x20 [ 394.560440][ T3730] __x64_sys_write+0x7b/0x90 [ 394.566139][ T3730] do_syscall_64+0x34/0x70 [ 394.570562][ T3730] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 394.576697][ T3730] RIP: 0033:0x7f6ebe0d0b5f [ 394.581300][ T3730] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 394.602361][ T3730] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 394.611131][ T3730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 394.619464][ T3730] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 394.627632][ T3730] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 394.635825][ T3730] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 394.644315][ T3730] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 394.652321][ T3740] CPU: 0 PID: 3740 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 394.662926][ T3740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 394.673441][ T3740] Call Trace: [ 394.677345][ T3740] dump_stack_lvl+0x1e2/0x24b [ 394.682804][ T3740] ? bfq_pos_tree_add_move+0x43e/0x43e [ 394.688261][ T3740] ? vsnprintf+0x1fa/0x1cd0 [ 394.692768][ T3740] dump_stack+0x15/0x17 [ 394.697001][ T3740] should_fail+0x3c0/0x510 [ 394.701522][ T3740] should_fail_usercopy+0x1a/0x20 [ 394.706621][ T3740] _copy_from_user+0x20/0xd0 [ 394.711310][ T3740] kstrtouint_from_user+0xd7/0x2b0 [ 394.716860][ T3740] ? kstrtol_from_user+0x310/0x310 [ 394.722220][ T3740] ? snprintf+0xd6/0x120 [ 394.726545][ T3740] ? avc_policy_seqno+0x1b/0x70 [ 394.731602][ T3740] ? selinux_file_permission+0x2a9/0x520 [ 394.737390][ T3740] proc_fail_nth_write+0xa5/0x290 [ 394.742532][ T3740] ? security_file_permission+0x9d/0xc0 [ 394.748594][ T3740] ? proc_fail_nth_read+0x220/0x220 [ 394.754127][ T3740] ? security_file_permission+0xa8/0xc0 [ 394.759828][ T3740] ? rw_verify_area+0x1c2/0x360 [ 394.764780][ T3740] ? proc_fail_nth_read+0x220/0x220 [ 394.770534][ T3740] vfs_write+0x39b/0xf80 [ 394.774804][ T3740] ? kernel_write+0x420/0x420 [ 394.779483][ T3740] ? __kasan_check_write+0x14/0x20 [ 394.784787][ T3740] ? mutex_lock+0xb2/0x1e0 [ 394.789405][ T3740] ? mutex_trylock+0x180/0x180 [ 394.794423][ T3740] ? __fdget_pos+0x26d/0x310 [ 394.799285][ T3740] ? ksys_write+0x77/0x2c0 [ 394.804055][ T3740] ksys_write+0x198/0x2c0 [ 394.809312][ T3740] ? __kasan_check_write+0x14/0x20 [ 394.816279][ T3740] ? __ia32_sys_read+0x90/0x90 [ 394.822572][ T3740] ? debug_smp_processor_id+0x17/0x20 [ 394.828921][ T3740] __x64_sys_write+0x7b/0x90 [ 394.833778][ T3740] do_syscall_64+0x34/0x70 [ 394.838829][ T3740] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 394.844804][ T3740] RIP: 0033:0x7f869ba6eb5f [ 394.849978][ T3740] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 394.870206][ T3740] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 394.878780][ T3740] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 394.887010][ T3740] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 394.895164][ T3740] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 394.903860][ T3740] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 394.912238][ T3740] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 394.920868][ T3741] CPU: 1 PID: 3741 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 394.935369][ T3741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 394.945874][ T3741] Call Trace: [ 394.949184][ T3741] dump_stack_lvl+0x1e2/0x24b [ 394.953934][ T3741] ? bfq_pos_tree_add_move+0x43e/0x43e [ 394.959768][ T3741] ? vsnprintf+0x1fa/0x1cd0 [ 394.964407][ T3741] dump_stack+0x15/0x17 [ 394.968555][ T3741] should_fail+0x3c0/0x510 [ 394.973065][ T3741] should_fail_usercopy+0x1a/0x20 [ 394.978351][ T3741] _copy_from_user+0x20/0xd0 [ 394.983049][ T3741] kstrtouint_from_user+0xd7/0x2b0 [ 394.988329][ T3741] ? kstrtol_from_user+0x310/0x310 [ 394.993889][ T3741] ? snprintf+0xd6/0x120 [ 394.998464][ T3741] ? avc_policy_seqno+0x1b/0x70 [ 395.003299][ T3741] ? selinux_file_permission+0x2a9/0x520 [ 395.009025][ T3741] proc_fail_nth_write+0xa5/0x290 [ 395.014232][ T3741] ? security_file_permission+0x9d/0xc0 [ 395.019961][ T3741] ? proc_fail_nth_read+0x220/0x220 [ 395.025440][ T3741] ? security_file_permission+0xa8/0xc0 [ 395.031150][ T3741] ? rw_verify_area+0x1c2/0x360 [ 395.036020][ T3741] ? proc_fail_nth_read+0x220/0x220 [ 395.041497][ T3741] vfs_write+0x39b/0xf80 [ 395.045922][ T3741] ? kernel_write+0x420/0x420 [ 395.051117][ T3741] ? __kasan_check_write+0x14/0x20 [ 395.056476][ T3741] ? mutex_lock+0xb2/0x1e0 [ 395.061157][ T3741] ? mutex_trylock+0x180/0x180 [ 395.065918][ T3741] ? __fdget_pos+0x26d/0x310 [ 395.070952][ T3741] ? ksys_write+0x77/0x2c0 [ 395.075446][ T3741] ksys_write+0x198/0x2c0 [ 395.079907][ T3741] ? __kasan_check_write+0x14/0x20 [ 395.085024][ T3741] ? __ia32_sys_read+0x90/0x90 [ 395.089940][ T3741] ? debug_smp_processor_id+0x17/0x20 [ 395.095290][ T3741] __x64_sys_write+0x7b/0x90 [ 395.100169][ T3741] do_syscall_64+0x34/0x70 [ 395.104598][ T3741] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 395.111259][ T3741] RIP: 0033:0x7f7d1c31ab5f [ 395.115917][ T3741] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 395.137311][ T3741] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 395.146065][ T3741] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 395.154460][ T3741] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 395.164504][ T3741] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 395.172904][ T3741] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 395.181489][ T3741] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 395.190256][ T3732] CPU: 0 PID: 3732 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 395.195277][ T3745] FAULT_INJECTION: forcing a failure. [ 395.195277][ T3745] name failslab, interval 1, probability 0, space 0, times 0 [ 395.201399][ T3732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 395.225457][ T3732] Call Trace: [ 395.229084][ T3732] dump_stack_lvl+0x1e2/0x24b [ 395.234474][ T3732] ? bfq_pos_tree_add_move+0x43e/0x43e [ 395.240745][ T3732] ? vsnprintf+0x1fa/0x1cd0 [ 395.245889][ T3732] dump_stack+0x15/0x17 [ 395.250272][ T3732] should_fail+0x3c0/0x510 [ 395.256015][ T3732] should_fail_usercopy+0x1a/0x20 [ 395.261740][ T3732] _copy_from_user+0x20/0xd0 [ 395.267055][ T3732] kstrtouint_from_user+0xd7/0x2b0 [ 395.272367][ T3732] ? kstrtol_from_user+0x310/0x310 [ 395.278158][ T3732] ? snprintf+0xd6/0x120 [ 395.282668][ T3732] ? avc_policy_seqno+0x1b/0x70 [ 395.287590][ T3732] ? selinux_file_permission+0x2a9/0x520 [ 395.293379][ T3732] proc_fail_nth_write+0xa5/0x290 [ 395.298648][ T3732] ? security_file_permission+0x9d/0xc0 [ 395.304277][ T3732] ? proc_fail_nth_read+0x220/0x220 [ 395.309664][ T3732] ? security_file_permission+0xa8/0xc0 [ 395.315288][ T3732] ? rw_verify_area+0x1c2/0x360 [ 395.320221][ T3732] ? proc_fail_nth_read+0x220/0x220 [ 395.325771][ T3732] vfs_write+0x39b/0xf80 [ 395.330153][ T3732] ? kernel_write+0x420/0x420 [ 395.335245][ T3732] ? __kasan_check_write+0x14/0x20 [ 395.340507][ T3732] ? mutex_lock+0xb2/0x1e0 [ 395.344900][ T3732] ? mutex_trylock+0x180/0x180 [ 395.350188][ T3732] ? __fdget_pos+0x26d/0x310 [ 395.354802][ T3732] ? ksys_write+0x77/0x2c0 [ 395.359210][ T3732] ksys_write+0x198/0x2c0 [ 395.363822][ T3732] ? __kasan_check_write+0x14/0x20 [ 395.369199][ T3732] ? __ia32_sys_read+0x90/0x90 [ 395.374073][ T3732] ? debug_smp_processor_id+0x17/0x20 [ 395.379443][ T3732] __x64_sys_write+0x7b/0x90 [ 395.384020][ T3732] do_syscall_64+0x34/0x70 [ 395.388435][ T3732] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 395.394486][ T3732] RIP: 0033:0x7f022ab05b5f [ 395.399258][ T3732] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 395.420090][ T3732] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 395.429634][ T3732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 395.438956][ T3732] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 395.447481][ T3732] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 2022/08/30 17:02:16 executed programs: 1494 [ 395.455637][ T3732] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 395.464815][ T3732] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 395.472954][ T3745] CPU: 1 PID: 3745 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 395.483977][ T3745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 395.494274][ T3745] Call Trace: [ 395.497654][ T3745] dump_stack_lvl+0x1e2/0x24b [ 395.502820][ T3745] ? panic+0x7d7/0x7d7 [ 395.507237][ T3745] ? bfq_pos_tree_add_move+0x43e/0x43e [ 395.512780][ T3745] ? find_next_bit+0xd6/0x120 [ 395.517871][ T3745] ? cpumask_next+0x11/0x30 [ 395.522357][ T3745] dump_stack+0x15/0x17 [ 395.526869][ T3745] should_fail+0x3c0/0x510 [ 395.531360][ T3745] ? percpu_ref_init+0xd0/0x340 [ 395.536192][ T3745] __should_failslab+0x9f/0xe0 [ 395.541237][ T3745] should_failslab+0x9/0x20 [ 395.546093][ T3745] kmem_cache_alloc_trace+0x3a/0x330 [ 395.551459][ T3745] percpu_ref_init+0xd0/0x340 [ 395.556483][ T3745] ? cgroup_setup_root+0xea0/0xea0 [ 395.561768][ T3745] cgroup_apply_control_enable+0x3a2/0x12f0 [ 395.567919][ T3745] ? cgroup_reconfigure+0xe0/0xe0 [ 395.573353][ T3745] cgroup_apply_control+0x8e/0x7e0 [ 395.578548][ T3745] ? css_next_child+0x160/0x160 [ 395.583990][ T3745] ? io_schedule+0x120/0x120 [ 395.589357][ T3745] ? kernfs_fop_write_iter+0x15e/0x410 [ 395.594968][ T3745] ? __kasan_check_write+0x14/0x20 [ 395.600336][ T3745] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 395.605879][ T3745] cgroup_subtree_control_write+0xd19/0x1310 [ 395.612038][ T3745] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 395.618256][ T3745] ? __kasan_check_write+0x14/0x20 [ 395.623605][ T3745] ? _copy_from_iter+0x3fb/0xd60 [ 395.628923][ T3745] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 395.634972][ T3745] cgroup_file_write+0x28e/0x590 [ 395.639977][ T3745] ? cgroup_seqfile_stop+0xc0/0xc0 [ 395.645154][ T3745] ? mutex_trylock+0x180/0x180 [ 395.649894][ T3745] ? __kasan_check_write+0x14/0x20 [ 395.655253][ T3745] kernfs_fop_write_iter+0x2d0/0x410 [ 395.660697][ T3745] ? cgroup_seqfile_stop+0xc0/0xc0 [ 395.666132][ T3745] vfs_write+0xc4a/0xf80 [ 395.670545][ T3745] ? kernel_write+0x420/0x420 [ 395.675575][ T3745] ? mutex_lock+0xb2/0x1e0 [ 395.679973][ T3745] ? mutex_trylock+0x180/0x180 [ 395.684888][ T3745] ? __fdget_pos+0x26d/0x310 [ 395.689631][ T3745] ? ksys_write+0x77/0x2c0 [ 395.694114][ T3745] ksys_write+0x198/0x2c0 [ 395.698952][ T3745] ? __ia32_sys_read+0x90/0x90 [ 395.704322][ T3745] ? debug_smp_processor_id+0x17/0x20 [ 395.709968][ T3745] __x64_sys_write+0x7b/0x90 [ 395.714909][ T3745] do_syscall_64+0x34/0x70 [ 395.719476][ T3745] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 395.725340][ T3745] RIP: 0033:0x7f85191c4049 [ 395.730002][ T3745] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 395.750473][ T3745] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 395.759232][ T3745] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 395.767564][ T3745] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 395.775726][ T3745] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 395.783884][ T3745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 395.793239][ T3745] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 395.813601][ T3747] FAULT_INJECTION: forcing a failure. [ 395.813601][ T3747] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 395.814599][ T3754] FAULT_INJECTION: forcing a failure. [ 395.814599][ T3754] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 395.827786][ T3747] CPU: 1 PID: 3747 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 395.845816][ T3750] FAULT_INJECTION: forcing a failure. [ 395.845816][ T3750] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 395.854664][ T3747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 395.854669][ T3747] Call Trace: [ 395.854690][ T3747] dump_stack_lvl+0x1e2/0x24b [ 395.854700][ T3747] ? bfq_pos_tree_add_move+0x43e/0x43e [ 395.854711][ T3747] ? vsnprintf+0x1fa/0x1cd0 [ 395.854731][ T3747] dump_stack+0x15/0x17 [ 395.870667][ T3749] FAULT_INJECTION: forcing a failure. [ 395.870667][ T3749] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 395.883426][ T3747] should_fail+0x3c0/0x510 [ 395.883437][ T3747] should_fail_usercopy+0x1a/0x20 [ 395.883447][ T3747] _copy_from_user+0x20/0xd0 [ 395.883457][ T3747] kstrtouint_from_user+0xd7/0x2b0 [ 395.883465][ T3747] ? kstrtol_from_user+0x310/0x310 [ 395.883473][ T3747] ? snprintf+0xd6/0x120 [ 395.883485][ T3747] ? avc_policy_seqno+0x1b/0x70 [ 395.883503][ T3747] ? selinux_file_permission+0x2a9/0x520 [ 395.963212][ T3747] proc_fail_nth_write+0xa5/0x290 [ 395.968866][ T3747] ? security_file_permission+0x9d/0xc0 [ 395.974496][ T3747] ? proc_fail_nth_read+0x220/0x220 [ 395.979722][ T3747] ? security_file_permission+0xa8/0xc0 [ 395.986067][ T3747] ? rw_verify_area+0x1c2/0x360 [ 395.992429][ T3747] ? proc_fail_nth_read+0x220/0x220 [ 395.998166][ T3747] vfs_write+0x39b/0xf80 [ 396.002435][ T3747] ? kernel_write+0x420/0x420 [ 396.007105][ T3747] ? __kasan_check_write+0x14/0x20 [ 396.012391][ T3747] ? mutex_lock+0xb2/0x1e0 [ 396.016978][ T3747] ? mutex_trylock+0x180/0x180 [ 396.021825][ T3747] ? __fdget_pos+0x26d/0x310 [ 396.026685][ T3747] ? ksys_write+0x77/0x2c0 [ 396.031267][ T3747] ksys_write+0x198/0x2c0 [ 396.035671][ T3747] ? __kasan_check_write+0x14/0x20 [ 396.040952][ T3747] ? __ia32_sys_read+0x90/0x90 [ 396.045809][ T3747] ? debug_smp_processor_id+0x17/0x20 [ 396.051254][ T3747] __x64_sys_write+0x7b/0x90 [ 396.056123][ T3747] do_syscall_64+0x34/0x70 [ 396.060979][ T3747] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 396.067055][ T3747] RIP: 0033:0x7f7d1c31ab5f [ 396.071642][ T3747] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 396.092170][ T3747] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 396.100677][ T3747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 396.108813][ T3747] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 396.116954][ T3747] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 396.126376][ T3747] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 396.134554][ T3747] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 396.142794][ T3750] CPU: 0 PID: 3750 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 396.153206][ T3750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 396.163863][ T3750] Call Trace: [ 396.167445][ T3750] dump_stack_lvl+0x1e2/0x24b [ 396.172191][ T3750] ? bfq_pos_tree_add_move+0x43e/0x43e [ 396.177626][ T3750] ? vsnprintf+0x1fa/0x1cd0 [ 396.182107][ T3750] dump_stack+0x15/0x17 [ 396.186250][ T3750] should_fail+0x3c0/0x510 [ 396.190834][ T3750] should_fail_usercopy+0x1a/0x20 [ 396.196025][ T3750] _copy_from_user+0x20/0xd0 [ 396.200947][ T3750] kstrtouint_from_user+0xd7/0x2b0 [ 396.206165][ T3750] ? kstrtol_from_user+0x310/0x310 [ 396.211714][ T3750] ? snprintf+0xd6/0x120 [ 396.216746][ T3750] ? avc_policy_seqno+0x1b/0x70 [ 396.222939][ T3750] ? selinux_file_permission+0x2a9/0x520 [ 396.228900][ T3750] proc_fail_nth_write+0xa5/0x290 [ 396.233909][ T3750] ? security_file_permission+0x9d/0xc0 [ 396.239546][ T3750] ? proc_fail_nth_read+0x220/0x220 [ 396.244837][ T3750] ? security_file_permission+0xa8/0xc0 [ 396.250464][ T3750] ? rw_verify_area+0x1c2/0x360 [ 396.255472][ T3750] ? proc_fail_nth_read+0x220/0x220 [ 396.260669][ T3750] vfs_write+0x39b/0xf80 [ 396.264997][ T3750] ? kernel_write+0x420/0x420 [ 396.269863][ T3750] ? __kasan_check_write+0x14/0x20 [ 396.275334][ T3750] ? mutex_lock+0xb2/0x1e0 [ 396.280288][ T3750] ? mutex_trylock+0x180/0x180 [ 396.285042][ T3750] ? __fdget_pos+0x26d/0x310 [ 396.289610][ T3750] ? ksys_write+0x77/0x2c0 [ 396.294021][ T3750] ksys_write+0x198/0x2c0 [ 396.298608][ T3750] ? __kasan_check_write+0x14/0x20 [ 396.303947][ T3750] ? __ia32_sys_read+0x90/0x90 [ 396.308807][ T3750] ? debug_smp_processor_id+0x17/0x20 [ 396.314375][ T3750] __x64_sys_write+0x7b/0x90 [ 396.319053][ T3750] do_syscall_64+0x34/0x70 [ 396.323630][ T3750] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 396.329615][ T3750] RIP: 0033:0x7f6ebe0d0b5f [ 396.334027][ T3750] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 396.354065][ T3750] RSP: 002b:00007f6ebe073160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 396.362668][ T3750] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 396.371146][ T3750] RDX: 0000000000000001 RSI: 00007f6ebe0731e0 RDI: 0000000000000005 [ 396.379473][ T3750] RBP: 00007f6ebe0731d0 R08: 0000000000000000 R09: 0000000000000000 [ 396.387645][ T3750] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 396.396152][ T3750] R13: 00007ffd48f8c5bf R14: 00007f6ebe073300 R15: 0000000000022000 [ 396.404208][ T3749] CPU: 1 PID: 3749 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 396.414849][ T3749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 396.425459][ T3749] Call Trace: [ 396.428902][ T3749] dump_stack_lvl+0x1e2/0x24b [ 396.433676][ T3749] ? bfq_pos_tree_add_move+0x43e/0x43e [ 396.439116][ T3749] ? vsnprintf+0x1fa/0x1cd0 [ 396.443799][ T3749] dump_stack+0x15/0x17 [ 396.448053][ T3749] should_fail+0x3c0/0x510 [ 396.452636][ T3749] should_fail_usercopy+0x1a/0x20 [ 396.457763][ T3749] _copy_from_user+0x20/0xd0 [ 396.462457][ T3749] kstrtouint_from_user+0xd7/0x2b0 [ 396.467849][ T3749] ? kstrtol_from_user+0x310/0x310 [ 396.473055][ T3749] ? snprintf+0xd6/0x120 [ 396.477311][ T3749] ? avc_policy_seqno+0x1b/0x70 [ 396.482174][ T3749] ? selinux_file_permission+0x2a9/0x520 [ 396.487993][ T3749] proc_fail_nth_write+0xa5/0x290 [ 396.493004][ T3749] ? security_file_permission+0x9d/0xc0 [ 396.498620][ T3749] ? proc_fail_nth_read+0x220/0x220 [ 396.504236][ T3749] ? security_file_permission+0xa8/0xc0 [ 396.510217][ T3749] ? rw_verify_area+0x1c2/0x360 [ 396.515137][ T3749] ? proc_fail_nth_read+0x220/0x220 [ 396.520570][ T3749] vfs_write+0x39b/0xf80 [ 396.525441][ T3749] ? kernel_write+0x420/0x420 [ 396.530106][ T3749] ? __kasan_check_write+0x14/0x20 [ 396.535286][ T3749] ? mutex_lock+0xb2/0x1e0 [ 396.539774][ T3749] ? mutex_trylock+0x180/0x180 [ 396.544529][ T3749] ? __fdget_pos+0x26d/0x310 [ 396.549198][ T3749] ? ksys_write+0x77/0x2c0 [ 396.553607][ T3749] ksys_write+0x198/0x2c0 [ 396.558274][ T3749] ? __kasan_check_write+0x14/0x20 [ 396.563569][ T3749] ? __ia32_sys_read+0x90/0x90 [ 396.568399][ T3749] ? debug_smp_processor_id+0x17/0x20 [ 396.573924][ T3749] __x64_sys_write+0x7b/0x90 [ 396.578597][ T3749] do_syscall_64+0x34/0x70 [ 396.582996][ T3749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 396.589175][ T3749] RIP: 0033:0x7faa22393b5f [ 396.593670][ T3749] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 396.614658][ T3749] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 396.623052][ T3749] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 396.631196][ T3749] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 396.639329][ T3749] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 396.647385][ T3749] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 396.655477][ T3749] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 396.664309][ T3754] CPU: 0 PID: 3754 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 396.674883][ T3754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 396.685120][ T3754] Call Trace: [ 396.688511][ T3754] dump_stack_lvl+0x1e2/0x24b [ 396.693535][ T3754] ? bfq_pos_tree_add_move+0x43e/0x43e [ 396.698979][ T3754] ? vsnprintf+0x1fa/0x1cd0 [ 396.703798][ T3754] dump_stack+0x15/0x17 [ 396.708755][ T3754] should_fail+0x3c0/0x510 [ 396.719114][ T3754] should_fail_usercopy+0x1a/0x20 [ 396.724515][ T3754] _copy_from_user+0x20/0xd0 [ 396.729843][ T3754] kstrtouint_from_user+0xd7/0x2b0 [ 396.734930][ T3754] ? kstrtol_from_user+0x310/0x310 [ 396.740023][ T3754] ? snprintf+0xd6/0x120 [ 396.744440][ T3754] ? avc_policy_seqno+0x1b/0x70 [ 396.749363][ T3754] ? selinux_file_permission+0x2a9/0x520 [ 396.755231][ T3754] proc_fail_nth_write+0xa5/0x290 [ 396.760412][ T3754] ? security_file_permission+0x9d/0xc0 [ 396.766449][ T3754] ? proc_fail_nth_read+0x220/0x220 [ 396.771971][ T3754] ? security_file_permission+0xa8/0xc0 [ 396.777670][ T3754] ? rw_verify_area+0x1c2/0x360 [ 396.782588][ T3754] ? proc_fail_nth_read+0x220/0x220 [ 396.787825][ T3754] vfs_write+0x39b/0xf80 [ 396.792549][ T3754] ? kernel_write+0x420/0x420 [ 396.797552][ T3754] ? __kasan_check_write+0x14/0x20 [ 396.802900][ T3754] ? mutex_lock+0xb2/0x1e0 [ 396.807305][ T3754] ? mutex_trylock+0x180/0x180 [ 396.812252][ T3754] ? __fdget_pos+0x26d/0x310 [ 396.817027][ T3754] ? ksys_write+0x77/0x2c0 [ 396.821618][ T3754] ksys_write+0x198/0x2c0 [ 396.826122][ T3754] ? __ia32_sys_read+0x90/0x90 [ 396.831068][ T3754] ? debug_smp_processor_id+0x17/0x20 [ 396.837179][ T3754] __x64_sys_write+0x7b/0x90 [ 396.841944][ T3754] do_syscall_64+0x34/0x70 [ 396.846513][ T3754] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 396.852392][ T3754] RIP: 0033:0x7f869ba6eb5f [ 396.856911][ T3754] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 396.877415][ T3754] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 396.886344][ T3754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 396.894332][ T3754] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 396.903121][ T3754] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 396.911442][ T3754] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 396.919475][ T3754] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 396.933489][ T3759] FAULT_INJECTION: forcing a failure. [ 396.933489][ T3759] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 396.947039][ T3759] CPU: 1 PID: 3759 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 396.957368][ T3759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 396.967919][ T3759] Call Trace: [ 396.971413][ T3759] dump_stack_lvl+0x1e2/0x24b [ 396.976174][ T3759] ? bfq_pos_tree_add_move+0x43e/0x43e [ 396.981711][ T3759] ? vsnprintf+0x1fa/0x1cd0 [ 396.986588][ T3759] dump_stack+0x15/0x17 [ 396.990907][ T3759] should_fail+0x3c0/0x510 [ 396.995405][ T3759] should_fail_usercopy+0x1a/0x20 [ 397.000706][ T3759] _copy_from_user+0x20/0xd0 [ 397.005736][ T3759] kstrtouint_from_user+0xd7/0x2b0 [ 397.010921][ T3759] ? kstrtol_from_user+0x310/0x310 [ 397.016281][ T3759] ? snprintf+0xd6/0x120 [ 397.020755][ T3759] ? avc_policy_seqno+0x1b/0x70 [ 397.025697][ T3759] ? selinux_file_permission+0x2a9/0x520 [ 397.031819][ T3759] proc_fail_nth_write+0xa5/0x290 [ 397.037304][ T3759] ? security_file_permission+0x9d/0xc0 [ 397.043197][ T3759] ? proc_fail_nth_read+0x220/0x220 [ 397.048497][ T3759] ? security_file_permission+0xa8/0xc0 [ 397.054141][ T3759] ? rw_verify_area+0x1c2/0x360 [ 397.059252][ T3759] ? proc_fail_nth_read+0x220/0x220 [ 397.064538][ T3759] vfs_write+0x39b/0xf80 [ 397.068765][ T3759] ? kernel_write+0x420/0x420 [ 397.073417][ T3759] ? __kasan_check_write+0x14/0x20 [ 397.078505][ T3759] ? mutex_lock+0xb2/0x1e0 [ 397.083424][ T3759] ? mutex_trylock+0x180/0x180 [ 397.088205][ T3759] ? __fdget_pos+0x26d/0x310 [ 397.092887][ T3759] ? ksys_write+0x77/0x2c0 [ 397.097284][ T3759] ksys_write+0x198/0x2c0 [ 397.101592][ T3759] ? __ia32_sys_read+0x90/0x90 [ 397.106596][ T3759] ? debug_smp_processor_id+0x17/0x20 [ 397.113052][ T3759] __x64_sys_write+0x7b/0x90 [ 397.118095][ T3759] do_syscall_64+0x34/0x70 [ 397.122506][ T3759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 397.128752][ T3759] RIP: 0033:0x7f7d1c31ab5f [ 397.133236][ T3759] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 397.152928][ T3759] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 397.161701][ T3759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 397.169756][ T3759] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 397.177719][ T3759] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 397.185668][ T3759] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 397.193803][ T3759] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 397.210302][ T3767] FAULT_INJECTION: forcing a failure. [ 397.210302][ T3767] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 397.224058][ T3761] FAULT_INJECTION: forcing a failure. [ 397.224058][ T3761] name failslab, interval 1, probability 0, space 0, times 0 [ 397.237418][ T3761] CPU: 1 PID: 3761 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 397.247771][ T3761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 397.257809][ T3761] Call Trace: [ 397.261085][ T3761] dump_stack_lvl+0x1e2/0x24b [ 397.266010][ T3761] ? panic+0x7d7/0x7d7 [ 397.270097][ T3761] ? bfq_pos_tree_add_move+0x43e/0x43e [ 397.275626][ T3761] ? find_next_bit+0xd6/0x120 [ 397.280278][ T3761] ? cpumask_next+0x11/0x30 [ 397.284771][ T3761] dump_stack+0x15/0x17 [ 397.289099][ T3761] should_fail+0x3c0/0x510 [ 397.293495][ T3761] ? percpu_ref_init+0xd0/0x340 [ 397.298339][ T3761] __should_failslab+0x9f/0xe0 [ 397.303248][ T3761] should_failslab+0x9/0x20 [ 397.307906][ T3761] kmem_cache_alloc_trace+0x3a/0x330 [ 397.313382][ T3761] percpu_ref_init+0xd0/0x340 [ 397.318078][ T3761] ? cgroup_setup_root+0xea0/0xea0 [ 397.323356][ T3761] cgroup_apply_control_enable+0x3a2/0x12f0 [ 397.329675][ T3761] ? cgroup_reconfigure+0xe0/0xe0 [ 397.334783][ T3761] cgroup_apply_control+0x8e/0x7e0 [ 397.339978][ T3761] ? css_next_child+0x160/0x160 [ 397.344921][ T3761] ? io_schedule+0x120/0x120 [ 397.349760][ T3761] ? kernfs_fop_write_iter+0x15e/0x410 [ 397.355480][ T3761] ? __kasan_check_write+0x14/0x20 [ 397.361141][ T3761] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 397.366510][ T3761] cgroup_subtree_control_write+0xd19/0x1310 [ 397.373290][ T3761] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 397.379291][ T3761] ? __kasan_check_write+0x14/0x20 [ 397.384482][ T3761] ? _copy_from_iter+0x3fb/0xd60 [ 397.389474][ T3761] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 397.395799][ T3761] cgroup_file_write+0x28e/0x590 [ 397.400893][ T3761] ? cgroup_seqfile_stop+0xc0/0xc0 [ 397.407546][ T3761] ? mutex_trylock+0x180/0x180 [ 397.412290][ T3761] ? __kasan_check_write+0x14/0x20 [ 397.417557][ T3761] kernfs_fop_write_iter+0x2d0/0x410 [ 397.422916][ T3761] ? cgroup_seqfile_stop+0xc0/0xc0 [ 397.428248][ T3761] vfs_write+0xc4a/0xf80 [ 397.433632][ T3761] ? kernel_write+0x420/0x420 [ 397.438370][ T3761] ? mutex_lock+0xb2/0x1e0 [ 397.442786][ T3761] ? mutex_trylock+0x180/0x180 [ 397.447964][ T3761] ? __fdget_pos+0x26d/0x310 [ 397.452527][ T3761] ? ksys_write+0x77/0x2c0 [ 397.457286][ T3761] ksys_write+0x198/0x2c0 [ 397.461593][ T3761] ? __ia32_sys_read+0x90/0x90 [ 397.466527][ T3761] ? debug_smp_processor_id+0x17/0x20 [ 397.471977][ T3761] __x64_sys_write+0x7b/0x90 [ 397.477323][ T3761] do_syscall_64+0x34/0x70 [ 397.481717][ T3761] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 397.487602][ T3761] RIP: 0033:0x7f85191c4049 [ 397.491997][ T3761] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 397.511666][ T3761] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 397.520317][ T3761] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 397.528369][ T3761] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 397.536336][ T3761] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 397.544589][ T3761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 397.552666][ T3761] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 397.561586][ T3767] CPU: 1 PID: 3767 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 397.566292][ T3765] FAULT_INJECTION: forcing a failure. [ 397.566292][ T3765] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 397.572647][ T3767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 397.572652][ T3767] Call Trace: [ 397.572670][ T3767] dump_stack_lvl+0x1e2/0x24b [ 397.572687][ T3767] ? bfq_pos_tree_add_move+0x43e/0x43e [ 397.586922][ T3769] FAULT_INJECTION: forcing a failure. [ 397.586922][ T3769] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 397.596533][ T3767] ? vsnprintf+0x1fa/0x1cd0 [ 397.596547][ T3767] dump_stack+0x15/0x17 [ 397.596556][ T3767] should_fail+0x3c0/0x510 [ 397.596571][ T3767] should_fail_usercopy+0x1a/0x20 [ 397.596589][ T3767] _copy_from_user+0x20/0xd0 [ 397.646401][ T3767] kstrtouint_from_user+0xd7/0x2b0 [ 397.651696][ T3767] ? kstrtol_from_user+0x310/0x310 [ 397.656903][ T3767] ? snprintf+0xd6/0x120 [ 397.661572][ T3767] ? avc_policy_seqno+0x1b/0x70 [ 397.666603][ T3767] ? selinux_file_permission+0x2a9/0x520 [ 397.672925][ T3767] proc_fail_nth_write+0xa5/0x290 [ 397.678371][ T3767] ? security_file_permission+0x9d/0xc0 [ 397.684130][ T3767] ? proc_fail_nth_read+0x220/0x220 [ 397.689712][ T3767] ? security_file_permission+0xa8/0xc0 [ 397.695454][ T3767] ? rw_verify_area+0x1c2/0x360 [ 397.700373][ T3767] ? proc_fail_nth_read+0x220/0x220 [ 397.704977][ T3763] FAULT_INJECTION: forcing a failure. [ 397.704977][ T3763] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 397.705708][ T3767] vfs_write+0x39b/0xf80 [ 397.705720][ T3767] ? kernel_write+0x420/0x420 [ 397.705737][ T3767] ? __kasan_check_write+0x14/0x20 [ 397.719840][ T3771] FAULT_INJECTION: forcing a failure. [ 397.719840][ T3771] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 397.724042][ T3767] ? mutex_lock+0xb2/0x1e0 [ 397.724051][ T3767] ? mutex_trylock+0x180/0x180 [ 397.724068][ T3767] ? __fdget_pos+0x26d/0x310 [ 397.761777][ T3767] ? ksys_write+0x77/0x2c0 [ 397.766446][ T3767] ksys_write+0x198/0x2c0 [ 397.771116][ T3767] ? __ia32_sys_read+0x90/0x90 [ 397.775951][ T3767] ? debug_smp_processor_id+0x17/0x20 [ 397.781314][ T3767] __x64_sys_write+0x7b/0x90 [ 397.785980][ T3767] do_syscall_64+0x34/0x70 [ 397.790568][ T3767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 397.796438][ T3767] RIP: 0033:0x7f7d1c31ab5f [ 397.801115][ T3767] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 397.821896][ T3767] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 397.830299][ T3767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 397.838516][ T3767] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 397.846570][ T3767] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 397.854737][ T3767] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 397.862810][ T3767] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 397.870900][ T3763] CPU: 0 PID: 3763 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 397.881856][ T3763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 397.892154][ T3763] Call Trace: [ 397.895607][ T3763] dump_stack_lvl+0x1e2/0x24b [ 397.900547][ T3763] ? bfq_pos_tree_add_move+0x43e/0x43e [ 397.907094][ T3763] ? vsnprintf+0x1fa/0x1cd0 [ 397.911681][ T3763] dump_stack+0x15/0x17 [ 397.915821][ T3763] should_fail+0x3c0/0x510 [ 397.920416][ T3763] should_fail_usercopy+0x1a/0x20 [ 397.925433][ T3763] _copy_from_user+0x20/0xd0 [ 397.930129][ T3763] kstrtouint_from_user+0xd7/0x2b0 [ 397.935399][ T3763] ? kstrtol_from_user+0x310/0x310 [ 397.940580][ T3763] ? snprintf+0xd6/0x120 [ 397.944896][ T3763] ? avc_policy_seqno+0x1b/0x70 [ 397.949827][ T3763] ? selinux_file_permission+0x2a9/0x520 [ 397.955802][ T3763] proc_fail_nth_write+0xa5/0x290 [ 397.960808][ T3763] ? security_file_permission+0x9d/0xc0 [ 397.966533][ T3763] ? proc_fail_nth_read+0x220/0x220 [ 397.971733][ T3763] ? security_file_permission+0xa8/0xc0 [ 397.979269][ T3763] ? rw_verify_area+0x1c2/0x360 [ 397.984203][ T3763] ? proc_fail_nth_read+0x220/0x220 [ 397.989486][ T3763] vfs_write+0x39b/0xf80 [ 397.993812][ T3763] ? kernel_write+0x420/0x420 [ 397.999310][ T3763] ? __kasan_check_write+0x14/0x20 [ 398.004696][ T3763] ? mutex_lock+0xb2/0x1e0 [ 398.009356][ T3763] ? mutex_trylock+0x180/0x180 [ 398.014454][ T3763] ? __fdget_pos+0x26d/0x310 [ 398.019112][ T3763] ? ksys_write+0x77/0x2c0 [ 398.023701][ T3763] ksys_write+0x198/0x2c0 [ 398.028104][ T3763] ? __kasan_check_write+0x14/0x20 [ 398.033292][ T3763] ? __ia32_sys_read+0x90/0x90 [ 398.038114][ T3763] ? debug_smp_processor_id+0x17/0x20 [ 398.043659][ T3763] __x64_sys_write+0x7b/0x90 [ 398.048667][ T3763] do_syscall_64+0x34/0x70 [ 398.053088][ T3763] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 398.059070][ T3763] RIP: 0033:0x7f022ab05b5f [ 398.063559][ T3763] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 398.083377][ T3763] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 398.091778][ T3763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022ab05b5f [ 398.099820][ T3763] RDX: 0000000000000001 RSI: 00007f022aac91e0 RDI: 0000000000000005 [ 398.108520][ T3763] RBP: 00007f022aac91d0 R08: 0000000000000000 R09: 0000000000000000 [ 398.116579][ T3763] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 398.124549][ T3763] R13: 00007ffff2739d1f R14: 00007f022aac9300 R15: 0000000000022000 [ 398.132606][ T3765] CPU: 1 PID: 3765 Comm: syz-executor.0 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 398.143379][ T3765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 398.153670][ T3765] Call Trace: [ 398.157065][ T3765] dump_stack_lvl+0x1e2/0x24b [ 398.162411][ T3765] ? bfq_pos_tree_add_move+0x43e/0x43e [ 398.168911][ T3765] ? vsnprintf+0x1fa/0x1cd0 [ 398.174842][ T3765] dump_stack+0x15/0x17 [ 398.179643][ T3765] should_fail+0x3c0/0x510 [ 398.184070][ T3765] should_fail_usercopy+0x1a/0x20 [ 398.189405][ T3765] _copy_from_user+0x20/0xd0 [ 398.193981][ T3765] kstrtouint_from_user+0xd7/0x2b0 [ 398.199481][ T3765] ? kstrtol_from_user+0x310/0x310 [ 398.204713][ T3765] ? snprintf+0xd6/0x120 [ 398.209058][ T3765] ? avc_policy_seqno+0x1b/0x70 [ 398.213990][ T3765] ? selinux_file_permission+0x2a9/0x520 [ 398.220263][ T3765] proc_fail_nth_write+0xa5/0x290 [ 398.225487][ T3765] ? security_file_permission+0x9d/0xc0 [ 398.231201][ T3765] ? proc_fail_nth_read+0x220/0x220 [ 398.236556][ T3765] ? security_file_permission+0xa8/0xc0 [ 398.242087][ T3765] ? rw_verify_area+0x1c2/0x360 [ 398.247007][ T3765] ? proc_fail_nth_read+0x220/0x220 [ 398.252279][ T3765] vfs_write+0x39b/0xf80 [ 398.256509][ T3765] ? kernel_write+0x420/0x420 [ 398.261173][ T3765] ? __kasan_check_write+0x14/0x20 [ 398.266279][ T3765] ? mutex_lock+0xb2/0x1e0 [ 398.271222][ T3765] ? mutex_trylock+0x180/0x180 [ 398.276688][ T3765] ? __fdget_pos+0x26d/0x310 [ 398.281270][ T3765] ? ksys_write+0x77/0x2c0 [ 398.285726][ T3765] ksys_write+0x198/0x2c0 [ 398.290137][ T3765] ? __kasan_check_write+0x14/0x20 [ 398.295586][ T3765] ? __ia32_sys_read+0x90/0x90 [ 398.300428][ T3765] ? debug_smp_processor_id+0x17/0x20 [ 398.305780][ T3765] __x64_sys_write+0x7b/0x90 [ 398.310463][ T3765] do_syscall_64+0x34/0x70 [ 398.314884][ T3765] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 398.321017][ T3765] RIP: 0033:0x7f869ba6eb5f [ 398.325513][ T3765] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 398.345447][ T3765] RSP: 002b:00007f869ba32160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 398.354469][ T3765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f869ba6eb5f [ 398.363808][ T3765] RDX: 0000000000000001 RSI: 00007f869ba321e0 RDI: 0000000000000005 [ 398.374489][ T3765] RBP: 00007f869ba321d0 R08: 0000000000000000 R09: 0000000000000000 [ 398.382730][ T3765] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 398.391547][ T3765] R13: 00007ffd63ae361f R14: 00007f869ba32300 R15: 0000000000022000 [ 398.399903][ T3771] CPU: 0 PID: 3771 Comm: syz-executor.5 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 398.404968][ T3773] FAULT_INJECTION: forcing a failure. [ 398.404968][ T3773] name failslab, interval 1, probability 0, space 0, times 0 [ 398.410599][ T3771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 398.434448][ T3771] Call Trace: [ 398.437827][ T3771] dump_stack_lvl+0x1e2/0x24b [ 398.442664][ T3771] ? bfq_pos_tree_add_move+0x43e/0x43e [ 398.448277][ T3771] ? vsnprintf+0x1fa/0x1cd0 [ 398.454069][ T3771] dump_stack+0x15/0x17 [ 398.458212][ T3771] should_fail+0x3c0/0x510 [ 398.463057][ T3771] should_fail_usercopy+0x1a/0x20 [ 398.468163][ T3771] _copy_from_user+0x20/0xd0 [ 398.472957][ T3771] kstrtouint_from_user+0xd7/0x2b0 [ 398.478610][ T3771] ? kstrtol_from_user+0x310/0x310 [ 398.483805][ T3771] ? snprintf+0xd6/0x120 [ 398.488192][ T3771] ? avc_policy_seqno+0x1b/0x70 [ 398.493118][ T3771] ? selinux_file_permission+0x2a9/0x520 [ 398.498814][ T3771] proc_fail_nth_write+0xa5/0x290 [ 398.503905][ T3771] ? security_file_permission+0x9d/0xc0 [ 398.509429][ T3771] ? proc_fail_nth_read+0x220/0x220 [ 398.516172][ T3771] ? security_file_permission+0xa8/0xc0 [ 398.521885][ T3771] ? rw_verify_area+0x1c2/0x360 [ 398.526805][ T3771] ? proc_fail_nth_read+0x220/0x220 [ 398.532034][ T3771] vfs_write+0x39b/0xf80 [ 398.536308][ T3771] ? kernel_write+0x420/0x420 [ 398.541213][ T3771] ? __kasan_check_write+0x14/0x20 [ 398.546929][ T3771] ? mutex_lock+0xb2/0x1e0 [ 398.551341][ T3771] ? mutex_trylock+0x180/0x180 [ 398.556617][ T3771] ? __fdget_pos+0x26d/0x310 [ 398.561742][ T3771] ? ksys_write+0x77/0x2c0 [ 398.566394][ T3771] ksys_write+0x198/0x2c0 [ 398.570816][ T3771] ? __kasan_check_write+0x14/0x20 [ 398.576086][ T3771] ? __ia32_sys_read+0x90/0x90 [ 398.580852][ T3771] ? debug_smp_processor_id+0x17/0x20 [ 398.586305][ T3771] __x64_sys_write+0x7b/0x90 [ 398.591233][ T3771] do_syscall_64+0x34/0x70 [ 398.596084][ T3771] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 398.602050][ T3771] RIP: 0033:0x7faa22393b5f [ 398.607316][ T3771] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 398.638177][ T3771] RSP: 002b:00007faa22357160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 398.646802][ T3771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa22393b5f [ 398.655728][ T3771] RDX: 0000000000000001 RSI: 00007faa223571e0 RDI: 0000000000000005 [ 398.664070][ T3771] RBP: 00007faa223571d0 R08: 0000000000000000 R09: 0000000000000000 [ 398.672742][ T3771] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 398.681278][ T3771] R13: 00007ffee5f44ccf R14: 00007faa22357300 R15: 0000000000022000 [ 398.690928][ T3773] CPU: 1 PID: 3773 Comm: syz-executor.1 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 398.701705][ T3773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 398.712369][ T3773] Call Trace: [ 398.716046][ T3773] dump_stack_lvl+0x1e2/0x24b [ 398.721421][ T3773] ? panic+0x7d7/0x7d7 [ 398.725918][ T3773] ? bfq_pos_tree_add_move+0x43e/0x43e [ 398.731726][ T3773] ? find_next_bit+0xd6/0x120 [ 398.736482][ T3773] ? cpumask_next+0x11/0x30 [ 398.741186][ T3773] dump_stack+0x15/0x17 [ 398.745497][ T3773] should_fail+0x3c0/0x510 [ 398.750330][ T3773] ? percpu_ref_init+0xd0/0x340 [ 398.755259][ T3773] __should_failslab+0x9f/0xe0 [ 398.760000][ T3773] should_failslab+0x9/0x20 [ 398.764486][ T3773] kmem_cache_alloc_trace+0x3a/0x330 [ 398.769764][ T3773] percpu_ref_init+0xd0/0x340 [ 398.774421][ T3773] ? cgroup_setup_root+0xea0/0xea0 [ 398.779607][ T3773] cgroup_apply_control_enable+0x3a2/0x12f0 [ 398.785483][ T3773] ? cgroup_reconfigure+0xe0/0xe0 [ 398.790655][ T3773] cgroup_apply_control+0x8e/0x7e0 [ 398.796112][ T3773] ? css_next_child+0x160/0x160 [ 398.801131][ T3773] ? io_schedule+0x120/0x120 [ 398.805800][ T3773] ? kernfs_fop_write_iter+0x15e/0x410 [ 398.811250][ T3773] ? __kasan_check_write+0x14/0x20 [ 398.816367][ T3773] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 398.822093][ T3773] cgroup_subtree_control_write+0xd19/0x1310 [ 398.828232][ T3773] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 398.834193][ T3773] ? __kasan_check_write+0x14/0x20 [ 398.839586][ T3773] ? _copy_from_iter+0x3fb/0xd60 [ 398.844512][ T3773] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 398.851136][ T3773] cgroup_file_write+0x28e/0x590 [ 398.856239][ T3773] ? cgroup_seqfile_stop+0xc0/0xc0 [ 398.862063][ T3773] ? mutex_trylock+0x180/0x180 [ 398.867341][ T3773] ? __kasan_check_write+0x14/0x20 [ 398.872599][ T3773] kernfs_fop_write_iter+0x2d0/0x410 [ 398.878220][ T3773] ? cgroup_seqfile_stop+0xc0/0xc0 [ 398.883591][ T3773] vfs_write+0xc4a/0xf80 [ 398.888632][ T3773] ? kernel_write+0x420/0x420 [ 398.893462][ T3773] ? mutex_lock+0xb2/0x1e0 [ 398.897953][ T3773] ? mutex_trylock+0x180/0x180 [ 398.903184][ T3773] ? __fdget_pos+0x26d/0x310 [ 398.908220][ T3773] ? ksys_write+0x77/0x2c0 [ 398.912812][ T3773] ksys_write+0x198/0x2c0 [ 398.917338][ T3773] ? __ia32_sys_read+0x90/0x90 [ 398.922182][ T3773] ? debug_smp_processor_id+0x17/0x20 [ 398.927708][ T3773] __x64_sys_write+0x7b/0x90 [ 398.932457][ T3773] do_syscall_64+0x34/0x70 [ 398.937263][ T3773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 398.943498][ T3773] RIP: 0033:0x7f85191c4049 [ 398.948508][ T3773] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 398.968827][ T3773] RSP: 002b:00007f851913a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 398.977780][ T3773] RAX: ffffffffffffffda RBX: 00007f85192d6f60 RCX: 00007f85191c4049 [ 398.986693][ T3773] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 398.995374][ T3773] RBP: 00007f851913a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.004546][ T3773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 399.013132][ T3773] R13: 00007ffd0d50551f R14: 00007f851913a300 R15: 0000000000022000 [ 399.021613][ T3769] CPU: 0 PID: 3769 Comm: syz-executor.2 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 399.024426][ T3776] FAULT_INJECTION: forcing a failure. [ 399.024426][ T3776] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.032292][ T3769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 399.032297][ T3769] Call Trace: [ 399.032316][ T3769] dump_stack_lvl+0x1e2/0x24b [ 399.032327][ T3769] ? bfq_pos_tree_add_move+0x43e/0x43e [ 399.032337][ T3769] ? vsnprintf+0x1fa/0x1cd0 [ 399.032347][ T3769] dump_stack+0x15/0x17 [ 399.032357][ T3769] should_fail+0x3c0/0x510 [ 399.032366][ T3769] should_fail_usercopy+0x1a/0x20 [ 399.032384][ T3769] _copy_from_user+0x20/0xd0 [ 399.094482][ T3769] kstrtouint_from_user+0xd7/0x2b0 [ 399.101597][ T3769] ? kstrtol_from_user+0x310/0x310 [ 399.106710][ T3769] ? snprintf+0xd6/0x120 [ 399.111188][ T3769] ? avc_policy_seqno+0x1b/0x70 [ 399.116040][ T3769] ? selinux_file_permission+0x2a9/0x520 [ 399.122174][ T3769] proc_fail_nth_write+0xa5/0x290 [ 399.127616][ T3769] ? security_file_permission+0x9d/0xc0 [ 399.133596][ T3769] ? proc_fail_nth_read+0x220/0x220 [ 399.138877][ T3769] ? security_file_permission+0xa8/0xc0 [ 399.144595][ T3769] ? rw_verify_area+0x1c2/0x360 [ 399.149532][ T3769] ? proc_fail_nth_read+0x220/0x220 [ 399.154822][ T3769] vfs_write+0x39b/0xf80 [ 399.159060][ T3769] ? kernel_write+0x420/0x420 [ 399.163738][ T3769] ? __kasan_check_write+0x14/0x20 [ 399.168834][ T3769] ? mutex_lock+0xb2/0x1e0 [ 399.173340][ T3769] ? mutex_trylock+0x180/0x180 [ 399.178179][ T3769] ? __fdget_pos+0x26d/0x310 [ 399.182753][ T3769] ? ksys_write+0x77/0x2c0 [ 399.187150][ T3769] ksys_write+0x198/0x2c0 [ 399.192072][ T3769] ? __kasan_check_write+0x14/0x20 [ 399.197254][ T3769] ? __ia32_sys_read+0x90/0x90 [ 399.202004][ T3769] ? debug_smp_processor_id+0x17/0x20 [ 399.207634][ T3769] __x64_sys_write+0x7b/0x90 [ 399.212375][ T3769] do_syscall_64+0x34/0x70 [ 399.216987][ T3769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 399.224027][ T3769] RIP: 0033:0x7f6ebe0d0b5f [ 399.228731][ T3769] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 399.249119][ T3769] RSP: 002b:00007f6ebe094160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 399.257796][ T3769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ebe0d0b5f [ 399.266470][ T3769] RDX: 0000000000000001 RSI: 00007f6ebe0941e0 RDI: 0000000000000005 [ 399.274861][ T3769] RBP: 00007f6ebe0941d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.283164][ T3769] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 399.291359][ T3769] R13: 00007ffd48f8c5bf R14: 00007f6ebe094300 R15: 0000000000022000 [ 399.299603][ T3776] CPU: 1 PID: 3776 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 399.310131][ T3776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 399.320295][ T3776] Call Trace: [ 399.323590][ T3776] dump_stack_lvl+0x1e2/0x24b [ 399.328639][ T3776] ? bfq_pos_tree_add_move+0x43e/0x43e [ 399.334300][ T3776] ? vsnprintf+0x1fa/0x1cd0 [ 399.338976][ T3776] dump_stack+0x15/0x17 [ 399.343295][ T3776] should_fail+0x3c0/0x510 [ 399.347696][ T3776] should_fail_usercopy+0x1a/0x20 [ 399.352890][ T3776] _copy_from_user+0x20/0xd0 [ 399.357607][ T3776] kstrtouint_from_user+0xd7/0x2b0 [ 399.363227][ T3776] ? kstrtol_from_user+0x310/0x310 [ 399.368802][ T3776] ? snprintf+0xd6/0x120 [ 399.373128][ T3776] ? avc_policy_seqno+0x1b/0x70 [ 399.378045][ T3776] ? selinux_file_permission+0x2a9/0x520 [ 399.383794][ T3776] proc_fail_nth_write+0xa5/0x290 [ 399.389413][ T3776] ? security_file_permission+0x9d/0xc0 [ 399.395031][ T3776] ? proc_fail_nth_read+0x220/0x220 [ 399.400392][ T3776] ? security_file_permission+0xa8/0xc0 [ 399.406310][ T3776] ? rw_verify_area+0x1c2/0x360 [ 399.411573][ T3776] ? proc_fail_nth_read+0x220/0x220 [ 399.416990][ T3776] vfs_write+0x39b/0xf80 [ 399.421431][ T3776] ? kernel_write+0x420/0x420 [ 399.426099][ T3776] ? __kasan_check_write+0x14/0x20 [ 399.431460][ T3776] ? mutex_lock+0xb2/0x1e0 [ 399.436297][ T3776] ? mutex_trylock+0x180/0x180 [ 399.441148][ T3776] ? __fdget_pos+0x26d/0x310 [ 399.446007][ T3776] ? ksys_write+0x77/0x2c0 [ 399.450450][ T3776] ksys_write+0x198/0x2c0 [ 399.455061][ T3776] ? __kasan_check_write+0x14/0x20 [ 399.460262][ T3776] ? __ia32_sys_read+0x90/0x90 [ 399.465016][ T3776] ? debug_smp_processor_id+0x17/0x20 [ 399.470646][ T3776] __x64_sys_write+0x7b/0x90 [ 399.475319][ T3776] do_syscall_64+0x34/0x70 [ 399.479720][ T3776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 399.486213][ T3776] RIP: 0033:0x7f7d1c31ab5f [ 399.490622][ T3776] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 399.510812][ T3776] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 399.519496][ T3776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 399.527981][ T3776] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 399.535940][ T3776] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.544239][ T3776] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 399.552537][ T3776] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 399.564160][ T3777] FAULT_INJECTION: forcing a failure. [ 399.564160][ T3777] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.584369][ T3781] FAULT_INJECTION: forcing a failure. [ 399.584369][ T3781] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.587455][ T3784] FAULT_INJECTION: forcing a failure. [ 399.587455][ T3784] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.601843][ T3786] FAULT_INJECTION: forcing a failure. [ 399.601843][ T3786] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.611391][ T3784] CPU: 1 PID: 3784 Comm: syz-executor.4 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 399.635802][ T3784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 399.645946][ T3784] Call Trace: [ 399.649504][ T3784] dump_stack_lvl+0x1e2/0x24b [ 399.654226][ T3784] ? bfq_pos_tree_add_move+0x43e/0x43e [ 399.659758][ T3784] ? vsnprintf+0x1fa/0x1cd0 [ 399.664250][ T3784] dump_stack+0x15/0x17 [ 399.668422][ T3784] should_fail+0x3c0/0x510 [ 399.672998][ T3784] should_fail_usercopy+0x1a/0x20 [ 399.678199][ T3784] _copy_from_user+0x20/0xd0 [ 399.682770][ T3784] kstrtouint_from_user+0xd7/0x2b0 [ 399.688077][ T3784] ? kstrtol_from_user+0x310/0x310 [ 399.693183][ T3784] ? snprintf+0xd6/0x120 [ 399.697412][ T3784] ? avc_policy_seqno+0x1b/0x70 [ 399.702529][ T3784] ? selinux_file_permission+0x2a9/0x520 [ 399.709815][ T3784] proc_fail_nth_write+0xa5/0x290 [ 399.714929][ T3784] ? security_file_permission+0x9d/0xc0 [ 399.716746][ T3788] FAULT_INJECTION: forcing a failure. [ 399.716746][ T3788] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.720469][ T3784] ? proc_fail_nth_read+0x220/0x220 [ 399.738985][ T3784] ? security_file_permission+0xa8/0xc0 [ 399.744516][ T3784] ? rw_verify_area+0x1c2/0x360 [ 399.749455][ T3784] ? proc_fail_nth_read+0x220/0x220 [ 399.754646][ T3784] vfs_write+0x39b/0xf80 [ 399.758985][ T3784] ? kernel_write+0x420/0x420 [ 399.764829][ T3784] ? __kasan_check_write+0x14/0x20 [ 399.770028][ T3784] ? mutex_lock+0xb2/0x1e0 [ 399.774526][ T3784] ? mutex_trylock+0x180/0x180 [ 399.779379][ T3784] ? __fdget_pos+0x26d/0x310 [ 399.784301][ T3784] ? ksys_write+0x77/0x2c0 [ 399.788792][ T3784] ksys_write+0x198/0x2c0 [ 399.793597][ T3784] ? __ia32_sys_read+0x90/0x90 [ 399.798520][ T3784] ? debug_smp_processor_id+0x17/0x20 [ 399.803894][ T3784] __x64_sys_write+0x7b/0x90 [ 399.808484][ T3784] do_syscall_64+0x34/0x70 [ 399.812919][ T3784] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 399.818806][ T3784] RIP: 0033:0x7f7d1c31ab5f [ 399.823208][ T3784] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 399.843493][ T3784] RSP: 002b:00007f7d1c2de160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 399.852330][ T3784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d1c31ab5f [ 399.860473][ T3784] RDX: 0000000000000001 RSI: 00007f7d1c2de1e0 RDI: 0000000000000005 [ 399.868883][ T3784] RBP: 00007f7d1c2de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.877039][ T3784] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 399.886134][ T3784] R13: 00007ffe4f8caa2f R14: 00007f7d1c2de300 R15: 0000000000022000 [ 399.894907][ T3781] CPU: 0 PID: 3781 Comm: syz-executor.3 Not tainted 5.10.138-syzkaller-987204-g7a3ca8147f1c #0 [ 399.904821][ T3790] FAULT_INJECTION: forcing a failure. [ 399.904821][ T3790] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 399.905582][ T3781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 399.905586][ T3781] Call Trace: [ 399.905604][ T3781] dump_stack_lvl+0x1e2/0x24b [ 399.905623][ T3781] ? bfq_pos_tree_add_move+0x43e/0x43e [ 399.943976][ T3781] ? vsnprintf+0x1fa/0x1cd0 [ 399.946646][ T3791] FAULT_INJECTION: forcing a failure. [ 399.946646][ T3791] name failslab, interval 1, probability 0, space 0, times 0 [ 399.948589][ T3781] dump_stack+0x15/0x17 [ 399.948607][ T3781] should_fail+0x3c0/0x510 [ 399.970064][ T3781] should_fail_usercopy+0x1a/0x20 [ 399.975080][ T3781] _copy_from_user+0x20/0xd0 [ 399.979782][ T3781] kstrtouint_from_user+0xd7/0x2b0 [ 399.985091][ T3781] ? kstrtol_from_user+0x310/0x310 [ 399.990358][ T3781] ? snprintf+0xd6/0x120 [ 399.994668][ T3781] ? avc_policy_seqno+0x1b/0x70 [ 399.999528][ T3781] ? selinux_file_permission+0x2a9/0x520 [ 400.005144][ T3781] proc_fail_nth_write+0xa5/0x290 [ 400.010207][ T3781] ? security_file_permission+0x9d/0xc0 [ 400.016601][ T3781] ? proc_fail_nth_read+0x220/0x220 [ 400.022126][ T3781] ? security_file_permission+0xa8/0xc0 [ 400.027880][ T3781] ? rw_verify_area+0x1c2/0x360 [ 400.032910][ T3781] ? proc_fail_nth_read+0x220/0x220 [ 400.038100][ T3781] vfs_write+0x39b/0xf80 [ 400.042439][ T3781] ? kernel_write+0x420/0x420 [ 400.047391][ T3781] ? __kasan_check_write+0x14/0x20 [ 400.052689][ T3781] ? mutex_lock+0xb2/0x1e0 [ 400.057287][ T3781] ? mutex_trylock+0x180/0x180 [ 400.062617][ T3781] ? __fdget_pos+0x26d/0x310 [ 400.067645][ T3781] ? ksys_write+0x77/0x2c0 [ 400.072408][ T3781] ksys_write+0x198/0x2c0 [ 400.076829][ T3781] ? __ia32_sys_read+0x90/0x90 [ 400.081674][ T3781] ? debug_smp_processor_id+0x17/0x20 [ 400.087124][ T3781] __x64_sys_write+0x7b/0x90 [ 400.091730][ T3781] do_syscall_64+0x34/0x70 [ 400.096313][ T3781] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 400.102844][ T3781] RIP: 0033:0x7f022ab05b5f [ 400.107353][ T3781] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 400.127674][ T3781] RSP: 002b:00007f022aac9160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001