[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. syzkaller login: [ 35.436195] FAULT_INJECTION: forcing a failure. [ 35.436195] name failslab, interval 1, probability 0, space 0, times 1 [ 35.447601] CPU: 0 PID: 8118 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 35.455481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.464831] Call Trace: [ 35.467413] dump_stack+0x1fc/0x2fe [ 35.471038] should_fail.cold+0xa/0x14 [ 35.474920] ? setup_fault_attr+0x200/0x200 [ 35.479234] ? lock_acquire+0x170/0x3c0 [ 35.483216] __should_failslab+0x115/0x180 [ 35.487449] should_failslab+0x5/0xf [ 35.491160] kmem_cache_alloc_trace+0x284/0x380 [ 35.495816] debugfs_file_get+0x240/0x430 [ 35.499958] ? debugfs_atomic_t_get+0x80/0x80 [ 35.504440] ? lock_downgrade+0x720/0x720 [ 35.508587] ? lockref_get+0x11/0x50 [ 35.512288] open_proxy_open+0x44/0x2d0 [ 35.516267] do_dentry_open+0x4aa/0x1160 [ 35.520336] ? full_proxy_release+0x2c0/0x2c0 [ 35.524817] ? inode_permission.part.0+0x10c/0x450 [ 35.529754] ? chown_common+0x550/0x550 [ 35.533711] ? inode_permission+0x3d/0x140 [ 35.537964] path_openat+0x793/0x2df0 [ 35.541763] ? path_lookupat+0x8d0/0x8d0 [ 35.545818] ? mark_held_locks+0xf0/0xf0 [ 35.549858] ? __lock_acquire+0x6de/0x3ff0 [ 35.554081] do_filp_open+0x18c/0x3f0 [ 35.557882] ? may_open_dev+0xf0/0xf0 [ 35.561669] ? lock_downgrade+0x720/0x720 [ 35.565795] ? lock_acquire+0x170/0x3c0 [ 35.569792] ? __alloc_fd+0x34/0x570 [ 35.573493] ? do_raw_spin_unlock+0x171/0x230 [ 35.577977] ? _raw_spin_unlock+0x29/0x40 [ 35.582106] ? __alloc_fd+0x28d/0x570 [ 35.585920] do_sys_open+0x3b3/0x520 [ 35.589632] ? filp_open+0x70/0x70 [ 35.593174] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.598543] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.603554] ? do_syscall_64+0x21/0x620 [ 35.607525] do_syscall_64+0xf9/0x620 [ 35.611313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.616496] RIP: 0033:0x4021b0 [ 35.619681] Code: 48 83 c4 08 48 3d 01 f0 ff ff 0f 83 ba 0b 00 00 c3 66 0f 1f 84 00 00 00 00 00 83 3d 7d a5 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 35.638572] RSP: 002b:00007ffcf68f09b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 35.646272] RAX: ffffffffffffffda RBX: 00007ffcf68f09e1 RCX: 00000000004021b0 [ 35.653546] RDX: 00007ffcf68f09e6 RSI: 0000000000080001 RDI: 00000000004a9780 [ 35.660827] RBP: 00007ffcf68f09e0 R08: 0000000000000000 R09: 0000000000000001 [ 35.668104] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a9780 [ 35.675363] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.705710] IPVS: ftp: loaded support on port[0] = 21 [ 35.720649] IPVS: ftp: loaded support on port[0] = 21 [ 35.721674] IPVS: ftp: loaded support on port[0] = 21 [ 35.735829] IPVS: ftp: loaded support on port[0] = 21 [ 35.736791] IPVS: ftp: loaded support on port[0] = 21 [ 35.751528] IPVS: ftp: loaded support on port[0] = 21 [ 36.082989] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.113652] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.157225] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.164434] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.178615] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.184776] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.196307] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.204964] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.211416] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.223497] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.240853] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.261676] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.273134] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.293126] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.300810] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.308822] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.316112] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.334333] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.343682] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.356044] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.372324] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.388282] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.396713] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.399417] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.410707] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.412704] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.418039] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.419445] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.441120] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.448677] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 36.456897] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.457023] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.469737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.477045] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.483933] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.511372] FAULT_INJECTION: forcing a failure. [ 36.511372] name failslab, interval 1, probability 0, space 0, times 0 [ 36.523036] CPU: 1 PID: 8366 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 36.523165] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.530940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.530978] Call Trace: [ 36.531002] dump_stack+0x1fc/0x2fe [ 36.531020] should_fail.cold+0xa/0x14 [ 36.531040] ? setup_fault_attr+0x200/0x200 [ 36.560895] ? __es_tree_search.isra.0+0x1af/0x210 [ 36.565847] __should_failslab+0x115/0x180 [ 36.570096] should_failslab+0x5/0xf [ 36.573822] kmem_cache_alloc+0x3f/0x370 [ 36.577896] __es_insert_extent+0x39b/0x13b0 [ 36.582335] ? lock_acquire+0x170/0x3c0 [ 36.586330] ? ext4_es_insert_extent+0x17e/0x5e0 [ 36.591286] ext4_es_insert_extent+0x22e/0x5e0 [ 36.596586] ? lock_downgrade+0x720/0x720 [ 36.600760] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 36.607303] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.612345] ? ext4_es_find_delayed_extent_range+0x7d9/0x9f0 [ 36.618166] ext4_ext_map_blocks+0x2129/0x7390 [ 36.622768] ? __lock_acquire+0x6de/0x3ff0 [ 36.627013] ? __lock_acquire+0x6de/0x3ff0 [ 36.631260] ? mark_held_locks+0xf0/0xf0 [ 36.635332] ? __ext4_handle_dirty_metadata+0x1e0/0x590 [ 36.640794] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 36.645994] ? mark_held_locks+0xf0/0xf0 [ 36.650071] ? ext4_mark_iloc_dirty+0x1af6/0x2b10 [ 36.654933] ? ext4_es_lookup_extent+0x375/0xb60 [ 36.659705] ? check_preemption_disabled+0x41/0x280 [ 36.664739] ? lock_acquire+0x170/0x3c0 [ 36.668753] ? ext4_map_blocks+0x33e/0x1a50 [ 36.673100] ext4_map_blocks+0xd88/0x1a50 [ 36.677266] ? check_preemption_disabled+0x41/0x280 [ 36.682305] ? ext4_issue_zeroout+0x160/0x160 [ 36.686813] ? __brelse+0x84/0xa0 [ 36.688823] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.690269] ? __ext4_new_inode+0x2eb/0x5a20 [ 36.690294] ext4_getblk+0xad/0x4f0 [ 36.690310] ? ext4_iomap_begin+0xe00/0xe00 [ 36.690326] ? ext4_free_inode+0x1780/0x1780 [ 36.698935] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.701858] ? debug_check_no_obj_freed+0x201/0x482 [ 36.701872] ? __dquot_initialize+0x298/0xb70 [ 36.701892] ext4_bread+0x7c/0x210 [ 36.701909] ? ext4_getblk+0x4f0/0x4f0 [ 36.707208] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.709934] ? dquot_initialize_needed+0x290/0x290 [ 36.709952] ? trace_hardirqs_off+0x64/0x200 [ 36.709971] ext4_append+0x155/0x370 [ 36.709988] ext4_mkdir+0x5bd/0xdc0 [ 36.728094] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.730452] ? ext4_init_dot_dotdot+0x600/0x600 [ 36.730471] ? generic_permission+0x116/0x4d0 [ 36.730493] ? inode_permission.part.0+0x10c/0x450 [ 36.738770] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.744403] vfs_mkdir+0x508/0x7a0 [ 36.744423] do_mkdirat+0x262/0x2d0 [ 36.744441] ? __ia32_sys_mknod+0x120/0x120 [ 36.744457] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.744475] ? do_syscall_64+0x21/0x620 executing program executing program executing program [ 36.772996] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.777740] do_syscall_64+0xf9/0x620 [ 36.777759] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.777772] RIP: 0033:0x445987 [ 36.777785] Code: ff ff ff ff c3 66 0f 1f 44 00 00 48 c7 c0 d0 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 bd d3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.777792] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 36.777803] RAX: ffffffffffffffda RBX: 00007ffcf68f0da0 RCX: 0000000000445987 [ 36.777810] RDX: 0000000080808000 RSI: 00000000000001ff RDI: 0000000020000100 [ 36.777817] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 36.777824] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000000000 [ 36.777838] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 36.813949] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.830294] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.830305] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.831503] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 [ 36.917600] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.929812] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program [ 36.961595] FAULT_INJECTION: forcing a failure. [ 36.961595] name failslab, interval 1, probability 0, space 0, times 0 [ 36.970623] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.977505] FAULT_INJECTION: forcing a failure. [ 36.977505] name failslab, interval 1, probability 0, space 0, times 0 [ 36.992647] FAULT_INJECTION: forcing a failure. [ 36.992647] name failslab, interval 1, probability 0, space 0, times 0 [ 36.997958] in_atomic(): 0, irqs_disabled(): 0, pid: 23, name: kworker/u4:1 executing program [ 37.020723] FAULT_INJECTION: forcing a failure. [ 37.020723] name failslab, interval 1, probability 0, space 0, times 0 [ 37.023715] CPU: 0 PID: 8379 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 37.034336] FAULT_INJECTION: forcing a failure. [ 37.034336] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 37.045431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.045438] Call Trace: [ 37.045469] dump_stack+0x1fc/0x2fe [ 37.045487] should_fail.cold+0xa/0x14 [ 37.045501] ? setup_fault_attr+0x200/0x200 [ 37.045516] ? check_preemption_disabled+0x41/0x280 [ 37.045532] __should_failslab+0x115/0x180 [ 37.045544] should_failslab+0x5/0xf [ 37.045555] kmem_cache_alloc+0x3f/0x370 [ 37.045578] __debug_object_init+0x6d9/0x9b0 [ 37.045593] ? lock_downgrade+0x720/0x720 [ 37.108564] ? debug_object_destroy+0x240/0x240 [ 37.113250] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.118375] debug_object_activate+0x382/0x450 [ 37.123078] ? lock_acquire+0x170/0x3c0 [ 37.127245] ? debug_object_assert_init+0x2e0/0x2e0 [ 37.132363] ? do_coredump+0x1504/0x2d55 [ 37.136700] ? profiling_store+0xd0/0xd0 [ 37.140773] __call_rcu.constprop.0+0x31/0x7f0 [ 37.145374] ? _raw_spin_unlock_irq+0x24/0x80 [ 37.149904] __put_cred+0x1ca/0x250 [ 37.153543] do_coredump+0x49d/0x2d55 [ 37.157533] ? trace_hardirqs_off+0x64/0x200 [ 37.162229] ? get_signal+0xc70/0x1f70 [ 37.166224] ? cn_esc_printf+0x520/0x520 [ 37.170395] ? try_to_wake_up+0x7b/0x1050 [ 37.174567] ? trace_hardirqs_off+0x64/0x200 [ 37.179096] ? debug_check_no_obj_freed+0x201/0x482 [ 37.184310] ? lock_downgrade+0x720/0x720 [ 37.188481] ? trace_hardirqs_off+0x64/0x200 [ 37.192916] ? _raw_spin_unlock_irq+0x24/0x80 [ 37.197426] get_signal+0xed9/0x1f70 [ 37.201254] do_signal+0x8f/0x1670 [ 37.204995] ? setup_sigcontext+0x820/0x820 [ 37.209428] ? lock_downgrade+0x720/0x720 [ 37.213628] ? __do_page_fault+0x180/0xd60 [ 37.217910] ? exit_to_usermode_loop+0x36/0x2a0 [ 37.222861] exit_to_usermode_loop+0x204/0x2a0 [ 37.227730] prepare_exit_to_usermode+0x277/0x2d0 [ 37.232609] ? page_fault+0x8/0x30 [ 37.236249] retint_user+0x8/0x18 [ 37.239705] RIP: 0033:0x43031a [ 37.243012] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 37.263644] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 37.269221] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 37.278354] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 37.286179] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 37.293467] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 37.300954] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 37.308541] CPU: 1 PID: 8386 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 37.316286] 4 locks held by kworker/u4:1/23: [ 37.317765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.317770] Call Trace: [ 37.317793] dump_stack+0x1fc/0x2fe [ 37.317814] should_fail.cold+0xa/0x14 [ 37.317829] ? setup_fault_attr+0x200/0x200 [ 37.317846] ? __lock_acquire+0x6de/0x3ff0 [ 37.324569] FAULT_INJECTION: forcing a failure. [ 37.324569] name failslab, interval 1, probability 0, space 0, times 0 [ 37.331994] __alloc_pages_nodemask+0x239/0x2890 [ 37.332012] ? lock_downgrade+0x720/0x720 [ 37.332028] ? mark_held_locks+0xf0/0xf0 [ 37.332047] ? _raw_spin_unlock_irq+0x5a/0x80 [ 37.332059] ? finish_task_switch+0x118/0x780 [ 37.332076] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 37.332086] ? mark_held_locks+0xf0/0xf0 [ 37.332105] ? lock_acquire+0x170/0x3c0 [ 37.335948] #0: 00000000b6930386 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 [ 37.338421] ? mem_cgroup_reset+0x200/0x200 [ 37.338435] ? __unlock_page_memcg+0x4f/0x100 [ 37.338457] alloc_pages_current+0x193/0x2a0 [ 37.338475] __get_free_pages+0x8/0x40 [ 37.338487] __tlb_remove_page_size+0x2a2/0x470 [ 37.338503] unmap_page_range+0x1360/0x2a70 [ 37.338531] ? lock_downgrade+0x720/0x720 [ 37.354848] #1: 000000002427562e ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 [ 37.362298] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 37.362317] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.362331] ? uprobe_munmap+0x2d/0x4d0 [ 37.362347] unmap_single_vma+0x198/0x300 [ 37.362364] unmap_vmas+0xa9/0x180 [ 37.362380] exit_mmap+0x2b9/0x530 [ 37.362394] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 37.362426] ? __khugepaged_exit+0x2a6/0x3e0 [ 37.424619] #2: 0000000086b777ff (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 [ 37.428184] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.428200] ? kmem_cache_free+0x226/0x260 [ 37.428217] ? __khugepaged_exit+0x2c7/0x3e0 [ 37.428234] mmput+0x14e/0x4a0 [ 37.428247] do_exit+0xaf0/0x2be0 [ 37.428265] ? mm_update_next_owner+0x650/0x650 [ 37.428290] do_group_exit+0x125/0x310 [ 37.453609] #3: 000000000a5100c1 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 [ 37.456146] get_signal+0x3f2/0x1f70 [ 37.456175] do_signal+0x8f/0x1670 [ 37.456194] ? setup_sigcontext+0x820/0x820 [ 37.456210] ? lock_downgrade+0x720/0x720 [ 37.456236] ? __do_page_fault+0x180/0xd60 [ 37.456253] ? exit_to_usermode_loop+0x36/0x2a0 [ 37.482742] Preemption disabled at: [ 37.482764] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 [ 37.487066] exit_to_usermode_loop+0x204/0x2a0 [ 37.487085] prepare_exit_to_usermode+0x277/0x2d0 [ 37.487100] ? page_fault+0x8/0x30 [ 37.487110] retint_user+0x8/0x18 [ 37.487121] RIP: 0033:0x43031a [ 37.487135] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 37.487142] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 37.487152] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 37.487169] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 37.631780] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 37.639757] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 37.647826] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 37.655215] CPU: 0 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.159-syzkaller #0 [ 37.662782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.672519] Workqueue: phy3 ieee80211_iface_work [ 37.677278] Call Trace: [ 37.679874] dump_stack+0x1fc/0x2fe [ 37.683520] ? rcu_lockdep_current_cpu_online+0x32/0x1b0 [ 37.689249] ___might_sleep.cold+0x235/0x250 [ 37.694193] sta_info_move_state+0x32/0x900 [ 37.698543] sta_info_free+0x55/0x390 [ 37.702382] sta_info_insert_rcu+0x517/0x2310 [ 37.707071] ? __local_bh_enable_ip+0x159/0x270 [ 37.711751] ? check_preemption_disabled+0x41/0x280 [ 37.716785] ? minstrel_ht_rate_update+0x40/0x40 [ 37.721568] ? rate_control_rate_init+0x2fa/0x4f0 [ 37.726601] ieee80211_ibss_finish_sta+0x25b/0x360 [ 37.731552] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 37.736725] ? mark_held_locks+0xa6/0xf0 [ 37.740799] ? __local_bh_enable_ip+0x159/0x270 [ 37.745669] ieee80211_ibss_work+0x2b6/0xe10 [ 37.750182] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 37.755924] ? mark_held_locks+0xa6/0xf0 [ 37.760025] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.765600] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.770308] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.775964] ieee80211_iface_work+0x7ba/0x8a0 [ 37.780484] process_one_work+0x864/0x1570 [ 37.785016] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 37.789733] worker_thread+0x64c/0x1130 [ 37.793738] ? process_one_work+0x1570/0x1570 [ 37.798524] kthread+0x33f/0x460 [ 37.802021] ? kthread_park+0x180/0x180 [ 37.806001] ret_from_fork+0x24/0x30 [ 37.809752] CPU: 1 PID: 8385 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 37.817748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.827107] Call Trace: [ 37.829759] dump_stack+0x1fc/0x2fe [ 37.833426] should_fail.cold+0xa/0x14 [ 37.837507] ? setup_fault_attr+0x200/0x200 [ 37.841854] ? check_preemption_disabled+0x41/0x280 [ 37.846903] __should_failslab+0x115/0x180 [ 37.851147] should_failslab+0x5/0xf [ 37.855167] kmem_cache_alloc+0x3f/0x370 [ 37.859491] __debug_object_init+0x6d9/0x9b0 [ 37.863947] ? lock_downgrade+0x720/0x720 [ 37.868394] ? debug_object_destroy+0x240/0x240 [ 37.874579] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.880671] debug_object_activate+0x382/0x450 [ 37.885523] ? lock_acquire+0x170/0x3c0 [ 37.889763] ? debug_object_assert_init+0x2e0/0x2e0 [ 37.894790] ? do_coredump+0x1504/0x2d55 [ 37.898863] ? profiling_store+0xd0/0xd0 [ 37.902926] __call_rcu.constprop.0+0x31/0x7f0 [ 37.907525] ? _raw_spin_unlock_irq+0x24/0x80 [ 37.912033] __put_cred+0x1ca/0x250 [ 37.915759] do_coredump+0x49d/0x2d55 [ 37.919564] ? trace_hardirqs_off+0x64/0x200 [ 37.924123] ? get_signal+0xc70/0x1f70 [ 37.928018] ? cn_esc_printf+0x520/0x520 [ 37.932085] ? try_to_wake_up+0x7b/0x1050 [ 37.936355] ? trace_hardirqs_off+0x64/0x200 [ 37.940766] ? debug_check_no_obj_freed+0x201/0x482 [ 37.945813] ? lock_downgrade+0x720/0x720 [ 37.949974] ? trace_hardirqs_off+0x64/0x200 [ 37.954400] ? _raw_spin_unlock_irq+0x24/0x80 [ 37.958900] get_signal+0xed9/0x1f70 [ 37.962642] do_signal+0x8f/0x1670 [ 37.966188] ? setup_sigcontext+0x820/0x820 [ 37.970521] ? lock_downgrade+0x720/0x720 [ 37.974725] ? __do_page_fault+0x180/0xd60 [ 37.979533] ? exit_to_usermode_loop+0x36/0x2a0 [ 37.984400] exit_to_usermode_loop+0x204/0x2a0 [ 37.989189] prepare_exit_to_usermode+0x277/0x2d0 [ 37.994143] ? page_fault+0x8/0x30 [ 37.997704] retint_user+0x8/0x18 [ 38.001245] RIP: 0033:0x43031a [ 38.004465] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 38.023582] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 38.028994] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 38.036554] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 38.043830] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 38.051128] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 38.058410] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 38.065918] CPU: 0 PID: 8387 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 38.073996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.083387] Call Trace: [ 38.086016] dump_stack+0x1fc/0x2fe [ 38.089657] should_fail.cold+0xa/0x14 [ 38.093554] ? setup_fault_attr+0x200/0x200 [ 38.097886] ? check_preemption_disabled+0x41/0x280 [ 38.102943] __should_failslab+0x115/0x180 [ 38.107229] should_failslab+0x5/0xf [ 38.111069] kmem_cache_alloc+0x3f/0x370 [ 38.116201] __debug_object_init+0x6d9/0x9b0 [ 38.120659] ? lock_downgrade+0x720/0x720 [ 38.124826] ? debug_object_destroy+0x240/0x240 [ 38.129862] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.135786] debug_object_activate+0x382/0x450 [ 38.140462] ? lock_acquire+0x170/0x3c0 [ 38.144464] ? debug_object_assert_init+0x2e0/0x2e0 [ 38.149513] ? do_coredump+0x1504/0x2d55 [ 38.153598] ? profiling_store+0xd0/0xd0 [ 38.158458] __call_rcu.constprop.0+0x31/0x7f0 [ 38.163067] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.167873] __put_cred+0x1ca/0x250 [ 38.171504] do_coredump+0x49d/0x2d55 [ 38.175447] ? trace_hardirqs_off+0x64/0x200 [ 38.179883] ? get_signal+0xc70/0x1f70 [ 38.183806] ? cn_esc_printf+0x520/0x520 [ 38.188138] ? try_to_wake_up+0x7b/0x1050 [ 38.192313] ? trace_hardirqs_off+0x64/0x200 [ 38.197168] ? debug_check_no_obj_freed+0x201/0x482 [ 38.202391] ? lock_downgrade+0x720/0x720 [ 38.206570] ? trace_hardirqs_off+0x64/0x200 [ 38.211024] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.215641] get_signal+0xed9/0x1f70 [ 38.219379] do_signal+0x8f/0x1670 [ 38.222953] ? setup_sigcontext+0x820/0x820 [ 38.227371] ? lock_downgrade+0x720/0x720 [ 38.231720] ? __do_page_fault+0x180/0xd60 [ 38.236325] ? exit_to_usermode_loop+0x36/0x2a0 [ 38.241032] exit_to_usermode_loop+0x204/0x2a0 [ 38.246506] prepare_exit_to_usermode+0x277/0x2d0 [ 38.251625] ? page_fault+0x8/0x30 [ 38.256139] retint_user+0x8/0x18 [ 38.259601] RIP: 0033:0x43031a [ 38.262802] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 38.282413] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 38.287972] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 38.296362] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 38.303817] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 38.312004] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 38.319282] R13: 0000000000008e8a R14: 000000000000000d R15: 0000000000000005 [ 38.327008] CPU: 1 PID: 8377 Comm: syz-executor803 Not tainted 4.19.159-syzkaller #0 [ 38.335433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.344887] Call Trace: [ 38.347522] dump_stack+0x1fc/0x2fe [ 38.351259] should_fail.cold+0xa/0x14 [ 38.355251] ? setup_fault_attr+0x200/0x200 [ 38.359593] ? check_preemption_disabled+0x41/0x280 [ 38.364624] __should_failslab+0x115/0x180 [ 38.368890] should_failslab+0x5/0xf [ 38.372626] kmem_cache_alloc+0x3f/0x370 [ 38.376885] __debug_object_init+0x6d9/0x9b0 [ 38.381757] ? lock_downgrade+0x720/0x720 [ 38.385916] ? debug_object_destroy+0x240/0x240 [ 38.390613] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.395728] debug_object_activate+0x382/0x450 [ 38.396601] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 [ 38.400315] ? lock_acquire+0x170/0x3c0 [ 38.400329] ? debug_object_assert_init+0x2e0/0x2e0 [ 38.400350] ? do_coredump+0x1504/0x2d55 [ 38.400370] ? profiling_store+0xd0/0xd0 [ 38.400384] __call_rcu.constprop.0+0x31/0x7f0 [ 38.400400] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.400414] __put_cred+0x1ca/0x250 [ 38.400427] do_coredump+0x49d/0x2d55 [ 38.400440] ? trace_hardirqs_off+0x64/0x200 [ 38.400458] ? get_signal+0xc70/0x1f70 [ 38.400474] ? cn_esc_printf+0x520/0x520 [ 38.400487] ? try_to_wake_up+0x7b/0x1050 [ 38.400501] ? trace_hardirqs_off+0x64/0x200 [ 38.400522] ? debug_check_no_obj_freed+0x201/0x482 [ 38.400539] ? lock_downgrade+0x720/0x720 executing program [ 38.400557] ? trace_hardirqs_off+0x64/0x200 [ 38.400586] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.400603] get_signal+0xed9/0x1f70 [ 38.400631] do_signal+0x8f/0x1670 [ 38.400650] ? setup_sigcontext+0x820/0x820 [ 38.400667] ? lock_downgrade+0x720/0x720 [ 38.400695] ? __do_page_fault+0x180/0xd60 [ 38.400714] ? exit_to_usermode_loop+0x36/0x2a0 [ 38.400731] exit_to_usermode_loop+0x204/0x2a0 [ 38.400748] prepare_exit_to_usermode+0x277/0x2d0 [ 38.400761] ? page_fault+0x8/0x30 [ 38.400772] retint_user+0x8/0x18 executing program executing program executing program executing program [ 38.400784] RIP: 0033:0x43031a [ 38.400798] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 38.400806] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 38.400817] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 38.400825] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 38.400834] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 38.400842] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 38.400849] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 38.465491] CPU: 1 PID: 8375 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 38.468711] in_atomic(): 0, irqs_disabled(): 0, pid: 23, name: kworker/u4:1 [ 38.471527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.471533] Call Trace: [ 38.471555] dump_stack+0x1fc/0x2fe [ 38.471573] should_fail.cold+0xa/0x14 [ 38.475809] 4 locks held by kworker/u4:1/23: [ 38.480289] ? setup_fault_attr+0x200/0x200 [ 38.480305] ? trace_hardirqs_off+0x64/0x200 [ 38.480322] ? check_preemption_disabled+0x41/0x280 [ 38.484839] #0: 00000000b6930386 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 [ 38.488504] __should_failslab+0x115/0x180 [ 38.488526] should_failslab+0x5/0xf [ 38.488537] kmem_cache_alloc+0x3f/0x370 [ 38.488558] __debug_object_init+0x6d9/0x9b0 executing program [ 38.492316] #1: 000000002427562e ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 [ 38.496588] ? lock_downgrade+0x720/0x720 [ 38.496601] ? debug_object_destroy+0x240/0x240 [ 38.496619] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.496636] debug_object_activate+0x382/0x450 [ 38.500816] #2: 0000000086b777ff (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 [ 38.505021] ? lock_acquire+0x170/0x3c0 [ 38.505036] ? debug_object_assert_init+0x2e0/0x2e0 [ 38.505055] ? do_coredump+0x1504/0x2d55 [ 38.505072] ? profiling_store+0xd0/0xd0 [ 38.505085] __call_rcu.constprop.0+0x31/0x7f0 [ 38.505101] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.505115] __put_cred+0x1ca/0x250 [ 38.505128] do_coredump+0x49d/0x2d55 [ 38.505142] ? trace_hardirqs_off+0x64/0x200 [ 38.505161] ? get_signal+0xc70/0x1f70 [ 38.505175] ? cn_esc_printf+0x520/0x520 [ 38.505188] ? try_to_wake_up+0x7b/0x1050 [ 38.505204] ? trace_hardirqs_off+0x64/0x200 [ 38.505219] ? debug_check_no_obj_freed+0x201/0x482 [ 38.505236] ? lock_downgrade+0x720/0x720 [ 38.505256] ? trace_hardirqs_off+0x64/0x200 [ 38.505281] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.505296] get_signal+0xed9/0x1f70 [ 38.505320] do_signal+0x8f/0x1670 [ 38.505339] ? setup_sigcontext+0x820/0x820 [ 38.505356] ? lock_downgrade+0x720/0x720 [ 38.505383] ? __do_page_fault+0x180/0xd60 [ 38.505402] ? exit_to_usermode_loop+0x36/0x2a0 [ 38.505419] exit_to_usermode_loop+0x204/0x2a0 [ 38.505435] prepare_exit_to_usermode+0x277/0x2d0 [ 38.505448] ? page_fault+0x8/0x30 [ 38.505460] retint_user+0x8/0x18 [ 38.505472] RIP: 0033:0x43031a [ 38.505486] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 38.505494] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 38.505505] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 38.505521] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 38.505529] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 38.505537] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 38.505545] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000005 [ 38.528211] FAULT_INJECTION: forcing a failure. [ 38.528211] name failslab, interval 1, probability 0, space 0, times 0 [ 38.536255] FAULT_INJECTION: forcing a failure. [ 38.536255] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.562962] FAULT_INJECTION: forcing a failure. [ 38.562962] name failslab, interval 1, probability 0, space 0, times 0 [ 38.570052] CPU: 0 PID: 8397 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 38.570060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.570065] Call Trace: [ 38.570087] dump_stack+0x1fc/0x2fe [ 38.570107] should_fail.cold+0xa/0x14 [ 38.570122] ? setup_fault_attr+0x200/0x200 [ 38.570136] ? __lock_acquire+0x6de/0x3ff0 [ 38.570163] __alloc_pages_nodemask+0x239/0x2890 [ 38.738213] FAULT_INJECTION: forcing a failure. [ 38.738213] name failslab, interval 1, probability 0, space 0, times 0 [ 38.739928] ? mark_held_locks+0xf0/0xf0 [ 38.739951] ? mark_held_locks+0xf0/0xf0 [ 38.739969] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 38.739985] ? mark_held_locks+0xf0/0xf0 [ 38.796099] FAULT_INJECTION: forcing a failure. [ 38.796099] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.798599] ? lock_acquire+0x170/0x3c0 [ 38.798621] ? mem_cgroup_reset+0x200/0x200 [ 39.012379] ? __unlock_page_memcg+0x4f/0x100 [ 39.016910] alloc_pages_current+0x193/0x2a0 [ 39.021341] __get_free_pages+0x8/0x40 [ 39.025230] __tlb_remove_page_size+0x2a2/0x470 [ 39.029903] unmap_page_range+0x1360/0x2a70 [ 39.034245] ? kmem_cache_free+0x7f/0x260 [ 39.038427] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 39.043121] ? do_group_exit+0x125/0x310 [ 39.047275] ? exit_to_usermode_loop+0x204/0x2a0 [ 39.052042] ? prepare_exit_to_usermode+0x277/0x2d0 [ 39.057061] ? retint_user+0x8/0x18 [ 39.060690] ? uprobe_munmap+0x2d/0x4d0 [ 39.064756] ? __lock_acquire+0x6de/0x3ff0 [ 39.069000] unmap_single_vma+0x198/0x300 [ 39.073162] unmap_vmas+0xa9/0x180 [ 39.076703] exit_mmap+0x2b9/0x530 [ 39.080247] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 39.085540] ? __khugepaged_exit+0x2a6/0x3e0 [ 39.089946] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.094960] ? kmem_cache_free+0x226/0x260 [ 39.099292] ? __khugepaged_exit+0x2c7/0x3e0 [ 39.103699] mmput+0x14e/0x4a0 [ 39.106894] do_exit+0xaf0/0x2be0 [ 39.110356] ? mm_update_next_owner+0x650/0x650 [ 39.115049] do_group_exit+0x125/0x310 [ 39.118942] get_signal+0x3f2/0x1f70 [ 39.122676] do_signal+0x8f/0x1670 [ 39.126512] ? setup_sigcontext+0x820/0x820 [ 39.130836] ? lock_downgrade+0x720/0x720 [ 39.134997] ? __do_page_fault+0x180/0xd60 [ 39.139246] ? exit_to_usermode_loop+0x36/0x2a0 [ 39.143917] exit_to_usermode_loop+0x204/0x2a0 [ 39.148500] prepare_exit_to_usermode+0x277/0x2d0 [ 39.153348] ? page_fault+0x8/0x30 [ 39.156884] retint_user+0x8/0x18 [ 39.160681] RIP: 0033:0x43031a [ 39.163875] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 39.182793] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 39.188169] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 39.195528] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 39.202799] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 39.210067] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 39.217353] R13: 0000000000008fad R14: 000000000000000d R15: 0000000000000005 [ 39.224662] CPU: 1 PID: 8399 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 39.233953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.243314] Call Trace: [ 39.245714] FAULT_INJECTION: forcing a failure. [ 39.245714] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 39.245947] dump_stack+0x1fc/0x2fe [ 39.261657] should_fail.cold+0xa/0x14 [ 39.265564] ? kernel_text_address+0xbd/0xf0 [ 39.269991] ? setup_fault_attr+0x200/0x200 [ 39.274335] ? __lock_acquire+0x6de/0x3ff0 [ 39.278611] __alloc_pages_nodemask+0x239/0x2890 [ 39.283390] ? mark_held_locks+0xf0/0xf0 [ 39.287472] ? mark_held_locks+0xf0/0xf0 [ 39.291554] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.296429] ? mark_held_locks+0xf0/0xf0 [ 39.300518] ? lock_acquire+0x170/0x3c0 [ 39.304529] ? mem_cgroup_reset+0x200/0x200 [ 39.308866] ? __unlock_page_memcg+0x4f/0x100 [ 39.313475] alloc_pages_current+0x193/0x2a0 [ 39.317914] __get_free_pages+0x8/0x40 [ 39.321815] __tlb_remove_page_size+0x2a2/0x470 [ 39.326512] unmap_page_range+0x1360/0x2a70 [ 39.330882] ? kmem_cache_free+0x7f/0x260 [ 39.335054] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 39.339560] ? do_group_exit+0x125/0x310 [ 39.343638] ? exit_to_usermode_loop+0x204/0x2a0 [ 39.348603] ? prepare_exit_to_usermode+0x277/0x2d0 [ 39.353648] ? retint_user+0x8/0x18 [ 39.357289] ? uprobe_munmap+0x2d/0x4d0 [ 39.361277] ? __lock_acquire+0x6de/0x3ff0 [ 39.365527] unmap_single_vma+0x198/0x300 [ 39.369700] unmap_vmas+0xa9/0x180 [ 39.373279] exit_mmap+0x2b9/0x530 [ 39.376835] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 39.382141] ? __khugepaged_exit+0x2a6/0x3e0 [ 39.386562] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.391593] ? kmem_cache_free+0x226/0x260 [ 39.395845] ? __khugepaged_exit+0x2c7/0x3e0 [ 39.400268] mmput+0x14e/0x4a0 [ 39.403473] do_exit+0xaf0/0x2be0 [ 39.406943] ? mm_update_next_owner+0x650/0x650 [ 39.411656] do_group_exit+0x125/0x310 [ 39.415559] get_signal+0x3f2/0x1f70 [ 39.419314] do_signal+0x8f/0x1670 [ 39.422870] ? setup_sigcontext+0x820/0x820 [ 39.427230] ? lock_downgrade+0x720/0x720 [ 39.431408] ? __do_page_fault+0x180/0xd60 [ 39.435657] ? exit_to_usermode_loop+0x36/0x2a0 [ 39.440347] exit_to_usermode_loop+0x204/0x2a0 [ 39.444951] prepare_exit_to_usermode+0x277/0x2d0 [ 39.449810] ? page_fault+0x8/0x30 [ 39.453377] retint_user+0x8/0x18 [ 39.456838] RIP: 0033:0x43031a [ 39.460045] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 39.479216] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 39.484590] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 39.491874] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 39.499154] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 39.507041] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 39.514320] R13: 0000000000009089 R14: 000000000000000d R15: 0000000000000005 [ 39.521716] CPU: 0 PID: 8400 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 39.531097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.540490] Call Trace: [ 39.543110] dump_stack+0x1fc/0x2fe [ 39.546751] should_fail.cold+0xa/0x14 [ 39.550655] ? kernel_text_address+0xbd/0xf0 [ 39.555163] ? setup_fault_attr+0x200/0x200 [ 39.559498] ? __lock_acquire+0x6de/0x3ff0 [ 39.563759] __alloc_pages_nodemask+0x239/0x2890 [ 39.568541] ? mark_held_locks+0xf0/0xf0 [ 39.572623] ? mark_held_locks+0xf0/0xf0 [ 39.576736] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.581609] ? mark_held_locks+0xf0/0xf0 [ 39.585695] ? lock_acquire+0x170/0x3c0 [ 39.589684] ? mem_cgroup_reset+0x200/0x200 [ 39.594023] ? __unlock_page_memcg+0x4f/0x100 [ 39.598552] alloc_pages_current+0x193/0x2a0 [ 39.603004] __get_free_pages+0x8/0x40 [ 39.606902] __tlb_remove_page_size+0x2a2/0x470 [ 39.611669] unmap_page_range+0x1360/0x2a70 [ 39.616027] ? kmem_cache_free+0x7f/0x260 [ 39.620190] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 39.622204] #3: 000000000a5100c1 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 [ 39.624689] ? do_group_exit+0x125/0x310 [ 39.624705] ? exit_to_usermode_loop+0x204/0x2a0 [ 39.624717] ? prepare_exit_to_usermode+0x277/0x2d0 [ 39.624728] ? retint_user+0x8/0x18 [ 39.624739] ? uprobe_munmap+0x2d/0x4d0 [ 39.624750] ? __lock_acquire+0x6de/0x3ff0 [ 39.624765] unmap_single_vma+0x198/0x300 [ 39.624780] unmap_vmas+0xa9/0x180 [ 39.624797] exit_mmap+0x2b9/0x530 [ 39.624814] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 39.675945] ? __khugepaged_exit+0x2a6/0x3e0 [ 39.680364] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.685391] ? kmem_cache_free+0x226/0x260 [ 39.689671] ? __khugepaged_exit+0x2c7/0x3e0 [ 39.694119] mmput+0x14e/0x4a0 [ 39.697326] do_exit+0xaf0/0x2be0 [ 39.700793] ? mm_update_next_owner+0x650/0x650 [ 39.705502] do_group_exit+0x125/0x310 [ 39.706166] Preemption disabled at: [ 39.706173] [<0000000000000000>] (null) [ 39.709407] get_signal+0x3f2/0x1f70 [ 39.709436] do_signal+0x8f/0x1670 [ 39.709454] ? setup_sigcontext+0x820/0x820 [ 39.729526] ? lock_downgrade+0x720/0x720 [ 39.733741] ? __do_page_fault+0x180/0xd60 [ 39.738152] ? exit_to_usermode_loop+0x36/0x2a0 [ 39.742849] exit_to_usermode_loop+0x204/0x2a0 [ 39.747447] prepare_exit_to_usermode+0x277/0x2d0 [ 39.752334] ? page_fault+0x8/0x30 [ 39.755881] retint_user+0x8/0x18 [ 39.759339] RIP: 0033:0x43031a [ 39.762538] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 39.781616] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 39.787152] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 39.794431] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 39.801729] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 39.809054] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 39.816346] R13: 0000000000009097 R14: 000000000000000d R15: 0000000000000005 [ 39.823650] CPU: 1 PID: 8407 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 39.833042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.842494] Call Trace: [ 39.845094] dump_stack+0x1fc/0x2fe [ 39.848755] should_fail.cold+0xa/0x14 [ 39.852665] ? setup_fault_attr+0x200/0x200 [ 39.856991] ? check_preemption_disabled+0x41/0x280 [ 39.862035] __should_failslab+0x115/0x180 [ 39.866287] should_failslab+0x5/0xf [ 39.870004] kmem_cache_alloc+0x3f/0x370 [ 39.874074] __debug_object_init+0x6d9/0x9b0 [ 39.878489] ? lock_downgrade+0x720/0x720 [ 39.882641] ? debug_object_destroy+0x240/0x240 [ 39.887330] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 39.892464] debug_object_activate+0x382/0x450 [ 39.897056] ? lock_acquire+0x170/0x3c0 [ 39.901033] ? debug_object_assert_init+0x2e0/0x2e0 [ 39.906861] ? do_coredump+0x1504/0x2d55 [ 39.910949] ? profiling_store+0xd0/0xd0 [ 39.915021] __call_rcu.constprop.0+0x31/0x7f0 [ 39.920161] ? _raw_spin_unlock_irq+0x24/0x80 [ 39.924680] __put_cred+0x1ca/0x250 [ 39.928314] do_coredump+0x49d/0x2d55 [ 39.932119] ? trace_hardirqs_off+0x64/0x200 [ 39.936537] ? get_signal+0xc70/0x1f70 [ 39.940430] ? cn_esc_printf+0x520/0x520 [ 39.944494] ? try_to_wake_up+0x7b/0x1050 [ 39.948652] ? trace_hardirqs_off+0x64/0x200 [ 39.953065] ? debug_check_no_obj_freed+0x201/0x482 [ 39.958099] ? lock_downgrade+0x720/0x720 [ 39.962258] ? trace_hardirqs_off+0x64/0x200 [ 39.966705] ? _raw_spin_unlock_irq+0x24/0x80 [ 39.971208] get_signal+0xed9/0x1f70 [ 39.974956] do_signal+0x8f/0x1670 [ 39.978505] ? setup_sigcontext+0x820/0x820 [ 39.982843] ? lock_downgrade+0x720/0x720 [ 39.987009] ? __do_page_fault+0x180/0xd60 [ 39.991250] ? exit_to_usermode_loop+0x36/0x2a0 [ 39.995929] exit_to_usermode_loop+0x204/0x2a0 [ 40.000515] prepare_exit_to_usermode+0x277/0x2d0 [ 40.005484] ? page_fault+0x8/0x30 [ 40.009025] retint_user+0x8/0x18 [ 40.012497] RIP: 0033:0x43031a [ 40.015690] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 40.034671] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 40.040046] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 40.047334] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 40.054612] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 40.061888] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 40.069173] R13: 0000000000008ecf R14: 000000000000000d R15: 0000000000000005 [ 40.076472] CPU: 0 PID: 8396 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 40.085760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.095118] Call Trace: [ 40.097713] dump_stack+0x1fc/0x2fe [ 40.101352] should_fail.cold+0xa/0x14 [ 40.105250] ? setup_fault_attr+0x200/0x200 [ 40.109579] ? check_preemption_disabled+0x41/0x280 [ 40.114602] __should_failslab+0x115/0x180 [ 40.118845] should_failslab+0x5/0xf [ 40.122567] kmem_cache_alloc+0x3f/0x370 [ 40.126640] __debug_object_init+0x6d9/0x9b0 [ 40.131055] ? lock_downgrade+0x720/0x720 [ 40.135208] ? debug_object_destroy+0x240/0x240 [ 40.139887] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.145023] debug_object_activate+0x382/0x450 [ 40.149705] ? lock_acquire+0x170/0x3c0 [ 40.153690] ? debug_object_assert_init+0x2e0/0x2e0 [ 40.158719] ? do_coredump+0x1504/0x2d55 [ 40.162793] ? profiling_store+0xd0/0xd0 [ 40.166862] __call_rcu.constprop.0+0x31/0x7f0 [ 40.171463] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.175967] __put_cred+0x1ca/0x250 [ 40.179599] do_coredump+0x49d/0x2d55 [ 40.183404] ? trace_hardirqs_off+0x64/0x200 [ 40.187822] ? get_signal+0xc70/0x1f70 [ 40.191740] ? cn_esc_printf+0x520/0x520 [ 40.195803] ? try_to_wake_up+0x7b/0x1050 [ 40.199967] ? trace_hardirqs_off+0x64/0x200 [ 40.204994] ? debug_check_no_obj_freed+0x201/0x482 [ 40.210021] ? lock_downgrade+0x720/0x720 [ 40.214178] ? trace_hardirqs_off+0x64/0x200 [ 40.218611] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.223139] get_signal+0xed9/0x1f70 [ 40.226896] do_signal+0x8f/0x1670 [ 40.230443] ? setup_sigcontext+0x820/0x820 [ 40.234778] ? lock_downgrade+0x720/0x720 [ 40.238942] ? __do_page_fault+0x180/0xd60 [ 40.243186] ? exit_to_usermode_loop+0x36/0x2a0 [ 40.247864] exit_to_usermode_loop+0x204/0x2a0 [ 40.252459] prepare_exit_to_usermode+0x277/0x2d0 [ 40.257333] ? page_fault+0x8/0x30 [ 40.260876] retint_user+0x8/0x18 [ 40.264330] RIP: 0033:0x43031a [ 40.267525] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 40.286430] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 40.291805] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 40.299079] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 40.306349] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 40.313621] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 40.320894] R13: 0000000000009090 R14: 000000000000000d R15: 0000000000000005 executing program executing program executing program [ 40.328189] CPU: 1 PID: 8398 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 40.337478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.342044] FAULT_INJECTION: forcing a failure. [ 40.342044] name failslab, interval 1, probability 0, space 0, times 0 [ 40.346940] Call Trace: [ 40.346967] dump_stack+0x1fc/0x2fe [ 40.346987] should_fail.cold+0xa/0x14 [ 40.347002] ? setup_fault_attr+0x200/0x200 [ 40.347017] ? check_preemption_disabled+0x41/0x280 [ 40.347035] __should_failslab+0x115/0x180 [ 40.347049] should_failslab+0x5/0xf [ 40.347060] kmem_cache_alloc+0x3f/0x370 [ 40.347073] __debug_object_init+0x6d9/0x9b0 [ 40.347090] ? lock_downgrade+0x720/0x720 [ 40.347102] ? debug_object_destroy+0x240/0x240 [ 40.347120] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.347136] debug_object_activate+0x382/0x450 [ 40.347148] ? lock_acquire+0x170/0x3c0 [ 40.347161] ? debug_object_assert_init+0x2e0/0x2e0 [ 40.347181] ? do_coredump+0x1504/0x2d55 [ 40.347202] ? profiling_store+0xd0/0xd0 [ 40.347216] __call_rcu.constprop.0+0x31/0x7f0 [ 40.347232] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.347248] __put_cred+0x1ca/0x250 [ 40.347262] do_coredump+0x49d/0x2d55 [ 40.347276] ? finish_task_switch+0x146/0x780 [ 40.347300] ? cn_esc_printf+0x520/0x520 [ 40.347314] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.347329] ? finish_task_switch+0x146/0x780 [ 40.347341] ? finish_task_switch+0x118/0x780 [ 40.347353] ? switch_mm_irqs_off+0x764/0x1340 [ 40.347371] ? __schedule+0x88f/0x2040 [ 40.347390] ? io_schedule_timeout+0x140/0x140 [ 40.347416] ? ___preempt_schedule+0x16/0x18 [ 40.347436] get_signal+0xed9/0x1f70 [ 40.347461] do_signal+0x8f/0x1670 [ 40.347480] ? setup_sigcontext+0x820/0x820 [ 40.347497] ? lock_downgrade+0x720/0x720 [ 40.347525] ? __do_page_fault+0x180/0xd60 [ 40.347542] ? exit_to_usermode_loop+0x36/0x2a0 [ 40.347559] exit_to_usermode_loop+0x204/0x2a0 [ 40.347576] prepare_exit_to_usermode+0x277/0x2d0 [ 40.347589] ? page_fault+0x8/0x30 [ 40.347600] retint_user+0x8/0x18 [ 40.347612] RIP: 0033:0x43031a [ 40.347626] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 40.347634] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 40.347645] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 40.347653] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 40.347662] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 40.347669] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 40.347677] R13: 0000000000008f72 R14: 000000000000000d R15: 0000000000000005 [ 40.361051] CPU: 1 PID: 23 Comm: kworker/u4:1 Tainted: G W 4.19.159-syzkaller #0 [ 40.376652] FAULT_INJECTION: forcing a failure. [ 40.376652] name failslab, interval 1, probability 0, space 0, times 0 [ 40.378735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.378760] Workqueue: phy3 ieee80211_iface_work [ 40.378775] Call Trace: [ 40.384185] FAULT_INJECTION: forcing a failure. [ 40.384185] name failslab, interval 1, probability 0, space 0, times 0 [ 40.386711] dump_stack+0x1fc/0x2fe [ 40.386729] ___might_sleep.cold+0x235/0x250 [ 40.386747] sta_info_move_state+0x32/0x900 [ 40.652227] sta_info_free+0x55/0x390 [ 40.656042] sta_info_insert_rcu+0x517/0x2310 [ 40.660544] ? __local_bh_enable_ip+0x159/0x270 [ 40.665246] ? check_preemption_disabled+0x41/0x280 [ 40.670269] ? minstrel_ht_rate_update+0x40/0x40 [ 40.675028] ? rate_control_rate_init+0x2fa/0x4f0 [ 40.679878] ieee80211_ibss_finish_sta+0x25b/0x360 [ 40.684811] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 40.689744] ? mark_held_locks+0xa6/0xf0 [ 40.693824] ? __local_bh_enable_ip+0x159/0x270 [ 40.698675] ieee80211_ibss_work+0x2b6/0xe10 [ 40.703101] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 40.708729] ? mark_held_locks+0xa6/0xf0 [ 40.712801] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.717906] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.722490] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 40.727600] ieee80211_iface_work+0x7ba/0x8a0 [ 40.732117] process_one_work+0x864/0x1570 [ 40.736388] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 40.741100] worker_thread+0x64c/0x1130 [ 40.745108] ? process_one_work+0x1570/0x1570 [ 40.749632] kthread+0x33f/0x460 [ 40.753023] ? kthread_park+0x180/0x180 [ 40.757007] ret_from_fork+0x24/0x30 [ 40.760741] CPU: 0 PID: 8413 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 40.770035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.779401] Call Trace: [ 40.782010] dump_stack+0x1fc/0x2fe [ 40.785653] should_fail.cold+0xa/0x14 [ 40.789559] ? setup_fault_attr+0x200/0x200 [ 40.793896] ? check_preemption_disabled+0x41/0x280 [ 40.799114] __should_failslab+0x115/0x180 [ 40.799375] FAULT_INJECTION: forcing a failure. [ 40.799375] name failslab, interval 1, probability 0, space 0, times 0 [ 40.803359] should_failslab+0x5/0xf [ 40.803372] kmem_cache_alloc+0x3f/0x370 [ 40.803389] __debug_object_init+0x6d9/0x9b0 [ 40.803405] ? lock_downgrade+0x720/0x720 [ 40.803425] ? debug_object_destroy+0x240/0x240 [ 40.835709] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.840919] debug_object_activate+0x382/0x450 [ 40.845512] ? lock_acquire+0x170/0x3c0 [ 40.849518] ? debug_object_assert_init+0x2e0/0x2e0 [ 40.854556] ? do_coredump+0x1504/0x2d55 [ 40.858633] ? profiling_store+0xd0/0xd0 [ 40.862704] __call_rcu.constprop.0+0x31/0x7f0 [ 40.867303] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.871837] __put_cred+0x1ca/0x250 [ 40.875490] do_coredump+0x49d/0x2d55 [ 40.879326] ? trace_hardirqs_off+0x64/0x200 [ 40.883749] ? get_signal+0xc70/0x1f70 [ 40.887659] ? cn_esc_printf+0x520/0x520 [ 40.891722] ? try_to_wake_up+0x7b/0x1050 [ 40.895878] ? trace_hardirqs_off+0x64/0x200 [ 40.900299] ? debug_check_no_obj_freed+0x201/0x482 [ 40.905326] ? lock_downgrade+0x720/0x720 [ 40.909489] ? trace_hardirqs_off+0x64/0x200 [ 40.914029] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.918544] get_signal+0xed9/0x1f70 [ 40.922273] do_signal+0x8f/0x1670 [ 40.926810] ? setup_sigcontext+0x820/0x820 [ 40.931145] ? lock_downgrade+0x720/0x720 executing program [ 40.935317] ? __do_page_fault+0x180/0xd60 [ 40.939559] ? exit_to_usermode_loop+0x36/0x2a0 [ 40.944235] exit_to_usermode_loop+0x204/0x2a0 [ 40.950128] prepare_exit_to_usermode+0x277/0x2d0 [ 40.954988] ? page_fault+0x8/0x30 [ 40.958530] retint_user+0x8/0x18 [ 40.962015] RIP: 0033:0x43031a [ 40.965215] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 40.984295] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 40.989666] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 40.997491] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 41.004856] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 41.012224] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 41.019498] R13: 0000000000009680 R14: 000000000000000d R15: 0000000000000005 [ 41.026799] CPU: 1 PID: 8414 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 executing program executing program [ 41.036080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.045447] Call Trace: [ 41.048046] dump_stack+0x1fc/0x2fe [ 41.051736] should_fail.cold+0xa/0x14 [ 41.055641] ? setup_fault_attr+0x200/0x200 [ 41.059979] ? check_preemption_disabled+0x41/0x280 [ 41.065014] __should_failslab+0x115/0x180 [ 41.069259] should_failslab+0x5/0xf [ 41.072979] kmem_cache_alloc+0x3f/0x370 [ 41.073477] FAULT_INJECTION: forcing a failure. [ 41.073477] name failslab, interval 1, probability 0, space 0, times 0 [ 41.077044] __debug_object_init+0x6d9/0x9b0 [ 41.077061] ? lock_downgrade+0x720/0x720 [ 41.077074] ? debug_object_destroy+0x240/0x240 [ 41.077092] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 41.077113] debug_object_activate+0x382/0x450 [ 41.090741] FAULT_INJECTION: forcing a failure. [ 41.090741] name failslab, interval 1, probability 0, space 0, times 0 [ 41.092694] ? lock_acquire+0x170/0x3c0 [ 41.092709] ? debug_object_assert_init+0x2e0/0x2e0 [ 41.092729] ? do_coredump+0x1504/0x2d55 [ 41.135424] ? profiling_store+0xd0/0xd0 [ 41.139493] __call_rcu.constprop.0+0x31/0x7f0 [ 41.144086] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.148591] __put_cred+0x1ca/0x250 [ 41.152221] do_coredump+0x49d/0x2d55 [ 41.156023] ? trace_hardirqs_off+0x64/0x200 [ 41.160441] ? get_signal+0xc70/0x1f70 [ 41.164337] ? cn_esc_printf+0x520/0x520 [ 41.168404] ? try_to_wake_up+0x7b/0x1050 [ 41.172603] ? trace_hardirqs_off+0x64/0x200 [ 41.177021] ? debug_check_no_obj_freed+0x201/0x482 [ 41.182051] ? lock_downgrade+0x720/0x720 [ 41.186212] ? trace_hardirqs_off+0x64/0x200 [ 41.190715] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.195247] get_signal+0xed9/0x1f70 [ 41.199018] do_signal+0x8f/0x1670 [ 41.202592] ? setup_sigcontext+0x820/0x820 [ 41.206942] ? lock_downgrade+0x720/0x720 [ 41.211114] ? __do_page_fault+0x180/0xd60 [ 41.215375] ? exit_to_usermode_loop+0x36/0x2a0 [ 41.220138] exit_to_usermode_loop+0x204/0x2a0 [ 41.224728] prepare_exit_to_usermode+0x277/0x2d0 [ 41.229664] ? page_fault+0x8/0x30 [ 41.233211] retint_user+0x8/0x18 [ 41.236682] RIP: 0033:0x43031a [ 41.239870] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 41.258860] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 41.264248] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 41.271525] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 41.278800] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 41.286075] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 41.293347] R13: 0000000000009671 R14: 000000000000000d R15: 0000000000000005 [ 41.300648] CPU: 0 PID: 8425 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 41.309932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.319291] Call Trace: [ 41.321886] dump_stack+0x1fc/0x2fe [ 41.325542] should_fail.cold+0xa/0x14 [ 41.329444] ? setup_fault_attr+0x200/0x200 [ 41.333775] ? check_preemption_disabled+0x41/0x280 [ 41.338821] __should_failslab+0x115/0x180 [ 41.343074] should_failslab+0x5/0xf [ 41.346795] kmem_cache_alloc+0x3f/0x370 [ 41.350866] __debug_object_init+0x6d9/0x9b0 [ 41.355282] ? lock_downgrade+0x720/0x720 [ 41.359431] ? debug_object_destroy+0x240/0x240 [ 41.364203] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 41.369317] debug_object_activate+0x382/0x450 [ 41.373927] ? lock_acquire+0x170/0x3c0 [ 41.377910] ? debug_object_assert_init+0x2e0/0x2e0 [ 41.382937] ? do_coredump+0x1504/0x2d55 [ 41.387011] ? profiling_store+0xd0/0xd0 [ 41.391079] __call_rcu.constprop.0+0x31/0x7f0 [ 41.395670] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.400171] __put_cred+0x1ca/0x250 [ 41.403807] do_coredump+0x49d/0x2d55 [ 41.407623] ? trace_hardirqs_off+0x64/0x200 [ 41.412043] ? get_signal+0xc70/0x1f70 [ 41.415945] ? cn_esc_printf+0x520/0x520 [ 41.420035] ? try_to_wake_up+0x7b/0x1050 [ 41.424193] ? trace_hardirqs_off+0x64/0x200 [ 41.428610] ? debug_check_no_obj_freed+0x201/0x482 [ 41.433636] ? lock_downgrade+0x720/0x720 [ 41.437795] ? trace_hardirqs_off+0x64/0x200 [ 41.442231] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.446829] get_signal+0xed9/0x1f70 [ 41.450584] do_signal+0x8f/0x1670 [ 41.454132] ? setup_sigcontext+0x820/0x820 [ 41.458473] ? lock_downgrade+0x720/0x720 [ 41.462647] ? __do_page_fault+0x180/0xd60 [ 41.466893] ? exit_to_usermode_loop+0x36/0x2a0 [ 41.471578] exit_to_usermode_loop+0x204/0x2a0 [ 41.476176] prepare_exit_to_usermode+0x277/0x2d0 [ 41.481028] ? page_fault+0x8/0x30 [ 41.484661] retint_user+0x8/0x18 [ 41.488149] RIP: 0033:0x43031a [ 41.491355] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 41.510790] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 41.516515] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 41.524327] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 41.531875] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 41.539702] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 41.547348] R13: 0000000000009d90 R14: 000000000000000d R15: 0000000000000005 [ 41.554746] CPU: 1 PID: 8415 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 41.564653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.574279] Call Trace: [ 41.576888] dump_stack+0x1fc/0x2fe [ 41.580529] should_fail.cold+0xa/0x14 [ 41.584512] ? setup_fault_attr+0x200/0x200 [ 41.588879] __should_failslab+0x115/0x180 [ 41.593209] should_failslab+0x5/0xf [ 41.597130] kmem_cache_alloc+0x3f/0x370 [ 41.601207] __debug_object_init+0x6d9/0x9b0 [ 41.605754] ? lock_downgrade+0x720/0x720 [ 41.609908] ? debug_object_destroy+0x240/0x240 [ 41.614596] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 41.619984] debug_object_activate+0x382/0x450 [ 41.624581] ? debug_object_assert_init+0x2e0/0x2e0 [ 41.629622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.634655] ? do_coredump+0x1504/0x2d55 [ 41.638722] ? profiling_store+0xd0/0xd0 [ 41.642781] __call_rcu.constprop.0+0x31/0x7f0 [ 41.647419] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.652439] __put_cred+0x1ca/0x250 [ 41.656096] do_coredump+0x49d/0x2d55 [ 41.659898] ? trace_hardirqs_off+0x64/0x200 [ 41.664321] ? get_signal+0xc70/0x1f70 [ 41.668350] ? cn_esc_printf+0x520/0x520 [ 41.676162] ? try_to_wake_up+0x7b/0x1050 [ 41.680492] ? trace_hardirqs_off+0x64/0x200 [ 41.684902] ? debug_check_no_obj_freed+0x201/0x482 [ 41.689921] ? lock_downgrade+0x720/0x720 [ 41.694088] ? trace_hardirqs_off+0x64/0x200 [ 41.698510] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.703006] get_signal+0xed9/0x1f70 [ 41.706744] do_signal+0x8f/0x1670 [ 41.710286] ? setup_sigcontext+0x820/0x820 [ 41.714621] ? lock_downgrade+0x720/0x720 [ 41.718777] ? __do_page_fault+0x180/0xd60 [ 41.723014] ? exit_to_usermode_loop+0x36/0x2a0 [ 41.727689] exit_to_usermode_loop+0x204/0x2a0 [ 41.732285] prepare_exit_to_usermode+0x277/0x2d0 [ 41.737126] ? page_fault+0x8/0x30 [ 41.740664] retint_user+0x8/0x18 [ 41.744112] RIP: 0033:0x43031a [ 41.747305] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 41.766646] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 41.772022] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 41.779297] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 41.786577] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 41.793854] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 41.801144] R13: 0000000000009672 R14: 000000000000000d R15: 0000000000000005 [ 41.808434] CPU: 0 PID: 8426 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 41.817719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.827210] Call Trace: [ 41.829810] dump_stack+0x1fc/0x2fe [ 41.833453] should_fail.cold+0xa/0x14 [ 41.837349] ? setup_fault_attr+0x200/0x200 [ 41.841701] ? check_preemption_disabled+0x41/0x280 [ 41.846839] __should_failslab+0x115/0x180 [ 41.851177] should_failslab+0x5/0xf [ 41.854891] kmem_cache_alloc+0x3f/0x370 [ 41.858967] __debug_object_init+0x6d9/0x9b0 [ 41.863386] ? lock_downgrade+0x720/0x720 [ 41.867538] ? debug_object_destroy+0x240/0x240 [ 41.872217] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 41.877419] debug_object_activate+0x382/0x450 [ 41.882023] ? lock_acquire+0x170/0x3c0 [ 41.886000] ? debug_object_assert_init+0x2e0/0x2e0 [ 41.891046] ? do_coredump+0x1504/0x2d55 [ 41.895115] ? profiling_store+0xd0/0xd0 [ 41.899176] __call_rcu.constprop.0+0x31/0x7f0 [ 41.903786] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.908287] __put_cred+0x1ca/0x250 [ 41.911914] do_coredump+0x49d/0x2d55 [ 41.915725] ? trace_hardirqs_off+0x64/0x200 [ 41.920168] ? get_signal+0xc70/0x1f70 [ 41.924064] ? cn_esc_printf+0x520/0x520 [ 41.928126] ? try_to_wake_up+0x7b/0x1050 [ 41.932279] ? trace_hardirqs_off+0x64/0x200 [ 41.936694] ? debug_check_no_obj_freed+0x201/0x482 [ 41.941715] ? lock_downgrade+0x720/0x720 [ 41.945869] ? trace_hardirqs_off+0x64/0x200 [ 41.950294] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.954796] get_signal+0xed9/0x1f70 [ 41.958529] do_signal+0x8f/0x1670 [ 41.962079] ? setup_sigcontext+0x820/0x820 [ 41.966436] ? lock_downgrade+0x720/0x720 [ 41.970604] ? __do_page_fault+0x180/0xd60 [ 41.974846] ? exit_to_usermode_loop+0x36/0x2a0 [ 41.979543] exit_to_usermode_loop+0x204/0x2a0 [ 41.984152] prepare_exit_to_usermode+0x277/0x2d0 [ 41.989008] ? page_fault+0x8/0x30 [ 41.992565] retint_user+0x8/0x18 [ 41.996021] RIP: 0033:0x43031a [ 41.999213] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 42.018142] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 42.023506] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 42.030777] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 executing program [ 42.038044] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 42.045494] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 42.052766] R13: 0000000000009671 R14: 000000000000000d R15: 0000000000000005 [ 42.060080] CPU: 1 PID: 8419 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 42.069378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.077220] FAULT_INJECTION: forcing a failure. [ 42.077220] name failslab, interval 1, probability 0, space 0, times 0 [ 42.078735] Call Trace: [ 42.078757] dump_stack+0x1fc/0x2fe [ 42.078776] should_fail.cold+0xa/0x14 [ 42.078798] ? setup_fault_attr+0x200/0x200 [ 42.104376] ? check_preemption_disabled+0x41/0x280 [ 42.109407] __should_failslab+0x115/0x180 [ 42.113653] should_failslab+0x5/0xf [ 42.117370] kmem_cache_alloc+0x3f/0x370 [ 42.121439] __debug_object_init+0x6d9/0x9b0 [ 42.125856] ? lock_downgrade+0x720/0x720 [ 42.130002] ? debug_object_destroy+0x240/0x240 [ 42.134678] ? _raw_spin_unlock_irqrestore+0x79/0xe0 executing program [ 42.139811] debug_object_activate+0x382/0x450 [ 42.144394] ? lock_acquire+0x170/0x3c0 [ 42.148370] ? debug_object_assert_init+0x2e0/0x2e0 [ 42.153404] ? do_coredump+0x1504/0x2d55 [ 42.157483] ? profiling_store+0xd0/0xd0 [ 42.161547] __call_rcu.constprop.0+0x31/0x7f0 [ 42.166226] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.167883] FAULT_INJECTION: forcing a failure. [ 42.167883] name failslab, interval 1, probability 0, space 0, times 0 [ 42.170731] __put_cred+0x1ca/0x250 [ 42.170747] do_coredump+0x49d/0x2d55 [ 42.170771] ? trace_hardirqs_off+0x64/0x200 [ 42.193787] ? get_signal+0xc70/0x1f70 [ 42.197683] ? cn_esc_printf+0x520/0x520 [ 42.201777] ? try_to_wake_up+0x7b/0x1050 [ 42.205946] ? trace_hardirqs_off+0x64/0x200 [ 42.210371] ? debug_check_no_obj_freed+0x201/0x482 [ 42.215400] ? lock_downgrade+0x720/0x720 [ 42.219561] ? trace_hardirqs_off+0x64/0x200 [ 42.223997] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.228501] get_signal+0xed9/0x1f70 [ 42.232226] do_signal+0x8f/0x1670 [ 42.235773] ? setup_sigcontext+0x820/0x820 [ 42.240101] ? lock_downgrade+0x720/0x720 [ 42.245247] ? __do_page_fault+0x180/0xd60 [ 42.249498] ? exit_to_usermode_loop+0x36/0x2a0 [ 42.254299] exit_to_usermode_loop+0x204/0x2a0 [ 42.258900] prepare_exit_to_usermode+0x277/0x2d0 [ 42.263751] ? page_fault+0x8/0x30 [ 42.267306] retint_user+0x8/0x18 [ 42.270757] RIP: 0033:0x43031a [ 42.273966] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 42.292872] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 42.298236] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 42.305527] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 42.312814] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 42.320084] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 42.327362] R13: 0000000000009671 R14: 000000000000000d R15: 0000000000000005 [ 42.334717] CPU: 0 PID: 8435 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 42.344006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.353369] Call Trace: [ 42.355977] dump_stack+0x1fc/0x2fe [ 42.359628] should_fail.cold+0xa/0x14 [ 42.363526] ? setup_fault_attr+0x200/0x200 [ 42.367860] ? check_preemption_disabled+0x41/0x280 [ 42.372888] __should_failslab+0x115/0x180 [ 42.377129] should_failslab+0x5/0xf [ 42.380848] kmem_cache_alloc+0x3f/0x370 [ 42.384941] __debug_object_init+0x6d9/0x9b0 [ 42.389370] ? lock_downgrade+0x720/0x720 [ 42.391174] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 [ 42.393523] ? debug_object_destroy+0x240/0x240 [ 42.393543] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 42.393561] debug_object_activate+0x382/0x450 [ 42.393573] ? lock_acquire+0x170/0x3c0 [ 42.393586] ? debug_object_assert_init+0x2e0/0x2e0 [ 42.393605] ? do_coredump+0x1504/0x2d55 [ 42.393624] ? profiling_store+0xd0/0xd0 [ 42.393642] __call_rcu.constprop.0+0x31/0x7f0 [ 42.402344] in_atomic(): 0, irqs_disabled(): 0, pid: 23, name: kworker/u4:1 executing program [ 42.406914] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.406930] __put_cred+0x1ca/0x250 [ 42.406944] do_coredump+0x49d/0x2d55 [ 42.406958] ? trace_hardirqs_off+0x64/0x200 [ 42.406983] ? get_signal+0xc70/0x1f70 [ 42.407000] ? cn_esc_printf+0x520/0x520 [ 42.407011] ? try_to_wake_up+0x7b/0x1050 [ 42.407026] ? trace_hardirqs_off+0x64/0x200 [ 42.407047] ? debug_check_no_obj_freed+0x201/0x482 [ 42.413392] 4 locks held by kworker/u4:1/23: [ 42.416738] ? lock_downgrade+0x720/0x720 [ 42.416760] ? trace_hardirqs_off+0x64/0x200 [ 42.416794] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.425407] #0: 00000000b6930386 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 [ 42.425786] get_signal+0xed9/0x1f70 [ 42.434536] #1: 000000002427562e ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 [ 42.438463] do_signal+0x8f/0x1670 [ 42.438484] ? setup_sigcontext+0x820/0x820 [ 42.438507] ? lock_downgrade+0x720/0x720 [ 42.454101] #2: 0000000086b777ff (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 [ 42.457843] ? __do_page_fault+0x180/0xd60 [ 42.457863] ? exit_to_usermode_loop+0x36/0x2a0 [ 42.457884] exit_to_usermode_loop+0x204/0x2a0 [ 42.475159] #3: 000000000a5100c1 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 [ 42.478744] prepare_exit_to_usermode+0x277/0x2d0 [ 42.478760] ? page_fault+0x8/0x30 [ 42.478771] retint_user+0x8/0x18 [ 42.478782] RIP: 0033:0x43031a executing program [ 42.478798] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 42.486813] FAULT_INJECTION: forcing a failure. [ 42.486813] name failslab, interval 1, probability 0, space 0, times 0 [ 42.488198] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 42.488210] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 42.488218] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 42.488226] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 42.488234] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 42.488242] R13: 000000000000a05e R14: 000000000000000d R15: 0000000000000005 [ 42.493410] CPU: 0 PID: 8432 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 42.513421] Preemption disabled at: [ 42.513443] [] preempt_schedule_irq+0x83/0x140 [ 42.516253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.516259] Call Trace: [ 42.516278] dump_stack+0x1fc/0x2fe [ 42.516298] should_fail.cold+0xa/0x14 [ 42.516318] ? setup_fault_attr+0x200/0x200 [ 42.612636] FAULT_INJECTION: forcing a failure. [ 42.612636] name failslab, interval 1, probability 0, space 0, times 0 [ 42.613688] ? check_preemption_disabled+0x41/0x280 [ 42.613707] __should_failslab+0x115/0x180 [ 42.613723] should_failslab+0x5/0xf [ 42.613736] kmem_cache_alloc+0x3f/0x370 [ 42.613751] __debug_object_init+0x6d9/0x9b0 [ 42.613766] ? lock_downgrade+0x720/0x720 [ 42.613778] ? debug_object_destroy+0x240/0x240 [ 42.613799] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 42.745458] debug_object_activate+0x382/0x450 [ 42.750058] ? lock_acquire+0x170/0x3c0 [ 42.754046] ? debug_object_assert_init+0x2e0/0x2e0 [ 42.759088] ? do_coredump+0x1504/0x2d55 [ 42.763177] ? profiling_store+0xd0/0xd0 [ 42.767254] __call_rcu.constprop.0+0x31/0x7f0 [ 42.771860] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.776359] __put_cred+0x1ca/0x250 [ 42.780103] do_coredump+0x49d/0x2d55 [ 42.784013] ? trace_hardirqs_off+0x64/0x200 [ 42.788637] ? get_signal+0xc70/0x1f70 [ 42.792530] ? cn_esc_printf+0x520/0x520 [ 42.796610] ? try_to_wake_up+0x7b/0x1050 [ 42.800798] ? trace_hardirqs_off+0x64/0x200 [ 42.805218] ? debug_check_no_obj_freed+0x201/0x482 [ 42.810242] ? lock_downgrade+0x720/0x720 [ 42.814400] ? trace_hardirqs_off+0x64/0x200 [ 42.819694] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.824225] get_signal+0xed9/0x1f70 [ 42.827953] do_signal+0x8f/0x1670 [ 42.831511] ? setup_sigcontext+0x820/0x820 [ 42.835843] ? lock_downgrade+0x720/0x720 [ 42.840023] ? __do_page_fault+0x180/0xd60 [ 42.844269] ? exit_to_usermode_loop+0x36/0x2a0 [ 42.848948] exit_to_usermode_loop+0x204/0x2a0 [ 42.853537] prepare_exit_to_usermode+0x277/0x2d0 [ 42.858408] ? page_fault+0x8/0x30 [ 42.861950] retint_user+0x8/0x18 [ 42.865401] RIP: 0033:0x43031a [ 42.868595] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 42.887528] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 42.892895] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 42.900189] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 42.907573] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 42.914849] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 42.923083] R13: 000000000000973c R14: 000000000000000d R15: 0000000000000005 [ 42.930566] CPU: 1 PID: 23 Comm: kworker/u4:1 Tainted: G W 4.19.159-syzkaller #0 [ 42.939674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.946475] FAULT_INJECTION: forcing a failure. [ 42.946475] name failslab, interval 1, probability 0, space 0, times 0 [ 42.949548] Workqueue: phy3 ieee80211_iface_work [ 42.949556] Call Trace: [ 42.949574] dump_stack+0x1fc/0x2fe [ 42.949598] ? preempt_schedule_irq+0x83/0x140 [ 42.962749] FAULT_INJECTION: forcing a failure. [ 42.962749] name failslab, interval 1, probability 0, space 0, times 0 [ 42.965567] ___might_sleep.cold+0x235/0x250 [ 42.965586] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 42.965600] __mutex_lock+0xab/0x1260 [ 42.965619] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.005661] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.010434] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 43.015722] ? __mutex_add_waiter+0x160/0x160 [ 43.020218] ? retint_kernel+0x2d/0x2d [ 43.024289] ? dump_stack+0x2d5/0x2fe [ 43.028101] ? dump_stack+0x2da/0x2fe [ 43.031926] ieee80211_recalc_min_chandef+0x49/0x140 [ 43.037040] sta_info_move_state+0x75f/0x900 [ 43.041459] sta_info_free+0x55/0x390 [ 43.045287] sta_info_insert_rcu+0x517/0x2310 [ 43.049794] ? __local_bh_enable_ip+0x159/0x270 [ 43.054462] ? check_preemption_disabled+0x41/0x280 [ 43.059501] ? minstrel_ht_rate_update+0x40/0x40 [ 43.064345] ? rate_control_rate_init+0x2fa/0x4f0 [ 43.069201] ieee80211_ibss_finish_sta+0x25b/0x360 [ 43.074158] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 43.079091] ? mark_held_locks+0xa6/0xf0 [ 43.083158] ? __local_bh_enable_ip+0x159/0x270 [ 43.087835] ieee80211_ibss_work+0x2b6/0xe10 [ 43.092259] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 43.097895] ? mark_held_locks+0xa6/0xf0 [ 43.101960] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.107068] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.111656] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 43.116768] ieee80211_iface_work+0x7ba/0x8a0 [ 43.121360] process_one_work+0x864/0x1570 [ 43.125605] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 43.130287] worker_thread+0x64c/0x1130 [ 43.134275] ? process_one_work+0x1570/0x1570 [ 43.138776] kthread+0x33f/0x460 [ 43.142163] ? kthread_park+0x180/0x180 executing program executing program [ 43.146678] ret_from_fork+0x24/0x30 [ 43.150513] CPU: 0 PID: 8445 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 43.159803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.169162] Call Trace: [ 43.171760] dump_stack+0x1fc/0x2fe [ 43.175401] should_fail.cold+0xa/0x14 [ 43.179414] ? setup_fault_attr+0x200/0x200 [ 43.183742] ? check_preemption_disabled+0x41/0x280 [ 43.188767] __should_failslab+0x115/0x180 [ 43.193021] should_failslab+0x5/0xf [ 43.196742] kmem_cache_alloc+0x3f/0x370 [ 43.200896] __debug_object_init+0x6d9/0x9b0 [ 43.205313] ? lock_downgrade+0x720/0x720 [ 43.209470] ? debug_object_destroy+0x240/0x240 [ 43.214152] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.219269] debug_object_activate+0x382/0x450 [ 43.223862] ? lock_acquire+0x170/0x3c0 [ 43.227843] ? debug_object_assert_init+0x2e0/0x2e0 [ 43.232890] ? do_coredump+0x1504/0x2d55 [ 43.236968] ? profiling_store+0xd0/0xd0 [ 43.241228] __call_rcu.constprop.0+0x31/0x7f0 [ 43.245828] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.250346] __put_cred+0x1ca/0x250 [ 43.254097] do_coredump+0x49d/0x2d55 [ 43.257914] ? trace_hardirqs_off+0x64/0x200 [ 43.262427] ? get_signal+0xc70/0x1f70 [ 43.266338] ? cn_esc_printf+0x520/0x520 [ 43.270409] ? try_to_wake_up+0x7b/0x1050 [ 43.274570] ? trace_hardirqs_off+0x64/0x200 [ 43.279025] ? debug_check_no_obj_freed+0x201/0x482 [ 43.284055] ? lock_downgrade+0x720/0x720 [ 43.288236] ? trace_hardirqs_off+0x64/0x200 [ 43.292668] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.297199] get_signal+0xed9/0x1f70 [ 43.300936] do_signal+0x8f/0x1670 [ 43.304525] ? setup_sigcontext+0x820/0x820 [ 43.308861] ? lock_downgrade+0x720/0x720 [ 43.313033] ? __do_page_fault+0x180/0xd60 [ 43.317283] ? exit_to_usermode_loop+0x36/0x2a0 [ 43.321966] exit_to_usermode_loop+0x204/0x2a0 [ 43.326560] prepare_exit_to_usermode+0x277/0x2d0 [ 43.331410] ? page_fault+0x8/0x30 [ 43.334955] retint_user+0x8/0x18 [ 43.338410] RIP: 0033:0x43031a [ 43.341607] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 43.360602] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 43.365983] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 43.373262] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 43.380539] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 43.387927] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 executing program executing program [ 43.395233] R13: 000000000000a068 R14: 000000000000000d R15: 0000000000000005 [ 43.402595] CPU: 1 PID: 8439 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 43.411879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.413167] FAULT_INJECTION: forcing a failure. [ 43.413167] name failslab, interval 1, probability 0, space 0, times 0 [ 43.422120] Call Trace: [ 43.422146] dump_stack+0x1fc/0x2fe [ 43.422165] should_fail.cold+0xa/0x14 [ 43.422181] ? setup_fault_attr+0x200/0x200 [ 43.422197] ? check_preemption_disabled+0x41/0x280 [ 43.422213] __should_failslab+0x115/0x180 [ 43.422227] should_failslab+0x5/0xf [ 43.422238] kmem_cache_alloc+0x3f/0x370 [ 43.422251] __debug_object_init+0x6d9/0x9b0 [ 43.422268] ? lock_downgrade+0x720/0x720 [ 43.422281] ? debug_object_destroy+0x240/0x240 [ 43.422298] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.422313] debug_object_activate+0x382/0x450 [ 43.422325] ? lock_acquire+0x170/0x3c0 [ 43.422338] ? debug_object_assert_init+0x2e0/0x2e0 [ 43.422358] ? do_coredump+0x1504/0x2d55 [ 43.422379] ? profiling_store+0xd0/0xd0 [ 43.422394] __call_rcu.constprop.0+0x31/0x7f0 [ 43.422409] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.422424] __put_cred+0x1ca/0x250 [ 43.422437] do_coredump+0x49d/0x2d55 [ 43.422452] ? trace_hardirqs_off+0x64/0x200 [ 43.422471] ? get_signal+0xc70/0x1f70 [ 43.422488] ? cn_esc_printf+0x520/0x520 [ 43.422501] ? try_to_wake_up+0x7b/0x1050 [ 43.422517] ? trace_hardirqs_off+0x64/0x200 [ 43.422532] ? debug_check_no_obj_freed+0x201/0x482 [ 43.422549] ? lock_downgrade+0x720/0x720 [ 43.422568] ? trace_hardirqs_off+0x64/0x200 [ 43.422597] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.422614] get_signal+0xed9/0x1f70 [ 43.422640] do_signal+0x8f/0x1670 [ 43.422658] ? setup_sigcontext+0x820/0x820 [ 43.422675] ? lock_downgrade+0x720/0x720 [ 43.422702] ? __do_page_fault+0x180/0xd60 [ 43.422720] ? exit_to_usermode_loop+0x36/0x2a0 [ 43.422734] exit_to_usermode_loop+0x204/0x2a0 [ 43.422750] prepare_exit_to_usermode+0x277/0x2d0 [ 43.422763] ? page_fault+0x8/0x30 [ 43.422774] retint_user+0x8/0x18 [ 43.422785] RIP: 0033:0x43031a [ 43.422800] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 43.422807] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 43.422819] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 43.422827] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 43.422834] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 43.422843] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 43.422851] R13: 0000000000009da2 R14: 000000000000000d R15: 0000000000000005 [ 43.424849] CPU: 1 PID: 8438 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 43.436989] FAULT_INJECTION: forcing a failure. [ 43.436989] name failslab, interval 1, probability 0, space 0, times 0 [ 43.440532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.440538] Call Trace: [ 43.440559] dump_stack+0x1fc/0x2fe [ 43.440578] should_fail.cold+0xa/0x14 [ 43.707028] ? setup_fault_attr+0x200/0x200 [ 43.711362] ? check_preemption_disabled+0x41/0x280 [ 43.716393] __should_failslab+0x115/0x180 [ 43.721596] should_failslab+0x5/0xf [ 43.725328] kmem_cache_alloc+0x3f/0x370 [ 43.729489] __debug_object_init+0x6d9/0x9b0 [ 43.733909] ? lock_downgrade+0x720/0x720 [ 43.738331] ? debug_object_destroy+0x240/0x240 [ 43.743143] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.748535] debug_object_activate+0x382/0x450 [ 43.753223] ? lock_acquire+0x170/0x3c0 [ 43.758274] ? debug_object_assert_init+0x2e0/0x2e0 [ 43.763332] ? do_coredump+0x1504/0x2d55 [ 43.767762] ? profiling_store+0xd0/0xd0 [ 43.772390] __call_rcu.constprop.0+0x31/0x7f0 [ 43.776993] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.782306] __put_cred+0x1ca/0x250 [ 43.786074] do_coredump+0x49d/0x2d55 [ 43.789898] ? trace_hardirqs_off+0x64/0x200 [ 43.794443] ? get_signal+0xc70/0x1f70 [ 43.798360] ? cn_esc_printf+0x520/0x520 [ 43.802435] ? try_to_wake_up+0x7b/0x1050 [ 43.807133] ? trace_hardirqs_off+0x64/0x200 [ 43.811570] ? debug_check_no_obj_freed+0x201/0x482 [ 43.816698] ? lock_downgrade+0x720/0x720 [ 43.820881] ? trace_hardirqs_off+0x64/0x200 [ 43.825329] ? _raw_spin_unlock_irq+0x24/0x80 [ 43.829867] get_signal+0xed9/0x1f70 [ 43.833837] do_signal+0x8f/0x1670 [ 43.837397] ? setup_sigcontext+0x820/0x820 [ 43.841725] ? lock_downgrade+0x720/0x720 [ 43.845893] ? __do_page_fault+0x180/0xd60 [ 43.850141] ? exit_to_usermode_loop+0x36/0x2a0 [ 43.855047] exit_to_usermode_loop+0x204/0x2a0 [ 43.859641] prepare_exit_to_usermode+0x277/0x2d0 [ 43.864486] ? page_fault+0x8/0x30 [ 43.868028] retint_user+0x8/0x18 [ 43.872338] RIP: 0033:0x43031a [ 43.875531] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 43.896106] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 43.901477] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 43.908932] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 43.916610] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 43.929380] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 43.936655] R13: 0000000000009da0 R14: 000000000000000d R15: 0000000000000005 [ 43.944050] CPU: 0 PID: 8447 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 43.953348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.963782] Call Trace: [ 43.966386] dump_stack+0x1fc/0x2fe [ 43.971279] should_fail.cold+0xa/0x14 [ 43.975289] ? setup_fault_attr+0x200/0x200 [ 43.979647] ? check_preemption_disabled+0x41/0x280 [ 43.984680] __should_failslab+0x115/0x180 [ 43.988974] should_failslab+0x5/0xf [ 43.992976] kmem_cache_alloc+0x3f/0x370 [ 43.997055] __debug_object_init+0x6d9/0x9b0 executing program [ 44.002352] ? lock_downgrade+0x720/0x720 [ 44.006515] ? debug_object_destroy+0x240/0x240 [ 44.011388] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 44.016531] debug_object_activate+0x382/0x450 [ 44.021649] ? lock_acquire+0x170/0x3c0 [ 44.025503] FAULT_INJECTION: forcing a failure. [ 44.025503] name failslab, interval 1, probability 0, space 0, times 0 [ 44.025813] ? debug_object_assert_init+0x2e0/0x2e0 [ 44.042228] ? do_coredump+0x1504/0x2d55 [ 44.046308] ? profiling_store+0xd0/0xd0 [ 44.050379] __call_rcu.constprop.0+0x31/0x7f0 [ 44.055012] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.059545] __put_cred+0x1ca/0x250 [ 44.063626] do_coredump+0x49d/0x2d55 [ 44.067525] ? trace_hardirqs_off+0x64/0x200 [ 44.071945] ? get_signal+0xc70/0x1f70 [ 44.075888] ? cn_esc_printf+0x520/0x520 [ 44.079971] ? try_to_wake_up+0x7b/0x1050 [ 44.084390] ? trace_hardirqs_off+0x64/0x200 [ 44.088812] ? debug_check_no_obj_freed+0x201/0x482 [ 44.093840] ? lock_downgrade+0x720/0x720 [ 44.098113] ? trace_hardirqs_off+0x64/0x200 [ 44.102839] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.107377] get_signal+0xed9/0x1f70 [ 44.111112] do_signal+0x8f/0x1670 [ 44.114689] ? setup_sigcontext+0x820/0x820 [ 44.119043] ? lock_downgrade+0x720/0x720 [ 44.123216] ? __do_page_fault+0x180/0xd60 [ 44.127635] ? exit_to_usermode_loop+0x36/0x2a0 [ 44.132578] exit_to_usermode_loop+0x204/0x2a0 [ 44.137361] prepare_exit_to_usermode+0x277/0x2d0 [ 44.142210] ? page_fault+0x8/0x30 [ 44.145867] retint_user+0x8/0x18 [ 44.149519] RIP: 0033:0x43031a [ 44.152717] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 44.171727] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 44.177116] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 44.184512] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 44.191807] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 44.203276] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 44.210659] R13: 0000000000009f57 R14: 000000000000000d R15: 0000000000000005 [ 44.218047] CPU: 1 PID: 8446 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 44.227533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.236979] Call Trace: [ 44.241518] dump_stack+0x1fc/0x2fe [ 44.245189] should_fail.cold+0xa/0x14 [ 44.249100] ? setup_fault_attr+0x200/0x200 [ 44.254682] ? check_preemption_disabled+0x41/0x280 [ 44.259734] __should_failslab+0x115/0x180 [ 44.267199] should_failslab+0x5/0xf [ 44.271091] kmem_cache_alloc+0x3f/0x370 [ 44.275159] __debug_object_init+0x6d9/0x9b0 [ 44.279608] ? lock_downgrade+0x720/0x720 [ 44.283778] ? debug_object_destroy+0x240/0x240 [ 44.288552] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 44.293668] debug_object_activate+0x382/0x450 [ 44.298259] ? lock_acquire+0x170/0x3c0 [ 44.302421] ? debug_object_assert_init+0x2e0/0x2e0 [ 44.307456] ? do_coredump+0x1504/0x2d55 [ 44.311540] ? profiling_store+0xd0/0xd0 [ 44.315885] __call_rcu.constprop.0+0x31/0x7f0 [ 44.316032] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 [ 44.320672] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.320690] __put_cred+0x1ca/0x250 [ 44.320711] do_coredump+0x49d/0x2d55 [ 44.341574] ? trace_hardirqs_off+0x64/0x200 [ 44.344595] in_atomic(): 0, irqs_disabled(): 0, pid: 23, name: kworker/u4:1 [ 44.345995] ? get_signal+0xc70/0x1f70 [ 44.346014] ? cn_esc_printf+0x520/0x520 [ 44.346031] ? try_to_wake_up+0x7b/0x1050 [ 44.362220] 4 locks held by kworker/u4:1/23: [ 44.365328] ? trace_hardirqs_off+0x64/0x200 [ 44.365345] ? debug_check_no_obj_freed+0x201/0x482 [ 44.365362] ? lock_downgrade+0x720/0x720 [ 44.365379] ? trace_hardirqs_off+0x64/0x200 [ 44.365409] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.373500] #0: 00000000b6930386 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 [ 44.374323] get_signal+0xed9/0x1f70 [ 44.386048] #1: 000000002427562e ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 [ 44.387875] do_signal+0x8f/0x1670 [ 44.387893] ? setup_sigcontext+0x820/0x820 [ 44.399335] #2: 0000000086b777ff (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 [ 44.403984] ? lock_downgrade+0x720/0x720 [ 44.404012] ? __do_page_fault+0x180/0xd60 [ 44.404029] ? exit_to_usermode_loop+0x36/0x2a0 [ 44.404044] exit_to_usermode_loop+0x204/0x2a0 [ 44.404061] prepare_exit_to_usermode+0x277/0x2d0 [ 44.413361] #3: 000000000a5100c1 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 [ 44.418522] ? page_fault+0x8/0x30 [ 44.418534] retint_user+0x8/0x18 [ 44.418546] RIP: 0033:0x43031a [ 44.418563] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 44.427784] Preemption disabled at: [ 44.427805] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 [ 44.435428] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 44.435439] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 44.435446] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 44.435453] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 44.435466] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 44.435473] R13: 000000000000a359 R14: 000000000000000d R15: 0000000000000005 [ 44.447549] CPU: 1 PID: 8455 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 44.562609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.571986] Call Trace: [ 44.574591] dump_stack+0x1fc/0x2fe [ 44.578245] should_fail.cold+0xa/0x14 [ 44.582142] ? setup_fault_attr+0x200/0x200 [ 44.586480] ? check_preemption_disabled+0x41/0x280 [ 44.591507] __should_failslab+0x115/0x180 [ 44.595849] should_failslab+0x5/0xf [ 44.599927] kmem_cache_alloc+0x3f/0x370 [ 44.604004] __debug_object_init+0x6d9/0x9b0 [ 44.608440] ? lock_downgrade+0x720/0x720 [ 44.612770] ? debug_object_destroy+0x240/0x240 [ 44.617833] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 44.623057] debug_object_activate+0x382/0x450 [ 44.627734] ? lock_acquire+0x170/0x3c0 [ 44.631724] ? debug_object_assert_init+0x2e0/0x2e0 [ 44.636806] ? do_coredump+0x1504/0x2d55 [ 44.641229] ? profiling_store+0xd0/0xd0 [ 44.645300] __call_rcu.constprop.0+0x31/0x7f0 [ 44.649893] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.654392] __put_cred+0x1ca/0x250 [ 44.658025] do_coredump+0x49d/0x2d55 [ 44.661831] ? trace_hardirqs_off+0x64/0x200 [ 44.666250] ? get_signal+0xc70/0x1f70 [ 44.670154] ? cn_esc_printf+0x520/0x520 [ 44.674505] ? try_to_wake_up+0x7b/0x1050 [ 44.678660] ? trace_hardirqs_off+0x64/0x200 [ 44.683165] ? debug_check_no_obj_freed+0x201/0x482 [ 44.688282] ? lock_downgrade+0x720/0x720 [ 44.692533] ? trace_hardirqs_off+0x64/0x200 [ 44.696969] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.701477] get_signal+0xed9/0x1f70 [ 44.705383] do_signal+0x8f/0x1670 [ 44.709112] ? setup_sigcontext+0x820/0x820 [ 44.715041] ? lock_downgrade+0x720/0x720 [ 44.719214] ? __do_page_fault+0x180/0xd60 [ 44.723747] ? exit_to_usermode_loop+0x36/0x2a0 [ 44.728600] exit_to_usermode_loop+0x204/0x2a0 [ 44.733191] prepare_exit_to_usermode+0x277/0x2d0 [ 44.738039] ? page_fault+0x8/0x30 [ 44.741582] retint_user+0x8/0x18 [ 44.746423] RIP: 0033:0x43031a [ 44.749642] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 44.769156] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 44.773658] FAULT_INJECTION: forcing a failure. [ 44.773658] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.774530] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 44.794502] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 executing program [ 44.803015] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 44.810682] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 44.817956] R13: 000000000000a5d4 R14: 000000000000000d R15: 0000000000000005 [ 44.825611] CPU: 0 PID: 8460 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 44.834899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.844288] Call Trace: [ 44.847419] dump_stack+0x1fc/0x2fe [ 44.851061] should_fail.cold+0xa/0x14 [ 44.854963] ? setup_fault_attr+0x200/0x200 [ 44.859305] ? is_bpf_text_address+0xfc/0x1b0 [ 44.864170] ? kernel_text_address+0xbd/0xf0 [ 44.868777] __alloc_pages_nodemask+0x239/0x2890 [ 44.873547] ? deref_stack_reg+0x134/0x1d0 [ 44.877891] ? __lock_acquire+0x6de/0x3ff0 [ 44.882245] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.887097] ? __lock_acquire+0x6de/0x3ff0 [ 44.891343] ? unwind_next_frame+0x10a9/0x1c60 [ 44.895934] ? __save_stack_trace+0x72/0x190 [ 44.900437] ? deref_stack_reg+0x134/0x1d0 [ 44.905993] ? mark_held_locks+0xf0/0xf0 [ 44.910062] ? is_bpf_text_address+0xd5/0x1b0 [ 44.914579] cache_grow_begin+0xa4/0x8a0 [ 44.919001] ? setup_fault_attr+0x200/0x200 [ 44.923325] ? lock_acquire+0x170/0x3c0 [ 44.927433] cache_alloc_refill+0x273/0x340 [ 44.931761] __kmalloc_track_caller+0x35d/0x3c0 [ 44.936523] ? do_coredump+0xde1/0x2d55 [ 44.940680] krealloc+0x57/0xc0 [ 44.944260] do_coredump+0xde1/0x2d55 [ 44.948414] ? trace_hardirqs_off+0x64/0x200 [ 44.953276] ? get_signal+0xc70/0x1f70 [ 44.957275] ? cn_esc_printf+0x520/0x520 [ 44.961348] ? try_to_wake_up+0x7b/0x1050 [ 44.965528] ? trace_hardirqs_off+0x64/0x200 [ 44.970142] ? debug_check_no_obj_freed+0x201/0x482 [ 44.975863] ? lock_downgrade+0x720/0x720 [ 44.980037] ? trace_hardirqs_off+0x64/0x200 [ 44.984580] ? _raw_spin_unlock_irq+0x24/0x80 [ 44.991002] get_signal+0xed9/0x1f70 [ 44.994741] do_signal+0x8f/0x1670 [ 44.998385] ? setup_sigcontext+0x820/0x820 [ 45.002731] ? lock_downgrade+0x720/0x720 [ 45.006896] ? __do_page_fault+0x180/0xd60 [ 45.011445] ? exit_to_usermode_loop+0x36/0x2a0 [ 45.016836] exit_to_usermode_loop+0x204/0x2a0 [ 45.021455] prepare_exit_to_usermode+0x277/0x2d0 [ 45.026925] ? page_fault+0x8/0x30 [ 45.030471] retint_user+0x8/0x18 [ 45.033924] RIP: 0033:0x43031a [ 45.037115] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 45.056047] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 45.062663] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 45.069941] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 45.077253] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 45.085935] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 45.093231] R13: 000000000000a8a6 R14: 000000000000000d R15: 0000000000000005 [ 45.100549] CPU: 1 PID: 8444 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 45.109927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.116435] FAULT_INJECTION: forcing a failure. [ 45.116435] name failslab, interval 1, probability 0, space 0, times 0 [ 45.119303] Call Trace: [ 45.119326] dump_stack+0x1fc/0x2fe [ 45.119347] should_fail.cold+0xa/0x14 [ 45.119363] ? setup_fault_attr+0x200/0x200 [ 45.119389] ? check_preemption_disabled+0x41/0x280 [ 45.150591] __should_failslab+0x115/0x180 [ 45.154840] should_failslab+0x5/0xf [ 45.158748] kmem_cache_alloc+0x3f/0x370 [ 45.164297] __debug_object_init+0x6d9/0x9b0 [ 45.168888] ? lock_downgrade+0x720/0x720 [ 45.173039] ? debug_object_destroy+0x240/0x240 [ 45.177838] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 45.182957] debug_object_activate+0x382/0x450 [ 45.187750] ? lock_acquire+0x170/0x3c0 [ 45.191738] ? debug_object_assert_init+0x2e0/0x2e0 [ 45.196770] ? do_coredump+0x1504/0x2d55 [ 45.201188] ? profiling_store+0xd0/0xd0 [ 45.205255] __call_rcu.constprop.0+0x31/0x7f0 [ 45.209872] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.214375] __put_cred+0x1ca/0x250 [ 45.218162] do_coredump+0x49d/0x2d55 [ 45.222055] ? trace_hardirqs_off+0x64/0x200 [ 45.226471] ? get_signal+0xc70/0x1f70 [ 45.230385] ? cn_esc_printf+0x520/0x520 [ 45.234446] ? try_to_wake_up+0x7b/0x1050 [ 45.238630] ? trace_hardirqs_off+0x64/0x200 [ 45.243061] ? debug_check_no_obj_freed+0x201/0x482 [ 45.248199] ? lock_downgrade+0x720/0x720 [ 45.252361] ? trace_hardirqs_off+0x64/0x200 [ 45.257250] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.261881] get_signal+0xed9/0x1f70 [ 45.265719] do_signal+0x8f/0x1670 [ 45.269292] ? setup_sigcontext+0x820/0x820 [ 45.273628] ? lock_downgrade+0x720/0x720 [ 45.277810] ? __do_page_fault+0x180/0xd60 [ 45.282058] ? exit_to_usermode_loop+0x36/0x2a0 [ 45.286733] exit_to_usermode_loop+0x204/0x2a0 [ 45.291347] prepare_exit_to_usermode+0x277/0x2d0 [ 45.296195] ? page_fault+0x8/0x30 [ 45.299737] retint_user+0x8/0x18 [ 45.303193] RIP: 0033:0x43031a [ 45.306398] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 45.325309] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 45.330681] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 45.337978] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 45.345267] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 executing program executing program executing program executing program [ 45.352544] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 45.359819] R13: 000000000000a4a4 R14: 000000000000000d R15: 0000000000000005 [ 45.367138] CPU: 0 PID: 23 Comm: kworker/u4:1 Tainted: G W 4.19.159-syzkaller #0 [ 45.375994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.385392] Workqueue: phy3 ieee80211_iface_work [ 45.390152] Call Trace: [ 45.393105] dump_stack+0x1fc/0x2fe [ 45.396745] ? rcu_lockdep_current_cpu_online+0x32/0x1b0 [ 45.399978] FAULT_INJECTION: forcing a failure. [ 45.399978] name failslab, interval 1, probability 0, space 0, times 0 [ 45.402294] ___might_sleep.cold+0x235/0x250 [ 45.402312] sta_info_move_state+0x32/0x900 [ 45.402330] sta_info_free+0x55/0x390 [ 45.402348] sta_info_insert_rcu+0x517/0x2310 [ 45.402374] ? __local_bh_enable_ip+0x159/0x270 [ 45.415214] FAULT_INJECTION: forcing a failure. [ 45.415214] name failslab, interval 1, probability 0, space 0, times 0 [ 45.418433] ? check_preemption_disabled+0x41/0x280 [ 45.423923] FAULT_INJECTION: forcing a failure. [ 45.423923] name failslab, interval 1, probability 0, space 0, times 0 [ 45.426547] ? minstrel_ht_rate_update+0x40/0x40 [ 45.467993] ? rate_control_rate_init+0x2fa/0x4f0 [ 45.472960] ieee80211_ibss_finish_sta+0x25b/0x360 [ 45.478345] ? ieee80211_sta_join_ibss+0xe50/0xe50 [ 45.483286] ? mark_held_locks+0xa6/0xf0 [ 45.487352] ? __local_bh_enable_ip+0x159/0x270 [ 45.492045] ieee80211_ibss_work+0x2b6/0xe10 [ 45.496483] ? ieee80211_ibss_rx_queued_mgmt+0x18b0/0x18b0 [ 45.502125] ? mark_held_locks+0xa6/0xf0 [ 45.506214] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 45.511351] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.515968] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 45.521095] ieee80211_iface_work+0x7ba/0x8a0 [ 45.525614] process_one_work+0x864/0x1570 [ 45.529863] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 45.534568] worker_thread+0x64c/0x1130 [ 45.538565] ? process_one_work+0x1570/0x1570 [ 45.543074] kthread+0x33f/0x460 [ 45.546459] ? kthread_park+0x180/0x180 [ 45.550444] ret_from_fork+0x24/0x30 [ 45.557622] CPU: 0 PID: 8465 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 45.566907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.576270] Call Trace: [ 45.578867] dump_stack+0x1fc/0x2fe [ 45.582504] should_fail.cold+0xa/0x14 [ 45.586402] ? setup_fault_attr+0x200/0x200 [ 45.590739] ? check_preemption_disabled+0x41/0x280 [ 45.595776] __should_failslab+0x115/0x180 [ 45.600026] should_failslab+0x5/0xf [ 45.603748] kmem_cache_alloc+0x3f/0x370 [ 45.607820] __debug_object_init+0x6d9/0x9b0 [ 45.612239] ? lock_downgrade+0x720/0x720 [ 45.616390] ? debug_object_destroy+0x240/0x240 [ 45.621164] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 45.626281] debug_object_activate+0x382/0x450 [ 45.630878] ? lock_acquire+0x170/0x3c0 [ 45.634863] ? debug_object_assert_init+0x2e0/0x2e0 [ 45.639930] ? do_coredump+0x1504/0x2d55 [ 45.644008] ? profiling_store+0xd0/0xd0 [ 45.648079] __call_rcu.constprop.0+0x31/0x7f0 [ 45.652682] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.657187] __put_cred+0x1ca/0x250 [ 45.660823] do_coredump+0x49d/0x2d55 [ 45.664630] ? trace_hardirqs_off+0x64/0x200 [ 45.669060] ? get_signal+0xc70/0x1f70 [ 45.672954] ? cn_esc_printf+0x520/0x520 [ 45.677027] ? try_to_wake_up+0x7b/0x1050 [ 45.681191] ? trace_hardirqs_off+0x64/0x200 [ 45.685604] ? debug_check_no_obj_freed+0x201/0x482 [ 45.690659] ? lock_downgrade+0x720/0x720 [ 45.694821] ? trace_hardirqs_off+0x64/0x200 [ 45.699251] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.703842] get_signal+0xed9/0x1f70 [ 45.707570] do_signal+0x8f/0x1670 [ 45.711119] ? setup_sigcontext+0x820/0x820 [ 45.715450] ? lock_downgrade+0x720/0x720 [ 45.719613] ? __do_page_fault+0x180/0xd60 [ 45.723850] ? exit_to_usermode_loop+0x36/0x2a0 [ 45.728525] exit_to_usermode_loop+0x204/0x2a0 [ 45.733119] prepare_exit_to_usermode+0x277/0x2d0 [ 45.737963] ? page_fault+0x8/0x30 [ 45.741515] retint_user+0x8/0x18 [ 45.744970] RIP: 0033:0x43031a [ 45.748162] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 45.767067] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 45.772547] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 45.779824] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 45.787121] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 45.794400] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 45.801669] R13: 000000000000a7c0 R14: 000000000000000d R15: 0000000000000005 [ 45.808965] CPU: 1 PID: 8463 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 45.818250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.827876] Call Trace: [ 45.830475] dump_stack+0x1fc/0x2fe [ 45.834134] should_fail.cold+0xa/0x14 [ 45.838033] ? setup_fault_attr+0x200/0x200 [ 45.842362] ? check_preemption_disabled+0x41/0x280 [ 45.847395] __should_failslab+0x115/0x180 [ 45.851636] should_failslab+0x5/0xf [ 45.855355] kmem_cache_alloc+0x3f/0x370 [ 45.859428] __debug_object_init+0x6d9/0x9b0 [ 45.863853] ? lock_downgrade+0x720/0x720 [ 45.868010] ? debug_object_destroy+0x240/0x240 [ 45.872697] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 45.877844] debug_object_activate+0x382/0x450 [ 45.882447] ? lock_acquire+0x170/0x3c0 [ 45.886455] ? debug_object_assert_init+0x2e0/0x2e0 [ 45.891493] ? do_coredump+0x1504/0x2d55 [ 45.895572] ? profiling_store+0xd0/0xd0 [ 45.898585] FAULT_INJECTION: forcing a failure. [ 45.898585] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.899641] __call_rcu.constprop.0+0x31/0x7f0 [ 45.899662] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.899679] __put_cred+0x1ca/0x250 [ 45.899693] do_coredump+0x49d/0x2d55 [ 45.899716] ? trace_hardirqs_off+0x64/0x200 [ 45.932731] ? get_signal+0xc70/0x1f70 [ 45.936619] ? cn_esc_printf+0x520/0x520 [ 45.940680] ? try_to_wake_up+0x7b/0x1050 [ 45.944836] ? trace_hardirqs_off+0x64/0x200 [ 45.949246] ? debug_check_no_obj_freed+0x201/0x482 [ 45.954275] ? lock_downgrade+0x720/0x720 [ 45.958432] ? trace_hardirqs_off+0x64/0x200 [ 45.962856] ? _raw_spin_unlock_irq+0x24/0x80 [ 45.967372] get_signal+0xed9/0x1f70 [ 45.971109] do_signal+0x8f/0x1670 [ 45.974659] ? setup_sigcontext+0x820/0x820 [ 45.978989] ? lock_downgrade+0x720/0x720 [ 45.983154] ? __do_page_fault+0x180/0xd60 [ 45.987391] ? exit_to_usermode_loop+0x36/0x2a0 [ 45.992063] exit_to_usermode_loop+0x204/0x2a0 [ 45.996653] prepare_exit_to_usermode+0x277/0x2d0 [ 46.001500] ? page_fault+0x8/0x30 [ 46.005047] retint_user+0x8/0x18 [ 46.008515] RIP: 0033:0x43031a [ 46.011719] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 46.030650] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 46.036030] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 46.043313] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 46.050594] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 executing program [ 46.057877] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 46.065159] R13: 000000000000a8a5 R14: 000000000000000d R15: 0000000000000005 [ 46.072458] CPU: 0 PID: 8475 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 46.081740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.091529] Call Trace: [ 46.094124] dump_stack+0x1fc/0x2fe [ 46.097759] should_fail.cold+0xa/0x14 [ 46.101725] ? setup_fault_attr+0x200/0x200 [ 46.106063] ? __lock_acquire+0x6de/0x3ff0 [ 46.110335] __alloc_pages_nodemask+0x239/0x2890 [ 46.115100] ? mark_held_locks+0xf0/0xf0 [ 46.119173] ? mark_held_locks+0xf0/0xf0 [ 46.123298] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.128147] ? mark_held_locks+0xf0/0xf0 [ 46.132254] ? lock_acquire+0x170/0x3c0 [ 46.136234] ? mem_cgroup_reset+0x200/0x200 [ 46.140698] ? __unlock_page_memcg+0x4f/0x100 [ 46.145249] alloc_pages_current+0x193/0x2a0 [ 46.149673] __get_free_pages+0x8/0x40 [ 46.154000] __tlb_remove_page_size+0x2a2/0x470 [ 46.158700] unmap_page_range+0x1360/0x2a70 [ 46.163054] ? kmem_cache_free+0x7f/0x260 [ 46.167213] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 46.171710] ? do_group_exit+0x125/0x310 [ 46.175898] ? exit_to_usermode_loop+0x204/0x2a0 [ 46.180681] ? prepare_exit_to_usermode+0x277/0x2d0 [ 46.185710] ? retint_user+0x8/0x18 [ 46.189337] ? uprobe_munmap+0x2d/0x4d0 [ 46.193310] ? __lock_acquire+0x6de/0x3ff0 [ 46.197547] unmap_single_vma+0x198/0x300 [ 46.201701] unmap_vmas+0xa9/0x180 [ 46.205249] exit_mmap+0x2b9/0x530 [ 46.208833] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 46.214125] ? __khugepaged_exit+0x2a6/0x3e0 [ 46.218560] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 46.223579] ? kmem_cache_free+0x226/0x260 [ 46.227832] ? __khugepaged_exit+0x2c7/0x3e0 [ 46.232248] mmput+0x14e/0x4a0 [ 46.235452] do_exit+0xaf0/0x2be0 [ 46.238920] ? mm_update_next_owner+0x650/0x650 [ 46.243606] do_group_exit+0x125/0x310 [ 46.247504] get_signal+0x3f2/0x1f70 [ 46.251245] do_signal+0x8f/0x1670 [ 46.254792] ? setup_sigcontext+0x820/0x820 [ 46.259128] ? lock_downgrade+0x720/0x720 [ 46.263295] ? __do_page_fault+0x180/0xd60 [ 46.267540] ? exit_to_usermode_loop+0x36/0x2a0 [ 46.272430] exit_to_usermode_loop+0x204/0x2a0 [ 46.277759] prepare_exit_to_usermode+0x277/0x2d0 [ 46.283057] ? page_fault+0x8/0x30 [ 46.286625] retint_user+0x8/0x18 [ 46.290191] RIP: 0033:0x43031a [ 46.293507] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 46.312786] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 46.318160] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 46.325463] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 46.332739] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 46.340014] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 46.347310] R13: 000000000000b033 R14: 000000000000000d R15: 0000000000000005 [ 46.354799] CPU: 1 PID: 8466 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 46.364173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.373619] Call Trace: [ 46.376218] dump_stack+0x1fc/0x2fe [ 46.379858] should_fail.cold+0xa/0x14 [ 46.383757] ? setup_fault_attr+0x200/0x200 [ 46.388116] ? check_preemption_disabled+0x41/0x280 [ 46.393231] __should_failslab+0x115/0x180 [ 46.397495] should_failslab+0x5/0xf [ 46.401205] kmem_cache_alloc+0x3f/0x370 [ 46.405270] __debug_object_init+0x6d9/0x9b0 [ 46.409681] ? lock_downgrade+0x720/0x720 [ 46.413848] ? debug_object_destroy+0x240/0x240 [ 46.418523] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 46.423642] debug_object_activate+0x382/0x450 [ 46.428237] ? lock_acquire+0x170/0x3c0 [ 46.432331] ? debug_object_assert_init+0x2e0/0x2e0 [ 46.437367] ? do_coredump+0x1504/0x2d55 [ 46.441437] ? profiling_store+0xd0/0xd0 [ 46.445524] __call_rcu.constprop.0+0x31/0x7f0 [ 46.450120] ? _raw_spin_unlock_irq+0x24/0x80 [ 46.454711] __put_cred+0x1ca/0x250 [ 46.459760] do_coredump+0x49d/0x2d55 [ 46.463572] ? trace_hardirqs_off+0x64/0x200 [ 46.467993] ? get_signal+0xc70/0x1f70 [ 46.471889] ? cn_esc_printf+0x520/0x520 [ 46.475972] ? try_to_wake_up+0x7b/0x1050 [ 46.480128] ? trace_hardirqs_off+0x64/0x200 [ 46.484551] ? debug_check_no_obj_freed+0x201/0x482 [ 46.489580] ? lock_downgrade+0x720/0x720 [ 46.493737] ? trace_hardirqs_off+0x64/0x200 [ 46.498178] ? _raw_spin_unlock_irq+0x24/0x80 [ 46.502680] get_signal+0xed9/0x1f70 [ 46.506431] do_signal+0x8f/0x1670 [ 46.509983] ? setup_sigcontext+0x820/0x820 [ 46.514316] ? lock_downgrade+0x720/0x720 [ 46.518483] ? __do_page_fault+0x180/0xd60 [ 46.522736] ? exit_to_usermode_loop+0x36/0x2a0 [ 46.527417] exit_to_usermode_loop+0x204/0x2a0 [ 46.532028] prepare_exit_to_usermode+0x277/0x2d0 [ 46.536880] ? page_fault+0x8/0x30 [ 46.540428] retint_user+0x8/0x18 [ 46.543878] RIP: 0033:0x43031a [ 46.547072] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 46.565979] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 46.571363] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 46.578661] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 46.585940] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 46.593224] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 46.600503] R13: 000000000000a57b R14: 000000000000000d R15: 0000000000000005 executing program [ 46.607896] CPU: 0 PID: 8464 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 46.617357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.626806] Call Trace: [ 46.629407] dump_stack+0x1fc/0x2fe [ 46.633054] should_fail.cold+0xa/0x14 [ 46.637050] ? setup_fault_attr+0x200/0x200 [ 46.641376] ? check_preemption_disabled+0x41/0x280 [ 46.646438] __should_failslab+0x115/0x180 [ 46.650684] should_failslab+0x5/0xf [ 46.654412] kmem_cache_alloc+0x3f/0x370 [ 46.658101] FAULT_INJECTION: forcing a failure. [ 46.658101] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.658579] __debug_object_init+0x6d9/0x9b0 [ 46.674773] ? lock_downgrade+0x720/0x720 [ 46.678926] ? debug_object_destroy+0x240/0x240 [ 46.683600] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 46.688709] debug_object_activate+0x382/0x450 [ 46.693320] ? lock_acquire+0x170/0x3c0 [ 46.697324] ? debug_object_assert_init+0x2e0/0x2e0 [ 46.702349] ? do_coredump+0x1504/0x2d55 [ 46.706437] ? profiling_store+0xd0/0xd0 [ 46.710499] __call_rcu.constprop.0+0x31/0x7f0 [ 46.715087] ? _raw_spin_unlock_irq+0x24/0x80 [ 46.719603] __put_cred+0x1ca/0x250 [ 46.723247] do_coredump+0x49d/0x2d55 [ 46.727054] ? trace_hardirqs_off+0x64/0x200 [ 46.731487] ? get_signal+0xc70/0x1f70 [ 46.735390] ? cn_esc_printf+0x520/0x520 [ 46.740063] ? try_to_wake_up+0x7b/0x1050 [ 46.744219] ? trace_hardirqs_off+0x64/0x200 [ 46.748633] ? debug_check_no_obj_freed+0x201/0x482 [ 46.753658] ? lock_downgrade+0x720/0x720 [ 46.757813] ? trace_hardirqs_off+0x64/0x200 [ 46.762248] ? _raw_spin_unlock_irq+0x24/0x80 [ 46.766753] get_signal+0xed9/0x1f70 [ 46.770482] do_signal+0x8f/0x1670 [ 46.774028] ? setup_sigcontext+0x820/0x820 [ 46.778359] ? lock_downgrade+0x720/0x720 [ 46.782620] ? __do_page_fault+0x180/0xd60 [ 46.786950] ? exit_to_usermode_loop+0x36/0x2a0 [ 46.791622] exit_to_usermode_loop+0x204/0x2a0 [ 46.796210] prepare_exit_to_usermode+0x277/0x2d0 [ 46.801071] ? page_fault+0x8/0x30 [ 46.804625] retint_user+0x8/0x18 [ 46.808072] RIP: 0033:0x43031a [ 46.811284] Code: 0f b6 0e 0f b6 07 29 c8 c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78 02 00 00 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f [ 46.830191] RSP: 002b:00007ffcf68f0d58 EFLAGS: 00010283 [ 46.835558] RAX: 0000000000000493 RBX: 00007ffcf68f0da0 RCX: 0000000000440e80 [ 46.842826] RDX: 0000000000000000 RSI: 00000000004a9493 RDI: 0000000000000000 [ 46.850094] RBP: 00007ffcf68f0fa0 R08: 0000000000000000 R09: 0000000000000001 [ 46.857361] R10: 0000000000000064 R11: 00000000004ac6e0 R12: 0000000000000000 [ 46.864648] R13: 000000000000abe6 R14: 000000000000000d R15: 0000000000000005 [ 46.871951] CPU: 1 PID: 8480 Comm: syz-executor803 Tainted: G W 4.19.159-syzkaller #0 [ 46.881246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.888894] FAULT_INJECTION: forcing a failure. [ 46.888894] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.890601] Call Trace: [ 46.890621] dump_stack+0x1fc/0x2fe [ 46.890642] should_fail.cold+0xa/0x14 [ 46.890658] ? setup_fault_attr+0x200/0x200 [ 46.890682] ? __lock_acquire+0x6de/0x3ff0 [ 46.921119] __alloc_pages_nodemask+0x239/0x2890 [ 46.925904] ? mark_held_locks+0xf0/0xf0 [ 46.929992] ? mark_held_locks+0xf0/0xf0 [ 46.934064] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.938909] ? mark_held_locks+0xf0/0xf0 [ 46.942986] ? lock_acquire+0x170/0x3c0 [ 46.946961] ? mem_cgroup_reset+0x200/0x200 [ 46.951289] ? __unlock_page_memcg+0x4f/0x100 [ 46.955802] alloc_pages_current+0x193/0x2a0 [ 46.960230] __get_free_pages+0x8/0x40