====================================================== WARNING: possible circular locking dependency detected 4.14.129 #23 Not tainted ------------------------------------------------------ syz-executor.3/12080 is trying to acquire lock: (event_mutex){+.+.}, at: [] perf_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env but task is already holding lock: ( kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' &cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 which lock already depends on the new lock. kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex/1){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 mutex_lock_double kernel/events/core.c:9904 [inline] __perf_event_ctx_lock_double kernel/events/core.c:9963 [inline] SYSC_perf_event_open+0x121f/0x24b0 kernel/events/core.c:10225 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env -> #4 (&cpuctx_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0xc2/0x170 kernel/events/core.c:11223 perf_event_init+0x2d8/0x31a kernel/events/core.c:11270 start_kernel+0x3b6/0x6fd init/main.c:621 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:380 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:361 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #3 (pmus_lock){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0x2f/0x170 kernel/events/core.c:11217 cpuhp_invoke_callback+0x1ea/0x1ab0 kernel/cpu.c:184 cpuhp_up_callbacks kernel/cpu.c:572 [inline] _cpu_up+0x228/0x530 kernel/cpu.c:1134 do_cpu_up+0x121/0x150 kernel/cpu.c:1169 cpu_up+0x1b/0x20 kernel/cpu.c:1177 smp_init+0x157/0x170 kernel/smp.c:578 kernel_init_freeable+0x30b/0x532 init/main.c:1067 kernel_init+0x12/0x162 init/main.c:999 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #2 (cpu_hotplug_lock.rw_sem){++++}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cpus_read_lock+0x3d/0xc0 kernel/cpu.c:295 static_key_slow_inc+0x13/0x30 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x4d6/0x6d0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd48/0x2530 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (tracepoints_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tracepoint_probe_register_prio+0x36/0x6d0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd48/0x2530 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (event_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0xe6/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd48/0x2530 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: event_mutex --> &cpuctx_mutex --> &cpuctx_mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex/1); lock(&cpuctx_mutex); lock(&cpuctx_mutex/1); lock(event_mutex); *** DEADLOCK *** 2 locks held by syz-executor.3/12080: #0: (&pmus_srcu){....}, at: [] perf_event_alloc.part.0+0xba8/0x2530 kernel/events/core.c:9636 #1: (&cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 stack backtrace: CPU: 0 PID: 12080 Comm: syz-executor.3 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0xe6/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd48/0x2530 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004592c9 RDX: 0000000000000001 RSI: ffffffffffffffff RDI: 0000000020000080 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c5f2a R14: 00000000004da8c8 R15: 00000000ffffffff kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: failed to resolve './fi': -2 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env CPU: 1 PID: 12182 Comm: syz-executor.3 Not tainted 4.14.129 #23 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline] netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' __sys_sendmsg+0xb9/0x140 net/socket.c:2096 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdaa55e3c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 12202 Comm: syz-executor.3 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 overlayfs: failed to resolve './file1': -2 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline] netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdaa55e3c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 CPU: 0 PID: 12203 Comm: syz-executor.4 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xcb/0x580 fs/namei.c:128 getname fs/namei.c:209 [inline] SYSC_renameat2 fs/namei.c:4559 [inline] SyS_renameat2+0x15c/0xa30 fs/namei.c:4530 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 CPU: 1 PID: 12204 Comm: syz-executor.1 Not tainted 4.14.129 #23 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline] netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007ff046bc1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff046bc1c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff046bc26d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env CPU: 0 PID: 12227 Comm: syz-executor.3 Not tainted 4.14.129 #23 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x47/0x780 mm/slab.c:3550 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' skb_clone+0x129/0x320 net/core/skbuff.c:1282 __netlink_deliver_tap_skb net/netlink/af_netlink.c:266 [inline] __netlink_deliver_tap+0x55e/0x7d0 net/netlink/af_netlink.c:291 overlayfs: failed to resolve './file1': -2 netlink_deliver_tap net/netlink/af_netlink.c:302 [inline] netlink_deliver_tap_kernel net/netlink/af_netlink.c:311 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1285 [inline] netlink_unicast+0x663/0x780 net/netlink/af_netlink.c:1312 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdaa55e3c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 CPU: 1 PID: 12231 Comm: syz-executor.1 Not tainted 4.14.129 #23 kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline] netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007ff046bc1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff046bc1c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff046bc26d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 CPU: 0 PID: 12241 Comm: syz-executor.3 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] genlmsg_new include/net/genetlink.h:359 [inline] __send_and_alloc_skb+0x74/0xd0 drivers/net/team/team.c:2370 team_nl_send_options_get+0x11c/0xe00 drivers/net/team/team.c:2393 team_nl_cmd_options_get+0x1d1/0x2e0 drivers/net/team/team.c:2463 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x780 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdaa55e3c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 12245 Comm: syz-executor.4 Not tainted 4.14.129 #23 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2891 [inline] prepare_alloc_pages mm/page_alloc.c:4124 [inline] __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172 __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x80/0x400 mm/slab.c:2676 cache_alloc_refill mm/slab.c:3043 [inline] ____cache_alloc mm/slab.c:3125 [inline] ____cache_alloc mm/slab.c:3108 [inline] __do_cache_alloc mm/slab.c:3347 [inline] slab_alloc mm/slab.c:3382 [inline] kmem_cache_alloc+0x6a6/0x780 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xcb/0x580 fs/namei.c:128 getname fs/namei.c:209 [inline] SYSC_renameat2 fs/namei.c:4559 [inline] SyS_renameat2+0x15c/0xa30 fs/namei.c:4530 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 CPU: 0 PID: 12247 Comm: syz-executor.1 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x47/0x780 mm/slab.c:3550 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' skb_clone+0x129/0x320 net/core/skbuff.c:1282 __netlink_deliver_tap_skb net/netlink/af_netlink.c:266 [inline] __netlink_deliver_tap+0x55e/0x7d0 net/netlink/af_netlink.c:291 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env netlink_deliver_tap net/netlink/af_netlink.c:302 [inline] netlink_deliver_tap_kernel net/netlink/af_netlink.c:311 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1285 [inline] netlink_unicast+0x663/0x780 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007ff046bc1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff046bc1c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff046bc26d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' CPU: 0 PID: 12257 Comm: syz-executor.3 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] genlmsg_new include/net/genetlink.h:359 [inline] __send_and_alloc_skb+0x74/0xd0 drivers/net/team/team.c:2370 team_nl_send_options_get+0x11c/0xe00 drivers/net/team/team.c:2393 team_nl_cmd_options_get+0x1d1/0x2e0 drivers/net/team/team.c:2463 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x780 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007fdaa55e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdaa55e3c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdaa55e46d4 R13: 00000000004c6c5c R14: 00000000004dbc18 R15: 0000000000000005 overlayfs: failed to resolve './file1': -2 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 12278 Comm: syz-executor.4 Not tainted 4.14.129 #23 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xcb/0x580 fs/namei.c:128 getname fs/namei.c:209 [inline] SYSC_renameat2 fs/namei.c:4566 [inline] SyS_renameat2+0x1aa/0xa30 fs/namei.c:4530 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: failed to resolve './file1': -2 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 12313 Comm: syz-executor.4 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2891 [inline] prepare_alloc_pages mm/page_alloc.c:4124 [inline] __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x80/0x400 mm/slab.c:2676 cache_alloc_refill mm/slab.c:3043 [inline] ____cache_alloc mm/slab.c:3125 [inline] ____cache_alloc mm/slab.c:3108 [inline] __do_cache_alloc mm/slab.c:3347 [inline] slab_alloc mm/slab.c:3382 [inline] kmem_cache_alloc+0x6a6/0x780 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xcb/0x580 fs/namei.c:128 getname fs/namei.c:209 [inline] SYSC_renameat2 fs/namei.c:4566 [inline] SyS_renameat2+0x1aa/0xa30 fs/namei.c:4530 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5a4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5a4c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5a56d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env CPU: 1 PID: 12341 Comm: syz-executor.4 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 __d_alloc+0x2d/0x9f0 fs/dcache.c:1623 d_alloc+0x4d/0x270 fs/dcache.c:1710 __lookup_hash fs/namei.c:1570 [inline] __lookup_hash+0x58/0x180 fs/namei.c:1562 SYSC_renameat2 fs/namei.c:4601 [inline] SyS_renameat2+0x4b7/0xa30 fs/namei.c:4530 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: failed to resolve './file1': -2 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env overlayfs: failed to resolve './file1': -2 CPU: 0 PID: 12371 Comm: syz-executor.4 Not tainted 4.14.129 #23 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 __d_alloc+0x2d/0x9f0 fs/dcache.c:1623 kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' d_alloc+0x4d/0x270 fs/dcache.c:1710 d_alloc_parallel+0xe5/0x17f0 fs/dcache.c:2492 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env lookup_slow+0x188/0x440 fs/namei.c:1678 lookup_one_len_unlocked+0x2dc/0x340 fs/namei.c:2594 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env ovl_lookup_single+0x36/0x6f0 fs/overlayfs/namei.c:208 ovl_lookup_layer+0x32a/0x420 fs/overlayfs/namei.c:265 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env ovl_lookup+0x34e/0x1100 fs/overlayfs/namei.c:620 kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env lookup_real fs/namei.c:1554 [inline] __lookup_hash fs/namei.c:1574 [inline] __lookup_hash+0x10b/0x180 fs/namei.c:1562 SYSC_renameat2 fs/namei.c:4601 [inline] SyS_renameat2+0x4b7/0xa30 fs/namei.c:4530 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' CPU: 0 PID: 12395 Comm: syz-executor.4 Not tainted 4.14.129 #23 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2f0/0x7a0 mm/slab.c:3729 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kmalloc_array include/linux/slab.h:607 [inline] kcalloc include/linux/slab.h:618 [inline] ovl_lookup+0x78f/0x1100 fs/overlayfs/namei.c:660 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' lookup_real fs/namei.c:1554 [inline] __lookup_hash fs/namei.c:1574 [inline] __lookup_hash+0x10b/0x180 fs/namei.c:1562 SYSC_renameat2 fs/namei.c:4601 [inline] SyS_renameat2+0x4b7/0xa30 fs/namei.c:4530 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 overlayfs: failed to resolve './file1': -2 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: failed to resolve './file1': -2 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 0 PID: 12429 Comm: syz-executor.4 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 __d_alloc+0x2d/0x9f0 fs/dcache.c:1623 d_alloc+0x4d/0x270 fs/dcache.c:1710 d_alloc_parallel+0xe5/0x17f0 fs/dcache.c:2492 lookup_slow+0x188/0x440 fs/namei.c:1678 lookup_one_len_unlocked+0x2dc/0x340 fs/namei.c:2594 ovl_lookup_single+0x36/0x6f0 fs/overlayfs/namei.c:208 ovl_lookup_layer+0x32a/0x420 fs/overlayfs/namei.c:265 ovl_lookup+0x87c/0x1100 fs/overlayfs/namei.c:670 lookup_real fs/namei.c:1554 [inline] __lookup_hash fs/namei.c:1574 [inline] __lookup_hash+0x10b/0x180 fs/namei.c:1562 SYSC_renameat2 fs/namei.c:4601 [inline] SyS_renameat2+0x4b7/0xa30 fs/namei.c:4530 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' CPU: 0 PID: 12460 Comm: syz-executor.4 Not tainted 4.14.129 #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2f0/0x7a0 mm/slab.c:3729 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ovl_alloc_entry+0x25/0x70 fs/overlayfs/util.c:70 ovl_lookup+0x4db/0x1100 fs/overlayfs/namei.c:708 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' lookup_real fs/namei.c:1554 [inline] __lookup_hash fs/namei.c:1574 [inline] __lookup_hash+0x10b/0x180 fs/namei.c:1562 SYSC_renameat2 fs/namei.c:4601 [inline] SyS_renameat2+0x4b7/0xa30 fs/namei.c:4530 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' RIP: 0033:0x4592c9 RSP: 002b:00007f0e3c5c5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f0e3c5c5c90 RCX: 00000000004592c9 RDX: 0000000000000003 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f0e3c5c66d4 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env R13: 00000000004c6656 R14: 00000000004db438 R15: 0000000000000004 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: failed to resolve './file1': -2 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: failed to resolve './file1F q~*$u +': -2 kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: failed to resolve './file1F q~*$u +': -2 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option " Ōч5T2t$bfPÆvwߑiuu}syyR.R?Ze!:L@Qi`?w~i҄Ĝ?;qh8aXxXp`>C"$R|[;r" or missing value overlayfs: failed to resolve './file1': -2 kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option " Ōч5T2t$bfPÆvwߑiuu}syyR.R?Ze!:L@Qi`?w~i҄Ĝ?;qh8aXxXp`>C"$R|[;r" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env overlayfs: failed to resolve 'Wޫv./file1|`doF{`][;@= ?qh{'˼ ueCc>Hld{^$JA]6K*.ǠssR': -2 kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. overlayfs: failed to resolve 'Wޫv./file1|`doF{`][;@= ?qh{'˼ ueCc>Hld{^$JA]6K*.ǠssR': -2 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: unrecognized mount option "" or missing value kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env overlayfs: unrecognized mount option "" or missing value kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: failed to resolve './file1': -2 kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: unrecognized mount option "upper/fire0" or missing value overlayfs: missing 'lowerdir' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env overlayfs: missing 'lowerdir' kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: unrecognized mount option "lowerd=./file1" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "lowerd=./file1" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env overlayfs: unrecognized mount option "warkdir=./file1" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env overlayfs: unrecognized mount option "warkdir=./file1" or missing value kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: filesystem on './file0' not supported as upperdir kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1400 audit(1561374504.116:93): avc: denied { setattr } for pid=12670 comm="syz-executor.3" name="NETLINK" dev="sockfs" ino=45812 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: failed to resolve '..p =ˆﯠ2/file1overlay': -2 overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: failed to resolve '..p =ˆﯠ2/file1overlay': -2 kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: failed to resolve '/file1': -2 overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env overlayfs: failed to resolve '/file1': -2 kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env overlayfs: filesystem on './file0' not supported as upperdir overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env overlayfs: unrecognized mount option "upper/fire0" or missing value overlayfs: filesystem on './file0' not supported as upperdir kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop1' (ffff8880a4a08660): kobject_uevent_env kobject: 'loop1' (ffff8880a4a08660): fill_kobj_path: path = '/devices/virtual/block/loop1' QAT: Invalid ioctl kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1400 audit(1561374504.856:94): avc: denied { setopt } for pid=12769 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 overlayfs: unrecognized mount option "upper/fire0" or missing value netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop5' (ffff8880a4b4f2e0): kobject_uevent_env QAT: Invalid ioctl kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env QAT: Invalid ioctl kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b4f2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop4' (ffff8880a4af5260): kobject_uevent_env kobject: 'loop4' (ffff8880a4af5260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a4a5a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "upper/fire0" or missing value kobject: 'loop3' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: filesystem on './file0' not supported as upperdir