====================================================== WARNING: possible circular locking dependency detected cgroup: cgroup2: unknown option "" cgroup: cgroup2: unknown option "" 4.15.0-rc9+ #9 Not tainted ------------------------------------------------------ syz-executor7/4133 is trying to acquire lock: (&event->child_mutex){+.+.}, at: [<000000004b862aa7>] perf_event_for_each_child+0x8a/0x150 kernel/events/core.c:4557 but task is already holding lock: (&cpuctx_mutex){+.+.}, at: [<00000000c892392c>] perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0xb6/0x160 kernel/events/core.c:11076 perf_event_init+0x4e9/0x549 kernel/events/core.c:11123 start_kernel+0x4cc/0x819 init/main.c:627 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237 -> #4 (pmus_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0x2f/0x160 kernel/events/core.c:11070 cpuhp_invoke_callback+0x2ea/0x1d20 kernel/cpu.c:182 cpuhp_up_callbacks kernel/cpu.c:477 [inline] _cpu_up+0x216/0x510 kernel/cpu.c:1036 do_cpu_up+0x73/0xa0 kernel/cpu.c:1066 cpu_up+0x18/0x20 kernel/cpu.c:1074 smp_init+0x13a/0x152 kernel/smp.c:578 kernel_init_freeable+0x2fe/0x521 init/main.c:1067 kernel_init+0x13/0x180 init/main.c:999 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:541 -> #3 (cpu_hotplug_lock.rw_sem){++++}: 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+0x42/0x90 kernel/cpu.c:293 static_key_slow_inc+0x9d/0x3c0 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 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+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7959 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9192 perf_init_event kernel/events/core.c:9230 [inline] perf_event_alloc+0x1cc6/0x2b00 kernel/events/core.c:9494 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:9949 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9835 entry_SYSCALL_64_fastpath+0x29/0xa0 -> #2 (tracepoints_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tracepoint_probe_register_prio+0xa0/0x9a0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 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+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7959 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9192 perf_init_event kernel/events/core.c:9230 [inline] perf_event_alloc+0x1cc6/0x2b00 kernel/events/core.c:9494 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:9949 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9835 entry_SYSCALL_64_fastpath+0x29/0xa0 -> #1 (event_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:7943 _free_event+0x3bd/0x10f0 kernel/events/core.c:4104 free_event+0x84/0x150 kernel/events/core.c:4128 perf_event_release_kernel+0x54e/0xc10 kernel/events/core.c:4272 perf_release+0x37/0x50 kernel/events/core.c:4298 __fput+0x327/0x7e0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x9bb/0x1ad0 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73f/0x16c0 kernel/signal.c:2335 do_signal+0x90/0x1eb0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x9e/0xa0 -> #0 (&event->child_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_for_each_child+0x8a/0x150 kernel/events/core.c:4557 _perf_ioctl kernel/events/core.c:4736 [inline] perf_ioctl+0x35a/0x1430 kernel/events/core.c:4748 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x29/0xa0 other info that might help us debug this: Chain exists of: &event->child_mutex --> pmus_lock --> &cpuctx_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex); lock(pmus_lock); lock(&cpuctx_mutex); lock(&event->child_mutex); *** DEADLOCK *** 1 lock held by syz-executor7/4133: #0: (&cpuctx_mutex){+.+.}, at: [<00000000c892392c>] perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249 stack backtrace: CPU: 1 PID: 4133 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 print_circular_bug.isra.37+0x2cd/0x2dc kernel/locking/lockdep.c:1218 check_prev_add kernel/locking/lockdep.c:1858 [inline] check_prevs_add kernel/locking/lockdep.c:1971 [inline] validate_chain kernel/locking/lockdep.c:2412 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3426 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_for_each_child+0x8a/0x150 kernel/events/core.c:4557 _perf_ioctl kernel/events/core.c:4736 [inline] perf_ioctl+0x35a/0x1430 kernel/events/core.c:4748 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fd92cd04c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000000002401 RDI: 0000000000000012 RBP: 0000000000000431 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f5538 R13: 00000000ffffffff R14: 00007fd92cd056d4 R15: 0000000000000000 cgroup: cgroup2: unknown option "" IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 4438 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651 kmalloc_node include/linux/slab.h:537 [inline] kzalloc_node include/linux/slab.h:699 [inline] __get_vm_area_node+0xae/0x340 mm/vmalloc.c:1402 __vmalloc_node_range+0xa3/0x650 mm/vmalloc.c:1754 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f39904c7c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f39904c7aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 00000000200ba000 RDI: 0000000000000005 RBP: 00007f39904c7a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f39904c7bc8 R14: 00000000004b8096 R15: 0000000000000000 syz-executor6: vmalloc: allocation failure: 4096 bytes, mode:0x14280c0(GFP_USER|__GFP_ZERO), nodemask=(null) syz-executor6 cpuset=/ mems_allowed=0 CPU: 0 PID: 4438 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f39904c7c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f39904c7aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 00000000200ba000 RDI: 0000000000000005 RBP: 00007f39904c7a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f39904c7bc8 R14: 00000000004b8096 R15: 0000000000000000 Mem-Info: active_anon:13626 inactive_anon:63 isolated_anon:0 active_file:3706 inactive_file:8238 isolated_file:0 unevictable:0 dirty:6392 writeback:0 unstable:0 slab_reclaimable:10904 slab_unreclaimable:89527 mapped:22091 shmem:70 pagetables:536 bounce:0 free:1478435 free_pcp:500 free_cma:0 Node 0 active_anon:54504kB inactive_anon:252kB active_file:14824kB inactive_file:32952kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88364kB dirty:25568kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2868 6378 6378 Node 0 DMA32 free:2939312kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940016kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:704kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3510 3510 Node 0 Normal free:2958520kB min:37096kB low:46368kB high:55640kB active_anon:54504kB inactive_anon:252kB active_file:14824kB inactive_file:32952kB unevictable:0kB writepending:25568kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3744kB pagetables:2144kB bounce:0kB free_pcp:1292kB local_pcp:684kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 4*8kB (M) 4*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 3*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 716*4096kB (M) = 2939312kB Node 0 Normal: 402*4kB (UME) 833*8kB (UME) 434*16kB (UME) 337*32kB (UME) 283*64kB (UM) 141*128kB (UM) 44*256kB (UME) 7*512kB (UM) 2*1024kB (ME) 2*2048kB (UM) 702*4096kB (M) = 2958544kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12015 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 328415 pages reserved IPVS: ftp: loaded support on port[0] = 21 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 4503 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651 kmalloc_node include/linux/slab.h:537 [inline] kzalloc_node include/linux/slab.h:699 [inline] __get_vm_area_node+0xae/0x340 mm/vmalloc.c:1402 __vmalloc_node_range+0xa3/0x650 mm/vmalloc.c:1754 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f0f91787c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0f91787aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f0f91787a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f0f91787bc8 R14: 00000000004b8096 R15: 0000000000000000 syz-executor3: vmalloc: allocation failure: 4096 bytes, mode:0x14280c0(GFP_USER|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 1 PID: 4503 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f0f91787c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0f91787aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f0f91787a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f0f91787bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 4519 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651 kmalloc_node include/linux/slab.h:537 [inline] alloc_vmap_area+0x11c/0x8c0 mm/vmalloc.c:419 __get_vm_area_node+0xe8/0x340 mm/vmalloc.c:1409 __vmalloc_node_range+0xa3/0x650 mm/vmalloc.c:1754 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f0f91787c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0f91787aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f0f91787a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f0f91787bc8 R14: 00000000004b8096 R15: 0000000000000000 syz-executor3: vmalloc: allocation failure: 4096 bytes, mode:0x14280c0(GFP_USER|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 4519 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f0f91787c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0f91787aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f0f91787a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f0f91787bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 4527 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651 __do_kmalloc_node mm/slab.c:3671 [inline] __kmalloc_node+0x33/0x70 mm/slab.c:3679 kmalloc_node include/linux/slab.h:541 [inline] __vmalloc_area_node mm/vmalloc.c:1686 [inline] __vmalloc_node_range+0x1a1/0x650 mm/vmalloc.c:1759 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc+0x45/0x50 mm/vmalloc.c:1810 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209 SYSC_bpf kernel/bpf/syscall.c:1881 [inline] SyS_bpf+0xe10/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f0f91787c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0f91787aa0 RCX: 0000000000453299 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f0f91787a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f0f91787bc8 R14: 00000000004b8096 R15: 0000000000000000 IPVS: ftp: loaded support on port[0] = 21 CPU: 0 PID: 4500 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #9 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149