====================================================== WARNING: possible circular locking dependency detected 4.15.0+ #297 Not tainted ------------------------------------------------------ syz-executor1/6115 is trying to acquire lock: (sk_lock-AF_INET){+.+.}, at: [<00000000a059aa06>] lock_sock include/net/sock.h:1463 [inline] (sk_lock-AF_INET){+.+.}, at: [<00000000a059aa06>] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 but task is already holding lock: (rtnl_mutex){+.+.}, at: [<00000000c5f1804e>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rtnl_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 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x218/0x350 net/ipv4/netfilter/ip_tables.c:654 __do_replace+0x79d/0xa50 net/ipv4/netfilter/ip_tables.c:1089 do_replace net/ipv4/netfilter/ip_tables.c:1145 [inline] do_ipt_set_ctl+0x40f/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1259 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #1 (&xt[i].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 xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1041 xt_request_find_table_lock+0x28/0xc0 net/netfilter/x_tables.c:1088 get_info+0x154/0x690 net/ipv6/netfilter/ip6_tables.c:989 do_ipt_get_ctl+0x159/0xac0 net/ipv4/netfilter/ip_tables.c:1699 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x15c/0x220 net/ipv4/ip_sockglue.c:1571 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2934 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #0 (sk_lock-AF_INET){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b other info that might help us debug this: Chain exists of: sk_lock-AF_INET --> &xt[i].mutex --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(&xt[i].mutex); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1 lock held by syz-executor1/6115: #0: (rtnl_mutex){+.+.}, at: [<00000000c5f1804e>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 stack backtrace: CPU: 1 PID: 6115 Comm: syz-executor1 Not tainted 4.15.0+ #297 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.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fe84dc04c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000027 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 0000000000000521 R08: 000000000000000c R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006f6bb8 R13: 00000000ffffffff R14: 00007fe84dc056d4 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7053 Comm: syz-executor5 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 anon_vma_chain_alloc mm/rmap.c:128 [inline] __anon_vma_prepare+0xbc/0x6b0 mm/rmap.c:182 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x1124/0x1b00 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3860 [inline] __handle_mm_fault+0x1a0c/0x3ce0 mm/memory.c:4064 handle_mm_fault+0x38f/0x930 mm/memory.c:4130 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1426 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1501 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1148 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff8801aa177d08 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020499ff8 RDX: 0000000000000048 RSI: ffffc90002f5e000 RDI: 0000000000000286 RBP: ffff8801aa177e00 R08: 0000000000000000 R09: 1ffff1003542ef7e R10: ffff8801aa177bb8 R11: ffff8801d4030148 R12: 1ffff1003542efa7 R13: 0000000000000014 R14: 0000000000000000 R15: 0000000000000015 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007f0403662c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000005ec R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020499ff8 R11: 0000000000000212 R12: 00000000006f7ec0 R13: 0000000000000013 R14: 00007f04036636d4 R15: ffffffffffffffff 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: 7079 Comm: syz-executor5 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 anon_vma_alloc mm/rmap.c:81 [inline] __anon_vma_prepare+0x39d/0x6b0 mm/rmap.c:189 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x1124/0x1b00 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3860 [inline] __handle_mm_fault+0x1a0c/0x3ce0 mm/memory.c:4064 handle_mm_fault+0x38f/0x930 mm/memory.c:4130 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1426 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1501 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1148 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff8801ce287d08 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020499ff8 RDX: 0000000000000048 RSI: ffffc90002f5e000 RDI: 0000000000000286 RBP: ffff8801ce287e00 R08: 0000000000000000 R09: 1ffff10039c50f7e R10: ffff8801ce287bb8 R11: ffff8801ce688d88 R12: 1ffff10039c50fa7 R13: 0000000000000014 R14: 0000000000000000 R15: 0000000000000015 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007f0403662c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000005ec R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020499ff8 R11: 0000000000000212 R12: 00000000006f7ec0 R13: 0000000000000013 R14: 00007f04036636d4 R15: ffffffffffffffff CPU: 0 PID: 7072 Comm: syz-executor0 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 kmem_cache_zalloc include/linux/slab.h:691 [inline] vmx_create_vcpu+0xc4/0x3060 arch/x86/kvm/vmx.c:9698 kvm_arch_vcpu_create+0x12c/0x1a0 arch/x86/kvm/x86.c:7777 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2452 [inline] kvm_vm_ioctl+0x48b/0x1c60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2953 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 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007f2d02585c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 RBP: 000000000000020e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f21f0 R13: 0000000000000015 R14: 00007f2d025866d4 R15: ffffffffffffffff binder: BINDER_SET_CONTEXT_MGR already set binder: 7160:7173 ioctl 40046207 0 returned -16 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7612 Comm: syz-executor6 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 prepare_creds+0x78/0x360 kernel/cred.c:252 install_thread_keyring security/keys/process_keys.c:166 [inline] lookup_user_key+0x5b9/0x1190 security/keys/process_keys.c:556 keyctl_get_persistent+0x18b/0x960 security/keys/persistent.c:156 SYSC_keyctl security/keys/keyctl.c:1738 [inline] SyS_keyctl+0x87/0x2c0 security/keys/keyctl.c:1637 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb68182cc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000016 RBP: 00000000000003ab R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f48a8 R13: 0000000000000013 R14: 00007fb68182d6d4 R15: ffffffffffffffff FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7645 Comm: syz-executor6 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3720 kmemdup+0x24/0x50 mm/util.c:118 kmemdup include/linux/string.h:418 [inline] selinux_cred_prepare+0x43/0xa0 security/selinux/hooks.c:3828 security_prepare_creds+0x7d/0xb0 security/security.c:1000 prepare_creds+0x2b1/0x360 kernel/cred.c:278 install_thread_keyring security/keys/process_keys.c:166 [inline] lookup_user_key+0x5b9/0x1190 security/keys/process_keys.c:556 keyctl_get_persistent+0x18b/0x960 security/keys/persistent.c:156 SYSC_keyctl security/keys/keyctl.c:1738 [inline] SyS_keyctl+0x87/0x2c0 security/keys/keyctl.c:1637 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb68182cc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000016 RBP: 00000000000003ab R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f48a8 R13: 0000000000000013 R14: 00007fb68182d6d4 R15: ffffffffffffffff FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7666 Comm: syz-executor4 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] binder_get_thread+0x1cf/0x870 drivers/android/binder.c:4279 binder_ioctl+0x20c/0x1417 drivers/android/binder.c:4566 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 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fd6412a5c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000040046207 RDI: 0000000000000013 RBP: 0000000000000182 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f14d0 R13: 0000000000000014 R14: 00007fd6412a66d4 R15: ffffffffffffffff binder: 7665:7666 ioctl 40046207 0 returned -12 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7674 Comm: syz-executor6 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 kmem_cache_zalloc include/linux/slab.h:691 [inline] key_alloc+0x381/0xf90 security/keys/key.c:280 keyring_alloc+0x4d/0xb0 security/keys/keyring.c:503 install_thread_keyring_to_cred.part.2+0x83/0xf0 security/keys/process_keys.c:145 install_thread_keyring_to_cred security/keys/process_keys.c:142 [inline] install_thread_keyring security/keys/process_keys.c:170 [inline] lookup_user_key+0x5f8/0x1190 security/keys/process_keys.c:556 keyctl_get_persistent+0x18b/0x960 security/keys/persistent.c:156 SYSC_keyctl security/keys/keyctl.c:1738 [inline] SyS_keyctl+0x87/0x2c0 security/keys/keyctl.c:1637 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb68182cc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000016 RBP: 00000000000003ab R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f48a8 R13: 0000000000000013 R14: 00007fb68182d6d4 R15: ffffffffffffffff binder: BINDER_SET_CONTEXT_MGR already set FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7707 Comm: syz-executor3 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 kmem_cache_zalloc include/linux/slab.h:691 [inline] vmx_create_vcpu+0xc4/0x3060 arch/x86/kvm/vmx.c:9698 kvm_arch_vcpu_create+0x12c/0x1a0 arch/x86/kvm/x86.c:7777 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2452 [inline] kvm_vm_ioctl+0x48b/0x1c60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2953 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 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb67a12ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 RBP: 000000000000020e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f21f0 R13: 0000000000000015 R14: 00007fb67a12b6d4 R15: ffffffffffffffff binder: 7703:7709 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7741:7743 ioctl 40046207 0 returned -16 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7756 Comm: syz-executor3 Not tainted 4.15.0+ #297 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] kvm_arch_vcpu_init+0x362/0x860 arch/x86/kvm/x86.c:8092 kvm_vcpu_init+0x2f9/0x400 arch/x86/kvm/../../../virt/kvm/kvm_main.c:298 vmx_create_vcpu+0x133/0x3060 arch/x86/kvm/vmx.c:9707 kvm_arch_vcpu_create+0x12c/0x1a0 arch/x86/kvm/x86.c:7777 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2452 [inline] kvm_vm_ioctl+0x48b/0x1c60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2953 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 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb67a12ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 RBP: 000000000000020e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f21f0 R13: 0000000000000015 R14: 00007fb67a12b6d4 R15: ffffffffffffffff FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7791 Comm: syz-executor3 Not tainted 4.15.0+ #297 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 binder: BINDER_SET_CONTEXT_MGR already set binder: 7806:7811 ioctl 40046207 0 returned -16 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:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] vmx_create_vcpu+0x2b8/0x3060 arch/x86/kvm/vmx.c:9725 kvm_arch_vcpu_create+0x12c/0x1a0 arch/x86/kvm/x86.c:7777 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2452 [inline] kvm_vm_ioctl+0x48b/0x1c60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2953 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 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453299 RSP: 002b:00007fb67a12ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 RBP: 000000000000020e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f21f0 R13: 0000000000000015 R14: 00007fb67a12b6d4 R15: ffffffffffffffff binder: BINDER_SET_CONTEXT_MGR already set binder: 7833:7847 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7871:7876 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7880:7897 ioctl 40046207 0 returned -16