================================ WARNING: inconsistent lock state 4.15.0-rc9+ #283 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor5/3722 [HC0[0]:SC1[1]:HE1:SE0] takes: (&(&est->lock)->rlock){+.?.}, at: [<00000000400b1b47>] spin_lock include/linux/spinlock.h:310 [inline] (&(&est->lock)->rlock){+.?.}, at: [<00000000400b1b47>] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 gen_new_estimator+0x317/0x770 net/core/gen_estimator.c:162 xt_rateest_tg_checkentry+0x487/0xaa0 net/netfilter/xt_RATEEST.c:135 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv6/netfilter/ip6_tables.c:538 [inline] find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749 do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1452 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1831 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1810 entry_SYSCALL_64_fastpath+0x29/0xa0 irq event stamp: 2807286 hardirqs last enabled at (2807286): [<00000000535bfa5e>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2807286): [<00000000535bfa5e>] _raw_spin_unlock_irq+0x27/0x70 kernel/locking/spinlock.c:192 hardirqs last disabled at (2807285): [<00000000ab872385>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (2807285): [<00000000ab872385>] _raw_spin_lock_irq+0x3c/0x80 kernel/locking/spinlock.c:160 softirqs last enabled at (2806606): [<00000000069e0480>] __do_softirq+0x7a0/0xb85 kernel/softirq.c:311 softirqs last disabled at (2807283): [<000000001b6e2bc6>] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (2807283): [<000000001b6e2bc6>] irq_exit+0x1cc/0x200 kernel/softirq.c:405 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&est->lock)->rlock); lock(&(&est->lock)->rlock); *** DEADLOCK *** 2 locks held by syz-executor5/3722: #0: (&mm->mmap_sem){++++}, at: [<00000000c7db1542>] __might_fault+0xe0/0x1d0 mm/memory.c:4534 #1: ((&est->timer)){+.-.}, at: [<000000008bf6e866>] lockdep_copy_map include/linux/lockdep.h:178 [inline] #1: ((&est->timer)){+.-.}, at: [<000000008bf6e866>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1308 stack backtrace: CPU: 0 PID: 3722 Comm: syz-executor5 Not tainted 4.15.0-rc9+ #283 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_usage_bug+0x377/0x38c kernel/locking/lockdep.c:2537 valid_state kernel/locking/lockdep.c:2550 [inline] mark_lock_irq kernel/locking/lockdep.c:2744 [inline] mark_lock+0xf61/0x1430 kernel/locking/lockdep.c:3142 mark_irqflags kernel/locking/lockdep.c:3020 [inline] __lock_acquire+0x173a/0x3e00 kernel/locking/lockdep.c:3383 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 est_timer+0x97/0x7c0 net/core/gen_estimator.c:85 call_timer_fn+0x228/0x820 kernel/time/timer.c:1318 expire_timers kernel/time/timer.c:1355 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1658 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1684 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:937 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3917 RSP: 0018:ffff8801d067fcb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11 RAX: dffffc0000000000 RBX: ffff8801d0670100 RCX: 0000000000000000 RDX: 1ffffffff0d5918d RSI: 0000000034333126 RDI: 0000000000000282 RBP: ffff8801d067fda8 R08: 1ffff1003a0cfef9 R09: 0000000000000005 R10: ffff8801d067fc90 R11: 0000000000000003 R12: 1ffff1003a0cff9c R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 __might_fault+0x13a/0x1d0 mm/memory.c:4535 _copy_from_user+0x2c/0x110 lib/usercopy.c:10 copy_from_user include/linux/uaccess.h:147 [inline] get_timespec64+0x75/0x170 kernel/time/time.c:849 SYSC_nanosleep kernel/time/hrtimer.c:1549 [inline] SyS_nanosleep+0x7e/0x1f0 kernel/time/hrtimer.c:1544 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x47e980 RSP: 002b:0000000000a2f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 00000000006fb968 RCX: 000000000047e980 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000a2f580 RBP: 00000000006fafe0 R08: 0000000000000001 R09: 0000000001725940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 00000000006fb968 R14: 000000000002ff40 R15: 0000000000000010 sock: sock_set_timeout: `syz-executor3' (pid 25997) tries to set negative timeout binder: 26048 RLIMIT_NICE not set binder: 26047:26048 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: send failed reply for transaction 142 to 26047:26053 binder: undelivered TRANSACTION_COMPLETE binder: 26048 RLIMIT_NICE not set binder: 26047:26048 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 26048 RLIMIT_NICE not set binder: release 26047:26053 transaction 144 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 144, target dead netlink: 'syz-executor1': attribute type 1 has an invalid length. netlink: 'syz-executor1': attribute type 1 has an invalid length. Cannot find add_set index 0 as target irq bypass consumer (token 00000000a58c1685) registration fails: -16 device bridge0 entered promiscuous mode irq bypass consumer (token 00000000e9352bd8) registration fails: -16 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26312 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26326 comm=syz-executor5 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=26347 comm=syz-executor5 binder: 26363 RLIMIT_NICE not set CPU: 0 PID: 26338 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #283 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] kvmalloc_node+0x99/0xd0 mm/util.c:397 kvmalloc include/linux/mm.h:541 [inline] xt_alloc_table_info+0x64/0xe0 net/netfilter/x_tables.c:1006 do_replace net/ipv6/netfilter/ip6_tables.c:1156 [inline] do_ip6t_set_ctl+0x29b/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1452 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1831 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1810 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc05b661c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fc05b661aa0 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000013 RBP: 00007fc05b661a90 R08: 00000000000003b8 R09: 0000000000000000 R10: 0000000020019c48 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc05b661bc8 R14: 00000000004b8096 R15: 0000000000000000 binder: send failed reply for transaction 146 to 26358:26369 binder: BINDER_SET_CONTEXT_MGR already set binder: 26358:26369 ioctl 40046207 0 returned -16 binder: 26363 RLIMIT_NICE not set binder_alloc: 26358: binder_alloc_buf, no vma binder: 26358:26363 transaction failed 29189/-3, size 0-0 line 2903 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26506 Comm: syz-executor5 Not tainted 4.15.0-rc9+ #283 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+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] netlink_dump+0x545/0xcf0 net/netlink/af_netlink.c:2170 netlink_recvmsg+0x9bf/0x1300 net/netlink/af_netlink.c:1947 sock_recvmsg_nosec net/socket.c:811 [inline] sock_recvmsg+0xc9/0x110 net/socket.c:818 ___sys_recvmsg+0x2a4/0x640 net/socket.c:2187 __sys_recvmsg+0xe2/0x210 net/socket.c:2232 SYSC_recvmsg net/socket.c:2244 [inline] SyS_recvmsg+0x2d/0x50 net/socket.c:2239 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f95e5a70c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f95e5a70aa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020003fc8 RDI: 0000000000000013 RBP: 00007f95e5a70a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f95e5a70bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 26546 Comm: syz-executor5 Not tainted 4.15.0-rc9+ #283 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_track_caller+0x33/0x70 mm/slab.c:3686 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] netlink_dump+0x545/0xcf0 net/netlink/af_netlink.c:2170 netlink_recvmsg+0x9bf/0x1300 net/netlink/af_netlink.c:1947 sock_recvmsg_nosec net/socket.c:811 [inline] sock_recvmsg+0xc9/0x110 net/socket.c:818 ___sys_recvmsg+0x2a4/0x640 net/socket.c:2187 __sys_recvmsg+0xe2/0x210 net/socket.c:2232 SYSC_recvmsg net/socket.c:2244 [inline] SyS_recvmsg+0x2d/0x50 net/socket.c:2239 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f95e5a70c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f95e5a70aa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020003fc8 RDI: 0000000000000013 RBP: 00007f95e5a70a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f95e5a70bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26650 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f3181d6bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3181d6baa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020d65000 RDI: 0000000000000013 RBP: 00007f3181d6ba90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f3181d6bbc8 R14: 00000000004b8096 R15: 0000000000000000 ipt_CLUSTERIP: unknown mode 3 ipt_CLUSTERIP: unknown mode 3 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26670 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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_track_caller+0x33/0x70 mm/slab.c:3686 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f3181d6bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3181d6baa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020d65000 RDI: 0000000000000013 RBP: 00007f3181d6ba90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f3181d6bbc8 R14: 00000000004b8096 R15: 0000000000000000 kauditd_printk_skb: 75 callbacks suppressed audit: type=1400 audit(1517132212.844:4783): avc: denied { net_bind_service } for pid=1328 comm="kworker/0:1H" capability=10 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 26694 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] nlmsg_new include/net/netlink.h:511 [inline] netlink_ack+0x283/0xa10 net/netlink/af_netlink.c:2343 netlink_rcv_skb+0x2b4/0x380 net/netlink/af_netlink.c:2415 nfnetlink_rcv+0x200/0x1920 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] netlink_unicast+0x4ee/0x700 net/netlink/af_netlink.c:1301 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f3181d6bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3181d6baa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020d65000 RDI: 0000000000000013 RBP: 00007f3181d6ba90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f3181d6bbc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26724 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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_track_caller+0x33/0x70 mm/slab.c:3686 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] nlmsg_new include/net/netlink.h:511 [inline] netlink_ack+0x283/0xa10 net/netlink/af_netlink.c:2343 netlink_rcv_skb+0x2b4/0x380 net/netlink/af_netlink.c:2415 nfnetlink_rcv+0x200/0x1920 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] netlink_unicast+0x4ee/0x700 net/netlink/af_netlink.c:1301 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f3181d6bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3181d6baa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020d65000 RDI: 0000000000000013 RBP: 00007f3181d6ba90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f3181d6bbc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26887 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #283 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_fail_alloc_page mm/page_alloc.c:2948 [inline] prepare_alloc_pages mm/page_alloc.c:4187 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4226 alloc_pages_current+0xb6/0x1e0 mm/mempolicy.c:2036 alloc_pages include/linux/gfp.h:492 [inline] skb_page_frag_refill+0x358/0x5f0 net/core/sock.c:2201 tun_build_skb.isra.49+0x2e1/0x17d0 drivers/net/tun.c:1459 tun_get_user+0x1693/0x3710 drivers/net/tun.c:1628 tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1809 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x525/0x7f0 fs/read_write.c:653 do_iter_write+0x154/0x540 fs/read_write.c:932 vfs_writev+0x18a/0x340 fs/read_write.c:977 do_writev+0xfc/0x2a0 fs/read_write.c:1012 SYSC_writev fs/read_write.c:1085 [inline] SyS_writev+0x27/0x30 fs/read_write.c:1082 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453171 RSP: 002b:00007fdcd29e4b80 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fdcd29e4aa0 RCX: 0000000000453171 RDX: 0000000000000001 RSI: 00007fdcd29e4bd0 RDI: 0000000000000012 RBP: 00007fdcd29e4a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000066 R11: 0000000000000293 R12: 00000000004b8096 R13: 00007fdcd29e4bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 26906 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #283 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 mm/slab.c:3368 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3542 __build_skb+0x9d/0x450 net/core/skbuff.c:281 build_skb+0x6f/0x2a0 net/core/skbuff.c:312 tun_build_skb.isra.49+0x985/0x17d0 drivers/net/tun.c:1518 tun_get_user+0x1693/0x3710 drivers/net/tun.c:1628 tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:1809 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x525/0x7f0 fs/read_write.c:653 do_iter_write+0x154/0x540 fs/read_write.c:932 vfs_writev+0x18a/0x340 fs/read_write.c:977 do_writev+0xfc/0x2a0 fs/read_write.c:1012 SYSC_writev fs/read_write.c:1085 [inline] SyS_writev+0x27/0x30 fs/read_write.c:1082 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453171 RSP: 002b:00007fdcd29e4b80 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fdcd29e4aa0 RCX: 0000000000453171 RDX: 0000000000000001 RSI: 00007fdcd29e4bd0 RDI: 0000000000000012 RBP: 00007fdcd29e4a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000066 R11: 0000000000000293 R12: 00000000004b8096 R13: 00007fdcd29e4bc8 R14: 00000000004b8096 R15: 0000000000000000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl QAT: Invalid ioctl netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4996 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl QAT: Invalid ioctl