__dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x87b/0xab0 lib/fault-inject.c:149 should_failslab+0x279/0x2a0 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slub.c:2663 [inline] slab_alloc mm/slub.c:2745 [inline] __kmalloc+0xc2/0x350 mm/slub.c:3785 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] drbg_alloc_state crypto/drbg.c:1206 [inline] drbg_instantiate crypto/drbg.c:1481 [inline] drbg_kcapi_seed+0x129f/0x2270 crypto/drbg.c:1880 general protection fault: 0000 [#1] SMP PTI crypto_rng_reset+0x262/0x310 crypto/rng.c:52 Dumping ftrace buffer: rng_setkey+0x8b/0xa0 crypto/algif_rng.c:167 (ftrace buffer empty) alg_setkey crypto/af_alg.c:223 [inline] alg_setsockopt+0x6c5/0x740 crypto/af_alg.c:256 Modules linked in: CPU: 0 PID: 4561 Comm: syz-executor7 Not tainted 4.16.0+ #87 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 SYSC_setsockopt+0x4b8/0x570 net/socket.c:1849 RIP: 0010:get_freepointer mm/slub.c:270 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:285 [inline] RIP: 0010:slab_alloc_node mm/slub.c:2706 [inline] RIP: 0010:slab_alloc mm/slub.c:2745 [inline] RIP: 0010:__kmalloc+0x13b/0x350 mm/slub.c:3785 SyS_setsockopt+0x76/0xa0 net/socket.c:1828 RSP: 0018:ffff88019da5f7c8 EFLAGS: 00010286 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 RAX: 0000000000000000 RBX: ffff88021fc420f0 RCX: ffff8801ceb99d00 RDX: 0000000000004e48 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 RBP: ffff88019da5f828 R08: ffff88021f005500 R09: 0000000000000002 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 R10: 0000000000000000 R11: ffff88019da50000 R12: 746e6e6f635f666e RIP: 0033:0x455979 R13: ffff88021f005500 R14: ffff8801ceb9a698 R15: 00000000014080c0 RSP: 002b:00007ffcc1d7f998 EFLAGS: 00000246 FS: 0000000000f45940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 ORIG_RAX: 0000000000000036 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: ffffffffffffffda RBX: 0000000001769914 RCX: 0000000000455979 CR2: 000000000093002d CR3: 000000019da44000 CR4: 00000000001406f0 RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000004 R13: 000000000000055e R14: 00000000006fc170 R15: 0000000000000004 Call Trace: FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] __register_sysctl_table+0x17c/0x29f0 fs/proc/proc_sysctl.c:1298 CPU: 1 PID: 4575 Comm: syz-executor4 Not tainted 4.16.0+ #87 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 register_net_sysctl+0x9f/0xb0 net/sysctl_net.c:120 Call Trace: xfrm6_net_sysctl_init net/ipv6/xfrm6_policy.c:340 [inline] xfrm6_net_init+0x255/0x400 net/ipv6/xfrm6_policy.c:387 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x87b/0xab0 lib/fault-inject.c:149 ops_init+0x60f/0x7b0 net/core/net_namespace.c:118 should_failslab+0x279/0x2a0 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slub.c:2663 [inline] slab_alloc mm/slub.c:2745 [inline] __kmalloc+0xc2/0x350 mm/slub.c:3785 setup_net+0x213/0xcf0 net/core/net_namespace.c:302 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] drbg_alloc_state crypto/drbg.c:1206 [inline] drbg_instantiate crypto/drbg.c:1481 [inline] drbg_kcapi_seed+0x129f/0x2270 crypto/drbg.c:1880 copy_net_ns+0x572/0xc40 net/core/net_namespace.c:426 create_new_namespaces+0x7f5/0xe80 kernel/nsproxy.c:107 crypto_rng_reset+0x262/0x310 crypto/rng.c:52 unshare_nsproxy_namespaces+0x23b/0x320 kernel/nsproxy.c:206 rng_setkey+0x8b/0xa0 crypto/algif_rng.c:167 SYSC_unshare+0x88c/0x10f0 kernel/fork.c:2408 alg_setkey crypto/af_alg.c:223 [inline] alg_setsockopt+0x6c5/0x740 crypto/af_alg.c:256 SyS_unshare+0x36/0x50 kernel/fork.c:2358 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 SYSC_setsockopt+0x4b8/0x570 net/socket.c:1849 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 SyS_setsockopt+0x76/0xa0 net/socket.c:1828 RIP: 0033:0x458427 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 RSP: 002b:00007ffd7da03588 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458427 RIP: 0033:0x455979 RDX: 0000000000000000 RSI: 00007ffd7da03560 RDI: 0000000040000000 RSP: 002b:00007ffe69bb7868 EFLAGS: 00000246 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001a R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004117f0 ORIG_RAX: 0000000000000036 R13: 0000000000411880 R14: 0000000000000000 R15: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000001b32914 RCX: 0000000000455979 Code: RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 8b RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 18 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000004 65 R13: 000000000000055e R14: 00000000006fc170 R15: 0000000000000004 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 48 8b 53 08 65 48 03 1c 25 28 a1 02 00 4c CPU: 1 PID: 4578 Comm: syz-executor5 Not tainted 4.16.0+ #87 8b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 23 Call Trace: 4d __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 85 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x87b/0xab0 lib/fault-inject.c:149 e4 should_failslab+0x279/0x2a0 mm/failslab.c:32 0f slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slub.c:2663 [inline] slab_alloc mm/slub.c:2745 [inline] __kmalloc+0xc2/0x350 mm/slub.c:3785 84 38 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] drbg_alloc_state crypto/drbg.c:1206 [inline] drbg_instantiate crypto/drbg.c:1481 [inline] drbg_kcapi_seed+0x129f/0x2270 crypto/drbg.c:1880 01 00 crypto_rng_reset+0x262/0x310 crypto/rng.c:52 00 rng_setkey+0x8b/0xa0 crypto/algif_rng.c:167 48 alg_setkey crypto/af_alg.c:223 [inline] alg_setsockopt+0x6c5/0x740 crypto/af_alg.c:256 83 7b 10 SYSC_setsockopt+0x4b8/0x570 net/socket.c:1849 00 SyS_setsockopt+0x76/0xa0 net/socket.c:1828 0f do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 84 2d entry_SYSCALL_64_after_hwframe+0x3d/0xa2 01 RIP: 0033:0x455979 00 RSP: 002b:00007ffd92459f68 EFLAGS: 00000246 00 ORIG_RAX: 0000000000000036 49 RAX: ffffffffffffffda RBX: 0000000000c75914 RCX: 0000000000455979 RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 63 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000004 40 R13: 000000000000055e R14: 00000000006fc170 R15: 0000000000000004 20 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 <49> CPU: 1 PID: 4579 Comm: syz-executor5 Not tainted 4.16.0+ #87 8b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 1c Call Trace: 04 48 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 89 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x87b/0xab0 lib/fault-inject.c:149 d1 should_failslab+0x279/0x2a0 mm/failslab.c:32 48 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slub.c:2663 [inline] slab_alloc mm/slub.c:2745 [inline] __kmalloc+0xc2/0x350 mm/slub.c:3785 83 c1 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] drbg_alloc_state crypto/drbg.c:1206 [inline] drbg_instantiate crypto/drbg.c:1481 [inline] drbg_kcapi_seed+0x129f/0x2270 crypto/drbg.c:1880 01 49 crypto_rng_reset+0x262/0x310 crypto/rng.c:52 8b rng_setkey+0x8b/0xa0 crypto/algif_rng.c:167 38 alg_setkey crypto/af_alg.c:223 [inline] alg_setsockopt+0x6c5/0x740 crypto/af_alg.c:256 4c 89 e0 SYSC_setsockopt+0x4b8/0x570 net/socket.c:1849 65 SyS_setsockopt+0x76/0xa0 net/socket.c:1828 48 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287 0f c7 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 RIP: 0033:0x455979 RIP: get_freepointer mm/slub.c:270 [inline] RSP: ffff88019da5f7c8 RIP: get_freepointer_safe mm/slub.c:285 [inline] RSP: ffff88019da5f7c8 RIP: slab_alloc_node mm/slub.c:2706 [inline] RSP: ffff88019da5f7c8 RIP: slab_alloc mm/slub.c:2745 [inline] RSP: ffff88019da5f7c8 RIP: __kmalloc+0x13b/0x350 mm/slub.c:3785 RSP: ffff88019da5f7c8 RSP: 002b:00007ffd92459f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000c75914 RCX: 0000000000455979 ---[ end trace daeb94e6788ce821 ]--- RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000004