netlink: 12 bytes leftover after parsing attributes in process `syz-executor2'. INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 13572 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:729 [inline] register_lock_class+0x1dd2/0x2630 kernel/locking/lockdep.c:755 __lock_acquire+0x1a7/0x5140 kernel/locking/lockdep.c:3319 lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920 __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] ptr_ring_consume include/linux/ptr_ring.h:335 [inline] tun_ring_recv drivers/net/tun.c:2143 [inline] tun_do_read+0x18b1/0x29f0 drivers/net/tun.c:2182 tun_chr_read_iter+0xe5/0x1e0 drivers/net/tun.c:2214 call_read_iter include/linux/fs.h:1778 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x696/0xa50 fs/read_write.c:418 vfs_read+0x17f/0x3d0 fs/read_write.c:452 ksys_pread64+0x174/0x1a0 fs/read_write.c:626 __do_sys_pread64 fs/read_write.c:636 [inline] __se_sys_pread64 fs/read_write.c:633 [inline] __x64_sys_pread64+0x97/0xf0 fs/read_write.c:633 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f8d0a64cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 RAX: ffffffffffffffda RBX: 00007f8d0a64d6d4 RCX: 0000000000455979 RDX: 0000000000000062 RSI: 0000000020000080 RDI: 0000000000000015 RBP: 000000000072bf50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004bc R14: 00000000006fb240 R15: 0000000000000001 kernel msg: ebtables bug: please report to author: bad policy kernel msg: ebtables bug: please report to author: bad policy FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 13908 Comm: syz-executor0 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 anon_vma_chain_alloc mm/rmap.c:128 [inline] __anon_vma_prepare+0xbc/0x700 mm/rmap.c:182 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x136e/0x1cc0 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3854 [inline] __handle_mm_fault+0x2d02/0x4310 mm/memory.c:4058 handle_mm_fault+0x53a/0xc70 mm/memory.c:4124 __do_page_fault+0x60b/0xe40 arch/x86/mm/fault.c:1399 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff880186957d00 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020000080 RDX: 0000000000000047 RSI: ffffffff81a67dc3 RDI: 0000000000000286 RBP: ffff880186957df0 R08: 1ffff10030d2af7d R09: ffff880186957a28 R10: ffffed003a085b88 R11: ffff8801b08ec780 R12: 0000000000000014 R13: 0000000020000080 R14: 0000000000000000 R15: dffffc0000000000 __do_sys_socketpair net/socket.c:1459 [inline] __se_sys_socketpair net/socket.c:1456 [inline] __x64_sys_socketpair+0x97/0xf0 net/socket.c:1456 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f5b5813fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5b581406d4 RCX: 0000000000455979 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000013 R13: 000000000000068c R14: 00000000006fddc0 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13948 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 anon_vma_chain_alloc mm/rmap.c:128 [inline] __anon_vma_prepare+0xbc/0x700 mm/rmap.c:182 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x136e/0x1cc0 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3854 [inline] __handle_mm_fault+0x2d02/0x4310 mm/memory.c:4058 handle_mm_fault+0x53a/0xc70 mm/memory.c:4124 __do_page_fault+0x60b/0xe40 arch/x86/mm/fault.c:1399 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff88018d40fd00 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020000080 RDX: 0000000000000047 RSI: ffffffff81a67dc3 RDI: 0000000000000286 RBP: ffff88018d40fdf0 R08: 1ffff10031a81f7d R09: ffff88018d40fa28 R10: ffffed0037418910 R11: ffff8801b03e4180 R12: 0000000000000014 R13: 0000000020000080 R14: 0000000000000000 R15: dffffc0000000000 __do_sys_socketpair net/socket.c:1459 [inline] __se_sys_socketpair net/socket.c:1456 [inline] __x64_sys_socketpair+0x97/0xf0 net/socket.c:1456 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f7c4147cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f7c4147d6d4 RCX: 0000000000455979 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000013 R13: 000000000000068c R14: 00000000006fddc0 R15: 0000000000000000 CPU: 0 PID: 13952 Comm: syz-executor0 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 anon_vma_alloc mm/rmap.c:81 [inline] __anon_vma_prepare+0x3b3/0x700 mm/rmap.c:189 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x136e/0x1cc0 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3854 [inline] __handle_mm_fault+0x2d02/0x4310 mm/memory.c:4058 handle_mm_fault+0x53a/0xc70 mm/memory.c:4124 __do_page_fault+0x60b/0xe40 arch/x86/mm/fault.c:1399 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff88018ad77d00 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020000080 RDX: 0000000000000047 RSI: ffffffff81a67dc3 RDI: 0000000000000286 RBP: ffff88018ad77df0 R08: 1ffff100315aef7d R09: ffff88018ad77a28 R10: ffffed0030c3b790 R11: ffff88018a5b01c0 R12: 0000000000000014 R13: 0000000020000080 R14: 0000000000000000 R15: dffffc0000000000 __do_sys_socketpair net/socket.c:1459 [inline] __se_sys_socketpair net/socket.c:1456 [inline] __x64_sys_socketpair+0x97/0xf0 net/socket.c:1456 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f5b5813fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5b581406d4 RCX: 0000000000455979 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000013 R13: 000000000000068c R14: 00000000006fddc0 R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13978 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 sock_alloc_inode+0x6f/0x300 net/socket.c:243 alloc_inode+0x63/0x190 fs/inode.c:209 new_inode_pseudo+0x69/0x1a0 fs/inode.c:894 sock_alloc+0x41/0x270 net/socket.c:564 __sock_create+0x161/0x920 net/socket.c:1249 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000000 CPU: 0 PID: 13980 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #40 socket: no more sockets Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 anon_vma_alloc mm/rmap.c:81 [inline] __anon_vma_prepare+0x3b3/0x700 mm/rmap.c:189 anon_vma_prepare include/linux/rmap.h:153 [inline] do_huge_pmd_anonymous_page+0x136e/0x1cc0 mm/huge_memory.c:678 create_huge_pmd mm/memory.c:3854 [inline] __handle_mm_fault+0x2d02/0x4310 mm/memory.c:4058 handle_mm_fault+0x53a/0xc70 mm/memory.c:4124 __do_page_fault+0x60b/0xe40 arch/x86/mm/fault.c:1399 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:68 RSP: 0018:ffff88018eba7d00 EFLAGS: 00010293 RAX: 0000000000000014 RBX: 00007fffffffeffd RCX: 0000000020000080 RDX: 0000000000000047 RSI: ffffffff81a67dc3 RDI: 0000000000000286 RBP: ffff88018eba7df0 R08: 1ffff10031d74f7d R09: 0000000000000000 R10: ffffed003a5d2910 R11: ffff88018b10e100 R12: 0000000000000014 R13: 0000000020000080 R14: 0000000000000000 R15: dffffc0000000000 __do_sys_socketpair net/socket.c:1459 [inline] __se_sys_socketpair net/socket.c:1456 [inline] __x64_sys_socketpair+0x97/0xf0 net/socket.c:1456 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f7c4147cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f7c4147d6d4 RCX: 0000000000455979 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000013 R13: 000000000000068c R14: 00000000006fddc0 R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14003 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc_track_caller+0x2c4/0x760 mm/slab.c:3733 memdup_user+0x2c/0xa0 mm/util.c:160 strndup_user+0x77/0xd0 mm/util.c:217 copy_mount_string fs/namespace.c:2752 [inline] ksys_mount+0x3c/0x140 fs/namespace.c:3049 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f779a7cfc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f779a7d06d4 RCX: 0000000000455979 RDX: 0000000020000140 RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000000 CPU: 1 PID: 14025 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] sock_alloc_inode+0xb3/0x300 net/socket.c:246 alloc_inode+0x63/0x190 fs/inode.c:209 new_inode_pseudo+0x69/0x1a0 fs/inode.c:894 sock_alloc+0x41/0x270 net/socket.c:564 __sock_create+0x161/0x920 net/socket.c:1249 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000001 socket: no more sockets FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14042 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc_track_caller+0x2c4/0x760 mm/slab.c:3733 memdup_user+0x2c/0xa0 mm/util.c:160 strndup_user+0x77/0xd0 mm/util.c:217 copy_mount_string fs/namespace.c:2752 [inline] ksys_mount+0x73/0x140 fs/namespace.c:3054 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f779a7cfc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f779a7d06d4 RCX: 0000000000455979 RDX: 0000000020000140 RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000001 CPU: 0 PID: 14066 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 sk_prot_alloc+0x69/0x2e0 net/core/sock.c:1468 sk_alloc+0x104/0x17b0 net/core/sock.c:1528 inet6_create+0x4f0/0x1240 net/ipv6/af_inet6.c:183 __sock_create+0x526/0x920 net/socket.c:1285 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000002 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14095 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] copy_mount_options+0x5f/0x380 fs/namespace.c:2727 ksys_mount+0xd0/0x140 fs/namespace.c:3059 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f779a7cfc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f779a7d06d4 RCX: 0000000000455979 RDX: 0000000020000140 RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000002 CPU: 0 PID: 14096 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] sctp_endpoint_new+0xf5/0xea0 net/sctp/endpointola.c:191 sctp_init_sock+0xc2d/0x1470 net/sctp/socket.c:4649 inet6_create+0xbbe/0x1240 net/ipv6/af_inet6.c:255 __sock_create+0x526/0x920 net/socket.c:1285 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000003 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14116 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 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:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] sctp_endpoint_init net/sctp/endpointola.c:66 [inline] sctp_endpoint_new+0x161/0xea0 net/sctp/endpointola.c:195 sctp_init_sock+0xc2d/0x1470 net/sctp/socket.c:4649 inet6_create+0xbbe/0x1240 net/ipv6/af_inet6.c:255 __sock_create+0x526/0x920 net/socket.c:1285 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000004 CPU: 1 PID: 14124 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 getname_flags+0xd0/0x5a0 fs/namei.c:140 user_path_at_empty+0x2d/0x50 fs/namei.c:2555 user_path include/linux/namei.h:62 [inline] do_mount+0x172/0x3070 fs/namespace.c:2788 ksys_mount+0x12d/0x140 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f779a7cfc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f779a7d06d4 RCX: 0000000000455979 RDX: 0000000020000140 RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000003 CPU: 0 PID: 14137 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] sctp_auth_shkey_create+0xd4/0x290 net/sctp/auth.c:99 sctp_endpoint_init net/sctp/endpointola.c:151 [inline] sctp_endpoint_new+0x660/0xea0 net/sctp/endpointola.c:195 sctp_init_sock+0xc2d/0x1470 net/sctp/socket.c:4649 inet6_create+0xbbe/0x1240 net/ipv6/af_inet6.c:255 __sock_create+0x526/0x920 net/socket.c:1285 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000005 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14200 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] sctp_auth_shkey_create+0xd4/0x290 net/sctp/auth.c:99 sctp_endpoint_init net/sctp/endpointola.c:151 [inline] sctp_endpoint_new+0x660/0xea0 net/sctp/endpointola.c:195 sctp_init_sock+0xc2d/0x1470 net/sctp/socket.c:4649 inet6_create+0xbbe/0x1240 net/ipv6/af_inet6.c:255 __sock_create+0x526/0x920 net/socket.c:1285 sock_create net/socket.c:1325 [inline] __sys_socket+0x100/0x250 net/socket.c:1355 __do_sys_socket net/socket.c:1364 [inline] __se_sys_socket net/socket.c:1362 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1362 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f07fc358c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f07fc3596d4 RCX: 0000000000455979 RDX: 0000000000000084 RSI: 0000000000000005 RDI: 000000000000000a RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000683 R14: 00000000006fdce8 R15: 0000000000000006