------------[ cut here ]------------ kernel BUG at mm/slab.c:2965! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15785 Comm: syz-executor.5 Not tainted 5.0.0+ #109 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:alloc_block mm/slab.c:2965 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:3024 [inline] RIP: 0010:____cache_alloc mm/slab.c:3127 [inline] RIP: 0010:____cache_alloc mm/slab.c:3110 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3349 [inline] RIP: 0010:slab_alloc mm/slab.c:3384 [inline] RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3554 Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b RSP: 0018:ffff888064707ca8 EFLAGS: 00010086 RAX: 0000000000000005 RBX: ffffea000256a880 RCX: ffff88808dd63c38 RDX: ffff88808dd63c38 RSI: 0000000000000000 RDI: ffff88808dd63c00 RBP: ffff888064707d10 R08: 1ffff1100c8e0f82 R09: 000000000000000c R10: ffffed100c8e0f82 R11: 0000000000000003 R12: ffff88809b7dc800 R13: ffff8880901fd7c0 R14: 000000000000000c R15: ffffe8ffffd6b0b0 FS: 00007f78eb4ad700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 0000000059328000 CR4: 00000000001406e0 Call Trace: sk_prot_alloc+0x67/0x2e0 net/core/sock.c:1601 sk_alloc+0x39/0xf70 net/core/sock.c:1661 kcm_create+0x238/0x940 net/kcm/kcmsock.c:1962 __sock_create+0x3e6/0x750 net/socket.c:1398 sock_create net/socket.c:1449 [inline] __sys_socket+0x103/0x220 net/socket.c:1491 __do_sys_socket net/socket.c:1500 [inline] __se_sys_socket net/socket.c:1498 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1498 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458209 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f78eb4acc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458209 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000029 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78eb4ad6d4 R13: 00000000004c66a8 R14: 00000000004db9f8 R15: 00000000ffffffff Modules linked in: ---[ end trace a572a708f6d9127e ]--- RIP: 0010:alloc_block mm/slab.c:2965 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:3024 [inline] RIP: 0010:____cache_alloc mm/slab.c:3127 [inline] RIP: 0010:____cache_alloc mm/slab.c:3110 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3349 [inline] RIP: 0010:slab_alloc mm/slab.c:3384 [inline] RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3554 Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b RSP: 0018:ffff888064707ca8 EFLAGS: 00010086 RAX: 0000000000000005 RBX: ffffea000256a880 RCX: ffff88808dd63c38 RDX: ffff88808dd63c38 RSI: 0000000000000000 RDI: ffff88808dd63c00 RBP: ffff888064707d10 R08: 1ffff1100c8e0f82 R09: 000000000000000c R10: ffffed100c8e0f82 R11: 0000000000000003 R12: ffff88809b7dc800 R13: ffff8880901fd7c0 R14: 000000000000000c R15: ffffe8ffffd6b0b0 FS: 00007f78eb4ad700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 0000000059328000 CR4: 00000000001406e0