audit: type=1400 audit(1555567159.926:36): avc: denied { map } for pid=7056 comm="syz-executor608" path="/root/syz-executor608215424" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 ------------[ cut here ]------------ kernel BUG at ./include/linux/scatterlist.h:124! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 7081 Comm: syz-executor608 Not tainted 4.14.112 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88807d75c700 task.stack: ffff888080920000 RIP: 0010:sg_page include/linux/scatterlist.h:124 [inline] RIP: 0010:gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828 RSP: 0018:ffff8880809277c8 EFLAGS: 00010297 RAX: ffff88807d75c700 RBX: ffff8880914e3148 RCX: 0000000087654321 RDX: 0000000000000000 RSI: 1ffff1101229c5ba RDI: ffff8880914e2de4 RBP: ffff8880809278a0 R08: ffff8880914e3720 R09: ffffed1010124f1c R10: ffffed1010124f1b R11: ffff8880809278db R12: ffffea00024a8d42 R13: ffff8880914e317c R14: 0000000000000010 R15: ffff8880a5268a00 FS: 00000000011a9880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002640 CR3: 00000000a8ac6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_gcmaes_decrypt+0xf4/0x130 arch/x86/crypto/aesni-intel_glue.c:1126 crypto_aead_decrypt include/crypto/aead.h:362 [inline] gcmaes_wrapper_decrypt+0x168/0x200 arch/x86/crypto/aesni-intel_glue.c:961 crypto_aead_decrypt include/crypto/aead.h:362 [inline] _aead_recvmsg crypto/algif_aead.c:316 [inline] aead_recvmsg+0x827/0x1da0 crypto/algif_aead.c:335 sock_recvmsg_nosec net/socket.c:819 [inline] sock_recvmsg net/socket.c:826 [inline] sock_recvmsg+0xc8/0x110 net/socket.c:822 ___sys_recvmsg+0x221/0x4d0 net/socket.c:2221 __sys_recvmmsg+0x226/0x6b0 net/socket.c:2329 SYSC_recvmmsg net/socket.c:2405 [inline] SyS_recvmmsg+0x125/0x140 net/socket.c:2394 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4412c9 RSP: 002b:00007ffcb0fdb928 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004 RBP: 000000000000a6e1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020f0 R13: 0000000000402180 R14: 0000000000000000 R15: 0000000000000000 Code: 0f 0b e8 98 09 2e 00 0f 0b e8 91 09 2e 00 0f 0b e8 8a 09 2e 00 0f 0b e8 83 09 2e 00 e8 ea 74 d1 ff e9 63 ff ff ff e8 74 09 2e 00 <0f> 0b e8 6d 09 2e 00 0f 0b 4c 89 85 58 ff ff ff e8 5f 09 2e 00 RIP: sg_page include/linux/scatterlist.h:124 [inline] RSP: ffff8880809277c8 RIP: gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828 RSP: ffff8880809277c8 ---[ end trace 52916f13b0ddb713 ]---