skbuff: bad partial csum: csum=250/65511 len=311 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 2715 Comm: syz-executor5 Not tainted 4.15.0-rc2+ #148 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:___cache_free+0x2f/0x2f0 mm/slab.c:3513 RSP: 0018:ffff8801d4c67710 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8801d4c67948 RCX: 0000000000000000 RDX: ffffffff822641db RSI: ffff8801d4c67948 RDI: ffff8801d76dfcc0 RBP: ffff8801d4c67770 R08: ffff8801d784f540 R09: ffff8801cadcadc8 R10: ffff8801d4c67950 R11: 0000000000000108 R12: 0000000000000282 R13: ffff8801d4c67948 R14: ffff1003add328a0 R15: ffff8801d76dfcc0 FS: 00007f9da7145700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020f43fc0 CR3: 00000001cc200000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cache_free mm/slab.c:3494 [inline] kfree+0x1a3/0x250 mm/slab.c:3806 blkcipher_walk_done+0x72b/0xde0 crypto/blkcipher.c:139 encrypt+0x20e/0x540 arch/x86/crypto/salsa20_glue.c:79 skcipher_crypt_blkcipher crypto/skcipher.c:622 [inline] skcipher_decrypt_blkcipher+0x213/0x310 crypto/skcipher.c:640 crypto_skcipher_decrypt include/crypto/skcipher.h:463 [inline] _skcipher_recvmsg crypto/algif_skcipher.c:144 [inline] skcipher_recvmsg+0xa54/0xf20 crypto/algif_skcipher.c:165 sock_recvmsg_nosec net/socket.c:809 [inline] sock_recvmsg+0xc9/0x110 net/socket.c:816 ___sys_recvmsg+0x29b/0x630 net/socket.c:2185 __sys_recvmsg+0xe2/0x210 net/socket.c:2230 SYSC_recvmsg net/socket.c:2242 [inline] SyS_recvmsg+0x2d/0x50 net/socket.c:2237 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f9da7144c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000758190 RCX: 0000000000452a39 RDX: 0000000040000003 RSI: 0000000020f3f000 RDI: 0000000000000016 RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3728 R13: 00000000ffffffff R14: 00007f9da71456d4 R15: 0000000000000002 Code: 41 57 41 56 41 55 41 54 49 89 ff 53 49 89 f5 48 83 ec 38 4c 8b 37 65 4c 03 35 b6 ba 5a 7e 83 3d db 47 b8 04 01 0f 8f b5 00 00 00 <41> 8b 46 04 41 39 06 0f 83 65 01 00 00 0f 1f 44 00 00 41 8b 06 RIP: ___cache_free+0x2f/0x2f0 mm/slab.c:3513 RSP: ffff8801d4c67710 ---[ end trace 7561994c46fc6c5d ]--- Kernel panic - not syncing: Fatal exception in interrupt Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..