R13: 00007ffe9839b24f R14: 00007f693b7b2300 R15: 0000000000022000
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 27068 Comm: syz-executor.5 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805bb7c6c0 task.stack: ffff888051700000
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:86 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline]
RIP: 0010:scatterwalk_copychunks+0x4a3/0x680 crypto/scatterwalk.c:55
RSP: 0018:ffff888051707520 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffc900088e8000
RDX: 0000000000000002 RSI: ffffffff83154a44 RDI: ffff8880b02006d8
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100b1d6803
R10: ffff888058eb401c R11: 0000000000000000 R12: 000000000000401d
R13: ffff8880517075d8 R14: 0000000000001000 R15: ffff8880b02006e4
FS:  00007f693b7b2700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004af815 CR3: 000000009f8b3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 scatterwalk_map_and_copy crypto/scatterwalk.c:72 [inline]
 scatterwalk_map_and_copy+0x100/0x1a0 crypto/scatterwalk.c:60
 gcmaes_encrypt.constprop.0+0x6cd/0xc00 arch/x86/crypto/aesni-intel_glue.c:802
attempt to access beyond end of device
loop3: rw=12288, want=8200, limit=8192
attempt to access beyond end of device
loop3: rw=12288, want=8200, limit=8192
Code: fc ff df 80 3c 02 00 0f 85 d9 01 00 00 48 8d 45 10 49 89 6d 00 48 89 c2 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 81 01 00 00 48 b8 00 00 00 
RIP: scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RSP: ffff888051707520
RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff888051707520
RIP: scatterwalk_copychunks+0x4a3/0x680 crypto/scatterwalk.c:55 RSP: ffff888051707520
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
---[ end trace 9095c8f5295aaa2d ]---