audit: type=1804 audit(1613318538.243:29): pid=19744 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir992138376/syzkaller.HTIgWc/429/bus" dev="sda1" ino=16528 res=1
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 19738 Comm: syz-executor.4 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880554fa500 task.stack: ffff888052000000
RIP: 0010:scatterwalk_start syzkaller/managers/linux-4-14/kernel/./include/crypto/scatterwalk.h:86 [inline]
RIP: 0010:scatterwalk_pagedone syzkaller/managers/linux-4-14/kernel/./include/crypto/scatterwalk.h:111 [inline]
RIP: 0010:scatterwalk_copychunks+0x4a3/0x680 syzkaller/managers/linux-4-14/kernel/crypto/scatterwalk.c:55
RSP: 0018:ffff888052007520 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000001000 RCX: ffffc90009d0c000
RDX: 0000000000000002 RSI: ffffffff83154a44 RDI: ffff8880a3a2a068
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100ac9e3f9
R10: ffff8880564f1fcc R11: 0000000000000000 R12: 0000000000001000
R13: ffff8880520075d8 R14: 0000000000003000 R15: ffff8880a3a2a074
FS:  00007fb49f135700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000aaf9b000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 scatterwalk_map_and_copy syzkaller/managers/linux-4-14/kernel/crypto/scatterwalk.c:72 [inline]
 scatterwalk_map_and_copy+0x100/0x1a0 syzkaller/managers/linux-4-14/kernel/crypto/scatterwalk.c:60
 gcmaes_encrypt.constprop.0+0x5b5/0xc00 syzkaller/managers/linux-4-14/kernel/arch/x86/crypto/aesni-intel_glue.c:778
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 syzkaller/managers/linux-4-14/kernel/./include/crypto/scatterwalk.h:86 [inline] RSP: ffff888052007520
RIP: scatterwalk_pagedone syzkaller/managers/linux-4-14/kernel/./include/crypto/scatterwalk.h:111 [inline] RSP: ffff888052007520
RIP: scatterwalk_copychunks+0x4a3/0x680 syzkaller/managers/linux-4-14/kernel/crypto/scatterwalk.c:55 RSP: ffff888052007520
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
audit: type=1804 audit(1613318539.123:30): pid=19732 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir992138376/syzkaller.HTIgWc/429/bus" dev="sda1" ino=16528 res=1
---[ end trace 6cdfb2e640025ca1 ]---