R13: 00007fffa5c337bf R14: 00007f2481fca300 R15: 0000000000022000 audit: type=1804 audit(1621278684.516:1260): pid=18653 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir135399875/syzkaller.700qmV/229/bus" dev="sda1" ino=14019 res=1 audit: type=1804 audit(1621278684.526:1261): pid=18654 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir154900416/syzkaller.z2PXqu/263/bus" dev="sda1" ino=13959 res=1 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: 1 PID: 18648 Comm: syz-executor.4 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a1abe580 task.stack: ffff888045310000 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:ffff888045317520 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffc90009d06000 RDX: 0000000000000002 RSI: ffffffff83169584 RDI: ffff888048b7e918 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1007610803 R10: ffff88803b08401c R11: 0000000000000000 R12: 000000000000401d R13: ffff8880453175d8 R14: 0000000000001000 R15: ffff888048b7e924 FS: 00007f2481fca700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f533000 CR3: 000000009cd23000 CR4: 00000000001406e0 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 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: ffff888045317520 RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff888045317520 RIP: scatterwalk_copychunks+0x4a3/0x680 crypto/scatterwalk.c:55 RSP: ffff888045317520 ---[ end trace 330152538852bff0 ]---