From: syzbot <syzbot+a6abcf08bad8b18fd198@syzkaller.appspotmail.com>
To: bp@alien8.de, dave.hansen@linux.intel.com, davem@davemloft.net,
herbert@gondor.apana.org.au, hpa@zytor.com,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
mingo@redhat.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, x86@kernel.org
Subject: Re: [syzbot] [crypto?] general protection fault in __aria_aesni_avx_gfni_crypt_16way
Date: Sun, 14 May 2023 20:09:50 -0700 [thread overview]
Message-ID: <000000000000b2cbe305fbb2c9d9@google.com> (raw)
In-Reply-To: <0000000000007fa2d705fb29f046@google.com>
syzbot has found a reproducer for the following issue on:
HEAD commit: 31f4104e392a Merge tag 'locking_urgent_for_v6.4_rc2' of gi..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11768616280000
kernel config: https://syzkaller.appspot.com/x/.config?x=8bc832f563d8bf38
dashboard link: https://syzkaller.appspot.com/bug?extid=a6abcf08bad8b18fd198
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: i386
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1737e3be280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149d4c06280000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-31f4104e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/967f88e07e18/vmlinux-31f4104e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b4e92e4df24e/bzImage-31f4104e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a6abcf08bad8b18fd198@syzkaller.appspotmail.com
general protection fault, maybe for address 0xffffffff8c12a198: 0000 [#1] PREEMPT SMP KASAN
CPU: 2 PID: 5136 Comm: syz-executor269 Not tainted 6.4.0-rc1-syzkaller-00190-g31f4104e392a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:__aria_aesni_avx_gfni_crypt_16way+0x2a6/0x4f40 arch/x86/crypto/aria-aesni-avx-asm_64.S:1164
Code: d0 10 c4 e2 69 00 d7 c5 11 ef ea c5 e9 72 d0 08 c4 e2 69 00 d7 c5 09 ef f2 c4 e2 79 00 d7 c5 01 ef fa c5 f9 6f 05 7a 15 c9 0a <c5> f9 6f 0d 6a 15 c9 0a c5 f9 6f 15 7a 15 c9 0a c5 f9 6f 1d 52 15
RSP: 0018:ffffc9000384f210 EFLAGS: 00010286
RAX: ffff888026364890 RBX: 0000000000000000 RCX: ffff888026364890
RDX: ffff888026364890 RSI: ffff888026364890 RDI: ffff888023c79028
RBP: ffff88801fb3c900 R08: ffff888026364910 R09: ffff888023c79028
R10: ffff88801fb3c800 R11: ffff88801fb3c800 R12: ffff88801fb3c900
R13: ffff888023c79028 R14: dffffc0000000000 R15: ffff888026364890
FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:0000000056fc72c0
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f29a06956a8 CR3: 000000001f222000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
aria_aesni_avx_gfni_ctr_crypt_16way+0x1d/0x110 arch/x86/crypto/aria-aesni-avx-asm_64.S:1339
aria_avx_ctr_encrypt+0x180/0x680 arch/x86/crypto/aria_aesni_avx_glue.c:103
crypto_skcipher_encrypt+0xbc/0x100 crypto/skcipher.c:653
crypto_skcipher_encrypt+0xbc/0x100 crypto/skcipher.c:653
crypto_gcm_encrypt+0x393/0x4b0 crypto/gcm.c:459
crypto_aead_encrypt+0xbc/0x100 crypto/aead.c:121
tls_do_encryption net/tls/tls_sw.c:544 [inline]
tls_push_record+0x12d8/0x30f0 net/tls/tls_sw.c:777
bpf_exec_tx_verdict+0xdf0/0x1210 net/tls/tls_sw.c:817
tls_sw_sendmsg+0x100b/0x1850 net/tls/tls_sw.c:1033
inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:651
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:747
sock_write_iter+0x295/0x3d0 net/socket.c:1140
call_write_iter include/linux/fs.h:1868 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x945/0xd50 fs/read_write.c:584
ksys_write+0x1ec/0x250 fs/read_write.c:637
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f45579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ff8f022c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000580
RDX: 0000000000000278 RSI: 00000000f7fe8000 RDI: 0000000000000000
RBP: 00000000ff8f0290 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__aria_aesni_avx_gfni_crypt_16way+0x2a6/0x4f40 arch/x86/crypto/aria-aesni-avx-asm_64.S:1164
Code: d0 10 c4 e2 69 00 d7 c5 11 ef ea c5 e9 72 d0 08 c4 e2 69 00 d7 c5 09 ef f2 c4 e2 79 00 d7 c5 01 ef fa c5 f9 6f 05 7a 15 c9 0a <c5> f9 6f 0d 6a 15 c9 0a c5 f9 6f 15 7a 15 c9 0a c5 f9 6f 1d 52 15
RSP: 0018:ffffc9000384f210 EFLAGS: 00010286
RAX: ffff888026364890 RBX: 0000000000000000 RCX: ffff888026364890
RDX: ffff888026364890 RSI: ffff888026364890 RDI: ffff888023c79028
RBP: ffff88801fb3c900 R08: ffff888026364910 R09: ffff888023c79028
R10: ffff88801fb3c800 R11: ffff88801fb3c800 R12: ffff88801fb3c900
R13: ffff888023c79028 R14: dffffc0000000000 R15: ffff888026364890
FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:0000000056fc72c0
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f29a06956a8 CR3: 000000001f222000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: d0 10 rclb (%rax)
2: c4 e2 69 00 d7 vpshufb %xmm7,%xmm2,%xmm2
7: c5 11 ef ea vpxor %xmm2,%xmm13,%xmm13
b: c5 e9 72 d0 08 vpsrld $0x8,%xmm0,%xmm2
10: c4 e2 69 00 d7 vpshufb %xmm7,%xmm2,%xmm2
15: c5 09 ef f2 vpxor %xmm2,%xmm14,%xmm14
19: c4 e2 79 00 d7 vpshufb %xmm7,%xmm0,%xmm2
1e: c5 01 ef fa vpxor %xmm2,%xmm15,%xmm15
22: c5 f9 6f 05 7a 15 c9 vmovdqa 0xac9157a(%rip),%xmm0 # 0xac915a4
29: 0a
* 2a: c5 f9 6f 0d 6a 15 c9 vmovdqa 0xac9156a(%rip),%xmm1 # 0xac9159c <-- trapping instruction
31: 0a
32: c5 f9 6f 15 7a 15 c9 vmovdqa 0xac9157a(%rip),%xmm2 # 0xac915b4
39: 0a
3a: c5 .byte 0xc5
3b: f9 stc
3c: 6f outsl %ds:(%rsi),(%dx)
3d: 1d .byte 0x1d
3e: 52 push %rdx
3f: 15 .byte 0x15
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
next prev parent reply other threads:[~2023-05-15 3:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-08 7:53 [syzbot] [crypto?] general protection fault in __aria_aesni_avx_gfni_crypt_16way syzbot
2023-05-15 3:09 ` syzbot [this message]
2023-05-15 5:57 ` Herbert Xu
2023-05-16 17:48 ` Ard Biesheuvel
2023-05-16 18:08 ` syzbot
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