Hello, syzbot found the following issue on: HEAD commit: 2e1e1337881b Merge tag '6.4-rc-ksmbd-server-fixes-part2' o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=122a50b8280000 kernel config: https://syzkaller.appspot.com/x/.config?x=c1d541e02d3faec 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 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2e1e1337.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/38d33ceb7578/vmlinux-2e1e1337.xz kernel image: https://storage.googleapis.com/syzbot-assets/91f968ac33ba/bzImage-2e1e1337.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a6abcf08bad8b18fd198@xxxxxxxxxxxxxxxxxxxxxxxxx general protection fault, maybe for address 0xffffffff8c123858: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19386 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller-13390-g2e1e1337881b #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 5a ac c8 0a <c5> f9 6f 0d 4a ac c8 0a c5 f9 6f 15 5a ac c8 0a c5 f9 6f 1d 32 ac RSP: 0018:ffffc90021a67048 EFLAGS: 00010286 RAX: ffff888027fc2890 RBX: 0000000000000000 RCX: ffff888027fc2890 RDX: ffff888027fc2890 RSI: ffff888027fc2890 RDI: ffff88802731c828 RBP: ffff888015ef8d00 R08: ffff888027fc2910 R09: ffff88802731c828 R10: ffff888015ef8c00 R11: ffff888015ef8c00 R12: ffff888015ef8d00 R13: ffff88802731c828 R14: dffffc0000000000 R15: ffff888027fc2890 FS: 00007f8122ec1700(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002cc0 CR3: 0000000076f07000 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] do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735 do_iter_write+0x185/0x7e0 fs/read_write.c:860 vfs_writev+0x1aa/0x670 fs/read_write.c:933 do_writev+0x279/0x2f0 fs/read_write.c:976 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f812208c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8122ec1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f81221abf80 RCX: 00007f812208c169 RDX: 0000000000000001 RSI: 0000000020003d00 RDI: 0000000000000003 RBP: 00007f81220e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe74050cff R14: 00007f8122ec1300 R15: 0000000000022000 </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 5a ac c8 0a <c5> f9 6f 0d 4a ac c8 0a c5 f9 6f 15 5a ac c8 0a c5 f9 6f 1d 32 ac RSP: 0018:ffffc90021a67048 EFLAGS: 00010286 RAX: ffff888027fc2890 RBX: 0000000000000000 RCX: ffff888027fc2890 RDX: ffff888027fc2890 RSI: ffff888027fc2890 RDI: ffff88802731c828 RBP: ffff888015ef8d00 R08: ffff888027fc2910 R09: ffff88802731c828 R10: ffff888015ef8c00 R11: ffff888015ef8c00 R12: ffff888015ef8d00 R13: ffff88802731c828 R14: dffffc0000000000 R15: ffff888027fc2890 FS: 00007f8122ec1700(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002cc0 CR3: 0000000076f07000 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 5a ac c8 vmovdqa 0xac8ac5a(%rip),%xmm0 # 0xac8ac84 29: 0a * 2a: c5 f9 6f 0d 4a ac c8 vmovdqa 0xac8ac4a(%rip),%xmm1 # 0xac8ac7c <-- trapping instruction 31: 0a 32: c5 f9 6f 15 5a ac c8 vmovdqa 0xac8ac5a(%rip),%xmm2 # 0xac8ac94 39: 0a 3a: c5 .byte 0xc5 3b: f9 stc 3c: 6f outsl %ds:(%rsi),(%dx) 3d: 1d .byte 0x1d 3e: 32 .byte 0x32 3f: ac lods %ds:(%rsi),%al --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
