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Wed, 18 Sep 2024 15:23:24 -0700 (PDT) Date: Wed, 18 Sep 2024 15:23:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66eb52dc.050a0220.92ef1.0006.GAE@google.com> Subject: [syzbot] upstream test error: BUG: stack guard page was hit in corrupted From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4a39ac5b7d62 Merge tag 'random-6.12-rc1-for-linus' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=153e7fc7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c78e7c8f41d443e6 dashboard link: https://syzkaller.appspot.com/bug?extid=d5db198a0f40411f24c3 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f4127f9a9466/disk-4a39ac5b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/23dcf778c269/vmlinux-4a39ac5b.xz kernel image: https://storage.googleapis.com/syzbot-assets/386c61739e91/bzImage-4a39ac5b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d5db198a0f40411f24c3@syzkaller.appspotmail.com BUG: TASK stack guard page was hit at ffffc9000005fff8 (stack is ffffc90000060000..ffffc90000068000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-syzkaller-05319-g4a39ac5b7d62 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:error_entry+0xd/0x140 arch/x86/entry/entry_64.S:1007 Code: fd ff ff 85 db 0f 85 8e fd ff ff 0f 01 f8 e9 86 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 56 48 8b 74 24 08 48 89 7c 24 08 52 51 <50> 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 f6 RSP: 0000:ffffc90000060000 EFLAGS: 00010046 RAX: 0000000000000002 RBX: ffffc90000060088 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b20128d RDI: ffffffff8bb130e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000005fff8 CR3: 000000000dd7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:error_entry+0xd/0x140 arch/x86/entry/entry_64.S:1007 Code: fd ff ff 85 db 0f 85 8e fd ff ff 0f 01 f8 e9 86 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 56 48 8b 74 24 08 48 89 7c 24 08 52 51 <50> 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 f6 RSP: 0000:ffffc90000060000 EFLAGS: 00010046 RAX: 0000000000000002 RBX: ffffc90000060088 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b20128d RDI: ffffffff8bb130e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000005fff8 CR3: 000000000dd7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 85 db test %ebx,%ebx 2: 0f 85 8e fd ff ff jne 0xfffffd96 8: 0f 01 f8 swapgs b: e9 86 fd ff ff jmp 0xfffffd96 10: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 17: 00 00 00 1a: 56 push %rsi 1b: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 20: 48 89 7c 24 08 mov %rdi,0x8(%rsp) 25: 52 push %rdx 26: 51 push %rcx * 27: 50 push %rax <-- trapping instruction 28: 41 50 push %r8 2a: 41 51 push %r9 2c: 41 52 push %r10 2e: 41 53 push %r11 30: 53 push %rbx 31: 55 push %rbp 32: 41 54 push %r12 34: 41 55 push %r13 36: 41 56 push %r14 38: 41 57 push %r15 3a: 56 push %rsi 3b: 31 f6 xor %esi,%esi --- 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@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup