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AJvYcCXxWXjCNetgA9H3zpev6WwFLs9Zh7OaxerS9ODRz9FnB13bjBDLo5zoQcH2eJsUOSp9yAmowjb8mGbS8v0=@vger.kernel.org X-Gm-Message-State: AOJu0YxpX89dYUXd1XFgUVlZn/cBgCU3MYHD6F2aVjOuW4MKEKfUsxZn xcKggVXO/p7Qp2tRpA7sSkMan4NxtomX/OiDiKxNI+zuY8VhBeLJiVr9MFlfQ3QZLhUJ+E5kf+p fqlY7SWjU0gJu+l5nhXOwYPRVDjmrDN5mU221z1t4y+OVBccaVO870xI= X-Google-Smtp-Source: AGHT+IEt+Fh5uVgjBVrVafvE3hyl1o9ukLCIlOwSsdgbSzTGHmbglZoRewnX7GJEexlFpfhubmdyc1cgY+oAXzt7JQcjvcfceMyB Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1f0e:b0:3d3:deee:de2f with SMTP id e9e14a558f8ab-3d7ec1f3891mr121392875ab.7.1744626507803; Mon, 14 Apr 2025 03:28:27 -0700 (PDT) Date: Mon, 14 Apr 2025 03:28:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67fce34b.050a0220.3483fc.0026.GAE@google.com> Subject: [syzbot] [kernel?] linux-next test error: WARNING in switch_mm_irqs_off From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, luto@kernel.org, mingo@redhat.com, peterz@infradead.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: b425262c07a6 Add linux-next specific files for 20250414 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=10ddb398580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cc26bd6fced8397d dashboard link: https://syzkaller.appspot.com/bug?extid=c2537ce72a879a38113e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e04788e9f74f/disk-b425262c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/32ac1bacc159/vmlinux-b425262c.xz kernel image: https://storage.googleapis.com/syzbot-assets/99cc84c793ed/bzImage-b425262c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c2537ce72a879a38113e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9 at arch/x86/mm/tlb.c:919 switch_mm_irqs_off+0x686/0x810 arch/x86/mm/tlb.c:918 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc2-next-20250414-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events once_deferred RIP: 0010:switch_mm_irqs_off+0x686/0x810 arch/x86/mm/tlb.c:918 Code: 90 41 f7 c5 00 08 00 00 0f 84 ee fa ff ff 90 0f 0b 90 e9 e5 fa ff ff 90 0f 0b 90 e9 76 fe ff ff 90 0f 0b 90 e9 cc fb ff ff 90 <0f> 0b 90 4d 39 f4 0f 85 eb fb ff ff e9 31 fc ff ff 90 0f 0b 90 e9 RSP: 0000:ffffc900000e7680 EFLAGS: 00010056 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816ffd4d RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801b070940 RBP: ffffc900000e7750 R08: ffff88801b070947 R09: 1ffff1100360e128 R10: dffffc0000000000 R11: ffffed100360e129 R12: ffffffff8ee49240 R13: ffff88801b070940 R14: ffffffff8ee49240 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888124faa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000001b078000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unuse_temporary_mm+0x9f/0x100 arch/x86/mm/tlb.c:1038 __text_poke+0x7b6/0xb40 arch/x86/kernel/alternative.c:2214 text_poke arch/x86/kernel/alternative.c:2257 [inline] smp_text_poke_batch_finish+0x3e7/0x12c0 arch/x86/kernel/alternative.c:2565 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240 static_key_disable+0x1a/0x20 kernel/jump_label.c:248 once_deferred+0x70/0xb0 lib/once.c:20 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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