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AJvYcCUU+pry5I19CPKQnxszrDCEQf7XfkBxe6GLh07kGbM/zLJdGxdQ5tuWyYy7utC5xuZ4LL3/Aisi1j4xjJNbvQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yy+s05ZDyjVS0+DXzETc70/uJZChhTrLl1NevYQhyf1ukV6hzuf PphuELBg5Iayf682GI0E76ZaHLe7qvqH9tEtszfLF+Mt2/Ya4Eewt7o+ghCFEFAvNgRpbYBZqwn Ubt5cdG6XPAkyi/hRv5xij8q8230bLrRxGS0NW1cBKIWfrFILtoKAJhFFIc0= Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:490f:b0:65c:f821:9dd3 with SMTP id 006d021491bc7-661179f9e7bmr3731725eaf.70.1768771581462; Sun, 18 Jan 2026 13:26:21 -0800 (PST) Date: Sun, 18 Jan 2026 13:26:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696d4ffd.050a0220.3390f1.0024.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in drv_get_tsf (2) From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 944aacb68baf Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15f88dfa580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae589cd0a6acd9be dashboard link: https://syzkaller.appspot.com/bug?extid=2cecf0e829ae2219d419 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16259d9a580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1971a9dd2936/disk-944aacb6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cf50ec150c97/vmlinux-944aacb6.xz kernel image: https://storage.googleapis.com/syzbot-assets/eee3d7722c03/bzImage-944aacb6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2cecf0e829ae2219d419@syzkaller.appspotmail.com ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: net/mac80211/driver-ops.c:255 at drv_get_tsf+0x187/0x6f0 net/mac80211/driver-ops.c:255, CPU#0: kworker/u8:11/3538 Modules linked in: CPU: 0 UID: 0 PID: 3538 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:drv_get_tsf+0x18d/0x6f0 net/mac80211/driver-ops.c:255 Code: 0a 00 00 4d 85 e4 0f 84 95 04 00 00 e8 8c 9a dc f6 49 81 c4 20 01 00 00 e8 80 9a dc f6 48 8d 3d 49 e9 b6 05 44 89 f2 4c 89 e6 <67> 48 0f b9 3a e8 69 9a dc f6 4c 89 ea 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000c49fb08 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88805c0c4d80 RCX: ffffffff8ae1c32f RDX: 0000000000000000 RSI: ffff88805c0c4120 RDI: ffffffff9098acd0 RBP: ffff888031cc8e80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88803190c830 R12: ffff88805c0c4120 R13: ffff88805c0c57b8 R14: 0000000000000000 R15: ffff888031cc86d0 FS: 0000000000000000(0000) GS:ffff8881248f9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f239b3156c0 CR3: 0000000075ed0000 CR4: 00000000003526f0 Call Trace: ieee80211_if_fmt_tsf+0x42/0x70 net/mac80211/debugfs_netdev.c:659 wiphy_locked_debugfs_read_work+0xe6/0x1c0 net/wireless/debugfs.c:168 cfg80211_wiphy_work+0x3fb/0x560 net/wireless/core.c:438 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 4d 85 e4 test %r12,%r12 5: 0f 84 95 04 00 00 je 0x4a0 b: e8 8c 9a dc f6 call 0xf6dc9a9c 10: 49 81 c4 20 01 00 00 add $0x120,%r12 17: e8 80 9a dc f6 call 0xf6dc9a9c 1c: 48 8d 3d 49 e9 b6 05 lea 0x5b6e949(%rip),%rdi # 0x5b6e96c 23: 44 89 f2 mov %r14d,%edx 26: 4c 89 e6 mov %r12,%rsi * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e8 69 9a dc f6 call 0xf6dc9a9c 33: 4c 89 ea mov %r13,%rdx 36: 48 rex.W 37: b8 00 00 00 00 mov $0x0,%eax 3c: 00 fc add %bh,%ah 3e: ff .byte 0xff --- 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 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. 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