From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8162631354F for ; Wed, 11 Feb 2026 11:53:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770810801; cv=none; b=S+fA+k6W+4uik/tfcWg2kzQSnPeLLJO61Qg4Bvog2RI1jRjVD2xHA2WjfYicQoKNWNH4VCL7pPcoJtG50HbJiWclZgRS57pPvP6PHr846My+xTxkpb05ShmRYJXn9KLNd+rABxVjzvGYVpBkG4uPGBPmD6k+N+tFSN1vloFPWN8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770810801; c=relaxed/simple; bh=tMNsr1dpJkNpTIFJfoGaV6091yw716H1iXF4v1SVXHc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=FalKCv59z51w7zxtENqNEakPxwDuEBvQHON9XwQLjseRqXXHid6ygU4xSJxTKN+FFuFfB7XyKIJqa5rWb2epY1casnSLF9MJQ88rU4VTQhH4zd4GiYOvRLW03eYZ7L1SRH56k6PEtGyOO7A2gGBQcG6jZxIdLVhEOj5lGkFytFU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f69.google.com with SMTP id 46e09a7af769-7cfd107ef0eso37529714a34.1 for ; Wed, 11 Feb 2026 03:53:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770810799; x=1771415599; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=crPJ7u27eyTZrNH+CpyScad4mngQ7dr0a0kUGrBeEeY=; b=rXYE6p3rp9unqK+3oFcDruy8Eyn5dK9Vpz6erWlYeFOVYiMhUUMTK1uNkJy2DIZvn+ SbsCtA5KJDEHUj9oQ4D508H2/NnwaWALsBHfILdlfMkX3ZZiVltfdIL0g3HJj34bawgS gcL6djYhek5KQauCrhCn74Tnc3jm2msxwux95uM/HO2gwxAiTL+wZ9Pf7SmueMIdUL6M JAk1kVPi0RZnxfXnmt11MDZEhe4l6H3xVOqiXTC7L/WQTJJV5TcjjsrdCkwFmntrYDze UrD7Ok/yaGcEwxszIpqJc2IB4lrqTHJothCuzJhvpKUcO/pVAJvbmV3ZVEHxcuooK9jv 9W9Q== X-Forwarded-Encrypted: i=1; AJvYcCXSb9l1l+UC1wWnneE4p/yCgjHSa95I2bI/rzv/SJGg2S1WEolngPcAfabIJFhfr3gWQSB0lX30yoAj/AC/Ww==@vger.kernel.org X-Gm-Message-State: AOJu0YyAhTYoCGpwSB83UJIjh8uxfGbDiud92VQ0XjUtasdxEJsteyUE 4I5Wfwltzf7qt7CvUy70q1TzEcdoQChyfJt8kmrsHfVoSkBlTACWEBMowrK4w71SY+ksQZ1zpUr 9h7RpE1dL8fPwLfedARwpndQZTI8RJQvMJKqRGSISrRwwo/B8vt3fjv8h4T8= Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:80c9:b0:664:85db:66bd with SMTP id 006d021491bc7-6747ee9a813mr764755eaf.7.1770810799497; Wed, 11 Feb 2026 03:53:19 -0800 (PST) Date: Wed, 11 Feb 2026 03:53:19 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <698c6daf.050a0220.2eeac1.0098.GAE@google.com> Subject: [syzbot] [wireless?] KASAN: slab-out-of-bounds Read in ieee80211_ie_split_ric (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: 5d41f95f5d0b dpll: zl3073x: Fix output pin phase adjustmen.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=16b43d3a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e3161cabe5a361ff dashboard link: https://syzkaller.appspot.com/bug?extid=1d7461ceeccc7e92d309 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/182b4bb52a10/disk-5d41f95f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4a86438e761e/vmlinux-5d41f95f.xz kernel image: https://storage.googleapis.com/syzbot-assets/29465cf28ab1/bzImage-5d41f95f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1d7461ceeccc7e92d309@syzkaller.appspotmail.com ================================================================== BUG: KASAN: slab-out-of-bounds in skip_ie net/wireless/util.c:1967 [inline] BUG: KASAN: slab-out-of-bounds in ieee80211_ie_split_ric+0x8fa/0x950 net/wireless/util.c:-1 Read of size 1 at addr ffff88802946afa1 by task syz.3.11380/15499 CPU: 0 UID: 0 PID: 15499 Comm: syz.3.11380 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xba/0x230 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 skip_ie net/wireless/util.c:1967 [inline] ieee80211_ie_split_ric+0x8fa/0x950 net/wireless/util.c:-1 ieee80211_ie_split include/net/cfg80211.h:9693 [inline] cfg80211_sme_get_conn_ies net/wireless/sme.c:529 [inline] cfg80211_sme_connect net/wireless/sme.c:586 [inline] cfg80211_connect+0x11f8/0x2140 net/wireless/sme.c:1527 cfg80211_mgd_wext_connect+0x4a0/0x5f0 net/wireless/wext-sme.c:57 cfg80211_wext_siwessid+0xc4/0x160 net/wireless/wext-compat.c:1412 ioctl_standard_iw_point+0x6cd/0xd90 net/wireless/wext-core.c:865 ioctl_standard_call+0xaf/0x1b0 net/wireless/wext-core.c:1050 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0xee/0x410 net/wireless/wext-core.c:1014 wext_handle_ioctl+0x10f/0x1d0 net/wireless/wext-core.c:1075 sock_ioctl+0x159/0x7f0 net/socket.c:1307 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa2c219aeb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa2c307b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa2c2415fa0 RCX: 00007fa2c219aeb9 RDX: 0000200000000040 RSI: 0000000000008b1a RDI: 0000000000000005 RBP: 00007fa2c2208c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa2c2416038 R14: 00007fa2c2415fa0 R15: 00007ffd00308408 Allocated by task 5139: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5657 [inline] __kmalloc_node_track_caller_noprof+0x558/0x7f0 mm/slub.c:5768 kmemdup_noprof+0x2b/0x70 mm/util.c:138 kmemdup_noprof include/linux/fortify-string.h:765 [inline] cfg80211_wext_siwgenie+0x1ad/0x320 net/wireless/wext-sme.c:322 ioctl_standard_iw_point+0x6cd/0xd90 net/wireless/wext-core.c:865 ioctl_standard_call+0xaf/0x1b0 net/wireless/wext-core.c:1050 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0xee/0x410 net/wireless/wext-core.c:1014 wext_handle_ioctl+0x10f/0x1d0 net/wireless/wext-core.c:1075 sock_ioctl+0x159/0x7f0 net/socket.c:1307 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88802946afa0 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 0 bytes to the right of allocated 1-byte region [ffff88802946afa0, ffff88802946afa1) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802946a1c0 pfn:0x2946a flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000200 ffff88813fe26500 ffffea00015f0210 ffffea0002018250 raw: ffff88802946a1c0 0000000000800079 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 4276, tgid 4272 (syz.2.8413), ts 893909570156, free_ts 893627728021 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x228/0x280 mm/page_alloc.c:1884 prep_new_page mm/page_alloc.c:1892 [inline] get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3945 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5240 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486 alloc_slab_page mm/slub.c:3075 [inline] allocate_slab+0x86/0x3a0 mm/slub.c:3248 new_slab mm/slub.c:3302 [inline] ___slab_alloc+0xd82/0x1760 mm/slub.c:4656 __slab_alloc+0x65/0x100 mm/slub.c:4779 __slab_alloc_node mm/slub.c:4855 [inline] slab_alloc_node mm/slub.c:5251 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_node_track_caller_noprof+0x5b7/0x7f0 mm/slub.c:5768 __kmemdup_nul mm/util.c:64 [inline] kstrdup+0x42/0x100 mm/util.c:84 __kernfs_new_node+0xa9/0x8e0 fs/kernfs/dir.c:633 kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:718 __kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057 sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313 create_files fs/sysfs/group.c:82 [inline] internal_create_group+0x673/0x1180 fs/sysfs/group.c:189 internal_create_groups fs/sysfs/group.c:229 [inline] sysfs_create_groups+0x59/0x120 fs/sysfs/group.c:255 setup_port drivers/infiniband/core/sysfs.c:1247 [inline] ib_setup_port_attrs+0xe1b/0x2140 drivers/infiniband/core/sysfs.c:1433 page last free pid 23 tgid 23 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xbf8/0xd70 mm/page_alloc.c:2973 __tlb_remove_table_free mm/mmu_gather.c:228 [inline] tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xc9e/0x1750 kernel/rcu/tree.c:2857 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:622 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1063 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x726/0x8b0 kernel/kthread.c:463 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Memory state around the buggy address: ffff88802946ae80: fa fc fc fc 04 fc fc fc 04 fc fc fc fa fc fc fc ffff88802946af00: 04 fc fc fc 04 fc fc fc 04 fc fc fc 04 fc fc fc >ffff88802946af80: 04 fc fc fc 01 fc fc fc 04 fc fc fc 04 fc fc fc ^ ffff88802946b000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88802946b080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== --- 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