syzbot


WARNING in ieee80211_tx_skb_tid

Status: upstream: reported on 2025/08/17 21:16
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+8bd4574e8c52c48c2595@syzkaller.appspotmail.com
First crash: 55d, last: 20d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_tx_skb_tid 0 (1) 2025/08/17 21:16

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14551 at net/mac80211/tx.c:6202 ieee80211_tx_skb_tid+0x380/0x420 net/mac80211/tx.c:6202
Modules linked in:
CPU: 1 UID: 0 PID: 14551 Comm: syz.0.2079 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ieee80211_tx_skb_tid+0x380/0x420 net/mac80211/tx.c:6202
Code: a9 a3 f6 e9 b1 fe ff ff e8 3d ce c5 f6 90 0f 0b 90 e9 1f fe ff ff e8 2f ce c5 f6 90 0f 0b 90 e9 2a fe ff ff e8 21 ce c5 f6 90 <0f> 0b 90 e8 58 e2 fd ff 31 ff 48 8b 34 24 ba 02 00 00 00 48 83 c4
RSP: 0018:ffffc90002e872d8 EFLAGS: 00010287
RAX: ffffffff8af9ef3f RBX: ffffffff8af9ebef RCX: 0000000000080000
RDX: ffffc90013040000 RSI: 000000000002d764 RDI: 000000000002d765
RBP: 00000000ffffffff R08: 0000000000000000 R09: ffffffff8af9ebef
R10: dffffc0000000000 R11: ffffed100a1f70de R12: ffff88804f364d80
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f2bfbc326c0(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62c2650e9c CR3: 00000000605c7000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ieee80211_tx_skb net/mac80211/ieee80211_i.h:2409 [inline]
 mesh_plink_frame_tx+0x734/0xc10 net/mac80211/mesh_plink.c:354
 mesh_plink_deactivate+0x18e/0x2f0 net/mac80211/mesh_plink.c:410
 mesh_sta_cleanup+0x42/0x150 net/mac80211/mesh.c:171
 __cleanup_single_sta net/mac80211/sta_info.c:167 [inline]
 cleanup_single_sta+0x40f/0x660 net/mac80211/sta_info.c:192
 __sta_info_flush+0x5e4/0x710 net/mac80211/sta_info.c:1683
 sta_info_flush net/mac80211/sta_info.h:970 [inline]
 ieee80211_do_stop+0x399/0x1fb0 net/mac80211/iface.c:509
 ieee80211_stop+0x1b1/0x240 net/mac80211/iface.c:814
 __dev_close_many+0x364/0x6f0 net/core/dev.c:1755
 netif_close_many+0x225/0x410 net/core/dev.c:1780
 netif_close+0x158/0x210 net/core/dev.c:1797
 dev_close+0x10a/0x220 net/core/dev_api.c:220
 cfg80211_shutdown_all_interfaces+0xd4/0x220 net/wireless/core.c:277
 cfg80211_rfkill_set_block+0x2d/0x50 net/wireless/core.c:307
 rfkill_set_block+0x1d2/0x440 net/rfkill/core.c:346
 rfkill_fop_write+0x44b/0x570 net/rfkill/core.c:1301
 vfs_write+0x27e/0xb30 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2bfad8eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2bfbc32038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2bfafd6360 RCX: 00007f2bfad8eba9
RDX: 0000000000000008 RSI: 0000200000000080 RDI: 000000000000000b
RBP: 00007f2bfae11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2bfafd63f8 R14: 00007f2bfafd6360 R15: 00007ffef4adc938
 </TASK>

Crashes (14):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/17 04:59 upstream 5aca7966d2a7 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_skb_tid
2025/08/31 10:54 upstream c8bc81a52d5a 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_skb_tid
2025/08/20 17:51 upstream b19a97d57c15 bd178e57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_skb_tid
2025/08/20 11:20 upstream b19a97d57c15 79512909 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_skb_tid
2025/08/13 21:09 upstream 91325f31afc1 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/08/13 21:08 upstream 91325f31afc1 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/09/18 03:03 upstream d4b779985a6c e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in ieee80211_tx_skb_tid
2025/09/10 16:26 upstream 9dd1835ecda5 fdeaa69b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_skb_tid
2025/09/07 09:42 upstream b236920731dd d291dd2d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_skb_tid
2025/09/17 23:41 net dc5f94b1ec8f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/09/17 23:40 net dc5f94b1ec8f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/09/17 23:40 net dc5f94b1ec8f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/09/06 15:02 net e2a10daba849 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_skb_tid
2025/09/03 21:46 net f63e7c8a8389 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_skb_tid
* Struck through repros no longer work on HEAD.