syzbot


WARNING in mac80211_hwsim_sta_rc_update

Status: upstream: reported C repro on 2025/05/15 15:06
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+c0472dd80bb8f668625f@syzkaller.appspotmail.com
First crash: 102d, last: 21h21m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in mac80211_hwsim_sta_rc_update 0 (2) 2025/07/04 17:44
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in mac80211_hwsim_sta_rc_update origin:lts-only -1 C inconclusive 18 3d04h 95d 0/3 upstream: reported C repro on 2025/05/18 10:26

Sample crash report:
------------[ cut here ]------------
intf 08:02:11:00:00:01 [link=0]: bad STA 00:00:00:ff:ff:ff bandwidth 20 MHz (0) > channel config 10 MHz (7)
WARNING: CPU: 0 PID: 176 at drivers/net/wireless/virtual/mac80211_hwsim.c:2653 mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2650
Modules linked in:
CPU: 0 UID: 0 PID: 176 Comm: kworker/u4:4 Not tainted 6.16.0-rc4-syzkaller-00123-g4c06e63b9203 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2650
Code: 71 17 00 00 48 c7 c7 c0 ae 2d 8c 48 8b 74 24 28 89 ea 48 8b 4c 24 10 41 89 d8 45 89 f9 41 56 50 e8 d0 df 8f fa 48 83 c4 10 90 <0f> 0b 90 90 e9 0c ff ff ff e8 2d 37 cc fa 90 0f 0b 90 e9 fe fe ff
RSP: 0018:ffffc90001a07768 EFLAGS: 00010282
RAX: 2b7aa56dabf85f00 RBX: 0000000000000014 RCX: ffff888000b5a440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000007 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88808d21c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec31d80b8 CR3: 000000001216d000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 mac80211_hwsim_sta_add+0xa3/0x310 drivers/net/wireless/virtual/mac80211_hwsim.c:2670
 drv_sta_add net/mac80211/driver-ops.h:466 [inline]
 drv_sta_state+0x8be/0x1840 net/mac80211/driver-ops.c:155
 sta_info_insert_drv_state net/mac80211/sta_info.c:775 [inline]
 sta_info_insert_finish net/mac80211/sta_info.c:883 [inline]
 sta_info_insert_rcu+0xd32/0x1940 net/mac80211/sta_info.c:960
 ieee80211_ocb_finish_sta net/mac80211/ocb.c:102 [inline]
 ieee80211_ocb_work+0x31f/0x580 net/mac80211/ocb.c:136
 cfg80211_wiphy_work+0x2df/0x460 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (56):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/04 17:44 upstream 4c06e63b9203 d869b261 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in mac80211_hwsim_sta_rc_update
2025/07/09 03:40 linux-next 58ba80c47402 abade794 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/08 18:27 upstream 37816488247d 987b750d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/07 14:13 upstream 6e64f4580381 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in mac80211_hwsim_sta_rc_update
2025/08/04 19:55 upstream 038d61fd6422 abdcb213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in mac80211_hwsim_sta_rc_update
2025/08/02 21:13 upstream 038d61fd6422 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 20:56 upstream 89748acdf226 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in mac80211_hwsim_sta_rc_update
2025/06/24 01:00 upstream 78f4e737a53e 1a7fb460 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/07 10:00 upstream cca7a0aae895 9a42d6b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/08/07 08:38 upstream cca7a0aae895 9a42d6b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/19 13:12 upstream 4871b7cb27f4 7117feec .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/19 10:56 upstream c7de79e662b8 7117feec .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/19 07:00 upstream c7de79e662b8 7117feec .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/14 02:33 upstream 5d5d62298b8b 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/14 02:33 upstream 5d5d62298b8b 3cda49cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in mac80211_hwsim_sta_rc_update
2025/07/04 15:45 upstream 4c06e63b9203 d869b261 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in mac80211_hwsim_sta_rc_update
2025/08/20 17:50 upstream b19a97d57c15 bd178e57 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_sta_rc_update
2025/07/16 14:59 upstream 155a3c003e55 124ec9cc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_sta_rc_update
2025/07/15 03:40 upstream 155a3c003e55 03fcfc4b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 09:09 net 010510128873 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 07:07 net 010510128873 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 03:33 net 759dfc7d04ba 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 02:26 net 759dfc7d04ba 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/01 00:36 net 759dfc7d04ba 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/31 21:49 net 759dfc7d04ba 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/31 12:31 net 759dfc7d04ba f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/26 16:48 net eccf7a3480a0 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/22 20:25 net cf074eca0065 85deaf45 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/07 16:32 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/06 18:27 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/06 00:23 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 08:40 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 07:20 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 06:45 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 06:28 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 06:27 net b9fd9888a565 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/05 02:19 net b9fd9888a565 d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/06/11 22:22 net d9816ec74e6d 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/06/24 23:32 net-next ee1a0c653f9c 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/06/11 23:17 net-next a4a65c6fe08b 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/05/18 10:55 net-next b8fa067c4a76 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/05/18 10:39 net-next b8fa067c4a76 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/05/16 04:52 net-next 1119e5519dcd cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/05/13 03:34 net-next 6b466efc6365 f6671af7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/05/11 14:55 net-next 0b28182c73a3 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/08/11 10:49 linux-next b1549501188c 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in mac80211_hwsim_sta_rc_update
2025/07/20 23:44 linux-next d086c886ceb9 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in mac80211_hwsim_sta_rc_update
2025/07/16 09:46 linux-next 0be23810e32e c118d736 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/16 00:59 linux-next 0be23810e32e 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/15 20:35 linux-next 0be23810e32e 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/15 00:28 linux-next 0be23810e32e 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/13 22:49 linux-next a62b7a37e6fc 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in mac80211_hwsim_sta_rc_update
2025/07/31 21:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in mac80211_hwsim_sta_rc_update
* Struck through repros no longer work on HEAD.