syzbot


WARNING in ieee80211_do_stop (2)

Status: auto-obsoleted due to no activity on 2024/10/22 18:25
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+d7aa450b9ba2a184513b@syzkaller.appspotmail.com
First crash: 160d, last: 152d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_do_stop (2) 0 (1) 2024/07/11 16:32
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_do_stop wireless 1 882d 878d 0/28 auto-obsoleted due to no activity on 2022/09/13 22:46

Sample crash report:
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
tipc: Left network mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/mac80211/iface.c:515 ieee80211_do_stop+0x18d2/0x1ec0 net/mac80211/iface.c:515
Modules linked in:
CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc7-syzkaller-00256-gd0d0cd380055 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: netns cleanup_net
RIP: 0010:ieee80211_do_stop+0x18d2/0x1ec0 net/mac80211/iface.c:515
Code: fd ff ff e8 a0 9a a7 f6 4c 89 ef e8 f8 45 0c 00 48 8b 5c 24 60 e9 9f fd ff ff e8 89 9a a7 f6 e9 95 fd ff ff e8 7f 9a a7 f6 90 <0f> 0b 90 e9 e9 ea ff ff e8 71 9a a7 f6 90 43 0f b6 04 27 84 c0 0f
RSP: 0018:ffffc90000107380 EFLAGS: 00010293
RAX: ffffffff8aee8cb1 RBX: 0000000000000002 RCX: ffff8880176b3c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900001074e8 R08: ffffffff8aee7790 R09: 1ffffffff1f58d25
R10: dffffc0000000000 R11: fffffbfff1f58d26 R12: dffffc0000000000
R13: ffff88806c808e20 R14: 0000000000000001 R15: ffff88802a436750
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3a7ba5 CR3: 000000006d6fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_stop+0x436/0x4a0 net/mac80211/iface.c:765
 __dev_close_many+0x219/0x300 net/core/dev.c:1556
 dev_close_many+0x24e/0x4c0 net/core/dev.c:1581
 dev_close+0x1c0/0x2c0 net/core/dev.c:1607
 cfg80211_shutdown_all_interfaces+0xbb/0x1d0 net/wireless/core.c:280
 ieee80211_remove_interfaces+0x106/0x700 net/mac80211/iface.c:2278
 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1659
 mac80211_hwsim_del_radio+0x2c2/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5576
 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6453
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x802/0xcc0 net/core/net_namespace.c:640
 process_one_work kernel/workqueue.c:3248 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/14 04:57 upstream d0d0cd380055 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_do_stop
2024/07/07 16:54 net-next 2f5e6395714d bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_do_stop
2024/07/07 16:31 net-next 2f5e6395714d bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_do_stop
2024/07/07 16:26 net-next 2f5e6395714d bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_do_stop
2024/07/14 18:25 linux-next 3fe121b62282 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ieee80211_do_stop
* Struck through repros no longer work on HEAD.