syzbot


WARNING in ieee80211_free_keys

Status: upstream: reported on 2025/02/26 13:14
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+f9bc4ca17b97b000cf78@syzkaller.appspotmail.com
First crash: 60d, last: 35d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_free_keys 0 (1) 2025/02/26 13:14

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10992 at net/mac80211/key.c:1162 ieee80211_free_keys+0x567/0x680 net/mac80211/key.c:1161
Modules linked in:
CPU: 1 UID: 0 PID: 10992 Comm: syz.4.1781 Not tainted 6.14.0-rc6-syzkaller-00121-gd9c743b6990b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ieee80211_free_keys+0x567/0x680 net/mac80211/key.c:1161
Code: 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 38 e8 3e f6 90 0f 0b 90 e9 17 fc ff ff e8 2a e8 3e f6 90 <0f> 0b 90 4c 8b 64 24 20 e9 77 fe ff ff e8 17 e8 3e f6 e9 2d fe ff
RSP: 0018:ffffc90002f87360 EFLAGS: 00010287
RAX: ffffffff8b82f6e6 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cd5b000 RSI: 00000000000010c9 RDI: 00000000000010ca
RBP: ffffc90002f87430 R08: ffffffff8b82f4e7 R09: 1ffff920005f0e20
R10: dffffc0000000000 R11: fffff520005f0e21 R12: 0000000000000001
R13: ffff88802a484d80 R14: 1ffff11005490d3a R15: dffffc0000000000
FS:  00007fcbcf1b96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8369e4aea1 CR3: 0000000033c0e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_do_stop+0x1085/0x2380 net/mac80211/iface.c:583
 ieee80211_stop+0x43b/0x490 net/mac80211/iface.c:776
 __dev_close_many+0x216/0x350 net/core/dev.c:1719
 dev_close_many+0x24e/0x4c0 net/core/dev.c:1744
 dev_close+0x1c0/0x2c0 net/core/dev.c:1770
 ieee80211_stop+0xd5/0x490 net/mac80211/iface.c:767
 __dev_close_many+0x216/0x350 net/core/dev.c:1719
 __dev_close net/core/dev.c:1731 [inline]
 __dev_change_flags+0x30e/0x6f0 net/core/dev.c:9255
 dev_change_flags+0x8b/0x1a0 net/core/dev.c:9329
 dev_ifsioc+0x7c2/0xe70 net/core/dev_ioctl.c:563
 dev_ioctl+0x719/0x1340 net/core/dev_ioctl.c:826
 sock_do_ioctl+0x240/0x460 net/socket.c:1213
 sock_ioctl+0x626/0x8e0 net/socket.c:1318
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcbce38d169
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:00007fcbcf1b9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcbce5a5fa0 RCX: 00007fcbce38d169
RDX: 0000400000000040 RSI: 0000000000008914 RDI: 0000000000000003
RBP: 00007fcbce40e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcbce5a5fa0 R15: 00007fffecfdab98
 </TASK>

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/19 11:27 net d9c743b6990b 8d0a2921 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/03/19 11:26 net d9c743b6990b 8d0a2921 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/03/18 11:46 net 5f079290e591 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/03/18 11:43 net 5f079290e591 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/03/18 11:43 net 5f079290e591 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/02/24 22:11 net f15176b8b6e7 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
2025/02/22 13:08 net 28b04731a38c d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_free_keys
* Struck through repros no longer work on HEAD.