syzbot


WARNING in minstrel_ht_update_caps

Status: upstream: reported on 2024/12/14 07:57
Reported-by: syzbot+69b217a0c35cb8cf2df3@syzkaller.appspotmail.com
First crash: 7d18h, last: 7d18h
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in minstrel_ht_update_caps wireless C inconclusive 68 8d00h 216d 0/28 upstream: reported C repro on 2024/05/19 11:14

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 15130 at include/net/mac80211.h:6644 minstrel_ht_update_caps+0x45a/0x18d0 net/mac80211/rc80211_minstrel_ht.c:1734
Modules linked in:
CPU: 1 PID: 15130 Comm: syz.9.2422 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:rate_lowest_index include/net/mac80211.h:6644 [inline]
RIP: 0010:minstrel_ht_update_caps+0x45a/0x18d0 net/mac80211/rc80211_minstrel_ht.c:1734
Code: 24 ff ff ff e8 87 9f 3d f7 eb 1f e8 80 9f 3d f7 eb 1a e8 79 9f 3d f7 49 c1 fe 38 4c 8b 3c 24 eb 0e e8 6a 9f 3d f7 4c 8b 3c 24 <0f> 0b 45 31 f6 4c 8b 6c 24 28 4b 8d 2c 76 49 8d 5c ad 00 48 89 d8
RSP: 0018:ffffc9000457f010 EFLAGS: 00010283
RAX: ffffffff8a4cfc86 RBX: 000000000000000c RCX: 0000000000080000
RDX: ffffc9001cae9000 RSI: 0000000000000361 RDI: 0000000000000362
RBP: ffff888057bd3378 R08: ffffffff8a4cfb9e R09: 0000000000000000
R10: 0000000000000001 R11: dffffc0000000001 R12: ffff888057bd3380
R13: 1ffff1100af7a670 R14: 0b00000000000000 R15: ffff88807d2f0000
FS:  00007ff3bdfba6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb932cb440 CR3: 0000000079f64000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rate_control_rate_init+0x3ca/0x5e0 net/mac80211/rate.c:63
 sta_apply_auth_flags+0x1b6/0x410 net/mac80211/cfg.c:1580
 sta_apply_parameters+0xda6/0x14a0 net/mac80211/cfg.c:1910
 ieee80211_add_station+0x342/0x560 net/mac80211/cfg.c:1975
 rdev_add_station+0x121/0x2f0 net/wireless/rdev-ops.h:201
 nl80211_new_station+0x1d33/0x24f0 net/wireless/nl80211.c:7430
 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0xc1a/0xf70 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2519
 ___sys_sendmsg net/socket.c:2573 [inline]
 __sys_sendmsg+0x2a9/0x390 net/socket.c:2602
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff3bd185d19
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:00007ff3bdfba038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff3bd375fa0 RCX: 00007ff3bd185d19
RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000005
RBP: 00007ff3bd201a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff3bd375fa0 R15: 00007ffd10877b38
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/14 07:57 linux-6.1.y e4d90d63d385 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minstrel_ht_update_caps
* Struck through repros no longer work on HEAD.