syzbot


WARNING in ieee80211_rx_list (2)

Status: upstream: reported on 2025/03/30 17:04
Reported-by: syzbot+74899369bdca002db432@syzkaller.appspotmail.com
First crash: 15d, last: 15d
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_rx_list wireless C inconclusive error 3489 311d 1664d 26/28 fixed on 2024/06/18 10:18
upstream WARNING in ieee80211_rx_list (2) wireless 4 290d 293d 26/28 fixed on 2024/08/06 11:02
linux-5.15 WARNING in ieee80211_rx_list origin:lts-only syz error 5 267d 373d 0/3 auto-obsoleted due to no activity on 2024/10/29 16:41
linux-6.1 WARNING in ieee80211_rx_list 1 256d 256d 0/3 auto-obsoleted due to no activity on 2024/11/09 19:50
upstream WARNING in ieee80211_rx_list (3) wireless C error 24 4d22h 218d 0/28 upstream: reported C repro on 2024/09/09 00:10

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4491 at net/mac80211/rx.c:4907 ieee80211_rx_list+0x2126/0x2a60 net/mac80211/rx.c:-1
Modules linked in:
CPU: 1 PID: 4491 Comm: syz.2.57 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ieee80211_rx_list+0x2126/0x2a60 net/mac80211/rx.c:4907
Code: 0f 0b e9 f9 e2 ff ff e8 f8 34 ad f7 e9 ef e2 ff ff e8 ee 34 ad f7 e9 e5 e2 ff ff e8 e4 34 ad f7 e9 db e2 ff ff e8 da 34 ad f7 <0f> 0b e9 cf e2 ff ff e8 ce 34 ad f7 e9 2a e4 ff ff e8 c4 34 ad f7
RSP: 0018:ffffc90000dd0aa0 EFLAGS: 00010246
RAX: ffffffff89d367e6 RBX: 0000000000000000 RCX: ffff8880291e9dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0cd0 R08: ffffffff89d348f7 R09: fffffbfff2131e19
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880606ca140
R13: ffff888021058da0 R14: ffff88802105b348 R15: dffffc0000000000
FS:  00007fb2cfe7b6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000240 CR3: 0000000062c5d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_rx_napi+0x15f/0x380 net/mac80211/rx.c:5005
 ieee80211_rx include/net/mac80211.h:4571 [inline]
 ieee80211_handle_queued_frames+0x103/0x1b0 net/mac80211/main.c:237
 tasklet_action_common+0x3cb/0x4a0 kernel/softirq.c:-1
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 do_softirq+0x162/0x240 kernel/softirq.c:459
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:383
 inet6_fill_ifla6_attrs+0x13ba/0x23b0 net/ipv6/addrconf.c:5731
 inet6_fill_link_af+0x9a/0x120 net/ipv6/addrconf.c:5763
 rtnl_fill_link_af+0x1a5/0x410 net/core/rtnetlink.c:1643
 rtnl_fill_ifinfo+0x1a21/0x1d60 net/core/rtnetlink.c:1843
 rtmsg_ifinfo_build_skb+0xdf/0x180 net/core/rtnetlink.c:3885
 rtmsg_ifinfo_event net/core/rtnetlink.c:3917 [inline]
 rtmsg_ifinfo+0x71/0x120 net/core/rtnetlink.c:3926
 dev_close_many+0x2d1/0x4b0 net/core/dev.c:1649
 dev_close+0x1b3/0x2b0 net/core/dev.c:1672
 nl80211_del_interface+0xde/0x370 net/wireless/nl80211.c:4114
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xfc2/0x14a0 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2489
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x7c0/0x990 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2436
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2490
 __sys_sendmsg net/socket.c:2519 [inline]
 __do_sys_sendmsg net/socket.c:2528 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2526
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb2d2477169
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:00007fb2cfe7b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb2d2690240 RCX: 00007fb2d2477169
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 000000000000000b
RBP: 00007fb2d24f82a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb2d2690240 R15: 00007ffd27d3c6a8
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/30 17:03 linux-5.15.y 0c935c049b5c d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in ieee80211_rx_list
* Struck through repros no longer work on HEAD.