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WARNING in sta_info_insert_rcu

Status: upstream: reported C repro on 2020/09/24 11:41
Reported-by: syzbot+7b4f03f1c10942ef9a68@syzkaller.appspotmail.com
First crash: 1303d, last: 410d
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in sta_info_insert_rcu missing-backport origin:lts-only C inconclusive 2 95d 263d 0/3 upstream: reported C repro on 2023/07/31 21:20
upstream WARNING in sta_info_insert_rcu (3) wireless C done 6 238d 279d 23/26 fixed on 2023/10/12 12:48
linux-4.14 WARNING in sta_info_insert_rcu C 13 426d 1300d 0/1 upstream: reported C repro on 2020/09/27 22:10
linux-6.1 WARNING in sta_info_insert_rcu origin:upstream C done 1 251d 251d 3/3 fixed on 2023/10/05 17:16
upstream WARNING in sta_info_insert_rcu (2) wireless 1 659d 655d 0/26 auto-obsoleted due to no activity on 2022/10/28 19:30
upstream WARNING in sta_info_insert_rcu C done done 2533 867d 1304d 20/26 fixed on 2022/03/08 16:11

Sample crash report:
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
------------[ cut here ]------------
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
WARNING: CPU: 0 PID: 7 at net/mac80211/sta_info.c:478 sta_info_insert_check net/mac80211/sta_info.c:478 [inline]
WARNING: CPU: 0 PID: 7 at net/mac80211/sta_info.c:478 sta_info_insert_rcu.cold+0x29/0xd8 net/mac80211/sta_info.c:656
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy2 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:478 [inline]
RIP: 0010:sta_info_insert_rcu.cold+0x29/0xd8 net/mac80211/sta_info.c:656
Code: ff e8 46 36 4e f9 48 c7 c7 60 4b 67 89 e8 a5 67 df ff 0f 0b e9 4f ca 82 ff e8 2e 36 4e f9 48 c7 c7 60 4b 67 89 e8 8d 67 df ff <0f> 0b 41 bc ea ff ff ff e9 b9 db 82 ff e8 10 36 4e f9 48 c7 c7 60
RSP: 0018:ffff8880b5a47a60 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff8880b160cd80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016b48f3e
RBP: 0000000000000001 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffeeffff
R13: ffff8880b28d6208 R14: ffff8880b28d61c0 R15: ffff8880a1ab9100
 ieee80211_ibss_finish_sta+0x25b/0x360 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1362
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1648):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/01/31 06:40 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/07 18:57 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2022/12/25 18:36 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2022/09/22 11:21 linux-4.19.y 3f8a27f9e27b 60af5050 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2022/08/27 17:21 linux-4.19.y 3f8a27f9e27b 07177916 .config console log report syz C ci2-linux-4-19 WARNING in sta_info_insert_rcu
2022/07/05 06:41 linux-4.19.y 3f8a27f9e27b bff65f44 .config console log report syz C ci2-linux-4-19 WARNING in sta_info_insert_rcu
2022/05/12 19:10 linux-4.19.y 3f8a27f9e27b 9ad6612a .config console log report syz C ci2-linux-4-19 WARNING in sta_info_insert_rcu
2021/06/10 23:49 linux-4.19.y 9a2dc0e6c531 1ba81399 .config console log report syz C ci2-linux-4-19 WARNING in sta_info_insert_rcu
2020/12/23 07:16 linux-4.19.y 13d2ce42de8c 04201c06 .config console log report syz C ci2-linux-4-19
2020/11/26 02:01 linux-4.19.y 0c88e405c97e 3f581b43 .config console log report syz C ci2-linux-4-19
2020/11/22 05:03 linux-4.19.y 2c746135a12e 0d27f508 .config console log report syz C ci2-linux-4-19
2020/11/05 23:18 linux-4.19.y b94de4d19498 cba33199 .config console log report syz C ci2-linux-4-19
2020/10/21 16:18 linux-4.19.y ad326970d25c 99c64d5c .config console log report syz C ci2-linux-4-19
2020/10/16 09:42 linux-4.19.y a1b977b49b66 6e262c73 .config console log report syz C ci2-linux-4-19
2020/10/13 14:09 linux-4.19.y a1b977b49b66 bd69ee0d .config console log report syz C ci2-linux-4-19
2020/10/13 13:48 linux-4.19.y a1b977b49b66 bd69ee0d .config console log report syz C ci2-linux-4-19
2020/10/13 13:06 linux-4.19.y a1b977b49b66 bd69ee0d .config console log report syz C ci2-linux-4-19
2020/09/24 12:09 linux-4.19.y d09b80172c22 54289b08 .config console log report syz C ci2-linux-4-19
2023/03/07 03:53 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/06 15:20 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/05 13:02 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/05 06:26 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/04 07:16 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/03 19:04 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/03 17:57 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/03 03:13 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/03/01 18:50 linux-4.19.y 3f8a27f9e27b ef65e6cb .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/28 07:31 linux-4.19.y 3f8a27f9e27b 95aee97a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/28 01:13 linux-4.19.y 3f8a27f9e27b 95aee97a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/27 02:09 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/26 06:12 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/25 16:42 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/24 22:00 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/23 11:42 linux-4.19.y 3f8a27f9e27b 9e2ebb3c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/23 02:29 linux-4.19.y 3f8a27f9e27b 9f1e2cb3 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/22 16:12 linux-4.19.y 3f8a27f9e27b 9f1e2cb3 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/22 14:44 linux-4.19.y 3f8a27f9e27b 9f1e2cb3 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/21 12:40 linux-4.19.y 3f8a27f9e27b f949448d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/20 13:06 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/19 14:42 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/16 19:33 linux-4.19.y 3f8a27f9e27b 38b317a7 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/15 06:58 linux-4.19.y 3f8a27f9e27b e62ba3c1 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/15 01:28 linux-4.19.y 3f8a27f9e27b e62ba3c1 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/13 01:59 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/12 12:52 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/11 18:33 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/11 08:22 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/11 02:27 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/11 01:27 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/10 09:30 linux-4.19.y 3f8a27f9e27b 07980f9d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/09 17:16 linux-4.19.y 3f8a27f9e27b 07980f9d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/08 15:21 linux-4.19.y 3f8a27f9e27b fc9c934e .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/08 13:29 linux-4.19.y 3f8a27f9e27b abbb67b7 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/08 01:19 linux-4.19.y 3f8a27f9e27b 15c3d445 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/07 20:46 linux-4.19.y 3f8a27f9e27b 15c3d445 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/06 18:06 linux-4.19.y 3f8a27f9e27b 0a9c11b6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/05 09:39 linux-4.19.y 3f8a27f9e27b be607b78 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/03 00:51 linux-4.19.y 3f8a27f9e27b 16d19e30 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/02 01:55 linux-4.19.y 3f8a27f9e27b 9a6f477c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/02/01 22:35 linux-4.19.y 3f8a27f9e27b 9a6f477c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/31 23:47 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/30 19:57 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/30 01:16 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/29 15:17 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/29 08:07 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/27 19:05 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2023/01/24 09:55 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in sta_info_insert_rcu
2021/01/15 02:51 linux-4.19.y 675cc038067f 468dbb55 .config console log report info ci2-linux-4-19
2020/09/24 11:40 linux-4.19.y d09b80172c22 54289b08 .config console log report info ci2-linux-4-19
* Struck through repros no longer work on HEAD.