syzbot


WARNING in ieee80211_bss_info_change_notify

Status: upstream: reported C repro on 2020/10/02 07:16
Reported-by: syzbot+e7b7d0a1d17c8ec2e943@syzkaller.appspotmail.com
First crash: 632d, last: 2d10h
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_bss_info_change_notify C done 970 1h22m 632d 0/22 upstream: reported C repro on 2020/10/02 15:39

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 ]------------
wlan0:  Failed check-sdata-in-driver check, flags: 0x4
WARNING: CPU: 0 PID: 8104 at net/mac80211/driver-ops.h:17 check_sdata_in_driver net/mac80211/driver-ops.h:17 [inline]
WARNING: CPU: 0 PID: 8104 at net/mac80211/driver-ops.h:17 drv_bss_info_changed net/mac80211/driver-ops.h:173 [inline]
WARNING: CPU: 0 PID: 8104 at net/mac80211/driver-ops.h:17 ieee80211_bss_info_change_notify+0x824/0x920 net/mac80211/main.c:204
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 8104 Comm: syz-executor262 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:check_sdata_in_driver net/mac80211/driver-ops.h:17 [inline]
RIP: 0010:drv_bss_info_changed net/mac80211/driver-ops.h:173 [inline]
RIP: 0010:ieee80211_bss_info_change_notify+0x824/0x920 net/mac80211/main.c:204
Code: 00 00 48 8b ab 28 05 00 00 48 85 ed 74 53 e8 53 1e cd f9 e8 4e 1e cd f9 44 89 fa 48 89 ee 48 c7 c7 c0 3f 67 89 e8 21 56 5d 00 <0f> 0b e9 19 f9 ff ff e8 30 1e cd f9 0f 0b e9 0a fb ff ff e8 24 1e
RSP: 0018:ffff8880952c7600 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8880b27e4d80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a58eb2
RBP: ffff8880b27e4280 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000002000000
R13: ffff8880b27e5d38 R14: 0000000000000000 R15: 0000000000000004
 ieee80211_set_mcast_rate+0x37/0x40 net/mac80211/cfg.c:2293
 rdev_set_mcast_rate net/wireless/rdev-ops.h:1192 [inline]
 nl80211_set_mcast_rate+0x355/0x930 net/wireless/nl80211.c:9118
 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f470fd66aa9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6a7888a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f470fde03a0 RCX: 00007f470fd66aa9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001
R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031
R13: 00007ffd6a7888f0 R14: 00007ffd6a7888da R15: 00007f470fde0410
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (432):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/12/31 05:30 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config log report syz C WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2021/12/31 05:00 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config log report syz C WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2020/12/25 16:59 linux-4.19.y 13d2ce42de8c b982b3ea .config log report syz C
ci2-linux-4-19 2020/11/27 10:51 linux-4.19.y 0c88e405c97e 5018c946 .config log report syz C
ci2-linux-4-19 2020/11/22 04:02 linux-4.19.y 2c746135a12e 0d27f508 .config log report syz C
ci2-linux-4-19 2020/11/06 23:01 linux-4.19.y b94de4d19498 cba33199 .config log report syz C
ci2-linux-4-19 2020/11/06 14:49 linux-4.19.y b94de4d19498 cba33199 .config log report syz C
ci2-linux-4-19 2020/11/05 21:54 linux-4.19.y b94de4d19498 cba33199 .config log report syz C
ci2-linux-4-19 2020/10/26 03:54 linux-4.19.y ad326970d25c a1839e81 .config log report syz C
ci2-linux-4-19 2020/10/26 03:34 linux-4.19.y ad326970d25c a1839e81 .config log report syz C
ci2-linux-4-19 2020/10/26 03:04 linux-4.19.y ad326970d25c a1839e81 .config log report syz C
ci2-linux-4-19 2020/10/26 02:33 linux-4.19.y ad326970d25c a1839e81 .config log report syz C
ci2-linux-4-19 2020/10/06 14:45 linux-4.19.y b09c34517e1a 1880b4a9 .config log report syz C
ci2-linux-4-19 2022/06/24 13:12 linux-4.19.y 3f8a27f9e27b a371c43c .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/24 08:56 linux-4.19.y 3f8a27f9e27b a5dbd430 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/21 18:15 linux-4.19.y 3f8a27f9e27b 0fc5c330 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/17 19:17 linux-4.19.y 3f8a27f9e27b 8f633d84 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/17 16:09 linux-4.19.y 3f8a27f9e27b cb58b3b2 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/14 10:23 linux-4.19.y 3f8a27f9e27b 0f087040 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/07 01:30 linux-4.19.y 3f8a27f9e27b c8857892 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/02 13:11 linux-4.19.y 3f8a27f9e27b 6e12f05f .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/06/02 09:11 linux-4.19.y 3f8a27f9e27b 5783034f .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/05/27 07:02 linux-4.19.y 3f8a27f9e27b 3037caa9 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/05/25 14:45 linux-4.19.y 3f8a27f9e27b 3037caa9 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/05/24 10:39 linux-4.19.y 3f8a27f9e27b fcfad4ff .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/05/23 15:16 linux-4.19.y 3f8a27f9e27b 4c7657cb .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/05/18 14:46 linux-4.19.y 3f8a27f9e27b 50c53f39 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/29 20:11 linux-4.19.y 3f8a27f9e27b 44a5ca63 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/29 17:35 linux-4.19.y 3f8a27f9e27b 44a5ca63 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/28 16:50 linux-4.19.y 3f8a27f9e27b e9076525 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/28 02:08 linux-4.19.y 3f8a27f9e27b 8a1f1f07 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/27 17:09 linux-4.19.y 3f8a27f9e27b 1fa34c1b .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/24 01:45 linux-4.19.y 3f8a27f9e27b 131df97d .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/22 18:45 linux-4.19.y 3f8a27f9e27b 131df97d .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/22 09:03 linux-4.19.y 3f8a27f9e27b 2738b391 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/20 11:55 linux-4.19.y 3f8a27f9e27b 7d7bc738 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/18 17:48 linux-4.19.y 3f8a27f9e27b 8bcc32a6 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/18 11:34 linux-4.19.y 3f8a27f9e27b 8bcc32a6 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/16 17:00 linux-4.19.y 3f8a27f9e27b 8bcc32a6 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/15 15:19 linux-4.19.y 3f8a27f9e27b 8bcc32a6 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/12 19:42 linux-4.19.y 3f8a27f9e27b dacb3f1c .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/11 20:49 linux-4.19.y 3f8a27f9e27b af01ee7d .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/09 11:28 linux-4.19.y 3f8a27f9e27b e22c3da3 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/08 23:29 linux-4.19.y 3f8a27f9e27b e22c3da3 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/08 14:05 linux-4.19.y 3f8a27f9e27b c6ff3e05 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/08 06:35 linux-4.19.y 3f8a27f9e27b c6ff3e05 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/06 21:24 linux-4.19.y 3f8a27f9e27b 97582466 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/04 15:47 linux-4.19.y 3f8a27f9e27b 5915c2cb .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/04 08:12 linux-4.19.y 3f8a27f9e27b 79a2a8fc .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/03 23:48 linux-4.19.y 3f8a27f9e27b 79a2a8fc .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/04/03 20:13 linux-4.19.y 3f8a27f9e27b 79a2a8fc .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/03/30 23:55 linux-4.19.y 3f8a27f9e27b 9d49f3a7 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/03/30 02:14 linux-4.19.y 3f8a27f9e27b 6bdac766 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/03/28 22:24 linux-4.19.y 3f8a27f9e27b 6bdac766 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/03/24 23:12 linux-4.19.y 3f8a27f9e27b 89bc8608 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2022/03/24 09:13 linux-4.19.y 3f8a27f9e27b 89bc8608 .config log report info WARNING in ieee80211_bss_info_change_notify
ci2-linux-4-19 2021/01/17 11:18 linux-4.19.y 675cc038067f 813be542 .config log report info
ci2-linux-4-19 2020/10/02 07:16 linux-4.19.y b09c34517e1a 9602ddf4 .config log report info