syzbot


WARNING in __rate_control_send_low

Status: upstream: reported C repro on 2020/10/14 12:01
Reported-by: syzbot+fdc5123366fb9c3fdc6d@syzkaller.appspotmail.com
First crash: 625d, last: 6h29m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in __rate_control_send_low (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in __rate_control_send_low C 4 12d 630d 0/1 upstream: reported C repro on 2020/10/08 02:03
linux-4.19 WARNING in __rate_control_send_low C 272 16h00m 618d 0/1 upstream: reported C repro on 2020/10/19 12:45

Sample crash report:
------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 0 PID: 915 at net/mac80211/rate.c:371 __rate_control_send_low+0x6aa/0x7e0 net/mac80211/rate.c:371
Modules linked in:
CPU: 0 PID: 915 Comm: kworker/0:2 Not tainted 5.18.0-rc3-syzkaller-00190-gc00c5e1d157b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: mld mld_ifc_work
RIP: 0010:__rate_control_send_low+0x6aa/0x7e0 net/mac80211/rate.c:371
Code: 18 48 89 44 24 18 e8 b5 77 c0 f8 44 8b 44 24 2c 45 89 e9 44 89 e1 48 8b 74 24 18 44 89 f2 48 c7 c7 a0 bc f0 8a e8 b5 56 6c 00 <0f> 0b e9 36 fd ff ff e8 aa 08 0c f9 e9 03 fe ff ff 48 89 df e8 6d
RSP: 0018:ffffc90004366f80 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888019b1bca8 RCX: 0000000000000000
RDX: ffff88801bbcd880 RSI: ffffffff81600c48 RDI: fffff5200086cde2
RBP: ffff88801d26b3c8 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815fb61e R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801d268e60
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd6097bd58 CR3: 000000007d05c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 rate_control_send_low+0x29e/0x830 net/mac80211/rate.c:396
 rate_control_get_rate+0x1b9/0x5a0 net/mac80211/rate.c:908
 ieee80211_tx_h_rate_ctrl+0xb2a/0x18c0 net/mac80211/tx.c:744
 invoke_tx_handlers_late+0x11be/0x28e0 net/mac80211/tx.c:1826
 ieee80211_tx+0x2f3/0x420 net/mac80211/tx.c:1947
 ieee80211_xmit+0x339/0x420 net/mac80211/tx.c:2040
 __ieee80211_subif_start_xmit+0x7b6/0xdb0 net/mac80211/tx.c:4248
 ieee80211_subif_start_xmit+0xee/0xf10 net/mac80211/tx.c:4387
 __netdev_start_xmit include/linux/netdevice.h:4778 [inline]
 netdev_start_xmit include/linux/netdevice.h:4792 [inline]
 xmit_one net/core/dev.c:3532 [inline]
 dev_hard_start_xmit+0x1eb/0x920 net/core/dev.c:3548
 sch_direct_xmit+0x19f/0xbe0 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3759 [inline]
 __dev_queue_xmit+0x153b/0x39c0 net/core/dev.c:4141
 neigh_hh_output include/net/neighbour.h:533 [inline]
 neigh_output include/net/neighbour.h:547 [inline]
 ip6_finish_output2+0xf80/0x1500 net/ipv6/ip6_output.c:126
 __ip6_finish_output net/ipv6/ip6_output.c:191 [inline]
 __ip6_finish_output+0x61e/0xe90 net/ipv6/ip6_output.c:170
 ip6_finish_output+0x32/0x280 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x1e4/0x530 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:451 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 mld_sendpack+0x99e/0xe40 net/ipv6/mcast.c:1818
 mld_send_cr net/ipv6/mcast.c:2119 [inline]
 mld_ifc_work+0x71c/0xdc0 net/ipv6/mcast.c:2651
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Crashes (450):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2022/04/23 07:24 upstream c00c5e1d157b 131df97d .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/01/04 15:05 upstream c9e6606c7fe9 7f723fbe .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2021/07/24 22:46 upstream f0fddcec6b62 4d1b57d4 .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2021/04/01 18:36 upstream d19cc4bfbff1 6a81331a .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2021/02/19 08:14 upstream f40ddce88593 14052202 .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2021/02/15 08:22 upstream f40ddce88593 98682e5e .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2021/02/09 11:23 upstream e0756cfc7d7c 2bd9619f .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2021/01/31 18:25 upstream 6642d600b541 fc9fd31e .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2021/01/26 22:42 upstream 13391c60da33 55a7d4df .config log report syz C WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2021/07/02 04:17 linux-next a1f92694393a 658ebc66 .config log report syz C WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2021/04/17 14:50 linux-next 1216f02e46a4 7e2b734b .config log report syz C WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2021/04/07 05:43 linux-next 9c54130cd255 6a81331a .config log report syz C WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2020/12/03 22:04 upstream 34816d20f173 e6b0d314 .config log report syz C
ci-upstream-kasan-gce 2020/11/28 07:59 upstream 99c710c46dfc 486f93ef .config log report syz C
ci-upstream-kasan-gce-386 2020/11/25 02:15 upstream 80145ac2f739 e34b696c .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/04/02 10:26 upstream ffd9fb546d49 6a81331a .config log report syz WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2021/02/19 14:16 upstream f40ddce88593 14052202 .config log report syz WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2021/02/15 17:52 upstream f40ddce88593 98682e5e .config log report syz WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2021/02/01 04:28 upstream 6642d600b541 fc9fd31e .config log report syz WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2022/06/26 20:48 linux-next 2f9cb3d3bd73 a371c43c .config log report syz WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2021/04/07 11:21 linux-next 9c54130cd255 6a81331a .config log report syz WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2021/03/23 05:01 linux-next e3128d2f068e 8092f30d .config log report syz WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2022/06/29 21:30 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/28 18:45 upstream 941e3e791269 496a8536 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/06/27 12:33 upstream 03c765b0e3b4 a371c43c .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/06/25 01:47 upstream 6a0a17e6c6d1 a371c43c .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/24 08:03 upstream 92f20ff72066 912f5df7 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/06/23 07:25 upstream 3abc3ae553c7 912f5df7 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/22 13:06 upstream ca1fdab7fd27 0fc5c330 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/06/21 18:37 upstream 78ca55889a54 0fc5c330 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/06/21 03:27 upstream 78ca55889a54 0fc5c330 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2022/06/20 17:07 upstream 78ca55889a54 8d15e28d .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/06/20 00:59 upstream a111daf0c53a 8f633d84 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/06/19 01:56 upstream 4b35035bcf80 8f633d84 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/06/17 03:11 upstream 48a23ec6ff2b 1719ee24 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2022/06/15 15:38 upstream 018ab4fabddd 1719ee24 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/14 03:53 upstream b13baccc3850 0f087040 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2022/06/14 02:32 upstream b13baccc3850 0f087040 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/10 20:47 upstream aa3398fb4b3f 0d5abf15 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/10 12:13 upstream 6bfb56e93bce 0d5abf15 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/09 17:38 upstream 6bfb56e93bce 0d5abf15 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/07 05:00 upstream e71e60cd74df c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/06 09:18 upstream f2906aa86338 c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/04 02:58 upstream 50fd82b3a9a9 c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/06/03 14:47 upstream 50fd82b3a9a9 eee80d3c .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/03 05:19 upstream 50fd82b3a9a9 02dddea8 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/06/01 11:22 upstream 700170bf6b4d 3666edfe .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/31 11:07 upstream 8ab2afa23bd1 af70c3a9 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/05/28 13:39 upstream 9d004b2f4fea a46af346 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/05/26 20:28 upstream babf0bb978e3 3037caa9 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/25 12:21 upstream fdaf9a5840ac 647c0e27 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/05/23 11:14 upstream 4b0986a3613c 4c7657cb .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream 2022/05/20 02:59 upstream b015dcd62b86 cb1ac2e7 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/18 19:46 upstream ef1302160bfb 50c53f39 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/16 13:09 upstream 42226c989789 744a39e2 .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream 2022/05/09 22:31 upstream 9be9ed2612b5 8b277b8e .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/03 16:13 upstream 9050ba3a61a4 dc9e5259 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/05/01 17:05 upstream 57ae8a492116 2df221f6 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/04/29 16:04 upstream 38d741cb70b3 44a5ca63 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-smack-root 2022/04/25 00:29 upstream 5206548f6e67 131df97d .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-root 2022/04/21 23:40 upstream 59f0c2447e25 2738b391 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2022/04/11 15:22 upstream ce522ba9ef7e af01ee7d .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-selinux-root 2022/04/03 21:24 upstream 09bb8856d4a7 79a2a8fc .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream-386 2022/06/17 19:52 upstream 274295c6e53f 8f633d84 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-386 2022/06/16 13:27 upstream 30306f6194ca 1719ee24 .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream-386 2022/06/15 12:45 upstream 018ab4fabddd 1719ee24 .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream-386 2022/06/05 18:11 upstream 44688ffd111a c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-386 2022/05/29 13:14 upstream 664a393a2663 a46af346 .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce-386 2022/05/23 04:28 upstream 4b0986a3613c 7268fa62 .config log report info WARNING in __rate_control_send_low
ci-qemu-upstream-386 2022/05/01 19:07 upstream b2da7df52e16 2df221f6 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-this-kasan-gce 2022/06/22 08:17 net 69135c572d1f 0fc5c330 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-this-kasan-gce 2022/06/05 15:25 net 58f9d52ff689 c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-kasan-gce 2022/06/22 14:49 net-next a80d8fb70cc7 0fc5c330 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-kasan-gce 2022/06/07 19:44 net-next 12de1ebd2ae3 c8857892 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-kasan-gce 2022/05/06 15:55 net-next 95730d657083 e60b1103 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-kasan-gce 2022/05/04 08:00 net-next f43f0cd2d9b0 dc9e5259 .config log report info WARNING in __rate_control_send_low
ci-upstream-net-kasan-gce 2022/04/08 10:05 net-next dc2e0617f1fd c6ff3e05 .config log report info WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2022/06/13 23:34 linux-next 6d0c80680317 0f087040 .config log report info WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2022/05/23 12:25 linux-next cc63e8e92cb8 4c7657cb .config log report info WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2022/04/29 09:21 linux-next 5469f0c06732 e9076525 .config log report info WARNING in __rate_control_send_low
ci-upstream-linux-next-kasan-gce-root 2022/04/06 07:18 linux-next 109f6d10ec17 0127c10f .config log report info WARNING in __rate_control_send_low
ci-upstream-kasan-gce 2020/10/12 16:40 upstream bbf5c979011a d32b0bbf .config log report info
ci-upstream-net-kasan-gce 2021/01/11 05:02 net-next 73b7a6047971 2c1f2513 .config log report info