Re: [syzbot] INFO: trying to register non-static key in ath9k_wmi_event_tasklet

[Rajat Asthana]

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in ath9k_htc_txstatus

------------[ cut here ]------------
WARNING: CPU: 1 PID: 16 at drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:656 ath9k_htc_txstatus+0x3bb/0x500 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:656
Modules linked in:
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ath9k_htc_txstatus+0x3bb/0x500 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:656
Code: de e8 99 89 37 fe 84 db 75 27 e8 60 82 37 fe 48 89 ef 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f e9 8a f2 b6 02 e8 45 82 37 fe <0f> 0b e9 36 fd ff ff e8 39 82 37 fe 49 8d 7c 24 08 41 83 e5 fe 48
RSP: 0018:ffffc9000011fd28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888100350000 RSI: ffffffff8309e43b RDI: 0000000000000003
RBP: ffff88811080e00d R08: 0000000000000001 R09: 000000000000001c
R10: ffffffff8309e16e R11: 000000000000000c R12: ffff888110343240
R13: 000000000000001c R14: ffff88811080e00c R15: ffff88811080e00c
FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005680c0 CR3: 000000010f1f8000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ath9k_wmi_event_tasklet+0x325/0x410 drivers/net/wireless/ath/ath9k/wmi.c:180
tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:783
__do_softirq+0x1b0/0x910 kernel/softirq.c:558
run_ksoftirqd kernel/softirq.c:920 [inline]
run_ksoftirqd+0x21/0x50 kernel/softirq.c:912
smpboot_thread_fn+0x3be/0x860 kernel/smpboot.c:164
kthread+0x3c0/0x4a0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295


Tested on:

commit: 7d549995 Merge tag 'for-linus' of git://git.kernel.org..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12d3f9b2300000
kernel config: https://syzkaller.appspot.com/x/.config?x=a70622900590bb5a
dashboard link: https://syzkaller.appspot.com/bug?extid=31d54c60c5b254d6f75b
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
patch: https://syzkaller.appspot.com/x/patch.diff?x=17730c66300000