syzbot


UBSAN: array-index-out-of-bounds in htc_issue_send

Status: upstream: reported C repro on 2024/03/20 14:34
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+93cbd5fbb85814306ba1@syzkaller.appspotmail.com
First crash: 31d, last: 10d
Discussions (2)
Title Replies (including bot) Last reply
[PATCH usb] wifi: ath9k: fix oob in htc_issue_send 4 (4) 2024/03/21 18:52
[syzbot] [wireless?] [usb?] UBSAN: array-index-out-of-bounds in htc_issue_send 4 (9) 2024/03/21 05:43
Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/03/21 03:18 54m eadavis@qq.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing OK log
2024/03/21 02:39 12m eadavis@qq.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing report log
2024/03/21 01:46 21m eadavis@qq.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing OK log
2024/03/21 01:15 18m eadavis@qq.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master error OK

Sample crash report:
usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
ath9k_htc 1-1:1.0: ath9k_htc: HTC initialized with 33 credits
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51
index 255 is out of range for type 'htc_endpoint [22]'
CPU: 1 PID: 2494 Comm: kworker/1:2 Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events request_firmware_work_func
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x111/0x150 lib/ubsan.c:347
 htc_issue_send.constprop.0+0x209/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:26
 ath9k_wmi_cmd_issue drivers/net/wireless/ath/ath9k/wmi.c:305 [inline]
 ath9k_wmi_cmd+0x424/0x630 drivers/net/wireless/ath/ath9k/wmi.c:342
 ath9k_regread+0xdb/0x160 drivers/net/wireless/ath/ath9k/htc_drv_init.c:242
 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:287 [inline]
 __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline]
 ath9k_hw_init+0xf02/0x2b30 drivers/net/wireless/ath/ath9k/hw.c:700
 ath9k_init_priv drivers/net/wireless/ath/ath9k/htc_drv_init.c:662 [inline]
 ath9k_init_device drivers/net/wireless/ath/ath9k/htc_drv_init.c:839 [inline]
 ath9k_htc_probe_device+0xb37/0x25f0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:963
 ath9k_htc_hw_init+0x33/0x70 drivers/net/wireless/ath/ath9k/htc_hst.c:529
 ath9k_hif_usb_firmware_cb+0x272/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1273
 request_firmware_work_func+0x13a/0x240 drivers/base/firmware_loader/main.c:1163
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
 </TASK>
---[ end trace ]---

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/20 12:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae a485f239 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-usb UBSAN: array-index-out-of-bounds in htc_issue_send
2024/04/10 15:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae 4320ec32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb UBSAN: array-index-out-of-bounds in htc_issue_send
2024/03/28 23:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae e91187ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb UBSAN: array-index-out-of-bounds in htc_issue_send
2024/03/28 20:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae e91187ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb UBSAN: array-index-out-of-bounds in htc_issue_send
2024/03/20 10:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae a485f239 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb UBSAN: array-index-out-of-bounds in htc_issue_send
* Struck through repros no longer work on HEAD.