syzbot


WARNING in bcm5974_start_traffic/usb_submit_urb

Status: upstream: reported C repro on 2024/04/08 05:03
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+287375819c124b902cdc@syzkaller.appspotmail.com
First crash: 78d, last: 78d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2024/04/09 upstream (ToT) 20cb38a7af88 C [report] WARNING in bcm5974_start_traffic/usb_submit_urb
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in bcm5974_start_traffic/usb_submit_urb input C error 41 95d 1691d 26/27 fixed on 2024/03/26 17:39
upstream WARNING in bcm5974_start_traffic/usb_submit_urb (2) input C 1 61d 71d 0/27 upstream: reported C repro on 2024/04/15 01:54
linux-6.1 WARNING in bcm5974_start_traffic/usb_submit_urb origin:lts-only C 1 24d 139d 0/3 upstream: reported C repro on 2024/02/06 21:35

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 3978 at drivers/usb/core/urb.c:503 usb_submit_urb+0xa44/0x1588 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 0 PID: 3978 Comm: udevd Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : usb_submit_urb+0xa44/0x1588 drivers/usb/core/urb.c:502
lr : usb_submit_urb+0xa44/0x1588 drivers/usb/core/urb.c:502
sp : ffff80001c977370
x29: ffff80001c9773b0 x28: 0000000000000001 x27: ffff800012b4fda8
x26: ffff0000d9286700 x25: ffff0000c21c5000 x24: 0000000000000400
x23: ffff800012b565c0 x22: dfff800000000000 x21: 0000000000000002
x20: 0000000000000cc0 x19: ffff0000c086b000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff80001197d2b4 x15: 00000000ffffffff
x14: ffff0000c9a6b680 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 92f6132d1a8ec900
x8 : 92f6132d1a8ec900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001c976ad8 x4 : ffff8000149ef7a0 x3 : ffff80000854e6c0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000029
Call trace:
 usb_submit_urb+0xa44/0x1588 drivers/usb/core/urb.c:502
 bcm5974_start_traffic+0xe0/0x154 drivers/input/mouse/bcm5974.c:799
 bcm5974_open+0x98/0x134 drivers/input/mouse/bcm5974.c:839
 input_open_device+0x170/0x29c drivers/input/input.c:640
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x308/0x4b4 drivers/input/evdev.c:487
 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414
 do_dentry_open+0x780/0xed8 fs/open.c:826
 vfs_open+0x7c/0x90 fs/open.c:956
 do_open fs/namei.c:3608 [inline]
 path_openat+0x1f28/0x26f0 fs/namei.c:3742
 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769
 do_sys_openat2+0x128/0x3d8 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 4354
hardirqs last  enabled at (4353): [<ffff80000832abe8>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (4354): [<ffff800011978940>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (14): [<ffff8000080310b4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (12): [<ffff800008031080>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 2e62fe857388afa2 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/08 05:02 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in bcm5974_start_traffic/usb_submit_urb
* Struck through repros no longer work on HEAD.