syzbot


WARNING in bcm5974_start_traffic/usb_submit_urb (2)

Status: upstream: reported C repro on 2024/04/15 01:54
Subsystems: input
[Documentation on labels]
Reported-by: syzbot+b064b5599f18f7ebb1e1@syzkaller.appspotmail.com
First crash: 40d, last: 26d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly input report (Apr 2024) 0 (1) 2024/04/29 12:34
[syzbot] [input?] WARNING in bcm5974_start_traffic/usb_submit_urb (2) 1 (3) 2024/04/15 10:18
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 60d 1656d 26/26 fixed on 2024/03/26 17:39
linux-5.15 WARNING in bcm5974_start_traffic/usb_submit_urb origin:upstream C error 1 43d 43d 0/3 upstream: reported C repro on 2024/04/08 05:03
linux-6.1 WARNING in bcm5974_start_traffic/usb_submit_urb origin:lts-only C 1 23d 104d 0/3 upstream: reported C repro on 2024/02/06 21:35
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/04/25 15:21 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/04/15 10:18 10h21m mukattreyee@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 6237 at drivers/usb/core/urb.c:504 usb_submit_urb+0xa00/0x1434 drivers/usb/core/urb.c:503
Modules linked in:
CPU: 0 PID: 6237 Comm: udevd Not tainted 6.9.0-rc3-syzkaller-gfec50db7033e #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+0xa00/0x1434 drivers/usb/core/urb.c:503
lr : usb_submit_urb+0xa00/0x1434 drivers/usb/core/urb.c:503
sp : ffff80009f8b73b0
x29: ffff80009f8b73f0 x28: ffff0000d4fee000 x27: 0000000000000001
x26: ffff80008c6919e8 x25: ffff0000c8bd1fe0 x24: ffff0000c1d45a50
x23: ffff80008c698500 x22: dfff800000000000 x21: 0000000000000002
x20: 0000000000000cc0 x19: ffff0000c1d45a00 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008ae6d1bc x15: 0000000000000001
x14: 1fffe000367b9a02 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000002 x10: 0000000000ff0100 x9 : b1573c5f9bab7600
x8 : b1573c5f9bab7600 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009f8b6b18 x4 : ffff80008ef65000 x3 : ffff8000805e9200
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 usb_submit_urb+0xa00/0x1434 drivers/usb/core/urb.c:503
 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:654
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x308/0x4b4 drivers/input/evdev.c:487
 chrdev_open+0x3c8/0x4dc fs/char_dev.c:414
 do_dentry_open+0x778/0x12b4 fs/open.c:955
 vfs_open+0x7c/0x90 fs/open.c:1089
 do_open fs/namei.c:3642 [inline]
 path_openat+0x1f6c/0x2830 fs/namei.c:3799
 do_filp_open+0x1bc/0x3cc fs/namei.c:3826
 do_sys_openat2+0x124/0x1b8 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1432
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 5626
hardirqs last  enabled at (5625): [<ffff8000803749b0>] __up_console_sem kernel/printk/printk.c:341 [inline]
hardirqs last  enabled at (5625): [<ffff8000803749b0>] __console_unlock kernel/printk/printk.c:2731 [inline]
hardirqs last  enabled at (5625): [<ffff8000803749b0>] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050
hardirqs last disabled at (5626): [<ffff80008ae68608>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (2362): [<ffff800080031848>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2360): [<ffff800080031814>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/11 01:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fec50db7033e 56086b24 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in bcm5974_start_traffic/usb_submit_urb
* Struck through repros no longer work on HEAD.