Extracting prog: 3m31.355851052s
Minimizing prog: 36m29.365152456s
Simplifying prog options: 12m10.319420981s
Extracting C: 5m6.782109106s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program crashed: WARNING in cm109_input_open/usb_submit_urb
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
syz_open_dev$tty1(0xc, 0x4, 0x1)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
ioctl$KDMKTONE(0xffffffffffffffff, 0x4b30, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, 0x0, 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB, @ANYBLOB="8fcf"], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KDMKTONE
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0)
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDMKTONE(r0, 0x4b30, 0x0)

program did not crash
reproducing took 57m17.822542186s
repro crashed as (corrupted=false):
cm109 8-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb8/8-1/8-1:0.8/input/input376
------------[ cut here ]------------
URB ffff888028377400 submitted while active
WARNING: CPU: 2 PID: 25 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 2 UID: 0 PID: 25 Comm: kworker/2:0 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Code: fd eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 1e ea ae fa c6 05 e8 bc 5c 09 01 90 48 c7 c7 a0 20 2e 8c 48 89 de e8 87 23 6f fa 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 91 f3 ff ff 48 89 ef
RSP: 0018:ffffc9000063ef10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888028377400 RCX: ffffffff815a5139
RDX: ffff88801debc880 RSI: ffffffff815a5146 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000008 R12: ffff888027988010
R13: ffff8880279880a0 R14: ffff888027988050 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf46f69ae0 CR3: 0000000025190000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cm109_input_open+0x271/0x480 drivers/input/misc/cm109.c:566
 input_open_device+0x22c/0x390 drivers/input/input.c:620
 kbd_connect+0x103/0x160 drivers/tty/vt/keyboard.c:1591
 input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:1032
 input_register_device+0xa84/0x1110 drivers/input/input.c:2475
 cm109_usb_probe+0x122f/0x17c0 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

final repro crashed as (corrupted=false):
cm109 8-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb8/8-1/8-1:0.8/input/input376
------------[ cut here ]------------
URB ffff888028377400 submitted while active
WARNING: CPU: 2 PID: 25 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 2 UID: 0 PID: 25 Comm: kworker/2:0 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Code: fd eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 1e ea ae fa c6 05 e8 bc 5c 09 01 90 48 c7 c7 a0 20 2e 8c 48 89 de e8 87 23 6f fa 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 91 f3 ff ff 48 89 ef
RSP: 0018:ffffc9000063ef10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888028377400 RCX: ffffffff815a5139
RDX: ffff88801debc880 RSI: ffffffff815a5146 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000008 R12: ffff888027988010
R13: ffff8880279880a0 R14: ffff888027988050 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf46f69ae0 CR3: 0000000025190000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cm109_input_open+0x271/0x480 drivers/input/misc/cm109.c:566
 input_open_device+0x22c/0x390 drivers/input/input.c:620
 kbd_connect+0x103/0x160 drivers/tty/vt/keyboard.c:1591
 input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:1032
 input_register_device+0xa84/0x1110 drivers/input/input.c:2475
 cm109_usb_probe+0x122f/0x17c0 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>