Extracting prog: 4m18.170523276s
Minimizing prog: 43m49.683682764s
Simplifying prog options: 0s
Extracting C: 45.33529909s
Simplifying C: 13m11.515158296s
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 0x0})
program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 0x0})
program crashed: WARNING in gl861_ctrl_msg/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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
ioctl$I2C_SMBUS(0xffffffffffffffff, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, 0x0, 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(0x0, 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
simplifying C reproducer
testing compiled C 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 0x0})
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 0x0})
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_SMBUS
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100024286bd10b00d815522f90102030109021200019ddb10010904"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2603)
ioctl$I2C_SMBUS(r0, 0x720, &(0x7f0000000380)={0x1, 0x10, 0x0, 0x0})
program crashed: WARNING in gl861_ctrl_msg/usb_submit_urb
validation run: crashed=true
reproducing took 1h8m40.874249513s
repro crashed as (corrupted=false):
------------[ cut here ]------------
usb 2-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType c0
WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#1: syz.3.20/5958
Modules linked in:
CPU: 1 UID: 0 PID: 5958 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411
Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89
RSP: 0018:ffffc90003e775f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888028f52400 RCX: 0000000080000380
RDX: ffff888021e8ffa0 RSI: ffffffff8bf2ddc0 RDI: ffffffff8fbaa490
RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000
R10: ffffc90003e776e0 R11: fffff520007ceee8 R12: 1ffff1100435d2f0
R13: ffff888021ae9780 R14: ffff888021e8ffa0 R15: 0000000080000380
FS: 0000555586fbf500(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0afebe2780 CR3: 0000000026a1e000 CR4: 00000000003526f0
Call Trace:
usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62
usb_internal_control_msg drivers/usb/core/message.c:117 [inline]
usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167
gl861_ctrl_msg+0x207/0x420 drivers/media/usb/dvb-usb-v2/gl861.c:58
gl861_i2c_master_xfer+0x439/0x6a0 drivers/media/usb/dvb-usb-v2/gl861.c:-1
__i2c_transfer+0x7be/0x1fe0 drivers/i2c/i2c-core-base.c:-1
i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:471 [inline]
__i2c_smbus_xfer+0x1584/0x27d0 drivers/i2c/i2c-core-smbus.c:621
i2c_smbus_xfer+0x1f4/0x310 drivers/i2c/i2c-core-smbus.c:547
i2cdev_ioctl_smbus+0x1e7/0x700 drivers/i2c/i2c-dev.c:356
i2cdev_ioctl+0x618/0x890 drivers/i2c/i2c-dev.c:478
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0afed0ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc3525598 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0afef85fa0 RCX: 00007f0afed0ce59
RDX: 0000200000000380 RSI: 0000000000000720 RDI: 0000000000000004
RBP: 00007f0afeda2e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0afef85fac R14: 00007f0afef85fa0 R15: 00007f0afef85fa0
----------------
Code disassembly (best guess):
0: b8 00 00 00 00 mov $0x0,%eax
5: 00 fc add %bh,%ah
7: ff lcall (bad)
8: df 41 0f filds 0xf(%rcx)
b: b6 04 mov $0x4,%dh
d: 04 84 add $0x84,%al
f: c0 0f 85 rorb $0x85,(%rdi)
12: b2 05 mov $0x5,%dl
14: 00 00 add %al,(%rax)
16: 45 0f b6 45 00 movzbl 0x0(%r13),%r8d
1b: 48 8b 3c 24 mov (%rsp),%rdi
1f: 48 8b 74 24 18 mov 0x18(%rsp),%rsi
24: 4c 89 f2 mov %r14,%rdx
27: 44 89 f9 mov %r15d,%ecx
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp
36: fc ff df
39: e9 ba f2 ff ff jmp 0xfffff2f8
3e: 44 rex.R
3f: 89 .byte 0x89
final repro crashed as (corrupted=false):
------------[ cut here ]------------
usb 2-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType c0
WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#1: syz.3.20/5958
Modules linked in:
CPU: 1 UID: 0 PID: 5958 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411
Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89
RSP: 0018:ffffc90003e775f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888028f52400 RCX: 0000000080000380
RDX: ffff888021e8ffa0 RSI: ffffffff8bf2ddc0 RDI: ffffffff8fbaa490
RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000
R10: ffffc90003e776e0 R11: fffff520007ceee8 R12: 1ffff1100435d2f0
R13: ffff888021ae9780 R14: ffff888021e8ffa0 R15: 0000000080000380
FS: 0000555586fbf500(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0afebe2780 CR3: 0000000026a1e000 CR4: 00000000003526f0
Call Trace:
usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62
usb_internal_control_msg drivers/usb/core/message.c:117 [inline]
usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167
gl861_ctrl_msg+0x207/0x420 drivers/media/usb/dvb-usb-v2/gl861.c:58
gl861_i2c_master_xfer+0x439/0x6a0 drivers/media/usb/dvb-usb-v2/gl861.c:-1
__i2c_transfer+0x7be/0x1fe0 drivers/i2c/i2c-core-base.c:-1
i2c_smbus_xfer_emulated drivers/i2c/i2c-core-smbus.c:471 [inline]
__i2c_smbus_xfer+0x1584/0x27d0 drivers/i2c/i2c-core-smbus.c:621
i2c_smbus_xfer+0x1f4/0x310 drivers/i2c/i2c-core-smbus.c:547
i2cdev_ioctl_smbus+0x1e7/0x700 drivers/i2c/i2c-dev.c:356
i2cdev_ioctl+0x618/0x890 drivers/i2c/i2c-dev.c:478
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0afed0ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc3525598 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0afef85fa0 RCX: 00007f0afed0ce59
RDX: 0000200000000380 RSI: 0000000000000720 RDI: 0000000000000004
RBP: 00007f0afeda2e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0afef85fac R14: 00007f0afef85fa0 R15: 00007f0afef85fa0
----------------
Code disassembly (best guess):
0: b8 00 00 00 00 mov $0x0,%eax
5: 00 fc add %bh,%ah
7: ff lcall (bad)
8: df 41 0f filds 0xf(%rcx)
b: b6 04 mov $0x4,%dh
d: 04 84 add $0x84,%al
f: c0 0f 85 rorb $0x85,(%rdi)
12: b2 05 mov $0x5,%dl
14: 00 00 add %al,(%rax)
16: 45 0f b6 45 00 movzbl 0x0(%r13),%r8d
1b: 48 8b 3c 24 mov (%rsp),%rdi
1f: 48 8b 74 24 18 mov 0x18(%rsp),%rsi
24: 4c 89 f2 mov %r14,%rdx
27: 44 89 f9 mov %r15d,%ecx
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp
36: fc ff df
39: e9 ba f2 ff ff jmp 0xfffff2f8
3e: 44 rex.R
3f: 89 .byte 0x89