Extracting prog: 1m42.915429716s
Minimizing prog: 5m0.896407032s
Simplifying prog options: 1m6.036495102s
Extracting C: 27.741454385s
Simplifying C: 3m39.229141669s


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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
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$sg
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)

program did not crash
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-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
readv(0xffffffffffffffff, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program did not crash
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_open_dev$sg-readv
detailed listing:
executing program 0:
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program did not crash
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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, 0x0, 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program did not crash
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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program did not crash
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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(0x0, 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program did not crash
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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, 0x0, 0x0)

program did not crash
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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{0x0}], 0x1)

program did not crash
extracting C reproducer
testing compiled C 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$sg-readv
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
extracting C reproducer
testing compiled C program (duration=30s, {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$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$sg-readv
program did not crash
testing compiled C program (duration=30s, {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$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$sg-readv
program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$sg-readv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040f20c50620000010203010902240001010080fa090400000208069900090501020002000000090582020002000000"], 0x0)
r0 = syz_open_dev$sg(&(0x7f00000060c0), 0x0, 0x8002)
readv(r0, &(0x7f0000000a80)=[{&(0x7f00000009c0)=""/65, 0x41}], 0x1)

program crashed: BUG: unable to handle kernel NULL pointer dereference in usb_stor_invoke_transport
validation run: crashed=true
reproducing took 14m6.290119587s
repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 2a2d3067 P4D 2a2d3067 PUD 0 
Oops: Oops: 0010 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 5928 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003487bc0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880268ace90 RCX: 0000000000000000
RDX: 1ffff11004d159f0 RSI: ffffffff8e38e957 RDI: ffff8880268ace90
RBP: ffff88803cec5110 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffff0
R13: ffff8880268ac070 R14: ffff8880268acf38 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880d5d4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003e585000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 usb_stor_invoke_transport+0xa08/0x15c0 drivers/usb/storage/transport.c:926
 usb_stor_control_thread+0x5e4/0xae0 drivers/usb/storage/usb.c:462
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003487bc0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880268ace90 RCX: 0000000000000000
RDX: 1ffff11004d159f0 RSI: ffffffff8e38e957 RDI: ffff8880268ace90
RBP: ffff88803cec5110 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffff0
R13: ffff8880268ac070 R14: ffff8880268acf38 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880d5d4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003e585000 CR4: 0000000000352ef0

final repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 2a2d3067 P4D 2a2d3067 PUD 0 
Oops: Oops: 0010 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 5928 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003487bc0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880268ace90 RCX: 0000000000000000
RDX: 1ffff11004d159f0 RSI: ffffffff8e38e957 RDI: ffff8880268ace90
RBP: ffff88803cec5110 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffff0
R13: ffff8880268ac070 R14: ffff8880268acf38 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880d5d4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003e585000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 usb_stor_invoke_transport+0xa08/0x15c0 drivers/usb/storage/transport.c:926
 usb_stor_control_thread+0x5e4/0xae0 drivers/usb/storage/usb.c:462
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003487bc0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880268ace90 RCX: 0000000000000000
RDX: 1ffff11004d159f0 RSI: ffffffff8e38e957 RDI: ffff8880268ace90
RBP: ffff88803cec5110 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffff0
R13: ffff8880268ac070 R14: ffff8880268acf38 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880d5d4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003e585000 CR4: 0000000000352ef0