Extracting prog: 3m50.897044114s
Minimizing prog: 21m4.159329658s
Simplifying prog options: 4m30.904901379s
Extracting C: 2m19.559955872s
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:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-ioctl$SIOCSIFHWADDR-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r2, 0x8914, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-ioctl$SIOCSIFHWADDR-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r2, 0x8914, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-ioctl$SIOCSIFHWADDR-bind$bt_l2cap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r2, 0x8914, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)

program did not crash
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-ioctl$SIOCSIFHWADDR-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
ioctl$SIOCSIFHWADDR(r2, 0x8914, 0x0)
listen(r0, 0x0)

program did not crash
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-socketpair$unix-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-close-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r2 = openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
close(r2)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-openat$tun-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
openat$tun(0xffffffffffffff9c, 0x0, 0x41000, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-ioctl$TUNSETIFF-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-openat$tun-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c1842, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
program did not crash
simplifying guilty program options
testing program (duration=2m12.832536714s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
testing program (duration=2m12.832536714s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=2m12.832536714s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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_init_net_socket$bt_l2cap-socket$isdn_base-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
socket$isdn_base(0x22, 0x3, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @any, 0xfffa}, 0xe)
listen(r0, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
reproducing took 43m18.643384473s
repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000004b
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000004b] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6795 Comm: kworker/1:4 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events l2cap_info_timeout
pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:567
sp : ffff8000a4bb7770
x29: ffff8000a4bb7770 x28: ffff80008f7c1000 x27: ffff0000ccc03d00
x26: 30ce8000892cb4bc x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000258 x21: 0000000000000258
x20: 0000000000000000 x19: ffff8000892cb4bc x18: 000000005ba9156d
x17: ffff800093507000 x16: ffff80008b007230 x15: 0000000000000001
x14: 1fffe00019b63821 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093306be8 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004b x7 : ffff800083124c28 x6 : ffff80008a2c6890
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000892cb4bc x0 : 0000000000000258
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 (P)
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3733
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x4c/0x130 net/bluetooth/l2cap_sock.c:1674
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline]
 l2cap_conn_start+0x588/0xba4 net/bluetooth/l2cap_core.c:1512
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1669
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction

final repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000004b
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000004b] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6795 Comm: kworker/1:4 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events l2cap_info_timeout
pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:567
sp : ffff8000a4bb7770
x29: ffff8000a4bb7770 x28: ffff80008f7c1000 x27: ffff0000ccc03d00
x26: 30ce8000892cb4bc x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000258 x21: 0000000000000258
x20: 0000000000000000 x19: ffff8000892cb4bc x18: 000000005ba9156d
x17: ffff800093507000 x16: ffff80008b007230 x15: 0000000000000001
x14: 1fffe00019b63821 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093306be8 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004b x7 : ffff800083124c28 x6 : ffff80008a2c6890
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000892cb4bc x0 : 0000000000000258
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 (P)
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3733
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x4c/0x130 net/bluetooth/l2cap_sock.c:1674
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline]
 l2cap_conn_start+0x588/0xba4 net/bluetooth/l2cap_core.c:1512
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1669
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction