Extracting prog: 41.603365122s
Minimizing prog: 16m10.317425313s
Simplifying prog options: 2m23.93606352s
Extracting C: 19.006118421s
Simplifying C: 0s
extracting reproducer from 31 programs
first checking the prog from the crash report
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open-close_range-syz_usb_connect-setsockopt$EBT_SO_SET_ENTRIES-ioctl$sock_SIOCGIFINDEX_802154-syz_init_net_socket$nl_generic
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
r3 = syz_pidfd_open(0x0, 0x0)
close_range(r3, 0xffffffffffffffff, 0x2)
syz_usb_connect(0x0, 0xb, &(0x7f00000010c0)=ANY=[], 0x0)
setsockopt$EBT_SO_SET_ENTRIES(0xffffffffffffffff, 0x0, 0x80, &(0x7f0000000640)=@broute={'broute\x00', 0x7001, 0x1, 0x170, [], 0x0, 0x0, 0x0}, 0x1e8)
ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan0\x00'})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
program crashed: possible deadlock in rfkill_fop_write
single: successfully extracted reproducer
found reproducer with 19 syscalls
minimizing guilty program
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open-close_range-syz_usb_connect-setsockopt$EBT_SO_SET_ENTRIES-ioctl$sock_SIOCGIFINDEX_802154
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
r3 = syz_pidfd_open(0x0, 0x0)
close_range(r3, 0xffffffffffffffff, 0x2)
syz_usb_connect(0x0, 0xb, &(0x7f00000010c0)=ANY=[], 0x0)
setsockopt$EBT_SO_SET_ENTRIES(0xffffffffffffffff, 0x0, 0x80, &(0x7f0000000640)=@broute={'broute\x00', 0x7001, 0x1, 0x170, [], 0x0, 0x0, 0x0}, 0x1e8)
ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wpan0\x00'})
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open-close_range-syz_usb_connect-setsockopt$EBT_SO_SET_ENTRIES
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
r3 = syz_pidfd_open(0x0, 0x0)
close_range(r3, 0xffffffffffffffff, 0x2)
syz_usb_connect(0x0, 0xb, &(0x7f00000010c0)=ANY=[], 0x0)
setsockopt$EBT_SO_SET_ENTRIES(0xffffffffffffffff, 0x0, 0x80, &(0x7f0000000640)=@broute={'broute\x00', 0x7001, 0x1, 0x170, [], 0x0, 0x0, 0x0}, 0x1e8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open-close_range-syz_usb_connect
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
r3 = syz_pidfd_open(0x0, 0x0)
close_range(r3, 0xffffffffffffffff, 0x2)
syz_usb_connect(0x0, 0xb, &(0x7f00000010c0)=ANY=[], 0x0)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open-close_range
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
r3 = syz_pidfd_open(0x0, 0x0)
close_range(r3, 0xffffffffffffffff, 0x2)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket-syz_pidfd_open
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
syz_pidfd_open(0x0, 0x0)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro-socket
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
socket(0x22, 0x2, 0x3)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime-openat$cgroup_ro
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create-timer_settime
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill-timer_create
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = gettid()
r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r2, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r2, 0x0, 0x0)
timer_create(0x0, &(0x7f0000000040)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
gettid()
r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r1, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
write$rfkill(r1, 0x0, 0x0)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
gettid()
r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r1, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-openat$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
gettid()
openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
program did not crash
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-gettid-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
gettid()
write$rfkill(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program did not crash
testing program (duration=52.354608396s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-sendmsg$802154_dgram-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4040014}, 0x4040048)
r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r1, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-sendmmsg$inet6-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4000001)
r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r1, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-setsockopt$IPT_SO_SET_ADD_COUNTERS-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = socket$inet(0x2, 0x80001, 0x0)
setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000080)=ANY=[], 0x48)
r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r1, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-socket$inet-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
socket$inet(0x2, 0x80001, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='status\x00')
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, 0x0, 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program did not crash
testing program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=52.354608396s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
program crashed: possible deadlock in hci_dev_do_close
a never seen crash title: possible deadlock in hci_dev_do_close, ignore
simplifying guilty program options
testing program (duration=52.354608396s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
extracting C reproducer
testing compiled C program (duration=52.354608396s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
program crashed: possible deadlock in hci_dev_do_close
a never seen crash title: possible deadlock in hci_dev_do_close, ignore
testing program (duration=52.354608396s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000180), 0x40e02, 0x0)
write$rfkill(r0, &(0x7f0000000300)={0x0, 0x2, 0x3, 0x1}, 0x8)
program crashed: possible deadlock in rfkill_fop_write
extracting C reproducer
testing compiled C program (duration=52.354608396s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$rfkill-write$rfkill
program crashed: possible deadlock in hci_dev_do_close
a never seen crash title: possible deadlock in hci_dev_do_close, ignore
reproducing took 19m47.665989611s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
5.15.174-syzkaller #0 Not tainted
------------------------------------------------------
syz.0.16/4271 is trying to acquire lock:
ffff888078be4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 kernel/workqueue.c:3090
but task is already holding lock:
ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 net/rfkill/core.c:1266
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (rfkill_global_mutex){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
rfkill_register+0x30/0x880 net/rfkill/core.c:1045
hci_register_dev+0x4dd/0xa50 net/bluetooth/hci_core.c:3960
__vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline]
vhci_create_device+0x310/0x590 drivers/bluetooth/hci_vhci.c:153
vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline]
vhci_write+0x382/0x430 drivers/bluetooth/hci_vhci.c:290
call_write_iter include/linux/fs.h:2174 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacd/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #3 (&data->open_mutex){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
vhci_send_frame+0x8a/0xf0 drivers/bluetooth/hci_vhci.c:71
hci_send_frame+0x1af/0x2f0 net/bluetooth/hci_core.c:4256
hci_sched_acl_pkt net/bluetooth/hci_core.c:4781 [inline]
hci_sched_acl net/bluetooth/hci_core.c:4866 [inline]
hci_tx_work+0xb2e/0x1a30 net/bluetooth/hci_core.c:4932
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
hci_dev_do_close+0x20a/0x1070 net/bluetooth/hci_core.c:1756
hci_unregister_dev+0x2d7/0x580 net/bluetooth/hci_core.c:4040
vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:345
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0x6a3/0x2480 kernel/exit.c:874
do_group_exit+0x144/0x310 kernel/exit.c:996
get_signal+0xc66/0x14e0 kernel/signal.c:2900
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #1 (&hdev->req_lock){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
hci_req_sync net/bluetooth/hci_request.c:278 [inline]
bg_scan_update+0xa1/0x4a0 net/bluetooth/hci_request.c:2952
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
hci_request_cancel_all+0xcb/0x300 net/bluetooth/hci_request.c:3522
hci_dev_do_close+0x51/0x1070 net/bluetooth/hci_core.c:1736
hci_rfkill_set_block+0x114/0x1a0 net/bluetooth/hci_core.c:2235
rfkill_set_block+0x1e7/0x430 net/rfkill/core.c:345
rfkill_fop_write+0x5b7/0x790 net/rfkill/core.c:1274
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
other info that might help us debug this:
Chain exists of:
(work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(rfkill_global_mutex);
lock(&data->open_mutex);
lock(rfkill_global_mutex);
lock((work_completion)(&hdev->bg_scan_update));
*** DEADLOCK ***
1 lock held by syz.0.16/4271:
#0: ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 net/rfkill/core.c:1266
stack backtrace:
CPU: 0 PID: 4271 Comm: syz.0.16 Not tainted 5.15.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
hci_request_cancel_all+0xcb/0x300 net/bluetooth/hci_request.c:3522
hci_dev_do_close+0x51/0x1070 net/bluetooth/hci_core.c:1736
hci_rfkill_set_block+0x114/0x1a0 net/bluetooth/hci_core.c:2235
rfkill_set_block+0x1e7/0x430 net/rfkill/core.c:345
rfkill_fop_write+0x5b7/0x790 net/rfkill/core.c:1274
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa63ba37d19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd1b20fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa63bc27fa0 RCX: 00007fa63ba37d19
RDX: 0000000000000008 RSI: 0000000020000300 RDI: 0000000000000003
RBP: 00007fa63bab3a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa63bc27fa0 R14: 00007fa63bc27fa0 R15: 00000000000019a1
final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
5.15.174-syzkaller #0 Not tainted
------------------------------------------------------
syz.0.16/4271 is trying to acquire lock:
ffff888078be4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 kernel/workqueue.c:3090
but task is already holding lock:
ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 net/rfkill/core.c:1266
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (rfkill_global_mutex){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
rfkill_register+0x30/0x880 net/rfkill/core.c:1045
hci_register_dev+0x4dd/0xa50 net/bluetooth/hci_core.c:3960
__vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline]
vhci_create_device+0x310/0x590 drivers/bluetooth/hci_vhci.c:153
vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline]
vhci_write+0x382/0x430 drivers/bluetooth/hci_vhci.c:290
call_write_iter include/linux/fs.h:2174 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacd/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #3 (&data->open_mutex){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
vhci_send_frame+0x8a/0xf0 drivers/bluetooth/hci_vhci.c:71
hci_send_frame+0x1af/0x2f0 net/bluetooth/hci_core.c:4256
hci_sched_acl_pkt net/bluetooth/hci_core.c:4781 [inline]
hci_sched_acl net/bluetooth/hci_core.c:4866 [inline]
hci_tx_work+0xb2e/0x1a30 net/bluetooth/hci_core.c:4932
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
hci_dev_do_close+0x20a/0x1070 net/bluetooth/hci_core.c:1756
hci_unregister_dev+0x2d7/0x580 net/bluetooth/hci_core.c:4040
vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:345
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0x6a3/0x2480 kernel/exit.c:874
do_group_exit+0x144/0x310 kernel/exit.c:996
get_signal+0xc66/0x14e0 kernel/signal.c:2900
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> #1 (&hdev->req_lock){+.+.}-{3:3}:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
hci_req_sync net/bluetooth/hci_request.c:278 [inline]
bg_scan_update+0xa1/0x4a0 net/bluetooth/hci_request.c:2952
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
-> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
hci_request_cancel_all+0xcb/0x300 net/bluetooth/hci_request.c:3522
hci_dev_do_close+0x51/0x1070 net/bluetooth/hci_core.c:1736
hci_rfkill_set_block+0x114/0x1a0 net/bluetooth/hci_core.c:2235
rfkill_set_block+0x1e7/0x430 net/rfkill/core.c:345
rfkill_fop_write+0x5b7/0x790 net/rfkill/core.c:1274
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
other info that might help us debug this:
Chain exists of:
(work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(rfkill_global_mutex);
lock(&data->open_mutex);
lock(rfkill_global_mutex);
lock((work_completion)(&hdev->bg_scan_update));
*** DEADLOCK ***
1 lock held by syz.0.16/4271:
#0: ffffffff8decda68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 net/rfkill/core.c:1266
stack backtrace:
CPU: 0 PID: 4271 Comm: syz.0.16 Not tainted 5.15.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__flush_work+0xeb/0x1a0 kernel/workqueue.c:3090
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
hci_request_cancel_all+0xcb/0x300 net/bluetooth/hci_request.c:3522
hci_dev_do_close+0x51/0x1070 net/bluetooth/hci_core.c:1736
hci_rfkill_set_block+0x114/0x1a0 net/bluetooth/hci_core.c:2235
rfkill_set_block+0x1e7/0x430 net/rfkill/core.c:345
rfkill_fop_write+0x5b7/0x790 net/rfkill/core.c:1274
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa63ba37d19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd1b20fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa63bc27fa0 RCX: 00007fa63ba37d19
RDX: 0000000000000008 RSI: 0000000020000300 RDI: 0000000000000003
RBP: 00007fa63bab3a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa63bc27fa0 R14: 00007fa63bc27fa0 R15: 00000000000019a1