Extracting prog: 2m10.335366864s
Minimizing prog: 36m23.375886475s
Simplifying prog options: 3m56.138766748s
Extracting C: 20.693759046s
Simplifying C: 0s


extracting reproducer from 44 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}}): openat$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-madvise-write$rfkill-socket$nl_route-sendmsg$nl_route-socket$can_raw
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
madvise(&(0x7f00002e2000/0x1000)=nil, 0x1000, 0x65)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
socket$can_raw(0x1d, 0x3, 0x1)

program crashed: possible deadlock in rfkill_fop_write
single: successfully extracted reproducer
found reproducer with 29 syscalls
minimizing guilty program
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-madvise-write$rfkill-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
madvise(&(0x7f00002e2000/0x1000)=nil, 0x1000, 0x65)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-madvise-write$rfkill-socket$nl_route
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
madvise(&(0x7f00002e2000/0x1000)=nil, 0x1000, 0x65)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-madvise-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
madvise(&(0x7f00002e2000/0x1000)=nil, 0x1000, 0x65)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-madvise
detailed listing:
executing program 0:
openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r1 = dup(r0)
write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r2 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r2, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r1, 0x0, 0x0)
r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r1, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r3, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r1, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r4 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r4, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
madvise(&(0x7f00002e2000/0x1000)=nil, 0x1000, 0x65)

program did not crash
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-madvise-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-fsconfig$FSCONFIG_SET_BINARY-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
fsconfig$FSCONFIG_SET_BINARY(0xffffffffffffffff, 0x2, 0x0, &(0x7f0000000200)='\x00', 0x1)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-mmap-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
r5 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000007, 0x38011, r5, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-dup-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
dup(0xffffffffffffffff)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-ioctl$DRM_IOCTL_RM_MAP-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000751000/0x2000)=nil})
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r4, &(0x7f0000000080)={0x0, 0x1, 0x3, 0x1}, 0x8)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-mq_getsetattr-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
mq_getsetattr(r2, &(0x7f0000000140)={0x9, 0xf8c, 0x6, 0x600000000}, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-openat$rfkill-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-mkdirat-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
mkdirat(r2, 0x0, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-io_uring_enter-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
io_uring_enter(0xffffffffffffffff, 0x2def, 0x2e0e, 0x0, 0x0, 0xffffffffffffffa2)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-syz_io_uring_submit-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
syz_io_uring_submit(0x0, 0x0, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-ioctl$USBDEVFS_CONNECTINFO-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
r3 = syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
ioctl$USBDEVFS_CONNECTINFO(r3, 0x80045503, &(0x7f00000000c0))
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-madvise-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
syz_open_dev$usbfs(0x0, 0x77, 0x101301)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-syz_open_dev$usbfs-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
syz_open_dev$usbfs(0x0, 0x77, 0x101301)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-openat$cgroup_ro-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-ioctl$VIDIOC_S_INPUT-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
ioctl$VIDIOC_S_INPUT(0xffffffffffffffff, 0xc0045627, &(0x7f00000000c0)=0x3)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$6lowpan_enable-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
r2 = dup(r1)
write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-dup-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
dup(r1)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-syz_open_dev$sndmidi-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x141101)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-prctl$PR_SCHED_CORE-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-madvise-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600722, 0x19)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-setsockopt$inet_int-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x1a, 0x0, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill-openat$ttyS3-write$rfkill
detailed listing:
executing program 0:
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001840), 0x80002, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
testing program (duration=53.436597949s, {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}}): write$rfkill
detailed listing:
executing program 0:
write$rfkill(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program did not crash
testing program (duration=53.436597949s, {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$rfkill(0xffffffffffffff9c, 0x0, 0x801, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program did not crash
testing program (duration=53.436597949s, {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$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
write$rfkill(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.436597949s, {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=53.436597949s, {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$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
extracting C reproducer
testing compiled C program (duration=53.436597949s, {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=53.436597949s, {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$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x801, 0x0)
write$rfkill(r0, &(0x7f0000000080)={0x0, 0x0, 0x3, 0x1}, 0x8)

program crashed: possible deadlock in rfkill_fop_write
extracting C reproducer
testing compiled C program (duration=53.436597949s, {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 42m59.151215587s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
5.15.183-syzkaller #0 Not tainted
------------------------------------------------------
syz.0.16/4324 is trying to acquire lock:
ffff888024b48c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 kernel/workqueue.c:3090

but task is already holding lock:
ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 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}:
       __mutex_lock_common+0x1eb/0x2390 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+0x33/0x8a0 net/rfkill/core.c:1045
       hci_register_dev+0x452/0x970 net/bluetooth/hci_core.c:3960
       __vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline]
       vhci_create_device+0x32c/0x5c0 drivers/bluetooth/hci_vhci.c:153
       vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline]
       vhci_write+0x391/0x450 drivers/bluetooth/hci_vhci.c:290
       call_write_iter include/linux/fs.h:2172 [inline]
       new_sync_write fs/read_write.c:507 [inline]
       vfs_write+0x712/0xd00 fs/read_write.c:594
       ksys_write+0x14d/0x250 fs/read_write.c:647
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #3 (&data->open_mutex){+.+.}-{3:3}:
       __mutex_lock_common+0x1eb/0x2390 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+0x88/0x100 drivers/bluetooth/hci_vhci.c:71
       hci_send_frame+0x1a9/0x2e0 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+0x9f9/0x1710 net/bluetooth/hci_core.c:4932
       process_one_work+0x863/0x1000 kernel/workqueue.c:2310
       worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
       kthread+0x436/0x520 kernel/kthread.c:334
       ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

-> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
       __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
       hci_dev_do_close+0x1e7/0x1030 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+0x234/0x930 fs/file_table.c:311
       task_work_run+0x125/0x1a0 kernel/task_work.c:188
       exit_task_work include/linux/task_work.h:33 [inline]
       do_exit+0x616/0x20a0 kernel/exit.c:874
       do_group_exit+0x12e/0x300 kernel/exit.c:996
       get_signal+0x6ca/0x12c0 kernel/signal.c:2900
       arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867
       handle_signal_work kernel/entry/common.c:154 [inline]
       exit_to_user_mode_loop+0x9e/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+0x16/0x40 kernel/entry/common.c:307
       do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #1 (&hdev->req_lock){+.+.}-{3:3}:
       __mutex_lock_common+0x1eb/0x2390 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+0x44/0x3b0 net/bluetooth/hci_request.c:2952
       process_one_work+0x863/0x1000 kernel/workqueue.c:2310
       worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
       kthread+0x436/0x520 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 kernel/locking/lockdep.c:3788 [inline]
       __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
       lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
       __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
       __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181
       hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522
       hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736
       hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235
       rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345
       rfkill_fop_write+0x458/0x560 net/rfkill/core.c:1274
       vfs_write+0x300/0xd00 fs/read_write.c:592
       ksys_write+0x14d/0x250 fs/read_write.c:647
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 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.0.16/4324:
 #0: ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 net/rfkill/core.c:1266

stack backtrace:
CPU: 0 PID: 4324 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 check_noncircular+0x274/0x310 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 kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181
 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522
 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736
 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235
 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345
 rfkill_fop_write+0x458/0x560 net/rfkill/core.c:1274
 vfs_write+0x300/0xd00 fs/read_write.c:592
 ksys_write+0x14d/0x250 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efee2fca969
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:00007ffc3b89c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efee31f1fa0 RCX: 00007efee2fca969
RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007efee304cab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efee31f1fa0 R14: 00007efee31f1fa0 R15: 0000000000000003
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
5.15.183-syzkaller #0 Not tainted
------------------------------------------------------
syz.0.16/4324 is trying to acquire lock:
ffff888024b48c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 kernel/workqueue.c:3090

but task is already holding lock:
ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 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}:
       __mutex_lock_common+0x1eb/0x2390 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+0x33/0x8a0 net/rfkill/core.c:1045
       hci_register_dev+0x452/0x970 net/bluetooth/hci_core.c:3960
       __vhci_create_device drivers/bluetooth/hci_vhci.c:129 [inline]
       vhci_create_device+0x32c/0x5c0 drivers/bluetooth/hci_vhci.c:153
       vhci_get_user drivers/bluetooth/hci_vhci.c:210 [inline]
       vhci_write+0x391/0x450 drivers/bluetooth/hci_vhci.c:290
       call_write_iter include/linux/fs.h:2172 [inline]
       new_sync_write fs/read_write.c:507 [inline]
       vfs_write+0x712/0xd00 fs/read_write.c:594
       ksys_write+0x14d/0x250 fs/read_write.c:647
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #3 (&data->open_mutex){+.+.}-{3:3}:
       __mutex_lock_common+0x1eb/0x2390 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+0x88/0x100 drivers/bluetooth/hci_vhci.c:71
       hci_send_frame+0x1a9/0x2e0 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+0x9f9/0x1710 net/bluetooth/hci_core.c:4932
       process_one_work+0x863/0x1000 kernel/workqueue.c:2310
       worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
       kthread+0x436/0x520 kernel/kthread.c:334
       ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

-> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
       __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
       hci_dev_do_close+0x1e7/0x1030 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+0x234/0x930 fs/file_table.c:311
       task_work_run+0x125/0x1a0 kernel/task_work.c:188
       exit_task_work include/linux/task_work.h:33 [inline]
       do_exit+0x616/0x20a0 kernel/exit.c:874
       do_group_exit+0x12e/0x300 kernel/exit.c:996
       get_signal+0x6ca/0x12c0 kernel/signal.c:2900
       arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867
       handle_signal_work kernel/entry/common.c:154 [inline]
       exit_to_user_mode_loop+0x9e/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+0x16/0x40 kernel/entry/common.c:307
       do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
       entry_SYSCALL_64_after_hwframe+0x66/0xd0

-> #1 (&hdev->req_lock){+.+.}-{3:3}:
       __mutex_lock_common+0x1eb/0x2390 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+0x44/0x3b0 net/bluetooth/hci_request.c:2952
       process_one_work+0x863/0x1000 kernel/workqueue.c:2310
       worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
       kthread+0x436/0x520 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 kernel/locking/lockdep.c:3788 [inline]
       __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
       lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
       __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
       __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181
       hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522
       hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736
       hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235
       rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345
       rfkill_fop_write+0x458/0x560 net/rfkill/core.c:1274
       vfs_write+0x300/0xd00 fs/read_write.c:592
       ksys_write+0x14d/0x250 fs/read_write.c:647
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x4c/0xa0 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.0.16/4324:
 #0: ffffffff8d4b1fc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 net/rfkill/core.c:1266

stack backtrace:
CPU: 0 PID: 4324 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 check_noncircular+0x274/0x310 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 kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __flush_work+0xdd/0x1b0 kernel/workqueue.c:3090
 __cancel_work_timer+0x3ac/0x520 kernel/workqueue.c:3181
 hci_request_cancel_all+0xcc/0x300 net/bluetooth/hci_request.c:3522
 hci_dev_do_close+0x4e/0x1030 net/bluetooth/hci_core.c:1736
 hci_rfkill_set_block+0x10a/0x190 net/bluetooth/hci_core.c:2235
 rfkill_set_block+0x1c6/0x420 net/rfkill/core.c:345
 rfkill_fop_write+0x458/0x560 net/rfkill/core.c:1274
 vfs_write+0x300/0xd00 fs/read_write.c:592
 ksys_write+0x14d/0x250 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efee2fca969
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:00007ffc3b89c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efee31f1fa0 RCX: 00007efee2fca969
RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007efee304cab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efee31f1fa0 R14: 00007efee31f1fa0 R15: 0000000000000003
 </TASK>