Extracting prog: 2h18m13.047193695s
Minimizing prog: 50m2.981178624s
Simplifying prog options: 13m9.292483608s
Extracting C: 4m20.183498764s
Simplifying C: 1h3m57.082591355s


extracting reproducer from 35 programs
testing a last program of every proc
single: executing 10 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$radio-ioctl$VIDIOC_S_EXT_CTRLS
detailed listing:
executing program 0:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-sendmsg$nl_generic
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$802154_dgram-bind$802154_dgram
detailed listing:
executing program 0:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$radio-ioctl$VIDIOC_S_EXT_CTRLS
detailed listing:
executing program 0:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-sendmsg$nl_generic
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$802154_dgram-bind$802154_dgram
detailed listing:
executing program 0:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 35 programs with base timeout 6m0s
testing program (duration=6m8s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
detailed listing:
executing program 1:
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)=@newlink={0x38, 0x10, 0x403, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @ppp={{0x8}, {0xc, 0x2, 0x0, 0x1, {0x8}}}}]}, 0x38}}, 0x0)
executing program 2:
r0 = socket$phonet_pipe(0x23, 0x5, 0x2)
ioctl$SIOCPNENABLEPIPE(r0, 0x89ed, 0x500)
executing program 1:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_GET(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000340)={0x38, 0x1, 0x1, 0x101, 0x0, 0x0, {0x2}, [@CTA_TUPLE_ORIG={0x18, 0x1, 0x0, 0x1, [@CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @loopback}, {0x8, 0x2, @loopback}}}]}, @CTA_FILTER={0xc, 0x19, 0x0, 0x1, [@CTA_FILTER_ORIG_FLAGS={0x8, 0x1, 0x5}]}]}, 0x38}}, 0x0)
executing program 2:
r0 = syz_open_dev$swradio(&(0x7f00000013c0), 0x0, 0x2)
ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f0000001480)={0xffff, 0x5, 0x4})
executing program 2:
r0 = syz_usb_connect(0x5, 0x3f, &(0x7f0000000240)=ANY=[@ANYBLOB="12010003ac9bcc20d118af1ebb5a0102030109022d00010700800b0904bb06033ae5040009050402b3030fd3040905070020000500ce0905030210"], &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000000e80)={0x84, &(0x7f0000000a00)={0x40, 0xd, 0x2, "def0"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 1:
r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000040)={@dev={0xac, 0x14, 0x14, 0x41}, @multicast2}, 0x8)
executing program 1:
r0 = syz_open_dev$vim2m(&(0x7f0000000080), 0x7, 0x2)
ioctl$vim2m_VIDIOC_EXPBUF(r0, 0xc0405610, &(0x7f0000000240)={0x2, 0x0, 0x2, 0x800})
executing program 1:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x9e, 0x17, 0x36, 0x10, 0x17ef, 0x721e, 0xde06, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6}}]}}]}}, 0x0)
syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000440)={0x34, &(0x7f00000001c0)={0x20, 0x30, 0x4, "02ab0e4b"}, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 3:
r0 = syz_open_dev$video(&(0x7f0000000000), 0x3, 0xa8c40)
ioctl$VIDIOC_S_FMT(r0, 0xc0d05640, &(0x7f0000000180)={0x2, @pix={0x5, 0x4982, 0x56595559, 0x0, 0xffff, 0x3, 0x3, 0xfeedcafe, 0x0, 0x0, 0x0, 0x5}})
executing program 3:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000001140)={&(0x7f0000000140)=ANY=[@ANYBLOB="480000001000030500"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000280012800b0001006d61637365630000180002800c0004000100000100c280000500030004"], 0x48}}, 0x0)
executing program 4:
r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffb)
add_key(&(0x7f0000000040)='pkcs7_test\x00', 0x0, &(0x7f00000000c0)="100c0601001000bad775aa1b71ca", 0xe, r0)
executing program 2:
r0 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$VIDIOC_ENUM_FRAMESIZES(r0, 0xc02c564a, &(0x7f0000000040)={0x6, 0x3234564e, 0x3, @discrete={0x3b79f0fc, 0xffffffff}})
executing program 3:
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100), 0x0)
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x40505330, &(0x7f0000000240)={0x8000fe, 0x0, 0x8, 0x2e1dc, 0x1101, 0xdf})
executing program 4:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0xb3, 0x7f}, 0x48)
fgetxattr(r0, &(0x7f0000000040)=@random={'security.', 'GPL\x00'}, &(0x7f00000001c0)=""/109, 0x6d)
executing program 2:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x9e, 0x17, 0x36, 0x10, 0x17ef, 0x721e, 0xde06, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000640)={0x0, 0x31, 0x4, "0b0f2d5e"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})
executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0x3, 0x9, 0xacaf})
executing program 3:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
process_vm_writev(r0, &(0x7f0000001900)=[{&(0x7f0000001600)=""/247, 0xf7}], 0x1, &(0x7f0000001e40)=[{0x0}, {&(0x7f00000019c0)=""/215, 0xd7}], 0x2, 0x0)
executing program 4:
r0 = fsopen(&(0x7f0000000040)='afs\x00', 0x0)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000300)='source', &(0x7f00000000c0)='%.,:', 0x0)
executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)
executing program 0:
r0 = syz_open_dev$sg(&(0x7f00000004c0), 0x0, 0x20c02)
read(r0, 0x0, 0x0)
executing program 0:
r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0)
pwritev(r0, &(0x7f0000000600)=[{&(0x7f0000000240)="01000000", 0x4}, {&(0x7f0000000200)="f697079a16", 0x5}], 0x2, 0x0, 0x0)
executing program 0:
r0 = openat$6lowpan_enable(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
readv(r0, &(0x7f0000002340)=[{&(0x7f0000000000)=""/2, 0x2}, {&(0x7f0000000100)=""/4, 0x4}], 0x2)
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 2:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})
executing program 32:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 33:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 34:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 35:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)
executing program 36:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})

program crashed: INFO: task hung in addrconf_dad_work
bisect: bisecting 35 programs
bisect: split chunks (needed=false): <35>
bisect: split chunk #0 of len 35 into 3 parts
bisect: testing without sub-chunk 1/3
testing program (duration=6m5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
detailed listing:
executing program 3:
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100), 0x0)
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x40505330, &(0x7f0000000240)={0x8000fe, 0x0, 0x8, 0x2e1dc, 0x1101, 0xdf})
executing program 4:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0xb3, 0x7f}, 0x48)
fgetxattr(r0, &(0x7f0000000040)=@random={'security.', 'GPL\x00'}, &(0x7f00000001c0)=""/109, 0x6d)
executing program 2:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x9e, 0x17, 0x36, 0x10, 0x17ef, 0x721e, 0xde06, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000640)={0x0, 0x31, 0x4, "0b0f2d5e"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})
executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0x3, 0x9, 0xacaf})
executing program 3:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
process_vm_writev(r0, &(0x7f0000001900)=[{&(0x7f0000001600)=""/247, 0xf7}], 0x1, &(0x7f0000001e40)=[{0x0}, {&(0x7f00000019c0)=""/215, 0xd7}], 0x2, 0x0)
executing program 4:
r0 = fsopen(&(0x7f0000000040)='afs\x00', 0x0)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000300)='source', &(0x7f00000000c0)='%.,:', 0x0)
executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)
executing program 0:
r0 = syz_open_dev$sg(&(0x7f00000004c0), 0x0, 0x20c02)
read(r0, 0x0, 0x0)
executing program 0:
r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0)
pwritev(r0, &(0x7f0000000600)=[{&(0x7f0000000240)="01000000", 0x4}, {&(0x7f0000000200)="f697079a16", 0x5}], 0x2, 0x0, 0x0)
executing program 0:
r0 = openat$6lowpan_enable(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
readv(r0, &(0x7f0000002340)=[{&(0x7f0000000000)=""/2, 0x2}, {&(0x7f0000000100)=""/4, 0x4}], 0x2)
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 2:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})
executing program 32:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 33:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 34:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 35:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)
executing program 36:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})

program crashed: INFO: task hung in linkwatch_event
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/3
testing program (duration=6m2s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
detailed listing:
executing program 0:
r0 = syz_open_dev$sg(&(0x7f00000004c0), 0x0, 0x20c02)
read(r0, 0x0, 0x0)
executing program 0:
r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0)
pwritev(r0, &(0x7f0000000600)=[{&(0x7f0000000240)="01000000", 0x4}, {&(0x7f0000000200)="f697079a16", 0x5}], 0x2, 0x0, 0x0)
executing program 0:
r0 = openat$6lowpan_enable(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
readv(r0, &(0x7f0000002340)=[{&(0x7f0000000000)=""/2, 0x2}, {&(0x7f0000000100)=""/4, 0x4}], 0x2)
executing program 0:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 2:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})
executing program 32:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=@newlink={0x54, 0x10, 0x401, 0x4000, 0x0, {0x0, 0x0, 0xffff, 0x0, 0x124, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x10, 0x2, 0x0, 0x1, [@IFLA_VLAN_FLAGS={0xc, 0x2, {0x16, 0x17}}]}}}, @IFLA_IFNAME={0x14, 0x3, 'vlan0\x00'}]}, 0x54}}, 0x0)
executing program 33:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 34:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 35:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)
executing program 36:
r0 = syz_open_dev$radio(&(0x7f0000000000), 0xffffffffffffffff, 0x2)
ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0xf000000, 0x1, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0x98f903, 0x0, '\x00', @string=0x0}})

program did not crash
bisect: testing without sub-chunk 3/3
testing program (duration=6m3s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
detailed listing:
executing program 3:
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100), 0x0)
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x40505330, &(0x7f0000000240)={0x8000fe, 0x0, 0x8, 0x2e1dc, 0x1101, 0xdf})
executing program 4:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0xb3, 0x7f}, 0x48)
fgetxattr(r0, &(0x7f0000000040)=@random={'security.', 'GPL\x00'}, &(0x7f00000001c0)=""/109, 0x6d)
executing program 2:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x9e, 0x17, 0x36, 0x10, 0x17ef, 0x721e, 0xde06, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000640)={0x0, 0x31, 0x4, "0b0f2d5e"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})
executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0x3, 0x9, 0xacaf})
executing program 3:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
process_vm_writev(r0, &(0x7f0000001900)=[{&(0x7f0000001600)=""/247, 0xf7}], 0x1, &(0x7f0000001e40)=[{0x0}, {&(0x7f00000019c0)=""/215, 0xd7}], 0x2, 0x0)
executing program 4:
r0 = fsopen(&(0x7f0000000040)='afs\x00', 0x0)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000300)='source', &(0x7f00000000c0)='%.,:', 0x0)
executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)

program crashed: INFO: task hung in inet_rtm_newaddr
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <12>
bisect: split chunk #0 of len 12 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=6m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2]
detailed listing:
executing program 1:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x50, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9080}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x1, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}}}}}}, @IFLA_NUM_RX_QUEUES={0x8, 0x20, 0xfff}]}, 0x50}}, 0x0)
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000040)={0x3, 0x9, 0xacaf})
executing program 3:
r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
bind$802154_dgram(r0, &(0x7f0000000140)={0x24, @short={0x2, 0x0, 0xaaa3}}, 0x14)
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
process_vm_writev(r0, &(0x7f0000001900)=[{&(0x7f0000001600)=""/247, 0xf7}], 0x1, &(0x7f0000001e40)=[{0x0}, {&(0x7f00000019c0)=""/215, 0xd7}], 0x2, 0x0)
executing program 4:
r0 = fsopen(&(0x7f0000000040)='afs\x00', 0x0)
fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000300)='source', &(0x7f00000000c0)='%.,:', 0x0)
executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)={0x48, 0x3c, 0x107, 0x0, 0x0, {0x1, 0x7c}, [@nested={0x18, 0xfc, 0x0, 0x1, [@nested={0x14, 0x8, 0x0, 0x1, [@typed={0xe, 0x131, 0x0, 0x0, @str='*\'&-.+*{.\x00'}]}]}, @nested={0xc, 0x1, 0x0, 0x1, [@typed={0x6, 0x2006, 0x0, 0x0, @str='\x80\n'}]}, @nested={0x8, 0x2, 0x0, 0x1, [@nested={0x4, 0x115}]}, @typed={0x8, 0x5, 0x0, 0x0, @u32=0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x4c094}, 0x4040)

program did not crash
bisect: testing without sub-chunk 2/2
testing program (duration=6m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2, 2, 2, 2]
detailed listing:
executing program 3:
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100), 0x0)
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x40505330, &(0x7f0000000240)={0x8000fe, 0x0, 0x8, 0x2e1dc, 0x1101, 0xdf})
executing program 4:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0xb3, 0x7f}, 0x48)
fgetxattr(r0, &(0x7f0000000040)=@random={'security.', 'GPL\x00'}, &(0x7f00000001c0)=""/109, 0x6d)
executing program 2:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x9e, 0x17, 0x36, 0x10, 0x17ef, 0x721e, 0xde06, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6}}]}}]}}, 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000640)={0x0, 0x31, 0x4, "0b0f2d5e"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})

program crashed: INFO: task hung in reg_todo
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <6>
bisect: split chunk #0 of len 6 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2, 2]
detailed listing:
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})

program crashed: INFO: rcu detected stall in corrupted
bisect: the chunk can be dropped
bisect: testing without sub-chunk 2/2
bisect: no need to test this chunk, it's definitely needed
bisect: split chunks (needed=true): <3>
bisect: split chunk #0 of len 3 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_GET_MSRS_sys
detailed listing:
executing program 3:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20, 0x0)
ioctl$KVM_GET_MSRS_sys(r0, 0xc008ae88, &(0x7f0000000040)={0x2, 0x0, [{0xc0010117, 0x0, 0x2}, {0x8d9, 0x0, 0x4}]})

program did not crash
bisect: testing without sub-chunk 2/2
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 2]
detailed listing:
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)

program crashed: INFO: task hung in reg_check_chans_work
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <2>
bisect: split chunk #0 of len 2 into 2 parts
bisect: testing without sub-chunk 1/2
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty1-ioctl$KDSETLED
detailed listing:
executing program 4:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$KDSETLED(r0, 0x4b45, 0x4)

program did not crash
bisect: testing without sub-chunk 2/2
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: rcu detected stall in corrupted
bisect: the chunk can be dropped
bisect: split chunks (needed=true): <1>
bisect: split chunk #0 of len 1 into 2 parts
bisect: no way to further split the chunk
bisect: 1 programs left: 

executing program 3:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})


bisect: trying to concatenate
bisect: concatenate 1 entries
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in addrconf_dad_work
bisect: concatenation succeeded
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x5, 0x0)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, 0x0)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', 0x0})

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs})

program did not crash
extracting C reproducer
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: no output from test machine
suppressed program crash: no output from test machine
simplifying guilty program options
testing program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in rtnl_newlink
a never seen crash title: INFO: task hung in rtnl_newlink, ignore
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in addrconf_dad_work
extracting C reproducer
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
simplifying C reproducer
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in reg_process_self_managed_hints
a never seen crash title: INFO: task hung in reg_process_self_managed_hints, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in reg_check_chans_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in reg_check_chans_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in reg_process_self_managed_hints
a never seen crash title: INFO: task hung in reg_process_self_managed_hints, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: rcu detected stall in br_handle_frame
a never seen crash title: INFO: rcu detected stall in br_handle_frame, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in switchdev_deferred_process_work
a never seen crash title: INFO: task hung in switchdev_deferred_process_work, ignore
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in addrconf_dad_work
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
validation run: crashed=false
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in reg_process_self_managed_hints
validation run: crashed=true
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in addrconf_dad_work
validation run: crashed=true
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000080)={'bridge0\x00', &(0x7f00000000c0)=@ethtool_regs={0x4, 0x0, 0x1c, "f42a97b96d025891dd3f75fdda624457ad3d5c36389c308570204262"}})

program crashed: INFO: task hung in reg_check_chans_work
validation run: crashed=true
reproducing took 4h49m11.530252146s
repro crashed as (corrupted=false):
INFO: task kworker/1:1:44 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:20216 pid:44    tgid:44    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x16f3/0x4c20 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 rt_mutex_schedule+0x77/0xf0 kernel/sched/core.c:7339
 rt_mutex_slowlock_block+0x5ba/0x6d0 kernel/locking/rtmutex.c:1647
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1721 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1760 [inline]
 rt_mutex_slowlock+0x2b1/0x6e0 kernel/locking/rtmutex.c:1800
 __rt_mutex_lock kernel/locking/rtmutex.c:1815 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:536 [inline]
 mutex_lock_nested+0x16a/0x1d0 kernel/locking/rtmutex_api.c:547
 class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
 reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 reg_check_chans_work+0x164/0xf30 net/wireless/reg.c:2486
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:12:3567 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:12   state:D stack:19992 pid:3567  tgid:3567  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x16f3/0x4c20 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 rt_mutex_schedule+0x77/0xf0 kernel/sched/core.c:7339
 rt_mutex_slowlock_block+0x5ba/0x6d0 kernel/locking/rtmutex.c:1647
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1721 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1760 [inline]
 rt_mutex_slowlock+0x2b1/0x6e0 kernel/locking/rtmutex.c:1800
 __rt_mutex_lock kernel/locking/rtmutex.c:1815 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:536 [inline]
 mutex_lock_nested+0x16a/0x1d0 kernel/locking/rtmutex_api.c:547
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 addrconf_dad_work+0x119/0x15a0 net/ipv6/addrconf.c:4194
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/9:
4 locks held by kworker/0:1/10:
10 locks held by ksoftirqd/0/15:
2 locks held by ktimers/0/16:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
4 locks held by pr/legacy/17:
2 locks held by ksoftirqd/1/30:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
1 lock held by khungtaskd/38:
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
4 locks held by kworker/1:1/44:
 #0: ffff888019899938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019899938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc90000b57bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc90000b57bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x95/0xf30 net/wireless/reg.c:2483
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x164/0xf30 net/wireless/reg.c:2486
4 locks held by kworker/u8:4/67:
 #0: ffff8880312c1938 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff8880312c1938 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000153fbc0 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000153fbc0 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #3: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #3: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
5 locks held by kworker/u8:8/1419:
7 locks held by kworker/u8:9/1515:
 #0: ffff888019881138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019881138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc90005797bc0 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc90005797bc0 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff888032d25300 (&devlink->lock_key#2){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xbc0 drivers/net/netdevsim/dev.c:853
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report drivers/net/netdevsim/dev.c:806 [inline]
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report_work+0x1ad/0xbc0 drivers/net/netdevsim/dev.c:866
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1bb/0x2c0 kernel/locking/spinlock_rt.c:57
 #5: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #6: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #6: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
3 locks held by kworker/u8:11/3500:
3 locks held by kworker/u8:12/3567:
 #0: ffff888030347938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888030347938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000d91fbc0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000d91fbc0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x119/0x15a0 net/ipv6/addrconf.c:4194
6 locks held by kworker/u9:1/5155:
 #0: ffff888027a2c138 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888027a2c138 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000fb9fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000fb9fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff8880578e8e80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331
 #3: ffff8880578e80a8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30 net/bluetooth/hci_sync.c:5670
 #4: ffffffff8ee3b0d8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2079 [inline]
 #4: ffffffff8ee3b0d8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x310 net/bluetooth/hci_conn.c:1313
 #5: ffff888039936b58 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 net/bluetooth/l2cap_core.c:1762
1 lock held by klogd/5195:
2 locks held by getty/5594:
 #0: ffff88823bf628a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90003e832e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x444/0x1410 drivers/tty/n_tty.c:2222
2 locks held by napi/wg2-0/6083:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
2 locks held by kworker/0:5/6135:
 #0: ffff888019898538 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019898538 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc900041bfbc0 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc900041bfbc0 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
1 lock held by syz-executor/6147:
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0 net/ipv4/devinet.c:978
4 locks held by kworker/u9:3/6153:
 #0: ffff88802669e938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff88802669e938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000416fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000416fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff88803cb20e80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331
 #3: ffff88803cb200a8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30 net/bluetooth/hci_sync.c:5670
1 lock held by syz-executor/6176:
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0 net/ipv4/devinet.c:978
4 locks held by dhcpcd-run-hook/6188:

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]
 watchdog+0xf93/0xfe0 kernel/hung_task.c:491
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__sanitizer_cov_trace_switch+0x7/0x150 kernel/kcov.c:331
Code: 18 48 89 44 0a 20 e9 98 2c 3c 09 cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 06 <48> 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 02 7f 1e 48 85 c9 74
RSP: 0018:ffffc90000156a98 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888028f8c500 RCX: ffff88801c295940
RDX: 0000000000000100 RSI: ffffffff8eccb8a0 RDI: 000000000000dd86
RBP: ffffc90000156d08 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1e3ac07 R12: dffffc0000000000
R13: dffffc0000000000 R14: 000000000000dd86 R15: 000000000002000e
FS:  0000000000000000(0000) GS:ffff8881268bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea1587fa4 CR3: 000000000d7a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __netif_receive_skb_core+0x39d/0x4020 net/core/dev.c:5811
 __netif_receive_skb_one_core net/core/dev.c:5989 [inline]
 __netif_receive_skb+0x72/0x380 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
 NF_HOOK+0x9d/0x390 include/linux/netfilter.h:319
 br_handle_frame_finish+0x14d1/0x19b0 net/bridge/br_input.c:-1
 br_nf_hook_thresh+0x3c6/0x4a0 net/bridge/br_netfilter_hooks.c:-1
 br_nf_pre_routing_finish_ipv6+0x948/0xd00 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x37e/0x6b0 net/bridge/br_netfilter_ipv6.c:184
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:283 [inline]
 br_handle_frame+0x985/0x14d0 net/bridge/br_input.c:434
 __netif_receive_skb_core+0x10b9/0x4020 net/core/dev.c:5878
 __netif_receive_skb_one_core net/core/dev.c:5989 [inline]
 __netif_receive_skb+0x72/0x380 net/core/dev.c:6104
 process_backlog+0x31e/0x900 net/core/dev.c:6456
 __napi_poll+0xb3/0x540 net/core/dev.c:7506
 napi_poll net/core/dev.c:7569 [inline]
 net_rx_action+0x707/0xe00 net/core/dev.c:7696
 handle_softirqs+0x22f/0x710 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1043
 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
INFO: task kworker/1:1:44 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:20216 pid:44    tgid:44    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x16f3/0x4c20 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 rt_mutex_schedule+0x77/0xf0 kernel/sched/core.c:7339
 rt_mutex_slowlock_block+0x5ba/0x6d0 kernel/locking/rtmutex.c:1647
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1721 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1760 [inline]
 rt_mutex_slowlock+0x2b1/0x6e0 kernel/locking/rtmutex.c:1800
 __rt_mutex_lock kernel/locking/rtmutex.c:1815 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:536 [inline]
 mutex_lock_nested+0x16a/0x1d0 kernel/locking/rtmutex_api.c:547
 class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
 reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 reg_check_chans_work+0x164/0xf30 net/wireless/reg.c:2486
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:12:3567 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:12   state:D stack:19992 pid:3567  tgid:3567  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x16f3/0x4c20 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 rt_mutex_schedule+0x77/0xf0 kernel/sched/core.c:7339
 rt_mutex_slowlock_block+0x5ba/0x6d0 kernel/locking/rtmutex.c:1647
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1721 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1760 [inline]
 rt_mutex_slowlock+0x2b1/0x6e0 kernel/locking/rtmutex.c:1800
 __rt_mutex_lock kernel/locking/rtmutex.c:1815 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:536 [inline]
 mutex_lock_nested+0x16a/0x1d0 kernel/locking/rtmutex_api.c:547
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 addrconf_dad_work+0x119/0x15a0 net/ipv6/addrconf.c:4194
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/9:
4 locks held by kworker/0:1/10:
10 locks held by ksoftirqd/0/15:
2 locks held by ktimers/0/16:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
4 locks held by pr/legacy/17:
2 locks held by ksoftirqd/1/30:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
1 lock held by khungtaskd/38:
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #0: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
4 locks held by kworker/1:1/44:
 #0: ffff888019899938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019899938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc90000b57bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc90000b57bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x95/0xf30 net/wireless/reg.c:2483
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff88802a9f0898 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x164/0xf30 net/wireless/reg.c:2486
4 locks held by kworker/u8:4/67:
 #0: ffff8880312c1938 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff8880312c1938 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000153fbc0 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000153fbc0 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #3: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #3: ffff8880b8923d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
5 locks held by kworker/u8:8/1419:
7 locks held by kworker/u8:9/1515:
 #0: ffff888019881138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019881138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc90005797bc0 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc90005797bc0 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff888032d25300 (&devlink->lock_key#2){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xbc0 drivers/net/netdevsim/dev.c:853
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report drivers/net/netdevsim/dev.c:806 [inline]
 #3: ffff888037071920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report_work+0x1ad/0xbc0 drivers/net/netdevsim/dev.c:866
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #4: ffffffff8d9a8d80 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1bb/0x2c0 kernel/locking/spinlock_rt.c:57
 #5: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #6: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #6: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
3 locks held by kworker/u8:11/3500:
3 locks held by kworker/u8:12/3567:
 #0: ffff888030347938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888030347938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000d91fbc0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000d91fbc0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #2: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x119/0x15a0 net/ipv6/addrconf.c:4194
6 locks held by kworker/u9:1/5155:
 #0: ffff888027a2c138 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888027a2c138 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000fb9fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000fb9fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff8880578e8e80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331
 #3: ffff8880578e80a8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30 net/bluetooth/hci_sync.c:5670
 #4: ffffffff8ee3b0d8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2079 [inline]
 #4: ffffffff8ee3b0d8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x310 net/bluetooth/hci_conn.c:1313
 #5: ffff888039936b58 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 net/bluetooth/l2cap_core.c:1762
1 lock held by klogd/5195:
2 locks held by getty/5594:
 #0: ffff88823bf628a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90003e832e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x444/0x1410 drivers/tty/n_tty.c:2222
2 locks held by napi/wg2-0/6083:
 #0: ffffffff8d84a960 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 kernel/softirq.c:163
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline]
 #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 kernel/softirq.c:168
2 locks held by kworker/0:5/6135:
 #0: ffff888019898538 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff888019898538 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc900041bfbc0 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc900041bfbc0 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
1 lock held by syz-executor/6147:
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0 net/ipv4/devinet.c:978
4 locks held by kworker/u9:3/6153:
 #0: ffff88802669e938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
 #0: ffff88802669e938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
 #1: ffffc9000416fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
 #1: ffffc9000416fbc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
 #2: ffff88803cb20e80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d4/0x3a0 net/bluetooth/hci_sync.c:331
 #3: ffff88803cb200a8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x242/0xe30 net/bluetooth/hci_sync.c:5670
1 lock held by syz-executor/6176:
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 #0: ffffffff8ecd35f8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x3b0/0x18b0 net/ipv4/devinet.c:978
4 locks held by dhcpcd-run-hook/6188:

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]
 watchdog+0xf93/0xfe0 kernel/hung_task.c:491
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__sanitizer_cov_trace_switch+0x7/0x150 kernel/kcov.c:331
Code: 18 48 89 44 0a 20 e9 98 2c 3c 09 cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 06 <48> 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 02 7f 1e 48 85 c9 74
RSP: 0018:ffffc90000156a98 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888028f8c500 RCX: ffff88801c295940
RDX: 0000000000000100 RSI: ffffffff8eccb8a0 RDI: 000000000000dd86
RBP: ffffc90000156d08 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffffbfff1e3ac07 R12: dffffc0000000000
R13: dffffc0000000000 R14: 000000000000dd86 R15: 000000000002000e
FS:  0000000000000000(0000) GS:ffff8881268bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea1587fa4 CR3: 000000000d7a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __netif_receive_skb_core+0x39d/0x4020 net/core/dev.c:5811
 __netif_receive_skb_one_core net/core/dev.c:5989 [inline]
 __netif_receive_skb+0x72/0x380 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
 NF_HOOK+0x9d/0x390 include/linux/netfilter.h:319
 br_handle_frame_finish+0x14d1/0x19b0 net/bridge/br_input.c:-1
 br_nf_hook_thresh+0x3c6/0x4a0 net/bridge/br_netfilter_hooks.c:-1
 br_nf_pre_routing_finish_ipv6+0x948/0xd00 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x37e/0x6b0 net/bridge/br_netfilter_ipv6.c:184
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:283 [inline]
 br_handle_frame+0x985/0x14d0 net/bridge/br_input.c:434
 __netif_receive_skb_core+0x10b9/0x4020 net/core/dev.c:5878
 __netif_receive_skb_one_core net/core/dev.c:5989 [inline]
 __netif_receive_skb+0x72/0x380 net/core/dev.c:6104
 process_backlog+0x31e/0x900 net/core/dev.c:6456
 __napi_poll+0xb3/0x540 net/core/dev.c:7506
 napi_poll net/core/dev.c:7569 [inline]
 net_rx_action+0x707/0xe00 net/core/dev.c:7696
 handle_softirqs+0x22f/0x710 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1043
 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>