Extracting prog: 5m17.723555458s Minimizing prog: 56m18.963299277s Simplifying prog options: 12m50.883591236s Extracting C: 5m24.099382063s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program did not crash program did not crash single: failed to extract reproducer single: executing 1 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}}): socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: WARNING in __cfg80211_ibss_joined single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00'}) 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$nl_generic-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 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$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, 0x0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r1}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 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_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r1}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00'}) sendmsg$NL80211_CMD_FRAME(r0, 0x0, 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00'}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x800}, 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00'}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x800}, 0x0) program did not crash extracting C reproducer testing compiled C 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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: WARNING in __cfg80211_ibss_joined extracting C reproducer testing compiled C program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: WARNING in __cfg80211_ibss_joined validation run: crashed=true testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: WARNING in __cfg80211_ibss_joined validation run: crashed=true testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_FRAME detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000004c0)={0x4c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_FRAME={0x26, 0x33, @action={{{}, {}, @device_b}, @channel_switch={0x0, 0x4, {{0x25, 0x3, {0x1, 0xb7, 0x2}}, @val={0x3e, 0x1, 0x1}, @void}}}}, @NL80211_ATTR_CSA_C_OFFSETS_TX={0x8, 0xcd, [0x5, 0x5]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x0) program crashed: WARNING in __cfg80211_ibss_joined validation run: crashed=true reproducing took 1h29m29.554905104s repro crashed as (corrupted=false): ------------[ cut here ]------------ !bss WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x3da/0x450 net/wireless/ibss.c:37, CPU#0: kworker/u8:4/59 Modules linked in: CPU: 0 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: cfg80211 cfg80211_event_work RIP: 0010:__cfg80211_ibss_joined+0x3da/0x450 net/wireless/ibss.c:37 Code: 00 00 00 75 69 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 72 54 ba f6 90 0f 0b 90 eb b5 e8 67 54 ba f6 90 <0f> 0b 90 4c 8b 6c 24 18 eb a5 e8 57 54 ba f6 90 0f 0b 90 e9 d6 fd RSP: 0018:ffffc9000200f940 EFLAGS: 00010293 RAX: ffffffff8b0b5b89 RBX: dffffc0000000000 RCX: ffff88801cb10000 RDX: 0000000000000000 RSI: ffffffff8df2facf RDI: ffffffff8c27d480 RBP: ffffc9000200fa08 R08: ffffffff9011d4b7 R09: 1ffffffff2023a96 R10: dffffc0000000000 R11: fffffbfff2023a97 R12: ffff88807c8fce10 R13: 1ffff92000401f30 R14: ffff888046ea3438 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff888125447000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb0c2d2ba40 CR3: 00000000366de000 CR4: 00000000003526f0 Call Trace: cfg80211_process_wdev_events+0x398/0x5a0 net/wireless/util.c:1144 cfg80211_process_rdev_events+0xa1/0x110 net/wireless/util.c:1179 cfg80211_event_work+0x31/0x70 net/wireless/core.c:393 process_one_work kernel/workqueue.c:3276 [inline] process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): ------------[ cut here ]------------ !bss WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x3da/0x450 net/wireless/ibss.c:37, CPU#0: kworker/u8:4/59 Modules linked in: CPU: 0 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: cfg80211 cfg80211_event_work RIP: 0010:__cfg80211_ibss_joined+0x3da/0x450 net/wireless/ibss.c:37 Code: 00 00 00 75 69 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 72 54 ba f6 90 0f 0b 90 eb b5 e8 67 54 ba f6 90 <0f> 0b 90 4c 8b 6c 24 18 eb a5 e8 57 54 ba f6 90 0f 0b 90 e9 d6 fd RSP: 0018:ffffc9000200f940 EFLAGS: 00010293 RAX: ffffffff8b0b5b89 RBX: dffffc0000000000 RCX: ffff88801cb10000 RDX: 0000000000000000 RSI: ffffffff8df2facf RDI: ffffffff8c27d480 RBP: ffffc9000200fa08 R08: ffffffff9011d4b7 R09: 1ffffffff2023a96 R10: dffffc0000000000 R11: fffffbfff2023a97 R12: ffff88807c8fce10 R13: 1ffff92000401f30 R14: ffff888046ea3438 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff888125447000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb0c2d2ba40 CR3: 00000000366de000 CR4: 00000000003526f0 Call Trace: cfg80211_process_wdev_events+0x398/0x5a0 net/wireless/util.c:1144 cfg80211_process_rdev_events+0xa1/0x110 net/wireless/util.c:1179 cfg80211_event_work+0x31/0x70 net/wireless/core.c:393 process_one_work kernel/workqueue.c:3276 [inline] process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245