Extracting prog: 3m6.903009858s Minimizing prog: 1h13m49.269915661s Simplifying prog options: 12m50.840765378s Extracting C: 5m38.752362929s 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get single: successfully extracted reproducer found reproducer with 11 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000003c0)={'wlan1\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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-syz_genetlink_get_family_id$nl80211-socket$nl_generic-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-socket$nl_generic-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, 0x0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, 0x0, 0x0, 0x0) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, 0x0, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-socketpair$unix-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, 0x0) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000003c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r0, 0x0, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000003c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000003c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x40880) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program crashed: WARNING in __ieee80211_beacon_get 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000014c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r0, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}], @NL80211_ATTR_CH_SWITCH_COUNT={0x8, 0xb7, 0x78}]}, 0x2c}}, 0x40880) program did not crash reproducing took 1h35m1.591789444s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6131 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 6131 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 6131 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Code: e8 23 1b 64 f6 eb 0d e8 1c 1b 64 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 2c 5a bc f6 45 31 ed e9 4c fe ff ff e8 ff 1a 64 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 f1 1a 64 f6 90 0f 0b 90 e9 e8 f8 ff ff RSP: 0000:ffffc900000079e0 EFLAGS: 00010246 RAX: ffffffff8b3b58a1 RBX: 0000000000000000 RCX: ffff888025fd5a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b3b4f9d R09: ffffffff8b3b49a0 R10: 0000000000000003 R11: ffff888025fd5a00 R12: ffff888028556500 R13: ffff888028805400 R14: ffff8880285569d0 R15: ffff888028554d80 FS: 00005555756cb500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20aeb0f700 CR3: 00000000345ae000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:xas_reload+0x3f0/0x470 include/linux/xarray.h:1613 Code: 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 7a c6 03 01 48 c7 c7 1e 6e 03 8e 89 ee 48 c7 c2 40 a9 13 8c e8 80 eb a2 ff <4c> 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 44 89 f9 80 RSP: 0000:ffffc900036476c0 EFLAGS: 00000293 RAX: ffffffff81d82880 RBX: 0000000000000000 RCX: ffff888025fd5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffff88807fefe800 R08: ffffffff81d827bf R09: 1ffffd40003b7800 R10: dffffc0000000000 R11: fffff940003b7801 R12: ffffc900036478c0 R13: 1ffff920006c8f18 R14: ffffea0001dbc000 R15: ffff88802341c580 next_uptodate_folio+0x168/0x5f0 mm/filemap.c:3509 filemap_map_pages+0x2ea/0x1900 mm/filemap.c:3646 do_fault_around mm/memory.c:5280 [inline] do_read_fault mm/memory.c:5313 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing mm/memory.c:3979 [inline] handle_pte_fault+0x3888/0x5ed0 mm/memory.c:5801 __handle_mm_fault mm/memory.c:5944 [inline] handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6112 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f20aeb0f700 Code: Unable to access opcode bytes at 0x7f20aeb0f6d6. RSP: 002b:00007ffd4ba5f538 EFLAGS: 00010286 RAX: ffffffffffffffff RBX: 00007ffd4ba5f540 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00007ffd4ba5f540 RDI: 00005555756cb808 RBP: 00007ffd4ba5f96c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000004ce8d R14: 00007ffd4ba5f9c0 R15: 00007ffd4ba5f9c0 ---------------- Code disassembly (best guess): 0: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 7: fc ff df a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax e: 84 c0 test %al,%al 10: 75 7a jne 0x8c 12: c6 03 01 movb $0x1,(%rbx) 15: 48 c7 c7 1e 6e 03 8e mov $0xffffffff8e036e1e,%rdi 1c: 89 ee mov %ebp,%esi 1e: 48 c7 c2 40 a9 13 8c mov $0xffffffff8c13a940,%rdx 25: e8 80 eb a2 ff call 0xffa2ebaa * 2a: 4c 89 f0 mov %r14,%rax <-- trapping instruction 2d: 5b pop %rbx 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: 41 5f pop %r15 36: 5d pop %rbp 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 44 89 f9 mov %r15d,%ecx 3f: 80 .byte 0x80 final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6131 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 6131 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 6131 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Code: e8 23 1b 64 f6 eb 0d e8 1c 1b 64 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 2c 5a bc f6 45 31 ed e9 4c fe ff ff e8 ff 1a 64 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 f1 1a 64 f6 90 0f 0b 90 e9 e8 f8 ff ff RSP: 0000:ffffc900000079e0 EFLAGS: 00010246 RAX: ffffffff8b3b58a1 RBX: 0000000000000000 RCX: ffff888025fd5a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b3b4f9d R09: ffffffff8b3b49a0 R10: 0000000000000003 R11: ffff888025fd5a00 R12: ffff888028556500 R13: ffff888028805400 R14: ffff8880285569d0 R15: ffff888028554d80 FS: 00005555756cb500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20aeb0f700 CR3: 00000000345ae000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:xas_reload+0x3f0/0x470 include/linux/xarray.h:1613 Code: 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 7a c6 03 01 48 c7 c7 1e 6e 03 8e 89 ee 48 c7 c2 40 a9 13 8c e8 80 eb a2 ff <4c> 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 44 89 f9 80 RSP: 0000:ffffc900036476c0 EFLAGS: 00000293 RAX: ffffffff81d82880 RBX: 0000000000000000 RCX: ffff888025fd5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffff88807fefe800 R08: ffffffff81d827bf R09: 1ffffd40003b7800 R10: dffffc0000000000 R11: fffff940003b7801 R12: ffffc900036478c0 R13: 1ffff920006c8f18 R14: ffffea0001dbc000 R15: ffff88802341c580 next_uptodate_folio+0x168/0x5f0 mm/filemap.c:3509 filemap_map_pages+0x2ea/0x1900 mm/filemap.c:3646 do_fault_around mm/memory.c:5280 [inline] do_read_fault mm/memory.c:5313 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing mm/memory.c:3979 [inline] handle_pte_fault+0x3888/0x5ed0 mm/memory.c:5801 __handle_mm_fault mm/memory.c:5944 [inline] handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6112 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f20aeb0f700 Code: Unable to access opcode bytes at 0x7f20aeb0f6d6. RSP: 002b:00007ffd4ba5f538 EFLAGS: 00010286 RAX: ffffffffffffffff RBX: 00007ffd4ba5f540 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00007ffd4ba5f540 RDI: 00005555756cb808 RBP: 00007ffd4ba5f96c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000004ce8d R14: 00007ffd4ba5f9c0 R15: 00007ffd4ba5f9c0 ---------------- Code disassembly (best guess): 0: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 7: fc ff df a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax e: 84 c0 test %al,%al 10: 75 7a jne 0x8c 12: c6 03 01 movb $0x1,(%rbx) 15: 48 c7 c7 1e 6e 03 8e mov $0xffffffff8e036e1e,%rdi 1c: 89 ee mov %ebp,%esi 1e: 48 c7 c2 40 a9 13 8c mov $0xffffffff8c13a940,%rdx 25: e8 80 eb a2 ff call 0xffa2ebaa * 2a: 4c 89 f0 mov %r14,%rax <-- trapping instruction 2d: 5b pop %rbx 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: 41 5f pop %r15 36: 5d pop %rbp 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 44 89 f9 mov %r15d,%ecx 3f: 80 .byte 0x80