Extracting prog: 1h30m18.369901726s Minimizing prog: 7m33.727070509s Simplifying prog options: 0s Extracting C: 31.343788324s Simplifying C: 8m23.200308747s 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}}): socket$nl_route-sendmsg$nl_route-sendmsg$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) program did not crash 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-sendmsg$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 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-sendmsg$nl_route-sendmsg$nl_route-sendmmsg detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) 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-sendmsg$nl_route-sendmsg$nl_route-sendmmsg detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) 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_SET_INTERFACE detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 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_SET_INTERFACE detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 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}}): openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) 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}}): openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) 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}}): openat$audio1-ioctl$SNDCTL_DSP_SETFMT-mmap$dsp-ioctl$SNDCTL_DSP_SETFMT detailed listing: executing program 0: r0 = openat$audio1(0xffffffffffffff9c, &(0x7f0000019240), 0x129202, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000000080)=0x20) mmap$dsp(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x100000f, 0x11, r0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000019280)=0x4000) 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}}): openat$audio1-ioctl$SNDCTL_DSP_SETFMT-mmap$dsp-ioctl$SNDCTL_DSP_SETFMT detailed listing: executing program 0: r0 = openat$audio1(0xffffffffffffff9c, &(0x7f0000019240), 0x129202, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000000080)=0x20) mmap$dsp(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x100000f, 0x11, r0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000019280)=0x4000) 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}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 0: openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x16, 0x13, &(0x7f0000000000)=@framed={{}, [@printk={@p, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x20008000}, {0x85, 0x0, 0x0, 0x70}}, @printk={@i}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, @fallback=0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r0, 0x0, 0x10, 0x38, &(0x7f00000002c0)='\x00\x00\x00\x00\x00\x00\x00\x00', &(0x7f0000000300)=""/8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x4c) executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000bc0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000c00)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c80)={&(0x7f0000000cc0)={0x48, r0, 0x801, 0x0, 0x25dfdbfe, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_MAC={0xa, 0x6, @device_b}, @NL80211_ATTR_KEY={0x20, 0x50, 0x0, 0x1, [@NL80211_KEY_IDX={0x5, 0x2, 0x2}, @NL80211_KEY_DATA_WEP40={0x9, 0x1, "7ee5d52ffd"}, @NL80211_KEY_CIPHER={0x8, 0x3, 0xfac08}]}]}, 0x48}}, 0x0) executing program 0: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f0000000280)='fd', 0x0, r0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000005c0)='fd', 0x0, r0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000140)='./sys\x00', &(0x7f0000000180)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/class/net/bridge0/bridge/vlan_protocol\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='0x8', 0x3) executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x1f, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000005000000000000008000000018000000646c6c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000002000000850000000600000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000001000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000200000085000000a600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x11}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x99e86f6a6737948, 0x2000000000000216, &(0x7f0000000440)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000f00000018010000646c6c2400000000000000007b1a"], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x10, '\x00', 0x0, @fallback=0x12, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x94) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1a, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_BIND_MAP(0xa, &(0x7f00000004c0)={r0}, 0xc) executing program 0: r0 = openat$audio1(0xffffffffffffff9c, &(0x7f0000019240), 0x129202, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000000080)=0x20) mmap$dsp(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x100000f, 0x11, r0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000019280)=0x4000) executing program 32: r0 = openat$audio1(0xffffffffffffff9c, &(0x7f0000019240), 0x129202, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000000080)=0x20) mmap$dsp(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x100000f, 0x11, r0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f0000019280)=0x4000) executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000ec0), 0x2, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x400141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x13, r1, 0x0) write$RDMA_USER_CM_CMD_REJECT(r0, &(0x7f0000000f80)={0x18, 0x108, 0xfa00, {0xffffffffffffffff, 0x4, "1ce45b", "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"}}, 0x110) executing program 4: timer_create(0x8, 0x0, &(0x7f0000bbdffc)=0x0) timer_settime(r0, 0x1, &(0x7f0000000240)={{0x77359400}, {0x0, 0x989680}}, 0x0) timer_gettime(r0, 0x0) timer_settime(r0, 0x0, &(0x7f00000000c0)={{0x0, 0x3938700}, {0x0, 0x989680}}, &(0x7f0000000100)) executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)={0x0, 0x8a, 0x4, 0x40000000, 0x8c, "00080000000000000000000cadf100004000"}) r1 = syz_open_pts(r0, 0x8001) write(r1, 0x0, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='./tracefs\x00', &(0x7f0000000140)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./tracefs/dynamic_events\x00', 0x2, 0x0) write(r0, &(0x7f0000000240)='e:_ygroup/myevent sched.sched_switch', 0x24) executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000000000)=0x1, 0x4) sendto$inet(r0, 0x0, 0x0, 0x3a5a3ed13ff5e80c, &(0x7f0000000040)={0x2, 0x4e21, @empty}, 0x10) sendto$inet(r0, &(0x7f0000000080)='J', 0xfdbe, 0x4004084, 0x0, 0x11000a00) executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x8000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_XSAVE(r2, 0x9000aea4, &(0x7f0000001040)) executing program 4: r0 = syz_open_dev$vim2m(&(0x7f00000001c0), 0x7fff, 0x2) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x3, 0x2, 0x6, 0xfffa}, 0x38, [0xb, 0xc957, 0x1, 0x8, 0x7ffffffb, 0x2, 0x80007, 0x83, 0x20000006, 0xca, 0x6, 0x5f, 0x8, 0x5, 0xfeff2d37, 0xffffff00, 0x20100001, 0x3, 0x0, 0x5, 0x6, 0xc, 0x7, 0x3c5b, 0x1, 0x24, 0x8006, 0x1, 0x5, 0xffffffff, 0x5, 0x4, 0x3, 0x89d2, 0x9, 0x4c74, 0x80000000, 0x40000, 0x0, 0xe, 0xfffffffc, 0x80008071, 0x7, 0x17, 0xd, 0x3, 0xfffffa01, 0x42, 0x8f, 0x4006, 0x6, 0x80000000, 0x0, 0x7, 0x8, 0x400, 0x80, 0x0, 0x4, 0x7, 0x6, 0x4, 0x7, 0x40], [0x10000007, 0xf0000000, 0x8000012f, 0x8004, 0x5, 0x6, 0x129432e6, 0xc8, 0xf9, 0x11, 0x400, 0x6c7, 0x2, 0xfffffffc, 0x7fffffff, 0x0, 0x84, 0x5, 0x2f, 0x10, 0x312, 0xd, 0xffff, 0x2, 0x4, 0x7, 0x7fff, 0x5a7c, 0x7ffe, 0x401, 0x802, 0x7, 0x0, 0x1, 0x4, 0x5f31, 0x2, 0x7f, 0x2, 0x4, 0xb, 0x3ff, 0x2000c, 0x8, 0x9, 0xb, 0x47, 0x60f6, 0xffffffff, 0xfe000000, 0xfffe, 0xfffffffe, 0xd5e, 0x9, 0x5, 0x3, 0x8, 0xa6d, 0x3, 0x6c0, 0xbc45, 0x48c93690, 0x3, 0x1], [0x7, 0x408, 0x8004, 0x6, 0xffffffff, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x9, 0x5, 0x2000000, 0x1ef, 0x5, 0x8, 0x30000, 0x3, 0x30f0, 0x7, 0xb, 0x5, 0x2, 0x0, 0x5a9c, 0x20000008, 0x4, 0x6d01, 0x9, 0x1, 0x800003, 0x1fe, 0x7c, 0x7, 0x5, 0x0, 0xffe, 0xa2, 0x7, 0x4000a9, 0x5, 0x7, 0x8c8, 0x2000af, 0xfffffffe, 0x1000, 0x7ff, 0x125, 0x4, 0x7, 0xfff, 0x0, 0x5, 0x1c, 0x120000, 0x3, 0x2004, 0x6, 0x0, 0x27], [0x9, 0xbb33, 0x7, 0x81, 0x8, 0x6, 0x3, 0x6, 0x0, 0xb9, 0x4e7, 0x5, 0x2, 0x8007, 0x7, 0x8000003, 0x101, 0x10000, 0x4, 0x7ffc, 0x81, 0x2000a620, 0x2, 0x7, 0x1, 0x2, 0x5, 0xe7, 0x8, 0x10000018, 0x0, 0x80000003, 0x6, 0x4, 0xc8, 0x9, 0x1000, 0x10000, 0x1, 0x7e, 0xda4, 0x9602, 0x7, 0xaf, 0x8, 0x4, 0xffffffff, 0x5, 0x45, 0xc, 0x30b1d693, 0x5, 0x1f40, 0x1, 0x41, 0x6c1b, 0x0, 0x804, 0xac1, 0xb1e, 0xd7, 0x9, 0xffff3441, 0xfff]}, 0x45c) ppoll(&(0x7f00000000c0)=[{}, {0xffffffffffffffff, 0x300}], 0x20000000000000dc, 0x0, 0x0, 0x0) ioctl$vim2m_VIDIOC_DQBUF(r0, 0xc0585611, &(0x7f0000000280)=@multiplanar_fd={0x7, 0x1, 0x4, 0x4, 0x5, {0x77359400}, {0x1, 0x8, 0x65, 0xcf, 0x13, 0xff, "d4024221"}, 0x5, 0x4, {0x0}, 0x80000001}) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000001a00)='./sys\x00', 0x1fe) mount(0x0, &(0x7f0000001a40)='./sys\x00', &(0x7f0000001a80)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000001ac0)='./sys/class/net/bridge0/brif/bridge_slave_0/multicast_router\x00', 0x82041, 0x102) write$binfmt_script(r0, &(0x7f0000001b00)={'#! ', './sys'}, 0x9) executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) executing program 3: syz_usb_connect(0x3, 0x2d, &(0x7f0000000440)=ANY=[@ANYBLOB="120100000c9768405e0483020b9901e4020109021b000100000000090400ff0160291d000905", @ANYRES8, @ANYBLOB="b23d"], 0x0) r0 = syz_open_dev$audion(&(0x7f0000000480), 0x3, 0x1) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, &(0x7f0000000500)=0x8) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, &(0x7f00000007c0)=0x6) executing program 33: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) executing program 3: r0 = socket(0xa, 0x3, 0xff) syz_emit_ethernet(0x3e, &(0x7f0000000100)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaa5786dd6c370c8900082b0000000000000000000023000000000000fe8000000000000000000000000000aaff"], 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000002840)={0x1, &(0x7f00000000c0)=[{0x6, 0x0, 0x4a}]}, 0x10) syz_emit_ethernet(0x42, &(0x7f0000000100)=ANY=[], 0x0) executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) executing program 34: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) executing program 1: r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f0000000280)='.\x00', 0xa4000160) read(r0, &(0x7f0000001f40)=""/4086, 0xff6) openat(0xffffffffffffff9c, &(0x7f0000000f40)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2440, 0x0) executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000ac0)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000680)=""/140, 0x8c}], 0x1, &(0x7f0000002f40)=""/229, 0xe5}, 0x40000004) sendmsg$tipc(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000040)="e909000000747a9bab1ccbda126d1d347f32977d0fca647cd8921ba460d8eb0a5612a6ecdb0000000000000000005400dd4da300e021f5767186799af720b27ef5ddc50180008b6c2ff74ec4bffc57504e3df152b5c421bc9aaeaac4b96faa8cbf2e40137d0d7de6fe3a2bef44da6cbfc054356adcf7f0a231b046c717fe", 0x7e}, {&(0x7f0000000b00)="9b11a80b974e60df4aa8901d6aa0b636089fc5d733", 0x15}, {&(0x7f0000000100)="0827abc4cb84cc", 0x7}], 0x3, 0x0, 0x0, 0x10}, 0x4000000) close(r1) executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) unshare(0x2040400) sendmsg$NFT_BATCH(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a5c000000060a010400000000000000000a0000010900010073797a3100000000300004802c0001800b000100736f636b657400001c000280080002400000000b080001400000000308000300000000ff0900020073797a32"], 0x84}, 0x1, 0x0, 0x0, 0x4000850}, 0x24000000) executing program 1: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) shutdown(r0, 0x1) recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000540)=""/4078, 0xfee}, {&(0x7f0000001540)=""/141, 0x8d}, {&(0x7f0000001600)=""/4116, 0x1005}, {&(0x7f0000002640)=""/6, 0x6}, {&(0x7f0000002680)=""/231, 0xe7}], 0x5}}], 0x3ffffbd, 0x0, 0x0) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) executing program 1: r0 = socket$kcm(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xf, &(0x7f0000000180), 0x161) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="12010000000000108117980800000000000109022400010000000009040000020308000009210000010122290a09058103", @ANYBLOB="b5"], 0x0) syz_open_dev$evdev(&(0x7f0000000400), 0xe, 0xc100) executing program 1: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 35: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@loopback, 0x800, 0x0, 0x3, 0x1}, 0x20) setuid(0xee01) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000040)={@loopback={0xfec0ffffffffffff}, 0x800, 0x0, 0x3, 0x0, 0x0, 0x7}, 0x20) executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000540)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000180)={0x3c, r0, 0x801, 0x400, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_KEY={0x20, 0x50, 0x0, 0x1, [@NL80211_KEY_DATA_WEP40={0x9, 0x1, "64ac8e2b1a"}, @NL80211_KEY_IDX={0x5, 0x2, 0x2}, @NL80211_KEY_CIPHER={0x8, 0x3, 0xfac02}]}]}, 0x3c}}, 0x0) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) executing program 36: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) program crashed: WARNING in io_sq_thread_stop 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}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x8000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_XSAVE(r2, 0x9000aea4, &(0x7f0000001040)) executing program 4: r0 = syz_open_dev$vim2m(&(0x7f00000001c0), 0x7fff, 0x2) write$uinput_user_dev(0xffffffffffffffff, &(0x7f0000000400)={'syz0\x00', {0x3, 0x2, 0x6, 0xfffa}, 0x38, [0xb, 0xc957, 0x1, 0x8, 0x7ffffffb, 0x2, 0x80007, 0x83, 0x20000006, 0xca, 0x6, 0x5f, 0x8, 0x5, 0xfeff2d37, 0xffffff00, 0x20100001, 0x3, 0x0, 0x5, 0x6, 0xc, 0x7, 0x3c5b, 0x1, 0x24, 0x8006, 0x1, 0x5, 0xffffffff, 0x5, 0x4, 0x3, 0x89d2, 0x9, 0x4c74, 0x80000000, 0x40000, 0x0, 0xe, 0xfffffffc, 0x80008071, 0x7, 0x17, 0xd, 0x3, 0xfffffa01, 0x42, 0x8f, 0x4006, 0x6, 0x80000000, 0x0, 0x7, 0x8, 0x400, 0x80, 0x0, 0x4, 0x7, 0x6, 0x4, 0x7, 0x40], [0x10000007, 0xf0000000, 0x8000012f, 0x8004, 0x5, 0x6, 0x129432e6, 0xc8, 0xf9, 0x11, 0x400, 0x6c7, 0x2, 0xfffffffc, 0x7fffffff, 0x0, 0x84, 0x5, 0x2f, 0x10, 0x312, 0xd, 0xffff, 0x2, 0x4, 0x7, 0x7fff, 0x5a7c, 0x7ffe, 0x401, 0x802, 0x7, 0x0, 0x1, 0x4, 0x5f31, 0x2, 0x7f, 0x2, 0x4, 0xb, 0x3ff, 0x2000c, 0x8, 0x9, 0xb, 0x47, 0x60f6, 0xffffffff, 0xfe000000, 0xfffe, 0xfffffffe, 0xd5e, 0x9, 0x5, 0x3, 0x8, 0xa6d, 0x3, 0x6c0, 0xbc45, 0x48c93690, 0x3, 0x1], [0x7, 0x408, 0x8004, 0x6, 0xffffffff, 0x100, 0x8d2, 0x9, 0x5, 0x7fff, 0x0, 0x5, 0xb, 0x4, 0x9, 0x5, 0x2000000, 0x1ef, 0x5, 0x8, 0x30000, 0x3, 0x30f0, 0x7, 0xb, 0x5, 0x2, 0x0, 0x5a9c, 0x20000008, 0x4, 0x6d01, 0x9, 0x1, 0x800003, 0x1fe, 0x7c, 0x7, 0x5, 0x0, 0xffe, 0xa2, 0x7, 0x4000a9, 0x5, 0x7, 0x8c8, 0x2000af, 0xfffffffe, 0x1000, 0x7ff, 0x125, 0x4, 0x7, 0xfff, 0x0, 0x5, 0x1c, 0x120000, 0x3, 0x2004, 0x6, 0x0, 0x27], [0x9, 0xbb33, 0x7, 0x81, 0x8, 0x6, 0x3, 0x6, 0x0, 0xb9, 0x4e7, 0x5, 0x2, 0x8007, 0x7, 0x8000003, 0x101, 0x10000, 0x4, 0x7ffc, 0x81, 0x2000a620, 0x2, 0x7, 0x1, 0x2, 0x5, 0xe7, 0x8, 0x10000018, 0x0, 0x80000003, 0x6, 0x4, 0xc8, 0x9, 0x1000, 0x10000, 0x1, 0x7e, 0xda4, 0x9602, 0x7, 0xaf, 0x8, 0x4, 0xffffffff, 0x5, 0x45, 0xc, 0x30b1d693, 0x5, 0x1f40, 0x1, 0x41, 0x6c1b, 0x0, 0x804, 0xac1, 0xb1e, 0xd7, 0x9, 0xffff3441, 0xfff]}, 0x45c) ppoll(&(0x7f00000000c0)=[{}, {0xffffffffffffffff, 0x300}], 0x20000000000000dc, 0x0, 0x0, 0x0) ioctl$vim2m_VIDIOC_DQBUF(r0, 0xc0585611, &(0x7f0000000280)=@multiplanar_fd={0x7, 0x1, 0x4, 0x4, 0x5, {0x77359400}, {0x1, 0x8, 0x65, 0xcf, 0x13, 0xff, "d4024221"}, 0x5, 0x4, {0x0}, 0x80000001}) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000001a00)='./sys\x00', 0x1fe) mount(0x0, &(0x7f0000001a40)='./sys\x00', &(0x7f0000001a80)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000001ac0)='./sys/class/net/bridge0/brif/bridge_slave_0/multicast_router\x00', 0x82041, 0x102) write$binfmt_script(r0, &(0x7f0000001b00)={'#! ', './sys'}, 0x9) executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) executing program 3: syz_usb_connect(0x3, 0x2d, &(0x7f0000000440)=ANY=[@ANYBLOB="120100000c9768405e0483020b9901e4020109021b000100000000090400ff0160291d000905", @ANYRES8, @ANYBLOB="b23d"], 0x0) r0 = syz_open_dev$audion(&(0x7f0000000480), 0x3, 0x1) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, &(0x7f0000000500)=0x8) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, &(0x7f00000007c0)=0x6) executing program 33: openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl(r1, 0x400caed0, &(0x7f0000000140)) executing program 3: r0 = socket(0xa, 0x3, 0xff) syz_emit_ethernet(0x3e, &(0x7f0000000100)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaa5786dd6c370c8900082b0000000000000000000023000000000000fe8000000000000000000000000000aaff"], 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000002840)={0x1, &(0x7f00000000c0)=[{0x6, 0x0, 0x4a}]}, 0x10) syz_emit_ethernet(0x42, &(0x7f0000000100)=ANY=[], 0x0) executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) executing program 34: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000100)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) executing program 1: r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f0000000280)='.\x00', 0xa4000160) read(r0, &(0x7f0000001f40)=""/4086, 0xff6) openat(0xffffffffffffff9c, &(0x7f0000000f40)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2440, 0x0) executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000ac0)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000680)=""/140, 0x8c}], 0x1, &(0x7f0000002f40)=""/229, 0xe5}, 0x40000004) sendmsg$tipc(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000040)="e909000000747a9bab1ccbda126d1d347f32977d0fca647cd8921ba460d8eb0a5612a6ecdb0000000000000000005400dd4da300e021f5767186799af720b27ef5ddc50180008b6c2ff74ec4bffc57504e3df152b5c421bc9aaeaac4b96faa8cbf2e40137d0d7de6fe3a2bef44da6cbfc054356adcf7f0a231b046c717fe", 0x7e}, {&(0x7f0000000b00)="9b11a80b974e60df4aa8901d6aa0b636089fc5d733", 0x15}, {&(0x7f0000000100)="0827abc4cb84cc", 0x7}], 0x3, 0x0, 0x0, 0x10}, 0x4000000) close(r1) executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) unshare(0x2040400) sendmsg$NFT_BATCH(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a5c000000060a010400000000000000000a0000010900010073797a3100000000300004802c0001800b000100736f636b657400001c000280080002400000000b080001400000000308000300000000ff0900020073797a32"], 0x84}, 0x1, 0x0, 0x0, 0x4000850}, 0x24000000) executing program 1: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) shutdown(r0, 0x1) recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000540)=""/4078, 0xfee}, {&(0x7f0000001540)=""/141, 0x8d}, {&(0x7f0000001600)=""/4116, 0x1005}, {&(0x7f0000002640)=""/6, 0x6}, {&(0x7f0000002680)=""/231, 0xe7}], 0x5}}], 0x3ffffbd, 0x0, 0x0) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) executing program 1: r0 = socket$kcm(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xf, &(0x7f0000000180), 0x161) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="12010000000000108117980800000000000109022400010000000009040000020308000009210000010122290a09058103", @ANYBLOB="b5"], 0x0) syz_open_dev$evdev(&(0x7f0000000400), 0xe, 0xc100) executing program 1: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 35: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@loopback, 0x800, 0x0, 0x3, 0x1}, 0x20) setuid(0xee01) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000040)={@loopback={0xfec0ffffffffffff}, 0x800, 0x0, 0x3, 0x0, 0x0, 0x7}, 0x20) executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000540)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000180)={0x3c, r0, 0x801, 0x400, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_KEY={0x20, 0x50, 0x0, 0x1, [@NL80211_KEY_DATA_WEP40={0x9, 0x1, "64ac8e2b1a"}, @NL80211_KEY_IDX={0x5, 0x2, 0x2}, @NL80211_KEY_CIPHER={0x8, 0x3, 0xfac02}]}]}, 0x3c}}, 0x0) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) executing program 36: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) program crashed: WARNING in io_sq_thread_stop 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}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 1: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) shutdown(r0, 0x1) recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000540)=""/4078, 0xfee}, {&(0x7f0000001540)=""/141, 0x8d}, {&(0x7f0000001600)=""/4116, 0x1005}, {&(0x7f0000002640)=""/6, 0x6}, {&(0x7f0000002680)=""/231, 0xe7}], 0x5}}], 0x3ffffbd, 0x0, 0x0) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) executing program 1: r0 = socket$kcm(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xf, &(0x7f0000000180), 0x161) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="12010000000000108117980800000000000109022400010000000009040000020308000009210000010122290a09058103", @ANYBLOB="b5"], 0x0) syz_open_dev$evdev(&(0x7f0000000400), 0xe, 0xc100) executing program 1: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 35: r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[], 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x8000002) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="48000000100001060100000000000000000000000000000000000000000000001000032073797a6b616c6c65723000001800128008000100767266000c000280080001"], 0x48}}, 0x0) sendmmsg(r0, &(0x7f0000000000), 0x4000000000001f2, 0xfc) executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@loopback, 0x800, 0x0, 0x3, 0x1}, 0x20) setuid(0xee01) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000040)={@loopback={0xfec0ffffffffffff}, 0x800, 0x0, 0x3, 0x0, 0x0, 0x7}, 0x20) executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000540)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000180)={0x3c, r0, 0x801, 0x400, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_KEY={0x20, 0x50, 0x0, 0x1, [@NL80211_KEY_DATA_WEP40={0x9, 0x1, "64ac8e2b1a"}, @NL80211_KEY_IDX={0x5, 0x2, 0x2}, @NL80211_KEY_CIPHER={0x8, 0x3, 0xfac02}]}]}, 0x3c}}, 0x0) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) executing program 36: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) program crashed: WARNING in io_sq_thread_stop bisect: the chunk can be dropped bisect: testing without sub-chunk 3/3 bisect: split chunks (needed=true): <11> bisect: split chunk #0 of len 11 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=6m1s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4] detailed listing: executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) executing program 36: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) program crashed: WARNING in io_sq_thread_stop 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): <5> bisect: split chunk #0 of len 5 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}}): [4, 4] detailed listing: executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) executing program 36: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="50000000100001060100000000000000000000006400000000000000000000000c00030076786c616e300000240012800c00010076786c616e00000014000280050019000100000005001e0001"], 0x50}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c000000780001040200000000000000070000006400000014000180080003006400000008000200c8"], 0x2c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="200000001100010003000000000064000000000064"], 0x20}}, 0x0) 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}}): [4, 4, 4] detailed listing: executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) program crashed: WARNING in io_sq_thread_stop bisect: the chunk can be dropped 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}}): syz_io_uring_setup-syz_io_uring_submit-syz_io_uring_setup-syz_ublk_add_dev detailed listing: executing program 2: r0 = syz_io_uring_setup(0xd3a, &(0x7f0000000b00)={0x0, 0x2, 0x3010, 0x2, 0x3}, &(0x7f0000000280)=0x0, &(0x7f0000000140)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, r3, &(0x7f00000006c0)=@IORING_OP_TIMEOUT={0xb, 0x0, 0x0, 0x0, 0x21, &(0x7f00000001c0), 0x1, 0x40}) syz_io_uring_setup(0xf00, &(0x7f0000000480)={0x0, 0x0, 0x1000, 0x1000000, 0x55, 0x0, r0}, &(0x7f0000000380)=0x0, &(0x7f00000002c0), &(0x7f0000000080)) syz_ublk_add_dev(r0, r4, r2, r3, &(0x7f0000000540)={0x2e, 0x8, 0x300, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@new_dev={0x8003, 0x3b4, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x10}}}, &(0x7f0000000340)) 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}}): [4, 4] detailed listing: executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0xe, 0x401d031, 0xffffffffffffffff, 0x0) r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004"], 0x0, 0x26}, 0x28) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x3, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000540)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000580)=""/168, 0x0, 0x0, '\x00', 0x0, @sock_ops, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000640), 0x1, 0x0, 0xffffffffffffffff, 0xf5010000}, 0x6d) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000680)={r1, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, &(0x7f00000007c0), 0x0, 0xfeffffff, 0x10, 0x8, 0x20000, 0x0}}, 0x10) executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) program crashed: WARNING in io_sq_thread_stop 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}}): mmap$IORING_OFF_SQ_RING-syz_io_uring_setup-mmap-io_uring_enter detailed listing: executing program 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) program crashed: WARNING in io_sq_thread_stop 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): <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 2: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) bisect: trying to concatenate bisect: concatenate 1 entries testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-syz_io_uring_setup-mmap-io_uring_enter detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) io_uring_enter(r0, 0x20, 0xa9e7, 0x3, &(0x7f00000004c0)={[0xfffffffffffffffa]}, 0x8) program crashed: WARNING in io_sq_thread_stop bisect: concatenation succeeded found reproducer with 4 syscalls minimizing guilty program testing program (duration=1m11.107964444s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-syz_io_uring_setup-mmap detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) program crashed: WARNING in io_sq_thread_stop testing program (duration=1m11.107964444s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-syz_io_uring_setup detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program crashed: WARNING in io_sq_thread_stop testing program (duration=1m11.107964444s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0xc00001, 0x3000007, 0x401d031, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=1m11.107964444s, {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_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program crashed: WARNING in io_sq_thread_stop testing program (duration=1m11.107964444s, {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_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m11.107964444s, {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_io_uring_setup program crashed: WARNING in io_sq_thread_stop simplifying C reproducer testing compiled C program (duration=1m11.107964444s, {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}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {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}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {Threaded:false 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}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing compiled C program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup program crashed: WARNING in io_sq_thread_stop testing program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program crashed: WARNING in io_sq_thread_stop validation run: crashed=true testing program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program crashed: WARNING in io_sq_thread_stop validation run: crashed=true testing program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=1m11.107964444s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup detailed listing: executing program 0: syz_io_uring_setup(0xec4, &(0x7f0000000380)={0x0, 0xffffff7c, 0x2, 0x3, 0x34b}, 0x0, 0x0, 0x0) program crashed: WARNING in io_sq_thread_stop validation run: crashed=true reproducing took 1h52m41.829570853s repro crashed as (corrupted=false): ------------[ cut here ]------------ test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state) WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x18b/0x1c0 io_uring/sqpoll.c:88, CPU#1: kworker/u8:7/1001 Modules linked in: CPU: 1 UID: 0 PID: 1001 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 Workqueue: iou_exit io_ring_exit_work RIP: 0010:io_sq_thread_stop+0x18b/0x1c0 io_uring/sqpoll.c:88 Code: 48 c7 c2 80 c5 80 8c be 25 00 00 00 48 c7 c7 e0 c5 80 8c c6 05 16 e8 1f 0d 01 e8 50 a1 b6 fc e9 12 ff ff ff e8 16 27 dc fc 90 <0f> 0b 90 e9 c8 fe ff ff e8 08 27 dc fc 90 0f 0b 90 e9 3c ff ff ff RSP: 0018:ffffc90004c37a28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888038e7dc00 RCX: 0000000000000000 RDX: ffff888029b72580 RSI: ffffffff85323dca RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: ffff888038e7dd1f R11: 0000000000000000 R12: ffff888038e7dd18 R13: 0000000000000000 R14: ffff888033dae4e0 R15: ffff888038e7d7c0 FS: 0000000000000000(0000) GS:ffff88812257c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b363f5158 CR3: 000000000fd96000 CR4: 00000000003526f0 Call Trace: io_put_sq_data io_uring/sqpoll.c:105 [inline] io_put_sq_data+0xb0/0x100 io_uring/sqpoll.c:100 io_sq_thread_finish+0x252/0x320 io_uring/sqpoll.c:130 io_ring_ctx_free io_uring/io_uring.c:2322 [inline] io_ring_exit_work+0x40a/0x9f5 io_uring/io_uring.c:2658 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 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 ]------------ test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state) WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x18b/0x1c0 io_uring/sqpoll.c:88, CPU#1: kworker/u8:7/1001 Modules linked in: CPU: 1 UID: 0 PID: 1001 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 Workqueue: iou_exit io_ring_exit_work RIP: 0010:io_sq_thread_stop+0x18b/0x1c0 io_uring/sqpoll.c:88 Code: 48 c7 c2 80 c5 80 8c be 25 00 00 00 48 c7 c7 e0 c5 80 8c c6 05 16 e8 1f 0d 01 e8 50 a1 b6 fc e9 12 ff ff ff e8 16 27 dc fc 90 <0f> 0b 90 e9 c8 fe ff ff e8 08 27 dc fc 90 0f 0b 90 e9 3c ff ff ff RSP: 0018:ffffc90004c37a28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888038e7dc00 RCX: 0000000000000000 RDX: ffff888029b72580 RSI: ffffffff85323dca RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: ffff888038e7dd1f R11: 0000000000000000 R12: ffff888038e7dd18 R13: 0000000000000000 R14: ffff888033dae4e0 R15: ffff888038e7d7c0 FS: 0000000000000000(0000) GS:ffff88812257c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b363f5158 CR3: 000000000fd96000 CR4: 00000000003526f0 Call Trace: io_put_sq_data io_uring/sqpoll.c:105 [inline] io_put_sq_data+0xb0/0x100 io_uring/sqpoll.c:100 io_sq_thread_finish+0x252/0x320 io_uring/sqpoll.c:130 io_ring_ctx_free io_uring/io_uring.c:2322 [inline] io_ring_exit_work+0x40a/0x9f5 io_uring/io_uring.c:2658 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245