Extracting prog: 14m22.918693529s Minimizing prog: 3h31m49.74997662s Simplifying prog options: 0s Extracting C: 3m17.005005659s Simplifying C: 1h23m31.491214392s extracting reproducer from 2 programs testing a last program of every proc single: executing 2 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-ioctl$DRM_IOCTL_SET_CLIENT_CAP-syz_usb_control_io$printer-syz_open_dev$admmidi detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0) program did not crash 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}}): syz_emit_ethernet-socketpair$unix-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE_RINGBUF-iopl-fgetxattr-socket$nl_netfilter-bpf$MAP_CREATE-socket$inet6-socket$inet6_tcp-ioctl$EVIOCGBITSND-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-socket$inet_smc-setsockopt$inet_tcp_TCP_REPAIR-connect$inet-setsockopt$SO_TIMESTAMPING-listen-accept4-syz_emit_vhci-setsockopt$inet6_mreq detailed listing: executing program 0: syz_emit_ethernet(0x1af, &(0x7f0000000000)={@local, @random="467b5543f090", @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x179, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, [{0x0, 0x1, "000000050000"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x13, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0dea07c9a1f643c822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5cf390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ec"}]}}}}}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x7, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x6) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x48) iopl(0x3) fgetxattr(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x5, 0x4, 0x8, 0xb, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = socket$inet6(0xa, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x40044583, 0x0) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r4, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4, 0x1}, 0xe) r5 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f0000000000)=0x1, 0xfef2) connect$inet(r5, &(0x7f0000000080)={0x2, 0x0, @dev}, 0x10) setsockopt$SO_TIMESTAMPING(r5, 0x1, 0x9, &(0x7f0000000040), 0x4) listen(r4, 0x3) accept4(r4, &(0x7f0000000140)=@generic, &(0x7f0000000040)=0x80, 0x800) syz_emit_vhci(&(0x7f0000000100)=ANY=[@ANYBLOB="043e130100c90001"], 0x16) setsockopt$inet6_mreq(r3, 0x29, 0x1b, &(0x7f0000000000)={@remote}, 0x14) program did not crash single: failed to extract reproducer bisect: bisecting 2 programs with base 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}}): [30, 14] detailed listing: executing program 4: syz_emit_ethernet(0x1af, &(0x7f0000000000)={@local, @random="467b5543f090", @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x179, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, [{0x0, 0x1, "000000050000"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x13, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0dea07c9a1f643c822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5cf390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ec"}]}}}}}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x7, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x6) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x48) iopl(0x3) fgetxattr(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x5, 0x4, 0x8, 0xb, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = socket$inet6(0xa, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x40044583, 0x0) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r4, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4, 0x1}, 0xe) r5 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f0000000000)=0x1, 0xfef2) connect$inet(r5, &(0x7f0000000080)={0x2, 0x0, @dev}, 0x10) setsockopt$SO_TIMESTAMPING(r5, 0x1, 0x9, &(0x7f0000000040), 0x4) listen(r4, 0x3) accept4(r4, &(0x7f0000000140)=@generic, &(0x7f0000000040)=0x80, 0x800) syz_emit_vhci(&(0x7f0000000100)=ANY=[@ANYBLOB="043e130100c90001"], 0x16) setsockopt$inet6_mreq(r3, 0x29, 0x1b, &(0x7f0000000000)={@remote}, 0x14) executing program 2: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 2 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-ioctl$DRM_IOCTL_SET_CLIENT_CAP-syz_usb_control_io$printer-syz_open_dev$admmidi detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0) program did not crash testing program (duration=1m40s, {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}}): syz_emit_ethernet-socketpair$unix-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE_RINGBUF-iopl-fgetxattr-socket$nl_netfilter-bpf$MAP_CREATE-socket$inet6-socket$inet6_tcp-ioctl$EVIOCGBITSND-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-socket$inet_smc-setsockopt$inet_tcp_TCP_REPAIR-connect$inet-setsockopt$SO_TIMESTAMPING-listen-accept4-syz_emit_vhci-setsockopt$inet6_mreq detailed listing: executing program 0: syz_emit_ethernet(0x1af, &(0x7f0000000000)={@local, @random="467b5543f090", @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x179, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, [{0x0, 0x1, "000000050000"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x13, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0dea07c9a1f643c822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5cf390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ec"}]}}}}}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x7, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x6) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x48) iopl(0x3) fgetxattr(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x5, 0x4, 0x8, 0xb, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = socket$inet6(0xa, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x40044583, 0x0) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r4, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4, 0x1}, 0xe) r5 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f0000000000)=0x1, 0xfef2) connect$inet(r5, &(0x7f0000000080)={0x2, 0x0, @dev}, 0x10) setsockopt$SO_TIMESTAMPING(r5, 0x1, 0x9, &(0x7f0000000040), 0x4) listen(r4, 0x3) accept4(r4, &(0x7f0000000140)=@generic, &(0x7f0000000040)=0x80, 0x800) syz_emit_vhci(&(0x7f0000000100)=ANY=[@ANYBLOB="043e130100c90001"], 0x16) setsockopt$inet6_mreq(r3, 0x29, 0x1b, &(0x7f0000000000)={@remote}, 0x14) program did not crash single: failed to extract reproducer bisect: bisecting 2 programs with base timeout 1m40s testing program (duration=1m40s, {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}}): [30, 14] detailed listing: executing program 4: syz_emit_ethernet(0x1af, &(0x7f0000000000)={@local, @random="467b5543f090", @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x179, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, [{0x0, 0x1, "000000050000"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x13, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0dea07c9a1f643c822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5cf390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ec"}]}}}}}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x7, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x6) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x48) iopl(0x3) fgetxattr(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x5, 0x4, 0x8, 0xb, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = socket$inet6(0xa, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x40044583, 0x0) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r4, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4, 0x1}, 0xe) r5 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r5, 0x6, 0x13, &(0x7f0000000000)=0x1, 0xfef2) connect$inet(r5, &(0x7f0000000080)={0x2, 0x0, @dev}, 0x10) setsockopt$SO_TIMESTAMPING(r5, 0x1, 0x9, &(0x7f0000000040), 0x4) listen(r4, 0x3) accept4(r4, &(0x7f0000000140)=@generic, &(0x7f0000000040)=0x80, 0x800) syz_emit_vhci(&(0x7f0000000100)=ANY=[@ANYBLOB="043e130100c90001"], 0x16) setsockopt$inet6_mreq(r3, 0x29, 0x1b, &(0x7f0000000000)={@remote}, 0x14) executing program 2: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 2 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}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-ioctl$DRM_IOCTL_SET_CLIENT_CAP-syz_usb_control_io$printer-syz_open_dev$admmidi detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0) program crashed: KASAN: slab-use-after-free Read in v4l2_release single: successfully extracted reproducer found reproducer with 14 syscalls minimizing guilty program testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-ioctl$DRM_IOCTL_SET_CLIENT_CAP-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in v4l2_release testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-ioctl$DRM_IOCTL_SET_CLIENT_CAP detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in v4l2_release testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-capset-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-syz_usb_control_io-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-sendmsg$nl_generic-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000002a00090000000000000000000400002c08000c8002"], 0x1c}, 0x1, 0x0, 0x0, 0x4000840}, 0x0) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-socket$nl_generic-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Write in put_device testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in v4l2_release testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-socket-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) socket(0x23, 0x5, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(0xffffffffffffffff, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-connect$l2tp6-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) connect$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0xa}, 0x20) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Write in put_device testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {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}}): syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, 0x0, 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: KASAN: slab-use-after-free Read in v4l2_open testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(0x0, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, 0x0) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, 0x0, 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, &(0x7f0000000180)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) program did not crash testing program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer detailed listing: executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaafffffffffdff86dd6016000000182b00fc01000000000000000000000000000000000000aa870000000000000000000000001090780200140000000000"], 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socket(0x23, 0x5, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000f2d07c40501d89601dd0000000010902120001000000000904"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x44, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000280)) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000300)={0x34, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: KASAN: slab-use-after-free Read in v4l2_release simplifying C reproducer testing compiled C program (duration=8m14.420337127s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: KASAN: slab-use-after-free Read in v4l2_ioctl a never seen crash title: KASAN: slab-use-after-free Read in v4l2_ioctl, ignore testing compiled C program (duration=8m14.420337127s, {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:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=8m14.420337127s, {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:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$vnet-syz_emit_ethernet-socketpair$nbd-socket-syz_usb_connect-syz_usb_control_io-capset-openat$tcp_congestion-syz_usb_control_io$printer program crashed: no output from test machine a never seen crash title: no output from test machine, ignore reproducing took 5h13m1.164912057s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in v4l2_release+0x3e2/0x460 drivers/media/v4l2-core/v4l2-dev.c:453 Read of size 8 at addr ffff8880502e80c8 by task v4l_id/7854 CPU: 1 UID: 0 PID: 7854 Comm: v4l_id Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 v4l2_release+0x3e2/0x460 drivers/media/v4l2-core/v4l2-dev.c:453 __fput+0x3f6/0xb60 fs/file_table.c:431 __fput_sync+0x45/0x50 fs/file_table.c:516 __do_sys_close fs/open.c:1567 [inline] __se_sys_close fs/open.c:1552 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1552 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb945b170a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffce37bdcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007fb945ecdce0 RCX: 00007fb945b170a8 RDX: 0000000000000001 RSI: 000055f495dc60e7 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000006 R09: 0000000000000000 R10: 000055f495dc60e1 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce37bdef0 R14: 000055f495dbf670 R15: 00007fb945fb3a80 Allocated by task 6058: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] hackrf_probe+0xd1/0x1cf0 drivers/media/usb/hackrf/hackrf.c:1353 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 6058: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x14f/0x4b0 mm/slub.c:4727 hackrf_probe+0x4c9/0x1cf0 drivers/media/usb/hackrf/hackrf.c:1525 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff8880502e8000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 200 bytes inside of freed 8192-byte region [ffff8880502e8000, ffff8880502ea000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x502e8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801b042280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801b042280 dead000000000100 dead000000000122 head: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea000140ba01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5204, tgid 5204 (S10udev), ts 13144656310, free_ts 10453105280 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265 alloc_slab_page mm/slub.c:2412 [inline] allocate_slab mm/slub.c:2578 [inline] new_slab+0x2c9/0x410 mm/slub.c:2631 ___slab_alloc+0xdac/0x1880 mm/slub.c:3818 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] __kmalloc_cache_noprof+0x2b4/0x300 mm/slub.c:4290 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0xcb3/0x2170 security/tomoyo/audit.c:264 tomoyo_supervisor+0x30c/0xea0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x193/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0xe8e/0x2070 security/tomoyo/domain.c:881 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:102 [inline] tomoyo_bprm_check_security+0x12b/0x1d0 security/tomoyo/tomoyo.c:92 security_bprm_check+0x1b9/0x1e0 security/security.c:1297 search_binary_handler fs/exec.c:1740 [inline] exec_binprm fs/exec.c:1794 [inline] bprm_execve fs/exec.c:1845 [inline] bprm_execve+0x642/0x1960 fs/exec.c:1821 do_execveat_common.isra.0+0x4f1/0x630 fs/exec.c:1952 page last free pid 1 tgid 1 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0x661/0x1080 mm/page_alloc.c:2657 free_contig_range+0x133/0x3f0 mm/page_alloc.c:6765 destroy_args+0xa87/0xe60 mm/debug_vm_pgtable.c:1017 debug_vm_pgtable+0x168e/0x31a0 mm/debug_vm_pgtable.c:1397 do_one_initcall+0x128/0x700 init/main.c:1269 do_initcall_level init/main.c:1331 [inline] do_initcalls init/main.c:1347 [inline] do_basic_setup init/main.c:1366 [inline] kernel_init_freeable+0x5c7/0x900 init/main.c:1580 kernel_init+0x1c/0x2b0 init/main.c:1469 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff8880502e7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880502e8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880502e8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880502e8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880502e8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in v4l2_release+0x3e2/0x460 drivers/media/v4l2-core/v4l2-dev.c:453 Read of size 8 at addr ffff8880502e80c8 by task v4l_id/7854 CPU: 1 UID: 0 PID: 7854 Comm: v4l_id Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 v4l2_release+0x3e2/0x460 drivers/media/v4l2-core/v4l2-dev.c:453 __fput+0x3f6/0xb60 fs/file_table.c:431 __fput_sync+0x45/0x50 fs/file_table.c:516 __do_sys_close fs/open.c:1567 [inline] __se_sys_close fs/open.c:1552 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1552 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb945b170a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffce37bdcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007fb945ecdce0 RCX: 00007fb945b170a8 RDX: 0000000000000001 RSI: 000055f495dc60e7 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000006 R09: 0000000000000000 R10: 000055f495dc60e1 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce37bdef0 R14: 000055f495dbf670 R15: 00007fb945fb3a80 Allocated by task 6058: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] hackrf_probe+0xd1/0x1cf0 drivers/media/usb/hackrf/hackrf.c:1353 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 6058: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x14f/0x4b0 mm/slub.c:4727 hackrf_probe+0x4c9/0x1cf0 drivers/media/usb/hackrf/hackrf.c:1525 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff8880502e8000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 200 bytes inside of freed 8192-byte region [ffff8880502e8000, ffff8880502ea000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x502e8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801b042280 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801b042280 dead000000000100 dead000000000122 head: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea000140ba01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5204, tgid 5204 (S10udev), ts 13144656310, free_ts 10453105280 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265 alloc_slab_page mm/slub.c:2412 [inline] allocate_slab mm/slub.c:2578 [inline] new_slab+0x2c9/0x410 mm/slub.c:2631 ___slab_alloc+0xdac/0x1880 mm/slub.c:3818 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3908 __slab_alloc_node mm/slub.c:3961 [inline] slab_alloc_node mm/slub.c:4122 [inline] __kmalloc_cache_noprof+0x2b4/0x300 mm/slub.c:4290 kmalloc_noprof include/linux/slab.h:878 [inline] kzalloc_noprof include/linux/slab.h:1014 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0xcb3/0x2170 security/tomoyo/audit.c:264 tomoyo_supervisor+0x30c/0xea0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x193/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0xe8e/0x2070 security/tomoyo/domain.c:881 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:102 [inline] tomoyo_bprm_check_security+0x12b/0x1d0 security/tomoyo/tomoyo.c:92 security_bprm_check+0x1b9/0x1e0 security/security.c:1297 search_binary_handler fs/exec.c:1740 [inline] exec_binprm fs/exec.c:1794 [inline] bprm_execve fs/exec.c:1845 [inline] bprm_execve+0x642/0x1960 fs/exec.c:1821 do_execveat_common.isra.0+0x4f1/0x630 fs/exec.c:1952 page last free pid 1 tgid 1 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0x661/0x1080 mm/page_alloc.c:2657 free_contig_range+0x133/0x3f0 mm/page_alloc.c:6765 destroy_args+0xa87/0xe60 mm/debug_vm_pgtable.c:1017 debug_vm_pgtable+0x168e/0x31a0 mm/debug_vm_pgtable.c:1397 do_one_initcall+0x128/0x700 init/main.c:1269 do_initcall_level init/main.c:1331 [inline] do_initcalls init/main.c:1347 [inline] do_basic_setup init/main.c:1366 [inline] kernel_init_freeable+0x5c7/0x900 init/main.c:1580 kernel_init+0x1c/0x2b0 init/main.c:1469 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff8880502e7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880502e8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880502e8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880502e8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880502e8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================