Extracting prog: 5m18.560789359s Minimizing prog: 22m31.989781223s Simplifying prog options: 5m59.756569549s Extracting C: 36.980386936s Simplifying C: 0s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) program did not crash single: failed to extract reproducer bisect: bisecting 24 programs with base timeout 30s testing program (duration=36s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [28, 25, 4, 20, 5, 17, 28, 6, 19, 7, 3, 7, 18, 12, 25, 5, 5, 5, 6, 19, 21, 1, 12, 25] detailed listing: executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r2, 0x40045532, &(0x7f0000000840)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_UNLINK(r4, 0x40044160, 0x3) write(r3, &(0x7f0000000280)="3c0000001b0005000000000000000000010100000c0001007664706173696d00100002007664706173696d5f6e6574000a0004007664706130000000", 0x3c) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040), 0x40000000040201, 0x0) r6 = syz_open_dev$sndpcmp(&(0x7f0000000200), 0x0, 0xa2c65) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000500)={0x0, 0xfffffffffffffd83, 0xfa00, {0x0, 0x0}}, 0xfdbc) ioctl$SNDRV_PCM_IOCTL_SW_PARAMS(r6, 0xc0884113, &(0x7f0000000380)={0x5, 0xffffe055, 0x6a, 0x10001, 0xffffffffffffffff, 0xffffdffffffffffd, 0x7, 0x0, 0x0, 0x10000009, 0xff7ffffb, 0x2}) r7 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f0000000840)={0x6, 0x2, 0x3000, 0x2000, &(0x7f0000003000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r7, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000180)=[@text16={0x10, 0x0}], 0x1, 0x18, 0x0, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x3) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f0000000380)="b8b36c000065f3f30f017e6c0f21f83503000e000f23f8c744240010000000c7442402ce010000c7442406000000000f011c24f0f616ea000000008a00dcb000800000c40dc271989900958000000000200066ed66baf80cb8442ee886ef66bafc0cb863000000efb948030000b84b5dbdd3ba62291f2f0f30c4c19d63f6", 0x7e}], 0x1, 0x17, 0x0, 0x0) ioctl$KVM_RUN(r8, 0xae80, 0x0) syz_clone3(&(0x7f00000002c0)={0x801400, &(0x7f0000000040), 0x0, 0x0, {0x19}, 0x0, 0x0, 0x0, 0x0}, 0x58) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r9 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/ipv6/conf/all/disable_ipv6\x00', 0x1, 0x0) write(r9, &(0x7f0000000400)='1', 0x1) socket$inet_mptcp(0x2, 0x1, 0x106) mprotect(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3000008) syz_usb_connect$sierra_net(0x0, 0x3f, &(0x7f0000000080)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0x1199, 0x68a3, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x0, 0x80, 0xfa, "", {{0x9, 0x4, 0x7, 0x0, 0x3, 0xff, 0x0, 0x0, 0x0, "", {{0x9, 0x5, 0x43978451d8f6fedb, 0x2, 0x40, 0xa, 0x1b, 0xfe}, {0x9, 0x5, 0x7, 0x2, 0x200, 0xc, 0x77, 0x3}, {0x9, 0x5, 0x2, 0x3, 0x20, 0x0, 0xfd, 0x32}}}}}}]}}, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/zoned\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\n', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/memory_backed\x00', 0x1, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000640)={0x0}, &(0x7f0000000680)=0xc) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000006c0)={0x0, 0x0}) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000780), 0x10000, 0x0) syz_clone3(&(0x7f00000007c0)={0x1000, &(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000500), {0x35}, &(0x7f0000000540)=""/49, 0x31, &(0x7f0000000580)=""/180, &(0x7f0000000740)=[r2, r3, 0xffffffffffffffff], 0x3, {r4}}, 0x58) write(r1, &(0x7f0000000240)='1', 0x1) r5 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r5, &(0x7f00000002c0)='1\n', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000340)='./dev\x00', 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x8000}, 0x8) r6 = socket$inet6_sctp(0xa, 0x801, 0x84) sendmmsg$inet6(r6, &(0x7f0000002d00)=[{{&(0x7f0000001080)={0xa, 0x4e22, 0x1, @private2, 0x10001}, 0x1c, &(0x7f00000010c0)=[{&(0x7f00000011c0)="e6", 0x1}], 0x1}}], 0x1, 0x0) shutdown(r6, 0x1) getsockopt$bt_hci(r6, 0x84, 0x7f, &(0x7f0000000080)=""/4057, &(0x7f0000001180)=0xfd9) r7 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./dev/nullb1\x00', 0x2, 0x0) pwrite64(r7, &(0x7f0000001000)="53464f5a05abbf5900"/851, 0x353, 0x0) close(r7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff) mount(&(0x7f0000000440)=@filename='./dev/nullb1\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0)='zonefs\x00', 0x0, 0x0) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./sys\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys/block/md0/md/level\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)="0661e9f69fa14a000f5847fb92a46435", 0x10) (fail_nth: 1) executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) shutdown(r0, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0), 0x80842, 0x0) ioctl$SNDCTL_DSP_SPEED(r1, 0xc0045002, &(0x7f0000000040)=0x1f40) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000000c0)=[@in6={0xa, 0x4e20, 0x0, @private2}]}, &(0x7f0000000180)=0x10) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = socket$inet(0xa, 0x801, 0x84) connect$inet(r3, &(0x7f0000004cc0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r3, 0x8) r4 = accept4(r3, 0x0, 0x0, 0x0) sendto$inet(r4, &(0x7f00000002c0)="cc", 0x1, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x1}, 0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000001400)={0x0, 0x0, 0x27a}, 0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f00000005c0)={0x0, 0x2, 0x7a}, 0x8) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_SERVICE(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x84, r5, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x50, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x81}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x636}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7f}, @IPVS_DEST_ATTR_TUN_TYPE={0x5}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@broadcast}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x2}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x8}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1c}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x101}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80000000}]}, 0x84}, 0x1, 0x0, 0x0, 0x48000}, 0x40) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x85, &(0x7f0000000000)={r6, @in={{0x2, 0x0, @empty}}, 0x27c0}, 0x90) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x85, &(0x7f0000000400)={r6, @in6={{0xa, 0x4e20, 0xffffffff, @private2, 0x7}}, 0x0, 0x9}, 0x90) mount(&(0x7f0000000140)=@nullb, &(0x7f0000000040)='./cgroup\x00', &(0x7f0000000100)='affs\x00', 0x200000, 0x0) executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000040)=0x3ff, 0x4) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffffffffffff}, 0x106, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_DESTROY_ID(0xffffffffffffffff, &(0x7f0000000100)={0x1, 0x10, 0xfa00, {&(0x7f0000000000), r1}}, 0x18) setsockopt$inet_int(r0, 0x0, 0x17, 0x0, 0x0) executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) socket$kcm(0xa, 0x2, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$IP_VS_SO_SET_ADD(r1, 0x0, 0x482, 0x0, 0x0) r2 = syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r3, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a4c000000090a010400000000000000000a0000040900010073797a310000000008000540000000020900020073797a310000000008000a40fffffffc080003400000001408000c4000000e45400000000c0a010100000000000000000a0000060900020073797a31000000000900010073797a310000000014000380100000800c00018006000100d103000014000000110001"], 0xb4}, 0x1, 0x0, 0x0, 0x4000850}, 0x40) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETSETELEM(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000d00)=ANY=[@ANYBLOB="400000000d0a010800000000000000000a0000010900020073797a31000000000900010073797a3100000000140003"], 0x40}, 0x1, 0x0, 0x0, 0x4000805}, 0xc080) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r2, 0xc1105511, &(0x7f0000000040)={0xb, 0x3, 0x8, 0xfff, 'syz1\x00', 0x53}) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r2, 0xc1105511, &(0x7f0000000040)) sendmsg$sock(r0, &(0x7f00000000c0)={&(0x7f0000000580)=@in6={0x2, 0x4e21, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x80, 0x0, 0x0, &(0x7f0000000000)=[@mark={{0x14, 0x1, 0x24, 0x3}}], 0x18}, 0x0) write(r0, &(0x7f0000000280)='0', 0x1) r5 = socket$kcm(0x29, 0x5, 0x0) openat$binderfs_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/binder-control\x00', 0x800, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r5, 0x89e2, 0x0) executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r2, 0x40045532, &(0x7f0000000840)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_UNLINK(r4, 0x40044160, 0x3) write(r3, &(0x7f0000000280)="3c0000001b0005000000000000000000010100000c0001007664706173696d00100002007664706173696d5f6e6574000a0004007664706130000000", 0x3c) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040), 0x40000000040201, 0x0) r6 = syz_open_dev$sndpcmp(&(0x7f0000000200), 0x0, 0xa2c65) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000500)={0x0, 0xfffffffffffffd83, 0xfa00, {0x0, 0x0}}, 0xfdbc) ioctl$SNDRV_PCM_IOCTL_SW_PARAMS(r6, 0xc0884113, &(0x7f0000000380)={0x5, 0xffffe055, 0x6a, 0x10001, 0xffffffffffffffff, 0xffffdffffffffffd, 0x7, 0x0, 0x0, 0x10000009, 0xff7ffffb, 0x2}) r7 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f0000000840)={0x6, 0x2, 0x3000, 0x2000, &(0x7f0000003000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r7, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000180)=[@text16={0x10, 0x0}], 0x1, 0x18, 0x0, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x3) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f0000000380)="b8b36c000065f3f30f017e6c0f21f83503000e000f23f8c744240010000000c7442402ce010000c7442406000000000f011c24f0f616ea000000008a00dcb000800000c40dc271989900958000000000200066ed66baf80cb8442ee886ef66bafc0cb863000000efb948030000b84b5dbdd3ba62291f2f0f30c4c19d63f6", 0x7e}], 0x1, 0x17, 0x0, 0x0) ioctl$KVM_RUN(r8, 0xae80, 0x0) syz_clone3(&(0x7f00000002c0)={0x801400, &(0x7f0000000040), 0x0, 0x0, {0x19}, 0x0, 0x0, 0x0, 0x0}, 0x58) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./proc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0) r9 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc/sys/net/ipv6/conf/all/disable_ipv6\x00', 0x1, 0x0) write(r9, &(0x7f0000000400)='1', 0x1) socket$inet_mptcp(0x2, 0x1, 0x106) mprotect(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3000008) syz_usb_connect$sierra_net(0x0, 0x3f, &(0x7f0000000080)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0x1199, 0x68a3, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x0, 0x80, 0xfa, "", {{0x9, 0x4, 0x7, 0x0, 0x3, 0xff, 0x0, 0x0, 0x0, "", {{0x9, 0x5, 0x43978451d8f6fedb, 0x2, 0x40, 0xa, 0x1b, 0xfe}, {0x9, 0x5, 0x7, 0x2, 0x200, 0xc, 0x77, 0x3}, {0x9, 0x5, 0x2, 0x3, 0x20, 0x0, 0xfd, 0x32}}}}}}]}}, 0x0) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ed) mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='wwnn=0x1111111111111111,wwpn=0x2222222222222222', 0x2f) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f0000000400)='wwnn=0x3333333333333333,wwpn=0x4444444444444444', 0x2f) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) write(r0, &(0x7f0000000380)='100000', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='1', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='0', 0x1) socket$inet6_mptcp(0xa, 0x1, 0x106) socket$igmp6(0xa, 0x3, 0x2) socket$packet(0x11, 0x2, 0x300) socket$nl_generic(0x10, 0x3, 0x10) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0) io_setup(0x2e, &(0x7f0000000100)) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x40, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file7\x00', 0x105042, 0x1ff) r3 = socket$alg(0x26, 0x5, 0x0) accept4(r3, 0x0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2) syz_clone(0x40000, 0x0, 0x0, 0x0, 0x0, 0x0) executing program 2: r0 = openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'lo\x00'}) r2 = syz_genetlink_get_family_id$nfc(&(0x7f0000000100), r1) ioctl$IOCTL_GET_NCIDEV_IDX(r0, 0x0, &(0x7f00000000c0)=0x0) sendmsg$NFC_CMD_DEV_UP(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000d80)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010426bd7000f8dbdf250200000008000100", @ANYRES32=r3], 0x1c}}, 0x4008054) write$nci(r0, &(0x7f0000000040)=ANY=[@ANYBLOB='P'], 0x14) executing program 0: r0 = syz_open_dev$cec(&(0x7f0000000200), 0xffffffffffffffff, 0x4ae60) setresuid(0x0, 0xee00, 0x0) ioctl$CEC_TRANSMIT(r0, 0xc0386105, &(0x7f0000000000)={0x8, 0xe3, 0x8, 0xd13e, 0x4, 0x2, "55c799fa9efa88afad769ab115199085", 0x2, 0xc, 0x4, 0xe2, 0x0, 0x4, 0x7}) executing program 1: r0 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000480), 0x0, 0x0) ioctl$IOMMU_IOAS_ALLOC(r0, 0x3b81, &(0x7f00000004c0)={0xc, 0x0, 0x0}) ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r0, 0x3ba0, &(0x7f0000000500)={0x48, 0x2, r1, 0x0, 0x0, 0x0, 0x0}) ioctl$IOMMU_HWPT_ALLOC$NONE(r0, 0x3b89, &(0x7f0000000580)={0x28, 0x1, r2, r1, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$IOMMU_HWPT_ALLOC$TEST(r0, 0x3b89, &(0x7f0000000100)={0x28, 0x2, r2, r1, 0x0, 0x0, 0xdead, 0x4, &(0x7f0000000080)}) ioctl(r0, 0x3b89, &(0x7f0000001000)="3000000004000000030000000600") ioctl$F2FS_IOC_COMMIT_ATOMIC_WRITE(r0, 0xf502, 0x0) executing program 0: syz_usb_connect(0x0, 0x0, 0x0, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e24}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f0000000000)=0x1, 0x4) openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) setsockopt$EBT_SO_SET_ENTRIES(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x175) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, 0x0, 0x1e8) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x7, 0x4008032, 0xffffffffffffffff, 0x0) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) bind$inet6(r1, &(0x7f00000002c0)={0xa, 0x4e23, 0x3, @loopback, 0xffff}, 0x1c) listen(r1, 0x5) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r2, &(0x7f0000847fff)='X', 0x34000, 0xe0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000480)=[{{&(0x7f0000000040)={0xa, 0x4e23, 0xb, @loopback, 0x1}, 0x1c, &(0x7f0000000380)=[{&(0x7f0000000140)='2', 0x1}], 0x1}}], 0x1, 0x41) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendmmsg$inet6(r3, &(0x7f0000000680)=[{{&(0x7f0000000340)={0xa, 0x4e23, 0xa1, @loopback, 0x8}, 0x1c, &(0x7f0000000500)=[{&(0x7f0000000900)='2', 0x1}], 0x1}}], 0x1, 0x804) accept(r1, 0x0, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x2d, &(0x7f0000000240)=0x40000009, 0x4) bind$inet6(r0, &(0x7f0000000040)={0xa, 0xe22, 0x0, @empty, 0x80002}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r1, 0x1, 0x7, &(0x7f0000000240)=0x9, 0x4) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x1ff) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040), 0x200002, 0x0) r3 = openat$cgroup_devices(r2, 0x0, 0x2, 0x0) read$alg(0xffffffffffffffff, &(0x7f0000000100)=""/173, 0xad) write$cgroup_devices(r3, &(0x7f0000000100)={'c', ' *:* ', 'r\x00'}, 0x8) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/zoned\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\n', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/memory_backed\x00', 0x1, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000640)={0x0}, &(0x7f0000000680)=0xc) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000006c0)={0x0, 0x0}) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000780), 0x10000, 0x0) syz_clone3(&(0x7f00000007c0)={0x1000, &(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000500), {0x35}, &(0x7f0000000540)=""/49, 0x31, &(0x7f0000000580)=""/180, &(0x7f0000000740)=[r2, r3, 0xffffffffffffffff], 0x3, {r4}}, 0x58) write(r1, &(0x7f0000000240)='1', 0x1) r5 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r5, &(0x7f00000002c0)='1\n', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000340)='./dev\x00', &(0x7f0000000380)='devtmpfs\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) r6 = socket$inet6_sctp(0xa, 0x801, 0x84) sendmmsg$inet6(r6, &(0x7f0000002d00)=[{{&(0x7f0000001080)={0xa, 0x4e22, 0x1, @private2, 0x10001}, 0x1c, &(0x7f00000010c0)=[{&(0x7f00000011c0)="e6", 0x1}], 0x1}}], 0x1, 0x0) shutdown(r6, 0x1) getsockopt$bt_hci(r6, 0x84, 0x7f, &(0x7f0000000080)=""/4057, &(0x7f0000001180)=0xfd9) r7 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./dev/nullb1\x00', 0x2, 0x0) pwrite64(r7, &(0x7f0000001000)="53464f5a05abbf5900"/851, 0x353, 0x0) close(r7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff) mount(&(0x7f0000000440)=@filename='./dev/nullb1\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0)='zonefs\x00', 0x0, 0x0) executing program 1: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0xc5]}, 0x8, 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000080)={'macsec0\x00', @broadcast}) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) executing program 3: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) executing program 1: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ed) mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='wwnn=0x1111111111111111,wwpn=0x2222222222222222', 0x2f) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f0000000400)='wwnn=0x3333333333333333,wwpn=0x4444444444444444', 0x2f) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) write(r0, &(0x7f0000000380)='100000', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) write(r1, &(0x7f0000000200)='1', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='0', 0x1) socket$inet6_mptcp(0xa, 0x1, 0x106) socket$igmp6(0xa, 0x3, 0x2) socket$packet(0x11, 0x2, 0x300) socket$nl_generic(0x10, 0x3, 0x10) mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0) io_setup(0x2e, &(0x7f0000000100)) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x40, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file7\x00', 0x105042, 0x1ff) socket$alg(0x26, 0x5, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/rcu_expedited', 0xa0302, 0x5e) sendfile(r3, r3, 0x0, 0x2) syz_clone(0x40000, 0x0, 0x0, 0x0, 0x0, 0x0) executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0), 0x185042, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000240), 0x47dfffc, 0x105381) ioctl$LOOP_CONFIGURE(r1, 0x4c0a, &(0x7f0000001ac0)={r0, 0x2000, {0x0, 0x0, 0x0, 0x0, 0x14a1fa, 0x0, 0x0, 0x17, 0x4, "339f020bbe82b398000001000000000000000d0ec0c1b4e9b1c4369d03740250ceaac594b1b3d741dd17c1c50d38ef2a565ef1e83323691c58d66500", "a9103939c787a16c1cac3f80026d1a8554fe581b59ded130e04d528539f3d3289737f0374c72a964a02447a75df8a69ea917deb7ba193b3e7772fd29f35239d2", "24431a1e77a68e174f050500000000e354b98ef0000000000000000000004000", [0x0, 0x3fd]}}) r2 = dup(r1) (async) r3 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x185202, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x13, r3, 0x0) (async) write$UHID_INPUT(r2, &(0x7f0000001c00)={0x8, {"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", 0x1000}}, 0xfffffe38) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_NL_MEDIA_GET(r4, &(0x7f0000000880)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000840)={&(0x7f00000008c0)={0x1ac, r5, 0x20, 0x70bd2d, 0x25dfdbfe, {}, [@TIPC_NLA_NET={0x54, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID={0xc}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x4}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x8}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x1ddfa}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x2}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x9}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0xfffffffc}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0xc}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1}]}, @TIPC_NLA_MEDIA={0x50, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x4}]}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x5}]}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x3}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}, @TIPC_NLA_LINK={0x78, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x9}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x10}]}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x34, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7a8b}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x9}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x6}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1d}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x200}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1ff}]}]}, @TIPC_NLA_MEDIA={0x7c, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x54, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfff}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xe}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x4}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x10}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x8001}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0xffffff7b}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x669}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xfffffffe}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x10}]}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x2}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfff}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1a9d}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}]}, 0x1ac}, 0x1, 0x0, 0x0, 0x4044000}, 0xd1) (async) sendmsg$TIPC_NL_MON_GET(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000002c0)={0x14, r5, 0xfa81c6d76d4f4e97, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x40000) (async) r6 = socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r7, 0xaf01, 0x0) (async) ioctl$VHOST_GET_VRING_BASE(r7, 0xc008af12, &(0x7f0000000040)) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r6) clock_gettime(0x358305538ae10dd1, 0x0) (async) sendmsg$ETHTOOL_MSG_DEBUG_SET(r6, &(0x7f0000001540)={0x0, 0x0, &(0x7f0000001500)={&(0x7f0000000500)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYBLOB="8d92b48fa04e37b4947d6b0cb440f24c9effdc4a6486bedf262d591291db5d7570ed1b20aaecd5e3e84d5bb85d04786756871eb64d54f7b10fd8448aec421eb7e1511b1ee6560d2d018098a4e68e28aa5073", @ANYRESOCT], 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x8090) (async) r8 = syz_init_net_socket$x25(0x9, 0x5, 0x0) accept4$x25(r8, 0x0, 0x0, 0x80800) (async) syz_usb_connect$uac3(0x0, 0x80, &(0x7f0000000600)={{0x12, 0x1, 0x300, 0x0, 0x0, 0x0, 0xc4a3b7db7ff9fad4, 0x1235, 0x8004, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x6e, 0x3, 0x1, 0x5, 0x10, 0x4, {0x8, 0xb, 0x2, 0x1, 0x1, 0x26, 0x30, 0xc0}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x30, 0x0, {{0xa, 0x24, 0x1, 0xf, 0xa, 0x9}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x10, 0xb1, 0x8, 0x0, {0xa, 0x25, 0x25, 0x1, 0x6}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x30, 0x0, {}, {{0x9, 0x5, 0x82, 0x9, 0x8, 0x6, 0xa, 0x4, {0xa, 0x25, 0x25, 0xe, 0x0, 0x4}}}}}}}}]}}, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x7, [{0x3c, &(0x7f0000000080)=@string={0x3c, 0x3, "84fe6f01d8fb8de92ef39d1cab80a036006cb3063ce080ac877ee8f565b688fd665dd48bdc091e051d770d7c1675b1db23b6254e650edf835b70"}}, {0x4, &(0x7f00000004c0)=@lang_id={0x4, 0x3, 0xc0c}}, {0xac, &(0x7f0000000280)=@string={0xac, 0x3, "9ce2ced42513b5c3cc54d62e819f32ef5ec8dfd89c8ce61777629e122899b81048ec4c2b68d2177b5d18acbd4083a511a82364ad521dd61614f6319b8ca7eaad051127bcefd42a426766200ca00ea7e0837494423af93109be77280dc64cc5b6b87ce708e5d18d22edc4d53e390191350be272a38f1ca51087e88bd61495945989d659989dd600773eac1b521146c3fa5c92004de1904f4be4265ce8e3c4da3d2093e3581d7cd01bcc54"}}, {0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0x423}}, {0x4, &(0x7f0000000380)=@lang_id={0x4, 0x3, 0x405}}, {0x68, &(0x7f0000000180)=@string={0x68, 0x3, "6c3fd9647fd1ba1f3ecebd2c4515e3007610a559aedd0cb4a51ec7c85f13e6c043a17b5be6c05514efc27719ff242db00b2daa99419485050e03499a9f033a871a5cb8b78471f05226ea8db6c29b62543da98a0bbfb44eb39aeeda8161925a687c38560bb79b"}}, {0x40, &(0x7f0000000400)=@string={0x40, 0x3, "d1e9ada87290ede234ae200f2d73504aaecb944077091d6a2c4bf1a7fd63170fa03d2ef1d7acaa65ad72c4e8b24fbb039a8bb331e1f79be2cb0948bef57f"}}]}) executing program 3: openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040), 0x101402, 0x0) (fail_nth: 1) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x2d, &(0x7f0000000240)=0x40000009, 0x4) bind$inet6(r0, &(0x7f0000000040)={0xa, 0xe22, 0x0, @empty, 0x80002}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r1, 0x1, 0x7, &(0x7f0000000240)=0x9, 0x4) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x1ff) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040), 0x200002, 0x0) r3 = openat$cgroup_devices(r2, 0x0, 0x2, 0x0) read$alg(0xffffffffffffffff, &(0x7f0000000100)=""/173, 0xad) write$cgroup_devices(r3, &(0x7f0000000100)={'c', ' *:* ', 'r\x00'}, 0x8) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nullb/nullb1/zoned\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\n', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1/memory_backed\x00', 0x1, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000640)={0x0}, &(0x7f0000000680)=0xc) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000006c0)={0x0, 0x0}) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000780), 0x10000, 0x0) syz_clone3(&(0x7f00000007c0)={0x1000, &(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000500), {0x35}, &(0x7f0000000540)=""/49, 0x31, &(0x7f0000000580)=""/180, &(0x7f0000000740)=[r2, r3, 0xffffffffffffffff], 0x3, {r4}}, 0x58) write(r1, &(0x7f0000000240)='1', 0x1) r5 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r5, &(0x7f00000002c0)='1\n', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000340)='./dev\x00', &(0x7f0000000380)='devtmpfs\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) r6 = socket$inet6_sctp(0xa, 0x801, 0x84) sendmmsg$inet6(r6, &(0x7f0000002d00)=[{{&(0x7f0000001080)={0xa, 0x4e22, 0x1, @private2, 0x10001}, 0x1c, &(0x7f00000010c0)=[{&(0x7f00000011c0)="e6", 0x1}], 0x1}}], 0x1, 0x0) shutdown(r6, 0x1) getsockopt$bt_hci(r6, 0x84, 0x7f, &(0x7f0000000080)=""/4057, &(0x7f0000001180)=0xfd9) r7 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./dev/nullb1\x00', 0x2, 0x0) pwrite64(r7, &(0x7f0000001000)="53464f5a05abbf5900"/851, 0x353, 0x0) close(r7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff) mount(&(0x7f0000000440)=@filename='./dev/nullb1\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0)='zonefs\x00', 0x0, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) program crashed: general protection fault in keyspan_break_ctl single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) ioctl$TCSBRKP(0xffffffffffffffff, 0x5425, 0x7) (fail_nth: 1) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) (fail_nth: 1) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: general protection fault in keyspan_break_ctl testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP program did not crash simplifying guilty program options testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: general protection fault in keyspan_break_ctl extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP program did not crash testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program did not crash testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: general protection fault in keyspan_break_ctl validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: general protection fault in keyspan_break_ctl validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-mkdirat-mount-openat-ioctl$TCSBRKP detailed listing: executing program 0: syz_usb_connect(0x5, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040cd06350100010000000109023c0001010080320904"], 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000500)='./dev\x00', &(0x7f0000000600)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x0, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x7) program crashed: general protection fault in keyspan_break_ctl validation run: crashed=true reproducing took 38m23.044231247s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] CPU: 0 UID: 0 PID: 5926 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 Code: d3 9c 81 fa 41 be 9c 00 00 00 4d 03 37 bf ff ff ff ff 89 ee e8 5e ae 11 fa 45 31 ff 83 fd ff 41 0f 94 c7 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 75 1d 45 89 3e 48 89 df 31 f6 e8 57 c3 00 00 RSP: 0018:ffffc900036f7e08 EFLAGS: 00010203 RAX: 0000000000000013 RBX: ffff88807b31a000 RCX: ffff888025a6ddc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: 0000000000000000 R08: ffffffff909ba87f R09: 1ffffffff213750f R10: dffffc0000000000 R11: ffffffff87b62cd0 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000000009c R15: 0000000000000000 FS: 0000555575cad500(0000) GS:ffff88812488a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdc93559c8 CR3: 000000006800c000 CR4: 00000000003526f0 Call Trace: send_break+0x222/0x300 drivers/tty/tty_io.c:2458 tty_ioctl+0xd0f/0xdd0 drivers/tty/tty_io.c:-1 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f02ac79e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdaf88eaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f02aca25fa0 RCX: 00007f02ac79e0d9 RDX: 0000000000000007 RSI: 0000000000005425 RDI: 0000000000000004 RBP: 00007f02ac835024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f02aca25fac R14: 00007f02aca25fa0 R15: 00007f02aca25fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 Code: d3 9c 81 fa 41 be 9c 00 00 00 4d 03 37 bf ff ff ff ff 89 ee e8 5e ae 11 fa 45 31 ff 83 fd ff 41 0f 94 c7 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 75 1d 45 89 3e 48 89 df 31 f6 e8 57 c3 00 00 RSP: 0018:ffffc900036f7e08 EFLAGS: 00010203 RAX: 0000000000000013 RBX: ffff88807b31a000 RCX: ffff888025a6ddc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: 0000000000000000 R08: ffffffff909ba87f R09: 1ffffffff213750f R10: dffffc0000000000 R11: ffffffff87b62cd0 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000000009c R15: 0000000000000000 FS: 0000555575cad500(0000) GS:ffff88812498a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556b32ca38 CR3: 000000006800c000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 9c pushf 1: 81 fa 41 be 9c 00 cmp $0x9cbe41,%edx 7: 00 00 add %al,(%rax) 9: 4d 03 37 add (%r15),%r14 c: bf ff ff ff ff mov $0xffffffff,%edi 11: 89 ee mov %ebp,%esi 13: e8 5e ae 11 fa call 0xfa11ae76 18: 45 31 ff xor %r15d,%r15d 1b: 83 fd ff cmp $0xffffffff,%ebp 1e: 41 0f 94 c7 sete %r15b 22: 4c 89 f0 mov %r14,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 75 1d jne 0x4f 32: 45 89 3e mov %r15d,(%r14) 35: 48 89 df mov %rbx,%rdi 38: 31 f6 xor %esi,%esi 3a: e8 57 c3 00 00 call 0xc396 final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] CPU: 0 UID: 0 PID: 5926 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 Code: d3 9c 81 fa 41 be 9c 00 00 00 4d 03 37 bf ff ff ff ff 89 ee e8 5e ae 11 fa 45 31 ff 83 fd ff 41 0f 94 c7 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 75 1d 45 89 3e 48 89 df 31 f6 e8 57 c3 00 00 RSP: 0018:ffffc900036f7e08 EFLAGS: 00010203 RAX: 0000000000000013 RBX: ffff88807b31a000 RCX: ffff888025a6ddc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: 0000000000000000 R08: ffffffff909ba87f R09: 1ffffffff213750f R10: dffffc0000000000 R11: ffffffff87b62cd0 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000000009c R15: 0000000000000000 FS: 0000555575cad500(0000) GS:ffff88812488a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdc93559c8 CR3: 000000006800c000 CR4: 00000000003526f0 Call Trace: send_break+0x222/0x300 drivers/tty/tty_io.c:2458 tty_ioctl+0xd0f/0xdd0 drivers/tty/tty_io.c:-1 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f02ac79e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdaf88eaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f02aca25fa0 RCX: 00007f02ac79e0d9 RDX: 0000000000000007 RSI: 0000000000005425 RDI: 0000000000000004 RBP: 00007f02ac835024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f02aca25fac R14: 00007f02aca25fa0 R15: 00007f02aca25fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 RIP: 0010:keyspan_break_ctl+0x83/0xc0 drivers/usb/serial/keyspan.c:-1 Code: d3 9c 81 fa 41 be 9c 00 00 00 4d 03 37 bf ff ff ff ff 89 ee e8 5e ae 11 fa 45 31 ff 83 fd ff 41 0f 94 c7 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 75 1d 45 89 3e 48 89 df 31 f6 e8 57 c3 00 00 RSP: 0018:ffffc900036f7e08 EFLAGS: 00010203 RAX: 0000000000000013 RBX: ffff88807b31a000 RCX: ffff888025a6ddc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: 0000000000000000 R08: ffffffff909ba87f R09: 1ffffffff213750f R10: dffffc0000000000 R11: ffffffff87b62cd0 R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000000009c R15: 0000000000000000 FS: 0000555575cad500(0000) GS:ffff88812498a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556b32ca38 CR3: 000000006800c000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 9c pushf 1: 81 fa 41 be 9c 00 cmp $0x9cbe41,%edx 7: 00 00 add %al,(%rax) 9: 4d 03 37 add (%r15),%r14 c: bf ff ff ff ff mov $0xffffffff,%edi 11: 89 ee mov %ebp,%esi 13: e8 5e ae 11 fa call 0xfa11ae76 18: 45 31 ff xor %r15d,%r15d 1b: 83 fd ff cmp $0xffffffff,%ebp 1e: 41 0f 94 c7 sete %r15b 22: 4c 89 f0 mov %r14,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 75 1d jne 0x4f 32: 45 89 3e mov %r15d,(%r14) 35: 48 89 df mov %rbx,%rdi 38: 31 f6 xor %esi,%esi 3a: e8 57 c3 00 00 call 0xc396