[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.029571][ T26] audit: type=1800 audit(1574747337.890:25): pid=7979 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.064791][ T26] audit: type=1800 audit(1574747337.900:26): pid=7979 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.106691][ T26] audit: type=1800 audit(1574747337.900:27): pid=7979 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. 2019/11/26 05:49:09 fuzzer started 2019/11/26 05:49:11 dialing manager at 10.128.0.26:34299 2019/11/26 05:49:11 syscalls: 2566 2019/11/26 05:49:11 code coverage: enabled 2019/11/26 05:49:11 comparison tracing: enabled 2019/11/26 05:49:11 extra coverage: extra coverage is not supported by the kernel 2019/11/26 05:49:11 setuid sandbox: enabled 2019/11/26 05:49:11 namespace sandbox: enabled 2019/11/26 05:49:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/26 05:49:11 fault injection: enabled 2019/11/26 05:49:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/26 05:49:11 net packet injection: enabled 2019/11/26 05:49:11 net device setup: enabled 2019/11/26 05:49:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/26 05:49:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:51:23 executing program 0: r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) r1 = syz_open_dev$vbi(&(0x7f0000000000)='/dev/vbi#\x00', 0x3, 0x2) ioctl$KVM_HYPERV_EVENTFD(r0, 0x4018aebd, &(0x7f0000000040)={0x3, r1, 0x1}) r2 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20ncci\x00', 0x80000, 0x0) write$9p(r2, &(0x7f00000000c0)="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", 0x1000) r3 = syz_open_dev$media(&(0x7f0000001140)='/dev/media#\x00', 0x0, 0x200000) ioctl$NS_GET_OWNER_UID(r2, 0xb704, &(0x7f0000001180)=0x0) stat(&(0x7f00000011c0)='./file0\x00', &(0x7f0000001200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getresuid(&(0x7f0000001280)=0x0, &(0x7f00000012c0), &(0x7f0000001300)) mount$fuse(0x0, &(0x7f00000010c0)='./file0\x00', &(0x7f0000001100)='fuse\x00', 0x80000, &(0x7f0000001340)={{'fd', 0x3d, r3}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, r4}, 0x2c, {'group_id', 0x3d, r5}, 0x2c, {[{@blksize={'blksize', 0x3d, 0x800}}, {@blksize={'blksize', 0x3d, 0x200}}, {@blksize={'blksize', 0x3d, 0x1800}}], [{@obj_type={'obj_type', 0x3d, '/proc/capi/capi20ncci\x00'}}, {@measure='measure'}, {@pcr={'pcr', 0x3d, 0x40}}, {@euid_gt={'euid>', r6}}, {@seclabel='seclabel'}]}}) r7 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) accept4$bt_l2cap(r7, &(0x7f0000001480), &(0x7f00000014c0)=0xe, 0x100000) r8 = syz_open_dev$dmmidi(&(0x7f0000001500)='/dev/dmmidi#\x00', 0x0, 0x1) ioctl$LOOP_SET_STATUS64(r8, 0x4c04, &(0x7f0000001540)={0x0, 0x0, 0x0, 0xc800000000000000, 0x7fffffff, 0x0, 0xf, 0x11, 0xc, "435b18f63da01ec9bddb9a8944f80154ef9340f18eff6933eaa4f442d17f65b42bd0cb5702187c1853b2886ba6a46dcbad7b16d461ba454bb3a18eb206336737", "b021c19f7aa4202a4537727ebc96847f0e03bfa0e8466214daa431cfe8f7876fb03c392617bd910aa6eaa14222674a7f86e4e02418b4007c232d7f871580db2c", "6c9e8bdec45071fab8b3e8363e165544c7897aac129fb350a90b045726e6b4db", [0x101, 0x2]}) r9 = syz_open_dev$cec(&(0x7f0000001640)='/dev/cec#\x00', 0x3, 0x2) ioctl$BLKIOOPT(r9, 0x1279, &(0x7f0000001680)) r10 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000016c0)='/dev/qat_adf_ctl\x00', 0x80000, 0x0) ioctl$BLKROTATIONAL(r10, 0x127e, &(0x7f0000001700)) socket$bt_rfcomm(0x1f, 0x3, 0x3) r11 = openat(0xffffffffffffffff, &(0x7f0000001740)='./file0\x00', 0x501, 0x28) r12 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000001780)='cpuacct.usage_percpu\x00', 0x0, 0x0) ioctl$VIDIOC_DQBUF(r11, 0xc0585611, &(0x7f00000017c0)={0x0, 0x0, 0x4, 0x40000, {}, {0x3, 0xe, 0x12, 0x6, 0x9, 0xff, "1cc83bff"}, 0x100, 0x3, @fd=r12, 0x4}) getsockname$inet(r12, &(0x7f0000001840)={0x2, 0x0, @multicast2}, &(0x7f0000001880)=0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000018c0)={r9}) r14 = syz_genetlink_get_family_id$tipc2(&(0x7f0000001940)='TIPCv2\x00') sendmsg$TIPC_NL_BEARER_DISABLE(r13, &(0x7f0000001a40)={&(0x7f0000001900)={0x10, 0x0, 0x0, 0x200c00}, 0xc, &(0x7f0000001a00)={&(0x7f0000001980)={0x78, r14, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@TIPC_NLA_MEDIA={0x24, 0x5, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}, @TIPC_NLA_NODE={0x34, 0x6, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x636}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x3}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x5}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0xbba}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x3}]}, @TIPC_NLA_MON={0xc, 0x9, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x1cd}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x80}, 0x4000) ioctl$EVIOCRMFF(0xffffffffffffffff, 0x40044581, &(0x7f0000001a80)=0x6) r15 = open(&(0x7f0000001ac0)='./file0\x00', 0x400, 0x4) setsockopt$CAN_RAW_LOOPBACK(r15, 0x65, 0x3, &(0x7f0000001b00)=0x1, 0x4) setxattr(&(0x7f0000001b40)='./file0\x00', &(0x7f0000001b80)=@random={'osx.', 'posix_acl_accessem0]$system\x00'}, &(0x7f0000001bc0)='ppp1[(@em0eth0procsecurity\x00', 0x1b, 0xc0c6516a35e4487b) 05:51:23 executing program 1: r0 = accept4$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000040)=0x14, 0x0) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000080)=0x1) r1 = socket$rxrpc(0x21, 0x2, 0x2) ioctl$sock_SIOCSIFBR(r1, 0x8941, &(0x7f0000000100)=@add_del={0x2, &(0x7f00000000c0)='eql\x00'}) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000180)={0x0, 0x10001}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000200)={r3, 0x3}, 0x8) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000280)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_GET(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1001000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x64, r4, 0x10, 0x70bd26, 0x25dfdbfd, {}, [{{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}}, {{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x2}}}]}, 0x64}, 0x1, 0x0, 0x0, 0x840}, 0x48890) sendmmsg$sock(r0, &(0x7f0000000740)=[{{&(0x7f00000003c0)=@l2={0x1f, 0x7676, {0x2, 0x0, 0x2, 0x40, 0x39, 0x6e}, 0x7fff, 0x3}, 0x80, &(0x7f0000000640)=[{&(0x7f0000000440)="88b5af54fe596361e19e5ee533dd148eaa69819dc935d51dc75e6f3dbcd9df098d8841ef8eb4193bb77742547fa8763e4f00f02a4adfc174d8f25b087112a96b278d8bde2f23e195a6b38f9d0e3307e774aa5388a95e3216a014d626436001ae4a76f7ced09256df1923634351aa8c975b92bfcf8432004a3b6582e8b033c41f30134249fbaa15a9887f778249e4e570545ca214d12ec7c2760454342590386e7ecf2a8130f1add9d3bca810c624a4db7cb5a67b9925e6f5790a9ca2197d9fc3025c7cbb75671d2c09c850cf6076f0d4927ee885d667d10f7339ef545390631095b7560d02e3fba080388e5ebe55c9f215ec924f205051ca", 0xf8}, {&(0x7f0000000540)="178fe89152f66b2e2acca58b4642e43fb7575e458ee07cccba235a8a544134e96a30f8f981e086a7b6a9685a4b35bde4fb270a953d860916bd51d133ec6cfd1be5134203f3bf8a20063d6524b382a45f2f7ae832cf5176a236f3a4832d1a9aa9d60c0a30174f1f2875353636f45b10975cb11b56ce030f0d4b39fe92f7e1eb0b17fe3c84f44fd543d114e5e7b5578440fa82b448c88ad3fd1bc24a784a08e51e2f0041bf5ef491d2859b066367526abb41dba0814d322a4fb7ebfa230012c79a9360103f71f96eba90fd29664d", 0xcd}], 0x2, &(0x7f0000000680)=[@timestamping={{0x14, 0x1, 0x25, 0x7}}, @txtime={{0x18, 0x1, 0x3d, 0x9}}, @timestamping={{0x14, 0x1, 0x25, 0x1ecc}}, @mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0x5a}}, @txtime={{0x18, 0x1, 0x3d, 0xd4}}], 0x90}}], 0x1, 0x34048004) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000780)='/dev/vcs\x00', 0x200000, 0x0) recvmsg$can_bcm(r5, &(0x7f0000001e80)={0x0, 0x0, &(0x7f0000001d40)=[{&(0x7f00000007c0)=""/219, 0xdb}, {&(0x7f00000008c0)=""/206, 0xce}, {&(0x7f00000009c0)=""/4096, 0x1000}, {&(0x7f00000019c0)=""/26, 0x1a}, {&(0x7f0000001a00)=""/204, 0xcc}, {&(0x7f0000001b00)=""/205, 0xcd}, {&(0x7f0000001c00)=""/188, 0xbc}, {&(0x7f0000001cc0)=""/73, 0x49}], 0x8, &(0x7f0000001dc0)=""/176, 0xb0}, 0x2) r6 = openat$autofs(0xffffffffffffff9c, &(0x7f0000001ec0)='/dev/autofs\x00', 0x200944, 0x0) ioctl$TCXONC(r6, 0x540a, 0x6) r7 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000001f00)='/dev/hwrng\x00', 0x149800, 0x0) setsockopt$inet_tcp_buf(r7, 0x6, 0x5, &(0x7f0000001f40)="3ea4e01efe98832c620829330947197be4cd1d037b2991ffa1dc4fccc42af9204941d93d23760bec3eeda89a", 0x2c) r8 = syz_open_dev$amidi(&(0x7f0000001f80)='/dev/amidi#\x00', 0x401, 0x141042) pipe(&(0x7f0000001fc0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TCFLSH(r10, 0x540b, 0x100000001) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r2, 0x6612) r11 = openat$dsp(0xffffffffffffff9c, &(0x7f0000002000)='/dev/dsp\x00', 0x10000, 0x0) r12 = dup3(0xffffffffffffffff, r8, 0x80000) pipe(&(0x7f0000002040)={0xffffffffffffffff}) r14 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000002080)='/dev/vga_arbiter\x00', 0x20000, 0x0) r15 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000020c0)='/proc/capi/capi20ncci\x00', 0x64852fce316d9feb, 0x0) r16 = syz_open_dev$dmmidi(&(0x7f0000002100)='/dev/dmmidi#\x00', 0x4, 0x400000) r17 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000002140)='/proc/capi/capi20ncci\x00', 0x2a000, 0x0) ioctl$UDMABUF_CREATE_LIST(r9, 0x40087543, &(0x7f0000002180)={0x1, 0x8, [{r7, 0x0, 0xfffff000, 0x45d8c34dbc308d64}, {r11, 0x0, 0x1000000002000, 0x1000}, {r12, 0x0, 0x8000, 0xc3e2bac487b999b2}, {r13, 0x0, 0x1000, 0xfffffffffffff000}, {r14, 0x0, 0x1000000004000, 0xfffffffff0000000}, {r15, 0x0, 0x0, 0x4000}, {r16, 0x0, 0x0, 0x1000000}, {r17, 0x0, 0xfffffffff0000000, 0xfffffffff0000000}]}) setsockopt$inet6_tcp_TCP_QUEUE_SEQ(r9, 0x6, 0x15, &(0x7f0000002280)=0x1, 0x4) pipe2(&(0x7f00000022c0)={0xffffffffffffffff}, 0x800) ioctl$VIDIOC_S_FREQUENCY(r18, 0x402c5639, &(0x7f0000002300)={0x0, 0x4, 0x8001}) syzkaller login: [ 190.010179][ T8148] IPVS: ftp: loaded support on port[0] = 21 [ 190.097416][ T8150] IPVS: ftp: loaded support on port[0] = 21 05:51:24 executing program 2: prctl$PR_SET_TIMERSLACK(0x1d, 0x24ecc0000000000) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)={0x0, 0x0}) waitid(0x0, r0, &(0x7f0000000080), 0x2, &(0x7f0000000100)) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/audio\x00', 0x400480, 0x0) getsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f0000000200)=0x2bc, &(0x7f0000000240)=0x4) pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PPPIOCSPASS(r3, 0x40107447, &(0x7f0000000340)={0xa, &(0x7f00000002c0)=[{0x2, 0xf8, 0x7}, {0x5e07, 0x1, 0x40, 0x9}, {0x0, 0x6, 0x2}, {0x2, 0x9, 0x3, 0x7}, {0x0, 0x40, 0x2, 0x8}, {0x5, 0x9, 0x4}, {0xfff, 0x1, 0x8}, {0x6, 0x1, 0x81, 0x2}, {0x79, 0x96, 0x0, 0x4}, {0xc242, 0x81, 0x2b, 0x4}]}) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r3, 0xc08c5332, &(0x7f0000000380)={0x7ff, 0xffffff51, 0x1, 'queue1\x00', 0xcaf7}) r4 = syz_open_dev$vcsa(&(0x7f0000000440)='/dev/vcsa#\x00', 0x2, 0x20080) ioctl$KVM_ASSIGN_PCI_DEVICE(r4, 0x8040ae69, &(0x7f0000000480)={0x5, 0x9, 0x1, 0x36b98f3f620211e0, 0x3}) r5 = syz_open_dev$amidi(&(0x7f00000004c0)='/dev/amidi#\x00', 0x2c, 0x5b037027abba9580) ioctl$KVM_ASSIGN_DEV_IRQ(r5, 0x4040ae70, &(0x7f0000000500)={0x8, 0x7, 0x8, 0x106}) r6 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000540)='/dev/vga_arbiter\x00', 0x3a0f69e366a0203b, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000580)='TIPCv2\x00') eventfd(0x0) getsockopt$inet_sctp_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f00000005c0)={0x0, 0x101}, &(0x7f0000000600)=0x8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000640)={r7, 0x800, 0x1f, 0x1, 0x57}, &(0x7f0000000680)=0x14) ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f0000001a00)={0x7, 0x0, [{0x0, 0xc1, &(0x7f00000006c0)=""/193}, {0x4000, 0x1000, &(0x7f00000007c0)=""/4096}, {0xf000, 0x3, &(0x7f00000017c0)=""/3}, {0x10000, 0xc, &(0x7f0000001800)=""/12}, {0x3000, 0xb3, &(0x7f0000001840)=""/179}, {0xd000, 0xaa, &(0x7f0000001900)=""/170}, {0x6000, 0x6, &(0x7f00000019c0)=""/6}]}) ioctl$USBDEVFS_CLEAR_HALT(0xffffffffffffffff, 0x80045515, &(0x7f0000001b00)={0x6, 0x1}) setsockopt$sock_int(r1, 0x1, 0x5, &(0x7f0000001b40)=0x2000000, 0x4) ioctl$BLKROGET(r2, 0x125e, &(0x7f0000001b80)) mount$9p_virtio(&(0x7f0000001bc0)='{%', &(0x7f0000001c00)='./file0\x00', &(0x7f0000001c40)='9p\x00', 0x4000, &(0x7f0000001c80)={'trans=virtio,', {[{@loose='loose'}, {@debug={'debug', 0x3d, 0x4}}, {@posixacl='posixacl'}, {@fscache='fscache'}], [{@smackfshat={'smackfshat', 0x3d, 'TIPCv2\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}]}}) bind$netrom(r6, &(0x7f0000001d00)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @null, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default]}, 0x48) pipe2(&(0x7f0000001d80)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$BINDER_GET_NODE_DEBUG_INFO(r8, 0xc018620b, &(0x7f0000001dc0)={0x1}) getpid() r9 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000001e00)='cpu.weight\x00', 0x2, 0x0) open_by_handle_at(r9, &(0x7f0000001e40)={0x1c, 0x5f, "72425b8c5f415a1fbb37615f5ef733bc83a42af7"}, 0x100) r10 = openat$full(0xffffffffffffff9c, &(0x7f0000001e80)='/dev/full\x00', 0x40000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r10, 0xc02c5341, &(0x7f0000001ec0)) [ 190.228647][ T8148] chnl_net:caif_netlink_parms(): no params data found [ 190.296577][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 190.349368][ T8148] bridge0: port 1(bridge_slave_0) entered blocking state [ 190.364237][ T8148] bridge0: port 1(bridge_slave_0) entered disabled state [ 190.372508][ T8148] device bridge_slave_0 entered promiscuous mode [ 190.399714][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 190.423302][ T8148] bridge0: port 2(bridge_slave_1) entered disabled state [ 190.431840][ T8148] device bridge_slave_1 entered promiscuous mode 05:51:24 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0xf59ce3, 0x0) ioctl$TIOCGETD(r0, 0x5424, &(0x7f0000000040)) r1 = syz_open_dev$cec(&(0x7f0000000080)='/dev/cec#\x00', 0x1, 0x2) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f0000000100)={0x7, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}, {}]}) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_J1939_PROMISC(r2, 0x6b, 0x2, &(0x7f0000000180)=0x1, 0x4) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000200)={0x0, 0xffffffffffffffff, 0x0, 0x3, &(0x7f00000001c0)=']\'\x00', 0xffffffffffffffff}, 0x30) write$cgroup_pid(r2, &(0x7f0000000240)=r4, 0x12) getsockopt$bt_rfcomm_RFCOMM_LM(0xffffffffffffffff, 0x12, 0x3, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_MRT6_ADD_MIF(r5, 0x29, 0xca, &(0x7f0000000300)={0x817c, 0x1, 0x6, 0xec0d, 0x7ff}, 0xc) r6 = syz_open_dev$swradio(&(0x7f0000000340)='/dev/swradio#\x00', 0x0, 0x2) r7 = syz_genetlink_get_family_id$devlink(&(0x7f00000003c0)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_SET(r6, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x28111020}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x74, r7, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [{{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x3}}, {0x8, 0x4, 0x1}}, {{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8, 0x4, 0x2}}]}, 0x74}}, 0x8020) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000500)='/dev/autofs\x00', 0x8000, 0x0) ioctl$KDGETKEYCODE(r8, 0x4b4c, &(0x7f0000000540)={0x7f, 0x3ff}) r9 = geteuid() syz_mount_image$msdos(&(0x7f0000000580)='msdos\x00', &(0x7f00000005c0)='./file0\x00', 0x4, 0x6, &(0x7f0000000900)=[{&(0x7f0000000600)="4bb21ba3f10a6d84b4170937882c7421e81c0e4d3a92b254657aec597dc122d3add86113ed3eac86aed1682628768b0416059228843cacbc75294ad9eab1bcb8b98cb04052cbc164880ea76e11a0e5b58faaf6d498a9c1f001014bca912cecaee454865be10aa94aa1e5bf81ca7c9ba646a063a278760d7c87ff897fa7a9b5cec756b86fc06253faab8e173631111dd519ee8edfc1c55f45fa19fee13daa2be887002cf82dfa9ce5a20b614aa87ba353862f41dde2231925f27b7531fc73b6d2f368b98aca9b8b6870393bf1f156f41af8d6691471ed87d22849be7027a75ff8ac658aa765", 0xe5, 0x5}, {&(0x7f0000000700)="9b09a193b4b223e80d2ed260b42771517b1c6da257f7f2c6fff5a0", 0x1b, 0x7fffffff}, {&(0x7f0000000740)="1ac4228709cccd2651ddac0f8c033c975a3079ad", 0x14, 0x3}, {&(0x7f0000000780)="aada18ca3ecfb725fbff2300313dc658f73ae11ae4b248c3c21c2d3fee56194ff51111e908ebd50885823f8b736f822816c5962119dd4c31e6bbe6beb52018d15c099be96e593c18e9ec33da645afd46bd0c5c95a1f73ddcdea7ef67cb75f508052e8a46d50ae41f95ed491fe2e6f14e597306658e089b05accdfaa7f4d92c3bd9ba9958254be73ee5ddceb1daf57979df40cd0b8456836d9fd4740e9535e4661206dd4e75e8a2169ce020ec329f1e7cda507b2f741fffe10a6672543cb2d5404e3ca169958f8a881d7d5e48110ebae66002f0b69a0cee9a1a0aa419c865c775e4e731cb3b", 0xe5, 0x7ff}, {&(0x7f0000000880)="9a12d63d0cff819cb8375886921139d1f6b06664950b7b73e9cd05967acbac29fa3b08", 0x23, 0x10000}, {&(0x7f00000008c0)="55f5d052035bde9c3e3a9c0949db892c37723f06224564da5ef735bb0778fa8ff0c33f8a79b9b0433ab80a35ec996b786d3a232f0c724f1e2c6f96", 0x3b, 0x78}], 0x1000021, &(0x7f00000009c0)={[{@nodots='nodots'}, {@nodots='nodots'}, {@nodots='nodots'}, {@fat=@tz_utc='tz=UTC'}, {@nodots='nodots'}, {@fat=@fmask={'fmask', 0x3d, 0xffffffffffffffff}}], [{@context={'context', 0x3d, 'user_u'}}, {@fowner_eq={'fowner', 0x3d, r9}}, {@smackfsroot={'smackfsroot', 0x3d, 'devlink\x00'}}]}) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f0000000a80)=0xa02, 0x4) fstatfs(r3, &(0x7f0000000ac0)=""/219) accept(r8, &(0x7f0000000bc0)=@ipx, &(0x7f0000000c40)=0x80) r10 = socket$packet(0x11, 0x2, 0x300) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY(r10, 0xc0406618, &(0x7f0000000c80)={{0x0, 0x0, @identifier="4e55b1b67df86789f095bc82b5171a44"}}) r11 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000cc0)='/dev/snapshot\x00', 0x60000, 0x0) ioctl$TCGETS(r11, 0x5401, &(0x7f0000000d00)) r12 = openat(0xffffffffffffffff, &(0x7f0000000d40)='./file0\x00', 0x680540, 0x80) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r12, 0x111, 0x3, 0x1, 0x4) r13 = syz_open_procfs(0x0, &(0x7f0000000d80)='net/l2cap\x00') ioctl$BLKTRACESTART(r13, 0x1274, 0x0) r14 = syz_open_dev$vcsn(&(0x7f0000000dc0)='/dev/vcs#\x00', 0x2, 0x4200) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000e00)={0x69a95eb8, 0x0}) ioctl$DRM_IOCTL_AGP_ALLOC(r14, 0xc0206434, &(0x7f0000000e40)={0x37f979d5, r15, 0x2, 0x7fffffff}) [ 190.459933][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 190.502355][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 190.510572][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 190.520641][ T8150] device bridge_slave_0 entered promiscuous mode [ 190.533675][ T8148] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 190.568646][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 190.576515][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 190.595516][ T8150] device bridge_slave_1 entered promiscuous mode [ 190.611537][ T8148] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 190.662502][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 190.677379][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 190.712270][ T8150] team0: Port device team_slave_0 added [ 190.721270][ T8148] team0: Port device team_slave_0 added [ 190.737705][ T8150] team0: Port device team_slave_1 added [ 190.747629][ T8156] IPVS: ftp: loaded support on port[0] = 21 05:51:24 executing program 4: r0 = add_key(&(0x7f0000000000)='.request_key_auth\x00', &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$KEYCTL_PKEY_DECRYPT(0x1a, &(0x7f0000000080)={r0, 0x5, 0xeb}, &(0x7f00000000c0)={'enc=', 'oaep', ' hash=', {'sha3-512\x00'}}, &(0x7f0000000140)="5b853f1edc", &(0x7f0000000180)=""/235) r1 = add_key$keyring(&(0x7f0000000380)='keyring\x00', &(0x7f00000003c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd) add_key(&(0x7f0000000280)='.dead\x00', &(0x7f00000002c0)={'syz', 0x1}, &(0x7f0000000300)="6ee7141b3f312ace6be96d1e3a0223a394aedbf2277e3523234501348ef7a20d034c9f7e08cd6be983ec863a87fd98bd9f09efe6119bfffa1588ea234b84171d3a7bc2db8c1d67881d58", 0x4a, r1) r2 = syz_open_dev$midi(&(0x7f0000000400)='/dev/midi#\x00', 0x9, 0x800) sendmsg$TIPC_CMD_GET_NETID(r2, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8881) pipe(&(0x7f0000000540)={0xffffffffffffffff}) r4 = syz_open_dev$vcsn(&(0x7f0000000580)='/dev/vcs#\x00', 0x4, 0x0) r5 = accept4$inet6(r4, &(0x7f00000005c0)={0xa, 0x0, 0x0, @loopback}, &(0x7f0000000600)=0x1c, 0x80000) socket$inet_sctp(0x2, 0x0, 0x84) vmsplice(r3, &(0x7f00000008c0)=[{&(0x7f0000000640)="2875060a0584bb7ce488a49a0f0456a3980ad70d415f4b928874a1975d01711ebd6e71ac0faaa64ea54b461a1c0a12d01315b1bcc73b6a94acc4122c1be1c1618fc1894670d928c2570a0febf86ce5e576e0124f53cc975fe0dd9f8615d9a006dea44bfa3b0b9af6fbf151ae3a88dba008eb5b36a2bc2155580809f291d7c60314b8f741f928a078", 0x88}, {&(0x7f0000000700)="de21337ff31702b75d02228e55d5f53906f2716d480cfb9974125d4b73c6fa19734ec4f8e14f3166a916d5a7d4e090a08a8c32d5812bd7ef558f8ca753178854cd3fbeb6432534fbec6629313ae9b3b2645f5c27f6aff0a2a1041f6c3570ca9a5475b83337c1d131f8575dad595b7e35c9327f170e033599ac8e73d905bd1fbcafd17ee01a2016d57b70c0841970ade8838c0be0132c87be84ca02b28f545dc27a411a", 0xa3}, {&(0x7f00000007c0)="1c06ada7b85364d5aec7ab8345de93a5fdbfe17bf8273af718f537f31e920453b111efbeeac03fffba4508ce1f49d588262917abd90bb53cb84a8b827a57fae57dc1", 0x42}, {&(0x7f0000000840)="5508dd0f0d90df6456478a75099539c65fb60333fa3071c7fbe94915ed85399c35a3c4a8e5acab8c1c03df9d3d3e5b9adf2e5fc4dc4aa1f26c83d0f71fe5f92a7b86ef89d5", 0x45}], 0x4, 0x1) r6 = openat$vicodec1(0xffffffffffffff9c, &(0x7f0000000900)='/dev/video37\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_DV_TIMINGS(r6, 0xc0945662, &(0x7f0000000940)={0x8000, 0x0, [], {0x0, @reserved}}) ioctl$NS_GET_PARENT(r4, 0xb702, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0xfffffffffffffff7) r7 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000a00)='/dev/rtc0\x00', 0x181001, 0x0) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r7, &(0x7f0000000a40)={0x20000000}) getsockname$packet(r2, &(0x7f0000003340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000003380)=0x14) ioctl$TUNSETIFINDEX(0xffffffffffffffff, 0x400454da, &(0x7f00000033c0)=r8) r9 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000003400)='/dev/dlm-monitor\x00', 0x400001, 0x0) r10 = syz_genetlink_get_family_id$tipc(&(0x7f0000003480)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r9, &(0x7f0000003540)={&(0x7f0000003440)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000003500)={&(0x7f00000034c0)={0x2c, r10, 0x8, 0x70bd2c, 0x25dfdbfb, {{}, 0x0, 0x4102, 0x0, {0x10, 0x13, @udp='udp:syz0\x00'}}, ["", "", "", "", "", "", ""]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x40000080) ioctl$sock_SIOCGIFCONF(r5, 0x8912, &(0x7f0000003680)=@buf={0xc8, &(0x7f0000003580)="8a24342dca2855389e91f86180101f89a41acb8f1115dcc4a775e3ae5c9807a7fed14fd275b3daae7964f451ef1c3d3c316401d954286f694516dbd8aec7d14ed52dd8f893d752b127e260ed38ef6a9de5ff6d2985bff1ec5892c231d7da316e04d28910276aaa1bcfad6f7985db681c1dadc9f8de5124704d5333a5377b3cbdc21a481ea15e48f3dd62fd6266fab90d0a986916a83678568acd6c7c3cdec8e82e0fa1469bfd8684d0177584b4e0ca092aa3aac6dfc8173033a3e2834008c62db7392f63df037066"}) r11 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000036c0)='/dev/ptmx\x00', 0x200100, 0x0) gettid() r12 = syz_open_dev$admmidi(&(0x7f0000003700)='/dev/admmidi#\x00', 0x0, 0xafa94848660bd2e1) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r12, 0x800442d2, &(0x7f00000037c0)={0x3, &(0x7f0000003740)=[{}, {0x0, 0x0, 0x0, @random}, {0x0, 0x0, 0x0, @dev}]}) r13 = openat$zero(0xffffffffffffff9c, &(0x7f0000003800)='/dev/zero\x00', 0x400000, 0x0) getsockopt$bt_BT_RCVMTU(r13, 0x112, 0xd, &(0x7f0000003840)=0xe000, &(0x7f0000003880)=0x2) ioctl$EVIOCGUNIQ(r11, 0x80404508, &(0x7f00000038c0)=""/209) [ 190.769447][ T8148] team0: Port device team_slave_1 added [ 190.847007][ T8150] device hsr_slave_0 entered promiscuous mode [ 190.944520][ T8150] device hsr_slave_1 entered promiscuous mode 05:51:24 executing program 5: clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futex(&(0x7f0000000000), 0x8b, 0x2, &(0x7f0000000080)={r0, r1+30000000}, &(0x7f00000000c0)=0x2, 0x1) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x40000, 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r2, &(0x7f0000000140)={0x21, 0x3, 0x0, {0x5}}, 0x21) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vsock\x00', 0x200041, 0x0) ioctl$VIDIOC_PREPARE_BUF(r3, 0xc058565d, &(0x7f0000000200)={0x3, 0x9, 0x4, 0x100, {0x0, 0x7530}, {0x1, 0x1, 0x20, 0x20, 0x3, 0x1f, "6c66a10a"}, 0x1, 0x1, @planes=&(0x7f00000001c0)={0x5, 0x80000000, @mem_offset=0x5, 0xfe000000}, 0x4}) write$ppp(r2, &(0x7f0000000280)="87dd54d226f3a8ac06de96ebaaf4a3cf00e2699a3519a7ad62f023558fda3ba6589f4d7b0482796de1e4fd11a2a2b467036d87bbaf1ba189919d5d950c2d67065167d35be171fddc9921f834fdb99603c12bca00e880e58514cea15e7fabb4bb3d4d0f9dbc3105adb5ecec8cdacf13ae2345f41bea0d1c9a73a1114630e5abd2ec9bc2ef2b9b14", 0x87) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000340)='/dev/hwrng\x00', 0x200, 0x0) r4 = openat$smack_task_current(0xffffffffffffff9c, &(0x7f0000000380)='/proc/self/attr/current\x00', 0x2, 0x0) fcntl$setstatus(r4, 0x4, 0x4a000) r5 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$sock_SIOCOUTQ(r5, 0x5411, &(0x7f00000003c0)) truncate(&(0x7f0000000400)='./file0\x00', 0x0) r6 = open(&(0x7f0000000440)='./file0\x00', 0x402180, 0x20) ioctl$DRM_IOCTL_SET_UNIQUE(r6, 0x40106410, &(0x7f00000004c0)={0x26, &(0x7f0000000480)="17c09493a60d6378a8c51eb6b3048274ea59c77aa1ab382b96fec4df6f5dbe6259658f43a0d3"}) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x40042409, 0x1) r7 = openat$random(0xffffffffffffff9c, &(0x7f0000000500)='/dev/urandom\x00', 0x12480, 0x0) fsetxattr$security_ima(r7, &(0x7f0000000540)='security.ima\x00', &(0x7f0000000580)=@ng={0x4, 0x1, "47c45174"}, 0x6, 0x3) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r5) r8 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000005c0)='cpuacct.stat\x00', 0x0, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000600)={{{@in=@initdev, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@empty}, 0x0, @in=@remote}}, &(0x7f0000000700)=0xe8) setsockopt$inet_mreqn(r8, 0x0, 0x34, &(0x7f0000000740)={@remote, @initdev={0xac, 0x1e, 0x1, 0x0}, r9}, 0xc) r10 = socket$inet6_sctp(0xa, 0x1, 0x84) fsetxattr$security_smack_transmute(r10, &(0x7f0000000780)='security.SMACK64TRANSMUTE\x00', &(0x7f00000007c0)='TRUE', 0x4, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000800)={0x4, 0x1, 0x0, 0x1000, &(0x7f0000ffd000/0x1000)=nil}) fsetxattr$trusted_overlay_opaque(r6, &(0x7f0000000840)='trusted.overlay.opaque\x00', &(0x7f0000000880)='y\x00', 0x2, 0x2) r11 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/hwrng\x00', 0x121880, 0x0) ioctl$LOOP_SET_CAPACITY(r11, 0x4c07) r12 = gettid() ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r8, 0xc1105517, &(0x7f0000000940)={{0x0, 0xb0cefd87da0566fc, 0x8, 0x9ae, 'syz0\x00'}, 0x4, 0x10, 0x7fffffff, r12, 0x3, 0x2, 'syz1\x00', &(0x7f0000000900)=['y\x00', '\x00', 'cpuacct.stat\x00'], 0x10, [], [0x4, 0x9, 0x481]}) [ 191.105875][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 191.197940][ T8148] device hsr_slave_0 entered promiscuous mode [ 191.254879][ T8148] device hsr_slave_1 entered promiscuous mode [ 191.294588][ T8148] debugfs: Directory 'hsr0' with parent '/' already present! [ 191.342776][ T8165] IPVS: ftp: loaded support on port[0] = 21 [ 191.383781][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 191.651955][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 191.716498][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 191.745063][ T8154] device bridge_slave_0 entered promiscuous mode [ 191.784789][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 191.791876][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 191.850196][ T8154] device bridge_slave_1 entered promiscuous mode [ 192.100444][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 192.237782][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 192.346642][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.406299][ T8154] team0: Port device team_slave_0 added [ 192.458284][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 192.484889][ T8156] chnl_net:caif_netlink_parms(): no params data found [ 192.509533][ T8154] team0: Port device team_slave_1 added [ 192.519171][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.536684][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 192.571131][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 192.623721][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 192.657666][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 192.668280][ T3021] bridge0: port 1(bridge_slave_0) entered blocking state [ 192.675855][ T3021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 192.701357][ T8148] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.731183][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 192.739729][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 192.748555][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 192.758007][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 192.765142][ T8173] bridge0: port 2(bridge_slave_1) entered forwarding state [ 192.773678][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 192.782872][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 192.868324][ T8154] device hsr_slave_0 entered promiscuous mode [ 192.904608][ T8154] device hsr_slave_1 entered promiscuous mode [ 192.944505][ T8154] debugfs: Directory 'hsr0' with parent '/' already present! [ 192.964491][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 192.972315][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 192.980285][ T8158] device bridge_slave_0 entered promiscuous mode [ 192.993106][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.000588][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.008872][ T8158] device bridge_slave_1 entered promiscuous mode [ 193.031789][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 193.052456][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 193.061175][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 193.070326][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 193.079182][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 193.088230][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 193.096278][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.103765][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.112297][ T8156] device bridge_slave_0 entered promiscuous mode [ 193.122128][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.130142][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.138466][ T8156] device bridge_slave_1 entered promiscuous mode [ 193.156374][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 193.189827][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 193.202022][ T8148] 8021q: adding VLAN 0 to HW filter on device team0 [ 193.209982][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 193.218236][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 193.227402][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 193.273485][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 193.282577][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 193.309576][ T8150] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 193.329737][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 193.348233][ T8165] chnl_net:caif_netlink_parms(): no params data found [ 193.384730][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 193.393353][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 193.453111][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 193.474758][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 193.495297][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.502410][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 193.541152][ T8156] team0: Port device team_slave_0 added [ 193.566801][ T8156] team0: Port device team_slave_1 added [ 193.627414][ T8158] team0: Port device team_slave_0 added [ 193.657638][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 193.690164][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 193.709935][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 193.769610][ T3021] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.776805][ T3021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 193.810302][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 193.830722][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 193.855092][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 193.890045][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 193.951767][ T8158] team0: Port device team_slave_1 added [ 193.975168][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 193.991787][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 194.029274][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 194.038742][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 194.052785][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 194.062233][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 194.081085][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 194.101385][ T8150] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 194.156555][ T8156] device hsr_slave_0 entered promiscuous mode [ 194.194665][ T8156] device hsr_slave_1 entered promiscuous mode [ 194.234329][ T8156] debugfs: Directory 'hsr0' with parent '/' already present! [ 194.286107][ T8158] device hsr_slave_0 entered promiscuous mode [ 194.324539][ T8158] device hsr_slave_1 entered promiscuous mode [ 194.374388][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 194.397419][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 194.406545][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 194.464650][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 194.472577][ T8165] bridge0: port 1(bridge_slave_0) entered blocking state [ 194.486544][ T8165] bridge0: port 1(bridge_slave_0) entered disabled state [ 194.504570][ T8165] device bridge_slave_0 entered promiscuous mode [ 194.588370][ T8165] bridge0: port 2(bridge_slave_1) entered blocking state [ 194.624680][ T8165] bridge0: port 2(bridge_slave_1) entered disabled state [ 194.663299][ T8165] device bridge_slave_1 entered promiscuous mode [ 194.737729][ T8148] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 194.764805][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 194.773611][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 194.910717][ T8165] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 194.968445][ T8154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 195.041645][ T8165] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 195.161496][ T8154] 8021q: adding VLAN 0 to HW filter on device team0 [ 195.245915][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 195.253971][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 195.316045][ T8165] team0: Port device team_slave_0 added [ 195.346001][ T8165] team0: Port device team_slave_1 added [ 195.371397][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.420856][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.497420][ T3021] bridge0: port 1(bridge_slave_0) entered blocking state [ 195.504582][ T3021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 195.565277][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.624661][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.684458][ T3021] bridge0: port 2(bridge_slave_1) entered blocking state [ 195.691571][ T3021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 195.898674][ T8165] device hsr_slave_0 entered promiscuous mode [ 195.937228][ T8165] device hsr_slave_1 entered promiscuous mode 05:51:29 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x0, 0x100082) r1 = memfd_create(&(0x7f0000000380)='\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00v\x8e\x05\xf7\xc1U\xad}\xc6\x94|W>Zi$Nv8,\n\xa6=W^\xa3Y\x7f\x8b\x17(\'~\xf7k0TM{\xa9-\xcf\x97\x8f\x1f\x81\xdc\x1b\x7f\x8f{4Q\xda\xda\x02\xec\xb4\xf1\xdd\xcc\x8bRA\xda\x89Efn\x00s\xc2Zb\x01\x00M\xbe\xa3z\xab\xd3\xeb\x98\x88\xc4\xc6)A\x9fP\x93zhH\xe0\xd2\x81\xdb\xeeV\x8cM\xe9\xa06\xc2o\x19\"\xf6Iq\xd4\xdf\x97\xfb\xab\x04\xe8\xceI8\xb3\x1d\xcf%\x9bK\xc6\t\x01\xe1\x86a\xfa\xb8\xfb)\x88\xcd+\xc2`\xc2\xf5r5>k\xb0\xa0\x02\xfc\x16MO\x18\x9b\x06\x80b\xd1\x01\x00\x00\x00\x00\x00\x00\x00@\f\fL\xa5{Tk\x940\x17.\xa56.\xe0\x14\x1b=\xf0j\xd25\xe8\x15\xd8\x9e\xea\xd3\xd9G4\t\xc0\x9c.\'\xa9R3z$\xf2\x01\x88\xc0\x13\x12<\xc01j3\xd8\xb4CE7s\xe4\xa0\x9e\xdd\x801\x12M\xee\x13\xce\x9cu(\x8f.\xc83\xc7\xe6j\xf5\xb1\x9a\x00\x00\x00\x00\x00\x00\x00', 0x0) pwritev(r1, &(0x7f0000001400)=[{&(0x7f00000002c0)='\'', 0x1}], 0x1, 0x0) sendfile(r0, r1, 0x0, 0x20000102000007) [ 195.952620][ T8324] QAT: Invalid ioctl [ 195.971322][ T8324] QAT: Invalid ioctl [ 195.984354][ T8165] debugfs: Directory 'hsr0' with parent '/' already present! [ 195.992059][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 05:51:29 executing program 1: futex(0x0, 0x8c, 0x0, 0x0, &(0x7f0000000180), 0x0) [ 196.033116][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 196.063355][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 196.094675][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 196.103342][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 196.127750][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready 05:51:30 executing program 0: r0 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000100)='/dev/dmmidi#\x00', 0xc, 0x0) signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x8, 0x0) socket$inet6(0xa, 0x40000080806, 0x0) syz_open_dev$radio(0x0, 0x2, 0x2) ioctl$int_in(r0, 0x800000c004500a, &(0x7f0000000040)) perf_event_open(&(0x7f000001d000)={0x1, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r1+30000000}, 0x0) [ 196.160589][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 196.188761][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready 05:51:30 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000640)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$VT_DISALLOCATE(0xffffffffffffffff, 0x5608) write$cgroup_int(0xffffffffffffffff, 0x0, 0xfffffffffffffcd2) pipe(0x0) socket$inet_udp(0x2, 0x2, 0x0) close(0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0xfffffffffffffff8) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x0) fcntl$notify(0xffffffffffffffff, 0x402, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r3, 0x0, 0x0, 0x20000004, &(0x7f0000000280)={0xa, 0x4e22}, 0x1c) openat$zero(0xffffffffffffff9c, 0x0, 0x0, 0x0) write(r3, &(0x7f0000000380), 0xfffffffe) recvfrom$inet6(r3, &(0x7f0000001840)=""/31, 0xfffffe0e, 0x100, &(0x7f0000001880), 0x1c) r4 = socket$packet(0x11, 0x2, 0x300) setsockopt$SO_ATTACH_FILTER(r4, 0x1, 0x1a, &(0x7f0000fbe000)={0x2, &(0x7f0000000080)=[{0x4000000028, 0x0, 0x0, 0xfffff03c}, {0x80000006, 0x0, 0x0, 0x10}]}, 0x10) r5 = accept4(r0, 0x0, 0x0, 0x0) sendto$inet6(r5, &(0x7f00000000c0), 0xfffffdda, 0x0, 0x0, 0x0) [ 196.213216][ T8156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 196.258850][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 196.271261][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 196.295294][ C0] hrtimer: interrupt took 26814 ns [ 196.302074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 196.317061][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 196.340495][ T8158] 8021q: adding VLAN 0 to HW filter on device team0 [ 196.352882][ T8154] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 196.367077][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 196.389451][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 196.412667][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 196.433667][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 196.453283][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 196.480628][ T8156] 8021q: adding VLAN 0 to HW filter on device team0 [ 196.487513][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 196.487600][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 196.556919][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 196.576687][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 196.594190][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 196.600252][ C1] protocol 88fb is buggy, dev hsr_slave_1 05:51:30 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu\x00', 0x200002, 0x0) fchdir(r0) clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = inotify_init1(0x0) read(r1, 0x0, 0x190e5c4b) inotify_add_watch(r1, &(0x7f0000000000)='./file0\x00', 0xa400295c) utime(&(0x7f0000000040)='./file0\x00', 0x0) [ 196.607626][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 196.640210][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 196.676181][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.683349][ T8224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.714237][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 196.720075][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 196.809102][ T8154] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 196.834278][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 196.840143][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 196.849509][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 196.872649][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 196.915267][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 196.923709][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.930857][ T8225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.944365][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 196.994477][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 197.024767][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 197.045296][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 197.065495][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.072636][ T8225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 197.094785][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 197.114838][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 197.144850][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.151990][ T8225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 197.166260][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 197.185587][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 197.205114][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 197.263149][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.274764][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready 05:51:31 executing program 1: request_key(&(0x7f0000000800)='encrypted\x00', &(0x7f0000000840)={'syz', 0x3}, &(0x7f0000000880)='./cgroup.net/syz1\x00', 0xfffffffffffffff8) r0 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f0000000280)={'syz', 0x0}, 0x0, 0x0, r1) r3 = add_key$keyring(&(0x7f0000000100)='keyring\x00', 0x0, 0x0, 0x0, r2) r4 = add_key$keyring(&(0x7f00000003c0)='keyring\x00', &(0x7f0000000440)={'\x81yz', 0x2}, 0x0, 0x0, r3) r5 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, r4) add_key$keyring(&(0x7f0000000180)='keyring\x00', 0x0, 0x0, 0x0, r5) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000500)='/dev/loop#\x00', 0x0, 0x100082) r7 = memfd_create(&(0x7f0000000540)='\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00v\x8e\x05\xf7\xc1U\xad}\xc6\x94|W>Zi$Nv8,\n\xa6=W^\xa3Y\x7f\x8b\x17(\'~\xf7k0TM{\xa9-\xcf\x97\x8f\x1f\x81\xdc\x1b\x7f\x8f{4Q\xda\xda\x02\xec\xb4\xf1\xdd\xcc\x8bRA\xda\x89Efn\x00s\xc2Zb\x01\x00M\xbe\xa3z\xab\xd3\xeb\x98\x88\xc4\xc6)A\x9fP\x93zhH\xe0\xd2\x81\xdb\xeeV\x8cM\xe9\xa06\xc2o\x19\"\xf6Iq\xd4\xdf\x97\xfb\xab\x04\xe8\xceI8\xb3\x1d\xcf%\x9bK\xc6\t\x01\xe1\x86a\xfa\xb8\xfb)\x88\xcd+\xc2`\xc2\xf5r5>k\xb0\xa0\x02\xfc\x16MO\x18\x9b\x06\x80b\xd1\x01\x00\x00\x00\x00\x00\x00\x00@\f\fL\xa5{Tk\x940\x17.\xa56.\xe0\x14\x1b=\xf0j\xd25\xe8\x15\xd8\x9e\xea\xd3\xd9G4\t\xc0\x9c.\'\xa9R3z$\xf2\x01\x88\xc0\x13\x12<\xc01j3\xd8\xb4CE7s\xe4\xa0\x9e\xdd\x801\x12M\xee\x13\xce\x9cu(\x8f.\xc83\xc7\xe6j\xf5\xb1\x9a\x00\x00\x00\x00\x00\x00\x00', 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) ioctl$VIDIOC_SUBDEV_S_SELECTION(0xffffffffffffffff, 0xc040563e, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x18, 0x0, &(0x7f0000000080)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x20000, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$sndpcmp(&(0x7f0000000940)='?dev/a5\xc8\xb3x\xac\xeb\v#R\xb8\x9a\xa2', 0x200000, 0x261801) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) sendmsg$nl_generic(r8, &(0x7f0000000780)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x2000002}, 0xc, &(0x7f00000004c0)={&(0x7f0000000680)={0x8c, 0x0, 0x8, 0x70bd2c, 0x0, {0x15}, [@generic="e4b60a7990192b4093f3f4149f23ac1195e1472afb2648a425e0de058b579c12c08410d140efe5f1aeeabe5b956b6e7a7814cf786b9c1b146343b902bf11c43cf43ddc812ed94e724208bcdeeeb1b37fff107aaf0e8d87af30d4ea9ab1bf836ea79b6c576f118bea7f55f2c93cbc8ffc9d4d0e191b"]}, 0x8c}, 0x1, 0x0, 0x0, 0x4048024}, 0x4000000) r9 = syz_open_dev$admmidi(&(0x7f0000000740)='/dev/admmidi#\x00', 0x0, 0x105000) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r9, 0x84, 0x16, &(0x7f00000007c0)=ANY=[@ANYBLOB="0700140001008e0000c08100e914a3000800"], 0x12) fsmount(r8, 0x0, 0x7) pwritev(r7, &(0x7f0000000340)=[{&(0x7f00000001c0)='\'', 0x1}], 0x1, 0x81806) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz1\x00', 0x1ff) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000200)={'gretap0\x00', {0x2, 0x4e23, @loopback}}) r10 = socket(0x10, 0x3, 0x0) getsockopt$inet_pktinfo(r10, 0x0, 0x8, &(0x7f0000000380)={0x0, @empty, @local}, &(0x7f00000003c0)=0xc) sendto$packet(0xffffffffffffffff, &(0x7f0000000240), 0x0, 0x4000, &(0x7f0000000400)={0x11, 0x8, r11, 0x1, 0xfe, 0x6, @random="2e17d5349ce9"}, 0x14) syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x40, 0x410000) ioctl$LOOP_CHANGE_FD(r6, 0x4c00, r7) write$binfmt_elf64(0xffffffffffffffff, &(0x7f00000007c0)=ANY=[@ANYBLOB], 0x0) sendfile(r6, r6, 0x0, 0x40fdf) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) madvise(&(0x7f00000d9000/0x600000)=nil, 0x600000, 0x14) syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x1, 0x0) sendmsg$TIPC_NL_SOCK_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x3b6639c9081f1421}, 0xc, &(0x7f0000001000)={&(0x7f00000009c0)=ANY=[@ANYBLOB="95000000", @ANYRES16=0x0, @ANYBLOB="20000000000000000000060000003c00070083fd0100ffffffff0800010052d3000008000100010000000900030005000000000000000800020005000000f20303000000000000000000340004002400070000000100130080000000040005000000080002000100000008000100200000000c0007000800020005000000"], 0x84}, 0x1, 0x0, 0x0, 0x20046080}, 0x0) [ 197.307616][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 197.367955][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 197.409774][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 197.431695][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 197.457455][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 197.467953][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 197.477858][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 197.486815][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 197.496232][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 197.505336][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 197.516428][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 197.548292][ T8156] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 197.568321][ T8156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 197.582104][ T8158] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 197.604913][ T8158] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 05:51:31 executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) shmget$private(0x0, 0x4000, 0x800, &(0x7f0000ff9000/0x4000)=nil) [ 197.621801][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 197.645804][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 197.653908][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 197.662949][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 197.672159][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 197.681074][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 197.689586][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 197.699929][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 05:51:31 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000001400)=@ipx, 0x38b, 0x0, 0x267}}], 0x8000000000000ee, 0x0, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/sockstat6\x00') preadv(r0, &(0x7f00000017c0), 0x331, 0x0) [ 197.745200][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 197.756563][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 197.781351][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 197.830770][ T8158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 197.847669][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 197.870327][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 197.902284][ T8156] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 197.967099][ T8165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 198.006484][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready 05:51:31 executing program 2: perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) mount$fuse(0x20000000, &(0x7f0000000180)='./file0\x00', 0x0, 0x7a04, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000080)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f00000001c0), 0x12) [ 198.022860][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 198.044742][ T8165] 8021q: adding VLAN 0 to HW filter on device team0 [ 198.067662][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 198.082622][ T3021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 198.107229][ T3021] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.114377][ T3021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.141039][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 198.149793][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 198.159615][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 198.168550][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.176562][ T8223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.188646][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 198.197364][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 198.206832][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 198.218849][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 198.227805][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 198.236583][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 198.245132][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 198.253456][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 198.262705][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 198.288901][ T8165] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 198.312040][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 198.347270][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 198.383962][ T8165] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 198.401901][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 198.419754][ T8224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 05:51:32 executing program 3: poll(0x0, 0x0, 0x4e) r0 = socket$inet_udplite(0x2, 0x2, 0x88) readv(r0, &(0x7f0000002440)=[{&(0x7f0000000140)=""/191, 0xbf}], 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r1, 0x6, 0x0, 0x0, 0x0) recvfrom$inet(r0, 0x0, 0x24f, 0x0, 0x0, 0x800e00368) shutdown(r0, 0x0) 05:51:33 executing program 4: dup(0xffffffffffffffff) shutdown(0xffffffffffffffff, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000017c0)=[{&(0x7f0000000100)=""/117, 0x75}, {0x0}, {0x0}, {0x0}, {0x0}], 0x5}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r1, 0x0, 0xccf3, 0x0, 0x0, 0x800e00545) shutdown(r0, 0x0) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) readv(r2, &(0x7f0000000340)=[{&(0x7f0000000180)=""/165, 0xa5}], 0x1) shutdown(r1, 0x0) 05:51:33 executing program 1: perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) fcntl$dupfd(0xffffffffffffffff, 0x0, r0) socket$inet6(0xa, 0x80003, 0xff) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r1 = socket(0x0, 0x0, 0x0) sendmmsg$alg(r1, 0x0, 0x0, 0x0) ioctl$TIOCSIG(0xffffffffffffffff, 0x40045436, 0x2e) r2 = memfd_create(&(0x7f0000000440)='de\xe7 ', 0x203) write(r2, &(0x7f0000000000)="16", 0x1) openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x0, 0x0) fcntl$addseals(r2, 0x40a, 0x8) r3 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x10, 0xffffffffffffffff, 0x0) creat(0x0, 0x0) ioctl$KDGKBTYPE(0xffffffffffffffff, 0x4b33, 0x0) 05:51:33 executing program 0: request_key(&(0x7f0000000800)='encrypted\x00', &(0x7f0000000840)={'syz', 0x3}, &(0x7f0000000880)='./cgroup.net/syz1\x00', 0xfffffffffffffff8) r0 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000000)='keyring\x00', 0x0, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f0000000280)={'syz', 0x0}, 0x0, 0x0, r1) r3 = add_key$keyring(&(0x7f0000000100)='keyring\x00', 0x0, 0x0, 0x0, r2) add_key$keyring(&(0x7f00000003c0)='keyring\x00', &(0x7f0000000440)={'\x81yz', 0x2}, 0x0, 0x0, r3) r4 = add_key$keyring(&(0x7f0000000300)='keyring\x00', 0x0, 0x0, 0x0, 0x0) add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f0000000280)={'syz', 0x0}, 0x0, 0x0, r4) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) r5 = syz_open_dev$loop(&(0x7f0000000500)='/dev/loop#\x00', 0x0, 0x100082) r6 = memfd_create(&(0x7f0000000540)='\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00v\x8e\x05\xf7\xc1U\xad}\xc6\x94|W>Zi$Nv8,\n\xa6=W^\xa3Y\x7f\x8b\x17(\'~\xf7k0TM{\xa9-\xcf\x97\x8f\x1f\x81\xdc\x1b\x7f\x8f{4Q\xda\xda\x02\xec\xb4\xf1\xdd\xcc\x8bRA\xda\x89Efn\x00s\xc2Zb\x01\x00M\xbe\xa3z\xab\xd3\xeb\x98\x88\xc4\xc6)A\x9fP\x93zhH\xe0\xd2\x81\xdb\xeeV\x8cM\xe9\xa06\xc2o\x19\"\xf6Iq\xd4\xdf\x97\xfb\xab\x04\xe8\xceI8\xb3\x1d\xcf%\x9bK\xc6\t\x01\xe1\x86a\xfa\xb8\xfb)\x88\xcd+\xc2`\xc2\xf5r5>k\xb0\xa0\x02\xfc\x16MO\x18\x9b\x06\x80b\xd1\x01\x00\x00\x00\x00\x00\x00\x00@\f\fL\xa5{Tk\x940\x17.\xa56.\xe0\x14\x1b=\xf0j\xd25\xe8\x15\xd8\x9e\xea\xd3\xd9G4\t\xc0\x9c.\'\xa9R3z$\xf2\x01\x88\xc0\x13\x12<\xc01j3\xd8\xb4CE7s\xe4\xa0\x9e\xdd\x801\x12M\xee\x13\xce\x9cu(\x8f.\xc83\xc7\xe6j\xf5\xb1\x9a\x00\x00\x00\x00\x00\x00\x00', 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) ioctl$VIDIOC_SUBDEV_S_SELECTION(0xffffffffffffffff, 0xc040563e, &(0x7f0000000180)={0x3, 0x0, 0x101, 0x1, {0x4, 0x0, 0x80000000, 0x3}}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x18, 0x0, &(0x7f0000000080)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x20000, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$sndpcmp(&(0x7f0000000940)='?dev/a5\xc8\xb3x\xac\xeb\v#R\xb8\x9a\xa2', 0x200000, 0x261801) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) r8 = syz_open_dev$admmidi(&(0x7f0000000740)='/dev/admmidi#\x00', 0x0, 0x105000) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r8, 0x84, 0x16, &(0x7f00000007c0)=ANY=[@ANYBLOB="0700140001008e0000c08100e914a30008"], 0x1) fsmount(r7, 0x0, 0x7) pwritev(r6, &(0x7f0000000340)=[{&(0x7f00000001c0)='\'', 0x1}], 0x1, 0x81806) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz1\x00', 0x1ff) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000200)={'gretap0\x00', {0x2, 0x4e23, @loopback}}) r9 = socket(0x10, 0x3, 0x0) getsockopt$inet_pktinfo(r9, 0x0, 0x8, &(0x7f0000000380)={0x0, @empty, @local}, &(0x7f00000003c0)=0xc) sendto$packet(0xffffffffffffffff, &(0x7f0000000240)="8c6afbc18295209d3afd2fdfa79f0b5dff7fa7f9745afe84b0e3064767e50f60a2d6b11d85967d31afaed05441e3605647bc0e7e209596824ddcf166c92999088280229a0ff4f172a00ccb4ac0965ad1e16ce1", 0x53, 0x4000, &(0x7f0000000400)={0x11, 0x8, r10, 0x1, 0xfe, 0x6, @random="2e17d5349ce9"}, 0x14) syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x40, 0x410000) ioctl$LOOP_CHANGE_FD(r5, 0x4c00, r6) write$binfmt_elf64(0xffffffffffffffff, &(0x7f00000007c0)=ANY=[@ANYBLOB], 0x0) sendfile(r5, r5, 0x0, 0x40fdf) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) madvise(&(0x7f00000d9000/0x600000)=nil, 0x600000, 0x14) syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x1, 0x0) sendmsg$TIPC_NL_SOCK_GET(0xffffffffffffffff, &(0x7f0000001040)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x3b6639c9081f1421}, 0xc, &(0x7f0000001000)={&(0x7f00000009c0)=ANY=[@ANYBLOB="95000000", @ANYRES16=0x0], 0x2}, 0x1, 0x0, 0x0, 0x20046080}, 0x0) 05:51:33 executing program 2: perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) mount$fuse(0x20000000, &(0x7f0000000180)='./file0\x00', 0x0, 0x7a04, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000080)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f00000001c0), 0x12) 05:51:33 executing program 5: clone(0x7fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x19b) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) pause() tkill(0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) 05:51:33 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x4000000000008d}, 0x0) r0 = getpid() sched_setattr(r0, 0x0, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x62a, 0x0, 0x0) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3, 0x10}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10000000000000, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2, 0x215}, 0x0, 0x10000, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r4, 0x40082406, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x3008, 0x0, 0x4, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, r4, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(&(0x7f0000000300)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc104, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffd, 0x6, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) stat(0x0, &(0x7f0000000640)) r5 = accept$unix(0xffffffffffffffff, &(0x7f0000000380), &(0x7f00000000c0)=0x6e) getsockopt$sock_linger(r5, 0x1, 0xd, 0x0, &(0x7f00000001c0)) r6 = socket$inet(0x2, 0x2, 0x0) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x806, 0x0) ioctl$TUNSETIFF(r7, 0x400454ca, &(0x7f0000000000)={'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\r', 0x20000005002}) io_submit(0x0, 0x0, 0x0) r8 = fcntl$dupfd(0xffffffffffffffff, 0x605, r7) setsockopt$packet_fanout(r8, 0x107, 0x12, &(0x7f0000000100)={0xfff, 0x5, 0xe87d1cef7a090a85}, 0x4) setsockopt$inet_mreqn(r6, 0x0, 0x23, &(0x7f0000000740)={@multicast2, @loopback}, 0xc) creat(&(0x7f0000000580)='./bus\x00', 0x0) socket$inet_udplite(0x2, 0x2, 0x88) 05:51:33 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x4000000000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x62a, 0x0, 0x0) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r2, 0x407, 0x0) write(r2, &(0x7f0000000340), 0x41395527) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3, 0x10}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000200)={0x5, 0x70, 0x1, 0x8001, 0x0, 0x0, 0x0, 0x10000000000000, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, @perf_config_ext={0x2, 0x215}, 0x0, 0x10000, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x40082406, &(0x7f0000000180)='Z\x00') perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x3008, 0x0, 0x4, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, r3, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(&(0x7f0000000300)={0x5, 0x70, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc104, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffd, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) stat(0x0, &(0x7f0000000640)) r4 = accept$unix(0xffffffffffffffff, &(0x7f0000000380), &(0x7f00000000c0)=0x6e) getsockopt$sock_linger(r4, 0x1, 0xd, 0x0, &(0x7f00000001c0)) socketpair$unix(0x1, 0x0, 0x0, 0x0) io_setup(0x0, &(0x7f0000000200)) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x806, 0x0) ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000000)={'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\r', 0x20000005002}) io_submit(0x0, 0x1, &(0x7f0000000280)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x800000000001, 0x0, r5, 0x0}]) r6 = fcntl$dupfd(0xffffffffffffffff, 0x605, r5) setsockopt$packet_fanout(r6, 0x107, 0x12, &(0x7f0000000100)={0xfff, 0x5, 0xe87d1cef7a090a85}, 0x4) 05:51:33 executing program 4: r0 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) write$UHID_INPUT(r0, &(0x7f0000000580)={0x8, "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", 0x1000}, 0x10000005c) prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x9, 0x8d}, 0x0) r1 = getpid() sched_setattr(r1, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) write$P9_RLCREATE(r0, 0x0, 0xffffffffffffff43) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x4139569a) vmsplice(r2, 0x0, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) fadvise64(r0, 0x0, 0x0, 0x4) r4 = dup2(0xffffffffffffffff, 0xffffffffffffffff) syz_genetlink_get_family_id$tipc(0x0) sendmsg$TIPC_CMD_GET_LINKS(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000340)={0x24, 0x0, 0x20, 0x0, 0x25dfdbfe, {{}, 0x0, 0x4, 0x0, {0x8, 0x11, 0x506}}, [""]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x4000804) 05:51:33 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x6}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) pipe(0x0) ioctl$sock_inet_SIOCDARP(0xffffffffffffffff, 0x8953, &(0x7f0000000200)={{0x2, 0x4e23, @remote}, {0x1, @random="8fbcb0e9f0b0"}, 0x68, {0x2, 0x4a22, @multicast1}, 'bridge0\x00'}) recvmmsg(r1, &(0x7f00000028c0)=[{{&(0x7f00000004c0)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, 0x7c, 0x0, 0x0, 0x0, 0x1d7}}], 0x1, 0x20101, 0x0) r2 = getpid() sched_setattr(r2, &(0x7f0000000040)={0x30, 0x0, 0x0, 0x0, 0x8, 0x58d2}, 0x0) ioprio_get$pid(0x0, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) write(r3, &(0x7f0000000340), 0x41395527) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) mkdir(0x0, 0x0) mprotect(&(0x7f0000c00000/0x4000)=nil, 0x4000, 0x0) ioctl$TCGETA(0xffffffffffffffff, 0x5405, 0x0) sched_setscheduler(r2, 0x1, &(0x7f0000000100)=0x4) r4 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000440)='./cgroup.net\x00', 0x200002, 0x0) r5 = openat$cgroup_ro(r4, &(0x7f0000000580)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x7c774aac) openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0) openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0) ioctl$RTC_UIE_OFF(0xffffffffffffffff, 0x7004) r6 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) fchdir(r6) mmap(&(0x7f0000a00000/0x600000)=nil, 0x600000, 0x800003, 0x8012, r5, 0x0) 05:51:33 executing program 3: r0 = socket$inet(0x10, 0x3, 0x4) sendmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f0000000040)="4c0000001200ff095ffefd956fa283b724a6006b00000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 05:51:33 executing program 2: 05:51:33 executing program 3: 05:51:33 executing program 0: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f00000000c0)) eventfd2(0x0, 0x1001) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) fstat(r2, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setresgid(0x0, r3, 0x0) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='task\x00') fstat(r4, &(0x7f00000016c0)) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0) r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='stat\x00') exit(0x0) preadv(r5, &(0x7f0000000500), 0x37d, 0x0) 05:51:33 executing program 2: perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) open(0x0, 0x40c5, 0x0) open$dir(0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000300)='net/snmp\x00') preadv(0xffffffffffffffff, 0x0, 0x0, 0x2) getpeername(0xffffffffffffffff, &(0x7f0000000000)=@xdp={0x2c, 0x0, 0x0}, &(0x7f00000000c0)=0x80) setsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in6=@rand_addr="5b6bd64597989c489ec8d8a16320ea05", @in6=@ipv4={[], [], @rand_addr=0x7}, 0x4e22, 0x0, 0x4e24, 0x0, 0x2, 0x0, 0x0, 0x0, r0}, {0x2, 0x1, 0x0, 0x1, 0x0, 0x8, 0x100000000, 0x4}, {0x0, 0x9, 0x0, 0x5}, 0x13c, 0x6e6bc0, 0x0, 0x1, 0x1}, {{@in=@multicast2, 0x0, 0x6c}, 0x9, @in, 0x0, 0x2, 0x2, 0x1f, 0x0, 0x3ff, 0x1ce}}, 0xe8) r1 = syz_open_procfs(0x0, &(0x7f0000000300)='net/snmp\x00') preadv(r1, &(0x7f0000000480), 0x1000000000000181, 0x2) r2 = syz_open_dev$loop(0x0, 0x0, 0x0) ioctl$FIGETBSZ(r2, 0x125d, 0x0) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000005c0)={0x752, 0x0, 0x41, 0x5}) mount$9p_tcp(&(0x7f0000000400)='127.0.0.1\x00', &(0x7f0000000600)='./file0\x00', &(0x7f0000000500)='9p\x00', 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="7472616e733d7463702c706f72743d30783030ce9630303030303030303030303034302c7569", @ANYPTR64=&(0x7f0000000180)=ANY=[@ANYRES32=0x0], @ANYRESDEC=r2, @ANYBLOB="1474"]) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$EVIOCRMFF(0xffffffffffffffff, 0x40044581, &(0x7f0000000340)=0xffffc194) clone(0x802102001ffe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) preadv(0xffffffffffffffff, &(0x7f00000017c0), 0x3cc, 0x1f000000) ioprio_set$pid(0x2, 0x0, 0x7e39) clone(0x2a4500, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) 05:51:33 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket(0x10, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$md(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/md0\x00', 0x0, 0x0) syz_open_dev$audion(&(0x7f00000002c0)='/dev/audio#\x00', 0x0, 0x0) 05:51:33 executing program 0: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000200)='ramfs\x00\x9b\x95\x84\x10D\xfb\x9b\x81R#\x10O\xd3\xb4\xe8\xa3\x1f\x00\r\xf6\xd9\xbbt\x95f\x9e\x02\x06\xf946\\{(\xc8\xa7s\xd2>\x81\x88l\x0e\xc5%\x99\x00\x02\x9d\x85\xfc\xa9\\\x99:\xe4\x9c\xf9z>w\xe7\xa9\xa8=\xe9o\x9f\xfbKE\xd7\x9a\x1b\xf8\x86@\x8e\xe6\x9em\x89\xab\x19\xea1\x8e\xa1\xb5\xd7\xc6\xc62\x05\xc7\xe5\xd2m\xeczV\x1d\x84\xcd\xc0\xdf', 0x0, 0x0) umount2(&(0x7f00000003c0)='./file0\x00', 0x0) 05:51:33 executing program 5: 05:51:33 executing program 2: 05:51:33 executing program 3: 05:51:34 executing program 2: 05:51:34 executing program 1: 05:51:34 executing program 0: 05:51:34 executing program 3: 05:51:34 executing program 5: 05:51:34 executing program 4: 05:51:34 executing program 2: 05:51:34 executing program 5: 05:51:34 executing program 3: 05:51:34 executing program 2: 05:51:34 executing program 0: 05:51:34 executing program 4: 05:51:34 executing program 1: 05:51:34 executing program 0: 05:51:34 executing program 2: 05:51:34 executing program 3: 05:51:34 executing program 5: 05:51:34 executing program 4: 05:51:34 executing program 1: 05:51:34 executing program 3: 05:51:34 executing program 5: 05:51:34 executing program 4: 05:51:34 executing program 2: 05:51:34 executing program 1: 05:51:34 executing program 0: 05:51:34 executing program 5: 05:51:34 executing program 2: 05:51:34 executing program 4: 05:51:34 executing program 1: 05:51:34 executing program 3: 05:51:34 executing program 1: 05:51:34 executing program 0: 05:51:34 executing program 5: 05:51:34 executing program 2: 05:51:35 executing program 4: 05:51:35 executing program 3: 05:51:35 executing program 0: 05:51:35 executing program 2: 05:51:35 executing program 5: 05:51:35 executing program 1: 05:51:35 executing program 4: 05:51:35 executing program 3: 05:51:35 executing program 0: 05:51:35 executing program 2: 05:51:35 executing program 3: 05:51:35 executing program 5: 05:51:35 executing program 1: 05:51:35 executing program 4: 05:51:35 executing program 0: 05:51:35 executing program 1: 05:51:35 executing program 2: 05:51:35 executing program 3: 05:51:35 executing program 5: 05:51:35 executing program 4: 05:51:35 executing program 2: 05:51:35 executing program 1: 05:51:35 executing program 5: 05:51:35 executing program 3: 05:51:35 executing program 0: 05:51:35 executing program 4: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000580)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000140)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc3ffffff]}}, r1, 0x800}}, 0x48) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(r2, &(0x7f0000000080)={0x12, 0x10, 0xfa00, {0x0, r1, r0}}, 0x18) close(r2) 05:51:35 executing program 2: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) close(r0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, 0x0, 0x0) 05:51:35 executing program 5: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000001400)=@ipx, 0x217, 0x0}, 0xffffffff}], 0x4000000000001d3, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000380)='net/route\x00') r1 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFLAGS(r1, 0x80086601, &(0x7f0000000080)) preadv(r0, &(0x7f00000017c0), 0x1a0, 0xf0ffff) setsockopt$SO_TIMESTAMP(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000000000)=0x100000001, 0x4) sendmsg$unix(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000000c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000280)=[{&(0x7f0000000140)="c92cf22dd2f1e23da9058031d11049dee7e98a2a526fbf70b5971b6edc0a388c71d0", 0x22}, {&(0x7f0000000180)="f3c15379d10eb434fb704622d2d7451a23e1edc4c8f50dedc6328c283ac2267d6c7ee97f08dba0336607d5a557718ca7f996d519695604e7a6b729839d0a2f3b5ed454873539f2b97dbb0982ffefa533a64dcfe4f405ada64c5d88c5463208f7f3d5b119ec01bca754da168de22d5d4da00a33f31ba233eecf08099d6d4ce6d3851a02eb741a3eb01d247dbd8c6a236152388e8775a5a1d5dd3b669b8ba6f129d6fb99fd2d225275bef4b3c46664348cb1decedf012086f899f8fc371eabc7f1a2ba20875ecf5121c5b7bea4525b91b218fb5a1e786ebf86eb14931e01ef728b2f", 0xe1}], 0x2, 0x0, 0x0, 0x20000000}, 0x3d980e775c04d84a) open(0x0, 0x60001, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x20000004, 0x0, 0x0) 05:51:35 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$md(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/md0\x00', 0x0, 0x0) syz_open_dev$audion(&(0x7f00000002c0)='/dev/audio#\x00', 0x0, 0x0) 05:51:35 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(0xffffffffffffffff, 0x2401, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x74, 0x0, 0xffffff87) mount(0x0, 0x0, 0x0, 0x0, 0x0) syz_open_dev$vcsa(&(0x7f00000000c0)='/dev/vcsa#\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(0xffffffffffffffff, 0x2401, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='cpuset.effective_mems\x00', 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 05:51:35 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x20000000021) r1 = socket$packet(0x11, 0x3, 0x300) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(0x0, 0x0, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000001440)={0x0, 0x3}, 0x4) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r2) ioctl$KVM_ASSIGN_DEV_IRQ(r2, 0x4040ae70, &(0x7f0000000000)={0x89a, 0x3, 0x5, 0x5}) sendto$inet6(r0, &(0x7f0000000000), 0xff77, 0x0, 0x0, 0x4d97) 05:51:35 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1e, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x23e8b9f2a2af65be}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000340)=0x11) pipe(0x0) 05:51:35 executing program 1: setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x1bb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x4}, 0x1c) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') sendfile(r0, r1, 0x0, 0xa808) 05:51:35 executing program 2: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) close(r0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, 0x0, 0x0) [ 202.080062][ T8698] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 202.227278][ C1] net_ratelimit: 1 callbacks suppressed [ 202.227286][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 202.232942][ C1] protocol 88fb is buggy, dev hsr_slave_1 05:51:36 executing program 2: syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0x4, 0x14002) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r1, &(0x7f00000003c0)=""/4096, 0x56) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x1, 0x84) dup3(r2, r3, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r1, 0xc0f85403, &(0x7f0000000200)={{0x0, 0x0, 0x40, 0xd010bd56733356d3, 0xe354}, 0xcca, 0x0, 'id1\x00', 'timer1\x00', 0x0, 0x81, 0x6, 0xd440, 0x7}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000180)=[@in6={0xa, 0x4e22, 0xef, @ipv4={[], [], @multicast2}, 0x3}, @in={0x2, 0x4e22, @rand_addr=0x75}, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}, @in={0x2, 0x4e22, @multicast1}], 0x4c) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000000)={r4, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x6, 0x2, 0x3, 0x6, 0xff, 0x6c4, 0x7c, {r4, @in={{0x2, 0x4e23, @rand_addr=0x5}}, 0x6, 0x80000001, 0x5, 0xffffff80, 0x9}}, &(0x7f0000000040)=0xb0) ioctl$VIDIOC_G_SELECTION(r0, 0xc040565e, &(0x7f0000000000)={0x2, 0x103}) 05:51:36 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000040)=ANY=[@ANYPTR64], 0xff39) write$cgroup_pid(r1, &(0x7f0000000000), 0x10000000d) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r2, &(0x7f00000003c0)=""/4096, 0x56) getsockopt$bt_BT_RCVMTU(r2, 0x112, 0xd, &(0x7f0000000100)=0xfff, &(0x7f0000000180)=0x2) 05:51:36 executing program 1: writev(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3, 0x0, 0x0, 0x31f}, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0x40, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000080)={0x0, 0xa, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r1, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x5}}, {0xa, 0x0, 0x0, @rand_addr="faf0f7955c10bdb04a0000000002ff00"}, r2}}, 0x48) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(r0, &(0x7f0000000100)={0x4, 0x8, 0xfa00, {r2, 0x76f8}}, 0x10) open(0x0, 0x0, 0x10002) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r3, 0x0) write$P9_RWALK(r3, &(0x7f00000003c0)=ANY=[@ANYRES64], 0x8) r4 = perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x3, 0x0, 0xfffffff6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(0xffffffffffffffff, r4) ioctl$LOOP_SET_CAPACITY(r3, 0x4c07) 05:51:36 executing program 4: pipe(&(0x7f0000000080)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000080), 0x4) r1 = socket$netlink(0x10, 0x3, 0x0) setsockopt$sock_int(r1, 0x1, 0x8, 0x0, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/cuse\x00', 0x2842, 0x0) io_setup(0x1, &(0x7f0000000040)=0x0) io_submit(r3, 0x2, &(0x7f0000002600)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, 0x0, r2, 0x0}, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, r2, 0x0, 0xffffff81}]) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = syz_open_dev$swradio(&(0x7f0000000380)='/dev/swradio#\x00', 0x0, 0x2) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) sendmmsg$unix(r4, &(0x7f0000000400)=[{&(0x7f0000000100)=@abs={0x1, 0x0, 0x4e20}, 0x6e, &(0x7f0000000340)=[{&(0x7f0000000180)="ddadc7c40d29330c8d68a60776d4860f90aec19676d63391b00a766c788644cf80ed424ae1b6673949b5e5b8cb6f3ec1edf30abb2784f6ba5ee76c5bff502a9841c7266a57b292eb1d69fa96d37456e80269f07a0ee3e5d874ad88c6111a7e3cb3d472833e1444", 0x67}, {&(0x7f0000000000)="924007563271da192cffd39893f8d462a20f7c612bb74e7917b75fc7642c260749fda70b3bf071f0", 0x28}, {&(0x7f0000000240)="02234e6429c91edcb0dd59e99f6110d41dc733aa543fc8520b8f2a185453248385ac9a48921f466a8a03032f4332c42f44fdbebd75fbdf9310ccc5cddd1531b86674b9e9ebcc1bde44f378da3ac7ef6fb6ec10168c16eeed3b248cd67ee0d02e03526aa31220234182d1b96abef09ddbe0db56f0325152e19bf9e68ad1305405cf34ef2451fb7f1ab759f573f25a38ac8b843b16ec146feb04d2012da098dc1654a84693847034d7b9fff7b6fb8915f7088161136a7fd9d018cacf09efef", 0xbe}], 0x3, &(0x7f00000003c0)=[@rights={{0x28, 0x1, 0x1, [r5, r6, r2, r7, r0, r8]}}], 0x28, 0x20000000}], 0x1, 0x800) 05:51:36 executing program 2: kcmp(0x0, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x83, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000016000/0x18000)=nil, &(0x7f0000000100)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x41c041, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000500)={{{@in6=@mcast1, @in6=@ipv4={[], [], @remote}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@local}}, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x28100) socket$inet_udp(0x2, 0x2, 0x0) socket$pptp(0x18, 0x1, 0x2) r5 = open(0x0, 0x0, 0x0) getdents64(r5, 0x0, 0x600) socket$xdp(0x2c, 0x3, 0x0) r6 = open(0x0, 0x0, 0x0) getdents64(r6, 0x0, 0x600) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240), 0x0) r7 = syz_open_procfs(0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) lstat(&(0x7f0000000080)='./control\x00', &(0x7f0000000180)) r8 = getpid() sendmsg$netlink(r7, &(0x7f0000001900)={&(0x7f0000000000)=@kern={0x10, 0x0, 0x0, 0x40000000}, 0xc, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="2800000000000000010000000100", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB="000000001c00000000000000010000", @ANYRES32=0x0, @ANYRES32, @ANYRES32, @ANYBLOB="0000000002000000fcbead352f784a2e202be648e7732a937368b4b9de36efe450331264d73593745b4133f52f02cd77f38615a0bbd767b45a21f18df7b2fe37ca7fbc7821e4", @ANYRES32, @ANYRES32, @ANYBLOB="000000001c0000000000", @ANYRES32, @ANYBLOB, @ANYBLOB, @ANYRES32=0x0, @ANYBLOB="000000001400", @ANYRES32, @ANYBLOB, @ANYRES32=r8, @ANYRES32], 0x81, 0x4040040}, 0x4000000) r9 = getpid() ptrace(0x4206, r9) ptrace$setregs(0xd, r9, 0x0, &(0x7f0000000000)) ptrace$getregset(0x4205, r9, 0x2, &(0x7f0000000000)={0x0}) r10 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r10, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r11) lstat(&(0x7f0000000800)='./file0\x00', &(0x7f0000000840)) r12 = getpid() rt_tgsigqueueinfo(r12, r12, 0x16, &(0x7f0000000240)={0x0, 0x20000}) ptrace$setregs(0xd, r12, 0x0, &(0x7f0000000000)) ptrace$setregs(0xf, r12, 0x0, &(0x7f0000000140)) ptrace$getregset(0x4205, r12, 0x2, &(0x7f0000000000)={0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000280)) r13 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents64(r13, 0x0, 0x600) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) r14 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents64(r14, 0x0, 0x600) getresuid(&(0x7f0000000d00), &(0x7f0000000d40), 0x0) r15 = getegid() setuid(0x0) quotactl(0x6, &(0x7f0000000000)='\x00', 0x0, &(0x7f0000000040)="3d487bd38388c47e6523bd77099abc8e830f8bdbe7de36a7ce75c64a8d48b27a1cbfd43af29d5c174d7051428dc1f79362c961aa517255b21005159cbb261b4d06c0b1d843862cc69efa693751d4491b42bde46e515c9ea7e84e3ea2a7b748236a1b600c9b61c7ae8aaec1b70f7381271a1f540b06f967f664dff086aa248700da5f3a5470effc08199b1aa448c5ec4fd636e0f4ceda669d6945b50b362fbebef4c981b2c952d4ff14a6964359cf9a35c43884d10c2dae7a4b82fd14eca7c99f16acfa8cd0c8017cd3ef80bca8a0") write$P9_RSTATu(0xffffffffffffffff, &(0x7f0000000640)={0xab, 0x7d, 0x1, {{0x0, 0x91, 0x7, 0x1f, {0x2}, 0x2e080000, 0xe8e8, 0x81, 0x2, 0xa, '/dev/full\x00', 0x6, 'nodev\\', 0x1a, 'nodevcgrouptrustedsecurity', 0x34, 'vboxnet1-@trustedproc]procmd5sumwlan0{userbdevmd5sum'}, 0x5, 'IPVS\x00', r4, r15}}, 0xab) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f00000001c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000fb], 0x0, 0x205211}) r16 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x4000, 0x0) r17 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r16, &(0x7f0000000400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="063c9b076fb5b6a56bb695fe7680b70f000100", @ANYRES16=r17, @ANYBLOB="200029bd7000ffdbdf250b000000140003000800040001000000080007004e2300000800040000000100080005000000000040000100080009005f000000080001000a00000014000300ac1414bb000000000000000000000000080009000c000000080006006e7100000800050004000000"], 0x78}, 0x1, 0x0, 0x0, 0x4040c9e}, 0x48000) write$vhci(r16, &(0x7f0000000140)=@HCI_VENDOR_PKT={0xff, 0x80}, 0x2) ioctl$KVM_RUN(r3, 0xae80, 0x0) dup(0xffffffffffffffff) 05:51:36 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x20000000021) r1 = socket$packet(0x11, 0x3, 0x300) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(0x0, 0x0, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000001440)={0x0, 0x3}, 0x4) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r2) ioctl$KVM_ASSIGN_DEV_IRQ(r2, 0x4040ae70, &(0x7f0000000000)={0x89a, 0x3, 0x5, 0x5}) sendto$inet6(r0, &(0x7f0000000000), 0xff77, 0x0, 0x0, 0x4d97) 05:51:36 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0xfffffffd, 0x3}, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f00000001c0)='./bus\x00', 0x141042, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x0, 0x0) r2 = dup(0xffffffffffffffff) ioctl$KVM_SMI(r2, 0xaeb7) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r3) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r4, &(0x7f00000003c0)=""/4096, 0x56) r5 = openat$smack_thread_current(0xffffffffffffff9c, &(0x7f0000000340)='/proc/thread-self/attr/current\x00', 0x2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f00000003c0)={0x0, 0x9, 0x8, 0x0, 0x0, [{0xffffffffffffffff, 0x0, 0x7fff}, {0xffffffffffffffff, 0x0, 0x4}, {r3, 0x0, 0x68519daf}, {r4, 0x0, 0x2370000000000000}, {}, {r5, 0x0, 0x6}, {r6, 0x0, 0x1}, {0xffffffffffffffff, 0x0, 0x80000001}]}) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r2, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80140000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x3c, r7, 0xda01f95c8a36010a, 0x70bd27, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd03}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8000}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x10000) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0) write$P9_RREADLINK(r1, &(0x7f0000000580)=ANY=[@ANYBLOB="a7724bdef64346bc14b7b0f781c1d3abf9d1a51c4bfce1e77551a8bd678625df0830020000291500"], 0x28) sendfile(r1, r1, &(0x7f0000000000), 0x8080fffffffe) 05:51:37 executing program 5: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x4031, 0xffffffffffffffff, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x8c01, 0x0) ioctl$VIDIOC_LOG_STATUS(r0, 0x5646, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x10000) 05:51:37 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x222}, 0x48) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r2) setsockopt$inet_tcp_int(r2, 0x6, 0x1, &(0x7f00000001c0)=0xfff, 0x4) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x18000000000002a0, 0xe80, 0x0, &(0x7f00000000c0)="b9ff03c6630d698cb89e0bf088ca1fffffff0e000000630277fbac14140ce0", 0x0, 0x9}, 0x28) r4 = socket$inet(0x2, 0x4000000805, 0x0) r5 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r4, r5, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r5, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f0000000000)={r6, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r3, 0x84, 0x6f, &(0x7f0000000100)={r6, 0xac, &(0x7f0000000280)=[@in6={0xa, 0x4e22, 0x8, @loopback, 0xfffffe00}, @in6={0xa, 0x4e23, 0x30000000, @dev={0xfe, 0x80, [], 0x24}, 0x3}, @in6={0xa, 0x4e22, 0xffffc371, @mcast2, 0xfffffff7}, @in={0x2, 0x4e21, @initdev={0xac, 0x1e, 0x0, 0x0}}, @in6={0xa, 0x4e21, 0x3, @mcast2, 0x3f}, @in={0x2, 0x4e23, @broadcast}, @in6={0xa, 0x4e24, 0x6, @ipv4={[], [], @multicast1}, 0x81}]}, &(0x7f0000000140)=0x10) r7 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r7, &(0x7f00000003c0)=""/4096, 0x56) ioctl$UFFDIO_WAKE(r7, 0x8010aa02, &(0x7f0000000040)={&(0x7f0000fff000/0x1000)=nil, 0x1000}) [ 203.670142][ T8766] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 17) [ 203.679536][ T8766] FAT-fs (loop1): Filesystem has been set read-only [ 203.687854][ T8766] FAT-fs (loop1): error, fat_free: invalid cluster chain (i_pos 17) [ 203.697214][ T8777] mmap: syz-executor.5 (8777) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. 05:51:37 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0xfffffffd, 0x3}, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f00000001c0)='./bus\x00', 0x141042, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x0, 0x0) r2 = dup(0xffffffffffffffff) ioctl$KVM_SMI(r2, 0xaeb7) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r3) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r4, &(0x7f00000003c0)=""/4096, 0x56) r5 = openat$smack_thread_current(0xffffffffffffff9c, &(0x7f0000000340)='/proc/thread-self/attr/current\x00', 0x2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f00000003c0)={0x0, 0x9, 0x8, 0x0, 0x0, [{0xffffffffffffffff, 0x0, 0x7fff}, {0xffffffffffffffff, 0x0, 0x4}, {r3, 0x0, 0x68519daf}, {r4, 0x0, 0x2370000000000000}, {}, {r5, 0x0, 0x6}, {r6, 0x0, 0x1}, {0xffffffffffffffff, 0x0, 0x80000001}]}) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r2, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80140000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x3c, r7, 0xda01f95c8a36010a, 0x70bd27, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd03}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8000}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x10000) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0) write$P9_RREADLINK(r1, &(0x7f0000000580)=ANY=[@ANYBLOB="a7724bdef64346bc14b7b0f781c1d3abf9d1a51c4bfce1e77551a8bd678625df0830020000291500"], 0x28) sendfile(r1, r1, &(0x7f0000000000), 0x8080fffffffe) 05:51:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0xfffffffd, 0x3}, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f00000001c0)='./bus\x00', 0x141042, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x0, 0x0) r2 = dup(0xffffffffffffffff) ioctl$KVM_SMI(r2, 0xaeb7) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r3) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r4, &(0x7f00000003c0)=""/4096, 0x56) r5 = openat$smack_thread_current(0xffffffffffffff9c, &(0x7f0000000340)='/proc/thread-self/attr/current\x00', 0x2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f00000003c0)={0x0, 0x9, 0x8, 0x0, 0x0, [{0xffffffffffffffff, 0x0, 0x7fff}, {0xffffffffffffffff, 0x0, 0x4}, {r3, 0x0, 0x68519daf}, {r4, 0x0, 0x2370000000000000}, {}, {r5, 0x0, 0x6}, {r6, 0x0, 0x1}, {0xffffffffffffffff, 0x0, 0x80000001}]}) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r2, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80140000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0x3c, r7, 0xda01f95c8a36010a, 0x70bd27, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xd03}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8000}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x10000) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0) write$P9_RREADLINK(r1, &(0x7f0000000580)=ANY=[@ANYBLOB="a7724bdef64346bc14b7b0f781c1d3abf9d1a51c4bfce1e77551a8bd678625df0830020000291500"], 0x28) sendfile(r1, r1, &(0x7f0000000000), 0x8080fffffffe) 05:51:38 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=@newlink={0x30, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8}, @IFLA_CARRIER_CHANGES={0x1e7, 0x23, 0x81}]}, 0x30}}, 0x40) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r1) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_UDP_GET_REMOTEIP(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x90, r2, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@TIPC_NLA_NODE={0x14, 0x6, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x448}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x401}]}, @TIPC_NLA_MON={0x54, 0x9, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0xd1b}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x7}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x3}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x3}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x4}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x7ff}, @TIPC_NLA_MON_REF={0x8, 0x2, 0xfff}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x3f}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x7}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x199e}]}, @TIPC_NLA_MON={0x14, 0x9, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x1}, @TIPC_NLA_MON_REF={0x8, 0x2, 0xa02f}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x801}, 0x40000) 05:51:38 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x2040400) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x83, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000016000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs(0xffffffffffffffff, 0x0) readv(0xffffffffffffffff, &(0x7f0000000040), 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000000)={0x1, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TCSETS(0xffffffffffffffff, 0x40045431, 0x0) r1 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x2a, &(0x7f0000000180)={0x0, {{0x2, 0x4e24}}}, 0x88) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) r3 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) mount$fuse(0x0, &(0x7f0000000140)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f00000001c0)='fuse\x00', 0x0, &(0x7f0000000480)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r3, @ANYBLOB=',rootmode=00000000000000000120000,user_id=', @ANYRESDEC=0x0, @ANYBLOB="2c67890f083e8738bfa7dcd5346de2d940b6", @ANYRESDEC=0x0, @ANYBLOB="2c626c6b73697a653d307830303030183e356181873030303030303030303030302cdd"]) ioctl$sock_ifreq(r2, 0x8991, &(0x7f00000000c0)={'bond0\x00\x16\b\xea\xff\xff\x80\x00\x06\x02\xff', @ifru_names='bond_slave_1\x00t\x00'}) ioctl$sock_ifreq(r2, 0x8990, &(0x7f0000000240)={'bond0\x00\xe1\x03\f\x00!!\x00\x01\x00\x01', @ifru_names='bond_slave_1\x00\x00\x00\b'}) 05:51:38 executing program 0: r0 = socket$inet6(0xa, 0x8000000000001, 0x8010000000000084) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x4e21, 0x0, @loopback}, 0x60) socketpair$unix(0x1, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r4 = inotify_init() inotify_add_watch(r4, &(0x7f00000000c0)='.\x00', 0x1) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r5, 0x800442d3, 0x0) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r4, &(0x7f0000000100)={0x1}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, 0x0, 0x0) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000300)=0x100000001) ftruncate(r6, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)) lstat(&(0x7f0000000280)='./file0\x00', 0x0) r7 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r7, &(0x7f00000003c0)=""/4096, 0x56) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r7, 0x28, 0x6, &(0x7f0000000140)={0x0, 0x7530}, 0x10) r8 = socket$inet6(0xa, 0x3, 0x200000000000007) ioctl$sock_inet_SIOCSIFFLAGS(r8, 0x8914, &(0x7f0000000040)={'bridge0\x00h\x00\x01\xd8\x00a\x00'}) 05:51:38 executing program 5: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) add_key$keyring(&(0x7f0000000240)='keyring\x00', &(0x7f0000000280)={'\x02\xfb8', 0x2}, 0x0, 0x0, 0xfffffffffffffffb) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f00000000c0)='exofs\x00', 0x2004400, &(0x7f0000000080)='W\x80C2v_\x96\x8a\x11\xac.\xb4\xc7F\x16\x88\x10a\xfc\xca\x86\xb4[\xbd\xf0\xd3A\xc4\x1f}\xe9\x8c') llistxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000140)=""/241, 0xf1) [ 204.952323][ T8801] bridge0: port 2(bridge_slave_1) entered disabled state [ 204.960741][ T8801] bridge0: port 1(bridge_slave_0) entered disabled state [ 204.982393][ T8787] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 17) [ 204.991335][ T8787] FAT-fs (loop1): Filesystem has been set read-only [ 204.999315][ T8787] FAT-fs (loop1): error, fat_free: invalid cluster chain (i_pos 17) 05:51:38 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xb, 0x3, &(0x7f0000001fd8)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x11, 0xffffff9c}}, &(0x7f0000003ff6)='GPL\x02', 0x2, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x114}, 0x48) 05:51:39 executing program 1: r0 = socket(0x10, 0x2, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f0000000000)=[{0x20, 0x0, 0x0, 0xfffff038}, {0x6}]}, 0x10) sendmsg$TIPC_NL_NET_GET(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)={0x14, 0x0, 0xe770f37a08d5e66, 0x0, 0x4}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000340)=@get={0x1, &(0x7f00000002c0)=""/75, 0x7}) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x200000, 0x0) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r1, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x1c, 0x0, 0x20, 0x70bd2b, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20048585}, 0x10020080) ioctl$IMCLEAR_L2(r0, 0x80044946, &(0x7f0000000280)=0x80) fadvise64(r0, 0xfffffffffffffffe, 0x2, 0x0) 05:51:39 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept(0xffffffffffffffff, &(0x7f0000000ac0)=@in, &(0x7f0000000740)=0x80) getsockname$tipc(r0, &(0x7f0000000880)=@name, &(0x7f0000000b40)=0x10) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = shmget(0x1, 0x2000, 0x6f74ec1965c2642f, &(0x7f0000ffc000/0x2000)=nil) shmctl$IPC_INFO(r1, 0x3, &(0x7f0000000280)=""/121) socket$inet(0x2, 0x1, 0x0) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x80000000000002, &(0x7f00000005c0)=0x16c, 0x4) setsockopt$inet_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000780)={@in={{0x2, 0x0, @local}}, 0x0, 0x9, 0x2, "a77760f5a7645bc43c241d69912dda0c63c2a66726f8cfafd6c8fe2c98de7ba44947a79015f0fe57917cb62a93987a938fdedfce7bbba4fec2d8a09c41fb233245f2604b9e07b8ab79ec15ef2818a179"}, 0xd8) bind$inet(r2, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) syz_mount_image$ntfs(&(0x7f0000000000)='ntfs\x00', &(0x7f00000000c0)='./file0\x00', 0x9, 0xaaaaaaaaaaaab64, &(0x7f0000000900)=[{&(0x7f0000000300)="bf7fac677471dafc689272de0894f82f3bccb208e2569d6a444d567f7b762eb33247f4857d98d3591c0488f19af97e3aacadac0afb89f15e0409ebbef76cc238cbfb50eea727bef94fcacb35ffe782f5fa78660107945a684d029f45e1655f121b48c569addbe5cc30c012e75f6d8c46d1c5759cdc42348d84dc8ccc55fa30d16aaeed4c07dba992dbca860ea0fdf025291a16cc966f9bc4785fdf0d5e9095d2bb324e1b0e6e865212f7b2ba6c08476fec8f75aa0c49e8e482c76972a277cf9ffe2d5ec25cb0bc", 0xc7, 0x3}, {&(0x7f0000000400)="0dc2fa043ed6d0fcbe579c75845952e6b1621ff8c3a1a04edabd7591237081311e69f0a94a0d636ad17a8c737f68af1e80d9082f04405215bb24992c4bec4479b6c15f75f3acfe0cf8695bbd2cdd7adde6af1260297b0d393e02a7d500fbb2faf2362d0c7a393b1264b86112c21b57a739ce8d73452fba9956a105dcd4f2f5bddbd0afa2288c11c65dde98234e5b0d9ac31715005676376e48cb1bcfab5e2c50c89661137c92fef0090ed4eca06804923038484a2059230cc614c5f8f2ee4f3faee2", 0xc2, 0x3}, {&(0x7f0000000500)="bfafa824ca1febbdb4ee6367577082481e7ff75565b24070db89102a51eceec2ddfdb73f8c4d6155b9d55cdc433f4d611cd4e033069d28922ecf90de29ede56ad321aeb0de", 0x45, 0x2}, {&(0x7f0000000600)="0810b4a4a8f4d0cfd9759a0a39c0e3ede1e35f8120d023f630ec143f2d7585ab3a796915df460e504de29d2c9a849c947ec84889cf6da84f3665c3689db950770372d785ef12fa39eff2a21674b66fdef252aad0bd6d3d86f42076da2a6b8f4948604795bc60685033d4bf1548c3f5e74695573f20d71ae59f2876859a505c099dfeecc2c5710a0257f006caffe4c70839ccd4d88c18724e26d45b03fadd5698f92ad14a26135cde3b", 0xa9}, {&(0x7f00000006c0)="1be2156bcb1eb0b7ea5a117879ddf413578b8cbf94897bdd23b2a1e0b82c54656eebcaea96201f3c37cb12528c234f7ad82dd2baf29d0f9e9efad9a8277e4bf8b88673dbe6f960ac8900cdf9fdddbddde5059678", 0x54, 0x46c88dc}, {&(0x7f0000000100)="064078ac781c07d4de2e6a0b6dc66b0efffb506ab2931782dd623934832cbceb30b884614d98a6b0", 0x28, 0x8c00}, {&(0x7f0000000200)="850d123722a759f8728563a2f82648ff312e216496538bd6a405366d79117f402c67454e90ae08253fdfcad3b69d", 0x2e, 0x6}], 0x10000, &(0x7f0000000a40)=ANY=[@ANYBLOB="636173655f73656e7369746976653d6e6f2c6d66745f7a6f6e655f6d756c7469706c69723d30783030303030303030303030303039b670a7f2a2aca735e200080681241d3030312c6d6561737572652c00d8d6ebbe76b9f6b883ca9cdc33960665cc7d698793a8b49f9fe178c836e08edf3e00"]) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000140), 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0) recvmsg(r2, &(0x7f0000000240)={0x0, 0xfffffffffffffd83, &(0x7f0000000180)=[{&(0x7f0000003ac0)=""/4096, 0x5801}], 0x1}, 0x100) write$binfmt_elf64(r2, &(0x7f0000002300)=ANY=[@ANYRES64], 0x1000001bd) dup(r2) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000180)=0x74000000, 0x5) 05:51:39 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) keyctl$assume_authority(0x10, r5) 05:51:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:39 executing program 1: getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000000)) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x7}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x40000000) socket$inet6_sctp(0xa, 0x1, 0x84) [ 205.632950][ T8826] FAT-fs (loop5): Directory bread(block 513) failed [ 205.676143][ T8826] FAT-fs (loop5): Directory bread(block 514) failed [ 205.705834][ T8838] __ntfs_warning: 3 callbacks suppressed [ 205.705844][ T8838] ntfs: (device loop4): is_boot_sector_ntfs(): Invalid boot sector checksum. [ 205.725948][ T8826] FAT-fs (loop5): Directory bread(block 515) failed [ 205.771063][ T8826] FAT-fs (loop5): Directory bread(block 516) failed [ 205.827723][ T8826] FAT-fs (loop5): Directory bread(block 517) failed [ 205.859623][ T8826] FAT-fs (loop5): Directory bread(block 518) failed [ 205.873554][ T8826] FAT-fs (loop5): Directory bread(block 519) failed [ 205.885753][ T8847] IPVS: ftp: loaded support on port[0] = 21 [ 205.890922][ T8838] ntfs: (device loop4): read_ntfs_boot_sector(): Primary boot sector is invalid. [ 205.903636][ T8826] FAT-fs (loop5): Directory bread(block 520) failed [ 205.931907][ T8826] FAT-fs (loop5): Directory bread(block 521) failed [ 205.971097][ T8838] ntfs: (device loop4): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. [ 205.989041][ T8826] FAT-fs (loop5): Directory bread(block 522) failed [ 206.021300][ T8853] block nbd2: Receive control failed (result -22) [ 206.108576][ T8838] ntfs: (device loop4): ntfs_fill_super(): Not an NTFS volume. 05:51:40 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) keyctl$assume_authority(0x10, r5) [ 206.379594][ T8795] bond0: (slave bond_slave_1): Releasing backup interface 05:51:40 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) keyctl$assume_authority(0x10, r5) 05:51:40 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept(0xffffffffffffffff, &(0x7f0000000ac0)=@in, &(0x7f0000000740)=0x80) getsockname$tipc(r0, &(0x7f0000000880)=@name, &(0x7f0000000b40)=0x10) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = shmget(0x1, 0x2000, 0x6f74ec1965c2642f, &(0x7f0000ffc000/0x2000)=nil) shmctl$IPC_INFO(r1, 0x3, &(0x7f0000000280)=""/121) socket$inet(0x2, 0x1, 0x0) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x80000000000002, &(0x7f00000005c0)=0x16c, 0x4) setsockopt$inet_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000780)={@in={{0x2, 0x0, @local}}, 0x0, 0x9, 0x2, "a77760f5a7645bc43c241d69912dda0c63c2a66726f8cfafd6c8fe2c98de7ba44947a79015f0fe57917cb62a93987a938fdedfce7bbba4fec2d8a09c41fb233245f2604b9e07b8ab79ec15ef2818a179"}, 0xd8) bind$inet(r2, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) syz_mount_image$ntfs(&(0x7f0000000000)='ntfs\x00', &(0x7f00000000c0)='./file0\x00', 0x9, 0xaaaaaaaaaaaab64, &(0x7f0000000900)=[{&(0x7f0000000300)="bf7fac677471dafc689272de0894f82f3bccb208e2569d6a444d567f7b762eb33247f4857d98d3591c0488f19af97e3aacadac0afb89f15e0409ebbef76cc238cbfb50eea727bef94fcacb35ffe782f5fa78660107945a684d029f45e1655f121b48c569addbe5cc30c012e75f6d8c46d1c5759cdc42348d84dc8ccc55fa30d16aaeed4c07dba992dbca860ea0fdf025291a16cc966f9bc4785fdf0d5e9095d2bb324e1b0e6e865212f7b2ba6c08476fec8f75aa0c49e8e482c76972a277cf9ffe2d5ec25cb0bc", 0xc7, 0x3}, {&(0x7f0000000400)="0dc2fa043ed6d0fcbe579c75845952e6b1621ff8c3a1a04edabd7591237081311e69f0a94a0d636ad17a8c737f68af1e80d9082f04405215bb24992c4bec4479b6c15f75f3acfe0cf8695bbd2cdd7adde6af1260297b0d393e02a7d500fbb2faf2362d0c7a393b1264b86112c21b57a739ce8d73452fba9956a105dcd4f2f5bddbd0afa2288c11c65dde98234e5b0d9ac31715005676376e48cb1bcfab5e2c50c89661137c92fef0090ed4eca06804923038484a2059230cc614c5f8f2ee4f3faee2", 0xc2, 0x3}, {&(0x7f0000000500)="bfafa824ca1febbdb4ee6367577082481e7ff75565b24070db89102a51eceec2ddfdb73f8c4d6155b9d55cdc433f4d611cd4e033069d28922ecf90de29ede56ad321aeb0de", 0x45, 0x2}, {&(0x7f0000000600)="0810b4a4a8f4d0cfd9759a0a39c0e3ede1e35f8120d023f630ec143f2d7585ab3a796915df460e504de29d2c9a849c947ec84889cf6da84f3665c3689db950770372d785ef12fa39eff2a21674b66fdef252aad0bd6d3d86f42076da2a6b8f4948604795bc60685033d4bf1548c3f5e74695573f20d71ae59f2876859a505c099dfeecc2c5710a0257f006caffe4c70839ccd4d88c18724e26d45b03fadd5698f92ad14a26135cde3b", 0xa9}, {&(0x7f00000006c0)="1be2156bcb1eb0b7ea5a117879ddf413578b8cbf94897bdd23b2a1e0b82c54656eebcaea96201f3c37cb12528c234f7ad82dd2baf29d0f9e9efad9a8277e4bf8b88673dbe6f960ac8900cdf9fdddbddde5059678", 0x54, 0x46c88dc}, {&(0x7f0000000100)="064078ac781c07d4de2e6a0b6dc66b0efffb506ab2931782dd623934832cbceb30b884614d98a6b0", 0x28, 0x8c00}, {&(0x7f0000000200)="850d123722a759f8728563a2f82648ff312e216496538bd6a405366d79117f402c67454e90ae08253fdfcad3b69d", 0x2e, 0x6}], 0x10000, &(0x7f0000000a40)=ANY=[@ANYBLOB="636173655f73656e7369746976653d6e6f2c6d66745f7a6f6e655f6d756c7469706c69723d30783030303030303030303030303039b670a7f2a2aca735e200080681241d3030312c6d6561737572652c00d8d6ebbe76b9f6b883ca9cdc33960665cc7d698793a8b49f9fe178c836e08edf3e00"]) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000140), 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0) recvmsg(r2, &(0x7f0000000240)={0x0, 0xfffffffffffffd83, &(0x7f0000000180)=[{&(0x7f0000003ac0)=""/4096, 0x5801}], 0x1}, 0x100) write$binfmt_elf64(r2, &(0x7f0000002300)=ANY=[@ANYRES64], 0x1000001bd) dup(r2) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000180)=0x74000000, 0x5) [ 206.582636][ T8848] IPVS: ftp: loaded support on port[0] = 21 [ 206.685257][ T8865] FAT-fs (loop5): Directory bread(block 513) failed [ 206.713007][ T8865] FAT-fs (loop5): Directory bread(block 514) failed [ 206.748901][ T8865] FAT-fs (loop5): Directory bread(block 515) failed [ 206.761735][ T8865] FAT-fs (loop5): Directory bread(block 516) failed [ 206.773950][ T8865] FAT-fs (loop5): Directory bread(block 517) failed [ 206.783953][ T8865] FAT-fs (loop5): Directory bread(block 518) failed [ 206.802182][ T8865] FAT-fs (loop5): Directory bread(block 519) failed [ 206.811921][ T8865] FAT-fs (loop5): Directory bread(block 520) failed [ 206.826083][ T8865] FAT-fs (loop5): Directory bread(block 521) failed [ 206.833391][ T8865] FAT-fs (loop5): Directory bread(block 522) failed [ 207.689429][ T8872] ntfs: (device loop4): is_boot_sector_ntfs(): Invalid boot sector checksum. [ 207.729497][ T8872] ntfs: (device loop4): read_ntfs_boot_sector(): Primary boot sector is invalid. [ 207.749393][ T8872] ntfs: (device loop4): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. [ 207.769887][ T8872] ntfs: (device loop4): ntfs_fill_super(): Not an NTFS volume. [ 207.882363][ T8814] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 207.896065][ T8833] block nbd2: shutting down sockets 05:51:41 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x103, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r1, &(0x7f00000003c0)=""/4096, 0x56) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000180)=""/24) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000400)={0x0, r0, 0x0, 0x1, &(0x7f00000003c0)='\x00'}, 0x30) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000080)=0xbdc3) r2 = socket$inet6(0xa, 0x3, 0x1) setsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@dev, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x0, 0x33}, 0x0, @in6=@local, 0x0, 0x0, 0x0, 0x6, 0xfffffffd}}, 0xe8) r3 = gettid() r4 = gettid() ptrace$setopts(0x4206, r4, 0x0, 0x0) tkill(r4, 0x40) ptrace$cont(0x18, r4, 0x0, 0x0) ptrace$setregs(0xd, r4, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r4, 0x0, 0x0) r5 = gettid() ptrace$setopts(0x4206, r5, 0x0, 0x0) tkill(r5, 0x40) ptrace$cont(0x18, r5, 0x0, 0x0) ptrace$setregs(0xd, r5, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r5, 0x0, 0x0) ptrace$setopts(0x4200, r5, 0x200003, 0x0) tkill(r3, 0x40) ptrace$cont(0x18, r3, 0x0, 0x0) ptrace$setregs(0xd, r3, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r3, 0x0, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={r3, 0xffffffffffffffff, 0x0, 0xe, &(0x7f00000001c0)='system.advise\x00', 0xffffffffffffffff}, 0x30) connect$inet6(r2, &(0x7f0000000200)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg(r2, &(0x7f0000007e00), 0x400000000000058, 0x0) r6 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r6, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=ANY=[@ANYBLOB="0207000902000000000000000000000092e7ef700021475a2adeaf3e4301889c91de072b67845e1a9daa204ac1c96f47fbea02d3869fceed860e6c97da3254b1cad7cb694664a56d53e150ce9f992673000000000000007e434dd334c740ed6ecaf67bf3626c2c892ad223dc94781e84c8fcae4547822f088407759a41d340000000000000000ac96fc9a04eccb19adc59ba6fafdeac32445119ada8afd12dbc2b805c5339be4c202b0ff1deb2ecbb6aaa3a4b1905e66f705b295da1e63bfe4f1b3574709269ef61022262e27d0ffc687633d226c14c829140a53e5cc3dc31da8a0ed1dbd75d2973dc204acbb4a381ef7c9c30d285184299e4d73752e04fc336f23939842101638a704c4030d40c4c175091f4b7683f771fe3f11274e5d0ff9c9b5297de5a2ad9ff1668c62218381c"], 0x10}}, 0x0) lsetxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=@known='system.advise\x00', &(0x7f0000000140)='bridge_slave_1\x00', 0xf, 0x2) 05:51:41 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) keyctl$assume_authority(0x10, r5) 05:51:41 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x22c00, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r3, &(0x7f00000003c0)=""/4096, 0x56) setsockopt$inet_sctp6_SCTP_INITMSG(r3, 0x84, 0x2, &(0x7f0000000100)={0x6, 0x9d6f}, 0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f000079efe0)={0x9}, 0x20) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f00001a7fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) r4 = socket$inet(0x2, 0x4000000805, 0x0) r5 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r4, r5, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r5, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f0000000000)={r6, 0x9, 0x8, 0x3}, 0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000000140)={0xd10, 0x2, 0x4, 0x0, r6}, 0x10) sendto$inet6(r1, &(0x7f0000aaff09)="b8", 0x2465a, 0x0, &(0x7f0000ab0000)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000040)=0x1ff, 0x4) sendmmsg(r1, &(0x7f0000004d80)=[{{0x0, 0x0, &(0x7f0000000340)}}], 0x1, 0x800) 05:51:41 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = inotify_init() inotify_add_watch(r1, &(0x7f00000000c0)='.\x00', 0x1) r2 = dup2(r0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000bc0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r4, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f0000000000)=[{0x2000000000040, 0x4}, {0x6, 0x0, 0x3}]}, 0x10) sendmmsg(r3, &(0x7f0000003040), 0x40000000000046b, 0x0) r5 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r5) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r5, 0xc0a85352, &(0x7f0000000100)={{0x9, 0xc4}, 'port1\x00', 0x21, 0x40000, 0x20, 0x4, 0x80, 0x7f, 0xfff, 0x0, 0x0, 0x2}) syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') [ 208.035627][ T8853] block nbd2: Receive control failed (result -22) [ 208.040251][ T8840] block nbd2: shutting down sockets 05:51:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:42 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) 05:51:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) [ 208.484375][ T8853] block nbd2: Receive control failed (result -22) [ 208.537919][ T8853] block nbd3: Receive control failed (result -22) [ 208.690565][ T8899] block nbd2: shutting down sockets [ 208.794869][ T8853] block nbd0: Receive control failed (result -22) [ 208.867691][ T8903] block nbd3: shutting down sockets [ 208.962725][ T8912] block nbd0: shutting down sockets 05:51:44 executing program 1: getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000000)) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x7}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x40000000) socket$inet6_sctp(0xa, 0x1, 0x84) 05:51:44 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x103, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r1, &(0x7f00000003c0)=""/4096, 0x56) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000180)=""/24) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000400)={0x0, r0, 0x0, 0x1, &(0x7f00000003c0)='\x00'}, 0x30) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000080)=0xbdc3) r2 = socket$inet6(0xa, 0x3, 0x1) setsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@dev, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x0, 0x33}, 0x0, @in6=@local, 0x0, 0x0, 0x0, 0x6, 0xfffffffd}}, 0xe8) r3 = gettid() r4 = gettid() ptrace$setopts(0x4206, r4, 0x0, 0x0) tkill(r4, 0x40) ptrace$cont(0x18, r4, 0x0, 0x0) ptrace$setregs(0xd, r4, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r4, 0x0, 0x0) r5 = gettid() ptrace$setopts(0x4206, r5, 0x0, 0x0) tkill(r5, 0x40) ptrace$cont(0x18, r5, 0x0, 0x0) ptrace$setregs(0xd, r5, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r5, 0x0, 0x0) ptrace$setopts(0x4200, r5, 0x200003, 0x0) tkill(r3, 0x40) ptrace$cont(0x18, r3, 0x0, 0x0) ptrace$setregs(0xd, r3, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r3, 0x0, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={r3, 0xffffffffffffffff, 0x0, 0xe, &(0x7f00000001c0)='system.advise\x00', 0xffffffffffffffff}, 0x30) connect$inet6(r2, &(0x7f0000000200)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg(r2, &(0x7f0000007e00), 0x400000000000058, 0x0) r6 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r6, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x10}}, 0x0) lsetxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=@known='system.advise\x00', &(0x7f0000000140)='bridge_slave_1\x00', 0xf, 0x2) 05:51:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:44 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) [ 210.292604][ T8853] block nbd0: Receive control failed (result -22) [ 210.295700][ T8937] FAT-fs (loop5): Directory bread(block 513) failed [ 210.374275][ T8853] block nbd3: Receive control failed (result -22) [ 210.414333][ T8937] FAT-fs (loop5): Directory bread(block 514) failed [ 210.452928][ T8937] FAT-fs (loop5): Directory bread(block 515) failed [ 210.457757][ T8925] block nbd2: shutting down sockets [ 210.467919][ T8937] FAT-fs (loop5): Directory bread(block 516) failed [ 210.476864][ T8935] IPVS: ftp: loaded support on port[0] = 21 [ 210.489833][ T8937] FAT-fs (loop5): Directory bread(block 517) failed [ 210.513845][ T8937] FAT-fs (loop5): Directory bread(block 518) failed [ 210.535505][ T8937] FAT-fs (loop5): Directory bread(block 519) failed 05:51:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) [ 210.574664][ T8937] FAT-fs (loop5): Directory bread(block 520) failed [ 210.588813][ T8937] FAT-fs (loop5): Directory bread(block 521) failed [ 210.616057][ T8937] FAT-fs (loop5): Directory bread(block 522) failed 05:51:44 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r1, &(0x7f00000003c0)=""/4096, 0x56) ioctl$NS_GET_OWNER_UID(r1, 0xb704, &(0x7f0000000000)=0x0) r3 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xa) setregid(r4, 0xee00) ioctl$TIOCSPTLCK(r1, 0x40045431, &(0x7f0000000200)) setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040)={0xffffffffffffffff, r2, r4}, 0xc) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0x0, 0x0) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000002900)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) r8 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0x7ff, 0x10000) sendmsg$NET_DM_CMD_START(r8, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x21004230}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x0, 0x400, 0x70bd2a, 0x25dfdbfd, {}, ["", "", "", "", "", "", ""]}, 0x14}}, 0x4) close(r5) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r9 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r5, r9, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0xffffff0b, 0x0, 0x0, 0x0) 05:51:44 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) [ 210.785764][ T8926] block nbd3: shutting down sockets [ 210.791364][ T8853] block nbd2: Receive control failed (result -22) 05:51:44 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getpgrp(0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) r1 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20ncci\x00', 0x101000, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) creat(0x0, 0x0) syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f00000000c0)='./bus\x00', 0x0, 0x0, 0x0, 0x200000, &(0x7f0000000240)=ANY=[@ANYBLOB="73657373696f4e3d30783030303030303030303030918c0623652c6d61703d6f66662c736d61736b66736465663d2f6465762f7377726164696f23002c00"]) syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) [ 210.898081][ T8929] block nbd0: shutting down sockets 05:51:44 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:51:44 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r1) ioctl$EVIOCSKEYCODE(r1, 0x40084504, &(0x7f0000000040)=[0x4, 0x8]) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r2) setsockopt$TIPC_DEST_DROPPABLE(r2, 0x10f, 0x81, &(0x7f00000001c0)=0x10000, 0x4) ioctl$KVM_HYPERV_EVENTFD(r0, 0x4018aebd, &(0x7f0000000180)={0x2, r1, 0x1}) write$FUSE_INIT(0xffffffffffffffff, 0x0, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) sendto$isdn(r0, &(0x7f0000000200)={0xaed, 0x5, "8bcef6bc7801dfd3fc94964d83407144f1119b462e5ef140716281baf199c88d0459d3a1d7d365b9ff1d33686f1640334f5cb2a3e350fcce9a53e892f16370262697d5e8103ee2d49a7d6cd363bb2ce97a0d6f90d34f7c3f2d340ed58a7747fbec273c05c7fdca430f1ca7588047fe81b41c4f85975358942a087d7b80fef30a3414ccee68c1b4a250f86500a367b1"}, 0x97, 0x4000, &(0x7f00000002c0)={0x22, 0x5f, 0x3, 0x8, 0x2a}, 0x6) bind$alg(r3, &(0x7f0000000300)={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(cbc-serpent-avx2,blake2b-160-generic)\x00'}, 0xfffffffffffffd5d) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') ioctl$IOC_PR_PREEMPT_ABORT(r4, 0x401870cc, &(0x7f0000000080)={0x2, 0x6, 0x2, 0x7fff}) r5 = accept4(r3, 0x0, 0x0, 0x0) sendmmsg(r5, &(0x7f0000006f40)=[{{&(0x7f00000000c0)=@hci, 0x80, 0x0}}, {{&(0x7f0000001340)=@hci, 0x80, 0x0}}], 0x568, 0x0) [ 211.150213][ T8947] block nbd2: shutting down sockets 05:51:48 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) 05:51:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000100)={r10, 0x4, 0x83f0450cb9a522cd}, 0xc) 05:51:48 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000001c0)={r5, r4, r5}, &(0x7f0000000240)=""/112, 0x70, &(0x7f0000000580)={&(0x7f0000000040)={'sha256-generic\x00'}}) 05:51:48 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:51:48 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0xf, 0x0, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e5b000)={0x2, 0x4e20, @multicast1}, 0x10) connect$inet(r0, &(0x7f0000ccb000)={0x2, 0x4e20}, 0x10) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, 0x0) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x14, 0x0, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, &(0x7f0000000580)) syz_open_procfs(0xffffffffffffffff, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ptmx\x00', 0x0, 0x0) dup3(0xffffffffffffffff, r2, 0x0) ioctl$DRM_IOCTL_AUTH_MAGIC(0xffffffffffffffff, 0x40046411, &(0x7f0000000140)) openat$pfkey(0xffffffffffffff9c, 0x0, 0x55644a70bcca0aec, 0x0) close(0xffffffffffffffff) 05:51:48 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='9\x94\x01\x15\xa4\xd3\xdb{X\x03', 0x0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0xd23e41, 0x0) r2 = socket(0x1e, 0x805, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="eeb68ab90c15c59b44e815d29d84ac6e9c905dedff0f1fad51ed29", @ANYRES32=0x0], &(0x7f000095dffc)=0x42) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000240)={r4}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={r4, @in={{0x2, 0x4e23, @initdev={0xac, 0x1e, 0x81, 0x0}}}, 0x101, 0x7, 0x80000000, 0x0, 0xa6}, 0x0) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, 0x0) write$P9_RWRITE(0xffffffffffffffff, &(0x7f0000000000)={0xb, 0x77, 0x2, 0x8}, 0xb) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r5 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r5, &(0x7f00000003c0)=""/4096, 0x56) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000500)=0xc) ptrace$setopts(0x7abb990919170921, r6, 0x10001, 0x111) ioctl$KVM_GET_LAPIC(r1, 0x8400ae8e, &(0x7f0000000a00)={"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"}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x200}}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) lsetxattr$security_selinux(&(0x7f0000000880)='./file0\x00', &(0x7f0000000400)='security.selinux\x00', &(0x7f0000000900)='system_u:obj\x0f\xae\xc4\x1ds:auditctl_dxec_t:s0\x00', 0x25, 0x0) r7 = getpgrp(0x0) setpriority(0x0, r7, 0x100) read(r0, &(0x7f0000000340)=""/175, 0xaf) ioctl$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x800442d2, &(0x7f00000000c0)={0x0, 0x0}) r8 = syz_open_dev$loop(&(0x7f00000005c0)='/dev/\xc3Hop#\x00', 0x0, 0x80000) r9 = gettid() kcmp(r9, 0x0, 0x0, 0xffffffffffffffff, r8) r10 = gettid() prctl$PR_SET_PTRACER(0x59616d61, r10) r11 = socket(0x2, 0x1, 0xc5) setsockopt$netlink_NETLINK_TX_RING(r11, 0x10e, 0x7, 0x0, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x0) syz_open_dev$loop(&(0x7f00000005c0)='/dev/loop#\x00', 0x0, 0x182) gettid() syz_open_dev$loop(0x0, 0x0, 0x182) setpgid(0x0, 0xffffffffffffffff) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) clone(0xa64116fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000480)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000600)='(\xe0\xf5\x00', &(0x7f0000000680)='/dev/loop#\x00', &(0x7f0000000700)='system\x00', &(0x7f0000000740)='\x00', &(0x7f00000007c0)='\x00'], &(0x7f0000000780)) [ 214.331055][ T8997] FAT-fs (loop2): Directory bread(block 513) failed [ 214.362344][ T8991] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 214.383335][ T8997] FAT-fs (loop2): Directory bread(block 514) failed [ 214.410391][ T8853] block nbd0: Receive control failed (result -22) [ 214.429536][ T8997] FAT-fs (loop2): Directory bread(block 515) failed [ 214.467580][ T8997] FAT-fs (loop2): Directory bread(block 516) failed [ 214.496606][ T8997] FAT-fs (loop2): Directory bread(block 517) failed [ 214.514051][ T8997] FAT-fs (loop2): Directory bread(block 518) failed [ 214.531591][ T8997] FAT-fs (loop2): Directory bread(block 519) failed [ 214.553385][ T8994] FAT-fs (loop5): Directory bread(block 513) failed [ 214.579544][ T8997] FAT-fs (loop2): Directory bread(block 520) failed [ 214.620174][ T8994] FAT-fs (loop5): Directory bread(block 514) failed [ 214.629757][ T8993] FAT-fs (loop4): Directory bread(block 513) failed [ 214.640388][ T8997] FAT-fs (loop2): Directory bread(block 521) failed [ 214.661948][ T8994] FAT-fs (loop5): Directory bread(block 515) failed 05:51:48 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='9\x94\x01\x15\xa4\xd3\xdb{X\x03', 0x0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0xd23e41, 0x0) r2 = socket(0x1e, 0x805, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="eeb68ab90c15c59b44e815d29d84ac6e9c905dedff0f1fad51ed29", @ANYRES32=0x0], &(0x7f000095dffc)=0x42) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000240)={r4}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={r4, @in={{0x2, 0x4e23, @initdev={0xac, 0x1e, 0x81, 0x0}}}, 0x101, 0x7, 0x80000000, 0x0, 0xa6}, 0x0) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, 0x0) write$P9_RWRITE(0xffffffffffffffff, &(0x7f0000000000)={0xb, 0x77, 0x2, 0x8}, 0xb) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r5 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r5, &(0x7f00000003c0)=""/4096, 0x56) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000500)=0xc) ptrace$setopts(0x7abb990919170921, r6, 0x10001, 0x111) ioctl$KVM_GET_LAPIC(r1, 0x8400ae8e, &(0x7f0000000a00)={"c5c48455550c5f15d6a1e54e8434d392b1ee8ce0d8cc789e6f9f5fff37ea66e3ca2631545d2fac4abc17eb7ac022137c40ce9850330e934af106b6d2b7b23ab19ac6157f94543f7759d7d90386c0a66d13d3e29cd3c6af3aacf0403dfd57a8f8135dc35686b0919abd7055617083c2d27e3b8f482c0f739c8d5b6b8550e111346a569c4ef7974920a0d7d047f3aa354d1ecdd6032a60c603c404884d346b4f5f2a11da56be949d0f7631fc8cfaaad5c4a62696e3e255e89ea6a55cd3d7c072f17a1259489e5c8c35e774bdf939b28c750dbbcabb6f8243e7ddc524c53053d507b8d8841c66088bb387c003a38c6b56c6d3943436d3bfaee3a64f70cf0786eeefcb20c20d6ccab79d6b56c389e2c2036dd5c530cf9375fcdfc5c64ed37d249442e633724fc2a1c05ceb01c61a1ec83aa77af2a86431dbd70b1f57d83b558d5b7f991e59e4de3d94ecfd0d1ee35e28b03fc0c4edf919b649dbe0bee545c8a523de067f6d4c93585430d396a84a8128244e7880b3fb27d3e25bbdae3248a60f3835a8e5c1b8ec9054f0b28c3b8f3bb8805756908d313f77fe38934b57b1626bf795f20ded88ac5593dfd331d6ee199ae59864a789c50a0716705a5066680491ae4865f94eb777f1af9cecf98eba79e57ba4f056fc2faafc2b6b876323a192fad3e9e2328191df6def6cc8a74e7bf7032a69810371780f6035b205461f06194bee219f01225d7770067d4b8368b6e76cad966e9c68b3fa9129196dc06422e56a72c96dd97c436c97fc9c0fafbe9a70db131c4ccc0c16e37b3dd16b47c80c8dbf457f5eeb2a0bd1bd121d55092b7a421af41520af3a14d021ac7a5b687be522b7077604441a420679cc1f7dc60c6a7a9c38d5cc925f45180bf6c3d03296df35e80cee74a9d5112ad31d9f73a929f26ab98b78034136f5c780db45f6685ef241766a1b1e6b1022867fee580f6d4edd7209d80a69d5a9c14f5c8f40d0146fd345c293f8f528fd0f769ba1d3e1afb2d7ecc7642d84f5427bc7eb8d3df8587fdf9c8a1ae6fb8da5f4c7f41dcc4357aa174bc748f2b7b936acf1a571b37051f582e64662547b5b5a300dad70abe401d31ab0ee0f954836e504b2600fac22a7563f765a5e28a9c8e5070f87c7108d2bba9dd471e07f853794ecc5b07ed9613474efee45e3cbf4d1e8731f6f2fc4916eeb5477e38618149221fdcb7fa0b96dc6d93300310ac036e2bca6de88be17d01ef15da72524dc3c3414aeb8035892e6cb9a8a8e0ede1f083fe121e6d968e2c5974db5a86f9087e11c0e07ed02df3cf64be47e80c63925975d2514335b6cd952154bbc1bf2b52adf0c6529d9d05acf16f5b2178395e7df8ad6223d19a38d63d6785ef1fc69100b79a92325e358f75f8213f858e725fc0c1246ad2f0c1cdb3fc933e7ba971de2707689bfe56cc62cb0179b090d83435d3b"}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x200}}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) lsetxattr$security_selinux(&(0x7f0000000880)='./file0\x00', &(0x7f0000000400)='security.selinux\x00', &(0x7f0000000900)='system_u:obj\x0f\xae\xc4\x1ds:auditctl_dxec_t:s0\x00', 0x25, 0x0) r7 = getpgrp(0x0) setpriority(0x0, r7, 0x100) read(r0, &(0x7f0000000340)=""/175, 0xaf) ioctl$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x800442d2, &(0x7f00000000c0)={0x0, 0x0}) r8 = syz_open_dev$loop(&(0x7f00000005c0)='/dev/\xc3Hop#\x00', 0x0, 0x80000) r9 = gettid() kcmp(r9, 0x0, 0x0, 0xffffffffffffffff, r8) r10 = gettid() prctl$PR_SET_PTRACER(0x59616d61, r10) r11 = socket(0x2, 0x1, 0xc5) setsockopt$netlink_NETLINK_TX_RING(r11, 0x10e, 0x7, 0x0, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x0) syz_open_dev$loop(&(0x7f00000005c0)='/dev/loop#\x00', 0x0, 0x182) gettid() syz_open_dev$loop(0x0, 0x0, 0x182) setpgid(0x0, 0xffffffffffffffff) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) clone(0xa64116fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000480)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000600)='(\xe0\xf5\x00', &(0x7f0000000680)='/dev/loop#\x00', &(0x7f0000000700)='system\x00', &(0x7f0000000740)='\x00', &(0x7f00000007c0)='\x00'], &(0x7f0000000780)) [ 214.672035][ T8993] FAT-fs (loop4): Directory bread(block 514) failed [ 214.694429][ T8997] FAT-fs (loop2): Directory bread(block 522) failed [ 214.696248][ T8994] FAT-fs (loop5): Directory bread(block 516) failed [ 214.712725][ T8993] FAT-fs (loop4): Directory bread(block 515) failed [ 214.751083][ T8993] FAT-fs (loop4): Directory bread(block 516) failed [ 214.757855][ T8989] block nbd0: shutting down sockets [ 214.784509][ T8993] FAT-fs (loop4): Directory bread(block 517) failed [ 214.791356][ T8993] FAT-fs (loop4): Directory bread(block 518) failed [ 214.799564][ T8994] FAT-fs (loop5): Directory bread(block 517) failed [ 214.815651][ T8993] FAT-fs (loop4): Directory bread(block 519) failed [ 214.829358][ T8993] FAT-fs (loop4): Directory bread(block 520) failed [ 214.838843][ T8994] FAT-fs (loop5): Directory bread(block 518) failed 05:51:48 executing program 2: getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000000)=0x0) r1 = perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpid() sched_setattr(r2, 0x0, 0x0) r3 = getpgid(r2) r4 = getpid() sched_setattr(r4, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x7, 0x2000000, 0x0, 0x4}, 0xa4c69b608b3d223) r5 = syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0x0, 0x2) kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r1, &(0x7f0000000080)={r5, r1, 0x3}) unshare(0x40000000) keyctl$set_timeout(0xf, 0x0, 0x1) setsockopt$CAN_RAW_RECV_OWN_MSGS(r5, 0x65, 0x4, &(0x7f00000000c0), 0x4) [ 214.839219][ T8993] FAT-fs (loop4): Directory bread(block 521) failed [ 214.871664][ T8993] FAT-fs (loop4): Directory bread(block 522) failed [ 214.875057][ T8994] FAT-fs (loop5): Directory bread(block 519) failed 05:51:48 executing program 4: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x40) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) syz_open_procfs(r0, &(0x7f0000000000)='children\x00') [ 214.952962][ T8994] FAT-fs (loop5): Directory bread(block 520) failed [ 214.983056][ T8994] FAT-fs (loop5): Directory bread(block 521) failed [ 214.992529][ T8994] FAT-fs (loop5): Directory bread(block 522) failed 05:51:48 executing program 3: fcntl$notify(0xffffffffffffffff, 0x402, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x3, &(0x7f00000000c0)={0x0, 0x0}) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)=ANY=[@ANYBLOB="4500000010000507000000000000000000000000c0b0b84752a923299b37fb3ef40fb259", @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="00000000008433df6d6f6b577d4eaaf2000007"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) ioctl$BLKFRASET(0xffffffffffffffff, 0x1264, 0x0) 05:51:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) 05:51:49 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:51:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 215.130750][ T9045] netlink: 37 bytes leftover after parsing attributes in process `syz-executor.3'. [ 215.149671][ T9045] netlink: 37 bytes leftover after parsing attributes in process `syz-executor.3'. 05:51:49 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 215.258506][ T9037] IPVS: ftp: loaded support on port[0] = 21 05:51:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:49 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='9\x94\x01\x15\xa4\xd3\xdb{X\x03', 0x0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0xd23e41, 0x0) r2 = socket(0x1e, 0x805, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="eeb68ab90c15c59b44e815d29d84ac6e9c905dedff0f1fad51ed29", @ANYRES32=0x0], &(0x7f000095dffc)=0x42) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000240)={r4}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={r4, @in={{0x2, 0x4e23, @initdev={0xac, 0x1e, 0x81, 0x0}}}, 0x101, 0x7, 0x80000000, 0x0, 0xa6}, 0x0) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, 0x0) write$P9_RWRITE(0xffffffffffffffff, &(0x7f0000000000)={0xb, 0x77, 0x2, 0x8}, 0xb) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r5 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getdents64(r5, &(0x7f00000003c0)=""/4096, 0x56) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f0000000500)=0xc) ptrace$setopts(0x7abb990919170921, r6, 0x10001, 0x111) ioctl$KVM_GET_LAPIC(r1, 0x8400ae8e, &(0x7f0000000a00)={"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"}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x200}}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) lsetxattr$security_selinux(&(0x7f0000000880)='./file0\x00', &(0x7f0000000400)='security.selinux\x00', &(0x7f0000000900)='system_u:obj\x0f\xae\xc4\x1ds:auditctl_dxec_t:s0\x00', 0x25, 0x0) r7 = getpgrp(0x0) setpriority(0x0, r7, 0x100) read(r0, &(0x7f0000000340)=""/175, 0xaf) ioctl$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x800442d2, &(0x7f00000000c0)={0x0, 0x0}) r8 = syz_open_dev$loop(&(0x7f00000005c0)='/dev/\xc3Hop#\x00', 0x0, 0x80000) r9 = gettid() kcmp(r9, 0x0, 0x0, 0xffffffffffffffff, r8) r10 = gettid() prctl$PR_SET_PTRACER(0x59616d61, r10) r11 = socket(0x2, 0x1, 0xc5) setsockopt$netlink_NETLINK_TX_RING(r11, 0x10e, 0x7, 0x0, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x0) syz_open_dev$loop(&(0x7f00000005c0)='/dev/loop#\x00', 0x0, 0x182) gettid() syz_open_dev$loop(0x0, 0x0, 0x182) setpgid(0x0, 0xffffffffffffffff) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) clone(0xa64116fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000480)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000600)='(\xe0\xf5\x00', &(0x7f0000000680)='/dev/loop#\x00', &(0x7f0000000700)='system\x00', &(0x7f0000000740)='\x00', &(0x7f00000007c0)='\x00'], &(0x7f0000000780)) [ 215.402423][ T9056] FAT-fs (loop3): Directory bread(block 513) failed [ 215.415312][ T9056] FAT-fs (loop3): Directory bread(block 514) failed [ 215.428703][ T9056] FAT-fs (loop3): Directory bread(block 515) failed [ 215.450723][ T9056] FAT-fs (loop3): Directory bread(block 516) failed [ 215.474937][ T9056] FAT-fs (loop3): Directory bread(block 517) failed [ 215.489218][ T9056] FAT-fs (loop3): Directory bread(block 518) failed 05:51:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 215.528809][ T9056] FAT-fs (loop3): Directory bread(block 519) failed [ 215.541908][ T9056] FAT-fs (loop3): Directory bread(block 520) failed [ 215.549097][ T9056] FAT-fs (loop3): Directory bread(block 521) failed 05:51:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) [ 215.603595][ T9056] FAT-fs (loop3): Directory bread(block 522) failed [ 215.673889][ T9071] FAT-fs (loop5): Directory bread(block 513) failed [ 215.695894][ T9071] FAT-fs (loop5): Directory bread(block 514) failed [ 215.721308][ T9071] FAT-fs (loop5): Directory bread(block 515) failed [ 215.745664][ T9071] FAT-fs (loop5): Directory bread(block 516) failed [ 215.763406][ T9071] FAT-fs (loop5): Directory bread(block 517) failed [ 215.773678][ T9071] FAT-fs (loop5): Directory bread(block 518) failed [ 215.777695][ T8853] block nbd0: Receive control failed (result -22) [ 215.781929][ T9071] FAT-fs (loop5): Directory bread(block 519) failed 05:51:49 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 215.835318][ T9071] FAT-fs (loop5): Directory bread(block 520) failed [ 215.842252][ T9071] FAT-fs (loop5): Directory bread(block 521) failed [ 215.869630][ T9033] IPVS: ftp: loaded support on port[0] = 21 [ 215.940724][ T9071] FAT-fs (loop5): Directory bread(block 522) failed [ 215.986552][ T9076] block nbd0: shutting down sockets [ 216.012211][ T9087] FAT-fs (loop1): Directory bread(block 513) failed [ 216.048832][ T9087] FAT-fs (loop1): Directory bread(block 514) failed 05:51:49 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x38000000000000, 0x80a02) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f00000000c0)=@req3={0x6, 0x83c3, 0x6, 0x2, 0x2, 0xffffffff, 0x8}, 0x1c) bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x1, 0x4, &(0x7f0000000400)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x1c, 0x11, 0x1a001000000}, [@ldst={0x6, 0x3, 0x3, 0x0, 0xf001}]}, &(0x7f0000000080)='GPL\x00', 0x4, 0x3f7, &(0x7f000000cf3d)=""/195}, 0x48) 05:51:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) 05:51:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 216.107184][ T9087] FAT-fs (loop1): Directory bread(block 515) failed [ 216.149200][ T9087] FAT-fs (loop1): Directory bread(block 516) failed [ 216.165854][ T9087] FAT-fs (loop1): Directory bread(block 517) failed [ 216.188973][ T9087] FAT-fs (loop1): Directory bread(block 518) failed [ 216.295003][ T8853] block nbd0: Receive control failed (result -22) [ 216.302998][ T9087] FAT-fs (loop1): Directory bread(block 519) failed [ 216.321046][ T9087] FAT-fs (loop1): Directory bread(block 520) failed [ 216.338260][ T9087] FAT-fs (loop1): Directory bread(block 521) failed [ 216.351616][ T9087] FAT-fs (loop1): Directory bread(block 522) failed [ 216.466280][ T9098] block nbd0: shutting down sockets 05:51:52 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:51:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000040)={r9, 0x7}, &(0x7f00000000c0)=0x8) openat$uhid(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uhid\x00', 0xd28bb74bb1559abf, 0x0) 05:51:52 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:51:52 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:52 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) [ 218.319764][ T8853] block nbd0: Receive control failed (result -22) [ 218.386730][ T8853] block nbd3: Receive control failed (result -22) 05:51:52 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:52 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 218.511050][ T9117] block nbd0: shutting down sockets 05:51:52 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:51:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 218.654744][ T9116] block nbd3: shutting down sockets 05:51:52 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) [ 218.748270][ T9141] FAT-fs (loop5): Directory bread(block 513) failed [ 218.797378][ T9141] FAT-fs (loop5): Directory bread(block 514) failed [ 218.827598][ T9144] FAT-fs (loop2): Directory bread(block 513) failed [ 218.846335][ T9141] FAT-fs (loop5): Directory bread(block 515) failed [ 218.861026][ T9144] FAT-fs (loop2): Directory bread(block 514) failed [ 218.868271][ T8853] block nbd0: Receive control failed (result -22) [ 218.885557][ T9141] FAT-fs (loop5): Directory bread(block 516) failed [ 218.903165][ T9155] FAT-fs (loop1): Directory bread(block 513) failed [ 218.909195][ T9141] FAT-fs (loop5): Directory bread(block 517) failed [ 218.940137][ T9155] FAT-fs (loop1): Directory bread(block 514) failed 05:51:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) [ 218.941073][ T9144] FAT-fs (loop2): Directory bread(block 515) failed [ 218.961390][ T9141] FAT-fs (loop5): Directory bread(block 518) failed [ 218.969472][ T9155] FAT-fs (loop1): Directory bread(block 515) failed [ 218.984494][ T9141] FAT-fs (loop5): Directory bread(block 519) failed [ 218.999270][ T9144] FAT-fs (loop2): Directory bread(block 516) failed [ 219.009841][ T9141] FAT-fs (loop5): Directory bread(block 520) failed [ 219.025234][ T9144] FAT-fs (loop2): Directory bread(block 517) failed [ 219.027953][ T9155] FAT-fs (loop1): Directory bread(block 516) failed [ 219.033560][ T9141] FAT-fs (loop5): Directory bread(block 521) failed [ 219.060000][ T9149] block nbd0: shutting down sockets [ 219.071053][ T9144] FAT-fs (loop2): Directory bread(block 518) failed [ 219.075559][ T9155] FAT-fs (loop1): Directory bread(block 517) failed [ 219.081229][ T8853] block nbd3: Receive control failed (result -22) [ 219.085276][ T9144] FAT-fs (loop2): Directory bread(block 519) failed [ 219.155297][ T9144] FAT-fs (loop2): Directory bread(block 520) failed [ 219.155963][ T9155] FAT-fs (loop1): Directory bread(block 518) failed [ 219.168077][ T9144] FAT-fs (loop2): Directory bread(block 521) failed [ 219.192652][ T9144] FAT-fs (loop2): Directory bread(block 522) failed [ 219.267761][ T9155] FAT-fs (loop1): Directory bread(block 519) failed [ 219.284522][ T9164] block nbd3: shutting down sockets [ 219.307255][ T9155] FAT-fs (loop1): Directory bread(block 520) failed [ 219.336950][ T9155] FAT-fs (loop1): Directory bread(block 521) failed [ 219.357143][ T9155] FAT-fs (loop1): Directory bread(block 522) failed [ 219.394611][ T9141] FAT-fs (loop5): Directory bread(block 522) failed 05:51:59 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:51:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) 05:51:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:51:59 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) 05:51:59 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:51:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) [ 225.594967][ T8853] block nbd3: Receive control failed (result -22) [ 225.611008][ T8853] block nbd0: Receive control failed (result -22) [ 225.633138][ T8853] block nbd2: Receive control failed (result -22) 05:51:59 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:51:59 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) [ 225.746594][ T9178] block nbd0: shutting down sockets 05:51:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) [ 225.829237][ T9177] block nbd2: shutting down sockets [ 225.848152][ T9182] block nbd3: shutting down sockets 05:51:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) [ 225.948804][ T9201] FAT-fs (loop1): Directory bread(block 513) failed [ 225.974859][ T9201] FAT-fs (loop1): Directory bread(block 514) failed [ 225.981896][ T9201] FAT-fs (loop1): Directory bread(block 515) failed [ 225.998926][ T8853] block nbd0: Receive control failed (result -22) [ 226.031347][ T9201] FAT-fs (loop1): Directory bread(block 516) failed [ 226.084734][ T9201] FAT-fs (loop1): Directory bread(block 517) failed [ 226.091738][ T9201] FAT-fs (loop1): Directory bread(block 518) failed [ 226.098870][ T8853] block nbd3: Receive control failed (result -22) [ 226.122445][ T9205] block nbd0: shutting down sockets [ 226.144888][ T9201] FAT-fs (loop1): Directory bread(block 519) failed [ 226.152449][ T9201] FAT-fs (loop1): Directory bread(block 520) failed [ 226.182330][ T9211] block nbd3: shutting down sockets [ 226.184409][ T9201] FAT-fs (loop1): Directory bread(block 521) failed 05:52:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) 05:52:00 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 226.195084][ T9201] FAT-fs (loop1): Directory bread(block 522) failed [ 226.330508][ T9221] FAT-fs (loop5): Directory bread(block 513) failed [ 226.337821][ T9221] FAT-fs (loop5): Directory bread(block 514) failed [ 226.347932][ T9221] FAT-fs (loop5): Directory bread(block 515) failed [ 226.367371][ T9221] FAT-fs (loop5): Directory bread(block 516) failed [ 226.398767][ T9221] FAT-fs (loop5): Directory bread(block 517) failed [ 226.406958][ T8853] block nbd0: Receive control failed (result -22) [ 226.421074][ T9221] FAT-fs (loop5): Directory bread(block 518) failed [ 226.429763][ T9221] FAT-fs (loop5): Directory bread(block 519) failed [ 226.437497][ T9221] FAT-fs (loop5): Directory bread(block 520) failed [ 226.438144][ T9220] block nbd0: shutting down sockets [ 226.445447][ T9221] FAT-fs (loop5): Directory bread(block 521) failed [ 226.456817][ T9221] FAT-fs (loop5): Directory bread(block 522) failed 05:52:05 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:52:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) 05:52:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) 05:52:05 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) keyctl$assume_authority(0x10, 0x0) 05:52:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) 05:52:05 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 231.946119][ T8853] block nbd2: Receive control failed (result -22) [ 231.982752][ T8853] block nbd0: Receive control failed (result -22) 05:52:05 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:05 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) keyctl$assume_authority(0x10, 0x0) [ 232.022620][ T8853] block nbd3: Receive control failed (result -22) [ 232.032856][ T9238] block nbd0: shutting down sockets [ 232.160727][ T9234] block nbd2: shutting down sockets 05:52:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r7, 0x84, 0x0, &(0x7f0000000000)={r9, 0x9, 0x8, 0x3}, 0x10) 05:52:06 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 232.255589][ T9239] block nbd3: shutting down sockets 05:52:06 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) keyctl$assume_authority(0x10, 0x0) 05:52:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) [ 232.405474][ T8853] block nbd2: Receive control failed (result -22) [ 232.507590][ T9274] FAT-fs (loop1): Directory bread(block 513) failed [ 232.529116][ T8853] block nbd0: Receive control failed (result -22) [ 232.549953][ T9274] FAT-fs (loop1): Directory bread(block 514) failed [ 232.566522][ T9274] FAT-fs (loop1): Directory bread(block 515) failed [ 232.575140][ T9266] block nbd2: shutting down sockets [ 232.584704][ T9274] FAT-fs (loop1): Directory bread(block 516) failed [ 232.590453][ T9273] block nbd0: shutting down sockets [ 232.591925][ T9274] FAT-fs (loop1): Directory bread(block 517) failed [ 232.609635][ T9274] FAT-fs (loop1): Directory bread(block 518) failed [ 232.619346][ T9274] FAT-fs (loop1): Directory bread(block 519) failed [ 232.637460][ T9274] FAT-fs (loop1): Directory bread(block 520) failed [ 232.664797][ T9274] FAT-fs (loop1): Directory bread(block 521) failed [ 232.679872][ T9274] FAT-fs (loop1): Directory bread(block 522) failed 05:52:15 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) writev(0xffffffffffffffff, &(0x7f0000000700), 0x100000000000000c) 05:52:15 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) 05:52:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) 05:52:15 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 241.249783][ T8853] block nbd0: Receive control failed (result -22) [ 241.280604][ T8853] block nbd3: Receive control failed (result -22) [ 241.288834][ T8853] block nbd2: Receive control failed (result -22) [ 241.310778][ T9289] block nbd0: shutting down sockets 05:52:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) [ 241.449580][ T9293] block nbd2: shutting down sockets 05:52:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) [ 241.478104][ T9304] block nbd0: Receive control failed (result -22) 05:52:15 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 241.545604][ T9311] block nbd0: shutting down sockets 05:52:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) [ 241.594501][ T9292] block nbd3: shutting down sockets 05:52:15 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 241.667369][ T9304] block nbd2: Receive control failed (result -22) 05:52:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) [ 241.758452][ T9304] block nbd0: Receive control failed (result -22) [ 241.766538][ T9316] block nbd2: shutting down sockets [ 241.810645][ T9321] block nbd0: shutting down sockets [ 241.879210][ T9331] FAT-fs (loop5): Directory bread(block 513) failed [ 241.898404][ T9331] FAT-fs (loop5): Directory bread(block 514) failed [ 241.925138][ T9331] FAT-fs (loop5): Directory bread(block 515) failed [ 241.942908][ T9331] FAT-fs (loop5): Directory bread(block 516) failed [ 241.956916][ T9331] FAT-fs (loop5): Directory bread(block 517) failed [ 241.964615][ T9331] FAT-fs (loop5): Directory bread(block 518) failed [ 241.971531][ T9331] FAT-fs (loop5): Directory bread(block 519) failed [ 241.991726][ T9331] FAT-fs (loop5): Directory bread(block 520) failed [ 242.000453][ T9331] FAT-fs (loop5): Directory bread(block 521) failed [ 242.016538][ T9331] FAT-fs (loop5): Directory bread(block 522) failed [ 242.040701][ T9304] block nbd3: Receive control failed (result -22) [ 242.081154][ T9334] block nbd3: shutting down sockets 05:52:24 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) writev(0xffffffffffffffff, &(0x7f0000000700), 0x100000000000000c) 05:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) 05:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') 05:52:24 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:52:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) [ 250.538139][ T9304] block nbd3: Receive control failed (result -22) [ 250.563466][ T9354] FAT-fs (loop1): Directory bread(block 513) failed 05:52:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 250.582936][ T9304] block nbd2: Receive control failed (result -22) [ 250.591603][ T9354] FAT-fs (loop1): Directory bread(block 514) failed [ 250.604911][ T9351] block nbd3: shutting down sockets [ 250.622528][ T9354] FAT-fs (loop1): Directory bread(block 515) failed [ 250.645428][ T9354] FAT-fs (loop1): Directory bread(block 516) failed [ 250.681442][ T9354] FAT-fs (loop1): Directory bread(block 517) failed [ 250.699768][ T9354] FAT-fs (loop1): Directory bread(block 518) failed [ 250.711199][ T9350] block nbd2: shutting down sockets [ 250.725952][ T9304] block nbd0: Receive control failed (result -22) 05:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r8, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) 05:52:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 250.751669][ T9358] block nbd0: shutting down sockets [ 250.781756][ T9354] FAT-fs (loop1): Directory bread(block 519) failed 05:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:52:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) [ 250.825978][ T9354] FAT-fs (loop1): Directory bread(block 520) failed [ 250.836134][ T9354] FAT-fs (loop1): Directory bread(block 521) failed [ 250.843269][ T9354] FAT-fs (loop1): Directory bread(block 522) failed [ 250.879693][ T9304] block nbd2: Receive control failed (result -22) 05:52:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 251.082235][ T9304] block nbd0: Receive control failed (result -22) [ 251.082763][ T9374] block nbd2: shutting down sockets [ 251.093877][ T9304] block nbd3: Receive control failed (result -22) [ 251.111290][ T9383] block nbd0: shutting down sockets [ 251.158180][ T9382] block nbd3: shutting down sockets 05:52:32 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) writev(0xffffffffffffffff, &(0x7f0000000700), 0x100000000000000c) 05:52:32 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:52:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 05:52:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) 05:52:32 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 258.955201][ T9406] block nbd0: shutting down sockets [ 258.982688][ T9304] block nbd2: Receive control failed (result -22) [ 258.991614][ T9304] block nbd3: Receive control failed (result -22) 05:52:32 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:52:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 05:52:32 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 259.060762][ T9404] block nbd3: shutting down sockets [ 259.070827][ T9407] block nbd2: shutting down sockets 05:52:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) r7 = socket$inet(0x2, 0x4000000805, 0x0) r8 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r7, r8, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) [ 259.202322][ T9423] block nbd0: shutting down sockets 05:52:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 259.377375][ T9304] block nbd2: Receive control failed (result -22) [ 259.445141][ T9433] block nbd2: shutting down sockets [ 259.460288][ T9304] block nbd3: Receive control failed (result -22) [ 259.485086][ T9434] block nbd3: shutting down sockets 05:52:42 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r0, &(0x7f0000000700), 0x100000000000000c) 05:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 05:52:42 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') 05:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) r7 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 268.292831][ T9456] block nbd0: shutting down sockets 05:52:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 268.319382][ T9304] block nbd2: Receive control failed (result -22) [ 268.347336][ T9304] block nbd3: Receive control failed (result -22) [ 268.376963][ T9455] block nbd3: shutting down sockets [ 268.391134][ T9451] block nbd2: shutting down sockets 05:52:42 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) socket$inet(0x2, 0x4000000805, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:52:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 268.591959][ T9470] FAT-fs (loop5): Directory bread(block 513) failed [ 268.627266][ T9470] FAT-fs (loop5): Directory bread(block 514) failed [ 268.649542][ T9304] block nbd2: Receive control failed (result -22) [ 268.680223][ T9472] block nbd2: shutting down sockets [ 268.697782][ T9470] FAT-fs (loop5): Directory bread(block 515) failed [ 268.734661][ T9470] FAT-fs (loop5): Directory bread(block 516) failed [ 268.749286][ T9304] block nbd3: Receive control failed (result -22) [ 268.766317][ T9470] FAT-fs (loop5): Directory bread(block 517) failed [ 268.786515][ T9470] FAT-fs (loop5): Directory bread(block 518) failed [ 268.803845][ T9470] FAT-fs (loop5): Directory bread(block 519) failed [ 268.816709][ T9470] FAT-fs (loop5): Directory bread(block 520) failed [ 268.840350][ T9470] FAT-fs (loop5): Directory bread(block 521) failed [ 268.847696][ T9470] FAT-fs (loop5): Directory bread(block 522) failed [ 268.850429][ T9473] block nbd3: shutting down sockets 05:52:50 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r0, &(0x7f0000000700), 0x100000000000000c) 05:52:50 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 05:52:50 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 276.589338][ T9503] block nbd3: shutting down sockets 05:52:50 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 276.622706][ T9304] block nbd2: Receive control failed (result -22) [ 276.632081][ T9505] FAT-fs (loop1): Directory bread(block 513) failed 05:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 276.671680][ T9505] FAT-fs (loop1): Directory bread(block 514) failed [ 276.686838][ T9505] FAT-fs (loop1): Directory bread(block 515) failed [ 276.729057][ T9506] block nbd2: shutting down sockets [ 276.751970][ T9505] FAT-fs (loop1): Directory bread(block 516) failed [ 276.789604][ T9522] block nbd3: shutting down sockets [ 276.801361][ T9505] FAT-fs (loop1): Directory bread(block 517) failed [ 276.823937][ T9505] FAT-fs (loop1): Directory bread(block 518) failed 05:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:52:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') fchdir(r6) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 276.854695][ T9505] FAT-fs (loop1): Directory bread(block 519) failed [ 276.876920][ T9505] FAT-fs (loop1): Directory bread(block 520) failed [ 276.921989][ T9505] FAT-fs (loop1): Directory bread(block 521) failed [ 276.941751][ T9505] FAT-fs (loop1): Directory bread(block 522) failed [ 276.995290][ T9533] block nbd3: shutting down sockets [ 277.001168][ T9304] block nbd2: Receive control failed (result -22) [ 277.068982][ T9528] block nbd2: shutting down sockets 05:53:00 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r0, &(0x7f0000000700), 0x100000000000000c) 05:53:00 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:53:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:53:00 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 287.010158][ T9304] block nbd2: Receive control failed (result -22) [ 287.033348][ T9556] FAT-fs (loop5): Directory bread(block 513) failed [ 287.050474][ T9547] block nbd2: shutting down sockets 05:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) [ 287.068878][ T9554] FAT-fs (loop1): Directory bread(block 513) failed [ 287.075818][ T9556] FAT-fs (loop5): Directory bread(block 514) failed [ 287.076132][ T9554] FAT-fs (loop1): Directory bread(block 514) failed [ 287.091096][ T9554] FAT-fs (loop1): Directory bread(block 515) failed [ 287.099329][ T9554] FAT-fs (loop1): Directory bread(block 516) failed [ 287.107659][ T9554] FAT-fs (loop1): Directory bread(block 517) failed [ 287.112537][ T9556] FAT-fs (loop5): Directory bread(block 515) failed [ 287.125873][ T9554] FAT-fs (loop1): Directory bread(block 518) failed [ 287.144386][ T9554] FAT-fs (loop1): Directory bread(block 519) failed [ 287.151948][ T9554] FAT-fs (loop1): Directory bread(block 520) failed 05:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 287.163628][ T9556] FAT-fs (loop5): Directory bread(block 516) failed [ 287.175529][ T9556] FAT-fs (loop5): Directory bread(block 517) failed [ 287.182731][ T9556] FAT-fs (loop5): Directory bread(block 518) failed [ 287.208197][ T9554] FAT-fs (loop1): Directory bread(block 521) failed 05:53:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 287.244633][ T9556] FAT-fs (loop5): Directory bread(block 519) failed [ 287.261930][ T9556] FAT-fs (loop5): Directory bread(block 520) failed [ 287.265503][ T9554] FAT-fs (loop1): Directory bread(block 522) failed [ 287.287347][ T9556] FAT-fs (loop5): Directory bread(block 521) failed [ 287.370425][ T9556] FAT-fs (loop5): Directory bread(block 522) failed [ 287.377349][ T9304] block nbd2: Receive control failed (result -22) [ 287.410437][ T9572] block nbd2: shutting down sockets [ 287.427589][ T9304] block nbd0: Receive control failed (result -22) 05:53:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 287.485417][ T9576] block nbd0: shutting down sockets [ 287.600874][ T9586] block nbd2: shutting down sockets 05:53:10 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:10 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:53:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) [ 296.326199][ T9597] block nbd2: shutting down sockets [ 296.328520][ T9304] block nbd0: Receive control failed (result -22) [ 296.345192][ T9602] block nbd0: shutting down sockets 05:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 296.402838][ T9605] FAT-fs (loop1): Directory bread(block 513) failed [ 296.426052][ T9605] FAT-fs (loop1): Directory bread(block 514) failed 05:53:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) [ 296.500616][ T9605] FAT-fs (loop1): Directory bread(block 515) failed [ 296.510379][ T9605] FAT-fs (loop1): Directory bread(block 516) failed [ 296.519606][ T9605] FAT-fs (loop1): Directory bread(block 517) failed [ 296.526701][ T9605] FAT-fs (loop1): Directory bread(block 518) failed [ 296.533634][ T9605] FAT-fs (loop1): Directory bread(block 519) failed [ 296.541495][ T9605] FAT-fs (loop1): Directory bread(block 520) failed [ 296.586977][ T9605] FAT-fs (loop1): Directory bread(block 521) failed [ 296.615962][ T9304] block nbd0: Receive control failed (result -22) [ 296.622837][ T9623] block nbd2: shutting down sockets [ 296.629859][ T9605] FAT-fs (loop1): Directory bread(block 522) failed [ 296.640829][ T9621] block nbd0: shutting down sockets 05:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 296.768552][ T9304] block nbd0: Receive control failed (result -22) [ 296.827363][ T9631] block nbd0: shutting down sockets 05:53:18 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:18 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:53:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:18 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 304.613429][ T9304] block nbd0: Receive control failed (result -22) [ 304.628042][ T9304] block nbd3: Receive control failed (result -22) [ 304.639880][ T9649] block nbd0: shutting down sockets [ 304.662720][ T9654] FAT-fs (loop5): Directory bread(block 513) failed [ 304.678133][ T9653] block nbd3: shutting down sockets [ 304.692461][ T9650] FAT-fs (loop1): Directory bread(block 513) failed [ 304.706294][ T9654] FAT-fs (loop5): Directory bread(block 514) failed 05:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 304.714702][ T9654] FAT-fs (loop5): Directory bread(block 515) failed [ 304.722685][ T9654] FAT-fs (loop5): Directory bread(block 516) failed 05:53:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 304.757163][ T9650] FAT-fs (loop1): Directory bread(block 514) failed [ 304.776624][ T9650] FAT-fs (loop1): Directory bread(block 515) failed [ 304.795351][ T9650] FAT-fs (loop1): Directory bread(block 516) failed [ 304.815468][ T9654] FAT-fs (loop5): Directory bread(block 517) failed [ 304.823252][ T9654] FAT-fs (loop5): Directory bread(block 518) failed [ 304.849308][ T9304] block nbd0: Receive control failed (result -22) [ 304.885111][ T9650] FAT-fs (loop1): Directory bread(block 517) failed 05:53:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) socket(0x1, 0x1, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 304.929888][ T9650] FAT-fs (loop1): Directory bread(block 518) failed [ 304.949151][ T9650] FAT-fs (loop1): Directory bread(block 519) failed [ 304.961905][ T9654] FAT-fs (loop5): Directory bread(block 519) failed [ 304.975403][ T9650] FAT-fs (loop1): Directory bread(block 520) failed [ 304.985275][ T9654] FAT-fs (loop5): Directory bread(block 520) failed [ 304.992088][ T9654] FAT-fs (loop5): Directory bread(block 521) failed [ 305.001885][ T9668] block nbd0: shutting down sockets [ 305.009633][ T9650] FAT-fs (loop1): Directory bread(block 521) failed [ 305.017247][ T9304] block nbd3: Receive control failed (result -22) 05:53:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 305.035000][ T9650] FAT-fs (loop1): Directory bread(block 522) failed [ 305.058253][ T9676] block nbd3: shutting down sockets [ 305.070504][ T9654] FAT-fs (loop5): Directory bread(block 522) failed [ 305.231820][ T9304] block nbd0: Receive control failed (result -22) [ 305.249158][ T9688] block nbd0: shutting down sockets 05:53:24 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:53:24 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 310.968404][ T9304] block nbd3: Receive control failed (result -22) [ 310.982373][ T9706] FAT-fs (loop1): Directory bread(block 513) failed [ 311.001751][ T9706] FAT-fs (loop1): Directory bread(block 514) failed [ 311.021436][ T9304] block nbd0: Receive control failed (result -22) [ 311.029003][ T9706] FAT-fs (loop1): Directory bread(block 515) failed [ 311.036922][ T9702] block nbd3: shutting down sockets [ 311.043019][ T9706] FAT-fs (loop1): Directory bread(block 516) failed 05:53:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 311.069462][ T9699] block nbd0: shutting down sockets [ 311.074545][ T9706] FAT-fs (loop1): Directory bread(block 517) failed [ 311.081532][ T9706] FAT-fs (loop1): Directory bread(block 518) failed [ 311.094737][ T9706] FAT-fs (loop1): Directory bread(block 519) failed 05:53:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 311.119687][ T9706] FAT-fs (loop1): Directory bread(block 520) failed 05:53:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 311.142543][ T9706] FAT-fs (loop1): Directory bread(block 521) failed [ 311.158959][ T9706] FAT-fs (loop1): Directory bread(block 522) failed 05:53:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:25 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) fchdir(0xffffffffffffffff) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:25 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 311.308875][ T9304] block nbd0: Receive control failed (result -22) [ 311.316917][ T9724] block nbd0: shutting down sockets [ 311.381501][ T9304] block nbd3: Receive control failed (result -22) [ 311.417555][ T9731] block nbd3: shutting down sockets [ 311.508181][ T9740] FAT-fs (loop5): Directory bread(block 513) failed [ 311.519218][ T9739] FAT-fs (loop1): Directory bread(block 513) failed [ 311.540397][ T9739] FAT-fs (loop1): Directory bread(block 514) failed [ 311.548835][ T9740] FAT-fs (loop5): Directory bread(block 514) failed [ 311.569687][ T9740] FAT-fs (loop5): Directory bread(block 515) failed [ 311.581546][ T9739] FAT-fs (loop1): Directory bread(block 515) failed [ 311.589336][ T9740] FAT-fs (loop5): Directory bread(block 516) failed [ 311.597932][ T9739] FAT-fs (loop1): Directory bread(block 516) failed [ 311.605747][ T9740] FAT-fs (loop5): Directory bread(block 517) failed [ 311.606506][ T9739] FAT-fs (loop1): Directory bread(block 517) failed [ 311.617663][ T9740] FAT-fs (loop5): Directory bread(block 518) failed [ 311.626853][ T9739] FAT-fs (loop1): Directory bread(block 518) failed [ 311.626901][ T9740] FAT-fs (loop5): Directory bread(block 519) failed [ 311.633615][ T9739] FAT-fs (loop1): Directory bread(block 519) failed [ 311.643801][ T9740] FAT-fs (loop5): Directory bread(block 520) failed [ 311.648410][ T9739] FAT-fs (loop1): Directory bread(block 520) failed [ 311.659597][ T9740] FAT-fs (loop5): Directory bread(block 521) failed [ 311.661945][ T9739] FAT-fs (loop1): Directory bread(block 521) failed [ 311.668374][ T9740] FAT-fs (loop5): Directory bread(block 522) failed [ 311.675353][ T9739] FAT-fs (loop1): Directory bread(block 522) failed 05:53:33 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) socket$inet6(0xa, 0xaff0e82ef0bdde8, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getpid() r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:53:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:53:33 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 319.292161][ T9304] block nbd0: Receive control failed (result -22) [ 319.323266][ T9304] block nbd3: Receive control failed (result -22) [ 319.332806][ T9758] block nbd0: shutting down sockets [ 319.334897][ T9762] FAT-fs (loop1): Directory bread(block 513) failed 05:53:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:53:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) [ 319.376582][ T9762] FAT-fs (loop1): Directory bread(block 514) failed [ 319.397359][ T9759] block nbd3: shutting down sockets [ 319.419570][ T9762] FAT-fs (loop1): Directory bread(block 515) failed 05:53:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) [ 319.464624][ T9762] FAT-fs (loop1): Directory bread(block 516) failed [ 319.471995][ T9762] FAT-fs (loop1): Directory bread(block 517) failed [ 319.491856][ T9762] FAT-fs (loop1): Directory bread(block 518) failed [ 319.506564][ T9304] block nbd2: Receive control failed (result -22) [ 319.524508][ T9762] FAT-fs (loop1): Directory bread(block 519) failed [ 319.558820][ T9762] FAT-fs (loop1): Directory bread(block 520) failed [ 319.572075][ T9762] FAT-fs (loop1): Directory bread(block 521) failed [ 319.576103][ T9757] block nbd2: shutting down sockets [ 319.581263][ T9762] FAT-fs (loop1): Directory bread(block 522) failed [ 319.589099][ T9304] block nbd3: Receive control failed (result -22) [ 319.618320][ T9783] block nbd3: shutting down sockets [ 319.636414][ T9304] block nbd0: Receive control failed (result -22) 05:53:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 319.659461][ T9782] block nbd0: shutting down sockets 05:53:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:33 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 319.764528][ T9792] FAT-fs (loop5): Directory bread(block 513) failed [ 319.819316][ T9792] FAT-fs (loop5): Directory bread(block 514) failed [ 319.879411][ T9792] FAT-fs (loop5): Directory bread(block 515) failed [ 319.899992][ T9792] FAT-fs (loop5): Directory bread(block 516) failed [ 319.907503][ T9792] FAT-fs (loop5): Directory bread(block 517) failed [ 319.914665][ T9792] FAT-fs (loop5): Directory bread(block 518) failed [ 319.921518][ T9792] FAT-fs (loop5): Directory bread(block 519) failed [ 319.929986][ T9792] FAT-fs (loop5): Directory bread(block 520) failed [ 319.937764][ T9792] FAT-fs (loop5): Directory bread(block 521) failed [ 319.946129][ T9792] FAT-fs (loop5): Directory bread(block 522) failed 05:53:42 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 05:53:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) socket$kcm(0x29, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:42 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 328.626503][ T9304] block nbd3: Receive control failed (result -22) [ 328.640844][ T9813] block nbd3: shutting down sockets 05:53:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getpid() r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:53:42 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 328.725685][ T9304] block nbd2: Receive control failed (result -22) [ 328.764043][ T9814] block nbd2: shutting down sockets 05:53:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 328.879902][ T9304] block nbd3: Receive control failed (result -22) [ 328.888969][ T9831] block nbd3: shutting down sockets 05:53:42 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 328.978783][ T9842] FAT-fs (loop1): Directory bread(block 513) failed [ 328.999536][ T9842] FAT-fs (loop1): Directory bread(block 514) failed [ 329.007289][ T9842] FAT-fs (loop1): Directory bread(block 515) failed [ 329.015520][ T9842] FAT-fs (loop1): Directory bread(block 516) failed [ 329.018812][ T9304] block nbd2: Receive control failed (result -22) [ 329.022698][ T9842] FAT-fs (loop1): Directory bread(block 517) failed [ 329.051950][ T9842] FAT-fs (loop1): Directory bread(block 518) failed [ 329.072583][ T9842] FAT-fs (loop1): Directory bread(block 519) failed [ 329.074519][ T9846] block nbd2: shutting down sockets [ 329.092961][ T9304] block nbd0: Receive control failed (result -22) [ 329.102245][ T9851] block nbd0: shutting down sockets [ 329.110981][ T9842] FAT-fs (loop1): Directory bread(block 520) failed [ 329.152960][ T9842] FAT-fs (loop1): Directory bread(block 521) failed [ 329.168018][ T9842] FAT-fs (loop1): Directory bread(block 522) failed 05:53:49 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 05:53:49 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x501, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:49 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:53:49 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 335.905574][ T9304] block nbd0: Receive control failed (result -22) [ 335.911719][ T1531] block nbd3: Receive control failed (result -22) [ 335.921409][ T9870] block nbd0: shutting down sockets [ 335.939455][ T9864] block nbd3: shutting down sockets 05:53:49 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 335.968690][ T1531] block nbd2: Receive control failed (result -22) [ 335.991729][ T9873] FAT-fs (loop5): Directory bread(block 513) failed [ 336.031864][ T9865] block nbd2: shutting down sockets [ 336.075096][ T9873] FAT-fs (loop5): Directory bread(block 514) failed [ 336.082212][ T9873] FAT-fs (loop5): Directory bread(block 515) failed [ 336.105808][ T9873] FAT-fs (loop5): Directory bread(block 516) failed 05:53:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 336.127892][ T1531] block nbd0: Receive control failed (result -22) [ 336.136612][ T9883] block nbd0: shutting down sockets 05:53:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x11140) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:50 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 336.175212][ T9873] FAT-fs (loop5): Directory bread(block 517) failed [ 336.214831][ T9873] FAT-fs (loop5): Directory bread(block 518) failed 05:53:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 336.231443][ T9873] FAT-fs (loop5): Directory bread(block 519) failed [ 336.289959][ T9873] FAT-fs (loop5): Directory bread(block 520) failed [ 336.331720][ T9873] FAT-fs (loop5): Directory bread(block 521) failed [ 336.342146][ T9873] FAT-fs (loop5): Directory bread(block 522) failed [ 336.356312][ T1531] block nbd2: Receive control failed (result -22) [ 336.371017][ T1531] block nbd0: Receive control failed (result -22) [ 336.379412][ T9901] block nbd0: shutting down sockets [ 336.417725][ T9895] block nbd2: shutting down sockets 05:53:59 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:53:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:53:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x0, 0x8000, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:53:59 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:53:59 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:53:59 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 345.195271][ T1531] block nbd0: Receive control failed (result -22) [ 345.210146][ T9919] block nbd0: shutting down sockets 05:53:59 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 345.266128][ T1531] block nbd3: Receive control failed (result -22) [ 345.272535][ T9926] FAT-fs (loop1): Directory bread(block 513) failed [ 345.280450][ T9926] FAT-fs (loop1): Directory bread(block 514) failed [ 345.282794][ T1531] block nbd2: Receive control failed (result -22) [ 345.287961][ T9926] FAT-fs (loop1): Directory bread(block 515) failed [ 345.303372][ T9927] block nbd3: shutting down sockets [ 345.335343][ T9926] FAT-fs (loop1): Directory bread(block 516) failed [ 345.357030][ T9926] FAT-fs (loop1): Directory bread(block 517) failed [ 345.375173][ T9921] block nbd2: shutting down sockets 05:53:59 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 345.401726][ T9926] FAT-fs (loop1): Directory bread(block 518) failed 05:53:59 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:53:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 345.454779][ T9926] FAT-fs (loop1): Directory bread(block 519) failed [ 345.478590][ T9926] FAT-fs (loop1): Directory bread(block 520) failed [ 345.517792][ T9926] FAT-fs (loop1): Directory bread(block 521) failed [ 345.527521][ T9926] FAT-fs (loop1): Directory bread(block 522) failed 05:53:59 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 345.569139][ T1531] block nbd2: Receive control failed (result -22) [ 345.569482][ T9304] block nbd3: Receive control failed (result -22) [ 345.584544][ T9944] block nbd3: shutting down sockets [ 345.631725][ T9946] block nbd2: shutting down sockets 05:54:09 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:54:09 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:09 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getpid() r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:09 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:54:09 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 355.611611][ T9304] block nbd3: Receive control failed (result -22) [ 355.619595][ T9304] block nbd2: Receive control failed (result -22) [ 355.628223][ T9967] block nbd3: shutting down sockets 05:54:09 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 355.653083][ T9969] block nbd2: shutting down sockets 05:54:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:09 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:54:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:09 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 355.810907][ T9304] block nbd3: Receive control failed (result -22) [ 355.819611][ T9985] block nbd3: shutting down sockets 05:54:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 355.872589][ T9304] block nbd2: Receive control failed (result -22) [ 355.884328][ T9993] block nbd2: shutting down sockets [ 356.040774][ T9304] block nbd3: Receive control failed (result -22) [ 356.048854][T10006] block nbd3: shutting down sockets 05:54:17 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:54:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:17 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:54:17 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:17 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:17 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 364.009584][ T9304] block nbd0: Receive control failed (result -22) [ 364.018126][T10019] block nbd0: shutting down sockets 05:54:17 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:17 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 364.103994][T10028] FAT-fs (loop5): Directory bread(block 513) failed [ 364.133207][T10023] FAT-fs (loop1): Directory bread(block 513) failed [ 364.150100][T10028] FAT-fs (loop5): Directory bread(block 514) failed [ 364.188593][T10028] FAT-fs (loop5): Directory bread(block 515) failed [ 364.202710][T10023] FAT-fs (loop1): Directory bread(block 514) failed 05:54:18 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 364.233780][T10028] FAT-fs (loop5): Directory bread(block 516) failed [ 364.242234][ T9304] block nbd0: Receive control failed (result -22) [ 364.249312][T10023] FAT-fs (loop1): Directory bread(block 515) failed [ 364.263846][T10039] block nbd0: shutting down sockets [ 364.276216][T10028] FAT-fs (loop5): Directory bread(block 517) failed [ 364.310182][T10023] FAT-fs (loop1): Directory bread(block 516) failed [ 364.322160][T10028] FAT-fs (loop5): Directory bread(block 518) failed [ 364.329280][T10023] FAT-fs (loop1): Directory bread(block 517) failed 05:54:18 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 364.359769][T10023] FAT-fs (loop1): Directory bread(block 518) failed [ 364.369898][T10028] FAT-fs (loop5): Directory bread(block 519) failed [ 364.393180][T10028] FAT-fs (loop5): Directory bread(block 520) failed [ 364.409010][T10028] FAT-fs (loop5): Directory bread(block 521) failed [ 364.416635][T10023] FAT-fs (loop1): Directory bread(block 519) failed [ 364.425512][T10023] FAT-fs (loop1): Directory bread(block 520) failed [ 364.433163][ T9304] block nbd0: Receive control failed (result -22) [ 364.442046][T10055] block nbd0: shutting down sockets [ 364.448047][T10028] FAT-fs (loop5): Directory bread(block 522) failed [ 364.479830][T10023] FAT-fs (loop1): Directory bread(block 521) failed [ 364.528543][T10023] FAT-fs (loop1): Directory bread(block 522) failed 05:54:24 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, &(0x7f00000019c0)=""/4096, 0x1000}, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:54:24 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:24 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:54:24 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:54:24 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 370.334282][ T9304] block nbd0: Receive control failed (result -22) [ 370.342614][ T9304] block nbd2: Receive control failed (result -22) [ 370.350238][T10067] block nbd0: shutting down sockets [ 370.358766][T10066] block nbd2: shutting down sockets 05:54:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) ioctl$SNDRV_TIMER_IOCTL_GINFO(0xffffffffffffffff, 0xc0f85403, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(0xffffffffffffffff, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:54:24 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:24 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:24 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 370.604903][ T9304] block nbd0: Receive control failed (result -22) [ 370.613133][T10092] block nbd0: shutting down sockets [ 370.671819][ T9304] block nbd2: Receive control failed (result -22) [ 370.699293][T10096] block nbd2: shutting down sockets 05:54:32 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:54:32 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:32 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) ioctl$SNDRV_TIMER_IOCTL_GINFO(0xffffffffffffffff, 0xc0f85403, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(0xffffffffffffffff, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) 05:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 05:54:32 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:32 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 378.682460][ T9304] block nbd0: Receive control failed (result -22) [ 378.689721][ T1531] block nbd3: Receive control failed (result -22) [ 378.701682][ T9304] block nbd2: Receive control failed (result -22) [ 378.709907][T10118] block nbd3: shutting down sockets [ 378.720594][T10119] block nbd2: shutting down sockets 05:54:32 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 05:54:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) [ 378.765574][T10120] block nbd0: shutting down sockets [ 378.783502][T10125] FAT-fs (loop5): Directory bread(block 513) failed [ 378.792665][T10126] FAT-fs (loop1): Directory bread(block 513) failed 05:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 378.850400][T10126] FAT-fs (loop1): Directory bread(block 514) failed [ 378.880711][T10125] FAT-fs (loop5): Directory bread(block 514) failed [ 378.907217][T10131] block nbd3: Receive control failed (result -22) [ 378.915665][T10131] block nbd3: shutting down sockets [ 378.929099][T10126] FAT-fs (loop1): Directory bread(block 515) failed [ 378.936376][T10131] [ 378.938726][T10131] ============================================ [ 378.942329][T10125] FAT-fs (loop5): Directory bread(block 515) failed [ 378.944871][T10131] WARNING: possible recursive locking detected [ 378.944879][T10131] 5.4.0-syzkaller #0 Not tainted [ 378.944881][T10131] -------------------------------------------- [ 378.944885][T10131] kworker/u5:3/10131 is trying to acquire lock: [ 378.944889][T10131] ffff8880a5aea528 ((wq_completion)knbd3-recv){+.+.}, at: flush_workqueue+0xf0/0x14b0 [ 378.944995][T10131] [ 378.944995][T10131] but task is already holding lock: [ 378.958653][T10125] FAT-fs (loop5): Directory bread(block 516) failed [ 378.962652][T10131] ffff8880a5aea528 ((wq_completion)knbd3-recv){+.+.}, at: process_one_work+0x75d/0x10e0 [ 378.962675][T10131] [ 378.962675][T10131] other info that might help us debug this: [ 378.962678][T10131] Possible unsafe locking scenario: [ 378.962678][T10131] [ 378.962680][T10131] CPU0 [ 378.962681][T10131] ---- [ 378.962683][T10131] lock((wq_completion)knbd3-recv); [ 378.962687][T10131] lock((wq_completion)knbd3-recv); [ 378.962692][T10131] [ 378.962692][T10131] *** DEADLOCK *** [ 378.962692][T10131] [ 378.962694][T10131] May be due to missing lock nesting notation [ 378.962694][T10131] [ 378.962700][T10131] 3 locks held by kworker/u5:3/10131: [ 378.962709][T10131] #0: ffff8880a5aea528 ((wq_completion)knbd3-recv){+.+.}, at: process_one_work+0x75d/0x10e0 [ 378.969146][T10126] FAT-fs (loop1): Directory bread(block 516) failed [ 378.975158][T10131] #1: ffff8880936f7d78 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x79f/0x10e0 [ 378.975182][T10131] #2: ffff8880a3243578 (&nbd->config_lock){+.+.}, at: refcount_dec_and_mutex_lock+0x2f/0x60 [ 378.975279][T10131] [ 378.975279][T10131] stack backtrace: 05:54:32 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 378.986340][T10125] FAT-fs (loop5): Directory bread(block 517) failed [ 378.992243][T10131] CPU: 0 PID: 10131 Comm: kworker/u5:3 Not tainted 5.4.0-syzkaller #0 [ 378.992248][T10131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.992318][T10131] Workqueue: knbd3-recv recv_work [ 378.999124][T10126] FAT-fs (loop1): Directory bread(block 517) failed [ 379.008582][T10131] Call Trace: [ 379.008684][T10131] dump_stack+0x1fb/0x318 05:54:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) ioctl$SNDRV_TIMER_IOCTL_GINFO(0xffffffffffffffff, 0xc0f85403, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(0xffffffffffffffff, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r3) [ 379.008725][T10131] validate_chain+0x61bd/0x7bc0 [ 379.016929][T10125] FAT-fs (loop5): Directory bread(block 518) failed [ 379.024233][T10131] ? __kasan_check_read+0x11/0x20 [ 379.024245][T10131] ? mark_lock+0x107/0x1650 [ 379.027618][T10125] FAT-fs (loop5): Directory bread(block 519) failed [ 379.030771][T10131] ? __lock_acquire+0xc75/0x1be0 [ 379.030783][T10131] __lock_acquire+0xc75/0x1be0 [ 379.030803][T10131] ? trace_lock_acquire+0x159/0x1d0 [ 379.036407][T10125] FAT-fs (loop5): Directory bread(block 520) failed [ 379.041322][T10131] lock_acquire+0x158/0x250 [ 379.041332][T10131] ? flush_workqueue+0xf0/0x14b0 [ 379.041342][T10131] flush_workqueue+0x10c/0x14b0 [ 379.041353][T10131] ? flush_workqueue+0xf0/0x14b0 [ 379.049802][T10126] FAT-fs (loop1): Directory bread(block 518) failed [ 379.057975][T10131] ? drain_workqueue+0xb1/0x500 [ 379.057987][T10131] drain_workqueue+0xb9/0x500 [ 379.057995][T10131] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 379.058008][T10131] destroy_workqueue+0x2b/0xe00 [ 379.063508][T10125] FAT-fs (loop5): Directory bread(block 521) failed 05:54:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 379.073535][T10131] ? trace_hardirqs_on+0x74/0x80 [ 379.073549][T10131] nbd_config_put+0x525/0x740 [ 379.080402][T10126] FAT-fs (loop1): Directory bread(block 519) failed [ 379.090672][T10131] recv_work+0x126c/0x12d0 [ 379.090689][T10131] process_one_work+0x7ef/0x10e0 [ 379.090708][T10131] worker_thread+0xc01/0x1630 [ 379.101007][T10125] FAT-fs (loop5): Directory bread(block 522) failed [ 379.106758][T10131] kthread+0x332/0x350 [ 379.106769][T10131] ? rcu_lock_release+0x30/0x30 [ 379.117728][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.121482][T10131] ? kthread_blkcg+0xe0/0xe0 [ 379.121566][T10131] ret_from_fork+0x24/0x30 [ 379.139659][T10147] kobject: 'nbd2' (000000009a16c7b1): kobject_uevent_env [ 379.163307][T10126] FAT-fs (loop1): Directory bread(block 520) failed [ 379.177786][T10147] kobject: 'nbd2' (000000009a16c7b1): fill_kobj_path: path = '/devices/virtual/block/nbd2' [ 379.187386][T10126] FAT-fs (loop1): Directory bread(block 521) failed [ 379.188562][ T8853] block nbd2: Receive control failed (result -22) [ 379.204448][T10147] kobject: 'nbd2' (000000009a16c7b1): kobject_uevent_env [ 379.204487][T10147] kobject: 'nbd2' (000000009a16c7b1): fill_kobj_path: path = '/devices/virtual/block/nbd2' [ 379.205568][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 379.209539][T10126] FAT-fs (loop1): Directory bread(block 522) failed [ 379.217160][T10142] block nbd2: shutting down sockets [ 379.228643][ T3906] kobject: 'loop3' (000000001a8ebef2): kobject_uevent_env [ 379.406853][ T3906] kobject: 'loop3' (000000001a8ebef2): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 379.418104][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.425478][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 379.437373][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.444787][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 379.455929][ T3906] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 379.463071][ T3906] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 379.473910][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.481280][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 379.492181][ T3906] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 379.500237][ T3906] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 379.511094][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.518363][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 379.529269][ T3906] kobject: 'loop2' (000000003867dc8b): kobject_uevent_env [ 379.536477][ T3906] kobject: 'loop2' (000000003867dc8b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 379.564365][T10161] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 379.573406][T10161] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 380.705109][ T3906] kobject: 'loop4' (0000000036cb62f0): kobject_uevent_env [ 380.712350][ T3906] kobject: 'loop4' (0000000036cb62f0): fill_kobj_path: path = '/devices/virtual/block/loop4' 05:54:40 executing program 4: setsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) writev(r1, &(0x7f0000000700), 0x100000000000000c) 05:54:40 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) 05:54:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) 05:54:40 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 386.998814][T10180] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 387.007338][T10180] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 387.024813][T10180] FAT-fs (loop5): Directory bread(block 513) failed [ 387.032222][ T3906] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 387.039328][T10180] FAT-fs (loop5): Directory bread(block 514) failed 05:54:40 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) getpid() r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 387.039367][T10180] FAT-fs (loop5): Directory bread(block 515) failed [ 387.039408][T10180] FAT-fs (loop5): Directory bread(block 516) failed [ 387.052929][ T3906] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 387.061205][T10180] FAT-fs (loop5): Directory bread(block 517) failed [ 387.077421][T10180] FAT-fs (loop5): Directory bread(block 518) failed [ 387.093455][T10180] FAT-fs (loop5): Directory bread(block 519) failed [ 387.100955][T10180] FAT-fs (loop5): Directory bread(block 520) failed [ 387.105172][ T3906] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 387.108346][T10180] FAT-fs (loop5): Directory bread(block 521) failed [ 387.119864][ T3906] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 387.131139][T10180] FAT-fs (loop5): Directory bread(block 522) failed 05:54:41 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) 05:54:41 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) r1 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r2) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) keyctl$assume_authority(0x10, 0x0) [ 387.184537][T10188] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 387.191860][T10188] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 387.206205][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 387.213389][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' 05:54:41 executing program 5: ioctl$BLKGETSIZE64(0xffffffffffffffff, 0x80081272, &(0x7f0000000280)) r0 = syz_open_dev$sndpcmc(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = getpid() ioctl$SIOCRSACCEPT(r0, 0x89e3) sched_setscheduler(r2, 0x5, &(0x7f0000000380)) perf_event_open(0x0, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0x200002, 0x0) fchdir(r3) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010202000270f7f8", 0x16}], 0x0, 0x0) ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000180)={0x3, 0xb9e, &(0x7f0000000080)="4891bd", 0x0, 0x3}) umount2(&(0x7f0000000140)='./file0\x00', 0x4) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000240)) add_key$user(&(0x7f0000000080)='user\x00', 0x0, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a0500000000000000422cb4963a160161b1cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71f", 0x90, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000100)="05", 0x1, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r4) [ 387.268908][T10196] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 387.276740][T10196] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 387.293221][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 387.297891][T10196] FAT-fs (loop1): Directory bread(block 513) failed [ 387.303990][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 387.309380][T10196] FAT-fs (loop1): Directory bread(block 514) failed [ 387.326675][T10196] FAT-fs (loop1): Directory bread(block 515) failed [ 387.333595][T10196] FAT-fs (loop1): Directory bread(block 516) failed [ 387.341403][T10196] FAT-fs (loop1): Directory bread(block 517) failed [ 387.348521][T10196] FAT-fs (loop1): Directory bread(block 518) failed [ 387.355565][T10196] FAT-fs (loop1): Directory bread(block 519) failed [ 387.362390][T10196] FAT-fs (loop1): Directory bread(block 520) failed [ 387.369261][T10196] FAT-fs (loop1): Directory bread(block 521) failed [ 387.376345][T10196] FAT-fs (loop1): Directory bread(block 522) failed [ 387.376667][T10200] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 387.392608][T10200] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 387.409714][ T3906] kobject: 'loop1' (000000008bfb3563): kobject_uevent_env [ 387.419654][ T3906] kobject: 'loop1' (000000008bfb3563): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 387.451154][ T3906] kobject: 'loop5' (0000000059cb0a28): kobject_uevent_env [ 387.460162][ T3906] kobject: 'loop5' (0000000059cb0a28): fill_kobj_path: path = '/devices/virtual/block/loop5'