ab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1928.596611][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1928.607436][ T6924] Dev nbd4: unable to read RDB block 0 [ 1928.631253][ T6924] nbd4: unable to read partition table [ 1928.657682][ T5432] block nbd1: shutting down sockets [ 1928.665171][ T5430] block nbd5: Device being setup by another task 05:01:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 05:01:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1928.720395][ T5441] block nbd0: shutting down sockets [ 1928.726176][ T5442] block nbd2: shutting down sockets [ 1928.758371][ T5440] nbd4: detected capacity change from 0 to 65534 [ 1928.761028][ T5430] block nbd5: shutting down sockets 05:01:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x3a1d41) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r5 = pidfd_getfd(0xffffffffffffffff, r4, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) r8 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x6) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x5) (async) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) ioctl$NBD_SET_SOCK(r6, 0xab00, r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1928.811995][ T5450] block nbd4: shutting down sockets 05:01:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r4 = syz_io_uring_complete(0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) (async) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1928.877614][ T5452] block nbd0: shutting down sockets 05:01:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000080)=0x8) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x6) dup3(r7, r0, 0x80000) ioctl$NBD_DISCONNECT(r6, 0xab03) connect(r5, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1928.991874][ T5456] block nbd1: shutting down sockets 05:01:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1929.040365][ T5466] block nbd2: shutting down sockets [ 1929.040462][ T5461] block nbd5: Device being setup by another task [ 1929.120820][ T5460] block nbd5: shutting down sockets [ 1929.128636][ T5470] block nbd0: shutting down sockets 05:01:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_async', 0x181000, 0x28) ioctl$NBD_DISCONNECT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:06 executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') read(r3, 0x0, 0x0) sendmsg$NL80211_CMD_SET_COALESCE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x2c, r0, 0x20, 0x70bd29, 0x25dfdbfb, {{}, {@void, @void}}, [@NL80211_ATTR_COALESCE_RULE_CONDITION={0x8, 0x2, 0x1}, @NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x10, 0x3, 0x0, 0x1, [{0xc, 0x0, 0x0, 0x1, @NL80211_PKTPAT_OFFSET={0x8, 0x3, 0x4}}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r3, 0x84, 0x1a, &(0x7f0000000500)={0x0, 0x50, "19b077fc3db0eab72b8dd5a260919a63160d5f242d3153a04e11bcc71f5c5277de93ac930e1a2b172aeaa6bbb47ddba3023f2122ea6a6776cb14308d130c2299efe9bd88cb81a1c0adbd818c7625cd23"}, &(0x7f0000000580)=0x58) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f00000005c0)={r4, 0x2, 0xfffffffd, 0x6}, &(0x7f0000000600)=0x10) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000001c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)={0x34, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_DATA_WEP40={0x9, 0x7, "4ff5677c1a"}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x70bd2c, 0x25dfdbfd, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x5, 0x53}}}}, [@NL80211_ATTR_DURATION={0x8, 0x57, 0x4}, @NL80211_ATTR_DURATION={0x8, 0x57, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2c008040}, 0x4000001) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), r5) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r5, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, r8, 0x200, 0x70bd27, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x0, 0x2e}}}}, [@NL80211_ATTR_DURATION={0x8}]}, 0x30}}, 0x2000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r7, 0xab00, r9) r10 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r10, 0xab03) r11 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) 05:01:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1929.167005][ T5471] nbd4: detected capacity change from 0 to 65534 05:01:06 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1929.245940][ T5475] block nbd1: shutting down sockets [ 1929.258407][ T5479] block nbd4: shutting down sockets 05:01:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) 05:01:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x6) dup3(r7, r0, 0x80000) ioctl$NBD_DISCONNECT(r6, 0xab03) connect(r5, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1929.346690][ T5485] block nbd0: shutting down sockets 05:01:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:06 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1929.399166][ T5488] block nbd2: shutting down sockets [ 1929.429206][ T5487] block nbd5: shutting down sockets 05:01:06 executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') read(r3, 0x0, 0x0) (async, rerun: 64) sendmsg$NL80211_CMD_SET_COALESCE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x2c, r0, 0x20, 0x70bd29, 0x25dfdbfb, {{}, {@void, @void}}, [@NL80211_ATTR_COALESCE_RULE_CONDITION={0x8, 0x2, 0x1}, @NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x10, 0x3, 0x0, 0x1, [{0xc, 0x0, 0x0, 0x1, @NL80211_PKTPAT_OFFSET={0x8, 0x3, 0x4}}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async, rerun: 64) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r3, 0x84, 0x1a, &(0x7f0000000500)={0x0, 0x50, "19b077fc3db0eab72b8dd5a260919a63160d5f242d3153a04e11bcc71f5c5277de93ac930e1a2b172aeaa6bbb47ddba3023f2122ea6a6776cb14308d130c2299efe9bd88cb81a1c0adbd818c7625cd23"}, &(0x7f0000000580)=0x58) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f00000005c0)={r4, 0x2, 0xfffffffd, 0x6}, &(0x7f0000000600)=0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000001c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)={0x34, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_DATA_WEP40={0x9, 0x7, "4ff5677c1a"}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}]}, 0x34}}, 0x0) (async) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x70bd2c, 0x25dfdbfd, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x5, 0x53}}}}, [@NL80211_ATTR_DURATION={0x8, 0x57, 0x4}, @NL80211_ATTR_DURATION={0x8, 0x57, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2c008040}, 0x4000001) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), r5) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r5, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, r8, 0x200, 0x70bd27, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x0, 0x2e}}}}, [@NL80211_ATTR_DURATION={0x8}]}, 0x30}}, 0x2000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r7, 0xab00, r9) (async) r10 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r10, 0xab03) (async) r11 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) 05:01:06 executing program 5: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_async', 0x181000, 0x28) ioctl$NBD_DISCONNECT(r0, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1929.564209][ T5489] block nbd1: shutting down sockets 05:01:06 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1929.589736][ T5495] nbd4: detected capacity change from 0 to 65534 05:01:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x201) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080), 0x82a81, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r2, 0xab03) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) 05:01:06 executing program 2: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) (async, rerun: 64) r1 = socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async, rerun: 64) r3 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') (rerun: 64) read(r3, 0x0, 0x0) (async) sendmsg$NL80211_CMD_SET_COALESCE(r3, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x2c, r0, 0x20, 0x70bd29, 0x25dfdbfb, {{}, {@void, @void}}, [@NL80211_ATTR_COALESCE_RULE_CONDITION={0x8, 0x2, 0x1}, @NL80211_ATTR_COALESCE_RULE_PKT_PATTERN={0x10, 0x3, 0x0, 0x1, [{0xc, 0x0, 0x0, 0x1, @NL80211_PKTPAT_OFFSET={0x8, 0x3, 0x4}}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r3, 0x84, 0x1a, &(0x7f0000000500)={0x0, 0x50, "19b077fc3db0eab72b8dd5a260919a63160d5f242d3153a04e11bcc71f5c5277de93ac930e1a2b172aeaa6bbb47ddba3023f2122ea6a6776cb14308d130c2299efe9bd88cb81a1c0adbd818c7625cd23"}, &(0x7f0000000580)=0x58) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f00000005c0)={r4, 0x2, 0xfffffffd, 0x6}, &(0x7f0000000600)=0x10) (async) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000001c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_KEY(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)={0x34, r2, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_DATA_WEP40={0x9, 0x7, "4ff5677c1a"}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x70bd2c, 0x25dfdbfd, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x5, 0x53}}}}, [@NL80211_ATTR_DURATION={0x8, 0x57, 0x4}, @NL80211_ATTR_DURATION={0x8, 0x57, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2c008040}, 0x4000001) (async) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), r5) sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r5, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, r8, 0x200, 0x70bd27, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x0, 0x2e}}}}, [@NL80211_ATTR_DURATION={0x8}]}, 0x30}}, 0x2000) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r7, 0xab00, r9) (async) r10 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r10, 0xab03) (async) r11 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) [ 1929.688165][ T5508] block nbd4: shutting down sockets 05:01:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x6) dup3(r7, r0, 0x80000) ioctl$NBD_DISCONNECT(r6, 0xab03) connect(r5, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:06 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1929.805111][ T5512] block nbd5: Device being setup by another task [ 1929.830541][ T5507] block nbd5: shutting down sockets [ 1929.846130][ T5510] block nbd1: shutting down sockets [ 1929.865740][ T5510] block nbd1: server does not support multiple connections per device. 05:01:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_async', 0x181000, 0x28) (async, rerun: 64) ioctl$NBD_DISCONNECT(r0, 0xab03) (async, rerun: 64) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x201) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080), 0x82a81, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) 05:01:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x80) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x3d) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xa2300) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = accept4$inet(r3, &(0x7f0000000100)={0x2, 0x0, @multicast1}, &(0x7f0000000140)=0x10, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r4, 0x0, 0x11, &(0x7f0000000300)={{{@in6=@private2, @in=@multicast1}}, {{@in6=@empty}, 0x0, @in6=@private0}}, &(0x7f0000000180)=0xe8) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4081) [ 1929.968393][ T5520] nbd4: detected capacity change from 0 to 65534 [ 1930.028047][ T5523] block nbd4: shutting down sockets [ 1930.088470][ C1] blk_print_req_error: 92 callbacks suppressed [ 1930.088490][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.103824][ C1] buffer_io_error: 89 callbacks suppressed [ 1930.103840][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.120932][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.131127][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.143159][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.155248][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.165863][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.178125][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.186399][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.196302][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.204339][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.226354][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.231276][ T5529] block nbd1: Device being setup by another task [ 1930.234344][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.250068][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.256333][ T5528] block nbd5: shutting down sockets [ 1930.261833][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.272692][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.282272][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1930.287104][ T5527] block nbd1: shutting down sockets [ 1930.292258][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.303585][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.311835][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1930.321382][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1930.328241][ T5493] block nbd0: shutting down sockets [ 1930.337430][ T7240] Dev nbd4: unable to read RDB block 0 [ 1930.375587][ T5535] block nbd2: NBD_DISCONNECT 05:01:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:07 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000000), 0x240) close(r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, &(0x7f0000000300)) 05:01:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x201) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080), 0x82a81, 0x0) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r2, 0xab03) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x201) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) (async) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080), 0x82a81, 0x0) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) (async) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) (async) [ 1930.443545][ T7240] nbd4: unable to read partition table [ 1930.481560][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1930.536716][ T5536] block nbd2: Disconnected due to user request. [ 1930.542744][ T7240] Dev nbd4: unable to read RDB block 0 [ 1930.543019][ T5536] block nbd2: shutting down sockets [ 1930.614398][ T7240] nbd4: unable to read partition table [ 1930.685636][ T5538] block nbd1: shutting down sockets 05:01:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) dup3(r6, r0, 0x80000) ioctl$NBD_DISCONNECT(r5, 0xab03) connect(r4, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:07 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) (async) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x80) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x3d) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xa2300) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = accept4$inet(r3, &(0x7f0000000100)={0x2, 0x0, @multicast1}, &(0x7f0000000140)=0x10, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r4, 0x0, 0x11, &(0x7f0000000300)={{{@in6=@private2, @in=@multicast1}}, {{@in6=@empty}, 0x0, @in6=@private0}}, &(0x7f0000000180)=0xe8) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4081) [ 1930.763926][ T5538] block nbd1: server does not support multiple connections per device. [ 1930.824935][ T5551] block nbd5: shutting down sockets 05:01:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="ff1db1f4c23a2235", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250200000008000100000000000c000300ffffffff00000000cab53362cdc63e1cba848aea934bf964830f6376b054dea1d8ee991a1d257d280f2ec56b6c87ddc42364940ffd030d8424b21fa873fc0aac71680cfa9a8f942f839faa27f40a9d5b1359dd5a7683abe4ad61f363a1a8a0c0d1ed94b7bd2a745d5fc6f3cd6581ee3946d007242175709f049706924bcfdc54e1f6cb7b4f8d5047ac60395e7d4d0dcda251bb8660a9d3ea"], 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x48010) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000180)=0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="280000c0", @ANYRES16=r3, @ANYBLOB="00082abd7000fbdbdf250500000008000100000000000c0004000600000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x800) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000200)={'\x00', 0x8, 0x10000, 0x6, 0xfff, 0x8078, r4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4000) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 1930.958555][ T5557] block nbd2: NBD_DISCONNECT 05:01:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x101800, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1930.995267][ T5559] block nbd2: Disconnected due to user request. [ 1930.995588][ T5554] block nbd4: shutting down sockets 05:01:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1931.036831][ T5559] block nbd2: shutting down sockets 05:01:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) dup3(r6, r0, 0x80000) ioctl$NBD_DISCONNECT(r5, 0xab03) connect(r4, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) (async) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x80) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x3d) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xa2300) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) (async) r4 = accept4$inet(r3, &(0x7f0000000100)={0x2, 0x0, @multicast1}, &(0x7f0000000140)=0x10, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r4, 0x0, 0x11, &(0x7f0000000300)={{{@in6=@private2, @in=@multicast1}}, {{@in6=@empty}, 0x0, @in6=@private0}}, &(0x7f0000000180)=0xe8) (async, rerun: 64) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4081) [ 1931.230205][ T5566] block nbd5: NBD_DISCONNECT [ 1931.268352][ T5571] block nbd2: NBD_DISCONNECT [ 1931.284541][ T5566] block nbd5: Disconnected due to user request. [ 1931.286504][ T5570] nbd4: detected capacity change from 0 to 65534 [ 1931.294661][ T5566] block nbd5: shutting down sockets [ 1931.306297][ T5572] block nbd1: shutting down sockets [ 1931.367106][ T5575] block nbd4: shutting down sockets [ 1931.381204][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1931.385918][ T5571] block nbd2: Disconnected due to user request. [ 1931.397549][ T5571] block nbd2: shutting down sockets [ 1931.414816][ T6899] Dev nbd4: unable to read RDB block 0 [ 1931.428346][ T6899] nbd4: unable to read partition table [ 1931.460487][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1931.474393][ T6899] Dev nbd4: unable to read RDB block 0 [ 1931.480772][ T6899] nbd4: unable to read partition table 05:01:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000080)=0x8) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x6) dup3(r7, r0, 0x80000) ioctl$NBD_DISCONNECT(r6, 0xab03) connect(r5, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="ff1db1f4c23a2235", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250200000008000100000000000c000300ffffffff00000000cab53362cdc63e1cba848aea934bf964830f6376b054dea1d8ee991a1d257d280f2ec56b6c87ddc42364940ffd030d8424b21fa873fc0aac71680cfa9a8f942f839faa27f40a9d5b1359dd5a7683abe4ad61f363a1a8a0c0d1ed94b7bd2a745d5fc6f3cd6581ee3946d007242175709f049706924bcfdc54e1f6cb7b4f8d5047ac60395e7d4d0dcda251bb8660a9d3ea"], 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x48010) (async) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000180)=0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="280000c0", @ANYRES16=r3, @ANYBLOB="00082abd7000fbdbdf250500000008000100000000000c0004000600000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x800) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000200)={'\x00', 0x8, 0x10000, 0x6, 0xfff, 0x8078, r4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4000) (async) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) 05:01:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x6) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x6) dup3(r6, r0, 0x80000) ioctl$NBD_DISCONNECT(r5, 0xab03) connect(r4, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1931.516656][ T5102] block nbd0: Receive control failed (result -32) [ 1931.524169][ T5545] block nbd0: shutting down sockets [ 1931.645371][ T5583] blktrace: Concurrent blktraces are not allowed on nbd1 05:01:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1931.734765][ T5586] nbd4: detected capacity change from 0 to 65534 [ 1931.769627][ T5592] block nbd4: shutting down sockets [ 1931.823603][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1931.832777][ T5583] block nbd1: shutting down sockets [ 1931.847226][ T7240] Dev nbd4: unable to read RDB block 0 [ 1931.855295][ T5593] block nbd2: Device being setup by another task 05:01:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000080)=0x8) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x6) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r7, 0xab03) connect(r6, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="ff1db1f4c23a2235", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250200000008000100000000000c000300ffffffff00000000cab53362cdc63e1cba848aea934bf964830f6376b054dea1d8ee991a1d257d280f2ec56b6c87ddc42364940ffd030d8424b21fa873fc0aac71680cfa9a8f942f839faa27f40a9d5b1359dd5a7683abe4ad61f363a1a8a0c0d1ed94b7bd2a745d5fc6f3cd6581ee3946d007242175709f049706924bcfdc54e1f6cb7b4f8d5047ac60395e7d4d0dcda251bb8660a9d3ea"], 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x48010) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000180)=0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="280000c0", @ANYRES16=r3, @ANYBLOB="00082abd7000fbdbdf250500000008000100000000000c0004000600000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x800) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000200)={'\x00', 0x8, 0x10000, 0x6, 0xfff, 0x8078, r4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4000) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="ff1db1f4c23a2235", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250200000008000100000000000c000300ffffffff00000000cab53362cdc63e1cba848aea934bf964830f6376b054dea1d8ee991a1d257d280f2ec56b6c87ddc42364940ffd030d8424b21fa873fc0aac71680cfa9a8f942f839faa27f40a9d5b1359dd5a7683abe4ad61f363a1a8a0c0d1ed94b7bd2a745d5fc6f3cd6581ee3946d007242175709f049706924bcfdc54e1f6cb7b4f8d5047ac60395e7d4d0dcda251bb8660a9d3ea"], 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x48010) (async) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="280000c0", @ANYRES16=r3, @ANYBLOB="00082abd7000fbdbdf250500000008000100000000000c0004000600000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x800) (async) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000200)={'\x00', 0x8, 0x10000, 0x6, 0xfff, 0x8078, r4}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4000) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) (async) 05:01:08 executing program 3: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1931.874733][ T7240] nbd4: unable to read partition table [ 1931.906326][ T7240] ldm_validate_partition_table(): Disk read failed. 05:01:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1931.937918][ T7240] Dev nbd4: unable to read RDB block 0 [ 1931.962406][ T7240] nbd4: unable to read partition table [ 1931.966133][ T5597] block nbd2: Device being setup by another task [ 1931.975871][ T5593] block nbd2: shutting down sockets [ 1932.009849][ T5601] blktrace: Concurrent blktraces are not allowed on nbd1 05:01:09 executing program 3: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1932.080821][ T5602] nbd5: detected capacity change from 0 to 65534 [ 1932.131966][ T5607] block nbd1: shutting down sockets [ 1932.132001][ T5606] block nbd5: shutting down sockets [ 1932.163922][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1932.180227][ T5605] nbd4: detected capacity change from 0 to 65534 [ 1932.198094][ T6924] Dev nbd5: unable to read RDB block 0 [ 1932.214481][ T6924] nbd5: unable to read partition table [ 1932.228398][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1932.236758][ T6924] Dev nbd5: unable to read RDB block 0 [ 1932.253029][ T6924] nbd5: unable to read partition table [ 1932.265229][ T5611] block nbd4: shutting down sockets [ 1932.279140][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1932.292115][ T7240] Dev nbd4: unable to read RDB block 0 [ 1932.301785][ T7240] nbd4: unable to read partition table [ 1932.312018][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1932.332057][ T7240] Dev nbd4: unable to read RDB block 0 [ 1932.343342][ T7240] nbd4: unable to read partition table 05:01:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x6) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x6) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 05:01:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nfc(&(0x7f0000000080), 0xffffffffffffffff) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f00000000c0)=0x0) sendmsg$NFC_CMD_ACTIVATE_TARGET(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032abd7000dbdf251c00000008000158", @ANYRES32=0x0, @ANYBLOB="0800040001140000080003000100000008000100", @ANYRES32=r2, @ANYBLOB], 0x34}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x18000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000240), r0) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x14, r7, 0x4, 0x70bd2d, 0x25dfdbff, {}, [""]}, 0x14}}, 0x4000) 05:01:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BLKZEROOUT(r0, 0x127f, &(0x7f0000000000)={0x1f, 0x4}) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:09 executing program 3: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1932.456046][ T5102] block nbd0: Receive control failed (result -32) [ 1932.464161][ T5587] block nbd0: shutting down sockets 05:01:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1932.658578][ T5625] nbd4: detected capacity change from 0 to 65534 [ 1932.667944][ T5628] block nbd5: shutting down sockets [ 1932.678277][ T5629] block nbd1: shutting down sockets 05:01:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x101800, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r5}, 0x10) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nfc(&(0x7f0000000080), 0xffffffffffffffff) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f00000000c0)=0x0) sendmsg$NFC_CMD_ACTIVATE_TARGET(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032abd7000dbdf251c00000008000158", @ANYRES32=0x0, @ANYBLOB="0800040001140000080003000100000008000100", @ANYRES32=r2, @ANYBLOB], 0x34}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x18000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000240), r0) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x14, r7, 0x4, 0x70bd2d, 0x25dfdbff, {}, [""]}, 0x14}}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nfc(&(0x7f0000000080), 0xffffffffffffffff) (async) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f00000000c0)) (async) sendmsg$NFC_CMD_ACTIVATE_TARGET(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032abd7000dbdf251c00000008000158", @ANYRES32=0x0, @ANYBLOB="0800040001140000080003000100000008000100", @ANYRES32=r2, @ANYBLOB], 0x34}, 0x1, 0x0, 0x0, 0x4004}, 0x0) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x18000) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) (async) syz_genetlink_get_family_id$nfc(&(0x7f0000000240), r0) (async) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x14, r7, 0x4, 0x70bd2d, 0x25dfdbff, {}, [""]}, 0x14}}, 0x4000) (async) [ 1932.702544][ T5627] block nbd2: Device being setup by another task [ 1932.732935][ T5632] block nbd4: shutting down sockets [ 1932.745540][ T5631] block nbd2: Device being setup by another task [ 1932.778728][ T5627] block nbd2: shutting down sockets [ 1932.789942][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1932.813056][ T7240] Dev nbd4: unable to read RDB block 0 [ 1932.834792][ T7240] nbd4: unable to read partition table 05:01:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x6) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1932.879674][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1932.907635][ T7240] Dev nbd4: unable to read RDB block 0 [ 1932.939178][ T7240] nbd4: unable to read partition table [ 1932.976579][ T5637] block nbd5: NBD_DISCONNECT [ 1933.046468][ T5644] block nbd1: shutting down sockets [ 1933.092617][ T5643] nbd4: detected capacity change from 0 to 65534 [ 1933.115680][ T5646] block nbd5: Disconnected due to user request. [ 1933.124063][ T5652] block nbd4: shutting down sockets [ 1933.129977][ T5646] block nbd5: shutting down sockets [ 1933.147039][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1933.166070][ T5651] block nbd2: shutting down sockets [ 1933.184790][ T7240] Dev nbd4: unable to read RDB block 0 [ 1933.194325][ T7240] nbd4: unable to read partition table [ 1933.241384][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1933.272634][ T7240] Dev nbd4: unable to read RDB block 0 [ 1933.300267][ T7240] nbd4: unable to read partition table 05:01:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_genetlink_get_family_id$nfc(&(0x7f0000000080), 0xffffffffffffffff) (rerun: 32) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f00000000c0)=0x0) sendmsg$NFC_CMD_ACTIVATE_TARGET(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032abd7000dbdf251c00000008000158", @ANYRES32=0x0, @ANYBLOB="0800040001140000080003000100000008000100", @ANYRES32=r2, @ANYBLOB], 0x34}, 0x1, 0x0, 0x0, 0x4004}, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x18000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000240), r0) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x14, r7, 0x4, 0x70bd2d, 0x25dfdbff, {}, [""]}, 0x14}}, 0x4000) [ 1933.368086][ T5102] block nbd0: Receive control failed (result -32) [ 1933.375953][ T5616] block nbd0: shutting down sockets 05:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0xe7ea98ab5b029fb2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = fcntl$dupfd(r1, 0x406, r0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x6240) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1933.560290][ T5665] nbd5: detected capacity change from 0 to 65534 [ 1933.579440][ T5661] block nbd2: shutting down sockets [ 1933.591477][ T5666] block nbd1: shutting down sockets [ 1933.621873][ T5664] block nbd4: shutting down sockets 05:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0xe7ea98ab5b029fb2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) fcntl$dupfd(r1, 0x406, r0) (async) r3 = fcntl$dupfd(r1, 0x406, r0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1933.647375][ T5675] block nbd5: shutting down sockets [ 1933.670717][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1933.699217][ T7042] Dev nbd5: unable to read RDB block 0 [ 1933.710689][ T5673] block nbd3: shutting down sockets [ 1933.718491][ T7042] nbd5: unable to read partition table 05:01:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1933.752187][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1933.805766][ T7042] Dev nbd5: unable to read RDB block 0 [ 1933.812074][ T7042] nbd5: unable to read partition table [ 1933.845337][ T5679] block nbd2: shutting down sockets [ 1933.851604][ T5678] block nbd1: shutting down sockets 05:01:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x6240) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0xe7ea98ab5b029fb2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = fcntl$dupfd(r1, 0x406, r0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1933.968751][ T5686] block nbd3: shutting down sockets [ 1933.978167][ T5685] nbd4: detected capacity change from 0 to 65534 [ 1934.009134][ T9] block nbd4: Possible stuck request ffff88801d6e5a00: control (read@0,4096B). Runtime 0 seconds [ 1934.051957][ T5689] block nbd4: shutting down sockets 05:01:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1934.074697][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1934.115510][ T6899] Dev nbd4: unable to read RDB block 0 [ 1934.130444][ T6899] nbd4: unable to read partition table [ 1934.136828][ T5692] block nbd2: shutting down sockets [ 1934.161347][ T5688] nbd5: detected capacity change from 0 to 65534 [ 1934.164652][ T5694] block nbd1: shutting down sockets [ 1934.192343][ T6899] ldm_validate_partition_table(): Disk read failed. 05:01:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x6240) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x6240) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 05:01:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1934.213429][ T6899] Dev nbd4: unable to read RDB block 0 [ 1934.238294][ T6899] nbd4: unable to read partition table [ 1934.252720][ T5699] block nbd5: shutting down sockets [ 1934.282118][ T5700] block nbd3: shutting down sockets [ 1934.296074][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1934.318837][ T7240] Dev nbd5: unable to read RDB block 0 [ 1934.325720][ T5102] block nbd0: Receive control failed (result -32) [ 1934.326234][ T5668] block nbd0: shutting down sockets [ 1934.387597][ T7240] nbd5: unable to read partition table [ 1934.410420][ T5704] nbd4: detected capacity change from 0 to 2050 [ 1934.430075][ T7240] ldm_validate_partition_table(): Disk read failed. 05:01:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat2(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x980, 0x8, 0x14}, 0x18) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x20000) 05:01:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 1934.452662][ T7240] Dev nbd5: unable to read RDB block 0 [ 1934.461175][ T7240] nbd5: unable to read partition table [ 1934.462327][ T5706] block nbd4: shutting down sockets [ 1934.482087][ T5705] block nbd1: shutting down sockets [ 1934.531680][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1934.543803][ T7042] Dev nbd4: unable to read RDB block 0 [ 1934.558135][ T5708] block nbd3: shutting down sockets [ 1934.571789][ T7042] nbd4: unable to read partition table 05:01:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1934.603885][ T7042] ldm_validate_partition_table(): Disk read failed. 05:01:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x203) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xc4040) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x200) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xfffffffffffffffb) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1934.645196][ T7042] Dev nbd4: unable to read RDB block 0 [ 1934.681626][ T7042] nbd4: unable to read partition table [ 1934.693757][ T5715] block nbd2: shutting down sockets [ 1934.736209][ T5710] nbd5: detected capacity change from 0 to 65534 [ 1934.757534][ T5726] block nbd3: shutting down sockets [ 1934.780799][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1934.800988][ T5725] Dev nbd4: unable to read RDB block 0 [ 1934.807145][ T5717] block nbd5: shutting down sockets [ 1934.809317][ T5725] nbd4: unable to read partition table [ 1934.826679][ T5728] block nbd1: shutting down sockets 05:01:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat2(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x980, 0x8, 0x14}, 0x18) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) (async) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x20000) [ 1934.832689][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1934.834122][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1934.861814][ T7240] Dev nbd5: unable to read RDB block 0 [ 1934.865803][ T5725] Dev nbd4: unable to read RDB block 0 05:01:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 05:01:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x203) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xc4040) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x200) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xfffffffffffffffb) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1934.883595][ T5725] nbd4: unable to read partition table [ 1934.894516][ T7240] nbd5: unable to read partition table [ 1934.909957][ T5727] ldm_validate_partition_table(): Disk read failed. [ 1934.938052][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1934.940473][ T5727] Dev nbd4: unable to read RDB block 0 [ 1934.973425][ T5727] nbd4: unable to read partition table [ 1934.975112][ T7240] Dev nbd5: unable to read RDB block 0 05:01:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1935.000690][ T7240] nbd5: unable to read partition table [ 1935.017816][ T5725] ldm_validate_partition_table(): Disk read failed. [ 1935.033771][ T5725] Dev nbd4: unable to read RDB block 0 [ 1935.058831][ T5725] nbd4: unable to read partition table [ 1935.096147][ T9] blk_print_req_error: 471 callbacks suppressed [ 1935.096166][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.112154][ T9] buffer_io_error: 460 callbacks suppressed [ 1935.112170][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.116319][ T5735] block nbd3: shutting down sockets [ 1935.135236][ T5736] block nbd2: Device being setup by another task [ 1935.136091][ T5738] block nbd1: shutting down sockets [ 1935.152622][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.162093][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.170435][ T5731] ldm_validate_partition_table(): Disk read failed. [ 1935.177772][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.184822][ T5736] block nbd2: shutting down sockets [ 1935.188784][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read 05:01:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat2(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x980, 0x8, 0x14}, 0x18) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x20000) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) openat2(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x980, 0x8, 0x14}, 0x18) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) (async) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) (async) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x20000) (async) [ 1935.214406][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.224948][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.234181][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.243457][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.253360][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.263521][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.273294][ T5731] Dev nbd4: unable to read RDB block 0 [ 1935.282779][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.293622][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.295097][ T5742] nbd5: detected capacity change from 0 to 65534 [ 1935.304042][ T9] I/O error, dev nbd4, sector 24 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.317034][ T9] Buffer I/O error on dev nbd4, logical block 3, async page read [ 1935.330779][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.340097][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.360441][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1935.370345][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1935.371555][ T5745] block nbd5: shutting down sockets [ 1935.382067][ T5731] nbd4: unable to read partition table [ 1935.394240][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1935.402787][ T7240] Dev nbd5: unable to read RDB block 0 [ 1935.409293][ T7240] nbd5: unable to read partition table [ 1935.421736][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1935.429269][ T7240] Dev nbd5: unable to read RDB block 0 [ 1935.436050][ T7240] nbd5: unable to read partition table [ 1935.450387][T27923] block nbd0: Receive control failed (result -32) [ 1935.455654][ T5716] block nbd0: shutting down sockets [ 1935.463300][ T5746] block nbd2: shutting down sockets 05:01:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x203) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 64) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 64) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xc4040) (async, rerun: 64) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x200) (async) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0xfffffffffffffffb) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r3, 0x8983, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x5) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x101000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1935.619297][ T5750] nbd4: detected capacity change from 0 to 2050 [ 1935.677449][ T5763] block nbd4: shutting down sockets [ 1935.688786][ T5759] nbd5: detected capacity change from 0 to 65534 [ 1935.691517][ T5757] nbd0: detected capacity change from 0 to 2050 05:01:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1935.754079][ T5761] block nbd1: shutting down sockets [ 1935.760097][ T5766] block nbd5: shutting down sockets [ 1935.767184][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1935.768141][ T5765] block nbd0: shutting down sockets [ 1935.780527][ T7240] Dev nbd4: unable to read RDB block 0 [ 1935.787205][ T7240] nbd4: unable to read partition table [ 1935.808271][T24863] ldm_validate_partition_table(): Disk read failed. [ 1935.815881][T24863] Dev nbd5: unable to read RDB block 0 [ 1935.822199][T24863] nbd5: unable to read partition table [ 1935.833747][T24863] ldm_validate_partition_table(): Disk read failed. [ 1935.845760][T24863] Dev nbd5: unable to read RDB block 0 [ 1935.851310][ T7240] ldm_validate_partition_table(): Disk read failed. 05:01:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1935.855558][T24863] nbd5: unable to read partition table [ 1935.886540][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1935.906564][ T7240] Dev nbd4: unable to read RDB block 0 [ 1935.917630][ T6924] Dev nbd0: unable to read RDB block 0 [ 1935.935717][ T7240] nbd4: unable to read partition table [ 1935.946012][ T6924] nbd0: unable to read partition table [ 1935.957489][ T5767] block nbd2: server does not support multiple connections per device. 05:01:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) (async) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r3, 0x8983, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x5) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x101000) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1936.004861][ T5767] block nbd2: shutting down sockets [ 1936.015882][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1936.042200][ T6924] Dev nbd0: unable to read RDB block 0 [ 1936.047828][ T5772] block nbd5: shutting down sockets 05:01:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1936.085258][ T5773] nbd4: detected capacity change from 0 to 2050 [ 1936.092516][ T5769] block nbd1: shutting down sockets [ 1936.099097][ T6924] nbd0: unable to read partition table [ 1936.144042][ T5776] block nbd4: shutting down sockets 05:01:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1936.293650][ T5779] nbd0: detected capacity change from 0 to 2050 [ 1936.303601][ T5785] block nbd5: shutting down sockets [ 1936.310769][ T5780] block nbd2: Device being setup by another task [ 1936.342110][ T5789] block nbd0: shutting down sockets [ 1936.381104][ T5783] block nbd2: shutting down sockets [ 1936.397181][T28712] block nbd3: Receive control failed (result -32) [ 1936.404291][ T5788] block nbd1: shutting down sockets [ 1936.411350][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1936.416363][ T5753] block nbd3: shutting down sockets [ 1936.420138][ T7042] Dev nbd0: unable to read RDB block 0 [ 1936.430245][ T7042] nbd0: unable to read partition table 05:01:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r3, 0x8983, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x5) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x101000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1936.466990][ T7042] ldm_validate_partition_table(): Disk read failed. 05:01:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1936.518190][ T7042] Dev nbd0: unable to read RDB block 0 05:01:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x101800, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab08) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r5 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r5}, 0x10) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1936.565431][ T7042] nbd0: unable to read partition table [ 1936.590651][ T5795] block nbd5: shutting down sockets 05:01:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1936.649020][ T5803] block nbd4: shutting down sockets [ 1936.665707][ T5798] block nbd2: Device being setup by another task [ 1936.683081][ T5799] block nbd2: shutting down sockets [ 1936.738986][ T5807] block nbd0: NBD_DISCONNECT 05:01:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') read(r2, 0x0, 0x0) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r2, 0x1, &(0x7f0000000000)={0x1038, r1}, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1936.785274][ T5808] block nbd1: Device being setup by another task [ 1936.809612][ T5808] block nbd1: shutting down sockets 05:01:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x30000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1936.862352][ T5810] nbd5: detected capacity change from 0 to 65534 [ 1936.888306][ T5812] block nbd0: Disconnected due to user request. [ 1936.911227][ T5814] block nbd5: shutting down sockets [ 1936.912178][ T5812] block nbd0: shutting down sockets [ 1936.978889][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1936.992230][ T7240] Dev nbd5: unable to read RDB block 0 [ 1937.018879][ T7240] nbd5: unable to read partition table 05:01:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1937.033767][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1937.042683][ T7240] Dev nbd5: unable to read RDB block 0 [ 1937.051058][ T7240] nbd5: unable to read partition table [ 1937.055403][ T5818] block nbd2: shutting down sockets 05:01:14 executing program 0: ioperm(0x0, 0x4fd, 0x7) r0 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000000000)={0x2, 0x0, 0x10000}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000300)=ANY=[@ANYBLOB="180000000080005300000000fafc64ff0000940000000fad413e550000000f00000095ad5405f24feb8e41ffc99d5f5d5f5cd774fd395db9d42d810d3a6223c00325ccd8a2b0dd1e06d4121864c627e0f9870b8734d2b12f89abeb312bfa79f1c21b6bf8314fd8720964f7b278fb06b66dbc7c8ff720a146cbfc781df48f1e1a0cd7801f1b3804a6"], &(0x7f0000000180)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) getrlimit(0x6, &(0x7f00000002c0)) r5 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000001c0)='sched_process_wait\x00', r4}, 0x10) r6 = bpf$ITER_CREATE(0xb, &(0x7f0000000100)={r5}, 0x8) mlock(&(0x7f00005ea000/0x2000)=nil, 0x2000) write$cgroup_int(r6, &(0x7f00000001c0), 0xfffffdef) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='cq_alloc_error\x00', r6}, 0x10) madvise(&(0x7f0000000000/0x400000)=nil, 0x40001e, 0x15) [ 1937.099409][ T5820] block nbd4: shutting down sockets [ 1937.298575][ T5825] nbd5: detected capacity change from 0 to 65534 [ 1937.356475][ T5827] block nbd5: shutting down sockets [ 1937.643267][T28712] block nbd3: Receive control failed (result -32) [ 1937.670044][ T5805] block nbd3: shutting down sockets 05:01:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') read(r2, 0x0, 0x0) (async) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r2, 0x1, &(0x7f0000000000)={0x1038, r1}, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:15 executing program 1: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x30000) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x30000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(0x0, 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:15 executing program 0: ioperm(0x0, 0x4fd, 0x7) r0 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000000000)={0x2, 0x0, 0x10000}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000300)=ANY=[@ANYBLOB="180000000080005300000000fafc64ff0000940000000fad413e550000000f00000095ad5405f24feb8e41ffc99d5f5d5f5cd774fd395db9d42d810d3a6223c00325ccd8a2b0dd1e06d4121864c627e0f9870b8734d2b12f89abeb312bfa79f1c21b6bf8314fd8720964f7b278fb06b66dbc7c8ff720a146cbfc781df48f1e1a0cd7801f1b3804a6"], &(0x7f0000000180)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) getrlimit(0x6, &(0x7f00000002c0)) r5 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000001c0)='sched_process_wait\x00', r4}, 0x10) r6 = bpf$ITER_CREATE(0xb, &(0x7f0000000100)={r5}, 0x8) mlock(&(0x7f00005ea000/0x2000)=nil, 0x2000) write$cgroup_int(r6, &(0x7f00000001c0), 0xfffffdef) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='cq_alloc_error\x00', r6}, 0x10) madvise(&(0x7f0000000000/0x400000)=nil, 0x40001e, 0x15) [ 1938.269090][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1938.285634][ T7240] Dev nbd5: unable to read RDB block 0 [ 1938.291931][ T7240] nbd5: unable to read partition table 05:01:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1938.337032][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1938.357739][ T7240] Dev nbd5: unable to read RDB block 0 [ 1938.379572][ T7240] nbd5: unable to read partition table [ 1938.459527][ T5833] block nbd2: shutting down sockets 05:01:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x30000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1938.993451][ T5845] block nbd4: shutting down sockets 05:01:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0x80041284) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:16 executing program 1: ioperm(0x0, 0x4fd, 0x7) r0 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') ioperm(0x5, 0x7, 0x401) read(r0, 0x0, 0x0) 05:01:16 executing program 4: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1939.471476][ T5102] block nbd3: Receive control failed (result -32) [ 1939.483232][ T5840] block nbd3: shutting down sockets 05:01:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_procfs(0x0, &(0x7f0000002080)='net/ip_tables_matches\x00') read(r2, 0x0, 0x0) (async) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r2, 0x1, &(0x7f0000000000)={0x1038, r1}, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1939.517200][ T5847] nbd5: detected capacity change from 0 to 65534 [ 1939.574867][ T5849] block nbd5: shutting down sockets 05:01:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x8000) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x1e11a000000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1939.605645][ T5856] block nbd0: shutting down sockets 05:01:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x8000) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x1e11a000000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1939.711743][ T5859] block nbd2: shutting down sockets 05:01:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x200) [ 1939.806571][ T5870] block nbd4: shutting down sockets 05:01:16 executing program 4: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1939.885707][ T5868] block nbd3: shutting down sockets [ 1939.892447][ T5875] nbd5: detected capacity change from 0 to 65534 05:01:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1939.929638][ T5869] block nbd5: shutting down sockets [ 1939.946537][ T5874] block nbd1: Device being setup by another task [ 1939.962895][ T5874] block nbd1: shutting down sockets [ 1939.990747][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1940.006709][ T5872] block nbd0: shutting down sockets [ 1940.010863][ T7042] Dev nbd5: unable to read RDB block 0 [ 1940.022259][ T5880] block nbd2: shutting down sockets [ 1940.042148][ T7042] nbd5: unable to read partition table [ 1940.047938][ T5865] nbd1: detected capacity change from 0 to 4132630953984 [ 1940.053395][ T5872] nbd0: detected capacity change from 0 to 4132630953984 [ 1940.070925][ T5877] nbd2: detected capacity change from 0 to 1 [ 1940.085920][T10977] ldm_validate_partition_table(): Disk read failed. 05:01:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1940.114925][ T94] blk_print_req_error: 271 callbacks suppressed [ 1940.114945][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.130989][ T94] buffer_io_error: 267 callbacks suppressed [ 1940.131005][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1940.132571][ T9] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.155041][ T5883] block nbd4: shutting down sockets 05:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x200) 05:01:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xc0045878) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1940.161562][ T9] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1940.169746][ T9] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.179643][ T9] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1940.188020][ T9] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.199475][ T9] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1940.212725][ T9] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.215153][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.221944][ T9] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1940.235424][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1940.238870][T10977] Dev nbd1: unable to read RDB block 0 [ 1940.248794][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.252097][ T9] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.264431][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1940.270018][ T9] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1940.297718][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.306947][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1940.316294][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1940.326110][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1940.334545][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1940.344431][ T7042] Dev nbd5: unable to read RDB block 0 [ 1940.352752][ T7042] nbd5: unable to read partition table 05:01:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0x4b47) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:17 executing program 4: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1940.368192][T10977] nbd1: unable to read partition table [ 1940.396332][T10977] ldm_validate_partition_table(): Disk read failed. [ 1940.428377][T10977] Dev nbd1: unable to read RDB block 0 [ 1940.445522][ T5882] block nbd3: shutting down sockets [ 1940.463084][T10977] nbd1: unable to read partition table [ 1940.497680][ T5892] nbd5: detected capacity change from 0 to 65534 [ 1940.527186][ T5889] block nbd0: shutting down sockets [ 1940.549767][ T5896] block nbd5: shutting down sockets 05:01:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0x127b) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1940.574138][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1940.597718][ T5890] block nbd2: server does not support multiple connections per device. [ 1940.599125][ T7240] Dev nbd5: unable to read RDB block 0 [ 1940.612352][ T7240] nbd5: unable to read partition table [ 1940.614690][ T5893] block nbd1: shutting down sockets 05:01:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1940.637019][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1940.655659][ T7240] Dev nbd5: unable to read RDB block 0 [ 1940.661884][ T7240] nbd5: unable to read partition table [ 1940.685984][ T5895] block nbd2: shutting down sockets [ 1940.695760][ T5901] block nbd4: shutting down sockets 05:01:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x200) 05:01:17 executing program 1: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x0) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000002dc0), 0x2, 0x0) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:17 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1940.865614][ T5907] block nbd5: shutting down sockets [ 1940.895324][ T5906] block nbd0: shutting down sockets 05:01:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1940.955986][ T5913] block nbd3: shutting down sockets [ 1940.973028][ T5916] block nbd2: shutting down sockets 05:01:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 1) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1941.055661][ T5920] block nbd5: shutting down sockets 05:01:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) sendmsg$nl_route(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB="48000000180000082dbd7000ffdbdf2580002007fc0200050011000008000200ac1414aa08000400", @ANYRES32=0x0, @ANYBLOB="0c000004000001000e00000005001b000100000057fbc813fb606c0456bc99316ae9e753d1f4676dfb374a03fdccf64da4460e37219ff8188680036c96dd319670e9c79cac9de1e8d4b0856d47c7229658bdd945232849c81660887281ac60fa53854f3e37687b71af64e70fd0d4fbdcf3e7f55277c8468776c31da81d2bd892c87c22a8e9c11ef19b5d1a939380afb6"], 0x48}, 0x1, 0x0, 0x0, 0x20040030}, 0x4000011) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x12480, 0x80) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x490481, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1941.113081][ T5923] block nbd4: shutting down sockets [ 1941.128813][ T5924] block nbd1: shutting down sockets [ 1941.152603][ T5922] FAULT_INJECTION: forcing a failure. [ 1941.152603][ T5922] name failslab, interval 1, probability 0, space 0, times 0 [ 1941.175322][ T5922] CPU: 0 PID: 5922 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1941.185707][ T5922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1941.195801][ T5922] Call Trace: [ 1941.199116][ T5922] [ 1941.202079][ T5922] dump_stack_lvl+0x125/0x1b0 [ 1941.206813][ T5922] should_fail_ex+0x496/0x5b0 05:01:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1941.211562][ T5922] should_failslab+0x9/0x20 [ 1941.216110][ T5922] __kmem_cache_alloc_node+0x5f/0x460 [ 1941.221538][ T5922] ? tomoyo_realpath_from_path+0xb9/0x710 [ 1941.227319][ T5922] __kmalloc+0x49/0x90 [ 1941.231432][ T5922] tomoyo_realpath_from_path+0xb9/0x710 [ 1941.237049][ T5922] ? tomoyo_profile+0x47/0x60 [ 1941.241780][ T5922] tomoyo_path_number_perm+0x241/0x580 [ 1941.247300][ T5922] ? tomoyo_path_number_perm+0x22e/0x580 [ 1941.252990][ T5922] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1941.258870][ T5922] ? __fget_files+0x1c1/0x340 [ 1941.263592][ T5922] ? reacquire_held_locks+0x4c0/0x4c0 [ 1941.269030][ T5922] security_file_ioctl+0x72/0xb0 [ 1941.271231][ T5929] block nbd0: shutting down sockets [ 1941.274007][ T5922] __x64_sys_ioctl+0xbb/0x210 [ 1941.274045][ T5922] do_syscall_64+0x40/0x110 [ 1941.288541][ T5922] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1941.294486][ T5922] RIP: 0033:0x7f8a4987cae9 [ 1941.298936][ T5922] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1941.318682][ T5922] RSP: 002b:00007f8a4a6c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1941.327231][ T5922] RAX: ffffffffffffffda RBX: 00007f8a4999bf80 RCX: 00007f8a4987cae9 [ 1941.335248][ T5922] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1941.343241][ T5922] RBP: 00007f8a4a6c4120 R08: 0000000000000000 R09: 0000000000000000 [ 1941.351308][ T5922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 05:01:18 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1941.359281][ T5922] R13: 000000000000000b R14: 00007f8a4999bf80 R15: 00007ffc90db9d68 [ 1941.367272][ T5922] 05:01:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) sendmsg$nl_route(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB="48000000180000082dbd7000ffdbdf2580002007fc0200050011000008000200ac1414aa08000400", @ANYRES32=0x0, @ANYBLOB="0c000004000001000e00000005001b000100000057fbc813fb606c0456bc99316ae9e753d1f4676dfb374a03fdccf64da4460e37219ff8188680036c96dd319670e9c79cac9de1e8d4b0856d47c7229658bdd945232849c81660887281ac60fa53854f3e37687b71af64e70fd0d4fbdcf3e7f55277c8468776c31da81d2bd892c87c22a8e9c11ef19b5d1a939380afb6"], 0x48}, 0x1, 0x0, 0x0, 0x20040030}, 0x4000011) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x12480, 0x80) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) (async) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x490481, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1941.431036][ T5926] block nbd5: shutting down sockets [ 1941.440224][ T5935] block nbd2: shutting down sockets [ 1941.441224][ T5936] block nbd3: shutting down sockets 05:01:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 1) [ 1941.524863][ T5922] ERROR: Out of memory at tomoyo_realpath_from_path. 05:01:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 2) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) sendmsg$nl_route(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB="48000000180000082dbd7000ffdbdf2580002007fc0200050011000008000200ac1414aa08000400", @ANYRES32=0x0, @ANYBLOB="0c000004000001000e00000005001b000100000057fbc813fb606c0456bc99316ae9e753d1f4676dfb374a03fdccf64da4460e37219ff8188680036c96dd319670e9c79cac9de1e8d4b0856d47c7229658bdd945232849c81660887281ac60fa53854f3e37687b71af64e70fd0d4fbdcf3e7f55277c8468776c31da81d2bd892c87c22a8e9c11ef19b5d1a939380afb6"], 0x48}, 0x1, 0x0, 0x0, 0x20040030}, 0x4000011) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x12480, 0x80) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x490481, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) (async) sendmsg$nl_route(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB="48000000180000082dbd7000ffdbdf2580002007fc0200050011000008000200ac1414aa08000400", @ANYRES32=0x0, @ANYBLOB="0c000004000001000e00000005001b000100000057fbc813fb606c0456bc99316ae9e753d1f4676dfb374a03fdccf64da4460e37219ff8188680036c96dd319670e9c79cac9de1e8d4b0856d47c7229658bdd945232849c81660887281ac60fa53854f3e37687b71af64e70fd0d4fbdcf3e7f55277c8468776c31da81d2bd892c87c22a8e9c11ef19b5d1a939380afb6"], 0x48}, 0x1, 0x0, 0x0, 0x20040030}, 0x4000011) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) openat$damon_kdamond_pid(0xffffffffffffff9c, &(0x7f0000000000), 0x12480, 0x80) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) (async) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x490481, 0x0) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) [ 1941.667549][ T5948] block nbd4: shutting down sockets [ 1941.696828][ T5949] block nbd1: NBD_DISCONNECT 05:01:18 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1941.763683][ T5953] FAULT_INJECTION: forcing a failure. [ 1941.763683][ T5953] name failslab, interval 1, probability 0, space 0, times 0 [ 1941.802478][ T5953] CPU: 0 PID: 5953 Comm: syz-executor.1 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1941.812916][ T5953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1941.823014][ T5953] Call Trace: [ 1941.826349][ T5953] [ 1941.829398][ T5953] dump_stack_lvl+0x125/0x1b0 [ 1941.834113][ T5953] should_fail_ex+0x496/0x5b0 [ 1941.838820][ T5953] should_failslab+0x9/0x20 [ 1941.843373][ T5953] __kmem_cache_alloc_node+0x5f/0x460 [ 1941.848809][ T5953] ? tomoyo_realpath_from_path+0xb9/0x710 [ 1941.854586][ T5953] __kmalloc+0x49/0x90 [ 1941.858709][ T5953] tomoyo_realpath_from_path+0xb9/0x710 [ 1941.864317][ T5953] ? tomoyo_profile+0x47/0x60 [ 1941.869052][ T5953] tomoyo_path_number_perm+0x241/0x580 [ 1941.874577][ T5953] ? tomoyo_path_number_perm+0x22e/0x580 [ 1941.880268][ T5953] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1941.886143][ T5953] ? __fget_files+0x1c1/0x340 [ 1941.890872][ T5953] ? reacquire_held_locks+0x4c0/0x4c0 [ 1941.896301][ T5953] security_file_ioctl+0x72/0xb0 [ 1941.901309][ T5953] __x64_sys_ioctl+0xbb/0x210 [ 1941.906380][ T5953] do_syscall_64+0x40/0x110 [ 1941.910934][ T5953] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1941.916892][ T5953] RIP: 0033:0x7fb86907cae9 [ 1941.921454][ T5953] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1941.941111][ T5953] RSP: 002b:00007fb869d030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1941.949580][ T5953] RAX: ffffffffffffffda RBX: 00007fb86919c050 RCX: 00007fb86907cae9 [ 1941.957592][ T5953] RDX: 0000000000000000 RSI: 000000000000ab08 RDI: 0000000000000003 [ 1941.965603][ T5953] RBP: 00007fb869d03120 R08: 0000000000000000 R09: 0000000000000000 [ 1941.973612][ T5953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1941.981640][ T5953] R13: 000000000000006e R14: 00007fb86919c050 R15: 00007ffe41d96698 [ 1941.989746][ T5953] [ 1942.001987][ T5963] FAULT_INJECTION: forcing a failure. [ 1942.001987][ T5963] name failslab, interval 1, probability 0, space 0, times 0 [ 1942.016408][ T5962] block nbd3: shutting down sockets [ 1942.022453][ T5953] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1942.023192][ T5963] CPU: 0 PID: 5963 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1942.038568][ T5953] block nbd1: NBD_DISCONNECT [ 1942.039890][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1942.039911][ T5963] Call Trace: [ 1942.039922][ T5963] [ 1942.039933][ T5963] dump_stack_lvl+0x125/0x1b0 [ 1942.039971][ T5963] should_fail_ex+0x496/0x5b0 [ 1942.046029][ T5966] block nbd0: shutting down sockets [ 1942.054597][ T5963] should_failslab+0x9/0x20 [ 1942.054638][ T5963] __kmem_cache_alloc_node+0x5f/0x460 [ 1942.054682][ T5963] ? tomoyo_encode2+0x100/0x3d0 [ 1942.054725][ T5963] __kmalloc+0x49/0x90 [ 1942.054754][ T5963] tomoyo_encode2+0x100/0x3d0 [ 1942.054800][ T5963] tomoyo_encode+0x29/0x50 [ 1942.054839][ T5963] tomoyo_realpath_from_path+0x196/0x710 [ 1942.054890][ T5963] tomoyo_path_number_perm+0x241/0x580 [ 1942.054931][ T5963] ? tomoyo_path_number_perm+0x22e/0x580 [ 1942.054972][ T5963] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1942.055022][ T5963] ? __fget_files+0x1c1/0x340 [ 1942.055055][ T5963] ? reacquire_held_locks+0x4c0/0x4c0 [ 1942.055105][ T5963] security_file_ioctl+0x72/0xb0 [ 1942.055160][ T5963] __x64_sys_ioctl+0xbb/0x210 [ 1942.055192][ T5963] do_syscall_64+0x40/0x110 [ 1942.055226][ T5963] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1942.055272][ T5963] RIP: 0033:0x7f8a4987cae9 [ 1942.055295][ T5963] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1942.055326][ T5963] RSP: 002b:00007f8a4a6820c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1942.055358][ T5963] RAX: ffffffffffffffda RBX: 00007f8a4999c120 RCX: 00007f8a4987cae9 [ 1942.055380][ T5963] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1942.055398][ T5963] RBP: 00007f8a4a682120 R08: 0000000000000000 R09: 0000000000000000 [ 1942.213450][ T5963] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1942.221437][ T5963] R13: 000000000000006e R14: 00007f8a4999c120 R15: 00007ffc90db9d68 [ 1942.229426][ T5963] [ 1942.241829][ T5963] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1942.295475][ T5961] block nbd4: shutting down sockets 05:01:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1942.325392][ T5968] block nbd2: shutting down sockets 05:01:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 3) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xa9) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) getpeername(r1, &(0x7f0000000080)=@ax25={{0x3, @netrom}, [@netrom, @null, @netrom, @rose, @default, @default, @bcast, @bcast]}, &(0x7f0000000100)=0x80) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1942.471433][T28712] block nbd1: Disconnected due to user request. 05:01:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 2) [ 1942.595922][ T5974] block nbd3: shutting down sockets 05:01:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1942.643541][ T5984] block nbd2: shutting down sockets 05:01:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x0, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1942.677028][ T5978] FAULT_INJECTION: forcing a failure. [ 1942.677028][ T5978] name failslab, interval 1, probability 0, space 0, times 0 [ 1942.739644][ T5978] CPU: 0 PID: 5978 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1942.749312][ T5986] block nbd4: shutting down sockets [ 1942.750016][ T5978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1942.750035][ T5978] Call Trace: [ 1942.750046][ T5978] [ 1942.750057][ T5978] dump_stack_lvl+0x125/0x1b0 [ 1942.776235][ T5978] should_fail_ex+0x496/0x5b0 [ 1942.780972][ T5978] should_failslab+0x9/0x20 [ 1942.785527][ T5978] kmem_cache_alloc+0x61/0x360 [ 1942.790346][ T5978] ? hlock_class+0x4e/0x130 [ 1942.794899][ T5978] __kernfs_new_node+0xd3/0x890 [ 1942.799788][ T5978] ? kernfs_path_from_node+0x60/0x60 [ 1942.805113][ T5978] ? blk_mq_update_nr_hw_queues+0x80c/0x1350 [ 1942.811230][ T5978] ? reacquire_held_locks+0x4c0/0x4c0 [ 1942.816656][ T5978] ? preempt_count_sub+0x160/0x160 [ 1942.821805][ T5978] ? trace_contention_end+0xd6/0x100 [ 1942.827148][ T5978] kernfs_new_node+0x94/0x110 [ 1942.831879][ T5978] __kernfs_create_file+0x53/0x340 [ 1942.837042][ T5978] sysfs_add_file_mode_ns+0x1ff/0x3b0 [ 1942.842470][ T5978] sysfs_create_file_ns+0x13e/0x1d0 [ 1942.847720][ T5978] ? blk_mq_update_nr_hw_queues+0x80c/0x1350 [ 1942.853738][ T5978] ? sysfs_add_file_mode_ns+0x3b0/0x3b0 [ 1942.859326][ T5978] ? set_disk_ro+0x1b9/0x210 [ 1942.863934][ T5978] ? nbd_ioctl+0x151/0xd60 [ 1942.868373][ T5978] ? blk_mq_map_swqueue+0x1010/0x1010 [ 1942.873773][ T5978] device_create_file+0xf2/0x1e0 [ 1942.878730][ T5978] nbd_start_device+0x35f/0xd70 [ 1942.883601][ T5978] ? security_capable+0x92/0xc0 [ 1942.888476][ T5978] nbd_ioctl+0x21a/0xd60 [ 1942.892735][ T5978] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 1942.897870][ T5978] ? nbd_start_device+0xd70/0xd70 [ 1942.902916][ T5978] ? __fget_files+0x1c1/0x340 [ 1942.907607][ T5978] ? nbd_start_device+0xd70/0xd70 [ 1942.912649][ T5978] blkdev_ioctl+0x2f9/0x770 [ 1942.917167][ T5978] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1942.922640][ T5978] ? selinux_file_ioctl+0x17d/0x270 [ 1942.927885][ T5978] ? selinux_file_ioctl+0xb5/0x270 [ 1942.933024][ T5978] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1942.938495][ T5978] __x64_sys_ioctl+0x18f/0x210 [ 1942.943446][ T5978] do_syscall_64+0x40/0x110 [ 1942.947984][ T5978] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1942.953902][ T5978] RIP: 0033:0x7f8a4987cae9 [ 1942.958322][ T5978] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1942.977947][ T5978] RSP: 002b:00007f8a4a6c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1942.986371][ T5978] RAX: ffffffffffffffda RBX: 00007f8a4999bf80 RCX: 00007f8a4987cae9 [ 1942.994436][ T5978] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1943.002413][ T5978] RBP: 00007f8a4a6c4120 R08: 0000000000000000 R09: 0000000000000000 [ 1943.010390][ T5978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1943.018364][ T5978] R13: 000000000000000b R14: 00007f8a4999bf80 R15: 00007ffc90db9d68 [ 1943.026348][ T5978] 05:01:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 64) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xa9) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) getpeername(r1, &(0x7f0000000080)=@ax25={{0x3, @netrom}, [@netrom, @null, @netrom, @rose, @default, @default, @bcast, @bcast]}, &(0x7f0000000100)=0x80) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1943.054438][ T5978] block nbd0: device_create_file failed for pid! [ 1943.082175][ T5993] block nbd1: NBD_DISCONNECT [ 1943.121896][ T5995] block nbd3: shutting down sockets 05:01:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1943.146580][ T5993] block nbd1: NBD_DISCONNECT 05:01:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x0, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1943.187599][ T5985] block nbd0: shutting down sockets 05:01:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 4) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1943.279733][ T5998] block nbd2: shutting down sockets 05:01:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1943.319287][ T6002] block nbd4: shutting down sockets 05:01:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xa9) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) getpeername(r1, &(0x7f0000000080)=@ax25={{0x3, @netrom}, [@netrom, @null, @netrom, @rose, @default, @default, @bcast, @bcast]}, &(0x7f0000000100)=0x80) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0xa9) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) getpeername(r1, &(0x7f0000000080)=@ax25={{0x3, @netrom}, [@netrom, @null, @netrom, @rose, @default, @default, @bcast, @bcast]}, &(0x7f0000000100)=0x80) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) [ 1943.388484][ T6008] block nbd3: shutting down sockets 05:01:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x0, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1943.438402][ T6010] FAULT_INJECTION: forcing a failure. [ 1943.438402][ T6010] name failslab, interval 1, probability 0, space 0, times 0 [ 1943.493216][ T6010] CPU: 1 PID: 6010 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1943.503620][ T6010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1943.513718][ T6010] Call Trace: [ 1943.517034][ T6010] [ 1943.519995][ T6010] dump_stack_lvl+0x125/0x1b0 [ 1943.524719][ T6010] should_fail_ex+0x496/0x5b0 [ 1943.529456][ T6010] should_failslab+0x9/0x20 [ 1943.534002][ T6010] kmem_cache_alloc_lru+0x65/0x630 [ 1943.539175][ T6010] __d_alloc+0x32/0xac0 [ 1943.543457][ T6010] ? hlock_class+0x4e/0x130 [ 1943.548022][ T6010] d_alloc+0x4e/0x220 [ 1943.552045][ T6010] d_alloc_parallel+0xe9/0x12d0 [ 1943.556954][ T6010] ? __d_lookup_rcu+0x4e0/0x4e0 [ 1943.561876][ T6010] ? lockdep_init_map_type+0x16d/0x7d0 [ 1943.567399][ T6010] ? mark_lock+0xb5/0xc50 [ 1943.571801][ T6010] ? lockdep_init_map_type+0x16d/0x7d0 [ 1943.577312][ T6010] __lookup_slow+0x194/0x450 [ 1943.581957][ T6010] ? lookup_open.isra.0+0x13b0/0x13b0 [ 1943.587382][ T6010] ? reacquire_held_locks+0x4c0/0x4c0 [ 1943.592808][ T6010] ? secondary_startup_64_no_verify+0x11b/0x16b [ 1943.599108][ T6010] ? secondary_startup_64_no_verify+0x11b/0x16b [ 1943.605408][ T6010] ? d_lookup+0xe9/0x180 [ 1943.609699][ T6010] lookup_one_len+0x17d/0x1b0 [ 1943.614432][ T6010] ? __lookup_slow+0x450/0x450 [ 1943.619241][ T6010] ? do_raw_spin_unlock+0x173/0x230 [ 1943.624500][ T6010] start_creating.part.0+0x12f/0x3a0 [ 1943.629842][ T6010] debugfs_create_dir+0x6c/0x5b0 [ 1943.634831][ T6010] ? device_create_file+0xfa/0x1e0 [ 1943.639979][ T6010] nbd_start_device+0x3f0/0xd70 [ 1943.644907][ T6010] ? security_capable+0x92/0xc0 [ 1943.649196][ T5991] block nbd1: Disconnected due to user request. [ 1943.649780][ T6010] nbd_ioctl+0x21a/0xd60 [ 1943.660288][ T6010] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 1943.665441][ T6010] ? nbd_start_device+0xd70/0xd70 [ 1943.667200][ T5991] block nbd1: shutting down sockets [ 1943.670492][ T6010] ? __fget_files+0x1c1/0x340 [ 1943.670531][ T6010] ? nbd_start_device+0xd70/0xd70 [ 1943.670570][ T6010] blkdev_ioctl+0x2f9/0x770 [ 1943.690081][ T6010] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1943.695593][ T6010] ? selinux_file_ioctl+0x17d/0x270 [ 1943.700850][ T6010] ? selinux_file_ioctl+0xb5/0x270 [ 1943.706021][ T6010] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1943.711529][ T6010] __x64_sys_ioctl+0x18f/0x210 [ 1943.716339][ T6010] do_syscall_64+0x40/0x110 [ 1943.720892][ T6010] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1943.726865][ T6010] RIP: 0033:0x7f8a4987cae9 [ 1943.731310][ T6010] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1943.750959][ T6010] RSP: 002b:00007f8a4a6c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1943.759421][ T6010] RAX: ffffffffffffffda RBX: 00007f8a4999bf80 RCX: 00007f8a4987cae9 [ 1943.767430][ T6010] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1943.775436][ T6010] RBP: 00007f8a4a6c4120 R08: 0000000000000000 R09: 0000000000000000 [ 1943.783442][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1943.791442][ T6010] R13: 000000000000000b R14: 00007f8a4999bf80 R15: 00007ffc90db9d68 [ 1943.799450][ T6010] [ 1943.827523][ T6010] block nbd0: Failed to create debugfs dir for 'nbd0' [ 1943.834855][ T6015] block nbd0: shutting down sockets 05:01:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 3) 05:01:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1943.837191][ T6023] block nbd2: shutting down sockets [ 1943.855803][ T6014] block nbd4: shutting down sockets 05:01:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 5) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1943.903058][ T6020] block nbd3: shutting down sockets 05:01:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, 0x0, &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1944.006730][ T6029] block nbd1: NBD_DISCONNECT 05:01:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10280) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r3, 0xab08) 05:01:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1944.076454][ T6032] FAULT_INJECTION: forcing a failure. [ 1944.076454][ T6032] name failslab, interval 1, probability 0, space 0, times 0 [ 1944.136504][ T6032] CPU: 1 PID: 6032 Comm: syz-executor.1 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1944.146894][ T6032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1944.156964][ T6032] Call Trace: [ 1944.160249][ T6032] [ 1944.163184][ T6032] dump_stack_lvl+0x125/0x1b0 [ 1944.167879][ T6032] should_fail_ex+0x496/0x5b0 [ 1944.172582][ T6032] should_failslab+0x9/0x20 [ 1944.177096][ T6032] __kmem_cache_alloc_node+0x5f/0x460 [ 1944.182497][ T6032] ? tomoyo_encode2+0x100/0x3d0 [ 1944.187401][ T6032] __kmalloc+0x49/0x90 [ 1944.191483][ T6032] tomoyo_encode2+0x100/0x3d0 [ 1944.196181][ T6032] tomoyo_encode+0x29/0x50 [ 1944.200616][ T6032] tomoyo_realpath_from_path+0x196/0x710 [ 1944.206281][ T6032] tomoyo_path_number_perm+0x241/0x580 [ 1944.211764][ T6032] ? tomoyo_path_number_perm+0x22e/0x580 [ 1944.217413][ T6032] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1944.223243][ T6032] ? __fget_files+0x1c1/0x340 [ 1944.227934][ T6032] ? reacquire_held_locks+0x4c0/0x4c0 [ 1944.233334][ T6032] security_file_ioctl+0x72/0xb0 [ 1944.238333][ T6032] __x64_sys_ioctl+0xbb/0x210 [ 1944.243128][ T6032] do_syscall_64+0x40/0x110 [ 1944.247676][ T6032] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1944.253590][ T6032] RIP: 0033:0x7fb86907cae9 [ 1944.258021][ T6032] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1944.277641][ T6032] RSP: 002b:00007fb869d030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1944.286074][ T6032] RAX: ffffffffffffffda RBX: 00007fb86919c050 RCX: 00007fb86907cae9 [ 1944.294054][ T6032] RDX: 0000000000000000 RSI: 000000000000ab08 RDI: 0000000000000003 [ 1944.302031][ T6032] RBP: 00007fb869d03120 R08: 0000000000000000 R09: 0000000000000000 [ 1944.310022][ T6032] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1944.318025][ T6032] R13: 000000000000006e R14: 00007fb86919c050 R15: 00007ffe41d96698 [ 1944.326021][ T6032] [ 1944.342550][ T6037] FAULT_INJECTION: forcing a failure. [ 1944.342550][ T6037] name failslab, interval 1, probability 0, space 0, times 0 [ 1944.355657][ T6037] CPU: 0 PID: 6037 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1944.366049][ T6037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1944.376146][ T6037] Call Trace: [ 1944.379459][ T6037] [ 1944.382419][ T6037] dump_stack_lvl+0x125/0x1b0 [ 1944.387146][ T6037] should_fail_ex+0x496/0x5b0 [ 1944.392153][ T6037] should_failslab+0x9/0x20 [ 1944.396717][ T6037] kmem_cache_alloc_lru+0x65/0x630 [ 1944.398627][ T6032] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1944.402388][ T6037] __d_alloc+0x32/0xac0 [ 1944.402429][ T6037] ? hlock_class+0x4e/0x130 [ 1944.402467][ T6037] d_alloc+0x4e/0x220 [ 1944.421851][ T6037] d_alloc_parallel+0xe9/0x12d0 [ 1944.426767][ T6037] ? __d_lookup_rcu+0x4e0/0x4e0 [ 1944.431675][ T6037] ? lockdep_init_map_type+0x16d/0x7d0 [ 1944.437192][ T6037] ? mark_lock+0xb5/0xc50 [ 1944.441578][ T6037] ? lockdep_init_map_type+0x16d/0x7d0 [ 1944.447097][ T6037] __lookup_slow+0x194/0x450 [ 1944.451751][ T6037] ? lookup_open.isra.0+0x13b0/0x13b0 [ 1944.457253][ T6037] ? reacquire_held_locks+0x4c0/0x4c0 [ 1944.462669][ T6037] ? secondary_startup_64_no_verify+0x11b/0x16b [ 1944.468965][ T6037] ? secondary_startup_64_no_verify+0x11b/0x16b [ 1944.475250][ T6037] ? d_lookup+0xe9/0x180 [ 1944.479522][ T6037] lookup_one_len+0x17d/0x1b0 [ 1944.484221][ T6037] ? __lookup_slow+0x450/0x450 [ 1944.489001][ T6037] ? do_raw_spin_unlock+0x173/0x230 [ 1944.494224][ T6037] start_creating.part.0+0x12f/0x3a0 [ 1944.499582][ T6037] debugfs_create_dir+0x6c/0x5b0 [ 1944.504549][ T6037] ? device_create_file+0xfa/0x1e0 [ 1944.509676][ T6037] nbd_start_device+0x3f0/0xd70 [ 1944.514561][ T6037] ? security_capable+0x92/0xc0 [ 1944.519435][ T6037] nbd_ioctl+0x21a/0xd60 [ 1944.523705][ T6037] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 1944.528851][ T6037] ? nbd_start_device+0xd70/0xd70 [ 1944.533906][ T6037] ? __fget_files+0x1c1/0x340 [ 1944.538606][ T6037] ? nbd_start_device+0xd70/0xd70 [ 1944.543655][ T6037] blkdev_ioctl+0x2f9/0x770 [ 1944.548182][ T6037] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1944.553656][ T6037] ? selinux_file_ioctl+0x17d/0x270 [ 1944.558880][ T6037] ? selinux_file_ioctl+0xb5/0x270 [ 1944.564032][ T6037] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1944.569515][ T6037] __x64_sys_ioctl+0x18f/0x210 [ 1944.574294][ T6037] do_syscall_64+0x40/0x110 [ 1944.578813][ T6037] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1944.584732][ T6037] RIP: 0033:0x7f8a4987cae9 [ 1944.589168][ T6037] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1944.608789][ T6037] RSP: 002b:00007f8a4a6a30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1944.617217][ T6037] RAX: ffffffffffffffda RBX: 00007f8a4999c050 RCX: 00007f8a4987cae9 [ 1944.625198][ T6037] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1944.633281][ T6037] RBP: 00007f8a4a6a3120 R08: 0000000000000000 R09: 0000000000000000 [ 1944.641278][ T6037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1944.649266][ T6037] R13: 000000000000006e R14: 00007f8a4999c050 R15: 00007ffc90db9d68 [ 1944.657250][ T6037] [ 1944.668846][ T6044] block nbd2: NBD_DISCONNECT [ 1944.670596][ T6032] block nbd1: NBD_DISCONNECT 05:01:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10280) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r3, 0xab08) [ 1944.696163][ T6037] block nbd0: Failed to create debugfs dir for 'nbd0' [ 1944.720555][ T6035] block nbd4: shutting down sockets 05:01:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1944.752225][ T6048] block nbd3: shutting down sockets [ 1944.759567][ T6029] block nbd1: Disconnected due to user request. [ 1944.777065][ T6029] block nbd1: shutting down sockets [ 1944.825493][ T6034] block nbd0: shutting down sockets 05:01:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, 0x0, &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 4) 05:01:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 6) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1944.957394][ T6056] block nbd2: NBD_DISCONNECT 05:01:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10280) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r3, 0xab08) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10280) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r3, 0xab08) (async) [ 1944.987826][ T6054] nbd5: detected capacity change from 0 to 65534 [ 1945.045386][ T6051] block nbd4: shutting down sockets [ 1945.046403][ T6060] block nbd1: NBD_DISCONNECT [ 1945.077425][ T6062] FAULT_INJECTION: forcing a failure. [ 1945.077425][ T6062] name failslab, interval 1, probability 0, space 0, times 0 05:01:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1945.091398][ T6062] CPU: 0 PID: 6062 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1945.101780][ T6062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1945.111868][ T6062] Call Trace: [ 1945.115175][ T6062] [ 1945.118130][ T6062] dump_stack_lvl+0x125/0x1b0 [ 1945.122923][ T6062] should_fail_ex+0x496/0x5b0 [ 1945.127659][ T6062] should_failslab+0x9/0x20 [ 1945.132208][ T6062] kmem_cache_alloc+0x61/0x360 [ 1945.137031][ T6062] security_inode_alloc+0x38/0x180 [ 1945.142201][ T6062] inode_init_always+0xbef/0xee0 [ 1945.147196][ T6062] alloc_inode+0x7a/0x220 [ 1945.151579][ T6062] new_inode+0x22/0x260 [ 1945.155789][ T6062] ? start_creating.part.0+0x25d/0x3a0 [ 1945.161298][ T6062] debugfs_create_dir+0xdd/0x5b0 [ 1945.166292][ T6062] ? device_create_file+0xfa/0x1e0 [ 1945.171447][ T6062] nbd_start_device+0x3f0/0xd70 [ 1945.176349][ T6062] ? security_capable+0x92/0xc0 [ 1945.181255][ T6062] nbd_ioctl+0x21a/0xd60 [ 1945.185551][ T6062] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 1945.190708][ T6062] ? nbd_start_device+0xd70/0xd70 [ 1945.195782][ T6062] ? __fget_files+0x1c1/0x340 [ 1945.200507][ T6062] ? nbd_start_device+0xd70/0xd70 [ 1945.205585][ T6062] blkdev_ioctl+0x2f9/0x770 [ 1945.210138][ T6062] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1945.215646][ T6062] ? selinux_file_ioctl+0x17d/0x270 [ 1945.220895][ T6062] ? selinux_file_ioctl+0xb5/0x270 [ 1945.226060][ T6062] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1945.230608][ T6065] block nbd3: shutting down sockets [ 1945.231536][ T6062] __x64_sys_ioctl+0x18f/0x210 [ 1945.231574][ T6062] do_syscall_64+0x40/0x110 [ 1945.246044][ T6062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1945.251968][ T6062] RIP: 0033:0x7f8a4987cae9 [ 1945.256386][ T6062] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1945.276006][ T6062] RSP: 002b:00007f8a4a6c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1945.284432][ T6062] RAX: ffffffffffffffda RBX: 00007f8a4999bf80 RCX: 00007f8a4987cae9 [ 1945.292412][ T6062] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1945.300390][ T6062] RBP: 00007f8a4a6c4120 R08: 0000000000000000 R09: 0000000000000000 [ 1945.308368][ T6062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1945.316342][ T6062] R13: 000000000000000b R14: 00007f8a4999bf80 R15: 00007ffc90db9d68 [ 1945.324325][ T6062] [ 1945.345088][ T6069] block nbd2: NBD_DISCONNECT [ 1945.352194][ T6062] debugfs: out of free dentries, can not create directory 'nbd0' [ 1945.364907][ T6069] block nbd2: NBD_DISCONNECT [ 1945.369928][ T6062] block nbd0: Failed to create debugfs dir for 'nbd0' [ 1945.372027][ T6074] block nbd1: NBD_DISCONNECT 05:01:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, 0x0, &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0xfff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 1945.392892][ T6071] block nbd0: shutting down sockets 05:01:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (fail_nth: 7) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1945.494562][ T6070] block nbd4: shutting down sockets 05:01:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(0x0, 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1945.609606][ T6081] FAULT_INJECTION: forcing a failure. [ 1945.609606][ T6081] name failslab, interval 1, probability 0, space 0, times 0 [ 1945.625097][ T6081] CPU: 1 PID: 6081 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1945.635491][ T6081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1945.645578][ T6081] Call Trace: [ 1945.648890][ T6081] [ 1945.651843][ T6081] dump_stack_lvl+0x125/0x1b0 [ 1945.656568][ T6081] should_fail_ex+0x496/0x5b0 [ 1945.661301][ T6081] should_failslab+0x9/0x20 [ 1945.665849][ T6081] kmem_cache_alloc+0x61/0x360 [ 1945.670668][ T6081] security_inode_alloc+0x38/0x180 [ 1945.675826][ T6081] inode_init_always+0xbef/0xee0 [ 1945.680799][ T6081] alloc_inode+0x7a/0x220 [ 1945.685154][ T6081] new_inode+0x22/0x260 [ 1945.689331][ T6081] ? start_creating.part.0+0x25d/0x3a0 [ 1945.694805][ T6081] debugfs_create_dir+0xdd/0x5b0 [ 1945.699762][ T6081] ? device_create_file+0xfa/0x1e0 [ 1945.704882][ T6081] nbd_start_device+0x3f0/0xd70 [ 1945.709748][ T6081] ? security_capable+0x92/0xc0 [ 1945.714618][ T6081] nbd_ioctl+0x21a/0xd60 [ 1945.718880][ T6081] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 1945.724007][ T6081] ? nbd_start_device+0xd70/0xd70 [ 1945.729052][ T6081] ? __fget_files+0x1c1/0x340 [ 1945.733754][ T6081] ? nbd_start_device+0xd70/0xd70 [ 1945.738793][ T6081] blkdev_ioctl+0x2f9/0x770 [ 1945.743311][ T6081] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1945.748793][ T6081] ? selinux_file_ioctl+0x17d/0x270 [ 1945.754012][ T6081] ? selinux_file_ioctl+0xb5/0x270 [ 1945.759145][ T6081] ? blkdev_common_ioctl+0x1ce0/0x1ce0 [ 1945.764616][ T6081] __x64_sys_ioctl+0x18f/0x210 [ 1945.769392][ T6081] do_syscall_64+0x40/0x110 [ 1945.773911][ T6081] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1945.779825][ T6081] RIP: 0033:0x7f8a4987cae9 [ 1945.784243][ T6081] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1945.803859][ T6081] RSP: 002b:00007f8a4a6c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1945.812287][ T6081] RAX: ffffffffffffffda RBX: 00007f8a4999bf80 RCX: 00007f8a4987cae9 [ 1945.820264][ T6081] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1945.828240][ T6081] RBP: 00007f8a4a6c4120 R08: 0000000000000000 R09: 0000000000000000 [ 1945.836214][ T6081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1945.844192][ T6081] R13: 000000000000000b R14: 00007f8a4999bf80 R15: 00007ffc90db9d68 [ 1945.852181][ T6081] [ 1945.864299][ T6085] block nbd2: shutting down sockets [ 1945.868783][ T6081] debugfs: out of free dentries, can not create directory 'nbd0' [ 1945.881065][ T5102] block nbd1: Disconnected due to user request. [ 1945.901291][ T6087] block nbd3: shutting down sockets [ 1945.908496][ T6083] nbd4: detected capacity change from 0 to 2050 05:01:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 5) [ 1945.920427][ T6081] block nbd0: Failed to create debugfs dir for 'nbd0' [ 1945.961120][ T6088] block nbd4: shutting down sockets [ 1946.055457][ C0] blk_print_req_error: 68 callbacks suppressed [ 1946.055480][ C0] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.070792][ C0] buffer_io_error: 65 callbacks suppressed [ 1946.070808][ C0] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.084667][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.094042][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.099615][ T6090] block nbd1: NBD_DISCONNECT [ 1946.106877][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.116166][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.131692][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.140987][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.148902][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.160274][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.168813][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.172167][ T6091] block nbd1: NBD_DISCONNECT [ 1946.177945][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.178238][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.201894][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.209907][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.218994][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.226795][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1946.233564][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.242764][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.250857][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1946.262109][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1946.270457][ T6899] Dev nbd4: unable to read RDB block 0 [ 1946.276634][ T6899] nbd4: unable to read partition table [ 1946.289256][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1946.296610][ T6899] Dev nbd4: unable to read RDB block 0 [ 1946.303825][ T6899] nbd4: unable to read partition table [ 1946.387136][T27923] block nbd0: Receive control failed (result -32) [ 1946.393688][ T6081] block nbd0: shutting down sockets [ 1946.856538][ T5102] block nbd1: Disconnected due to user request. [ 1947.937583][ T6054] block nbd5: shutting down sockets [ 1947.950084][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1947.957685][ T7042] Dev nbd5: unable to read RDB block 0 [ 1947.965836][ T7042] nbd5: unable to read partition table [ 1947.976479][ T7042] ldm_validate_partition_table(): Disk read failed. 05:01:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0xfff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0xfff}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) 05:01:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(0x0, 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) (fail_nth: 6) [ 1947.983720][ T7042] Dev nbd5: unable to read RDB block 0 [ 1947.990041][ T7042] nbd5: unable to read partition table [ 1948.136846][ T6104] block nbd1: NBD_DISCONNECT [ 1948.145417][ T6099] nbd4: detected capacity change from 0 to 2050 [ 1948.163702][ T6105] block nbd2: shutting down sockets [ 1948.180055][ T6106] block nbd3: shutting down sockets 05:01:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0xfff}}, './file0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0xfff}}, './file0\x00'}) (async) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) [ 1948.191870][ T6110] block nbd0: shutting down sockets [ 1948.203998][ T6103] nbd5: detected capacity change from 0 to 65534 [ 1948.212400][ T6104] block nbd1: NBD_DISCONNECT [ 1948.217174][ T6111] block nbd4: shutting down sockets [ 1948.227551][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1948.241252][ T6104] FAULT_INJECTION: forcing a failure. [ 1948.241252][ T6104] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1948.253515][ T7240] Dev nbd4: unable to read RDB block 0 [ 1948.276854][ T7240] nbd4: unable to read partition table 05:01:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1948.310409][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1948.310901][ T6104] CPU: 0 PID: 6104 Comm: syz-executor.1 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1948.327367][ T6104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1948.337515][ T6104] Call Trace: [ 1948.340877][ T6104] [ 1948.343835][ T6104] dump_stack_lvl+0x125/0x1b0 [ 1948.345910][ T7240] Dev nbd4: unable to read RDB block 0 [ 1948.348540][ T6104] should_fail_ex+0x496/0x5b0 [ 1948.348590][ T6104] _copy_from_user+0x30/0xf0 [ 1948.348622][ T6104] kstrtouint_from_user+0xd7/0x1b0 [ 1948.348656][ T6104] ? kstrtouint+0x130/0x130 [ 1948.348692][ T6104] ? lock_sync+0x190/0x190 [ 1948.348734][ T6104] proc_fail_nth_write+0x84/0x260 [ 1948.358308][ T7240] nbd4: unable to read partition table [ 1948.358823][ T6104] ? proc_task_getattr+0x230/0x230 [ 1948.358881][ T6104] vfs_write+0x2a4/0xdf0 [ 1948.397532][ T6104] ? proc_task_getattr+0x230/0x230 [ 1948.402688][ T6104] ? kernel_write+0x6c0/0x6c0 [ 1948.407416][ T6104] ? mutex_trylock+0x130/0x130 [ 1948.412306][ T6104] ? __fget_files+0x1c6/0x340 [ 1948.416999][ T6104] ksys_write+0x12f/0x250 [ 1948.421371][ T6104] ? __ia32_sys_read+0xb0/0xb0 [ 1948.426174][ T6104] ? syscall_enter_from_user_mode+0x7f/0x120 [ 1948.432208][ T6104] do_syscall_64+0x40/0x110 [ 1948.436757][ T6104] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1948.442701][ T6104] RIP: 0033:0x7fb86907b82f 05:01:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(0x0, 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1948.447144][ T6104] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 80 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c 81 02 00 48 [ 1948.466883][ T6104] RSP: 002b:00007fb869d030c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 1948.475331][ T6104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb86907b82f [ 1948.483322][ T6104] RDX: 0000000000000001 RSI: 00007fb869d03130 RDI: 0000000000000009 [ 1948.491480][ T6104] RBP: 00007fb869d03120 R08: 0000000000000000 R09: 0000000000000000 [ 1948.499485][ T6104] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 1948.507494][ T6104] R13: 000000000000006e R14: 00007fb86919c050 R15: 00007ffe41d96698 [ 1948.515500][ T6104] [ 1948.538332][ T6116] block nbd3: shutting down sockets 05:01:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x2) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1948.560789][ T6101] block nbd1: Disconnected due to user request. [ 1948.572261][ T6101] block nbd1: shutting down sockets 05:01:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1948.618358][ T6120] nbd4: detected capacity change from 0 to 2050 [ 1948.630787][ T6122] block nbd2: shutting down sockets 05:01:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = accept$ax25(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @bcast}, [@netrom, @netrom, @bcast, @null, @default, @default, @bcast, @null]}, &(0x7f0000000000)=0x48) ioctl$BTRFS_IOC_TREE_SEARCH(r2, 0xd0009411, &(0x7f0000000300)={{0x0, 0xa38a, 0x7fffffffffffffff, 0x80d, 0x1000000000000000, 0x2, 0x2, 0x7fff, 0xfffff28b, 0xfffffffc, 0xffffffff, 0x0, 0x9, 0x5, 0xffffffffffffffff}}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4c96) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1948.668322][ T6126] block nbd4: shutting down sockets [ 1948.678956][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1948.698930][ T7240] Dev nbd4: unable to read RDB block 0 [ 1948.717818][ T6125] block nbd0: shutting down sockets [ 1948.724895][ T7240] nbd4: unable to read partition table [ 1948.810444][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1948.830560][ T7240] Dev nbd4: unable to read RDB block 0 [ 1948.838000][ T7240] nbd4: unable to read partition table [ 1948.850044][ T6129] block nbd3: shutting down sockets [ 1948.948564][ T6131] nbd2: detected capacity change from 0 to 39212 [ 1948.956033][ T6131] block nbd2: shutting down sockets [ 1948.978800][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1948.986905][ T7240] Dev nbd2: unable to read RDB block 0 [ 1948.992886][ T7240] nbd2: unable to read partition table [ 1949.003223][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1949.010619][ T7240] Dev nbd2: unable to read RDB block 0 [ 1949.020661][ T7240] nbd2: unable to read partition table [ 1951.112044][ T6103] block nbd5: shutting down sockets [ 1951.121873][ C0] blk_print_req_error: 169 callbacks suppressed [ 1951.121886][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.137374][ C0] buffer_io_error: 167 callbacks suppressed [ 1951.137391][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.151369][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.161830][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.170732][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.180383][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.191321][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.201005][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.209024][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.218124][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.226171][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.235263][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.243146][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.252220][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.260173][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.270652][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.281796][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1951.288894][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.299988][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.312477][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1951.321567][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1951.329772][ T6899] Dev nbd5: unable to read RDB block 0 [ 1951.340015][ T6899] nbd5: unable to read partition table [ 1951.349805][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1951.357082][ T6899] Dev nbd5: unable to read RDB block 0 05:01:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab08) 05:01:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x10) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r2 = accept$ax25(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @bcast}, [@netrom, @netrom, @bcast, @null, @default, @default, @bcast, @null]}, &(0x7f0000000000)=0x48) ioctl$BTRFS_IOC_TREE_SEARCH(r2, 0xd0009411, &(0x7f0000000300)={{0x0, 0xa38a, 0x7fffffffffffffff, 0x80d, 0x1000000000000000, 0x2, 0x2, 0x7fff, 0xfffff28b, 0xfffffffc, 0xffffffff, 0x0, 0x9, 0x5, 0xffffffffffffffff}}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4c96) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1951.366260][ T6899] nbd5: unable to read partition table [ 1951.481575][ T6137] nbd4: detected capacity change from 0 to 2050 [ 1951.488807][ T6138] nbd2: detected capacity change from 0 to 39212 [ 1951.489957][ T6141] block nbd0: shutting down sockets [ 1951.504554][ T6138] block nbd2: shutting down sockets [ 1951.507298][ T6145] nbd5: detected capacity change from 0 to 65534 [ 1951.534532][ T6146] block nbd4: shutting down sockets [ 1951.535654][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1951.546275][ T6144] block nbd1: NBD_DISCONNECT [ 1951.547168][ T6899] Dev nbd2: unable to read RDB block 0 [ 1951.559318][ T6899] nbd2: unable to read partition table [ 1951.567363][ T6147] block nbd3: shutting down sockets 05:01:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x301) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1951.584816][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1951.592347][ T6899] Dev nbd2: unable to read RDB block 0 [ 1951.595895][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1951.598897][ T6899] nbd2: unable to read partition table [ 1951.613739][ T7240] Dev nbd4: unable to read RDB block 0 05:01:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r2 = accept$ax25(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @bcast}, [@netrom, @netrom, @bcast, @null, @default, @default, @bcast, @null]}, &(0x7f0000000000)=0x48) ioctl$BTRFS_IOC_TREE_SEARCH(r2, 0xd0009411, &(0x7f0000000300)={{0x0, 0xa38a, 0x7fffffffffffffff, 0x80d, 0x1000000000000000, 0x2, 0x2, 0x7fff, 0xfffff28b, 0xfffffffc, 0xffffffff, 0x0, 0x9, 0x5, 0xffffffffffffffff}}) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4c96) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:01:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1951.633389][ T7240] nbd4: unable to read partition table [ 1951.645338][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1951.652703][ T7240] Dev nbd4: unable to read RDB block 0 [ 1951.659082][ T7240] nbd4: unable to read partition table [ 1951.677844][ T6149] block nbd1: NBD_DISCONNECT 05:01:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1951.846410][ T6154] block nbd2: shutting down sockets [ 1951.858198][ T6155] nbd2: detected capacity change from 0 to 39212 [ 1951.871966][ T6157] block nbd0: shutting down sockets [ 1951.878986][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1951.891119][ T7240] Dev nbd2: unable to read RDB block 0 05:01:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000080)={'veth1_to_bridge\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="0000000007000000070000003f00000002000000000000000900000006000000080000009b6a01704aee176b6fa6d3efcc887f1c20dbfaec7c798dfb43ced3c69156b50aefe679c997a66e6acaca3d4b0000000000000000aa2b1224eb55c946b0eae8dcc6b95ad98072e6543ba93eaefebcd6327b0eb612fdeb49005d9da08cfd13ceeaa7d70250e6b7436f273edc0e46caa0bf2f94b99e61276afc55f6995c7b9698f9490766789a15adeb205c704d26d1f73f35430b06d98052a93fb44249eb03005f"]}) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 05:01:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x125d) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1951.905749][ T7240] nbd2: unable to read partition table [ 1951.914313][ T6160] nbd4: detected capacity change from 0 to 2050 [ 1951.943381][ T6162] block nbd3: shutting down sockets [ 1951.947910][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1951.957542][ T6161] block nbd4: shutting down sockets [ 1951.976231][ T7240] Dev nbd2: unable to read RDB block 0 [ 1951.998040][ T7240] nbd2: unable to read partition table [ 1952.036672][ T6164] ldm_validate_partition_table(): Disk read failed. [ 1952.051893][ T6164] Dev nbd2: unable to read RDB block 0 [ 1952.062892][ T6164] nbd2: unable to read partition table [ 1952.081855][ T6167] ldm_validate_partition_table(): Disk read failed. [ 1952.097028][ T6167] Dev nbd2: unable to read RDB block 0 [ 1952.103646][ T6167] nbd2: unable to read partition table [ 1952.139837][ T6164] ldm_validate_partition_table(): Disk read failed. [ 1952.151319][ T6164] Dev nbd2: unable to read RDB block 0 [ 1952.158310][ T6164] nbd2: unable to read partition table [ 1952.167869][ T6166] block nbd0: shutting down sockets [ 1952.182797][ T6164] block nbd2: NBD_DISCONNECT [ 1952.187957][ T6164] block nbd2: Send disconnect failed -32 [ 1952.291288][ T5111] block nbd1: Disconnected due to user request. [ 1954.425100][ T6145] block nbd5: shutting down sockets [ 1954.436502][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1954.444843][ T7042] Dev nbd5: unable to read RDB block 0 [ 1954.455153][ T7042] nbd5: unable to read partition table 05:01:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x125e) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 64) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000080)={'veth1_to_bridge\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="0000000007000000070000003f00000002000000000000000900000006000000080000009b6a01704aee176b6fa6d3efcc887f1c20dbfaec7c798dfb43ced3c69156b50aefe679c997a66e6acaca3d4b0000000000000000aa2b1224eb55c946b0eae8dcc6b95ad98072e6543ba93eaefebcd6327b0eb612fdeb49005d9da08cfd13ceeaa7d70250e6b7436f273edc0e46caa0bf2f94b99e61276afc55f6995c7b9698f9490766789a15adeb205c704d26d1f73f35430b06d98052a93fb44249eb03005f"]}) (rerun: 64) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r0, 0xab08) 05:01:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x2) [ 1954.472877][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1954.480357][ T7042] Dev nbd5: unable to read RDB block 0 [ 1954.486682][ T7042] nbd5: unable to read partition table [ 1954.636453][ T6173] nbd4: detected capacity change from 0 to 2050 [ 1954.654428][ T6177] block nbd0: shutting down sockets [ 1954.661656][ T6180] block nbd2: shutting down sockets [ 1954.663143][ T6174] block nbd1: NBD_DISCONNECT 05:01:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x125f) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1954.682093][ T6181] nbd5: detected capacity change from 0 to 65534 [ 1954.695032][ T6184] block nbd3: shutting down sockets [ 1954.704846][ T6185] block nbd4: shutting down sockets [ 1954.734483][ T6183] block nbd5: shutting down sockets 05:01:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000080)={'veth1_to_bridge\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="0000000007000000070000003f00000002000000000000000900000006000000080000009b6a01704aee176b6fa6d3efcc887f1c20dbfaec7c798dfb43ced3c69156b50aefe679c997a66e6acaca3d4b0000000000000000aa2b1224eb55c946b0eae8dcc6b95ad98072e6543ba93eaefebcd6327b0eb612fdeb49005d9da08cfd13ceeaa7d70250e6b7436f273edc0e46caa0bf2f94b99e61276afc55f6995c7b9698f9490766789a15adeb205c704d26d1f73f35430b06d98052a93fb44249eb03005f"]}) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r0, 0xab08) 05:01:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="180000000000000000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1954.757879][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1954.783502][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1954.808296][ T7240] Dev nbd4: unable to read RDB block 0 [ 1954.836224][ T7240] nbd4: unable to read partition table [ 1954.848393][ T6899] Dev nbd5: unable to read RDB block 0 05:01:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1954.877333][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1954.893612][ T6899] nbd5: unable to read partition table [ 1954.894229][ T7240] Dev nbd4: unable to read RDB block 0 [ 1954.913082][ T6190] block nbd0: shutting down sockets [ 1954.922400][ T6195] block nbd3: shutting down sockets 05:01:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1954.946198][ T7240] nbd4: unable to read partition table [ 1954.962433][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1954.985428][ T6196] block nbd2: shutting down sockets 05:01:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1260) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="180000000000000000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1954.999958][ T6899] Dev nbd5: unable to read RDB block 0 [ 1955.010968][ T6899] nbd5: unable to read partition table [ 1955.177368][ T6204] nbd5: detected capacity change from 0 to 65534 [ 1955.177871][ T6201] nbd4: detected capacity change from 0 to 2050 [ 1955.187173][ T6203] block nbd0: shutting down sockets 05:01:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1261) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1955.227677][ T6206] block nbd5: shutting down sockets [ 1955.239422][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1955.302440][ T7042] Dev nbd5: unable to read RDB block 0 [ 1955.312722][ T6205] block nbd3: shutting down sockets [ 1955.329254][ T7042] nbd5: unable to read partition table 05:01:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1955.351963][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1955.383010][ T7042] Dev nbd5: unable to read RDB block 0 [ 1955.395572][T28712] block nbd1: Disconnected due to user request. 05:01:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="180000000000000000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1955.403106][ T7042] nbd5: unable to read partition table [ 1955.466286][ T6210] block nbd0: shutting down sockets 05:01:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x10) 05:01:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1262) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1955.812174][ T6220] block nbd1: NBD_DISCONNECT [ 1955.835268][ T6218] block nbd0: shutting down sockets [ 1955.844063][ T6216] block nbd5: shutting down sockets [ 1955.995334][ T9] block nbd4: Possible stuck request ffff88801d6edc00: control (read@0,4096B). Runtime 0 seconds 05:01:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="1800"/13], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1263) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1956.357406][ T6226] nbd5: detected capacity change from 0 to 65534 [ 1956.441651][ T6229] block nbd5: shutting down sockets [ 1956.455345][ C1] blk_print_req_error: 316 callbacks suppressed [ 1956.455364][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.470796][ C1] buffer_io_error: 310 callbacks suppressed [ 1956.470812][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.485031][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.498049][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.525312][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.534655][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.543524][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.557948][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.566408][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.575858][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.584464][T28712] block nbd1: Disconnected due to user request. [ 1956.585541][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.600889][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.609319][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.612707][ T6228] block nbd3: shutting down sockets [ 1956.618637][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.618848][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.641731][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.646194][ T6233] block nbd0: shutting down sockets [ 1956.649842][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1956.661806][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.671260][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.682516][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1956.691778][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1956.701065][ T7240] Dev nbd5: unable to read RDB block 0 [ 1956.707363][ T7240] nbd5: unable to read partition table [ 1956.717480][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1956.724754][ T7240] Dev nbd5: unable to read RDB block 0 [ 1956.731236][ T7240] nbd5: unable to read partition table [ 1957.377023][ T9] block nbd4: Possible stuck request ffff88801d6edc00: control (read@0,4096B). Runtime 0 seconds [ 1958.073834][ T6201] block nbd4: shutting down sockets [ 1958.088017][T10977] ldm_validate_partition_table(): Disk read failed. [ 1958.095153][T10977] Dev nbd4: unable to read RDB block 0 [ 1958.101147][T10977] nbd4: unable to read partition table [ 1958.112827][T10977] ldm_validate_partition_table(): Disk read failed. 05:01:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1264) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x301) 05:01:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="1800"/13], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1958.120149][T10977] Dev nbd4: unable to read RDB block 0 [ 1958.126423][T10977] nbd4: unable to read partition table 05:01:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0xc7) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r5, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {0x0, r8}, {}, {0x0, r9}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r6}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {r7}], 0x81}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r13, &(0x7f00000bd000), 0x318, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r13, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {0x0, r16}, {}, {0x0, r17}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r14}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r15}], 0x81}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r22, &(0x7f00000bd000), 0x318, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r22, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {0x0, r25}, {}, {0x0, r26}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r23}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r20}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r24}], 0x81}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r3, 0xd000943d, &(0x7f000005b7c0)={0x5, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r11}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r12}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r19}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {r6}, {r14, r21}, {r23}], 0x0, "f20e659b143de9"}) [ 1958.237258][ T6236] block nbd0: shutting down sockets 05:01:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1265) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1958.258674][ T6245] block nbd1: NBD_DISCONNECT [ 1958.277883][ T6241] nbd5: detected capacity change from 0 to 2050 [ 1958.298313][ T6246] nbd4: detected capacity change from 0 to 2050 [ 1958.319607][ T6247] block nbd3: shutting down sockets [ 1958.324097][ T6248] block nbd2: shutting down sockets [ 1958.333212][ T6249] block nbd5: shutting down sockets 05:01:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="1800"/13], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1958.389455][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1958.418054][ T6252] block nbd0: shutting down sockets [ 1958.425820][ T7042] Dev nbd5: unable to read RDB block 0 05:01:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1267) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1958.441112][ T7042] nbd5: unable to read partition table [ 1958.478279][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1958.506497][ T7042] Dev nbd5: unable to read RDB block 0 [ 1958.521967][ T7042] nbd5: unable to read partition table [ 1958.550536][ T6256] block nbd3: shutting down sockets 05:01:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed00"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1958.657368][ T6258] block nbd0: shutting down sockets 05:01:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1268) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1958.715647][ T9] block nbd4: Possible stuck request ffff88801d6ea600: control (read@0,4096B). Runtime 0 seconds [ 1958.748072][ T6262] nbd5: detected capacity change from 0 to 2050 [ 1958.784051][ T6265] block nbd3: shutting down sockets [ 1958.805689][ T6266] block nbd5: shutting down sockets [ 1958.818131][ T6264] block nbd0: shutting down sockets [ 1958.828627][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1958.849293][ T7042] Dev nbd5: unable to read RDB block 0 [ 1958.859135][ T7042] nbd5: unable to read partition table [ 1958.871429][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1958.880113][ T7042] Dev nbd5: unable to read RDB block 0 [ 1958.887074][ T7042] nbd5: unable to read partition table [ 1959.016924][T28712] block nbd1: Disconnected due to user request. [ 1960.075255][ T9] block nbd4: Possible stuck request ffff88801d6ea600: control (read@0,4096B). Runtime 0 seconds [ 1961.248931][ T6246] block nbd4: shutting down sockets [ 1961.258891][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1961.269172][ T7240] Dev nbd4: unable to read RDB block 0 [ 1961.279179][ T7240] nbd4: unable to read partition table 05:01:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1269) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed00"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x125d) 05:01:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "02b66c11beed7c64705a2327ec95767e4393a580b2c3043a2fcfb08839b8897467f4a525091f0f7d2480b2fbdcfd2a3924b674e8aed38628fb035a463934e151ef7c0289d4fd7b308135026f77657ca78a849330727be579703bef5f51cf16a7198f8eb8e962cc55e47a88645dc99b6e4dfd15399b64e979124ef3a9120208d05d9de3ff1ce9cc9e6353b97b13c914e3530a6ec5b967674f3cbc69538c66356f6777af618dd96e1730048727e164fcc8139776c1e5061154ffe7838008ce90ccbf0827c03a28016d5f3bdabbc98bee9c405509e3e094ba1677d6b347061c346722828810ba1b68424c585770f6527f3856630aedb97f2ee0742e013d5d412046", "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"}) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0xc7) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r5, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {0x0, r8}, {}, {0x0, r9}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r6}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {r7}], 0x81}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r13, &(0x7f00000bd000), 0x318, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r13, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {0x0, r16}, {}, {0x0, r17}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r14}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r15}], 0x81}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r22, &(0x7f00000bd000), 0x318, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r22, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "02b66c11beed7c64705a2327ec95767e4393a580b2c3043a2fcfb08839b8897467f4a525091f0f7d2480b2fbdcfd2a3924b674e8aed38628fb035a463934e151ef7c0289d4fd7b308135026f77657ca78a849330727be579703bef5f51cf16a7198f8eb8e962cc55e47a88645dc99b6e4dfd15399b64e979124ef3a9120208d05d9de3ff1ce9cc9e6353b97b13c914e3530a6ec5b967674f3cbc69538c66356f6777af618dd96e1730048727e164fcc8139776c1e5061154ffe7838008ce90ccbf0827c03a28016d5f3bdabbc98bee9c405509e3e094ba1677d6b347061c346722828810ba1b68424c585770f6527f3856630aedb97f2ee0742e013d5d412046", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {0x0, r25}, {}, {0x0, r26}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r23}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r20}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r24}], 0x81}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r3, 0xd000943d, &(0x7f000005b7c0)={0x5, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r11}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r12}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r19}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {r6}, {r14, r21}, {r23}], 0x0, "f20e659b143de9"}) [ 1961.293474][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1961.300564][ T7240] Dev nbd4: unable to read RDB block 0 [ 1961.308546][ T7240] nbd4: unable to read partition table [ 1961.419688][ T6272] block nbd2: shutting down sockets 05:01:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1961.450395][ T6276] block nbd5: shutting down sockets [ 1961.466428][ T6277] block nbd1: NBD_DISCONNECT [ 1961.477279][ T6279] block nbd0: shutting down sockets [ 1961.485789][ T6280] nbd4: detected capacity change from 0 to 2050 [ 1961.517198][ T6281] block nbd3: shutting down sockets 05:01:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1274) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed00"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1961.660446][ T6289] block nbd5: shutting down sockets 05:01:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0xc7) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r5, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {0x0, r8}, {}, {0x0, r9}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r6}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {r7}], 0x81}) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r13, &(0x7f00000bd000), 0x318, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r13, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {0x0, r16}, {}, {0x0, r17}, {}, {r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r14}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r15}], 0x81}) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r22, &(0x7f00000bd000), 0x318, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a600)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005a700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r22, 0xd000943e, &(0x7f0000001800)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000745c0)={0x5af, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r25}, {0x0, r25}, {}, {0x0, r26}, {}, {r27}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r23}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r26}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r20}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r24}], 0x81}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r3, 0xd000943d, &(0x7f000005b7c0)={0x5, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r11}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r12}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r19}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {r6}, {r14, r21}, {r23}], 0x0, "f20e659b143de9"}) [ 1961.748055][ T6291] block nbd0: shutting down sockets 05:01:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1276) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1961.809582][ T6296] block nbd3: shutting down sockets [ 1961.880623][ T6300] block nbd5: shutting down sockets [ 1961.952064][ T6302] block nbd0: shutting down sockets [ 1962.230800][ T5111] block nbd1: Disconnected due to user request. [ 1962.805365][ T94] block nbd4: Possible stuck request ffff88801d6ecc00: control (read@0,4096B). Runtime 0 seconds [ 1964.157094][ T94] block nbd4: Possible stuck request ffff88801d6ecc00: control (read@0,4096B). Runtime 0 seconds [ 1964.407576][ T6280] block nbd4: shutting down sockets [ 1964.417005][ C1] blk_print_req_error: 172 callbacks suppressed [ 1964.417024][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.432341][ C1] buffer_io_error: 171 callbacks suppressed [ 1964.432351][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.446883][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.456157][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.464086][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.473942][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.482797][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.494426][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.502523][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.511722][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.519933][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.529388][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.537759][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.547031][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.554893][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.564262][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.572261][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1964.579840][ T9] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.592645][ T9] Buffer I/O error on dev nbd4, logical block 0, async page read 05:01:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed0000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:41 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:01:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1277) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DISCONNECT(r4, 0xab08) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x125e) [ 1964.600686][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1964.613476][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1964.621841][ T7042] Dev nbd4: unable to read RDB block 0 [ 1964.627955][ T7042] nbd4: unable to read partition table [ 1964.681745][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1964.694425][ T7042] Dev nbd4: unable to read RDB block 0 [ 1964.700934][ T7042] nbd4: unable to read partition table 05:01:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1964.808271][ T6312] block nbd0: shutting down sockets 05:01:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1278) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1964.830119][ T6317] block nbd3: shutting down sockets [ 1964.846848][ T6315] block nbd1: NBD_DISCONNECT 05:01:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed0000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1964.896526][ T6320] block nbd2: shutting down sockets [ 1964.915706][ T6318] block nbd5: shutting down sockets 05:01:42 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1965.008868][ T6314] block nbd2: NBD_DISCONNECT [ 1965.022068][ T6314] block nbd2: Send disconnect failed -32 05:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DISCONNECT(r4, 0xab08) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1965.098420][ T6324] block nbd0: shutting down sockets 05:01:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x1279) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1965.251002][ T6335] block nbd3: shutting down sockets 05:01:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1965.293215][ T6332] block nbd2: shutting down sockets [ 1965.302570][ T6336] block nbd5: shutting down sockets 05:01:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed0000"], &(0x7f00000000c0)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:42 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 1965.345870][ T6339] block nbd2: Device being setup by another task [ 1965.376662][ T6341] block nbd0: shutting down sockets [ 1965.527359][ T6344] block nbd3: shutting down sockets 05:01:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x125f) 05:01:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127a) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 64) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DISCONNECT(r4, 0xab08) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1965.584785][ T6315] block nbd1: Disconnected due to user request. [ 1965.595687][ T6349] block nbd5: shutting down sockets [ 1965.615802][ T6315] block nbd1: shutting down sockets 05:01:42 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1965.751088][ T6352] block nbd0: shutting down sockets 05:01:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127b) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1965.813452][ T6363] block nbd3: shutting down sockets [ 1965.860835][ T6364] block nbd2: shutting down sockets [ 1965.888221][ T6368] block nbd5: shutting down sockets 05:01:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1260) 05:01:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:43 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1966.106484][ T6378] block nbd3: shutting down sockets [ 1966.130963][ T6374] block nbd0: shutting down sockets 05:01:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1966.156915][ T6377] block nbd1: NBD_DISCONNECT 05:01:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127c) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1966.230136][ T6385] block nbd5: shutting down sockets [ 1966.248739][ T6386] block nbd2: shutting down sockets 05:01:43 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(r2, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1966.347260][ T6391] block nbd0: shutting down sockets 05:01:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127d) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1966.413773][ T6393] block nbd3: shutting down sockets 05:01:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1966.529661][ T6399] block nbd2: shutting down sockets 05:01:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1966.581881][ T6402] block nbd0: shutting down sockets [ 1966.590728][ T6395] block nbd5: shutting down sockets [ 1966.861939][ T6409] block nbd3: shutting down sockets 05:01:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1261) 05:01:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127e) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async, rerun: 64) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) (rerun: 64) 05:01:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1966.913842][ T5102] block nbd1: Disconnected due to user request. 05:01:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1967.017675][ T6411] block nbd0: shutting down sockets 05:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127f) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1967.085955][ T6421] block nbd1: NBD_DISCONNECT [ 1967.117888][ T6424] block nbd3: shutting down sockets [ 1967.132868][ T6427] block nbd5: shutting down sockets 05:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1967.218956][ T6429] block nbd0: shutting down sockets 05:01:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x4b47) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1967.428159][ T6439] block nbd5: shutting down sockets [ 1967.459170][ T6437] block nbd4: shutting down sockets [ 1967.460439][ T6440] block nbd3: shutting down sockets [ 1967.475383][ T6438] block nbd0: shutting down sockets 05:01:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x4b49) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={0x0, r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1262) [ 1967.823434][ T5111] block nbd2: Receive control failed (result -32) [ 1967.841620][ T6414] block nbd2: shutting down sockets [ 1967.847734][ T5102] block nbd1: Disconnected due to user request. [ 1967.998512][ T6447] block nbd0: shutting down sockets [ 1968.016749][ T6448] block nbd4: shutting down sockets [ 1968.029594][ T6453] block nbd2: shutting down sockets 05:01:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x541b) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1968.048036][ T6450] block nbd3: shutting down sockets [ 1968.049490][ T6455] block nbd5: shutting down sockets [ 1968.054170][ T6452] block nbd1: NBD_DISCONNECT 05:01:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={0x0, r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1968.339084][ T6460] block nbd0: shutting down sockets [ 1968.345342][ T6461] block nbd4: shutting down sockets [ 1968.348744][ T6467] block nbd2: shutting down sockets 05:01:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1968.388948][ T6468] block nbd3: shutting down sockets [ 1968.419267][ T6469] block nbd5: shutting down sockets [ 1968.597587][ T6471] nbd4: detected capacity change from 0 to 2050 [ 1968.662289][ T6472] block nbd4: shutting down sockets [ 1968.669601][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1968.677960][ T7042] Dev nbd4: unable to read RDB block 0 [ 1968.684016][ T7042] nbd4: unable to read partition table [ 1968.694044][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1968.701410][ T7042] Dev nbd4: unable to read RDB block 0 [ 1968.708682][ T7042] nbd4: unable to read partition table 05:01:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x5421) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={0x0, r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1263) [ 1968.816150][ T5111] block nbd1: Disconnected due to user request. [ 1968.935296][ T6479] nbd4: detected capacity change from 0 to 2050 [ 1968.949333][ T6482] block nbd0: shutting down sockets [ 1968.966476][ T6484] block nbd1: NBD_DISCONNECT [ 1968.979451][ T6485] block nbd5: shutting down sockets [ 1968.988239][ T6486] block nbd4: shutting down sockets 05:01:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x5450) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.009155][ T6487] block nbd3: shutting down sockets 05:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1969.031404][ T6488] block nbd2: shutting down sockets [ 1969.032950][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1969.067700][ T7240] Dev nbd4: unable to read RDB block 0 05:01:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00'}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.134178][ T7240] nbd4: unable to read partition table [ 1969.166997][ T6491] block nbd0: shutting down sockets [ 1969.169212][ T7240] ldm_validate_partition_table(): Disk read failed. 05:01:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1969.187433][ T7240] Dev nbd4: unable to read RDB block 0 [ 1969.204877][ T7240] nbd4: unable to read partition table 05:01:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x5451) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.363425][ T6498] block nbd5: shutting down sockets 05:01:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1969.393673][ T6501] block nbd3: shutting down sockets [ 1969.403481][ T6497] nbd4: detected capacity change from 0 to 2050 [ 1969.445934][ T6504] block nbd4: shutting down sockets [ 1969.468917][ C1] blk_print_req_error: 101 callbacks suppressed [ 1969.468938][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.469313][ T6503] block nbd0: shutting down sockets [ 1969.475292][ C1] buffer_io_error: 101 callbacks suppressed [ 1969.475307][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.504663][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.517695][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.528673][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.538169][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.549852][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.559445][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read 05:01:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00'}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.567626][ T6506] nbd5: detected capacity change from 0 to 2050 [ 1969.567916][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.577940][ T6507] block nbd2: shutting down sockets [ 1969.583618][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.597115][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.607328][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.615689][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.624755][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.633403][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.642835][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.650958][ T7240] ldm_validate_partition_table(): Disk read failed. 05:01:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x5452) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.661376][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.670794][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.679085][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1969.691758][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1969.708060][ T7240] Dev nbd4: unable to read RDB block 0 [ 1969.714283][ T7240] nbd4: unable to read partition table [ 1969.725139][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1969.732403][ T7240] Dev nbd4: unable to read RDB block 0 [ 1969.739185][ T7240] nbd4: unable to read partition table [ 1969.751870][ T6484] block nbd1: Disconnected due to user request. 05:01:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1969.776010][ T6484] block nbd1: shutting down sockets 05:01:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1264) 05:01:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1969.857732][ T6512] block nbd0: shutting down sockets 05:01:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x5460) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.915390][ T6514] block nbd3: shutting down sockets 05:01:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00'}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1969.977543][ T6517] block nbd1: NBD_DISCONNECT [ 1969.987806][ T6519] nbd4: detected capacity change from 0 to 2050 [ 1970.045986][ T6522] block nbd2: shutting down sockets [ 1970.056167][ T6523] block nbd4: shutting down sockets [ 1970.083647][ T6899] ldm_validate_partition_table(): Disk read failed. 05:01:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x127b) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1970.094004][ T6521] block nbd0: shutting down sockets [ 1970.100399][ T6899] Dev nbd4: unable to read RDB block 0 [ 1970.120838][ T6899] nbd4: unable to read partition table 05:01:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x8933) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1970.173875][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1970.190551][ T6527] block nbd3: shutting down sockets [ 1970.208938][ T6899] Dev nbd4: unable to read RDB block 0 [ 1970.226812][ T6899] nbd4: unable to read partition table 05:01:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1970.329987][ T6531] nbd4: detected capacity change from 0 to 2050 [ 1970.370805][ T6530] block nbd2: shutting down sockets [ 1970.382853][ T6534] block nbd4: shutting down sockets [ 1970.416276][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1970.426551][ T6533] block nbd0: shutting down sockets [ 1970.427125][ T7240] Dev nbd4: unable to read RDB block 0 [ 1970.440393][ T7240] nbd4: unable to read partition table [ 1970.742140][ T5102] block nbd1: Disconnected due to user request. [ 1971.228103][T28712] block nbd3: Receive control failed (result -32) [ 1971.242285][ T6538] block nbd3: shutting down sockets [ 1972.459111][ T6506] block nbd5: shutting down sockets 05:01:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab00) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1265) 05:01:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1972.483774][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1972.490874][ T7042] Dev nbd5: unable to read RDB block 0 [ 1972.497702][ T7042] nbd5: unable to read partition table [ 1972.509646][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1972.516950][ T7042] Dev nbd5: unable to read RDB block 0 [ 1972.522903][ T7042] nbd5: unable to read partition table [ 1972.648370][ T6547] nbd5: detected capacity change from 0 to 2050 [ 1972.656869][ T6549] block nbd1: NBD_DISCONNECT [ 1972.659586][ T6543] nbd4: detected capacity change from 0 to 2050 [ 1972.681381][ T6550] block nbd0: shutting down sockets 05:01:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab01) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1972.701778][ T6545] nbd2: detected capacity change from 0 to 2050 [ 1972.735886][ T6552] block nbd4: shutting down sockets [ 1972.748626][ T6555] block nbd2: shutting down sockets [ 1972.762023][ T6924] ldm_validate_partition_table(): Disk read failed. 05:01:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1972.793949][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1972.793992][ T6924] Dev nbd4: unable to read RDB block 0 [ 1972.801588][ T7042] Dev nbd2: unable to read RDB block 0 [ 1972.813219][ T7042] nbd2: unable to read partition table [ 1972.819823][ T6924] nbd4: unable to read partition table [ 1972.822034][ T6557] block nbd0: shutting down sockets 05:01:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab02) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1972.859756][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1972.878818][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1972.897626][ T7042] Dev nbd2: unable to read RDB block 0 [ 1972.900196][ T6924] Dev nbd4: unable to read RDB block 0 [ 1972.921136][ T6924] nbd4: unable to read partition table [ 1972.926263][ T7042] nbd2: unable to read partition table 05:01:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1973.017824][ T6561] block nbd0: shutting down sockets [ 1973.065780][ T6563] nbd4: detected capacity change from 0 to 2050 [ 1973.098063][ T6562] nbd2: detected capacity change from 0 to 2050 [ 1973.115971][ T6564] block nbd4: shutting down sockets [ 1973.137871][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1973.147028][ T6567] block nbd2: shutting down sockets [ 1973.154625][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1973.166459][ T6899] Dev nbd4: unable to read RDB block 0 [ 1973.173838][ T7042] Dev nbd2: unable to read RDB block 0 [ 1973.180460][ T6566] block nbd0: shutting down sockets 05:01:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1973.188403][ T6899] nbd4: unable to read partition table [ 1973.194769][ T7042] nbd2: unable to read partition table [ 1973.223387][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1973.243198][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1973.243262][ T6899] Dev nbd4: unable to read RDB block 0 [ 1973.250613][ T7042] Dev nbd2: unable to read RDB block 0 [ 1973.263144][ T7042] nbd2: unable to read partition table [ 1973.326042][ T6899] nbd4: unable to read partition table [ 1973.336740][ T6569] ldm_validate_partition_table(): Disk read failed. [ 1973.350624][ T6569] Dev nbd4: unable to read RDB block 0 [ 1973.358447][ T6569] nbd4: unable to read partition table [ 1973.404840][ T6569] ldm_validate_partition_table(): Disk read failed. [ 1973.413607][ T6569] Dev nbd4: unable to read RDB block 0 [ 1973.419538][T27923] block nbd3: Receive control failed (result -32) [ 1973.427078][ T6546] block nbd3: shutting down sockets [ 1973.436917][ T6569] nbd4: unable to read partition table [ 1973.444871][ T6549] block nbd1: Disconnected due to user request. [ 1973.454642][ T6549] block nbd1: shutting down sockets [ 1973.460010][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1973.487504][ T7042] Dev nbd4: unable to read RDB block 0 [ 1973.506105][ T7042] nbd4: unable to read partition table [ 1973.526481][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1973.533459][ T7042] Dev nbd4: unable to read RDB block 0 [ 1973.540287][ T7042] nbd4: unable to read partition table [ 1973.549104][ T6570] ldm_validate_partition_table(): Disk read failed. [ 1973.557185][ T6570] Dev nbd4: unable to read RDB block 0 [ 1973.563918][ T6570] nbd4: unable to read partition table [ 1973.573754][ T6569] ldm_validate_partition_table(): Disk read failed. [ 1973.581253][ T6569] Dev nbd4: unable to read RDB block 0 [ 1973.587627][ T6569] nbd4: unable to read partition table [ 1973.599302][ T6570] ldm_validate_partition_table(): Disk read failed. [ 1973.606406][ T6570] Dev nbd4: unable to read RDB block 0 [ 1973.612343][ T6570] nbd4: unable to read partition table [ 1975.593193][ T6547] block nbd5: shutting down sockets [ 1975.600144][ C0] blk_print_req_error: 388 callbacks suppressed [ 1975.600156][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.615554][ C0] buffer_io_error: 387 callbacks suppressed [ 1975.615572][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.629825][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.639056][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.648749][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.658214][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.666513][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.675704][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.683669][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.692817][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.700932][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.710188][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.721881][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.731020][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.739043][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.749491][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.757488][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1975.764234][ T9] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.773326][ T9] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.781869][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1975.792208][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1975.800264][ T7240] Dev nbd5: unable to read RDB block 0 [ 1975.810787][ T7240] nbd5: unable to read partition table [ 1975.830520][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1975.839036][ T7240] Dev nbd5: unable to read RDB block 0 05:01:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab05) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1267) 05:01:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r3}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1975.845851][ T7240] nbd5: unable to read partition table [ 1975.937411][ T6575] block nbd0: shutting down sockets 05:01:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab06) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1975.967494][ T6576] nbd4: detected capacity change from 0 to 2050 [ 1975.991352][ T6581] block nbd1: NBD_DISCONNECT [ 1976.018743][ T6584] block nbd4: shutting down sockets [ 1976.040570][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1976.044171][ T6583] nbd5: detected capacity change from 0 to 2050 [ 1976.065895][ T7042] Dev nbd4: unable to read RDB block 0 05:01:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1976.093064][ T6582] nbd2: detected capacity change from 0 to 2050 [ 1976.095985][ T7042] nbd4: unable to read partition table [ 1976.117711][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1976.133858][ T7042] Dev nbd4: unable to read RDB block 0 [ 1976.140780][ T7042] nbd4: unable to read partition table [ 1976.143551][ T6590] block nbd2: shutting down sockets [ 1976.177597][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1976.186593][ T6589] block nbd0: shutting down sockets [ 1976.204216][ T7240] Dev nbd2: unable to read RDB block 0 [ 1976.225851][ T7240] nbd2: unable to read partition table 05:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab07) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1976.259762][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1976.270201][ T7240] Dev nbd2: unable to read RDB block 0 [ 1976.288056][ T7240] nbd2: unable to read partition table [ 1976.322506][ T6593] nbd4: detected capacity change from 0 to 2050 [ 1976.367171][ T6595] block nbd0: shutting down sockets [ 1976.385637][ T6596] block nbd4: shutting down sockets [ 1976.399468][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 05:01:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab08) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1976.427443][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1976.443327][ T7042] Dev nbd4: unable to read RDB block 0 [ 1976.456228][ T6598] nbd2: detected capacity change from 0 to 2050 [ 1976.476371][ T7042] nbd4: unable to read partition table [ 1976.500098][ T6601] block nbd2: shutting down sockets [ 1976.500927][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1976.510730][ T6600] block nbd0: NBD_DISCONNECT [ 1976.512607][ T7042] Dev nbd4: unable to read RDB block 0 [ 1976.525212][ T7042] nbd4: unable to read partition table [ 1976.538522][ T6924] ldm_validate_partition_table(): Disk read failed. 05:01:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1976.551699][ T6924] Dev nbd2: unable to read RDB block 0 [ 1976.560173][ T6924] nbd2: unable to read partition table [ 1976.563200][ T6600] block nbd0: Disconnected due to user request. [ 1976.574414][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1976.581808][ T6924] Dev nbd2: unable to read RDB block 0 [ 1976.588963][ T6924] nbd2: unable to read partition table [ 1976.598320][ T6600] block nbd0: shutting down sockets [ 1976.757598][ T5102] block nbd3: Receive control failed (result -32) [ 1976.764849][T27923] block nbd1: Disconnected due to user request. [ 1976.765380][ T6580] block nbd3: shutting down sockets [ 1976.779998][ T6603] nbd4: detected capacity change from 0 to 2050 [ 1976.830040][ T6604] block nbd4: shutting down sockets [ 1976.854040][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1976.876410][ T7240] Dev nbd4: unable to read RDB block 0 [ 1976.883409][ T7240] nbd4: unable to read partition table [ 1976.903331][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1976.910629][ T7240] Dev nbd4: unable to read RDB block 0 [ 1976.924177][ T7240] nbd4: unable to read partition table [ 1978.928375][ T6583] block nbd5: shutting down sockets [ 1978.947420][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1978.954406][ T6899] Dev nbd5: unable to read RDB block 0 [ 1978.961138][ T6899] nbd5: unable to read partition table [ 1978.971115][ T6899] ldm_validate_partition_table(): Disk read failed. 05:01:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab09) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1268) 05:01:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(0x0, 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1978.978890][ T6899] Dev nbd5: unable to read RDB block 0 [ 1978.984844][ T6899] nbd5: unable to read partition table [ 1979.100990][ T6607] block nbd2: shutting down sockets 05:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.136756][ T6608] block nbd1: NBD_DISCONNECT [ 1979.139282][ T6611] nbd4: detected capacity change from 0 to 2050 [ 1979.159005][ T6615] block nbd0: shutting down sockets 05:01:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.188824][ T6617] block nbd4: shutting down sockets [ 1979.191874][ T6616] nbd3: detected capacity change from 0 to 2050 [ 1979.201911][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1979.217347][ T7240] Dev nbd4: unable to read RDB block 0 05:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab0a) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1979.248043][ T6622] block nbd3: shutting down sockets [ 1979.255723][ T7240] nbd4: unable to read partition table [ 1979.268621][ T6621] block nbd2: shutting down sockets [ 1979.275254][ T7042] ldm_validate_partition_table(): Disk read failed. 05:01:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) dup3(r4, r0, 0x80000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.316272][ T7042] Dev nbd3: unable to read RDB block 0 [ 1979.323126][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1979.332063][ T7042] nbd3: unable to read partition table [ 1979.338527][ T7240] Dev nbd4: unable to read RDB block 0 [ 1979.355178][ T7240] nbd4: unable to read partition table 05:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(0x0, 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.362732][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1979.383189][ T7042] Dev nbd3: unable to read RDB block 0 05:01:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.420002][ T7042] nbd3: unable to read partition table [ 1979.481110][ T6625] block nbd0: shutting down sockets [ 1979.488464][ T6627] block nbd2: shutting down sockets 05:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab63) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1979.624045][ T6633] nbd4: detected capacity change from 0 to 2050 [ 1979.653855][ T6632] nbd3: detected capacity change from 0 to 2050 [ 1979.661821][ T6637] block nbd4: shutting down sockets [ 1979.696754][ T6636] block nbd0: shutting down sockets [ 1979.708462][ T6640] block nbd3: shutting down sockets [ 1979.777873][ T6639] nbd2: detected capacity change from 0 to 2050 [ 1979.822193][ T6641] block nbd2: shutting down sockets [ 1979.885478][ T5102] block nbd1: Disconnected due to user request. [ 1979.906863][T24863] ldm_validate_partition_table(): Disk read failed. 05:01:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x400448c9) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1269) [ 1979.932335][T24863] Dev nbd2: unable to read RDB block 0 [ 1980.005046][T24863] nbd2: unable to read partition table 05:01:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.055550][T24863] ldm_validate_partition_table(): Disk read failed. [ 1980.056978][ T6647] block nbd0: shutting down sockets [ 1980.063710][T24863] Dev nbd2: unable to read RDB block 0 [ 1980.091177][T24863] nbd2: unable to read partition table [ 1980.158554][ T6652] block nbd3: shutting down sockets [ 1980.164050][ T6654] nbd4: detected capacity change from 0 to 2050 [ 1980.195173][ T6656] block nbd1: NBD_DISCONNECT 05:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x400448dd) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1980.216060][ T6651] block nbd4: shutting down sockets [ 1980.288079][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1980.299804][ T6657] nbd2: detected capacity change from 0 to 2050 [ 1980.316063][ T6899] Dev nbd4: unable to read RDB block 0 05:01:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.339981][ T6899] nbd4: unable to read partition table [ 1980.372824][ T6662] block nbd2: shutting down sockets [ 1980.381902][ T6899] ldm_validate_partition_table(): Disk read failed. 05:01:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.407008][ T6661] block nbd0: shutting down sockets [ 1980.408351][T10977] ldm_validate_partition_table(): Disk read failed. [ 1980.445150][ T6899] Dev nbd4: unable to read RDB block 0 [ 1980.451485][ T6899] nbd4: unable to read partition table [ 1980.468211][T10977] Dev nbd2: unable to read RDB block 0 05:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x400454ca) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1980.519283][T10977] nbd2: unable to read partition table 05:01:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.576535][T10977] ldm_validate_partition_table(): Disk read failed. [ 1980.591919][T10977] Dev nbd2: unable to read RDB block 0 [ 1980.596354][ T6666] block nbd3: shutting down sockets [ 1980.616473][ T6669] block nbd4: shutting down sockets [ 1980.665103][ T9] blk_print_req_error: 425 callbacks suppressed [ 1980.665123][ T9] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.682043][ T9] buffer_io_error: 425 callbacks suppressed [ 1980.682060][ T9] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.696162][ T9] I/O error, dev nbd2, sector 24 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.705601][ T9] Buffer I/O error on dev nbd2, logical block 3, async page read 05:01:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.713563][ T9] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.723061][ T9] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.731229][ T9] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.741983][ T9] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.749936][T10977] nbd2: unable to read partition table 05:01:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1980.759486][ T9] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.773014][ T9] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.781069][ T9] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.790368][ T9] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.802546][ T94] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.812938][ T94] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.822374][ T94] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.831970][ T94] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.837218][ T6676] block nbd0: shutting down sockets [ 1980.841487][ T94] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.854489][ T94] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.863839][ T94] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1980.877655][ T94] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1980.893115][ T6674] ldm_validate_partition_table(): Disk read failed. [ 1980.901071][ T6674] Dev nbd2: unable to read RDB block 0 [ 1980.908079][ T6674] nbd2: unable to read partition table [ 1980.929710][ T5102] block nbd1: Disconnected due to user request. [ 1980.947134][ T6675] ldm_validate_partition_table(): Disk read failed. [ 1980.954516][ T6675] Dev nbd2: unable to read RDB block 0 [ 1980.962449][ T6675] nbd2: unable to read partition table [ 1980.971893][ T6677] ldm_validate_partition_table(): Disk read failed. 05:01:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1274) 05:01:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40049409) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1980.980234][ T6677] Dev nbd2: unable to read RDB block 0 [ 1980.986951][ T6677] nbd2: unable to read partition table [ 1981.019541][ T6680] ldm_validate_partition_table(): Disk read failed. [ 1981.028900][ T6679] nbd3: detected capacity change from 0 to 2050 [ 1981.030450][ T6680] Dev nbd2: unable to read RDB block 0 [ 1981.046041][ T6680] nbd2: unable to read partition table 05:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.072873][ T6674] ldm_validate_partition_table(): Disk read failed. [ 1981.090695][ T6682] block nbd4: shutting down sockets [ 1981.098031][ T6674] Dev nbd2: unable to read RDB block 0 [ 1981.115885][ T6674] nbd2: unable to read partition table 05:01:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.137473][ T6689] block nbd3: shutting down sockets [ 1981.167993][ T6687] block nbd0: shutting down sockets 05:01:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40081271) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.236481][ T6692] block nbd1: NBD_DISCONNECT 05:01:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7fff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa, 0x80000}) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.387295][ T6700] block nbd4: shutting down sockets [ 1981.396631][ T6698] nbd2: detected capacity change from 0 to 2050 05:01:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.443242][ T6701] block nbd0: shutting down sockets [ 1981.460787][ T6705] block nbd2: shutting down sockets 05:01:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0xc000) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x6) dup3(r5, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(r3, &(0x7f00000000c0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(twofish)\x00'}, 0x80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.678108][ T6710] nbd4: detected capacity change from 0 to 2050 [ 1981.728442][ T6712] block nbd4: shutting down sockets [ 1981.765965][ T6713] block nbd3: shutting down sockets [ 1981.777404][T24863] ldm_validate_partition_table(): Disk read failed. [ 1981.832575][T24863] Dev nbd4: unable to read RDB block 0 [ 1981.840439][T24863] nbd4: unable to read partition table [ 1981.868609][T24863] ldm_validate_partition_table(): Disk read failed. [ 1981.890244][T24863] Dev nbd4: unable to read RDB block 0 [ 1981.902667][T24863] nbd4: unable to read partition table 05:01:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1276) 05:01:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40086602) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1981.992139][ T5102] block nbd1: Disconnected due to user request. 05:01:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1982.097889][ T6719] nbd4: detected capacity change from 0 to 2050 [ 1982.113600][ T6716] block nbd0: shutting down sockets [ 1982.149501][ T6721] nbd2: detected capacity change from 0 to 2050 [ 1982.168674][ T6728] block nbd4: shutting down sockets 05:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40087602) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1982.190070][ T6727] block nbd1: NBD_DISCONNECT [ 1982.204466][ T6725] block nbd2: shutting down sockets [ 1982.213623][ T6729] block nbd3: shutting down sockets [ 1982.222024][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1982.245650][ T7042] Dev nbd4: unable to read RDB block 0 [ 1982.276150][ T6732] block nbd5: shutting down sockets [ 1982.296031][ T7042] nbd4: unable to read partition table 05:01:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (fail_nth: 1) [ 1982.337406][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1982.369872][ T7042] Dev nbd4: unable to read RDB block 0 [ 1982.377353][ T6734] block nbd0: shutting down sockets 05:01:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:01:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1982.390752][ T7042] nbd4: unable to read partition table [ 1982.571676][ T6740] block nbd2: shutting down sockets [ 1982.573807][ T6742] block nbd5: shutting down sockets [ 1982.587084][ T6737] nbd4: detected capacity change from 0 to 2050 [ 1982.679606][ T6738] FAULT_INJECTION: forcing a failure. [ 1982.679606][ T6738] name failslab, interval 1, probability 0, space 0, times 0 [ 1982.712312][ T6738] CPU: 0 PID: 6738 Comm: syz-executor.3 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1982.722692][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1982.732747][ T6738] Call Trace: [ 1982.736050][ T6738] [ 1982.739011][ T6738] dump_stack_lvl+0x125/0x1b0 [ 1982.743739][ T6738] should_fail_ex+0x496/0x5b0 [ 1982.748481][ T6738] should_failslab+0x9/0x20 [ 1982.753008][ T6738] __kmem_cache_alloc_node+0x5f/0x460 [ 1982.758402][ T6738] ? tomoyo_realpath_from_path+0xb9/0x710 [ 1982.764163][ T6738] __kmalloc+0x49/0x90 [ 1982.768244][ T6738] tomoyo_realpath_from_path+0xb9/0x710 [ 1982.773804][ T6738] ? tomoyo_profile+0x47/0x60 [ 1982.778491][ T6738] tomoyo_path_number_perm+0x241/0x580 [ 1982.783957][ T6738] ? tomoyo_path_number_perm+0x22e/0x580 [ 1982.789593][ T6738] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1982.795426][ T6738] ? __fget_files+0x1c1/0x340 [ 1982.800138][ T6738] ? reacquire_held_locks+0x4c0/0x4c0 [ 1982.805567][ T6738] security_file_ioctl+0x72/0xb0 [ 1982.810549][ T6738] __x64_sys_ioctl+0xbb/0x210 [ 1982.815239][ T6738] do_syscall_64+0x40/0x110 [ 1982.819785][ T6738] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1982.825713][ T6738] RIP: 0033:0x7f893f07cae9 [ 1982.830122][ T6738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1982.849729][ T6738] RSP: 002b:00007f893fdce0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1982.858246][ T6738] RAX: ffffffffffffffda RBX: 00007f893f19bf80 RCX: 00007f893f07cae9 [ 1982.866294][ T6738] RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000007 [ 1982.874270][ T6738] RBP: 00007f893fdce120 R08: 0000000000000000 R09: 0000000000000000 [ 1982.882240][ T6738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1982.890209][ T6738] R13: 000000000000000b R14: 00007f893f19bf80 R15: 00007fff098a4418 [ 1982.898198][ T6738] [ 1982.907714][ T6738] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1982.916564][ T6738] block nbd3: shutting down sockets 05:01:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40101283) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:01:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) dup3(0xffffffffffffffff, r0, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:01:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1277) 05:01:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (fail_nth: 2) [ 1982.970079][T27923] block nbd1: Disconnected due to user request. [ 1983.045313][ T9] block nbd4: Possible stuck request ffff88801d6e4c00: control (read@0,4096B). Runtime 0 seconds [ 1983.097017][ T6750] block nbd5: shutting down sockets [ 1983.116982][ T6753] block nbd2: shutting down sockets [ 1983.136030][ T6751] block nbd0: shutting down sockets [ 1983.142807][ T6754] block nbd1: NBD_DISCONNECT 05:02:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1983.164706][ T6756] block nbd3: shutting down sockets 05:02:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (fail_nth: 3) 05:02:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40101286) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1983.308316][ T6759] nbd5: detected capacity change from 0 to 2050 [ 1983.360421][ T6766] block nbd5: shutting down sockets [ 1983.368091][ T6761] block nbd0: shutting down sockets [ 1983.380519][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1983.386381][ T6764] block nbd2: shutting down sockets [ 1983.396045][ T7240] Dev nbd5: unable to read RDB block 0 05:02:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1983.416046][ T7240] nbd5: unable to read partition table [ 1983.454138][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1983.484648][ T7240] Dev nbd5: unable to read RDB block 0 [ 1983.486747][ T6767] FAULT_INJECTION: forcing a failure. [ 1983.486747][ T6767] name failslab, interval 1, probability 0, space 0, times 0 [ 1983.498830][ T7240] nbd5: unable to read partition table [ 1983.554483][ T6767] CPU: 0 PID: 6767 Comm: syz-executor.3 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1983.564873][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1983.574971][ T6767] Call Trace: [ 1983.578280][ T6767] [ 1983.581237][ T6767] dump_stack_lvl+0x125/0x1b0 [ 1983.585959][ T6767] should_fail_ex+0x496/0x5b0 [ 1983.590694][ T6767] should_failslab+0x9/0x20 [ 1983.595223][ T6767] __kmem_cache_alloc_node+0x5f/0x460 [ 1983.600630][ T6767] ? tomoyo_encode2+0x100/0x3d0 [ 1983.605689][ T6767] __kmalloc+0x49/0x90 [ 1983.609778][ T6767] tomoyo_encode2+0x100/0x3d0 [ 1983.614484][ T6767] tomoyo_encode+0x29/0x50 [ 1983.618928][ T6767] tomoyo_realpath_from_path+0x196/0x710 [ 1983.624677][ T6767] tomoyo_path_number_perm+0x241/0x580 [ 1983.630159][ T6767] ? tomoyo_path_number_perm+0x22e/0x580 [ 1983.635827][ T6767] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1983.641667][ T6767] ? __fget_files+0x1c1/0x340 [ 1983.646360][ T6767] ? reacquire_held_locks+0x4c0/0x4c0 [ 1983.651776][ T6767] security_file_ioctl+0x72/0xb0 [ 1983.656753][ T6767] __x64_sys_ioctl+0xbb/0x210 [ 1983.661463][ T6767] do_syscall_64+0x40/0x110 [ 1983.665982][ T6767] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1983.671898][ T6767] RIP: 0033:0x7f893f07cae9 [ 1983.676319][ T6767] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1983.695946][ T6767] RSP: 002b:00007f893fdad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1983.704375][ T6767] RAX: ffffffffffffffda RBX: 00007f893f19c050 RCX: 00007f893f07cae9 [ 1983.712365][ T6767] RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000007 [ 1983.720352][ T6767] RBP: 00007f893fdad120 R08: 0000000000000000 R09: 0000000000000000 [ 1983.728352][ T6767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1983.736357][ T6767] R13: 000000000000006e R14: 00007f893f19c050 R15: 00007fff098a4418 [ 1983.744347][ T6767] [ 1983.787421][ T6767] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1983.826666][ T6767] block nbd3: shutting down sockets [ 1983.913949][T27985] block nbd1: Disconnected due to user request. [ 1984.395179][ T9] block nbd4: Possible stuck request ffff88801d6e4c00: control (read@0,4096B). Runtime 0 seconds [ 1985.472536][ T6737] block nbd4: shutting down sockets [ 1985.483512][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1985.490877][ T6899] Dev nbd4: unable to read RDB block 0 [ 1985.497534][ T6899] nbd4: unable to read partition table [ 1985.513293][ T6899] ldm_validate_partition_table(): Disk read failed. 05:02:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1278) 05:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40101288) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (fail_nth: 4) [ 1985.521984][ T6899] Dev nbd4: unable to read RDB block 0 [ 1985.531042][ T6899] nbd4: unable to read partition table 05:02:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1985.667892][ T6779] nbd4: detected capacity change from 0 to 2050 [ 1985.679536][ T6773] nbd5: detected capacity change from 0 to 2050 [ 1985.685786][ T6780] block nbd1: NBD_DISCONNECT [ 1985.696052][ T6776] block nbd0: shutting down sockets [ 1985.731604][ T6785] block nbd5: shutting down sockets [ 1985.745937][ C0] blk_print_req_error: 227 callbacks suppressed [ 1985.745958][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.761423][ C0] buffer_io_error: 227 callbacks suppressed [ 1985.761441][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read 05:02:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401070c9) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1985.792925][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.793491][ T6784] block nbd3: shutting down sockets [ 1985.802153][ T9] block nbd4: Possible stuck request ffff88801d6e6c00: control (read@0,4096B). Runtime 0 seconds [ 1985.819881][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.830347][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.841154][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.849494][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.852016][ T6784] FAULT_INJECTION: forcing a failure. [ 1985.852016][ T6784] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1985.858694][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.858931][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.893219][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.901326][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.910476][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.919704][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.930456][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read 05:02:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1985.938497][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.949108][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.957429][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1985.964239][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.973420][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1985.981498][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1985.991999][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1986.002224][ T6899] Dev nbd5: unable to read RDB block 0 [ 1986.006068][ T6784] CPU: 1 PID: 6784 Comm: syz-executor.3 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1986.008525][ T6899] nbd5: unable to read partition table [ 1986.018002][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1986.018020][ T6784] Call Trace: [ 1986.018032][ T6784] [ 1986.018041][ T6784] dump_stack_lvl+0x125/0x1b0 [ 1986.044543][ T6784] should_fail_ex+0x496/0x5b0 [ 1986.049254][ T6784] _copy_from_user+0x30/0xf0 [ 1986.053861][ T6784] kstrtouint_from_user+0xd7/0x1b0 [ 1986.059031][ T6784] ? kstrtouint+0x130/0x130 [ 1986.063554][ T6784] ? lock_sync+0x190/0x190 [ 1986.067994][ T6784] proc_fail_nth_write+0x84/0x260 [ 1986.073033][ T6784] ? proc_task_getattr+0x230/0x230 [ 1986.078172][ T6784] vfs_write+0x2a4/0xdf0 [ 1986.082430][ T6784] ? proc_task_getattr+0x230/0x230 [ 1986.087561][ T6784] ? kernel_write+0x6c0/0x6c0 [ 1986.092252][ T6784] ? mutex_trylock+0x130/0x130 [ 1986.097039][ T6784] ? __fget_files+0x1c6/0x340 [ 1986.101733][ T6784] ksys_write+0x12f/0x250 [ 1986.106083][ T6784] ? __ia32_sys_read+0xb0/0xb0 [ 1986.110860][ T6784] ? syscall_enter_from_user_mode+0x7f/0x120 [ 1986.116862][ T6784] do_syscall_64+0x40/0x110 [ 1986.121399][ T6784] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1986.127320][ T6784] RIP: 0033:0x7f893f07b82f [ 1986.132001][ T6784] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 80 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c 81 02 00 48 [ 1986.151627][ T6784] RSP: 002b:00007f893fdad0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 1986.160067][ T6784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f893f07b82f [ 1986.168224][ T6784] RDX: 0000000000000001 RSI: 00007f893fdad130 RDI: 000000000000000b [ 1986.176202][ T6784] RBP: 00007f893fdad120 R08: 0000000000000000 R09: 0000000000000000 [ 1986.184180][ T6784] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 05:02:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1986.192159][ T6784] R13: 000000000000006e R14: 00007f893f19c050 R15: 00007fff098a4418 [ 1986.200143][ T6784] [ 1986.269390][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1986.281137][ T6899] Dev nbd5: unable to read RDB block 0 [ 1986.296560][ T6791] block nbd0: shutting down sockets [ 1986.297318][ T6899] nbd5: unable to read partition table 05:02:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401070ca) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1986.454602][T28712] block nbd1: Disconnected due to user request. [ 1986.462677][ T6794] block nbd5: shutting down sockets [ 1986.517561][ T6798] block nbd0: shutting down sockets [ 1986.628408][ T6799] block nbd3: shutting down sockets [ 1987.195301][T32633] block nbd4: Possible stuck request ffff88801d6e6c00: control (read@0,4096B). Runtime 0 seconds [ 1988.555340][T32633] block nbd4: Possible stuck request ffff88801d6e6c00: control (read@0,4096B). Runtime 0 seconds [ 1988.587640][ T6779] block nbd4: shutting down sockets [ 1988.593842][ T7042] ldm_validate_partition_table(): Disk read failed. 05:02:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1279) 05:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401070cd) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x2) [ 1988.601666][ T7042] Dev nbd4: unable to read RDB block 0 [ 1988.608278][ T7042] nbd4: unable to read partition table [ 1988.621712][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1988.629023][ T7042] Dev nbd4: unable to read RDB block 0 [ 1988.634909][ T7042] nbd4: unable to read partition table [ 1988.736123][ T6803] block nbd5: shutting down sockets 05:02:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1988.756794][ T6805] block nbd0: shutting down sockets [ 1988.761961][ T6804] block nbd1: NBD_DISCONNECT 05:02:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x40186366) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1988.877770][ T6811] nbd4: detected capacity change from 0 to 2050 05:02:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1988.998959][ T6821] block nbd5: shutting down sockets 05:02:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1989.065594][ T6820] block nbd0: shutting down sockets 05:02:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401870c8) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1989.197850][ T6826] nbd5: detected capacity change from 0 to 2050 [ 1989.266073][ T6828] block nbd0: shutting down sockets [ 1989.526722][ T5102] block nbd1: Disconnected due to user request. [ 1989.614498][T28712] block nbd3: Receive control failed (result -32) [ 1989.622523][ T6810] block nbd3: shutting down sockets [ 1989.915284][T32633] block nbd4: Possible stuck request ffff88801d6ed600: control (read@0,4096B). Runtime 0 seconds [ 1991.275759][T32633] block nbd4: Possible stuck request ffff88801d6ed600: control (read@0,4096B). Runtime 0 seconds [ 1991.754778][ T6811] block nbd4: shutting down sockets [ 1991.760589][ C0] blk_print_req_error: 64 callbacks suppressed [ 1991.760609][ C0] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.775869][ C0] buffer_io_error: 64 callbacks suppressed [ 1991.775880][ C0] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.789624][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.799085][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.807153][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.816491][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.825541][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.836284][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.844688][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.853979][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.862026][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.872479][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.880651][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.889947][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.898091][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.907455][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.915650][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1991.924515][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1991.933708][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.941697][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 05:02:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401870cb) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127a) 05:02:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x10) 05:02:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x1276) [ 1991.950910][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 1991.959138][ T7240] Dev nbd4: unable to read RDB block 0 [ 1991.965751][ T7240] nbd4: unable to read partition table [ 1991.977230][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1991.984287][ T7240] Dev nbd4: unable to read RDB block 0 [ 1991.990760][ T7240] nbd4: unable to read partition table 05:02:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1992.102577][ T6826] block nbd5: shutting down sockets [ 1992.120606][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1992.137138][ T7042] Dev nbd5: unable to read RDB block 0 [ 1992.143431][ T7042] nbd5: unable to read partition table [ 1992.147360][ T6837] block nbd0: shutting down sockets [ 1992.154328][ T6839] block nbd1: NBD_DISCONNECT [ 1992.169225][ T7042] ldm_validate_partition_table(): Disk read failed. 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401870cc) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.203448][ T7042] Dev nbd5: unable to read RDB block 0 [ 1992.216701][ T7042] nbd5: unable to read partition table 05:02:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1992.292338][ T6842] block nbd4: NBD_DISCONNECT [ 1992.379862][ T6845] block nbd0: shutting down sockets 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x401c5820) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.424379][ T6847] nbd5: detected capacity change from 0 to 2050 [ 1992.448890][ T6849] nbd2: detected capacity change from 0 to 2050 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x4020940d) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.542349][ T6854] block nbd0: shutting down sockets 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80041284) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.638266][ T6856] block nbd0: shutting down sockets 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80041285) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.759369][ T6858] block nbd0: shutting down sockets 05:02:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80081270) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1992.857242][ T6860] block nbd0: shutting down sockets 05:02:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127b) [ 1992.907579][T27985] block nbd1: Disconnected due to user request. [ 1992.915208][T27923] block nbd3: Receive control failed (result -32) [ 1992.926736][ T6840] block nbd3: shutting down sockets 05:02:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x301) 05:02:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 1) [ 1993.030075][T28712] block nbd4: Disconnected due to user request. [ 1993.039058][ T6864] block nbd1: NBD_DISCONNECT [ 1993.042840][ T6862] block nbd0: shutting down sockets 05:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80081272) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1993.182302][ T6870] nbd4: detected capacity change from 0 to 2050 [ 1993.227844][ T6872] block nbd0: shutting down sockets [ 1993.232811][ T6873] FAULT_INJECTION: forcing a failure. [ 1993.232811][ T6873] name failslab, interval 1, probability 0, space 0, times 0 [ 1993.250233][ T6873] CPU: 0 PID: 6873 Comm: syz-executor.4 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1993.260680][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1993.270818][ T6873] Call Trace: [ 1993.274103][ T6873] [ 1993.277042][ T6873] dump_stack_lvl+0x125/0x1b0 [ 1993.281751][ T6873] should_fail_ex+0x496/0x5b0 [ 1993.286472][ T6873] should_failslab+0x9/0x20 [ 1993.290980][ T6873] __kmem_cache_alloc_node+0x5f/0x460 [ 1993.296371][ T6873] ? tomoyo_realpath_from_path+0xb9/0x710 [ 1993.302146][ T6873] __kmalloc+0x49/0x90 [ 1993.306242][ T6873] tomoyo_realpath_from_path+0xb9/0x710 [ 1993.311840][ T6873] ? tomoyo_profile+0x47/0x60 [ 1993.316535][ T6873] tomoyo_path_number_perm+0x241/0x580 [ 1993.322032][ T6873] ? tomoyo_path_number_perm+0x22e/0x580 [ 1993.327677][ T6873] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 1993.333493][ T6873] ? __might_fault+0x13f/0x1a0 [ 1993.338267][ T6873] ? __fget_files+0x1c1/0x340 [ 1993.342951][ T6873] ? reacquire_held_locks+0x4c0/0x4c0 [ 1993.348361][ T6873] security_file_ioctl+0x72/0xb0 [ 1993.353330][ T6873] __x64_sys_ioctl+0xbb/0x210 [ 1993.358051][ T6873] do_syscall_64+0x40/0x110 [ 1993.362588][ T6873] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1993.368508][ T6873] RIP: 0033:0x7f781ce7cae9 [ 1993.372935][ T6873] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 1993.392565][ T6873] RSP: 002b:00007f781dbdf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1993.400997][ T6873] RAX: ffffffffffffffda RBX: 00007f781cf9c050 RCX: 00007f781ce7cae9 [ 1993.408979][ T6873] RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000005 [ 1993.416975][ T6873] RBP: 00007f781dbdf120 R08: 0000000000000000 R09: 0000000000000000 05:02:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80081280) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1993.424964][ T6873] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1993.432950][ T6873] R13: 000000000000006e R14: 00007f781cf9c050 R15: 00007ffdd75ed528 [ 1993.440942][ T6873] [ 1993.451444][ T6873] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1993.461665][ T6873] block nbd4: shutting down sockets [ 1993.525867][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1993.536668][ T6924] Dev nbd4: unable to read RDB block 0 [ 1993.544706][ T6924] nbd4: unable to read partition table [ 1993.571859][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1993.573374][ T6875] block nbd0: shutting down sockets [ 1993.585866][ T6924] Dev nbd4: unable to read RDB block 0 [ 1993.594252][ T6924] nbd4: unable to read partition table [ 1993.834711][T28712] block nbd1: Disconnected due to user request. [ 1993.854006][T27923] block nbd3: Receive control failed (result -32) [ 1993.862906][ T6866] block nbd3: shutting down sockets [ 1995.345226][ T6847] block nbd5: shutting down sockets [ 1995.356253][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1995.366013][ T7240] Dev nbd5: unable to read RDB block 0 [ 1995.367461][ T6849] block nbd2: shutting down sockets [ 1995.372163][ T7240] nbd5: unable to read partition table [ 1995.378627][ T7042] ldm_validate_partition_table(): Disk read failed. 05:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80086301) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1995.401135][ T7042] Dev nbd2: unable to read RDB block 0 [ 1995.405455][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1995.409417][ T7042] nbd2: unable to read partition table [ 1995.413946][ T7240] Dev nbd5: unable to read RDB block 0 [ 1995.425954][ T7240] nbd5: unable to read partition table 05:02:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x125d) 05:02:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127c) 05:02:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 2) [ 1995.466517][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1995.482202][ T7042] Dev nbd2: unable to read RDB block 0 [ 1995.488798][ T7042] nbd2: unable to read partition table [ 1995.556900][ T6878] block nbd0: shutting down sockets 05:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80086601) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1995.642825][ T6887] block nbd1: NBD_DISCONNECT [ 1995.654033][ T6883] nbd5: detected capacity change from 0 to 2050 [ 1995.656442][ T6884] nbd4: detected capacity change from 0 to 2050 [ 1995.672936][ T6888] nbd2: detected capacity change from 0 to 2050 05:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x80087601) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1995.708959][ T6892] block nbd4: shutting down sockets [ 1995.727521][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1995.734654][ T6899] Dev nbd4: unable to read RDB block 0 [ 1995.741243][ T6899] nbd4: unable to read partition table [ 1995.748841][ T6893] block nbd0: shutting down sockets 05:02:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 3) [ 1995.787874][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1995.803108][ T6899] Dev nbd4: unable to read RDB block 0 05:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0x801c581f) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1995.834255][ T6899] nbd4: unable to read partition table [ 1995.848480][ T6897] block nbd0: shutting down sockets 05:02:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc0045878) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1995.947456][ T6900] block nbd0: shutting down sockets [ 1996.006081][ T6902] nbd4: detected capacity change from 0 to 2050 [ 1996.059950][ T6905] block nbd4: shutting down sockets [ 1996.073118][ T6904] block nbd0: shutting down sockets [ 1996.079203][ T6905] FAULT_INJECTION: forcing a failure. [ 1996.079203][ T6905] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 1996.080205][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1996.094285][ T6905] CPU: 1 PID: 6905 Comm: syz-executor.4 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 1996.109488][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 1996.119817][ T6905] Call Trace: [ 1996.123107][ T6905] [ 1996.126050][ T6905] dump_stack_lvl+0x125/0x1b0 [ 1996.130749][ T6905] should_fail_ex+0x496/0x5b0 [ 1996.135459][ T6905] _copy_to_user+0x30/0xb0 [ 1996.139895][ T6905] simple_read_from_buffer+0xd0/0x160 [ 1996.145288][ T6905] proc_fail_nth_read+0x1b0/0x280 [ 1996.150334][ T6905] ? proc_fault_inject_read+0x280/0x280 [ 1996.155890][ T6905] ? security_file_permission+0xdc/0x100 [ 1996.161541][ T6905] ? proc_fault_inject_read+0x280/0x280 [ 1996.167097][ T6905] vfs_read+0x1ce/0x8f0 [ 1996.171266][ T6905] ? __fdget_pos+0xe7/0x170 [ 1996.175785][ T6905] ? kernel_read+0x1b0/0x1b0 [ 1996.180387][ T6905] ? mutex_trylock+0x130/0x130 [ 1996.185172][ T6905] ? __fget_files+0x1c6/0x340 [ 1996.189865][ T6905] ksys_read+0x12f/0x250 [ 1996.194121][ T6905] ? vfs_write+0xdf0/0xdf0 [ 1996.198547][ T6905] ? syscall_enter_from_user_mode+0x7f/0x120 [ 1996.204555][ T6905] do_syscall_64+0x40/0x110 [ 1996.209077][ T6905] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1996.214997][ T6905] RIP: 0033:0x7f781ce7b78c [ 1996.219418][ T6905] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 59 81 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 af 81 02 00 48 [ 1996.239056][ T6905] RSP: 002b:00007f781dbdf0c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1996.247488][ T6905] RAX: ffffffffffffffda RBX: 00007f781cf9c050 RCX: 00007f781ce7b78c 05:02:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc0045878) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1996.255470][ T6905] RDX: 000000000000000f RSI: 00007f781dbdf130 RDI: 000000000000000a [ 1996.263449][ T6905] RBP: 00007f781dbdf120 R08: 0000000000000000 R09: 0000000000000000 [ 1996.271427][ T6905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1996.279429][ T6905] R13: 000000000000006e R14: 00007f781cf9c050 R15: 00007ffdd75ed528 [ 1996.287436][ T6905] [ 1996.301610][ T6924] Dev nbd4: unable to read RDB block 0 [ 1996.326889][ T6924] nbd4: unable to read partition table [ 1996.355882][ T6924] ldm_validate_partition_table(): Disk read failed. [ 1996.369710][ T6924] Dev nbd4: unable to read RDB block 0 [ 1996.377229][ T6924] nbd4: unable to read partition table [ 1996.410704][ T5111] block nbd3: Receive control failed (result -32) [ 1996.419537][T27985] block nbd1: Disconnected due to user request. 05:02:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 1996.421072][ T6886] block nbd3: shutting down sockets [ 1996.469149][ T6907] block nbd0: shutting down sockets [ 1996.578653][ T6910] nbd4: detected capacity change from 0 to 2050 [ 1996.634747][ T6911] block nbd4: shutting down sockets [ 1996.642965][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1996.654666][ T6899] Dev nbd4: unable to read RDB block 0 [ 1996.661090][ T6899] nbd4: unable to read partition table [ 1996.671673][ T6899] ldm_validate_partition_table(): Disk read failed. [ 1996.679375][ T6899] Dev nbd4: unable to read RDB block 0 [ 1996.693274][ T6899] nbd4: unable to read partition table [ 1998.552389][ T6883] block nbd5: shutting down sockets [ 1998.557813][ C0] blk_print_req_error: 286 callbacks suppressed [ 1998.557824][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.573123][ C0] buffer_io_error: 286 callbacks suppressed [ 1998.573133][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.583864][ T6888] block nbd2: shutting down sockets [ 1998.592312][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.601508][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.610243][ C0] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.619379][ C0] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1998.625198][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.631124][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.636659][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.653357][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.654376][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1998.662460][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.662671][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.662701][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.662899][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.670727][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.678256][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.678472][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 1998.688722][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 1998.695998][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 1998.696230][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1998.707750][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1998.718319][ T7042] Dev nbd5: unable to read RDB block 0 [ 1998.760864][ T7240] Dev nbd2: unable to read RDB block 0 [ 1998.766498][ T7042] nbd5: unable to read partition table [ 1998.778441][ T7240] nbd2: unable to read partition table [ 1998.791955][ T7042] ldm_validate_partition_table(): Disk read failed. [ 1998.800024][ T7042] Dev nbd5: unable to read RDB block 0 [ 1998.806163][ T7042] nbd5: unable to read partition table 05:02:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 05:02:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127d) 05:02:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x125e) 05:02:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc0101282) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x2) 05:02:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 1998.846174][ T7240] ldm_validate_partition_table(): Disk read failed. [ 1998.853407][ T7240] Dev nbd2: unable to read RDB block 0 [ 1998.868907][ T7240] nbd2: unable to read partition table [ 1998.996373][ T6917] block nbd1: NBD_DISCONNECT 05:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc0189436) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1999.017421][ T6921] block nbd0: shutting down sockets [ 1999.019657][ T6918] nbd5: detected capacity change from 0 to 2050 [ 1999.031376][ T6919] nbd4: detected capacity change from 0 to 2050 [ 1999.032177][ T6927] nbd2: detected capacity change from 0 to 2050 05:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc020660b) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1999.188544][ T6934] block nbd0: shutting down sockets 05:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xc0481273) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 1999.298886][ T6936] block nbd0: shutting down sockets 05:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = socket$l2tp6(0xa, 0x2, 0x73) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000080)=ANY=[@ANYBLOB="000000000100000000000000000000000000010000000000000000000000000000000000000000000000bc35b48357aa0bf4fe2dae0000000000000000000000000000000000cc51000000000000000000000000000000000000000000000000000000e1d6401b520aa3b04a700000000000c284222b7031d7e890c9fb69deaaf5dc17a100"/156], 0x90) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 1999.396701][ T6938] block nbd0: shutting down sockets 05:02:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = socket$l2tp6(0xa, 0x2, 0x73) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000080)=ANY=[@ANYBLOB="000000000100000000000000000000000000010000000000000000000000000000000000000000000000bc35b48357aa0bf4fe2dae0000000000000000000000000000000000cc51000000000000000000000000000000000000000000000000000000e1d6401b520aa3b04a700000000000c284222b7031d7e890c9fb69deaaf5dc17a100"/156], 0x90) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) socket$l2tp6(0xa, 0x2, 0x73) (async) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000080)=ANY=[@ANYBLOB="000000000100000000000000000000000000010000000000000000000000000000000000000000000000bc35b48357aa0bf4fe2dae0000000000000000000000000000000000cc51000000000000000000000000000000000000000000000000000000e1d6401b520aa3b04a700000000000c284222b7031d7e890c9fb69deaaf5dc17a100"/156], 0x90) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) [ 1999.572928][ T6942] block nbd0: shutting down sockets [ 1999.730838][ T6945] block nbd0: shutting down sockets 05:02:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127e) [ 1999.765316][T28712] block nbd1: Disconnected due to user request. [ 1999.783735][T27923] block nbd3: Receive control failed (result -32) [ 1999.791547][ T6912] block nbd3: shutting down sockets [ 1999.917406][ T6949] block nbd1: NBD_DISCONNECT [ 2000.396933][T32633] block nbd4: Possible stuck request ffff88801d6e5200: control (read@0,4096B). Runtime 0 seconds [ 2000.718108][T27923] block nbd1: Disconnected due to user request. [ 2001.755546][T32633] block nbd4: Possible stuck request ffff88801d6e5200: control (read@0,4096B). Runtime 0 seconds [ 2001.912871][ T6919] block nbd4: shutting down sockets [ 2001.920369][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2001.927775][ T7240] Dev nbd4: unable to read RDB block 0 [ 2001.933727][ T7240] nbd4: unable to read partition table [ 2001.939196][ T6918] block nbd5: shutting down sockets [ 2001.964408][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2001.972966][ T6927] block nbd2: shutting down sockets [ 2001.976178][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2001.986307][ T7042] Dev nbd5: unable to read RDB block 0 [ 2001.992780][ T7042] nbd5: unable to read partition table [ 2001.998917][ T7240] Dev nbd4: unable to read RDB block 0 [ 2002.013735][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2002.013854][ T7240] nbd4: unable to read partition table [ 2002.037707][ T6924] Dev nbd2: unable to read RDB block 0 [ 2002.049774][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2002.061000][ T6924] nbd2: unable to read partition table [ 2002.069675][ T7042] Dev nbd5: unable to read RDB block 0 [ 2002.083946][ T7042] nbd5: unable to read partition table [ 2002.099305][ T6924] ldm_validate_partition_table(): Disk read failed. 05:02:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = socket$l2tp6(0xa, 0x2, 0x73) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000080)=ANY=[@ANYBLOB="000000000100000000000000000000000000010000000000000000000000000000000000000000000000bc35b48357aa0bf4fe2dae0000000000000000000000000000000000cc51000000000000000000000000000000000000000000000000000000e1d6401b520aa3b04a700000000000c284222b7031d7e890c9fb69deaaf5dc17a100"/156], 0x90) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:02:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x125f) 05:02:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x127f) 05:02:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x10) 05:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 1) [ 2002.116186][ T6924] Dev nbd2: unable to read RDB block 0 [ 2002.132577][ T6924] nbd2: unable to read partition table [ 2002.276837][ T6960] block nbd0: shutting down sockets [ 2002.287243][ T6954] nbd5: detected capacity change from 0 to 2050 [ 2002.300109][ T6957] nbd4: detected capacity change from 0 to 2050 [ 2002.302472][ T6958] block nbd1: NBD_DISCONNECT 05:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2002.330275][ T6964] nbd2: detected capacity change from 0 to 2050 [ 2002.369882][ T6965] FAULT_INJECTION: forcing a failure. [ 2002.369882][ T6965] name failslab, interval 1, probability 0, space 0, times 0 [ 2002.387020][ T6969] block nbd2: shutting down sockets [ 2002.418247][ T6965] CPU: 1 PID: 6965 Comm: syz-executor.5 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2002.428612][ T6965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2002.436331][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2002.438659][ T6965] Call Trace: [ 2002.438676][ T6965] [ 2002.451593][ T6965] dump_stack_lvl+0x125/0x1b0 [ 2002.456316][ T6965] should_fail_ex+0x496/0x5b0 [ 2002.460164][ T7240] Dev nbd2: unable to read RDB block 0 [ 2002.461027][ T6965] should_failslab+0x9/0x20 [ 2002.461066][ T6965] __kmem_cache_alloc_node+0x5f/0x460 [ 2002.476457][ T6965] ? tomoyo_realpath_from_path+0xb9/0x710 [ 2002.482408][ T6965] __kmalloc+0x49/0x90 [ 2002.486517][ T6965] tomoyo_realpath_from_path+0xb9/0x710 [ 2002.486791][ T7240] nbd2: unable to read partition table [ 2002.492094][ T6965] ? tomoyo_profile+0x47/0x60 [ 2002.492133][ T6965] tomoyo_path_number_perm+0x241/0x580 [ 2002.507861][ T6965] ? tomoyo_path_number_perm+0x22e/0x580 [ 2002.513548][ T6965] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 2002.518644][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2002.519476][ T6965] ? __fget_files+0x1c1/0x340 [ 2002.530747][ T6965] ? reacquire_held_locks+0x4c0/0x4c0 [ 2002.532387][ T7240] Dev nbd2: unable to read RDB block 0 [ 2002.536151][ T6965] security_file_ioctl+0x72/0xb0 [ 2002.536203][ T6965] __x64_sys_ioctl+0xbb/0x210 [ 2002.536234][ T6965] do_syscall_64+0x40/0x110 [ 2002.536268][ T6965] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2002.536313][ T6965] RIP: 0033:0x7f81cc87cae9 [ 2002.536337][ T6965] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2002.545527][ T7240] nbd2: unable to read partition table [ 2002.546693][ T6965] RSP: 002b:00007f81cd5790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2002.546727][ T6965] RAX: ffffffffffffffda RBX: 00007f81cc99c050 RCX: 00007f81cc87cae9 [ 2002.546749][ T6965] RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000004 [ 2002.546769][ T6965] RBP: 00007f81cd579120 R08: 0000000000000000 R09: 0000000000000000 05:02:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2002.624304][ T6965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2002.632313][ T6965] R13: 000000000000006e R14: 00007f81cc99c050 R15: 00007ffddaacdab8 [ 2002.640327][ T6965] [ 2002.681417][ T6965] ERROR: Out of memory at tomoyo_realpath_from_path. [ 2002.688563][ T6965] block nbd5: shutting down sockets [ 2002.727704][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2002.742472][ T6899] Dev nbd5: unable to read RDB block 0 [ 2002.749515][ T6899] nbd5: unable to read partition table [ 2002.765964][ T6899] ldm_validate_partition_table(): Disk read failed. 05:02:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 2) [ 2002.774746][ T6974] nbd2: detected capacity change from 0 to 2050 [ 2002.785409][ T6975] block nbd0: Device being setup by another task [ 2002.792623][ T6975] block nbd0: shutting down sockets [ 2002.803439][ T6899] Dev nbd5: unable to read RDB block 0 05:02:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2002.827560][ T6976] block nbd2: shutting down sockets [ 2002.831740][ T6899] nbd5: unable to read partition table [ 2002.849963][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2002.860373][ T7240] Dev nbd2: unable to read RDB block 0 [ 2002.869962][ T7240] nbd2: unable to read partition table 05:02:19 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2002.913582][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2002.944082][ T7240] Dev nbd2: unable to read RDB block 0 [ 2002.959079][ T7240] nbd2: unable to read partition table [ 2003.006532][ T6978] nbd5: detected capacity change from 0 to 2050 05:02:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x4b47) [ 2003.050555][ T6984] block nbd5: shutting down sockets [ 2003.063086][T28712] block nbd1: Disconnected due to user request. [ 2003.073083][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2003.094296][ T6899] Dev nbd5: unable to read RDB block 0 [ 2003.100317][ T6985] block nbd2: shutting down sockets [ 2003.105710][T27923] block nbd3: Receive control failed (result -32) [ 2003.114279][ T6966] block nbd3: shutting down sockets [ 2003.117046][ T6899] nbd5: unable to read partition table [ 2003.125969][ T6983] block nbd0: Device being setup by another task [ 2003.134242][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2003.141854][ T6899] Dev nbd5: unable to read RDB block 0 05:02:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1260) 05:02:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 3) [ 2003.142411][T32633] block nbd4: Possible stuck request ffff88801d6e7400: control (read@0,4096B). Runtime 0 seconds [ 2003.148472][ T6899] nbd5: unable to read partition table [ 2003.177384][ T6986] block nbd0: shutting down sockets 05:02:20 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:02:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2003.342089][ T6988] block nbd1: NBD_DISCONNECT [ 2003.386153][ T6994] nbd5: detected capacity change from 0 to 2050 [ 2003.430854][ T6999] block nbd2: shutting down sockets [ 2003.437370][ T7000] FAULT_INJECTION: forcing a failure. [ 2003.437370][ T7000] name failslab, interval 1, probability 0, space 0, times 0 [ 2003.462710][ T7000] CPU: 1 PID: 7000 Comm: syz-executor.5 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2003.473095][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2003.483186][ T7000] Call Trace: [ 2003.486495][ T7000] [ 2003.489463][ T7000] dump_stack_lvl+0x125/0x1b0 [ 2003.494199][ T7000] should_fail_ex+0x496/0x5b0 [ 2003.498939][ T7000] should_failslab+0x9/0x20 [ 2003.503499][ T7000] __kmem_cache_alloc_node+0x5f/0x460 [ 2003.508938][ T7000] ? tomoyo_encode2+0x100/0x3d0 [ 2003.513837][ T7000] __kmalloc+0x49/0x90 [ 2003.517931][ T7000] tomoyo_encode2+0x100/0x3d0 [ 2003.522668][ T7000] tomoyo_encode+0x29/0x50 [ 2003.527105][ T7000] tomoyo_realpath_from_path+0x196/0x710 [ 2003.532805][ T7000] tomoyo_path_number_perm+0x241/0x580 [ 2003.538317][ T7000] ? tomoyo_path_number_perm+0x22e/0x580 [ 2003.544024][ T7000] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 2003.549892][ T7000] ? __fget_files+0x1c1/0x340 [ 2003.554628][ T7000] ? reacquire_held_locks+0x4c0/0x4c0 [ 2003.560026][ T7000] security_file_ioctl+0x72/0xb0 [ 2003.565005][ T7000] __x64_sys_ioctl+0xbb/0x210 [ 2003.569709][ T7000] do_syscall_64+0x40/0x110 [ 2003.574247][ T7000] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2003.580177][ T7000] RIP: 0033:0x7f81cc87cae9 [ 2003.584620][ T7000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 2003.604621][ T7000] RSP: 002b:00007f81cd5790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2003.613073][ T7000] RAX: ffffffffffffffda RBX: 00007f81cc99c050 RCX: 00007f81cc87cae9 [ 2003.621047][ T7000] RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000004 [ 2003.629017][ T7000] RBP: 00007f81cd579120 R08: 0000000000000000 R09: 0000000000000000 [ 2003.636986][ T7000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2003.644963][ T7000] R13: 000000000000006e R14: 00007f81cc99c050 R15: 00007ffddaacdab8 [ 2003.653025][ T7000] [ 2003.674580][ T7000] ERROR: Out of memory at tomoyo_realpath_from_path. [ 2003.677222][ T7001] block nbd0: shutting down sockets [ 2003.681669][ T7000] block nbd5: shutting down sockets [ 2003.730708][ C1] blk_print_req_error: 322 callbacks suppressed [ 2003.730754][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.746144][ C1] buffer_io_error: 322 callbacks suppressed [ 2003.746161][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.760325][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.770861][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.780738][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.790500][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.803712][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.818150][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.827726][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.837086][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.847895][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.858493][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.866856][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.875989][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.883875][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.893413][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.908946][T10977] ldm_validate_partition_table(): Disk read failed. [ 2003.918369][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.929219][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.937255][ T94] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2003.946363][ T94] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2003.954507][T10977] Dev nbd5: unable to read RDB block 0 [ 2003.960911][T10977] nbd5: unable to read partition table [ 2003.976686][T10977] ldm_validate_partition_table(): Disk read failed. [ 2003.986586][T10977] Dev nbd5: unable to read RDB block 0 [ 2003.992808][T10977] nbd5: unable to read partition table [ 2004.035771][T27923] block nbd1: Disconnected due to user request. [ 2004.144595][ T5111] block nbd3: Receive control failed (result -32) [ 2004.156016][ T6992] block nbd3: shutting down sockets [ 2004.477605][T32633] block nbd4: Possible stuck request ffff88801d6e7400: control (read@0,4096B). Runtime 0 seconds [ 2005.209377][ T6957] block nbd4: shutting down sockets [ 2005.223238][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2005.230431][ T7042] Dev nbd4: unable to read RDB block 0 [ 2005.237864][ T7042] nbd4: unable to read partition table [ 2005.248018][ T7042] ldm_validate_partition_table(): Disk read failed. 05:02:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x301) 05:02:22 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:02:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c5900) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000100)={{0x3, @null}, [@default, @rose, @default, @rose, @netrom, @null, @remote, @rose]}, &(0x7f0000000180)=0x48, 0x80800) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r5, 0x8983, &(0x7f0000000200)) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DISCONNECT(r3, 0xab08) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0xfffffffffffffff7) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x93943) 05:02:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (fail_nth: 4) 05:02:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x4b49) 05:02:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1261) [ 2005.257709][ T7042] Dev nbd4: unable to read RDB block 0 [ 2005.266196][ T7042] nbd4: unable to read partition table [ 2005.397561][ T7007] block nbd1: NBD_DISCONNECT [ 2005.427710][ T7014] nbd4: detected capacity change from 0 to 2050 [ 2005.437381][ T7009] nbd5: detected capacity change from 0 to 2050 [ 2005.445686][ T7012] block nbd0: shutting down sockets [ 2005.455808][ T7012] block nbd0: NBD_DISCONNECT [ 2005.466429][ T7012] block nbd0: Send disconnect failed -32 05:02:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c5900) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000100)={{0x3, @null}, [@default, @rose, @default, @rose, @netrom, @null, @remote, @rose]}, &(0x7f0000000180)=0x48, 0x80800) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r5, 0x8983, &(0x7f0000000200)) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r3, 0xab08) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0xfffffffffffffff7) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x93943) [ 2005.473520][ T7015] block nbd2: shutting down sockets [ 2005.479100][ T7012] block nbd0: Send disconnect failed -32 [ 2005.490751][ T7012] block nbd0: server does not support multiple connections per device. [ 2005.500529][ T7019] block nbd5: shutting down sockets [ 2005.514429][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2005.530696][ T7019] FAULT_INJECTION: forcing a failure. [ 2005.530696][ T7019] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 2005.546106][ T7019] CPU: 0 PID: 7019 Comm: syz-executor.5 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2005.556490][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2005.566579][ T7019] Call Trace: [ 2005.569901][ T7019] [ 2005.571074][ T7042] Dev nbd5: unable to read RDB block 0 [ 2005.572834][ T7019] dump_stack_lvl+0x125/0x1b0 [ 2005.572875][ T7019] should_fail_ex+0x496/0x5b0 [ 2005.587754][ T7019] _copy_to_user+0x30/0xb0 [ 2005.592225][ T7019] simple_read_from_buffer+0xd0/0x160 [ 2005.597653][ T7019] proc_fail_nth_read+0x1b0/0x280 [ 2005.602724][ T7019] ? proc_fault_inject_read+0x280/0x280 [ 2005.603921][ T7042] nbd5: unable to read partition table [ 2005.608379][ T7019] ? security_file_permission+0xdc/0x100 [ 2005.608425][ T7019] ? proc_fault_inject_read+0x280/0x280 [ 2005.608453][ T7019] vfs_read+0x1ce/0x8f0 [ 2005.608486][ T7019] ? __fdget_pos+0xe7/0x170 [ 2005.608517][ T7019] ? kernel_read+0x1b0/0x1b0 [ 2005.608547][ T7019] ? mutex_trylock+0x130/0x130 [ 2005.608590][ T7019] ? __fget_files+0x1c6/0x340 [ 2005.608625][ T7019] ksys_read+0x12f/0x250 [ 2005.608658][ T7019] ? vfs_write+0xdf0/0xdf0 [ 2005.608692][ T7019] ? syscall_enter_from_user_mode+0x7f/0x120 [ 2005.608736][ T7019] do_syscall_64+0x40/0x110 [ 2005.608766][ T7019] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2005.608817][ T7019] RIP: 0033:0x7f81cc87b78c [ 2005.608840][ T7019] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 59 81 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 af 81 02 00 48 [ 2005.608871][ T7019] RSP: 002b:00007f81cd5790c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 2005.608902][ T7019] RAX: ffffffffffffffda RBX: 00007f81cc99c050 RCX: 00007f81cc87b78c [ 2005.608924][ T7019] RDX: 000000000000000f RSI: 00007f81cd579130 RDI: 0000000000000009 05:02:22 executing program 2: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2005.608945][ T7019] RBP: 00007f81cd579120 R08: 0000000000000000 R09: 0000000000000000 [ 2005.608965][ T7019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2005.608985][ T7019] R13: 000000000000006e R14: 00007f81cc99c050 R15: 00007ffddaacdab8 [ 2005.609010][ T7019] 05:02:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2005.781546][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2005.789347][ T7042] Dev nbd5: unable to read RDB block 0 [ 2005.795939][ T7042] nbd5: unable to read partition table [ 2005.835244][T32633] block nbd4: Possible stuck request ffff88801d6ed600: control (read@0,4096B). Runtime 0 seconds 05:02:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1c5900) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000100)={{0x3, @null}, [@default, @rose, @default, @rose, @netrom, @null, @remote, @rose]}, &(0x7f0000000180)=0x48, 0x80800) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r5, 0x8983, &(0x7f0000000200)) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DISCONNECT(r3, 0xab08) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0xfffffffffffffff7) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r7 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x93943) 05:02:22 executing program 2: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2005.881874][ T7029] block nbd2: shutting down sockets [ 2005.895244][ T7022] block nbd0: Device being setup by another task [ 2005.902326][ T7023] block nbd0: shutting down sockets [ 2005.919642][ T7028] nbd5: detected capacity change from 0 to 2050 [ 2005.971857][ T7030] block nbd5: shutting down sockets [ 2005.986827][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2005.996573][ T7042] Dev nbd5: unable to read RDB block 0 [ 2006.003037][ T7042] nbd5: unable to read partition table 05:02:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x2) [ 2006.041910][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2006.072428][ T7042] Dev nbd5: unable to read RDB block 0 [ 2006.094057][ T7042] nbd5: unable to read partition table [ 2006.129227][ T7037] ldm_validate_partition_table(): Disk read failed. [ 2006.140712][ T7037] Dev nbd5: unable to read RDB block 0 [ 2006.148090][ T7037] nbd5: unable to read partition table [ 2006.163368][ T7007] block nbd1: Disconnected due to user request. [ 2006.170497][ T5102] block nbd3: Receive control failed (result -32) [ 2006.173086][ T7011] block nbd3: shutting down sockets [ 2006.177185][ T7034] block nbd0: Device being setup by another task [ 2006.177441][ T7033] block nbd0: shutting down sockets [ 2006.179212][ T7007] block nbd1: shutting down sockets [ 2006.192652][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2006.195060][ T7034] block nbd0: NBD_DISCONNECT [ 2006.216058][ T7038] block nbd2: shutting down sockets [ 2006.218054][ T7034] block nbd0: Send disconnect failed -32 [ 2006.227667][ T6899] Dev nbd5: unable to read RDB block 0 [ 2006.263239][ T6899] nbd5: unable to read partition table [ 2006.305195][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2006.322201][ T6899] Dev nbd5: unable to read RDB block 0 [ 2006.328617][ T6899] nbd5: unable to read partition table [ 2006.346211][ T7037] ldm_validate_partition_table(): Disk read failed. [ 2006.358835][ T7037] Dev nbd5: unable to read RDB block 0 [ 2006.374504][ T7037] nbd5: unable to read partition table [ 2006.384745][ T7040] ldm_validate_partition_table(): Disk read failed. [ 2006.392591][ T7040] Dev nbd5: unable to read RDB block 0 [ 2006.405927][ T7040] nbd5: unable to read partition table [ 2006.421038][ T7041] ldm_validate_partition_table(): Disk read failed. [ 2006.428522][ T7041] Dev nbd5: unable to read RDB block 0 [ 2006.435106][ T7041] nbd5: unable to read partition table [ 2007.195627][T32633] block nbd4: Possible stuck request ffff88801d6ed600: control (read@0,4096B). Runtime 0 seconds [ 2008.371491][ T7014] block nbd4: shutting down sockets [ 2008.381303][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2008.392325][ T7240] Dev nbd4: unable to read RDB block 0 [ 2008.398548][ T7240] nbd4: unable to read partition table 05:02:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x125d) 05:02:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1262) 05:02:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs, 0x6e) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000e000000850000002a00000095"], &(0x7f0000000400)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) r7 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='sched_switch\x00', r6}, 0x10) r8 = getpid() r9 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r9, &(0x7f0000d84000)={0xa, 0x2, 0x0, @loopback}, 0x1c) sendto$inet6(r9, &(0x7f00000000c0)="044aac2f202c5feda71e039a57a93088fdcce4afe28aac61837792741a190670ccbe1a2b00aa77a87d56a3f12c7920ad02928a5d1014e5b896f000fcf6521928480be9af82613a5c661f4110adba358afd8b5b4ef1702051e393ede2698112a1f1bdf1d0f568546ed322ab4c53545bd2cd6e48522f0c154cb3c6864dc30ae921db100f1ee97a234503338f8fdf356472da0c7ab62f274f34", 0xadf29f33fb903ae1, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x2}, 0x1c) recvmsg(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000040)=""/50, 0xfffffe72}, {&(0x7f0000000240)=""/52, 0x34}, {&(0x7f0000000780)=""/129, 0x80}, {&(0x7f0000000300)=""/68, 0x44}, {&(0x7f0000000380)=""/121, 0x79}, {&(0x7f0000000400)=""/183, 0xb7}], 0x6}, 0x40000110) r10 = bpf$BPF_LINK_CREATE_XDP(0x1c, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f00000009c0)=0xc) sendmmsg$unix(r5, &(0x7f0000001d00)=[{{&(0x7f0000000280)=@abs={0x0, 0x0, 0x4e22}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40}}, {{0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000640)="7da568cdaad1046685775083a403d48ac88bf6bb03496f77c9e28514fe51796aa1d7b74a73bb38ea740fe493d94fa2877188a696bc43001ad4da3e4b447fb99e59c12ff6fac392cabcc5a46cd7d13b5bfb48f97cc1d6c77a5ee49a9620c4259fd965c7d1d14e96002291d4f1", 0x6c}], 0x1, &(0x7f0000000a80)=ANY=[@ANYBLOB="1c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="0000001820000000000100000000000001000000f325e43ce4d954529d33a192105dec29ce885a511118ff11285bc843", @ANYRES32=r9, @ANYRES32, @ANYRES32=r6, @ANYRES32=r5, @ANYBLOB="1c000000000000000100000001000000", @ANYRES32=r7, @ANYRES32=r10, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=r8, @ANYRES32=r11, @ANYRES32=r12, @ANYBLOB="000000002400000000000000010000000100", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0xc8, 0x2000089c}}, {{&(0x7f0000000a00)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000e40)=[{&(0x7f0000000c40)="f61bcb81fcb1ffeab739cf6082990ee646b0d8ca1e1bac8601a926b6234cafe80472547aafd5f297e0d1f14bed5ede075d1d6d8fedbc868f21a91b9f6693b4ee5e4f2a", 0x43}, {&(0x7f0000000a80)}, {&(0x7f0000000d00)="6a3cbd1828abb2b3a7e952a1ca472f9897934879564ab969bc8856410831a6c82228b78d78de66cdfcbe6c2e3425e7bdc26d67c4f138e376b8396526043a6de28b8876006afc2bbb5588d742ecddf0a035391c29b69358c00a159740276dcb83429ab392ca80ee9c3ddb1e1a952a0a095364c4313b2100a60f4a14b888a09695d83c687f4f0eeb", 0x87}, {&(0x7f0000000dc0)="d9960f065371e45d5780580ca3458a66f3f4a7e21356a06e6a24817811035cb5e382c9e9986e2d0964b675eb15f9d2c0072921658278c5953be6b9bdac", 0x3d}], 0x4, &(0x7f0000001080)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=r11, @ANYRES32=0x0, @ANYBLOB="0000000030000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r7, @ANYBLOB="5c1bc8cc36391ffdec727466", @ANYRES32, @ANYRES32=r5, @ANYBLOB="1c000001000000001f00000000000000aaeb1a5799518a29e21e21cffa3c21fa3b67a44ee6e4700e3994ebf787ad8de66870f14a27399f456d3c5eafab529dc2366790b9ca2a7a094ecc189a53d189dd4ab6", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r6, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r9, @ANYBLOB="000000001c0000000000000001db18463401e8cc", @ANYRES32=0xee01, @ANYRES32=r12, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xe0, 0x48840}}, {{&(0x7f0000001740)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000001880)=[{&(0x7f00000017c0)="8f0c573501a6e7432141a7f8250ff18ab05dc9afcc3accafb1bd97a6078215e0dba461f40cbeea1abbecade7f5461bf35e6b2c94040ba89f7bd48c9328e2653b1400e83424c119deaca44e4f7e642be562902d64231cbf89551068ab5bc579847be35ac617d8522067dad8ab8cd52a1214aab88122278de6f62397d8171f2f1ad744d6b0dc10454c585b6ad46cbe35adf170a3a1138812acbc00867b7abeb0bc7d124e5e61227d08295b1b44272546a2d2311ad6", 0xb4}], 0x1, 0x0, 0x0, 0x42890}}, {{&(0x7f0000001a40)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001cc0)=[{&(0x7f0000000e80)="8ba1a391bb65dbbb5b12d94b71234ea8c87b2d660059626bc615bd51a255fc7e4399da25f2608bdfbcf975c3c0e50815096abba3169304179efc649ca5a9994b61fa79580dba66090271740fb486b467644515200a4447c79d22ea1a6e269ec50a5c8d9ecbc7be56dc0a3070b6bcc09d9776fca94616b88e122980402930616d53cb", 0x82}, {&(0x7f0000001b80)="b30fcb8aff146e8ac10fd9b7c72c15f512bc5cf779e4b419be2306832c1fe7a301451798a30d2b8796f4f9be34de3395aad9783f146adb85764e6eef14df59f6ebf237e4fb79dddb247effed77236aae5afc5ac99eae3ba628de", 0x5a}, {&(0x7f0000001c40)="b26ff8678b981082a23308a6765deb5f231b21faaf53b5953a7233e5406ae8b435c944e22d9812cb68b7d028bbef85665a6a6fa274bcb3740bd4a0c989301000c46d216e9a1dc4a39004396db61f7cd76cb70474ac4fee625b75a32c6a4850e48604dc291661", 0x66}], 0x3, 0x0, 0x0, 0x24000810}}], 0x5, 0x810) quotactl_fd$Q_QUOTAOFF(r3, 0xffffffff80000301, r11, 0x0) r13 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r13, 0xab04) 05:02:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x541b) 05:02:25 executing program 2: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:02:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x10) [ 2008.415417][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2008.422640][ T7240] Dev nbd4: unable to read RDB block 0 [ 2008.432483][ T7240] nbd4: unable to read partition table [ 2008.521821][ T7047] block nbd1: NBD_DISCONNECT 05:02:25 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2008.597376][ T7056] nbd5: detected capacity change from 0 to 2050 [ 2008.611671][ T7055] nbd4: detected capacity change from 0 to 2050 [ 2008.629652][ T7060] block nbd2: shutting down sockets [ 2008.665178][ T7061] block nbd0: Device being setup by another task [ 2008.682834][ T7061] block nbd0: shutting down sockets 05:02:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs, 0x6e) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000e000000850000002a00000095"], &(0x7f0000000400)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) (async) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000e000000850000002a00000095"], &(0x7f0000000400)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) r7 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='sched_switch\x00', r6}, 0x10) r8 = getpid() socket$inet6_tcp(0xa, 0x1, 0x0) (async) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r9, &(0x7f0000d84000)={0xa, 0x2, 0x0, @loopback}, 0x1c) sendto$inet6(r9, &(0x7f00000000c0)="044aac2f202c5feda71e039a57a93088fdcce4afe28aac61837792741a190670ccbe1a2b00aa77a87d56a3f12c7920ad02928a5d1014e5b896f000fcf6521928480be9af82613a5c661f4110adba358afd8b5b4ef1702051e393ede2698112a1f1bdf1d0f568546ed322ab4c53545bd2cd6e48522f0c154cb3c6864dc30ae921db100f1ee97a234503338f8fdf356472da0c7ab62f274f34", 0xadf29f33fb903ae1, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x2}, 0x1c) recvmsg(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000040)=""/50, 0xfffffe72}, {&(0x7f0000000240)=""/52, 0x34}, {&(0x7f0000000780)=""/129, 0x80}, {&(0x7f0000000300)=""/68, 0x44}, {&(0x7f0000000380)=""/121, 0x79}, {&(0x7f0000000400)=""/183, 0xb7}], 0x6}, 0x40000110) r10 = bpf$BPF_LINK_CREATE_XDP(0x1c, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000007c0), &(0x7f00000009c0)=0xc) (async) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f00000009c0)=0xc) sendmmsg$unix(r5, &(0x7f0000001d00)=[{{&(0x7f0000000280)=@abs={0x0, 0x0, 0x4e22}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40}}, {{0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000640)="7da568cdaad1046685775083a403d48ac88bf6bb03496f77c9e28514fe51796aa1d7b74a73bb38ea740fe493d94fa2877188a696bc43001ad4da3e4b447fb99e59c12ff6fac392cabcc5a46cd7d13b5bfb48f97cc1d6c77a5ee49a9620c4259fd965c7d1d14e96002291d4f1", 0x6c}], 0x1, &(0x7f0000000a80)=ANY=[@ANYBLOB="1c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="0000001820000000000100000000000001000000f325e43ce4d954529d33a192105dec29ce885a511118ff11285bc843", @ANYRES32=r9, @ANYRES32, @ANYRES32=r6, @ANYRES32=r5, @ANYBLOB="1c000000000000000100000001000000", @ANYRES32=r7, @ANYRES32=r10, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=r8, @ANYRES32=r11, @ANYRES32=r12, @ANYBLOB="000000002400000000000000010000000100", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0xc8, 0x2000089c}}, {{&(0x7f0000000a00)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000e40)=[{&(0x7f0000000c40)="f61bcb81fcb1ffeab739cf6082990ee646b0d8ca1e1bac8601a926b6234cafe80472547aafd5f297e0d1f14bed5ede075d1d6d8fedbc868f21a91b9f6693b4ee5e4f2a", 0x43}, {&(0x7f0000000a80)}, {&(0x7f0000000d00)="6a3cbd1828abb2b3a7e952a1ca472f9897934879564ab969bc8856410831a6c82228b78d78de66cdfcbe6c2e3425e7bdc26d67c4f138e376b8396526043a6de28b8876006afc2bbb5588d742ecddf0a035391c29b69358c00a159740276dcb83429ab392ca80ee9c3ddb1e1a952a0a095364c4313b2100a60f4a14b888a09695d83c687f4f0eeb", 0x87}, {&(0x7f0000000dc0)="d9960f065371e45d5780580ca3458a66f3f4a7e21356a06e6a24817811035cb5e382c9e9986e2d0964b675eb15f9d2c0072921658278c5953be6b9bdac", 0x3d}], 0x4, &(0x7f0000001080)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=r11, @ANYRES32=0x0, @ANYBLOB="0000000030000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r7, @ANYBLOB="5c1bc8cc36391ffdec727466", @ANYRES32, @ANYRES32=r5, @ANYBLOB="1c000001000000001f00000000000000aaeb1a5799518a29e21e21cffa3c21fa3b67a44ee6e4700e3994ebf787ad8de66870f14a27399f456d3c5eafab529dc2366790b9ca2a7a094ecc189a53d189dd4ab6", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r6, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r9, @ANYBLOB="000000001c0000000000000001db18463401e8cc", @ANYRES32=0xee01, @ANYRES32=r12, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xe0, 0x48840}}, {{&(0x7f0000001740)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000001880)=[{&(0x7f00000017c0)="8f0c573501a6e7432141a7f8250ff18ab05dc9afcc3accafb1bd97a6078215e0dba461f40cbeea1abbecade7f5461bf35e6b2c94040ba89f7bd48c9328e2653b1400e83424c119deaca44e4f7e642be562902d64231cbf89551068ab5bc579847be35ac617d8522067dad8ab8cd52a1214aab88122278de6f62397d8171f2f1ad744d6b0dc10454c585b6ad46cbe35adf170a3a1138812acbc00867b7abeb0bc7d124e5e61227d08295b1b44272546a2d2311ad6", 0xb4}], 0x1, 0x0, 0x0, 0x42890}}, {{&(0x7f0000001a40)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001cc0)=[{&(0x7f0000000e80)="8ba1a391bb65dbbb5b12d94b71234ea8c87b2d660059626bc615bd51a255fc7e4399da25f2608bdfbcf975c3c0e50815096abba3169304179efc649ca5a9994b61fa79580dba66090271740fb486b467644515200a4447c79d22ea1a6e269ec50a5c8d9ecbc7be56dc0a3070b6bcc09d9776fca94616b88e122980402930616d53cb", 0x82}, {&(0x7f0000001b80)="b30fcb8aff146e8ac10fd9b7c72c15f512bc5cf779e4b419be2306832c1fe7a301451798a30d2b8796f4f9be34de3395aad9783f146adb85764e6eef14df59f6ebf237e4fb79dddb247effed77236aae5afc5ac99eae3ba628de", 0x5a}, {&(0x7f0000001c40)="b26ff8678b981082a23308a6765deb5f231b21faaf53b5953a7233e5406ae8b435c944e22d9812cb68b7d028bbef85665a6a6fa274bcb3740bd4a0c989301000c46d216e9a1dc4a39004396db61f7cd76cb70474ac4fee625b75a32c6a4850e48604dc291661", 0x66}], 0x3, 0x0, 0x0, 0x24000810}}], 0x5, 0x810) quotactl_fd$Q_QUOTAOFF(r3, 0xffffffff80000301, r11, 0x0) (async) quotactl_fd$Q_QUOTAOFF(r3, 0xffffffff80000301, r11, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r13 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r13, 0xab04) 05:02:25 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2008.802650][ T7068] block nbd2: shutting down sockets 05:02:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 64) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs, 0x6e) r6 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000e000000850000002a00000095"], &(0x7f0000000400)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) r7 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='sched_switch\x00', r6}, 0x10) (async) r8 = getpid() (async) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r9, &(0x7f0000d84000)={0xa, 0x2, 0x0, @loopback}, 0x1c) sendto$inet6(r9, &(0x7f00000000c0)="044aac2f202c5feda71e039a57a93088fdcce4afe28aac61837792741a190670ccbe1a2b00aa77a87d56a3f12c7920ad02928a5d1014e5b896f000fcf6521928480be9af82613a5c661f4110adba358afd8b5b4ef1702051e393ede2698112a1f1bdf1d0f568546ed322ab4c53545bd2cd6e48522f0c154cb3c6864dc30ae921db100f1ee97a234503338f8fdf356472da0c7ab62f274f34", 0xadf29f33fb903ae1, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x2}, 0x1c) (async) recvmsg(r9, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000040)=""/50, 0xfffffe72}, {&(0x7f0000000240)=""/52, 0x34}, {&(0x7f0000000780)=""/129, 0x80}, {&(0x7f0000000300)=""/68, 0x44}, {&(0x7f0000000380)=""/121, 0x79}, {&(0x7f0000000400)=""/183, 0xb7}], 0x6}, 0x40000110) (async) r10 = bpf$BPF_LINK_CREATE_XDP(0x1c, 0x0, 0x0) (async, rerun: 64) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f00000009c0)=0xc) (rerun: 64) sendmmsg$unix(r5, &(0x7f0000001d00)=[{{&(0x7f0000000280)=@abs={0x0, 0x0, 0x4e22}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40}}, {{0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000640)="7da568cdaad1046685775083a403d48ac88bf6bb03496f77c9e28514fe51796aa1d7b74a73bb38ea740fe493d94fa2877188a696bc43001ad4da3e4b447fb99e59c12ff6fac392cabcc5a46cd7d13b5bfb48f97cc1d6c77a5ee49a9620c4259fd965c7d1d14e96002291d4f1", 0x6c}], 0x1, &(0x7f0000000a80)=ANY=[@ANYBLOB="1c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="0000001820000000000100000000000001000000f325e43ce4d954529d33a192105dec29ce885a511118ff11285bc843", @ANYRES32=r9, @ANYRES32, @ANYRES32=r6, @ANYRES32=r5, @ANYBLOB="1c000000000000000100000001000000", @ANYRES32=r7, @ANYRES32=r10, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=r8, @ANYRES32=r11, @ANYRES32=r12, @ANYBLOB="000000002400000000000000010000000100", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0xc8, 0x2000089c}}, {{&(0x7f0000000a00)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000000e40)=[{&(0x7f0000000c40)="f61bcb81fcb1ffeab739cf6082990ee646b0d8ca1e1bac8601a926b6234cafe80472547aafd5f297e0d1f14bed5ede075d1d6d8fedbc868f21a91b9f6693b4ee5e4f2a", 0x43}, {&(0x7f0000000a80)}, {&(0x7f0000000d00)="6a3cbd1828abb2b3a7e952a1ca472f9897934879564ab969bc8856410831a6c82228b78d78de66cdfcbe6c2e3425e7bdc26d67c4f138e376b8396526043a6de28b8876006afc2bbb5588d742ecddf0a035391c29b69358c00a159740276dcb83429ab392ca80ee9c3ddb1e1a952a0a095364c4313b2100a60f4a14b888a09695d83c687f4f0eeb", 0x87}, {&(0x7f0000000dc0)="d9960f065371e45d5780580ca3458a66f3f4a7e21356a06e6a24817811035cb5e382c9e9986e2d0964b675eb15f9d2c0072921658278c5953be6b9bdac", 0x3d}], 0x4, &(0x7f0000001080)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=r11, @ANYRES32=0x0, @ANYBLOB="0000000030000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r7, @ANYBLOB="5c1bc8cc36391ffdec727466", @ANYRES32, @ANYRES32=r5, @ANYBLOB="1c000001000000001f00000000000000aaeb1a5799518a29e21e21cffa3c21fa3b67a44ee6e4700e3994ebf787ad8de66870f14a27399f456d3c5eafab529dc2366790b9ca2a7a094ecc189a53d189dd4ab6", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r6, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r9, @ANYBLOB="000000001c0000000000000001db18463401e8cc", @ANYRES32=0xee01, @ANYRES32=r12, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xe0, 0x48840}}, {{&(0x7f0000001740)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000001880)=[{&(0x7f00000017c0)="8f0c573501a6e7432141a7f8250ff18ab05dc9afcc3accafb1bd97a6078215e0dba461f40cbeea1abbecade7f5461bf35e6b2c94040ba89f7bd48c9328e2653b1400e83424c119deaca44e4f7e642be562902d64231cbf89551068ab5bc579847be35ac617d8522067dad8ab8cd52a1214aab88122278de6f62397d8171f2f1ad744d6b0dc10454c585b6ad46cbe35adf170a3a1138812acbc00867b7abeb0bc7d124e5e61227d08295b1b44272546a2d2311ad6", 0xb4}], 0x1, 0x0, 0x0, 0x42890}}, {{&(0x7f0000001a40)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001cc0)=[{&(0x7f0000000e80)="8ba1a391bb65dbbb5b12d94b71234ea8c87b2d660059626bc615bd51a255fc7e4399da25f2608bdfbcf975c3c0e50815096abba3169304179efc649ca5a9994b61fa79580dba66090271740fb486b467644515200a4447c79d22ea1a6e269ec50a5c8d9ecbc7be56dc0a3070b6bcc09d9776fca94616b88e122980402930616d53cb", 0x82}, {&(0x7f0000001b80)="b30fcb8aff146e8ac10fd9b7c72c15f512bc5cf779e4b419be2306832c1fe7a301451798a30d2b8796f4f9be34de3395aad9783f146adb85764e6eef14df59f6ebf237e4fb79dddb247effed77236aae5afc5ac99eae3ba628de", 0x5a}, {&(0x7f0000001c40)="b26ff8678b981082a23308a6765deb5f231b21faaf53b5953a7233e5406ae8b435c944e22d9812cb68b7d028bbef85665a6a6fa274bcb3740bd4a0c989301000c46d216e9a1dc4a39004396db61f7cd76cb70474ac4fee625b75a32c6a4850e48604dc291661", 0x66}], 0x3, 0x0, 0x0, 0x24000810}}], 0x5, 0x810) (async, rerun: 64) quotactl_fd$Q_QUOTAOFF(r3, 0xffffffff80000301, r11, 0x0) (async, rerun: 64) r13 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r13, 0xab04) [ 2008.925275][ T7067] block nbd0: Device being setup by another task [ 2008.940006][ T7067] block nbd0: shutting down sockets 05:02:25 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2008.978582][ T7072] block nbd2: shutting down sockets 05:02:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x14202) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2009.175888][ T7078] block nbd0: server does not support multiple connections per device. [ 2009.191585][ T7080] block nbd2: shutting down sockets [ 2009.202480][ T7078] block nbd0: shutting down sockets [ 2009.303013][T28712] block nbd1: Disconnected due to user request. [ 2009.311222][ T6939] block nbd3: Receive control failed (result -32) [ 2009.329052][ T7048] block nbd3: shutting down sockets [ 2009.401415][ T7083] block nbd0: shutting down sockets [ 2009.915231][ T94] block nbd4: Possible stuck request ffff88801d6e8800: control (read@0,4096B). Runtime 0 seconds [ 2011.283546][ T94] block nbd4: Possible stuck request ffff88801d6e8800: control (read@0,4096B). Runtime 0 seconds [ 2011.502329][ T7055] block nbd4: shutting down sockets [ 2011.508150][ C0] blk_print_req_error: 276 callbacks suppressed [ 2011.508161][ C0] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.523500][ C0] buffer_io_error: 276 callbacks suppressed [ 2011.523515][ C0] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.537578][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.547293][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.554018][ T7056] block nbd5: shutting down sockets [ 2011.558393][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.575004][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.584181][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.585806][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.593275][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2011.602809][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.618164][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.627279][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.633806][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.635282][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.635313][ T94] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2011.644319][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2011.669940][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.679828][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2011.686138][ T94] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2011.689196][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2011.697098][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2011.706996][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2011.722232][ T7042] Dev nbd4: unable to read RDB block 0 [ 2011.723399][ T7240] Dev nbd5: unable to read RDB block 0 [ 2011.729845][ T7042] nbd4: unable to read partition table [ 2011.734064][ T7240] nbd5: unable to read partition table [ 2011.748784][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2011.756100][ T7240] Dev nbd5: unable to read RDB block 0 [ 2011.762275][ T7240] nbd5: unable to read partition table 05:02:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x125e) 05:02:28 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:02:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x5421) 05:02:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1263) 05:02:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x14202) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) (async, rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x301) [ 2011.843930][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2011.885508][ T7042] Dev nbd4: unable to read RDB block 0 [ 2011.916192][ T7042] nbd4: unable to read partition table [ 2011.932529][ T7094] ldm_validate_partition_table(): Disk read failed. [ 2011.947789][ T7094] Dev nbd4: unable to read RDB block 0 [ 2011.953865][ T7094] nbd4: unable to read partition table [ 2011.964196][ T7092] nbd5: detected capacity change from 0 to 2050 [ 2011.976477][ T7093] block nbd1: NBD_DISCONNECT [ 2011.986096][ T7098] ldm_validate_partition_table(): Disk read failed. [ 2012.003825][ T7098] Dev nbd4: unable to read RDB block 0 [ 2012.010744][ T7098] nbd4: unable to read partition table [ 2012.015405][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.021845][ T7100] block nbd2: shutting down sockets [ 2012.032709][ T7094] ldm_validate_partition_table(): Disk read failed. [ 2012.041860][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.050923][ T7094] Dev nbd4: unable to read RDB block 0 [ 2012.058020][ T7097] block nbd0: shutting down sockets [ 2012.066154][ T7094] nbd4: unable to read partition table 05:02:29 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2012.083553][ T7098] ldm_validate_partition_table(): Disk read failed. [ 2012.091169][ T7098] Dev nbd4: unable to read RDB block 0 [ 2012.098932][ T7098] nbd4: unable to read partition table [ 2012.146372][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.165235][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.165621][ T7094] block nbd4: Device being setup by another task [ 2012.173913][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.192641][ T7098] ldm_validate_partition_table(): Disk read failed. [ 2012.211082][ T7098] Dev nbd4: unable to read RDB block 0 [ 2012.218917][ T7098] nbd4: unable to read partition table [ 2012.253164][ T7105] block nbd2: shutting down sockets [ 2012.265870][ T7096] block nbd0: server does not support multiple connections per device. 05:02:29 executing program 2: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x401) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 05:02:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x125f) [ 2012.294351][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.413561][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.425417][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.437238][ T7109] nbd4: detected capacity change from 0 to 2050 [ 2012.493183][ T7110] block nbd2: shutting down sockets 05:02:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2012.516831][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.527309][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.595099][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.666444][ T94] block nbd4: Possible stuck request ffff88801d6e6600: control (read@0,4096B). Runtime 0 seconds [ 2012.675440][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.686396][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.706179][ T7113] block nbd2: shutting down sockets 05:02:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1264) [ 2012.713037][ T6939] block nbd3: Receive control failed (result -32) [ 2012.725415][ T7088] block nbd3: shutting down sockets [ 2012.731555][ T7093] block nbd1: Disconnected due to user request. [ 2012.738120][ T7096] block nbd0: server does not support multiple connections per device. [ 2012.754660][ T7093] block nbd1: shutting down sockets 05:02:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x14202) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x5450) 05:02:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2012.947510][ T7123] block nbd1: NBD_DISCONNECT [ 2012.954345][ T7122] block nbd0: shutting down sockets [ 2013.000119][ T7125] block nbd2: shutting down sockets 05:02:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async, rerun: 64) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 64) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2013.177564][ T7131] block nbd0: shutting down sockets [ 2013.223927][ T7132] block nbd2: shutting down sockets [ 2013.652138][T28712] block nbd3: Receive control failed (result -32) [ 2013.666849][ T7116] block nbd3: shutting down sockets [ 2013.735910][ T5111] block nbd1: Disconnected due to user request. [ 2013.997309][ T94] block nbd4: Possible stuck request ffff88801d6e6600: control (read@0,4096B). Runtime 0 seconds [ 2014.101748][ T5102] block nbd0: Receive control failed (result -32) [ 2014.103574][ T7134] block nbd0: shutting down sockets [ 2014.893852][ T7092] block nbd5: shutting down sockets [ 2014.904015][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2014.912091][ T7240] Dev nbd5: unable to read RDB block 0 [ 2014.919806][ T7240] nbd5: unable to read partition table 05:02:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x125d) 05:02:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x5451) [ 2014.939427][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2014.949055][ T7240] Dev nbd5: unable to read RDB block 0 [ 2014.955072][ T7240] nbd5: unable to read partition table [ 2015.052606][ T7140] block nbd1: NBD_DISCONNECT [ 2015.058143][ T7139] nbd2: detected capacity change from 0 to 2050 [ 2015.077614][ T7142] nbd5: detected capacity change from 0 to 2050 [ 2015.359469][ T94] block nbd4: Possible stuck request ffff88801d6e6600: control (read@0,4096B). Runtime 0 seconds [ 2015.370654][ T7109] block nbd4: shutting down sockets [ 2015.385182][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2015.392480][ T6899] Dev nbd4: unable to read RDB block 0 [ 2015.398875][ T6899] nbd4: unable to read partition table 05:02:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1265) 05:02:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 05:02:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1260) [ 2015.409842][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2015.417240][ T6899] Dev nbd4: unable to read RDB block 0 [ 2015.423534][ T6899] nbd4: unable to read partition table [ 2015.583865][ T7151] nbd4: detected capacity change from 0 to 2050 [ 2015.595809][ T7152] block nbd0: shutting down sockets 05:02:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$NBD_DO_IT(r1, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_netfilter(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x7, 0x9, 0x101, 0x70bd25, 0x25dfdbfb, {0x2, 0x0, 0x8}, [@nested={0x10, 0x30, 0x0, 0x1, [@typed={0x4, 0x96}, @typed={0x7, 0x43, 0x0, 0x0, @str='%(\x00'}]}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x80) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x648500) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x70040) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000000)={r3, r1}) 05:02:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$NBD_DO_IT(r1, 0xab03) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 32) sendmsg$nl_netfilter(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x7, 0x9, 0x101, 0x70bd25, 0x25dfdbfb, {0x2, 0x0, 0x8}, [@nested={0x10, 0x30, 0x0, 0x1, [@typed={0x4, 0x96}, @typed={0x7, 0x43, 0x0, 0x0, @str='%(\x00'}]}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x80) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async, rerun: 64) r4 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x648500) (async, rerun: 64) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async, rerun: 32) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x70040) (rerun: 32) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000000)={r3, r1}) [ 2015.766718][ T7158] block nbd0: shutting down sockets 05:02:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x5452) [ 2015.844340][ T5102] block nbd1: Disconnected due to user request. [ 2015.936775][ T7164] block nbd1: NBD_DISCONNECT [ 2015.975746][ T7160] block nbd0: shutting down sockets 05:02:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$NBD_DO_IT(r1, 0xab03) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 32) sendmsg$nl_netfilter(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, 0x7, 0x9, 0x101, 0x70bd25, 0x25dfdbfb, {0x2, 0x0, 0x8}, [@nested={0x10, 0x30, 0x0, 0x1, [@typed={0x4, 0x96}, @typed={0x7, 0x43, 0x0, 0x0, @str='%(\x00'}]}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x80) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) r4 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x648500) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x70040) (async, rerun: 32) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000000)={r3, r1}) (rerun: 32) [ 2016.125355][ T7168] block nbd0: shutting down sockets 05:02:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0xfffffffffffffffa) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:02:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0xfffffffffffffffa) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0xfffffffffffffffa) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) [ 2016.313603][ T7173] block nbd0: shutting down sockets [ 2016.327581][T28712] block nbd3: Receive control failed (result -32) [ 2016.336106][ T7149] block nbd3: shutting down sockets [ 2016.501383][ T7176] block nbd0: shutting down sockets [ 2016.727065][ T94] block nbd4: Possible stuck request ffff88801d6ef600: control (read@0,4096B). Runtime 0 seconds [ 2016.738950][ T7164] block nbd1: Disconnected due to user request. [ 2016.747983][ T7164] block nbd1: shutting down sockets [ 2017.993898][ T7139] block nbd2: shutting down sockets [ 2018.000003][ C1] blk_print_req_error: 218 callbacks suppressed [ 2018.000021][ C1] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.015719][ C1] buffer_io_error: 218 callbacks suppressed [ 2018.015737][ C1] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.031281][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.042995][ T7142] block nbd5: shutting down sockets [ 2018.045028][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.056376][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.065622][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.065914][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.073668][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.082416][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2018.099399][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.100076][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.109142][ T94] block nbd4: Possible stuck request ffff88801d6ef600: control (read@0,4096B). Runtime 0 seconds [ 2018.116928][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.127501][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2018.137268][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.144870][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.155212][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.161881][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2018.170642][T32633] Buffer I/O error on dev nbd2, logical block 0, async page read [ 2018.170873][T32633] I/O error, dev nbd2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2018.180364][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2018.186423][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2018.198733][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2018.203710][ T7240] Dev nbd2: unable to read RDB block 0 [ 2018.222960][ T7240] nbd2: unable to read partition table [ 2018.227644][ T7042] Dev nbd5: unable to read RDB block 0 [ 2018.236407][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2018.246019][ T7240] Dev nbd2: unable to read RDB block 0 [ 2018.252324][ T7240] nbd2: unable to read partition table [ 2018.256115][ T7042] nbd5: unable to read partition table [ 2018.277028][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2018.284313][ T7042] Dev nbd5: unable to read RDB block 0 05:02:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0xfffffffffffffffa) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:02:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1267) 05:02:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x5460) 05:02:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x125e) [ 2018.299941][ T7042] nbd5: unable to read partition table [ 2018.410524][ T7183] nbd2: detected capacity change from 0 to 2050 [ 2018.447984][ T7186] block nbd1: NBD_DISCONNECT [ 2018.478519][ T7188] block nbd0: shutting down sockets [ 2018.496975][ T7189] nbd5: detected capacity change from 0 to 2050 [ 2018.519290][ T7151] block nbd4: shutting down sockets [ 2018.539414][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2018.556377][ T6899] Dev nbd4: unable to read RDB block 0 05:02:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1261) 05:02:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2018.571931][ T6899] nbd4: unable to read partition table [ 2018.594042][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2018.601377][ T6899] Dev nbd4: unable to read RDB block 0 [ 2018.607803][ T6899] nbd4: unable to read partition table [ 2018.742286][ T7197] nbd4: detected capacity change from 0 to 2050 05:02:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2018.798356][ T7195] block nbd0: server does not support multiple connections per device. [ 2018.809463][ T7195] block nbd0: shutting down sockets [ 2018.955041][ T7201] block nbd0: Device being setup by another task 05:02:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$NBD_DISCONNECT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) ioctl$NBD_DISCONNECT(r4, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) [ 2018.995236][ T7202] block nbd0: Device being setup by another task [ 2019.014357][ T7200] block nbd0: shutting down sockets 05:02:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x8933) [ 2019.198908][ T7206] block nbd0: server does not support multiple connections per device. [ 2019.198942][ T5111] block nbd3: Receive control failed (result -32) [ 2019.208002][ T7206] block nbd0: shutting down sockets [ 2019.223009][T28712] block nbd1: Disconnected due to user request. [ 2019.233214][ T7181] block nbd3: shutting down sockets 05:02:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1268) 05:02:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) socketpair(0x5, 0x4, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_netfilter(r4, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x3ec, 0xf, 0x8, 0xc00, 0x70bd25, 0x25dfdbfc, {0x0, 0x0, 0x1}, [@nested={0x1b8, 0x78, 0x0, 0x1, [@generic="30afa685bc2798eb6f2c54bbb34c921ce34c1d8af97f342c783fcb864d4232ab9d8d83e145842e623624fb82a0b3f6361f8f1c6790ec63ef945ead8ff28b3ebcd5bd1abad3d4c5718858c86a49d4264603ab20c825cba9f52c597398bf1d07b60a86b5e86539d8ae561efddb020b6584c52ca9e19c95890e4db283ea1da90cc75d2654c5e0345b950fcdc1526bb302d53dac0b95bcf773594f3524a6c38d3755fff86794e67538710bd5206e682a6a31599328a102187b0b8fac92780b39b508fd3b7b00f8b96337274fb81cf8f7cfcf2a3149089d6ff5d876561c19741475738147d3056bc61522", @typed={0xc, 0x17, 0x0, 0x0, @u64=0x5}, @generic="5e4da5e489c460806cdc2f1bd3c5f355e5ef001ad7cf6d83b589f6496f109f9b47f50dedb40c1870d7bded934832993f84692e77d8853b2d0206c360b4353867ea343b06314cbd818a37c779722b9014f2ceffa99f9f9aba835af90bfffbf6c843c2d6a07cef981e114decaf046dbc232bf9c18d1d77086b19edeb213dab21f7800485e25b4fad4c8132d796bb14efedec3708829ebd1d0b0a014d46642474bb0ec183348cfc96b2", @typed={0x8, 0x56, 0x0, 0x0, @ipv4=@multicast1}, @typed={0xe, 0x86, 0x0, 0x0, @str='/dev/nbd#\x00'}]}, @typed={0x8, 0x78, 0x0, 0x0, @fd=r3}, @nested={0xa4, 0x83, 0x0, 0x1, [@typed={0x4, 0x4c}, @typed={0x99, 0x54, 0x0, 0x0, @binary="7f7ed087714eab68588bf62d078df8338f14e5d4b21920ddfcc3e0a291f43c2412afaf8e237c13c3b9db872a1190cf61149198f83818d10e075a7b6e44753acb158f66de9c7db3e1162c2eabe73603b414313e2a7edd3252ab6264077e9cfcab95ea7ad48ace0d6e2792cf4e413f408292f76e274b83f60f69bd5f3cb5a80bcd20dc7dad87a9783cf438ba048b4d5f711a8473d01d"}]}, @generic="121e3a864f739c7ddec3463e747a37c5ddd612b7ed7c3c265796a97a8fa7b67ba561478dd135ae0a2aa93e38ad964138de13c6c0119cd9ee1925c3a934d35e1d3b33235989113136d33f1a5a6e46fd48ec9a9b8c443c01c31dbeec2acfaf2b4665f8818d3072255745d5d52a3417c074d7f5cdf08aa6a7e0b7d6d38ae48a56a98f10af9aa391662a24599304c11b1e92ecf68749d7ff4740750b928806b8731a2d3f57ec08ef14518ce5847bdbc24149e000e037", @generic="c696c1eaf83f51b288dd88da8019e689cc8317dc6fc2e4745acb187f5bdecfb97ace2845f7ff5303ca3689f2a3960a6f4091e4c375d5cf1373959e155275bd31f0d7f0157a74e7069210c02650bcdbbb52b527e8c8d6fb6a017b8b91", @generic="656a7d8862e6d92efe91bfe8d60eaeb6c0fffdf8129812aeb904675566b54af461a8ccb8c6b54019b02e24005172e2091dde73fb801357815590f4d2ee374877fd693f56ddd7787950ff9633ffbf00004bc346514be8c0822fc1e4fd9d5ec8a2ddb18d"]}, 0x3ec}, 0x1, 0x0, 0x0, 0x8000}, 0x850) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2019.325283][ T7206] block nbd0: Device being setup by another task [ 2019.346312][ T7211] block nbd1: NBD_DISCONNECT [ 2019.355885][ T7207] block nbd0: Device being setup by another task [ 2019.445270][T31661] block nbd4: Possible stuck request ffff88801d6ec000: control (read@0,4096B). Runtime 0 seconds 05:02:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) socketpair(0x5, 0x4, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_netfilter(r4, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x3ec, 0xf, 0x8, 0xc00, 0x70bd25, 0x25dfdbfc, {0x0, 0x0, 0x1}, [@nested={0x1b8, 0x78, 0x0, 0x1, [@generic="30afa685bc2798eb6f2c54bbb34c921ce34c1d8af97f342c783fcb864d4232ab9d8d83e145842e623624fb82a0b3f6361f8f1c6790ec63ef945ead8ff28b3ebcd5bd1abad3d4c5718858c86a49d4264603ab20c825cba9f52c597398bf1d07b60a86b5e86539d8ae561efddb020b6584c52ca9e19c95890e4db283ea1da90cc75d2654c5e0345b950fcdc1526bb302d53dac0b95bcf773594f3524a6c38d3755fff86794e67538710bd5206e682a6a31599328a102187b0b8fac92780b39b508fd3b7b00f8b96337274fb81cf8f7cfcf2a3149089d6ff5d876561c19741475738147d3056bc61522", @typed={0xc, 0x17, 0x0, 0x0, @u64=0x5}, @generic="5e4da5e489c460806cdc2f1bd3c5f355e5ef001ad7cf6d83b589f6496f109f9b47f50dedb40c1870d7bded934832993f84692e77d8853b2d0206c360b4353867ea343b06314cbd818a37c779722b9014f2ceffa99f9f9aba835af90bfffbf6c843c2d6a07cef981e114decaf046dbc232bf9c18d1d77086b19edeb213dab21f7800485e25b4fad4c8132d796bb14efedec3708829ebd1d0b0a014d46642474bb0ec183348cfc96b2", @typed={0x8, 0x56, 0x0, 0x0, @ipv4=@multicast1}, @typed={0xe, 0x86, 0x0, 0x0, @str='/dev/nbd#\x00'}]}, @typed={0x8, 0x78, 0x0, 0x0, @fd=r3}, @nested={0xa4, 0x83, 0x0, 0x1, [@typed={0x4, 0x4c}, @typed={0x99, 0x54, 0x0, 0x0, @binary="7f7ed087714eab68588bf62d078df8338f14e5d4b21920ddfcc3e0a291f43c2412afaf8e237c13c3b9db872a1190cf61149198f83818d10e075a7b6e44753acb158f66de9c7db3e1162c2eabe73603b414313e2a7edd3252ab6264077e9cfcab95ea7ad48ace0d6e2792cf4e413f408292f76e274b83f60f69bd5f3cb5a80bcd20dc7dad87a9783cf438ba048b4d5f711a8473d01d"}]}, @generic="121e3a864f739c7ddec3463e747a37c5ddd612b7ed7c3c265796a97a8fa7b67ba561478dd135ae0a2aa93e38ad964138de13c6c0119cd9ee1925c3a934d35e1d3b33235989113136d33f1a5a6e46fd48ec9a9b8c443c01c31dbeec2acfaf2b4665f8818d3072255745d5d52a3417c074d7f5cdf08aa6a7e0b7d6d38ae48a56a98f10af9aa391662a24599304c11b1e92ecf68749d7ff4740750b928806b8731a2d3f57ec08ef14518ce5847bdbc24149e000e037", @generic="c696c1eaf83f51b288dd88da8019e689cc8317dc6fc2e4745acb187f5bdecfb97ace2845f7ff5303ca3689f2a3960a6f4091e4c375d5cf1373959e155275bd31f0d7f0157a74e7069210c02650bcdbbb52b527e8c8d6fb6a017b8b91", @generic="656a7d8862e6d92efe91bfe8d60eaeb6c0fffdf8129812aeb904675566b54af461a8ccb8c6b54019b02e24005172e2091dde73fb801357815590f4d2ee374877fd693f56ddd7787950ff9633ffbf00004bc346514be8c0822fc1e4fd9d5ec8a2ddb18d"]}, 0x3ec}, 0x1, 0x0, 0x0, 0x8000}, 0x850) (async) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2019.562242][ T7218] block nbd0: shutting down sockets [ 2019.681937][ T7223] block nbd0: shutting down sockets 05:02:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) socketpair(0x5, 0x4, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_netfilter(r4, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x3ec, 0xf, 0x8, 0xc00, 0x70bd25, 0x25dfdbfc, {0x0, 0x0, 0x1}, [@nested={0x1b8, 0x78, 0x0, 0x1, [@generic="30afa685bc2798eb6f2c54bbb34c921ce34c1d8af97f342c783fcb864d4232ab9d8d83e145842e623624fb82a0b3f6361f8f1c6790ec63ef945ead8ff28b3ebcd5bd1abad3d4c5718858c86a49d4264603ab20c825cba9f52c597398bf1d07b60a86b5e86539d8ae561efddb020b6584c52ca9e19c95890e4db283ea1da90cc75d2654c5e0345b950fcdc1526bb302d53dac0b95bcf773594f3524a6c38d3755fff86794e67538710bd5206e682a6a31599328a102187b0b8fac92780b39b508fd3b7b00f8b96337274fb81cf8f7cfcf2a3149089d6ff5d876561c19741475738147d3056bc61522", @typed={0xc, 0x17, 0x0, 0x0, @u64=0x5}, @generic="5e4da5e489c460806cdc2f1bd3c5f355e5ef001ad7cf6d83b589f6496f109f9b47f50dedb40c1870d7bded934832993f84692e77d8853b2d0206c360b4353867ea343b06314cbd818a37c779722b9014f2ceffa99f9f9aba835af90bfffbf6c843c2d6a07cef981e114decaf046dbc232bf9c18d1d77086b19edeb213dab21f7800485e25b4fad4c8132d796bb14efedec3708829ebd1d0b0a014d46642474bb0ec183348cfc96b2", @typed={0x8, 0x56, 0x0, 0x0, @ipv4=@multicast1}, @typed={0xe, 0x86, 0x0, 0x0, @str='/dev/nbd#\x00'}]}, @typed={0x8, 0x78, 0x0, 0x0, @fd=r3}, @nested={0xa4, 0x83, 0x0, 0x1, [@typed={0x4, 0x4c}, @typed={0x99, 0x54, 0x0, 0x0, @binary="7f7ed087714eab68588bf62d078df8338f14e5d4b21920ddfcc3e0a291f43c2412afaf8e237c13c3b9db872a1190cf61149198f83818d10e075a7b6e44753acb158f66de9c7db3e1162c2eabe73603b414313e2a7edd3252ab6264077e9cfcab95ea7ad48ace0d6e2792cf4e413f408292f76e274b83f60f69bd5f3cb5a80bcd20dc7dad87a9783cf438ba048b4d5f711a8473d01d"}]}, @generic="121e3a864f739c7ddec3463e747a37c5ddd612b7ed7c3c265796a97a8fa7b67ba561478dd135ae0a2aa93e38ad964138de13c6c0119cd9ee1925c3a934d35e1d3b33235989113136d33f1a5a6e46fd48ec9a9b8c443c01c31dbeec2acfaf2b4665f8818d3072255745d5d52a3417c074d7f5cdf08aa6a7e0b7d6d38ae48a56a98f10af9aa391662a24599304c11b1e92ecf68749d7ff4740750b928806b8731a2d3f57ec08ef14518ce5847bdbc24149e000e037", @generic="c696c1eaf83f51b288dd88da8019e689cc8317dc6fc2e4745acb187f5bdecfb97ace2845f7ff5303ca3689f2a3960a6f4091e4c375d5cf1373959e155275bd31f0d7f0157a74e7069210c02650bcdbbb52b527e8c8d6fb6a017b8b91", @generic="656a7d8862e6d92efe91bfe8d60eaeb6c0fffdf8129812aeb904675566b54af461a8ccb8c6b54019b02e24005172e2091dde73fb801357815590f4d2ee374877fd693f56ddd7787950ff9633ffbf00004bc346514be8c0822fc1e4fd9d5ec8a2ddb18d"]}, 0x3ec}, 0x1, 0x0, 0x0, 0x8000}, 0x850) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 05:02:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x501400, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2019.839322][ T7227] block nbd0: shutting down sockets [ 2020.017722][ T7232] block nbd0: shutting down sockets [ 2020.126990][T28712] block nbd1: Disconnected due to user request. [ 2020.159488][ T5111] block nbd3: Receive control failed (result -32) [ 2020.169867][ T7213] block nbd3: shutting down sockets [ 2020.800350][T31661] block nbd4: Possible stuck request ffff88801d6ec000: control (read@0,4096B). Runtime 0 seconds [ 2021.334767][ T7183] block nbd2: shutting down sockets [ 2021.350240][T10977] ldm_validate_partition_table(): Disk read failed. [ 2021.358240][T10977] Dev nbd2: unable to read RDB block 0 [ 2021.364579][T10977] nbd2: unable to read partition table [ 2021.383808][T10977] ldm_validate_partition_table(): Disk read failed. [ 2021.391598][T10977] Dev nbd2: unable to read RDB block 0 [ 2021.403569][T10977] nbd2: unable to read partition table [ 2021.418580][ T7189] block nbd5: shutting down sockets [ 2021.431897][ T7240] ldm_validate_partition_table(): Disk read failed. 05:02:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x125f) [ 2021.461446][ T7240] Dev nbd5: unable to read RDB block 0 [ 2021.477001][ T7240] nbd5: unable to read partition table [ 2021.491767][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2021.499576][ T7240] Dev nbd5: unable to read RDB block 0 [ 2021.506175][ T7240] nbd5: unable to read partition table 05:02:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x501400, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2021.637255][ T7238] nbd5: detected capacity change from 0 to 2050 [ 2021.683546][ T7197] block nbd4: shutting down sockets [ 2021.700045][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2021.707915][ T7042] Dev nbd4: unable to read RDB block 0 [ 2021.719087][ T7042] nbd4: unable to read partition table 05:02:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1269) 05:02:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab00) 05:02:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1262) 05:02:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x501400, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2021.740869][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2021.748896][ T7042] Dev nbd4: unable to read RDB block 0 [ 2021.755223][ T7042] nbd4: unable to read partition table 05:02:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1e0c0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) [ 2021.922288][ T7245] block nbd0: shutting down sockets [ 2021.930217][ T7251] nbd4: detected capacity change from 0 to 2050 [ 2021.937444][ T7247] nbd2: detected capacity change from 0 to 2050 [ 2021.946308][ T7246] block nbd1: NBD_DISCONNECT [ 2022.159671][T31661] block nbd4: Possible stuck request ffff88801d6eda00: control (read@0,4096B). Runtime 0 seconds 05:02:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab01) 05:02:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1274) [ 2022.662018][ T6939] block nbd3: Receive control failed (result -32) [ 2022.676885][T28712] block nbd1: Disconnected due to user request. [ 2022.684077][ T7248] block nbd3: shutting down sockets [ 2022.797416][ T7263] block nbd1: NBD_DISCONNECT 05:02:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1e0c0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) [ 2022.849488][T27985] block nbd0: Receive control failed (result -32) [ 2022.860344][ T7258] block nbd0: shutting down sockets [ 2022.995015][ T7268] block nbd0: Device being setup by another task [ 2023.515235][T31661] block nbd4: Possible stuck request ffff88801d6eda00: control (read@0,4096B). Runtime 0 seconds 05:02:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab02) [ 2023.592908][T28712] block nbd3: Receive control failed (result -32) [ 2023.597230][ T6939] block nbd1: Disconnected due to user request. [ 2023.607351][ T7262] block nbd3: shutting down sockets [ 2023.716050][ T7272] block nbd1: NBD_DISCONNECT [ 2023.754666][T27985] block nbd0: Receive control failed (result -32) [ 2023.761287][ T7267] block nbd0: shutting down sockets [ 2024.506969][ T6939] block nbd1: Disconnected due to user request. [ 2024.579087][ T7238] block nbd5: shutting down sockets [ 2024.584504][ C0] blk_print_req_error: 212 callbacks suppressed [ 2024.584521][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.599866][ C0] buffer_io_error: 212 callbacks suppressed [ 2024.599880][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.614110][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.625257][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.633139][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.643234][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.651472][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.660580][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.668604][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.678004][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.686025][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.696362][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.704265][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.713552][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.721633][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.730825][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.738629][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2024.748536][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.757643][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.765809][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2024.774896][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2024.782957][ T7240] Dev nbd5: unable to read RDB block 0 [ 2024.794550][ T7240] nbd5: unable to read partition table [ 2024.804751][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2024.812206][ T7240] Dev nbd5: unable to read RDB block 0 [ 2024.818534][ T7240] nbd5: unable to read partition table 05:02:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1260) 05:02:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1276) 05:02:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1e0c0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) 05:02:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab03) [ 2024.829287][ T7247] block nbd2: shutting down sockets [ 2024.863896][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2024.870876][ T7251] block nbd4: shutting down sockets [ 2024.879247][T31661] block nbd4: Possible stuck request ffff88801d6eda00: control (read@0,4096B). Runtime 0 seconds [ 2024.925566][ T6924] Dev nbd2: unable to read RDB block 0 [ 2024.931780][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2024.946318][ T6924] nbd2: unable to read partition table [ 2024.955826][ T7042] Dev nbd4: unable to read RDB block 0 05:02:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1263) [ 2024.975836][ T7042] nbd4: unable to read partition table [ 2025.045817][ T7279] block nbd1: NBD_DISCONNECT [ 2025.053101][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2025.057322][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2025.067638][ T6924] Dev nbd2: unable to read RDB block 0 [ 2025.075966][ T6924] nbd2: unable to read partition table [ 2025.095787][ T7042] Dev nbd4: unable to read RDB block 0 [ 2025.124358][ T7042] nbd4: unable to read partition table [ 2025.137879][ T7284] nbd5: detected capacity change from 0 to 2050 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2025.228398][ T7287] nbd4: detected capacity change from 0 to 2050 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2025.719078][T27923] block nbd3: Receive control failed (result -32) [ 2025.736556][ T7275] block nbd3: shutting down sockets [ 2025.757462][ T5111] block nbd0: Receive control failed (result -32) [ 2025.757775][ T7281] block nbd0: shutting down sockets [ 2025.781250][ T5102] block nbd1: Disconnected due to user request. [ 2026.246496][T31661] block nbd4: Possible stuck request ffff88801d6eec00: control (read@0,4096B). Runtime 0 seconds [ 2027.595219][T31661] block nbd4: Possible stuck request ffff88801d6eec00: control (read@0,4096B). Runtime 0 seconds [ 2028.008936][ T7284] block nbd5: shutting down sockets [ 2028.024984][ T6922] ldm_validate_partition_table(): Disk read failed. [ 2028.032003][ T6922] Dev nbd5: unable to read RDB block 0 [ 2028.039504][ T6922] nbd5: unable to read partition table [ 2028.050382][ T6922] ldm_validate_partition_table(): Disk read failed. 05:02:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1261) 05:02:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1277) 05:02:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab04) 05:02:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x90002) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2028.057869][ T6922] Dev nbd5: unable to read RDB block 0 [ 2028.063839][ T6922] nbd5: unable to read partition table [ 2028.115256][ T7287] block nbd4: shutting down sockets 05:02:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1264) [ 2028.175137][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2028.195912][ T7240] Dev nbd4: unable to read RDB block 0 [ 2028.203310][ T7240] nbd4: unable to read partition table 05:02:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2028.237529][ T7310] nbd5: detected capacity change from 0 to 2050 [ 2028.240737][ T7313] block nbd1: NBD_DISCONNECT [ 2028.250514][ T7240] ldm_validate_partition_table(): Disk read failed. 05:02:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2028.292700][ T7240] Dev nbd4: unable to read RDB block 0 [ 2028.313728][ T7240] nbd4: unable to read partition table [ 2028.350392][ T7321] block nbd1: Disconnected due to user request. [ 2028.368044][ T7318] ldm_validate_partition_table(): Disk read failed. [ 2028.386060][ T7321] block nbd1: shutting down sockets [ 2028.392328][ T7318] Dev nbd4: unable to read RDB block 0 05:02:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab05) [ 2028.401336][ T7318] nbd4: unable to read partition table [ 2028.411307][ T7322] ldm_validate_partition_table(): Disk read failed. [ 2028.418841][ T7322] Dev nbd4: unable to read RDB block 0 [ 2028.428357][ T7322] nbd4: unable to read partition table [ 2028.472511][ T7318] ldm_validate_partition_table(): Disk read failed. 05:02:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2028.529390][ T7318] Dev nbd4: unable to read RDB block 0 [ 2028.562583][ T7318] nbd4: unable to read partition table [ 2028.576549][ T7326] block nbd1: NBD_DISCONNECT 05:02:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2028.626666][ T7322] ldm_validate_partition_table(): Disk read failed. [ 2028.658523][ T7322] Dev nbd4: unable to read RDB block 0 [ 2028.668338][ T7322] nbd4: unable to read partition table [ 2028.681518][ T7318] ldm_validate_partition_table(): Disk read failed. [ 2028.691053][ T7318] Dev nbd4: unable to read RDB block 0 [ 2028.698378][ T7318] nbd4: unable to read partition table 05:02:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1265) [ 2028.867375][ T7334] nbd4: detected capacity change from 0 to 2050 [ 2028.955500][T31661] block nbd4: Possible stuck request ffff88801d6efc00: control (read@0,4096B). Runtime 0 seconds [ 2028.997951][T27985] block nbd3: Receive control failed (result -32) [ 2029.005652][ T5102] block nbd0: Receive control failed (result -32) [ 2029.006355][ T7311] block nbd0: shutting down sockets [ 2029.024385][ T7312] block nbd3: shutting down sockets [ 2029.368729][ T5111] block nbd1: Disconnected due to user request. [ 2030.320337][T31661] block nbd4: Possible stuck request ffff88801d6efc00: control (read@0,4096B). Runtime 0 seconds [ 2031.152018][ T7310] block nbd5: shutting down sockets [ 2031.157463][ C0] blk_print_req_error: 257 callbacks suppressed [ 2031.157474][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.172784][ C0] buffer_io_error: 255 callbacks suppressed [ 2031.172794][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.186668][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.196324][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.204229][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.213363][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.221398][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.230505][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.240266][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.250508][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.258744][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.267911][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.276208][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.285368][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.293272][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.302414][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.310215][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2031.317236][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2031.326439][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.334713][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 05:02:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1262) 05:02:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:48 executing program 0: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x90002) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1278) 05:02:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab06) [ 2031.346442][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2031.354613][ T7240] Dev nbd5: unable to read RDB block 0 [ 2031.362487][ T7240] nbd5: unable to read partition table [ 2031.380329][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2031.388344][ T7240] Dev nbd5: unable to read RDB block 0 [ 2031.394292][ T7240] nbd5: unable to read partition table [ 2031.526278][ T7339] block nbd1: NBD_DISCONNECT [ 2031.531767][ T7347] nbd5: detected capacity change from 0 to 2050 [ 2031.546265][ T7345] block nbd2: shutting down sockets 05:02:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2031.570142][ T7344] block nbd0: Device being setup by another task 05:02:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2031.679421][T31661] block nbd4: Possible stuck request ffff88801d6efc00: control (read@0,4096B). Runtime 0 seconds [ 2031.680837][ T7352] block nbd2: shutting down sockets [ 2031.799550][ T7334] block nbd4: shutting down sockets [ 2031.814503][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2031.824171][ T7042] Dev nbd4: unable to read RDB block 0 [ 2031.827756][ T7354] block nbd2: shutting down sockets [ 2031.831215][ T7042] nbd4: unable to read partition table 05:02:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1267) [ 2031.845831][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2031.853195][ T7042] Dev nbd4: unable to read RDB block 0 [ 2031.861021][ T7042] nbd4: unable to read partition table 05:02:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2032.015191][ T7358] nbd4: detected capacity change from 0 to 2050 [ 2032.089305][ T7360] nbd2: detected capacity change from 0 to 2050 [ 2032.140172][ T7362] block nbd2: shutting down sockets [ 2032.149416][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2032.162135][ T7240] Dev nbd2: unable to read RDB block 0 [ 2032.172360][ T7240] nbd2: unable to read partition table 05:02:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2032.188591][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2032.206202][ T7240] Dev nbd2: unable to read RDB block 0 [ 2032.233189][ T7240] nbd2: unable to read partition table [ 2032.248555][ T7364] ldm_validate_partition_table(): Disk read failed. [ 2032.269896][ T7364] Dev nbd2: unable to read RDB block 0 [ 2032.281668][ T7364] nbd2: unable to read partition table [ 2032.295681][ T5111] block nbd1: Disconnected due to user request. [ 2032.302476][ T7364] ldm_validate_partition_table(): Disk read failed. [ 2032.312190][ T7364] Dev nbd2: unable to read RDB block 0 [ 2032.315399][T27985] block nbd0: Receive control failed (result -32) [ 2032.318571][ T7349] block nbd0: shutting down sockets 05:02:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab07) [ 2032.339097][ T5102] block nbd3: Receive control failed (result -32) [ 2032.347599][ T7346] block nbd3: shutting down sockets [ 2032.354637][ T7364] nbd2: unable to read partition table 05:02:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x90002) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x90002) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2032.390066][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2032.409346][ T7240] Dev nbd2: unable to read RDB block 0 [ 2032.430548][ T7240] nbd2: unable to read partition table [ 2032.446364][ T7367] block nbd1: NBD_DISCONNECT [ 2032.474898][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2032.489017][ T7240] Dev nbd2: unable to read RDB block 0 [ 2032.501684][ T7240] nbd2: unable to read partition table [ 2032.510456][ T7365] ldm_validate_partition_table(): Disk read failed. [ 2032.521526][ T7365] Dev nbd2: unable to read RDB block 0 [ 2032.528277][ T7365] nbd2: unable to read partition table [ 2032.542619][ T7364] ldm_validate_partition_table(): Disk read failed. [ 2032.552778][ T7364] Dev nbd2: unable to read RDB block 0 [ 2032.564182][ T7364] nbd2: unable to read partition table [ 2033.035353][T31661] block nbd4: Possible stuck request ffff88801d6ec600: control (read@0,4096B). Runtime 0 seconds [ 2033.216963][ T5102] block nbd1: Disconnected due to user request. [ 2033.327240][T27985] block nbd0: Receive control failed (result -32) [ 2033.330593][ T7370] block nbd0: shutting down sockets [ 2034.396979][T31661] block nbd4: Possible stuck request ffff88801d6ec600: control (read@0,4096B). Runtime 0 seconds [ 2034.451168][ T7347] block nbd5: shutting down sockets [ 2034.457531][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2034.464638][ T6899] Dev nbd5: unable to read RDB block 0 [ 2034.471393][ T6899] nbd5: unable to read partition table [ 2034.484267][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2034.492034][ T6899] Dev nbd5: unable to read RDB block 0 05:02:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1263) 05:02:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x1279) 05:02:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab09) 05:02:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 05:02:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x5cba42) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) fstat(r1, &(0x7f0000000080)) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2034.498762][ T6899] nbd5: unable to read partition table 05:02:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x5cba42) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) fstat(r1, &(0x7f0000000080)) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2034.657607][ T7383] nbd5: detected capacity change from 0 to 2050 [ 2034.661759][ T7384] block nbd2: shutting down sockets [ 2034.665358][ T7385] block nbd1: NBD_DISCONNECT 05:02:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2034.846759][ T7394] block nbd2: shutting down sockets [ 2034.941323][ T7358] block nbd4: shutting down sockets [ 2034.950547][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2034.958201][ T7042] Dev nbd4: unable to read RDB block 0 [ 2034.964333][ T7042] nbd4: unable to read partition table [ 2034.976171][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2034.983570][ T7042] Dev nbd4: unable to read RDB block 0 05:02:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1268) 05:02:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x5cba42) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) fstat(r1, &(0x7f0000000080)) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2034.989875][ T7042] nbd4: unable to read partition table 05:02:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x7) [ 2035.098594][ T7397] nbd2: detected capacity change from 0 to 2050 [ 2035.137584][ T7399] nbd4: detected capacity change from 0 to 2050 [ 2035.302226][ T7407] block nbd0: shutting down sockets [ 2035.308680][ T7405] nbd0: detected capacity change from 0 to 14 [ 2035.319058][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2035.326929][ T6924] Dev nbd0: unable to read RDB block 0 [ 2035.332999][ T6924] nbd0: unable to read partition table [ 2035.340652][ T6924] nbd0: partition table beyond EOD, truncated 05:02:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x7) [ 2035.352824][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2035.360468][ T6924] Dev nbd0: unable to read RDB block 0 [ 2035.386967][ T6939] block nbd3: Receive control failed (result -32) [ 2035.399600][ T7378] block nbd3: shutting down sockets [ 2035.408285][ T6924] nbd0: unable to read partition table [ 2035.426422][ T6924] nbd0: partition table beyond EOD, truncated [ 2035.437030][ T5102] block nbd1: Disconnected due to user request. [ 2035.463470][ T7409] ldm_validate_partition_table(): Disk read failed. [ 2035.474612][ T7409] Dev nbd0: unable to read RDB block 0 [ 2035.495694][ T7409] nbd0: unable to read partition table [ 2035.503274][ T7409] nbd0: partition table beyond EOD, truncated [ 2035.558004][ T7410] ldm_validate_partition_table(): Disk read failed. [ 2035.565580][ T7410] Dev nbd0: unable to read RDB block 0 [ 2035.571675][ T7410] nbd0: unable to read partition table [ 2035.578281][ T7410] nbd0: partition table beyond EOD, truncated [ 2035.586763][ T7409] ldm_validate_partition_table(): Disk read failed. [ 2035.593907][ T7409] Dev nbd0: unable to read RDB block 0 [ 2035.602587][ T7409] nbd0: unable to read partition table [ 2035.608867][ T7409] nbd0: partition table beyond EOD, truncated [ 2035.767365][T31661] block nbd4: Possible stuck request ffff88801d6e2c00: control (read@0,4096B). Runtime 0 seconds [ 2037.115377][T31661] block nbd4: Possible stuck request ffff88801d6e2c00: control (read@0,4096B). Runtime 0 seconds [ 2037.604846][ T7383] block nbd5: shutting down sockets [ 2037.614329][ C0] blk_print_req_error: 356 callbacks suppressed [ 2037.614347][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.629759][ C0] buffer_io_error: 356 callbacks suppressed [ 2037.629776][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.643680][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.653094][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.661322][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.670604][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.679018][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.688170][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.696971][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.706285][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.714710][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.724056][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.732057][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.744600][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.752629][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.761931][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.769756][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2037.781295][T32633] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.790647][T32633] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.801341][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2037.810491][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2037.818873][ T7240] Dev nbd5: unable to read RDB block 0 [ 2037.824822][ T7240] nbd5: unable to read partition table [ 2037.839080][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 2037.847885][ T7240] ldm_validate_partition_table(): Disk read failed. 05:02:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127a) 05:02:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1264) 05:02:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab0a) 05:02:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (rerun: 64) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x7) [ 2037.855736][ T7240] Dev nbd5: unable to read RDB block 0 [ 2037.861996][ T7240] nbd5: unable to read partition table [ 2038.014724][ T7418] block nbd1: NBD_DISCONNECT [ 2038.027285][ T7397] block nbd2: shutting down sockets [ 2038.029023][ T7421] nbd5: detected capacity change from 0 to 2050 [ 2038.048950][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2038.056495][ T7042] Dev nbd2: unable to read RDB block 0 05:02:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2038.062946][ T7042] nbd2: unable to read partition table [ 2038.069418][ T7399] block nbd4: shutting down sockets 05:02:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2038.110646][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2038.147959][ T7042] ldm_validate_partition_table(): Disk read failed. 05:02:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1269) [ 2038.159507][ T6899] Dev nbd4: unable to read RDB block 0 [ 2038.165838][ T6899] nbd4: unable to read partition table [ 2038.182934][ T7042] Dev nbd2: unable to read RDB block 0 [ 2038.206136][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2038.217294][ T7042] nbd2: unable to read partition table [ 2038.231780][ T6899] Dev nbd4: unable to read RDB block 0 [ 2038.238018][ T7429] block nbd0: Device being setup by another task [ 2038.249761][ T7429] block nbd0: shutting down sockets [ 2038.256476][ T6899] nbd4: unable to read partition table [ 2038.259579][ T7427] ldm_validate_partition_table(): Disk read failed. 05:02:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DO_IT(r3, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2038.317947][ T7427] Dev nbd2: unable to read RDB block 0 [ 2038.380106][ T7427] nbd2: unable to read partition table [ 2038.391861][ T7430] ldm_validate_partition_table(): Disk read failed. [ 2038.414894][ T7430] Dev nbd2: unable to read RDB block 0 [ 2038.424788][ T7430] nbd2: unable to read partition table 05:02:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) r5 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_DO_IT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) (async) [ 2038.426931][ T7434] nbd4: detected capacity change from 0 to 2050 [ 2038.437975][ T7439] block nbd0: shutting down sockets [ 2038.457359][ T7431] ldm_validate_partition_table(): Disk read failed. [ 2038.467773][ T7431] Dev nbd2: unable to read RDB block 0 [ 2038.478573][ T7431] nbd2: unable to read partition table [ 2038.494011][T31661] block nbd4: Possible stuck request ffff88801d6e3c00: control (read@0,4096B). Runtime 0 seconds [ 2038.512943][ T7437] ldm_validate_partition_table(): Disk read failed. [ 2038.523349][ T7437] Dev nbd2: unable to read RDB block 0 05:02:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2038.533391][ T7437] nbd2: unable to read partition table [ 2038.677411][ T7445] nbd2: detected capacity change from 0 to 2050 [ 2038.735123][ T7446] block nbd0: Device being setup by another task [ 2038.742866][ T7446] block nbd0: shutting down sockets 05:02:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x410300) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0xab10) 05:02:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127b) [ 2038.776410][T27985] block nbd3: Receive control failed (result -32) [ 2038.785205][ T5102] block nbd1: Disconnected due to user request. [ 2038.798552][ T7417] block nbd3: shutting down sockets [ 2038.976642][ T7454] block nbd1: NBD_DISCONNECT [ 2039.732143][T27985] block nbd3: Receive control failed (result -32) [ 2039.746189][ T5102] block nbd1: Disconnected due to user request. [ 2039.754248][ T7453] block nbd3: shutting down sockets [ 2039.836715][T31661] block nbd4: Possible stuck request ffff88801d6e3c00: control (read@0,4096B). Runtime 0 seconds [ 2040.950349][ T7421] block nbd5: shutting down sockets [ 2040.964787][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2040.973049][ T7240] Dev nbd5: unable to read RDB block 0 [ 2040.983690][ T7240] nbd5: unable to read partition table 05:02:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x410300) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:02:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x400448c9) 05:02:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127c) 05:02:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1265) [ 2040.994734][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2041.002132][ T7240] Dev nbd5: unable to read RDB block 0 [ 2041.010277][ T7240] nbd5: unable to read partition table [ 2041.117074][ T7466] block nbd1: NBD_DISCONNECT 05:02:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x410300) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2041.179215][ T7468] nbd5: detected capacity change from 0 to 2050 [ 2041.199480][T31661] block nbd4: Possible stuck request ffff88801d6e3c00: control (read@0,4096B). Runtime 0 seconds [ 2041.292121][ T7434] block nbd4: shutting down sockets [ 2041.301958][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2041.313155][ T6899] Dev nbd4: unable to read RDB block 0 [ 2041.320354][ T6899] nbd4: unable to read partition table [ 2041.334835][ T6899] ldm_validate_partition_table(): Disk read failed. 05:02:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x180, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) 05:02:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1274) [ 2041.343555][ T6899] Dev nbd4: unable to read RDB block 0 [ 2041.354249][ T6899] nbd4: unable to read partition table [ 2041.499170][ T7478] nbd4: detected capacity change from 0 to 2050 05:02:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x180, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) [ 2041.551232][ T7479] block nbd0: shutting down sockets [ 2041.608133][ T7445] block nbd2: shutting down sockets [ 2041.631472][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2041.644785][ T7042] Dev nbd2: unable to read RDB block 0 [ 2041.651025][ T7042] nbd2: unable to read partition table [ 2041.661883][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2041.669332][ T7042] Dev nbd2: unable to read RDB block 0 [ 2041.680094][ T7042] nbd2: unable to read partition table [ 2041.691661][ T7484] block nbd0: shutting down sockets 05:02:58 executing program 0: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x180, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) 05:02:58 executing program 2: bpf$MAP_CREATE(0x1d, &(0x7f0000000a00), 0x48) 05:02:58 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0), 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0x80041285, &(0x7f00000028c0)) 05:02:58 executing program 2: ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, 0x0) sendmsg$GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) syz_genetlink_get_family_id$gtp(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000580), 0xffffffffffffffff) syz_clone(0x2869400, &(0x7f0000000b40)="132fd5256bf539b46324197c37d83dadf2f5b46bf518a3ec608e0664c4d2b84aaabddcf99716fa5216b367134c19afbbf00d4d76443d294cf4cf79b708509917e5883c9e1832df8cb5913eaf6f0290ae8452a1e1d917e633b5752b369999416e60f28f04b3808d04835f13fb0fa31680d28a50672ab61ca50d290e40a3b3ad733397ac2b7fd360255a50a8e15bc61a016ee9e48036b42fc3043fa9e9cdac0337268420a2e07d9ff5cb39800ad8e98830cc39853613d6c8f23a956b613da6f7f9b93f5991ce91873df145bc1b911f747c3d68dd07b8672393d7fefe5b9632", 0xde, &(0x7f0000000c40), &(0x7f0000000c80), &(0x7f0000000cc0)) [ 2041.910606][ T5102] block nbd3: Receive control failed (result -32) [ 2041.918553][ T7466] block nbd1: Disconnected due to user request. [ 2041.924844][ T7466] block nbd1: shutting down sockets [ 2041.945052][ T7487] block nbd0: Device being setup by another task 05:02:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x400448dd) [ 2041.956973][ T7464] block nbd3: shutting down sockets 05:02:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127d) [ 2042.016613][ T7487] block nbd0: shutting down sockets 05:02:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xfffffffffffffbd2) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2042.116953][ T7498] block nbd1: NBD_DISCONNECT [ 2042.196195][ T7502] block nbd0: NBD_DISCONNECT [ 2042.261375][ T7505] block nbd0: Disconnected due to user request. [ 2042.271745][ T7505] block nbd0: shutting down sockets [ 2042.556062][T31661] block nbd4: Possible stuck request ffff88801d6ecc00: control (read@0,4096B). Runtime 0 seconds [ 2042.904430][T27923] block nbd1: Disconnected due to user request. [ 2042.926714][ T5102] block nbd3: Receive control failed (result -32) [ 2042.935833][ T7499] block nbd3: shutting down sockets [ 2043.927801][T31661] block nbd4: Possible stuck request ffff88801d6ecc00: control (read@0,4096B). Runtime 0 seconds [ 2044.075597][ T7468] block nbd5: shutting down sockets [ 2044.081113][ C0] blk_print_req_error: 276 callbacks suppressed [ 2044.081131][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.096524][ C0] buffer_io_error: 276 callbacks suppressed [ 2044.096534][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.110562][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.120153][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.128766][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.138419][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.147948][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.158681][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.166932][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.176408][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.184398][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.193730][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.201799][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.210899][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.219042][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.230586][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.238621][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2044.245586][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2044.255476][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.263420][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 05:03:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1267) 05:03:01 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r0, &(0x7f0000000800)={&(0x7f0000000740), 0xc, &(0x7f00000007c0)={0x0}}, 0x0) 05:03:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xfffffffffffffbd2) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xfffffffffffffbd2) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2044.272474][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2044.280859][ T6924] Dev nbd5: unable to read RDB block 0 [ 2044.287092][ T6924] nbd5: unable to read partition table [ 2044.296798][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2044.304004][ T6924] Dev nbd5: unable to read RDB block 0 [ 2044.310235][ T6924] nbd5: unable to read partition table [ 2044.408891][ T7478] block nbd4: shutting down sockets [ 2044.432958][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2044.439832][ T7512] nbd5: detected capacity change from 0 to 2050 [ 2044.449184][ T7240] Dev nbd4: unable to read RDB block 0 [ 2044.461453][ T7240] nbd4: unable to read partition table [ 2044.465305][ T7510] block nbd0: Device being setup by another task [ 2044.473754][ T7508] block nbd0: NBD_DISCONNECT 05:03:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1276) 05:03:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x400454ca) 05:03:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127e) 05:03:01 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x4000000000000200, 0xe50fb6c50bc849c9) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x1c}}, 0x0) getsockname$packet(r2, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="3c0000001000010400eeffffffffffffff000000", @ANYRES32=r3, @ANYBLOB="01000000010000001c0012000c000100627269646765"], 0x3c}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)=@newqdisc={0x38, 0x24, 0xe0b, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_fq_codel={{0xd}, {0x4}}]}, 0x38}}, 0x0) bind$packet(r0, &(0x7f0000000080)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @dev}, 0x14) sendto$inet6(r0, &(0x7f0000000280)="4103082c1116480401020200c52cf7c25975e005b02f8906eb2b2ff0dac8897c6b118777faffffff3066090cb600c5471d130a66321a54e7df305f80a88161b6fd8f24286a57c3feffff", 0xfc13, 0x800, 0x0, 0x2f) [ 2044.475215][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2044.485852][ T7240] Dev nbd4: unable to read RDB block 0 [ 2044.493807][ T7240] nbd4: unable to read partition table [ 2044.544550][ T7508] block nbd0: Disconnected due to user request. [ 2044.572100][ T7516] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2044.575421][ T7508] block nbd0: shutting down sockets 05:03:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xfffffffffffffbd2) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2044.616349][ T27] audit: type=1400 audit(1700197381.584:771): avc: denied { bind } for pid=7515 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=packet_socket permissive=1 05:03:01 executing program 2: select(0x0, 0x0, 0x0, 0x0, &(0x7f0000000640)) [ 2044.710032][ T7523] block nbd1: NBD_DISCONNECT [ 2044.757846][ T7522] nbd4: detected capacity change from 0 to 2050 05:03:01 executing program 2: pipe2$9p(&(0x7f00000004c0), 0x0) openat$vcsa(0xffffffffffffff9c, 0x0, 0x4000, 0x0) [ 2044.830907][ T7526] block nbd0: NBD_DISCONNECT 05:03:01 executing program 2: r0 = socket(0x2, 0xa, 0x0) sendmsg$TIPC_NL_NAME_TABLE_GET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0xa}, 0x12, &(0x7f00000000c0)={0x0}}, 0x0) [ 2044.866369][ T7531] block nbd0: Disconnected due to user request. [ 2044.891350][ T7531] block nbd0: shutting down sockets 05:03:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x10001}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x2e4440) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(0xffffffffffffffff, 0x1, &(0x7f0000000000)={0x8}, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2045.275691][T31661] block nbd4: Possible stuck request ffff88801d6e9600: control (read@0,4096B). Runtime 0 seconds [ 2045.438256][T27985] block nbd3: Receive control failed (result -32) [ 2045.446841][ T7519] block nbd3: shutting down sockets [ 2045.466074][ T7520] block nbd1: Disconnected due to user request. [ 2045.472975][ T7520] block nbd1: shutting down sockets [ 2045.848549][T28712] block nbd0: Receive control failed (result -32) [ 2045.852047][ T7537] block nbd0: shutting down sockets [ 2046.639860][T31661] block nbd4: Possible stuck request ffff88801d6e9600: control (read@0,4096B). Runtime 0 seconds 05:03:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1268) 05:03:04 executing program 2: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'netdevsim0\x00', 0x1}) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000080)) 05:03:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x127f) [ 2047.393276][ T7512] block nbd5: shutting down sockets [ 2047.413039][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2047.420068][ T6899] Dev nbd5: unable to read RDB block 0 [ 2047.428222][ T6899] nbd5: unable to read partition table [ 2047.444404][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2047.465742][ T6899] Dev nbd5: unable to read RDB block 0 [ 2047.481478][ T6899] nbd5: unable to read partition table [ 2047.580850][ T7545] nbd5: detected capacity change from 0 to 2050 05:03:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1277) 05:03:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40049409) 05:03:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x10001}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x2e4440) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(0xffffffffffffffff, 0x1, &(0x7f0000000000)={0x8}, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x10001}}, './file0\x00'}) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x2e4440) (async) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(0xffffffffffffffff, 0x1, &(0x7f0000000000)={0x8}, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 05:03:04 executing program 2: pselect6(0x40, &(0x7f0000000540), &(0x7f0000000580)={0x1}, &(0x7f00000005c0)={0x6}, &(0x7f0000000600)={0x0, 0x989680}, &(0x7f0000000680)={&(0x7f0000000640)={[0x401]}, 0x8}) [ 2047.638983][ T7522] block nbd4: shutting down sockets [ 2047.646202][T10977] ldm_validate_partition_table(): Disk read failed. [ 2047.653292][T10977] Dev nbd4: unable to read RDB block 0 [ 2047.659595][T10977] nbd4: unable to read partition table [ 2047.695589][T10977] ldm_validate_partition_table(): Disk read failed. [ 2047.706288][T10977] Dev nbd4: unable to read RDB block 0 [ 2047.728227][T10977] nbd4: unable to read partition table 05:03:04 executing program 2: r0 = socket(0xa, 0x2, 0x0) sendmsg$TIPC_NL_NAME_TABLE_GET(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x2, 0x2}, 0x10, &(0x7f00000000c0)={0x0}, 0x1, 0xe000000000000000}, 0x0) [ 2047.793487][ T7551] block nbd1: NBD_DISCONNECT 05:03:04 executing program 2: syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x24, 0xf2, 0xff, 0x20, 0x499, 0x102e, 0xbd0b, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x0, 0x0, 0x10, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0xc0, 0x61, 0x95, 0x0, [@uac_control]}}]}}]}}, &(0x7f00000007c0)={0x0, 0x0, 0x0, 0x0, 0x2, [{0x2, &(0x7f0000000540)=@string={0x2}}, {0x4, &(0x7f0000000600)=@lang_id={0x4}}]}) 05:03:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x10001}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async, rerun: 32) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async, rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x2e4440) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(0xffffffffffffffff, 0x1, &(0x7f0000000000)={0x8}, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2047.847858][ T7556] nbd4: detected capacity change from 0 to 2050 [ 2047.859944][ T7552] block nbd0: shutting down sockets [ 2047.875540][ T7559] block nbd0: Device being setup by another task [ 2048.003332][T31661] block nbd4: Possible stuck request ffff88801d6ed800: control (read@0,4096B). Runtime 0 seconds 05:03:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2048.067144][ T7568] block nbd0: shutting down sockets [ 2048.211050][ T7572] block nbd0: shutting down sockets 05:03:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2048.265282][T21078] usb 3-1: new high-speed USB device number 17 using dummy_hcd [ 2048.313703][ T6939] block nbd3: Receive control failed (result -32) [ 2048.324329][ T7541] block nbd3: shutting down sockets [ 2048.441682][ T7574] block nbd0: shutting down sockets [ 2048.519829][T21078] usb 3-1: Using ep0 maxpacket: 32 [ 2048.541833][ T5102] block nbd1: Disconnected due to user request. [ 2048.645461][T21078] usb 3-1: config 0 has an invalid descriptor of length 10, skipping remainder of the config [ 2048.708813][T21078] usb 3-1: language id specifier not provided by device, defaulting to English [ 2048.835497][T21078] usb 3-1: New USB device found, idVendor=0499, idProduct=102e, bcdDevice=bd.0b [ 2048.844595][T21078] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2048.852682][T21078] usb 3-1: Product: syz [ 2048.857620][T21078] usb 3-1: SerialNumber: syz [ 2048.875660][T21078] usb 3-1: config 0 descriptor?? [ 2048.964202][T21078] snd-usb-audio: probe of 3-1:0.0 failed with error -2 [ 2048.976947][ T6899] udevd[6899]: error opening ATTR{/sys/devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 2049.119670][T16269] usb 3-1: USB disconnect, device number 17 [ 2049.357148][T31661] block nbd4: Possible stuck request ffff88801d6ed800: control (read@0,4096B). Runtime 0 seconds [ 2050.522395][ T7545] block nbd5: shutting down sockets [ 2050.528025][ C0] blk_print_req_error: 138 callbacks suppressed [ 2050.528036][ C0] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.543352][ C0] buffer_io_error: 138 callbacks suppressed [ 2050.543369][ C0] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.558114][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.570525][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.578631][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.587882][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.595982][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.605635][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.613589][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.622782][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.631010][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.640232][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.648323][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.657479][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.665568][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.674704][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.682734][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2050.691492][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.701531][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.709644][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2050.718912][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2050.726840][ T94] block nbd4: Possible stuck request ffff88801d6ed800: control (read@0,4096B). Runtime 0 seconds [ 2050.737980][ T7240] Dev nbd5: unable to read RDB block 0 [ 2050.743945][ T7240] nbd5: unable to read partition table [ 2050.757014][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2050.764299][ T7240] Dev nbd5: unable to read RDB block 0 05:03:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1269) 05:03:07 executing program 2: r0 = socket(0x18, 0x0, 0x2) sendmsg$TIPC_NL_NAME_TABLE_GET(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 05:03:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2050.770603][ T7240] nbd5: unable to read partition table [ 2050.785261][ T7556] block nbd4: shutting down sockets [ 2050.835000][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2050.842309][ T7042] Dev nbd4: unable to read RDB block 0 [ 2050.850183][ T7042] nbd4: unable to read partition table [ 2050.866680][ T7578] block nbd0: shutting down sockets [ 2050.875322][ T7042] ldm_validate_partition_table(): Disk read failed. 05:03:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1278) [ 2050.889668][ T7042] Dev nbd4: unable to read RDB block 0 [ 2050.916112][ T7042] nbd4: unable to read partition table 05:03:07 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) recvfrom$unix(r1, &(0x7f0000000000)=""/123, 0x7b, 0x0, 0x0, 0x0) read(r1, &(0x7f0000000100)=""/111, 0x6f) sendto(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 05:03:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40081271) 05:03:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x4b47) 05:03:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, r7) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x4, 0x400040) ioctl$NBD_SET_SOCK(r9, 0xab00, r8) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r10, 0xab07, 0x80) r12 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x40002, 0x0) r13 = syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r8) sendmsg$DEVLINK_CMD_SB_PORT_POOL_SET(r12, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x54, r13, 0x1, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x6}, {0x8, 0x15, 0x917}}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0x408d5) ioctl$sock_TIOCINQ(r10, 0x541b, &(0x7f0000000100)) r14 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r14, 0xab03) r15 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r15, 0xab04) [ 2050.952750][ T7584] nbd5: detected capacity change from 0 to 2050 [ 2051.066475][ T7588] block nbd1: NBD_DISCONNECT [ 2051.129874][ T7595] nbd4: detected capacity change from 0 to 2050 05:03:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4080) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, r7) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x4, 0x400040) ioctl$NBD_SET_SOCK(r9, 0xab00, r8) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r10, 0xab07, 0x80) (async) r12 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x40002, 0x0) (async) r13 = syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r8) sendmsg$DEVLINK_CMD_SB_PORT_POOL_SET(r12, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x54, r13, 0x1, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x6}, {0x8, 0x15, 0x917}}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0x408d5) (async) ioctl$sock_TIOCINQ(r10, 0x541b, &(0x7f0000000100)) (async) r14 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r14, 0xab03) (async) r15 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r15, 0xab04) [ 2051.187974][ T7593] block nbd0: shutting down sockets [ 2051.207002][ T7593] block nbd0: server does not support multiple connections per device. [ 2051.345914][ T7603] block nbd0: Device being setup by another task [ 2051.395283][ T7603] block nbd0: shutting down sockets 05:03:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async, rerun: 64) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (rerun: 32) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) (async) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, r7) (async) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x4, 0x400040) ioctl$NBD_SET_SOCK(r9, 0xab00, r8) (async) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, r4, {0x1}}, './file0\x00'}) ioctl$NBD_CLEAR_SOCK(r11, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r10, 0xab07, 0x80) (async, rerun: 64) r12 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000180), 0x40002, 0x0) (async, rerun: 64) r13 = syz_genetlink_get_family_id$devlink(&(0x7f0000000240), r8) sendmsg$DEVLINK_CMD_SB_PORT_POOL_SET(r12, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0x54, r13, 0x1, 0x70bd25, 0x25dfdbfe, {}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x2}, {0x6, 0x11, 0x6}, {0x8, 0x15, 0x917}}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0x408d5) (async) ioctl$sock_TIOCINQ(r10, 0x541b, &(0x7f0000000100)) (async) r14 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r14, 0xab03) (async, rerun: 64) r15 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 64) ioctl$NBD_CLEAR_SOCK(r15, 0xab04) [ 2051.419756][ T7604] block nbd0: server does not support multiple connections per device. 05:03:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) sendto(r4, &(0x7f0000000080)="aa24f46634279252be308938a14b399ad41522fa88291711c44a62d04ffe82ea292e53240d2e271043e3b1de5ebb769962f1cef2d1b584ceae08c66bbc367a1f4b86c7e8d535f2b8028a1b708eaed2cd703160ea7161fcfff9339b3b5f0e6cdf4227c932932dc408d3dfb11261e60e350b9e85df9cc43f05ac029bc8420c", 0x7e, 0x4080, &(0x7f0000000100)=@in6={0xa, 0x4e21, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x80}, 0x80) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 2051.699198][ T7614] block nbd0: shutting down sockets 05:03:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) (async) sendto(r4, &(0x7f0000000080)="aa24f46634279252be308938a14b399ad41522fa88291711c44a62d04ffe82ea292e53240d2e271043e3b1de5ebb769962f1cef2d1b584ceae08c66bbc367a1f4b86c7e8d535f2b8028a1b708eaed2cd703160ea7161fcfff9339b3b5f0e6cdf4227c932932dc408d3dfb11261e60e350b9e85df9cc43f05ac029bc8420c", 0x7e, 0x4080, &(0x7f0000000100)=@in6={0xa, 0x4e21, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x80}, 0x80) (async) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 2051.846246][ T5102] block nbd1: Disconnected due to user request. [ 2051.856842][ T7589] block nbd3: shutting down sockets [ 2051.876548][ T7617] block nbd0: shutting down sockets [ 2052.076779][T31661] block nbd4: Possible stuck request ffff88801d6ea200: control (read@0,4096B). Runtime 0 seconds [ 2053.435943][T31661] block nbd4: Possible stuck request ffff88801d6ea200: control (read@0,4096B). Runtime 0 seconds [ 2053.877213][ T7584] block nbd5: shutting down sockets [ 2053.883484][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2053.891023][ T7240] Dev nbd5: unable to read RDB block 0 [ 2053.897346][ T7240] nbd5: unable to read partition table [ 2053.912649][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2053.920054][ T7240] Dev nbd5: unable to read RDB block 0 05:03:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1274) 05:03:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40086602) 05:03:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) (async) sendto(r4, &(0x7f0000000080)="aa24f46634279252be308938a14b399ad41522fa88291711c44a62d04ffe82ea292e53240d2e271043e3b1de5ebb769962f1cef2d1b584ceae08c66bbc367a1f4b86c7e8d535f2b8028a1b708eaed2cd703160ea7161fcfff9339b3b5f0e6cdf4227c932932dc408d3dfb11261e60e350b9e85df9cc43f05ac029bc8420c", 0x7e, 0x4080, &(0x7f0000000100)=@in6={0xa, 0x4e21, 0x4, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x80}, 0x80) (async) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 2053.926351][ T7240] nbd5: unable to read partition table [ 2054.046793][ T7595] block nbd4: shutting down sockets [ 2054.061782][ T7625] block nbd1: NBD_DISCONNECT [ 2054.067338][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2054.074251][ T7623] block nbd0: shutting down sockets [ 2054.081190][ T7042] Dev nbd4: unable to read RDB block 0 [ 2054.088760][ T7042] nbd4: unable to read partition table 05:03:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x4b49) 05:03:11 executing program 2: clock_gettime(0x0, &(0x7f00000001c0)) clock_getres(0x2, &(0x7f00000000c0)) 05:03:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x1279) [ 2054.098802][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2054.106068][ T7042] Dev nbd4: unable to read RDB block 0 [ 2054.107856][ T7627] nbd5: detected capacity change from 0 to 2050 [ 2054.112214][ T7042] nbd4: unable to read partition table 05:03:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@newtclass={0x74, 0x28, 0x100, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0x4, 0x7}, {0xfff7, 0xffff}, {0xffff, 0xfff2}}, [@tclass_kind_options=@c_qfq={{0x8}, {0x14, 0x2, [@TCA_QFQ_WEIGHT={0x8, 0x1, 0x3ff}, @TCA_QFQ_LMAX={0x8, 0x2, 0x1}]}}, @tclass_kind_options=@c_ingress={0xc}, @TCA_RATE={0x6, 0x5, {0xff, 0x9}}, @tclass_kind_options=@c_dsmark={{0xb}, {0xc, 0x2, @TCA_DSMARK_MASK={0x5, 0x4, 0x40}}}, @TCA_RATE={0x6, 0x5, {0x4, 0x5}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8825}, 0x4) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan0\x00'}) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x8) 05:03:11 executing program 2: setitimer(0x1, &(0x7f0000000080)={{}, {0x0, 0x3}}, 0x0) 05:03:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)) clock_getres(0x4, &(0x7f0000000080)) [ 2054.337606][ T7637] nbd4: detected capacity change from 0 to 2050 [ 2054.399417][ T7642] block nbd0: shutting down sockets [ 2054.418680][ T7638] nbd0: detected capacity change from 0 to 16 [ 2054.433517][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2054.444352][ T6899] Dev nbd0: unable to read RDB block 0 05:03:11 executing program 2: openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x10922, 0x0) [ 2054.454754][ T6899] nbd0: unable to read partition table [ 2054.484631][ T6899] nbd0: partition table beyond EOD, truncated 05:03:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@newtclass={0x74, 0x28, 0x100, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0x4, 0x7}, {0xfff7, 0xffff}, {0xffff, 0xfff2}}, [@tclass_kind_options=@c_qfq={{0x8}, {0x14, 0x2, [@TCA_QFQ_WEIGHT={0x8, 0x1, 0x3ff}, @TCA_QFQ_LMAX={0x8, 0x2, 0x1}]}}, @tclass_kind_options=@c_ingress={0xc}, @TCA_RATE={0x6, 0x5, {0xff, 0x9}}, @tclass_kind_options=@c_dsmark={{0xb}, {0xc, 0x2, @TCA_DSMARK_MASK={0x5, 0x4, 0x40}}}, @TCA_RATE={0x6, 0x5, {0x4, 0x5}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8825}, 0x4) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan0\x00'}) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x8) [ 2054.500497][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2054.523250][ T6899] Dev nbd0: unable to read RDB block 0 [ 2054.531577][ T6899] nbd0: unable to read partition table [ 2054.537957][ T6899] nbd0: partition table beyond EOD, truncated 05:03:11 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmsg(r0, &(0x7f0000002640)={&(0x7f0000000000)=@un=@abs, 0x8, 0x0, 0x0, &(0x7f0000002540)=""/234, 0xea}, 0x1842) [ 2054.681479][ T7650] block nbd0: shutting down sockets [ 2054.798317][T31661] block nbd4: Possible stuck request ffff88801d6eec00: control (read@0,4096B). Runtime 0 seconds [ 2054.836000][ T6939] block nbd1: Disconnected due to user request. [ 2055.038167][T28712] block nbd3: Receive control failed (result -32) [ 2055.053708][ T7633] block nbd3: shutting down sockets [ 2056.158597][T31661] block nbd4: Possible stuck request ffff88801d6eec00: control (read@0,4096B). Runtime 0 seconds [ 2056.997168][ T7627] block nbd5: shutting down sockets [ 2057.009422][ C1] blk_print_req_error: 173 callbacks suppressed [ 2057.009435][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.024847][ C1] buffer_io_error: 173 callbacks suppressed [ 2057.024857][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.038696][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.050275][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.058669][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.067799][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.075931][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.085324][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.093329][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.103618][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.111740][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.121032][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.129053][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.138190][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.146697][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.158501][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.166725][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2057.173474][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.182616][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.190605][T31661] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2057.200386][T31661] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2057.208602][ T7042] Dev nbd5: unable to read RDB block 0 [ 2057.220272][ T7042] nbd5: unable to read partition table [ 2057.229547][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2057.237489][ T7637] block nbd4: shutting down sockets [ 2057.239441][ T7042] Dev nbd5: unable to read RDB block 0 [ 2057.249470][ T7042] nbd5: unable to read partition table [ 2057.251563][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2057.263456][ T6924] Dev nbd4: unable to read RDB block 0 [ 2057.272219][ T6924] nbd4: unable to read partition table [ 2057.282921][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2057.290606][ T6924] Dev nbd4: unable to read RDB block 0 [ 2057.297120][ T6924] nbd4: unable to read partition table 05:03:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1276) 05:03:14 executing program 2: landlock_create_ruleset(&(0x7f0000003840)={0x2401}, 0x10, 0x0) 05:03:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@newtclass={0x74, 0x28, 0x100, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0x4, 0x7}, {0xfff7, 0xffff}, {0xffff, 0xfff2}}, [@tclass_kind_options=@c_qfq={{0x8}, {0x14, 0x2, [@TCA_QFQ_WEIGHT={0x8, 0x1, 0x3ff}, @TCA_QFQ_LMAX={0x8, 0x2, 0x1}]}}, @tclass_kind_options=@c_ingress={0xc}, @TCA_RATE={0x6, 0x5, {0xff, 0x9}}, @tclass_kind_options=@c_dsmark={{0xb}, {0xc, 0x2, @TCA_DSMARK_MASK={0x5, 0x4, 0x40}}}, @TCA_RATE={0x6, 0x5, {0x4, 0x5}}]}, 0x74}, 0x1, 0x0, 0x0, 0x8825}, 0x4) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000180)={'vxcan0\x00'}) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x8) 05:03:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40087602) 05:03:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x541b) 05:03:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127a) 05:03:14 executing program 2: r0 = signalfd(0xffffffffffffffff, &(0x7f0000000540), 0x8) syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), r0) [ 2057.453326][ T7662] block nbd1: NBD_DISCONNECT [ 2057.496484][ T7667] block nbd0: shutting down sockets 05:03:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee00}}, './file0\x00'}) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = memfd_secret(0x80000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 05:03:14 executing program 2: r0 = syz_clone(0x40000000, &(0x7f0000000000), 0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) tkill(r0, 0x1d) bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) [ 2057.578528][ T7671] nbd4: detected capacity change from 0 to 2050 [ 2057.602329][ T7670] relay: one or more items not logged [item size (56) > sub-buffer size (5)] 05:03:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee00}}, './file0\x00'}) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x3) (async) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = memfd_secret(0x80000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2057.741817][ T7682] block nbd0: shutting down sockets 05:03:14 executing program 2: r0 = syz_clone(0x40000000, &(0x7f0000000000), 0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)="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") tkill(r0, 0x1d) bpf$BPF_PROG_QUERY(0x10, 0x0, 0x0) [ 2057.932313][ T7685] block nbd0: shutting down sockets 05:03:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async, rerun: 32) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0xee00}}, './file0\x00'}) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) r5 = memfd_secret(0x80000) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 2058.190349][ T7692] block nbd0: shutting down sockets [ 2058.218232][T27985] block nbd1: Disconnected due to user request. [ 2058.238901][T28712] block nbd5: Receive control failed (result -32) [ 2058.245553][ T7664] block nbd5: shutting down sockets [ 2058.253690][ T5102] block nbd3: Receive control failed (result -32) [ 2058.269488][ T7665] block nbd3: shutting down sockets 05:03:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1277) 05:03:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x402) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r1, 0x8983, &(0x7f0000000140)) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r4, 0x40189429, &(0x7f0000000340)={0x1, 0x2, 0xfffffffffffffffd}) r5 = fcntl$getown(r2, 0x9) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000), 0x20201, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_DISCONNECT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x1000) r8 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r9 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r9, 0xab03) ioctl$BLKTRACESETUP(r9, 0xc0481273, &(0x7f00000000c0)={'\x00', 0x8000, 0x9, 0x9302, 0x2, 0x671, r5}) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) getsockopt$inet_sctp_SCTP_CONTEXT(r7, 0x84, 0x11, &(0x7f0000000240)={0x0, 0x1}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r10, 0x84, 0x76, &(0x7f0000000300)={r11, 0x5}, 0x8) ioctl$FAT_IOCTL_GET_ATTRIBUTES(0xffffffffffffffff, 0x80047210, &(0x7f0000000180)) 05:03:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40101283) 05:03:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x5421) [ 2058.446869][ T7700] block nbd1: NBD_DISCONNECT [ 2058.453722][ T7698] nbd5: detected capacity change from 0 to 2050 [ 2058.491783][ T7702] block nbd0: NBD_DISCONNECT 05:03:15 executing program 2: openat$drirender128(0xffffffffffffff9c, &(0x7f0000000980), 0x2002, 0x0) [ 2058.623715][ T7707] block nbd0: Device being setup by another task [ 2058.636420][ T27] audit: type=1400 audit(1700197395.604:772): avc: denied { write } for pid=7701 comm="syz-executor.0" name="cachefiles" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cachefiles_device_t tclass=chr_file permissive=1 [ 2058.675766][ T7707] nbd0: detected capacity change from 0 to 8192 [ 2058.956817][T31661] block nbd4: Possible stuck request ffff88801d6eb600: control (read@0,4096B). Runtime 0 seconds [ 2059.234782][T28712] block nbd1: Disconnected due to user request. [ 2059.295725][T27985] block nbd3: Receive control failed (result -32) [ 2059.309173][ T7705] block nbd3: shutting down sockets [ 2060.326086][T31661] block nbd4: Possible stuck request ffff88801d6eb600: control (read@0,4096B). Runtime 0 seconds [ 2060.452561][ T7671] block nbd4: shutting down sockets [ 2060.460808][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2060.474844][ T7240] Dev nbd4: unable to read RDB block 0 [ 2060.481592][ T7240] nbd4: unable to read partition table 05:03:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127b) 05:03:17 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000001380)={0x10, 0x2}, 0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000780), &(0x7f00000007c0)=0x8) 05:03:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40101286) 05:03:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x5450) [ 2060.497095][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2060.504312][ T7240] Dev nbd4: unable to read RDB block 0 [ 2060.511164][ T7240] nbd4: unable to read partition table 05:03:17 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x22, &(0x7f0000000680), 0xc) [ 2060.697562][ T7720] nbd4: detected capacity change from 0 to 2050 [ 2060.758999][ T7725] block nbd1: NBD_DISCONNECT 05:03:17 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) connect$inet(r0, &(0x7f0000000040)={0x10, 0x2}, 0x10) 05:03:17 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000240), &(0x7f0000000300)=0x98) [ 2061.376658][ T7698] block nbd5: shutting down sockets [ 2061.395384][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2061.402060][ T6939] block nbd3: Receive control failed (result -32) [ 2061.415213][ T7702] block nbd0: Disconnected due to user request. [ 2061.417657][ T6899] Dev nbd5: unable to read RDB block 0 [ 2061.424355][ T7702] block nbd0: shutting down sockets [ 2061.434403][ T7716] block nbd3: shutting down sockets [ 2061.437392][ T6899] nbd5: unable to read partition table [ 2061.454615][ T7707] ldm_validate_partition_table(): Disk read failed. [ 2061.470147][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2061.477517][ T6899] Dev nbd5: unable to read RDB block 0 [ 2061.483718][ T6899] nbd5: unable to read partition table [ 2061.498270][ T7707] Dev nbd0: unable to read RDB block 0 [ 2061.504613][ T7707] nbd0: unable to read partition table [ 2061.509492][T28712] block nbd1: Disconnected due to user request. 05:03:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1278) [ 2061.527603][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2061.565513][ T6924] Dev nbd0: unable to read RDB block 0 [ 2061.581441][ T6924] nbd0: unable to read partition table [ 2061.601143][ T6924] ldm_validate_partition_table(): Disk read failed. [ 2061.608755][ T6924] Dev nbd0: unable to read RDB block 0 [ 2061.615781][ T6924] nbd0: unable to read partition table 05:03:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x402) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r1, 0x8983, &(0x7f0000000140)) ioctl$NBD_DISCONNECT(r0, 0xab08) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r4, 0x40189429, &(0x7f0000000340)={0x1, 0x2, 0xfffffffffffffffd}) r5 = fcntl$getown(r2, 0x9) (async) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async, rerun: 64) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000), 0x20201, 0x0) (rerun: 64) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) (async) ioctl$NBD_DISCONNECT(r6, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x1000) (async) r8 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r9 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r9, 0xab03) (async) ioctl$BLKTRACESETUP(r9, 0xc0481273, &(0x7f00000000c0)={'\x00', 0x8000, 0x9, 0x9302, 0x2, 0x671, r5}) (async) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) (async) getsockopt$inet_sctp_SCTP_CONTEXT(r7, 0x84, 0x11, &(0x7f0000000240)={0x0, 0x1}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r10, 0x84, 0x76, &(0x7f0000000300)={r11, 0x5}, 0x8) (async) ioctl$FAT_IOCTL_GET_ATTRIBUTES(0xffffffffffffffff, 0x80047210, &(0x7f0000000180)) 05:03:18 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x10, 0x2}, 0x10) 05:03:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x5451) 05:03:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40101288) [ 2061.693686][ T7733] nbd5: detected capacity change from 0 to 2050 [ 2061.706490][T31661] block nbd4: Possible stuck request ffff88801d6e3800: control (read@0,4096B). Runtime 0 seconds [ 2061.787056][ T7738] block nbd1: NBD_DISCONNECT [ 2061.835558][ T7744] block nbd0: Device being setup by another task [ 2061.868740][ T7742] block nbd0: NBD_DISCONNECT [ 2061.877358][ T7743] block nbd0: Disconnected due to user request. [ 2061.888676][ T7743] block nbd0: shutting down sockets [ 2062.549761][T27923] block nbd3: Receive control failed (result -32) [ 2062.564019][ T7734] block nbd3: shutting down sockets [ 2062.570957][ T6939] block nbd1: Disconnected due to user request. [ 2063.048633][T31661] block nbd4: Possible stuck request ffff88801d6e3800: control (read@0,4096B). Runtime 0 seconds [ 2063.615110][ T7720] block nbd4: shutting down sockets [ 2063.628955][ C1] blk_print_req_error: 188 callbacks suppressed [ 2063.628967][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.644352][ C1] buffer_io_error: 187 callbacks suppressed [ 2063.644362][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.658339][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.667740][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.676246][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.685496][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.693487][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.705253][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.713285][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.722465][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.731129][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.744136][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.752188][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.762371][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.772706][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.782580][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.790633][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2063.797536][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.808420][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.816744][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2063.826021][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2063.833994][ T7240] Dev nbd4: unable to read RDB block 0 [ 2063.844598][ T7240] nbd4: unable to read partition table [ 2063.854726][ T7240] ldm_validate_partition_table(): Disk read failed. 05:03:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127c) 05:03:20 executing program 2: r0 = socket(0x2, 0x5, 0x0) recvmsg(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000640)=""/80, 0x50}, 0x3) 05:03:20 executing program 0: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x402) (async) r2 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x402) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r1, 0x8983, &(0x7f0000000140)) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) (async) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r4, 0x40189429, &(0x7f0000000340)={0x1, 0x2, 0xfffffffffffffffd}) (async) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r4, 0x40189429, &(0x7f0000000340)={0x1, 0x2, 0xfffffffffffffffd}) fcntl$getown(r2, 0x9) (async) r5 = fcntl$getown(r2, 0x9) r6 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000), 0x20201, 0x0) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_DISCONNECT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x1000) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r8 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r9 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r9, 0xab03) ioctl$BLKTRACESETUP(r9, 0xc0481273, &(0x7f00000000c0)={'\x00', 0x8000, 0x9, 0x9302, 0x2, 0x671, r5}) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, r2, {0x1}}, './file0\x00'}) getsockopt$inet_sctp_SCTP_CONTEXT(r7, 0x84, 0x11, &(0x7f0000000240)={0x0, 0x1}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r10, 0x84, 0x76, &(0x7f0000000300)={r11, 0x5}, 0x8) ioctl$FAT_IOCTL_GET_ATTRIBUTES(0xffffffffffffffff, 0x80047210, &(0x7f0000000180)) 05:03:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x5452) 05:03:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401070c9) [ 2063.861947][ T7240] Dev nbd4: unable to read RDB block 0 [ 2063.868396][ T7240] nbd4: unable to read partition table 05:03:20 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0xf, &(0x7f00000001c0), 0xc) [ 2064.028172][ T7758] nbd4: detected capacity change from 0 to 2050 [ 2064.046498][ T7757] block nbd1: NBD_DISCONNECT 05:03:21 executing program 2: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000340)=@framed, &(0x7f00000003c0)='syzkaller\x00'}, 0x90) [ 2064.074403][ T7755] block nbd0: Device being setup by another task [ 2064.121816][ T7755] block nbd0: shutting down sockets [ 2064.396976][T31661] block nbd4: Possible stuck request ffff88801d6e4c00: control (read@0,4096B). Runtime 0 seconds [ 2064.632397][ T7733] block nbd5: shutting down sockets [ 2064.642159][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2064.650575][ T7042] Dev nbd5: unable to read RDB block 0 [ 2064.656983][ T7042] nbd5: unable to read partition table [ 2064.667813][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2064.675764][ T7042] Dev nbd5: unable to read RDB block 0 05:03:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x1279) 05:03:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x30000) ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000080)={'\x00', 0xfe01, 0xe77, 0x80000001, 0x400, 0x2, 0xffffffffffffffff}) 05:03:21 executing program 2: syz_clone(0xf200100, 0x0, 0x0, 0x0, 0x0, 0x0) [ 2064.682089][ T7042] nbd5: unable to read partition table 05:03:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x5460) [ 2064.749669][ T7751] block nbd3: shutting down sockets 05:03:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f00000010c0), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_TX_POWER(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x35, 0x0, 0x0, {}, [@NL802154_ATTR_IFINDEX={0x8}]}, 0x1c}}, 0x0) [ 2064.812376][T27923] block nbd1: Disconnected due to user request. [ 2064.894341][ T7778] block nbd0: shutting down sockets [ 2064.897512][ T7774] nbd5: detected capacity change from 0 to 2050 [ 2065.716099][T27923] block nbd3: Receive control failed (result -32) [ 2065.728812][ T7776] block nbd3: shutting down sockets [ 2065.755425][T31661] block nbd4: Possible stuck request ffff88801d6e4c00: control (read@0,4096B). Runtime 0 seconds 05:03:23 executing program 2: r0 = add_key$keyring(&(0x7f0000000180), &(0x7f00000001c0)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$search(0xa, r0, &(0x7f0000000500)='keyring\x00', &(0x7f0000000540)={'syz', 0x2}, 0x0) 05:03:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401070ca) 05:03:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async, rerun: 32) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x30000) (rerun: 32) ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000080)={'\x00', 0xfe01, 0xe77, 0x80000001, 0x400, 0x2, 0xffffffffffffffff}) 05:03:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127d) 05:03:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x8933) [ 2066.962195][ T7758] block nbd4: shutting down sockets [ 2066.976570][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2066.985368][ T6899] Dev nbd4: unable to read RDB block 0 [ 2066.991726][ T6899] nbd4: unable to read partition table [ 2067.020089][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2067.051182][ T6899] Dev nbd4: unable to read RDB block 0 [ 2067.072726][ T6899] nbd4: unable to read partition table [ 2067.104048][ T7791] ldm_validate_partition_table(): Disk read failed. [ 2067.106264][ T7787] block nbd1: NBD_DISCONNECT [ 2067.113463][ T7791] Dev nbd4: unable to read RDB block 0 05:03:24 executing program 2: mmap$snddsp_control(&(0x7f0000ffc000/0x3000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x83000000) [ 2067.122571][ T7791] nbd4: unable to read partition table [ 2067.141815][ T7791] ldm_validate_partition_table(): Disk read failed. [ 2067.157106][ T7791] Dev nbd4: unable to read RDB block 0 [ 2067.172493][ T7791] nbd4: unable to read partition table [ 2067.178330][ T7788] block nbd0: shutting down sockets 05:03:24 executing program 2: add_key(&(0x7f0000000100)='ceph\x00', 0x0, &(0x7f0000000000)="ee", 0x1, 0xfffffffffffffffe) [ 2067.229091][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2067.263340][ T6899] Dev nbd4: unable to read RDB block 0 [ 2067.272742][ T6899] nbd4: unable to read partition table [ 2067.310946][ T7791] ldm_validate_partition_table(): Disk read failed. [ 2067.340029][ T7791] Dev nbd4: unable to read RDB block 0 [ 2067.348890][ T7791] nbd4: unable to read partition table [ 2067.370775][ T7795] ldm_validate_partition_table(): Disk read failed. [ 2067.382179][ T7795] Dev nbd4: unable to read RDB block 0 [ 2067.394124][ T7795] nbd4: unable to read partition table [ 2067.428298][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2067.438088][ T6899] Dev nbd4: unable to read RDB block 0 [ 2067.444432][ T6899] nbd4: unable to read partition table [ 2067.454801][ T7801] ldm_validate_partition_table(): Disk read failed. [ 2067.462217][ T7801] Dev nbd4: unable to read RDB block 0 [ 2067.468812][ T7801] nbd4: unable to read partition table [ 2067.758302][ T7774] block nbd5: shutting down sockets [ 2067.764636][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2067.772528][ T7042] Dev nbd5: unable to read RDB block 0 [ 2067.784671][ T7042] nbd5: unable to read partition table [ 2067.793108][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2067.801684][ T7042] Dev nbd5: unable to read RDB block 0 05:03:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127a) 05:03:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x0) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async, rerun: 64) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x30000) (rerun: 64) ioctl$BLKTRACESETUP(r4, 0xc0481273, &(0x7f0000000080)={'\x00', 0xfe01, 0xe77, 0x80000001, 0x400, 0x2, 0xffffffffffffffff}) 05:03:24 executing program 2: r0 = syz_init_net_socket$ax25(0x3, 0x3, 0x0) ioctl$SIOCAX25CTLCON(r0, 0x89e8, &(0x7f0000000240)={@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, 0x0, 0x0, 0x9, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @bcast, @null, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast]}) 05:03:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127e) [ 2067.808310][ T7042] nbd5: unable to read partition table 05:03:24 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@bloom_filter={0x1e, 0x0, 0x0, 0x0, 0x6, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x3}, 0x48) [ 2067.876322][ T7787] block nbd1: Disconnected due to user request. [ 2067.882628][ T7787] block nbd1: shutting down sockets [ 2067.905151][ T6939] block nbd3: Receive control failed (result -32) [ 2067.912334][ T7789] block nbd3: shutting down sockets 05:03:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401070cd) [ 2067.925823][ T7804] nbd4: detected capacity change from 0 to 2050 05:03:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab00) [ 2067.989602][ T7808] block nbd0: shutting down sockets 05:03:25 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@bloom_filter={0x1e, 0x0, 0x0, 0x0, 0x6, 0x1}, 0x48) 05:03:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4a0040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x200000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x206280) 05:03:25 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_TOL(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r1, 0x1, 0x0, 0x0, {{}, {0x0, 0x4108}, {0x14, 0x18, {0x0, @bearer=@udp='udp:syz0\x00'}}}}, 0x30}}, 0x0) [ 2068.121642][ T7814] nbd5: detected capacity change from 0 to 2050 [ 2068.186604][ T7820] block nbd1: NBD_DISCONNECT 05:03:25 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_TOL(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r1, 0x1, 0x0, 0x0, {{}, {0x0, 0x4108}, {0x14, 0x18, {0x0, @bearer=@udp='udp:syz0\x00'}}}}, 0x30}}, 0x0) 05:03:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4a0040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x200000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x206280) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4a0040) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r1, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x200000) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x206280) (async) [ 2068.959078][T28712] block nbd3: Receive control failed (result -32) [ 2068.967443][T27985] block nbd1: Disconnected due to user request. [ 2068.976314][ T7818] block nbd3: shutting down sockets [ 2069.275291][T32633] block nbd4: Possible stuck request ffff88801d6e2200: control (read@0,4096B). Runtime 0 seconds [ 2070.635628][T32633] block nbd4: Possible stuck request ffff88801d6e2200: control (read@0,4096B). Runtime 0 seconds [ 2070.859385][ T7804] block nbd4: shutting down sockets [ 2070.864995][ C0] blk_print_req_error: 255 callbacks suppressed [ 2070.865012][ C0] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.880383][ C0] buffer_io_error: 255 callbacks suppressed [ 2070.880399][ C0] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.896813][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.906337][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.914205][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.925215][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.933100][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.942258][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.950276][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.959479][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.964610][ T7814] block nbd5: shutting down sockets [ 2070.967454][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.982854][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2070.990830][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2070.999961][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2071.008045][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2071.017157][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2071.025149][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2071.031958][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2071.041263][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2071.049366][ C1] I/O error, dev nbd5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2071.058503][ C1] Buffer I/O error on dev nbd5, logical block 0, async page read [ 2071.065221][ T7042] Dev nbd4: unable to read RDB block 0 [ 2071.072429][ T7042] nbd4: unable to read partition table [ 2071.074540][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2071.087582][ T6899] Dev nbd5: unable to read RDB block 0 [ 2071.093151][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2071.093737][ T6899] nbd5: unable to read partition table 05:03:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127b) 05:03:28 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_TOL(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r1, 0x1, 0x0, 0x0, {{}, {0x0, 0x4108}, {0x14, 0x18, {0x0, @bearer=@udp='udp:syz0\x00'}}}}, 0x30}}, 0x0) 05:03:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4a0040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) r1 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x200000) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x206280) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x4a0040) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r1, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x200000) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x206280) (async) [ 2071.100764][ T7042] Dev nbd4: unable to read RDB block 0 [ 2071.111619][ T7042] nbd4: unable to read partition table [ 2071.157164][ T6899] ldm_validate_partition_table(): Disk read failed. 05:03:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x127f) 05:03:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab01) 05:03:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x40186366) 05:03:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = dup(r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x4a000) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2071.200823][ T6899] Dev nbd5: unable to read RDB block 0 [ 2071.236116][ T6899] nbd5: unable to read partition table [ 2071.257720][ T7841] ldm_validate_partition_table(): Disk read failed. 05:03:28 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_TOL(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r1, 0x1, 0x0, 0x0, {{}, {0x0, 0x4108}, {0x14, 0x18, {0x0, @bearer=@udp='udp:syz0\x00'}}}}, 0x30}}, 0x0) [ 2071.305167][ T7841] Dev nbd5: unable to read RDB block 0 [ 2071.328240][ T7841] nbd5: unable to read partition table [ 2071.329025][ T7844] block nbd1: NBD_DISCONNECT [ 2071.345857][ T7847] nbd4: detected capacity change from 0 to 2050 [ 2071.373747][ T7848] ldm_validate_partition_table(): Disk read failed. [ 2071.382642][ T7848] Dev nbd5: unable to read RDB block 0 [ 2071.407938][ T7848] nbd5: unable to read partition table [ 2071.440493][ T7851] ldm_validate_partition_table(): Disk read failed. [ 2071.448101][ T7851] Dev nbd5: unable to read RDB block 0 [ 2071.456934][ T7851] nbd5: unable to read partition table [ 2071.468320][ T7857] block nbd0: shutting down sockets 05:03:28 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_DAT_CACHE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000600)={&(0x7f00000005c0)={0x14, 0x0, 0x5}, 0x14}}, 0x0) [ 2071.535345][ T7841] block nbd5: Device being setup by another task [ 2071.561193][ T7841] ldm_validate_partition_table(): Disk read failed. 05:03:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = dup(r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x4a000) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) (async, rerun: 32) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2071.584370][ T7841] Dev nbd5: unable to read RDB block 0 05:03:28 executing program 2: syz_open_dev$vcsn(&(0x7f0000000080), 0x0, 0x8a02) [ 2071.611370][ T7841] nbd5: unable to read partition table 05:03:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127c) 05:03:28 executing program 2: bpf$BPF_PROG_GET_FD_BY_ID(0x4, 0x0, 0x0) [ 2071.767663][ T7862] block nbd0: shutting down sockets 05:03:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = dup(r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) (async) r3 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x4a000) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2071.860389][ T7866] nbd5: detected capacity change from 0 to 2050 05:03:28 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000400), 0x0, 0x0) ioctl$DRM_IOCTL_MODE_DESTROYPROPBLOB(r0, 0xc00464be, &(0x7f0000000440)) [ 2072.003967][T32633] block nbd4: Possible stuck request ffff88801d6ef400: control (read@0,4096B). Runtime 0 seconds [ 2072.026447][ T7872] block nbd0: shutting down sockets [ 2072.113977][T28712] block nbd1: Disconnected due to user request. [ 2072.120403][ T6939] block nbd3: Receive control failed (result -32) [ 2072.138953][ T7845] block nbd3: shutting down sockets [ 2073.358727][T32633] block nbd4: Possible stuck request ffff88801d6ef400: control (read@0,4096B). Runtime 0 seconds [ 2074.293129][ T7847] block nbd4: shutting down sockets [ 2074.308767][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2074.316388][ T6899] Dev nbd4: unable to read RDB block 0 [ 2074.322467][ T6899] nbd4: unable to read partition table [ 2074.332084][ T6899] ldm_validate_partition_table(): Disk read failed. 05:03:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x4b47) 05:03:31 executing program 2: write$FUSE_LSEEK(0xffffffffffffffff, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000004bc0)='./file0\x00', &(0x7f0000004c00), 0x0, &(0x7f0000004c40)) bpf$MAP_CREATE(0x0, 0x0, 0x0) 05:03:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x4) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:03:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401870c8) 05:03:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab02) [ 2074.340291][ T6899] Dev nbd4: unable to read RDB block 0 [ 2074.346963][ T6899] nbd4: unable to read partition table [ 2074.457449][ T7879] block nbd1: NBD_DISCONNECT 05:03:31 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2074.521400][ T7888] nbd0: detected capacity change from 0 to 8 [ 2074.537942][ T7886] nbd4: detected capacity change from 0 to 2050 05:03:31 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2074.576974][ T27] audit: type=1400 audit(1700197411.544:773): avc: denied { ioctl } for pid=7889 comm="syz-executor.2" path="/dev/vhost-net" dev="devtmpfs" ino=1083 ioctlcmd=0xaf01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 05:03:31 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2074.726749][T32633] block nbd4: Possible stuck request ffff88801d6eb200: control (read@0,4096B). Runtime 0 seconds [ 2074.775667][ T7866] block nbd5: shutting down sockets [ 2074.795143][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2074.807065][ T7240] Dev nbd5: unable to read RDB block 0 [ 2074.813624][ T7240] nbd5: unable to read partition table 05:03:31 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) 05:03:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127d) [ 2074.836515][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2074.843770][ T7240] Dev nbd5: unable to read RDB block 0 [ 2074.850435][ T7240] nbd5: unable to read partition table 05:03:31 executing program 2: ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) 05:03:31 executing program 2: ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) [ 2074.977501][ T7904] nbd5: detected capacity change from 0 to 2050 [ 2075.228391][T27923] block nbd3: Receive control failed (result -32) [ 2075.239945][ T7878] block nbd3: shutting down sockets [ 2075.245039][T28712] block nbd1: Disconnected due to user request. [ 2076.085323][T32633] block nbd4: Possible stuck request ffff88801d6eb200: control (read@0,4096B). Runtime 0 seconds [ 2077.420277][ T7882] block nbd0: shutting down sockets [ 2077.428562][ C0] blk_print_req_error: 202 callbacks suppressed [ 2077.428574][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.443891][ C0] buffer_io_error: 202 callbacks suppressed [ 2077.443908][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.457721][ T7886] block nbd4: shutting down sockets [ 2077.458309][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.472214][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.480769][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.490076][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.498265][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.507573][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.515722][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.524837][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.534514][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.543705][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.551644][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.560755][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.568756][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.578105][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.585970][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2077.592722][ T9] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.601915][ T9] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.609925][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2077.612916][T32633] block nbd4: Possible stuck request ffff88801d6eb200: control (read@0,4096B). Runtime 0 seconds [ 2077.619338][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2077.640581][T10977] ldm_validate_partition_table(): Disk read failed. [ 2077.648451][ T7042] Dev nbd0: unable to read RDB block 0 [ 2077.650689][T10977] Dev nbd4: unable to read RDB block 0 [ 2077.654322][ T7042] nbd0: unable to read partition table [ 2077.660269][T10977] nbd4: unable to read partition table [ 2077.671243][ T7042] nbd0: partition table beyond EOD, truncated [ 2077.690614][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2077.696655][T10977] ldm_validate_partition_table(): Disk read failed. [ 2077.704455][T10977] Dev nbd4: unable to read RDB block 0 [ 2077.708415][ T7042] Dev nbd0: unable to read RDB block 0 05:03:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x4b49) 05:03:34 executing program 2: ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) 05:03:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x4) (async) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:03:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401870cb) 05:03:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab03) [ 2077.717466][T10977] nbd4: unable to read partition table [ 2077.719544][ T7042] nbd0: unable to read partition table [ 2077.729229][ T7042] nbd0: partition table beyond EOD, truncated 05:03:34 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2077.932306][ T7904] block nbd5: shutting down sockets [ 2077.944758][ T7919] block nbd1: NBD_DISCONNECT [ 2077.950445][ T7921] nbd4: detected capacity change from 0 to 2050 [ 2077.956155][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2077.958079][ T7924] block nbd0: shutting down sockets [ 2077.963947][ T6899] Dev nbd5: unable to read RDB block 0 [ 2077.975658][ T6899] nbd5: unable to read partition table 05:03:35 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2078.037601][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2078.065745][ T6899] Dev nbd5: unable to read RDB block 0 05:03:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x4) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x4) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) 05:03:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127e) [ 2078.099966][ T6899] nbd5: unable to read partition table 05:03:35 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) [ 2078.289841][ T7934] nbd5: detected capacity change from 0 to 2050 05:03:35 executing program 2: openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) [ 2078.367201][ T7936] nbd0: detected capacity change from 0 to 8 [ 2078.437497][ T7933] block nbd0: shutting down sockets 05:03:35 executing program 2: openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) [ 2078.461700][ T7936] ldm_validate_partition_table(): Disk read failed. [ 2078.479818][ T7936] Dev nbd0: unable to read RDB block 0 [ 2078.486241][ T7936] nbd0: unable to read partition table [ 2078.492334][ T7936] nbd0: partition table beyond EOD, truncated [ 2078.534813][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2078.562271][ T7240] Dev nbd0: unable to read RDB block 0 [ 2078.585800][ T7240] nbd0: unable to read partition table [ 2078.601115][ T7240] nbd0: partition table beyond EOD, truncated [ 2078.627473][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2078.635565][ T7240] Dev nbd0: unable to read RDB block 0 [ 2078.642594][ T7240] nbd0: unable to read partition table [ 2078.649414][ T7240] nbd0: partition table beyond EOD, truncated [ 2078.676527][ T5102] block nbd3: Receive control failed (result -32) [ 2078.701003][ T7917] block nbd3: shutting down sockets [ 2078.711529][ T6939] block nbd1: Disconnected due to user request. [ 2078.955428][T32633] block nbd4: Possible stuck request ffff88801d6ede00: control (read@0,4096B). Runtime 0 seconds [ 2080.315213][T32633] block nbd4: Possible stuck request ffff88801d6ede00: control (read@0,4096B). Runtime 0 seconds [ 2080.869392][ T7921] block nbd4: shutting down sockets [ 2080.877211][T10977] ldm_validate_partition_table(): Disk read failed. [ 2080.884531][T10977] Dev nbd4: unable to read RDB block 0 [ 2080.890899][T10977] nbd4: unable to read partition table [ 2080.899895][T10977] ldm_validate_partition_table(): Disk read failed. [ 2080.910186][T10977] Dev nbd4: unable to read RDB block 0 05:03:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x541b) 05:03:37 executing program 2: openat$vnet(0xffffffffffffff9c, &(0x7f0000000440), 0x2, 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) 05:03:37 executing program 0: getrusage(0x1f43bf7d2deeccd6, &(0x7f0000000080)) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/tpm_crb', 0x103080, 0x72) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x100000004) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x40500) r5 = fcntl$dupfd(r1, 0x406, r1) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000), r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:03:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab05) 05:03:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401870cc) [ 2080.916484][T10977] nbd4: unable to read partition table [ 2081.026647][ T7951] block nbd1: NBD_DISCONNECT 05:03:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000700)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-cast5-avx\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000001280)="b7f2288a91", 0x5) r1 = accept$alg(r0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000005c0)=[{{0x0, 0xf00, &(0x7f0000000500)=[{&(0x7f0000001800)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x7000000}}], 0x1, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000009c0)=[{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f00000000c0)="00f59b87b4cd3139f400e882e68967b1beb974e40ce3c0c69d3d4553ef3a7d9416d2eff50c1a27eb1169820170940ce5755e55055cc48bdb76872051a133963082d553c4ac8fa76fab9bb313bad4a5aef4bb2780b45ec821ad64c82b7f89f2827a2c48f2a76b0b77f30a74efbff3284267b97d7c02dee7c191278f9a27e6b555a850c5db6baafa64a23ec98fe983a6e3", 0x90}], 0x1, &(0x7f00000002c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) [ 2081.102330][ T7957] block nbd0: shutting down sockets 05:03:38 executing program 0: getrusage(0x1f43bf7d2deeccd6, &(0x7f0000000080)) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0) (async) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/tpm_crb', 0x103080, 0x72) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x100000004) (async) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x100000004) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x40500) r5 = fcntl$dupfd(r1, 0x406, r1) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000), r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2081.144035][ T7955] nbd4: detected capacity change from 0 to 2050 [ 2081.203209][ T7934] block nbd5: shutting down sockets [ 2081.227068][T24863] ldm_validate_partition_table(): Disk read failed. [ 2081.251885][T24863] Dev nbd5: unable to read RDB block 0 [ 2081.264171][T24863] nbd5: unable to read partition table 05:03:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x127f) [ 2081.288034][T24863] ldm_validate_partition_table(): Disk read failed. [ 2081.302194][T24863] Dev nbd5: unable to read RDB block 0 [ 2081.310525][T24863] nbd5: unable to read partition table 05:03:38 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x3a, &(0x7f0000000240)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x3, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000000000000000080eff95"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) ioctl$int_out(0xffffffffffffffff, 0x5460, &(0x7f00000006c0)) socket(0x10, 0x803, 0x0) r4 = bpf$MAP_CREATE(0x0, &(0x7f00000005c0)=@base={0xb, 0x4, 0x0, 0x81, 0x100, 0xffffffffffffffff, 0x4, '\x00', 0x0, r3, 0x1, 0x1, 0x4}, 0x48) r5 = socket(0x1e, 0x1, 0x0) connect$tipc(r5, &(0x7f0000000000)=@name={0x1e, 0x2, 0x0, {{0x1, 0x1}}}, 0x10) write$binfmt_misc(r5, &(0x7f0000000080)=ANY=[], 0x2000011a) recvmmsg(r5, &(0x7f0000001180)=[{{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000400)=""/214, 0xd6}], 0x1}, 0x100}, {{&(0x7f0000000640)=@ax25={{0x3, @null}, [@remote, @bcast, @remote, @null, @null, @bcast, @null, @bcast]}, 0x80, 0x0, 0x0, &(0x7f0000000a80)=""/180, 0xb4}, 0x1}, {{&(0x7f0000000b40)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote}}}, 0x80, &(0x7f0000001100)}, 0xfb76}, {{0x0, 0x0, &(0x7f00000014c0), 0x0, &(0x7f0000001540)=""/100, 0x64}, 0x1ff}, {{&(0x7f00000015c0)=@generic, 0x80, &(0x7f0000001a80)=[{0x0}, {&(0x7f00000016c0)=""/229, 0xe5}, {&(0x7f00000017c0)=""/43, 0x2b}, {&(0x7f0000001900)=""/117, 0x75}, {0x0}], 0x5, &(0x7f0000001b00)=""/200, 0xc8}}, {{0x0, 0x0, &(0x7f0000002c00), 0x0, &(0x7f0000000900)=""/68, 0x44}, 0x1fc}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000005000)=""/147, 0x93}, 0x10001}], 0x7, 0x0, 0x0) sendmsg$nl_route_sched(r4, &(0x7f0000000800)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)=@newtaction={0x14, 0x30, 0x10, 0x70bd25, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4008885}, 0x90) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)=@getrule={0x14, 0x22, 0x820, 0x70bd29, 0x25dfdbfb, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40000014}, 0x4010) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, 0x0, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) [ 2081.358127][ T7965] block nbd0: shutting down sockets 05:03:38 executing program 0: getrusage(0x1f43bf7d2deeccd6, &(0x7f0000000080)) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/tpm_crb', 0x103080, 0x72) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x100000004) ioctl$NBD_DISCONNECT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x40500) r5 = fcntl$dupfd(r1, 0x406, r1) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000), r5) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) getrusage(0x1f43bf7d2deeccd6, &(0x7f0000000080)) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/keys\x00', 0x0, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/tpm_crb', 0x103080, 0x72) (async) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x100000004) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x40500) (async) fcntl$dupfd(r1, 0x406, r1) (async) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000), r5) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) [ 2081.450241][ T7971] nbd5: detected capacity change from 0 to 2050 [ 2081.621658][ T27] audit: type=1400 audit(1700197418.514:774): avc: denied { connect } for pid=7970 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 2081.824668][ T6939] block nbd3: Receive control failed (result -32) [ 2081.861316][ T7951] block nbd1: Disconnected due to user request. [ 2081.958045][ T7952] block nbd3: shutting down sockets [ 2082.027040][ T7951] block nbd1: shutting down sockets 05:03:39 executing program 2: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) socket$caif_seqpacket(0x25, 0x5, 0x4) 05:03:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab06) [ 2082.336359][T32633] block nbd4: Possible stuck request ffff88801d6e3600: control (read@0,4096B). Runtime 0 seconds [ 2082.436963][ T7981] block nbd0: shutting down sockets [ 2083.300113][ T5102] block nbd3: Receive control failed (result -32) [ 2083.311681][ T7983] block nbd3: shutting down sockets [ 2083.675474][T32633] block nbd4: Possible stuck request ffff88801d6e3600: control (read@0,4096B). Runtime 0 seconds [ 2084.013285][ T7955] block nbd4: shutting down sockets [ 2084.019135][ C1] blk_print_req_error: 223 callbacks suppressed [ 2084.019147][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.034525][ C1] buffer_io_error: 223 callbacks suppressed [ 2084.034535][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.048428][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.057910][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.066281][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.075890][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.085873][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.095821][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.103849][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.113036][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.120954][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.130101][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.138027][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.147182][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.157031][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.167519][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.175427][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2084.182459][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2084.192283][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.200470][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 05:03:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x5421) 05:03:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x401c5820) 05:03:41 executing program 2: r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000040)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}}}, 0x3a) 05:03:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000300)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) 05:03:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab07) [ 2084.212722][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2084.220990][ T7240] Dev nbd4: unable to read RDB block 0 [ 2084.227494][ T7240] nbd4: unable to read partition table [ 2084.239314][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2084.246513][ T7240] Dev nbd4: unable to read RDB block 0 [ 2084.252392][ T7240] nbd4: unable to read partition table 05:03:41 executing program 2: syz_usb_connect$hid(0x6, 0x36, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5ac, 0x230, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, {0x9}}}]}}]}}, 0x0) [ 2084.367010][ T7993] block nbd1: NBD_DISCONNECT [ 2084.390772][ T7971] block nbd5: shutting down sockets [ 2084.400893][ T7999] block nbd0: shutting down sockets [ 2084.437669][ T7998] nbd4: detected capacity change from 0 to 2050 [ 2084.453888][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2084.463164][ T7042] Dev nbd5: unable to read RDB block 0 [ 2084.473382][ T7042] nbd5: unable to read partition table 05:03:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000300)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000300)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) (async) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x3) (async) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) (async) [ 2084.494601][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2084.502614][ T7042] Dev nbd5: unable to read RDB block 0 [ 2084.502696][ T7995] block nbd0: server does not support multiple connections per device. [ 2084.511189][ T7042] nbd5: unable to read partition table 05:03:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x4b47) [ 2084.625493][ T8005] block nbd0: shutting down sockets [ 2084.692677][ T8005] block nbd0: server does not support multiple connections per device. [ 2084.694634][ T8007] nbd5: detected capacity change from 0 to 2050 05:03:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000000300)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x3) (async, rerun: 32) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) (rerun: 32) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r5, 0xab03) (async) r6 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 2084.825248][ T8013] block nbd0: shutting down sockets 05:03:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2084.897776][ T8014] block nbd0: server does not support multiple connections per device. 05:03:41 executing program 2: r0 = socket$rds(0x15, 0x5, 0x0) sendmsg$rds(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000280)=[{0x0}, {0x0}], 0x2, &(0x7f00000003c0)=[@mask_cswp={0x58, 0x114, 0x9, {{}, 0x0, 0x0}}], 0x58}, 0x0) 05:03:42 executing program 2: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f00000000c0)={'ip6tnl0\x00', &(0x7f0000000000)={'ip6tnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local, @loopback}}) [ 2084.992311][ T27] audit: type=1400 audit(1700197421.954:775): avc: denied { write } for pid=8018 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rds_socket permissive=1 [ 2085.040595][T32633] block nbd4: Possible stuck request ffff88801d6ea800: control (read@0,4096B). Runtime 0 seconds [ 2085.041586][ T8020] block nbd0: shutting down sockets [ 2085.147756][T27985] block nbd1: Disconnected due to user request. [ 2085.150679][T27923] block nbd3: Receive control failed (result -32) [ 2085.162458][ T7989] block nbd3: shutting down sockets [ 2086.405196][T32633] block nbd4: Possible stuck request ffff88801d6ea800: control (read@0,4096B). Runtime 0 seconds [ 2087.361431][ T7998] block nbd4: shutting down sockets [ 2087.377666][ T7240] ldm_validate_partition_table(): Disk read failed. [ 2087.384719][ T7240] Dev nbd4: unable to read RDB block 0 [ 2087.390946][ T7240] nbd4: unable to read partition table [ 2087.401053][ T7240] ldm_validate_partition_table(): Disk read failed. 05:03:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x5450) 05:03:44 executing program 2: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000080)={'ip6gre0\x00', &(0x7f0000000000)={'syztnl2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @private1, @remote}}) 05:03:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:03:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x4020940d) 05:03:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab08) [ 2087.408371][ T7240] Dev nbd4: unable to read RDB block 0 [ 2087.414321][ T7240] nbd4: unable to read partition table [ 2087.519689][ T8028] block nbd0: shutting down sockets [ 2087.534194][ T8029] block nbd1: NBD_DISCONNECT 05:03:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f0000001440), r0) 05:03:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2087.597002][ T8035] block nbd3: NBD_DISCONNECT [ 2087.625139][ T8034] nbd4: detected capacity change from 0 to 2050 [ 2087.625812][ T8007] block nbd5: shutting down sockets [ 2087.675398][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2087.683727][ T7042] Dev nbd5: unable to read RDB block 0 [ 2087.690462][ T7042] nbd5: unable to read partition table [ 2087.712177][ T7042] ldm_validate_partition_table(): Disk read failed. 05:03:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x4b49) 05:03:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000200)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(camellia)\x00'}, 0x59) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000001c0)="0a0775b005e381e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000c40)=[{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f00000002c0)='7', 0x1}], 0x1}], 0x1, 0x0) recvmmsg(r1, &(0x7f0000000780)=[{{0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000080)=""/147, 0x93}], 0x1}}], 0x1, 0x400000c0, 0x0) [ 2087.730552][ T7042] Dev nbd5: unable to read RDB block 0 [ 2087.736898][ T7042] nbd5: unable to read partition table [ 2087.757928][T32633] block nbd4: Possible stuck request ffff88801d6e5600: control (read@0,4096B). Runtime 0 seconds [ 2087.758651][ T8042] block nbd0: shutting down sockets 05:03:44 executing program 2: setsockopt$inet6_IPV6_ADDRFORM(0xffffffffffffffff, 0x29, 0x1, 0x0, 0x0) setsockopt$inet6_IPV6_PKTINFO(0xffffffffffffffff, 0x29, 0x32, 0x0, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000280), 0xffffffffffffffff) syz_usb_connect$uac1(0x0, 0x0, 0x0, 0x0) openat$full(0xffffffffffffff9c, 0x0, 0x280, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000002480), 0xffffffffffffffff) socket(0x0, 0x0, 0x7) getsockopt$IP6T_SO_GET_ENTRIES(0xffffffffffffffff, 0x29, 0x41, &(0x7f0000002540)={'filter\x00'}, &(0x7f0000002680)=0x24) openat$snapshot(0xffffffffffffff9c, &(0x7f0000002980), 0x105001, 0x0) 05:03:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendfile(r2, r2, &(0x7f0000000000), 0x9f6c) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 2087.858568][ T8045] nbd5: detected capacity change from 0 to 2050 [ 2087.960033][ T8049] random: crng reseeded on system resumption [ 2087.960533][ T27] audit: type=1400 audit(1700197424.924:776): avc: denied { write } for pid=8048 comm="syz-executor.2" name="snapshot" dev="devtmpfs" ino=92 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:acpi_bios_t tclass=chr_file permissive=1 05:03:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendfile(r2, r2, &(0x7f0000000000), 0x9f6c) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) sendfile(r2, r2, &(0x7f0000000000), 0x9f6c) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r3, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) [ 2088.056667][ T8054] block nbd0: shutting down sockets [ 2088.201586][ T8057] block nbd0: shutting down sockets [ 2088.307668][T27923] block nbd3: Disconnected due to user request. [ 2088.324784][ T5102] block nbd1: Disconnected due to user request. [ 2088.645792][ T6939] block nbd5: Receive control failed (result -104) [ 2089.126656][T32633] block nbd4: Possible stuck request ffff88801d6e5600: control (read@0,4096B). Runtime 0 seconds [ 2090.475412][T32633] block nbd4: Possible stuck request ffff88801d6e5600: control (read@0,4096B). Runtime 0 seconds [ 2090.518239][ T8034] block nbd4: shutting down sockets [ 2090.523664][ C1] blk_print_req_error: 138 callbacks suppressed [ 2090.523675][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.539024][ C1] buffer_io_error: 138 callbacks suppressed [ 2090.539034][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.552896][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.562034][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.570138][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.582955][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.591395][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.600632][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.608695][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.617918][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.627078][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.637617][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.645814][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.655115][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.663123][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.673691][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.682201][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2090.689086][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.698490][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.706595][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2090.715956][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2090.724116][ T6899] Dev nbd4: unable to read RDB block 0 [ 2090.730247][ T6899] nbd4: unable to read partition table [ 2090.751161][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2090.758542][ T6899] Dev nbd4: unable to read RDB block 0 05:03:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x5451) 05:03:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) sendfile(r2, r2, &(0x7f0000000000), 0x9f6c) (async) sendfile(r2, r2, &(0x7f0000000000), 0x9f6c) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) (async) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 05:03:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab09) 05:03:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80041284) 05:03:47 executing program 2: syz_mount_image$xfs(&(0x7f0000009600), &(0x7f0000009640)='./file0\x00', 0x200800, &(0x7f0000000080)=ANY=[@ANYBLOB="70716e6f656e666f7263652c00752bb6a96d3c1f298d2453c6242f1c605a545bfe19a1c412963c57a71f13338668f4a4d16eb1c9669c019035768922c3f5d62044c9d4c6b6bb86653394c15a6f922f669da8636143f443d359146a9c338dd73e34ecf2b4b3f7b29127"], 0x4, 0x95d1, &(0x7f00000096c0)="$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open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r0 = open(&(0x7f0000007f80)='./bus\x00', 0x145542, 0x0) ftruncate(r0, 0x2007ffd) r1 = open(&(0x7f0000000180)='./file2\x00', 0x1cd842, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x4020940d, &(0x7f0000000000)={0x4}) r2 = open(&(0x7f0000002000)='./bus\x00', 0x14f942, 0x0) r3 = open(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) sendfile(r2, r3, 0x0, 0x1000000201004) 05:03:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x541b) [ 2090.764460][ T6899] nbd4: unable to read partition table [ 2090.877187][ T8068] block nbd1: NBD_DISCONNECT 05:03:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1a1000) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2090.939199][ T8072] nbd4: detected capacity change from 0 to 2050 [ 2090.967033][ T8067] block nbd0: shutting down sockets [ 2091.185915][ T8083] block nbd0: shutting down sockets [ 2091.206504][ T8082] nbd0: detected capacity change from 0 to 18 [ 2091.235697][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2091.243021][ T6899] Dev nbd0: unable to read RDB block 0 [ 2091.249061][ T6899] nbd0: unable to read partition table 05:03:48 executing program 0: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1a1000) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1a1000) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2091.260178][ T6899] nbd0: partition table beyond EOD, truncated [ 2091.276547][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2091.283775][ T6899] Dev nbd0: unable to read RDB block 0 [ 2091.290075][ T6899] nbd0: unable to read partition table [ 2091.297530][ T6899] nbd0: partition table beyond EOD, truncated [ 2091.458028][ T8086] block nbd0: shutting down sockets [ 2091.485531][ T8085] nbd0: detected capacity change from 0 to 18 [ 2091.493884][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2091.501990][ T6899] Dev nbd0: unable to read RDB block 0 [ 2091.511604][ T8069] loop2: detected capacity change from 0 to 32768 [ 2091.518712][ T6899] nbd0: unable to read partition table [ 2091.524458][ T6899] nbd0: partition table beyond EOD, truncated 05:03:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1a1000) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x9) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2091.550446][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2091.571881][ T6899] Dev nbd0: unable to read RDB block 0 [ 2091.575246][ T8069] XFS (loop2): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 2091.585609][ T6899] nbd0: unable to read partition table [ 2091.592933][ T6899] nbd0: partition table beyond EOD, truncated 05:03:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xb) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:03:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab0a) [ 2091.645374][ T6939] block nbd3: Receive control failed (result -32) [ 2091.654649][ T8061] block nbd3: shutting down sockets [ 2091.666682][ T8068] block nbd1: Disconnected due to user request. [ 2091.681287][ T8068] block nbd1: shutting down sockets 05:03:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80041285) [ 2091.772958][ T8069] XFS (loop2): Ending clean mount [ 2091.793897][ T8069] XFS (loop2): Quotacheck needed: Please wait. [ 2091.845425][T32633] block nbd4: Possible stuck request ffff88801d6e0c00: control (read@0,4096B). Runtime 0 seconds [ 2091.867135][ T8105] block nbd1: NBD_DISCONNECT [ 2091.873771][ T8069] XFS (loop2): Quotacheck: Done. [ 2091.881805][ T8106] block nbd0: shutting down sockets [ 2091.901740][ T27] audit: type=1800 audit(1700197428.864:777): pid=8069 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=collect_data cause=failed(directio) comm="syz-executor.2" name="file2" dev="loop2" ino=9287 res=0 errno=0 [ 2091.958310][ T27] audit: type=1804 audit(1700197428.924:778): pid=8069 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir2565133008/syzkaller.uJES02/2213/file0/bus" dev="loop2" ino=9290 res=1 errno=0 [ 2092.147468][ T5101] XFS (loop2): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 [ 2092.638020][ T6939] block nbd3: Receive control failed (result -32) [ 2092.651712][ T8103] block nbd3: shutting down sockets [ 2092.655900][ T5102] block nbd1: Disconnected due to user request. [ 2093.205045][T32633] block nbd4: Possible stuck request ffff88801d6e0c00: control (read@0,4096B). Runtime 0 seconds [ 2093.882227][ T8072] block nbd4: shutting down sockets [ 2093.893765][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2093.901387][ T7042] Dev nbd4: unable to read RDB block 0 [ 2093.907894][ T7042] nbd4: unable to read partition table [ 2093.920326][ T7042] ldm_validate_partition_table(): Disk read failed. 05:03:50 executing program 2: openat$full(0xffffffffffffff9c, &(0x7f0000002700), 0x80502, 0x0) 05:03:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xb) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xb) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) 05:03:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0xab10) 05:03:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80081270) 05:03:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x5452) [ 2093.929864][ T7042] Dev nbd4: unable to read RDB block 0 [ 2093.936247][ T7042] nbd4: unable to read partition table [ 2094.091794][ T8115] block nbd1: NBD_DISCONNECT [ 2094.092234][ T8117] nbd4: detected capacity change from 0 to 2050 [ 2094.144390][ T8120] block nbd0: shutting down sockets [ 2094.574624][T32633] block nbd4: Possible stuck request ffff88801d6e4600: control (read@0,4096B). Runtime 0 seconds [ 2094.866430][ T6939] block nbd1: Disconnected due to user request. [ 2094.887973][T27985] block nbd3: Receive control failed (result -32) [ 2094.895996][ T8118] block nbd3: shutting down sockets [ 2095.923569][T32633] block nbd4: Possible stuck request ffff88801d6e4600: control (read@0,4096B). Runtime 0 seconds [ 2097.013737][ T8117] block nbd4: shutting down sockets [ 2097.019468][ C1] blk_print_req_error: 134 callbacks suppressed [ 2097.019480][ C1] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.034853][ C1] buffer_io_error: 134 callbacks suppressed [ 2097.034863][ C1] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.049136][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.059787][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.067842][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.076975][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.084877][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.094742][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.102939][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.112432][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.120675][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.129784][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.137808][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.146936][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.154783][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.169941][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.177856][T10977] ldm_validate_partition_table(): Disk read failed. [ 2097.184608][T31661] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.194412][T31661] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.202892][T32633] I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2097.212321][T32633] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2097.223213][T10977] Dev nbd4: unable to read RDB block 0 [ 2097.231392][T10977] nbd4: unable to read partition table [ 2097.241638][T10977] ldm_validate_partition_table(): Disk read failed. [ 2097.248625][T10977] Dev nbd4: unable to read RDB block 0 [ 2097.254476][T10977] nbd4: unable to read partition table [ 2099.277860][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 05:04:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x5421) 05:04:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xb) (async, rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 05:04:42 executing program 2: syz_usb_connect$uac1(0x0, 0x9d, &(0x7f0000001f80)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x8, 0x1d6b, 0x101, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x8b, 0x3, 0x1, 0x0, 0x0, 0x0, {{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, {{}, [@output_terminal={0x9}, @input_terminal={0xc}, @selector_unit={0x7, 0x24, 0x5, 0x0, 0x0, "8fed"}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x0, 0x0, 0x9, 0x1, {0x7, 0x25, 0x1, 0x0, 0x0, 0x7f0a}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@format_type_i_discrete={0x8}, @format_type_i_discrete={0x8}]}, {{0x9, 0x5, 0x82, 0x9, 0x0, 0x4, 0x8, 0x0, {0x7}}}}}}}]}}, 0x0) 05:04:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80081272) 05:04:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x400448c9) 05:04:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x5460) [ 2145.890439][ T8131] nbd4: detected capacity change from 0 to 2050 [ 2145.893000][ T8137] block nbd0: shutting down sockets [ 2145.897151][ T8135] block nbd1: NBD_DISCONNECT 05:04:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20000) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2146.135213][T15830] usb 3-1: new high-speed USB device number 18 using dummy_hcd [ 2146.234606][ T8143] block nbd0: shutting down sockets 05:04:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20000) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2146.384953][T15830] usb 3-1: Using ep0 maxpacket: 8 [ 2146.415797][ T8146] block nbd0: shutting down sockets 05:04:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async, rerun: 32) ioctl$NBD_DISCONNECT(r2, 0xab03) (rerun: 32) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x20000) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2146.515267][T15830] usb 3-1: config 1 interface 1 altsetting 1 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 2146.538863][T15830] usb 3-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid wMaxPacketSize 0 [ 2146.575195][T15830] usb 3-1: config 1 interface 2 altsetting 1 endpoint 0x82 has invalid wMaxPacketSize 0 [ 2146.593335][T15830] usb 3-1: config 1 interface 1 has no altsetting 0 05:04:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x612) [ 2146.669083][T27985] block nbd1: Disconnected due to user request. [ 2146.677104][ T6939] block nbd3: Receive control failed (result -32) [ 2146.684759][ T8133] block nbd3: shutting down sockets 05:04:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x400448dd) 05:04:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80081280) [ 2146.775140][T15830] usb 3-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 2146.784239][T15830] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2146.817536][T15830] usb 3-1: Product: syz [ 2146.821749][T15830] usb 3-1: Manufacturer: syz [ 2146.847953][T15830] usb 3-1: SerialNumber: syz [ 2146.856826][ T8156] block nbd1: NBD_DISCONNECT [ 2146.887611][ T8153] block nbd0: shutting down sockets [ 2146.903753][ T8153] nbd0: detected capacity change from 0 to 3108 [ 2146.922875][T31661] blk_print_req_error: 27 callbacks suppressed [ 2146.922893][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2146.938545][T31661] buffer_io_error: 27 callbacks suppressed [ 2146.938559][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2146.957553][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2146.968118][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2146.976865][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2146.989610][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2146.997724][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.006920][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.015123][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.024277][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.032485][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.041676][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.049780][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.061831][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.069984][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.079272][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.087163][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2147.095410][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.104485][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.112572][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2147.130455][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2147.139222][ T6899] Dev nbd0: unable to read RDB block 0 [ 2147.154399][ T6899] nbd0: unable to read partition table [ 2147.201350][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2147.231514][ T6899] Dev nbd0: unable to read RDB block 0 [ 2147.248998][ T6899] nbd0: unable to read partition table [ 2147.287095][T31661] block nbd4: Possible stuck request ffff88801d6eb200: control (read@0,4096B). Runtime 0 seconds [ 2147.301634][T15830] usb 3-1: USB disconnect, device number 18 [ 2147.384051][ T6899] udevd[6899]: error opening ATTR{/sys/devices/platform/dummy_hcd.2/usb3/3-1/3-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 2147.654860][T27985] block nbd1: Disconnected due to user request. [ 2147.658008][T27923] block nbd3: Receive control failed (result -32) [ 2147.685945][ T8155] block nbd3: shutting down sockets [ 2148.635700][T31661] block nbd4: Possible stuck request ffff88801d6eb200: control (read@0,4096B). Runtime 0 seconds [ 2148.825136][ T8131] block nbd4: shutting down sockets [ 2148.835168][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2148.842406][ T7042] Dev nbd4: unable to read RDB block 0 [ 2148.849251][ T7042] nbd4: unable to read partition table [ 2148.869219][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2148.880142][ T7042] Dev nbd4: unable to read RDB block 0 [ 2148.886664][ T7042] nbd4: unable to read partition table [ 2149.049746][ T27] audit: type=1400 audit(1700197486.014:779): avc: denied { mounton } for pid=8162 comm="syz-executor.5" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 2149.068358][T27923] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 2149.088545][T27923] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 2149.100836][T27923] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 2149.109666][T27923] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 2149.122961][T27923] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 2149.130473][T27923] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 2149.149973][ T27] audit: type=1400 audit(1700197486.114:780): avc: denied { mounton } for pid=8162 comm="syz-executor.5" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 2149.346320][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 2149.442565][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 2149.449815][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 2149.457088][ T8162] bridge_slave_0: entered allmulticast mode [ 2149.464368][ T8162] bridge_slave_0: entered promiscuous mode [ 2149.472811][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 2149.480206][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 2149.487619][ T8162] bridge_slave_1: entered allmulticast mode [ 2149.497046][ T8162] bridge_slave_1: entered promiscuous mode [ 2149.536974][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2149.550789][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2149.593713][ T8162] team0: Port device team_slave_0 added [ 2149.605292][ T8162] team0: Port device team_slave_1 added [ 2149.642976][ T8162] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 2149.650105][ T8162] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 2149.676269][ T8162] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 2149.690672][ T8162] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 2149.698054][ T8162] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 2149.725742][ T8162] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 2149.783123][ T8162] hsr_slave_0: entered promiscuous mode [ 2149.791938][ T8162] hsr_slave_1: entered promiscuous mode [ 2149.798833][ T8162] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 2149.806785][ T8162] Cannot create hsr debugfs directory [ 2149.961157][ T8162] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2150.079836][ T8162] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2150.193929][ T8162] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2150.319151][ T8162] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2150.518935][ T8162] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 2150.529437][ T8162] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 2150.544193][ T8162] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 2150.555952][ T8162] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 2150.659923][ T8162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 2150.689762][ T8162] 8021q: adding VLAN 0 to HW filter on device team0 [ 2150.703328][ T6876] bridge0: port 1(bridge_slave_0) entered blocking state [ 2150.710492][ T6876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2150.728372][ T1140] bridge0: port 2(bridge_slave_1) entered blocking state [ 2150.735517][ T1140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2150.792387][ T8162] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 2150.950529][ T8162] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 2151.180920][ T8162] veth0_vlan: entered promiscuous mode [ 2151.191945][ T8162] veth1_vlan: entered promiscuous mode [ 2151.205352][T27923] Bluetooth: hci6: command 0x0409 tx timeout [ 2151.235469][ T8162] veth0_macvtap: entered promiscuous mode [ 2151.252871][ T8162] veth1_macvtap: entered promiscuous mode [ 2151.280890][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2151.296114][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.306644][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2151.317178][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.327580][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2151.338123][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.348052][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2151.361633][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.377819][ T8162] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 2151.398181][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2151.408887][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.419709][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2151.430594][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.440538][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2151.451019][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.461910][ T8162] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2151.472483][ T8162] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2151.487718][ T8162] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 2151.505582][ T8162] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 2151.514300][ T8162] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 2151.524770][ T8162] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 2151.535250][ T8162] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 2151.637299][ T1081] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2151.657501][ T1081] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2151.700527][ T6876] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2151.708667][ T6876] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2151.729035][ T27] audit: type=1400 audit(1700197488.694:781): avc: denied { mounton } for pid=8162 comm="syz-executor.5" path="/dev/binderfs" dev="devtmpfs" ino=2323 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 2153.285438][T27923] Bluetooth: hci6: command 0x041b tx timeout [ 2154.796679][ T4513] udevd[4513]: worker [7240] /devices/virtual/block/nbd5 is taking a long time [ 2155.365499][T27923] Bluetooth: hci6: command 0x040f tx timeout [ 2157.435492][T27923] Bluetooth: hci6: command 0x0419 tx timeout [ 2160.719722][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 05:05:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0x5450) 05:05:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x0) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab03) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x0) dup3(0xffffffffffffffff, r0, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab03) connect(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0x8933) 05:05:43 executing program 0: syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x612) 05:05:43 executing program 2: syz_usb_connect$uac1(0x0, 0x9d, &(0x7f0000001f80)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x8, 0x1d6b, 0x101, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x8b, 0x3, 0x1, 0x0, 0x0, 0x0, {{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, {{}, [@output_terminal={0x9}, @input_terminal={0xc}, @selector_unit={0x7, 0x24, 0x5, 0x0, 0x0, "8fed"}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x0, 0x0, 0x9, 0x1, {0x7, 0x25, 0x1, 0x0, 0x0, 0x7f0a}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@format_type_i_discrete={0x8}, @format_type_i_discrete={0x8}]}, {{0x9, 0x5, 0x82, 0x9, 0x0, 0x4, 0x8, 0x0, {0x7}}}}}}}]}}, 0x0) 05:05:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80086301) 05:05:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x400454ca) [ 2206.919449][ T8200] nbd4: detected capacity change from 0 to 2050 [ 2206.935785][ T8202] block nbd0: Device being setup by another task [ 2206.956809][ T8203] block nbd1: NBD_DISCONNECT [ 2207.021787][ T8202] block nbd0: shutting down sockets [ 2207.049720][ T8198] nbd0: detected capacity change from 0 to 3108 05:05:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x612) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) (async) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x612) (async) [ 2207.165462][T15830] usb 3-1: new high-speed USB device number 19 using dummy_hcd [ 2207.358016][ T8210] block nbd0: shutting down sockets [ 2207.381386][ T8209] nbd0: detected capacity change from 0 to 3108 [ 2207.394816][T32633] blk_print_req_error: 61 callbacks suppressed [ 2207.394834][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.418517][T32633] buffer_io_error: 60 callbacks suppressed [ 2207.418534][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.435238][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.444329][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.452254][T15830] usb 3-1: Using ep0 maxpacket: 8 [ 2207.458255][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.467836][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.483445][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.493869][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.502345][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.511743][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.521504][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.530835][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.539102][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.548546][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.556794][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.566131][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.573922][ T8209] ldm_validate_partition_table(): Disk read failed. [ 2207.584014][T32633] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.593514][T32633] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.603570][T31661] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 2207.613358][T31661] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2207.622578][ T8209] Dev nbd0: unable to read RDB block 0 [ 2207.628541][T15830] usb 3-1: config 1 interface 1 altsetting 1 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 2207.641487][T15830] usb 3-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid wMaxPacketSize 0 [ 2207.641970][ T8209] nbd0: unable to read partition table [ 2207.651781][T15830] usb 3-1: config 1 interface 2 altsetting 1 endpoint 0x82 has invalid wMaxPacketSize 0 05:05:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x21c040) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2207.681464][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2207.689278][ T7042] Dev nbd0: unable to read RDB block 0 [ 2207.695510][ T5102] block nbd3: Receive control failed (result -32) [ 2207.703510][ T7042] nbd0: unable to read partition table [ 2207.703948][ T8201] block nbd3: shutting down sockets [ 2207.710158][T15830] usb 3-1: config 1 interface 1 has no altsetting 0 [ 2207.732251][ T6939] block nbd1: Disconnected due to user request. 05:05:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="18000000000000000000000000ed000095"], &(0x7f00000000c0)='syzkaller\x00'}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000004c0)='contention_begin\x00', r4}, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$NBD_CLEAR_SOCK(r3, 0x40049409) 05:05:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x800) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_DISCONNECT(r2, 0xab03) syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000240)={0x11, 0x3, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0}, 0x90) ioctl$NBD_DISCONNECT(r0, 0x80086601) [ 2207.768652][ T7042] ldm_validate_partition_table(): Disk read failed. [ 2207.788443][ T7042] Dev nbd0: unable to read RDB block 0 [ 2207.798403][ T7042] nbd0: unable to read partition table 05:05:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) (async) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x21c040) (async) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) ioctl$NBD_DISCONNECT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2207.870006][ T8214] block nbd0: shutting down sockets [ 2207.896470][ T8218] block nbd1: NBD_DISCONNECT [ 2207.905493][T15830] usb 3-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 2207.914562][T15830] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2207.934513][T15830] usb 3-1: Product: syz [ 2207.942088][T15830] usb 3-1: Manufacturer: syz [ 2207.960889][T15830] usb 3-1: SerialNumber: syz 05:05:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x21c040) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x3) (async) ioctl$NBD_DISCONNECT(r2, 0xab03) (async, rerun: 32) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) (rerun: 32) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2208.016351][ T8220] block nbd0: shutting down sockets [ 2208.101976][ T8226] block nbd0: shutting down sockets [ 2208.335467][T31661] block nbd4: Possible stuck request ffff88801d6efc00: control (read@0,4096B). Runtime 0 seconds [ 2208.372398][T15830] usb 3-1: USB disconnect, device number 19 [ 2208.435811][ T7042] udevd[7042]: error opening ATTR{/sys/devices/platform/dummy_hcd.2/usb3/3-1/3-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 2208.688745][ T5102] block nbd3: Receive control failed (result -32) [ 2208.697956][ T6939] block nbd1: Disconnected due to user request. [ 2208.706409][ T8215] block nbd3: shutting down sockets [ 2208.787363][ T5102] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 2208.800077][ T5102] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 2208.816214][ T5102] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 2208.828427][ T5102] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 2208.842075][ T5102] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 2208.849897][ T5102] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 2209.097925][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 2209.206554][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 2209.213825][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 2209.222111][ T8230] bridge_slave_0: entered allmulticast mode [ 2209.230054][ T8230] bridge_slave_0: entered promiscuous mode [ 2209.238515][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 2209.245765][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 2209.253015][ T8230] bridge_slave_1: entered allmulticast mode [ 2209.261256][ T8230] bridge_slave_1: entered promiscuous mode [ 2209.320741][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2209.333361][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2209.379251][ T8230] team0: Port device team_slave_0 added [ 2209.392936][ T8230] team0: Port device team_slave_1 added [ 2209.440513][ T8230] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 2209.447606][ T8230] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 2209.473710][ T8230] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 2209.488084][ T8230] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 2209.496952][ T8230] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 2209.524583][ T8230] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 2209.583402][ T8230] hsr_slave_0: entered promiscuous mode [ 2209.589970][ T8230] hsr_slave_1: entered promiscuous mode [ 2209.597332][ T8230] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 2209.606953][ T8230] Cannot create hsr debugfs directory [ 2209.675527][T31661] block nbd4: Possible stuck request ffff88801d6efc00: control (read@0,4096B). Runtime 0 seconds [ 2209.786356][ T8230] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2209.813650][ T8200] block nbd4: shutting down sockets [ 2209.820209][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2209.827900][ T6899] Dev nbd4: unable to read RDB block 0 [ 2209.835709][ T6899] nbd4: unable to read partition table [ 2209.858504][ T6899] ldm_validate_partition_table(): Disk read failed. [ 2209.865835][ T6899] Dev nbd4: unable to read RDB block 0 [ 2209.872059][ T6899] nbd4: unable to read partition table [ 2209.912455][ T8230] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2210.048822][ T8230] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2210.172339][ T8230] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 2210.374051][ T8230] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 2210.385914][ T8230] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 2210.396752][ T8230] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 2210.411442][ T8230] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 2210.528888][ T8230] 8021q: adding VLAN 0 to HW filter on device bond0 [ 2210.562833][ T8230] 8021q: adding VLAN 0 to HW filter on device team0 [ 2210.577513][T21078] bridge0: port 1(bridge_slave_0) entered blocking state [ 2210.584987][T21078] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2210.607905][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 2210.615061][ T8170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2210.833589][ T8230] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 2210.888490][T27923] Bluetooth: hci7: command 0x0409 tx timeout [ 2211.072210][ T8230] veth0_vlan: entered promiscuous mode [ 2211.088722][ T8230] veth1_vlan: entered promiscuous mode [ 2211.132667][ T8230] veth0_macvtap: entered promiscuous mode [ 2211.143948][ T8230] veth1_macvtap: entered promiscuous mode [ 2211.172970][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2211.183586][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.195533][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2211.206100][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.216937][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2211.227745][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.237776][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2211.248718][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.259510][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 2211.271471][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.285573][ T8230] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 2211.310197][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2211.320906][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.331120][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2211.342243][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.352443][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2211.372785][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.382705][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2211.393400][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.403344][ T8230] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 2211.414045][ T8230] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2211.429443][ T8230] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 2211.453944][ T8230] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 2211.462768][ T8230] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 2211.474162][ T8230] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 2211.483329][ T8230] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 2211.603813][T31318] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2211.621639][T31318] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2211.667410][ T1100] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2211.677530][ T1100] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2212.965160][T27923] Bluetooth: hci7: command 0x041b tx timeout [ 2215.035742][T27923] Bluetooth: hci7: command 0x040f tx timeout [ 2217.115560][T27923] Bluetooth: hci7: command 0x0419 tx timeout [ 2222.159169][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 2245.205271][ T28] INFO: task syz-executor.5:8065 blocked for more than 143 seconds. [ 2245.213290][ T28] Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2245.224664][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2245.233444][ T28] task:syz-executor.5 state:D stack:26688 pid:8065 tgid:8062 ppid:5110 flags:0x00004006 [ 2245.243752][ T28] Call Trace: [ 2245.247115][ T28] [ 2245.250068][ T28] __schedule+0xedb/0x5af0 [ 2245.254529][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2245.263644][ T28] ? hlock_class+0x4e/0x130 [ 2245.268548][ T28] ? io_schedule_timeout+0x150/0x150 [ 2245.273889][ T28] ? schedule+0x1fc/0x270 [ 2245.283151][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2245.288634][ T28] schedule+0xe9/0x270 [ 2245.292837][ T28] io_schedule+0xbe/0x130 [ 2245.297458][ T28] folio_wait_bit_common+0x3dc/0x9c0 [ 2245.302795][ T28] ? folio_wait_bit_common+0x13d/0x9c0 [ 2245.308326][ T28] ? filemap_cachestat+0x930/0x930 [ 2245.313466][ T28] ? string+0x202/0x3d0 [ 2245.317710][ T28] ? filemap_alloc_folio+0x490/0x490 [ 2245.323020][ T28] ? __filemap_get_folio+0x2b0/0xaa0 [ 2245.328355][ T28] do_read_cache_folio+0x2e4/0x540 [ 2245.333498][ T28] ? blkdev_readahead+0x20/0x20 [ 2245.340021][ T28] read_part_sector+0xfc/0x440 [ 2245.344855][ T28] ? adfspart_check_ADFS+0x620/0x620 [ 2245.350174][ T28] adfspart_check_ICS+0x94/0x930 [ 2245.355317][ T28] ? snprintf+0xc8/0x100 [ 2245.359640][ T28] ? vsprintf+0x30/0x30 [ 2245.365480][ T28] ? adfspart_check_ADFS+0x620/0x620 [ 2245.371714][ T28] ? bdev_disk_changed+0x4fa/0x15d0 [ 2245.377036][ T28] ? adfspart_check_ADFS+0x620/0x620 [ 2245.382375][ T28] bdev_disk_changed+0x7e3/0x15d0 [ 2245.387520][ T28] ? drop_partition+0x1b0/0x1b0 [ 2245.392414][ T28] blkdev_get_whole+0x182/0x2c0 [ 2245.397545][ T28] blkdev_get_by_dev.part.0+0x211/0xb20 [ 2245.403228][ T28] bdev_open_by_dev+0x166/0x1c0 [ 2245.408516][ T28] blkdev_open+0xe6/0x390 [ 2245.412881][ T28] do_dentry_open+0x8d6/0x18c0 [ 2245.417843][ T28] ? blkdev_fallocate+0x450/0x450 [ 2245.422891][ T28] path_openat+0x1e5a/0x2c50 [ 2245.427563][ T28] ? path_lookupat+0x770/0x770 [ 2245.432384][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2245.438559][ T28] do_filp_open+0x1de/0x430 [ 2245.443136][ T28] ? may_open_dev+0xf0/0xf0 [ 2245.447745][ T28] ? _raw_spin_unlock+0x28/0x40 [ 2245.452617][ T28] ? alloc_fd+0x2da/0x6c0 [ 2245.457017][ T28] do_sys_openat2+0x176/0x1e0 [ 2245.461724][ T28] ? build_open_flags+0x690/0x690 [ 2245.469421][ T28] ? do_user_addr_fault+0x63c/0x1000 [ 2245.474942][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2245.480376][ T28] __x64_sys_openat+0x175/0x210 [ 2245.486317][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 2245.491264][ T28] ? syscall_enter_from_user_mode+0x7f/0x120 [ 2245.497927][ T28] do_syscall_64+0x40/0x110 [ 2245.502474][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2245.508677][ T28] RIP: 0033:0x7f81cc87b6e0 [ 2245.513123][ T28] RSP: 002b:00007f81cd599c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 2245.521690][ T28] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81cc87b6e0 [ 2245.529824][ T28] RDX: 0000000000000000 RSI: 00007f81cd599ca0 RDI: 00000000ffffff9c [ 2245.537941][ T28] RBP: 00007f81cd599ca0 R08: 0000000000000000 R09: 002364626e2f7665 [ 2245.546008][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 2245.554002][ T28] R13: 000000000000000b R14: 00007f81cc99bf80 R15: 00007ffddaacdab8 [ 2245.562865][ T28] [ 2245.566043][ T28] INFO: task syz-executor.5:8070 blocked for more than 143 seconds. [ 2245.576519][ T28] Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2245.584105][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2245.592872][ T28] task:syz-executor.5 state:D stack:29152 pid:8070 tgid:8062 ppid:5110 flags:0x00000006 [ 2245.607149][ T28] Call Trace: [ 2245.610464][ T28] [ 2245.613420][ T28] __schedule+0xedb/0x5af0 [ 2245.617944][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2245.623977][ T28] ? io_schedule_timeout+0x150/0x150 [ 2245.629376][ T28] ? schedule+0x1fc/0x270 [ 2245.633736][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2245.639198][ T28] ? __mutex_lock+0x5b4/0x9d0 [ 2245.643917][ T28] ? __mutex_trylock_common+0x78/0x250 [ 2245.649482][ T28] schedule+0xe9/0x270 [ 2245.653560][ T28] schedule_preempt_disabled+0x13/0x20 [ 2245.659088][ T28] __mutex_lock+0x5b9/0x9d0 [ 2245.663635][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.671614][ T28] ? mutex_trylock+0x130/0x130 [ 2245.682756][ T28] ? _atomic_dec_and_lock+0xa2/0x120 [ 2245.688264][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.693997][ T28] blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.702089][ T28] ? devcgroup_check_permission+0x19b/0x480 [ 2245.708216][ T28] bdev_open_by_dev+0x166/0x1c0 [ 2245.713109][ T28] blkdev_open+0xe6/0x390 [ 2245.717536][ T28] do_dentry_open+0x8d6/0x18c0 [ 2245.722355][ T28] ? blkdev_fallocate+0x450/0x450 [ 2245.727468][ T28] path_openat+0x1e5a/0x2c50 [ 2245.732097][ T28] ? path_lookupat+0x770/0x770 [ 2245.737162][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2245.743188][ T28] do_filp_open+0x1de/0x430 [ 2245.747897][ T28] ? may_open_dev+0xf0/0xf0 [ 2245.752439][ T28] ? _raw_spin_unlock+0x28/0x40 [ 2245.758188][ T28] ? alloc_fd+0x2da/0x6c0 [ 2245.762557][ T28] do_sys_openat2+0x176/0x1e0 [ 2245.767648][ T28] ? build_open_flags+0x690/0x690 [ 2245.773945][ T28] ? do_user_addr_fault+0x63c/0x1000 [ 2245.779588][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2245.785158][ T28] __x64_sys_openat+0x175/0x210 [ 2245.790035][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 2245.795076][ T28] ? syscall_enter_from_user_mode+0x7f/0x120 [ 2245.801109][ T28] do_syscall_64+0x40/0x110 [ 2245.805705][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2245.811604][ T28] RIP: 0033:0x7f81cc87b6e0 [ 2245.816104][ T28] RSP: 002b:00007f81cd578c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 2245.824633][ T28] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81cc87b6e0 [ 2245.832933][ T28] RDX: 0000000000000000 RSI: 00007f81cd578ca0 RDI: 00000000ffffff9c [ 2245.844243][ T28] RBP: 00007f81cd578ca0 R08: 0000000000000000 R09: 002364626e2f7665 [ 2245.852449][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 2245.860636][ T28] R13: 000000000000006e R14: 00007f81cc99c050 R15: 00007ffddaacdab8 [ 2245.868711][ T28] [ 2245.871755][ T28] INFO: task syz-executor.5:8074 blocked for more than 144 seconds. [ 2245.881745][ T28] Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2245.889386][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2245.898123][ T28] task:syz-executor.5 state:D stack:29152 pid:8074 tgid:8062 ppid:5110 flags:0x00000006 [ 2245.908377][ T28] Call Trace: [ 2245.911655][ T28] [ 2245.914591][ T28] __schedule+0xedb/0x5af0 [ 2245.919531][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2245.925691][ T28] ? io_schedule_timeout+0x150/0x150 [ 2245.931019][ T28] ? schedule+0x1fc/0x270 [ 2245.935444][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2245.940860][ T28] ? __mutex_lock+0x5b4/0x9d0 [ 2245.945922][ T28] ? __mutex_trylock_common+0x78/0x250 [ 2245.951423][ T28] schedule+0xe9/0x270 [ 2245.955752][ T28] schedule_preempt_disabled+0x13/0x20 [ 2245.961606][ T28] __mutex_lock+0x5b9/0x9d0 [ 2245.966234][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.972031][ T28] ? mutex_trylock+0x130/0x130 [ 2245.978256][ T28] ? _atomic_dec_and_lock+0xa2/0x120 [ 2245.983609][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.989597][ T28] blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2245.995627][ T28] ? devcgroup_check_permission+0x19b/0x480 [ 2246.001594][ T28] bdev_open_by_dev+0x166/0x1c0 [ 2246.006942][ T28] blkdev_open+0xe6/0x390 [ 2246.011313][ T28] do_dentry_open+0x8d6/0x18c0 [ 2246.016392][ T28] ? blkdev_fallocate+0x450/0x450 [ 2246.021527][ T28] path_openat+0x1e5a/0x2c50 [ 2246.027626][ T28] ? path_lookupat+0x770/0x770 [ 2246.032435][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2246.038495][ T28] do_filp_open+0x1de/0x430 [ 2246.043044][ T28] ? may_open_dev+0xf0/0xf0 [ 2246.048573][ T28] ? _raw_spin_unlock+0x28/0x40 [ 2246.053482][ T28] ? alloc_fd+0x2da/0x6c0 [ 2246.063016][ T28] do_sys_openat2+0x176/0x1e0 [ 2246.067998][ T28] ? build_open_flags+0x690/0x690 [ 2246.073030][ T28] ? do_user_addr_fault+0x63c/0x1000 [ 2246.080096][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2246.089521][ T28] __x64_sys_openat+0x175/0x210 [ 2246.094412][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 2246.099437][ T28] ? syscall_enter_from_user_mode+0x7f/0x120 [ 2246.105563][ T28] do_syscall_64+0x40/0x110 [ 2246.110092][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2246.116055][ T28] RIP: 0033:0x7f81cc87b6e0 [ 2246.120509][ T28] RSP: 002b:00007f81cd557c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 2246.129017][ T28] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81cc87b6e0 [ 2246.137568][ T28] RDX: 0000000000000000 RSI: 00007f81cd557ca0 RDI: 00000000ffffff9c [ 2246.145679][ T28] RBP: 00007f81cd557ca0 R08: 0000000000000000 R09: 002364626e2f7665 [ 2246.153677][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 2246.161844][ T28] R13: 000000000000006e R14: 00007f81cc99c120 R15: 00007ffddaacdab8 [ 2246.171636][ T28] [ 2246.174658][ T28] INFO: task syz-executor.5:8078 blocked for more than 144 seconds. [ 2246.183985][ T28] Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2246.191603][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2246.200357][ T28] task:syz-executor.5 state:D stack:28112 pid:8078 tgid:8062 ppid:5110 flags:0x00000006 [ 2246.210607][ T28] Call Trace: [ 2246.213880][ T28] [ 2246.216890][ T28] __schedule+0xedb/0x5af0 [ 2246.221332][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2246.227422][ T28] ? io_schedule_timeout+0x150/0x150 [ 2246.232740][ T28] ? schedule+0x1fc/0x270 [ 2246.237646][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 2246.243056][ T28] ? __mutex_lock+0x5b4/0x9d0 [ 2246.250559][ T28] ? __mutex_trylock_common+0x78/0x250 [ 2246.256162][ T28] schedule+0xe9/0x270 [ 2246.260296][ T28] schedule_preempt_disabled+0x13/0x20 [ 2246.265883][ T28] __mutex_lock+0x5b9/0x9d0 [ 2246.270421][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.279598][ T28] ? mutex_trylock+0x130/0x130 [ 2246.285937][ T28] ? _atomic_dec_and_lock+0xa2/0x120 [ 2246.291273][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.297080][ T28] blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.302646][ T28] ? devcgroup_check_permission+0x19b/0x480 [ 2246.308642][ T28] bdev_open_by_dev+0x166/0x1c0 [ 2246.313527][ T28] blkdev_open+0xe6/0x390 [ 2246.317956][ T28] do_dentry_open+0x8d6/0x18c0 [ 2246.322752][ T28] ? blkdev_fallocate+0x450/0x450 [ 2246.327861][ T28] path_openat+0x1e5a/0x2c50 [ 2246.332526][ T28] ? path_lookupat+0x770/0x770 [ 2246.337394][ T28] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2246.343411][ T28] do_filp_open+0x1de/0x430 [ 2246.348031][ T28] ? may_open_dev+0xf0/0xf0 [ 2246.352566][ T28] ? _raw_spin_unlock+0x28/0x40 [ 2246.357494][ T28] ? alloc_fd+0x2da/0x6c0 [ 2246.361862][ T28] do_sys_openat2+0x176/0x1e0 [ 2246.366670][ T28] ? build_open_flags+0x690/0x690 [ 2246.371723][ T28] ? do_user_addr_fault+0x63c/0x1000 [ 2246.377126][ T28] ? xfd_validate_state+0x5d/0x180 [ 2246.382275][ T28] __x64_sys_openat+0x175/0x210 [ 2246.392158][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 2246.397314][ T28] ? syscall_enter_from_user_mode+0x7f/0x120 [ 2246.403339][ T28] do_syscall_64+0x40/0x110 [ 2246.407951][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 2246.413883][ T28] RIP: 0033:0x7f81cc87b6e0 [ 2246.418340][ T28] RSP: 002b:00007f81cd536c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 2246.426869][ T28] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81cc87b6e0 [ 2246.434917][ T28] RDX: 0000000000000000 RSI: 00007f81cd536ca0 RDI: 00000000ffffff9c [ 2246.442906][ T28] RBP: 00007f81cd536ca0 R08: 0000000000000000 R09: 002364626e2f7665 [ 2246.450957][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 2246.458967][ T28] R13: 000000000000006e R14: 00007f81cc99c1f0 R15: 00007ffddaacdab8 [ 2246.467046][ T28] [ 2246.470108][ T28] [ 2246.470108][ T28] Showing all locks held in the system: [ 2246.478069][ T28] 1 lock held by khungtaskd/28: [ 2246.482916][ T28] #0: ffffffff8cfa82a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 2246.494346][ T28] 2 locks held by getty/4814: [ 2246.502253][ T28] #0: ffff88802891c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 2246.512230][ T28] #1: ffffc900020682f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 [ 2246.522472][ T28] 1 lock held by syz-executor.5/8065: [ 2246.527930][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.538645][ T28] 1 lock held by syz-executor.5/8070: [ 2246.544009][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.554789][ T28] 1 lock held by syz-executor.5/8074: [ 2246.560342][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.571087][ T28] 1 lock held by syz-executor.5/8078: [ 2246.576528][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.587316][ T28] 1 lock held by syz-executor.5/8182: [ 2246.593622][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.604406][ T28] 1 lock held by syz-executor.5/8183: [ 2246.609967][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.623827][ T28] 1 lock held by syz-executor.5/8184: [ 2246.629280][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.640536][ T28] 1 lock held by syz-executor.5/8185: [ 2246.645990][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.656745][ T28] 1 lock held by syz-executor.5/8249: [ 2246.662128][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.672848][ T28] 1 lock held by syz-executor.5/8250: [ 2246.678288][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.689005][ T28] 1 lock held by syz-executor.5/8251: [ 2246.695857][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.706624][ T28] 1 lock held by syz-executor.5/8252: [ 2246.712001][ T28] #0: ffff88801d6a94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 2246.723310][ T28] [ 2246.733815][ T28] ============================================= [ 2246.733815][ T28] [ 2246.742309][ T28] NMI backtrace for cpu 0 [ 2246.746650][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2246.756447][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2246.766496][ T28] Call Trace: [ 2246.769769][ T28] [ 2246.772691][ T28] dump_stack_lvl+0xd9/0x1b0 [ 2246.777280][ T28] nmi_cpu_backtrace+0x277/0x390 [ 2246.782212][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 2246.787420][ T28] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 2246.793403][ T28] watchdog+0xf87/0x1210 [ 2246.797668][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 2246.803677][ T28] ? lockdep_hardirqs_on+0x7d/0x110 [ 2246.808896][ T28] ? __kthread_parkme+0x14b/0x220 [ 2246.813940][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 2246.819945][ T28] kthread+0x2c6/0x3a0 [ 2246.824037][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 2246.829350][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 2246.835003][ T28] ret_from_fork+0x45/0x80 [ 2246.839450][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 2246.845202][ T28] ret_from_fork_asm+0x11/0x20 [ 2246.849989][ T28] [ 2246.854680][ T28] Sending NMI from CPU 0 to CPUs 1: [ 2246.860192][ C1] NMI backtrace for cpu 1 [ 2246.860204][ C1] CPU: 1 PID: 31220 Comm: kworker/u4:1 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2246.860228][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2246.860242][ C1] Workqueue: bat_events batadv_nc_worker [ 2246.860355][ C1] RIP: 0010:__lock_acquire+0xa32/0x3b10 [ 2246.860388][ C1] Code: 00 00 c7 44 24 78 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 a6 2e 00 00 48 8b 54 24 38 <49> 89 1e 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 [ 2246.860409][ C1] RSP: 0018:ffffc90015797978 EFLAGS: 00000046 [ 2246.860425][ C1] RAX: dffffc0000000000 RBX: e944d18303ba6be9 RCX: ffffffff8166d48a [ 2246.860441][ C1] RDX: ffff88807dd8acb8 RSI: 0000000000000008 RDI: ffffffff91f0ee80 [ 2246.860456][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff23e1dd0 [ 2246.860470][ C1] R10: ffffffff91f0ee87 R11: 0000000000000002 R12: ffffed100fbb1597 [ 2246.860485][ C1] R13: ffff88807dd8acc0 R14: ffff88807dd8ad10 R15: 0000000000000004 [ 2246.860499][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 2246.860521][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2246.860536][ C1] CR2: 00007fa97e3fdc98 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 2246.860558][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2246.860571][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2246.860585][ C1] Call Trace: [ 2246.860593][ C1] [ 2246.860599][ C1] ? show_regs+0x8f/0xa0 [ 2246.860626][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 2246.860648][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 2246.860679][ C1] ? nmi_handle+0x1a6/0x570 [ 2246.860704][ C1] ? __lock_acquire+0xa32/0x3b10 [ 2246.860733][ C1] ? default_do_nmi+0x6a/0x160 [ 2246.860760][ C1] ? exc_nmi+0x186/0x200 [ 2246.860783][ C1] ? end_repeat_nmi+0xf/0x2a [ 2246.860816][ C1] ? __lock_acquire+0xeaa/0x3b10 [ 2246.860845][ C1] ? __lock_acquire+0xa32/0x3b10 [ 2246.860874][ C1] ? __lock_acquire+0xa32/0x3b10 [ 2246.860902][ C1] ? __lock_acquire+0xa32/0x3b10 [ 2246.860932][ C1] [ 2246.860937][ C1] [ 2246.860947][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 2246.860978][ C1] ? rcu_preempt_deferred_qs_irqrestore+0x4f9/0xb70 [ 2246.861008][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 2246.861039][ C1] lock_acquire+0x1ae/0x520 [ 2246.861068][ C1] ? batadv_nc_worker+0x168/0x10e0 [ 2246.861090][ C1] ? lock_sync+0x190/0x190 [ 2246.861118][ C1] ? batadv_nc_worker+0x8ee/0x10e0 [ 2246.861140][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 2246.861172][ C1] batadv_nc_worker+0x16e/0x10e0 [ 2246.861195][ C1] ? batadv_nc_worker+0x168/0x10e0 [ 2246.861219][ C1] ? batadv_nc_process_nc_paths.part.0+0x3e0/0x3e0 [ 2246.861243][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 2246.861273][ C1] ? move_linked_works+0x1e8/0x2f0 [ 2246.861301][ C1] process_one_work+0x886/0x15d0 [ 2246.861329][ C1] ? batadv_nc_process_nc_paths.part.0+0x3e0/0x3e0 [ 2246.861354][ C1] ? workqueue_congested+0x300/0x300 [ 2246.861383][ C1] ? assign_work+0x1a0/0x250 [ 2246.861408][ C1] worker_thread+0x8b9/0x1290 [ 2246.861435][ C1] ? __kthread_parkme+0x14b/0x220 [ 2246.861458][ C1] ? process_one_work+0x15d0/0x15d0 [ 2246.861484][ C1] kthread+0x2c6/0x3a0 [ 2246.861506][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 2246.861526][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 2246.861556][ C1] ret_from_fork+0x45/0x80 [ 2246.861581][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 2246.861606][ C1] ret_from_fork_asm+0x11/0x20 [ 2246.861637][ C1] [ 2246.865754][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 2246.865769][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 2246.865795][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 2246.865809][ T28] Call Trace: [ 2246.865816][ T28] [ 2246.865825][ T28] dump_stack_lvl+0xd9/0x1b0 [ 2246.865854][ T28] panic+0x6dc/0x790 [ 2246.865882][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 2246.865910][ T28] ? preempt_schedule_thunk+0x1a/0x30 [ 2246.865945][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 2246.865977][ T28] ? preempt_schedule_thunk+0x1a/0x30 [ 2246.866017][ T28] ? watchdog+0xd3e/0x1210 [ 2246.866043][ T28] ? watchdog+0xd31/0x1210 [ 2246.866074][ T28] watchdog+0xd4f/0x1210 [ 2246.866100][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 2246.866132][ T28] ? lockdep_hardirqs_on+0x7d/0x110 [ 2246.866165][ T28] ? __kthread_parkme+0x14b/0x220 [ 2246.866190][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 2246.866217][ T28] kthread+0x2c6/0x3a0 [ 2246.866242][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 2246.866265][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 2246.866292][ T28] ret_from_fork+0x45/0x80 [ 2246.866320][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 2246.866347][ T28] ret_from_fork_asm+0x11/0x20 [ 2246.866381][ T28] [ 2246.869388][ T28] Kernel Offset: disabled [ 2247.350531][ T28] Rebooting in 86400 seconds..