0440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:04 executing program 3: r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) recvmmsg$unix(r0, &(0x7f0000004ec0)=[{{&(0x7f0000000380)=@abs, 0x6e, &(0x7f00000000c0)=[{&(0x7f0000000400)=""/151, 0x97}, {&(0x7f00000004c0)=""/202, 0xca}], 0x2, &(0x7f00000005c0)=[@rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0xb0}}, {{0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000680)=""/232, 0xe8}, {&(0x7f00000001c0)=""/48, 0x30}, {&(0x7f0000000780)=""/110, 0x6e}], 0x3, &(0x7f0000000800)=[@cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xd0}}, {{&(0x7f0000000900)=@abs, 0x6e, &(0x7f0000001440)=[{&(0x7f0000001000)=""/114, 0x72}, {&(0x7f0000001080)=""/145, 0x91}, {&(0x7f0000001140)=""/117, 0x75}, {&(0x7f00000011c0)=""/232, 0xe8}, {&(0x7f00000012c0)=""/114, 0x72}, {&(0x7f0000001340)=""/198, 0xc6}], 0x6}}, {{&(0x7f00000014c0), 0x6e, &(0x7f00000016c0)=[{&(0x7f0000000980)=""/44, 0x2c}, {&(0x7f0000001540)=""/157, 0x9d}, {&(0x7f0000001600)=""/152, 0x98}], 0x3, &(0x7f0000001700)=[@cred={{0x1c}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x90}}, {{&(0x7f00000017c0)=@abs, 0x6e, &(0x7f0000002840)=[{&(0x7f0000001840)=""/4096, 0x1000}], 0x1, &(0x7f0000002880)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}], 0x38}}, {{0x0, 0x0, &(0x7f0000002980)=[{&(0x7f00000028c0)=""/106, 0x6a}, {&(0x7f0000002940)=""/42, 0x2a}], 0x2, &(0x7f00000029c0)=ANY=[@ANYBLOB="18000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYBLOB="14000000000000000100000001000000", @ANYRES32, @ANYBLOB="00000000000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0xd0}}, {{&(0x7f0000002ac0)=@abs, 0x6e, &(0x7f00000030c0)=[{&(0x7f0000002b40)=""/179, 0xb3}, {&(0x7f0000002c00)=""/41, 0x29}, {&(0x7f0000002c40)=""/96, 0x60}, {&(0x7f0000002cc0)=""/168, 0xa8}, {&(0x7f0000002d80)=""/157, 0x9d}, {&(0x7f0000002e40)}, {&(0x7f0000002e80)=""/168, 0xa8}, {&(0x7f0000002f40)=""/28, 0x1c}, {&(0x7f0000002f80)=""/248, 0xf8}, {&(0x7f0000003080)}], 0xa}}, {{&(0x7f0000003180), 0x6e, &(0x7f0000003600)=[{&(0x7f0000003200)=""/238, 0xee}, {&(0x7f0000003300)=""/126, 0x7e}, {&(0x7f0000003380)=""/159, 0x9f}, {&(0x7f0000003440)=""/125, 0x7d}, {&(0x7f00000034c0)=""/77, 0x4d}, {&(0x7f0000003540)=""/152, 0x98}], 0x6, &(0x7f0000003680)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x48}}, {{&(0x7f0000003700), 0x6e, &(0x7f00000048c0)=[{&(0x7f0000003780)=""/69, 0x45}, {&(0x7f0000003800)=""/138, 0x8a}, {&(0x7f00000038c0)=""/4096, 0x1000}], 0x3, &(0x7f0000004900)=[@cred={{0x1c}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x128}}, {{&(0x7f0000004a40), 0x6e, &(0x7f0000004e40)=[{&(0x7f0000004ac0)=""/108, 0x6c}, {&(0x7f0000004b40)=""/127, 0x7f}, {&(0x7f0000004bc0)=""/234, 0xea}, {&(0x7f0000004cc0)=""/131, 0x83}, {&(0x7f0000004d80)=""/161, 0xa1}], 0x5}}], 0xa, 0x40000042, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0) preadv(r0, &(0x7f0000000280), 0x0, 0x0, 0x2) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x100, 0x0, 0x0, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xe, 0xe, &(0x7f00000009c0)=ANY=[@ANYBLOB="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"/1571], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000040)}, 0x24) fcntl$lock(0xffffffffffffffff, 0x7, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) perf_event_open(&(0x7f0000000280)={0x2, 0x80, 0x1f, 0xf8, 0x1, 0x0, 0x0, 0x7, 0x30200, 0x7, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x100, 0x1, @perf_config_ext={0x0, 0x2}, 0x2015, 0x0, 0x0, 0x4, 0x9, 0x0, 0xf3a9, 0x0, 0xc1, 0x0, 0x401}, 0x0, 0x6, 0xffffffffffffffff, 0x2) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x60000000}) openat$fuse(0xffffffffffffff9c, 0x0, 0x2, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000006480), 0x180, 0x0) preadv(r4, &(0x7f0000006500)=[{&(0x7f00000064c0)=""/9, 0x9}], 0x1, 0xfffffffa, 0x6d3) recvmsg$unix(r2, &(0x7f0000006400)={&(0x7f0000005140)=@abs, 0x6e, &(0x7f0000003080)=[{&(0x7f00000051c0)=""/122, 0x7a}, {&(0x7f0000002e40)=""/24, 0x18}, {&(0x7f0000005240)=""/4096, 0x1000}, {&(0x7f0000006240)=""/250, 0xfa}], 0x4, &(0x7f0000006340)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0}}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa8}, 0x0) fcntl$lock(r1, 0x26, &(0x7f0000006440)={0x2, 0x3, 0x10001, 0x1000, r5}) 14:56:04 executing program 2: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x6, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="1802000000000000000000000000000085000000410000009500000000000000688fa2b1c9aeec37ae3d949216c62638d018ab8045d9012d11b8ff7cdc92ebc7d8324c4916ce408f6c3796ca3bd88c09af6c73512f8ec302121cfd171f2486c6c7dde41acdbc4c331aa8050e2da8f0e6702a72d339b09db9a0a1d1afae3ad8656cd3ac665b4e65cdc595df72152b426c1e18ffa74d2fdaee94fa42f4a3192e3982262cfbe785fec41331a56d123ce86a19d9ce33c892ba082d6a3b833c"], &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) r1 = perf_event_open(&(0x7f00000015c0)={0x2, 0x80, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, @perf_bp={0x0}, 0x207, 0x0, 0x800, 0x0, 0x0, 0x0, 0xd60, 0x0, 0x0, 0x0, 0x800}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xb, &(0x7f0000000000)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48) r2 = getpid() sched_setscheduler(r2, 0x0, 0x0) r3 = signalfd4(r0, &(0x7f0000000200)={[0x6]}, 0x8, 0x80800) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x2, 0x0, 0x20, 0x8, 0x0, 0x8, 0x10b6a0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x7, 0x1, @perf_bp={&(0x7f0000000080), 0x4}, 0x100, 0x1, 0x1, 0x3, 0x80000001, 0x0, 0x4, 0x0, 0x8, 0x0, 0x6}, r2, 0x0, r3, 0x8) bpf$PROG_LOAD(0x5, &(0x7f0000000500)={0x0, 0x5, &(0x7f0000000240)=@framed={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, [@exit, @func={0x85, 0x0, 0x1, 0x0, 0xfffffffffffffffc}]}, &(0x7f0000000280)='syzkaller\x00', 0x6, 0xe1, &(0x7f0000000380)=""/225, 0x40f00, 0x9, '\x00', 0x0, 0x0, r3, 0x8, &(0x7f0000000480)={0x2, 0x3}, 0x8, 0x10, &(0x7f00000004c0)={0x5, 0x5, 0x1ff, 0x7fff}, 0x10, 0xffffffffffffffff}, 0x78) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x3, 0x40010, r1, 0x93d3000) [ 338.032485][ T9300] block nbd1: shutting down sockets [ 338.454903][ T9312] block nbd0: shutting down sockets 14:56:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptp0(0xffffffffffffff9c, 0x0, 0x0, 0x0) fchdir(r0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) syz_open_procfs(0x0, 0x0) sendmsg$nl_route(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=@newlink={0x4c, 0x10, 0xffffff1f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @bond={{0x9}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_BOND_FAIL_OVER_MAC={0x5}, @IFLA_BOND_MIIMON={0x8, 0x3, 0x9}, @IFLA_BOND_UPDELAY={0x8, 0x4, 0x1ff}]}}}]}, 0x4c}}, 0x0) 14:56:07 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fe6000)={0x3, 0x4, 0x4, 0x100000009}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x8, 0x3, &(0x7f0000000040)=@raw=[@map={0x18, 0x0, 0x1, 0x0, r0}, @exit={0x95, 0x0, 0x0, 0x74}], &(0x7f00000000c0)='GPL\x00', 0x2, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x63) 14:56:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:07 executing program 3: perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5f74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cpuacct.usage_user\x00', 0x0, 0x0) openat$cgroup_procs(0xffffffffffffffff, 0x0, 0x2, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000), 0x0, 0x0) close(r1) perf_event_open(&(0x7f0000000780)={0x0, 0x80, 0x0, 0x0, 0x1, 0x9, 0x0, 0xfffffffffffff041, 0x28000, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x7, 0x0, @perf_config_ext={0x4, 0x7}, 0x1c3, 0x100, 0x2, 0x6, 0x6, 0x8001, 0xff, 0x0, 0x9, 0x0, 0x8}, 0x0, 0xe, 0xffffffffffffffff, 0x8) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32], 0x48}}, 0x0) r2 = socket(0x15, 0x2, 0x9) sendmsg$nl_route_sched(r2, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=@deltaction={0x218, 0x31, 0x4, 0x70bd29, 0x25dfdbfb, {}, [@TCA_ACT_TAB={0x64, 0x1, [{0x10, 0x7, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0xc, 0x1d, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x77e}}, {0x10, 0x1f, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}, {0x14, 0x7, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0x10, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'sample\x00'}}, {0x10, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'csum\x00'}}]}, @TCA_ACT_TAB={0x34, 0x1, [{0xc, 0x1, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x1}}, {0xc, 0x18, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7fff}}, {0xc, 0x7, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x4}}, {0xc, 0x6, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x33c}}]}, @TCA_ACT_TAB={0x24, 0x1, [{0x10, 0x15, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}, {0x10, 0x0, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}]}, @TCA_ACT_TAB={0x1c, 0x1, [{0xc, 0xd, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xbe}}, {0xc, 0x9, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x405}}]}, @TCA_ACT_TAB={0x28, 0x1, [{0xc, 0x12, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x53e}}, {0xc, 0x3, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x1}}, {0xc, 0x1d, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7}}]}, @TCA_ACT_TAB={0x74, 0x1, [{0xc, 0x1c, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xffffffff}}, {0x10, 0x1a, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'sample\x00'}}, {0xc, 0x20, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x8}}, {0x10, 0xd, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0xc, 0xff, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'ife\x00'}}, {0x14, 0x17, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}, {0xc, 0x17, 0x0, 0x0, @TCA_ACT_KIND={0x8, 0x1, 'ife\x00'}}, {0xc, 0x12, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x5}}]}, @TCA_ACT_TAB={0x60, 0x1, [{0xc, 0x2, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x5}}, {0xc, 0x14, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7}}, {0xc, 0x12, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x1f973552}}, {0xc, 0x0, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x5}}, {0xc, 0x11, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x909a6ee9}}, {0x10, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0x10, 0x2, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'police\x00'}}]}, @TCA_ACT_TAB={0x30, 0x1, [{0x10, 0x8, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0x10, 0xf, 0x0, 0x0, @TCA_ACT_KIND={0x9, 0x1, 'gact\x00'}}, {0xc, 0x16, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0xc9}}]}]}, 0x218}, 0x1, 0x0, 0x0, 0x10001}, 0x810) 14:56:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:07 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fe6000)={0x3, 0x4, 0x4, 0x100000009}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x8, 0x3, &(0x7f0000000040)=@raw=[@map={0x18, 0x0, 0x1, 0x0, r0}, @exit={0x95, 0x0, 0x0, 0x74}], &(0x7f00000000c0)='GPL\x00', 0x2, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x63) [ 340.339305][ T9341] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. [ 340.401403][ T9338] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. [ 340.445838][ T9347] (unnamed net_device) (uninitialized): up delay (511) is not a multiple of miimon (9), value rounded to 504 ms [ 340.446983][ T9350] block nbd0: shutting down sockets [ 340.487035][ T9351] block nbd1: shutting down sockets [ 340.594610][ T9352] block nbd4: shutting down sockets 14:56:07 executing program 3: r0 = syz_io_uring_complete(0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040)={0x6, 0x4, 0x22, 0x3f, 0x0, 0x3, 0xe, 0x7, 0x69, 0x1, 0x6, 0x9, 0xc0, 0x1}, 0xe) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000001d40)='./file0\x00', 0x80000, 0x6, &(0x7f0000000200)=[{&(0x7f0000001f00)="200000000002000019000000900100000f000000000000000000000004000000000002000020000020000000d8f4655fd8f4655f0100ffff53ef010001000000d7f4655f000000000000000001000000000000000b0000000001000018000000c28500002b02", 0x66, 0x400}, {&(0x7f0000010100)="00000000000900000c000000dff4ef821ec34de5a68f275e28ea4831010040", 0x1f, 0x4e0}, {&(0x7f0000010300)="030000000400000005", 0x9, 0x800}, {&(0x7f00000002c0)="7f000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0100ffffffffffffff", 0x3fe, 0xc04}, {&(0x7f0000010d00)="ed41000000040000d7f4655fd8f4655fd8f4655f000000000000040020", 0x1d, 0x1500}, {&(0x7f0000000080)="ed41", 0x2, 0x1f00}], 0x400001, &(0x7f0000000140)) 14:56:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:07 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f0000000240)='\x103q}2\x9a\xce\xaf\x03\x86\xe7\xc0\x14\x8f\xf8\xd28\xf4\x1c\xc0\xf9\x1c\xa6\xab\bi\xe4^\xd5\xfd\xa9\r\xac7A\x94\xeb\xcd\t\x00\x90k\xd6\x05\r\x84\x87\x1c\b\x8c`\xea\x13A\x90m\xb6&\xd0\x9daA\xc5\xb8_\xd4\x18,\f\xd4s\xb2\x99/\xc0\x9a\xf2O\xdb\xc0\x8b\x19\x17\xb7Rvd\xcb:\b', 0x0) ftruncate(r1, 0x80079a0) mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0x0, 0x2012, r1, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2) clone(0x0, 0x0, 0x0, 0x0, 0x0) gettid() r2 = dup3(r0, 0xffffffffffffffff, 0x0) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(r2, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000140)={0xc4, 0x3, 0x8, 0x201, 0x0, 0x0, {0x0, 0x0, 0x2}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x806}, @CTA_TIMEOUT_DATA={0x24, 0x4, 0x0, 0x1, @tcp=[@CTA_TIMEOUT_TCP_SYN_RECV={0x8, 0x2, 0x1, 0x0, 0x400}, @CTA_TIMEOUT_TCP_SYN_RECV={0x8, 0x2, 0x1, 0x0, 0x8000}, @CTA_TIMEOUT_TCP_UNACK={0x8, 0xb, 0x1, 0x0, 0x3}, @CTA_TIMEOUT_TCP_SYN_SENT={0x8, 0x1, 0x1, 0x0, 0x6}]}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x6}, @CTA_TIMEOUT_DATA={0x44, 0x4, 0x0, 0x1, @fccp=[@CTA_TIMEOUT_DCCP_TIMEWAIT={0x8, 0x7, 0x1, 0x0, 0x1}, @CTA_TIMEOUT_DCCP_TIMEWAIT={0x8, 0x7, 0x1, 0x0, 0x80000000}, @CTA_TIMEOUT_DCCP_RESPOND={0x8, 0x2, 0x1, 0x0, 0x1}, @CTA_TIMEOUT_DCCP_REQUEST={0x8, 0x1, 0x1, 0x0, 0x2}, @CTA_TIMEOUT_DCCP_CLOSEREQ={0x8, 0x5, 0x1, 0x0, 0x1f}, @CTA_TIMEOUT_DCCP_PARTOPEN={0x8}, @CTA_TIMEOUT_DCCP_OPEN={0x8, 0x4, 0x1, 0x0, 0x8}, @CTA_TIMEOUT_DCCP_CLOSEREQ={0x8, 0x5, 0x1, 0x0, 0x9}]}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_DATA={0x2c, 0x4, 0x0, 0x1, @sctp=[@CTA_TIMEOUT_SCTP_SHUTDOWN_SENT={0x8, 0x5, 0x1, 0x0, 0x1}, @CTA_TIMEOUT_SCTP_COOKIE_WAIT={0x8, 0x2, 0x1, 0x0, 0x7}, @CTA_TIMEOUT_SCTP_SHUTDOWN_ACK_SENT={0x8, 0x7, 0x1, 0x0, 0x400}, @CTA_TIMEOUT_SCTP_SHUTDOWN_RECD={0x8, 0x6, 0x1, 0x0, 0x80000001}, @CTA_TIMEOUT_SCTP_COOKIE_ECHOED={0x8, 0x3, 0x1, 0x0, 0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x20000000}, 0x24004000) ioctl$VIDIOC_S_EXT_CTRLS(r4, 0xc0205648, &(0x7f00000000c0)={0x0, 0x6, 0x9, 0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x98090d, 0x80000000, '\x00', @ptr=0x4}}) fcntl$F_GET_RW_HINT(0xffffffffffffffff, 0x40b, &(0x7f0000000040)) preadv(r3, 0x0, 0x0, 0x0, 0x0) dup(0xffffffffffffffff) process_vm_writev(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 340.898756][ T9391] (unnamed net_device) (uninitialized): up delay (511) is not a multiple of miimon (9), value rounded to 504 ms 14:56:07 executing program 2: syz_emit_ethernet(0x52, &(0x7f00000000c0)={@local, @random="c84b119bbc9a", @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, 'k~\x00', 0x1c, 0x2b, 0x0, @remote, @local, {[@srh={0x2e}], {{0x0, 0x0, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0x101400, 0x0) write$tun(r0, &(0x7f0000000180)={@void, @val={0x2, 0x3, 0x0, 0x6, 0x6, 0x3}, @ipv6=@udp={0x7, 0x6, "70caf7", 0x7b, 0x11, 0xff, @dev={0xfe, 0x80, '\x00', 0x32}, @loopback, {[@hopopts={0x3b, 0xb, '\x00', [@padn={0x1, 0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @enc_lim={0x4, 0x1, 0x80}, @calipso={0x7, 0x40, {0x2, 0xe, 0x3a, 0xc3, [0xfc, 0x3, 0x80000000, 0x3ea2632e, 0xff, 0xfffffffffffffffe, 0x3]}}, @hao={0xc9, 0x10, @private2}]}], {0x4e24, 0x4e21, 0x13, 0x0, @gue={{0x2, 0x1, 0x1, 0x6, 0x0, @val=0x80}, "cf23c5"}}}}}, 0xad) [ 340.940180][ T9395] loop3: detected capacity change from 0 to 1024 [ 341.019418][ T9395] EXT4-fs (loop3): orphan cleanup on readonly fs [ 341.054994][ T9395] EXT4-fs (loop3): 1 orphan inode deleted 14:56:07 executing program 5: openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x222}, 0x48) perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x3, 0x5) setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000000)=ANY=[], 0x1) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2e0, 0x1f, 0x1f4, &(0x7f00000000c0)="b9ff10c6630d698cb89e0bf088ca1fffffff14000000632977fbac14143fee", 0x0, 0x2f, 0x0, 0x0, 0x66, &(0x7f0000000000), &(0x7f0000000100)="41c7da095e7b176740f1f86467199b977eddc5b973616d57bc43912a0253fb467f313a57476e0b32f70ee9ab713b5c3183e1be72d833a1e9c791c7a2353e5587581941d2121f6c46bcff94f9512e6d062a1ed590a4569086ce75ec5c94395dd23effa02d5979"}, 0x28) openat$binder_debug(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000040), 0x4) bpf$PROG_LOAD(0x5, 0x0, 0x0) [ 341.111503][ T9411] block nbd0: shutting down sockets [ 341.150204][ T9413] block nbd1: shutting down sockets [ 341.227182][ T9395] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. 14:56:08 executing program 2: syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), 0xffffffffffffffff) 14:56:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:08 executing program 3: perf_event_open(&(0x7f00000004c0)={0x2, 0x80, 0xdd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) epoll_create1(0x0) r1 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r1, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r2 = socket$xdp(0x2c, 0x3, 0x0) ioctl$sock_FIOSETOWN(r2, 0x8901, &(0x7f0000000140)) setsockopt$sock_int(r2, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) fremovexattr(r2, &(0x7f00000001c0)=@random={'security.', '%\x1d-%\x00>r\xf6\x80}\xe3k\xc2\x92O\xe9\t\xcc\x138\x9f\xfc\xa9\xe9w.\xe5Y\xb0\xa7\xa4\xc8\xa3\xe9\x0frn\xf5\xec\b\xc9\x9a\x1a,\x92\xe1:\xd2}\xfc!\x91\xa4{\"\x82\x98\\\xc6\xb4\x15\x116Y\x02SU\xda\v\x06\xfa>\xd2%.A\xd9\x1e\xd7,\x1d\xe6'}) r3 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f00005c3000/0x18000)=nil, &(0x7f0000000080)=[@text16={0x10, 0x0}], 0x1, 0x0, 0x0, 0x0) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000000c0), 0x20080, 0x0) perf_event_open$cgroup(&(0x7f0000000000)={0x1, 0x80, 0x81, 0xb1, 0x9, 0x8, 0x0, 0xff, 0x401, 0x9, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x6, 0x4d3ed9a45e4ec34a, @perf_config_ext={0x8, 0x7}, 0x900, 0x8, 0x7, 0x9, 0xffffffffffff9a0a, 0x7, 0x1, 0x0, 0x4, 0x0, 0x3}, 0xffffffffffffffff, 0xb, r5, 0x3) 14:56:08 executing program 5: perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x317d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_open_procfs(0xffffffffffffffff, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$iso9660(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000001500)=[{&(0x7f0000010000)="01434430303101004c494e55582020202020202020202020202020202020202020202020202020204344524f4d2020202020202020202020202020002020202020202020202020200000000000000000bf000000000000bf000000000000000000000000000000000000000000000000000000000000000001000001010000010008080018000000000000181400000000000000000000160000000022001c", 0x9f, 0x8000}, {&(0x7f0000010600)="0243443030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020002000200020002000200020002000200000000000000000bf000000000000bf252f", 0x5a, 0x8800}, {&(0x7f0000011100)="88001c0000000000001c00080000000008007809140b2a3a0802", 0x1a, 0xe000}], 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="756e686901c4686a7cbbeebe84978de8510c29599754df21148e8907e65a6ca0772e079e62fd0239413ac77e74f755e096b4e7614fb6b005a82806363b054e36aebbf593da7093aed33797edaa87e34e3568d5fbf85fbc8db52dbc31d12b6d14a8d3f59b27c9bd6beb67e615579b22ee10961ac6bd625672a81e38b17928fe52fdb47d4cbb693d6b9dd0b6c6a58f5c9b05"]) 14:56:08 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0xfffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) socket$netlink(0x10, 0x3, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f0000000040)=0x76, 0x4) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast2}, 0x10) r2 = socket(0x11, 0x800000003, 0x8) sendmsg$NL80211_CMD_TDLS_OPER(r2, 0x0, 0x0) bind(r2, &(0x7f0000000280)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e030a86df875f2e3ff5f163ee340b7679500800000000000000101013c5811039e0c775027ec8e66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5acc326d3a0dffc2c654"}, 0x80) r3 = syz_open_procfs(0x0, &(0x7f0000000140)='timers\x00') r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x111000, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0xd9f, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000200)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, 0x0}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, 0x0, 0x0) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000007c0)='bbr\x00', 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000000)=0x3f, 0x4) sendto$inet(r1, &(0x7f00000012c0)="0c268a927f1f6588b93e480941ba3860ac5cf65ac618ded8974895abeaf4b4835ef922b3f1e0b02bd60da03059bcecc7a95425a3a07e758044ab4ea6f7ae56d88fecf9141a7511bf746bec66ba", 0xfe6a, 0x20c49a, 0x0, 0xffffffffffffffdf) perf_event_open(&(0x7f0000000080)={0x0, 0x80, 0x97, 0x4a, 0x0, 0x0, 0x0, 0x9, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x7ff, 0x1, @perf_config_ext={0xb21, 0x3}, 0x15103, 0x80, 0x3, 0x0, 0x0, 0x0, 0xf03, 0x0, 0x0, 0x0, 0x80}, 0xffffffffffffffff, 0xa, r0, 0xb) 14:56:08 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x0, 0x80, 0xe9, 0x0, 0xdf, 0x5, 0x0, 0xc800000000000000, 0x8c80, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x2, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x8, 0x1, @perf_config_ext={0x100000001, 0x4}, 0x8114, 0x81, 0x5, 0x7, 0x300000000, 0xffff, 0x401, 0x0, 0x8}, 0x0, 0x8000000000e, 0xffffffffffffffff, 0x2) recvmmsg(0xffffffffffffffff, &(0x7f0000001d00), 0x0, 0x2000, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)=@deltaction={0x94, 0x31, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@TCA_ACT_TAB={0x24, 0x1, [{0x10, 0x13, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'mirred\x00'}}, {0x10, 0xe, 0x0, 0x0, @TCA_ACT_KIND={0xa, 0x1, 'pedit\x00'}}]}, @TCA_ACT_TAB={0x5c, 0x1, [{0xc, 0x6, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x7fff}}, {0xc, 0x3, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x8}}, {0x10, 0xa, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'skbmod\x00'}}, {0xc, 0x17, 0x0, 0x0, @TCA_ACT_INDEX={0x8, 0x3, 0x4}}, {0x10, 0x10, 0x0, 0x0, @TCA_ACT_KIND={0xb, 0x1, 'mirred\x00'}}, {0x14, 0xe, 0x0, 0x0, @TCA_ACT_KIND={0xf, 0x1, 'tunnel_key\x00'}}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000}, 0xc1) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'ghash-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000440)="cb56b6cc04dc1f56bb6e284f5fa35c66", 0x10) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007880)=[{{0x0, 0x0, &(0x7f0000001780)=[{&(0x7f0000000080)="a7a65b9b22fabc5cf8ea212703a7a6c7947cb97cb17c7b59a5cc865ecaa8", 0x1e}, {&(0x7f0000000500)="5aae2f6b565a910fbb56fdcd60babf26f7cf5479b6b06099221cb07e73ea9404ff58c6e2ac584a03fd5fe927b15c2fda9864996b8ec9aff1c609350a7170a59b216a20b77c921bcd4de25124818d1d8b9364768bf488cdee6021bb33b3fbf00fdba20c9c402f6c3ec1bd0b0d2beca2660841dd03a41de54cf24ee0a57f232bacbd1a81b341bd951453d143c31621f947ee5f16cdbfa4ceb896294173c28a9ead551a11cfed8e76ae61e731c1c94fb6a4", 0xb0}, {&(0x7f00000000c0)}, {0x0}, {&(0x7f0000000180)}, {&(0x7f00000016c0)="f6e2ea001b20052487b19b73c86e19ddb2fe396d87f6103afe4382adcea3cdd7fd924de619c38fd3ee210e450dd9ef18fcef30bc997c52aacdee72377e0e4084038ed89a3a8477cf9d9ee09321a4c1c1c3b8056dd179e6d9c60a7817b8140414", 0x60}], 0x6}}], 0x1, 0x0) [ 341.829578][ T9430] block nbd0: Device being setup by another task [ 341.866404][ T9438] block nbd1: shutting down sockets [ 342.044791][ T9446] loop5: detected capacity change from 0 to 224 14:56:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:09 executing program 3: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = getpid() sched_setscheduler(r0, 0x0, 0x0) process_vm_writev(r0, &(0x7f0000000080)=[{&(0x7f0000000000)=""/87, 0x57}], 0x1, &(0x7f00000000c0), 0x0, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_int(r1, 0x29, 0xd0, 0x0, 0x4) 14:56:09 executing program 4: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0), 0x202, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x180000b, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x141000, 0x0) ioctl$SNDCTL_DSP_GETISPACE(r2, 0x8010500d, &(0x7f0000000080)) 14:56:09 executing program 5: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='rpc_xdr_alignment\x00'}, 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000080)) 14:56:09 executing program 2: r0 = perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x317d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpid() sched_setattr(r1, &(0x7f0000000300)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040)}, 0x10000, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x40082406, &(0x7f0000000100)='\x00A6\xa9\xbbc\xb0\xf6\xda\x0e\xba\xe5\x91\x8f\xfb\x8dR\xac\x1f\xe9qB\xc7\x882\xb8\xf9\x1f9\xa7\xd1\xbb|\xceL\x81\xb3n\x0e\xa5\xde\xe1K\xf4\xc8.r\xff(\xcc\a,\n\x91_\xd5\xf0\xfe\xecz\t\xd2\xd0F\xe5\xba\xb9M\xd9\x8cWJ\xbc?\xda\x99\x1c_\xed,\frL\xf7\v\xafG\xa0\xf7\xd2\xdfU:\xf3\xd3\x8f\n\xaf]\xd0\xdd\xaat>\xc3.\x0e`\x85=\xd5#\xe7\x00\xdd\xb8\x9fC\x13?\xe4P\x02z\r\xab\x03\x83\x8460q\xb4\xe6@>\xd9;\"\x0f\xfd\x19\xa4\xb0\xe5z\xb6:P:\xdc\xbcH\xd3rq\xc4%\xe9\xb9\xa6E\xf4\x15\x7f\r\xd2\x1c\xca\xf58\x1e\xc6\xfb\xb5\xbf\xae\x82R=\xbb\xc6t\\%\'GK\x02\x98\xd3\xfe\xceB\'\x9b\xf6\xee\xb8.\xb3\xad\x9d\xbe\xac^E\xec\xbd\x8b_\xe0\xa2h\xa9}\'\xce1') perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x4, 0xff, 0x2, 0xdc, 0x0, 0x8, 0x4000, 0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x6, 0x2, @perf_config_ext={0xfffffffffffffffd, 0x2}, 0x8004, 0x80000003, 0x10000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, r1, 0xffffffffffffffff, r2, 0x9) r3 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x80, 0x2005, 0x0, 0x0, 0x0, 0x0, 0x1, 0xa8094, 0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r0, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r0, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r4, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r3, 0x2405, r4) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x11, r5, 0x0) r6 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r6, 0x0, 0x10b, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r6, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x0, 0x0, 0x53) ioctl$sock_SIOCGIFVLAN_SET_VLAN_FLAG_CMD(0xffffffffffffffff, 0x8982, 0x0) 14:56:09 executing program 3: perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000080)="03", 0x1, 0x640}, {&(0x7f0000000040)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000010500)="7f000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 0x1002, 0x2000}, {&(0x7f0000012600)="ed41000010000000daf4655fdbf4655fdbf4655f00000000000004008000000000000800050000000af301000400000000000000000000000900000010", 0x3d, 0x4400}, {&(0x7f0000012800)="8081000000180000daf4655fdaf4655fdaf4655f00000000000001008000000010000800000000000af301000400000000000000000000000200000030", 0x3d, 0x4800}, {&(0x7f0000013900)="111fc0d901000000803a0900803a09000000000006", 0x15, 0x30000}], 0x0, &(0x7f00000000c0)=ANY=[]) r1 = creat(&(0x7f0000000400)='./file0/file1\x00', 0x188) read$FUSE(r1, &(0x7f0000000a00)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_LK(r1, &(0x7f0000000180)={0x28, 0x0, r2, {{0xc00000000000, 0x400, 0x2, r0}}}, 0x28) write$P9_RREADLINK(r1, &(0x7f00000003c0)={0x10, 0x17, 0x0, {0x7, './file0'}}, 0x10) perf_event_open$cgroup(0x0, r1, 0x10, r1, 0x0) write$cgroup_type(r1, &(0x7f00000009c0), 0xd4ba0ff) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) fanotify_mark(0xffffffffffffffff, 0x0, 0x8000016, 0xffffffffffffffff, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) openat$ptp0(0xffffff9c, &(0x7f00000000c0), 0x0, 0x0) ftruncate(r1, 0x2) [ 342.464053][ T9160] block nbd0: Receive control failed (result -32) [ 342.473595][ T9432] block nbd0: shutting down sockets [ 342.476738][ T9477] block nbd1: shutting down sockets [ 342.632734][ T9491] loop3: detected capacity change from 0 to 4096 14:56:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:09 executing program 5: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$inet_udp(0x2, 0x2, 0x0) close(r1) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="550000001800050900000000000000000a00000000000025"], 0x1c}}, 0x0) write$binfmt_misc(r0, &(0x7f0000000000)=ANY=[], 0xfffffecc) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r3, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) splice(r3, 0x0, r1, 0x0, 0x7f3, 0x0) 14:56:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 342.924420][ T9491] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 342.981735][ T9511] block nbd1: shutting down sockets 14:56:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:09 executing program 2: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ff1953ef", 0x3a, 0x400}], 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB='debug_want_i{ize=0x00000000000072f7,\x00\x00\x00\x00\x00\x00\x00']) [ 343.136507][ T9519] loop2: detected capacity change from 0 to 4 [ 343.169714][ T9519] EXT4-fs (loop2): Unrecognized mount option "debug_want_i{ize=0x00000000000072f7" or missing value [ 343.271006][ T9519] loop2: detected capacity change from 0 to 4 [ 343.272723][ T9516] block nbd1: shutting down sockets [ 343.285281][ T9519] EXT4-fs (loop2): Unrecognized mount option "debug_want_i{ize=0x00000000000072f7" or missing value 14:56:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:10 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000180)={0x0, 0x2, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_qlen_max\x00', 0x2, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, 0x0}], 0x0, 0x0, 0x0, 0x0) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@textreal={0x8, &(0x7f0000000040)="d9323e660ff4f9660fc735ba4200ecbaa000edba2100b081ee2e656626660f38f8889a00660f3882ad0050baf80c66b89c836a8766efbafc0c66ed0f209e", 0x3e}], 0x1, 0x1d, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000200)={0x0, 0x1b000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r6, 0x0) ioctl$SNDRV_PCM_IOCTL_START(r6, 0x4142, 0x0) [ 343.560028][ T9536] block nbd1: shutting down sockets [ 343.594552][ T9539] kvm: emulating exchange as write 14:56:10 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'md4\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$inet6(r1, &(0x7f0000003b80)=[{{0x0, 0xf0ffffff, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x200000c1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x23fff}], 0x1}}], 0x4000070, 0x8000) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000340), 0xffffffffffffffff) r3 = fsmount(0xffffffffffffffff, 0x0, 0x4) bind$alg(r3, &(0x7f0000000140)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha384\x00'}, 0x58) sendmsg$FOU_CMD_ADD(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x604020}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x38, r2, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@FOU_ATTR_LOCAL_V6={0x14, 0x7, @dev={0xfe, 0x80, '\x00', 0x14}}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @loopback}, @FOU_ATTR_PEER_V4={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x1e}}]}, 0x38}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000080) r4 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendmsg$sock(r4, &(0x7f00000004c0)={&(0x7f0000000080)=@l2tp6={0xa, 0x0, 0x0, @remote}, 0x80, &(0x7f0000000580)=[{&(0x7f0000000100)="45a5c40ce754d893", 0x8}, {0x0}, {&(0x7f0000000200)='\"', 0x1}], 0x3, &(0x7f0000000480)=[@mark={{0x14}}], 0x18}, 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETFLOWTABLE(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000680)=ANY=[@ANYBLOB="d8010000170a0101000000000000000002000005400003802c00038014000100766972745f7769666930000000000000140001006970366572737061593a0d2c066e300000000000000800014000000000080001400000000008000740000000010900020073797a32"], 0x1d8}}, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000000)={'veth0_virt_wifi\x00', 0x0}) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r7 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f0000000200)=@newlink={0x54, 0x10, 0x503, 0x0, 0x29d24, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1428}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @macsec={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_MACSEC_WINDOW={0x8}, @IFLA_MACSEC_REPLAY_PROTECT={0x5, 0xc, 0x1}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8}]}, 0x54}}, 0x0) 14:56:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 343.679783][ T9160] block nbd0: Receive control failed (result -32) [ 343.688117][ T9161] block nbd0: Receive control failed (result -32) [ 343.695820][ T9502] block nbd0: shutting down sockets [ 343.779557][ T6594] block nbd4: Receive control failed (result -32) [ 343.781361][ T9517] block nbd4: shutting down sockets 14:56:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 343.943793][ T9548] block nbd1: shutting down sockets [ 344.019033][ T9558] netlink: 324 bytes leftover after parsing attributes in process `syz-executor.5'. [ 344.110031][ T9556] netlink: 324 bytes leftover after parsing attributes in process `syz-executor.5'. 14:56:11 executing program 3: r0 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) r1 = openat$sndseq(0xffffffffffffff9c, &(0x7f00000002c0), 0x204840) write$binfmt_misc(r1, &(0x7f0000000300)={'syz0', "2f6d85e6bea3a0802e1585a56b06af9a74df741385dde26f124815b6fbcdc9ec47a0d619141cae8f270118d19d4955dc23c5d672fd3a6872b3b2c4fcfd901798c884c35ee2d4b50189fd"}, 0x4e) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = syz_open_dev$ptys(0xc, 0x3, 0x1) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r2) r3 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r3, 0x1, 0x0, &(0x7f0000000180)=0x7, 0x4) splice(r0, &(0x7f0000000080)=0x8, r3, &(0x7f0000000140)=0x7ee, 0x1, 0xa) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xc010000, 0x6, &(0x7f0000000200)=[{&(0x7f0000000700)="200000008000000006000000600000000f000000000000000100000001000000004000000040000020000000d2f4655fd2f4655f0100ffff53ef01", 0x3b, 0x400}, {&(0x7f0000010100)="000000000000000011", 0x9, 0x4e0}, {&(0x7f0000010400)="020000001200000022", 0x9, 0x800}, {&(0x7f00000001c0)="ffff01", 0x3, 0x9000}, {&(0x7f0000012e00)="ed41000000080000d0f4655fd2f4655fd2f4655f000000000000040004", 0x1d, 0x11080}, {&(0x7f00000003c0)="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", 0x295, 0x11580}], 0x0, &(0x7f00000000c0)) 14:56:11 executing program 2: syz_open_procfs(0x0, &(0x7f00000001c0)='statm\x00') socket$inet_smc(0x2b, 0x1, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$tipc(&(0x7f0000000340), 0xffffffffffffffff) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000440)) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f0000000bc0)=ANY=[], 0x664}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) request_key(&(0x7f0000000280)='dns_resolver\x00', &(0x7f00000001c0)={'syz', 0x2}, &(0x7f00000003c0)='\x02T\x19IDT\xa1\xd8\xdbY\xb7fD\xdd\xe7\xa9\'\xb5\vw\xe2\xc6X\xd6g\xfe+$\x00W\a\xa6$\xaa\xa1\xe0\xa4n:\xf6F$\xe9\xff', 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000300)={0xffffffffffffffff, &(0x7f00000004c0)="8ad2f9c3931e4a8c7036ac7617342f4df48c481bdec52bd4c21659f91c1a3b101a95d58905fcf4f7b9622cc55670c0072d80a2e2f70251466afc657c1ab61992126d563e3db7fbf6668e1425", &(0x7f0000000200)=@tcp}, 0x20) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xcb, &(0x7f0000000080)={0x0, 0x0, 0x0, 0xa, 0xfffffffe}, 0xc) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f00000000c0)={{0xa, 0x4e20, 0x0, @dev}, {0xa, 0x4e24, 0x4, @mcast1}, 0x0, [0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200]}, 0x5c) openat$audio1(0xffffff9c, &(0x7f0000000180), 0x165500, 0x0) ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0xc0045003, &(0x7f0000000240)=0x1) getsockopt$IP_VS_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x481, &(0x7f00000002c0), &(0x7f0000000380)=0xc) 14:56:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:11 executing program 5: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000140), 0x80000, 0x0) vmsplice(r1, &(0x7f0000001540)=[{&(0x7f00000001c0)="6f938ab3abdd8f9df3734a10fec655f6315253f41b38c27b7b156cbe2ce77f6ac4c216d25fd2cf858850012a90a22a8f0b0f58fce166ec7914b322da9a53406c2bf3a931d3ee27dd74e9b873ccf6e1a1d39b4e404c5f026b23a672e2a88d7b980901536b23ddbb792e505ea16dbd19ca7b921d209f76835acc8f5cadbc67e9bd774d5f49e790128e00b5ea0673b216f5fdc1867b231b68a8383ba5feebcc70e6e20a65fe6207b1ac61b1bd5ebd78c087e7a6cf3132a3fa8fddd202adb5c88cbe3b387fc416b1c4ebe6f9c2f3cad2aed52e14d14d3c85a2a633a1b89d1246e657a2a1a21b4d4c5f197c1a27e8f1d9", 0xee}, {&(0x7f00000002c0)="9d23fdca7e79ef925d48c3de0d41c50375d65d8deacb775baef365bf0bb69e09a0488cf0ae1a4bcfc128c7118caec89782867f1030d4e8e0b0", 0x39}, {&(0x7f0000000300)="7c811127e3995f92b24ae3eff456a2a8210a68589b3e2f2d899d0002a4c3d146a6f5677d80682c48a14de2e6f4d3c1168403cce2b077cf6ae93ae1fce0bca07b1afb872b9923461d73ce83399f5a07879ea794cfc2f3867fcbe2c22a3fb462d0ec5ed470099e4a8931d9758627d6dd2eba1bde78d7a6e471c89ae6e0dc5efff84826adb7507778cde7dad028e50ed2edc82068c788284753f559710ae16470887652f4222696b482c6bb413511fb5add1e85e56ae9d9aabd2dbedd7db40d9aac65c20012984c70f4807d97eb0f199694f80345bf6aee1dc0c808127873b9157b9a09f811d87e6c586e25790008aff6e194e6c49fb2f591e7e719504229677d099706c3dda00b89d80752f52899f1f76992c76ffd37e78aa379e1c1b48218fe907edbd00b5accefa8a03a9ed2e28dff974e9464fb0834130ad73f41563104d1886c7b341f35a592072c64b5f7699ee888fa85bf4a426b8218edf857d33bc9eaa9b12db3a427bfd4ec6b45f7764c1a4eb511598ac7193b7239b10e4e5e3f9ba3d4105bee79c718f2447433be8c52be078c73e02faf0bbb9b558960082086867b9007939cfae5a9c7bdd64f2500668f21d87133ca4281707d459555bbf620176f0cf31482a7f064fdc625d6f61922b2f8661c4ca40a7897af78a62cde49a86dd70f557febeb8e9c20c1bb58e5e57b206fdd07584530909d941e1d5a0c72c3fc79c88f6915d871ff31178a8e4cf2fbc77ac3f0efa9647fbb59d53720ce0f4f81e2d15c36000d2134b1081c68741efd45f60cd244de46e1b75ad97417964cc6484c0a4eec9e05449424c225230e027ef9165e373412b7a6b4b6c2db1444663f8d3d64090caca3e3a2fe3463d1e74b29de710bb41a864ee356ec5e8a6c479b3a1e60f5aa79d70a304683148794f5423201b228d7dc3d9ff19682db7e562f9e49f3392188fb0cc8d251d90e240c9aa77a8e0e19379c625eed6b28939f997965b4c8600e3646a3d4e1ccfaaf1e0adbe3cdfe462927d18c5a4dd5d6c5610bb6d27722ab408cca04f482f06596527654c3587b5ba02fbd477414d5ef161a2c63c749eca9e530fb7a6cc6451f5bd95e901d6e1dd9974d75d3feb21bbc5fd5670b01ff9674df85f00142b1f0b0d953ce0bdd29e616dad4a1f66bfb3ef57a112fe1e8d812c19115ca56b7c44e0fc8ffed189efcbc29e0f0138c50fad57c0bdc7565386afb02ae64fa11b2c32f8dbd14d13ddd5737f7cf2b7909e48a6e45771624866a64286ff0e68525e01bd2ff8d98293e2a2939b6af8a0f74df3f43515a53c8ea264604891ea30cfc7345839eaf40344d993d317b34a648454f34546ac6067ce0d6716438bf47ea41891ec25894d8970fc67f037e7268c00dbd0f5306acbd6c681a7e71d25685164b54723f194bf8209709917eae1f21bc790fb01d45eef75a97db4ad30b6333cbb72d1ddc93c565402dc9576bc41a18fb3efcdc448ab4b09555b035dd2accacd01cc363b0e1e136cc812eb4f8fc912b2afb7ad9616857053118b44b00f66b5abf8d84081c00b0d2f6145c0847f0c8ea5afbe754596c2d220b60db9b7585b84a05ecfd4f2ced069a296861ffe4bff39d0e5f916e1c05c4dee3e18d5f3a0853062c862a183b7662e08a4383b05b344135c5cc079875ab73a42f7605727643059c2815b9746306767d62cb68205d62c053b6c4a327fb467ac4849a8c267a96844153eb29f13389cd97eec80ab4e270ecdace3924e00a20e3001f3249e4e0f829eb3fcb3d0492688d40b2ae9b1b3199aa33c2b63cebf51b98a128bee0fccba0371a2e854c60892b6afb9202116958ed4300952aa598456f325edea5e292b77afb60bccf1fc9d7f3a8be8c7922af7c07529d392a6a993a7543eded9ef8506039895b2f1e7d6b3ef7bace5af5702fa7a12629a234a15af7321add35be5e49b12c20c465c6c22c73b5468bb228cef8740dd22d1d049e190c8bc36da52a68f773c345e39f5010821ff55893eac10b737615ddf4fc9882690eb58891c1731b9671ec4a0c8b7c9056a83daa61bcce72c29b56341829790f8ff06fe2ece39a3564220bc7bb656987d2b4b95a4c0162f1c41d4ac2fd4b37759737ab9ff21d582c3223d35771ffae54f6e097b80d3f4a5b839b8f8238601e0a8155edbb562bd9f59fa54f3cb73035fcc08aa45bcceec1fc127700477f607db9a0cb5032e6dc697376a118352e411f4867f1da47c96ea424e51129e2bc6e7ade73cf83b11427a6f89381d28d69e98d9daab2856e6384f63077ff7f5b45d43fcf9bb12def1565363f443b0bd4f1e0cf517dedbd985a0bff15c90ecc451c0361a306b62865dce0625eac2240b9a24ae1674ffbeec28feed3df60f404ef6fde192971ea76fb8aab9e0c0b6ae26f9d8181a09f69bf887fa51e7b63863ad6a50772d1eac2d55fb6c19869e74754a13a0426c83b7cf6090b5445991a2415a8d51af6d7a3d879973d2d8ec22ccc7151ef84764fb10e998b2a35a108876765081d3d0747c9a2543ce88345bcd1c6a02caa4d19926e88cb6b1d2294f9520166a2f27bd35df7060468e0667be877a9fc419a6a8a6fed2998e820aee61d56e68df2036765005387d5da67fcb88905dd3a142187ac7e70db5dc464c3c2c2292c2c064f1f257992c64b26962265f3fb18369a89ca209f59c71b288218779f98317e0b6a1c856896ec201c7600ed92cd43092d02eb222b7bfa5fe7f2550311dab474def2cdb57aa1c43edbaf2ee7243f9a7d601f8e5c856869a545557f1bceb4ad900b12d123db98d2849cbd3d03682d90a7fe3b6cc99f459f096012df9091ddf41a82be3ea340d5c73f64af36bc3d0ddd6af948262a78f698300c81fe38023941a9654d8706df5e67962a4d9d51377a74b171939ace5eef064db5f9b6f5075828fbb955235da882dd6ab74fb858f91c5ec921075b02a612b160516a43583f05c16bfa8cd1e021a698c98a0679da1941293efff2b2bc5ce0eb40e21ab1583b249460727540922ed35e96b4ef3db862687968e337851ce50336211714581e786bfb5fb5fb0784c16aa9f90104eb8bed41b067ac4c8965ec597034ea8a1b24d3a3f626c59c7cc995fbfeac740f994d9693ac41ddc77f6a602d2733a160a55e5f23bff5c3355e5ef7369559bbaa8bbf5f09bf8182ece122a0c9556adfa8bd53cd76fad6c3029d0fd0566d05e541753d3cb31daebccca0a6f23bc389cf5282151d3112cddad8614f9c636d94bab8200b446c1bb047e7ce27a6491def15d06c19b4beb44b5678066bb920c4660377921fdd4eacc935be7cec992579e7760c9451721d31079f3bfe32a67e8c489e7ef805840b77135a7f022192303f23f3c0a7816281a7315b3df9f985ff342828655f6e2901c4c10bc08ed300b69fc9b4d784360b64ce1b5b5e0ae313ec089f027e90409521673cf91f857771eb03921ab0eb09e1d4cea26a14b28ab9742e4b9be642a42ab0dd0b474d49fa3a7059c31037d25b76c3bfb391fdedf9fc26794dc9c4c5985a7759597f8e56feb7bf52bedbd3212b579187cbeb9e7249b98dea71e0df955021118028d8ae24c98acbb555f73a448717f028fca089821b48b77a9e39fe3aa755b7af72ec6834e7b80608b2ea3ad3eec0f1fd27c3180aaabf78cdbaad53d3d4474465b387c242a6b0592a2578e20723fdd2692e887461bcc16165dd96adc8d25f50872b4fc56677293eaf98ca9db7fb3ec5b5dc60e286e27ff9c76a719111dffcd73318c5f50c57e88c4cea22de5a66c652fd7d162e1e3756de2157186d307d52692def23b660b1f6c54d590945d7cf46578d62c9cb00a71d09b48e98938a054a0b12ce941dd00f6ba5b410654c3f7dc8bf10508088df77ce98070eb34df034c4ef2ca2ea1719d3fc3348906222e23e0355d60e558712176860b853c3c65f0f6c07f9341775045fa329c1d4fcfc0468f3183746c55478bac4897729659087db1ac43206c320f4e2496fea1cfede5d99ca14ad73a74bc62c1d4e5fc35d76f933f77f737f13a43baa7415e3ad626ba7a14b411a29b524d213fc1e5e0f66ed1f44d71a8026fb291b54f885ea343019c2e504711e6103b11502da97d26a50eaa9fc685a76fdc32f0a2c2b9de9dd3adeaac59eb0228a91cc60c578adf35062b4fe38b5731c323c921bb75ccfc59863adbfa29b8471cc2b22e90630820decd8014b5bdbbd6ae8e1cbec92d85d2da84e4015ed87f13c6d0c8e16560e9fcddd76c4ba687f8d801b110f5bdf2e6d62bce53784fb98920b8701f5fa2dbf04d24a0ef262785f6b92d02edafe84036cf2d303afcf41e33baa6449ca00bdd3d2745cbb3fa02e19d1237e930e4eb32a1e4d876137ecfe9fda77c304b119f009c2bdb4e0c477b711236e2d01fd497deb6f0c3a967fa151c57f4a5f1e86eef4385e87c38cf8bbc8b2cb6af3d8d9ed5ddeb174564aab743735ff1721b07d44630c722324336ac0189db3e40bca3898cd09e349bda424d969ee65813a15cedacaa5f95797300db2f20a0363a94cd472101ea3d26c336ad7fb0a1ea1a5a79d4fdd19c2ac5c452b7f1ef322afc09191991345df1bd88990fd8921919acbca67ad6c8c9fc79f3a5f1f11c4ba0a026218e6ffe35b8af0bcd12a81bb7c0b964a3047b1be50c47b2915b4d665c5822f3e61a6f1f20c5edb90e6c2a9d0ecce5b9b2e821c8db8fb8b668eb41a4cf50a3f8119d96b6388e3daa9fabd69ed2a22a40673861d4c322c00d4516bb0eecb7c61da1e84152351521fd6c2027b0de832c3b51415b2dea4c3d001f68e0e58beb362d522e5921df93284c09061afe0e9122f475093b2e755dbd9e7d2868ffb6706da41a4608dd3f68e220290048a2c4b278c569165b61c68a6a6339e58d0e961e495df50784fdf88a6b902d8affe34252d18ce1fe76e2f7db2385a53aeae168b449dcec2f2476204f7dc75081183901184b372a79474aa18496cc2328c65e4988e5efbd493d909757c017de525bdc2e7449ccec3dd5facd7aceca5ba09e0f4d7af472966e7a48183e82828e8b84f5bd792ad522868d67400f836dddb429e663bd4af2688c15a7abb6149cb7c7c3c0c896316ce9870e80b3165599e64633cf76d4634b46253b48aaeef1237584d0443fa537e56d54c431af69c6112393b62e79fb8609eb498181fd177c77fd13771490322fc2cd5e0b8649256eec360bf7a810468a53d9604bed034dc3c10d3d02669722a0b8b5a94694f90ab6ee67a4715ae9b79288aa00f502528a33d25d4ef1d4f34c1031bcd44b1ad674b33b1bea161ca9e1805f2bc7dc520a3d3fce4ce8ae4ae2dacf41b1325feba86282a473620af37751c4feb0b759d57f4d5ee919c9c7bca66d3a42cd69f38d3610dad0f30d730c12590917040d3fc027e43df577cb613ff967d56e5794400662ee02d53a707ac720b98243eeb3baeb68fd882c6da65633000079f17d4f54dfa415a9ba9eb8e40f6168bc62eb49754449521212ac9e51eb903049164fb1411044f291928ec2fb3cac52a92e0fdc63f5078d12c47d5e20b4eb5fa548f20d026d11a5cde5634eb83675342a41606404340476c00e880caaca5a4a96f19c3b350f1fd34b18e7c84bff1e6d405291070b8baa2af8231e9f655fde05e2e3d9f52edf5e9f9a433b4e248dc02969625015f62aae0eb0cc3126e824bdccd5f56866e641afc7cbace6b5e854bb508ed987ba0f9f549a82aba4bc14dfb5e0173e150c19105fe9a088de96c85ddaffbb2f5a5257fc17a1a1086be2e0b55ef3e5eb057af0279b5b79d32052bcc9f43344b19", 0x1000}, {&(0x7f0000001300)="055d0b5535652b97bdf7be0acbd260e5c7fffb9bb5533f4afcbe5f0274abadffc37643d880cfa950273bb359890c14442bf082c6dc33aadaf6694a2ef74ca09595ed775202e13b8b8a5c727cba48d33a3f49afaf0889734946236421dc507b4ae13264275ad270f70ccb69103c87ef4c74a6a00b644cbdc11aebd85dd16c783efee00f6c0adb81c7b945642bda75548bae5704c2bc6d4bddf4b641fde2d5b871bf6db078756a", 0xa6}, {&(0x7f00000013c0)="ffffc36c06b9c4f501ceaf6c828def87b3820bf65a443f98f7388d8e9f91c7f876c094482de5f089a1b88ea502616fe874878c13f0a1e7baa93cc0dd7c07bcb99eb2177f3956d3e60dadccce", 0x4c}, {&(0x7f0000001440)="aa6df5311a2e1dd0a54db29b6cbceadafa4b384f5e3ed77b2c2d88528c5515620dda47aa15406fb7d99cee8c3751ce0ab0cf638bd913e48160d024520857ff6b75b8cc23995c0816c36ecfd9439247a97173c030a73b4d06c4751acbfa098dae962381b067f5f789c918cb75896eeda34a4dc27cf6d29e758c3ccd0d13e812660e979198c5d4db33e196c7cad54a6b77c41f7c3c59e67d7d8d28f93858398f4b8ce3d74428a0b4a40380844b979f789a92ef0ad01db3fb8a8c1b4b07ac61ee8d7f8ea315caad4afa0b6101b730372f329330239bcfa9aa363dcda9c70a125f83aecd7beaa4b9e59f933924e9779b575f5047a3c42c66de97", 0xf8}], 0x6, 0x2) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) r2 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f00000000c0)={@dev, 0x800, 0x0, 0x3, 0x9}, 0x20) r3 = dup(r2) sendto$inet6(r3, &(0x7f0000000000)="f82721f3284669c882d9e45ef6a47e7d37a32259fa5c593dd06d6d12ce84d31e7b835c158f0aa7a840a1817821c2b5767a04916edbc08a6763eb5d34bdb00a7c4a2a0297e954b33795bac5d970f1383ad6816be10e527b19bbf5abced9323038d292", 0x62, 0x200000c0, &(0x7f0000000100)={0xa, 0x4e21, 0x7fffffff, @mcast2, 0x9}, 0x1c) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x3000008, 0x810, r3, 0xa3400000) setsockopt$inet6_int(r2, 0x29, 0x21, &(0x7f0000000180)=0xffffffc1, 0x4) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r3, 0xc01064b5, &(0x7f0000001600)={&(0x7f00000015c0)=[0x0, 0x0], 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANE(r4, 0xc02064b6, &(0x7f0000001680)={r5, 0x0, 0x0, 0x0, 0x0, 0x9, &(0x7f0000001640)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x380000, @private0}, 0x1c) [ 344.829476][ T9560] block nbd0: shutting down sockets [ 344.889943][ T9582] block nbd1: shutting down sockets 14:56:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 345.146952][ T9593] loop3: detected capacity change from 0 to 264192 [ 345.365203][ T9593] EXT4-fs error (device loop3): ext4_orphan_get:1414: comm syz-executor.3: bad orphan inode 17 [ 345.416220][ T9593] ext4_test_bit(bit=16, block=18) = 1 [ 345.425086][ T9593] is_bad_inode(inode)=0 [ 345.430500][ T9593] NEXT_ORPHAN(inode)=201 [ 345.435459][ T9593] max_ino=32 [ 345.439388][ T9593] i_nlink=0 [ 345.443160][ T9593] EXT4-fs warning (device loop3): ext4_update_dynamic_rev:1055: updating to rev 1 because of new feature flag, running e2fsck is recommended [ 345.511426][ T9155] block nbd4: Receive control failed (result -32) [ 345.520134][ T6594] block nbd4: Receive control failed (result -32) [ 345.528036][ T9578] block nbd4: shutting down sockets 14:56:12 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='memory.events\x00', 0x7a05, 0x1700) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x11, 0x8, &(0x7f0000002040)=ANY=[@ANYBLOB="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&(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x4}, 0x10}, 0x78) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={&(0x7f0000000040)='ext4_ext_show_extent\x00', r1}, 0x10) write$cgroup_type(r0, &(0x7f0000000000), 0x248800) 14:56:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 345.738744][ T9593] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 345.791888][ T9607] block nbd0: shutting down sockets [ 345.882120][ T9609] block nbd1: Device being setup by another task [ 345.934184][ T9615] block nbd1: shutting down sockets 14:56:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:13 executing program 5: clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) clone(0x8000080, &(0x7f0000000000)="cc0e8d22fcda0e521741c4026616ca4dfd5c6ff9f2617dc90e", &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$IPT_SO_SET_REPLACE(r0, 0x4000000000000, 0x40, &(0x7f0000000d40)=@raw={'raw\x00', 0x4001, 0x3, 0x248, 0xb8, 0x0, 0x148, 0xb8, 0x148, 0x1b0, 0x240, 0x240, 0x1b0, 0x240, 0x3, 0x0, {[{{@ip={@remote, @private, 0x0, 0x0, 'caif0\x00', 'bond0\x00'}, 0x7400, 0x70, 0xb8}, @common=@unspec=@LED={0x48, 'LED\x00', 0x0, {'syz0\x00'}}}, {{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @local, 0x0, 0x0, 'ip_vti0\x00'}, 0x0, 0x98, 0xf8, 0x0, {}, [@common=@unspec=@connlabel={{0x28}}]}, @common=@SET={0x60}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x2a8) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x15, 0xf, &(0x7f00000000c0)=@framed={{0x18, 0x0, 0x0, 0x0, 0x27, 0x0, 0x0, 0x0, 0x7ff}, [@ldst={0x3, 0x3, 0x1, 0x4, 0x9, 0xfffffffffffffffc, 0x8}, @exit, @generic={0x80, 0x0, 0x8, 0xb034, 0x9}, @ldst={0x1, 0x2, 0x1, 0x6, 0xa, 0x6, 0xfffffffffffffffc}, @ldst={0x0, 0x0, 0x0, 0x4, 0x6, 0x2, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0xce5, 0x0, 0x0, 0x0, 0x2}, @ldst={0x2, 0x0, 0x2, 0xb, 0xa, 0x1, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x8000}, @map={0x18, 0x3}]}, &(0x7f0000000140)='syzkaller\x00', 0x2, 0x4b, &(0x7f0000000180)=""/75, 0x41100, 0x10, '\x00', 0x0, 0x4, r1, 0x8, &(0x7f0000000200)={0x8, 0x2}, 0x8, 0x10, &(0x7f0000000240)={0x1, 0x2, 0x8001, 0x7}, 0x10}, 0x78) [ 346.635177][ T9633] block nbd0: shutting down sockets [ 346.735004][ T9631] block nbd1: shutting down sockets [ 346.783761][ T9640] block nbd3: shutting down sockets [ 346.815312][ T6594] block nbd4: Receive control failed (result -32) [ 346.824918][ T9155] block nbd4: Receive control failed (result -32) [ 346.832827][ T9619] block nbd4: shutting down sockets [ 347.300383][ T9647] Cannot find add_set index 0 as target [ 347.317972][ T9648] Cannot find add_set index 0 as target 14:56:14 executing program 2: syz_open_procfs(0x0, &(0x7f00000001c0)='statm\x00') socket$inet_smc(0x2b, 0x1, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$tipc(&(0x7f0000000340), 0xffffffffffffffff) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000440)) sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f0000000bc0)=ANY=[], 0x664}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) request_key(&(0x7f0000000280)='dns_resolver\x00', &(0x7f00000001c0)={'syz', 0x2}, &(0x7f00000003c0)='\x02T\x19IDT\xa1\xd8\xdbY\xb7fD\xdd\xe7\xa9\'\xb5\vw\xe2\xc6X\xd6g\xfe+$\x00W\a\xa6$\xaa\xa1\xe0\xa4n:\xf6F$\xe9\xff', 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000300)={0xffffffffffffffff, &(0x7f00000004c0)="8ad2f9c3931e4a8c7036ac7617342f4df48c481bdec52bd4c21659f91c1a3b101a95d58905fcf4f7b9622cc55670c0072d80a2e2f70251466afc657c1ab61992126d563e3db7fbf6668e1425", &(0x7f0000000200)=@tcp}, 0x20) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)='w', 0x1}], 0x1, 0x0) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xcb, &(0x7f0000000080)={0x0, 0x0, 0x0, 0xa, 0xfffffffe}, 0xc) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f00000000c0)={{0xa, 0x4e20, 0x0, @dev}, {0xa, 0x4e24, 0x4, @mcast1}, 0x0, [0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200]}, 0x5c) openat$audio1(0xffffff9c, &(0x7f0000000180), 0x165500, 0x0) ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0xc0045003, &(0x7f0000000240)=0x1) getsockopt$IP_VS_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x481, &(0x7f00000002c0), &(0x7f0000000380)=0xc) 14:56:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:14 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) r1 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1fd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x7f, 0x7f, 0x9, 0xc0, 0x0, 0x2, 0x4, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x514, 0x1, @perf_config_ext={0x100000000, 0x5}, 0x1000, 0xb9e, 0x53, 0x3, 0x1, 0x7, 0x3ff, 0x0, 0xffff1833, 0x0, 0x3}, 0xffffffffffffffff, 0x3, r1, 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) dup3(0xffffffffffffffff, r6, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r6, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, &(0x7f0000000180)="c4c235aa1066ba2100b000ee440f07b9800000c00f3235000400000f30b8010000000f01d9b90e020000b805000000ba008000000f30420f38c9ee420f928e00000000c48181c6080066bad104b0e3ee", 0x50}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r6, 0xae80, 0x0) perf_event_open(&(0x7f0000000240)={0x4, 0x80, 0x8, 0x2a, 0x7, 0xf8, 0x0, 0x2, 0x8000, 0xa, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x2, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x2bcb7661, 0x1, @perf_bp={&(0x7f0000000100), 0x2}, 0xd0, 0x7ff, 0x1b1a, 0x0, 0x0, 0x3, 0x7, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, r0, 0xf, r3, 0xb) 14:56:14 executing program 5: r0 = syz_open_dev$vim2m(&(0x7f0000000000), 0x5, 0x2) ioctl$vim2m_VIDIOC_S_CTRL(r0, 0xc008561c, &(0x7f0000000040)={0xf0f048}) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000200)={0x0, 0x0}) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r3, 0x0) ioctl$vim2m_VIDIOC_DQBUF(r0, 0xc0585611, &(0x7f0000000280)={0x3, 0x3, 0x4, 0x0, 0x81, {r1, r2/1000+60000}, {0x3, 0x1, 0x5, 0x2, 0x4, 0x81, "d90770ac"}, 0x7, 0x4, @planes=&(0x7f0000000240)={0x746, 0x401, @fd, 0x1}, 0x52, 0x0, r3}) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_pts(0xffffffffffffffff, 0x0) r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r4, 0x2405, 0xffffffffffffffff) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) fdatasync(r5) mount(&(0x7f00000000c0)=@md0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='omfs\x00', 0x2c6082, &(0x7f00000001c0)='+\x00') 14:56:14 executing program 5: prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x9, 0x8d}, 0x0) r0 = getpid() perf_event_open(&(0x7f0000000340)={0x5, 0x80, 0x0, 0x4, 0x0, 0x9, 0x0, 0x6, 0xce0d774114a9ed24, 0x5, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x60a1, 0x4, @perf_config_ext={0x10000, 0x1}, 0x2000, 0x2a, 0x4, 0x1, 0x7, 0x410, 0xfc01, 0x0, 0x9, 0x0, 0x80000000}, r0, 0x7, 0xffffffffffffffff, 0x2) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000240)=0x0) sched_setattr(r1, &(0x7f0000000440)={0x38, 0x2, 0x0, 0x4, 0x9, 0x2000000000001}, 0x0) sched_setattr(r0, &(0x7f0000000040)={0x72, 0x2, 0x0, 0x0, 0x8}, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000480)="b0a3cdef47f59ec515de0fcb5dfc761cf7120c4312b2054efdc0cf574f65329a05d03a24674b1d94d072b4bd702c576dc1d6e4fef97bdd899d359dadcfe32ba24fb1e152533e4df2c20324dda85d95c102000000d81d2b9bea7f9e468b3da19d62e9913b2f7cd488de25886811470818af91afd3bce1422670d6f2d054d8b16374e3617a22b1c70e7e3104b8", 0x8c) setrlimit(0x4, &(0x7f0000000200)={0x1f, 0x7}) vmsplice(r2, &(0x7f0000000000)=[{0x0}], 0x1, 0x0) setrlimit(0x5, &(0x7f0000000280)={0x101}) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x0, 0x0, 0x3}, 0x0) sched_setattr(0x0, 0x0, 0x0) mkdir(&(0x7f00000002c0)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) symlink(&(0x7f0000000140)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38//../file0\x00', &(0x7f00000003c0)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38//../file0\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) truncate(&(0x7f0000000100)='./file0\x00', 0x0) unlink(&(0x7f0000000040)='./file0\x00') open(&(0x7f00000001c0)='./file0\x00', 0x3fd, 0x0) 14:56:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 347.922061][ T9674] block nbd0: shutting down sockets [ 347.968546][ T9673] block nbd1: Device being setup by another task [ 347.998367][ T9677] block nbd1: shutting down sockets 14:56:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:15 executing program 5: r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x40505330, &(0x7f0000000100)={0x30e, @time}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, '\x00', 0x1c}, 0xd}, 0x1c) setsockopt$SO_BINDTODEVICE_wg(r1, 0x1, 0x19, &(0x7f00000001c0)='wg2\x00', 0x4) r2 = perf_event_open(&(0x7f00000012c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x41000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d3b9ca5, 0x0, @perf_config_ext={0xe3c, 0xfff}, 0x1, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet6(r1, &(0x7f0000000200)='\n', 0xfffffdef, 0x4d87a, 0x0, 0x1f4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000000240)={0x1, 0x80000000, 0x1, 'queue1\x00', 0x9}) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000080)=@IORING_OP_FADVISE={0x18, 0x0, 0x0, @fd=r3}, 0x0) pipe(0x0) poll(&(0x7f00000000c0)=[{0xffffffffffffffff, 0x4040}, {0xffffffffffffffff, 0x9030}, {r2}, {r1, 0x2000}], 0x4, 0xc2) [ 348.559439][ T6594] block nbd4: Receive control failed (result -32) [ 348.567183][ T9155] block nbd4: Receive control failed (result -32) [ 348.614656][ T9686] block nbd0: shutting down sockets [ 348.619970][ T8944] block nbd4: shutting down sockets 14:56:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:15 executing program 3: perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f00000001c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000000c0)={0x4, 0x80, 0x16, 0x8, 0xff, 0x9, 0x0, 0x3, 0xb0d05, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_config_ext={0x7b, 0x4}, 0x400, 0x401, 0x5, 0x2, 0x3, 0x7a5319f0, 0x1f, 0x0, 0x6, 0x0, 0x9}, 0x0, 0x1, r0, 0x2) bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x6, 0x6, &(0x7f0000000140)=ANY=[@ANYBLOB="b40000000000000061110400000000008510000002000000850000009500000000000000000000000000000000000000de979fe122f603ed1cbe6d4f9725ea65db5696"], &(0x7f0000000080)='GPL\x00', 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x5, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 348.798374][ T9700] block nbd1: Device being setup by another task [ 348.848781][ T9700] block nbd1: shutting down sockets [ 349.569768][ T9155] block nbd4: Receive control failed (result -32) [ 349.586083][ T8944] block nbd4: shutting down sockets 14:56:17 executing program 2: unshare(0x2020000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) unshare(0x2020c00) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000100)=0xe) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0xffffffffffffffff}, 0x78) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$EVIOCGPROP(r1, 0x40047438, &(0x7f0000000180)=""/246) ioctl$PPPIOCSMRU1(r1, 0x4004743c, 0x0) unshare(0x10000400) unshare(0x10000) 14:56:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:17 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x440, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) mount$9p_fd(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140), 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="7472616e733d66d25119102228000000b8e0642c7266646e6f3d", @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',version=9p2000.u,version=9p2000.L,\x00']) 14:56:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) [ 350.572648][ T9724] 9pnet: Could not find request transport: fÒQ"( [ 350.580492][ T9715] block nbd5: shutting down sockets 14:56:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 350.669026][ T9733] 9pnet: Could not find request transport: fÒQ"( [ 350.703509][ T9734] block nbd0: shutting down sockets 14:56:17 executing program 3: r0 = syz_io_uring_setup(0x1ede, &(0x7f0000000240), &(0x7f0000002000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r2, &(0x7f00000000c0)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x0, 0x0, @fd=r0}, 0xa99) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd=r0}, 0xff12) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_ASYNC_CANCEL, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000010500)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000001840)=ANY=[@ANYBLOB="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"], 0x808}}], 0x1, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg$inet6(r3, &(0x7f0000000d80)=[{{&(0x7f0000000080)={0xa, 0x4e22, 0xff, @dev={0xfe, 0x80, '\x00', 0x22}, 0x5}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000180)="9c4a4936e66dfdbb9df776a2cc6bbb69447e53bef75e45106d4308173c34d0565436aa11beb9b13970f3a7db73905d867726ddb286", 0x35}, {&(0x7f00000002c0)="a36e329be4ac7077e5e4b2e1b1d8f61ebc116f70684d598a274c26f51f4dc4ef751cd2fd9386a0bcb494abad12355f7b3d8acb35263d1d8d5f330eac048aeaee68fed6e6762ec50a116631093acfc9b5ef50f2515cff6f3a914b6defc84ec2044e040e9ec55a9a0f5f097d0a274af32c83fdda5fe9f05bbea5723f106f7044e2e7", 0x81}, {&(0x7f0000000380)="c3aa6786412f01de84767dd8fbbb4ce5bd08a15bdb699dc40a289867c10044d4b3a579d26d9ce4064a648ecb8dbb96e8da099821d44afdbcddff1650d08048b1c98cd5e4c5fc04d18557e74e07c68fb01257d05e3ba725dc9c5a6c7ba92e7d92dfa3c5185a44a55b37333c5c6831cdb418965bc9872af8ab05995f134eb93117071891d3cc441deebe86ccb82d2414a6e903a4642b5614012b0944301c900111f528f6747b836f677a7766386246cc00058fdbb294ece24042ed90a5220c6ba857ff59a9c7d87a9be9e797dcd01a7bc6a371ae711f461fd51162cb3e26", 0xdd}, {&(0x7f0000000480)="aadc0579d26c1b1bb6652c64f518771cfee30ef1d85d9fd6d2c49526e8a114e6e455166848ea4571fd918d9b70f5d3fd7d7eca227b752fe4c22c0beecb4f128853a5006d98b59022747dc3be472c10703a28b9daab6831f92c029bc9cec361534cd62b5ed51cd95375b13c57d91def60362dad10b59016bda9198b486224e4ae0845abf21fef07c4fbf83f46a087cab973940ae93abfe280f187632af71a52613d2b23b948b4510c7b0cb54c911c55881550f6bca7a896e583fb7b43904bfaef4ffc3841ae758cfb6e29c4e2279332ce7cb1923bf3cf4166c5bf87d47b6b5d0935d5e530e83efea0f9f4270099cae7df38", 0xf1}], 0x4}}, {{&(0x7f0000000200)={0xa, 0x4e22, 0x5ba, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x8}, 0x1c, &(0x7f0000000a40)=[{&(0x7f0000000580)="2b713e03672dc6f8623b687a55a280c7150aa29e9fc286830bb10c3140d3b1b3d73a2401e3769b56974afbe880f69a47dc4a2b4388db89ac7e6ab48ce1fb3fbea16f88c2df92b905a55971368112c355cad5cbd43719e329725943202e1fc7a8234a43a894d1d0152c49c3b99324da8efbb30a9eb3ee3fb66e9b3327f28703ae09a1b6aaa1865cbdb412ec94600046e45c7d5eec66", 0x95}, {&(0x7f0000000640)="c52ce48053f0e68e022d6bd64df80446712f0b915c86ccd9ce1e14ea35bc", 0x1e}, {&(0x7f0000000680)="1c3c6a4a820920fc0c471f5b73e8d3512955daa46d10a426127141c9ec7f982b799a021cf005481f759f909f6d5ae0ea033a580876b9cae2eef7c9885215ed924988a89c965f60a89f62187814ea6ad353daf2389d1851a6209a3578e3b0355fddb3cfb2b7e84dc81b9a7e5134af68c34d9f9cd762df1c5b2e", 0x79}, {&(0x7f0000000700)="aa4f16f1813293c45011150e80bbdab4a822a98290cc80ca07b647af4b4b8e3cb1fed5215bbe9d9b772a3b71c9b9d9c60f7782ff441dd94616c0db8f07a05a10dcbb168729da5155041aae8b7931d5c12f636f9b31c73f16bdd616375d47b7183a3cecdf288fb053a72d575596a518c712e0b718f22f804921b347e24f0497352314dd99e6e048e936a3bc3a054cc2faea4ccf682336c8b3aca6eece0552f2117b63ef974c21952145f5da", 0xab}, {&(0x7f00000007c0)="7b2b04ab62181c00fd2c140b57aa5da1c24ae722aced6610efa599920f52f73fee862ffaacd3154503eb2ce15a50f79b9b59268a7765427d9ed460314b2023d12c716bb3f29c249c3ba32e224556fdf07fae3973ad09bd42c69c702dc7fc94e3c14e7b4fda17cd649bce1052c7748194a46e0a7a4a7a2f984d081a9ce1b9ee4fb3bb02aa61108ad6133f1b3e40461368599b4c9282340c765dacf8ca9816b30983d1ac33536183", 0xa7}, {&(0x7f0000000880)="ef4bf6f8b7bcb9b14adce2d94fbda83b557b7785c01f2649d140e245505f10c216fcf72d206bdc31aa3b53105c125d9f11cad79126f79968053840275da0736dc3c59f6f45a400", 0x47}, {&(0x7f0000000900)="bb6a9c4a2850b75bb09085aff4786d38170184e1819568295257bc860ef3b123718ffc9c53ed12a20d851633eeba4f2d93dbf9f86c767173612e67e274aa3fdb74c810808f85f54cdd669717f70f41fadba0bb1d210ce404575e91659b19f003de6b3626b92ca87742bbf68e90ed091a5eb143154a3c563b0fb6f35e6b136369e1249f7600312e71fb66d7990cb958754e9d5421d1eb216c43025424c7966c3709", 0xa1}, {&(0x7f00000009c0)="89cb2769065be092b98d4bb556cfd3a84ec08c1426c65130b42e20c324d49316d6ab58045976b3917161d3f35e72a6cf88aff19d2bc3d14e5cd848a6613d04eefa88ed526dc1e6f931eba82d3b982e36597460ec59df328008", 0x59}], 0x8, &(0x7f0000000ac0)=[@dontfrag={{0x14, 0x29, 0x3e, 0x6}}, @dstopts={{0xa8, 0x29, 0x37, {0x87, 0x11, '\x00', [@calipso={0x7, 0x20, {0x0, 0x6, 0x1f, 0x6, [0xfffffffffffff7b8, 0x7, 0x4]}}, @calipso={0x7, 0x58, {0x0, 0x14, 0x94, 0x1f, [0x4, 0x4, 0x1ff, 0x3, 0x4, 0xd9, 0x5, 0x5, 0x3, 0x4]}}, @jumbo={0xc2, 0x4, 0x348}, @jumbo={0xc2, 0x4, 0x98}, @jumbo={0xc2, 0x4, 0x5665}]}}}, @tclass={{0x14, 0x29, 0x43, 0x75b20d13}}, @dstopts_2292={{0x38, 0x29, 0x4, {0x2b, 0x3, '\x00', [@ra={0x5, 0x2, 0x6}, @pad1, @padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @ra, @ra={0x5, 0x2, 0x5}]}}}, @hoplimit_2292={{0x14, 0x29, 0x8, 0x7}}, @hopopts_2292={{0x28, 0x29, 0x36, {0x6, 0x1, '\x00', [@generic={0x0, 0x4, "4c6040f3"}, @pad1]}}}], 0x150}}, {{0x0, 0x0, &(0x7f0000000d40)=[{&(0x7f0000000c40)="beed5410baaa127f307dfbdbf2382ee4e7fe1f79db0b58ff7cdc1d6e8d0bf4d8a34cd3571a1284095e82a9b7eb14172d16c62d98812a3f957e7e2a61470f8be2513ff8020c", 0x45}, {&(0x7f0000000cc0)="b5a9777d427b5df5e5c37e6a08d45acbb00bf6838baada17b6629e53522dfd85996f979f699fa1f74b25baed9f54d906f85c277998761c1df73f78ebaa5422166e4a0f54231a30aea568b99df30b7ada1700", 0x52}], 0x2}}], 0x3, 0x4000) io_uring_enter(r0, 0x2ff, 0x0, 0x0, 0x0, 0x0) [ 350.754170][ T9737] block nbd1: shutting down sockets 14:56:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 350.969500][ T9744] block nbd5: shutting down sockets 14:56:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 351.152193][ T9748] block nbd0: shutting down sockets [ 351.221932][ T9729] syz-executor.2 (9729) used obsolete PPPIOCDETACH ioctl 14:56:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 351.275462][ T9155] block nbd4: Receive control failed (result -32) [ 351.281362][ T9758] block nbd1: shutting down sockets [ 351.292901][ T9719] block nbd4: shutting down sockets [ 351.388111][ T9760] block nbd5: Device being setup by another task [ 351.502576][ T9760] block nbd5: shutting down sockets [ 351.528572][ T9764] block nbd0: shutting down sockets 14:56:18 executing program 2: pipe(0x0) syz_usbip_server_init(0x1) 14:56:18 executing program 3: r0 = syz_io_uring_setup(0x1ede, &(0x7f0000000240), &(0x7f0000002000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r2, &(0x7f00000000c0)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x0, 0x0, @fd=r0}, 0xa99) syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd=r0}, 0xff12) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_ASYNC_CANCEL, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000010500)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000001840)=ANY=[@ANYBLOB="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"], 0x808}}], 0x1, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmmsg$inet6(r3, &(0x7f0000000d80)=[{{&(0x7f0000000080)={0xa, 0x4e22, 0xff, @dev={0xfe, 0x80, '\x00', 0x22}, 0x5}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000180)="9c4a4936e66dfdbb9df776a2cc6bbb69447e53bef75e45106d4308173c34d0565436aa11beb9b13970f3a7db73905d867726ddb286", 0x35}, {&(0x7f00000002c0)="a36e329be4ac7077e5e4b2e1b1d8f61ebc116f70684d598a274c26f51f4dc4ef751cd2fd9386a0bcb494abad12355f7b3d8acb35263d1d8d5f330eac048aeaee68fed6e6762ec50a116631093acfc9b5ef50f2515cff6f3a914b6defc84ec2044e040e9ec55a9a0f5f097d0a274af32c83fdda5fe9f05bbea5723f106f7044e2e7", 0x81}, {&(0x7f0000000380)="c3aa6786412f01de84767dd8fbbb4ce5bd08a15bdb699dc40a289867c10044d4b3a579d26d9ce4064a648ecb8dbb96e8da099821d44afdbcddff1650d08048b1c98cd5e4c5fc04d18557e74e07c68fb01257d05e3ba725dc9c5a6c7ba92e7d92dfa3c5185a44a55b37333c5c6831cdb418965bc9872af8ab05995f134eb93117071891d3cc441deebe86ccb82d2414a6e903a4642b5614012b0944301c900111f528f6747b836f677a7766386246cc00058fdbb294ece24042ed90a5220c6ba857ff59a9c7d87a9be9e797dcd01a7bc6a371ae711f461fd51162cb3e26", 0xdd}, {&(0x7f0000000480)="aadc0579d26c1b1bb6652c64f518771cfee30ef1d85d9fd6d2c49526e8a114e6e455166848ea4571fd918d9b70f5d3fd7d7eca227b752fe4c22c0beecb4f128853a5006d98b59022747dc3be472c10703a28b9daab6831f92c029bc9cec361534cd62b5ed51cd95375b13c57d91def60362dad10b59016bda9198b486224e4ae0845abf21fef07c4fbf83f46a087cab973940ae93abfe280f187632af71a52613d2b23b948b4510c7b0cb54c911c55881550f6bca7a896e583fb7b43904bfaef4ffc3841ae758cfb6e29c4e2279332ce7cb1923bf3cf4166c5bf87d47b6b5d0935d5e530e83efea0f9f4270099cae7df38", 0xf1}], 0x4}}, {{&(0x7f0000000200)={0xa, 0x4e22, 0x5ba, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x8}, 0x1c, &(0x7f0000000a40)=[{&(0x7f0000000580)="2b713e03672dc6f8623b687a55a280c7150aa29e9fc286830bb10c3140d3b1b3d73a2401e3769b56974afbe880f69a47dc4a2b4388db89ac7e6ab48ce1fb3fbea16f88c2df92b905a55971368112c355cad5cbd43719e329725943202e1fc7a8234a43a894d1d0152c49c3b99324da8efbb30a9eb3ee3fb66e9b3327f28703ae09a1b6aaa1865cbdb412ec94600046e45c7d5eec66", 0x95}, {&(0x7f0000000640)="c52ce48053f0e68e022d6bd64df80446712f0b915c86ccd9ce1e14ea35bc", 0x1e}, {&(0x7f0000000680)="1c3c6a4a820920fc0c471f5b73e8d3512955daa46d10a426127141c9ec7f982b799a021cf005481f759f909f6d5ae0ea033a580876b9cae2eef7c9885215ed924988a89c965f60a89f62187814ea6ad353daf2389d1851a6209a3578e3b0355fddb3cfb2b7e84dc81b9a7e5134af68c34d9f9cd762df1c5b2e", 0x79}, {&(0x7f0000000700)="aa4f16f1813293c45011150e80bbdab4a822a98290cc80ca07b647af4b4b8e3cb1fed5215bbe9d9b772a3b71c9b9d9c60f7782ff441dd94616c0db8f07a05a10dcbb168729da5155041aae8b7931d5c12f636f9b31c73f16bdd616375d47b7183a3cecdf288fb053a72d575596a518c712e0b718f22f804921b347e24f0497352314dd99e6e048e936a3bc3a054cc2faea4ccf682336c8b3aca6eece0552f2117b63ef974c21952145f5da", 0xab}, {&(0x7f00000007c0)="7b2b04ab62181c00fd2c140b57aa5da1c24ae722aced6610efa599920f52f73fee862ffaacd3154503eb2ce15a50f79b9b59268a7765427d9ed460314b2023d12c716bb3f29c249c3ba32e224556fdf07fae3973ad09bd42c69c702dc7fc94e3c14e7b4fda17cd649bce1052c7748194a46e0a7a4a7a2f984d081a9ce1b9ee4fb3bb02aa61108ad6133f1b3e40461368599b4c9282340c765dacf8ca9816b30983d1ac33536183", 0xa7}, {&(0x7f0000000880)="ef4bf6f8b7bcb9b14adce2d94fbda83b557b7785c01f2649d140e245505f10c216fcf72d206bdc31aa3b53105c125d9f11cad79126f79968053840275da0736dc3c59f6f45a400", 0x47}, {&(0x7f0000000900)="bb6a9c4a2850b75bb09085aff4786d38170184e1819568295257bc860ef3b123718ffc9c53ed12a20d851633eeba4f2d93dbf9f86c767173612e67e274aa3fdb74c810808f85f54cdd669717f70f41fadba0bb1d210ce404575e91659b19f003de6b3626b92ca87742bbf68e90ed091a5eb143154a3c563b0fb6f35e6b136369e1249f7600312e71fb66d7990cb958754e9d5421d1eb216c43025424c7966c3709", 0xa1}, {&(0x7f00000009c0)="89cb2769065be092b98d4bb556cfd3a84ec08c1426c65130b42e20c324d49316d6ab58045976b3917161d3f35e72a6cf88aff19d2bc3d14e5cd848a6613d04eefa88ed526dc1e6f931eba82d3b982e36597460ec59df328008", 0x59}], 0x8, &(0x7f0000000ac0)=[@dontfrag={{0x14, 0x29, 0x3e, 0x6}}, @dstopts={{0xa8, 0x29, 0x37, {0x87, 0x11, '\x00', [@calipso={0x7, 0x20, {0x0, 0x6, 0x1f, 0x6, [0xfffffffffffff7b8, 0x7, 0x4]}}, @calipso={0x7, 0x58, {0x0, 0x14, 0x94, 0x1f, [0x4, 0x4, 0x1ff, 0x3, 0x4, 0xd9, 0x5, 0x5, 0x3, 0x4]}}, @jumbo={0xc2, 0x4, 0x348}, @jumbo={0xc2, 0x4, 0x98}, @jumbo={0xc2, 0x4, 0x5665}]}}}, @tclass={{0x14, 0x29, 0x43, 0x75b20d13}}, @dstopts_2292={{0x38, 0x29, 0x4, {0x2b, 0x3, '\x00', [@ra={0x5, 0x2, 0x6}, @pad1, @padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @ra, @ra={0x5, 0x2, 0x5}]}}}, @hoplimit_2292={{0x14, 0x29, 0x8, 0x7}}, @hopopts_2292={{0x28, 0x29, 0x36, {0x6, 0x1, '\x00', [@generic={0x0, 0x4, "4c6040f3"}, @pad1]}}}], 0x150}}, {{0x0, 0x0, &(0x7f0000000d40)=[{&(0x7f0000000c40)="beed5410baaa127f307dfbdbf2382ee4e7fe1f79db0b58ff7cdc1d6e8d0bf4d8a34cd3571a1284095e82a9b7eb14172d16c62d98812a3f957e7e2a61470f8be2513ff8020c", 0x45}, {&(0x7f0000000cc0)="b5a9777d427b5df5e5c37e6a08d45acbb00bf6838baada17b6629e53522dfd85996f979f699fa1f74b25baed9f54d906f85c277998761c1df73f78ebaa5422166e4a0f54231a30aea568b99df30b7ada1700", 0x52}], 0x2}}], 0x3, 0x4000) io_uring_enter(r0, 0x2ff, 0x0, 0x0, 0x0, 0x0) 14:56:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_G_CTRL(0xffffffffffffffff, 0xc008561b, &(0x7f00000004c0)={0x8001, 0x4b37}) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 352.009242][ T9775] block nbd0: shutting down sockets 14:56:18 executing program 3: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x100000000, 0xb3f3}, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, r0, 0xb) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, 0x0) r1 = getpid() openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/loop0', 0x80200, 0xb4) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) syz_80211_join_ibss(&(0x7f0000000140)='wlan1\x00', &(0x7f0000000040)=@default_ap_ssid, 0x6, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$AUDIT_SET(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x884}, 0x0) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f0000000280)={0x0, 0x4, 0xa535, 0x6}) sendmsg$NL80211_CMD_SET_INTERFACE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x28, r3, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}]}, 0x28}}, 0x0) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x50, 0xffffffffffffffff, 0x0) getpid() ptrace(0xffffffffffffffff, 0x0) 14:56:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 352.058474][ T9781] vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) [ 352.065379][ T9781] vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed) [ 352.125081][ T9781] vhci_hcd vhci_hcd.0: Device attached [ 352.152477][ T9793] block nbd1: shutting down sockets 14:56:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 352.166497][ T9783] vhci_hcd: connection closed [ 352.189593][ T1085] vhci_hcd: stop threads [ 352.219002][ T1085] vhci_hcd: release socket [ 352.229074][ T1085] vhci_hcd: disconnect device [ 352.245657][ T9788] block nbd5: shutting down sockets [ 352.342279][ T9801] block nbd0: shutting down sockets 14:56:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:19 executing program 2: write(0xffffffffffffffff, 0x0, 0x0) r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x46802) io_setup(0x1, &(0x7f0000000180)=0x0) r2 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r3 = open(&(0x7f0000000780)='./bus\x00', 0x14507e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r3, 0x0) fallocate(r2, 0x0, 0x0, 0x1000f4) perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x89a1, &(0x7f0000000300)={@local}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000049180)={0x0, [], 0x0, "dc66b42d73a84c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f000000c180)=[{{}, 0x6e}], 0x1, 0x0) io_submit(r1, 0x45, &(0x7f0000000540)=[&(0x7f00000000c0)={0x101010, 0x400000000000, 0x0, 0x1, 0xc, r0, &(0x7f0000000000), 0x377140be6b5ef4c7}]) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0), r0) sendmsg$IPVS_CMD_DEL_DEST(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r5, 0x200, 0x70bd28, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DEST={0x34, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x1dfdb0e5}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0xfff}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x9}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x7ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x400}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6}]}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e23}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x41810}, 0x30) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x11, r6, 0x0) [ 352.556834][ T9804] block nbd1: shutting down sockets 14:56:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 352.628161][ T25] audit: type=1800 audit(1628088979.450:11): pid=9811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14056 res=0 errno=0 [ 352.752724][ T9155] block nbd4: Receive control failed (result -32) [ 352.753574][ T9777] block nbd4: shutting down sockets [ 352.782271][ T9814] block nbd5: shutting down sockets [ 352.798591][ T9812] block nbd0: Device being setup by another task 14:56:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 352.930763][ T25] audit: type=1800 audit(1628088979.460:12): pid=9811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14056 res=0 errno=0 14:56:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 353.032738][ T9822] block nbd0: shutting down sockets 14:56:19 executing program 3: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x100000000, 0xb3f3}, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, r0, 0xb) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, 0x0) r1 = getpid() openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/loop0', 0x80200, 0xb4) sched_setscheduler(r1, 0x5, &(0x7f0000000380)) syz_80211_join_ibss(&(0x7f0000000140)='wlan1\x00', &(0x7f0000000040)=@default_ap_ssid, 0x6, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000700)={'wlan1\x00', 0x0}) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$AUDIT_SET(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x884}, 0x0) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f0000000280)={0x0, 0x4, 0xa535, 0x6}) sendmsg$NL80211_CMD_SET_INTERFACE(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x28, r3, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r4}, @void}}, [@NL80211_ATTR_MESH_ID={0xa}]}, 0x28}}, 0x0) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x50, 0xffffffffffffffff, 0x0) getpid() ptrace(0xffffffffffffffff, 0x0) 14:56:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 353.259000][ T9826] block nbd1: Device being setup by another task [ 353.267539][ T9830] block nbd1: shutting down sockets [ 353.381005][ T9839] block nbd5: shutting down sockets 14:56:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 353.645535][ T9847] block nbd0: shutting down sockets 14:56:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 353.797680][ T9852] block nbd1: shutting down sockets 14:56:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 353.889577][ T9811] syz-executor.2 (9811) used greatest stack depth: 22440 bytes left 14:56:20 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) prlimit64(r0, 0x6, &(0x7f0000005180)={0x800}, &(0x7f00000051c0)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000004c00)={0xffffffffffffffff}) r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r2, 0x0) r3 = accept$unix(r1, &(0x7f0000005880), &(0x7f0000003a40)=0x6e) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x8e) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$USBDEVFS_SETINTERFACE(0xffffffffffffffff, 0x80085504, &(0x7f0000000000)={0x0, 0x3890}) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='maps\x00') ioctl$INCFS_IOC_FILL_BLOCKS(r1, 0x80106720, &(0x7f0000002240)={0x3, &(0x7f00000021c0)=[{0x81, 0xa5, &(0x7f0000002040)="a49100bc2ea82c573094f5e86a8c247682d84d77f9285778f1ef5809f981342e1e6f95ad3cffdb3674cb1dcb7099863528cb0a55952ca52f2f28b692dc4d4a0d5faa01295dd59bf9fd0b04181526e39a5e207b6839601358fa865074181157f12abbc3afdddff90f90d5ab3fd91b76968ce97c459ee2557fcd897813e3cde133d5fa34f05d4c6f6565bf543d9de37378cd4c105952094de91df41e9946bc9fa36969295b32", 0x1}, {0xfc000000, 0x9e, &(0x7f0000002100)="927cd49986c5af2598c0a7cecf917de498571d2b5d983a8b097856d210a83618b9d13e0d71aaefc13c9eabbc420e50b829ea4bdc5adcb7f0c3cac44b3e6ca9670f3c14f3c434d5abff9aa1957e35c3bef5a10fe63c5d43556c1e4d429ed2c35b05980e1fc5c98332ba1ad726ab35553b93d4a8e2326bf466c14732e6eca3019a9965d12a5c105ed95123373ea86363a651cf856f6b545eff14236c34e441", 0x1, 0x1}, {0x7ff, 0x1000, &(0x7f00000024c0)="9b19ec88c3674b5527ccbbd6b7a50ffc669bf7aa2cd40c65d56abac57c4256d0c240d1d5d953d6cedaf2e80dce351b3ac3761f6966bcce616e53c0843f3e39086d62f8007799c398bc12f7751d34d5d7ddaba874a9abe95878f7bce9bb85b0f0123613a6132f0443da86dfcf33b120d076e7a540d27d1242b2084cf4b4c7f56bb482c2a699d921b6e644c84885d3f970ef0b7c184962f34b4e902c6966428a916454af91edf9bc90fd259810beb376743ca9a0f631fcaba752a990397df1443a7cf8f8a489faddc934ac9afbff5096cc32af336756e5c9167e99d85175cc943455b1b7dce42b9fd394bc69baf7600dd3a82b8aa3d0e493f9029115e09bdd1199d5957eec6c732127b7cb25cd834622de668b72f681459c7a7497626913b680457132b9c31ac65b418ea0750f5aa8e88600eaf663b2279de42e85f3126aa3d01537cf7b387f8da068c08fce29bea0519202f3b36d1889f1b4c377d5a752fd2de567b356e74ec5217fe4617302879eda30be9caf268ae0103818d4bbd02c7f218635353be2ddb6f08b10fe19a546be14df89a9a15bed5678c5204f6d247b10dd4dfe51301ea21e31331c2434830390272824e0294917b2a8e229bdcc67df4f305b0d94c6cb53ca3736b1cb00624a25275cf44d37061533e99e06d357563e0da04ef61dfb10c1329dbad9485e238fe275fb4492c5aaa119004ad32f5eff392c24cbc84a3a70df2d27e86521de577e6da06c9f6da49db235f654e2d1a34b79b89c5e713a345529ed39023bbbc94856b6b81bded703e41f2a243592b1d7b4b7bd0c8ed7cf7066cf06859df852f227f7ac48d29d3bd0623530c293401519edf42314edabef7b76d564de18807e4e8c4c61fa94815e5d83bc5b2bf7ea9e26ef44de6f9c708f71887a61afeb2a01e1890548b9e5fd559ea29fac185fdfd08358e380c6814282a919f5b0ef35d717c48a5851e7baf8a6c6dac98b77a92ad80df008b480395f38873c781cf58268098dff18001fa742b3d59949660cea3ffebfb5293f91dcdeb6f4d1e036e9cfe2ce1bdd2a387d905a73364473b57dec4a05b2c4651a74d950f323b3a45daafd6f6c3f1cb2b0a1607469406c6d8bd57992f65a5c49c2a81c6598112d978fff2a007dcda29c0f84cf0ea5a18a3bf204b89c130c3f15eaeb0ecd96b3e80fbefeb9f2fc6ccf15c491b5ba6272404a62ff872f0e328d0508461d671b273cd55658795e65e39c3317027a781ee6fdbb71de52afe2e76143cda76bc73a217849179cba9760ae80982c646f8767f323af1845dd711e144c2dd65ef0b4788d1d2f3f14d8efaef941f93512c974f5efc1a2e664b2acadbf178786364e6e4f8e15a0ea0b5b0a9dda958fe3e53ed50e5e111d89540e5724d9b97f398755dc7e96b24f3af21de858a406733e1e1b858012e12759fc091f4ff397ed08857ce18b91d863a4e899107f89b5548c4299ba7a3c3b654d3fd3ba3cd31f6be30baff53a349437a5c287459358a482701e9c6a9d9e2760812d06fd58d40cb03c5e7bec09b663bdd8acdd00fb379c218ae62fa0934155020f09d2e850fca5fc39905900f4d3526e714b65a90d65b1fba575e58b0bb9da72cbaa3a4b02b15d55d07574b5ac740febf5741a0d792b3d18fce98642cb1e41a26e4c2f6b6f14663ea5bb3c3ff7cdc22a34b63e2f63460bf875a8fc2b85dac34ef1d255ee089bee650d22beb8f06cc42580ffe531fa3a0b79811ab7adcbd34a70cce2f6fa318d1f73fe8055ce4796d973cd757f0f39adde02381e84aa7b20355e679ad1ed6cb188863abf619d2f990791168ed321e4da4be8d4c37e22a8665a64da4e12721e6f926ad5c6a1d142b6b5575bcfa8dc473cec1f8b8a4d63cad37efa448f0185054882e4134dfd525e6e7f5e4a500fd41935fe442eccb9ee224d29183ac5f7e3b2bf9db696643723c446e6b3ac0c793f276caf559d9a04c3406140de43ebdd5c036aae74a3c2da7d9d39516972f6abb819a54d6cda9f84195737af02efad112e1ab84028030ab61df6b32e00a1273e2cd73e292bcf5b759eb23818252abce54c62f14b133e93101853c1af1aa66b31bbd1a5cf0567889add9fed283604d3afc8185c7dd920ede1f2cf431c610d867956a8b1264cd86e07bdc26b46f2b8aae69e2485dab46029d3fd38984f75733f8980e7adaabd990334568cf13ceef6c93b81e0fb61d11e2331ceb0be06456f3558b04db3ff754f149cb02f54d43eac6927cdb601bb26a6e067cbf97d23b8ec617759290bbbc0032ed37e653f96d85a546f5fc8b02307caaaae447ffbb0ce01d4d5766d68142af92f1fb160ffab33f380c7b51246d892604d8f3ff7d498e5a0ca3171b4a8ec1f933f2c771cc59ad29778f4038c25558acb558c8ed0baf488afcdae0c65b6dacb0e33aa495e4bb63d0a740f8f287d3a62bb295b6a7105a68a708f65f3b213ecf188241e1cd12d347bc4e1b6346c2efa9f7bdc3d4751aed81daa1ee128f456747ac3a62fac1110e68aae3df1e96a0fefcc0714adff8a84957aa8f6da4ae52f7e505c5d5558d8fbe74148c92d911bd512b7df57bc25c25117bceedbfa36bbec74e3ecd6d0fda1fa2ed327662f893e6c27fef5a5e3e44609c7a1b32c79607a9404f4452b8be2ec2fdc8b53be4ee30bb192f58064cb02186cd1ad662e7653391398f7ca49cc57aad9608a1c1447f3e6ffd2eaf19b006168155606039b5d0ff2ff66641daeb05a1376cfdc74a25036b9368c006c91928be69b23e423a64d0d398a6a83578443afdbf9d32f4da7b161cb036d703045566f8f44fe624a83b337fcd7d3d8fdc0ec9ccbb2e3ea764eeb695d618890b363a2bc552397a7717099cfd9ba9bd53ffff6957e01b1c8cbbc4dfbe1347e788479c326603f1188b2ed6ac928943abf277cb36037a3aabf378e433c3b3143bde36d75a81a88158dac7a84ff37ebda7a407a345b13ea871b8f9da4139239c695d0cdc8a040be5c3c59a1bcd83b65b8ff6cfd62a54f8cfb7f4c9aca9de65549651d1828c47b3ca450cbdc3e3691b56e2bf9b5bb58f3545bc776a1b0564f9be4b71bfc187d15b11fd0c074c594a7e57522fe8d4b30b53c5402702a691311ad250d45857aa9d7372fbc3eecfb794175f7902e4010f7ca7c747e39920615be5c92352e06c8c3aa8cc7d403231d1ec9e02d67a050f7b66e3b78f1e31239c67ed46a33268cffe470649884b4a7bfa01149811bd0e0dbbe81eff62e1f657325f52f45672acb8dc650728a61957ac8b3b2bb008dab2fc32271177d1bfcc27c924663f7f6e883e62565de2d1b4f9c81f5502822cbe1018947d64e03da6f62aef12e328b55577ec1860aeb08323a71c6986907b3893c007adab127490b7a4b8a27e82b31bf141afded29e507a47627e4b0cd65a6a6c2727001c0627ded19f96e5a0ba46d4e82b5da7da90a1149a271d76b43c37ed08eecf9ba7844844636f0fe0301cfe36bc7e272923a7cde082fea8be4a715a26b39d06766d9b3c3827b8cd0062bd46a77f4fa4228649b29daadafe63f2857535d7efb5e739d0b17e4e94b17041e9cca1e02a0b15fcbc5427b8d40212cc5e53988e2d7e6135a40410c2605dd79d79e4aeeac636bc15aa4d419d56d73acb060b39ceb6e7a69c024a1d80847db94b6202c31d3029e5267707ac89faff9786a193bf4b6d41fb2d748c8a4693b06df56d8b9d62f84bdde6a6df6754b093287abca07ca554d134087bbb4d4ee876ca7cde87f3803ff26db19c2affbf8e415b2bb22ea583cc77a3590d4a53e33b96320e110228913371b8b89d6f029679df9a546e61fadc9b710ed683126a1e647846aa509584e9e578c3a79d581dee7f2c93a68b9ce50692987c21f36fc2ba2f9887139f17abf836195e3a27d038f5ebac362bc9a00632caf53367dc063a07c5d0635da0d0f6f5997787424bcdbd859aedfbeea94bec9ac4ed1679c20c8b2a5f65333d9ebf27e0d5c80be4a89fd7ff9227e1feece2f792ebc5b363dce230eacdb8231084395e1a3b43125f688f8a5fc2666a474e387cc81cab80c8edf625ddad975784dd54d6281b6b990176fcd7d4b29dc1729d7f489b60a433fce619b15dabe2e28b6f1313195e31464b3121c4a4eb63b1f62cd752b67c62298f297deacbd75775b15b318d2db23ecdf13beeff4dbb4aeb44903dc048b9c7ff1d98cb05f8c158f28d7d13b762c8b3d1ad971646112addfee715893954f19313d61c2e0fb2a721ab1659a79e36b6616b1a726da725286a955d6e0973d32f46355451f6a1d88cc15ce0629e98219072dfd418e09051153c84af959de9d5b5251f0b8a90311c857b1e08eceff85ab1ee00be47a28f79d30dafb487c562b4f74c259720d0c780cca29aaf35946237470e5bfd267a9d0bd921bab895ca014dc0127ce300d6ce2f0132a84403f028a6d332a84d1d05af09dfc053b5e875d2f3968c913d0597cf38228a3b3b673c5a1ec21cb9de3a37a71834e6bdf886a8d1ca00f4cd48854ea2591294bf13f8efe492d051989086c5f7e5cb7eee17551a7cfa7fbd6c428dc625930e194058d02da0b88497bea5fcf02fb68bf9d3bf2df9b91c440cbc5d68d4652e97f54acd7f090969575f54b0011bed9df3f24d5d44ff2b6aae59ba7854d650d2cb6a78b65f969aa754e7fec2b3649d1bb82725bb425d7b23a29f4962f6730f04c96be6e5452a87df4e78ccac53987ea0492911a9a5c1e69af33e0ff41e1a5caf025a214ecc33cda8de45864d7759c6a32cf2ce544f3bd73d3c7a662803508252dc4c8f6b998cbf9ab55754b8a0be5c590d0d21419ff08aed83e9ac6a4998300e6f12fdf2651056b8bba26139dcdd9761501489182e5ecf45d4757096c06b1274c058074221d4b31d0d134425c81fae64bf7cebfd5c75b8013e612a7696bca3a57d2303cb7c3b42885608bed34f659ae830cf9bddd818b9015cb884a4bfbe5dcba97e7532c24113074d8a47ed7f3d79409249eb77a4c1bf85cb70de8e2debd7c4f569b3a88ed22ced997c5af66754241c2db6af08e41fdf447f4405979dc95d5e74aaa492cf09c033d7743cd0893c8429d2c852fc6e7e7f7972525ee8da635b15d1e43f7b4144089cfc5e488261c54f8519a7a79f483006ecff1399d8442932537479e320f2d76d67a01c5e8f1893b1a79f60ec14f9835274bfd452ef58d1dae1d42b160e21984b4ccb9497f41cd912030c1ec785b7c7c54e04e149821a946e5403eab3cebc809606443072a7116d66eb967b109d0c2322732f89f6550c963ebfa767c0ffed751c8b33d6ae477c35b67365d0d8ec315f2ed914f745c46b1e9dcd726bfb030a32278b2e1696bedc56c682a267770bdba40b140c1ac2cd3c11869be5416dd46799549fe75411655425c19343d38108c30bccac9af5cee8bc9ce722357e0f8f3694c863dc3de9f297bd8fe9484859d28c7826043083c1a5b4ee5b1c1f2d85c20577e7c6c8c7125ff4b7f14f181f41847a7caeb6f6a6d69d58c2a80aef926e0725e2e76bd4fdd64d3cd144ea7a9a35358e6dfb0ff6f97f44f217a87b037646214f7152a0fd8c70b687c782140af5c4bbd018234e7adb98b60e6978246d2d6d93c97570a3838b3eb0ebe1478b56d24f02fa83cdc270ba5875f7a3c0433825e6ba19cbcdd7da8442a70368ef3bbcc8a950e07862a064d040f7efac34259663c33dfc9807ea7b76312292027ffde1fb842951d9780c00aebd6729eecb86eaa9a998e09eb1182750409adcea864608c14eba5a1f9a92f101daa811f7cb4eb647af0d34059422b559d", 0x1}]}) r5 = socket$unix(0x1, 0x1, 0x0) r6 = syz_init_net_socket$rose(0xb, 0x5, 0x0) sendmmsg(r5, &(0x7f0000005680)=[{{&(0x7f0000003700)=@in={0x2, 0x4e20, @private=0xa010100}, 0x80, &(0x7f0000003ac0)=[{&(0x7f0000003780)="1d28433d9f87186318b436672b4afbefac5034c654b29d2ed53f84a6115ffd8b51facb35e0a7b4dfe91cc04bcb5d3d0626fb72d5372ea1e44cc054a0331ea67fb7deecf397119a94b6fa4144ad03d7c308dbc2d639b78ee4ac356c2c6dae93bc53e450cc45dc0f1bf40445df98b05c1d60cdbc5084bb7005683e8a5ba30b9e7dfcc3c7345dec490da62020b46b5cc0311e0922da54d211b9a2dadc9b13c3f66aace79af5956edd87b311f9f33e05c62dea919fb1e442cec14e773ecc45619cf7ab44bb31fbef077883b90dec966b02eb38b8e6145bd5259ca143eb3df0cd3f854e507591ca9661d6fb0d", 0xea}, {&(0x7f0000003880)="adc2344053df23a59cad89f0443c11dd1e6ef69039499dd2d21968377f1eef1c97c6562e26645d98ee6cca250a8d928782c8775b39c15ac5a032b21f57349cedb92ae8fabc67350a", 0x48}, {&(0x7f00000035c0)="8de242a1be2a8cb3c375d9d7a90442f08cf563a7f91afe577e2675e043b88b2245ed5ea458a51801d2e0a2ce3eb630af255b92b8", 0x34}, {&(0x7f0000003900)="c7a3009ddb2c2b749161c7da1f1b2f0867569880a85e43d0e9bbd6627a8b4c477ba508694e93d7294d40297f8b5508189e", 0x31}, {&(0x7f0000003940)="4c4b8a6104746e6571aa1b4a2170faeba97390321fe0194e2dd2078545d5a2f4b1db046ace9f6e30816262f91cb7b53091a499dcc0e72e53a77a9f57136daebcefc2297e8afc2d58d7e291c6e8b5", 0x4e}, {&(0x7f00000039c0)="12ea1215c2608794718807045f95f06f088a14fe080d58fa8b5c17d148554772", 0x4}, {&(0x7f0000003a00)="acfeb457cfb0568fbd8f16ad786accd15ba085b4e03cc3d2a3abd6af155f8267011dac13b1a2572fcd6b", 0x2a}, {&(0x7f0000003a40)}, {&(0x7f0000003a80)="be90a6ccf7c32e7c021dc11e301813a73d88dee933ecee041b80c26315685c1ca3d67b5589ee5494c55207a7f781dce406efa901a418e7fa83", 0x39}], 0x9, &(0x7f0000003b80)=[{0x48, 0x103, 0x3ff, "2e63c96eb7d600271ca91076969832cbfe5992fb00602d6bdf48826d2c8f2dcc2079719d8704d96f0d3ae19bd2203dd79d05c1c73086"}, {0xf8, 0x0, 0xfffffffd, "1291f2796d4b0ad20c2acad38c01e0f5e07fea8d7eeda783e007e2bf033bd0751d8f8811c1d3e32064d9c96b9bd9fb73d04f53038eef71c527bb53c59937b6f196ff47d5b1d74b637647da9d5c2753c31604874262405aae650ca0ed3bb241c875752b094e9068729f8cc3a4ad7b4921f3216779abc058630ec1495c5f648b6f214a537bd7c2ab2a02ccb8a91531250d3c665ff103317bdebda7ce05cab2453341e520fc04d42642ae630edc0cb7ccf0ff13626c97b38e045d2346ef5d42d0f53f29a53fea55159841f1c3d1d0090cfaa43da017bc18f1b3120db86fb0978a4a25cf733fb9"}], 0x140}}, {{&(0x7f0000003cc0)=@qipcrtr={0x2a, 0x2, 0xfffffffe}, 0x80, &(0x7f0000003f80)=[{&(0x7f0000003d40)="34889468cd99854252057b9da39df45cfb130deefe461515e6977b7e923951bc3e34c6a96fa45520d47c85fd4ace7d65a73be8ac609338c71bd97f3c6b", 0x3d}, {&(0x7f0000003d80)="23d8578fc94b7386e5fb6c6ebbf9c793c10f52df75e826cc1e7d8b948ab122d91ba5ebd1a7c93c0056440b7946962bdc3e0041dcb8b31b8d93c6ae763265ee33cc1a65a0f763a6367464fe7f62417a64bed61ac49655bae46669ea0512ba5c05ecc1b4375bc743062d036e6283d998d32edd7a9314767f5b5a70d449ef5d8bc9d530c6c762434aa0df5a78c7ae29c1efffb5acb071d4e8468d103b25", 0x9c}, {&(0x7f0000003e40)="612313a53f0ee986ff4d0b29bcc26db82a63567a92fb40a45eb5b20a0c89e5db9bd68f262c2230151a676d81a6a813c1b8223a783e6a71b16c3dd5c6ead22020d5675ac22f01a5c26e4c14fa44ec4a1052e45aded61f063d88ebd3d618f94b2eabd186846a1a8c2265933c52f0d9f3e0ad0b3013392b9c6cb15d82002e36eb7f493ee73278d95bc656f1048f1d86041e6ee3eeb2169b7a553de04b258a63d4141983c2e149be78b7565d08e43efe4327c216ed7f3e6a63fe8032", 0xba}, {&(0x7f0000003f00)="d365d06ad584fed6185ceef29b58ffea4ce76c33514f38fc11f9246a5af01972eac63bd92edc43863402b2329c22e54a75f8ac1c3147d0528b07f1c5ea004e992f28d5824863c36efacd344cd2", 0x4d}], 0x4}}, {{&(0x7f0000003fc0)=@vsock={0x28, 0x0, 0x0, @my=0x0}, 0x80, &(0x7f0000004240)=[{&(0x7f0000004040)="255a47901bb371eaa542132160000b56a3e9f4ef2d85e9b0c1183d893bff3dcce6586d940814ab754626989b8459cff33d3215f090120b76ebff9bb3f3d275cc7a46b837e403072843986cec8e8fb7d41235f8a68b390419fc82532b91e05fca94323d6e30b5311535a098e1d2b0debeb6d820a3cb2a477b5d4cd531beee71aced6d822257d8c15da2a99822baf19a2aba66496f58e139bc556b6e41ddf63fd330dd45501bd2df4a9b6e7c4889dde9e47b9e56ef469af891", 0xb8}, {&(0x7f0000004100)="73be3e290d6f27ec8a9b6fc088d93d20dfc54ef97aaf656a5f0815a27ad970b8fc3a4f8f45f94b9918af632c783797e8c8b5313d6529e880b0daaa8c935962275ac3b5b29ab6bc024340d596283ec086723a3abe2cbb93bdcb6ab4869fc820d52897e05b", 0x64}, {&(0x7f0000004180)="33e34db84ebee187e0a0cd859f1d265e201bbeca04ab2af3d709706da05c0478582b544b732e89903fa99c7ad2c3d7a4027ba59d2e6a7fbd2a672d32ee6d871c42818c67d5daa822af755ba6fac73815d9e582f26d534faede0352841d1c937dc3f3c4ec00afd51f7bd6d6815cbdc1e8b16e6d672aa5b781", 0x78}, {&(0x7f0000004200)="f87986fd917e43ba868d0a43d9d688ceff5bd30f83cd1e44fb7feb7aaea7a8e5f58f47667ccd8cdb", 0xfffffffffffffdb5}], 0x4}}, {{0x0, 0x0, &(0x7f0000004580)=[{&(0x7f0000004280)="cf85951b11fe44728ebadda4778b53bc5a1b8cdac6d4f0cd341d2f263dbbb97774f2a6ed4edd8a985bd7254265b6d5522bb4b1704d5e365415ab146218", 0x3d}, {&(0x7f00000042c0)="b6b2a74df2b5a74f2aac09e87776bc976b5ea5181dd406a791a68db57c0ba7092a4a12f888acc2a8dcf9d48006b1da6ba7be4b8a1d75f74f44934c4c0eee61", 0x3f}, {&(0x7f0000004300)="ba725935ffd2bc91c87f7da00336619b33f71d1f351e2e1788d4ad92de8b67388992567b0b7007751896f3e6acea759972e11fa5aae2fa2d67b47ae74a635c22775a4fa96d5405cf62ebaf71d36fa94c4dd703791f967174906e3e246d0e47dfcd8cbcf6370a7cbfa0898d960467692ecaf0054df1fed37510b58b138f7a58c4b34520872098b7234242834fde5f2c4031828893219b4b5017804e0fae0eadf54546400f", 0xa4}, {&(0x7f00000043c0)="6dda8492abfc976db3c5d6ca942ea56b3b21c0b1e2fe5e3014992d0fa44e7dee0e3c8e8a7ccaf77edfc01674de3f42beeb35e325985582e664d8547d87340ebd342167253507e259b9900b4322c5720c08710b17ee798f9ce52475729e25d2f9d126a6af35482587883f702f5b793fa853b9064003123d711fc7ee8adbeb9fd2b5b750f482ba766bc39e500a895f58285534f91ed386797015b6993f3fc168acfed891a752f1bad0fd7e7bd3a7d4c1", 0xaf}, {&(0x7f0000004480)="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", 0xfe}], 0x5}}, {{0x0, 0x0, &(0x7f0000004940)=[{&(0x7f0000004600)="5f8a70d7b1d279905268f87c8d7f257c0a1d722d45b02423dcbc748ca10af4f3d3cac8a3d0b46f7e398ae88d2f582781f9804415a9b0c12da258f54348adcc730475d02ff12f3880b4e7a28189356ecf002f5f026c8ad1740393e434f26fdc0fb6d4b338390fcad0be70c605b461d09df961ba8d224b9786e7b2a0b1afffd2e3a808057c87c974e84c8515c804198be6daae96836637549d1e131bdebb1d8702a4e2b87faf6cb604d60770ed091f761a2f9ad771731673255c6bf2fcbac04c71b9dd7b64172126", 0xc7}, {&(0x7f0000004700)="9cbebbc8e0f3df98454a106519698f219461cad37f81e2746bb56cf89f3fb166c78f69637de69f5189ff49c2403e44c308ee2a2388db135d301272330a88d7229ffa1dc82eac509efba0332a1221e30c6e397f9fbc969cd20cfd08304ff6d9930d680f5c815fb7711ad22d2f0d97d46e830760b5d19796b01984556b196e2c7bea9d9539689d7082f1a4d6c5f1d7f9b3d31f70a3a4584a1054db0861500514e2a2109d7e0a1d4504295c37b0d33c2258b97242c1c1dd01ef65c0", 0xba}, {&(0x7f00000047c0)="88c8b012041bc5e2d0598850c75f01aef9a01f9d77c72ace6c6fd8a101bd68c5581314e21dad83f38f292025903e026b86404e24cd563eeb0de4b66f3109268915108307625545a4a03115dd2440484b6ab48e70d8e976615d07da6a5b036234150520cd03da1f821cf321149523c161cc2b0cc4e96e15de52e6463171cd03e38a70909bcadb6bc8cd2a68d004bb656e88960a619de292c706db26d02077decffed31f3eec361b1d58add4b7cf8e8aad955643c769039b4242dd739817a05f6b", 0xc0}, {&(0x7f0000004880)="a92e009fe30a53368428bce471156877626aa7ba01c827e15aa3765055443ff130609e9520af75bc3d998b2c852cc2886e441a9172dde80ea7f910a62f0dc70ae5e9ca6a42bb5e46040e712d8362e1bef35bb2e838e6462ab741f7978163e043a126ac36f9ce9bcfda0e8c8fdcc9ebf749d48c8a92aa63dd585fa009d229f60654d82f26dce46e9e43927ca0ac70c7b135b66127284ca8369165eeb53198f0c95674f1755c3c0c9e5dd092", 0xab}], 0x4}}, {{&(0x7f0000004980)=@isdn={0x22, 0x7, 0x2, 0xfb, 0x3f}, 0x80, &(0x7f0000004cc0)=[{&(0x7f0000004a00)="bdb8a48841293ff5628c558b27dd81aba5cce725e246b74333c91d65c385a69f2171e18690485f20688008bfb59c00cd198a23c82dca5efb1dd330cc8181e1946672e1d9e09daf239d99d352897af6678348f75cc66d483707717f32d567516722818dce88723950ae2baf005b2cbc8281ba45cadb235ec0cff07da19cf1294f02e0d4281e3e047b4b12469f9b02d96b78cb59798a9cafddcb5b89941a85a86938cf8e06e96f7b16b36211ca508e43dff0abe36fdd95f0ab8d07e65396a7d8ae8c398f0f7446f482b078979af004ddd3d35eb0e83d297420d9b5507b43f882d4f9fef1669caed2b78e401e9f", 0xec}, {&(0x7f0000004b00)="15aea01b3958b012680b3eac0c14f24b48253ddfc56d600586f869510cf4f214c55ceec1ca115639c2fdc5e19b30c80e9689ca0d30714cfa46b30bb393c7218d80097c7443bba54d7fee6b5b2842d29021e1aeade429faf66bc0074246abd36728c5d840e5bc6a0d40be68743e1a56a45e3787035ccb4f045399a45411f9dc42783843f86c9d8745588f9b61ca1db4da91395148d0777079a28738f418e3decf9ce71a8134937dd3af247912e582a5550ff0a0873eeba004274035024395e3ac8ac4dc45de5c2daf6c461400", 0xcc}, {&(0x7f0000004c00)}, {&(0x7f0000004c40)="8a360ff40a577919d22277c5738fe656864a363f810dff67994301dc", 0x1c}, {&(0x7f0000004c80)="d8e2d0de6c9f0a3213346738b32a3fad8c3af688e8ff8e1559b4ec54988e7d9cf0bc2caa", 0x24}], 0x5}}, {{&(0x7f0000004d40)=@isdn={0x22, 0x57, 0x20, 0xcb, 0x20}, 0x80, &(0x7f0000004f00)=[{&(0x7f0000004dc0)="ebf7b42609c37c714428eeb8c262093dc39d28fd28ef032d2bdeda0ecd", 0x1d}, {&(0x7f0000004e00)="6f7e778cbe4a6ad13dc2a4b088a960cd92668f112776b9bf25e06a61810efc6070cc14f39c1b9c024a2b1fade6a38392371db60a18979f7b63e919ca88b4fca7aed9985a17671d81f31b5d19759bd66c9776b705769ac573350fc9f461d143a17048f8cb9c60790dd857e8fd4dab34d80c98bf68d8aae74acf0b51aace51957e5e98f6145cd3a78286ba6254123253ca276a9773be68eec292c72aaf687443fd5912ae38de03b618dbef315b5b7a1b7dd58e9cc982bd5c94777c1a41dff8631642786b7f3de3dc6d6d47d32b0a3f06", 0xcf}], 0x2, &(0x7f0000004f40)=[{0xa0, 0x111, 0x7f9, "190785726b897dc6ad3511b9d7a88beca2f7a0482f6a0246516a431955557034c1cb04bbc7bd09bc18dbcbf913677d5577daad2a84a0b095b2f67aa16a1ee8afe7c6fcb79c06198b7e1b13a23473d848bf5e35aeaf236429338b1539501e339dc94643d049d139252085e05e5c852e027c961934c09ceaf73f63a2c941437091422d9fb9feb04a02ee380e4fae"}, {0x108, 0x117, 0x4, "05d845605b45c89daf8771b1edd161b4ed60821304be485697ee0df9fac13110ae38bbd80232cb83acf552605fb0579d378baaac485e42e647f222d22493ba8458c6097c767046fb7f42bd0b91e05f656ae65853c2f89d0da7d05c5679126a3de8dd8af77ee220149780e6fb340ff9d56e5dc468ac67d3d43d8d81a0c8744736e0eb8517e1984348951eb62c0780e39441f3dea539a23e54ff4a1a80f010604c87580897f8a42988195e28ba7861235f06bf537b588b03b53fbcc297952f85df7b3e880a7f05acf5f633b7125cb873a0d56e5b79cefbb2287061666e41f839d46650fe5fef2b9f94fd71fb0da6f30a06bc34"}], 0x1a8}}, {{&(0x7f0000005100)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x4e21, @private=0xa010102}, 0x2, 0x2}}, 0x80, &(0x7f0000005500)=[{&(0x7f0000005900)="a65312284f91a25419f278cda2f0446c0a65044a1c106d9a73a0a9308687b83b1a9ec0f33492311ef179c41b7ad38bdb7c736a8b46b03af2aafe904a338b0569536ac00000006e98ec4c901574debfea7d6ff378e8980025ef1715dc16d1969f2fd8a778fe4ebcdab7733d125fc56bad52f58aadd028b870f8e6199aa26a42c286ff2ef33dbaf49fdbc302e42f554270c0eed93f9acde822840fabba90cf474234021fad4c8cb04f41e228909898edd3ff41c6babaf240b274ce236ce7e93b662235ff02f5ed421c5d28552b202eab76da6664d117f1df4a3aa856e97cdd3e327bda932e1a03cb", 0xc8}, {&(0x7f0000005280)="a9f40cd81f259246a3a0b9b3afa372713a9b8b04216058b7faffe8253b71d7e4a9056c8b86ff25f0be7cb580653db52d758615762b75718c3e8e22b531a8f964bb75c1945efc66f0fc208ff5441d5b35e85fe41de425", 0x56}, {&(0x7f0000005300)="4d0b497cea225176100ae891f95084b3f80cd7927a374261cb02443cc94ed5", 0x1f}, {&(0x7f0000005340)="334ef66846e7e12299ff63149ce5954a7b469b1f1814c26a301f492ec690b07342ad6d4e5afb2409f469c3c3932cd0c458395027ba3891a282763f3355f0a927800c32f184264272c7983b996a6bdb1a44ec1ebee4167baf3c3ea5d0e7aeadf89151cfece280f71d50e70ba94a568d3712c731d9267026b74e1adb80255bfbaed0e5eb170d776c3104bc5732954b894ef5d9149c9bdfc25335929786b5a6aa5f0c2e082e7627", 0xa6}, {&(0x7f0000005400)="9bb68fdd96753d7130bb7683daa038239de3b8999194eb10fa33386855e5e77ce46d6daa61a5df201420d498f9b9e7bca204f070f7b85490fd986e46d926838dda95067c7f2974d9ebedbbdfff", 0x4d}, {&(0x7f0000005480)="5d5e53a306a948103da0bc1f8d92b3a76cf8cfb7d74ec9f0cf2c83db8be526ea3f53753cec77379e943813edba0406d63a851e79e3a11e0eb64e177ee183dc440e0784b7c7be02e249b21543350b1d7effeaa9be9ca0e31a2b0ac3", 0x5b}], 0x6, &(0x7f0000005580)=[{0xc8, 0x10f, 0x9, "3138afd458f53b9abaad9848cf46ad1e8069e4c8f8518ebc80c0b22148a44a11ca3a6eec85359264a11066bf6684b41ec9cb04b1afe2aef38abb8526d2067eeed19d1781cb3505c4f58171c550749281913db3e907f7c19a829dd63d2923268db212e3071b728d0c23dfaa735383d59d85c956a54f3f214d9e1a6c70a04ee7fb1887767d8d059206e2344b9411b06c0434700aa9e2652ba4ed324c017c684fb04bc2d165e46b2ee75a824e121fbb29ad4df3cd"}, {0x18, 0x10e, 0x7ff, "fa99c990"}], 0xe0}}], 0x8, 0x2004c841) r7 = syz_open_dev$ttys(0xc, 0x2, 0x0) preadv(r7, &(0x7f0000003680)=[{&(0x7f0000002280)=""/193, 0xc1}, {&(0x7f0000002380)=""/246, 0xf6}, {&(0x7f00000034c0)=""/135, 0x87}, {&(0x7f0000003580)=""/51, 0x33}, {&(0x7f00000035c0)}, {&(0x7f0000003600)=""/83, 0x53}], 0x6, 0x200, 0x0) read$FUSE(r4, &(0x7f0000000000)={0x2020}, 0x2020) [ 354.106923][ T9838] block nbd4: shutting down sockets 14:56:21 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) r1 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"/491], 0x0, 0x124}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000193c0)=""/102389, 0x18ff5}], 0x0, 0x0, 0x0, 0x0) tkill(r0, 0x40) fsetxattr$security_ima(r1, &(0x7f0000000380), &(0x7f00000003c0)=@v1={0x2, "669c841f6fb841ea745053b6c1"}, 0xe, 0x0) wait4(0x0, 0x0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) fcntl$lock(r1, 0x25, &(0x7f0000000400)={0x1, 0x0, 0x80, 0x3}) r2 = gettid() rt_sigqueueinfo(r2, 0x3c, &(0x7f0000000040)) [ 354.135181][ T9869] block nbd0: shutting down sockets [ 354.146589][ T9876] block nbd1: shutting down sockets [ 354.226147][ T9868] block nbd2: shutting down sockets 14:56:21 executing program 3: connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = getpid() perf_event_open(0x0, r0, 0xf, 0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x3, 0xffffffffffffffff, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r1, &(0x7f0000002300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, r4, 0x300, 0x70bd27, 0x25dfdbfd, {{}, {@val={0x8, 0x1, 0x12}, @val={0x8}, @val={0xc, 0x99, {0x353, 0x29}}}}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x9, 0x6d}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000100}, 0x4008000) r5 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(r3, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000023c0)=[@text16={0x10, 0x0}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_PPC_GET_SMMU_INFO(0xffffffffffffffff, 0x8250aea6, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r6, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, &(0x7f0000000000)="4788e548b819cdfeb8000000000f23d80f21f835800000a00f23f8c402fd338302000000123e3664450f01c33cc33c430f795835c74424002d010000c4c27d1d6cd1ce44d8c70f08c744240011000000c744240200000000ff2c2466baf80cb8ba7e6983ef66bafc0caa66b87f008ed8", 0x70}], 0x1, 0x40, 0x0, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_NR(r5, 0x4008ae73, &(0x7f0000000180)={0x72b65c1a}) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_SET_NESTED_STATE(r6, 0x4080aebf, &(0x7f0000000280)={{0x0, 0x0, 0xffffffffffffff54, {0x6000}}, 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ioctl$KVM_RUN(r6, 0xae80, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) 14:56:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) 14:56:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 354.588042][ T9155] block nbd5: Receive control failed (result -32) [ 354.588042][ T6592] block nbd5: Receive control failed (result -32) [ 354.591665][ T9858] block nbd5: shutting down sockets [ 354.650022][ T9903] block nbd0: shutting down sockets [ 354.675752][ T9909] block nbd2: shutting down sockets 14:56:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 355.006401][ T9931] block nbd0: shutting down sockets [ 355.065996][ T9934] block nbd2: shutting down sockets 14:56:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 355.328336][ T9160] block nbd4: Receive control failed (result -32) [ 355.328354][ T8881] block nbd4: Receive control failed (result -32) [ 355.341584][ T9899] block nbd4: shutting down sockets [ 355.358555][ T9941] block nbd0: shutting down sockets 14:56:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 14:56:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 355.629428][ T9155] block nbd5: Receive control failed (result -32) [ 355.630072][ T6592] block nbd5: Receive control failed (result -32) [ 355.643349][ T9913] block nbd5: shutting down sockets [ 355.702633][ T9951] block nbd0: shutting down sockets [ 355.709716][ T9948] block nbd4: shutting down sockets [ 355.728260][ T9964] block nbd3: shutting down sockets 14:56:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 355.760127][ T9956] block nbd2: shutting down sockets 14:56:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 14:56:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) 14:56:22 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0x14) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000001280)=ANY=[@ANYBLOB="800500001000050700"/20, @ANYRES32=0x0, @ANYBLOB="45180000000000000800280061dd000058051680f00001800c000900008000001f0000001000020003000000bc0a00000800000018000c801400010000000080a40000000900000088a80000b8000c8014000100040000004401000057ce6e6681000000140001006b010000c900000013510000810000001400010004000000ae050000ffff00008100000014000100ffff0000af0f00002bfda25b88a8000014000100001000008406000001000000810000001400010001000000a00b0000010001008100000014000100090000007b0a0000ffffff7f09a800001400010002000000180300000800000088a800001400010008000000520900000200000088a800002800018014000b0021000000000000008b0f000000000000100006000700000000feffff0b090000c000018014000b00040000000000000005000000000000000c00090004000000040000000c000500000000000600000014000a00a77c000000000000040000000000000054000c80140001000500000048030000f9ffffff81000000140001001f0000006e080000f800000088a800001400010000fe0f00d60800000004000088a800001400010000080000c0060000b62000008100000028000100030000000000000000000000000000000000000000000000000000000000000000000000b40001800c000500000000000300000018000c801400010000040000e90200000000000088a800000c0004000900000072c1000054000c8014000100040000003a0a00004705000088a800001400010004000000560800000500000088a800001400010003000000730f0000b100000088a800001400010001000000470300000000000088a8000014000a00090000000000000020000000000000000c00030008000000ffffffff0c00090005000000ff170000440001800c00050006000000020000000c000700ffffffff030000000c000500ff03000001000000100006000700000009000000000000000c0004000104000004000000d00001800c00090009000000f001000028000100ffff0000aaaaaaaaaabb000000000000000000000000000000000000000000000000000028000100fffbffff000000000000000000000000000000000000000000000000000000000000000014000b00020000000000000000000080000000002800010007000000aaaaaaaaaabb00000000000000000000000000000000000000000000000000000c00070001000000000000000c0009000200000008000000100006001f000000480a0000080000000c00050007000000010000009c0001800c00040004000000ffffff7f0c00030007000000030000000c00040063f200000800000068000c8014000100f7ffffff950700000600000088a800001400010009000000650d00000600000088a800001400010005000000430f00000700000088a8000014000100ffffffffa80a0000fdffffff88a800001400010004000000fc00000000000000810000000c0005000700000003000000080101800c000700050000000300000028000100ffffffff0180c200000e000000000000000e00000000000000000000000000000000000014000a00080000000000000004000000000000000c000900030000000f0000000c0009000900000008000000a4000c8014000100000400001a03000087df000088a800001400010003000000680100000600000088a800001400010000008000700b0000010000008100000014000100a5d0ea6b6a0d000032e4000088a800001400010000000000b5020000040000008aa800001400010004000000030600000800000088a800001400010000000000d10500003f00000088a8000014000100ffff0000700f00000700000081000000100001800c00090000000080f8ffffffae"], 0x580}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x40, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8}}]}, 0x40}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, 0xfffffffffffffffe, 0x1, 0x0, 0x0, 0x800}, 0x20000000) r7 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000002780)={&(0x7f0000002740)='./file0\x00', 0x0, 0x18}, 0x10) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x12, &(0x7f0000000900)=@nat={'nat\x00', 0x1b, 0x5, 0x338, 0x1f8, 0x1f8, 0xffffffff, 0x1f8, 0x0, 0x2a0, 0x2a0, 0xffffffff, 0x2a0, 0x2a0, 0x5, 0x0, {[{{@ip={@multicast1, @broadcast, 0x0, 0x0, 'veth0_macvtap\x00', 'wg1\x00'}, 0x0, 0x70, 0xa8}, @REDIRECT={0x38, 'REDIRECT\x00', 0x0, {0x1, {0x5, @multicast2, @local, @gre_key}}}}, {{@uncond, 0x0, 0x70, 0x98}, @common=@unspec=@STANDARD={0x28}}, {{@ip={@broadcast, @loopback, 0x0, 0x0, 'ip6erspan0\x00', 'bridge_slave_1\x00'}, 0x0, 0x70, 0xb8}, @unspec=@DNAT1={0x48, 'DNAT\x00', 0x1, {0x12, @ipv4=@empty, @ipv4=@loopback, @port=0x4e20, @icmp_id=0x68}}}, {{@ip={@private, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 'veth0_virt_wifi\x00', 'veth0_to_hsr\x00'}, 0x0, 0x70, 0xa8}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x0, @local, @local, @gre_key, @icmp_id}}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x398) socket$pppl2tp(0x18, 0x1, 0x1) dup3(r7, 0xffffffffffffffff, 0x0) [ 356.213259][ T9977] block nbd0: shutting down sockets [ 356.232261][ T9976] block nbd1: server does not support multiple connections per device. [ 356.608798][ T9974] block nbd4: shutting down sockets [ 356.768008][ T9985] block nbd1: Device being setup by another task [ 356.792941][ T9160] block nbd5: Receive control failed (result -32) [ 356.793211][ T9969] block nbd5: shutting down sockets [ 356.809330][ T9988] block nbd1: shutting down sockets 14:56:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 356.858963][ T6592] block nbd2: Receive control failed (result -32) [ 356.859468][ T9986] block nbd2: shutting down sockets 14:56:23 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0xfffffffe, 0x9}, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x317d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setattr(0x0, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x6, 0x80, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x800}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) r0 = syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x800, 0x5, &(0x7f0000002440)=[{&(0x7f0000000200)="4d423ea144bdf9f655ae", 0xa, 0x56a}, {&(0x7f00000002c0)="0ccfbb768f5b3d3c79669b0ec31c651866929a15e025b0026ee2faf27a759caafe1ab3853ea1ec06f4ee84e88c9a401ece6b19709d9c45c63043321b882ce4f2755e6d332cb9e60d851f50f409a1b705564140bafff1d366fdc0e3dae60fe403f5603b34c5cbb667dbc86415e9d51732dd9a50a9c5be8ab11a4e9f149e888de7edf6d4990592919073e1f1eeecae3ff151161839a809cde594a1fa4d7751c04214aa3fe754377e273d136be8297c0695f56f892a32b23259f28dbed540d2f7a28ba81f59fb1a1418ecc2107067", 0xcd, 0x101}, {&(0x7f00000003c0)="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0x1000, 0x2}, {&(0x7f00000013c0)="338a256c852cee962e983aaf9df7e70efb331f6d6f36e819031e2558dbab61ca91b12cee0c250fb411e5fe5c5173d10a0d22ad3764b486116546791a61c7b0686a664fa906e2c2e093ac59a6a0a99123788ebc405fa355313c83a12831aafeb1cedbd5f36a55ed", 0x67, 0x72e0ed49}, {&(0x7f0000001440)="881bb00d674e7006e8e2796fba77dec2b494bf803c863bb5e0c74f10f6d127eb460e996155593c3345c34e138ef428d30baef874ba59a3bb91d520ec28e2cfbfdbc02d778af265354f7dc08433822c809d34b41bc9315dbf9bda7d78cb4a7f2fb03adb508b9b59e93ac1f35e9e3b039872f628b2a934f187ee263dff3ace75bf6fe8a38f487bd57ef2ede08e9d55bdd28cbd6b7acf663a0f5aef8e672ca2d00c66b7152c1784b96b173d3d7277e4654afaf2bb9b00ea53ce8ea806b070ef8bb125238b63a5088edde6d5027fac4da8158d6ee700f8b14d7bd6432ab62863dfced7053ba6b9a2cb2a30c8d754659aa0faec78610fc3542db585e60060fdb6f0744c7f98198d008426348e9a2b33f5b39658fedca3348e31806914f47ad4f2e093fbea9a694baad42f5c347622af330ce870a97a0b428e844704f3467c50a82b97a1dc04457fae3194f01d91feef90b21746de7aab267ed8a80c3499bc25ace865eedd767f458a11098ba8bdca03b775f1d1ca212409462ffb389372222260769e4f37f117bd0671413eca8f574593f7cdf2d4fb098d739c7b41347389e6c3b3f60d46e4ec002d4b422e701cf4b61aa22225935602fcd7458bff87e1320e75d4bfa469e0c08d73a5dd2fdc7cab3f0f54982cc3070872d46b5525d22f013175ded0f0f975d442f6521c990a78991d5bed043a5c322a3ce83b06d9cebfbf6361cdbf685caf4929c672530e6192612b8e671c6259a5a8ce9fe6828285026c36411760cdbdb263b59ad4ab9acbdba5e33f582f3c01cd5d49de572ed5fcde074528c2c928d04cd03c7f12266f369d452d1e83018a0c32f12100798f4e3a603564aece3a33f7ebe1f99785c18b86a35433046e9cfaae5db3058040f1d0dbb9b39c2aa3bbff6b2b767d467974bf86a701164b34824d48abab7161c103165eb7b7391452d38d204b86fbf2a8ebf802b8a60b1343512bc261ad1d5dede71dace9e83f3649525d00e4e29d56c0804df2e5806d120e46b6cd1c8af57ffb94036cdcb679b4cfc481d053508447525e420661cd57ef486b8d5c74453a7c05ad0b2772a53bed6754bc508849aef6535344164037a4c8abc8b224f7af347d9501fb14110350b7408d3fedbc4ab05d7ccc588405afb9de56a4ceb5bdab140215abeec4810409c20d2f3478a78700150888f6ad5043a2e523af4189df10246a34970c70979afb1d92d0802325c0f2a526ae1ee966942a184426390f9b20702b17eed57f01784714976a879417a85dd9af9c2646fd69e7a81313647a776e05028e7e680502f8a942e3d55e518e2a5aa3f5b221a85ca648ec2c99b207cb7204d49bb51f92bfde52f478322ea141a6382f677890da76eca0b4271b1c7e24ee29cd52f814bf1408e0e4b05e7ea7e4d99067c0395e92c421497181c1987cdae1c420c29392b58f47900be555b17148747286bf341e271c29c0de108ce813538521f38153db26484fad7888503293e48523da5ac4de78bf5012a54f6d5147f62e1e1bb2a29f8786362498af479e4489ffa1671eaeb6665e9e5ff6c7488c66a2e46f3c1ce156b56cb3a570a58b0bf0d308d796bd42f99fd1c2296339f52926ccf45fd828a93420569cd5427812e3ec7250ba44d6b2b9b125e4b7a043d46c54f26086b5078499044e4392aa713be3b14ab3ed1728feb4054b2f172d446ee29142af2bd33244ed81dec15516275f909de9c5098995263bc3e6f3e3c19172e08b544626782137534a8e1217436f278748f4a235a342117fbcc12b531466fda72953563a526ad798164afd359c450fe2e402d6d46d0bba964b5c9b5ad45c1017131f66d25f6edde1080f5b5f09306d8dccf6f1dbe174cf45c0a6b661bbbf3e1d4e1dda041e6e5e31ba2e3904e169d03ea4977a76717af5a80155dd266d043ca3128ac47ca71529d6280c9a8cc74b849914b050dac38f60f796ed107c513858af03a007866c97b9560aa2227a6af179e2e6707c51dba5812e39cf107b2ce747c7a0978753d0efc4773ab52ea6c5cf784c14dbf2768f3dfe32e948f029b559b2c5c3c26f1e21af356e4ba0474da9fdc592085135555281502e531509d9993c606e2bbe59f020786aa53c3c2e077b2c1807f733b220d614487d51b375bb2a57d4a2feb6faa4c321aa1681b46a6d36eac54f3554adf930058b7ff4bc92ea6135f716ad5606aa6f222b4d5529af90d3068ab259ba579639d8feb758f5b00f87254debb2bb1fbe2dda888e5ac9869a121a3de60128ae41c558cdf1f5db78ab86a3024c18855b9b38050cab3848e5e80bc3b5aeec87fc4a3bdc3451f351cc789c533397ec9ad1445c166a8640e69a8904a16beb9488c3e1e1317531165ab5c7c9d742c1d8158f98047e4508b470f4a92a73858c51a039ef717fa52bd5d914256e0e5cdfeef84a2e927094b49e9ded60ce4065a398cc9a06db64a8d4400ec9aa879e27eb5efcb10d7efcb67184f0eb4b51ab204ce07c799dc7d3311bcb20f4ce4a4f986cf958ba68285aad4dcc94451f2c653b85edb2a411cdc2d5af62b1cb98b1a5cc5692e580812b75f20d5eb611a811c0c595ff7360903f955eef34480c712146e615079fe1d0b8712b49466b0cf37fafad96e054f1c3003f59444f851d9b0110c1673a576301ac9cf0e33bf31114f09585e64fef5ac8a7f39b5808d4a3ba441cdbc8cd535a5cb818bd3d614fb1d6a909e1008ddd76b3b82b5b2b2cf748564943beb9096f8de1503f62305f505e96319a16e758538b0012fa27465e929662ad66179816151ce1049b56ce376f65db71f2a7718f3ed30dbef3682ba1af193e9927f06843a052069e94bbb2766388339b01810e5bda4e8db2ff2aef41956b17329973c1e467cf498d8b4a6cd0fac7ba9ec39bac47ecce49a6278d9795bcbdfb79df2bfe485cd1c6c10231214fa9fe75967637d4a8c73ad3037ca34622678fabe5722ff15358638109aa3b9b2c624f889d3a4ede49bac0b7e400ef7cfdbb26374a5351ab4ddaf9b4e4aa55dbf8baf35485c65ff7bce8519306381ce5a0cedd734ae8ac333d5699c9ebd240f081b76576c0cfcf348324e99335b7d01632115f39fbf7f493bcad9ca48d40bab6f4b3925a708729c0e1b8b0523a1e31580bd8fbe53a33e72e6db4eec4051fa55f8f447ba22663140320135f58bd39ec492004e7012fa58a930b618230232979a9113b381ee0041385f00682333814c5d20c2c2b520bdec25a23ea73520bf708df60363e968ab825c4611e5641c833b71f45e51f36c8faa28aa5921a61ba3adb2b35831d8c3cde83c3cae262ac2a6ad6722f19548614be6295d159d4b8cfb9ed28360db2e15705bf0f6eccf62a543ac606bc20309ad735a647360423e912924dbb1143db539c85d83e5ef2ecc677ba5ab88cc453a4f9511df1dc3c697d09f8457a9cb276ef34107daba69de6d95e4ac274398e2886bda7e5d7d464f4a104600117813e05dee8a88ed5e7ad709ce3e6840a3b114e936b32ee641845b95def2b016d4c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0x1000, 0x5}], 0x8048, &(0x7f00000024c0)={[{@acl}, {@noacl}, {@nouser_xattr}, {@nouser_xattr}, {@acl}, {}, {@noacl}, {}], [{@fsmagic={'fsmagic', 0x3d, 0x6}}, {@euid_gt={'euid>', 0xee01}}]}) fsetxattr$trusted_overlay_opaque(r0, &(0x7f0000000240), &(0x7f0000002540), 0x2, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004dbc0)={0x55, [], 0x0, "f35d550ba85a50"}) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, &(0x7f0000002580)=ANY=[@ANYRES64=0x0, @ANYBLOB="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"]) 14:56:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) 14:56:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 357.112017][ T9996] loop3: detected capacity change from 0 to 131309 [ 357.131794][ T9996] erofs: Unknown parameter 'fsmagic' [ 357.209169][ T9997] block nbd4: shutting down sockets 14:56:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 357.271420][T10006] block nbd2: server does not support multiple connections per device. [ 357.286169][ T9996] loop3: detected capacity change from 0 to 131309 [ 357.295494][ T9996] erofs: Unknown parameter 'fsmagic' 14:56:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) [ 357.317955][T10009] block nbd1: server does not support multiple connections per device. [ 357.337556][T10009] block nbd1: shutting down sockets [ 357.354017][ T9999] block nbd2: shutting down sockets [ 357.391071][T10015] block nbd1: Device being setup by another task [ 357.398273][T10016] block nbd5: shutting down sockets 14:56:24 executing program 3: syz_open_dev$usbfs(0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_SETFRAGMENT(0xffffffffffffffff, 0xc004500a, &(0x7f00000000c0)) write$dsp(0xffffffffffffffff, &(0x7f0000000040)="0c0310316ac51106d6d9df717bee9ca68ab63416e2ba45b727ee88117daab6649029220d1712aadaf80413a9d7b13dbdb6fa69a4c1c7371eb933a3f8e8d2a8accea7ec7ce0986da6ebf092b75b96004b71141b", 0x53) ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0x40045010, &(0x7f0000000140)) perf_event_open(&(0x7f0000000500)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x29, 0x2, 0x0) sendmmsg(r0, &(0x7f0000008900)=[{{0x0, 0x0, &(0x7f0000000200)=[{&(0x7f00000000c0)="c2", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000940)=[{&(0x7f0000000640)='8', 0xfffffdef}], 0x1}}], 0x2, 0x0) getsockopt$IP_VS_SO_GET_INFO(r0, 0x0, 0x481, &(0x7f0000000000), &(0x7f0000000100)=0xc) open(0x0, 0x0, 0x0) 14:56:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) 14:56:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 357.760256][T10043] block nbd5: shutting down sockets [ 357.779510][T10036] block nbd1: server does not support multiple connections per device. [ 357.804296][T10036] block nbd1: shutting down sockets 14:56:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 358.280001][T10062] block nbd5: shutting down sockets [ 358.300356][ T6592] block nbd4: Receive control failed (result -32) [ 358.308256][ T9160] block nbd4: Receive control failed (result -32) [ 358.315998][T10025] block nbd4: shutting down sockets 14:56:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 358.394276][T10066] block nbd1: shutting down sockets 14:56:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) 14:56:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 358.526307][ T8881] block nbd2: Receive control failed (result -32) [ 358.533199][ T9155] block nbd2: Receive control failed (result -32) [ 358.542999][T10038] block nbd2: shutting down sockets [ 358.648350][T10071] block nbd5: shutting down sockets 14:56:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 358.740886][T10081] block nbd3: shutting down sockets 14:56:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:25 executing program 3: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x2840, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_INFO(r0, 0x810c5701, &(0x7f0000000080)) r1 = syz_open_dev$video4linux(&(0x7f0000000000), 0xff, 0x0) ioctl$VIDIOC_QUERYCTRL(r1, 0xc038563c, &(0x7f0000000280)={0x0, 0x1, "8d3217bae1f2e7e5d7a8f91d5514b8d99ef02e4bfc3666da9731b12db6da446c"}) [ 358.939110][T10085] block nbd0: server does not support multiple connections per device. [ 358.957030][T10085] block nbd0: shutting down sockets [ 359.009748][T10093] block nbd2: shutting down sockets [ 359.038992][T10101] block nbd5: shutting down sockets 14:56:25 executing program 3: socket$inet6_tcp(0xa, 0x1, 0x0) openat$vcsu(0xffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = fanotify_init(0x0, 0x0) r1 = epoll_create1(0x0) epoll_create1(0x0) r2 = fcntl$dupfd(r1, 0x2, 0xffffffffffffffff) fanotify_mark(r0, 0x5, 0x8000038, r2, 0x0) perf_event_open(&(0x7f0000000580)={0x3, 0x80, 0x2, 0x7, 0x81, 0x0, 0x0, 0x0, 0x40000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x4}, 0x8100, 0x0, 0x5, 0x2, 0x0, 0x0, 0x1a44, 0x0, 0xf1a}, 0x0, 0x9, r2, 0xa) bind$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random="00000090fd39"}, 0x14) write$binfmt_aout(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="800000000000002000000000080600010800060404716e732de96ab070"], 0x120) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000180)=0xf97, 0x37f1) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='attr/prev\x00') connect$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @local, 0x1}, 0x1c) sendmmsg(0xffffffffffffffff, &(0x7f0000006d00)=[{{0x0, 0x1002000, 0x0, 0x0, 0x0, 0x0, 0x38c5}}], 0xc6, 0x0) setsockopt$IP6T_SO_SET_REPLACE(0xffffffffffffffff, 0x29, 0x40, &(0x7f0000000600)=ANY=[@ANYBLOB="7261770000000000000000000000000000000000000000000000000000000000c103000003000000280300007c0100007c0100007c010000034800000500000060020000600200006002000060020000600200000300000000000000001d00000000000000000700000000000005000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000014017c0100000252000000000000000000000000000000003800636f6e6e6279746573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000380073746174697374696300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000068004354000000000000000000000000000000000000000000000000000000010000000000000000000000006e657462696f732d6e7300000000000073797a31000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006815dc7dec7c041e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a400e400000000000000000000000000000000000000000040005443504f505453545249500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a400c80000000000000000000000000000000000000000002400"/896, @ANYRES32], 0x384) [ 359.092048][T10086] block nbd1: shutting down sockets 14:56:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) preadv(r5, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/71, 0x47}, {&(0x7f0000000240)=""/20, 0x14}, {&(0x7f0000000280)=""/82, 0x52}, {&(0x7f0000000300)=""/43, 0x2b}, {&(0x7f0000000340)=""/198, 0xc6}], 0x5, 0x8, 0x5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 359.368420][T10108] block nbd5: shutting down sockets [ 359.422387][T10118] block nbd2: shutting down sockets [ 359.478176][ T9155] block nbd4: Receive control failed (result -32) [ 359.478624][T10075] block nbd4: shutting down sockets [ 359.485598][T10113] block nbd0: server does not support multiple connections per device. [ 359.501698][T10113] block nbd0: shutting down sockets [ 359.507977][T10119] block nbd1: Device being setup by another task 14:56:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) 14:56:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r5, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 359.605598][T10119] block nbd1: shutting down sockets 14:56:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 359.778293][T10127] block nbd0: server does not support multiple connections per device. [ 359.792017][T10125] block nbd5: shutting down sockets [ 359.826582][T10127] block nbd0: shutting down sockets 14:56:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 359.877955][T10147] block nbd3: shutting down sockets [ 359.889732][T10142] block nbd2: shutting down sockets 14:56:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) socket$xdp(0x2c, 0x3, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 359.973790][T10151] block nbd1: shutting down sockets 14:56:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:26 executing program 1: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 360.250287][T10165] block nbd5: shutting down sockets [ 360.291017][T10161] block nbd0: shutting down sockets 14:56:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 360.361287][T10172] block nbd3: shutting down sockets [ 360.368919][T10174] block nbd2: shutting down sockets [ 360.422130][T10166] block nbd1: Device being setup by another task [ 360.448946][T10163] block nbd1: server does not support multiple connections per device. [ 360.468294][T10163] block nbd1: shutting down sockets [ 360.536407][T10178] block nbd5: shutting down sockets [ 360.560807][ T6592] block nbd4: Receive control failed (result -32) [ 360.560807][ T9155] block nbd4: Receive control failed (result -32) [ 360.568060][T10133] block nbd4: shutting down sockets 14:56:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:27 executing program 1: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:27 executing program 3: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) umount2(&(0x7f0000000080)='./file0\x00', 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3000004, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) dup3(r1, r0, 0x0) r3 = geteuid() r4 = geteuid() fsetxattr$system_posix_acl(0xffffffffffffffff, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000480)=ANY=[@ANYBLOB="02000000010000000000000002000000", @ANYRES32=r3, @ANYBLOB="02000400", @ANYRES32=r4, @ANYBLOB="040000000700000008000000", @ANYRES32=0x0, @ANYBLOB="100002000000000820"], 0x3c, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0}, &(0x7f0000cab000)=0x7) setuid(r5) getresgid(&(0x7f00000025c0)=0x0, &(0x7f0000002600), &(0x7f0000002640)) read$FUSE(0xffffffffffffffff, &(0x7f0000002880)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000002800)={0x0, 0x0}, &(0x7f0000cab000)=0xfffffffffffffe7a) setuid(r8) syz_fuse_handle_req(0xffffffffffffffff, &(0x7f00000003c0)="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", 0xda1, &(0x7f0000004b40)={&(0x7f0000000200)={0x50, 0x0, 0xfffffffffffff801, {0x7, 0x21, 0x9b84e4d, 0x0, 0x748a, 0x3f, 0x1, 0x9f22}}, &(0x7f0000000040)={0x18, 0xfffffffffffffff5, 0x9}, &(0x7f0000000280)={0x18, 0xfffffffffffffff5, 0xffff, {0x7f}}, &(0x7f00000002c0)={0x18, 0x2325af86d22ab3b8, 0x100000000, {0x4}}, &(0x7f0000000300)={0x18, 0x0, 0x68b1, {0xa6a}}, &(0x7f00000023c0)={0x28, 0xffffffffffffffda, 0x1, {{0x2, 0xfffffffffffffc61}}}, &(0x7f0000002400)={0x60, 0xfffffffffffffff5, 0xffffffffffff8001, {{0x5, 0x49c, 0x3, 0x9, 0x8, 0xfffffffb, 0x2}}}, &(0x7f0000002480)={0x18, 0x0, 0x2}, 0x0, &(0x7f0000002500)={0x20, 0x0, 0x4, {0x0, 0x1}}, &(0x7f0000002540)={0x78, 0x0, 0x6, {0x1000, 0x1, 0x0, {0x4, 0x200, 0x1c7bece7, 0xed1, 0x20d, 0x80, 0x0, 0x7fff, 0x7, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0xe2c, 0x99c4}}}, &(0x7f0000002680)={0x90, 0x0, 0x100000001, {0x3, 0x0, 0x0, 0x5, 0x2c63, 0x5, {0x6, 0x6, 0x0, 0x3, 0xff, 0x40, 0x458886b1, 0x10000, 0x8, 0x1000, 0x3, r5, r6, 0x200, 0x103e}}}, &(0x7f0000002740)=ANY=[@ANYBLOB="880000000004000097fb0000000000000000000003000000080000002f2c3a00000000000000000000000000030000000000000002000000060000005d4000000000000002000000000000000900000000000000040000000500000047504c00000000000300000000000000080000000000000000000000017d00"/136], &(0x7f00000048c0)={0x148, 0x610abc390769f0c9, 0x7, [{{0x1, 0x0, 0x3, 0x4, 0x2, 0x9, {0x1, 0x5, 0x5, 0xfffffffffffffffc, 0x40, 0x6, 0x6, 0x9, 0xffffffff, 0xa000, 0x2, 0x0, 0x0, 0x9, 0x3f}}, {0x2, 0x6000, 0x4, 0x2, '($}$'}}, {{0x2, 0x0, 0x20, 0x5, 0x6, 0xdb, {0x3, 0x2d, 0x5, 0x301, 0x81, 0x200, 0x5, 0x3, 0x80000000, 0x8000, 0x1, 0x0, r7, 0x8001}}, {0x5, 0x1, 0x0, 0x20}}]}, &(0x7f0000004a40)={0xa0, 0x0, 0x1, {{0x1, 0x1, 0x3, 0x43, 0x80000000, 0x401, {0x6, 0x4, 0x7, 0x7, 0x4, 0x3, 0x6, 0x5, 0x8001, 0x6000, 0x606, r8, 0x0, 0x401, 0x1}}, {0x0, 0x10}}}, &(0x7f0000004b00)={0x20, 0x0, 0x5f32921b, {0x7c000000, 0x0, 0x3f, 0xffffffff}}}) syz_fuse_handle_req(0xffffffffffffffff, &(0x7f0000000280)="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", 0x2000, &(0x7f0000004c80)={&(0x7f0000002280)={0x50, 0xffffffffffffffda, 0x8, {0x7, 0x21, 0x1, 0x1c5420, 0x1, 0x3, 0x1f}}, &(0x7f0000000100)={0x18, 0x0, 0x4, {0x3}}, &(0x7f00000001c0)={0x18, 0xfffffffffffffffe, 0x1, {0x6}}, &(0x7f0000002300)={0x18, 0x0, 0x8, {0xb1}}, &(0x7f0000002340)={0x18, 0x0, 0x3, {0xd843}}, &(0x7f0000002380)={0x28, 0xffffffffffffffda, 0x1, {{0x0, 0x0, 0x1}}}, &(0x7f00000023c0)={0x60, 0x0, 0x22f, {{0x5, 0x1ff, 0x7, 0x9, 0x3ff, 0x9, 0xffffffff, 0x8}}}, &(0x7f0000002440)={0x18, 0x0, 0x8000, {0x4}}, &(0x7f0000002480)={0x13, 0x0, 0x8, {']\'\x00'}}, &(0x7f00000024c0)={0x20, 0x0, 0x9, {0x0, 0x4}}, &(0x7f0000004600)={0x78, 0x0, 0x0, {0x7, 0x1, 0x0, {0x3, 0x3ea9950c, 0x8, 0xb8ca, 0x4, 0x4, 0x8938, 0x81, 0x5, 0x8000, 0x400, 0x0, 0x0, 0xde, 0x4}}}, &(0x7f0000004680)={0x90, 0x0, 0x4, {0x2, 0x3, 0x9, 0x1, 0x9, 0x5, {0x4, 0x81, 0xf96, 0xfffffffffffffffd, 0xa0, 0x10000, 0x8, 0x101, 0x400, 0x6000, 0x1, 0x0, 0xee01, 0x8000, 0x60}}}, &(0x7f0000004740)={0x50, 0xfffffffffffffff5, 0xc000000000000000, [{0x6, 0x55, 0x2, 0x279, '%&'}, {0x6, 0x3, 0x5, 0x0, 'fuse\x00'}]}, &(0x7f0000004840)={0x340, 0x0, 0x8, [{{0x2, 0x3, 0x0, 0x100000001, 0x100, 0x8, {0x2, 0x1, 0x0, 0x3, 0x7f, 0x4, 0x9, 0xd802, 0x87c, 0x6000, 0x74, 0x0, 0x0, 0x2, 0x1}}, {0x5, 0x7, 0xa, 0xc4, '/dev/fuse\x00'}}, {{0x6, 0x0, 0x8, 0x5, 0x7, 0x3, {0x2, 0x10001, 0x2d, 0x2, 0x3920000000000000, 0x2, 0x2, 0x3f, 0x1, 0x8000, 0x3, 0x0, 0x0, 0x5, 0x401}}, {0x1, 0x0, 0x4, 0x0, '$.5+'}}, {{0x0, 0x2, 0x7ff, 0x7f, 0x400, 0x1000, {0x0, 0xffffffffffff58e1, 0x5, 0x8, 0xfc1, 0xf003, 0x7, 0x401, 0x7ff, 0x8000, 0x6, 0xee00, 0x0, 0x7f, 0x7ff}}, {0x6, 0x3, 0xa, 0x95ca, '/dev/fuse\x00'}}, {{0x4, 0x1, 0x5e, 0x8a65, 0x2, 0x20, {0x1, 0x4, 0x3, 0x90000, 0xab1, 0x5, 0x1, 0x401, 0x6, 0x2000, 0x7, 0xffffffffffffffff, 0xee00, 0x4, 0x1000}}, {0x0, 0xfffffffffffffffc, 0x6, 0x9, '-/--\\.'}}, {{0x6, 0x1, 0x401, 0x101, 0xfffffff7, 0x5, {0x5, 0xfffffffffffffffa, 0x0, 0x401, 0x5, 0x80000001, 0x6, 0x8, 0x8001, 0x8000, 0x2, 0x0, 0xffffffffffffffff, 0x5, 0x4}}, {0x3, 0x6, 0x1, 0x2, '}'}}]}, &(0x7f0000004b80)={0xa0, 0x0, 0x6, {{0x3, 0x2, 0x0, 0x8, 0x8, 0x7, {0x0, 0x7f, 0x840, 0x0, 0x9, 0x5, 0x8, 0x6, 0x100, 0x8000, 0x7, r3, r7, 0x4, 0x1ff}}, {0x0, 0xa}}}, &(0x7f0000004c40)={0x20, 0x0, 0x3, {0x0, 0x0, 0x8001, 0xffffffff}}}) 14:56:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 360.848549][T10185] block nbd2: shutting down sockets 14:56:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 360.908026][T10186] block nbd1: server does not support multiple connections per device. [ 360.930169][T10186] block nbd1: shutting down sockets [ 360.943221][T10201] block nbd5: shutting down sockets 14:56:27 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000080)="03", 0x1, 0x640}, {&(0x7f0000010400)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}, {&(0x7f0000012800)="8081000000180000daf4655fdaf4655fdaf4655f00000000000001008000000010000800000000000af301000400000000000000000000000200000030", 0x3d, 0x4800}, {&(0x7f0000013900)="111fc0d901000000803a0900803a09000000000006", 0x15, 0x30000}], 0x0, &(0x7f00000001c0)=ANY=[]) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x0, 0x0) socket$inet6(0xa, 0x0, 0x94) write$cgroup_int(0xffffffffffffffff, &(0x7f0000000200), 0x400086) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) syz_read_part_table(0x3, 0x3, &(0x7f0000002440)=[{&(0x7f0000001340)="dfb26ffd9f07f8368f885932c45de834cc0571aae86df1c953b5997e28", 0x1d, 0xff}, {&(0x7f00000013c0)="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", 0xd7f}, {&(0x7f00000023c0)="b2d9fc0aca93f760d0f80963b55d63904bf3dc7ceca1d322cf12881606a0b5aef6ad483c510623540a87f969b2d23af9a0f8d5abccfaa1eee1d2d53e701c59c9d43ef42e700b78823a711b514872784f4eb1d9218f39a115a9b94f115edb63894c421a9604db67587331c29b4127754d2d58f6", 0x73, 0x4}]) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) creat(0x0, 0x0) fallocate(0xffffffffffffffff, 0x10, 0x0, 0x0) lsetxattr$security_capability(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400), 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xff7fffffffffffff, 0xffffffffffffffff, 0x0) umount2(&(0x7f0000000180)='./file0\x00', 0x0) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0x6, 0x20, 0x0, 0x74, 0x0, 0xfffffffffffffffd, 0x401, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={&(0x7f00000000c0)}, 0x41412, 0x800, 0x9, 0x945f7ba5830538a5, 0x8ab, 0x216, 0x2, 0x0, 0x0, 0x0, 0xe86}, 0x0, 0xc, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$BTRFS_IOC_LOGICAL_INO_V2(r0, 0xc038943b, &(0x7f0000000300)={0x3f, 0x38, '\x00', 0x0, &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) [ 360.960109][T10203] block nbd0: shutting down sockets 14:56:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:28 executing program 1: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 361.251381][T10205] block nbd2: shutting down sockets 14:56:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 361.282898][T10211] loop3: detected capacity change from 0 to 4096 [ 361.330382][T10211] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 361.401770][T10226] block nbd0: shutting down sockets [ 361.408426][T10212] block nbd1: server does not support multiple connections per device. [ 361.418934][T10212] block nbd1: shutting down sockets [ 361.426578][T10229] block nbd5: shutting down sockets [ 361.648177][ T6594] block nbd4: Receive control failed (result -32) [ 361.648177][ T8881] block nbd4: Receive control failed (result -32) [ 361.662194][T10190] block nbd4: shutting down sockets [ 361.672799][T10235] block nbd2: shutting down sockets 14:56:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:28 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:28 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 361.889852][T10211] loop3: detected capacity change from 0 to 4096 [ 361.914783][T10211] EXT4-fs (loop3): Unrecognized mount option "" or missing value [ 361.939039][T10244] block nbd0: server does not support multiple connections per device. [ 361.948990][T10244] block nbd0: shutting down sockets [ 361.999842][T10259] block nbd1: server does not support multiple connections per device. [ 362.035748][T10258] block nbd5: shutting down sockets [ 362.043264][T10264] loop3: detected capacity change from 0 to 6 [ 362.047768][T10242] block nbd1: shutting down sockets 14:56:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 362.107425][T10269] block nbd2: shutting down sockets 14:56:29 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 362.149716][T10264] Dev loop3: unable to read RDB block 6 [ 362.156773][T10264] loop3: unable to read partition table [ 362.163221][T10264] loop3: partition table beyond EOD, truncated [ 362.171217][T10264] loop_reread_partitions: partition scan of loop3 () failed (rc=-5) 14:56:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000080)="03", 0x1, 0x640}, {&(0x7f0000010400)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}, {&(0x7f0000012800)="8081000000180000daf4655fdaf4655fdaf4655f00000000000001008000000010000800000000000af301000400000000000000000000000200000030", 0x3d, 0x4800}, {&(0x7f0000013900)="111fc0d901000000803a0900803a09000000000006", 0x15, 0x30000}], 0x0, &(0x7f00000001c0)=ANY=[]) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x0, 0x0) socket$inet6(0xa, 0x0, 0x94) write$cgroup_int(0xffffffffffffffff, &(0x7f0000000200), 0x400086) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000040)) syz_read_part_table(0x3, 0x3, &(0x7f0000002440)=[{&(0x7f0000001340)="dfb26ffd9f07f8368f885932c45de834cc0571aae86df1c953b5997e28", 0x1d, 0xff}, {&(0x7f00000013c0)="df5f5d5da6c9ccc16300a5ef172b2c14c75b4507f2ee7eed3573989133a52912ab5557c1cfb96d3a3fd232f377a886809ce86df5553844ae6bb71673b534b6489b92efc726f97ddc2949ed71bda6c6e8990b225d31435ff01090693b87877facd553567020bbd4a57d2f22a0bec468815e6665e5ee1decc5014098202a379174b760a09261f966aaf98910309c9f0fbdfeaa5a4e9170c5fe0e529f95215158f84b09882879be8441898cda65f9ffea86b5870556220d09da51066adee4c6652035ebd6b5dd61f19542122ba5a5adde1f65353c249bc60e5234a298b8d23f9c1e5eda4ff12d68018962bf160c8783595ef902c044995878c4b5f3dcd43923a909c38ec58cb48f16e0c5041477119eedd1538cf870d964a4367e68879373864b43105b0c12f818809b03e1e113fcd328bdfe0b458a7ffaadd3aef42fb41725bc4975cca21e788317bddd09de61a521b5369da04889b8fd57e4832a4be982ccfd3b5a725060f14321be7106fe88f667bd8f8c2016ed29ebc4432ab8fba4abadb9b0d7e9a28d54b11b7ac03e497985afceb6e62ba2a23c29f9e00ecdc5b3b523383a9f989aed7a32a75028f48cdf45d07d8223b4e16f6ce0adb875de861f0cc3631125bdfe32c81753f372f6ec04ba3d8a044ddbd884799ad01ccee98e0a5714ab7e275d6bcbadf5f8d3af1cd765be43ea848c4fa4a2a7c7e72abb6969302b5c74768023e2d750362167f0af90af80629351024cfdcfd8e9bf327241c64bad5be961ca0beda575c9e280e8036f4e15627c536dae4814aa03b9f01fcd00c49db7ad30d7f9ed1322e35049e92ef20371339d903ee2e31ae0e992e6867f25852ec47e9496fbfdef5385bfbbe5281a6315aee1c5979f79434e6f3057310998322d207a69e4e4e1e5a6972603165cac734c312e569845dff8c5995f8632d6b2ffad3cf76948d5f2c99bb906232afb3f835a7b0bd146c1f5cb31da22b8e092301366c47d52d57924012a40862be8987e44e37444c2788aa3ec50b4dc54340a16173b4bb14265ed6e397ee044caa5df1a2aaa67d1aa2882acfd3c72f307254fb2f8b6163c358d14771d612c0871b695ce622f16e329fe867a04e55a10726d5b8d7575e682c83dd802da31c97f01459de76bf88c7b4e97062f896c831b172381bc418eb180db2ebd9f767cac8c1bb035d98848f615a632973d876b9aa8063dc6032c261a3c611e046e97a9f7ca57eb9af636231c95d1218e6bd754f8bc3d236dbb8dea61f2f220a3b1725bcf0b3438131c950656dd7874296f60df536bd4f74511c498087ba4223b63587bdd573c8f1038572163739509915faac7f39e894e76e4c14f58b765439622e70e539893bedf1a267b24530a72eb664eecee84b0e4e33c29f29d241cac1a18f89e6b2f9c937e849cc70901986e0790aa6378c053976b93cf4de2a27142c26f2630e4c31cfbb22ff7c9349860e96f83e3fe0fe47d4f3cb5db25932808e7fcb9421c384d82685a5f47b200eacfa4165d7b7401e54eebd3a83f80a40aa2ac02d2dd7f6557cb33fae67a8578360d2ad25f473d64d64885196605e4bc6d96ca156f8ebd8d0298b5ce75848eb96c3fad1bd34781682a3d99b1e5a4920d7d60dc0f33e0a03778a44193bbd0ef66b45fa069b75c7515bf2b0139d8ba4cb386b572623d9144309d5403e94882f73598ba86055544420dc3ddbcb595661b9ff809900781b23086ae83b168d9fa6f311d4e05bdd970563faaca9d57124846f58d37ee53d00de613f19a0d9157895b20f3bd618b13dd91fef26173457d32d9be724a6d60d02c63699beb4ed6eeed4b59b3e832388ea101539ca4ae2bc695bb46866eda0e70ad24843bcd16cd81984f6a56a0938be909f7f88c828d7f729b9264434fbd124fdb5bb9cb8b2e05fd52a6524e322458000e50736c7c1ae5f29d91c2adc421a2f0c17346d58ddd547b951bc8e66b1d451955e8ce0070f44343eb6a1182aa18aff60510016a6fdb811dde300d5b14660c99a064bc4e9b25fdd449827042e31c40e0340801317061dbc120b0625ab94db0e9a92cec37da1b07156e9c3497b7bef59dfe3b0d65ae78b3ebb982b0711a98fcded5aaecc3d2f06df5c35b62243ef2b72f35406273e3ddbaec199e246e02615eb4b06051e7e9df1e55ef91d6c516f8c4e48fbae83a8271ab9c9f954d547cdccd0b971f01f2e96132973e4503bff77e541f9cf499e75a84c95241ba0f50f959415d5d9ca83520b153f77436738602bbab83877526951f00111c39a594fcb2574dbcb2531c0c63f6c1d54b3448c390f5947f30f2138f682e49ddbbd12a229733a586efd158c424ca932fa12843d1ce68d688368d365168cb538af6ec55e027c0762b6a06f54f564383c09e823baf081739ea1905bb8782960c775ac1b87d6cb67c881e99df49b689c7e0a6dc1ef825cebc3ea6362e85eda8918ba428097444d3923c1f67654aff605e587dc600114d2accdd7f0c23910565ac3ee42a10c2c4a7aa13a54b008d751cb57438cc25d9e0649ef0f9e1fea6ebd227a14c252a914b1b4d08269d7ec6f7370712b73e8e56e5845d7f3b1ece84a4513a2d076f6251c4b458c576dc9f6384b29612983647463f4d2a4e43708d4243b108dc52952a31e88ece891585678708657e43f5f818de69122779201bef075b39e4ae21a4e731f6c9833680838fb83e94f4df98015798fda5a352aa740c25daf24c2c7e0c7fe3645951e07f2e1ab8dee83def1d5a30a59e3a0f528724d2807d5b40d567f1d16ed46118483a8c7138a26888a9091c6f7c9f0ea73efb646e6c270b055dfc6ec389156ae8112775369f7930ec7df6b5abb38cf4c9974c20d2d526807e3d898b2215775ac36c423b5bbfb7023af5c0556cf3df0587df1ca77c70ee50ddd5259a27de26904d471ce519d8c1f2e8963e81bce24f40b94c4433032d3fab23c09468afa8eee263332a27e1a1751147fe886993a0447be48e06d84f82413f9eafb0bca549a89d01daaf945776216206f76d295a4029ac725d44fec0e9f9b4011dd9434d94bb361ebf99210ed9688ed122f42463dfaf4be8202a1a6bea3c08e63699a85251f13f0300ef52a92dd62de9c062f292819e10ddd955a6c33ab9f0047694b157e2fcebf7c2a5a43135763f318c0aafb4626469e1483b4e1bda66ec45447a333f06b04494960f53289337bb3aa6863f3f92f2ecf21e9f5ec69f6acdbae3694b95d274021f349e42702918aa411cc0c43b2b2db144dc71fec3dd55c37a94b779d3d9aa5b8da678fcf133f9b63184b243934cace2cff47e4b6b0680527d8cbe47f501b5e17dd8b4aa7e028d9e03a0879579fdd2bac0e2404eb9e706214f2c28992b5848ee8f89d90666c59ff6b4d77cd69685ad478dfabcad3a42494903531d98bba65c77b599fac2c5b82100c6b95b6799321919b65add68a6b22aa3bbd8915776279408105efcca7ef09cd21a7f6de1ee919e1b8d46707c95ecdede0a3c568c247b0f6d9af25ebd2ecc9f3733fa6fac90c1f5246517de95ab8c6f5aed5230f1e0ab2be79f62ccca065a6e5bccde46d2cb3cac53973f0a1c78038583e7b9b30523a4eb44cc724db917a587a7bcd73d9af0330c8354a65970c2ed84597fa80d91330f8c45f97f69e3366545de6c83b026f672e8519a880ae768193eff132df276cda9b695f4f76ab5eae5366dd0734169fb82f57f78c9f8877fa4830bdb8c2caaaaf1579627021e9b0d70ea40171081958d0a5ed0cdac30557655157cccda72a3b4bc16fb8ea9e0d586fc3432df41d5d97a0ae615c4facdfef0046344c15b210b1088147d4ce182bf091bc371a1444225f8baa3789616374c4cbf2f3a82cb3c122a972e9ff63ddac8f3b74fe5d67866b0cd4d2782cadef01fa72780a0550d3dbc414bf814e3fe38ec6e141a407ce27694d190f61408ca7c37b44263559166869823bd7baf538691b44a4f316f444aac4686c2b5c91d211810f3d0958c1e5089957dec1f0346fa4a8aa6392cb6e58957c2f497796e8e34cd85bd9d528a22e7b6ef2da6b67ce8aadc337aa0d479a5996c3208bf95a9b39356305455b2f1503abed73c6f8515b4170c68b0984ec4289b5167d5d7a29c739800e178633364d4ce89546e3766eb7646a82188700b46017f1d05f0619fe6f00df54cdb074fb2bf9e88cadb30eb63ee79a44b007da267e548f09b08e343d4608c303ba60f3d139ecadd6e7d40a933026f1d9d11ecb6e311fea1d298d8debb9ab3eb150a3d005239f410215729c5dd1bc5a1b5d7c828465ab074d7ee5a64af6ec167de9f99b8d5190e39edbc659906730494fb2750157dd5ff47752ac2d809f5c40327a1282d3bac9ad7d0c1962f4fbb7cdf46dd9308c9868efc19567210841b2490f61715941a08167b386d1f7f18d05bfed3df2cf91e6869b9822cd9f94ebcf3c754370023bc33599e90d6f403611b004d6dd6dcfd6fc88ed4af0b48f2d9bc0d87cf5635f1ce6c352c8477611d9c1bdc7b3747bd419fe885f580c656890174812d113ac76f1e74f3f5ebaea7f693de5ac2df3112741f250107834cd0af642de60024f083897df411f29b8c60796ad77e283eab915054241f5f6b79db1077df33c593f3276983be84a2568fafd36d657b8871113f70e0940ece8b2c3d3f8ad7e8c391ba3a0ce9a27bbc856003d8b190f08070fa620b5a1a5c3331a85fde2f1daa51e1bb578b97491111710c5861cf47d08cf7def00e04b3124ba41ee818fa2eac9b866e5d345dd6c44a3e654e86f4835310fe0b315611fd7faa4dc9633487e34d92b31542828b85ee02dd3fa8884dd44ea711a3686f6806df9f24528bbd21833411413e6b681bc05223519c2b4c39d407982e0883ebd658c4f7201cf0", 0xd7f}, {&(0x7f00000023c0)="b2d9fc0aca93f760d0f80963b55d63904bf3dc7ceca1d322cf12881606a0b5aef6ad483c510623540a87f969b2d23af9a0f8d5abccfaa1eee1d2d53e701c59c9d43ef42e700b78823a711b514872784f4eb1d9218f39a115a9b94f115edb63894c421a9604db67587331c29b4127754d2d58f6", 0x73, 0x4}]) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) creat(0x0, 0x0) fallocate(0xffffffffffffffff, 0x10, 0x0, 0x0) lsetxattr$security_capability(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400), 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xff7fffffffffffff, 0xffffffffffffffff, 0x0) umount2(&(0x7f0000000180)='./file0\x00', 0x0) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0x6, 0x20, 0x0, 0x74, 0x0, 0xfffffffffffffffd, 0x401, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={&(0x7f00000000c0)}, 0x41412, 0x800, 0x9, 0x945f7ba5830538a5, 0x8ab, 0x216, 0x2, 0x0, 0x0, 0x0, 0xe86}, 0x0, 0xc, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$BTRFS_IOC_LOGICAL_INO_V2(r0, 0xc038943b, &(0x7f0000000300)={0x3f, 0x38, '\x00', 0x0, &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) 14:56:29 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 362.389224][T10276] block nbd1: server does not support multiple connections per device. [ 362.407387][T10288] block nbd5: shutting down sockets [ 362.410362][T10276] block nbd1: shutting down sockets [ 362.440761][T10290] loop3: detected capacity change from 0 to 4096 [ 362.471734][T10292] block nbd0: server does not support multiple connections per device. 14:56:29 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 362.505096][T10290] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 362.518413][T10280] block nbd0: shutting down sockets [ 362.526137][T10295] block nbd2: shutting down sockets 14:56:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 362.739878][ T6594] block nbd4: Receive control failed (result -32) [ 362.739877][ T8881] block nbd4: Receive control failed (result -32) [ 362.758606][T10303] block nbd1: Device being setup by another task [ 362.765140][T10301] block nbd1: server does not support multiple connections per device. [ 362.783033][T10247] block nbd4: shutting down sockets 14:56:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:29 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 362.808857][T10303] block nbd1: shutting down sockets 14:56:29 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 362.989467][T10322] block nbd2: shutting down sockets [ 363.001334][T10327] block nbd5: shutting down sockets 14:56:29 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:29 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 363.049247][T10317] block nbd0: server does not support multiple connections per device. [ 363.059486][T10317] block nbd0: shutting down sockets 14:56:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 363.237931][T10332] block nbd0: server does not support multiple connections per device. [ 363.242790][T10329] block nbd1: server does not support multiple connections per device. [ 363.251404][T10332] block nbd0: shutting down sockets [ 363.273957][T10342] block nbd2: shutting down sockets [ 363.290291][T10329] block nbd1: shutting down sockets 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 363.328891][T10343] block nbd3: server does not support multiple connections per device. 14:56:30 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:30 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 363.382083][T10335] block nbd3: shutting down sockets [ 363.608167][T10349] block nbd0: server does not support multiple connections per device. [ 363.635312][T10349] block nbd0: shutting down sockets [ 363.687992][T10352] block nbd1: server does not support multiple connections per device. [ 363.705424][T10352] block nbd1: shutting down sockets [ 363.743175][ T6594] block nbd4: Receive control failed (result -32) [ 363.752545][T10315] block nbd4: shutting down sockets 14:56:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:30 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 364.033857][T10363] block nbd0: server does not support multiple connections per device. [ 364.058611][T10361] block nbd1: server does not support multiple connections per device. [ 364.061019][T10363] block nbd0: shutting down sockets [ 364.073120][T10361] block nbd1: shutting down sockets 14:56:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 364.103769][T10374] block nbd3: shutting down sockets 14:56:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 364.458033][T10385] block nbd5: server does not support multiple connections per device. [ 364.467104][T10385] block nbd5: shutting down sockets [ 364.467847][T10383] block nbd1: server does not support multiple connections per device. [ 364.508419][T10383] block nbd1: shutting down sockets [ 364.788458][ T8881] block nbd4: Receive control failed (result -32) [ 364.796154][T10366] block nbd4: shutting down sockets 14:56:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:31 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 364.998002][T10398] block nbd1: server does not support multiple connections per device. [ 365.041380][T10403] block nbd5: server does not support multiple connections per device. [ 365.050386][T10402] block nbd0: server does not support multiple connections per device. [ 365.103751][T10409] block nbd1: shutting down sockets [ 365.119523][T10413] block nbd5: shutting down sockets [ 365.120067][T10414] block nbd0: shutting down sockets 14:56:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 365.189296][T10415] block nbd3: shutting down sockets 14:56:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 365.538171][T10424] block nbd5: server does not support multiple connections per device. [ 365.553976][T10424] block nbd5: shutting down sockets [ 365.572215][T10427] block nbd2: server does not support multiple connections per device. [ 365.583735][T10431] block nbd3: shutting down sockets [ 365.640593][T10423] block nbd1: shutting down sockets [ 365.681390][T10433] block nbd2: shutting down sockets [ 365.686946][T10432] block nbd1: server does not support multiple connections per device. [ 365.738658][ T8881] block nbd4: Receive control failed (result -32) [ 365.748111][T10405] block nbd4: shutting down sockets 14:56:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:32 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 366.008540][T10439] block nbd0: server does not support multiple connections per device. [ 366.021854][T10439] block nbd0: shutting down sockets [ 366.079425][T10452] block nbd3: shutting down sockets 14:56:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 366.107647][T10451] block nbd5: shutting down sockets [ 366.112972][T10453] block nbd2: server does not support multiple connections per device. [ 366.151661][T10444] block nbd2: shutting down sockets 14:56:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:33 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 366.469116][T10463] block nbd2: server does not support multiple connections per device. [ 366.477949][T10466] block nbd0: server does not support multiple connections per device. [ 366.489198][T10463] block nbd2: shutting down sockets [ 366.502702][T10466] block nbd0: shutting down sockets 14:56:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 366.591569][T10482] block nbd5: shutting down sockets 14:56:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 366.831646][T10484] block nbd0: server does not support multiple connections per device. [ 366.863824][T10484] block nbd0: shutting down sockets [ 366.936191][T10491] block nbd2: shutting down sockets [ 367.043022][T10503] block nbd5: shutting down sockets [ 367.208047][ T8881] block nbd3: Receive control failed (result -32) [ 367.208577][T10465] block nbd3: shutting down sockets 14:56:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:34 executing program 5: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 367.437889][T10512] block nbd0: server does not support multiple connections per device. [ 367.446736][T10513] block nbd5: server does not support multiple connections per device. [ 367.464332][T10512] block nbd0: shutting down sockets [ 367.484753][T10513] block nbd5: shutting down sockets [ 367.525661][T10527] block nbd1: shutting down sockets [ 367.536082][T10528] block nbd2: shutting down sockets 14:56:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:34 executing program 5: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 367.812776][T10544] block nbd2: shutting down sockets [ 367.868381][T10541] block nbd5: server does not support multiple connections per device. [ 367.877112][T10542] block nbd4: server does not support multiple connections per device. [ 367.877737][T10540] block nbd0: server does not support multiple connections per device. [ 367.889660][T10535] block nbd4: shutting down sockets [ 367.895726][T10541] block nbd5: shutting down sockets [ 367.927652][T10548] block nbd1: shutting down sockets [ 367.976692][T10545] block nbd0: shutting down sockets [ 368.175326][ T8881] block nbd3: Receive control failed (result -32) [ 368.182371][ T9155] block nbd3: Receive control failed (result -32) [ 368.188932][T10516] block nbd3: shutting down sockets 14:56:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:35 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:35 executing program 5: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 368.389112][T10555] block nbd4: server does not support multiple connections per device. [ 368.397602][T10560] block nbd5: server does not support multiple connections per device. [ 368.407578][T10554] block nbd4: shutting down sockets [ 368.418281][T10561] block nbd2: server does not support multiple connections per device. 14:56:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) [ 368.437779][T10560] block nbd5: shutting down sockets [ 368.451886][T10568] block nbd1: shutting down sockets [ 368.468152][T10561] block nbd2: shutting down sockets 14:56:35 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:35 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 368.667824][T10577] block nbd5: server does not support multiple connections per device. [ 368.678253][T10577] block nbd5: shutting down sockets [ 368.686957][T10580] block nbd4: server does not support multiple connections per device. [ 368.770244][T10573] block nbd4: shutting down sockets [ 368.782380][T10579] block nbd1: shutting down sockets [ 368.927478][T10588] block nbd2: Device being setup by another task [ 369.006434][T10588] block nbd2: shutting down sockets [ 369.223832][ T9155] block nbd3: Receive control failed (result -32) [ 369.224311][T10564] block nbd3: shutting down sockets 14:56:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:36 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) 14:56:36 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 369.518877][T10612] block nbd1: Device being setup by another task [ 369.525734][T10606] block nbd5: server does not support multiple connections per device. [ 369.527295][T10608] block nbd2: server does not support multiple connections per device. [ 369.540194][T10606] block nbd5: shutting down sockets 14:56:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 369.614053][T10616] block nbd3: shutting down sockets [ 369.647691][T10612] block nbd1: shutting down sockets [ 369.650872][T10622] block nbd2: shutting down sockets 14:56:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:36 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 369.870983][T10629] block nbd0: shutting down sockets 14:56:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 370.015806][T10644] block nbd3: shutting down sockets [ 370.049051][T10641] block nbd5: server does not support multiple connections per device. [ 370.058423][T10638] block nbd2: server does not support multiple connections per device. [ 370.075315][T10638] block nbd2: shutting down sockets [ 370.082643][T10641] block nbd5: shutting down sockets 14:56:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 370.124101][T10649] block nbd1: shutting down sockets 14:56:37 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 370.190220][T10650] block nbd0: shutting down sockets [ 370.233254][ T8881] block nbd4: Receive control failed (result -32) [ 370.241030][ T9155] block nbd4: Receive control failed (result -32) [ 370.247688][T10604] block nbd4: shutting down sockets 14:56:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:37 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 370.348503][T10654] block nbd5: server does not support multiple connections per device. [ 370.382689][T10654] block nbd5: shutting down sockets [ 370.431997][T10668] block nbd3: shutting down sockets 14:56:37 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 370.589277][T10672] block nbd2: server does not support multiple connections per device. [ 370.614152][T10673] block nbd0: shutting down sockets [ 370.620478][T10665] block nbd1: shutting down sockets [ 370.672300][T10675] block nbd2: shutting down sockets 14:56:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:37 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 370.897879][T10681] block nbd5: server does not support multiple connections per device. [ 370.907356][T10687] block nbd1: Device being setup by another task [ 370.946657][T10681] block nbd5: shutting down sockets [ 370.952767][T10683] block nbd1: shutting down sockets 14:56:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:37 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 371.050646][T10692] block nbd2: server does not support multiple connections per device. [ 371.068207][T10688] block nbd3: shutting down sockets [ 371.094701][T10696] block nbd0: shutting down sockets [ 371.131358][T10698] block nbd2: shutting down sockets [ 371.178151][ T9155] block nbd4: Receive control failed (result -32) [ 371.186526][ T8881] block nbd4: Receive control failed (result -32) [ 371.193960][T10660] block nbd4: shutting down sockets 14:56:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:38 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 371.388526][T10704] block nbd5: server does not support multiple connections per device. [ 371.404059][T10704] block nbd5: shutting down sockets [ 371.412072][T10702] block nbd1: shutting down sockets [ 371.450720][T10715] block nbd0: shutting down sockets 14:56:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 371.577469][T10721] block nbd3: shutting down sockets 14:56:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 371.615805][T10722] block nbd2: server does not support multiple connections per device. [ 371.666403][T10719] block nbd2: shutting down sockets 14:56:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) accept(r1, &(0x7f0000000100)=@l2, &(0x7f0000000180)=0x80) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:38 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 371.777029][T10725] block nbd1: shutting down sockets 14:56:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 371.879565][T10739] block nbd0: shutting down sockets [ 371.882771][T10732] block nbd5: server does not support multiple connections per device. [ 371.894737][T10732] block nbd5: shutting down sockets 14:56:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 371.929473][T10738] block nbd2: server does not support multiple connections per device. [ 371.938414][T10737] block nbd3: shutting down sockets [ 371.957254][T10738] block nbd2: shutting down sockets [ 372.137822][T10744] block nbd5: server does not support multiple connections per device. [ 372.149988][T10744] block nbd5: shutting down sockets 14:56:39 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 14:56:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:39 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 372.181634][T10750] block nbd1: shutting down sockets [ 372.187313][T10746] block nbd0: shutting down sockets [ 372.204852][ T9155] block nbd4: Receive control failed (result -32) [ 372.207241][ T8881] block nbd4: Receive control failed (result -32) [ 372.219359][T10710] block nbd4: shutting down sockets 14:56:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 372.437673][T10755] block nbd2: server does not support multiple connections per device. [ 372.446531][T10755] block nbd2: shutting down sockets [ 372.454831][T10762] block nbd3: shutting down sockets [ 372.477750][T10757] block nbd5: server does not support multiple connections per device. [ 372.486491][T10759] block nbd4: server does not support multiple connections per device. 14:56:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 372.530470][T10756] block nbd4: shutting down sockets [ 372.530874][T10769] block nbd5: shutting down sockets 14:56:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 372.598006][T10771] block nbd1: shutting down sockets 14:56:39 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) [ 372.647730][T10766] block nbd0: shutting down sockets 14:56:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 372.849095][T10775] block nbd2: server does not support multiple connections per device. [ 372.869192][T10787] block nbd3: shutting down sockets [ 372.869680][T10775] block nbd2: shutting down sockets 14:56:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 372.897750][T10785] block nbd0: shutting down sockets [ 372.899930][T10781] block nbd4: server does not support multiple connections per device. [ 372.977797][T10778] block nbd4: shutting down sockets [ 372.990397][T10790] block nbd1: shutting down sockets 14:56:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:39 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.158620][T10795] block nbd2: server does not support multiple connections per device. [ 373.175961][T10795] block nbd2: shutting down sockets [ 373.216695][T10804] block nbd0: shutting down sockets 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.342124][T10816] block nbd1: shutting down sockets [ 373.370865][T10817] block nbd4: server does not support multiple connections per device. [ 373.379867][T10818] block nbd3: shutting down sockets 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.448732][T10802] block nbd4: shutting down sockets 14:56:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 373.621296][T10822] block nbd2: server does not support multiple connections per device. [ 373.638391][T10822] block nbd2: shutting down sockets 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.711081][T10832] block nbd0: shutting down sockets 14:56:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.811603][T10842] block nbd3: shutting down sockets [ 373.834952][T10838] block nbd4: server does not support multiple connections per device. [ 373.858406][T10849] block nbd1: shutting down sockets 14:56:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 373.901370][T10833] block nbd4: shutting down sockets [ 373.913203][T10855] block nbd0: shutting down sockets [ 373.983869][T10852] block nbd5: shutting down sockets 14:56:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:40 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 374.127109][T10860] block nbd1: Device being setup by another task 14:56:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 374.199306][T10860] block nbd1: shutting down sockets [ 374.309362][T10873] block nbd0: shutting down sockets [ 374.313184][T10869] block nbd4: server does not support multiple connections per device. [ 374.356582][T10863] block nbd4: shutting down sockets [ 374.381705][T10880] block nbd5: shutting down sockets 14:56:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 374.681044][T10891] block nbd0: shutting down sockets 14:56:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 374.719491][T10893] block nbd4: server does not support multiple connections per device. [ 374.733148][T10890] block nbd4: shutting down sockets [ 374.746297][T10900] block nbd1: shutting down sockets [ 374.863218][T10902] block nbd5: shutting down sockets 14:56:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) 14:56:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 375.127696][T10922] block nbd1: Device being setup by another task [ 375.134665][T10917] block nbd4: server does not support multiple connections per device. [ 375.154362][T10913] block nbd4: shutting down sockets [ 375.181113][T10929] block nbd0: shutting down sockets 14:56:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:42 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) [ 375.253610][T10922] block nbd1: shutting down sockets [ 375.264605][T10934] block nbd5: shutting down sockets 14:56:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 375.577630][T10941] block nbd4: server does not support multiple connections per device. [ 375.586304][T10940] block nbd4: shutting down sockets 14:56:42 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) [ 375.663878][T10959] block nbd2: shutting down sockets [ 375.666684][T10960] block nbd5: shutting down sockets [ 375.675463][T10951] block nbd3: server does not support multiple connections per device. [ 375.677878][T10962] block nbd0: shutting down sockets [ 375.684528][T10951] block nbd3: shutting down sockets [ 375.766479][T10961] block nbd1: shutting down sockets 14:56:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:56:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 375.987348][T10968] block nbd4: Device being setup by another task [ 376.047778][T10974] block nbd3: server does not support multiple connections per device. [ 376.069912][T10978] block nbd0: shutting down sockets [ 376.083372][T10974] block nbd3: shutting down sockets 14:56:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 376.108873][T10986] block nbd5: shutting down sockets [ 376.113043][T10990] block nbd1: shutting down sockets [ 376.116430][T10989] block nbd2: shutting down sockets 14:56:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000000c0)='/dev/nbd#\x00', 0x0, r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 376.337529][T10994] block nbd0: shutting down sockets 14:56:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 376.487639][T11002] block nbd5: shutting down sockets [ 376.510386][T11003] block nbd3: server does not support multiple connections per device. [ 376.528924][T11010] block nbd2: shutting down sockets [ 376.540398][T11012] block nbd1: shutting down sockets [ 376.573311][T11014] block nbd3: shutting down sockets [ 376.656061][ T9155] block nbd4: Receive control failed (result -32) [ 376.656390][T10967] block nbd4: shutting down sockets 14:56:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 377.008200][T11027] block nbd4: server does not support multiple connections per device. [ 377.022045][T11023] block nbd4: shutting down sockets [ 377.027752][T11028] block nbd5: shutting down sockets [ 377.048687][T11033] block nbd2: shutting down sockets [ 377.057738][T11026] block nbd1: shutting down sockets 14:56:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 377.110026][T11034] block nbd3: shutting down sockets 14:56:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 377.290404][ T9155] block nbd0: Receive control failed (result -32) [ 377.290425][ T9161] block nbd0: Receive control failed (result -32) [ 377.304615][T11004] block nbd0: shutting down sockets [ 377.387860][T11047] block nbd5: shutting down sockets [ 377.438776][T11051] block nbd2: shutting down sockets [ 377.497306][T11044] block nbd4: Device being setup by another task 14:56:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 377.539721][T11053] block nbd1: Device being setup by another task [ 377.577516][T11056] block nbd3: Device being setup by another task [ 377.607903][T11053] block nbd1: shutting down sockets 14:56:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 377.731653][T11056] block nbd3: shutting down sockets [ 377.756119][T11064] block nbd5: shutting down sockets 14:56:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 378.011944][T11078] block nbd2: shutting down sockets [ 378.034299][T11082] block nbd1: shutting down sockets [ 378.123541][ T9155] block nbd4: Receive control failed (result -32) [ 378.124158][T11046] block nbd4: shutting down sockets [ 378.139252][T11087] block nbd5: shutting down sockets 14:56:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 378.178248][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 378.184568][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 14:56:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 378.333979][T11084] block nbd3: shutting down sockets 14:56:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 378.488112][T11096] block nbd2: shutting down sockets 14:56:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 378.590435][T11110] block nbd5: shutting down sockets [ 378.647911][T11105] block nbd4: server does not support multiple connections per device. [ 378.654325][T11114] block nbd3: shutting down sockets [ 378.657860][T11100] block nbd4: shutting down sockets [ 378.667242][ T9160] block nbd0: Receive control failed (result -32) [ 378.667276][ T8881] block nbd0: Receive control failed (result -32) [ 378.669183][T11071] block nbd0: shutting down sockets 14:56:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:45 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 379.067472][T11117] block nbd2: shutting down sockets 14:56:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 379.172122][ T6594] block nbd1: Receive control failed (result -32) [ 379.172131][ T9155] block nbd1: Receive control failed (result -32) [ 379.185433][ T9161] block nbd1: Receive control failed (result -32) [ 379.192013][T11094] block nbd1: shutting down sockets [ 379.232863][T11130] block nbd5: shutting down sockets 14:56:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 379.260875][T11124] block nbd3: server does not support multiple connections per device. [ 379.297526][T11131] block nbd0: Device being setup by another task [ 379.334278][T11129] block nbd3: shutting down sockets 14:56:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:46 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 379.657758][T11141] block nbd2: shutting down sockets [ 379.673210][T11145] block nbd1: Device being setup by another task 14:56:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 14:56:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 379.777293][T11156] block nbd3: server does not support multiple connections per device. [ 379.805543][T11158] block nbd5: shutting down sockets [ 379.813161][T11147] block nbd3: shutting down sockets [ 379.907563][T11163] block nbd2: shutting down sockets [ 379.980575][ T9160] block nbd0: Receive control failed (result -32) [ 379.997545][T11125] block nbd0: shutting down sockets 14:56:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 14:56:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:47 executing program 3: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 380.372174][ T6594] block nbd1: Receive control failed (result -32) [ 380.372622][T11142] block nbd1: shutting down sockets [ 380.431795][T11179] block nbd5: shutting down sockets 14:56:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 380.476422][T11177] block nbd2: shutting down sockets [ 380.516982][T11180] block nbd3: server does not support multiple connections per device. [ 380.543281][T11173] block nbd3: shutting down sockets [ 380.547035][T11178] block nbd0: shutting down sockets 14:56:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:47 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 380.915582][T11191] block nbd1: Device being setup by another task [ 380.987171][T11203] block nbd2: shutting down sockets [ 381.035636][T11197] block nbd5: shutting down sockets [ 381.043408][T11206] block nbd3: server does not support multiple connections per device. 14:56:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 381.100187][T11196] block nbd3: shutting down sockets [ 381.130279][T11201] block nbd0: shutting down sockets 14:56:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 381.407761][T11215] block nbd3: server does not support multiple connections per device. [ 381.424061][T11215] block nbd3: shutting down sockets [ 381.457456][T11216] block nbd5: shutting down sockets [ 381.485108][ T9160] block nbd4: Receive control failed (result -32) [ 381.485560][T11186] block nbd4: shutting down sockets [ 381.501332][T11224] block nbd2: shutting down sockets [ 381.557223][ T9161] block nbd1: Receive control failed (result -32) [ 381.566293][ T6594] block nbd1: Receive control failed (result -32) [ 381.581660][ T9319] block nbd1: shutting down sockets [ 381.669484][T11225] block nbd0: shutting down sockets 14:56:48 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 382.060715][T11227] block nbd3: server does not support multiple connections per device. [ 382.104749][T11227] block nbd3: shutting down sockets [ 382.127130][T11241] block nbd5: shutting down sockets [ 382.157396][T11229] block nbd1: shutting down sockets [ 382.221885][T11247] block nbd2: shutting down sockets 14:56:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 382.279977][T11251] block nbd0: shutting down sockets 14:56:49 executing program 1 (fault-call:8 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:49 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:56:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 382.840383][T11260] block nbd0: shutting down sockets [ 382.868158][ T6594] block nbd4: Receive control failed (result -32) [ 382.878584][T11239] block nbd4: shutting down sockets [ 382.897904][T11259] block nbd2: shutting down sockets [ 382.917793][T11264] block nbd3: Device being setup by another task [ 382.937272][T11262] FAULT_INJECTION: forcing a failure. [ 382.937272][T11262] name failslab, interval 1, probability 0, space 0, times 1 [ 382.937280][T11267] block nbd5: Device being setup by another task [ 382.950177][T11268] block nbd1: Device being setup by another task [ 383.026845][T11262] CPU: 0 PID: 11262 Comm: syz-executor.1 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 383.036868][T11262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.046936][T11262] Call Trace: [ 383.050228][T11262] dump_stack_lvl+0xcd/0x134 [ 383.054903][T11262] should_fail.cold+0x5/0xa [ 383.059429][T11262] ? tomoyo_realpath_from_path+0xc3/0x620 [ 383.065217][T11262] should_failslab+0x5/0x10 [ 383.065536][T11272] block nbd1: shutting down sockets [ 383.069731][T11262] __kmalloc+0x72/0x330 [ 383.069816][T11262] tomoyo_realpath_from_path+0xc3/0x620 [ 383.069845][T11262] ? tomoyo_profile+0x42/0x50 [ 383.069908][T11262] tomoyo_path_number_perm+0x1d5/0x590 [ 383.094867][T11262] ? tomoyo_path_number_perm+0x18d/0x590 [ 383.100525][T11262] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 383.106386][T11262] ? lock_downgrade+0x6e0/0x6e0 [ 383.111335][T11262] ? __fget_files+0x23d/0x3e0 [ 383.116098][T11262] security_file_ioctl+0x50/0xb0 [ 383.121107][T11262] __x64_sys_ioctl+0xb3/0x200 [ 383.125863][T11262] do_syscall_64+0x35/0xb0 [ 383.130296][T11262] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 383.136256][T11262] RIP: 0033:0x4665e9 [ 383.140162][T11262] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 383.159787][T11262] RSP: 002b:00007f5df2388188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 383.168221][T11262] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 14:56:50 executing program 0 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 383.176213][T11262] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 383.184194][T11262] RBP: 00007f5df23881d0 R08: 0000000000000000 R09: 0000000000000000 [ 383.192184][T11262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 383.200178][T11262] R13: 00007ffd156f724f R14: 00007f5df2388300 R15: 0000000000022000 14:56:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 383.254339][T11269] block nbd3: shutting down sockets 14:56:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:50 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 383.478530][T11278] FAULT_INJECTION: forcing a failure. [ 383.478530][T11278] name failslab, interval 1, probability 0, space 0, times 1 [ 383.526618][T11278] CPU: 0 PID: 11278 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 383.536639][T11278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.546703][T11278] Call Trace: [ 383.549982][T11278] dump_stack_lvl+0xcd/0x134 [ 383.554581][T11278] should_fail.cold+0x5/0xa [ 383.559089][T11278] ? tomoyo_realpath_from_path+0xc3/0x620 [ 383.564807][T11278] should_failslab+0x5/0x10 [ 383.569311][T11278] __kmalloc+0x72/0x330 [ 383.573647][T11278] tomoyo_realpath_from_path+0xc3/0x620 [ 383.579198][T11278] ? tomoyo_profile+0x42/0x50 [ 383.583881][T11278] tomoyo_path_number_perm+0x1d5/0x590 [ 383.589334][T11278] ? tomoyo_path_number_perm+0x18d/0x590 [ 383.594974][T11278] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 383.600807][T11278] ? lock_downgrade+0x6e0/0x6e0 [ 383.605667][T11278] ? __fget_files+0x23d/0x3e0 [ 383.610361][T11278] security_file_ioctl+0x50/0xb0 [ 383.615303][T11278] __x64_sys_ioctl+0xb3/0x200 [ 383.619989][T11278] do_syscall_64+0x35/0xb0 [ 383.624405][T11278] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 383.630306][T11278] RIP: 0033:0x4665e9 [ 383.634199][T11278] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 383.653804][T11278] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 383.662219][T11278] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 383.670185][T11278] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 383.678151][T11278] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 383.686114][T11278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 383.694079][T11278] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 383.707538][ T6594] block nbd5: Receive control failed (result -32) 14:56:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 383.756497][T11286] block nbd0: shutting down sockets [ 383.767417][T11262] ERROR: Out of memory at tomoyo_realpath_from_path. [ 383.786055][T11262] block nbd1: Could not allocate knbd recv work queue. 14:56:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 383.815501][T11278] ERROR: Out of memory at tomoyo_realpath_from_path. [ 383.838108][T11287] block nbd2: shutting down sockets [ 383.886866][T11288] block nbd3: Device being setup by another task [ 383.913748][ T8985] block nbd5: shutting down sockets [ 383.928411][T11288] block nbd3: shutting down sockets 14:56:50 executing program 0 (fault-call:7 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:50 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 384.067411][T11297] block nbd5: server does not support multiple connections per device. [ 384.078654][T11294] block nbd5: shutting down sockets [ 384.107351][T11302] block nbd2: shutting down sockets 14:56:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 384.189568][T11308] FAULT_INJECTION: forcing a failure. [ 384.189568][T11308] name failslab, interval 1, probability 0, space 0, times 0 [ 384.203519][T11306] block nbd3: server does not support multiple connections per device. [ 384.216535][T11306] block nbd3: shutting down sockets [ 384.259001][T11315] block nbd0: shutting down sockets [ 384.261329][T11308] CPU: 1 PID: 11308 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 384.274207][T11308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.279972][T11314] block nbd1: shutting down sockets [ 384.284274][T11308] Call Trace: [ 384.284287][T11308] dump_stack_lvl+0xcd/0x134 [ 384.284326][T11308] should_fail.cold+0x5/0xa [ 384.284356][T11308] ? tomoyo_encode2.part.0+0xe9/0x3a0 [ 384.295299][T11289] block nbd4: shutting down sockets [ 384.297394][T11308] should_failslab+0x5/0x10 [ 384.297435][T11308] __kmalloc+0x72/0x330 [ 384.321080][T11308] tomoyo_encode2.part.0+0xe9/0x3a0 [ 384.326305][T11308] tomoyo_encode+0x28/0x50 [ 384.330735][T11308] tomoyo_realpath_from_path+0x186/0x620 [ 384.336398][T11308] tomoyo_path_number_perm+0x1d5/0x590 [ 384.341883][T11308] ? tomoyo_path_number_perm+0x18d/0x590 [ 384.347536][T11308] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 384.353397][T11308] ? lock_downgrade+0x6e0/0x6e0 [ 384.358284][T11308] ? __fget_files+0x23d/0x3e0 [ 384.362988][T11308] security_file_ioctl+0x50/0xb0 [ 384.367951][T11308] __x64_sys_ioctl+0xb3/0x200 [ 384.372653][T11308] do_syscall_64+0x35/0xb0 [ 384.377087][T11308] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 384.383007][T11308] RIP: 0033:0x4665e9 [ 384.386907][T11308] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:56:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 384.406538][T11308] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 384.414969][T11308] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 384.422949][T11308] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 384.430932][T11308] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 384.438913][T11308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 384.446892][T11308] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 384.537008][T11318] block nbd5: Device being setup by another task [ 384.544081][T11313] block nbd2: shutting down sockets 14:56:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 384.637248][T11322] block nbd3: server does not support multiple connections per device. [ 384.728681][T11326] block nbd3: shutting down sockets [ 384.773369][T11308] ERROR: Out of memory at tomoyo_realpath_from_path. 14:56:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:51 executing program 0 (fault-call:7 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 385.149818][ T6594] block nbd5: Receive control failed (result -32) [ 385.150681][T11319] block nbd5: shutting down sockets 14:56:52 executing program 5 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 385.296980][T11342] block nbd1: Device being setup by another task [ 385.360289][T11352] block nbd1: shutting down sockets [ 385.396862][T11351] block nbd0: Device being setup by another task [ 385.405334][T11353] FAULT_INJECTION: forcing a failure. [ 385.405334][T11353] name failslab, interval 1, probability 0, space 0, times 0 [ 385.426927][T11342] block nbd1: Device being setup by another task [ 385.430727][T11353] CPU: 0 PID: 11353 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 385.443236][T11353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.453298][T11353] Call Trace: [ 385.456585][T11353] dump_stack_lvl+0xcd/0x134 [ 385.461206][T11353] should_fail.cold+0x5/0xa [ 385.465739][T11353] ? alloc_workqueue+0x16d/0xef0 [ 385.470755][T11353] should_failslab+0x5/0x10 [ 385.475280][T11353] __kmalloc+0x72/0x330 [ 385.479471][T11353] alloc_workqueue+0x16d/0xef0 [ 385.484259][T11353] ? do_raw_spin_unlock+0x171/0x230 [ 385.489482][T11353] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 385.495219][T11353] ? __mutex_lock+0x21c/0x1300 [ 385.500007][T11353] ? nbd_ioctl+0x14f/0xa50 [ 385.504529][T11353] ? mutex_lock_io_nested+0x1160/0x1160 [ 385.510184][T11353] ? nbd_ioctl+0x2cd/0xa50 [ 385.514604][T11353] ? nbd_start_device+0xe9/0xd50 [ 385.519547][T11353] nbd_start_device+0x174/0xd50 [ 385.524419][T11353] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 385.530725][T11353] nbd_ioctl+0x527/0xa50 [ 385.534970][T11353] ? vfs_fileattr_set+0xb50/0xb50 [ 385.540004][T11353] ? blk_ioctl_discard+0x2e0/0x2e0 [ 385.545154][T11353] ? nbd_release+0x1a0/0x1a0 [ 385.549748][T11353] ? lock_downgrade+0x6e0/0x6e0 [ 385.554604][T11353] ? nbd_release+0x1a0/0x1a0 [ 385.559192][T11353] blkdev_ioctl+0x2a1/0x6d0 [ 385.563696][T11353] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 385.569156][T11353] ? __fget_files+0x23d/0x3e0 [ 385.573845][T11353] block_ioctl+0xf9/0x140 [ 385.578221][T11353] ? bd_unlink_disk_holder+0x430/0x430 [ 385.584035][T11353] __x64_sys_ioctl+0x193/0x200 [ 385.588809][T11353] do_syscall_64+0x35/0xb0 [ 385.593230][T11353] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 385.599143][T11353] RIP: 0033:0x4665e9 [ 385.603033][T11353] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 385.622723][T11353] RSP: 002b:00007f36453ff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 385.631150][T11353] RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665e9 [ 385.639131][T11353] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 14:56:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 385.647095][T11353] RBP: 00007f36453ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 385.655059][T11353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 385.663023][T11353] R13: 00007ffed58aec4f R14: 00007f36453ff300 R15: 0000000000022000 [ 385.689339][T11353] block nbd0: Could not allocate knbd recv work queue. [ 385.696278][T11348] block nbd0: shutting down sockets [ 385.714618][ T9161] block nbd4: Receive control failed (result -32) [ 385.716715][T11360] block nbd3: server does not support multiple connections per device. [ 385.722976][T11335] block nbd4: shutting down sockets [ 385.740177][T11354] block nbd3: shutting down sockets [ 385.789440][T11358] FAULT_INJECTION: forcing a failure. [ 385.789440][T11358] name failslab, interval 1, probability 0, space 0, times 0 [ 385.807003][T11356] block nbd5: Device being setup by another task [ 385.813461][ T8881] block nbd2: Receive control failed (result -32) [ 385.820475][ T6594] block nbd2: Receive control failed (result -32) [ 385.827973][T11343] block nbd2: shutting down sockets [ 385.845234][T11356] block nbd5: shutting down sockets [ 385.950452][T11358] CPU: 1 PID: 11358 Comm: syz-executor.5 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 385.960501][T11358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.970572][T11358] Call Trace: [ 385.973865][T11358] dump_stack_lvl+0xcd/0x134 [ 385.978490][T11358] should_fail.cold+0x5/0xa [ 385.983027][T11358] ? tomoyo_realpath_from_path+0xc3/0x620 [ 385.988768][T11358] should_failslab+0x5/0x10 [ 385.993292][T11358] __kmalloc+0x72/0x330 [ 385.997478][T11358] tomoyo_realpath_from_path+0xc3/0x620 [ 386.003054][T11358] ? tomoyo_profile+0x42/0x50 [ 386.007757][T11358] tomoyo_path_number_perm+0x1d5/0x590 [ 386.013409][T11358] ? tomoyo_path_number_perm+0x18d/0x590 [ 386.019066][T11358] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 386.024921][T11358] ? lock_downgrade+0x6e0/0x6e0 [ 386.029808][T11358] ? __fget_files+0x23d/0x3e0 [ 386.034516][T11358] security_file_ioctl+0x50/0xb0 [ 386.039486][T11358] __x64_sys_ioctl+0xb3/0x200 [ 386.044192][T11358] do_syscall_64+0x35/0xb0 [ 386.048628][T11358] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 386.054552][T11358] RIP: 0033:0x4665e9 [ 386.058457][T11358] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 386.078173][T11358] RSP: 002b:00007f7b2def8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 386.086630][T11358] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9 14:56:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:56:52 executing program 0 (fault-call:7 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 386.094614][T11358] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 386.102598][T11358] RBP: 00007f7b2def81d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.110583][T11358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 386.118567][T11358] R13: 00007ffca280511f R14: 00007f7b2def8300 R15: 0000000000022000 [ 386.161349][T11358] ERROR: Out of memory at tomoyo_realpath_from_path. 14:56:53 executing program 5 (fault-call:7 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 386.266808][T11364] block nbd1: Device being setup by another task [ 386.276934][T11369] block nbd0: Device being setup by another task [ 386.283679][T11366] FAULT_INJECTION: forcing a failure. [ 386.283679][T11366] name failslab, interval 1, probability 0, space 0, times 0 [ 386.336721][T11362] block nbd1: Device being setup by another task [ 386.344388][T11363] block nbd1: shutting down sockets [ 386.358020][T11366] CPU: 0 PID: 11366 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 386.368027][T11366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.378098][T11366] Call Trace: [ 386.381389][T11366] dump_stack_lvl+0xcd/0x134 [ 386.386009][T11366] should_fail.cold+0x5/0xa [ 386.390540][T11366] ? alloc_workqueue_attrs+0x38/0x80 [ 386.395837][T11366] should_failslab+0x5/0x10 [ 386.400359][T11366] kmem_cache_alloc_trace+0x55/0x3c0 [ 386.405672][T11366] alloc_workqueue_attrs+0x38/0x80 [ 386.410803][T11366] alloc_workqueue+0x192/0xef0 [ 386.415589][T11366] ? do_raw_spin_unlock+0x171/0x230 [ 386.420811][T11366] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 386.426546][T11366] ? __mutex_lock+0x21c/0x1300 [ 386.431335][T11366] ? nbd_ioctl+0x14f/0xa50 [ 386.435774][T11366] ? mutex_lock_io_nested+0x1160/0x1160 [ 386.441336][T11366] ? nbd_ioctl+0x2cd/0xa50 [ 386.445872][T11366] ? nbd_start_device+0xe9/0xd50 [ 386.450833][T11366] nbd_start_device+0x174/0xd50 [ 386.455704][T11366] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 386.461971][T11366] nbd_ioctl+0x527/0xa50 [ 386.466221][T11366] ? vfs_fileattr_set+0xb50/0xb50 [ 386.471251][T11366] ? blk_ioctl_discard+0x2e0/0x2e0 [ 386.476370][T11366] ? nbd_release+0x1a0/0x1a0 [ 386.480970][T11366] ? lock_downgrade+0x6e0/0x6e0 [ 386.485830][T11366] ? nbd_release+0x1a0/0x1a0 [ 386.490429][T11366] blkdev_ioctl+0x2a1/0x6d0 [ 386.494947][T11366] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 386.500441][T11366] ? __fget_files+0x23d/0x3e0 [ 386.505148][T11366] block_ioctl+0xf9/0x140 [ 386.509477][T11366] ? bd_unlink_disk_holder+0x430/0x430 [ 386.514939][T11366] __x64_sys_ioctl+0x193/0x200 [ 386.519731][T11366] do_syscall_64+0x35/0xb0 [ 386.524146][T11366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 386.530054][T11366] RIP: 0033:0x4665e9 [ 386.533944][T11366] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 386.553547][T11366] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 386.561954][T11366] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 386.569919][T11366] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 386.577881][T11366] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 386.585846][T11366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 386.593808][T11366] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 386.636869][T11380] block nbd3: server does not support multiple connections per device. [ 386.643694][T11366] block nbd0: Could not allocate knbd recv work queue. [ 386.655186][T11369] block nbd0: shutting down sockets [ 386.670565][T11376] block nbd3: shutting down sockets [ 386.828160][T11384] FAULT_INJECTION: forcing a failure. [ 386.828160][T11384] name failslab, interval 1, probability 0, space 0, times 0 [ 386.876670][T11387] block nbd5: Device being setup by another task [ 386.891302][T11389] block nbd5: shutting down sockets [ 386.906248][T11384] CPU: 1 PID: 11384 Comm: syz-executor.5 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 386.916259][T11384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.926326][T11384] Call Trace: [ 386.929615][T11384] dump_stack_lvl+0xcd/0x134 [ 386.934235][T11384] should_fail.cold+0x5/0xa [ 386.938765][T11384] ? tomoyo_encode2.part.0+0xe9/0x3a0 [ 386.944160][T11384] should_failslab+0x5/0x10 [ 386.948683][T11384] __kmalloc+0x72/0x330 [ 386.952869][T11384] tomoyo_encode2.part.0+0xe9/0x3a0 [ 386.958097][T11384] tomoyo_encode+0x28/0x50 [ 386.962530][T11384] tomoyo_realpath_from_path+0x186/0x620 [ 386.968188][T11384] tomoyo_path_number_perm+0x1d5/0x590 [ 386.973664][T11384] ? tomoyo_path_number_perm+0x18d/0x590 [ 386.979316][T11384] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 386.985172][T11384] ? lock_downgrade+0x6e0/0x6e0 [ 386.990060][T11384] ? __fget_files+0x23d/0x3e0 [ 386.994765][T11384] security_file_ioctl+0x50/0xb0 [ 386.999729][T11384] __x64_sys_ioctl+0xb3/0x200 [ 387.004429][T11384] do_syscall_64+0x35/0xb0 [ 387.008862][T11384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 387.014780][T11384] RIP: 0033:0x4665e9 [ 387.018683][T11384] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 387.038311][T11384] RSP: 002b:00007f7b2df19188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 387.046744][T11384] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 387.054744][T11384] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 387.062728][T11384] RBP: 00007f7b2df191d0 R08: 0000000000000000 R09: 0000000000000000 14:56:53 executing program 0 (fault-call:7 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 387.070709][T11384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 387.078695][T11384] R13: 00007ffca280511f R14: 00007f7b2df19300 R15: 0000000000022000 [ 387.108610][ T8881] block nbd4: Receive control failed (result -32) 14:56:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 387.139576][ T9161] block nbd2: Receive control failed (result -32) [ 387.140331][T11383] block nbd2: shutting down sockets [ 387.177347][ T9319] block nbd4: shutting down sockets [ 387.201902][T11384] ERROR: Out of memory at tomoyo_realpath_from_path. 14:56:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 387.354027][T11395] block nbd1: shutting down sockets 14:56:54 executing program 5 (fault-call:7 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 387.386931][T11393] block nbd1: Device being setup by another task [ 387.426867][T11404] FAULT_INJECTION: forcing a failure. 14:56:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 387.426867][T11404] name failslab, interval 1, probability 0, space 0, times 0 [ 387.476811][T11404] CPU: 1 PID: 11404 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 387.486831][T11404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.496898][T11404] Call Trace: [ 387.500188][T11404] dump_stack_lvl+0xcd/0x134 [ 387.504809][T11404] should_fail.cold+0x5/0xa [ 387.509354][T11404] should_failslab+0x5/0x10 [ 387.513883][T11404] __kmalloc_track_caller+0x79/0x420 [ 387.519295][T11404] ? kasprintf+0xbb/0xf0 [ 387.523628][T11404] kvasprintf+0xb5/0x150 [ 387.527885][T11404] ? bust_spinlocks+0xe0/0xe0 [ 387.532592][T11404] kasprintf+0xbb/0xf0 [ 387.536677][T11404] ? kvasprintf_const+0x190/0x190 [ 387.541720][T11404] ? call_rcu_zapped+0xb0/0xb0 [ 387.546504][T11404] ? lockdep_unlock+0x11c/0x290 [ 387.551385][T11404] alloc_workqueue+0x45d/0xef0 [ 387.556173][T11404] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 387.561905][T11404] ? __mutex_lock+0x21c/0x1300 [ 387.566697][T11404] ? nbd_ioctl+0x14f/0xa50 [ 387.571168][T11404] ? mutex_lock_io_nested+0x1160/0x1160 [ 387.576741][T11404] ? nbd_ioctl+0x2cd/0xa50 [ 387.581176][T11404] ? nbd_start_device+0x126/0xd50 [ 387.586226][T11404] nbd_start_device+0x174/0xd50 [ 387.591188][T11404] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 387.597460][T11404] nbd_ioctl+0x527/0xa50 [ 387.601726][T11404] ? vfs_fileattr_set+0xb50/0xb50 [ 387.606767][T11404] ? blk_ioctl_discard+0x2e0/0x2e0 [ 387.611897][T11404] ? nbd_release+0x1a0/0x1a0 [ 387.616506][T11404] ? lock_downgrade+0x6e0/0x6e0 [ 387.621386][T11404] ? nbd_release+0x1a0/0x1a0 [ 387.625985][T11404] blkdev_ioctl+0x2a1/0x6d0 [ 387.630512][T11404] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 387.635990][T11404] ? __fget_files+0x23d/0x3e0 [ 387.640687][T11404] block_ioctl+0xf9/0x140 [ 387.645027][T11404] ? bd_unlink_disk_holder+0x430/0x430 [ 387.650503][T11404] __x64_sys_ioctl+0x193/0x200 [ 387.655550][T11404] do_syscall_64+0x35/0xb0 [ 387.659980][T11404] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 387.665891][T11404] RIP: 0033:0x4665e9 [ 387.669881][T11404] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 387.689503][T11404] RSP: 002b:00007f3645420188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 387.697942][T11404] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9 [ 387.705935][T11404] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 387.713922][T11404] RBP: 00007f36454201d0 R08: 0000000000000000 R09: 0000000000000000 [ 387.721907][T11404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 387.729893][T11404] R13: 00007ffed58aec4f R14: 00007f3645420300 R15: 0000000000022000 [ 387.747366][T11393] block nbd1: Device being setup by another task [ 387.765267][T11393] block nbd1: shutting down sockets [ 387.777141][T11398] block nbd0: shutting down sockets 14:56:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 387.817130][T11420] block nbd5: Device being setup by another task [ 387.823889][T11422] FAULT_INJECTION: forcing a failure. [ 387.823889][T11422] name failslab, interval 1, probability 0, space 0, times 0 [ 387.926183][T11422] CPU: 0 PID: 11422 Comm: syz-executor.5 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 387.936210][T11422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.946279][T11422] Call Trace: [ 387.949569][T11422] dump_stack_lvl+0xcd/0x134 [ 387.954186][T11422] should_fail.cold+0x5/0xa [ 387.958715][T11422] ? alloc_workqueue+0x16d/0xef0 [ 387.963671][T11422] should_failslab+0x5/0x10 [ 387.968195][T11422] __kmalloc+0x72/0x330 [ 387.972383][T11422] alloc_workqueue+0x16d/0xef0 [ 387.977169][T11422] ? do_raw_spin_unlock+0x171/0x230 [ 387.982387][T11422] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 387.988127][T11422] ? __mutex_lock+0x21c/0x1300 [ 387.992917][T11422] ? nbd_ioctl+0x14f/0xa50 [ 387.997359][T11422] ? mutex_lock_io_nested+0x1160/0x1160 [ 388.002926][T11422] ? nbd_ioctl+0x2cd/0xa50 [ 388.007363][T11422] ? nbd_start_device+0xe9/0xd50 [ 388.012324][T11422] nbd_start_device+0x174/0xd50 [ 388.017190][T11422] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 388.023463][T11422] nbd_ioctl+0x527/0xa50 [ 388.027732][T11422] ? vfs_fileattr_set+0xb50/0xb50 [ 388.032782][T11422] ? blk_ioctl_discard+0x2e0/0x2e0 [ 388.037918][T11422] ? nbd_release+0x1a0/0x1a0 [ 388.042539][T11422] ? lock_downgrade+0x6e0/0x6e0 [ 388.047424][T11422] ? nbd_release+0x1a0/0x1a0 [ 388.052032][T11422] blkdev_ioctl+0x2a1/0x6d0 [ 388.056557][T11422] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 388.062039][T11422] ? __fget_files+0x23d/0x3e0 [ 388.066744][T11422] block_ioctl+0xf9/0x140 [ 388.071086][T11422] ? bd_unlink_disk_holder+0x430/0x430 [ 388.076565][T11422] __x64_sys_ioctl+0x193/0x200 [ 388.081354][T11422] do_syscall_64+0x35/0xb0 [ 388.085814][T11422] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 388.091737][T11422] RIP: 0033:0x4665e9 [ 388.095646][T11422] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 388.115273][T11422] RSP: 002b:00007f7b2ded7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 14:56:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:55 executing program 0 (fault-call:7 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.123701][T11422] RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665e9 [ 388.131686][T11422] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 388.139668][T11422] RBP: 00007f7b2ded71d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.147650][T11422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 388.155636][T11422] R13: 00007ffca280511f R14: 00007f7b2ded7300 R15: 0000000000022000 14:56:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 388.211811][ T6594] block nbd4: Receive control failed (result -32) [ 388.220901][T11405] block nbd4: shutting down sockets [ 388.268213][ T8881] block nbd2: Receive control failed (result -32) [ 388.276597][ T9161] block nbd2: Receive control failed (result -32) [ 388.283738][T11413] block nbd2: shutting down sockets 14:56:55 executing program 2 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.344434][T11422] block nbd5: Could not allocate knbd recv work queue. [ 388.359735][T11418] block nbd5: shutting down sockets 14:56:55 executing program 5 (fault-call:7 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.446738][T11437] block nbd0: Device being setup by another task [ 388.447094][T11434] block nbd4: shutting down sockets [ 388.457182][T11433] FAULT_INJECTION: forcing a failure. [ 388.457182][T11433] name failslab, interval 1, probability 0, space 0, times 0 [ 388.500217][T11433] CPU: 0 PID: 11433 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 388.510244][T11433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.520337][T11433] Call Trace: [ 388.523623][T11433] dump_stack_lvl+0xcd/0x134 [ 388.528234][T11433] should_fail.cold+0x5/0xa [ 388.532750][T11433] ? apply_wqattrs_prepare+0xac/0x890 [ 388.538123][T11433] should_failslab+0x5/0x10 [ 388.542631][T11433] __kmalloc+0x72/0x330 [ 388.546797][T11433] apply_wqattrs_prepare+0xac/0x890 [ 388.552012][T11433] apply_workqueue_attrs_locked+0xc1/0x140 [ 388.557828][T11433] alloc_workqueue+0xafb/0xef0 [ 388.562697][T11433] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 388.568415][T11433] ? __mutex_lock+0x21c/0x1300 [ 388.573185][T11433] ? nbd_ioctl+0x14f/0xa50 [ 388.577629][T11433] ? mutex_lock_io_nested+0x1160/0x1160 [ 388.583180][T11433] ? nbd_ioctl+0x2cd/0xa50 [ 388.587594][T11433] ? nbd_start_device+0xe9/0xd50 [ 388.592535][T11433] nbd_start_device+0x174/0xd50 [ 388.597384][T11433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 388.603640][T11433] nbd_ioctl+0x527/0xa50 [ 388.607899][T11433] ? vfs_fileattr_set+0xb50/0xb50 [ 388.612927][T11433] ? blk_ioctl_discard+0x2e0/0x2e0 [ 388.618040][T11433] ? nbd_release+0x1a0/0x1a0 [ 388.622636][T11433] ? lock_downgrade+0x6e0/0x6e0 [ 388.627490][T11433] ? nbd_release+0x1a0/0x1a0 [ 388.632089][T11433] blkdev_ioctl+0x2a1/0x6d0 [ 388.636591][T11433] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 388.642051][T11433] ? __fget_files+0x23d/0x3e0 [ 388.646738][T11433] block_ioctl+0xf9/0x140 [ 388.651064][T11433] ? bd_unlink_disk_holder+0x430/0x430 [ 388.656521][T11433] __x64_sys_ioctl+0x193/0x200 [ 388.661301][T11433] do_syscall_64+0x35/0xb0 [ 388.665735][T11433] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 388.671633][T11433] RIP: 0033:0x4665e9 [ 388.675523][T11433] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 388.695143][T11433] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 388.703566][T11433] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 388.711532][T11433] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 388.719494][T11433] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.727474][T11433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 388.735440][T11433] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 14:56:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 388.768473][T11436] block nbd1: shutting down sockets [ 388.826718][T11436] block nbd1: shutting down sockets 14:56:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.868342][T11439] FAULT_INJECTION: forcing a failure. [ 388.868342][T11439] name failslab, interval 1, probability 0, space 0, times 0 14:56:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.931724][T11439] CPU: 0 PID: 11439 Comm: syz-executor.2 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 388.941753][T11439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.951836][T11439] Call Trace: [ 388.955137][T11439] dump_stack_lvl+0xcd/0x134 [ 388.959767][T11439] should_fail.cold+0x5/0xa [ 388.964301][T11439] ? tomoyo_realpath_from_path+0xc3/0x620 [ 388.970039][T11439] should_failslab+0x5/0x10 [ 388.974559][T11439] __kmalloc+0x72/0x330 14:56:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 388.978739][T11439] tomoyo_realpath_from_path+0xc3/0x620 [ 388.984314][T11439] ? tomoyo_profile+0x42/0x50 [ 388.989043][T11439] tomoyo_path_number_perm+0x1d5/0x590 [ 388.994515][T11439] ? tomoyo_path_number_perm+0x18d/0x590 [ 389.000171][T11439] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 389.006028][T11439] ? lock_downgrade+0x6e0/0x6e0 [ 389.010913][T11439] ? __fget_files+0x23d/0x3e0 [ 389.015622][T11439] security_file_ioctl+0x50/0xb0 [ 389.020585][T11439] __x64_sys_ioctl+0xb3/0x200 [ 389.025297][T11439] do_syscall_64+0x35/0xb0 14:56:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 389.029730][T11439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 389.035647][T11439] RIP: 0033:0x4665e9 [ 389.039551][T11439] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 389.059181][T11439] RSP: 002b:00007f1e9a80e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 389.067619][T11439] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 389.075608][T11439] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 389.083593][T11439] RBP: 00007f1e9a80e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 389.091584][T11439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 389.099581][T11439] R13: 00007ffe5f26fbcf R14: 00007f1e9a80e300 R15: 0000000000022000 [ 389.113250][T11433] block nbd0: Could not allocate knbd recv work queue. [ 389.118934][T11449] block nbd2: shutting down sockets [ 389.123494][T11437] block nbd0: shutting down sockets [ 389.146613][T11452] block nbd5: Device being setup by another task [ 389.154531][T11455] FAULT_INJECTION: forcing a failure. [ 389.154531][T11455] name failslab, interval 1, probability 0, space 0, times 0 [ 389.176707][T11439] ERROR: Out of memory at tomoyo_realpath_from_path. [ 389.176748][T11453] block nbd4: Device being setup by another task [ 389.187886][T11465] block nbd3: shutting down sockets [ 389.204892][T11455] CPU: 0 PID: 11455 Comm: syz-executor.5 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 389.214905][T11455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.224974][T11455] Call Trace: [ 389.228258][T11455] dump_stack_lvl+0xcd/0x134 [ 389.232857][T11455] should_fail.cold+0x5/0xa [ 389.237366][T11455] ? alloc_workqueue_attrs+0x38/0x80 [ 389.242649][T11455] should_failslab+0x5/0x10 [ 389.247160][T11455] kmem_cache_alloc_trace+0x55/0x3c0 [ 389.252453][T11455] alloc_workqueue_attrs+0x38/0x80 [ 389.257569][T11455] alloc_workqueue+0x192/0xef0 [ 389.262346][T11455] ? do_raw_spin_unlock+0x171/0x230 [ 389.267562][T11455] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 389.273290][T11455] ? __mutex_lock+0x21c/0x1300 [ 389.278089][T11455] ? nbd_ioctl+0x14f/0xa50 [ 389.282601][T11455] ? mutex_lock_io_nested+0x1160/0x1160 [ 389.288154][T11455] ? nbd_ioctl+0x2cd/0xa50 [ 389.292585][T11455] ? nbd_start_device+0xe9/0xd50 [ 389.297525][T11455] nbd_start_device+0x174/0xd50 [ 389.302378][T11455] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 389.308631][T11455] nbd_ioctl+0x527/0xa50 [ 389.312874][T11455] ? vfs_fileattr_set+0xb50/0xb50 [ 389.317903][T11455] ? blk_ioctl_discard+0x2e0/0x2e0 [ 389.323032][T11455] ? nbd_release+0x1a0/0x1a0 [ 389.327628][T11455] ? lock_downgrade+0x6e0/0x6e0 [ 389.332487][T11455] ? nbd_release+0x1a0/0x1a0 [ 389.337075][T11455] blkdev_ioctl+0x2a1/0x6d0 [ 389.341581][T11455] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 389.347042][T11455] ? __fget_files+0x23d/0x3e0 [ 389.351729][T11455] block_ioctl+0xf9/0x140 [ 389.356059][T11455] ? bd_unlink_disk_holder+0x430/0x430 [ 389.361516][T11455] __x64_sys_ioctl+0x193/0x200 [ 389.366289][T11455] do_syscall_64+0x35/0xb0 [ 389.370708][T11455] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 389.376608][T11455] RIP: 0033:0x4665e9 [ 389.380500][T11455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 389.400201][T11455] RSP: 002b:00007f7b2ded7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 389.408620][T11455] RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665e9 [ 389.416594][T11455] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 389.424565][T11455] RBP: 00007f7b2ded71d0 R08: 0000000000000000 R09: 0000000000000000 [ 389.432532][T11455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 389.440499][T11455] R13: 00007ffca280511f R14: 00007f7b2ded7300 R15: 0000000000022000 [ 389.459081][T11439] block nbd2: Could not allocate knbd recv work queue. 14:56:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:56 executing program 0 (fault-call:7 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 389.509499][T11445] block nbd4: shutting down sockets [ 389.588439][T11467] block nbd1: shutting down sockets 14:56:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 389.716796][T11467] block nbd1: Device being setup by another task [ 389.724455][T11467] block nbd1: shutting down sockets [ 389.739039][T11472] FAULT_INJECTION: forcing a failure. [ 389.739039][T11472] name failslab, interval 1, probability 0, space 0, times 0 [ 389.789183][T11472] CPU: 0 PID: 11472 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 389.799208][T11472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.809281][T11472] Call Trace: [ 389.812571][T11472] dump_stack_lvl+0xcd/0x134 [ 389.817187][T11472] should_fail.cold+0x5/0xa [ 389.821724][T11472] ? alloc_workqueue_attrs+0x38/0x80 [ 389.827028][T11472] should_failslab+0x5/0x10 [ 389.831556][T11472] kmem_cache_alloc_trace+0x55/0x3c0 14:56:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 389.836874][T11472] alloc_workqueue_attrs+0x38/0x80 [ 389.842006][T11472] apply_wqattrs_prepare+0xb4/0x890 [ 389.847235][T11472] apply_workqueue_attrs_locked+0xc1/0x140 [ 389.853066][T11472] alloc_workqueue+0xafb/0xef0 [ 389.857862][T11472] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 389.863599][T11472] ? __mutex_lock+0x21c/0x1300 [ 389.868390][T11472] ? nbd_ioctl+0x14f/0xa50 [ 389.872832][T11472] ? mutex_lock_io_nested+0x1160/0x1160 [ 389.878400][T11472] ? nbd_ioctl+0x2cd/0xa50 [ 389.882836][T11472] ? nbd_start_device+0x126/0xd50 [ 389.887886][T11472] nbd_start_device+0x174/0xd50 [ 389.892759][T11472] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 389.899036][T11472] nbd_ioctl+0x527/0xa50 [ 389.903301][T11472] ? vfs_fileattr_set+0xb50/0xb50 [ 389.908353][T11472] ? blk_ioctl_discard+0x2e0/0x2e0 [ 389.913525][T11472] ? nbd_release+0x1a0/0x1a0 [ 389.918141][T11472] ? lock_downgrade+0x6e0/0x6e0 [ 389.923027][T11472] ? nbd_release+0x1a0/0x1a0 [ 389.927629][T11472] blkdev_ioctl+0x2a1/0x6d0 [ 389.932152][T11472] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 389.937634][T11472] ? __fget_files+0x23d/0x3e0 [ 389.942342][T11472] block_ioctl+0xf9/0x140 [ 389.946687][T11472] ? bd_unlink_disk_holder+0x430/0x430 [ 389.952172][T11472] __x64_sys_ioctl+0x193/0x200 [ 389.956964][T11472] do_syscall_64+0x35/0xb0 [ 389.961393][T11472] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 389.967307][T11472] RIP: 0033:0x4665e9 [ 389.971214][T11472] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 389.990836][T11472] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 389.999284][T11472] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 390.007270][T11472] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 390.015336][T11472] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 390.023324][T11472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 390.031306][T11472] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 390.083232][T11455] block nbd5: Could not allocate knbd recv work queue. [ 390.096300][T11459] block nbd5: shutting down sockets [ 390.113262][T11478] block nbd3: shutting down sockets [ 390.124826][T11472] block nbd0: Could not allocate knbd recv work queue. [ 390.136431][T11490] block nbd1: Device being setup by another task [ 390.143835][T11487] block nbd4: Device being setup by another task [ 390.150269][T11482] block nbd2: Device being setup by another task [ 390.173946][T11476] block nbd4: shutting down sockets [ 390.187843][T11479] block nbd0: shutting down sockets [ 390.196958][T11492] block nbd1: Device being setup by another task [ 390.203540][T11485] block nbd1: shutting down sockets [ 390.273814][T11489] block nbd2: shutting down sockets 14:56:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 0 (fault-call:7 fault-nth:7): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 390.548339][T11499] FAULT_INJECTION: forcing a failure. [ 390.548339][T11499] name failslab, interval 1, probability 0, space 0, times 0 [ 390.575825][T11499] CPU: 0 PID: 11499 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 390.585848][T11499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.595902][T11499] Call Trace: [ 390.599177][T11499] dump_stack_lvl+0xcd/0x134 [ 390.603777][T11499] should_fail.cold+0x5/0xa [ 390.608284][T11499] ? alloc_workqueue_attrs+0x38/0x80 [ 390.613569][T11499] should_failslab+0x5/0x10 [ 390.618075][T11499] kmem_cache_alloc_trace+0x55/0x3c0 [ 390.623372][T11499] alloc_workqueue_attrs+0x38/0x80 [ 390.628482][T11499] apply_wqattrs_prepare+0xbc/0x890 [ 390.633688][T11499] apply_workqueue_attrs_locked+0xc1/0x140 [ 390.639493][T11499] alloc_workqueue+0xafb/0xef0 [ 390.644261][T11499] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 390.649979][T11499] ? __mutex_lock+0x21c/0x1300 [ 390.654760][T11499] ? nbd_ioctl+0x14f/0xa50 [ 390.659184][T11499] ? mutex_lock_io_nested+0x1160/0x1160 [ 390.664748][T11499] ? nbd_ioctl+0x2cd/0xa50 [ 390.669163][T11499] ? nbd_start_device+0x126/0xd50 [ 390.674194][T11499] nbd_start_device+0x174/0xd50 [ 390.679050][T11499] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 390.685318][T11499] nbd_ioctl+0x527/0xa50 [ 390.689564][T11499] ? vfs_fileattr_set+0xb50/0xb50 [ 390.694594][T11499] ? blk_ioctl_discard+0x2e0/0x2e0 [ 390.699708][T11499] ? nbd_release+0x1a0/0x1a0 [ 390.704306][T11499] ? lock_downgrade+0x6e0/0x6e0 [ 390.709165][T11499] ? nbd_release+0x1a0/0x1a0 [ 390.713759][T11499] blkdev_ioctl+0x2a1/0x6d0 [ 390.718261][T11499] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 390.723719][T11499] ? __fget_files+0x23d/0x3e0 [ 390.728410][T11499] block_ioctl+0xf9/0x140 [ 390.732736][T11499] ? bd_unlink_disk_holder+0x430/0x430 [ 390.738196][T11499] __x64_sys_ioctl+0x193/0x200 [ 390.742986][T11499] do_syscall_64+0x35/0xb0 [ 390.747401][T11499] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 390.753301][T11499] RIP: 0033:0x4665e9 [ 390.757196][T11499] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 390.776816][T11499] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 390.785232][T11499] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 390.793200][T11499] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 390.801171][T11499] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 390.809135][T11499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 390.817100][T11499] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 390.866631][T11511] block nbd2: shutting down sockets [ 390.906976][T11513] block nbd1: Device being setup by another task [ 390.913458][T11511] block nbd2: Device being setup by another task [ 390.913520][T11499] block nbd0: Could not allocate knbd recv work queue. [ 390.951111][T11508] block nbd3: shutting down sockets [ 390.956516][T11510] block nbd0: shutting down sockets [ 390.976924][T11511] block nbd2: Device being setup by another task [ 390.983453][T11513] block nbd1: shutting down sockets [ 390.986234][T11505] block nbd5: shutting down sockets 14:56:57 executing program 0 (fault-call:7 fault-nth:8): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 391.146780][T11509] block nbd1: Device being setup by another task [ 391.153499][T11509] block nbd1: shutting down sockets 14:56:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 391.288209][T11528] FAULT_INJECTION: forcing a failure. [ 391.288209][T11528] name failslab, interval 1, probability 0, space 0, times 0 [ 391.288323][T11530] block nbd5: shutting down sockets [ 391.317591][T11535] block nbd3: shutting down sockets [ 391.338862][T11528] CPU: 0 PID: 11528 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 391.348881][T11528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.358954][T11528] Call Trace: [ 391.362251][T11528] dump_stack_lvl+0xcd/0x134 [ 391.366866][T11528] should_fail.cold+0x5/0xa [ 391.369792][ T8881] block nbd4: Receive control failed (result -32) [ 391.371397][T11528] should_failslab+0x5/0x10 [ 391.371433][T11528] kmem_cache_alloc_node+0x65/0x3e0 [ 391.387754][T11528] ? alloc_unbound_pwq+0x4a5/0xcd0 [ 391.392874][T11528] alloc_unbound_pwq+0x4a5/0xcd0 [ 391.397819][T11528] apply_wqattrs_prepare+0x2b6/0x890 [ 391.403115][T11528] apply_workqueue_attrs_locked+0xc1/0x140 [ 391.408921][T11528] alloc_workqueue+0xafb/0xef0 [ 391.413694][T11528] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 391.419423][T11528] ? __mutex_lock+0x21c/0x1300 [ 391.424193][T11528] ? nbd_ioctl+0x14f/0xa50 [ 391.428619][T11528] ? mutex_lock_io_nested+0x1160/0x1160 [ 391.434166][T11528] ? nbd_ioctl+0x2cd/0xa50 [ 391.438600][T11528] ? nbd_start_device+0x126/0xd50 [ 391.443626][T11528] nbd_start_device+0x174/0xd50 [ 391.448481][T11528] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 391.454735][T11528] nbd_ioctl+0x527/0xa50 [ 391.458979][T11528] ? vfs_fileattr_set+0xb50/0xb50 [ 391.464010][T11528] ? blk_ioctl_discard+0x2e0/0x2e0 [ 391.469126][T11528] ? nbd_release+0x1a0/0x1a0 [ 391.473739][T11528] ? lock_downgrade+0x6e0/0x6e0 [ 391.478600][T11528] ? nbd_release+0x1a0/0x1a0 [ 391.483187][T11528] blkdev_ioctl+0x2a1/0x6d0 [ 391.487690][T11528] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 391.493150][T11528] ? __fget_files+0x23d/0x3e0 [ 391.497838][T11528] block_ioctl+0xf9/0x140 [ 391.502169][T11528] ? bd_unlink_disk_holder+0x430/0x430 [ 391.507629][T11528] __x64_sys_ioctl+0x193/0x200 [ 391.512401][T11528] do_syscall_64+0x35/0xb0 [ 391.516817][T11528] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 391.522717][T11528] RIP: 0033:0x4665e9 [ 391.526605][T11528] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 391.546224][T11528] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 391.554635][T11528] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 391.562601][T11528] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 391.570567][T11528] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 391.578534][T11528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 391.586498][T11528] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 [ 391.600054][T11507] block nbd4: shutting down sockets 14:56:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 391.637311][T11538] block nbd2: Device being setup by another task [ 391.644069][T11534] block nbd2: shutting down sockets [ 391.656634][T11540] block nbd5: Device being setup by another task [ 391.664505][T11528] block nbd0: Could not allocate knbd recv work queue. [ 391.665520][T11537] block nbd5: shutting down sockets 14:56:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 391.719649][T11536] block nbd0: shutting down sockets [ 391.731261][T11538] block nbd2: shutting down sockets 14:56:58 executing program 0 (fault-call:7 fault-nth:9): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:58 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 391.837972][T11543] block nbd1: shutting down sockets [ 391.949005][T11551] block nbd5: shutting down sockets [ 391.966775][T11543] block nbd1: Device being setup by another task [ 391.967786][T11554] block nbd2: shutting down sockets [ 391.974398][T11543] block nbd1: shutting down sockets [ 391.989373][T11556] FAULT_INJECTION: forcing a failure. [ 391.989373][T11556] name failslab, interval 1, probability 0, space 0, times 0 [ 392.029491][T11561] block nbd3: shutting down sockets [ 392.056476][T11562] block nbd5: Device being setup by another task [ 392.064071][T11560] block nbd5: shutting down sockets [ 392.082152][T11556] CPU: 1 PID: 11556 Comm: syz-executor.0 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 392.092178][T11556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.102253][T11556] Call Trace: [ 392.105547][T11556] dump_stack_lvl+0xcd/0x134 [ 392.110164][T11556] should_fail.cold+0x5/0xa [ 392.114697][T11556] ? alloc_worker+0x43/0x1c0 [ 392.120847][T11556] should_failslab+0x5/0x10 [ 392.125376][T11556] kmem_cache_alloc_node_trace+0x59/0x410 [ 392.131132][T11556] alloc_worker+0x43/0x1c0 [ 392.135577][T11556] init_rescuer+0x6d/0x1d0 [ 392.140016][T11556] alloc_workqueue+0xc1d/0xef0 [ 392.144813][T11556] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 392.150552][T11556] ? __mutex_lock+0x21c/0x1300 [ 392.155337][T11556] ? nbd_ioctl+0x14f/0xa50 [ 392.159776][T11556] ? mutex_lock_io_nested+0x1160/0x1160 [ 392.165340][T11556] ? nbd_ioctl+0x2cd/0xa50 [ 392.169785][T11556] ? nbd_start_device+0x126/0xd50 [ 392.174835][T11556] nbd_start_device+0x174/0xd50 [ 392.179703][T11556] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 392.185973][T11556] nbd_ioctl+0x527/0xa50 [ 392.190239][T11556] ? vfs_fileattr_set+0xb50/0xb50 [ 392.195287][T11556] ? blk_ioctl_discard+0x2e0/0x2e0 [ 392.200416][T11556] ? nbd_release+0x1a0/0x1a0 [ 392.205034][T11556] ? lock_downgrade+0x6e0/0x6e0 [ 392.209910][T11556] ? nbd_release+0x1a0/0x1a0 [ 392.214513][T11556] blkdev_ioctl+0x2a1/0x6d0 [ 392.219039][T11556] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 392.224520][T11556] ? __fget_files+0x23d/0x3e0 [ 392.229229][T11556] block_ioctl+0xf9/0x140 [ 392.233575][T11556] ? bd_unlink_disk_holder+0x430/0x430 [ 392.239052][T11556] __x64_sys_ioctl+0x193/0x200 [ 392.243841][T11556] do_syscall_64+0x35/0xb0 [ 392.248273][T11556] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 392.254188][T11556] RIP: 0033:0x4665e9 [ 392.258093][T11556] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 392.277718][T11556] RSP: 002b:00007f3645441188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 392.286158][T11556] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 392.294148][T11556] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 392.302136][T11556] RBP: 00007f36454411d0 R08: 0000000000000000 R09: 0000000000000000 [ 392.310124][T11556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 392.318122][T11556] R13: 00007ffed58aec4f R14: 00007f3645441300 R15: 0000000000022000 14:56:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 392.446680][T11569] block nbd2: Device being setup by another task [ 392.453106][T11565] block nbd2: shutting down sockets 14:56:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 392.647199][ T8881] block nbd4: Receive control failed (result -32) [ 392.647714][T11546] block nbd4: shutting down sockets [ 392.698243][T11575] block nbd5: shutting down sockets [ 392.727919][T11574] block nbd1: shutting down sockets [ 392.780607][T11584] block nbd3: shutting down sockets [ 392.787337][T11579] block nbd5: shutting down sockets [ 392.814215][T11556] block nbd0: Could not allocate knbd recv work queue. [ 392.821728][T11564] block nbd0: shutting down sockets [ 392.846619][T11586] block nbd1: Device being setup by another task [ 392.886573][T11574] block nbd1: Device being setup by another task 14:56:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:56:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 392.893301][T11574] block nbd1: shutting down sockets 14:56:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:56:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.048319][T11587] block nbd2: shutting down sockets [ 393.117008][T11590] block nbd3: shutting down sockets 14:57:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.219186][T11599] block nbd5: shutting down sockets [ 393.248476][T11602] block nbd0: shutting down sockets [ 393.256215][T11596] block nbd1: shutting down sockets 14:57:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.346602][T11604] block nbd5: Device being setup by another task [ 393.355575][T11611] block nbd5: shutting down sockets [ 393.367099][T11601] block nbd1: Device being setup by another task [ 393.396575][T11596] block nbd1: Device being setup by another task [ 393.398061][T11613] block nbd2: shutting down sockets [ 393.405343][T11596] block nbd1: shutting down sockets 14:57:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.487767][T11615] block nbd3: shutting down sockets [ 393.527894][T11617] block nbd2: shutting down sockets 14:57:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.558212][T11619] block nbd0: shutting down sockets 14:57:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.667485][T11621] block nbd0: shutting down sockets [ 393.688012][T11623] block nbd5: shutting down sockets 14:57:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 393.739374][T11624] block nbd1: shutting down sockets [ 393.760973][T11629] block nbd2: shutting down sockets [ 393.786477][T11630] block nbd5: Device being setup by another task [ 393.794570][T11634] block nbd3: shutting down sockets [ 393.795014][T11631] block nbd5: shutting down sockets [ 393.847946][T11635] block nbd0: shutting down sockets [ 393.886502][T11624] block nbd1: Device being setup by another task [ 393.895793][T11624] block nbd1: shutting down sockets [ 393.897315][T11636] block nbd2: shutting down sockets [ 393.907099][ T8881] block nbd4: Receive control failed (result -32) [ 393.916739][T11591] block nbd4: shutting down sockets [ 393.964459][T11639] block nbd0: shutting down sockets 14:57:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:57:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.268483][T11648] block nbd2: shutting down sockets [ 394.268749][T11655] block nbd5: shutting down sockets [ 394.302374][T11659] block nbd3: shutting down sockets [ 394.328388][T11652] block nbd0: shutting down sockets [ 394.376744][T11660] block nbd1: Device being setup by another task [ 394.383792][T11657] block nbd2: shutting down sockets [ 394.388526][T11655] block nbd5: shutting down sockets [ 394.392046][T11651] block nbd1: shutting down sockets 14:57:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.430308][T11661] block nbd0: shutting down sockets 14:57:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.500708][T11660] block nbd1: Device being setup by another task [ 394.536430][T11651] block nbd1: Device being setup by another task [ 394.544212][T11651] block nbd1: shutting down sockets [ 394.598345][T11665] block nbd2: shutting down sockets 14:57:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.687907][T11670] block nbd2: shutting down sockets 14:57:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.711282][T11677] block nbd3: shutting down sockets 14:57:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.757846][T11673] block nbd5: shutting down sockets [ 394.758035][T11675] block nbd0: shutting down sockets [ 394.866591][T11683] block nbd5: Device being setup by another task [ 394.874450][T11681] block nbd0: shutting down sockets [ 394.878858][T11679] block nbd5: shutting down sockets [ 394.880476][T11678] block nbd1: shutting down sockets 14:57:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 394.938090][T11685] block nbd2: shutting down sockets [ 394.986549][T11678] block nbd1: shutting down sockets [ 395.017316][T11689] block nbd2: shutting down sockets [ 395.023009][ T6594] block nbd4: Receive control failed (result -32) [ 395.032946][T11644] block nbd4: shutting down sockets [ 395.069196][T11692] block nbd3: shutting down sockets 14:57:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:57:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.237937][T11696] block nbd0: shutting down sockets [ 395.319572][T11700] block nbd5: shutting down sockets [ 395.337769][T11705] block nbd0: shutting down sockets [ 395.344517][T11704] block nbd2: shutting down sockets 14:57:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.367217][T11716] block nbd3: shutting down sockets [ 395.385317][T11717] block nbd1: shutting down sockets 14:57:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.416388][T11712] block nbd5: Device being setup by another task [ 395.424946][T11712] block nbd5: shutting down sockets [ 395.430753][T11714] block nbd2: Device being setup by another task [ 395.439306][T11714] block nbd2: shutting down sockets 14:57:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.536712][T11702] block nbd1: Device being setup by another task [ 395.546792][T11702] block nbd1: shutting down sockets 14:57:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.609377][T11720] block nbd0: shutting down sockets [ 395.671239][T11725] block nbd2: shutting down sockets [ 395.684955][T11732] block nbd3: shutting down sockets [ 395.712519][T11728] block nbd0: shutting down sockets [ 395.748051][T11730] block nbd5: shutting down sockets 14:57:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 395.807676][T11733] block nbd2: shutting down sockets [ 395.846542][T11735] block nbd5: Device being setup by another task [ 395.848238][T11734] block nbd1: shutting down sockets [ 395.855132][T11735] block nbd5: shutting down sockets [ 395.932662][T11746] block nbd3: shutting down sockets [ 396.016917][T11734] block nbd1: Device being setup by another task [ 396.025065][T11745] block nbd0: shutting down sockets [ 396.026090][T11734] block nbd1: shutting down sockets [ 396.042335][ T8881] block nbd4: Receive control failed (result -32) [ 396.051461][T11701] block nbd4: shutting down sockets [ 396.176975][T11749] block nbd0: Device being setup by another task [ 396.183824][T11747] block nbd0: shutting down sockets 14:57:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 14:57:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 396.369739][T11754] block nbd2: shutting down sockets [ 396.417454][T11759] block nbd5: shutting down sockets [ 396.417842][T11761] block nbd0: shutting down sockets [ 396.423478][T11766] block nbd3: shutting down sockets [ 396.468114][T11765] block nbd2: shutting down sockets [ 396.496953][T11767] block nbd1: Device being setup by another task [ 396.503679][T11756] block nbd1: shutting down sockets 14:57:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 396.557602][T11770] block nbd0: shutting down sockets [ 396.563302][T11771] block nbd5: Device being setup by another task [ 396.595755][T11768] block nbd5: shutting down sockets 14:57:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 396.636650][T11756] block nbd1: shutting down sockets 14:57:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 396.807530][T11774] block nbd3: shutting down sockets [ 396.838750][T11776] block nbd2: shutting down sockets 14:57:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 396.889125][T11779] block nbd0: shutting down sockets [ 396.947415][T11780] block nbd2: shutting down sockets [ 396.998146][T11783] block nbd0: shutting down sockets [ 397.003990][T11785] block nbd5: shutting down sockets [ 397.049486][T11787] block nbd3: shutting down sockets [ 397.056462][T11784] block nbd1: shutting down sockets [ 397.126604][T11790] block nbd5: Device being setup by another task [ 397.133990][T11789] block nbd5: shutting down sockets [ 397.154996][ T8881] block nbd4: Receive control failed (result -32) [ 397.165605][T11755] block nbd4: shutting down sockets [ 397.176475][T11784] block nbd1: shutting down sockets 14:57:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 14:57:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:57:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 397.418474][T11797] block nbd1: shutting down sockets [ 397.421712][T11800] block nbd0: shutting down sockets [ 397.437027][T11799] block nbd4: shutting down sockets [ 397.443950][T11801] block nbd2: shutting down sockets [ 397.448020][T11804] block nbd5: shutting down sockets 14:57:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 397.579159][T11811] block nbd5: shutting down sockets [ 397.584925][T11810] block nbd2: shutting down sockets [ 397.591511][T11812] block nbd0: shutting down sockets [ 397.616896][T11797] block nbd1: Device being setup by another task [ 397.625186][T11797] block nbd1: shutting down sockets 14:57:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 397.869103][T11818] block nbd0: shutting down sockets [ 397.907133][T11816] block nbd4: shutting down sockets [ 397.918316][T11823] block nbd2: shutting down sockets 14:57:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 397.968438][T11827] block nbd0: shutting down sockets [ 397.968873][T11825] block nbd5: shutting down sockets [ 397.980557][T11824] block nbd1: shutting down sockets [ 398.010304][T11829] block nbd2: shutting down sockets 14:57:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.088531][T11828] block nbd5: shutting down sockets [ 398.106543][T11824] block nbd1: Device being setup by another task [ 398.117388][T11824] block nbd1: shutting down sockets 14:57:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.144782][ T6594] block nbd3: Receive control failed (result -32) [ 398.145368][T11798] block nbd3: shutting down sockets 14:57:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 14:57:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.256777][T11831] block nbd4: shutting down sockets 14:57:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.330032][T11838] block nbd2: shutting down sockets [ 398.335512][T11839] block nbd5: shutting down sockets [ 398.377863][T11840] block nbd0: shutting down sockets [ 398.396724][T11844] block nbd5: shutting down sockets [ 398.427334][T11843] block nbd2: shutting down sockets [ 398.467220][T11846] block nbd0: shutting down sockets 14:57:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.487873][T11845] block nbd1: shutting down sockets 14:57:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 398.569236][T11857] block nbd4: shutting down sockets [ 398.596294][T11845] block nbd1: Device being setup by another task [ 398.602713][T11845] block nbd1: shutting down sockets 14:57:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:05 executing program 4 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 398.786511][T11863] block nbd5: Device being setup by another task [ 398.793145][T11861] block nbd5: shutting down sockets [ 398.809068][T11864] block nbd2: shutting down sockets [ 398.827826][T11866] block nbd0: shutting down sockets [ 398.868100][T11870] FAULT_INJECTION: forcing a failure. [ 398.868100][T11870] name failslab, interval 1, probability 0, space 0, times 0 [ 398.887455][T11863] block nbd5: shutting down sockets [ 398.893085][T11868] block nbd1: shutting down sockets [ 398.907511][T11871] block nbd2: shutting down sockets [ 398.926862][T11870] CPU: 0 PID: 11870 Comm: syz-executor.4 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 398.927222][T11872] block nbd0: shutting down sockets [ 398.936895][T11870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.936913][T11870] Call Trace: [ 398.936924][T11870] dump_stack_lvl+0xcd/0x134 [ 398.936961][T11870] should_fail.cold+0x5/0xa [ 398.936990][T11870] ? tomoyo_realpath_from_path+0xc3/0x620 [ 398.937015][T11870] should_failslab+0x5/0x10 [ 398.974798][T11870] __kmalloc+0x72/0x330 [ 398.978988][T11870] tomoyo_realpath_from_path+0xc3/0x620 [ 398.984580][T11870] ? tomoyo_profile+0x42/0x50 [ 398.989288][T11870] tomoyo_path_number_perm+0x1d5/0x590 [ 398.994764][T11870] ? tomoyo_path_number_perm+0x18d/0x590 [ 399.000414][T11870] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 399.006251][T11870] ? lock_downgrade+0x6e0/0x6e0 [ 399.011112][T11870] ? __fget_files+0x23d/0x3e0 [ 399.015814][T11870] security_file_ioctl+0x50/0xb0 [ 399.020758][T11870] __x64_sys_ioctl+0xb3/0x200 [ 399.025440][T11870] do_syscall_64+0x35/0xb0 [ 399.029857][T11870] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 399.035755][T11870] RIP: 0033:0x4665e9 [ 399.039646][T11870] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 399.059267][T11870] RSP: 002b:00007f37c5a12188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 399.067681][T11870] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 14:57:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 399.075651][T11870] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 399.083905][T11870] RBP: 00007f37c5a121d0 R08: 0000000000000000 R09: 0000000000000000 [ 399.091961][T11870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 399.099928][T11870] R13: 00007ffe4bdfa5cf R14: 00007f37c5a12300 R15: 0000000000022000 14:57:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 399.143150][T11870] ERROR: Out of memory at tomoyo_realpath_from_path. [ 399.157121][T11868] block nbd1: shutting down sockets 14:57:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 399.226577][ T9161] block nbd3: Receive control failed (result -32) [ 399.235533][ T8881] block nbd3: Receive control failed (result -32) [ 399.247153][T11842] block nbd3: shutting down sockets 14:57:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 399.417827][T11882] block nbd2: shutting down sockets [ 399.421323][T11886] block nbd5: shutting down sockets [ 399.468074][T11887] block nbd0: shutting down sockets [ 399.493816][T11885] block nbd1: shutting down sockets [ 399.538107][T11892] block nbd2: shutting down sockets 14:57:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 399.558658][T11885] block nbd1: shutting down sockets [ 399.583509][T11889] block nbd0: Device being setup by another task [ 399.596271][T11895] block nbd0: shutting down sockets [ 399.606004][ T9161] block nbd4: Receive control failed (result -32) [ 399.607781][T11870] block nbd4: shutting down sockets 14:57:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 14:57:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 399.877745][T11904] block nbd5: shutting down sockets [ 399.917912][T11909] block nbd2: shutting down sockets [ 399.939660][T11912] block nbd0: shutting down sockets [ 400.006478][T11919] block nbd1: Device being setup by another task [ 400.012944][T11913] block nbd1: shutting down sockets [ 400.026118][T11911] block nbd5: Device being setup by another task [ 400.032542][T11914] block nbd5: shutting down sockets [ 400.055986][T11918] block nbd0: shutting down sockets [ 400.066115][T11921] block nbd2: Device being setup by another task [ 400.072529][T11917] block nbd2: shutting down sockets 14:57:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 400.185059][T11913] block nbd1: Device being setup by another task [ 400.195106][T11913] block nbd1: shutting down sockets 14:57:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 400.339983][T11926] block nbd2: shutting down sockets [ 400.348887][T11928] block nbd5: shutting down sockets [ 400.354748][ T9161] block nbd3: Receive control failed (result -32) [ 400.363790][ T8881] block nbd3: Receive control failed (result -32) [ 400.370992][T11893] block nbd3: shutting down sockets [ 400.407261][T11935] block nbd0: shutting down sockets [ 400.506987][T11937] block nbd2: Device being setup by another task [ 400.515156][T11933] block nbd2: shutting down sockets [ 400.526362][T11938] block nbd5: Device being setup by another task [ 400.532838][T11939] block nbd1: Device being setup by another task [ 400.539562][T11940] block nbd0: Device being setup by another task [ 400.567472][T11934] block nbd5: shutting down sockets [ 400.585106][T11932] block nbd1: shutting down sockets 14:57:07 executing program 3 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 400.634086][T11935] block nbd0: shutting down sockets [ 400.644326][ T6594] block nbd4: Receive control failed (result -32) [ 400.644357][ T9160] block nbd4: Receive control failed (result -32) [ 400.659477][T11905] block nbd4: shutting down sockets 14:57:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) [ 400.736333][T11932] block nbd1: Device being setup by another task [ 400.742758][T11932] block nbd1: shutting down sockets 14:57:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 400.787691][T11943] FAULT_INJECTION: forcing a failure. [ 400.787691][T11943] name failslab, interval 1, probability 0, space 0, times 0 [ 400.851401][T11943] CPU: 1 PID: 11943 Comm: syz-executor.3 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 400.855864][T11947] block nbd3: shutting down sockets [ 400.861417][T11943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.861437][T11943] Call Trace: [ 400.861448][T11943] dump_stack_lvl+0xcd/0x134 [ 400.861487][T11943] should_fail.cold+0x5/0xa [ 400.861516][T11943] ? tomoyo_realpath_from_path+0xc3/0x620 [ 400.861544][T11943] should_failslab+0x5/0x10 [ 400.861574][T11943] __kmalloc+0x72/0x330 [ 400.861606][T11943] tomoyo_realpath_from_path+0xc3/0x620 [ 400.861636][T11943] ? tomoyo_profile+0x42/0x50 [ 400.913759][T11943] tomoyo_path_number_perm+0x1d5/0x590 [ 400.919241][T11943] ? tomoyo_path_number_perm+0x18d/0x590 [ 400.924911][T11943] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 400.930769][T11943] ? lock_downgrade+0x6e0/0x6e0 [ 400.935651][T11943] ? __fget_files+0x23d/0x3e0 [ 400.940358][T11943] security_file_ioctl+0x50/0xb0 [ 400.945324][T11943] __x64_sys_ioctl+0xb3/0x200 [ 400.950028][T11943] do_syscall_64+0x35/0xb0 [ 400.954460][T11943] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 400.960375][T11943] RIP: 0033:0x4665e9 [ 400.964280][T11943] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 400.983907][T11943] RSP: 002b:00007f49c540a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 400.992344][T11943] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 401.000327][T11943] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 401.008311][T11943] RBP: 00007f49c540a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 401.016292][T11943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 401.024273][T11943] R13: 00007ffeeabbac3f R14: 00007f49c540a300 R15: 0000000000022000 14:57:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.046158][T11943] ERROR: Out of memory at tomoyo_realpath_from_path. [ 401.118097][T11948] block nbd2: shutting down sockets [ 401.138029][T11954] block nbd5: Device being setup by another task [ 401.144639][T11956] block nbd0: Device being setup by another task [ 401.151229][T11950] block nbd4: Device being setup by another task [ 401.157788][T11957] block nbd5: shutting down sockets 14:57:08 executing program 3 (fault-call:7 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.165339][T11944] block nbd4: shutting down sockets [ 401.170771][T11958] block nbd0: shutting down sockets [ 401.237148][T11956] block nbd0: shutting down sockets [ 401.243273][T11954] block nbd5: shutting down sockets [ 401.246826][T11964] block nbd2: Device being setup by another task [ 401.249616][T11950] block nbd4: shutting down sockets [ 401.255235][T11962] block nbd2: shutting down sockets 14:57:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.338847][T11965] block nbd1: shutting down sockets 14:57:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) 14:57:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.476170][T11973] block nbd1: Device being setup by another task [ 401.479938][T11969] FAULT_INJECTION: forcing a failure. [ 401.479938][T11969] name failslab, interval 1, probability 0, space 0, times 0 [ 401.482937][T11973] block nbd1: shutting down sockets [ 401.496113][T11971] block nbd0: shutting down sockets [ 401.534227][T11979] block nbd3: shutting down sockets [ 401.567916][T11969] CPU: 0 PID: 11969 Comm: syz-executor.3 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 401.577949][T11969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.588023][T11969] Call Trace: [ 401.591313][T11969] dump_stack_lvl+0xcd/0x134 [ 401.595936][T11969] should_fail.cold+0x5/0xa [ 401.600468][T11969] ? tomoyo_encode2.part.0+0xe9/0x3a0 [ 401.605858][T11969] should_failslab+0x5/0x10 [ 401.610387][T11969] __kmalloc+0x72/0x330 [ 401.614574][T11969] tomoyo_encode2.part.0+0xe9/0x3a0 [ 401.619801][T11969] tomoyo_encode+0x28/0x50 [ 401.624240][T11969] tomoyo_realpath_from_path+0x186/0x620 [ 401.629901][T11969] tomoyo_path_number_perm+0x1d5/0x590 [ 401.635382][T11969] ? tomoyo_path_number_perm+0x18d/0x590 [ 401.641042][T11969] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 401.646903][T11969] ? lock_downgrade+0x6e0/0x6e0 [ 401.651788][T11969] ? __fget_files+0x23d/0x3e0 [ 401.656500][T11969] security_file_ioctl+0x50/0xb0 [ 401.661465][T11969] __x64_sys_ioctl+0xb3/0x200 [ 401.666171][T11969] do_syscall_64+0x35/0xb0 [ 401.670616][T11969] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 401.676518][T11969] RIP: 0033:0x4665e9 [ 401.680410][T11969] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 401.700016][T11969] RSP: 002b:00007f49c540a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 401.708428][T11969] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 14:57:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.716396][T11969] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 401.724366][T11969] RBP: 00007f49c540a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 401.732333][T11969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 401.740315][T11969] R13: 00007ffeeabbac3f R14: 00007f49c540a300 R15: 0000000000022000 [ 401.756242][T11980] block nbd5: shutting down sockets [ 401.817124][T11984] block nbd4: Device being setup by another task [ 401.825213][T11977] block nbd4: shutting down sockets [ 401.826208][T11986] block nbd0: Device being setup by another task [ 401.854257][T11978] block nbd0: shutting down sockets [ 401.859987][T11981] block nbd2: Device being setup by another task [ 401.878015][T11980] block nbd5: shutting down sockets [ 401.883747][T11983] block nbd2: shutting down sockets [ 401.896152][T11984] block nbd4: Device being setup by another task [ 401.904306][T11977] block nbd4: shutting down sockets 14:57:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 401.966477][T11983] block nbd2: shutting down sockets 14:57:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) [ 402.035737][T11969] ERROR: Out of memory at tomoyo_realpath_from_path. [ 402.059104][T11990] block nbd1: shutting down sockets 14:57:09 executing program 3 (fault-call:7 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 402.169603][T11995] block nbd0: shutting down sockets [ 402.206313][T11990] block nbd1: Device being setup by another task [ 402.213926][T11990] block nbd1: shutting down sockets [ 402.238110][T11998] block nbd2: shutting down sockets [ 402.248192][T11999] block nbd5: shutting down sockets [ 402.269130][T12005] block nbd0: Device being setup by another task [ 402.276553][T12002] block nbd0: shutting down sockets 14:57:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4b64) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 402.327909][T12000] block nbd4: shutting down sockets [ 402.346443][T12007] block nbd5: Device being setup by another task [ 402.347518][T12006] block nbd2: shutting down sockets [ 402.357033][T12007] block nbd5: shutting down sockets [ 402.407798][T12008] FAULT_INJECTION: forcing a failure. [ 402.407798][T12008] name failslab, interval 1, probability 0, space 0, times 0 [ 402.460158][T12008] CPU: 0 PID: 12008 Comm: syz-executor.3 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 402.470185][T12008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.480256][T12008] Call Trace: [ 402.483546][T12008] dump_stack_lvl+0xcd/0x134 [ 402.488172][T12008] should_fail.cold+0x5/0xa [ 402.492702][T12008] ? alloc_workqueue+0x16d/0xef0 [ 402.497655][T12008] should_failslab+0x5/0x10 [ 402.502181][T12008] __kmalloc+0x72/0x330 [ 402.506369][T12008] alloc_workqueue+0x16d/0xef0 [ 402.511510][T12008] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 402.517245][T12008] ? __mutex_lock+0x21c/0x1300 [ 402.522035][T12008] ? nbd_ioctl+0x14f/0xa50 [ 402.526474][T12008] ? mutex_lock_io_nested+0x1160/0x1160 [ 402.532035][T12008] ? nbd_ioctl+0x2cd/0xa50 [ 402.536479][T12008] ? nbd_start_device+0x126/0xd50 [ 402.541524][T12008] nbd_start_device+0x174/0xd50 [ 402.546399][T12008] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 402.552669][T12008] nbd_ioctl+0x527/0xa50 [ 402.556935][T12008] ? vfs_fileattr_set+0xb50/0xb50 [ 402.561982][T12008] ? blk_ioctl_discard+0x2e0/0x2e0 [ 402.567118][T12008] ? nbd_release+0x1a0/0x1a0 [ 402.571734][T12008] ? lock_downgrade+0x6e0/0x6e0 [ 402.576600][T12008] ? nbd_release+0x1a0/0x1a0 [ 402.581216][T12008] blkdev_ioctl+0x2a1/0x6d0 [ 402.585728][T12008] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 402.591194][T12008] ? __fget_files+0x23d/0x3e0 [ 402.595884][T12008] block_ioctl+0xf9/0x140 [ 402.600217][T12008] ? bd_unlink_disk_holder+0x430/0x430 [ 402.605679][T12008] __x64_sys_ioctl+0x193/0x200 [ 402.610453][T12008] do_syscall_64+0x35/0xb0 [ 402.614870][T12008] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 402.620772][T12008] RIP: 0033:0x4665e9 [ 402.624681][T12008] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 402.644290][T12008] RSP: 002b:00007f49c540a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 402.652704][T12008] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 14:57:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 402.660672][T12008] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 402.668637][T12008] RBP: 00007f49c540a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 402.676602][T12008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 402.684566][T12008] R13: 00007ffeeabbac3f R14: 00007f49c540a300 R15: 0000000000022000 [ 402.726077][T12009] block nbd4: Device being setup by another task [ 402.732563][T12009] block nbd4: shutting down sockets [ 402.766198][T12018] block nbd0: Device being setup by another task [ 402.773436][T12014] block nbd0: shutting down sockets [ 402.786136][T12019] block nbd1: Device being setup by another task 14:57:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) [ 402.818457][T12015] block nbd1: shutting down sockets [ 402.863716][T12020] block nbd5: shutting down sockets [ 402.876270][T12016] block nbd0: Device being setup by another task [ 402.884235][T12018] block nbd0: shutting down sockets [ 402.915985][T12019] block nbd1: Device being setup by another task [ 402.917675][T12023] block nbd2: shutting down sockets [ 402.946047][T12015] block nbd1: Device being setup by another task [ 402.952571][T12015] block nbd1: shutting down sockets [ 402.967121][T12025] block nbd5: shutting down sockets 14:57:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.007336][T12027] block nbd2: shutting down sockets 14:57:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.118262][T12026] block nbd4: shutting down sockets [ 403.209879][T12008] block nbd3: Could not allocate knbd recv work queue. [ 403.217174][T12012] block nbd3: shutting down sockets [ 403.248938][T12034] block nbd0: shutting down sockets 14:57:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.267954][T12026] block nbd4: shutting down sockets 14:57:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) [ 403.307681][T12038] block nbd5: shutting down sockets [ 403.314179][T12037] block nbd2: shutting down sockets [ 403.327844][T12036] block nbd1: shutting down sockets [ 403.347845][T12039] block nbd0: shutting down sockets [ 403.397190][T12040] block nbd5: shutting down sockets 14:57:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.417392][T12041] block nbd2: shutting down sockets 14:57:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.456385][T12036] block nbd1: Device being setup by another task [ 403.466434][T12036] block nbd1: shutting down sockets 14:57:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.589459][T12045] block nbd3: shutting down sockets [ 403.626487][T12046] block nbd4: shutting down sockets 14:57:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.707973][T12055] block nbd2: shutting down sockets [ 403.708887][T12052] block nbd0: shutting down sockets [ 403.731694][T12057] block nbd5: shutting down sockets [ 403.736027][T12056] block nbd4: Device being setup by another task [ 403.743565][T12046] block nbd4: shutting down sockets 14:57:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) [ 403.797715][T12060] block nbd1: shutting down sockets [ 403.807156][T12062] block nbd5: shutting down sockets 14:57:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.851335][T12063] block nbd0: shutting down sockets [ 403.866254][T12067] block nbd2: Device being setup by another task [ 403.876309][T12066] block nbd3: shutting down sockets [ 403.882948][T12061] block nbd2: shutting down sockets [ 403.927299][T12069] block nbd1: Device being setup by another task [ 403.936429][T12069] block nbd1: shutting down sockets 14:57:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 403.977351][T12071] block nbd3: shutting down sockets 14:57:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x2405) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.005994][T12070] block nbd4: shutting down sockets [ 404.027687][T12075] block nbd5: shutting down sockets 14:57:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.085996][T12077] block nbd4: Device being setup by another task [ 404.095174][T12070] block nbd4: shutting down sockets [ 404.107416][T12076] block nbd5: shutting down sockets [ 404.137800][T12080] block nbd0: shutting down sockets 14:57:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) [ 404.228510][T12083] block nbd2: shutting down sockets [ 404.237023][T12085] block nbd0: shutting down sockets [ 404.278028][T12086] block nbd3: shutting down sockets [ 404.279773][T12082] block nbd1: shutting down sockets 14:57:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.326971][T12087] block nbd2: shutting down sockets 14:57:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4142) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.376478][T12092] block nbd3: Device being setup by another task [ 404.382956][T12090] block nbd1: Device being setup by another task [ 404.390215][T12093] block nbd3: shutting down sockets [ 404.408013][T12088] block nbd4: shutting down sockets [ 404.417595][T12096] block nbd5: shutting down sockets [ 404.436290][T12082] block nbd1: Device being setup by another task [ 404.442790][T12082] block nbd1: shutting down sockets 14:57:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.566102][T12102] block nbd5: Device being setup by another task [ 404.574983][T12098] block nbd5: shutting down sockets 14:57:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.636048][T12104] block nbd4: Device being setup by another task [ 404.637457][T12106] block nbd0: shutting down sockets [ 404.643660][T12104] block nbd4: shutting down sockets 14:57:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.697616][T12105] block nbd2: shutting down sockets 14:57:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) [ 404.821237][T12114] block nbd0: shutting down sockets [ 404.822874][T12113] block nbd2: shutting down sockets 14:57:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.876048][T12115] block nbd3: Device being setup by another task [ 404.883923][T12110] block nbd3: shutting down sockets 14:57:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 404.918047][T12116] block nbd5: shutting down sockets [ 404.938080][T12111] block nbd1: shutting down sockets [ 404.967555][T12115] block nbd3: shutting down sockets [ 405.007144][T12120] block nbd5: shutting down sockets [ 405.007546][T12118] block nbd4: shutting down sockets 14:57:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.067654][T12123] block nbd0: shutting down sockets [ 405.076797][T12111] block nbd1: Device being setup by another task [ 405.087775][T12111] block nbd1: shutting down sockets [ 405.156755][T12128] block nbd4: Device being setup by another task [ 405.164680][T12118] block nbd4: shutting down sockets [ 405.196013][T12129] block nbd0: Device being setup by another task 14:57:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.204157][T12126] block nbd2: shutting down sockets [ 405.206069][T12127] block nbd0: shutting down sockets 14:57:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) 14:57:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.306025][T12136] block nbd2: Device being setup by another task [ 405.320383][T12133] block nbd2: shutting down sockets [ 405.327785][T12132] block nbd3: shutting down sockets [ 405.347826][T12134] block nbd5: shutting down sockets 14:57:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.426546][T12137] block nbd3: Device being setup by another task [ 405.439073][T12137] block nbd3: shutting down sockets [ 405.446901][T12142] block nbd5: shutting down sockets [ 405.467612][T12139] block nbd1: shutting down sockets 14:57:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5411) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.487500][T12140] block nbd4: shutting down sockets [ 405.528275][T12145] block nbd0: shutting down sockets 14:57:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.597407][T12139] block nbd1: shutting down sockets [ 405.606046][T12151] block nbd4: Device being setup by another task [ 405.612681][T12140] block nbd4: shutting down sockets [ 405.645896][T12155] block nbd0: Device being setup by another task [ 405.654671][T12149] block nbd0: shutting down sockets 14:57:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.687554][T12152] block nbd2: shutting down sockets 14:57:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) 14:57:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.736066][T12158] block nbd5: shutting down sockets [ 405.786821][T12160] block nbd2: shutting down sockets 14:57:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.837232][T12158] block nbd5: shutting down sockets [ 405.837749][T12161] block nbd3: shutting down sockets 14:57:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 405.938079][T12163] block nbd4: shutting down sockets [ 406.005927][T12171] block nbd3: Device being setup by another task [ 406.012535][T12175] block nbd1: shutting down sockets [ 406.020350][T12167] block nbd0: shutting down sockets [ 406.028658][T12168] block nbd3: shutting down sockets 14:57:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.096200][T12177] block nbd4: Device being setup by another task [ 406.098172][T12176] block nbd5: shutting down sockets [ 406.106464][T12177] block nbd4: shutting down sockets [ 406.108623][T12173] block nbd2: shutting down sockets 14:57:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) [ 406.166088][T12172] block nbd0: Device being setup by another task [ 406.172831][T12164] block nbd1: shutting down sockets [ 406.184071][T12179] block nbd0: shutting down sockets 14:57:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.226291][T12185] block nbd5: Device being setup by another task [ 406.235613][T12180] block nbd5: shutting down sockets 14:57:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.338196][T12186] block nbd3: shutting down sockets 14:57:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.390575][T12187] block nbd4: shutting down sockets [ 406.447763][T12190] block nbd3: shutting down sockets 14:57:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.488468][T12194] block nbd2: shutting down sockets [ 406.506151][T12197] block nbd4: Device being setup by another task [ 406.508150][T12195] block nbd0: shutting down sockets [ 406.521777][T12197] block nbd4: shutting down sockets [ 406.603032][T12199] block nbd5: shutting down sockets [ 406.616840][T12202] block nbd1: Device being setup by another task [ 406.623484][T12196] block nbd1: shutting down sockets 14:57:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) [ 406.686173][T12206] block nbd2: Device being setup by another task [ 406.687006][T12203] block nbd5: shutting down sockets [ 406.695727][T12201] block nbd2: shutting down sockets [ 406.698839][T12204] block nbd0: shutting down sockets [ 406.725973][T12196] block nbd1: shutting down sockets 14:57:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5423) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.818749][T12208] block nbd3: shutting down sockets 14:57:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5423) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.926884][T12213] block nbd3: Device being setup by another task [ 406.934188][T12209] block nbd3: shutting down sockets [ 406.948229][T12211] block nbd4: shutting down sockets 14:57:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 406.988789][T12214] block nbd2: shutting down sockets [ 407.036948][T12222] block nbd4: Device being setup by another task [ 407.045218][T12211] block nbd4: shutting down sockets [ 407.077390][T12221] block nbd5: shutting down sockets [ 407.078243][T12219] block nbd1: shutting down sockets [ 407.097099][T12223] block nbd2: shutting down sockets [ 407.097658][T12220] block nbd0: shutting down sockets 14:57:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) 14:57:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.166564][T12225] block nbd5: shutting down sockets 14:57:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.227311][T12229] block nbd0: shutting down sockets [ 407.233524][T12227] block nbd3: shutting down sockets [ 407.246025][T12219] block nbd1: Device being setup by another task [ 407.253924][T12219] block nbd1: shutting down sockets 14:57:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.317948][T12231] block nbd4: shutting down sockets 14:57:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.356338][T12235] block nbd3: Device being setup by another task [ 407.366705][T12233] block nbd3: shutting down sockets 14:57:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.427532][T12238] block nbd4: Device being setup by another task [ 407.427853][T12236] block nbd2: shutting down sockets [ 407.434425][T12231] block nbd4: shutting down sockets 14:57:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) [ 407.527621][T12241] block nbd5: shutting down sockets [ 407.547410][T12243] block nbd0: shutting down sockets [ 407.566948][T12244] block nbd2: shutting down sockets [ 407.606155][T12248] block nbd0: shutting down sockets 14:57:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.627336][T12246] block nbd5: shutting down sockets [ 407.627732][T12245] block nbd1: shutting down sockets 14:57:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.693677][T12250] block nbd3: shutting down sockets [ 407.747188][T12254] block nbd3: shutting down sockets [ 407.753150][T12251] block nbd4: shutting down sockets 14:57:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.795947][T12245] block nbd1: Device being setup by another task [ 407.802738][T12245] block nbd1: shutting down sockets [ 407.818290][T12258] block nbd2: shutting down sockets 14:57:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 407.884119][T12261] block nbd4: Device being setup by another task [ 407.897074][T12261] block nbd4: shutting down sockets [ 407.926937][T12263] block nbd2: shutting down sockets [ 407.946093][T12266] block nbd5: Device being setup by another task [ 407.947812][T12264] block nbd0: shutting down sockets [ 407.952899][T12262] block nbd5: shutting down sockets 14:57:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) [ 407.999332][T12267] block nbd3: shutting down sockets [ 408.046877][T12266] block nbd5: shutting down sockets 14:57:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.067193][T12269] block nbd0: shutting down sockets 14:57:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.108665][T12270] block nbd3: shutting down sockets 14:57:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.178698][T12272] block nbd4: shutting down sockets 14:57:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.247476][T12276] block nbd2: shutting down sockets [ 408.272545][T12274] block nbd1: shutting down sockets [ 408.338503][T12282] block nbd4: Device being setup by another task [ 408.347655][T12282] block nbd4: shutting down sockets [ 408.348837][T12281] block nbd2: shutting down sockets [ 408.370356][T12283] block nbd5: shutting down sockets [ 408.385875][T12274] block nbd1: Device being setup by another task [ 408.413904][T12274] block nbd1: shutting down sockets [ 408.477730][T12286] block nbd0: shutting down sockets [ 408.507057][T12288] block nbd5: shutting down sockets [ 408.527617][T12289] block nbd3: shutting down sockets 14:57:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) 14:57:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.576990][T12291] block nbd3: Device being setup by another task [ 408.585857][T12287] block nbd0: Device being setup by another task [ 408.593269][T12287] block nbd0: shutting down sockets 14:57:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.676064][T12292] block nbd3: Device being setup by another task 14:57:15 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 408.788888][T12293] block nbd4: shutting down sockets [ 408.796719][T12296] block nbd2: shutting down sockets [ 408.896092][T12303] block nbd4: Device being setup by another task [ 408.905236][T12301] block nbd2: shutting down sockets [ 408.912084][T12298] block nbd1: shutting down sockets [ 408.925840][T12303] block nbd4: shutting down sockets [ 408.957460][T12304] block nbd5: shutting down sockets [ 408.957619][T12305] block nbd3: shutting down sockets [ 409.017834][T12307] block nbd0: shutting down sockets 14:57:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 409.056435][T12298] block nbd1: Device being setup by another task [ 409.058025][T12309] block nbd5: shutting down sockets [ 409.062853][T12298] block nbd1: shutting down sockets [ 409.075956][T12312] block nbd3: Device being setup by another task 14:57:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) [ 409.146086][T12311] block nbd3: Device being setup by another task 14:57:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 409.206050][T12314] block nbd0: Device being setup by another task [ 409.229021][T12313] block nbd0: shutting down sockets 14:57:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 409.317770][T12316] block nbd2: shutting down sockets [ 409.476134][T12328] block nbd2: Device being setup by another task [ 409.482889][T12321] block nbd2: shutting down sockets [ 409.489919][T12318] block nbd4: shutting down sockets 14:57:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8912) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 409.545992][T12325] block nbd5: Device being setup by another task [ 409.552421][T12329] block nbd5: shutting down sockets [ 409.557841][T12327] block nbd1: shutting down sockets [ 409.588058][T12332] block nbd0: shutting down sockets [ 409.606682][T12318] block nbd4: shutting down sockets [ 409.617310][T12329] block nbd5: shutting down sockets [ 409.617857][T12331] block nbd3: shutting down sockets [ 409.676313][T12322] block nbd1: shutting down sockets 14:57:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) [ 409.706839][T12336] block nbd0: shutting down sockets [ 409.739002][T12333] block nbd3: shutting down sockets [ 409.745011][T12337] block nbd2: shutting down sockets [ 409.856815][T12341] block nbd2: shutting down sockets [ 409.897760][T12342] block nbd4: shutting down sockets 14:57:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5501) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x89f1) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 409.947808][T12345] block nbd5: shutting down sockets [ 410.015837][T12348] block nbd4: Device being setup by another task [ 410.022259][T12348] block nbd4: shutting down sockets [ 410.046231][T12347] block nbd5: shutting down sockets 14:57:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) [ 410.167651][T12355] block nbd2: shutting down sockets [ 410.199296][T12356] block nbd0: shutting down sockets [ 410.204853][T12353] block nbd1: shutting down sockets [ 410.238670][T12359] block nbd2: shutting down sockets [ 410.265687][T12361] block nbd3: Device being setup by another task [ 410.285015][T12358] block nbd3: shutting down sockets 14:57:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 410.315950][T12366] block nbd1: Device being setup by another task [ 410.336954][T12368] block nbd0: Device being setup by another task [ 410.343370][T12363] block nbd0: shutting down sockets [ 410.355848][T12353] block nbd1: Device being setup by another task [ 410.362286][T12353] block nbd1: shutting down sockets [ 410.379019][T12361] block nbd3: Device being setup by another task [ 410.387457][T12361] block nbd3: shutting down sockets [ 410.408870][T12371] block nbd4: shutting down sockets [ 410.417711][T12370] block nbd5: shutting down sockets 14:57:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 410.536913][T12373] block nbd5: shutting down sockets [ 410.542336][T12375] block nbd4: Device being setup by another task [ 410.561453][T12375] block nbd4: shutting down sockets [ 410.587240][T12376] block nbd2: shutting down sockets 14:57:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) [ 410.689019][T12381] block nbd2: shutting down sockets [ 410.708253][T12382] block nbd0: shutting down sockets 14:57:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 410.747644][T12384] block nbd3: shutting down sockets [ 410.766671][T12383] block nbd1: shutting down sockets 14:57:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8912) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 410.857824][T12390] block nbd3: shutting down sockets [ 410.865694][T12392] block nbd5: shutting down sockets [ 410.895778][T12383] block nbd1: Device being setup by another task [ 410.903803][T12389] block nbd4: shutting down sockets [ 410.919521][T12383] block nbd1: shutting down sockets [ 410.947022][T12396] block nbd5: shutting down sockets 14:57:17 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 410.953896][T12395] block nbd2: shutting down sockets 14:57:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 411.025881][T12401] block nbd4: Device being setup by another task [ 411.033890][T12401] block nbd4: shutting down sockets [ 411.077131][T12400] block nbd2: shutting down sockets [ 411.097674][T12402] block nbd0: shutting down sockets 14:57:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x89a1) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) [ 411.206526][T12411] block nbd0: shutting down sockets 14:57:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 411.228794][T12405] block nbd3: shutting down sockets [ 411.288440][T12412] block nbd5: shutting down sockets [ 411.294015][T12413] block nbd2: shutting down sockets [ 411.307924][T12409] block nbd1: shutting down sockets [ 411.316767][T12414] block nbd3: shutting down sockets 14:57:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 411.367811][T12415] block nbd4: shutting down sockets [ 411.435869][T12422] block nbd5: Device being setup by another task [ 411.436642][T12409] block nbd1: Device being setup by another task [ 411.449240][T12417] block nbd5: shutting down sockets [ 411.450393][T12418] block nbd2: shutting down sockets [ 411.485404][T12419] block nbd1: shutting down sockets [ 411.498937][T12424] block nbd0: shutting down sockets [ 411.515886][T12425] block nbd4: Device being setup by another task [ 411.522584][T12425] block nbd4: shutting down sockets 14:57:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 411.625808][T12429] block nbd0: Device being setup by another task [ 411.627110][T12428] block nbd3: shutting down sockets [ 411.633437][T12427] block nbd0: shutting down sockets 14:57:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) 14:57:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 411.766104][T12437] block nbd3: Device being setup by another task [ 411.775101][T12433] block nbd3: shutting down sockets [ 411.820268][T12436] block nbd2: shutting down sockets [ 411.827176][T12435] block nbd1: shutting down sockets [ 411.832791][T12439] block nbd0: shutting down sockets [ 411.847673][T12440] block nbd5: shutting down sockets [ 411.898448][T12441] block nbd4: shutting down sockets [ 411.947744][T12446] block nbd5: shutting down sockets [ 411.953524][T12443] block nbd2: shutting down sockets [ 411.965166][T12451] block nbd0: shutting down sockets [ 411.985905][T12435] block nbd1: Device being setup by another task [ 412.004126][T12435] block nbd1: shutting down sockets [ 412.011358][T12448] block nbd3: shutting down sockets [ 412.026179][T12441] block nbd4: shutting down sockets 14:57:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) [ 412.179597][T12458] block nbd3: shutting down sockets 14:57:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 412.267561][T12455] block nbd2: shutting down sockets [ 412.267711][T12456] block nbd5: shutting down sockets [ 412.287242][T12460] block nbd0: shutting down sockets [ 412.366908][T12466] block nbd0: shutting down sockets [ 412.367336][T12462] block nbd4: shutting down sockets [ 412.372967][T12464] block nbd2: shutting down sockets [ 412.386111][T12463] block nbd1: shutting down sockets [ 412.387120][T12468] block nbd5: shutting down sockets 14:57:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 412.467672][T12470] block nbd3: shutting down sockets [ 412.486076][T12473] block nbd4: Device being setup by another task [ 412.493595][T12473] block nbd4: shutting down sockets 14:57:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) [ 412.645668][T12475] block nbd3: Device being setup by another task [ 412.653473][T12474] block nbd3: shutting down sockets 14:57:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 412.717024][T12479] block nbd5: shutting down sockets [ 412.724115][T12481] block nbd0: shutting down sockets [ 412.730055][T12482] block nbd2: shutting down sockets [ 412.767256][T12483] block nbd1: shutting down sockets [ 412.767280][T12484] block nbd4: shutting down sockets [ 412.849404][T12494] block nbd5: shutting down sockets [ 412.850360][T12493] block nbd0: shutting down sockets [ 412.864673][T12495] block nbd2: shutting down sockets [ 412.885857][T12496] block nbd4: Device being setup by another task [ 412.887338][T12492] block nbd3: shutting down sockets [ 412.894940][T12484] block nbd4: shutting down sockets [ 412.905877][T12483] block nbd1: Device being setup by another task [ 412.924135][T12483] block nbd1: shutting down sockets 14:57:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) [ 413.027389][T12498] block nbd3: shutting down sockets 14:57:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:19 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.177030][T12503] block nbd2: shutting down sockets [ 413.197164][T12504] block nbd0: shutting down sockets [ 413.248818][T12506] block nbd5: shutting down sockets [ 413.290923][T12510] block nbd2: shutting down sockets [ 413.292866][T12511] block nbd0: shutting down sockets [ 413.302270][T12505] block nbd4: shutting down sockets [ 413.303670][T12512] block nbd3: shutting down sockets [ 413.337439][T12513] block nbd1: shutting down sockets 14:57:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.366911][T12516] block nbd5: shutting down sockets 14:57:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.446430][T12505] block nbd4: shutting down sockets 14:57:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.469212][T12519] block nbd3: shutting down sockets 14:57:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) [ 413.506619][T12513] block nbd1: Device being setup by another task [ 413.516131][T12513] block nbd1: shutting down sockets 14:57:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.606982][T12523] block nbd0: shutting down sockets [ 413.607736][T12522] block nbd2: shutting down sockets 14:57:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.708483][T12525] block nbd5: shutting down sockets [ 413.745680][T12533] block nbd0: Device being setup by another task [ 413.753585][T12526] block nbd0: shutting down sockets [ 413.777079][T12534] block nbd3: shutting down sockets [ 413.826990][T12535] block nbd5: shutting down sockets 14:57:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 413.907175][T12527] block nbd4: shutting down sockets [ 413.937096][T12543] block nbd2: Device being setup by another task [ 413.944284][T12541] block nbd2: shutting down sockets [ 413.975821][T12545] block nbd3: Device being setup by another task [ 413.982589][T12542] block nbd3: shutting down sockets 14:57:20 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.026620][T12544] block nbd4: Device being setup by another task [ 414.035356][T12539] block nbd1: shutting down sockets [ 414.041958][T12544] block nbd4: shutting down sockets [ 414.055800][T12551] block nbd2: Device being setup by another task [ 414.062368][T12543] block nbd2: shutting down sockets [ 414.105712][T12552] block nbd0: Device being setup by another task [ 414.107531][T12550] block nbd5: shutting down sockets [ 414.112126][T12548] block nbd0: shutting down sockets 14:57:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) [ 414.175731][T12546] block nbd1: Device being setup by another task [ 414.215625][T12539] block nbd1: Device being setup by another task 14:57:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.224524][T12539] block nbd1: shutting down sockets [ 414.227480][T12557] block nbd3: shutting down sockets [ 414.246018][T12548] block nbd0: shutting down sockets [ 414.246610][T12553] block nbd5: shutting down sockets [ 414.317471][T12560] block nbd3: shutting down sockets 14:57:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.381588][T12561] block nbd2: shutting down sockets 14:57:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.448014][T12562] block nbd4: shutting down sockets [ 414.486921][T12564] block nbd2: shutting down sockets [ 414.506560][T12568] block nbd5: NBD_DISCONNECT [ 414.512316][T12568] block nbd5: Disconnected due to user request. [ 414.536201][T12568] block nbd5: shutting down sockets 14:57:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.575933][T12567] block nbd4: Device being setup by another task [ 414.582785][T12567] block nbd4: shutting down sockets [ 414.617804][T12571] block nbd1: NBD_DISCONNECT [ 414.623479][T12571] block nbd1: Disconnected due to user request. [ 414.637166][T12573] block nbd0: shutting down sockets [ 414.641795][T12571] block nbd1: shutting down sockets 14:57:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) [ 414.665823][T12578] block nbd3: Device being setup by another task [ 414.672992][T12568] block nbd5: NBD_DISCONNECT [ 414.678657][T12576] block nbd5: Disconnected due to user request. 14:57:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.711056][T12574] block nbd3: shutting down sockets [ 414.711060][T12576] block nbd5: shutting down sockets [ 414.735650][T12577] block nbd0: Device being setup by another task [ 414.745877][T12577] block nbd0: shutting down sockets 14:57:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.815609][T12575] block nbd1: Device being setup by another task [ 414.845614][T12571] block nbd1: Device being setup by another task [ 414.846574][T12581] block nbd2: NBD_DISCONNECT [ 414.853766][T12583] block nbd1: NBD_DISCONNECT [ 414.868365][T12583] block nbd1: Send disconnect failed -32 [ 414.878665][T12581] block nbd2: Disconnected due to user request. [ 414.887536][T12583] block nbd1: Disconnected due to user request. [ 414.900941][T12581] block nbd2: shutting down sockets [ 414.922859][T12583] block nbd1: shutting down sockets [ 414.946038][T12589] block nbd4: Device being setup by another task [ 414.954096][T12586] block nbd4: shutting down sockets 14:57:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 414.997115][T12590] block nbd5: shutting down sockets 14:57:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 415.066142][T12598] block nbd4: Device being setup by another task [ 415.067726][T12594] block nbd0: shutting down sockets [ 415.072757][T12586] block nbd4: shutting down sockets [ 415.097009][T12597] block nbd3: shutting down sockets [ 415.128257][T12601] block nbd5: shutting down sockets 14:57:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) [ 415.177925][T12600] block nbd0: shutting down sockets [ 415.216800][T12602] block nbd3: shutting down sockets 14:57:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 415.237381][T12604] block nbd2: shutting down sockets 14:57:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 415.338067][T12605] block nbd1: shutting down sockets [ 415.387320][T12606] block nbd4: shutting down sockets [ 415.448352][T12614] block nbd0: shutting down sockets [ 415.456848][T12619] block nbd1: Device being setup by another task [ 415.495916][T12621] block nbd4: Device being setup by another task [ 415.496374][T12620] block nbd2: shutting down sockets [ 415.502455][T12605] block nbd1: Device being setup by another task [ 415.515644][T12616] block nbd5: shutting down sockets [ 415.525265][T12618] block nbd3: shutting down sockets [ 415.528202][T12621] block nbd4: shutting down sockets [ 415.550177][T12619] block nbd1: shutting down sockets [ 415.566853][T12622] block nbd0: shutting down sockets [ 415.616404][T12625] block nbd3: shutting down sockets [ 415.618014][T12623] block nbd5: shutting down sockets [ 415.627953][T12624] block nbd2: shutting down sockets 14:57:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) 14:57:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 415.897359][T12628] block nbd4: shutting down sockets [ 415.917266][T12635] block nbd3: shutting down sockets [ 415.936962][T12636] block nbd0: NBD_DISCONNECT [ 415.942450][T12633] block nbd1: shutting down sockets [ 415.948348][T12636] block nbd0: Disconnected due to user request. [ 415.972124][T12636] block nbd0: shutting down sockets [ 415.978655][T12638] block nbd2: shutting down sockets [ 415.996213][T12627] block nbd1: shutting down sockets [ 416.015653][T12642] block nbd5: Device being setup by another task [ 416.024649][T12639] block nbd5: shutting down sockets [ 416.036409][T12644] block nbd4: Device being setup by another task [ 416.037226][T12640] block nbd3: shutting down sockets [ 416.042787][T12644] block nbd4: shutting down sockets [ 416.076141][T12645] block nbd2: shutting down sockets 14:57:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 416.105609][T12648] block nbd0: Device being setup by another task [ 416.112986][T12646] block nbd0: shutting down sockets [ 416.126663][T12642] block nbd5: shutting down sockets [ 416.132119][T12636] block nbd0: NBD_DISCONNECT [ 416.137163][T12636] block nbd0: Send disconnect failed -32 14:57:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab14) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) 14:57:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4c01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab14) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 416.367649][T12651] block nbd4: shutting down sockets [ 416.407049][T12650] block nbd1: shutting down sockets [ 416.466176][T12662] block nbd4: Device being setup by another task [ 416.477300][T12659] block nbd2: shutting down sockets [ 416.482955][T12658] block nbd3: shutting down sockets [ 416.488709][T12662] block nbd4: shutting down sockets [ 416.536401][T12650] block nbd1: shutting down sockets [ 416.542587][T12660] block nbd5: shutting down sockets [ 416.556133][T12665] block nbd0: Device being setup by another task [ 416.566155][T12663] block nbd0: shutting down sockets 14:57:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) [ 416.596768][T12666] block nbd2: shutting down sockets [ 416.616042][T12670] block nbd3: Device being setup by another task [ 416.624786][T12667] block nbd3: shutting down sockets 14:57:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 416.647319][T12669] block nbd5: shutting down sockets [ 416.653057][T12665] block nbd0: shutting down sockets 14:57:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x540f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xac03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 416.817807][T12671] block nbd4: shutting down sockets [ 416.916389][T12683] block nbd1: Device being setup by another task [ 416.925294][T12675] block nbd1: shutting down sockets [ 416.946225][T12671] block nbd4: shutting down sockets [ 416.953081][T12679] block nbd2: shutting down sockets [ 416.956872][T12682] block nbd3: shutting down sockets [ 416.987806][T12685] block nbd0: shutting down sockets [ 416.993383][T12684] block nbd5: shutting down sockets 14:57:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) [ 417.036720][T12686] block nbd2: shutting down sockets [ 417.055781][T12675] block nbd1: Device being setup by another task [ 417.064490][T12687] block nbd3: shutting down sockets [ 417.070043][T12675] block nbd1: shutting down sockets [ 417.086686][T12689] block nbd5: shutting down sockets [ 417.106168][T12688] block nbd0: shutting down sockets 14:57:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae41) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x541b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xd100) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 417.317867][T12691] block nbd4: shutting down sockets [ 417.355894][T12694] block nbd2: shutting down sockets [ 417.366939][T12696] block nbd0: shutting down sockets [ 417.407055][T12699] block nbd3: shutting down sockets [ 417.436099][T12691] block nbd4: shutting down sockets [ 417.437434][T12700] block nbd5: shutting down sockets [ 417.485680][T12701] block nbd2: Device being setup by another task [ 417.492996][T12706] block nbd2: shutting down sockets [ 417.510186][T12710] block nbd0: shutting down sockets [ 417.525582][T12709] block nbd3: Device being setup by another task 14:57:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) [ 417.534323][T12708] block nbd3: shutting down sockets [ 417.557555][T12707] block nbd1: shutting down sockets 14:57:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xd200) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 417.676734][T12707] block nbd1: Device being setup by another task [ 417.683150][T12707] block nbd1: shutting down sockets 14:57:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 417.789105][T12715] block nbd4: shutting down sockets [ 417.837548][T12721] block nbd2: shutting down sockets [ 417.858477][T12726] block nbd5: Device being setup by another task [ 417.869840][T12722] block nbd5: shutting down sockets [ 417.875664][T12727] block nbd3: Device being setup by another task [ 417.883891][T12724] block nbd3: shutting down sockets [ 417.907882][T12725] block nbd0: shutting down sockets [ 417.927282][T12715] block nbd4: shutting down sockets 14:57:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) [ 417.985979][T12727] block nbd3: Device being setup by another task [ 417.994343][T12730] block nbd2: shutting down sockets [ 418.001761][T12734] block nbd0: shutting down sockets [ 418.007520][T12726] block nbd5: shutting down sockets [ 418.026989][T12732] block nbd3: shutting down sockets [ 418.047342][T12733] block nbd1: shutting down sockets 14:57:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae9a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.155822][T12738] block nbd1: Device being setup by another task [ 418.198324][T12738] block nbd1: shutting down sockets [ 418.217061][T12735] block nbd4: shutting down sockets 14:57:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.319595][T12748] block nbd4: Device being setup by another task [ 418.331623][T12748] block nbd4: shutting down sockets [ 418.340074][T12744] block nbd5: shutting down sockets 14:57:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) [ 418.369754][T12745] block nbd0: shutting down sockets [ 418.375281][T12747] block nbd3: shutting down sockets [ 418.380950][T12746] block nbd2: shutting down sockets [ 418.476823][T12751] block nbd5: shutting down sockets [ 418.496187][T12755] block nbd3: shutting down sockets [ 418.503033][T12752] block nbd1: shutting down sockets [ 418.510237][T12759] block nbd0: shutting down sockets [ 418.511402][T12758] block nbd2: shutting down sockets 14:57:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.618307][T12756] block nbd4: shutting down sockets 14:57:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.685691][T12752] block nbd1: Device being setup by another task [ 418.693319][T12752] block nbd1: shutting down sockets 14:57:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.765510][T12768] block nbd4: Device being setup by another task [ 418.772733][T12756] block nbd4: shutting down sockets [ 418.819784][T12767] block nbd2: shutting down sockets 14:57:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) [ 418.847443][T12769] block nbd5: shutting down sockets [ 418.867312][T12772] block nbd0: shutting down sockets [ 418.867345][T12770] block nbd3: shutting down sockets [ 418.917000][T12777] block nbd2: Device being setup by another task [ 418.927362][T12774] block nbd5: shutting down sockets [ 418.938598][T12773] block nbd2: shutting down sockets 14:57:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 418.976816][T12778] block nbd3: shutting down sockets [ 418.984351][T12781] block nbd0: shutting down sockets 14:57:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.051332][T12779] block nbd1: shutting down sockets 14:57:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.098156][T12780] block nbd4: shutting down sockets [ 419.185736][T12779] block nbd1: Device being setup by another task [ 419.193539][T12779] block nbd1: shutting down sockets [ 419.215847][T12780] block nbd4: shutting down sockets 14:57:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.244141][T12788] block nbd5: shutting down sockets [ 419.257328][T12791] block nbd2: shutting down sockets 14:57:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) [ 419.318349][T12793] block nbd3: shutting down sockets [ 419.346461][T12795] block nbd5: shutting down sockets [ 419.347230][T12794] block nbd2: shutting down sockets [ 419.358712][T12792] block nbd0: shutting down sockets [ 419.396467][T12798] block nbd3: shutting down sockets 14:57:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.445488][T12797] block nbd0: Device being setup by another task [ 419.465573][T12797] block nbd0: shutting down sockets 14:57:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40085503) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.558346][T12802] block nbd1: shutting down sockets [ 419.577192][T12801] block nbd4: shutting down sockets [ 419.707254][T12811] block nbd3: shutting down sockets [ 419.710269][T12802] block nbd1: Device being setup by another task [ 419.716270][T12816] block nbd2: shutting down sockets [ 419.719004][T12812] block nbd4: Device being setup by another task [ 419.736937][T12802] block nbd1: shutting down sockets [ 419.739551][T12817] block nbd5: shutting down sockets [ 419.747010][T12812] block nbd4: shutting down sockets [ 419.767074][T12814] block nbd0: shutting down sockets 14:57:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.826249][T12818] block nbd3: shutting down sockets 14:57:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) [ 419.846539][T12816] block nbd2: shutting down sockets 14:57:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x6364) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 419.867548][T12817] block nbd5: shutting down sockets [ 419.867626][T12820] block nbd0: shutting down sockets 14:57:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40047438) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 420.096861][T12822] block nbd4: shutting down sockets [ 420.107270][T12826] block nbd3: shutting down sockets [ 420.136950][T12831] block nbd5: shutting down sockets [ 420.138123][T12829] block nbd2: shutting down sockets [ 420.147978][T12823] block nbd1: shutting down sockets [ 420.207102][T12833] block nbd0: shutting down sockets [ 420.210130][T12834] block nbd3: shutting down sockets [ 420.225682][T12838] block nbd4: Device being setup by another task [ 420.234151][T12838] block nbd4: shutting down sockets [ 420.247690][T12835] block nbd5: shutting down sockets [ 420.276574][T12837] block nbd2: shutting down sockets [ 420.295520][T12823] block nbd1: Device being setup by another task [ 420.303169][T12823] block nbd1: shutting down sockets [ 420.315817][T12841] block nbd0: Device being setup by another task 14:57:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 420.327905][T12840] block nbd0: shutting down sockets 14:57:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8901) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) 14:57:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4004743c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 420.558612][T12845] block nbd5: shutting down sockets [ 420.578275][T12844] block nbd4: shutting down sockets [ 420.584264][T12849] block nbd3: shutting down sockets [ 420.598445][T12852] block nbd0: shutting down sockets [ 420.603954][T12850] block nbd2: shutting down sockets [ 420.657165][T12854] block nbd5: shutting down sockets [ 420.676006][T12857] block nbd0: shutting down sockets [ 420.695529][T12861] block nbd4: Device being setup by another task [ 420.696332][T12855] block nbd3: shutting down sockets [ 420.702737][T12856] block nbd2: shutting down sockets [ 420.720633][T12861] block nbd4: shutting down sockets 14:57:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 420.757319][T12858] block nbd1: shutting down sockets 14:57:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8912) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) [ 420.886600][T12858] block nbd1: Device being setup by another task [ 420.893483][T12858] block nbd1: shutting down sockets 14:57:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 420.988902][T12864] block nbd0: shutting down sockets [ 421.033889][T12869] block nbd5: shutting down sockets [ 421.039774][T12871] block nbd3: shutting down sockets [ 421.046816][T12868] block nbd4: shutting down sockets [ 421.047195][T12870] block nbd2: shutting down sockets [ 421.125504][T12876] block nbd0: Device being setup by another task [ 421.131933][T12874] block nbd0: shutting down sockets [ 421.137617][T12879] block nbd4: Device being setup by another task [ 421.144288][T12868] block nbd4: shutting down sockets [ 421.145799][T12877] block nbd5: shutting down sockets [ 421.151426][T12878] block nbd3: shutting down sockets [ 421.185738][T12882] block nbd2: shutting down sockets 14:57:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) [ 421.257151][T12881] block nbd1: shutting down sockets 14:57:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8913) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 421.385486][T12881] block nbd1: Device being setup by another task [ 421.395638][T12881] block nbd1: shutting down sockets [ 421.458557][T12890] block nbd5: shutting down sockets [ 421.464147][T12889] block nbd3: shutting down sockets 14:57:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 421.518333][T12892] block nbd2: shutting down sockets [ 421.538315][T12894] block nbd0: shutting down sockets [ 421.556218][T12895] block nbd4: shutting down sockets [ 421.556605][T12896] block nbd5: shutting down sockets [ 421.567623][T12897] block nbd3: shutting down sockets 14:57:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8914) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 421.626690][T12898] block nbd2: shutting down sockets [ 421.636060][T12888] block nbd4: shutting down sockets 14:57:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40082406) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) [ 421.866807][T12906] block nbd3: shutting down sockets [ 421.869623][T12909] block nbd0: shutting down sockets [ 421.878531][T12904] block nbd1: shutting down sockets [ 421.884109][T12910] block nbd5: shutting down sockets [ 421.927532][T12914] block nbd2: shutting down sockets [ 421.948700][T12912] block nbd4: shutting down sockets [ 421.996302][T12919] block nbd0: shutting down sockets [ 421.999430][T12918] block nbd5: shutting down sockets [ 422.007021][T12924] block nbd3: shutting down sockets [ 422.015843][T12920] block nbd2: shutting down sockets [ 422.026021][T12904] block nbd1: Device being setup by another task [ 422.032418][T12904] block nbd1: shutting down sockets [ 422.066045][T12912] block nbd4: shutting down sockets 14:57:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8922) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) 14:57:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 422.318042][T12926] block nbd0: shutting down sockets [ 422.367097][T12933] block nbd3: shutting down sockets [ 422.367884][T12934] block nbd2: shutting down sockets [ 422.377773][T12935] block nbd5: shutting down sockets [ 422.397019][T12932] block nbd4: shutting down sockets [ 422.426897][T12940] block nbd0: Device being setup by another task [ 422.434594][T12937] block nbd0: shutting down sockets [ 422.455335][T12943] block nbd1: Device being setup by another task [ 422.456266][T12939] block nbd3: shutting down sockets [ 422.476507][T12942] block nbd2: shutting down sockets [ 422.482788][T12941] block nbd5: shutting down sockets [ 422.485434][T12945] block nbd4: Device being setup by another task [ 422.490273][T12938] block nbd1: shutting down sockets [ 422.496318][T12945] block nbd4: shutting down sockets 14:57:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae89) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8933) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) [ 422.646330][T12943] block nbd1: Device being setup by another task [ 422.666442][T12943] block nbd1: shutting down sockets 14:57:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 422.797404][T12953] block nbd5: shutting down sockets [ 422.816831][T12954] block nbd0: shutting down sockets [ 422.836969][T12956] block nbd2: shutting down sockets [ 422.847865][T12955] block nbd3: shutting down sockets [ 422.886385][T12958] block nbd5: shutting down sockets [ 422.886961][T12950] block nbd4: shutting down sockets [ 422.905698][T12959] block nbd0: shutting down sockets [ 422.935553][T12960] block nbd2: Device being setup by another task [ 422.936427][T12963] block nbd3: shutting down sockets [ 422.945622][T12960] block nbd2: shutting down sockets 14:57:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae90) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 423.086659][T12968] block nbd4: Device being setup by another task [ 423.095792][T12968] block nbd4: shutting down sockets [ 423.101211][T12966] block nbd1: Device being setup by another task [ 423.112814][T12965] block nbd1: shutting down sockets 14:57:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) [ 423.226213][T12966] block nbd1: Device being setup by another task [ 423.235914][T12966] block nbd1: shutting down sockets [ 423.266961][T12976] block nbd0: shutting down sockets [ 423.268358][T12974] block nbd2: shutting down sockets [ 423.278892][T12975] block nbd5: shutting down sockets [ 423.296667][T12978] block nbd3: shutting down sockets 14:57:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 423.366968][T12982] block nbd0: shutting down sockets [ 423.373531][T12981] block nbd4: NBD_DISCONNECT [ 423.387219][T12980] block nbd4: Disconnected due to user request. [ 423.393487][T12980] block nbd4: shutting down sockets [ 423.405420][T12987] block nbd5: Device being setup by another task [ 423.406667][T12986] block nbd3: shutting down sockets [ 423.412715][T12979] block nbd2: shutting down sockets [ 423.423197][T12984] block nbd5: shutting down sockets 14:57:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 423.575491][T12992] block nbd4: Device being setup by another task [ 423.581902][T12981] block nbd4: NBD_DISCONNECT [ 423.586665][T12981] block nbd4: Send disconnect failed -32 [ 423.604091][T12992] block nbd4: Disconnected due to user request. [ 423.611490][T12994] block nbd1: Device being setup by another task [ 423.642479][T12992] block nbd4: shutting down sockets 14:57:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) [ 423.686347][T12995] block nbd3: shutting down sockets [ 423.706424][T12994] block nbd1: shutting down sockets [ 423.748508][T12998] block nbd0: shutting down sockets [ 423.785483][T12997] block nbd3: Device being setup by another task [ 423.793979][T12997] block nbd3: shutting down sockets [ 423.805690][T13007] block nbd1: Device being setup by another task [ 423.845849][T12990] block nbd1: Device being setup by another task [ 423.846592][T13004] block nbd0: shutting down sockets [ 423.854498][T13002] block nbd2: shutting down sockets [ 423.864006][T13003] block nbd5: shutting down sockets [ 423.870749][T12990] block nbd1: shutting down sockets 14:57:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 423.906768][T13005] block nbd4: shutting down sockets 14:57:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 423.967525][T13009] block nbd2: shutting down sockets [ 423.967818][T13010] block nbd5: shutting down sockets 14:57:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.045373][T13011] block nbd4: Device being setup by another task [ 424.052214][T13011] block nbd4: shutting down sockets 14:57:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.147225][T13014] block nbd3: shutting down sockets 14:57:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) [ 424.176823][T13017] block nbd0: shutting down sockets [ 424.257452][T13019] block nbd3: shutting down sockets [ 424.276529][T13022] block nbd0: shutting down sockets [ 424.284975][T13018] block nbd1: shutting down sockets [ 424.297723][T13023] block nbd5: shutting down sockets 14:57:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.317564][T13024] block nbd4: shutting down sockets [ 424.337089][T13026] block nbd2: shutting down sockets 14:57:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.406055][T13032] block nbd4: Device being setup by another task [ 424.412702][T13024] block nbd4: shutting down sockets [ 424.425453][T13018] block nbd1: Device being setup by another task [ 424.432559][T13031] block nbd2: shutting down sockets [ 424.438451][T13018] block nbd1: shutting down sockets 14:57:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae01) 14:57:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.588086][T13037] block nbd0: shutting down sockets [ 424.605767][T13036] block nbd3: shutting down sockets [ 424.656449][T13040] block nbd0: shutting down sockets [ 424.662482][T13039] block nbd5: shutting down sockets [ 424.699571][T13036] block nbd3: shutting down sockets 14:57:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.756731][T13041] block nbd4: shutting down sockets [ 424.757406][T13046] block nbd2: shutting down sockets [ 424.796310][T13048] block nbd5: shutting down sockets 14:57:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.818085][T13047] block nbd1: shutting down sockets 14:57:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.885809][T13051] block nbd4: Device being setup by another task [ 424.895344][T13049] block nbd2: shutting down sockets [ 424.910792][T13051] block nbd4: shutting down sockets [ 424.947157][T13053] block nbd0: shutting down sockets 14:57:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 424.985396][T13047] block nbd1: Device being setup by another task [ 424.996233][T13047] block nbd1: shutting down sockets 14:57:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae41) [ 425.035733][T13056] block nbd0: Device being setup by another task [ 425.055933][T13056] block nbd0: shutting down sockets [ 425.057410][T13059] block nbd3: shutting down sockets 14:57:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.166763][T13060] block nbd5: shutting down sockets [ 425.185285][T13061] block nbd3: Device being setup by another task [ 425.194303][T13062] block nbd3: shutting down sockets [ 425.236929][T13063] block nbd4: shutting down sockets [ 425.246709][T13068] block nbd5: shutting down sockets 14:57:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.286876][T13067] block nbd2: shutting down sockets 14:57:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.348062][T13071] block nbd0: shutting down sockets [ 425.385668][T13063] block nbd4: shutting down sockets [ 425.386545][T13074] block nbd2: shutting down sockets [ 425.439053][T13073] block nbd1: shutting down sockets [ 425.466074][T13075] block nbd0: shutting down sockets 14:57:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae80) 14:57:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x41015500) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.606816][T13073] block nbd1: Device being setup by another task [ 425.614046][T13073] block nbd1: shutting down sockets [ 425.629265][T13081] block nbd2: shutting down sockets [ 425.635272][T13083] block nbd5: shutting down sockets 14:57:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.667029][T13084] block nbd3: shutting down sockets [ 425.716121][T13079] block nbd4: shutting down sockets [ 425.745910][T13093] block nbd2: shutting down sockets [ 425.751333][T13094] block nbd0: shutting down sockets [ 425.765588][T13095] block nbd5: shutting down sockets 14:57:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.795466][T13092] block nbd3: Device being setup by another task [ 425.805973][T13090] block nbd3: shutting down sockets [ 425.816175][T13079] block nbd4: shutting down sockets 14:57:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) [ 425.886711][T13099] block nbd0: Device being setup by another task [ 425.894465][T13094] block nbd0: shutting down sockets 14:57:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 425.996953][T13098] block nbd1: shutting down sockets [ 426.036756][T13102] block nbd2: shutting down sockets [ 426.097977][T13106] block nbd5: shutting down sockets [ 426.115421][T13101] block nbd1: Device being setup by another task [ 426.126048][T13108] block nbd3: shutting down sockets [ 426.136456][T13111] block nbd2: shutting down sockets [ 426.137042][T13105] block nbd4: shutting down sockets [ 426.149800][T13101] block nbd1: shutting down sockets 14:57:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 426.186943][T13114] block nbd0: shutting down sockets [ 426.205238][T13112] block nbd5: Device being setup by another task [ 426.215293][T13115] block nbd5: shutting down sockets 14:57:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4010ae67) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 426.235521][T13117] block nbd0: shutting down sockets [ 426.258019][T13119] block nbd4: Device being setup by another task [ 426.264729][T13105] block nbd4: shutting down sockets [ 426.270254][T13116] block nbd3: shutting down sockets 14:57:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40345410) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) [ 426.476778][T13124] block nbd2: shutting down sockets [ 426.515302][T13129] block nbd1: Device being setup by another task [ 426.538190][T13130] block nbd0: shutting down sockets [ 426.558092][T13132] block nbd5: shutting down sockets [ 426.563629][T13123] block nbd1: shutting down sockets [ 426.575553][T13127] block nbd2: Device being setup by another task [ 426.584404][T13134] block nbd3: NBD_DISCONNECT [ 426.589926][T13127] block nbd2: shutting down sockets [ 426.596869][T13134] block nbd3: Disconnected due to user request. [ 426.617218][T13131] block nbd4: shutting down sockets [ 426.619815][T13134] block nbd3: shutting down sockets [ 426.629646][T13137] block nbd0: shutting down sockets 14:57:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 426.725278][T13141] block nbd4: Device being setup by another task [ 426.727805][T13123] block nbd1: Device being setup by another task [ 426.738767][T13141] block nbd4: shutting down sockets [ 426.768967][T13123] block nbd1: shutting down sockets [ 426.775644][T13140] block nbd3: shutting down sockets [ 426.780907][T13134] block nbd3: NBD_DISCONNECT [ 426.795341][T13134] block nbd3: Send disconnect failed -32 [ 426.801018][T13134] block nbd3: Send disconnect failed -32 14:57:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) 14:57:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 426.937800][T13146] block nbd5: shutting down sockets [ 426.940150][T13147] block nbd0: shutting down sockets [ 426.996975][T13148] block nbd2: shutting down sockets [ 427.058834][T13159] block nbd5: shutting down sockets [ 427.066052][T13149] block nbd2: shutting down sockets [ 427.072945][T13151] block nbd0: shutting down sockets 14:57:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.107959][T13152] block nbd4: shutting down sockets [ 427.117182][T13158] block nbd3: shutting down sockets 14:57:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.175625][T13162] block nbd1: Device being setup by another task [ 427.194906][T13156] block nbd1: shutting down sockets [ 427.225342][T13163] block nbd4: Device being setup by another task [ 427.225653][T13161] block nbd3: shutting down sockets [ 427.233602][T13163] block nbd4: shutting down sockets [ 427.290005][T13167] block nbd1: Device being setup by another task 14:57:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) 14:57:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.345255][T13156] block nbd1: Device being setup by another task [ 427.358333][T13168] block nbd5: shutting down sockets [ 427.358388][T13169] block nbd0: shutting down sockets [ 427.370226][T13156] block nbd1: shutting down sockets 14:57:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.426887][T13171] block nbd2: shutting down sockets 14:57:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.488255][T13174] block nbd0: shutting down sockets [ 427.526270][T13175] block nbd2: shutting down sockets 14:57:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.637490][T13176] block nbd4: shutting down sockets [ 427.646703][T13179] block nbd3: shutting down sockets [ 427.696594][T13184] block nbd3: shutting down sockets [ 427.697218][T13185] block nbd5: shutting down sockets [ 427.706848][T13183] block nbd1: shutting down sockets 14:57:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae01) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 427.748328][T13190] block nbd4: Device being setup by another task [ 427.755013][T13176] block nbd4: shutting down sockets [ 427.786975][T13189] block nbd0: shutting down sockets 14:57:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) [ 427.817689][T13191] block nbd2: shutting down sockets [ 427.855482][T13196] block nbd5: Device being setup by another task [ 427.858010][T13183] block nbd1: Device being setup by another task [ 427.868253][T13193] block nbd5: shutting down sockets [ 427.896375][T13195] block nbd0: shutting down sockets [ 427.910061][T13183] block nbd1: shutting down sockets [ 427.915734][T13194] block nbd2: Device being setup by another task [ 427.927855][T13194] block nbd2: shutting down sockets 14:57:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80085502) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.046778][T13201] block nbd3: shutting down sockets [ 428.057182][T13200] block nbd4: shutting down sockets [ 428.126350][T13204] block nbd3: shutting down sockets [ 428.155287][T13206] block nbd4: Device being setup by another task [ 428.172467][T13206] block nbd4: shutting down sockets [ 428.196773][T13205] block nbd0: shutting down sockets 14:57:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae41) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) [ 428.307699][T13214] block nbd2: shutting down sockets [ 428.307752][T13212] block nbd0: shutting down sockets [ 428.313667][T13211] block nbd5: shutting down sockets 14:57:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.366968][T13220] block nbd1: shutting down sockets [ 428.415751][T13218] block nbd5: shutting down sockets [ 428.416805][T13217] block nbd2: shutting down sockets [ 428.422236][T13216] block nbd3: shutting down sockets [ 428.479762][T13219] block nbd4: shutting down sockets [ 428.495383][T13223] block nbd1: Device being setup by another task [ 428.510146][T13223] block nbd1: shutting down sockets 14:57:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.535528][T13224] block nbd3: shutting down sockets 14:57:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.595486][T13219] block nbd4: shutting down sockets 14:57:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae60) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.638238][T13227] block nbd0: shutting down sockets 14:57:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae90) [ 428.726137][T13230] block nbd0: shutting down sockets 14:57:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.758267][T13232] block nbd2: shutting down sockets [ 428.763914][T13231] block nbd5: shutting down sockets [ 428.836949][T13237] block nbd3: shutting down sockets [ 428.856182][T13239] block nbd5: shutting down sockets [ 428.862704][T13235] block nbd1: shutting down sockets 14:57:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.886990][T13238] block nbd2: shutting down sockets [ 428.905953][T13236] block nbd4: shutting down sockets 14:57:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 428.955233][T13246] block nbd3: Device being setup by another task [ 428.964228][T13242] block nbd3: shutting down sockets [ 428.996049][T13245] block nbd4: Device being setup by another task [ 429.004025][T13236] block nbd4: shutting down sockets [ 429.025285][T13235] block nbd1: Device being setup by another task [ 429.027730][T13247] block nbd0: shutting down sockets [ 429.031705][T13235] block nbd1: shutting down sockets 14:57:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xae80) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) [ 429.157094][T13250] block nbd0: shutting down sockets 14:57:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.196906][T13252] block nbd2: shutting down sockets [ 429.217084][T13251] block nbd5: shutting down sockets [ 429.276894][T13254] block nbd3: shutting down sockets 14:57:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.325327][T13261] block nbd2: Device being setup by another task [ 429.332794][T13256] block nbd2: shutting down sockets [ 429.392542][T13267] block nbd3: shutting down sockets 14:57:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020ae46) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.435076][T13268] block nbd4: Device being setup by another task [ 429.449903][T13259] block nbd4: shutting down sockets 14:57:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.506338][T13266] block nbd1: Device being setup by another task [ 429.512785][T13264] block nbd1: shutting down sockets [ 429.536570][T13270] block nbd0: shutting down sockets [ 429.576116][T13268] block nbd4: Device being setup by another task [ 429.583578][T13264] block nbd1: shutting down sockets [ 429.591478][T13272] block nbd5: shutting down sockets [ 429.607168][T13268] block nbd4: shutting down sockets [ 429.655265][T13271] block nbd0: Device being setup by another task [ 429.662946][T13276] block nbd0: shutting down sockets [ 429.707830][T13278] block nbd5: shutting down sockets [ 429.713932][T13277] block nbd2: shutting down sockets 14:57:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) 14:57:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.826485][T13281] block nbd2: shutting down sockets [ 429.846524][T13280] block nbd3: shutting down sockets 14:57:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4030560b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 429.955349][T13282] block nbd3: Device being setup by another task [ 429.962680][T13284] block nbd3: shutting down sockets [ 430.019760][T13285] block nbd4: shutting down sockets [ 430.025485][T13286] block nbd1: shutting down sockets 14:57:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400448dd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 430.087808][T13291] block nbd0: shutting down sockets [ 430.125059][T13297] block nbd4: Device being setup by another task [ 430.136428][T13285] block nbd4: shutting down sockets [ 430.146524][T13294] block nbd5: shutting down sockets [ 430.149932][T13296] block nbd2: shutting down sockets [ 430.185383][T13293] block nbd0: Device being setup by another task [ 430.191872][T13286] block nbd1: Device being setup by another task [ 430.200270][T13298] block nbd0: shutting down sockets [ 430.209972][T13286] block nbd1: shutting down sockets 14:57:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) [ 430.265175][T13303] block nbd2: Device being setup by another task [ 430.273484][T13301] block nbd3: shutting down sockets [ 430.285506][T13300] block nbd2: shutting down sockets [ 430.315979][T13302] block nbd5: shutting down sockets 14:57:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4090ae82) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x81f8943c) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 430.415386][T13304] block nbd3: Device being setup by another task [ 430.423321][T13305] block nbd3: shutting down sockets 14:57:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x400454ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 430.567535][T13307] block nbd4: shutting down sockets [ 430.628332][T13311] block nbd0: shutting down sockets [ 430.647361][T13313] block nbd2: shutting down sockets [ 430.665323][T13315] block nbd4: Device being setup by another task [ 430.671974][T13307] block nbd4: shutting down sockets [ 430.687141][T13318] block nbd5: shutting down sockets [ 430.715161][T13316] block nbd0: Device being setup by another task [ 430.717070][T13317] block nbd1: shutting down sockets [ 430.722546][T13316] block nbd0: shutting down sockets 14:57:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) [ 430.777491][T13327] block nbd2: shutting down sockets 14:57:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4138ae84) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 430.866639][T13326] block nbd3: shutting down sockets [ 430.885249][T13317] block nbd1: Device being setup by another task [ 430.894119][T13317] block nbd1: shutting down sockets 14:57:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 430.986771][T13329] block nbd3: shutting down sockets 14:57:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.046664][T13328] block nbd4: shutting down sockets [ 431.066569][T13332] block nbd5: shutting down sockets 14:57:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.145137][T13333] block nbd4: Device being setup by another task [ 431.152723][T13328] block nbd4: shutting down sockets [ 431.176177][T13336] block nbd5: shutting down sockets [ 431.196750][T13339] block nbd0: shutting down sockets [ 431.196772][T13338] block nbd2: shutting down sockets 14:57:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) 14:57:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.315180][T13343] block nbd0: Device being setup by another task [ 431.325193][T13341] block nbd0: shutting down sockets [ 431.376071][T13344] block nbd2: shutting down sockets [ 431.396815][T13346] block nbd3: shutting down sockets 14:57:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.458526][T13349] block nbd1: Device being setup by another task [ 431.465019][T13345] block nbd1: shutting down sockets [ 431.517434][T13351] block nbd5: shutting down sockets [ 431.517483][T13348] block nbd4: shutting down sockets [ 431.535474][T13354] block nbd3: Device being setup by another task [ 431.542259][T13350] block nbd3: shutting down sockets [ 431.585260][T13345] block nbd1: Device being setup by another task [ 431.592994][T13345] block nbd1: shutting down sockets [ 431.626199][T13355] block nbd5: shutting down sockets 14:57:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.686530][T13359] block nbd0: shutting down sockets [ 431.688985][T13348] block nbd4: shutting down sockets 14:57:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.746529][T13360] block nbd2: shutting down sockets [ 431.786408][T13361] block nbd0: shutting down sockets 14:57:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) [ 431.836151][T13362] block nbd2: shutting down sockets 14:57:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 431.958997][T13367] block nbd3: shutting down sockets [ 431.978200][T13370] block nbd5: shutting down sockets [ 431.983714][T13368] block nbd1: shutting down sockets [ 432.026544][T13369] block nbd4: shutting down sockets [ 432.046101][T13372] block nbd3: shutting down sockets [ 432.089292][T13375] block nbd5: shutting down sockets 14:57:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40086602) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.135365][T13368] block nbd1: Device being setup by another task [ 432.136295][T13377] block nbd0: shutting down sockets [ 432.145104][T13379] block nbd4: Device being setup by another task [ 432.153607][T13379] block nbd4: shutting down sockets [ 432.165024][T13368] block nbd1: shutting down sockets 14:57:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.225640][T13381] block nbd2: Device being setup by another task [ 432.233846][T13378] block nbd2: shutting down sockets 14:57:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.296759][T13382] block nbd0: shutting down sockets 14:57:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) [ 432.335541][T13381] block nbd2: Device being setup by another task [ 432.343263][T13381] block nbd2: shutting down sockets [ 432.396682][T13385] block nbd3: shutting down sockets 14:57:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.506162][T13388] block nbd3: shutting down sockets [ 432.546669][T13390] block nbd5: shutting down sockets 14:57:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40089416) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.608034][T13389] block nbd4: shutting down sockets [ 432.613638][T13391] block nbd1: shutting down sockets [ 432.656749][T13395] block nbd5: shutting down sockets [ 432.687127][T13396] block nbd0: shutting down sockets [ 432.716654][T13400] block nbd4: Device being setup by another task [ 432.725861][T13389] block nbd4: shutting down sockets [ 432.755764][T13391] block nbd1: Device being setup by another task 14:57:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.756592][T13399] block nbd2: shutting down sockets [ 432.777080][T13391] block nbd1: shutting down sockets [ 432.825032][T13403] block nbd0: Device being setup by another task [ 432.831621][T13401] block nbd0: shutting down sockets [ 432.877226][T13404] block nbd3: shutting down sockets 14:57:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) [ 432.916078][T13405] block nbd2: shutting down sockets 14:57:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = dup3(r3, r1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 432.983989][T13408] block nbd3: shutting down sockets 14:57:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae89) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 433.065317][T13413] block nbd5: shutting down sockets [ 433.175038][T13418] block nbd4: Device being setup by another task [ 433.192481][T13411] block nbd4: shutting down sockets [ 433.198168][T13420] block nbd5: Device being setup by another task [ 433.217625][T13413] block nbd5: shutting down sockets [ 433.235119][T13422] block nbd1: Device being setup by another task [ 433.238077][T13419] block nbd2: shutting down sockets [ 433.247067][T13412] block nbd1: shutting down sockets [ 433.259476][T13423] block nbd3: shutting down sockets [ 433.305271][T13411] block nbd4: shutting down sockets [ 433.307700][T13417] block nbd0: shutting down sockets 14:57:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 433.356010][T13426] block nbd3: shutting down sockets [ 433.376241][T13422] block nbd1: Device being setup by another task [ 433.376463][T13425] block nbd2: Device being setup by another task [ 433.383357][T13422] block nbd1: shutting down sockets 14:57:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) [ 433.424302][T13430] block nbd2: shutting down sockets [ 433.460597][T13427] block nbd0: shutting down sockets 14:57:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae90) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = creat(&(0x7f00000000c0)='./file0\x00', 0x16) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x4003fd) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = open(&(0x7f0000000140)='./file0\x00', 0x400000, 0x91) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r6) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ppoll(&(0x7f0000000180)=[{0xffffffffffffffff, 0x220}], 0x1, &(0x7f00000001c0), &(0x7f0000000200), 0x8) [ 433.628866][T13439] block nbd5: shutting down sockets [ 433.667121][T13437] block nbd4: shutting down sockets [ 433.745954][T13448] block nbd3: shutting down sockets [ 433.756671][T13449] block nbd5: shutting down sockets 14:57:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 433.805020][T13451] block nbd4: Device being setup by another task [ 433.807133][T13446] block nbd1: shutting down sockets [ 433.815112][T13451] block nbd4: shutting down sockets [ 433.856194][T13448] block nbd3: shutting down sockets 14:57:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) [ 433.887151][T13452] block nbd2: shutting down sockets [ 433.892573][T13454] block nbd0: server does not support multiple connections per device. [ 433.924684][T13450] block nbd0: shutting down sockets 14:57:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4008ae93) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 433.957153][T13456] block nbd1: Device being setup by another task [ 433.966208][T13446] block nbd1: shutting down sockets [ 433.986420][T13457] block nbd2: shutting down sockets 14:57:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 434.025015][T13454] block nbd0: Device being setup by another task 14:57:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 434.115875][T13461] block nbd4: shutting down sockets [ 434.126954][T13465] block nbd3: shutting down sockets [ 434.146625][ T6594] block nbd0: Receive control failed (result -32) [ 434.156537][T13450] block nbd0: shutting down sockets [ 434.162691][T13470] block nbd5: shutting down sockets 14:57:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DO_IT(r0, 0xab03) r4 = dup(r2) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x9) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r5, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) [ 434.255342][T13476] block nbd4: Device being setup by another task [ 434.255875][T13480] block nbd3: shutting down sockets [ 434.264318][T13476] block nbd4: shutting down sockets [ 434.315770][T13470] block nbd5: shutting down sockets [ 434.349486][T13477] block nbd3: Device being setup by another task [ 434.356515][T13482] block nbd1: Device being setup by another task 14:57:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) [ 434.396465][T13479] block nbd1: shutting down sockets [ 434.396777][T13481] block nbd2: shutting down sockets 14:57:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 434.504990][T13482] block nbd1: Device being setup by another task [ 434.520494][T13482] block nbd1: shutting down sockets [ 434.556123][T13488] block nbd2: shutting down sockets [ 434.647933][T13498] block nbd0: shutting down sockets 14:57:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 434.687694][T13490] block nbd4: shutting down sockets [ 434.694178][T13489] nbd0: detected capacity change from 0 to 18 14:57:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 434.766507][T13496] block nbd3: shutting down sockets [ 434.805621][T13504] block nbd5: shutting down sockets [ 434.836115][T13507] block nbd4: Device being setup by another task [ 434.842783][T13507] block nbd4: shutting down sockets [ 434.853439][T13498] block nbd0: shutting down sockets [ 434.885783][T13503] block nbd3: Device being setup by another task [ 434.892220][T13506] block nbd3: shutting down sockets [ 434.892246][T13504] block nbd5: shutting down sockets [ 434.902646][T13498] nbd0: detected capacity change from 0 to 18 14:57:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r4, 0x1, 0x12, &(0x7f0000000100)=0x7ff, 0x4) preadv(r4, &(0x7f0000000440)=[{&(0x7f0000000740)=""/4096, 0x1000}, {&(0x7f00000001c0)=""/193, 0xc1}, {&(0x7f00000002c0)=""/248, 0xf8}, {&(0x7f00000003c0)=""/5, 0x5}, {&(0x7f00000004c0)=""/43, 0x2b}], 0x5, 0xda6, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000140), 0x3c9200, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_SET_SOCK(r3, 0xab00, r3) openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) 14:57:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101286) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r5, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_DO_IT(r5, 0xab03) [ 435.085323][T13523] block nbd2: shutting down sockets [ 435.115120][T13522] block nbd1: Device being setup by another task [ 435.176557][T13518] block nbd1: shutting down sockets [ 435.195925][T13531] block nbd5: shutting down sockets [ 435.196177][T13523] block nbd2: shutting down sockets [ 435.277284][T13532] block nbd3: shutting down sockets [ 435.315917][T13518] block nbd1: Device being setup by another task [ 435.319021][T13524] block nbd4: shutting down sockets [ 435.322323][T13518] block nbd1: shutting down sockets [ 435.347649][T13538] block nbd0: shutting down sockets 14:57:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x2a0140) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x11c010, 0xffffffffffffffff, 0xdf753000) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r6 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x110, r6, 0x0) openat$cgroup_ro(r6, &(0x7f0000000100)='memory.swap.current\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 14:57:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = socket$xdp(0x2c, 0x3, 0x0) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000580), 0xd1001, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r2) setsockopt$sock_int(r4, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) write$binfmt_elf64(r4, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x487) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 435.435384][T13539] block nbd3: Device being setup by another task [ 435.483664][T13537] block nbd3: shutting down sockets [ 435.564527][T13538] block nbd0: shutting down sockets [ 435.565161][T13524] block nbd4: shutting down sockets 14:57:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40101288) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020ae46) [ 435.656460][T13545] block nbd1: shutting down sockets [ 435.688894][T13552] block nbd2: shutting down sockets [ 435.717123][T13556] block nbd5: shutting down sockets 14:57:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x200100) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 435.775544][T13555] block nbd1: Device being setup by another task [ 435.835233][T13549] block nbd5: Device being setup by another task [ 435.843038][T13556] block nbd5: Could not allocate knbd recv work queue. [ 435.844946][T13558] block nbd1: Device being setup by another task [ 435.865366][T13559] block nbd4: shutting down sockets [ 435.866928][T13556] block nbd5: shutting down sockets 14:57:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8138ae83) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 435.884609][T13558] block nbd1: shutting down sockets [ 435.914992][T13567] block nbd3: Device being setup by another task [ 435.922382][T13564] block nbd3: shutting down sockets 14:57:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = creat(&(0x7f00000000c0)='./file0\x00', 0x40) ioctl$NBD_DO_IT(r4, 0xab03) [ 435.965115][T13572] block nbd4: Device being setup by another task [ 435.974344][T13559] block nbd4: shutting down sockets 14:57:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.025062][T13574] block nbd3: Device being setup by another task [ 436.026350][T13571] block nbd0: server does not support multiple connections per device. [ 436.034122][T13567] block nbd3: shutting down sockets 14:57:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4090ae82) [ 436.077597][T13571] block nbd0: shutting down sockets 14:57:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.136398][T13575] block nbd2: shutting down sockets [ 436.204987][T13579] block nbd0: Device being setup by another task [ 436.215560][T13580] block nbd0: Could not allocate knbd recv work queue. [ 436.234038][T13582] block nbd0: shutting down sockets [ 436.264996][T13589] block nbd5: Device being setup by another task [ 436.265036][T13587] block nbd2: Device being setup by another task [ 436.296279][T13586] block nbd4: shutting down sockets [ 436.321178][T13583] block nbd2: shutting down sockets [ 436.331276][T13589] block nbd5: shutting down sockets [ 436.338651][T13588] block nbd1: shutting down sockets 14:57:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4043) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x401, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x81) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = open_tree(r3, &(0x7f0000000100)='./file0\x00', 0x1) ioctl$NBD_SET_SOCK(r5, 0xab00, r2) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x6) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) ioctl$NBD_SET_SOCK(r5, 0xab00, r2) [ 436.394991][T13598] block nbd4: Device being setup by another task [ 436.419472][T13598] block nbd4: shutting down sockets 14:57:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.457086][T13599] block nbd3: shutting down sockets [ 436.514957][T13581] block nbd1: Device being setup by another task [ 436.542991][ T6594] block nbd5: Receive control failed (result -32) [ 436.543039][T13589] block nbd5: shutting down sockets [ 436.551205][T13604] block nbd1: shutting down sockets 14:57:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4138ae84) [ 436.567040][T13602] block nbd3: shutting down sockets [ 436.576597][T13603] block nbd0: server does not support multiple connections per device. [ 436.587626][ T2999] Bluetooth: hci3: command 0x0406 tx timeout [ 436.616931][T13612] block nbd2: shutting down sockets [ 436.631465][ T2999] Bluetooth: hci4: command 0x0406 tx timeout [ 436.635063][T13613] block nbd0: shutting down sockets 14:57:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.669280][ T2999] Bluetooth: hci5: command 0x0406 tx timeout [ 436.700823][ T2999] Bluetooth: hci0: command 0x0406 tx timeout [ 436.733526][ T2999] Bluetooth: hci1: command 0x0406 tx timeout [ 436.746049][T13613] block nbd0: Device being setup by another task [ 436.751425][ T2999] Bluetooth: hci2: command 0x0406 tx timeout 14:57:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.793934][T13614] block nbd0: shutting down sockets 14:57:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r3, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) fremovexattr(r3, &(0x7f00000000c0)=@known='trusted.syz\x00') ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.817359][T13615] block nbd4: shutting down sockets 14:57:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = open(&(0x7f00000000c0)='\x00', 0x400080, 0x4) ioctl$BLKRRPART(r4, 0x125f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.845462][T13622] block nbd2: shutting down sockets 14:57:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 436.954890][T13627] block nbd4: Device being setup by another task [ 436.964185][T13615] block nbd4: shutting down sockets [ 436.988200][T13625] block nbd3: shutting down sockets 14:57:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) [ 437.075629][T13630] block nbd3: Device being setup by another task [ 437.123164][T13633] block nbd3: shutting down sockets [ 437.153189][T13642] block nbd1: shutting down sockets [ 437.165065][T13640] block nbd0: shutting down sockets [ 437.169992][T13643] block nbd5: shutting down sockets [ 437.235351][T13640] block nbd0: Device being setup by another task [ 437.275060][T13643] block nbd5: Device being setup by another task 14:57:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 437.276159][T13648] block nbd2: shutting down sockets [ 437.295121][T13631] block nbd1: Device being setup by another task [ 437.296247][T13649] block nbd4: shutting down sockets [ 437.318136][T13642] block nbd1: shutting down sockets [ 437.385692][ T9160] block nbd5: Receive control failed (result -32) [ 437.394595][T13643] block nbd5: shutting down sockets [ 437.427240][T13656] block nbd2: shutting down sockets [ 437.465233][T13649] block nbd4: shutting down sockets [ 437.471931][T13659] block nbd3: shutting down sockets 14:57:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80400) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r3, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) ioctl$vim2m_VIDIOC_DQBUF(0xffffffffffffffff, 0xc0585611, &(0x7f00000000c0)={0x4, 0x1, 0x4, 0x1000, 0x73, {0x77359400}, {0x0, 0x0, 0x80, 0x9, 0x8, 0x3, "b9efeaf0"}, 0x81, 0x3, @offset=0x1ff, 0x4, 0x0, 0xffffffffffffffff}) dup3(r3, r4, 0x80000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x303201, 0x0) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000140), 0x10000, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000100)='net/ptype\x00') ioctl$NBD_SET_SOCK(r4, 0xab00, r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x500b30ca00a7d47f) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x6) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 14:57:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) 14:57:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc008ae05) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 437.595795][T13662] block nbd3: shutting down sockets 14:57:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40186366) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 437.807045][T13666] block nbd4: shutting down sockets [ 437.821695][T13671] block nbd2: shutting down sockets [ 437.827464][T13680] block nbd0: shutting down sockets [ 437.830824][T13675] block nbd3: shutting down sockets [ 437.868769][T13681] block nbd5: shutting down sockets [ 437.881895][T13686] block nbd1: shutting down sockets [ 437.925892][T13684] block nbd3: shutting down sockets [ 437.958367][T13680] block nbd0: shutting down sockets 14:57:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 437.984957][T13689] block nbd5: Device being setup by another task [ 437.997981][T13687] block nbd2: shutting down sockets [ 438.025143][T13692] block nbd4: Device being setup by another task [ 438.033447][T13681] block nbd5: Could not allocate knbd recv work queue. [ 438.055871][T13670] block nbd1: Device being setup by another task [ 438.063525][T13681] block nbd5: shutting down sockets [ 438.070148][ T9161] block nbd1: Receive control failed (result -32) [ 438.076433][T13692] block nbd4: shutting down sockets [ 438.078626][ T9161] block nbd1: Receive control failed (result -32) [ 438.090153][T13693] block nbd1: shutting down sockets 14:57:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='cpuacct.usage_percpu\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) 14:57:45 executing program 5: mq_open(&(0x7f00000000c0)='!\x00', 0x80, 0x0, &(0x7f0000000100)={0x1, 0x0, 0x7, 0x9}) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) mq_open(&(0x7f0000000140)='\x00', 0x80, 0x0, &(0x7f0000000180)={0x255, 0x5, 0x4, 0x50000}) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800007, 0x12, r5, 0xb50b7000) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 438.346664][T13703] block nbd3: shutting down sockets [ 438.448485][T13708] block nbd3: shutting down sockets [ 438.454062][T13709] block nbd2: shutting down sockets [ 438.459540][T13711] block nbd0: Device being setup by another task [ 438.473718][T13715] block nbd0: shutting down sockets 14:57:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 438.509093][T13710] block nbd4: shutting down sockets [ 438.509129][T13707] block nbd1: server does not support multiple connections per device. [ 438.540909][T13704] block nbd1: shutting down sockets [ 438.584925][T13718] block nbd2: Device being setup by another task [ 438.594899][T13719] block nbd2: shutting down sockets [ 438.595126][T13726] block nbd5: shutting down sockets [ 438.608774][T13720] block nbd4: Device being setup by another task [ 438.617092][T13720] block nbd4: shutting down sockets 14:57:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) [ 438.661179][T13702] block nbd0: Device being setup by another task [ 438.668585][ T8881] block nbd0: Receive control failed (result -32) [ 438.707472][T13702] block nbd0: shutting down sockets [ 438.724939][T13704] block nbd1: Device being setup by another task [ 438.731842][T13707] block nbd1: Could not allocate knbd recv work queue. 14:57:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x6, 0x7, 0x9, 0x31, 0x204, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x40) fadvise64(r2, 0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) [ 438.754060][T13723] block nbd1: shutting down sockets [ 438.756095][T13729] block nbd2: shutting down sockets 14:57:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = open(&(0x7f0000000100)='./file0\x00', 0x8000, 0x151) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x5) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 438.835824][T13732] block nbd2: shutting down sockets 14:57:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$sock_inet_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000380)={'wg2\x00', {0x2, 0x0, @loopback}}) r3 = accept$inet(0xffffffffffffffff, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, &(0x7f0000000100)=0x10) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, &(0x7f0000000140)) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x30d102) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair(0x11, 0x6, 0x5, &(0x7f0000000340)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 438.916701][T13734] block nbd3: shutting down sockets [ 438.977014][T13733] block nbd4: shutting down sockets [ 439.015788][T13738] block nbd3: shutting down sockets 14:57:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 439.095757][T13745] block nbd4: Device being setup by another task [ 439.102179][T13745] block nbd4: shutting down sockets [ 439.145421][T13744] block nbd1: shutting down sockets [ 439.146725][T13748] block nbd2: shutting down sockets [ 439.190327][T13754] block nbd5: shutting down sockets 14:57:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) [ 439.275899][T13757] block nbd2: shutting down sockets [ 439.285861][ T9319] block nbd1: shutting down sockets 14:57:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 439.365056][T13760] block nbd5: Device being setup by another task [ 439.404812][T13741] block nbd5: Device being setup by another task [ 439.406926][T13761] block nbd3: shutting down sockets [ 439.488226][ T8881] block nbd5: Receive control failed (result -32) [ 439.490642][T13754] block nbd5: shutting down sockets [ 439.556025][T13773] block nbd3: Device being setup by another task [ 439.562466][T13767] block nbd3: shutting down sockets [ 439.570479][T13764] block nbd4: shutting down sockets [ 439.576581][T13768] block nbd2: shutting down sockets 14:57:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x401c5820) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x10000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) write$nbd(r3, &(0x7f00000000c0)={0x67446698, 0x1, 0x3, 0x4, 0x2, "ead8ba5f031e007471ddf675cdf0899044901ae42e901d362c6e9506affe0d77da611590ec20f2ad41a988dfa16cbfb72900d79095c2c9081740910c6b4115c1737fef545bfe1908b27a9ee707183ec28006c95eb219d6d61f407ff4ed2f791b2960130ce59ce374a2dabcfe8d8dbe1d6e0c61b82054761188470d75a5380e45691818fbbbc257c34241161ed786a6d342c7818ffec702d10f7792441970"}, 0xae) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$BTRFS_IOC_GET_DEV_STATS(r0, 0xc4089434, &(0x7f0000000180)={0x0, 0x6, 0x1, [0x1000, 0x4, 0x6, 0x3f, 0x61], [0x7, 0x1000, 0xffffffffffffffe1, 0x1, 0x200, 0x3, 0x1, 0xe8, 0x0, 0x8, 0xffff, 0x4, 0x0, 0x8, 0x3, 0x101, 0x1, 0x3f, 0x1, 0x3, 0x6, 0x80000001, 0x2, 0xdc1, 0x6, 0x6, 0x100000000, 0x7f, 0x6, 0x40, 0x1, 0x8000, 0x3, 0x19af, 0x5, 0xf26, 0x0, 0x15c, 0x2, 0x596f, 0x852, 0x100000000, 0xffffffff, 0x0, 0x948, 0x100, 0x44b3, 0x1, 0x5, 0x7, 0xff, 0x8, 0x6, 0x400, 0x0, 0x6, 0x72, 0x81, 0x7, 0x6, 0x3, 0x1ff, 0xffffffff, 0x7, 0x8000, 0x101, 0x100000000, 0x1, 0x773, 0x7, 0xcf, 0x8630, 0x101, 0x80000000, 0x1, 0x74, 0x99, 0x6, 0x2730, 0xffffffff00000000, 0x800, 0x80, 0xff, 0x2, 0x1, 0x3, 0xd3c, 0x61c, 0x5, 0x0, 0x0, 0x8, 0x8, 0x4, 0x101, 0xf8ae, 0x5, 0x2, 0xdd, 0x1, 0x10000, 0x1, 0x7, 0x6fcb47c5, 0x1, 0x975, 0x800, 0x6, 0x80, 0x3f, 0x4, 0x3, 0x7fff, 0x3, 0x7, 0x6, 0x6, 0x8, 0x9, 0x9, 0x4]}) [ 439.617788][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 439.624219][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 [ 439.642957][T13779] block nbd1: shutting down sockets [ 439.695466][T13764] block nbd4: shutting down sockets [ 439.701603][T13777] block nbd2: shutting down sockets [ 439.772634][ T6594] block nbd0: Receive control failed (result -32) [ 439.772634][ T9155] block nbd0: Receive control failed (result -32) [ 439.792539][T13740] block nbd0: shutting down sockets 14:57:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) [ 439.824846][T13771] block nbd1: Device being setup by another task [ 439.848459][T13779] block nbd1: Could not allocate knbd recv work queue. 14:57:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3fd) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x109082, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 439.877522][T13783] block nbd1: shutting down sockets [ 439.885438][T13735] block nbd0: shutting down sockets [ 439.892288][T13781] block nbd3: shutting down sockets 14:57:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x800) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$audion(&(0x7f00000000c0), 0x3, 0x270080) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000900)={&(0x7f0000000400), 0x6e, &(0x7f00000007c0)=[{&(0x7f0000000480)=""/47, 0x2f}, {&(0x7f00000004c0)=""/69, 0x45}, {&(0x7f0000000540)=""/153, 0x99}, {&(0x7f0000000600)=""/241, 0xf1}, {&(0x7f0000000740)=""/112, 0x70}], 0x5, &(0x7f0000000840)=[@rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x88}, 0x40000043) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r4 = syz_mount_image$fuse(&(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x23, &(0x7f0000000180)={{}, 0x2c, {'rootmode', 0x3d, 0x2000}, 0x2c, {'user_id', 0x3d, 0xffffffffffffffff}, 0x2c, {}, 0x2c, {[{@blksize={'blksize', 0x3d, 0x600}}, {@blksize={'blksize', 0x3d, 0x1a00}}, {@max_read={'max_read', 0x3d, 0x80000001}}], [{@uid_gt={'uid>', 0xffffffffffffffff}}, {@rootcontext={'rootcontext', 0x3d, 'staff_u'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}}) r5 = openat(r4, &(0x7f00000002c0)='./file0\x00', 0x101280, 0x81) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r7 = perf_event_open(&(0x7f0000000340)={0x4, 0x80, 0x80, 0x2, 0x2, 0x48, 0x0, 0x33f, 0x800, 0x4, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x200, 0x4, @perf_bp={&(0x7f00000000c0)}, 0x20, 0x1000, 0x2b4c, 0x4, 0x3, 0x7, 0xc534, 0x0, 0x76, 0x0, 0x2}, 0xffffffffffffffff, 0x4, r5, 0x8) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f00000003c0), 0x400400, 0x0) ioctl$NBD_SET_TIMEOUT(r8, 0xab09, 0x1000) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x810, r7, 0xa6b46000) ioctl$IOC_PR_REGISTER(r5, 0x401870c8, &(0x7f0000000300)={0x2}) [ 439.994990][T13785] block nbd3: Device being setup by another task [ 440.005976][T13785] block nbd3: shutting down sockets 14:57:46 executing program 5: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x416342, 0x0) ioctl$HDIO_GETGEO(r0, 0x301, &(0x7f0000000100)) syz_open_dev$dri(&(0x7f0000000140), 0xffffffffffff0000, 0x6284c2) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:57:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 440.116911][T13793] block nbd4: shutting down sockets [ 440.117285][T13794] block nbd2: shutting down sockets [ 440.214820][T13802] block nbd4: Device being setup by another task [ 440.222722][T13793] block nbd4: shutting down sockets [ 440.234999][T13808] block nbd2: Device being setup by another task [ 440.245535][T13792] block nbd2: shutting down sockets 14:57:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) [ 440.260228][T13812] block nbd5: shutting down sockets [ 440.267566][T13804] block nbd3: shutting down sockets [ 440.293869][T13814] block nbd0: shutting down sockets [ 440.343661][T13812] block nbd5: Could not allocate knbd recv work queue. [ 440.365561][T13819] block nbd1: shutting down sockets [ 440.374421][T13812] block nbd5: shutting down sockets 14:57:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x1a902) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x101000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 440.466140][T13822] block nbd4: shutting down sockets [ 440.495088][T13814] block nbd0: Device being setup by another task [ 440.502187][T13824] block nbd0: Could not allocate knbd recv work queue. [ 440.517866][T13819] block nbd1: shutting down sockets [ 440.531824][T13803] block nbd1: Could not allocate knbd recv work queue. 14:57:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4020ae46) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 440.554721][T13824] block nbd0: shutting down sockets [ 440.567631][T13822] block nbd4: shutting down sockets 14:57:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) 14:57:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x2) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(r4, 0xf504, 0x0) 14:57:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) creat(&(0x7f0000000300)='./file0\x00', 0x2) openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x20020, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = open_tree(r4, &(0x7f0000000100)='./file0\x00', 0x88000) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 440.697334][T13834] block nbd2: server does not support multiple connections per device. [ 440.731287][T13831] block nbd2: shutting down sockets [ 440.756431][T13833] block nbd3: shutting down sockets [ 440.819759][T13838] block nbd5: shutting down sockets [ 440.820038][T13834] block nbd2: Device being setup by another task [ 440.834531][T13836] block nbd2: Could not allocate knbd recv work queue. [ 440.851305][T13836] block nbd2: shutting down sockets 14:57:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 440.885275][T13838] block nbd5: shutting down sockets [ 440.886868][T13840] block nbd3: shutting down sockets [ 440.908168][T13841] block nbd4: shutting down sockets [ 440.973635][T13850] block nbd1: shutting down sockets 14:57:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x40345410) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$mouse(&(0x7f00000000c0), 0x1, 0x44a000) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 440.994092][T13855] block nbd0: shutting down sockets [ 440.999981][T13849] block nbd4: Device being setup by another task [ 441.021098][T13849] block nbd4: shutting down sockets 14:57:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8138ae83) [ 441.082404][T13850] block nbd1: shutting down sockets [ 441.098804][T13842] block nbd1: Could not allocate knbd recv work queue. [ 441.114791][T13855] block nbd0: Device being setup by another task [ 441.122909][T13858] block nbd0: Could not allocate knbd recv work queue. [ 441.142819][T13845] block nbd0: shutting down sockets [ 441.213549][T13870] block nbd2: shutting down sockets 14:57:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x40000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_DISCONNECT(r1, 0xab08) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.297924][T13874] block nbd5: shutting down sockets [ 441.317285][T13868] block nbd4: shutting down sockets 14:57:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r2 = open_tree(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x9001) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.346530][T13872] block nbd3: shutting down sockets 14:57:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.425033][T13868] block nbd4: shutting down sockets [ 441.425525][T13874] block nbd5: Device being setup by another task [ 441.444916][T13878] block nbd3: Device being setup by another task [ 441.452401][T13881] block nbd3: shutting down sockets 14:57:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) [ 441.489350][T13863] block nbd5: Could not allocate knbd recv work queue. [ 441.508965][T13880] block nbd5: shutting down sockets 14:57:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4090ae82) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.591812][T13884] block nbd1: NBD_DISCONNECT [ 441.597727][T13884] block nbd1: Disconnected due to user request. [ 441.605670][T13885] block nbd0: shutting down sockets [ 441.647705][T13884] block nbd1: shutting down sockets 14:57:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) clock_gettime(0x0, &(0x7f00000043c0)={0x0, 0x0}) recvmmsg$unix(0xffffffffffffffff, &(0x7f0000004200)=[{{&(0x7f00000000c0)=@abs, 0x6e, &(0x7f0000000200)=[{&(0x7f0000000140)=""/130, 0x82}], 0x1, &(0x7f0000000240)=[@rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x58}}, {{&(0x7f00000002c0), 0x6e, &(0x7f0000000380)=[{&(0x7f0000000340)=""/7, 0x7}], 0x1, &(0x7f00000003c0)=[@cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x98}}, {{&(0x7f0000000480)=@abs, 0x6e, &(0x7f0000000640)=[{&(0x7f0000000500)}, {&(0x7f0000000540)=""/246, 0xf6}], 0x2, &(0x7f0000000680)=[@cred={{0x1c}}], 0x20}}, {{0x0, 0x44, &(0x7f0000000740)=[{&(0x7f00000006c0)=""/36, 0x24}], 0x1, &(0x7f0000000780)=[@rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x60}}, {{&(0x7f0000000800)=@abs, 0x6e, &(0x7f0000001d00)=[{&(0x7f0000000880)=""/127, 0x7f}, {&(0x7f0000000900)=""/60, 0x3c}, {&(0x7f0000000940)=""/59, 0x3b}, {&(0x7f0000000980)=""/219, 0xdb}, {&(0x7f0000000a80)=""/48, 0x30}, {&(0x7f0000000ac0)=""/148, 0x94}, {&(0x7f0000000b80)=""/240, 0xf0}, {&(0x7f0000000c80)=""/4096, 0x1000}, {&(0x7f0000001c80)=""/120, 0x78}], 0x9, &(0x7f0000001dc0)=[@cred={{0x1c}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x70}}, {{&(0x7f0000001e40), 0x6e, &(0x7f0000002ec0)=[{&(0x7f0000001ec0)=""/4096, 0x1000}], 0x1}}, {{&(0x7f0000002f00)=@abs, 0x6e, &(0x7f00000041c0)=[{&(0x7f0000002f80)=""/250, 0xfa}, {&(0x7f0000004440)=""/220, 0xdc}, {&(0x7f0000003180)=""/4096, 0x1000}, {&(0x7f0000004180)=""/32, 0x20}], 0x4}}], 0x7, 0x40010002, &(0x7f0000004400)={r3, r4+60000000}) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.757248][T13898] block nbd2: shutting down sockets [ 441.765474][T13899] block nbd1: Device being setup by another task [ 441.816192][ T9323] block nbd0: shutting down sockets [ 441.836393][T13897] block nbd3: shutting down sockets [ 441.884815][T13902] block nbd1: Device being setup by another task [ 441.894288][T13903] block nbd1: NBD_DISCONNECT [ 441.899551][T13903] block nbd1: Send disconnect failed -32 [ 441.904936][T13898] block nbd2: Device being setup by another task [ 441.912102][T13904] block nbd2: Could not allocate knbd recv work queue. [ 441.912269][T13900] block nbd3: shutting down sockets [ 441.926402][T13891] block nbd4: shutting down sockets 14:57:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x449002) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.934058][T13904] block nbd2: shutting down sockets [ 441.951143][T13903] block nbd1: Send disconnect failed -32 14:57:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4138ae84) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 441.983069][T13903] block nbd1: Send disconnect failed -32 [ 442.014371][T13903] block nbd1: Send disconnect failed -32 14:57:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 442.034840][T13905] block nbd4: Device being setup by another task [ 442.043810][T13891] block nbd4: shutting down sockets 14:57:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) 14:57:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x604200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 442.266252][T13912] block nbd3: shutting down sockets [ 442.285132][T13914] block nbd0: shutting down sockets [ 442.336592][T13919] block nbd2: shutting down sockets [ 442.342282][T13930] block nbd5: shutting down sockets [ 442.366401][T13917] block nbd4: shutting down sockets [ 442.366442][T13921] block nbd3: shutting down sockets [ 442.384780][T13931] block nbd0: Device being setup by another task 14:57:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x88101, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) sendmsg$MPTCP_PM_CMD_DEL_ADDR(r1, 0xfffffffffffffffe, 0x7ca9817deb3951ed) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 442.407936][T13925] block nbd0: shutting down sockets [ 442.455160][T13917] block nbd4: shutting down sockets [ 442.455796][T13919] block nbd2: Device being setup by another task [ 442.466914][T13916] block nbd5: Device being setup by another task [ 442.474327][T13930] block nbd5: Could not allocate knbd recv work queue. [ 442.496111][T13930] block nbd5: shutting down sockets 14:57:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x4400ae8f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 442.510075][T13932] block nbd2: Could not allocate knbd recv work queue. [ 442.519847][T13932] block nbd2: shutting down sockets 14:57:49 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) recvmmsg$unix(r0, &(0x7f0000002580)=[{{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f00000000c0)=""/172, 0xac}, {&(0x7f0000000180)=""/52, 0x34}, {&(0x7f00000001c0)=""/238, 0xee}, {&(0x7f00000002c0)=""/30, 0x1e}, {&(0x7f0000000300)=""/137, 0x89}, {&(0x7f00000003c0)=""/242, 0xf2}, {&(0x7f0000000740)=""/4096, 0x1000}, {&(0x7f00000004c0)=""/109, 0x6d}], 0x8}}, {{&(0x7f00000005c0)=@abs, 0x6e, &(0x7f0000000680)=[{&(0x7f0000000640)=""/18, 0x12}], 0x1, &(0x7f0000001740)=ANY=[@ANYBLOB="18000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYBLOB="18000000000000000100000001000000", @ANYRES32, @ANYRES32=0xffffffffffffffff, @ANYBLOB="1c00000000c807000000000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYBLOB="18000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xc0}}, {{&(0x7f0000001800), 0x6e, &(0x7f00000006c0)=[{&(0x7f0000001880)=""/201, 0xc9}], 0x1, &(0x7f0000001980)=[@cred={{0x1c}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x78}}, {{&(0x7f0000001a00)=@abs, 0x6e, &(0x7f0000001bc0)=[{&(0x7f0000001a80)=""/59, 0x3b}, {&(0x7f0000001ac0)=""/122, 0x7a}, {&(0x7f0000001b40)=""/116, 0x74}], 0x3}}, {{&(0x7f0000001c00), 0x6e, &(0x7f0000001d40)=[{&(0x7f0000001c80)=""/136, 0x88}], 0x1, &(0x7f0000001d80)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x98}}, {{&(0x7f0000001e40), 0x6e, &(0x7f0000002400)=[{&(0x7f0000001ec0)=""/76, 0x4c}, {&(0x7f0000001f40)=""/30, 0x1e}, {&(0x7f0000001f80)=""/3, 0x3}, {&(0x7f0000001fc0)=""/207, 0xcf}, {&(0x7f00000020c0)=""/38, 0x26}, {&(0x7f0000002100)=""/86, 0x56}, {&(0x7f0000002180)=""/2, 0x2}, {&(0x7f00000021c0)=""/114, 0x72}, {&(0x7f0000002240)=""/217, 0xd9}, {&(0x7f0000002340)=""/186, 0xba}], 0xa, &(0x7f00000024c0)=[@rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x90}}], 0x6, 0x1, &(0x7f0000002700)={0x77359400}) preadv(r4, &(0x7f0000002880)=[{&(0x7f0000002740)=""/174, 0xae}, {&(0x7f0000002800)=""/106, 0x6a}], 0x2, 0x5, 0xffff8000) 14:57:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc008ae05) 14:57:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x60040) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000100)={'batadv_slave_1\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) r5 = fsmount(0xffffffffffffffff, 0x1, 0x40) sendmsg$RDMA_NLDEV_CMD_SYS_SET(r3, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="280000000714080025bd7000fb000000000001000100000008004400", @ANYRES32=r4, @ANYBLOB='\b\x00D\x00', @ANYRES32=r5, @ANYBLOB], 0x28}, 0x1, 0x0, 0x0, 0x800}, 0x10) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) mq_getsetattr(0xffffffffffffffff, &(0x7f0000000240)={0x9, 0x3f, 0xffffffffffffffff, 0x3}, &(0x7f0000000280)) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x2a0840, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 442.685418][T13937] block nbd1: shutting down sockets [ 442.748170][T13939] block nbd3: shutting down sockets [ 442.786374][T13941] block nbd4: shutting down sockets [ 442.835821][T13947] block nbd1: shutting down sockets [ 442.842275][T13949] block nbd3: shutting down sockets [ 442.875331][T13948] block nbd0: server does not support multiple connections per device. [ 442.894255][T13948] block nbd0: shutting down sockets [ 442.900700][T13947] block nbd1: Could not allocate knbd recv work queue. [ 442.907836][T13954] block nbd4: Device being setup by another task [ 442.929038][T13954] block nbd4: shutting down sockets [ 442.937204][T13962] block nbd2: shutting down sockets [ 442.945956][T13961] block nbd5: shutting down sockets 14:57:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041284) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3fd) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r3, 0x0) ioctl$BLKROSET(r3, 0x125d, &(0x7f00000000c0)=0x3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x800) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r5 = openat$incfs(r3, &(0x7f0000000100)='.log\x00', 0x600, 0x210) ioctl$NBD_SET_SOCK(r5, 0xab00, r2) [ 443.034821][T13962] block nbd2: Device being setup by another task [ 443.048431][T13965] block nbd2: Could not allocate knbd recv work queue. [ 443.066888][T13961] block nbd5: shutting down sockets 14:57:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0101282) 14:57:49 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 443.104665][T13965] block nbd2: shutting down sockets 14:57:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) getsockopt$IP_SET_OP_GET_FNAME(r3, 0x1, 0x53, &(0x7f00000000c0)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f0000000100)=0x2c) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r5 = syz_genetlink_get_family_id$smc(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$SMC_PNETID_FLUSH(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x30, r5, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@SMC_PNETID_IBPORT={0x5, 0x4, 0x1}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'veth1\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0) 14:57:50 executing program 2: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r0, 0x0) r1 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r1, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) r2 = syz_mount_image$zonefs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0xfffffffffffffff8, 0x1, &(0x7f00000001c0)=[{&(0x7f0000000140)="176de128fe591bd72ba93eb25e442f2845a512fcd064248ee7d34f9c883c229394df8f8b1111d87aa3c6bb1ede20fbc853e1a9e1ba43cfa93893a69e42a62176a7a04021", 0x44, 0x8}], 0x190820, &(0x7f0000000200)={[{}], [{@pcr={'pcr', 0x3d, 0x2d}}]}) ioctl$EXT4_IOC_SWAP_BOOT(r2, 0x6611) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x10000) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x3ff) r4 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r7 = syz_open_dev$audion(&(0x7f0000000280), 0xfff, 0x400) ioctl$NBD_SET_SOCK(r4, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 443.267920][T13971] block nbd3: shutting down sockets [ 443.276414][T13972] block nbd4: shutting down sockets [ 443.356058][T13976] block nbd3: shutting down sockets [ 443.369174][T13984] loop2: detected capacity change from 0 to 264192 [ 443.394821][T13982] block nbd4: Device being setup by another task [ 443.401217][T13982] block nbd4: shutting down sockets 14:57:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80041285) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0189436) [ 443.411171][T13978] block nbd0: server does not support multiple connections per device. [ 443.433145][T13978] block nbd0: shutting down sockets [ 443.491819][T13994] block nbd1: shutting down sockets [ 443.517415][T13987] block nbd5: shutting down sockets [ 443.575957][T13978] block nbd0: server does not support multiple connections per device. [ 443.631511][T13993] block nbd0: shutting down sockets 14:57:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x400200, 0xcf51508904b875a3) clock_gettime(0x0, &(0x7f0000004bc0)) recvmmsg$unix(r2, &(0x7f0000004a00)=[{{&(0x7f0000000100)=@abs, 0x6e, &(0x7f0000000200)=[{&(0x7f0000000180)=""/113, 0x71}, {&(0x7f0000000740)=""/4096, 0x1000}], 0x2, &(0x7f0000000240)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0x68}}, {{&(0x7f00000002c0), 0x6e, &(0x7f0000001980)=[{&(0x7f0000000340)=""/165, 0xa5}, {&(0x7f0000000400)=""/223, 0xdf}, {&(0x7f0000000500)=""/53, 0x35}, {&(0x7f0000000540)=""/115, 0x73}, {&(0x7f00000005c0)=""/196, 0xc4}, {&(0x7f00000006c0)=""/25, 0x19}, {&(0x7f0000001740)=""/135, 0x87}, {&(0x7f0000001800)=""/143, 0x8f}, {&(0x7f00000018c0)=""/190, 0xbe}], 0x9, &(0x7f0000002bc0)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000002c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=0xffffffffffffffff, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32, @ANYBLOB="00000000140000000000000001000000010c000011a9b0c3ea6b26fc534f498caa56a0f8", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0x80}}, {{&(0x7f0000001ac0), 0x6e, &(0x7f0000002b40)=[{&(0x7f0000001b40)=""/4096, 0x1000}], 0x1, &(0x7f0000004d00)=[@cred={{0x1c}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}], 0xe8}}, {{&(0x7f0000002c80)=@abs, 0x6e, &(0x7f0000002e40)=[{&(0x7f0000002d00)=""/163, 0xa3}, {&(0x7f0000002dc0)=""/93, 0x5d}], 0x2, &(0x7f0000004c40)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xb8}}, {{0x0, 0x0, &(0x7f0000004340)=[{&(0x7f0000002f40)=""/38, 0x26}, {&(0x7f0000002f80)=""/100, 0x64}, {&(0x7f0000003000)=""/4096, 0x1000}, {&(0x7f0000004000)=""/8, 0x8}, {&(0x7f0000004040)=""/146, 0x92}, {&(0x7f0000004100)=""/100, 0x64}, {&(0x7f0000004180)=""/165, 0xa5}, {&(0x7f0000004240)=""/215, 0xd7}], 0x8, &(0x7f00000043c0)=ANY=[@ANYBLOB="1c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000195118f9ab703c6", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xa0}}, {{&(0x7f0000004480)=@abs, 0x6e, &(0x7f0000004740)=[{&(0x7f0000004500)=""/43, 0x2b}, {&(0x7f0000004540)=""/211, 0xd3}, {&(0x7f0000004640)=""/251, 0xfb}], 0x3, &(0x7f0000004780)}}, {{&(0x7f00000047c0)=@abs, 0x6e, &(0x7f00000049c0)=[{&(0x7f0000004840)=""/204, 0xcc}, {&(0x7f0000004940)=""/100, 0x64}], 0x2}}], 0x7, 0x40000000, &(0x7f0000002e80)={0x77359400}) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r5, 0x0) ioctl$IOC_PR_PREEMPT(r5, 0x401870cb, &(0x7f0000001a40)={0x101, 0x80, 0x2, 0x7fffffff}) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f0000002b80), 0x0, 0x8000) [ 443.665968][T13987] block nbd5: Device being setup by another task [ 443.676030][T13999] block nbd3: shutting down sockets [ 443.685313][T13983] block nbd5: Could not allocate knbd recv work queue. [ 443.724669][T13977] block nbd1: Device being setup by another task [ 443.732073][T13994] block nbd1: shutting down sockets [ 443.749400][T14001] block nbd2: shutting down sockets [ 443.754994][T14005] block nbd5: shutting down sockets [ 443.858141][T13984] loop2: detected capacity change from 0 to 264192 14:57:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x400800) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x400) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 443.916506][T14024] block nbd3: shutting down sockets [ 443.934831][T14022] block nbd2: Could not allocate knbd recv work queue. [ 443.965285][T14021] block nbd4: Device being setup by another task [ 443.968014][T14022] block nbd2: shutting down sockets [ 443.988490][T14002] block nbd4: shutting down sockets 14:57:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_TIMEOUT(r3, 0xab09, 0x4450) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 14:57:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 444.073188][T14036] block nbd0: shutting down sockets [ 444.084754][T14021] block nbd4: Device being setup by another task [ 444.092723][T14002] block nbd4: shutting down sockets 14:57:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc020660b) [ 444.192696][T14043] block nbd5: shutting down sockets [ 444.223355][T14036] block nbd0: shutting down sockets [ 444.250852][T14034] block nbd1: shutting down sockets [ 444.324879][T14035] block nbd5: Device being setup by another task [ 444.346456][T14043] block nbd5: Could not allocate knbd recv work queue. [ 444.366460][T14034] block nbd1: Device being setup by another task [ 444.378839][T14058] block nbd3: Device being setup by another task [ 444.386596][T14052] block nbd1: Could not allocate knbd recv work queue. [ 444.395485][T14052] block nbd1: shutting down sockets 14:57:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) io_setup(0x80e, &(0x7f00000000c0)=0x0) r6 = open(&(0x7f0000000200)='./file0\x00', 0x10000, 0x42) r7 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r7, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) r8 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r8, &(0x7f0000000280), 0x18, 0xd9f, 0x0) socketpair(0x29, 0x2, 0x9, &(0x7f00000004c0)={0xffffffffffffffff}) ioctl$SIOCAX25DELFWD(r9, 0x89eb, &(0x7f0000000500)={@null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}}) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) write$binfmt_script(0xffffffffffffffff, &(0x7f0000001740)=ANY=[@ANYBLOB="2321202e2f66696c6530202f6465762f6e62642300200ab46206f6ae23c7ca1052ea88c744f7a31e530264b15fc8ede106e2daef35517c6c0d709f38ea34606a6c2d01f6c1e81d2a743fd1ff520b574e1354db0a1408b0f4067c68a8f86bb45d2db17477b379f8579c7423090041f77e6dc5ae0270f4101bee566ce246491081515b149d2de8316c654ad2629758e5777ccc93a1297e4b0d5b461045d3e9da507e7d80ec5d6897d8c279ca00000000f2ca57da4001112771af5c61e32da03411fd7b7da0cc564de479438e4f38b8000441611131244e452fc9c7"], 0x86) io_submit(r5, 0x5, &(0x7f0000000480)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x5, r3, &(0x7f0000000100)="fcfa7bd914d8aebefcb157b4f6647e18eb264e2262ab3daa6981aae16705befe0a2c2829e335964f57d5784aa8c261549ff97e32ffa76023960e812f597b3ad6b28d93c169785d931110f99e80ed1c323625c269eea907a68c6886d03c4eae28bbdd5ad1ec76d3cc567bcc3726721e26d010f6350f4ef5", 0x77, 0x1ff, 0x0, 0x2, r3}, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x7, 0x81, r4, &(0x7f00000001c0)="e6bcc3fc025efa7f83c92d7ff74a36823300e6ba97c5ea637283efcad24441f22cc678", 0x23, 0x8, 0x0, 0x6, r6}, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x2, r7, &(0x7f0000000280)="618774a580e6790caea4f3d0407149af65774a2c0f8557e33e9baee49ed342d24330997d74b3645f8d732f673d20ed5a012015c2b37f163b6e626f362a7f", 0x3e, 0xfffffffffffffeff, 0x0, 0x2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x3, 0x9df4, r1, &(0x7f0000000740)="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", 0x1000, 0x8, 0x0, 0x1}, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x3, 0xc0b2, r1, &(0x7f0000000340)="017c6a072c64b9f647016c96107684b5a70ffcedd9290d5634bc78a733b1ebd277cad48f7adcd932f213f783df34e817bfd3dac4efd50055735543b338709a91b4d2cb8124320ce0e1926146d04744e0ff53b3cca631d7a93256c4516dcfa40b176cee6153b5f53c181aba98653fcbc45be3b9e96cbcec2a3b99d06bb6e00f1f2eb35c582755e8a81c9fd2880cfdf54f5d070f0eebbd9a4cd5d1acb70a663d379b3f72699a125367c27a4ef28d13fe36be65863eba8fdb9e70e0aa2a34ced62be7479f6178357883c5a11100c916", 0xce, 0xaaba, 0x0, 0x0, r8}]) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 444.431847][T14043] block nbd5: shutting down sockets [ 444.440885][T14053] block nbd3: shutting down sockets [ 444.465758][T14054] block nbd4: shutting down sockets [ 444.480466][T14045] block nbd2: shutting down sockets [ 444.526664][T14058] block nbd3: shutting down sockets [ 444.564739][T14060] block nbd4: Device being setup by another task 14:57:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x3859c3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 444.573682][T14054] block nbd4: shutting down sockets 14:57:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x44a6c2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0389424) [ 444.792915][T14080] block nbd0: shutting down sockets 14:57:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x808800) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x88040) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 444.845677][T14077] block nbd5: server does not support multiple connections per device. [ 444.877295][T14077] block nbd5: shutting down sockets [ 444.908647][T14076] block nbd4: shutting down sockets [ 444.925266][T14079] block nbd2: shutting down sockets [ 444.934851][T14088] block nbd0: Device being setup by another task [ 444.963925][T14082] block nbd3: shutting down sockets [ 444.964623][T14084] block nbd5: Device being setup by another task [ 445.005274][T14076] block nbd4: shutting down sockets [ 445.024828][T14083] block nbd2: Device being setup by another task [ 445.034151][T14079] block nbd2: Could not allocate knbd recv work queue. [ 445.047731][T14089] block nbd5: shutting down sockets [ 445.053970][T14077] block nbd5: Could not allocate knbd recv work queue. [ 445.074666][T14079] block nbd2: shutting down sockets 14:57:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = accept4(r3, &(0x7f00000000c0)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, &(0x7f0000000140)=0x80, 0x800) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 445.119069][ T9160] block nbd0: Receive control failed (result -32) [ 445.127806][T14080] block nbd0: shutting down sockets 14:57:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80081280) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0481273) 14:57:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$incfs(0xffffffffffffffff, &(0x7f0000000100)='.log\x00', 0x101000, 0x1c1) bind$netlink(r3, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfd, 0x80000000}, 0xc) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f00007fe000/0x3000)=nil, 0x3000, 0x0, 0xb316fa6059f06ad1, r5, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000000c0), 0x7c1040, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r8 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000001c0), 0x181140, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 445.272140][T14101] block nbd1: shutting down sockets 14:57:52 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) write$binfmt_elf64(r1, &(0x7f0000000740)={{0x7f, 0x45, 0x4c, 0x46, 0x9b, 0x1, 0x7, 0x0, 0x200, 0x0, 0x3e, 0x2, 0x2d5, 0x40, 0x131, 0x5, 0x2, 0x38, 0x2, 0xfff, 0x8001, 0x2}, [{0x60000000, 0x1, 0x6, 0x4, 0x8001, 0x1, 0x8, 0x1}], "7d74d5399d0bfe54c35539f5e2757edef5f89d76f780d834a943dbafabcd594fe31323db4d27ecd0571dcb639a5688f1e8ed893a45f8dd1854ad33a8f3cde49839b512599c53", ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}, 0x9be) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 445.404531][T14098] block nbd1: Device being setup by another task [ 445.437173][T14119] block nbd1: shutting down sockets [ 445.446847][T14114] block nbd3: shutting down sockets [ 445.460291][T14123] block nbd2: shutting down sockets [ 445.500814][T14112] block nbd4: shutting down sockets [ 445.525120][T14120] block nbd0: server does not support multiple connections per device. [ 445.527630][T14113] block nbd5: shutting down sockets [ 445.550912][T14124] block nbd3: shutting down sockets [ 445.559495][ T9155] block nbd2: Receive control failed (result -32) [ 445.560264][T14123] block nbd2: shutting down sockets 14:57:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r4, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 445.579225][T14129] block nbd0: shutting down sockets [ 445.594805][T14133] block nbd4: Device being setup by another task [ 445.621849][T14133] block nbd4: shutting down sockets [ 445.664867][T14126] block nbd5: Device being setup by another task [ 445.680652][T14137] block nbd5: shutting down sockets 14:57:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x880) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$BLKTRACETEARDOWN(r1, 0x1276, 0x0) [ 445.707776][T14136] block nbd5: Could not allocate knbd recv work queue. 14:57:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0xf8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$SNDRV_PCM_IOCTL_PREPARE(r6, 0x4140, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 14:57:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x131000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000000c0)=""/28, 0x1c}], 0x1, &(0x7f0000000140)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x30, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x120}, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 445.765022][T14129] block nbd0: Device being setup by another task 14:57:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 445.817363][T14135] block nbd0: Could not allocate knbd recv work queue. [ 445.824292][T14120] block nbd0: shutting down sockets [ 445.884655][T14141] block nbd1: Device being setup by another task 14:57:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x83) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='cpuacct.usage_all\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r5 = syz_io_uring_complete(0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x0) [ 445.976921][T14139] block nbd1: shutting down sockets [ 446.006752][T14148] block nbd5: server does not support multiple connections per device. [ 446.023515][T14148] block nbd5: shutting down sockets [ 446.067726][T14151] block nbd3: shutting down sockets [ 446.068042][T14160] block nbd2: shutting down sockets [ 446.092511][T14141] block nbd1: Device being setup by another task [ 446.135710][T14148] block nbd5: server does not support multiple connections per device. [ 446.167974][T14169] block nbd5: shutting down sockets [ 446.185105][T14160] block nbd2: Device being setup by another task [ 446.199172][T14141] block nbd1: shutting down sockets [ 446.225083][T14174] block nbd0: server does not support multiple connections per device. [ 446.226245][T14167] block nbd2: Could not allocate knbd recv work queue. [ 446.245397][T14166] block nbd0: shutting down sockets [ 446.334740][T14174] block nbd0: Device being setup by another task [ 446.367841][T14147] block nbd2: shutting down sockets 14:57:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x80086601) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/cache_bypass\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 446.484650][T14166] block nbd0: Device being setup by another task [ 446.513402][T14177] block nbd0: shutting down sockets 14:57:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x224100) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r4, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000001, 0x4042053, r4, 0x6cd02000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x9) [ 446.600088][T14178] block nbd0: Device being setup by another task 14:57:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r1, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) sendfile(0xffffffffffffffff, r1, &(0x7f00000000c0)=0x800, 0x1f) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f00000001c0)=[{&(0x7f0000000140)=""/81, 0x51}], 0x1, 0xd9f, 0x0) ioctl$NBD_SET_BLKSIZE(r4, 0xab01, 0x1) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 446.807587][ T9155] block nbd4: Receive control failed (result -32) [ 446.815028][ T9160] block nbd4: Receive control failed (result -32) [ 446.827127][T14149] block nbd4: shutting down sockets [ 446.861197][T14188] block nbd3: shutting down sockets [ 446.877214][T14183] block nbd1: shutting down sockets [ 446.935772][T14192] block nbd4: Could not allocate knbd recv work queue. [ 446.942690][T14192] block nbd4: shutting down sockets [ 446.964824][T14194] block nbd1: Device being setup by another task [ 447.015087][T14201] block nbd3: shutting down sockets [ 447.019035][T14197] block nbd2: shutting down sockets [ 447.054620][T14185] block nbd1: Device being setup by another task 14:57:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x801c581f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.063969][T14191] block nbd5: shutting down sockets [ 447.071070][T14197] block nbd2: server does not support multiple connections per device. 14:57:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) [ 447.151495][T14202] block nbd2: shutting down sockets [ 447.194595][T14199] block nbd5: Device being setup by another task [ 447.201146][T14197] block nbd2: Device being setup by another task [ 447.240361][T14208] block nbd2: Could not allocate knbd recv work queue. [ 447.262470][T14191] block nbd5: Could not allocate knbd recv work queue. [ 447.275995][T14214] block nbd0: shutting down sockets 14:57:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x11, r2, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x400000, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101600) preadv(r4, &(0x7f00000006c0)=[{&(0x7f0000000140)=""/244, 0xf4}, {&(0x7f0000000240)=""/80, 0x50}, {&(0x7f00000002c0)=""/133, 0x85}, {&(0x7f0000000380)=""/177, 0xb1}, {&(0x7f0000000440)=""/191, 0xbf}, {&(0x7f0000000500)=""/245, 0xf5}, {&(0x7f0000000600)=""/80, 0x50}, {&(0x7f0000000680)=""/60, 0x3c}], 0x8, 0x1000, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.295862][T14209] block nbd5: Could not allocate knbd recv work queue. [ 447.309365][T14191] block nbd5: shutting down sockets 14:57:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x400102) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x531200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.451575][T14222] block nbd0: Device being setup by another task [ 447.464743][T14220] block nbd3: shutting down sockets 14:57:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x1840) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) openat$vsock(0xffffffffffffff9c, &(0x7f0000000080), 0x3a1200, 0x0) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r3, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r5, 0x0) r6 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2c041, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) openat(0xffffffffffffffff, &(0x7f0000000180)='./file0/file0\x00', 0x23b902, 0x2) r7 = open_tree(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x80900) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.594554][T14223] block nbd3: Device being setup by another task [ 447.601546][T14228] block nbd3: shutting down sockets [ 447.642731][T14235] block nbd2: shutting down sockets 14:57:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x6) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10a00) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x642001, 0x0) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x50, r3, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.667181][T14205] block nbd0: shutting down sockets 14:57:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x81009431) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.737456][T14238] block nbd2: shutting down sockets [ 447.744553][T14236] block nbd1: Device being setup by another task [ 447.751910][T14233] block nbd1: server does not support multiple connections per device. [ 447.766977][T14233] block nbd1: shutting down sockets 14:57:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) ioctl$NBD_CLEAR_QUE(r0, 0xab05) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 447.878087][T14236] block nbd1: Device being setup by another task [ 447.898135][T14242] nbd5: detected capacity change from 0 to 12 [ 447.943207][T14245] block nbd5: shutting down sockets [ 447.944607][T14233] block nbd1: Device being setup by another task [ 447.972007][T14243] block nbd1: Could not allocate knbd recv work queue. [ 447.987660][T14249] block nbd3: shutting down sockets [ 448.006635][T14246] block nbd1: shutting down sockets [ 448.055926][T14254] block nbd5: Could not allocate knbd recv work queue. [ 448.080957][T14259] block nbd3: shutting down sockets [ 448.101229][T14256] block nbd5: shutting down sockets [ 448.151677][T14261] block nbd2: Device being setup by another task [ 448.156523][ T9160] block nbd4: Receive control failed (result -32) [ 448.158161][ T9155] block nbd4: Receive control failed (result -32) [ 448.171886][T14221] block nbd4: shutting down sockets 14:57:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x400240) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x189c01) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f00000002c0), 0x0, 0x80001) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$sock_int(r4, 0x1, 0x2d, &(0x7f0000000100)=0x7, 0x4) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000240)={&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffa000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffb000/0x1000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff3000/0xd000)=nil, &(0x7f0000000140)="a38f0919266c043194b585c382e3a6a3d0e856500e81ca68e90b465a530687e34c98ff03fee7f471ec49b2b5695120d48feb5cfb2595f7891236821873fc3637478bf8e666218f20bc1bf47c720f1b9fb32d1e84048f2eebb37d23ab4e8434b3844c929015a00bd7670290b7a1f13297fc844ea8332e8de14d8825363812770d3076cffb32f013a2f1033488de30a979e97e1115a65476ad5634f8a43da07ad43796a02c9dc300ea27f1a27ddce72d0ba2bb207fcf02d31f639c815aeb3a867ddf1cf32585f6ef3c67", 0xc9, r4}, 0x68) 14:57:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0x8138ae83) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3fd) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 448.215423][T14263] block nbd0: Device being setup by another task [ 448.253246][T14263] block nbd0: shutting down sockets [ 448.307653][T14265] block nbd2: shutting down sockets [ 448.345312][T14264] block nbd4: Device being setup by another task [ 448.351717][T14264] block nbd4: shutting down sockets 14:57:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x1) [ 448.395165][T14263] block nbd0: Device being setup by another task [ 448.402051][ T9155] block nbd0: Receive control failed (result -32) [ 448.404890][T14279] block nbd0: shutting down sockets [ 448.415484][T14261] block nbd2: shutting down sockets [ 448.438261][T14257] block nbd2: Could not allocate knbd recv work queue. [ 448.458622][T14277] block nbd3: shutting down sockets 14:57:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 448.607996][T14283] block nbd5: shutting down sockets [ 448.638081][T14290] block nbd3: shutting down sockets 14:57:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = signalfd4(r0, &(0x7f00000000c0)={[0x100000000]}, 0x8, 0x100400) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 14:57:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, 0xffffffffffffffff, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000, 0x0) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r3, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r4, &(0x7f0000000280), 0x0, 0xd9f, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_QUE(r5, 0xab05) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x0, 0xff, 0xfffffffd) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 448.927857][T14295] nbd4: detected capacity change from 0 to 2 [ 449.037471][T14299] block nbd1: shutting down sockets [ 449.065217][T14307] block nbd5: shutting down sockets [ 449.080580][T14312] block nbd2: shutting down sockets [ 449.107185][T14313] block nbd3: shutting down sockets [ 449.184468][T14312] block nbd2: Device being setup by another task [ 449.260982][T14304] block nbd0: shutting down sockets [ 449.371927][T14330] block nbd1: Could not allocate knbd recv work queue. [ 449.419859][T14331] block nbd1: shutting down sockets 14:57:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x4) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 449.445748][T14324] block nbd3: Device being setup by another task [ 449.452196][T14327] block nbd3: shutting down sockets 14:57:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3fd) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800007, 0x12, r3, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 14:57:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab08) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 14:57:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$vcsa(&(0x7f0000000200), 0x4, 0x20540) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_START_SYNC(r2, 0x80089418, &(0x7f0000000000)=0x0) r5 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r5, 0x890c, &(0x7f00000012c0)={0x0, @l2tp={0x2, 0x0, @empty, 0xfffffffc}, @l2={0x1f, 0x4, @none, 0x5, 0x1}, @nl=@unspec, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000300)='veth0_macvtap\x00', 0x1, 0x10000000000000, 0x1}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r5, 0x81f8943c, &(0x7f0000001640)={0x0, ""/256, 0x0, 0x0, 0x0, 0x0, ""/16, ""/16, ""/16, 0x0, 0x0, 0x0}) ioctl$BTRFS_IOC_SUBVOL_CREATE_V2(r3, 0x50009418, &(0x7f0000000380)={{r2}, r6, 0x8, @unused=[0x40, 0x7, 0x7fffffff, 0x9], @devid}) ioctl$BTRFS_IOC_SNAP_DESTROY_V2(r2, 0x5000943f, &(0x7f00000002c0)={{r1}, r4, 0xc, @unused=[0x2, 0x80, 0x9, 0x200000000006d9c], @devid}) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f00000001c0)={0x6, 0x2, {0x9, @usage=0x7, 0x0, 0x0, 0x7ff, 0x5, 0x8000, 0x4, 0x39, @usage=0x2, 0x6, 0x8, [0x8, 0x8a5, 0x0, 0x1000, 0x96, 0xffffffffffffffff]}, {0x3ff, @struct={0x9, 0xfffff3d6}, 0x0, 0x6da, 0x6, 0x0, 0x800, 0x8, 0x7359334733f26217, @usage=0x80, 0x9, 0x1, [0x2, 0x7, 0x5, 0x5, 0x1, 0x80000001]}, {0x3, @usage=0x5, 0x0, 0x10, 0x3, 0x7, 0x2, 0x0, 0x20, @struct={0x26a, 0x3}, 0x33f, 0xfffffffc, [0x3, 0x10000, 0x1, 0x2, 0x400, 0xd]}, {0xffffffff00000001, 0x401, 0x5d7d}}) ioctl$BTRFS_IOC_SNAP_DESTROY_V2(0xffffffffffffffff, 0x5000943f, &(0x7f0000000740)={{}, r4, 0x10, @inherit={0x60, &(0x7f0000000140)={0x0, 0x3, 0x7fffffff, 0x9, {0x10, 0x6, 0x2, 0x3, 0x2}, [0x0, 0xffffffffffff879e, 0x800]}}, @devid=r7}) r8 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) r10 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$NBD_DO_IT(r10, 0xab03) ioctl$NBD_CLEAR_SOCK(r8, 0xab04) [ 449.785130][T14338] block nbd5: server does not support multiple connections per device. [ 449.801808][T14338] block nbd5: shutting down sockets [ 449.913695][T14343] block nbd3: shutting down sockets [ 449.937166][T14342] block nbd1: shutting down sockets [ 449.937282][T14344] block nbd2: shutting down sockets [ 449.953559][T14349] block nbd0: shutting down sockets [ 449.975650][T14352] block nbd5: Device being setup by another task [ 449.995730][T14351] block nbd1: Device being setup by another task [ 450.002218][T14347] block nbd0: Device being setup by another task [ 450.034519][T14348] block nbd3: Device being setup by another task [ 450.044469][T14348] block nbd3: shutting down sockets [ 450.046490][T14356] block nbd5: Device being setup by another task [ 450.054717][T14359] block nbd1: Device being setup by another task 14:57:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f0000000100)={0xa10000, 0xd960, 0xfffffff8, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x98092a, 0x0, '\x00', @value64=0x401}}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x8, 0x20010, r3, 0x9bb53000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 450.095760][T14350] block nbd2: Device being setup by another task [ 450.139864][T14338] block nbd5: server does not support multiple connections per device. [ 450.441443][T14368] block nbd0: shutting down sockets [ 450.644359][T14373] block nbd0: Device being setup by another task [ 450.650822][T14374] block nbd0: shutting down sockets [ 451.591148][T14301] block nbd4: shutting down sockets [ 501.050662][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 501.057026][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 [ 562.486261][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 562.492571][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 [ 600.250896][ T26] INFO: task systemd-udevd:8754 blocked for more than 143 seconds. [ 600.258829][ T26] Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 600.267827][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.278555][ T26] task:systemd-udevd state:D stack:26496 pid: 8754 ppid: 2984 flags:0x00004000 [ 600.297040][ T26] Call Trace: [ 600.300348][ T26] __schedule+0x949/0x2710 [ 600.312535][ T26] ? io_schedule_timeout+0x140/0x140 [ 600.317861][ T26] ? preempt_schedule_thunk+0x16/0x18 [ 600.335932][ T26] ? preempt_schedule_common+0x59/0xc0 [ 600.348387][ T26] schedule+0xd3/0x290 [ 600.355701][ T26] io_schedule+0xba/0x130 [ 600.360060][ T26] folio_wait_bit_common+0x4f2/0xa60 [ 600.372511][ T26] ? file_write_and_wait_range+0x1e0/0x1e0 [ 600.378362][ T26] ? end_buffer_async_read_io+0x300/0x300 [ 600.393764][ T26] ? folio_end_writeback+0x280/0x280 [ 600.399093][ T26] ? alloc_pages+0x1ab/0x2d0 [ 600.404343][ T26] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 600.411192][ T26] do_read_cache_page+0x988/0x11a0 [ 600.416333][ T26] read_part_sector+0x146/0x620 [ 600.422224][ T26] ? adfspart_check_ADFS+0x800/0x800 [ 600.427536][ T26] adfspart_check_ICS+0x9d/0xc90 [ 600.433470][ T26] ? pointer+0xa00/0xa00 [ 600.437818][ T26] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 600.445117][ T26] ? adfspart_check_ADFS+0x800/0x800 [ 600.450429][ T26] ? snprintf+0xbb/0xf0 [ 600.455179][ T26] ? vsprintf+0x30/0x30 [ 600.459360][ T26] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 600.466016][ T26] ? adfspart_check_ADFS+0x800/0x800 [ 600.471724][ T26] bdev_disk_changed+0x7ac/0x1150 [ 600.476792][ T26] blkdev_get_whole+0x216/0x420 [ 600.483136][ T26] ? disk_block_events+0x1d/0x130 [ 600.488247][ T26] blkdev_get_by_dev.part.0+0x31e/0xd40 [ 600.494428][ T26] ? devcgroup_check_permission+0x1bb/0x410 [ 600.500437][ T26] blkdev_open+0x295/0x300 [ 600.505065][ T26] do_dentry_open+0x4c8/0x11d0 [ 600.509926][ T26] ? blkdev_get_by_dev+0x80/0x80 [ 600.515227][ T26] path_openat+0x1c23/0x27f0 [ 600.519854][ T26] ? path_lookupat+0x860/0x860 [ 600.525012][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 600.534967][ T26] do_filp_open+0x1aa/0x400 [ 600.539496][ T26] ? may_open_dev+0xf0/0xf0 [ 600.544387][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 600.549396][ T26] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 600.556229][ T26] ? _find_next_bit+0x1e3/0x260 [ 600.561583][ T26] ? _raw_spin_unlock+0x24/0x40 [ 600.566458][ T26] ? alloc_fd+0x2f0/0x670 [ 600.571214][ T26] do_sys_openat2+0x16d/0x420 [ 600.575920][ T26] ? build_open_flags+0x6f0/0x6f0 [ 600.581417][ T26] ? __context_tracking_exit+0xb8/0xe0 [ 600.586904][ T26] __x64_sys_open+0x119/0x1c0 [ 600.592024][ T26] ? do_sys_open+0x140/0x140 [ 600.597397][ T26] ? __secure_computing+0x104/0x360 [ 600.603302][ T26] do_syscall_64+0x35/0xb0 [ 600.607751][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.614098][ T26] RIP: 0033:0x7f5fed114840 [ 600.618535][ T26] RSP: 002b:00007ffc5c124448 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 600.627370][ T26] RAX: ffffffffffffffda RBX: 00005599b3cc13a0 RCX: 00007f5fed114840 [ 600.635976][ T26] RDX: 00005599b3a95fe3 RSI: 00000000000a0800 RDI: 00005599b3cc2990 [ 600.648718][ T26] RBP: 00007ffc5c1245c0 R08: 00005599b3a95670 R09: 0000000000000010 [ 600.657111][ T26] R10: 00005599b3a95d0c R11: 0000000000000246 R12: 00007ffc5c124510 [ 600.665261][ T26] R13: 00005599b3cae880 R14: 0000000000000003 R15: 000000000000000e [ 600.673386][ T26] INFO: task syz-executor.4:14289 can't die for more than 143 seconds. [ 600.681726][ T26] task:syz-executor.4 state:D stack:28176 pid:14289 ppid: 6628 flags:0x00000004 [ 600.691022][ T26] Call Trace: [ 600.694425][ T26] __schedule+0x949/0x2710 [ 600.699344][ T26] ? io_schedule_timeout+0x140/0x140 [ 600.704770][ T26] schedule+0xd3/0x290 [ 600.708848][ T26] schedule_preempt_disabled+0xf/0x20 [ 600.714315][ T26] __mutex_lock+0xa46/0x1300 [ 600.718914][ T26] ? find_held_lock+0x2d/0x110 [ 600.723774][ T26] ? blkdev_put+0x97/0x9e0 [ 600.728201][ T26] ? mutex_lock_io_nested+0x1160/0x1160 [ 600.734663][ T26] ? do_raw_spin_lock+0x120/0x2b0 [ 600.739714][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 600.748348][ T26] ? locks_check_ctx_file_list+0x1d/0x110 [ 600.756524][ T26] ? do_raw_spin_unlock+0x171/0x230 [ 600.764489][ T26] ? _raw_spin_unlock+0x24/0x40 [ 600.769366][ T26] ? locks_remove_file+0x2f9/0x570 [ 600.774742][ T26] blkdev_put+0x97/0x9e0 [ 600.779024][ T26] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 600.785363][ T26] blkdev_close+0x8c/0xb0 [ 600.789699][ T26] __fput+0x288/0x920 [ 600.793752][ T26] ? blkdev_put+0x9e0/0x9e0 [ 600.798264][ T26] task_work_run+0xdd/0x1a0 [ 600.803781][ T26] exit_to_user_mode_prepare+0x27e/0x290 [ 600.809676][ T26] syscall_exit_to_user_mode+0x19/0x60 [ 600.815224][ T26] do_syscall_64+0x42/0xb0 [ 600.819656][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.825620][ T26] RIP: 0033:0x4193fb [ 600.829514][ T26] RSP: 002b:00007ffe4bdfa630 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 600.837994][ T26] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193fb [ 600.846071][ T26] RDX: 0000001b2f823d08 RSI: ffffffff8135a2f2 RDI: 0000000000000003 [ 600.854112][ T26] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2f8230fc [ 600.864116][ T26] R10: 0000000000001ac6 R11: 0000000000000293 R12: 000000000056cb00 [ 600.875020][ T26] R13: 000000000056cb00 R14: 000000000056bf80 R15: 000000000006d8e0 [ 600.883502][ T26] ? __cpu_to_node+0x82/0xb0 [ 600.888418][ T26] INFO: task syz-executor.4:14289 blocked for more than 144 seconds. [ 600.896540][ T26] Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 600.904462][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.913288][ T26] task:syz-executor.4 state:D stack:28176 pid:14289 ppid: 6628 flags:0x00000004 [ 600.922588][ T26] Call Trace: [ 600.925895][ T26] __schedule+0x949/0x2710 [ 600.930308][ T26] ? io_schedule_timeout+0x140/0x140 [ 600.935702][ T26] schedule+0xd3/0x290 [ 600.939786][ T26] schedule_preempt_disabled+0xf/0x20 [ 600.945247][ T26] __mutex_lock+0xa46/0x1300 [ 600.949858][ T26] ? find_held_lock+0x2d/0x110 [ 600.954729][ T26] ? blkdev_put+0x97/0x9e0 [ 600.959156][ T26] ? mutex_lock_io_nested+0x1160/0x1160 [ 600.964869][ T26] ? do_raw_spin_lock+0x120/0x2b0 [ 600.969985][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 600.975696][ T26] ? locks_check_ctx_file_list+0x1d/0x110 [ 600.984699][ T26] ? do_raw_spin_unlock+0x171/0x230 [ 600.989913][ T26] ? _raw_spin_unlock+0x24/0x40 [ 600.995870][ T26] ? locks_remove_file+0x2f9/0x570 [ 601.001084][ T26] blkdev_put+0x97/0x9e0 [ 601.006041][ T26] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 601.012383][ T26] blkdev_close+0x8c/0xb0 [ 601.016728][ T26] __fput+0x288/0x920 [ 601.020804][ T26] ? blkdev_put+0x9e0/0x9e0 [ 601.025326][ T26] task_work_run+0xdd/0x1a0 [ 601.029956][ T26] exit_to_user_mode_prepare+0x27e/0x290 [ 601.035697][ T26] syscall_exit_to_user_mode+0x19/0x60 [ 601.044756][ T26] do_syscall_64+0x42/0xb0 [ 601.049212][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 601.058859][ T26] RIP: 0033:0x4193fb [ 601.065994][ T26] RSP: 002b:00007ffe4bdfa630 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 601.077226][ T26] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193fb [ 601.088120][ T26] RDX: 0000001b2f823d08 RSI: ffffffff8135a2f2 RDI: 0000000000000003 [ 601.099243][ T26] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2f8230fc [ 601.109527][ T26] R10: 0000000000001ac6 R11: 0000000000000293 R12: 000000000056cb00 [ 601.117616][ T26] R13: 000000000056cb00 R14: 000000000056bf80 R15: 000000000006d8e0 [ 601.127032][ T26] ? __cpu_to_node+0x82/0xb0 [ 601.131800][ T26] [ 601.131800][ T26] Showing all locks held in the system: [ 601.139514][ T26] 1 lock held by khungtaskd/26: [ 601.144412][ T26] #0: ffffffff8b97e980 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 601.154447][ T26] 1 lock held by in:imklog/6267: [ 601.159418][ T26] #0: ffff88801d0aaff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 601.168950][ T26] 1 lock held by systemd-udevd/8754: [ 601.174332][ T26] #0: ffff88801af86d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x98/0xd40 [ 601.184977][ T26] 1 lock held by syz-executor.4/14289: [ 601.190493][ T26] #0: ffff88801af86d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x97/0x9e0 [ 601.199936][ T26] [ 601.205626][ T26] ============================================= [ 601.205626][ T26] [ 601.217035][ T26] NMI backtrace for cpu 1 [ 601.221376][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 601.230744][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.240791][ T26] Call Trace: [ 601.244066][ T26] dump_stack_lvl+0xcd/0x134 [ 601.248667][ T26] nmi_cpu_backtrace.cold+0x28/0x11b [ 601.253951][ T26] ? lapic_can_unplug_cpu+0x80/0x80 [ 601.259219][ T26] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 601.265201][ T26] watchdog+0xcb7/0xed0 [ 601.269357][ T26] ? trace_sched_process_hang+0x280/0x280 [ 601.275074][ T26] kthread+0x3e5/0x4d0 [ 601.279139][ T26] ? set_kthread_struct+0x130/0x130 [ 601.284338][ T26] ret_from_fork+0x1f/0x30 [ 601.289021][ T26] Sending NMI from CPU 1 to CPUs 0: [ 601.294274][ C0] NMI backtrace for cpu 0 [ 601.294284][ C0] CPU: 0 PID: 1218 Comm: kworker/u4:5 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 601.294307][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.294320][ C0] Workqueue: bat_events batadv_nc_worker [ 601.294418][ C0] RIP: 0010:kasan_check_range+0x12b/0x180 [ 601.294466][ C0] Code: 3a 00 74 ef 49 8d 04 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a <5b> b8 01 00 00 00 5d 41 5c c3 44 89 c2 e8 73 f0 ff ff 5b 83 f0 01 [ 601.294487][ C0] RSP: 0018:ffffc9000518fa48 EFLAGS: 00000046 [ 601.294502][ C0] RAX: fffffbfff1f9bd15 RBX: fffffbfff1f9bd15 RCX: ffffffff815acfbc [ 601.294517][ C0] RDX: fffffbfff1f9bd15 RSI: 0000000000000008 RDI: ffffffff8fcde8a0 [ 601.294530][ C0] RBP: fffffbfff1f9bd14 R08: 0000000000000000 R09: ffffffff8fcde8a7 [ 601.294543][ C0] R10: fffffbfff1f9bd14 R11: 0000000000000000 R12: ffff88801ce2dfc8 [ 601.294557][ C0] R13: ffff88801ce2d580 R14: 0000000000020000 R15: 0000000000000002 [ 601.294571][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 601.294590][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 601.294604][ C0] CR2: 000000c0239edb08 CR3: 000000000b68e000 CR4: 00000000001506f0 [ 601.294637][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 601.294649][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 601.294662][ C0] Call Trace: [ 601.294669][ C0] __lock_acquire+0x47c/0x54a0 [ 601.294696][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 601.294722][ C0] lock_acquire+0x1ab/0x510 [ 601.294741][ C0] ? batadv_nc_worker+0xf3/0xe50 [ 601.294763][ C0] ? lock_release+0x720/0x720 [ 601.294783][ C0] ? batadv_nc_worker+0x74f/0xe50 [ 601.294804][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 601.294828][ C0] batadv_nc_worker+0x12d/0xe50 [ 601.294849][ C0] ? batadv_nc_worker+0xf3/0xe50 [ 601.294875][ C0] process_one_work+0x98d/0x1630 [ 601.294904][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 601.294932][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 601.294952][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 601.294980][ C0] worker_thread+0x658/0x11f0 [ 601.295009][ C0] ? process_one_work+0x1630/0x1630 [ 601.295035][ C0] kthread+0x3e5/0x4d0 [ 601.295056][ C0] ? set_kthread_struct+0x130/0x130 [ 601.295080][ C0] ret_from_fork+0x1f/0x30 [ 601.298890][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 601.536929][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 601.546294][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.556342][ T26] Call Trace: [ 601.559604][ T26] dump_stack_lvl+0xcd/0x134 [ 601.564192][ T26] panic+0x2b0/0x6dd [ 601.568098][ T26] ? __warn_printk+0xf3/0xf3 [ 601.572680][ T26] ? lapic_can_unplug_cpu+0x80/0x80 [ 601.577867][ T26] ? preempt_schedule_thunk+0x16/0x18 [ 601.583224][ T26] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 601.589362][ T26] ? watchdog.cold+0x1b9/0x1de [ 601.594135][ T26] watchdog.cold+0x1ca/0x1de [ 601.598711][ T26] ? trace_sched_process_hang+0x280/0x280 [ 601.604414][ T26] kthread+0x3e5/0x4d0 [ 601.608467][ T26] ? set_kthread_struct+0x130/0x130 [ 601.613664][ T26] ret_from_fork+0x1f/0x30 [ 601.619478][ T26] Kernel Offset: disabled [ 601.623837][ T26] Rebooting in 86400 seconds..