d_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 154.845215][T10131] block nbd2: shutting down sockets [ 154.855271][ T8309] block nbd0: Receive control failed (result -22) [ 154.865098][T10135] block nbd0: shutting down sockets [ 154.878947][T10134] block nbd5: shutting down sockets 06:52:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 154.969425][ T8309] block nbd3: Receive control failed (result -22) [ 154.976198][ T8358] block nbd3: Receive control failed (result -22) [ 154.982107][T10155] block nbd2: server does not support multiple connections per device. [ 154.992982][T10146] block nbd3: shutting down sockets [ 154.998441][ T8309] block nbd4: Receive control failed (result -22) [ 155.006312][T10144] block nbd4: shutting down sockets [ 155.010240][ T8309] block nbd0: Receive control failed (result -22) [ 155.028170][T10152] block nbd0: shutting down sockets [ 155.051744][T10150] block nbd2: shutting down sockets 06:52:21 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x0, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.091071][T10164] block nbd5: server does not support multiple connections per device. [ 155.119372][T10163] block nbd5: shutting down sockets 06:52:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 155.178322][ T8309] block nbd4: Receive control failed (result -22) [ 155.184868][ T8358] block nbd3: Receive control failed (result -22) [ 155.193801][T10165] block nbd4: shutting down sockets [ 155.211632][ T8358] block nbd3: Receive control failed (result -22) [ 155.219431][T10170] block nbd3: shutting down sockets 06:52:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.229780][T10181] block nbd2: server does not support multiple connections per device. [ 155.258435][ T8358] block nbd0: Receive control failed (result -22) [ 155.270060][T10168] block nbd0: shutting down sockets 06:52:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.279265][T10184] block nbd5: shutting down sockets [ 155.297880][T10174] block nbd2: shutting down sockets 06:52:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.338897][ T8358] block nbd4: Receive control failed (result -22) [ 155.346787][T10187] block nbd4: shutting down sockets 06:52:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.387354][ T8309] block nbd3: Receive control failed (result -22) [ 155.387358][ T8358] block nbd3: Receive control failed (result -22) [ 155.418011][T10195] block nbd5: shutting down sockets 06:52:22 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x0, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 155.437549][T10199] block nbd2: server does not support multiple connections per device. [ 155.470432][T10192] block nbd3: shutting down sockets 06:52:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 155.497456][T10197] block nbd2: shutting down sockets [ 155.505743][ T8358] block nbd4: Receive control failed (result -22) [ 155.521602][T10201] block nbd4: shutting down sockets [ 155.538746][ T8358] block nbd0: Receive control failed (result -22) [ 155.566314][T10200] block nbd0: shutting down sockets 06:52:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.587531][T10209] block nbd5: shutting down sockets 06:52:22 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x0, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.655855][T10224] block nbd2: server does not support multiple connections per device. [ 155.665363][ T8358] block nbd4: Receive control failed (result -22) [ 155.678931][T10219] block nbd4: shutting down sockets [ 155.721496][ T8358] block nbd3: Receive control failed (result -22) [ 155.736471][T10217] block nbd3: shutting down sockets 06:52:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.777806][T10221] block nbd2: shutting down sockets [ 155.783718][ T8358] block nbd0: Receive control failed (result -22) [ 155.792117][T10227] block nbd0: shutting down sockets [ 155.836825][ T8358] block nbd5: Receive control failed (result -22) [ 155.855346][ T8358] block nbd4: Receive control failed (result -22) [ 155.855735][T10230] block nbd5: shutting down sockets [ 155.872084][T10240] block nbd4: shutting down sockets 06:52:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.882876][ T8358] block nbd3: Receive control failed (result -22) [ 155.891722][T10242] block nbd3: shutting down sockets 06:52:22 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:22 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0x0, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 155.964146][T10247] block nbd2: server does not support multiple connections per device. [ 156.005896][ T8358] block nbd0: Receive control failed (result -22) [ 156.014041][T10248] block nbd0: shutting down sockets [ 156.024135][T10246] block nbd2: shutting down sockets [ 156.040122][ T8358] block nbd4: Receive control failed (result -22) [ 156.043156][ T8309] block nbd3: Receive control failed (result -22) 06:52:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.055205][T10251] block nbd3: shutting down sockets [ 156.062096][T10252] block nbd4: shutting down sockets 06:52:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:22 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0x0, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 156.119381][ T8309] block nbd5: Receive control failed (result -22) [ 156.135230][ T8309] block nbd5: Receive control failed (result -22) [ 156.156414][T10256] block nbd5: shutting down sockets 06:52:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.184344][T10271] block nbd2: server does not support multiple connections per device. [ 156.194053][ T8309] block nbd0: Receive control failed (result -22) [ 156.201725][T10267] block nbd0: shutting down sockets [ 156.218115][ T8309] block nbd4: Receive control failed (result -22) [ 156.227398][ T8309] block nbd3: Receive control failed (result -22) [ 156.231824][T10273] block nbd4: shutting down sockets [ 156.239840][T10272] block nbd3: shutting down sockets 06:52:23 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 156.282704][T10269] block nbd2: shutting down sockets 06:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 156.320023][ T8309] block nbd5: Receive control failed (result -22) [ 156.331486][ T8309] block nbd5: Receive control failed (result -22) [ 156.339248][T10278] block nbd5: shutting down sockets [ 156.386013][ T8309] block nbd4: Receive control failed (result -22) [ 156.399859][T10287] block nbd4: shutting down sockets [ 156.412968][T10291] block nbd2: shutting down sockets 06:52:23 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0x0, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.433096][ T8309] block nbd0: Receive control failed (result -22) [ 156.440787][ T8309] block nbd3: Receive control failed (result -22) [ 156.448891][T10294] block nbd3: shutting down sockets [ 156.465761][T10289] block nbd0: shutting down sockets 06:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.539655][ T8309] block nbd5: Receive control failed (result -22) [ 156.546913][ T8309] block nbd5: Receive control failed (result -22) [ 156.560847][T10300] block nbd5: shutting down sockets [ 156.570561][T10307] block nbd2: shutting down sockets 06:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.614834][ T8309] block nbd4: Receive control failed (result -22) [ 156.629406][ T8309] block nbd3: Receive control failed (result -22) [ 156.629410][ T8358] block nbd0: Receive control failed (result -22) [ 156.644118][T10309] block nbd0: shutting down sockets [ 156.651876][T10310] block nbd4: shutting down sockets 06:52:23 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x0, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 156.693179][T10312] block nbd3: shutting down sockets 06:52:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 156.737495][T10323] block nbd5: server does not support multiple connections per device. [ 156.766718][T10322] block nbd2: shutting down sockets [ 156.788460][ T8309] block nbd0: Receive control failed (result -22) [ 156.788648][T10321] block nbd5: shutting down sockets [ 156.812304][ T8309] block nbd4: Receive control failed (result -22) [ 156.819949][T10328] block nbd4: shutting down sockets 06:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.836148][T10325] block nbd0: shutting down sockets 06:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 156.946979][T10341] block nbd5: server does not support multiple connections per device. [ 156.959948][T10342] block nbd3: shutting down sockets [ 156.963817][T10338] block nbd5: shutting down sockets 06:52:23 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x0, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 156.998814][ T8358] block nbd2: Receive control failed (result -22) [ 156.998818][ T8309] block nbd2: Receive control failed (result -22) [ 157.016319][ T8358] block nbd0: Receive control failed (result -22) [ 157.016859][ T8309] block nbd4: Receive control failed (result -22) [ 157.043646][T10339] block nbd2: shutting down sockets 06:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.050602][T10343] block nbd0: shutting down sockets [ 157.062995][T10340] block nbd4: shutting down sockets [ 157.087791][T10353] block nbd3: shutting down sockets 06:52:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.135017][T10359] block nbd5: server does not support multiple connections per device. [ 157.165277][T10358] block nbd5: shutting down sockets [ 157.199390][T10362] block nbd3: shutting down sockets 06:52:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:23 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x0, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 157.228919][ T8309] block nbd0: Receive control failed (result -22) [ 157.236823][T10365] block nbd0: shutting down sockets [ 157.262888][ T8309] block nbd2: Receive control failed (result -22) [ 157.270198][ T8309] block nbd2: Receive control failed (result -22) 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.283410][ T8309] block nbd4: Receive control failed (result -22) [ 157.291086][T10369] block nbd4: shutting down sockets [ 157.296068][T10364] block nbd2: shutting down sockets 06:52:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 157.337749][ T8358] block nbd5: Receive control failed (result -22) [ 157.337753][ T8309] block nbd5: Receive control failed (result -22) [ 157.353285][T10375] block nbd5: shutting down sockets 06:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.389045][ T8309] block nbd0: Receive control failed (result -22) [ 157.396881][T10379] block nbd0: shutting down sockets [ 157.420149][ T8309] block nbd3: Receive control failed (result -22) 06:52:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.443463][T10385] block nbd3: shutting down sockets [ 157.491683][ T8309] block nbd0: Receive control failed (result -22) [ 157.498518][ T8358] block nbd2: Receive control failed (result -22) [ 157.498523][ T8135] block nbd2: Receive control failed (result -22) [ 157.512123][T10391] block nbd0: shutting down sockets 06:52:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:52:24 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x0, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 157.544474][ T8358] block nbd4: Receive control failed (result -22) [ 157.554760][ T8358] block nbd5: Receive control failed (result -22) [ 157.562172][ T8358] block nbd5: Receive control failed (result -22) [ 157.569146][T10400] block nbd5: shutting down sockets [ 157.578082][T10389] block nbd4: shutting down sockets 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.606852][T10392] block nbd2: shutting down sockets 06:52:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.627740][ T8309] block nbd3: Receive control failed (result -22) [ 157.651980][T10405] block nbd3: shutting down sockets [ 157.676716][T10414] block nbd0: server does not support multiple connections per device. 06:52:24 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 157.722386][T10419] block nbd2: server does not support multiple connections per device. [ 157.725967][T10410] block nbd0: shutting down sockets [ 157.764183][ T8309] block nbd5: Receive control failed (result -22) [ 157.771493][ T8358] block nbd5: Receive control failed (result -22) [ 157.779587][T10421] block nbd5: shutting down sockets [ 157.781836][T10416] block nbd2: shutting down sockets [ 157.803697][ T8309] block nbd4: Receive control failed (result -22) 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.812133][T10412] block nbd4: shutting down sockets 06:52:24 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x0, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.849871][ T8309] block nbd3: Receive control failed (result -22) [ 157.858215][T10427] block nbd3: shutting down sockets [ 157.879032][T10432] block nbd0: server does not support multiple connections per device. 06:52:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 157.927351][T10439] block nbd2: server does not support multiple connections per device. [ 157.931602][T10431] block nbd0: shutting down sockets [ 157.946382][T10436] block nbd2: shutting down sockets 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 157.982011][ T8309] block nbd4: Receive control failed (result -22) [ 157.989779][T10442] block nbd4: shutting down sockets [ 158.002016][ T8309] block nbd5: Receive control failed (result -22) [ 158.017240][ T8309] block nbd3: Receive control failed (result -22) [ 158.026103][T10446] block nbd3: shutting down sockets 06:52:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.029474][T10433] block nbd5: shutting down sockets 06:52:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x0, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 158.092382][T10452] block nbd0: server does not support multiple connections per device. [ 158.107076][T10453] block nbd2: server does not support multiple connections per device. [ 158.136598][T10449] block nbd0: shutting down sockets [ 158.150626][T10451] block nbd2: shutting down sockets [ 158.175467][ T8309] block nbd4: Receive control failed (result -22) 06:52:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.183043][T10455] block nbd4: shutting down sockets [ 158.202678][ T8309] block nbd5: Receive control failed (result -22) [ 158.211648][T10456] block nbd5: shutting down sockets [ 158.217694][ T8309] block nbd3: Receive control failed (result -22) [ 158.229530][T10461] block nbd3: shutting down sockets 06:52:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 158.307237][ T8309] block nbd4: Receive control failed (result -22) [ 158.324314][T10471] block nbd4: shutting down sockets [ 158.334864][T10475] block nbd0: server does not support multiple connections per device. [ 158.346850][ T8358] block nbd5: Receive control failed (result -22) [ 158.356533][T10470] block nbd5: shutting down sockets 06:52:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.380922][T10472] block nbd0: shutting down sockets [ 158.387534][ T8358] block nbd2: Receive control failed (result -22) [ 158.394882][ T8358] block nbd2: Receive control failed (result -22) [ 158.414026][ T8358] block nbd3: Receive control failed (result -22) [ 158.419940][T10478] block nbd2: shutting down sockets 06:52:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.436357][T10480] block nbd3: shutting down sockets 06:52:25 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x0, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 3: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 158.507854][ T8358] block nbd4: Receive control failed (result -22) [ 158.515918][T10485] block nbd4: shutting down sockets [ 158.534721][ T8358] block nbd5: Receive control failed (result -22) [ 158.543486][T10488] block nbd5: shutting down sockets 06:52:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.564429][T10496] block nbd0: server does not support multiple connections per device. [ 158.592651][T10493] block nbd0: shutting down sockets [ 158.595565][ T8358] block nbd2: Receive control failed (result -22) [ 158.606681][ T8358] block nbd2: Receive control failed (result -22) [ 158.614427][T10495] block nbd2: shutting down sockets 06:52:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x0, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 158.677564][ T8358] block nbd5: Receive control failed (result -22) [ 158.687472][T10552] block nbd5: shutting down sockets [ 158.695835][ T8358] block nbd4: Receive control failed (result -22) [ 158.704524][T10556] block nbd4: shutting down sockets 06:52:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 3: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.739201][T10609] block nbd0: server does not support multiple connections per device. [ 158.764026][T10608] block nbd0: shutting down sockets 06:52:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 158.807299][ T8358] block nbd2: Receive control failed (result -22) [ 158.807303][ T8309] block nbd2: Receive control failed (result -22) [ 158.830004][T10612] block nbd2: shutting down sockets 06:52:25 executing program 3: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.858285][ T8309] block nbd5: Receive control failed (result -22) [ 158.863363][ T8358] block nbd4: Receive control failed (result -22) [ 158.873095][T10620] block nbd4: shutting down sockets [ 158.895743][T10615] block nbd5: shutting down sockets 06:52:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 158.939861][T10627] block nbd0: shutting down sockets 06:52:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:25 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x0, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 158.996543][ T8358] block nbd2: Receive control failed (result -22) [ 158.996548][ T8309] block nbd2: Receive control failed (result -22) [ 159.032906][ T8358] block nbd4: Receive control failed (result -22) [ 159.041797][T10632] block nbd4: shutting down sockets 06:52:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.062392][T10633] block nbd2: shutting down sockets [ 159.073099][T10641] block nbd5: shutting down sockets 06:52:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 159.138313][T10647] block nbd0: shutting down sockets 06:52:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:25 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x0, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:25 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.220198][T10659] block nbd5: shutting down sockets [ 159.239749][ T8358] block nbd4: Receive control failed (result -22) [ 159.247942][T10656] block nbd4: shutting down sockets 06:52:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.302434][ T8358] block nbd2: Receive control failed (result -22) [ 159.303368][T10662] block nbd0: shutting down sockets [ 159.321571][T10650] block nbd2: shutting down sockets 06:52:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.389174][T10672] block nbd5: shutting down sockets 06:52:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x0, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 159.459511][ T8358] block nbd4: Receive control failed (result -22) [ 159.464008][ T8309] block nbd2: Receive control failed (result -22) [ 159.474003][ T8309] block nbd3: Receive control failed (result -22) [ 159.482845][T10680] block nbd2: shutting down sockets [ 159.491564][T10674] block nbd3: shutting down sockets [ 159.498328][T10677] block nbd4: shutting down sockets 06:52:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.527576][ T8309] block nbd0: Receive control failed (result -22) [ 159.536289][T10685] block nbd0: shutting down sockets 06:52:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 0 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.594114][ T8309] block nbd5: Receive control failed (result -22) [ 159.602160][T10689] block nbd5: shutting down sockets 06:52:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 159.668782][ T8309] block nbd2: Receive control failed (result -22) [ 159.676437][T10708] FAULT_INJECTION: forcing a failure. [ 159.676437][T10708] name failslab, interval 1, probability 0, space 0, times 1 [ 159.705122][T10708] CPU: 0 PID: 10708 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 159.713090][T10708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.723147][T10708] Call Trace: [ 159.723173][T10708] dump_stack+0x1d8/0x2f8 [ 159.723190][T10708] should_fail+0x555/0x770 [ 159.723205][T10708] __should_failslab+0x11a/0x160 [ 159.723217][T10708] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 159.723228][T10708] should_failslab+0x9/0x20 [ 159.723238][T10708] __kmalloc+0x7a/0x340 [ 159.723247][T10708] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 159.723258][T10708] tomoyo_realpath_from_path+0xdc/0x7c0 [ 159.723274][T10708] tomoyo_path_number_perm+0x166/0x640 [ 159.723310][T10708] ? smack_file_ioctl+0x226/0x2e0 [ 159.745502][T10698] block nbd2: shutting down sockets [ 159.746670][T10708] ? __fget+0x4b1/0x510 [ 159.746688][T10708] tomoyo_file_ioctl+0x23/0x30 [ 159.746700][T10708] security_file_ioctl+0x6d/0xd0 [ 159.796235][T10708] __x64_sys_ioctl+0xa3/0x120 [ 159.800925][T10708] do_syscall_64+0xf7/0x1c0 [ 159.803437][ T8309] block nbd5: Receive control failed (result -22) [ 159.805453][T10708] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.805462][T10708] RIP: 0033:0x459a59 [ 159.805475][T10708] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 159.805480][T10708] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 159.805489][T10708] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 159.805499][T10708] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 06:52:26 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x0, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 159.817850][T10708] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 159.817856][T10708] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 159.817861][T10708] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 159.846508][T10708] ERROR: Out of memory at tomoyo_realpath_from_path. [ 159.907782][T10711] block nbd5: shutting down sockets [ 159.914404][ T8309] block nbd4: Receive control failed (result -22) [ 159.914435][ T8358] block nbd4: Receive control failed (result -22) [ 159.954116][T10696] block nbd4: shutting down sockets [ 159.971815][ T8358] block nbd2: Receive control failed (result -22) [ 159.980250][T10716] block nbd2: shutting down sockets [ 159.986334][ T8358] block nbd3: Receive control failed (result -22) [ 159.997126][T10717] block nbd3: shutting down sockets [ 160.004827][ T8358] block nbd0: Receive control failed (result -22) [ 160.013758][ T8358] block nbd0: Receive control failed (result -22) 06:52:26 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:52:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 160.026487][T10707] block nbd0: shutting down sockets 06:52:26 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:26 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x0, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:26 executing program 0 (fault-call:7 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 160.135873][ T8309] block nbd4: Receive control failed (result -22) [ 160.135885][ T8358] block nbd4: Receive control failed (result -22) [ 160.150702][T10730] block nbd4: shutting down sockets [ 160.172959][T10742] FAULT_INJECTION: forcing a failure. [ 160.172959][T10742] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 160.178275][ T8309] block nbd5: Receive control failed (result -22) [ 160.186212][T10742] CPU: 0 PID: 10742 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 160.186219][T10742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.186222][T10742] Call Trace: [ 160.186241][T10742] dump_stack+0x1d8/0x2f8 [ 160.186258][T10742] should_fail+0x555/0x770 [ 160.186273][T10742] should_fail_alloc_page+0x55/0x60 [ 160.186282][T10742] prepare_alloc_pages+0x283/0x460 [ 160.186295][T10742] __alloc_pages_nodemask+0xb2/0x5d0 [ 160.186311][T10742] kmem_getpages+0x4d/0xa00 [ 160.186323][T10742] cache_grow_begin+0x7e/0x2c0 [ 160.186331][T10742] ? cache_alloc_pfmemalloc+0x1e/0x1a0 [ 160.186343][T10742] cache_alloc_refill+0x311/0x3f0 [ 160.186352][T10742] ? check_preemption_disabled+0xb7/0x2a0 [ 160.186366][T10742] __kmalloc+0x318/0x340 [ 160.186374][T10742] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 160.186387][T10742] tomoyo_realpath_from_path+0xdc/0x7c0 06:52:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 160.186405][T10742] tomoyo_path_number_perm+0x166/0x640 [ 160.186439][T10742] ? smack_file_ioctl+0x226/0x2e0 [ 160.186448][T10742] ? __fget+0x4b1/0x510 [ 160.186463][T10742] tomoyo_file_ioctl+0x23/0x30 [ 160.186473][T10742] security_file_ioctl+0x6d/0xd0 [ 160.186485][T10742] __x64_sys_ioctl+0xa3/0x120 [ 160.186502][T10742] do_syscall_64+0xf7/0x1c0 [ 160.186515][T10742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.186524][T10742] RIP: 0033:0x459a59 [ 160.186539][T10742] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 160.201247][T10742] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 160.201259][T10742] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 160.201265][T10742] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 160.201269][T10742] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 160.201274][T10742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 160.201280][T10742] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 160.211708][ T8309] block nbd2: Receive control failed (result -22) [ 160.251504][ T8309] block nbd3: Receive control failed (result -22) [ 160.294022][T10729] block nbd5: shutting down sockets [ 160.317193][T10737] block nbd3: shutting down sockets [ 160.371057][T10735] block nbd2: shutting down sockets [ 160.381614][ T8309] block nbd0: Receive control failed (result -22) 06:52:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:27 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x0, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 160.388221][ T8358] block nbd0: Receive control failed (result -22) 06:52:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 160.487734][ T8358] block nbd4: Receive control failed (result -22) [ 160.495414][ T8358] block nbd4: Receive control failed (result -22) [ 160.501151][T10739] block nbd0: shutting down sockets [ 160.515333][T10749] block nbd4: shutting down sockets [ 160.525668][ T8358] block nbd5: Receive control failed (result -22) [ 160.533489][T10752] block nbd5: shutting down sockets 06:52:27 executing program 0 (fault-call:7 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 160.575911][ T8358] block nbd2: Receive control failed (result -22) [ 160.584029][T10760] block nbd2: shutting down sockets 06:52:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:27 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x0, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 160.656448][T10771] FAULT_INJECTION: forcing a failure. [ 160.656448][T10771] name failslab, interval 1, probability 0, space 0, times 0 [ 160.676570][ T8358] block nbd4: Receive control failed (result -22) [ 160.676574][ T8309] block nbd4: Receive control failed (result -22) [ 160.698346][T10766] block nbd4: shutting down sockets [ 160.713069][T10771] CPU: 1 PID: 10771 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 160.716112][T10773] block nbd2: shutting down sockets [ 160.720998][T10771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.721003][T10771] Call Trace: [ 160.721027][T10771] dump_stack+0x1d8/0x2f8 [ 160.721042][T10771] should_fail+0x555/0x770 [ 160.721060][T10771] __should_failslab+0x11a/0x160 [ 160.753355][T10771] ? tomoyo_encode2+0x273/0x5a0 [ 160.758230][T10771] should_failslab+0x9/0x20 [ 160.762753][T10771] __kmalloc+0x7a/0x340 [ 160.767011][T10771] tomoyo_encode2+0x273/0x5a0 [ 160.771751][T10771] tomoyo_realpath_from_path+0x769/0x7c0 [ 160.777411][T10771] tomoyo_path_number_perm+0x166/0x640 [ 160.782911][T10771] ? smack_file_ioctl+0x226/0x2e0 [ 160.787950][T10771] ? __fget+0x4b1/0x510 [ 160.789567][T10783] block nbd2: shutting down sockets [ 160.792118][T10771] tomoyo_file_ioctl+0x23/0x30 [ 160.792131][T10771] security_file_ioctl+0x6d/0xd0 [ 160.792147][T10771] __x64_sys_ioctl+0xa3/0x120 [ 160.792162][T10771] do_syscall_64+0xf7/0x1c0 [ 160.792175][T10771] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.792185][T10771] RIP: 0033:0x459a59 [ 160.792194][T10771] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 160.792199][T10771] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 160.792212][T10771] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 06:52:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:27 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 160.862564][T10771] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 160.865408][T10788] block nbd2: shutting down sockets [ 160.870541][T10771] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 160.870548][T10771] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 160.870552][T10771] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 160.878656][ T8309] block nbd3: Receive control failed (result -22) 06:52:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 160.913547][T10768] block nbd3: shutting down sockets 06:52:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 160.955517][T10771] ERROR: Out of memory at tomoyo_realpath_from_path. [ 160.975177][ T8309] block nbd0: Receive control failed (result -22) [ 160.982515][ T8309] block nbd0: Receive control failed (result -22) [ 160.992837][T10770] block nbd0: shutting down sockets [ 161.012945][ T8309] block nbd5: Receive control failed (result -22) [ 161.026410][T10798] block nbd5: shutting down sockets [ 161.037379][ T8309] block nbd4: Receive control failed (result -22) [ 161.037383][ T8358] block nbd4: Receive control failed (result -22) [ 161.067779][T10794] block nbd4: shutting down sockets 06:52:27 executing program 0 (fault-call:7 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:27 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:52:27 executing program 5: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:27 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 161.111974][ T8358] block nbd3: Receive control failed (result -22) [ 161.119778][T10802] block nbd3: shutting down sockets 06:52:27 executing program 5: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:27 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 161.179592][ T8358] block nbd2: Receive control failed (result -22) [ 161.191705][T10808] block nbd2: shutting down sockets [ 161.198914][T10815] FAULT_INJECTION: forcing a failure. [ 161.198914][T10815] name failslab, interval 1, probability 0, space 0, times 0 [ 161.252042][T10815] CPU: 1 PID: 10815 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 161.259978][T10815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.270043][T10815] Call Trace: [ 161.273368][T10815] dump_stack+0x1d8/0x2f8 [ 161.277811][T10815] should_fail+0x555/0x770 [ 161.282249][T10815] __should_failslab+0x11a/0x160 [ 161.287199][T10815] ? kzalloc+0x1f/0x40 [ 161.291291][T10815] should_failslab+0x9/0x20 [ 161.295809][T10815] __kmalloc+0x7a/0x340 06:52:28 executing program 5: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:28 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 161.299974][T10815] kzalloc+0x1f/0x40 [ 161.303968][T10815] alloc_workqueue+0x116/0x13e0 [ 161.308804][T10815] ? lock_acquire+0x158/0x250 [ 161.313492][T10815] ? nbd_ioctl+0xe9/0xac0 [ 161.313509][T10815] ? __mutex_lock_common+0x4f5/0x2e20 [ 161.313520][T10815] ? debug_check_no_obj_freed+0x505/0x5b0 [ 161.313526][T10815] ? nbd_ioctl+0xe9/0xac0 [ 161.313533][T10815] ? nbd_start_device+0x134/0xbe0 [ 161.313539][T10815] ? nbd_ioctl+0x1b5/0xac0 [ 161.313554][T10815] nbd_start_device+0x1a6/0xbe0 [ 161.313571][T10815] nbd_ioctl+0x3b6/0xac0 [ 161.313583][T10815] ? rcu_lock_release+0x9/0x30 [ 161.318550][ T8358] block nbd4: Receive control failed (result -22) [ 161.323284][T10815] ? nbd_release+0x120/0x120 [ 161.323297][T10815] blkdev_ioctl+0x807/0x2980 [ 161.323309][T10815] ? tomoyo_path_number_perm+0x53e/0x640 [ 161.323342][T10815] block_ioctl+0xbd/0x100 [ 161.323350][T10815] ? blkdev_iopoll+0x100/0x100 [ 161.323362][T10815] do_vfs_ioctl+0x744/0x1730 [ 161.323369][T10815] ? __fget+0x4b1/0x510 [ 161.323389][T10815] ? tomoyo_file_ioctl+0x23/0x30 [ 161.329817][ T8358] block nbd4: Receive control failed (result -22) [ 161.333494][T10815] ? security_file_ioctl+0xa1/0xd0 [ 161.333509][T10815] __x64_sys_ioctl+0xe3/0x120 [ 161.333524][T10815] do_syscall_64+0xf7/0x1c0 [ 161.333537][T10815] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.333546][T10815] RIP: 0033:0x459a59 [ 161.333555][T10815] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 161.333563][T10815] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 161.342965][T10815] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 161.342971][T10815] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 161.342976][T10815] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 161.342981][T10815] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 161.342987][T10815] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 06:52:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:28 executing program 0 (fault-call:7 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:28 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:28 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 161.347482][T10815] block nbd0: Could not allocate knbd recv work queue. [ 161.348496][ T8358] block nbd3: Receive control failed (result -22) [ 161.368663][T10812] block nbd0: shutting down sockets [ 161.390634][T10818] block nbd4: shutting down sockets [ 161.423062][ T8358] block nbd2: Receive control failed (result -22) [ 161.537248][T10830] block nbd2: shutting down sockets 06:52:28 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:52:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 161.589407][ T8358] block nbd4: Receive control failed (result -22) [ 161.597230][ T8358] block nbd4: Receive control failed (result -22) [ 161.604587][T10837] block nbd4: shutting down sockets [ 161.626405][T10846] FAULT_INJECTION: forcing a failure. [ 161.626405][T10846] name failslab, interval 1, probability 0, space 0, times 0 [ 161.669394][T10846] CPU: 1 PID: 10846 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 161.677501][T10846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.687566][T10846] Call Trace: [ 161.690891][T10846] dump_stack+0x1d8/0x2f8 [ 161.695239][T10846] should_fail+0x555/0x770 [ 161.699673][T10846] __should_failslab+0x11a/0x160 [ 161.705492][T10846] should_failslab+0x9/0x20 [ 161.710009][T10846] kmem_cache_alloc_trace+0x5d/0x2f0 06:52:28 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(0x0) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 161.715316][T10846] ? alloc_workqueue+0x16a/0x13e0 [ 161.717642][T10823] block nbd3: shutting down sockets [ 161.720348][T10846] alloc_workqueue+0x16a/0x13e0 [ 161.730372][T10846] ? lock_acquire+0x158/0x250 [ 161.735048][T10846] ? nbd_ioctl+0xe9/0xac0 [ 161.739389][T10846] ? __mutex_lock_common+0x4f5/0x2e20 [ 161.744772][T10846] ? debug_check_no_obj_freed+0x505/0x5b0 [ 161.750501][T10846] ? nbd_ioctl+0xe9/0xac0 [ 161.754838][T10846] ? nbd_start_device+0x134/0xbe0 [ 161.757029][ T8358] block nbd4: Receive control failed (result -22) [ 161.759880][T10846] ? nbd_ioctl+0x1b5/0xac0 [ 161.759897][T10846] nbd_start_device+0x1a6/0xbe0 [ 161.759916][T10846] nbd_ioctl+0x3b6/0xac0 [ 161.759932][T10846] ? rcu_lock_release+0x9/0x30 [ 161.767120][ T8358] block nbd4: Receive control failed (result -22) [ 161.770832][T10846] ? nbd_release+0x120/0x120 [ 161.770846][T10846] blkdev_ioctl+0x807/0x2980 [ 161.770858][T10846] ? tomoyo_path_number_perm+0x53e/0x640 [ 161.770885][T10846] block_ioctl+0xbd/0x100 [ 161.779927][T10846] ? blkdev_iopoll+0x100/0x100 [ 161.779942][T10846] do_vfs_ioctl+0x744/0x1730 [ 161.779950][T10846] ? __fget+0x4b1/0x510 [ 161.779965][T10846] ? tomoyo_file_ioctl+0x23/0x30 [ 161.791135][T10846] ? security_file_ioctl+0xa1/0xd0 [ 161.791152][T10846] __x64_sys_ioctl+0xe3/0x120 [ 161.791167][T10846] do_syscall_64+0xf7/0x1c0 [ 161.791181][T10846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.791194][T10846] RIP: 0033:0x459a59 [ 161.810362][T10853] block nbd4: shutting down sockets [ 161.815050][T10846] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 161.815056][T10846] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 161.815065][T10846] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 161.815070][T10846] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 161.815075][T10846] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 161.815086][T10846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 06:52:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:28 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(0x0) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:28 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:28 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:28 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 161.815091][T10846] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 161.928913][T10846] block nbd0: Could not allocate knbd recv work queue. [ 161.942809][ T8358] block nbd2: Receive control failed (result -22) [ 161.950651][T10851] block nbd2: shutting down sockets [ 161.988859][ T8309] block nbd4: Receive control failed (result -22) [ 161.988863][ T8358] block nbd4: Receive control failed (result -22) [ 162.004985][T10870] block nbd4: shutting down sockets 06:52:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.043073][ T8358] block nbd3: Receive control failed (result -22) [ 162.050856][T10865] block nbd3: shutting down sockets 06:52:28 executing program 0 (fault-call:7 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:28 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.118918][T10839] block nbd0: shutting down sockets [ 162.135822][ T8358] block nbd4: Receive control failed (result -22) [ 162.151948][ T8358] block nbd4: Receive control failed (result -22) [ 162.162533][T10881] block nbd4: shutting down sockets 06:52:28 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(0x0) sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 162.193642][ T8358] block nbd2: Receive control failed (result -22) [ 162.201179][T10889] block nbd2: shutting down sockets [ 162.208566][ T8358] block nbd3: Receive control failed (result -22) [ 162.217379][T10886] block nbd3: shutting down sockets 06:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.244052][ T8358] block nbd5: Receive control failed (result -22) [ 162.252018][T10887] block nbd5: shutting down sockets [ 162.270134][T10898] FAULT_INJECTION: forcing a failure. [ 162.270134][T10898] name failslab, interval 1, probability 0, space 0, times 0 06:52:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.314769][T10898] CPU: 0 PID: 10898 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 162.322782][T10898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.322787][T10898] Call Trace: [ 162.322806][T10898] dump_stack+0x1d8/0x2f8 [ 162.322823][T10898] should_fail+0x555/0x770 [ 162.322840][T10898] __should_failslab+0x11a/0x160 [ 162.322851][T10898] ? kasprintf+0x6a/0x90 [ 162.322862][T10898] should_failslab+0x9/0x20 [ 162.322874][T10898] __kmalloc_track_caller+0x79/0x340 06:52:29 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 162.322888][T10898] kvasprintf+0x70/0xf0 [ 162.368331][T10898] kasprintf+0x6a/0x90 [ 162.372426][T10898] alloc_workqueue+0x52d/0x13e0 [ 162.377286][T10898] ? lock_acquire+0x158/0x250 [ 162.381987][T10898] ? __mutex_lock_common+0x4f5/0x2e20 [ 162.387450][T10898] ? debug_check_no_obj_freed+0x505/0x5b0 [ 162.387460][T10898] ? nbd_ioctl+0xe9/0xac0 [ 162.387469][T10898] ? nbd_start_device+0x134/0xbe0 [ 162.387480][T10898] ? nbd_ioctl+0x1b5/0xac0 [ 162.407248][T10898] nbd_start_device+0x1a6/0xbe0 [ 162.412123][T10898] nbd_ioctl+0x3b6/0xac0 [ 162.416384][T10898] ? rcu_lock_release+0x9/0x30 [ 162.421167][T10898] ? nbd_release+0x120/0x120 [ 162.425784][T10898] blkdev_ioctl+0x807/0x2980 [ 162.430394][T10898] ? tomoyo_path_number_perm+0x53e/0x640 [ 162.436067][T10898] block_ioctl+0xbd/0x100 [ 162.440407][T10898] ? blkdev_iopoll+0x100/0x100 [ 162.445187][T10898] do_vfs_ioctl+0x744/0x1730 [ 162.449900][T10898] ? __fget+0x4b1/0x510 [ 162.454067][T10898] ? tomoyo_file_ioctl+0x23/0x30 [ 162.459195][T10898] ? security_file_ioctl+0xa1/0xd0 [ 162.464361][T10898] __x64_sys_ioctl+0xe3/0x120 [ 162.469052][T10898] do_syscall_64+0xf7/0x1c0 [ 162.473582][T10898] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.479483][T10898] RIP: 0033:0x459a59 [ 162.483388][T10898] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 162.504568][T10898] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 06:52:29 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 162.513949][T10898] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 162.521930][T10898] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 162.529940][T10898] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 162.538011][T10898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 162.546515][T10898] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 162.560365][ T8358] block nbd5: Receive control failed (result -22) [ 162.568596][ T8358] block nbd3: Receive control failed (result -22) [ 162.582776][T11001] block nbd5: shutting down sockets [ 162.589378][ T8309] block nbd0: Receive control failed (result -22) [ 162.597461][ T8358] block nbd0: Receive control failed (result -22) [ 162.607641][T10896] block nbd0: shutting down sockets [ 162.608855][T10961] block nbd3: shutting down sockets [ 162.619235][ T8358] block nbd2: Receive control failed (result -22) [ 162.631994][T11027] block nbd2: shutting down sockets 06:52:29 executing program 0 (fault-call:7 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 2: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 162.744792][T11039] FAULT_INJECTION: forcing a failure. [ 162.744792][T11039] name failslab, interval 1, probability 0, space 0, times 0 [ 162.770898][T11039] CPU: 1 PID: 11039 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 162.778841][T11039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.789180][T11039] Call Trace: [ 162.792491][T11039] dump_stack+0x1d8/0x2f8 [ 162.796849][T11039] should_fail+0x555/0x770 [ 162.801467][T11039] __should_failslab+0x11a/0x160 [ 162.806427][T11039] ? kzalloc+0x1f/0x40 [ 162.810511][T11039] should_failslab+0x9/0x20 [ 162.815031][T11039] __kmalloc+0x7a/0x340 [ 162.819203][T11039] kzalloc+0x1f/0x40 [ 162.823111][T11039] apply_wqattrs_prepare+0xb1/0xab0 [ 162.828325][T11039] ? alloc_workqueue+0xd7d/0x13e0 [ 162.833365][T11039] ? trace_lock_acquire+0x159/0x1d0 [ 162.838596][T11039] apply_workqueue_attrs_locked+0xc5/0x650 06:52:29 executing program 2: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 2: r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.844446][T11039] alloc_workqueue+0xd8a/0x13e0 [ 162.849486][T11039] ? lock_acquire+0x158/0x250 [ 162.854187][T11039] ? __mutex_lock_common+0x4f5/0x2e20 [ 162.859574][T11039] ? debug_check_no_obj_freed+0x505/0x5b0 [ 162.865298][T11039] ? nbd_ioctl+0xe9/0xac0 [ 162.869642][T11039] ? nbd_start_device+0x134/0xbe0 [ 162.874969][T11039] ? nbd_ioctl+0x1b5/0xac0 [ 162.879409][T11039] nbd_start_device+0x1a6/0xbe0 [ 162.884284][T11039] nbd_ioctl+0x3b6/0xac0 [ 162.888567][T11039] ? rcu_lock_release+0x9/0x30 06:52:29 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 162.893355][T11039] ? nbd_release+0x120/0x120 [ 162.897959][T11039] blkdev_ioctl+0x807/0x2980 [ 162.902662][T11039] ? tomoyo_path_number_perm+0x53e/0x640 [ 162.909289][T11039] block_ioctl+0xbd/0x100 [ 162.913726][T11039] ? blkdev_iopoll+0x100/0x100 [ 162.918600][T11039] do_vfs_ioctl+0x744/0x1730 [ 162.923236][T11039] ? __fget+0x4b1/0x510 [ 162.927415][T11039] ? tomoyo_file_ioctl+0x23/0x30 [ 162.932478][T11039] ? security_file_ioctl+0xa1/0xd0 [ 162.937608][T11039] __x64_sys_ioctl+0xe3/0x120 [ 162.942307][T11039] do_syscall_64+0xf7/0x1c0 [ 162.946829][T11039] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.952734][T11039] RIP: 0033:0x459a59 [ 162.956731][T11039] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 162.976525][T11039] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 162.985596][T11039] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 162.993675][T11039] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 163.002029][T11039] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 163.010153][T11039] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 163.018382][T11039] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 163.029653][ T8358] block nbd4: Receive control failed (result -22) [ 163.037309][ T8358] block nbd4: Receive control failed (result -22) [ 163.044669][T11033] block nbd4: shutting down sockets [ 163.052099][ T8358] block nbd2: Receive control failed (result -22) [ 163.059989][ T8358] block nbd3: Receive control failed (result -22) [ 163.060380][T11059] block nbd2: shutting down sockets [ 163.074459][T11037] block nbd3: shutting down sockets [ 163.075100][T11039] block nbd0: Could not allocate knbd recv work queue. [ 163.092183][ T8358] block nbd5: Receive control failed (result -22) [ 163.100893][T11035] block nbd5: shutting down sockets [ 163.134345][T11034] block nbd0: shutting down sockets 06:52:29 executing program 0 (fault-call:7 fault-nth:7): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 163.217717][T11076] block nbd4: server does not support multiple connections per device. [ 163.237411][ T8358] block nbd3: Receive control failed (result -22) [ 163.245404][T11069] block nbd3: shutting down sockets 06:52:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 163.264216][ T8358] block nbd5: Receive control failed (result -22) [ 163.277278][T11070] block nbd5: shutting down sockets [ 163.303961][T11085] FAULT_INJECTION: forcing a failure. [ 163.303961][T11085] name failslab, interval 1, probability 0, space 0, times 0 [ 163.319842][T11068] block nbd4: shutting down sockets [ 163.329453][T11085] CPU: 0 PID: 11085 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 163.337382][T11085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.348151][T11085] Call Trace: [ 163.351452][T11085] dump_stack+0x1d8/0x2f8 [ 163.355801][T11085] should_fail+0x555/0x770 [ 163.360239][T11085] __should_failslab+0x11a/0x160 [ 163.365190][T11085] should_failslab+0x9/0x20 [ 163.369705][T11085] kmem_cache_alloc_trace+0x5d/0x2f0 [ 163.375467][T11085] ? apply_wqattrs_prepare+0xe9/0xab0 [ 163.380956][T11085] apply_wqattrs_prepare+0xe9/0xab0 [ 163.386175][T11085] ? alloc_workqueue+0xd7d/0x13e0 [ 163.391213][T11085] ? trace_lock_acquire+0x159/0x1d0 [ 163.396517][T11085] apply_workqueue_attrs_locked+0xc5/0x650 [ 163.402335][T11085] alloc_workqueue+0xd8a/0x13e0 [ 163.407197][T11085] ? lock_acquire+0x158/0x250 [ 163.411894][T11085] ? __mutex_lock_common+0x4f5/0x2e20 [ 163.417297][T11085] ? debug_check_no_obj_freed+0x505/0x5b0 [ 163.423031][T11085] ? nbd_ioctl+0xe9/0xac0 [ 163.427370][T11085] ? nbd_start_device+0x134/0xbe0 [ 163.432408][T11085] ? nbd_ioctl+0x1b5/0xac0 [ 163.436925][T11085] nbd_start_device+0x1a6/0xbe0 [ 163.441963][T11085] nbd_ioctl+0x3b6/0xac0 [ 163.446304][T11085] ? rcu_lock_release+0x9/0x30 [ 163.451079][T11085] ? nbd_release+0x120/0x120 [ 163.455684][T11085] blkdev_ioctl+0x807/0x2980 [ 163.460295][T11085] ? tomoyo_path_number_perm+0x53e/0x640 [ 163.465964][T11085] block_ioctl+0xbd/0x100 06:52:30 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:30 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 163.470308][T11085] ? blkdev_iopoll+0x100/0x100 [ 163.475086][T11085] do_vfs_ioctl+0x744/0x1730 [ 163.479712][T11085] ? __fget+0x4b1/0x510 [ 163.483882][T11085] ? tomoyo_file_ioctl+0x23/0x30 [ 163.488915][T11085] ? security_file_ioctl+0xa1/0xd0 [ 163.494042][T11085] __x64_sys_ioctl+0xe3/0x120 [ 163.498732][T11085] do_syscall_64+0xf7/0x1c0 [ 163.503296][T11085] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.509206][T11085] RIP: 0033:0x459a59 06:52:30 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 163.513499][T11085] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 163.534159][T11085] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 163.542665][T11085] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 163.550766][T11085] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 163.558748][T11085] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 163.566739][T11085] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 163.575074][T11085] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 163.602700][T11107] block nbd4: server does not support multiple connections per device. [ 163.611566][T11106] block nbd4: shutting down sockets 06:52:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 163.612784][ T8358] block nbd3: Receive control failed (result -22) [ 163.624475][ T8358] block nbd2: Receive control failed (result -22) [ 163.633431][T11080] block nbd2: shutting down sockets [ 163.639378][T11088] block nbd3: shutting down sockets [ 163.647092][T11085] block nbd0: Could not allocate knbd recv work queue. [ 163.662459][T11081] block nbd0: shutting down sockets 06:52:30 executing program 0 (fault-call:7 fault-nth:8): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 163.760458][ T8358] block nbd5: Receive control failed (result -22) [ 163.761260][T11118] block nbd4: server does not support multiple connections per device. [ 163.776644][T11111] block nbd5: shutting down sockets [ 163.807069][T11116] block nbd4: shutting down sockets [ 163.820880][T11124] FAULT_INJECTION: forcing a failure. [ 163.820880][T11124] name failslab, interval 1, probability 0, space 0, times 0 [ 163.839479][T11124] CPU: 1 PID: 11124 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 163.847422][T11124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.857477][T11124] Call Trace: [ 163.860778][T11124] dump_stack+0x1d8/0x2f8 [ 163.865119][T11124] should_fail+0x555/0x770 [ 163.869553][T11124] __should_failslab+0x11a/0x160 [ 163.874595][T11124] should_failslab+0x9/0x20 [ 163.879114][T11124] kmem_cache_alloc_trace+0x5d/0x2f0 [ 163.881304][T11131] block nbd4: server does not support multiple connections per device. [ 163.884408][T11124] ? apply_wqattrs_prepare+0x199/0xab0 [ 163.893504][T11130] block nbd4: shutting down sockets [ 163.898196][T11124] apply_wqattrs_prepare+0x199/0xab0 [ 163.898208][T11124] ? alloc_workqueue+0xd7d/0x13e0 [ 163.898222][T11124] ? trace_lock_acquire+0x159/0x1d0 [ 163.898240][T11124] apply_workqueue_attrs_locked+0xc5/0x650 [ 163.898254][T11124] alloc_workqueue+0xd8a/0x13e0 [ 163.898262][T11124] ? lock_acquire+0x158/0x250 [ 163.898280][T11124] ? __mutex_lock_common+0x4f5/0x2e20 [ 163.939690][T11124] ? debug_check_no_obj_freed+0x505/0x5b0 [ 163.942276][T11133] block nbd4: server does not support multiple connections per device. [ 163.945414][T11124] ? nbd_ioctl+0xe9/0xac0 [ 163.945425][T11124] ? nbd_start_device+0x134/0xbe0 [ 163.945432][T11124] ? nbd_ioctl+0x1b5/0xac0 [ 163.945448][T11124] nbd_start_device+0x1a6/0xbe0 [ 163.945468][T11124] nbd_ioctl+0x3b6/0xac0 [ 163.945484][T11124] ? rcu_lock_release+0x9/0x30 [ 163.954606][T11132] block nbd4: shutting down sockets [ 163.958219][T11124] ? nbd_release+0x120/0x120 [ 163.958231][T11124] blkdev_ioctl+0x807/0x2980 [ 163.958245][T11124] ? tomoyo_path_number_perm+0x53e/0x640 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 163.958276][T11124] block_ioctl+0xbd/0x100 [ 163.958284][T11124] ? blkdev_iopoll+0x100/0x100 [ 163.958299][T11124] do_vfs_ioctl+0x744/0x1730 [ 164.001175][T11135] block nbd4: server does not support multiple connections per device. [ 164.005180][T11124] ? __fget+0x4b1/0x510 [ 164.005199][T11124] ? tomoyo_file_ioctl+0x23/0x30 [ 164.005209][T11124] ? security_file_ioctl+0xa1/0xd0 [ 164.005223][T11124] __x64_sys_ioctl+0xe3/0x120 [ 164.005238][T11124] do_syscall_64+0xf7/0x1c0 [ 164.005252][T11124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.005260][T11124] RIP: 0033:0x459a59 [ 164.005272][T11124] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.010408][T11134] block nbd4: shutting down sockets [ 164.014954][T11124] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 164.014964][T11124] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 06:52:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:30 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 164.014969][T11124] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 164.014973][T11124] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.014978][T11124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 164.014984][T11124] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 164.122468][T11140] block nbd4: shutting down sockets [ 164.158186][ T8358] block nbd3: Receive control failed (result -22) [ 164.166860][T11119] block nbd3: shutting down sockets [ 164.176474][T11124] block nbd0: Could not allocate knbd recv work queue. 06:52:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 164.198944][T11123] block nbd0: shutting down sockets [ 164.200078][ T8358] block nbd5: Receive control failed (result -22) [ 164.218157][T11144] block nbd5: shutting down sockets 06:52:31 executing program 0 (fault-call:7 fault-nth:9): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:31 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 164.255304][ T8358] block nbd2: Receive control failed (result -22) [ 164.263235][T11149] block nbd2: shutting down sockets 06:52:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 164.337708][T11154] block nbd4: shutting down sockets 06:52:31 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 164.388108][ T8358] block nbd5: Receive control failed (result -22) [ 164.400593][ T8358] block nbd3: Receive control failed (result -22) [ 164.415231][T11155] block nbd3: shutting down sockets [ 164.428288][T11160] block nbd5: shutting down sockets [ 164.436959][ T8358] block nbd2: Receive control failed (result -22) [ 164.444787][T11168] block nbd2: shutting down sockets [ 164.452167][T11163] FAULT_INJECTION: forcing a failure. [ 164.452167][T11163] name failslab, interval 1, probability 0, space 0, times 0 [ 164.504268][T11163] CPU: 0 PID: 11163 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 164.512478][T11163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.522532][T11163] Call Trace: [ 164.525847][T11163] dump_stack+0x1d8/0x2f8 [ 164.530474][T11163] should_fail+0x555/0x770 [ 164.534931][T11163] __should_failslab+0x11a/0x160 [ 164.540050][T11163] should_failslab+0x9/0x20 [ 164.544656][T11163] kmem_cache_alloc_node_trace+0x6e/0x2d0 06:52:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:31 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 164.550681][T11163] ? init_rescuer+0x93/0x2e0 [ 164.555286][T11163] init_rescuer+0x93/0x2e0 [ 164.556374][T11172] block nbd4: shutting down sockets [ 164.559820][T11163] ? alloc_workqueue+0xe24/0x13e0 [ 164.559834][T11163] alloc_workqueue+0xeab/0x13e0 [ 164.559843][T11163] ? lock_acquire+0x158/0x250 [ 164.559862][T11163] ? __mutex_lock_common+0x4f5/0x2e20 [ 164.586241][T11163] ? debug_check_no_obj_freed+0x505/0x5b0 [ 164.591969][T11163] ? nbd_ioctl+0xe9/0xac0 [ 164.596315][T11163] ? nbd_start_device+0x134/0xbe0 [ 164.601357][T11163] ? nbd_ioctl+0x1b5/0xac0 [ 164.605790][T11163] nbd_start_device+0x1a6/0xbe0 [ 164.610663][T11163] nbd_ioctl+0x3b6/0xac0 [ 164.614969][T11163] ? rcu_lock_release+0x9/0x30 [ 164.619755][T11163] ? nbd_release+0x120/0x120 [ 164.625506][T11163] blkdev_ioctl+0x807/0x2980 [ 164.630305][T11163] ? tomoyo_path_number_perm+0x53e/0x640 [ 164.635991][T11163] block_ioctl+0xbd/0x100 [ 164.640363][T11163] ? blkdev_iopoll+0x100/0x100 [ 164.645148][T11163] do_vfs_ioctl+0x744/0x1730 [ 164.649768][T11163] ? __fget+0x4b1/0x510 [ 164.653951][T11163] ? tomoyo_file_ioctl+0x23/0x30 [ 164.659460][T11163] ? security_file_ioctl+0xa1/0xd0 [ 164.664593][T11163] __x64_sys_ioctl+0xe3/0x120 [ 164.669306][T11163] do_syscall_64+0xf7/0x1c0 [ 164.674090][T11163] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.680089][T11163] RIP: 0033:0x459a59 [ 164.683987][T11163] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 06:52:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 164.685277][ T8358] block nbd2: Receive control failed (result -22) [ 164.703960][T11163] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 164.703970][T11163] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 164.703975][T11163] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 164.703980][T11163] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.703984][T11163] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 06:52:31 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 164.703989][T11163] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 164.709966][ T8309] block nbd5: Receive control failed (result -22) [ 164.720703][T11163] block nbd0: Could not allocate knbd recv work queue. [ 164.793716][ T8309] block nbd3: Receive control failed (result -22) [ 164.809919][T11282] block nbd3: shutting down sockets [ 164.817078][T11158] block nbd0: shutting down sockets [ 164.834906][T11189] block nbd5: shutting down sockets [ 164.870935][T11188] block nbd2: shutting down sockets 06:52:31 executing program 0 (fault-call:7 fault-nth:10): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:31 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:31 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:31 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 164.916546][ T8309] block nbd4: Receive control failed (result -22) [ 164.942013][T11284] block nbd4: shutting down sockets 06:52:31 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 164.973092][ T8309] block nbd3: Receive control failed (result -22) [ 164.986317][T11299] block nbd3: shutting down sockets [ 164.997366][T11306] FAULT_INJECTION: forcing a failure. [ 164.997366][T11306] name failslab, interval 1, probability 0, space 0, times 0 [ 165.030129][T11306] CPU: 1 PID: 11306 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 165.038061][T11306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.038985][ T8309] block nbd5: Receive control failed (result -22) [ 165.049023][T11306] Call Trace: [ 165.049043][T11306] dump_stack+0x1d8/0x2f8 [ 165.049057][T11306] should_fail+0x555/0x770 [ 165.049074][T11306] __should_failslab+0x11a/0x160 [ 165.049088][T11306] should_failslab+0x9/0x20 [ 165.049099][T11306] kmem_cache_alloc_node_trace+0x6e/0x2d0 [ 165.049109][T11306] ? init_rescuer+0x93/0x2e0 [ 165.049121][T11306] init_rescuer+0x93/0x2e0 [ 165.049136][T11306] ? alloc_workqueue+0xe24/0x13e0 [ 165.059327][T11306] alloc_workqueue+0xeab/0x13e0 [ 165.059337][T11306] ? lock_acquire+0x158/0x250 [ 165.059357][T11306] ? __mutex_lock_common+0x4f5/0x2e20 [ 165.059372][T11306] ? debug_check_no_obj_freed+0x505/0x5b0 [ 165.073681][T11306] ? nbd_ioctl+0xe9/0xac0 [ 165.073692][T11306] ? nbd_start_device+0x134/0xbe0 06:52:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 165.073699][T11306] ? nbd_ioctl+0x1b5/0xac0 [ 165.073713][T11306] nbd_start_device+0x1a6/0xbe0 [ 165.098854][T11297] block nbd5: shutting down sockets [ 165.103092][T11306] nbd_ioctl+0x3b6/0xac0 [ 165.103105][T11306] ? rcu_lock_release+0x9/0x30 [ 165.103115][T11306] ? nbd_release+0x120/0x120 [ 165.103126][T11306] blkdev_ioctl+0x807/0x2980 [ 165.103139][T11306] ? tomoyo_path_number_perm+0x53e/0x640 [ 165.166693][T11306] block_ioctl+0xbd/0x100 [ 165.171071][T11306] ? blkdev_iopoll+0x100/0x100 [ 165.176004][T11306] do_vfs_ioctl+0x744/0x1730 [ 165.180729][T11306] ? __fget+0x4b1/0x510 [ 165.184972][T11306] ? tomoyo_file_ioctl+0x23/0x30 [ 165.190952][T11306] ? security_file_ioctl+0xa1/0xd0 [ 165.196106][T11306] __x64_sys_ioctl+0xe3/0x120 [ 165.200769][T11306] do_syscall_64+0xf7/0x1c0 [ 165.205255][T11306] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.211127][T11306] RIP: 0033:0x459a59 [ 165.215006][T11306] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.235218][T11306] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 165.243814][T11306] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 165.252725][T11306] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 165.261294][T11306] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.269369][T11306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 06:52:32 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:32 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 165.277384][T11306] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 165.319824][ T8309] block nbd4: Receive control failed (result -22) [ 165.338564][T11312] block nbd4: shutting down sockets [ 165.357173][T11306] block nbd0: Could not allocate knbd recv work queue. [ 165.366626][ T8309] block nbd3: Receive control failed (result -22) [ 165.373786][T11304] block nbd0: shutting down sockets [ 165.379634][T11320] block nbd3: shutting down sockets [ 165.397266][ T8309] block nbd2: Receive control failed (result -22) [ 165.406847][T11319] block nbd2: shutting down sockets [ 165.412398][ T8309] block nbd5: Receive control failed (result -22) 06:52:32 executing program 4 (fault-call:10 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 165.421644][T11317] block nbd5: shutting down sockets 06:52:32 executing program 0 (fault-call:7 fault-nth:11): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 165.479843][T11332] FAULT_INJECTION: forcing a failure. [ 165.479843][T11332] name failslab, interval 1, probability 0, space 0, times 0 [ 165.517959][T11339] FAULT_INJECTION: forcing a failure. [ 165.517959][T11339] name failslab, interval 1, probability 0, space 0, times 0 [ 165.531757][T11332] CPU: 0 PID: 11332 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 165.531765][T11332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.531769][T11332] Call Trace: [ 165.531786][T11332] dump_stack+0x1d8/0x2f8 [ 165.531801][T11332] should_fail+0x555/0x770 [ 165.531817][T11332] __should_failslab+0x11a/0x160 [ 165.531830][T11332] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 165.531842][T11332] should_failslab+0x9/0x20 06:52:32 executing program 2: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 165.531854][T11332] __kmalloc+0x7a/0x340 [ 165.531862][T11332] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 165.531874][T11332] tomoyo_realpath_from_path+0xdc/0x7c0 [ 165.531891][T11332] tomoyo_path_number_perm+0x166/0x640 [ 165.531928][T11332] ? smack_file_ioctl+0x226/0x2e0 [ 165.550622][T11332] ? __fget+0x4b1/0x510 [ 165.561621][ T8309] block nbd3: Receive control failed (result -22) [ 165.562855][T11332] tomoyo_file_ioctl+0x23/0x30 [ 165.594525][T11332] security_file_ioctl+0x6d/0xd0 [ 165.594541][T11332] __x64_sys_ioctl+0xa3/0x120 [ 165.594555][T11332] do_syscall_64+0xf7/0x1c0 [ 165.594569][T11332] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.594579][T11332] RIP: 0033:0x459a59 [ 165.594588][T11332] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.594599][T11332] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 165.617694][T11333] block nbd3: shutting down sockets [ 165.620999][T11332] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 165.621006][T11332] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 165.621012][T11332] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.621022][T11332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 165.621027][T11332] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 165.631500][ T8309] block nbd5: Receive control failed (result -22) 06:52:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) [ 165.649590][T11339] CPU: 1 PID: 11339 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 165.679668][T11332] ERROR: Out of memory at tomoyo_realpath_from_path. [ 165.681117][T11339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.681122][T11339] Call Trace: [ 165.681140][T11339] dump_stack+0x1d8/0x2f8 [ 165.681156][T11339] should_fail+0x555/0x770 [ 165.681174][T11339] __should_failslab+0x11a/0x160 [ 165.681187][T11339] ? numa_pwq_tbl_install+0x430/0x430 [ 165.681201][T11339] should_failslab+0x9/0x20 [ 165.691808][T11340] block nbd5: shutting down sockets [ 165.697449][T11339] kmem_cache_alloc_trace+0x5d/0x2f0 [ 165.726273][ T8309] block nbd2: Receive control failed (result -22) [ 165.727952][T11339] ? __kthread_create_on_node+0xb2/0x3b0 [ 165.727968][T11339] ? numa_pwq_tbl_install+0x430/0x430 [ 165.727975][T11339] __kthread_create_on_node+0xb2/0x3b0 [ 165.727994][T11339] ? numa_pwq_tbl_install+0x430/0x430 [ 165.728005][T11339] kthread_create_on_node+0x72/0xa0 06:52:32 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 165.728018][T11339] ? kmem_cache_alloc_node_trace+0x268/0x2d0 [ 165.728034][T11339] init_rescuer+0x1c8/0x2e0 [ 165.728052][T11339] alloc_workqueue+0xeab/0x13e0 [ 165.728061][T11339] ? lock_acquire+0x158/0x250 [ 165.728084][T11339] ? __mutex_lock_common+0x4f5/0x2e20 [ 165.742836][T11339] ? debug_check_no_obj_freed+0x505/0x5b0 [ 165.742845][T11339] ? nbd_ioctl+0xe9/0xac0 [ 165.742853][T11339] ? nbd_start_device+0x134/0xbe0 [ 165.742859][T11339] ? nbd_ioctl+0x1b5/0xac0 [ 165.742872][T11339] nbd_start_device+0x1a6/0xbe0 [ 165.742890][T11339] nbd_ioctl+0x3b6/0xac0 [ 165.742902][T11339] ? rcu_lock_release+0x9/0x30 [ 165.742916][T11339] ? nbd_release+0x120/0x120 [ 165.771187][T11339] blkdev_ioctl+0x807/0x2980 [ 165.786321][T11339] ? tomoyo_path_number_perm+0x53e/0x640 [ 165.786350][T11339] block_ioctl+0xbd/0x100 [ 165.786364][T11339] ? blkdev_iopoll+0x100/0x100 [ 165.786377][T11339] do_vfs_ioctl+0x744/0x1730 [ 165.786386][T11339] ? __fget+0x4b1/0x510 [ 165.786401][T11339] ? tomoyo_file_ioctl+0x23/0x30 [ 165.786410][T11339] ? security_file_ioctl+0xa1/0xd0 [ 165.786424][T11339] __x64_sys_ioctl+0xe3/0x120 [ 165.798117][T11339] do_syscall_64+0xf7/0x1c0 [ 165.798132][T11339] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.798142][T11339] RIP: 0033:0x459a59 [ 165.798152][T11339] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.798161][T11339] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 06:52:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 165.820375][ T8309] block nbd5: Receive control failed (result -22) [ 165.820591][T11339] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 165.820600][T11339] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 165.831846][T11339] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.831852][T11339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 165.831857][T11339] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 165.860575][T11339] block nbd0: Could not allocate knbd recv work queue. 06:52:32 executing program 0 (fault-call:7 fault-nth:12): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 165.875717][T11343] block nbd2: shutting down sockets [ 165.960071][T11336] block nbd0: shutting down sockets [ 166.000113][T11347] block nbd5: shutting down sockets [ 166.049060][ T8309] block nbd3: Receive control failed (result -22) [ 166.062160][T11355] block nbd3: shutting down sockets [ 166.070108][ T8309] block nbd2: Receive control failed (result -22) [ 166.078489][T11357] block nbd2: shutting down sockets 06:52:32 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:32 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 166.115416][ T8309] block nbd4: Receive control failed (result -22) [ 166.122281][ T8358] block nbd4: Receive control failed (result -22) [ 166.134287][T11331] block nbd4: shutting down sockets [ 166.149901][T11364] FAULT_INJECTION: forcing a failure. [ 166.149901][T11364] name failslab, interval 1, probability 0, space 0, times 0 [ 166.175424][T11364] CPU: 1 PID: 11364 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 166.183357][T11364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.193423][T11364] Call Trace: [ 166.193447][T11364] dump_stack+0x1d8/0x2f8 [ 166.193465][T11364] should_fail+0x555/0x770 [ 166.193481][T11364] __should_failslab+0x11a/0x160 [ 166.193499][T11364] ? __kernfs_new_node+0x97/0x6b0 [ 166.193514][T11364] should_failslab+0x9/0x20 [ 166.193529][T11364] kmem_cache_alloc+0x56/0x2e0 [ 166.210686][T11364] __kernfs_new_node+0x97/0x6b0 [ 166.210706][T11364] ? rcu_lock_release+0x9/0x30 [ 166.210722][T11364] kernfs_new_node+0x97/0x170 [ 166.234609][T11364] __kernfs_create_file+0x4a/0x2f0 [ 166.244375][T11364] sysfs_add_file_mode_ns+0x2dc/0x3a0 [ 166.244391][T11364] sysfs_create_file_ns+0x112/0x1b0 [ 166.244410][T11364] device_create_file+0x10a/0x1d0 [ 166.244421][T11364] nbd_start_device+0x47e/0xbe0 [ 166.244439][T11364] nbd_ioctl+0x3b6/0xac0 [ 166.269378][T11364] ? rcu_lock_release+0x9/0x30 [ 166.273993][ T8309] block nbd3: Receive control failed (result -22) [ 166.275023][T11364] ? nbd_release+0x120/0x120 [ 166.275037][T11364] blkdev_ioctl+0x807/0x2980 [ 166.275052][T11364] ? tomoyo_path_number_perm+0x53e/0x640 [ 166.275090][T11364] block_ioctl+0xbd/0x100 [ 166.285519][T11366] block nbd3: shutting down sockets [ 166.286171][T11364] ? blkdev_iopoll+0x100/0x100 [ 166.312953][T11364] do_vfs_ioctl+0x744/0x1730 [ 166.317559][T11364] ? __fget+0x4b1/0x510 [ 166.321853][T11364] ? tomoyo_file_ioctl+0x23/0x30 [ 166.326886][T11364] ? security_file_ioctl+0xa1/0xd0 [ 166.332002][T11364] __x64_sys_ioctl+0xe3/0x120 [ 166.336758][T11364] do_syscall_64+0xf7/0x1c0 [ 166.341368][T11364] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.347252][T11364] RIP: 0033:0x459a59 [ 166.351261][T11364] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.371028][T11364] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 166.379638][T11364] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 166.387604][T11364] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 166.395676][T11364] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 166.404934][T11364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 166.412989][T11364] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 06:52:33 executing program 4 (fault-call:10 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 166.422063][T11364] block nbd0: device_create_file failed! [ 166.444609][T11363] block nbd0: shutting down sockets [ 166.481440][ T8309] block nbd5: Receive control failed (result -22) [ 166.491035][T11375] block nbd5: shutting down sockets [ 166.492276][ T8309] block nbd2: Receive control failed (result -22) [ 166.504682][T11374] block nbd2: shutting down sockets [ 166.510129][ T8309] block nbd3: Receive control failed (result -22) [ 166.532645][T11387] FAULT_INJECTION: forcing a failure. [ 166.532645][T11387] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 166.547099][T11387] CPU: 1 PID: 11387 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 166.554993][T11387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.565409][T11387] Call Trace: [ 166.569155][T11387] dump_stack+0x1d8/0x2f8 [ 166.573657][T11387] should_fail+0x555/0x770 [ 166.578095][T11387] should_fail_alloc_page+0x55/0x60 [ 166.583412][T11387] prepare_alloc_pages+0x283/0x460 [ 166.588556][T11387] __alloc_pages_nodemask+0xb2/0x5d0 [ 166.593877][T11387] kmem_getpages+0x4d/0xa00 [ 166.598395][T11387] cache_grow_begin+0x7e/0x2c0 [ 166.603199][T11387] ? cache_alloc_pfmemalloc+0x1e/0x1a0 [ 166.608685][T11387] cache_alloc_refill+0x311/0x3f0 [ 166.613729][T11387] ? check_preemption_disabled+0xb7/0x2a0 [ 166.619647][T11387] __kmalloc+0x318/0x340 [ 166.623909][T11387] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 166.629645][T11387] tomoyo_realpath_from_path+0xdc/0x7c0 [ 166.635216][T11387] tomoyo_path_number_perm+0x166/0x640 [ 166.640686][T11387] ? trace_hardirqs_on_caller+0x74/0x80 [ 166.646264][T11387] ? smack_file_ioctl+0x226/0x2e0 [ 166.651332][T11387] ? __fget+0x4b1/0x510 [ 166.655507][T11387] tomoyo_file_ioctl+0x23/0x30 [ 166.660287][T11387] security_file_ioctl+0x6d/0xd0 [ 166.665352][T11387] __x64_sys_ioctl+0xa3/0x120 [ 166.670046][T11387] do_syscall_64+0xf7/0x1c0 [ 166.674925][T11387] entry_SYSCALL_64_after_hwframe+0x49/0xbe 06:52:33 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x0) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r1, 0xab03) 06:52:33 executing program 0 (fault-call:7 fault-nth:13): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:33 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x0) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 166.681871][T11387] RIP: 0033:0x459a59 [ 166.685775][T11387] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.705910][T11387] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 166.714338][T11387] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 166.717664][T11380] block nbd3: shutting down sockets [ 166.722616][T11387] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 166.722623][T11387] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 166.722628][T11387] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 166.722633][T11387] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 166.734795][T11398] FAULT_INJECTION: forcing a failure. [ 166.734795][T11398] name failslab, interval 1, probability 0, space 0, times 0 [ 166.774421][T11398] CPU: 1 PID: 11398 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 166.782400][T11398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.792534][T11398] Call Trace: [ 166.795829][T11398] dump_stack+0x1d8/0x2f8 [ 166.800147][T11398] should_fail+0x555/0x770 [ 166.806030][T11398] __should_failslab+0x11a/0x160 [ 166.810962][T11398] ? radix_tree_node_alloc+0x1a1/0x370 [ 166.816402][T11398] should_failslab+0x9/0x20 [ 166.820912][T11398] kmem_cache_alloc+0x56/0x2e0 [ 166.825674][T11398] radix_tree_node_alloc+0x1a1/0x370 [ 166.831035][T11398] idr_get_free+0x2b8/0x890 [ 166.835557][T11398] idr_alloc_cyclic+0x18b/0x550 [ 166.841125][T11398] __kernfs_new_node+0x124/0x6b0 [ 166.846056][T11398] ? rcu_lock_release+0x9/0x30 [ 166.850900][T11398] kernfs_new_node+0x97/0x170 [ 166.855656][T11398] __kernfs_create_file+0x4a/0x2f0 [ 166.860843][T11398] sysfs_add_file_mode_ns+0x2dc/0x3a0 [ 166.866204][T11398] sysfs_create_file_ns+0x112/0x1b0 [ 166.871390][T11398] device_create_file+0x10a/0x1d0 [ 166.876401][T11398] nbd_start_device+0x47e/0xbe0 [ 166.881244][T11398] nbd_ioctl+0x3b6/0xac0 [ 166.886516][T11398] ? rcu_lock_release+0x9/0x30 [ 166.892564][T11398] ? nbd_release+0x120/0x120 [ 166.897143][T11398] blkdev_ioctl+0x807/0x2980 [ 166.901991][T11398] ? tomoyo_path_number_perm+0x53e/0x640 [ 166.907622][T11398] block_ioctl+0xbd/0x100 [ 166.911952][T11398] ? blkdev_iopoll+0x100/0x100 [ 166.916787][T11398] do_vfs_ioctl+0x744/0x1730 [ 166.921619][T11398] ? __fget+0x4b1/0x510 [ 166.925938][T11398] ? tomoyo_file_ioctl+0x23/0x30 [ 166.931987][T11398] ? security_file_ioctl+0xa1/0xd0 [ 166.937091][T11398] __x64_sys_ioctl+0xe3/0x120 [ 166.941765][T11398] do_syscall_64+0xf7/0x1c0 [ 166.946263][T11398] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.952136][T11398] RIP: 0033:0x459a59 [ 166.956803][T11398] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 06:52:33 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x0) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 166.976829][T11398] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 166.985223][T11398] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 166.993180][T11398] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 167.001844][T11398] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 167.009975][T11398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 167.017928][T11398] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 06:52:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.036102][ T8309] block nbd4: Receive control failed (result -22) [ 167.047656][ T8309] block nbd2: Receive control failed (result -22) [ 167.055332][ T8309] block nbd0: Receive control failed (result -22) [ 167.062815][ T8309] block nbd4: Receive control failed (result -22) [ 167.064371][T11390] block nbd2: shutting down sockets [ 167.073580][ T8309] block nbd0: Receive control failed (result -22) 06:52:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.085355][T11396] block nbd0: shutting down sockets [ 167.088554][T11381] block nbd4: shutting down sockets 06:52:33 executing program 0 (fault-call:7 fault-nth:14): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:33 executing program 4 (fault-call:10 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.171516][ T8309] block nbd5: Receive control failed (result -22) [ 167.185578][T11409] block nbd5: shutting down sockets [ 167.229419][T11513] FAULT_INJECTION: forcing a failure. [ 167.229419][T11513] name failslab, interval 1, probability 0, space 0, times 0 [ 167.247467][T11513] CPU: 0 PID: 11513 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 167.255400][T11513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.260545][T11521] FAULT_INJECTION: forcing a failure. [ 167.260545][T11521] name failslab, interval 1, probability 0, space 0, times 0 06:52:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:33 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(0x0, 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.265581][T11513] Call Trace: [ 167.265626][T11513] dump_stack+0x1d8/0x2f8 [ 167.265641][T11513] should_fail+0x555/0x770 [ 167.265659][T11513] __should_failslab+0x11a/0x160 [ 167.265671][T11513] ? __d_alloc+0x2d/0x6e0 [ 167.265682][T11513] should_failslab+0x9/0x20 [ 167.265698][T11513] kmem_cache_alloc+0x56/0x2e0 [ 167.305723][T11513] __d_alloc+0x2d/0x6e0 [ 167.305734][T11513] ? rcu_lock_release+0x9/0x30 [ 167.305745][T11513] d_alloc_parallel+0x7f/0x1430 [ 167.305758][T11513] ? memset+0x31/0x40 [ 167.319702][T11513] ? lockdep_init_map+0x2a/0x680 [ 167.319720][T11513] __lookup_slow+0xa7/0x380 [ 167.319737][T11513] lookup_one_len+0x123/0x220 [ 167.343626][T11513] start_creating+0xd3/0x270 [ 167.348583][T11513] ? debugfs_create_dir+0x1c/0x440 [ 167.354664][T11513] debugfs_create_dir+0x27/0x440 [ 167.359604][T11513] nbd_start_device+0x501/0xbe0 [ 167.364479][T11513] nbd_ioctl+0x3b6/0xac0 [ 167.368733][T11513] ? rcu_lock_release+0x9/0x30 [ 167.373503][T11513] ? nbd_release+0x120/0x120 [ 167.378106][T11513] blkdev_ioctl+0x807/0x2980 [ 167.382704][T11513] ? tomoyo_path_number_perm+0x53e/0x640 [ 167.388440][T11513] block_ioctl+0xbd/0x100 [ 167.392774][T11513] ? blkdev_iopoll+0x100/0x100 [ 167.397541][T11513] do_vfs_ioctl+0x744/0x1730 [ 167.402214][T11513] ? __fget+0x4b1/0x510 [ 167.407348][T11513] ? tomoyo_file_ioctl+0x23/0x30 [ 167.412332][T11513] ? security_file_ioctl+0xa1/0xd0 [ 167.417644][T11513] __x64_sys_ioctl+0xe3/0x120 [ 167.422337][T11513] do_syscall_64+0xf7/0x1c0 [ 167.427037][T11513] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.432968][T11513] RIP: 0033:0x459a59 [ 167.436881][T11513] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 167.457572][T11513] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 167.466058][T11513] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 167.474038][T11513] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 167.482102][T11513] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 167.490246][T11513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 167.498223][T11513] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 167.512230][ T8309] block nbd0: Receive control failed (result -22) [ 167.519654][ T8309] block nbd3: Receive control failed (result -22) 06:52:34 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(0x0, 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 167.527196][ T8358] block nbd5: Receive control failed (result -22) [ 167.535339][ T8309] block nbd0: Receive control failed (result -22) [ 167.543470][T11490] block nbd3: shutting down sockets [ 167.551857][T11521] CPU: 0 PID: 11521 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 167.559778][T11521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.559784][T11521] Call Trace: [ 167.559802][T11521] dump_stack+0x1d8/0x2f8 [ 167.559817][T11521] should_fail+0x555/0x770 [ 167.559832][T11521] __should_failslab+0x11a/0x160 [ 167.573189][T11521] ? tomoyo_encode2+0x273/0x5a0 [ 167.573200][T11521] should_failslab+0x9/0x20 [ 167.573212][T11521] __kmalloc+0x7a/0x340 [ 167.573225][T11521] tomoyo_encode2+0x273/0x5a0 [ 167.573241][T11521] tomoyo_realpath_from_path+0x769/0x7c0 [ 167.573258][T11521] tomoyo_path_number_perm+0x166/0x640 [ 167.573298][T11521] ? smack_file_ioctl+0x226/0x2e0 [ 167.588235][T11521] ? __fget+0x4b1/0x510 06:52:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.588252][T11521] tomoyo_file_ioctl+0x23/0x30 [ 167.588263][T11521] security_file_ioctl+0x6d/0xd0 [ 167.588277][T11521] __x64_sys_ioctl+0xa3/0x120 [ 167.588291][T11521] do_syscall_64+0xf7/0x1c0 [ 167.588309][T11521] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.616198][T11527] block nbd5: shutting down sockets [ 167.617748][T11521] RIP: 0033:0x459a59 [ 167.617760][T11521] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 167.617766][T11521] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 167.617776][T11521] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 167.617781][T11521] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 167.617787][T11521] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 167.617792][T11521] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 167.617798][T11521] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:34 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(0x0, 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.633598][T11521] ERROR: Out of memory at tomoyo_realpath_from_path. [ 167.752077][ T8309] block nbd4: Receive control failed (result -22) [ 167.762528][ T8309] block nbd4: Receive control failed (result -22) [ 167.769059][T11509] block nbd0: shutting down sockets [ 167.776164][T11519] block nbd4: shutting down sockets [ 167.784374][ T8309] block nbd3: Receive control failed (result -22) [ 167.811929][T11640] block nbd3: shutting down sockets [ 167.817399][ T8309] block nbd2: Receive control failed (result -22) 06:52:34 executing program 0 (fault-call:7 fault-nth:15): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.851361][T11639] block nbd2: shutting down sockets 06:52:34 executing program 4 (fault-call:10 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:34 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x0, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.878437][ T8309] block nbd5: Receive control failed (result -22) [ 167.886437][T11651] block nbd5: shutting down sockets 06:52:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 167.933390][T11655] FAULT_INJECTION: forcing a failure. [ 167.933390][T11655] name failslab, interval 1, probability 0, space 0, times 0 [ 167.944744][T11660] FAULT_INJECTION: forcing a failure. [ 167.944744][T11660] name failslab, interval 1, probability 0, space 0, times 0 [ 167.953913][T11655] CPU: 1 PID: 11655 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 167.966777][T11655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.976937][T11655] Call Trace: [ 167.977574][T11663] block nbd3: server does not support multiple connections per device. [ 167.980231][T11655] dump_stack+0x1d8/0x2f8 [ 167.980250][T11655] should_fail+0x555/0x770 [ 167.980270][T11655] __should_failslab+0x11a/0x160 [ 167.991726][T11662] block nbd3: shutting down sockets [ 167.992827][T11655] ? new_inode_pseudo+0x135/0x240 [ 167.992841][T11655] should_failslab+0x9/0x20 [ 167.992853][T11655] kmem_cache_alloc+0x56/0x2e0 [ 167.992864][T11655] new_inode_pseudo+0x135/0x240 [ 168.027077][T11655] new_inode+0x28/0x1c0 [ 168.031242][T11655] ? start_creating+0x17b/0x270 [ 168.036112][T11655] debugfs_create_dir+0x6f/0x440 [ 168.041067][T11655] nbd_start_device+0x501/0xbe0 [ 168.046025][T11655] nbd_ioctl+0x3b6/0xac0 [ 168.050267][T11655] ? rcu_lock_release+0x9/0x30 [ 168.055020][T11655] ? nbd_release+0x120/0x120 [ 168.059599][T11655] blkdev_ioctl+0x807/0x2980 [ 168.064184][T11655] ? tomoyo_path_number_perm+0x53e/0x640 [ 168.069828][T11655] block_ioctl+0xbd/0x100 [ 168.074151][T11655] ? blkdev_iopoll+0x100/0x100 [ 168.078904][T11655] do_vfs_ioctl+0x744/0x1730 [ 168.083490][T11655] ? __fget+0x4b1/0x510 [ 168.087652][T11655] ? tomoyo_file_ioctl+0x23/0x30 [ 168.092581][T11655] ? security_file_ioctl+0xa1/0xd0 [ 168.097687][T11655] __x64_sys_ioctl+0xe3/0x120 [ 168.102359][T11655] do_syscall_64+0xf7/0x1c0 [ 168.106855][T11655] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.112736][T11655] RIP: 0033:0x459a59 [ 168.116623][T11655] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.136221][T11655] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 168.144620][T11655] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 168.152584][T11655] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 168.160635][T11655] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.168595][T11655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 168.176560][T11655] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 06:52:34 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 168.184542][T11660] CPU: 0 PID: 11660 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 168.192468][T11660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.192472][T11660] Call Trace: [ 168.192490][T11660] dump_stack+0x1d8/0x2f8 [ 168.192505][T11660] should_fail+0x555/0x770 [ 168.192519][T11660] __should_failslab+0x11a/0x160 [ 168.192532][T11660] should_failslab+0x9/0x20 [ 168.192543][T11660] kmem_cache_alloc_trace+0x5d/0x2f0 [ 168.192558][T11660] ? alloc_workqueue+0x16a/0x13e0 [ 168.210337][T11660] alloc_workqueue+0x16a/0x13e0 [ 168.210348][T11660] ? lock_acquire+0x158/0x250 [ 168.210358][T11660] ? nbd_ioctl+0xe9/0xac0 [ 168.210376][T11660] ? __mutex_lock_common+0x4f5/0x2e20 [ 168.235604][T11655] debugfs: out of free dentries, can not create directory 'nbd0' [ 168.239355][T11660] ? debug_check_no_obj_freed+0x505/0x5b0 [ 168.239365][T11660] ? nbd_ioctl+0xe9/0xac0 [ 168.239374][T11660] ? nbd_start_device+0x134/0xbe0 [ 168.239381][T11660] ? nbd_ioctl+0x1b5/0xac0 [ 168.239397][T11660] nbd_start_device+0x1a6/0xbe0 [ 168.239415][T11660] nbd_ioctl+0x3b6/0xac0 [ 168.248412][T11660] ? rcu_lock_release+0x9/0x30 [ 168.248424][T11660] ? nbd_release+0x120/0x120 [ 168.248437][T11660] blkdev_ioctl+0x807/0x2980 [ 168.248449][T11660] ? tomoyo_path_number_perm+0x53e/0x640 [ 168.248479][T11660] block_ioctl+0xbd/0x100 [ 168.261537][T11660] ? blkdev_iopoll+0x100/0x100 [ 168.261552][T11660] do_vfs_ioctl+0x744/0x1730 [ 168.261560][T11660] ? __fget+0x4b1/0x510 [ 168.261577][T11660] ? tomoyo_file_ioctl+0x23/0x30 [ 168.261587][T11660] ? security_file_ioctl+0xa1/0xd0 [ 168.261597][T11660] __x64_sys_ioctl+0xe3/0x120 [ 168.261610][T11660] do_syscall_64+0xf7/0x1c0 [ 168.261623][T11660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.261631][T11660] RIP: 0033:0x459a59 [ 168.261644][T11660] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.281634][ T8309] block nbd0: Receive control failed (result -22) [ 168.285914][T11660] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 168.285924][T11660] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 168.285930][T11660] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 168.285936][T11660] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.285941][T11660] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 168.285951][T11660] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 0 (fault-call:7 fault-nth:16): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 168.290862][ T8309] block nbd0: Receive control failed (result -22) [ 168.344327][T11739] block nbd3: server does not support multiple connections per device. [ 168.345907][T11660] block nbd4: Could not allocate knbd recv work queue. [ 168.352480][T11654] block nbd0: shutting down sockets [ 168.362272][T11656] block nbd4: shutting down sockets [ 168.390285][ T8309] block nbd5: Receive control failed (result -22) [ 168.421705][T11697] block nbd3: shutting down sockets [ 168.452441][T11698] block nbd5: shutting down sockets 06:52:35 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x0, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:35 executing program 4 (fault-call:10 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 168.504649][ T8309] block nbd2: Receive control failed (result -22) [ 168.512727][T11768] block nbd2: shutting down sockets 06:52:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 168.569415][T11779] FAULT_INJECTION: forcing a failure. [ 168.569415][T11779] name failslab, interval 1, probability 0, space 0, times 0 [ 168.594054][T11783] FAULT_INJECTION: forcing a failure. [ 168.594054][T11783] name failslab, interval 1, probability 0, space 0, times 0 [ 168.609339][T11779] CPU: 1 PID: 11779 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 168.617262][T11779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.627364][T11779] Call Trace: [ 168.630670][T11779] dump_stack+0x1d8/0x2f8 [ 168.635023][T11779] should_fail+0x555/0x770 [ 168.639544][T11779] __should_failslab+0x11a/0x160 [ 168.644494][T11779] ? security_inode_alloc+0x36/0x1e0 [ 168.649775][T11779] should_failslab+0x9/0x20 [ 168.654278][T11779] kmem_cache_alloc+0x56/0x2e0 [ 168.660000][T11779] security_inode_alloc+0x36/0x1e0 [ 168.665108][T11779] inode_init_always+0x3b5/0x920 [ 168.670039][T11779] new_inode_pseudo+0x7f/0x240 [ 168.674798][T11779] new_inode+0x28/0x1c0 [ 168.678950][T11779] ? start_creating+0x17b/0x270 [ 168.684437][T11779] debugfs_create_dir+0x6f/0x440 [ 168.689371][T11779] nbd_start_device+0x501/0xbe0 [ 168.694222][T11779] nbd_ioctl+0x3b6/0xac0 [ 168.698462][T11779] ? rcu_lock_release+0x9/0x30 [ 168.703216][T11779] ? nbd_release+0x120/0x120 [ 168.707891][T11779] blkdev_ioctl+0x807/0x2980 [ 168.712475][T11779] ? tomoyo_path_number_perm+0x53e/0x640 [ 168.718120][T11779] block_ioctl+0xbd/0x100 [ 168.722446][T11779] ? blkdev_iopoll+0x100/0x100 [ 168.727226][T11779] do_vfs_ioctl+0x744/0x1730 [ 168.731869][T11779] ? __fget+0x4b1/0x510 [ 168.736025][T11779] ? tomoyo_file_ioctl+0x23/0x30 [ 168.740956][T11779] ? security_file_ioctl+0xa1/0xd0 [ 168.746061][T11779] __x64_sys_ioctl+0xe3/0x120 [ 168.750730][T11779] do_syscall_64+0xf7/0x1c0 [ 168.755226][T11779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.761113][T11779] RIP: 0033:0x459a59 [ 168.764999][T11779] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.785206][T11779] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 168.793699][T11779] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 168.802099][T11779] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 168.810063][T11779] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.818025][T11779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 168.825985][T11779] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 168.834025][T11783] CPU: 0 PID: 11783 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 168.841933][T11783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.852028][T11783] Call Trace: [ 168.855336][T11783] dump_stack+0x1d8/0x2f8 [ 168.857628][T11779] debugfs: out of free dentries, can not create directory 'nbd0' [ 168.859672][T11783] should_fail+0x555/0x770 [ 168.859692][T11783] __should_failslab+0x11a/0x160 [ 168.859707][T11783] should_failslab+0x9/0x20 [ 168.859718][T11783] kmem_cache_alloc_trace+0x5d/0x2f0 [ 168.859732][T11783] ? alloc_workqueue+0x16a/0x13e0 [ 168.868920][ T8309] block nbd0: Receive control failed (result -22) [ 168.872920][T11783] alloc_workqueue+0x16a/0x13e0 [ 168.872929][T11783] ? lock_acquire+0x158/0x250 [ 168.872939][T11783] ? nbd_ioctl+0xe9/0xac0 [ 168.872959][T11783] ? __mutex_lock_common+0x4f5/0x2e20 06:52:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x0, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 168.872971][T11783] ? debug_check_no_obj_freed+0x505/0x5b0 [ 168.872978][T11783] ? nbd_ioctl+0xe9/0xac0 [ 168.872986][T11783] ? nbd_start_device+0x134/0xbe0 [ 168.872992][T11783] ? nbd_ioctl+0x1b5/0xac0 [ 168.873005][T11783] nbd_start_device+0x1a6/0xbe0 [ 168.873022][T11783] nbd_ioctl+0x3b6/0xac0 [ 168.873033][T11783] ? rcu_lock_release+0x9/0x30 [ 168.873045][T11783] ? nbd_release+0x120/0x120 [ 168.879368][ T8309] block nbd0: Receive control failed (result -22) [ 168.883610][T11783] blkdev_ioctl+0x807/0x2980 06:52:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 168.883625][T11783] ? tomoyo_path_number_perm+0x53e/0x640 [ 168.883658][T11783] block_ioctl+0xbd/0x100 [ 168.883666][T11783] ? blkdev_iopoll+0x100/0x100 [ 168.883678][T11783] do_vfs_ioctl+0x744/0x1730 [ 168.883685][T11783] ? __fget+0x4b1/0x510 [ 168.883699][T11783] ? tomoyo_file_ioctl+0x23/0x30 [ 168.883711][T11783] ? security_file_ioctl+0xa1/0xd0 [ 168.894269][T11783] __x64_sys_ioctl+0xe3/0x120 [ 168.894286][T11783] do_syscall_64+0xf7/0x1c0 [ 168.894301][T11783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.894311][T11783] RIP: 0033:0x459a59 [ 168.894320][T11783] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.894331][T11783] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 168.905585][T11783] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 168.905590][T11783] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 168.905595][T11783] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.905599][T11783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 168.905604][T11783] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 168.919661][T11783] block nbd4: Could not allocate knbd recv work queue. [ 168.953037][T11778] block nbd0: shutting down sockets [ 168.991569][ T8309] block nbd2: Receive control failed (result -22) [ 169.014622][T11781] block nbd4: shutting down sockets 06:52:35 executing program 4 (fault-call:10 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.059499][T11800] block nbd3: server does not support multiple connections per device. [ 169.073611][T11791] block nbd2: shutting down sockets [ 169.130373][T11796] block nbd3: shutting down sockets [ 169.132084][ T8309] block nbd5: Receive control failed (result -22) [ 169.149866][T11797] block nbd5: shutting down sockets 06:52:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 0 (fault-call:7 fault-nth:17): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.219547][T11804] FAULT_INJECTION: forcing a failure. [ 169.219547][T11804] name failslab, interval 1, probability 0, space 0, times 0 [ 169.258485][ T8309] block nbd5: Receive control failed (result -22) 06:52:36 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x0) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 169.266688][T11806] block nbd5: shutting down sockets [ 169.270520][T11804] CPU: 0 PID: 11804 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 169.279808][T11804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.289874][T11804] Call Trace: [ 169.293177][T11804] dump_stack+0x1d8/0x2f8 [ 169.297525][T11804] should_fail+0x555/0x770 [ 169.302048][T11804] __should_failslab+0x11a/0x160 [ 169.307032][T11804] ? kasprintf+0x6a/0x90 [ 169.311291][T11804] should_failslab+0x9/0x20 [ 169.312365][T11817] block nbd3: server does not support multiple connections per device. [ 169.315812][T11804] __kmalloc_track_caller+0x79/0x340 [ 169.325091][T11811] block nbd3: shutting down sockets [ 169.329316][T11804] kvasprintf+0x70/0xf0 [ 169.329330][T11804] kasprintf+0x6a/0x90 [ 169.329348][T11804] alloc_workqueue+0x52d/0x13e0 [ 169.329358][T11804] ? lock_acquire+0x158/0x250 [ 169.329378][T11804] ? __mutex_lock_common+0x4f5/0x2e20 [ 169.329390][T11804] ? debug_check_no_obj_freed+0x505/0x5b0 [ 169.329402][T11804] ? nbd_ioctl+0xe9/0xac0 06:52:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.367736][T11804] ? nbd_start_device+0x134/0xbe0 [ 169.372767][T11804] ? nbd_ioctl+0x1b5/0xac0 [ 169.377233][T11804] nbd_start_device+0x1a6/0xbe0 [ 169.382101][T11804] nbd_ioctl+0x3b6/0xac0 [ 169.386709][T11804] ? rcu_lock_release+0x9/0x30 [ 169.389676][ T8309] block nbd2: Receive control failed (result -22) [ 169.391478][T11804] ? nbd_release+0x120/0x120 [ 169.391492][T11804] blkdev_ioctl+0x807/0x2980 [ 169.391504][T11804] ? tomoyo_path_number_perm+0x53e/0x640 [ 169.391532][T11804] block_ioctl+0xbd/0x100 [ 169.391540][T11804] ? blkdev_iopoll+0x100/0x100 [ 169.391551][T11804] do_vfs_ioctl+0x744/0x1730 [ 169.391559][T11804] ? __fget+0x4b1/0x510 [ 169.391574][T11804] ? tomoyo_file_ioctl+0x23/0x30 [ 169.391584][T11804] ? security_file_ioctl+0xa1/0xd0 [ 169.391597][T11804] __x64_sys_ioctl+0xe3/0x120 [ 169.402708][T11804] do_syscall_64+0xf7/0x1c0 [ 169.402724][T11804] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.402734][T11804] RIP: 0033:0x459a59 [ 169.402744][T11804] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.402749][T11804] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 169.402757][T11804] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 169.402762][T11804] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 169.402768][T11804] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:36 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x0) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 169.402773][T11804] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 169.402778][T11804] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 169.421590][T11809] FAULT_INJECTION: forcing a failure. [ 169.421590][T11809] name failslab, interval 1, probability 0, space 0, times 0 [ 169.444855][T11813] block nbd2: shutting down sockets [ 169.507626][T11924] block nbd3: server does not support multiple connections per device. [ 169.513756][ T8309] block nbd5: Receive control failed (result -22) [ 169.537302][T11922] block nbd3: shutting down sockets 06:52:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.577481][T11809] CPU: 0 PID: 11809 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 169.579290][T11883] block nbd5: shutting down sockets [ 169.585415][T11809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.585420][T11809] Call Trace: [ 169.585440][T11809] dump_stack+0x1d8/0x2f8 [ 169.585455][T11809] should_fail+0x555/0x770 [ 169.585471][T11809] __should_failslab+0x11a/0x160 [ 169.585482][T11809] ? new_inode_pseudo+0x135/0x240 [ 169.585494][T11809] should_failslab+0x9/0x20 [ 169.585505][T11809] kmem_cache_alloc+0x56/0x2e0 [ 169.585517][T11809] new_inode_pseudo+0x135/0x240 [ 169.585527][T11809] new_inode+0x28/0x1c0 [ 169.585537][T11809] ? start_creating+0x17b/0x270 [ 169.585548][T11809] __debugfs_create_file+0xbc/0x470 [ 169.585563][T11809] debugfs_create_file+0x4a/0x60 [ 169.585577][T11809] nbd_start_device+0x55e/0xbe0 [ 169.633961][T11809] nbd_ioctl+0x3b6/0xac0 [ 169.633977][T11809] ? rcu_lock_release+0x9/0x30 [ 169.633989][T11809] ? nbd_release+0x120/0x120 [ 169.642990][T11809] blkdev_ioctl+0x807/0x2980 [ 169.643002][T11809] ? tomoyo_path_number_perm+0x53e/0x640 [ 169.643030][T11809] block_ioctl+0xbd/0x100 [ 169.643039][T11809] ? blkdev_iopoll+0x100/0x100 [ 169.643051][T11809] do_vfs_ioctl+0x744/0x1730 [ 169.643062][T11809] ? __fget+0x4b1/0x510 [ 169.651954][ T8309] block nbd4: Receive control failed (result -22) [ 169.653080][T11809] ? tomoyo_file_ioctl+0x23/0x30 [ 169.653092][T11809] ? security_file_ioctl+0xa1/0xd0 [ 169.653106][T11809] __x64_sys_ioctl+0xe3/0x120 06:52:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 169.653121][T11809] do_syscall_64+0xf7/0x1c0 [ 169.658797][ T8309] block nbd4: Receive control failed (result -22) [ 169.662978][T11809] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.662988][T11809] RIP: 0033:0x459a59 [ 169.662999][T11809] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.663004][T11809] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 169.663015][T11809] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 169.663020][T11809] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 169.663025][T11809] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 169.663030][T11809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 169.663035][T11809] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 169.729940][T11809] debugfs: out of free dentries, can not create file 'tasks' [ 169.760768][T11934] block nbd3: shutting down sockets [ 169.785892][ T8309] block nbd0: Receive control failed (result -22) [ 169.801930][ T8309] block nbd0: Receive control failed (result -22) [ 169.811502][ T8358] block nbd5: Receive control failed (result -22) [ 169.850742][ T8358] block nbd2: Receive control failed (result -22) [ 169.852741][T11803] block nbd4: shutting down sockets [ 169.867486][T11808] block nbd0: shutting down sockets [ 169.871914][T11933] block nbd2: shutting down sockets 06:52:36 executing program 4 (fault-call:10 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:36 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x0) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:36 executing program 0 (fault-call:7 fault-nth:18): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.925420][T11926] block nbd5: shutting down sockets 06:52:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 169.979993][T11939] block nbd3: shutting down sockets [ 169.993970][T11945] FAULT_INJECTION: forcing a failure. [ 169.993970][T11945] name failslab, interval 1, probability 0, space 0, times 0 [ 169.995192][T11950] FAULT_INJECTION: forcing a failure. [ 169.995192][T11950] name failslab, interval 1, probability 0, space 0, times 0 [ 170.029382][T11945] CPU: 1 PID: 11945 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 170.037321][T11945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.047472][T11945] Call Trace: [ 170.050766][T11945] dump_stack+0x1d8/0x2f8 [ 170.055105][T11945] should_fail+0x555/0x770 [ 170.060913][T11945] __should_failslab+0x11a/0x160 [ 170.066807][T11945] ? security_inode_alloc+0x36/0x1e0 [ 170.072127][T11945] should_failslab+0x9/0x20 [ 170.076626][T11945] kmem_cache_alloc+0x56/0x2e0 [ 170.081479][T11945] security_inode_alloc+0x36/0x1e0 [ 170.086584][T11945] inode_init_always+0x3b5/0x920 [ 170.091517][T11945] new_inode_pseudo+0x7f/0x240 [ 170.096277][T11945] new_inode+0x28/0x1c0 [ 170.100440][T11945] ? start_creating+0x17b/0x270 [ 170.105287][T11945] __debugfs_create_file+0xbc/0x470 [ 170.110504][T11945] debugfs_create_file+0x4a/0x60 [ 170.115454][T11945] nbd_start_device+0x55e/0xbe0 [ 170.120916][T11945] nbd_ioctl+0x3b6/0xac0 [ 170.125180][T11945] ? rcu_lock_release+0x9/0x30 [ 170.129945][T11945] ? nbd_release+0x120/0x120 [ 170.134527][T11945] blkdev_ioctl+0x807/0x2980 [ 170.139122][T11945] ? tomoyo_path_number_perm+0x53e/0x640 [ 170.144771][T11945] block_ioctl+0xbd/0x100 [ 170.149109][T11945] ? blkdev_iopoll+0x100/0x100 [ 170.153871][T11945] do_vfs_ioctl+0x744/0x1730 [ 170.158456][T11945] ? __fget+0x4b1/0x510 [ 170.162611][T11945] ? tomoyo_file_ioctl+0x23/0x30 [ 170.167548][T11945] ? security_file_ioctl+0xa1/0xd0 [ 170.172664][T11945] __x64_sys_ioctl+0xe3/0x120 [ 170.177348][T11945] do_syscall_64+0xf7/0x1c0 [ 170.181845][T11945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.187902][T11945] RIP: 0033:0x459a59 [ 170.191789][T11945] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 170.211407][T11945] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 170.219833][T11945] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 170.227799][T11945] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 170.235854][T11945] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.243821][T11945] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 170.251786][T11945] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 170.260041][T11950] CPU: 0 PID: 11950 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 170.267947][T11950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.278013][T11950] Call Trace: [ 170.281342][T11950] dump_stack+0x1d8/0x2f8 [ 170.285690][T11950] should_fail+0x555/0x770 [ 170.290122][T11950] __should_failslab+0x11a/0x160 [ 170.295071][T11950] ? kzalloc+0x1f/0x40 [ 170.298932][T11945] debugfs: out of free dentries, can not create file 'tasks' [ 170.299145][T11950] should_failslab+0x9/0x20 [ 170.310985][T11950] __kmalloc+0x7a/0x340 [ 170.311004][T11950] kzalloc+0x1f/0x40 [ 170.311015][T11950] apply_wqattrs_prepare+0xb1/0xab0 [ 170.311030][T11950] ? alloc_workqueue+0xd7d/0x13e0 06:52:37 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(0x0, &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 170.311044][T11950] ? trace_lock_acquire+0x159/0x1d0 [ 170.311060][T11950] apply_workqueue_attrs_locked+0xc5/0x650 [ 170.311073][T11950] alloc_workqueue+0xd8a/0x13e0 [ 170.324271][T11950] ? lock_acquire+0x158/0x250 [ 170.324296][T11950] ? __mutex_lock_common+0x4f5/0x2e20 [ 170.324315][T11950] ? debug_check_no_obj_freed+0x505/0x5b0 [ 170.324324][T11950] ? nbd_ioctl+0xe9/0xac0 [ 170.324332][T11950] ? nbd_start_device+0x134/0xbe0 [ 170.324338][T11950] ? nbd_ioctl+0x1b5/0xac0 [ 170.324351][T11950] nbd_start_device+0x1a6/0xbe0 [ 170.324368][T11950] nbd_ioctl+0x3b6/0xac0 [ 170.324384][T11950] ? rcu_lock_release+0x9/0x30 [ 170.331626][ T8358] block nbd0: Receive control failed (result -22) [ 170.334594][T11950] ? nbd_release+0x120/0x120 [ 170.334609][T11950] blkdev_ioctl+0x807/0x2980 [ 170.341336][ T8358] block nbd0: Receive control failed (result -22) [ 170.345339][T11950] ? tomoyo_path_number_perm+0x53e/0x640 [ 170.371240][T11940] block nbd0: shutting down sockets [ 170.374903][T11950] block_ioctl+0xbd/0x100 [ 170.374914][T11950] ? blkdev_iopoll+0x100/0x100 [ 170.374927][T11950] do_vfs_ioctl+0x744/0x1730 [ 170.374936][T11950] ? __fget+0x4b1/0x510 [ 170.374953][T11950] ? tomoyo_file_ioctl+0x23/0x30 [ 170.374965][T11950] ? security_file_ioctl+0xa1/0xd0 [ 170.374976][T11950] __x64_sys_ioctl+0xe3/0x120 [ 170.374989][T11950] do_syscall_64+0xf7/0x1c0 [ 170.375002][T11950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.375012][T11950] RIP: 0033:0x459a59 [ 170.375022][T11950] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 170.375030][T11950] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 170.501748][T11950] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 170.509934][T11950] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 170.518067][T11950] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:37 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(0x0, &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 170.526192][T11950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 170.534252][T11950] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 170.549314][ T8309] block nbd2: Receive control failed (result -22) [ 170.569258][T11942] block nbd2: shutting down sockets [ 170.589437][ T8309] block nbd5: Receive control failed (result -22) [ 170.598367][T12057] block nbd5: shutting down sockets [ 170.600073][T11950] block nbd4: Could not allocate knbd recv work queue. 06:52:37 executing program 0 (fault-call:7 fault-nth:19): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 170.642451][T12063] block nbd3: shutting down sockets [ 170.657635][T11943] block nbd4: shutting down sockets [ 170.711580][T12068] FAULT_INJECTION: forcing a failure. [ 170.711580][T12068] name failslab, interval 1, probability 0, space 0, times 0 [ 170.739198][T12068] CPU: 1 PID: 12068 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 170.747145][T12068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.757729][T12068] Call Trace: [ 170.761332][T12068] dump_stack+0x1d8/0x2f8 [ 170.765670][T12068] should_fail+0x555/0x770 [ 170.770257][T12068] __should_failslab+0x11a/0x160 [ 170.771190][ T8309] block nbd2: Receive control failed (result -22) [ 170.775307][T12068] ? __d_alloc+0x2d/0x6e0 [ 170.775320][T12068] should_failslab+0x9/0x20 [ 170.775331][T12068] kmem_cache_alloc+0x56/0x2e0 [ 170.775345][T12068] __d_alloc+0x2d/0x6e0 [ 170.775357][T12068] ? rcu_lock_release+0x9/0x30 [ 170.786209][T12068] d_alloc_parallel+0x7f/0x1430 [ 170.795452][T12068] ? memset+0x31/0x40 [ 170.795463][T12068] ? lockdep_init_map+0x2a/0x680 [ 170.795476][T12068] __lookup_slow+0xa7/0x380 [ 170.795492][T12068] lookup_one_len+0x123/0x220 [ 170.795505][T12068] start_creating+0xd3/0x270 [ 170.795517][T12068] __debugfs_create_file+0x75/0x470 [ 170.795530][T12068] debugfs_create_file_unsafe+0x4a/0x60 [ 170.795543][T12068] debugfs_create_u64+0x82/0x90 [ 170.807822][T12072] block nbd2: shutting down sockets [ 170.809482][T12068] nbd_start_device+0x579/0xbe0 [ 170.857837][T12068] nbd_ioctl+0x3b6/0xac0 [ 170.862063][T12068] ? rcu_lock_release+0x9/0x30 [ 170.866804][T12068] ? nbd_release+0x120/0x120 [ 170.871398][T12068] blkdev_ioctl+0x807/0x2980 [ 170.875975][T12068] ? tomoyo_path_number_perm+0x53e/0x640 [ 170.881606][T12068] block_ioctl+0xbd/0x100 [ 170.885909][T12068] ? blkdev_iopoll+0x100/0x100 [ 170.890649][T12068] do_vfs_ioctl+0x744/0x1730 [ 170.895213][T12068] ? __fget+0x4b1/0x510 [ 170.899357][T12068] ? tomoyo_file_ioctl+0x23/0x30 [ 170.904457][T12068] ? security_file_ioctl+0xa1/0xd0 [ 170.909555][T12068] __x64_sys_ioctl+0xe3/0x120 [ 170.914227][T12068] do_syscall_64+0xf7/0x1c0 [ 170.918708][T12068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.924576][T12068] RIP: 0033:0x459a59 [ 170.928447][T12068] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 170.948028][T12068] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 170.956423][T12068] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 170.964380][T12068] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 170.972329][T12068] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.980482][T12068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 170.988453][T12068] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 06:52:37 executing program 4 (fault-call:10 fault-nth:7): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:37 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(0x0, &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:37 executing program 3 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 171.006869][ T8309] block nbd0: Receive control failed (result -22) [ 171.006873][ T8358] block nbd0: Receive control failed (result -22) [ 171.023985][T12067] block nbd0: shutting down sockets [ 171.060116][T12077] block nbd5: server does not support multiple connections per device. [ 171.070392][T12080] FAULT_INJECTION: forcing a failure. [ 171.070392][T12080] name failslab, interval 1, probability 0, space 0, times 0 [ 171.076006][T12076] block nbd5: shutting down sockets [ 171.086344][T12085] FAULT_INJECTION: forcing a failure. [ 171.086344][T12085] name failslab, interval 1, probability 0, space 0, times 0 [ 171.103681][T12080] CPU: 1 PID: 12080 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 171.111606][T12080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.121753][T12080] Call Trace: [ 171.125056][T12080] dump_stack+0x1d8/0x2f8 [ 171.129409][T12080] should_fail+0x555/0x770 [ 171.133833][T12080] __should_failslab+0x11a/0x160 [ 171.138778][T12080] should_failslab+0x9/0x20 [ 171.143283][T12080] kmem_cache_alloc_trace+0x5d/0x2f0 [ 171.148559][T12080] ? apply_wqattrs_prepare+0xe9/0xab0 [ 171.153925][T12080] apply_wqattrs_prepare+0xe9/0xab0 [ 171.159115][T12080] ? alloc_workqueue+0xd7d/0x13e0 [ 171.164133][T12080] ? trace_lock_acquire+0x159/0x1d0 [ 171.169347][T12080] apply_workqueue_attrs_locked+0xc5/0x650 [ 171.175173][T12080] alloc_workqueue+0xd8a/0x13e0 [ 171.180015][T12080] ? lock_acquire+0x158/0x250 [ 171.184779][T12080] ? __mutex_lock_common+0x4f5/0x2e20 [ 171.190143][T12080] ? debug_check_no_obj_freed+0x505/0x5b0 [ 171.195859][T12080] ? nbd_ioctl+0xe9/0xac0 [ 171.200273][T12080] ? nbd_start_device+0x134/0xbe0 [ 171.205302][T12080] ? nbd_ioctl+0x1b5/0xac0 [ 171.209731][T12080] nbd_start_device+0x1a6/0xbe0 [ 171.214583][T12080] nbd_ioctl+0x3b6/0xac0 [ 171.218906][T12080] ? rcu_lock_release+0x9/0x30 [ 171.223657][T12080] ? nbd_release+0x120/0x120 [ 171.228789][T12080] blkdev_ioctl+0x807/0x2980 [ 171.233371][T12080] ? tomoyo_path_number_perm+0x53e/0x640 [ 171.239117][T12080] block_ioctl+0xbd/0x100 [ 171.243453][T12080] ? blkdev_iopoll+0x100/0x100 [ 171.248227][T12080] do_vfs_ioctl+0x744/0x1730 [ 171.252812][T12080] ? __fget+0x4b1/0x510 [ 171.256997][T12080] ? tomoyo_file_ioctl+0x23/0x30 [ 171.262279][T12080] ? security_file_ioctl+0xa1/0xd0 [ 171.267382][T12080] __x64_sys_ioctl+0xe3/0x120 [ 171.272052][T12080] do_syscall_64+0xf7/0x1c0 [ 171.276547][T12080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.282429][T12080] RIP: 0033:0x459a59 [ 171.286311][T12080] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 171.305913][T12080] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 171.314314][T12080] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 171.322277][T12080] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 171.330240][T12080] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 171.338237][T12080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 171.348643][T12080] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 171.356654][T12085] CPU: 0 PID: 12085 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0 [ 171.364569][T12085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.364574][T12085] Call Trace: [ 171.364590][T12085] dump_stack+0x1d8/0x2f8 [ 171.364605][T12085] should_fail+0x555/0x770 [ 171.364619][T12085] __should_failslab+0x11a/0x160 [ 171.364630][T12085] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 171.364641][T12085] should_failslab+0x9/0x20 [ 171.364657][T12085] __kmalloc+0x7a/0x340 [ 171.378005][T12085] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 171.378018][T12085] tomoyo_realpath_from_path+0xdc/0x7c0 [ 171.378035][T12085] tomoyo_path_number_perm+0x166/0x640 [ 171.422901][T12085] ? smack_file_ioctl+0x226/0x2e0 [ 171.427966][T12085] ? __fget+0x4b1/0x510 [ 171.432143][T12085] tomoyo_file_ioctl+0x23/0x30 [ 171.436926][T12085] security_file_ioctl+0x6d/0xd0 [ 171.438156][T12186] block nbd5: server does not support multiple connections per device. [ 171.441878][T12085] __x64_sys_ioctl+0xa3/0x120 [ 171.441892][T12085] do_syscall_64+0xf7/0x1c0 [ 171.441906][T12085] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.441916][T12085] RIP: 0033:0x459a59 [ 171.441926][T12085] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 171.441932][T12085] RSP: 002b:00007f91f3eb4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 171.441940][T12085] RAX: ffffffffffffffda RBX: 00007f91f3eb4c90 RCX: 0000000000459a59 06:52:38 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:38 executing program 0 (fault-call:7 fault-nth:20): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 171.441945][T12085] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 171.441950][T12085] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 171.441954][T12085] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91f3eb56d4 [ 171.441959][T12085] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 171.481639][T12085] ERROR: Out of memory at tomoyo_realpath_from_path. [ 171.497741][ T8358] block nbd2: Receive control failed (result -22) [ 171.512458][T12146] block nbd5: shutting down sockets [ 171.524773][T12080] block nbd4: Could not allocate knbd recv work queue. [ 171.539164][T12191] FAULT_INJECTION: forcing a failure. [ 171.539164][T12191] name failslab, interval 1, probability 0, space 0, times 0 [ 171.549694][T12191] CPU: 0 PID: 12191 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 171.568934][T12191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.568940][T12191] Call Trace: [ 171.568966][T12191] dump_stack+0x1d8/0x2f8 [ 171.568983][T12191] should_fail+0x555/0x770 06:52:38 executing program 4 (fault-call:10 fault-nth:8): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 171.584206][T12078] block nbd4: shutting down sockets [ 171.590632][T12191] __should_failslab+0x11a/0x160 [ 171.622823][T12191] ? security_inode_alloc+0x36/0x1e0 [ 171.628221][T12191] should_failslab+0x9/0x20 [ 171.632780][T12191] kmem_cache_alloc+0x56/0x2e0 [ 171.637578][T12191] security_inode_alloc+0x36/0x1e0 [ 171.642737][T12191] inode_init_always+0x3b5/0x920 [ 171.648657][T12191] new_inode_pseudo+0x7f/0x240 [ 171.653437][T12191] new_inode+0x28/0x1c0 [ 171.658675][T12191] ? start_creating+0x17b/0x270 [ 171.663555][T12191] __debugfs_create_file+0xbc/0x470 [ 171.668777][T12191] debugfs_create_file_unsafe+0x4a/0x60 [ 171.673179][T12256] FAULT_INJECTION: forcing a failure. [ 171.673179][T12256] name failslab, interval 1, probability 0, space 0, times 0 [ 171.674432][T12191] debugfs_create_u64+0x82/0x90 [ 171.674445][T12191] nbd_start_device+0x579/0xbe0 [ 171.674462][T12191] nbd_ioctl+0x3b6/0xac0 [ 171.701778][T12191] ? rcu_lock_release+0x9/0x30 [ 171.706549][T12191] ? nbd_release+0x120/0x120 [ 171.711149][T12191] blkdev_ioctl+0x807/0x2980 [ 171.715746][T12191] ? tomoyo_path_number_perm+0x53e/0x640 [ 171.721395][T12191] block_ioctl+0xbd/0x100 [ 171.725748][T12191] ? blkdev_iopoll+0x100/0x100 [ 171.730509][T12191] do_vfs_ioctl+0x744/0x1730 [ 171.735271][T12191] ? __fget+0x4b1/0x510 [ 171.739424][T12191] ? tomoyo_file_ioctl+0x23/0x30 [ 171.745405][T12191] ? security_file_ioctl+0xa1/0xd0 [ 171.750540][T12191] __x64_sys_ioctl+0xe3/0x120 [ 171.755392][T12191] do_syscall_64+0xf7/0x1c0 [ 171.759901][T12191] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.766484][T12191] RIP: 0033:0x459a59 [ 171.770370][T12191] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 171.790835][T12191] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 171.799333][T12191] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 171.807300][T12191] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 171.815265][T12191] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 171.823243][T12191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 171.831337][T12191] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 171.839324][T12256] CPU: 1 PID: 12256 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 171.842052][T12082] block nbd2: shutting down sockets [ 171.847222][T12256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.847227][T12256] Call Trace: [ 171.847243][T12256] dump_stack+0x1d8/0x2f8 [ 171.847257][T12256] should_fail+0x555/0x770 [ 171.847273][T12256] __should_failslab+0x11a/0x160 [ 171.875114][T12191] debugfs: out of free dentries, can not create file 'size_bytes' [ 171.876122][T12256] should_failslab+0x9/0x20 [ 171.876135][T12256] kmem_cache_alloc_trace+0x5d/0x2f0 [ 171.876147][T12256] ? apply_wqattrs_prepare+0x199/0xab0 [ 171.876161][T12256] apply_wqattrs_prepare+0x199/0xab0 06:52:38 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 171.876170][T12256] ? alloc_workqueue+0xd7d/0x13e0 [ 171.876183][T12256] ? trace_lock_acquire+0x159/0x1d0 [ 171.894129][T12256] apply_workqueue_attrs_locked+0xc5/0x650 [ 171.894146][T12256] alloc_workqueue+0xd8a/0x13e0 [ 171.894156][T12256] ? lock_acquire+0x158/0x250 [ 171.894174][T12256] ? __mutex_lock_common+0x4f5/0x2e20 [ 171.894186][T12256] ? debug_check_no_obj_freed+0x505/0x5b0 [ 171.894197][T12256] ? nbd_ioctl+0xe9/0xac0 [ 171.910346][T12256] ? nbd_start_device+0x134/0xbe0 [ 171.910356][T12256] ? nbd_ioctl+0x1b5/0xac0 [ 171.910371][T12256] nbd_start_device+0x1a6/0xbe0 [ 171.910392][T12256] nbd_ioctl+0x3b6/0xac0 [ 171.910404][T12256] ? rcu_lock_release+0x9/0x30 [ 171.910415][T12256] ? nbd_release+0x120/0x120 [ 171.940117][ T8358] block nbd0: Receive control failed (result -22) [ 171.941409][T12256] blkdev_ioctl+0x807/0x2980 [ 171.941424][T12256] ? tomoyo_path_number_perm+0x53e/0x640 [ 171.941458][T12256] block_ioctl+0xbd/0x100 [ 171.941466][T12256] ? blkdev_iopoll+0x100/0x100 [ 171.941479][T12256] do_vfs_ioctl+0x744/0x1730 06:52:38 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 171.941487][T12256] ? __fget+0x4b1/0x510 [ 171.941504][T12256] ? tomoyo_file_ioctl+0x23/0x30 [ 171.947907][ T8358] block nbd0: Receive control failed (result -22) [ 171.951636][T12256] ? security_file_ioctl+0xa1/0xd0 [ 171.951651][T12256] __x64_sys_ioctl+0xe3/0x120 [ 171.951664][T12256] do_syscall_64+0xf7/0x1c0 [ 171.951677][T12256] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.951690][T12256] RIP: 0033:0x459a59 [ 171.960841][T12190] block nbd0: shutting down sockets 06:52:38 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', 0x0, 0x0, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 171.961095][T12256] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.077771][T12256] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 172.086362][T12256] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 172.094344][T12256] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 172.095155][T12311] Invalid argument reading file caps for ./file0 06:52:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.102340][T12256] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 172.102347][T12256] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 172.102352][T12256] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 172.129062][T12314] block nbd5: server does not support multiple connections per device. 06:52:38 executing program 0 (fault-call:7 fault-nth:21): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.174373][T12256] block nbd4: Could not allocate knbd recv work queue. [ 172.183158][T12313] block nbd5: shutting down sockets [ 172.197216][ T8358] block nbd3: Receive control failed (result -22) [ 172.199327][T12239] block nbd4: shutting down sockets [ 172.210693][ T8358] block nbd3: Receive control failed (result -22) [ 172.224270][T12085] block nbd3: shutting down sockets 06:52:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:39 executing program 4 (fault-call:10 fault-nth:9): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.290245][T12317] FAULT_INJECTION: forcing a failure. [ 172.290245][T12317] name failslab, interval 1, probability 0, space 0, times 0 [ 172.324720][T12317] CPU: 0 PID: 12317 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 06:52:39 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', 0x0, 0x0, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 172.332761][T12317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.332767][T12317] Call Trace: [ 172.332786][T12317] dump_stack+0x1d8/0x2f8 [ 172.332802][T12317] should_fail+0x555/0x770 [ 172.332818][T12317] __should_failslab+0x11a/0x160 [ 172.332831][T12317] ? security_inode_alloc+0x36/0x1e0 [ 172.332842][T12317] should_failslab+0x9/0x20 [ 172.332854][T12317] kmem_cache_alloc+0x56/0x2e0 [ 172.332867][T12317] security_inode_alloc+0x36/0x1e0 [ 172.357280][T12327] block nbd5: server does not support multiple connections per device. [ 172.361667][T12317] inode_init_always+0x3b5/0x920 [ 172.361681][T12317] new_inode_pseudo+0x7f/0x240 [ 172.361697][T12317] new_inode+0x28/0x1c0 [ 172.361707][T12317] ? start_creating+0x17b/0x270 [ 172.361718][T12317] __debugfs_create_file+0xbc/0x470 [ 172.361732][T12317] debugfs_create_file_unsafe+0x4a/0x60 [ 172.361741][T12317] debugfs_create_u64+0x82/0x90 [ 172.361753][T12317] nbd_start_device+0x579/0xbe0 [ 172.361772][T12317] nbd_ioctl+0x3b6/0xac0 [ 172.361786][T12317] ? rcu_lock_release+0x9/0x30 [ 172.361796][T12317] ? nbd_release+0x120/0x120 [ 172.361807][T12317] blkdev_ioctl+0x807/0x2980 [ 172.361820][T12317] ? tomoyo_path_number_perm+0x53e/0x640 [ 172.376574][ T8358] block nbd2: Receive control failed (result -22) [ 172.376748][T12317] block_ioctl+0xbd/0x100 [ 172.384310][T12326] FAULT_INJECTION: forcing a failure. [ 172.384310][T12326] name failslab, interval 1, probability 0, space 0, times 0 [ 172.390368][T12317] ? blkdev_iopoll+0x100/0x100 [ 172.390382][T12317] do_vfs_ioctl+0x744/0x1730 06:52:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.390391][T12317] ? __fget+0x4b1/0x510 [ 172.390410][T12317] ? tomoyo_file_ioctl+0x23/0x30 [ 172.390424][T12317] ? security_file_ioctl+0xa1/0xd0 [ 172.407907][T12322] block nbd5: shutting down sockets [ 172.409102][T12317] __x64_sys_ioctl+0xe3/0x120 [ 172.409123][T12317] do_syscall_64+0xf7/0x1c0 [ 172.409137][T12317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.440676][T12317] RIP: 0033:0x459a59 [ 172.440688][T12317] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.440693][T12317] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 172.440703][T12317] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 172.440709][T12317] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 172.440715][T12317] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 172.440721][T12317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 172.440727][T12317] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 172.450267][T12326] CPU: 0 PID: 12326 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 172.451155][T12317] debugfs: out of free dentries, can not create file 'size_bytes' [ 172.456686][T12326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.456691][T12326] Call Trace: [ 172.456711][T12326] dump_stack+0x1d8/0x2f8 [ 172.456727][T12326] should_fail+0x555/0x770 06:52:39 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', 0x0, 0x0, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 172.456743][T12326] __should_failslab+0x11a/0x160 [ 172.456758][T12326] should_failslab+0x9/0x20 [ 172.456769][T12326] kmem_cache_alloc_node+0x65/0x280 [ 172.456780][T12326] ? alloc_unbound_pwq+0x7ac/0xe90 [ 172.456793][T12326] alloc_unbound_pwq+0x7ac/0xe90 [ 172.456810][T12326] apply_wqattrs_prepare+0x3b8/0xab0 [ 172.456836][T12326] apply_workqueue_attrs_locked+0xc5/0x650 [ 172.456849][T12326] alloc_workqueue+0xd8a/0x13e0 [ 172.456863][T12326] ? lock_acquire+0x158/0x250 [ 172.478632][ T8358] block nbd0: Receive control failed (result -22) [ 172.480190][T12326] ? __mutex_lock_common+0x4f5/0x2e20 [ 172.480204][T12326] ? debug_check_no_obj_freed+0x505/0x5b0 [ 172.480213][T12326] ? nbd_ioctl+0xe9/0xac0 [ 172.480223][T12326] ? nbd_start_device+0x134/0xbe0 [ 172.480230][T12326] ? nbd_ioctl+0x1b5/0xac0 [ 172.480246][T12326] nbd_start_device+0x1a6/0xbe0 [ 172.480264][T12326] nbd_ioctl+0x3b6/0xac0 [ 172.480276][T12326] ? rcu_lock_release+0x9/0x30 [ 172.489264][ T8358] block nbd0: Receive control failed (result -22) [ 172.489981][T12326] ? nbd_release+0x120/0x120 06:52:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:39 executing program 0 (fault-call:7 fault-nth:22): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.499307][T12326] blkdev_ioctl+0x807/0x2980 [ 172.499324][T12326] ? tomoyo_path_number_perm+0x53e/0x640 [ 172.499357][T12326] block_ioctl+0xbd/0x100 [ 172.499367][T12326] ? blkdev_iopoll+0x100/0x100 [ 172.499379][T12326] do_vfs_ioctl+0x744/0x1730 [ 172.499391][T12326] ? __fget+0x4b1/0x510 [ 172.528037][T12318] block nbd2: shutting down sockets [ 172.529014][T12326] ? tomoyo_file_ioctl+0x23/0x30 [ 172.529028][T12326] ? security_file_ioctl+0xa1/0xd0 [ 172.529043][T12326] __x64_sys_ioctl+0xe3/0x120 06:52:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 172.529057][T12326] do_syscall_64+0xf7/0x1c0 [ 172.529071][T12326] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.557090][T12326] RIP: 0033:0x459a59 [ 172.557101][T12326] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.557107][T12326] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 172.557116][T12326] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 06:52:39 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x0, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 172.557122][T12326] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 172.557128][T12326] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 172.557134][T12326] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 172.557139][T12326] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 172.574859][T12316] block nbd0: shutting down sockets [ 172.594128][T12331] Invalid argument reading file caps for ./file0 [ 172.667594][T12337] Invalid argument reading file caps for ./file0 [ 172.891940][T12326] block nbd4: Could not allocate knbd recv work queue. [ 172.900438][T12323] block nbd4: shutting down sockets [ 172.902643][T12350] block nbd5: server does not support multiple connections per device. [ 172.916602][ T8358] block nbd2: Receive control failed (result -22) [ 172.924888][T12344] block nbd5: shutting down sockets [ 172.930636][T12343] FAULT_INJECTION: forcing a failure. [ 172.930636][T12343] name failslab, interval 1, probability 0, space 0, times 0 [ 172.957481][T12343] CPU: 0 PID: 12343 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 172.967021][T12343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.977093][T12343] Call Trace: [ 172.977114][T12343] dump_stack+0x1d8/0x2f8 [ 172.977131][T12343] should_fail+0x555/0x770 [ 172.977147][T12343] __should_failslab+0x11a/0x160 [ 172.994272][T12343] ? __d_alloc+0x2d/0x6e0 [ 172.998618][T12343] should_failslab+0x9/0x20 [ 173.003141][T12343] kmem_cache_alloc+0x56/0x2e0 [ 173.006122][T12342] block nbd2: shutting down sockets [ 173.007950][T12343] __d_alloc+0x2d/0x6e0 [ 173.007960][T12343] ? rcu_lock_release+0x9/0x30 [ 173.007974][T12343] d_alloc_parallel+0x7f/0x1430 [ 173.027437][T12343] ? memset+0x31/0x40 [ 173.031438][T12343] ? lockdep_init_map+0x2a/0x680 [ 173.036405][T12343] __lookup_slow+0xa7/0x380 06:52:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:39 executing program 4 (fault-call:10 fault-nth:10): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 173.040932][T12343] lookup_one_len+0x123/0x220 [ 173.045720][T12343] start_creating+0xd3/0x270 [ 173.050323][T12343] __debugfs_create_file+0x75/0x470 [ 173.055541][T12343] debugfs_create_file_unsafe+0x4a/0x60 [ 173.061143][T12343] debugfs_create_u32+0x82/0x90 [ 173.066020][T12343] nbd_start_device+0x592/0xbe0 [ 173.070991][T12343] nbd_ioctl+0x3b6/0xac0 [ 173.075241][T12343] ? rcu_lock_release+0x9/0x30 [ 173.075254][T12343] ? nbd_release+0x120/0x120 [ 173.075268][T12343] blkdev_ioctl+0x807/0x2980 06:52:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 173.075280][T12343] ? tomoyo_path_number_perm+0x53e/0x640 [ 173.075315][T12343] block_ioctl+0xbd/0x100 [ 173.085179][T12343] ? blkdev_iopoll+0x100/0x100 [ 173.085196][T12343] do_vfs_ioctl+0x744/0x1730 [ 173.085204][T12343] ? __fget+0x4b1/0x510 [ 173.085220][T12343] ? tomoyo_file_ioctl+0x23/0x30 [ 173.095384][T12358] FAULT_INJECTION: forcing a failure. [ 173.095384][T12358] name failslab, interval 1, probability 0, space 0, times 0 [ 173.095619][T12343] ? security_file_ioctl+0xa1/0xd0 [ 173.095637][T12343] __x64_sys_ioctl+0xe3/0x120 [ 173.095653][T12343] do_syscall_64+0xf7/0x1c0 [ 173.095668][T12343] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.105037][T12343] RIP: 0033:0x459a59 [ 173.105047][T12343] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 173.105052][T12343] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 173.105060][T12343] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 173.105065][T12343] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 173.105070][T12343] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 173.105075][T12343] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 173.105080][T12343] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 173.110120][T12358] CPU: 0 PID: 12358 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 173.133902][T12358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.133908][T12358] Call Trace: [ 173.133930][T12358] dump_stack+0x1d8/0x2f8 [ 173.133946][T12358] should_fail+0x555/0x770 [ 173.133962][T12358] __should_failslab+0x11a/0x160 [ 173.133981][T12358] should_failslab+0x9/0x20 [ 173.133993][T12358] kmem_cache_alloc_node_trace+0x6e/0x2d0 [ 173.134006][T12358] ? init_rescuer+0x93/0x2e0 [ 173.134020][T12358] init_rescuer+0x93/0x2e0 [ 173.134029][T12358] ? alloc_workqueue+0xe24/0x13e0 [ 173.134040][T12358] alloc_workqueue+0xeab/0x13e0 [ 173.134049][T12358] ? lock_acquire+0x158/0x250 [ 173.134070][T12358] ? __mutex_lock_common+0x4f5/0x2e20 [ 173.134081][T12358] ? debug_check_no_obj_freed+0x505/0x5b0 [ 173.134088][T12358] ? nbd_ioctl+0xe9/0xac0 [ 173.134100][T12358] ? nbd_start_device+0x134/0xbe0 [ 173.154600][T12358] ? nbd_ioctl+0x1b5/0xac0 [ 173.154618][T12358] nbd_start_device+0x1a6/0xbe0 [ 173.154638][T12358] nbd_ioctl+0x3b6/0xac0 [ 173.154652][T12358] ? rcu_lock_release+0x9/0x30 [ 173.154663][T12358] ? nbd_release+0x120/0x120 [ 173.154676][T12358] blkdev_ioctl+0x807/0x2980 [ 173.154686][T12358] ? tomoyo_path_number_perm+0x53e/0x640 [ 173.154715][T12358] block_ioctl+0xbd/0x100 [ 173.154725][T12358] ? blkdev_iopoll+0x100/0x100 [ 173.154737][T12358] do_vfs_ioctl+0x744/0x1730 [ 173.154748][T12358] ? __fget+0x4b1/0x510 [ 173.178515][T12358] ? tomoyo_file_ioctl+0x23/0x30 [ 173.178526][T12358] ? security_file_ioctl+0xa1/0xd0 [ 173.178540][T12358] __x64_sys_ioctl+0xe3/0x120 [ 173.178554][T12358] do_syscall_64+0xf7/0x1c0 [ 173.178567][T12358] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.178578][T12358] RIP: 0033:0x459a59 [ 173.178587][T12358] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 173.178593][T12358] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 173.178602][T12358] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 173.178608][T12358] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 173.178613][T12358] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 173.178619][T12358] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 173.178625][T12358] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 173.216706][T12362] block nbd2: server does not support multiple connections per device. [ 173.252215][T12356] block nbd2: shutting down sockets 06:52:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x2) 06:52:40 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x0, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:40 executing program 0 (fault-call:7 fault-nth:23): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:40 executing program 4 (fault-call:10 fault-nth:11): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 173.300061][T12358] block nbd4: Could not allocate knbd recv work queue. [ 173.319707][T12357] block nbd4: shutting down sockets [ 173.329672][ T8358] block nbd0: Receive control failed (result -22) [ 173.333337][ T8309] block nbd0: Receive control failed (result -22) [ 173.334430][T12359] block nbd5: shutting down sockets [ 173.353835][T12341] block nbd0: shutting down sockets [ 173.527789][T12328] block nbd3: shutting down sockets [ 173.565812][T12370] FAULT_INJECTION: forcing a failure. [ 173.565812][T12370] name failslab, interval 1, probability 0, space 0, times 0 [ 173.574277][T12368] block nbd5: shutting down sockets [ 173.588324][T12371] block nbd2: server does not support multiple connections per device. [ 173.597341][T12369] FAULT_INJECTION: forcing a failure. [ 173.597341][T12369] name failslab, interval 1, probability 0, space 0, times 0 [ 173.614383][T12364] block nbd2: shutting down sockets [ 173.619848][T12370] CPU: 1 PID: 12370 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 173.627756][T12370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.637809][T12370] Call Trace: [ 173.637828][T12370] dump_stack+0x1d8/0x2f8 [ 173.637844][T12370] should_fail+0x555/0x770 [ 173.637862][T12370] __should_failslab+0x11a/0x160 [ 173.654792][T12370] ? numa_pwq_tbl_install+0x430/0x430 [ 173.654806][T12370] should_failslab+0x9/0x20 [ 173.654818][T12370] kmem_cache_alloc_trace+0x5d/0x2f0 [ 173.654830][T12370] ? __kthread_create_on_node+0xb2/0x3b0 [ 173.675461][T12379] block nbd5: shutting down sockets [ 173.675667][T12370] ? numa_pwq_tbl_install+0x430/0x430 [ 173.675679][T12370] __kthread_create_on_node+0xb2/0x3b0 [ 173.691711][T12370] ? numa_pwq_tbl_install+0x430/0x430 [ 173.697104][T12370] kthread_create_on_node+0x72/0xa0 [ 173.702316][T12370] ? kmem_cache_alloc_node_trace+0x268/0x2d0 [ 173.708310][T12370] init_rescuer+0x1c8/0x2e0 [ 173.712831][T12370] alloc_workqueue+0xeab/0x13e0 [ 173.717689][T12370] ? lock_acquire+0x158/0x250 [ 173.722398][T12370] ? __mutex_lock_common+0x4f5/0x2e20 [ 173.727807][T12370] ? debug_check_no_obj_freed+0x505/0x5b0 [ 173.733551][T12370] ? nbd_ioctl+0xe9/0xac0 [ 173.738844][T12370] ? nbd_start_device+0x134/0xbe0 [ 173.743881][T12370] ? nbd_ioctl+0x1b5/0xac0 [ 173.748319][T12370] nbd_start_device+0x1a6/0xbe0 [ 173.753207][T12370] nbd_ioctl+0x3b6/0xac0 [ 173.757470][T12370] ? rcu_lock_release+0x9/0x30 [ 173.762251][T12370] ? nbd_release+0x120/0x120 [ 173.766857][T12370] blkdev_ioctl+0x807/0x2980 [ 173.771459][T12370] ? tomoyo_path_number_perm+0x53e/0x640 [ 173.777122][T12370] block_ioctl+0xbd/0x100 [ 173.781473][T12370] ? blkdev_iopoll+0x100/0x100 [ 173.786246][T12370] do_vfs_ioctl+0x744/0x1730 [ 173.790844][T12370] ? __fget+0x4b1/0x510 [ 173.795013][T12370] ? tomoyo_file_ioctl+0x23/0x30 [ 173.799977][T12370] ? security_file_ioctl+0xa1/0xd0 [ 173.805104][T12370] __x64_sys_ioctl+0xe3/0x120 [ 173.809777][T12370] do_syscall_64+0xf7/0x1c0 [ 173.814273][T12370] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.820245][T12370] RIP: 0033:0x459a59 [ 173.824133][T12370] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 173.843722][T12370] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 173.852114][T12370] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 06:52:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:40 executing program 5: r0 = socket$inet(0x10, 0x80003, 0x0) sendmsg(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000140)="24000000200007041dfffd946f610500020000201f0000030028080008000d00e9110000", 0x24}], 0x1}, 0x0) 06:52:40 executing program 5: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000a00)={0x1, &(0x7f00000000c0)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) connect$inet(r0, 0x0, 0x0) [ 173.860064][T12370] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 173.868018][T12370] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 173.875998][T12370] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 173.883967][T12370] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 173.892923][T12369] CPU: 0 PID: 12369 Comm: syz-executor.0 Not tainted 5.4.0-rc3+ #0 [ 173.901050][T12369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.911101][T12369] Call Trace: [ 173.914399][T12369] dump_stack+0x1d8/0x2f8 [ 173.918742][T12369] should_fail+0x555/0x770 [ 173.923172][T12369] __should_failslab+0x11a/0x160 [ 173.926073][T12370] block nbd4: Could not allocate knbd recv work queue. [ 173.928114][T12369] ? new_inode_pseudo+0x135/0x240 [ 173.928128][T12369] should_failslab+0x9/0x20 [ 173.928139][T12369] kmem_cache_alloc+0x56/0x2e0 [ 173.928151][T12369] new_inode_pseudo+0x135/0x240 [ 173.942810][T12367] block nbd4: shutting down sockets [ 173.944652][T12369] new_inode+0x28/0x1c0 [ 173.944664][T12369] ? start_creating+0x17b/0x270 [ 173.944676][T12369] __debugfs_create_file+0xbc/0x470 [ 173.973620][T12369] debugfs_create_file_unsafe+0x4a/0x60 [ 173.979181][T12369] debugfs_create_u32+0x82/0x90 [ 173.984044][T12369] nbd_start_device+0x592/0xbe0 [ 173.988899][T12369] nbd_ioctl+0x3b6/0xac0 [ 173.993136][T12369] ? rcu_lock_release+0x9/0x30 [ 173.997891][T12369] ? nbd_release+0x120/0x120 [ 174.002476][T12369] blkdev_ioctl+0x807/0x2980 [ 174.007047][T12369] ? tomoyo_path_number_perm+0x53e/0x640 [ 174.012673][T12369] block_ioctl+0xbd/0x100 [ 174.016980][T12369] ? blkdev_iopoll+0x100/0x100 [ 174.021728][T12369] do_vfs_ioctl+0x744/0x1730 [ 174.026296][T12369] ? __fget+0x4b1/0x510 [ 174.030436][T12369] ? tomoyo_file_ioctl+0x23/0x30 [ 174.035530][T12369] ? security_file_ioctl+0xa1/0xd0 [ 174.040623][T12369] __x64_sys_ioctl+0xe3/0x120 [ 174.045283][T12369] do_syscall_64+0xf7/0x1c0 [ 174.049781][T12369] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.055837][T12369] RIP: 0033:0x459a59 [ 174.059711][T12369] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.079298][T12369] RSP: 002b:00007f84d34a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 174.087687][T12369] RAX: ffffffffffffffda RBX: 00007f84d34a7c90 RCX: 0000000000459a59 [ 174.095732][T12369] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 174.103684][T12369] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:40 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x0, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:40 executing program 4 (fault-call:10 fault-nth:12): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 174.111827][T12369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84d34a86d4 [ 174.119789][T12369] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000007 [ 174.138725][T12375] block nbd3: shutting down sockets 06:52:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x10) [ 174.180845][T12397] block nbd2: server does not support multiple connections per device. [ 174.194459][T12393] FAULT_INJECTION: forcing a failure. [ 174.194459][T12393] name failslab, interval 1, probability 0, space 0, times 0 [ 174.207371][T12394] block nbd2: shutting down sockets 06:52:40 executing program 5: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000a00)={0x1, &(0x7f00000000c0)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$urandom(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) [ 174.224783][T12393] CPU: 0 PID: 12393 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 174.232717][T12393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.242784][T12393] Call Trace: [ 174.246076][T12393] dump_stack+0x1d8/0x2f8 [ 174.250416][T12393] should_fail+0x555/0x770 [ 174.254853][T12393] __should_failslab+0x11a/0x160 [ 174.259834][T12393] ? __kernfs_new_node+0x97/0x6b0 [ 174.264874][T12393] should_failslab+0x9/0x20 [ 174.269390][T12393] kmem_cache_alloc+0x56/0x2e0 [ 174.274181][T12393] __kernfs_new_node+0x97/0x6b0 06:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 174.274203][T12393] ? rcu_lock_release+0x9/0x30 [ 174.274217][T12393] kernfs_new_node+0x97/0x170 [ 174.274236][T12393] __kernfs_create_file+0x4a/0x2f0 [ 174.283850][T12393] sysfs_add_file_mode_ns+0x2dc/0x3a0 [ 174.283865][T12393] sysfs_create_file_ns+0x112/0x1b0 [ 174.283882][T12393] device_create_file+0x10a/0x1d0 [ 174.283893][T12393] nbd_start_device+0x47e/0xbe0 [ 174.283910][T12393] nbd_ioctl+0x3b6/0xac0 [ 174.283921][T12393] ? rcu_lock_release+0x9/0x30 [ 174.283931][T12393] ? nbd_release+0x120/0x120 [ 174.283947][T12393] blkdev_ioctl+0x807/0x2980 [ 174.283959][T12393] ? tomoyo_path_number_perm+0x53e/0x640 [ 174.283989][T12393] block_ioctl+0xbd/0x100 [ 174.339743][T12405] block nbd2: server does not support multiple connections per device. [ 174.343458][T12393] ? blkdev_iopoll+0x100/0x100 [ 174.343473][T12393] do_vfs_ioctl+0x744/0x1730 [ 174.343482][T12393] ? __fget+0x4b1/0x510 [ 174.343499][T12393] ? tomoyo_file_ioctl+0x23/0x30 [ 174.343510][T12393] ? security_file_ioctl+0xa1/0xd0 [ 174.343522][T12393] __x64_sys_ioctl+0xe3/0x120 [ 174.343534][T12393] do_syscall_64+0xf7/0x1c0 [ 174.343546][T12393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.343555][T12393] RIP: 0033:0x459a59 [ 174.343564][T12393] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.343569][T12393] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 06:52:41 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 174.343578][T12393] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 174.343584][T12393] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 174.343589][T12393] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 174.343595][T12393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 174.343601][T12393] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 174.433581][T12393] block nbd4: device_create_file failed! [ 174.473484][T12404] block nbd2: shutting down sockets [ 174.488433][T12369] debugfs: out of free dentries, can not create file 'timeout' [ 174.500600][ T8358] block nbd0: Receive control failed (result -22) [ 174.507392][ T8309] block nbd0: Receive control failed (result -22) [ 174.507646][T12369] block nbd0: shutting down sockets [ 174.515774][T12401] block nbd3: shutting down sockets 06:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x301) 06:52:41 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 174.581103][T12392] block nbd4: shutting down sockets [ 174.621073][T12417] block nbd2: server does not support multiple connections per device. [ 174.646042][T12416] block nbd2: shutting down sockets 06:52:41 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:41 executing program 4 (fault-call:10 fault-nth:13): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 174.666116][ T8358] block nbd0: Receive control failed (result -22) [ 174.673412][ T8358] block nbd0: Receive control failed (result -22) [ 174.682147][T12419] block nbd0: shutting down sockets [ 174.690392][T12422] block nbd3: shutting down sockets 06:52:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 174.751189][T12422] block nbd3: shutting down sockets [ 174.759437][T12430] FAULT_INJECTION: forcing a failure. [ 174.759437][T12430] name failslab, interval 1, probability 0, space 0, times 0 [ 174.772635][T12430] CPU: 1 PID: 12430 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 174.780535][T12430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.792537][T12430] Call Trace: [ 174.795852][T12430] dump_stack+0x1d8/0x2f8 [ 174.800290][T12430] should_fail+0x555/0x770 [ 174.804768][T12430] __should_failslab+0x11a/0x160 [ 174.806553][T12438] block nbd0: shutting down sockets [ 174.809711][T12430] ? radix_tree_node_alloc+0x1a1/0x370 [ 174.809725][T12430] should_failslab+0x9/0x20 [ 174.809739][T12430] kmem_cache_alloc+0x56/0x2e0 [ 174.809753][T12430] radix_tree_node_alloc+0x1a1/0x370 [ 174.809768][T12430] idr_get_free+0x2b8/0x890 [ 174.838778][T12438] block nbd0: shutting down sockets [ 174.839733][T12430] idr_alloc_cyclic+0x18b/0x550 [ 174.839761][T12430] __kernfs_new_node+0x124/0x6b0 [ 174.839780][T12430] ? rcu_lock_release+0x9/0x30 [ 174.860556][T12430] kernfs_new_node+0x97/0x170 [ 174.865247][T12430] __kernfs_create_file+0x4a/0x2f0 [ 174.870357][T12430] sysfs_add_file_mode_ns+0x2dc/0x3a0 [ 174.875743][T12430] sysfs_create_file_ns+0x112/0x1b0 [ 174.881082][T12430] device_create_file+0x10a/0x1d0 [ 174.886128][T12430] nbd_start_device+0x47e/0xbe0 [ 174.891004][T12430] nbd_ioctl+0x3b6/0xac0 [ 174.895274][T12430] ? rcu_lock_release+0x9/0x30 [ 174.900921][T12430] ? nbd_release+0x120/0x120 [ 174.905529][T12430] blkdev_ioctl+0x807/0x2980 [ 174.910143][T12430] ? tomoyo_path_number_perm+0x53e/0x640 [ 174.915893][T12430] block_ioctl+0xbd/0x100 [ 174.920407][T12430] ? blkdev_iopoll+0x100/0x100 [ 174.922870][T12442] block nbd0: shutting down sockets [ 174.925196][T12430] do_vfs_ioctl+0x744/0x1730 [ 174.925208][T12430] ? __fget+0x4b1/0x510 [ 174.925226][T12430] ? tomoyo_file_ioctl+0x23/0x30 [ 174.925237][T12430] ? security_file_ioctl+0xa1/0xd0 06:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x2) 06:52:41 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x10) [ 174.925250][T12430] __x64_sys_ioctl+0xe3/0x120 [ 174.944478][T12444] block nbd0: Device being setup by another task [ 174.949485][T12430] do_syscall_64+0xf7/0x1c0 [ 174.949500][T12430] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.949511][T12430] RIP: 0033:0x459a59 [ 174.949521][T12430] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.949526][T12430] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 174.949536][T12430] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 174.949541][T12430] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 174.949546][T12430] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 174.949551][T12430] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 174.949566][T12430] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 174.962668][T12444] block nbd0: shutting down sockets 06:52:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125d) 06:52:41 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x301) [ 174.983451][T12449] block nbd2: server does not support multiple connections per device. [ 174.995550][T12426] vivid-001: kernel_thread() failed [ 175.010654][T12437] block nbd2: shutting down sockets [ 175.051940][ T8358] block nbd4: Receive control failed (result -22) [ 175.099537][T12452] block nbd3: shutting down sockets [ 175.127091][T12455] block nbd0: shutting down sockets 06:52:41 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x0, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125e) [ 175.147240][T12452] block nbd3: shutting down sockets [ 175.155916][T12455] block nbd0: shutting down sockets [ 175.173472][ T8358] block nbd4: Receive control failed (result -22) [ 175.188038][T12425] block nbd4: shutting down sockets 06:52:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125d) 06:52:41 executing program 4 (fault-call:10 fault-nth:14): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:41 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 175.246130][T12460] block nbd3: shutting down sockets [ 175.271053][T12466] block nbd0: shutting down sockets 06:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 175.293432][T12460] block nbd3: shutting down sockets 06:52:42 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x0, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 175.332578][T12466] block nbd0: shutting down sockets [ 175.335234][T12474] FAULT_INJECTION: forcing a failure. [ 175.335234][T12474] name failslab, interval 1, probability 0, space 0, times 0 [ 175.350822][T12477] block nbd2: shutting down sockets [ 175.361443][T12474] CPU: 0 PID: 12474 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 175.369379][T12474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.379628][T12474] Call Trace: 06:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125f) 06:52:42 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 175.382942][T12474] dump_stack+0x1d8/0x2f8 [ 175.387385][T12474] should_fail+0x555/0x770 [ 175.391907][T12474] __should_failslab+0x11a/0x160 [ 175.397044][T12474] ? __d_alloc+0x2d/0x6e0 [ 175.401493][T12474] should_failslab+0x9/0x20 [ 175.406011][T12474] kmem_cache_alloc+0x56/0x2e0 [ 175.410889][T12474] __d_alloc+0x2d/0x6e0 [ 175.416110][T12474] ? rcu_lock_release+0x9/0x30 [ 175.421194][T12474] d_alloc_parallel+0x7f/0x1430 [ 175.424866][T12479] block nbd3: shutting down sockets [ 175.426052][T12474] ? memset+0x31/0x40 [ 175.426066][T12474] ? lockdep_init_map+0x2a/0x680 [ 175.426084][T12474] __lookup_slow+0xa7/0x380 [ 175.426102][T12474] lookup_one_len+0x123/0x220 [ 175.449553][T12474] start_creating+0xd3/0x270 [ 175.454154][T12474] ? debugfs_create_dir+0x1c/0x440 [ 175.459309][T12474] debugfs_create_dir+0x27/0x440 [ 175.464256][T12474] nbd_start_device+0x501/0xbe0 [ 175.467624][T12479] block nbd3: shutting down sockets [ 175.470275][T12474] nbd_ioctl+0x3b6/0xac0 06:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1260) [ 175.470290][T12474] ? rcu_lock_release+0x9/0x30 [ 175.470301][T12474] ? nbd_release+0x120/0x120 [ 175.470313][T12474] blkdev_ioctl+0x807/0x2980 [ 175.470327][T12474] ? tomoyo_path_number_perm+0x53e/0x640 [ 175.470356][T12474] block_ioctl+0xbd/0x100 [ 175.504232][T12474] ? blkdev_iopoll+0x100/0x100 [ 175.508995][T12474] do_vfs_ioctl+0x744/0x1730 [ 175.513587][T12474] ? __fget+0x4b1/0x510 [ 175.513602][T12474] ? tomoyo_file_ioctl+0x23/0x30 [ 175.513611][T12474] ? security_file_ioctl+0xa1/0xd0 [ 175.513622][T12474] __x64_sys_ioctl+0xe3/0x120 [ 175.513634][T12474] do_syscall_64+0xf7/0x1c0 [ 175.513646][T12474] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.513655][T12474] RIP: 0033:0x459a59 [ 175.513664][T12474] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 175.513669][T12474] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 06:52:42 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125e) 06:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 175.513677][T12474] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 175.513682][T12474] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 175.513687][T12474] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.513693][T12474] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 175.513697][T12474] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 175.531707][T12488] block nbd3: shutting down sockets [ 175.618813][ T8358] block nbd4: Receive control failed (result -22) [ 175.631223][ T8358] block nbd4: Receive control failed (result -22) 06:52:42 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:42 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x0, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 175.692085][T12560] block nbd2: shutting down sockets [ 175.703719][T12557] block nbd0: shutting down sockets [ 175.713091][T12488] block nbd3: shutting down sockets [ 175.735954][T12595] block nbd0: Device being setup by another task 06:52:42 executing program 4 (fault-call:10 fault-nth:15): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1261) 06:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125f) [ 175.766752][T12595] block nbd0: shutting down sockets [ 175.777793][T12470] block nbd4: shutting down sockets 06:52:42 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 175.838877][T12606] block nbd2: shutting down sockets [ 175.847567][T12609] block nbd3: shutting down sockets [ 175.864108][T12607] block nbd0: shutting down sockets [ 175.879313][T12610] block nbd3: Device being setup by another task [ 175.899869][T12607] block nbd0: shutting down sockets [ 175.922391][T12609] block nbd3: shutting down sockets [ 175.927895][T12618] FAULT_INJECTION: forcing a failure. [ 175.927895][T12618] name failslab, interval 1, probability 0, space 0, times 0 [ 175.955028][T12618] CPU: 1 PID: 12618 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 175.962969][T12618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.973045][T12618] Call Trace: [ 175.977051][T12618] dump_stack+0x1d8/0x2f8 [ 175.982383][T12618] should_fail+0x555/0x770 [ 175.986824][T12618] __should_failslab+0x11a/0x160 [ 175.991792][T12618] ? new_inode_pseudo+0x135/0x240 [ 175.996829][T12618] should_failslab+0x9/0x20 [ 175.998099][T12622] block nbd0: shutting down sockets [ 176.001340][T12618] kmem_cache_alloc+0x56/0x2e0 [ 176.001357][T12618] new_inode_pseudo+0x135/0x240 [ 176.001369][T12618] new_inode+0x28/0x1c0 06:52:42 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:42 executing program 2: sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x218}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000c80)=ANY=[@ANYBLOB="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"/378], 0x80}}, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$key(0xf, 0x3, 0x2) sendmmsg(r2, &(0x7f0000000180), 0x400000000000117, 0x0) 06:52:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1260) 06:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1262) [ 176.001378][T12618] ? start_creating+0x17b/0x270 [ 176.001390][T12618] debugfs_create_dir+0x6f/0x440 [ 176.001403][T12618] nbd_start_device+0x501/0xbe0 [ 176.001419][T12618] nbd_ioctl+0x3b6/0xac0 [ 176.010620][T12623] block nbd3: shutting down sockets [ 176.011400][T12618] ? rcu_lock_release+0x9/0x30 [ 176.011413][T12618] ? nbd_release+0x120/0x120 [ 176.011424][T12618] blkdev_ioctl+0x807/0x2980 [ 176.011436][T12618] ? tomoyo_path_number_perm+0x53e/0x640 [ 176.011463][T12618] block_ioctl+0xbd/0x100 [ 176.033173][T12625] block nbd3: Device being setup by another task [ 176.036329][T12618] ? blkdev_iopoll+0x100/0x100 [ 176.036344][T12618] do_vfs_ioctl+0x744/0x1730 [ 176.036356][T12618] ? __fget+0x4b1/0x510 [ 176.040922][T12623] block nbd3: shutting down sockets [ 176.045883][T12618] ? tomoyo_file_ioctl+0x23/0x30 [ 176.045894][T12618] ? security_file_ioctl+0xa1/0xd0 [ 176.045908][T12618] __x64_sys_ioctl+0xe3/0x120 [ 176.045922][T12618] do_syscall_64+0xf7/0x1c0 [ 176.045936][T12618] entry_SYSCALL_64_after_hwframe+0x49/0xbe 06:52:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1263) 06:52:42 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 176.045946][T12618] RIP: 0033:0x459a59 [ 176.045956][T12618] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.045964][T12618] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 176.053133][T12624] block nbd0: Device being setup by another task [ 176.055463][T12618] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 06:52:42 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 176.055469][T12618] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 176.055475][T12618] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 176.055485][T12618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 176.055491][T12618] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 176.083057][T12618] debugfs: out of free dentries, can not create directory 'nbd4' [ 176.126775][T12624] block nbd0: shutting down sockets [ 176.176824][ T8358] block nbd4: Receive control failed (result -22) [ 176.205840][T12634] block nbd3: shutting down sockets [ 176.208598][ T8309] block nbd4: Receive control failed (result -22) [ 176.239375][T12614] block nbd4: shutting down sockets [ 176.256154][T12634] block nbd3: shutting down sockets 06:52:43 executing program 4 (fault-call:10 fault-nth:16): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1261) 06:52:43 executing program 2: r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) fcntl$lock(r0, 0x8, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x300000000}) r1 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) fcntl$lock(r1, 0x8, &(0x7f00000001c0)={0x3, 0x0, 0x0, 0x300000000}) 06:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1264) 06:52:43 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:43 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 176.355310][T12644] block nbd0: shutting down sockets 06:52:43 executing program 5: read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 176.399268][T12644] block nbd0: shutting down sockets [ 176.405194][T12655] FAULT_INJECTION: forcing a failure. [ 176.405194][T12655] name failslab, interval 1, probability 0, space 0, times 0 06:52:43 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) r3 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r3, 0x1000008912, &(0x7f0000000000)="0800b5055e0bcfe87b0071") ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 176.443987][T12655] CPU: 0 PID: 12655 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 176.451926][T12655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.462039][T12655] Call Trace: [ 176.465344][T12655] dump_stack+0x1d8/0x2f8 [ 176.469688][T12655] should_fail+0x555/0x770 [ 176.474114][T12655] __should_failslab+0x11a/0x160 [ 176.479053][T12655] ? security_inode_alloc+0x36/0x1e0 [ 176.484337][T12655] should_failslab+0x9/0x20 [ 176.488831][T12655] kmem_cache_alloc+0x56/0x2e0 [ 176.493584][T12655] security_inode_alloc+0x36/0x1e0 [ 176.498678][T12655] inode_init_always+0x3b5/0x920 [ 176.503618][T12655] new_inode_pseudo+0x7f/0x240 [ 176.508368][T12655] new_inode+0x28/0x1c0 [ 176.512856][T12655] ? start_creating+0x17b/0x270 [ 176.517687][T12655] debugfs_create_dir+0x6f/0x440 [ 176.522611][T12655] nbd_start_device+0x501/0xbe0 [ 176.527444][T12655] nbd_ioctl+0x3b6/0xac0 [ 176.531668][T12655] ? rcu_lock_release+0x9/0x30 [ 176.536410][T12655] ? nbd_release+0x120/0x120 [ 176.540984][T12655] blkdev_ioctl+0x807/0x2980 [ 176.545553][T12655] ? tomoyo_path_number_perm+0x53e/0x640 [ 176.551388][T12655] block_ioctl+0xbd/0x100 [ 176.555816][T12655] ? blkdev_iopoll+0x100/0x100 [ 176.560567][T12655] do_vfs_ioctl+0x744/0x1730 [ 176.565136][T12655] ? __fget+0x4b1/0x510 [ 176.569285][T12655] ? tomoyo_file_ioctl+0x23/0x30 [ 176.574204][T12655] ? security_file_ioctl+0xa1/0xd0 [ 176.579302][T12655] __x64_sys_ioctl+0xe3/0x120 [ 176.583995][T12655] do_syscall_64+0xf7/0x1c0 [ 176.588477][T12655] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.594736][T12655] RIP: 0033:0x459a59 [ 176.598636][T12655] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.618376][T12655] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 176.626772][T12655] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 176.634725][T12655] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 06:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1262) [ 176.642708][T12655] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 176.650748][T12655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 176.658706][T12655] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 176.668599][T12652] block nbd3: shutting down sockets 06:52:43 executing program 5: read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 176.709225][T12652] block nbd3: shutting down sockets 06:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1265) [ 176.737533][T12669] block nbd0: shutting down sockets 06:52:43 executing program 5: read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 176.778930][T12669] block nbd0: shutting down sockets [ 176.828361][T12676] block nbd3: shutting down sockets [ 176.847218][T12680] block nbd3: Device being setup by another task 06:52:43 executing program 4 (fault-call:10 fault-nth:17): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:43 executing program 2: 06:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1263) 06:52:43 executing program 5: r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:43 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1267) [ 176.869082][T12680] block nbd3: shutting down sockets [ 176.874303][T12655] debugfs: out of free dentries, can not create directory 'nbd4' [ 176.888754][ T8358] block nbd4: Receive control failed (result -22) [ 176.895818][ T8309] block nbd4: Receive control failed (result -22) [ 176.909900][T12650] block nbd4: shutting down sockets 06:52:43 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 176.968130][T12687] block nbd3: shutting down sockets [ 176.975311][T12686] block nbd0: shutting down sockets [ 176.995788][T12686] block nbd0: shutting down sockets [ 176.996676][T12687] block nbd3: shutting down sockets 06:52:43 executing program 5: r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1264) [ 177.029201][T12693] FAULT_INJECTION: forcing a failure. [ 177.029201][T12693] name failslab, interval 1, probability 0, space 0, times 0 [ 177.082237][T12693] CPU: 0 PID: 12693 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 177.090180][T12693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.100330][T12693] Call Trace: [ 177.103634][T12693] dump_stack+0x1d8/0x2f8 [ 177.104321][T12704] block nbd0: shutting down sockets [ 177.108068][T12693] should_fail+0x555/0x770 [ 177.108087][T12693] __should_failslab+0x11a/0x160 [ 177.108100][T12693] ? __d_alloc+0x2d/0x6e0 [ 177.108114][T12693] should_failslab+0x9/0x20 [ 177.123530][T12704] block nbd0: shutting down sockets [ 177.127057][T12693] kmem_cache_alloc+0x56/0x2e0 [ 177.127076][T12693] __d_alloc+0x2d/0x6e0 [ 177.127086][T12693] ? rcu_lock_release+0x9/0x30 [ 177.127102][T12693] d_alloc_parallel+0x7f/0x1430 [ 177.155509][T12693] ? memset+0x31/0x40 [ 177.159501][T12693] ? lockdep_init_map+0x2a/0x680 [ 177.164482][T12693] __lookup_slow+0xa7/0x380 [ 177.169125][T12693] lookup_one_len+0x123/0x220 [ 177.173866][T12693] start_creating+0xd3/0x270 06:52:43 executing program 5: r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1265) [ 177.178470][T12693] __debugfs_create_file+0x75/0x470 [ 177.183685][T12693] debugfs_create_file+0x4a/0x60 [ 177.188639][T12693] nbd_start_device+0x55e/0xbe0 [ 177.193599][T12693] nbd_ioctl+0x3b6/0xac0 [ 177.197887][T12693] ? rcu_lock_release+0x9/0x30 [ 177.202671][T12693] ? nbd_release+0x120/0x120 [ 177.202685][T12693] blkdev_ioctl+0x807/0x2980 [ 177.202698][T12693] ? tomoyo_path_number_perm+0x53e/0x640 [ 177.202725][T12693] block_ioctl+0xbd/0x100 [ 177.211878][T12693] ? blkdev_iopoll+0x100/0x100 [ 177.211894][T12693] do_vfs_ioctl+0x744/0x1730 06:52:44 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 177.211903][T12693] ? __fget+0x4b1/0x510 [ 177.211917][T12693] ? tomoyo_file_ioctl+0x23/0x30 [ 177.211926][T12693] ? security_file_ioctl+0xa1/0xd0 [ 177.211938][T12693] __x64_sys_ioctl+0xe3/0x120 [ 177.211952][T12693] do_syscall_64+0xf7/0x1c0 [ 177.211969][T12693] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.260772][T12693] RIP: 0033:0x459a59 [ 177.264674][T12693] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 177.284282][T12693] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 177.292707][T12693] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 177.300709][T12693] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 177.303406][T12711] block nbd0: shutting down sockets [ 177.308683][T12693] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 177.308690][T12693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 177.308695][T12693] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 177.348224][ T8358] block nbd4: Receive control failed (result -22) [ 177.348229][ T8309] block nbd4: Receive control failed (result -22) [ 177.374311][T12711] block nbd0: shutting down sockets 06:52:44 executing program 4 (fault-call:10 fault-nth:18): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1268) 06:52:44 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:44 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1267) [ 177.377267][T12692] block nbd4: shutting down sockets 06:52:44 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 177.440285][T12721] block nbd3: shutting down sockets 06:52:44 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 177.486256][T12721] block nbd3: shutting down sockets [ 177.504782][T12729] FAULT_INJECTION: forcing a failure. [ 177.504782][T12729] name failslab, interval 1, probability 0, space 0, times 0 [ 177.521617][T12727] block nbd0: shutting down sockets 06:52:44 executing program 5: syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(0xffffffffffffffff, &(0x7f0000000540), 0x1000) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r0, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 177.535153][T12729] CPU: 0 PID: 12729 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 177.543083][T12729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.553141][T12729] Call Trace: [ 177.556528][T12729] dump_stack+0x1d8/0x2f8 [ 177.560960][T12729] should_fail+0x555/0x770 [ 177.565395][T12729] __should_failslab+0x11a/0x160 [ 177.570351][T12729] ? security_inode_alloc+0x36/0x1e0 [ 177.575649][T12729] should_failslab+0x9/0x20 [ 177.580161][T12729] kmem_cache_alloc+0x56/0x2e0 [ 177.584937][T12729] security_inode_alloc+0x36/0x1e0 [ 177.590132][T12729] inode_init_always+0x3b5/0x920 [ 177.595091][T12729] new_inode_pseudo+0x7f/0x240 [ 177.599889][T12729] new_inode+0x28/0x1c0 [ 177.605062][T12727] block nbd0: shutting down sockets [ 177.605298][T12729] ? start_creating+0x17b/0x270 [ 177.615346][T12729] __debugfs_create_file+0xbc/0x470 [ 177.620546][T12729] debugfs_create_file+0x4a/0x60 [ 177.625494][T12729] nbd_start_device+0x55e/0xbe0 [ 177.630452][T12729] nbd_ioctl+0x3b6/0xac0 06:52:44 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, 0x0, 0x0) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1268) [ 177.634720][T12729] ? rcu_lock_release+0x9/0x30 [ 177.639506][T12729] ? nbd_release+0x120/0x120 [ 177.644107][T12729] blkdev_ioctl+0x807/0x2980 [ 177.648712][T12729] ? tomoyo_path_number_perm+0x53e/0x640 [ 177.654374][T12729] block_ioctl+0xbd/0x100 [ 177.658706][T12729] ? blkdev_iopoll+0x100/0x100 [ 177.663480][T12729] do_vfs_ioctl+0x744/0x1730 [ 177.668075][T12729] ? __fget+0x4b1/0x510 [ 177.672271][T12729] ? tomoyo_file_ioctl+0x23/0x30 [ 177.677218][T12729] ? security_file_ioctl+0xa1/0xd0 [ 177.682343][T12729] __x64_sys_ioctl+0xe3/0x120 06:52:44 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:44 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, 0x0, 0x0) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 177.687084][T12729] do_syscall_64+0xf7/0x1c0 [ 177.691599][T12729] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.697504][T12729] RIP: 0033:0x459a59 [ 177.701400][T12729] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 177.721033][T12729] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 177.729466][T12729] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 177.737445][T12729] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 177.745434][T12729] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 177.753422][T12729] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 177.757697][T12846] block nbd0: shutting down sockets [ 177.762089][T12729] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 177.796113][T12729] debugfs: out of free dentries, can not create file 'tasks' [ 177.804137][ T8309] block nbd4: Receive control failed (result -22) [ 177.811438][ T8309] block nbd4: Receive control failed (result -22) [ 177.829864][T12726] block nbd4: shutting down sockets 06:52:44 executing program 4 (fault-call:10 fault-nth:19): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1269) 06:52:44 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:44 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, 0x0, 0x0) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) 06:52:44 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) shutdown(r1, 0x1) 06:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1269) [ 177.860159][T12846] block nbd0: shutting down sockets 06:52:44 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 177.919705][T12856] block nbd3: shutting down sockets [ 177.955960][T12863] block nbd0: shutting down sockets [ 177.957533][T12856] block nbd3: shutting down sockets [ 177.982004][T12867] FAULT_INJECTION: forcing a failure. [ 177.982004][T12867] name failslab, interval 1, probability 0, space 0, times 0 [ 178.010693][T12863] block nbd0: shutting down sockets 06:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1274) [ 178.031107][T12867] CPU: 0 PID: 12867 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 178.039042][T12867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.049192][T12867] Call Trace: [ 178.052515][T12867] dump_stack+0x1d8/0x2f8 [ 178.057907][T12867] should_fail+0x555/0x770 [ 178.062350][T12867] __should_failslab+0x11a/0x160 [ 178.062973][T12977] block nbd0: shutting down sockets [ 178.067372][T12867] ? security_inode_alloc+0x36/0x1e0 06:52:44 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 178.067387][T12867] should_failslab+0x9/0x20 [ 178.067400][T12867] kmem_cache_alloc+0x56/0x2e0 [ 178.067414][T12867] security_inode_alloc+0x36/0x1e0 [ 178.067428][T12867] inode_init_always+0x3b5/0x920 [ 178.096828][T12977] block nbd0: shutting down sockets [ 178.097416][T12867] new_inode_pseudo+0x7f/0x240 [ 178.097429][T12867] new_inode+0x28/0x1c0 [ 178.097440][T12867] ? start_creating+0x17b/0x270 [ 178.097452][T12867] __debugfs_create_file+0xbc/0x470 [ 178.097466][T12867] debugfs_create_file+0x4a/0x60 06:52:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1275) [ 178.110191][T12867] nbd_start_device+0x55e/0xbe0 [ 178.110212][T12867] nbd_ioctl+0x3b6/0xac0 [ 178.110224][T12867] ? rcu_lock_release+0x9/0x30 [ 178.110236][T12867] ? nbd_release+0x120/0x120 [ 178.119364][T12867] blkdev_ioctl+0x807/0x2980 [ 178.153299][T12867] ? tomoyo_path_number_perm+0x53e/0x640 [ 178.159249][T12867] block_ioctl+0xbd/0x100 [ 178.163628][T12867] ? blkdev_iopoll+0x100/0x100 [ 178.168415][T12867] do_vfs_ioctl+0x744/0x1730 [ 178.172161][T12982] block nbd0: shutting down sockets [ 178.173031][T12867] ? __fget+0x4b1/0x510 [ 178.173050][T12867] ? tomoyo_file_ioctl+0x23/0x30 [ 178.173063][T12867] ? security_file_ioctl+0xa1/0xd0 [ 178.188004][T12983] block nbd0: Device being setup by another task [ 178.192429][T12867] __x64_sys_ioctl+0xe3/0x120 [ 178.192445][T12867] do_syscall_64+0xf7/0x1c0 [ 178.192458][T12867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.192468][T12867] RIP: 0033:0x459a59 06:52:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1274) 06:52:44 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 178.192477][T12867] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 178.192482][T12867] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 178.192490][T12867] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 178.192495][T12867] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 178.192500][T12867] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 178.192506][T12867] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 178.192510][T12867] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 178.242569][T12986] block nbd3: shutting down sockets [ 178.268433][T12983] block nbd0: shutting down sockets [ 178.302503][T12867] debugfs: out of free dentries, can not create file 'tasks' [ 178.316745][ T8358] block nbd4: Receive control failed (result -22) [ 178.316749][ T8309] block nbd4: Receive control failed (result -22) 06:52:45 executing program 4 (fault-call:10 fault-nth:20): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:45 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) shutdown(r1, 0x1) 06:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1276) 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1275) [ 178.339305][T12866] block nbd4: shutting down sockets [ 178.352654][T12986] block nbd3: shutting down sockets 06:52:45 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f00000001c0)={0x0, 0x4}) [ 178.428708][T12995] block nbd0: shutting down sockets [ 178.445195][T13002] block nbd3: shutting down sockets 06:52:45 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(0x0, 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1276) [ 178.483129][T13002] block nbd3: shutting down sockets [ 178.490318][T12995] block nbd0: shutting down sockets [ 178.514613][T13007] FAULT_INJECTION: forcing a failure. [ 178.514613][T13007] name failslab, interval 1, probability 0, space 0, times 0 [ 178.541463][T13007] CPU: 0 PID: 13007 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 178.549396][T13007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.559450][T13007] Call Trace: [ 178.559472][T13007] dump_stack+0x1d8/0x2f8 [ 178.559487][T13007] should_fail+0x555/0x770 [ 178.559505][T13007] __should_failslab+0x11a/0x160 [ 178.567106][T13007] ? __d_alloc+0x2d/0x6e0 [ 178.567120][T13007] should_failslab+0x9/0x20 [ 178.567132][T13007] kmem_cache_alloc+0x56/0x2e0 06:52:45 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, 0x0) 06:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1277) [ 178.567147][T13007] __d_alloc+0x2d/0x6e0 [ 178.594209][T13007] ? rcu_lock_release+0x9/0x30 [ 178.598988][T13007] d_alloc_parallel+0x7f/0x1430 [ 178.603855][T13007] ? memset+0x31/0x40 [ 178.607846][T13007] ? lockdep_init_map+0x2a/0x680 [ 178.612829][T13007] __lookup_slow+0xa7/0x380 [ 178.617362][T13007] lookup_one_len+0x123/0x220 [ 178.622090][T13007] start_creating+0xd3/0x270 [ 178.626701][T13007] __debugfs_create_file+0x75/0x470 [ 178.628398][T13015] block nbd0: shutting down sockets [ 178.631910][T13007] debugfs_create_file_unsafe+0x4a/0x60 [ 178.631924][T13007] debugfs_create_u64+0x82/0x90 [ 178.631938][T13007] nbd_start_device+0x579/0xbe0 [ 178.631956][T13007] nbd_ioctl+0x3b6/0xac0 [ 178.631968][T13007] ? rcu_lock_release+0x9/0x30 [ 178.631978][T13007] ? nbd_release+0x120/0x120 [ 178.631989][T13007] blkdev_ioctl+0x807/0x2980 [ 178.632000][T13007] ? tomoyo_path_number_perm+0x53e/0x640 [ 178.632034][T13007] block_ioctl+0xbd/0x100 [ 178.646885][T13017] block nbd0: Device being setup by another task [ 178.647611][T13007] ? blkdev_iopoll+0x100/0x100 06:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1278) 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1277) [ 178.647627][T13007] do_vfs_ioctl+0x744/0x1730 [ 178.647636][T13007] ? __fget+0x4b1/0x510 [ 178.647654][T13007] ? tomoyo_file_ioctl+0x23/0x30 [ 178.653378][T13017] block nbd0: shutting down sockets [ 178.656729][T13007] ? security_file_ioctl+0xa1/0xd0 [ 178.656745][T13007] __x64_sys_ioctl+0xe3/0x120 [ 178.656759][T13007] do_syscall_64+0xf7/0x1c0 [ 178.656778][T13007] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.656787][T13007] RIP: 0033:0x459a59 [ 178.656801][T13007] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 178.750803][T13122] block nbd0: shutting down sockets [ 178.754226][T13007] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 178.754237][T13007] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 178.754243][T13007] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 178.754249][T13007] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:45 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(0x0, 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) [ 178.754255][T13007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 178.754260][T13007] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 178.767699][ T8309] block nbd4: Receive control failed (result -22) [ 178.787502][T13125] block nbd3: shutting down sockets [ 178.802039][ T8309] block nbd4: Receive control failed (result -22) [ 178.833287][T13006] block nbd4: shutting down sockets [ 178.859511][T13122] block nbd0: shutting down sockets 06:52:45 executing program 4 (fault-call:10 fault-nth:21): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:45 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, 0x0) 06:52:45 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) shutdown(r1, 0x1) 06:52:45 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(0x0, 0x0, &(0x7f0000000780)=[&(0x7f0000000700)='proc\x00']) 06:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1279) [ 178.902882][T13125] block nbd3: shutting down sockets 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1278) 06:52:45 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, 0x0) [ 178.987136][T13141] block nbd3: shutting down sockets [ 178.993697][T13138] block nbd0: shutting down sockets [ 179.003501][T13145] block nbd3: Device being setup by another task [ 179.011122][T13145] block nbd3: shutting down sockets [ 179.017761][T13138] block nbd0: shutting down sockets [ 179.026254][T13143] FAULT_INJECTION: forcing a failure. 06:52:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127a) 06:52:45 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, 0x0) [ 179.026254][T13143] name failslab, interval 1, probability 0, space 0, times 0 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1279) [ 179.092401][T13143] CPU: 0 PID: 13143 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 179.100339][T13143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.110399][T13143] Call Trace: [ 179.113710][T13143] dump_stack+0x1d8/0x2f8 [ 179.118064][T13143] should_fail+0x555/0x770 [ 179.122493][T13143] __should_failslab+0x11a/0x160 [ 179.127446][T13143] ? __d_alloc+0x2d/0x6e0 [ 179.132403][T13143] should_failslab+0x9/0x20 [ 179.132862][T13156] block nbd3: shutting down sockets [ 179.136906][T13143] kmem_cache_alloc+0x56/0x2e0 [ 179.136923][T13143] __d_alloc+0x2d/0x6e0 [ 179.136932][T13143] ? rcu_lock_release+0x9/0x30 [ 179.136943][T13143] d_alloc_parallel+0x7f/0x1430 [ 179.153888][T13156] block nbd3: shutting down sockets [ 179.156207][T13143] ? memset+0x31/0x40 [ 179.156222][T13143] ? lockdep_init_map+0x2a/0x680 [ 179.156238][T13143] __lookup_slow+0xa7/0x380 [ 179.156255][T13143] lookup_one_len+0x123/0x220 [ 179.184405][T13143] start_creating+0xd3/0x270 06:52:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127a) 06:52:45 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)) [ 179.189123][T13143] __debugfs_create_file+0x75/0x470 [ 179.194338][T13143] debugfs_create_file_unsafe+0x4a/0x60 [ 179.199910][T13143] debugfs_create_u64+0x82/0x90 [ 179.204961][T13143] nbd_start_device+0x579/0xbe0 [ 179.208326][T13154] block nbd0: shutting down sockets [ 179.209871][T13143] nbd_ioctl+0x3b6/0xac0 [ 179.209885][T13143] ? rcu_lock_release+0x9/0x30 [ 179.224079][T13143] ? nbd_release+0x120/0x120 [ 179.228703][T13143] blkdev_ioctl+0x807/0x2980 [ 179.233318][T13143] ? tomoyo_path_number_perm+0x53e/0x640 [ 179.239074][T13143] block_ioctl+0xbd/0x100 [ 179.243411][T13143] ? blkdev_iopoll+0x100/0x100 [ 179.248306][T13143] do_vfs_ioctl+0x744/0x1730 [ 179.248972][T13154] block nbd0: shutting down sockets [ 179.252895][T13143] ? __fget+0x4b1/0x510 [ 179.252913][T13143] ? tomoyo_file_ioctl+0x23/0x30 [ 179.252922][T13143] ? security_file_ioctl+0xa1/0xd0 [ 179.252935][T13143] __x64_sys_ioctl+0xe3/0x120 [ 179.252948][T13143] do_syscall_64+0xf7/0x1c0 [ 179.252961][T13143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.252971][T13143] RIP: 0033:0x459a59 [ 179.252984][T13143] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 179.272348][T13143] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 179.272358][T13143] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 179.272362][T13143] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 179.272367][T13143] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 179.272372][T13143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 179.272377][T13143] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 179.293627][ T8309] block nbd4: Receive control failed (result -22) [ 179.315526][T13210] block nbd3: shutting down sockets [ 179.325558][ T8309] block nbd4: Receive control failed (result -22) [ 179.383012][T13210] block nbd3: shutting down sockets [ 179.413691][T13142] block nbd4: shutting down sockets 06:52:46 executing program 4 (fault-call:10 fault-nth:22): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:46 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127b) 06:52:46 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, 0x0) 06:52:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127b) 06:52:46 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)) [ 179.484802][T13269] block nbd0: shutting down sockets [ 179.502198][T13272] block nbd3: shutting down sockets [ 179.517861][T13269] block nbd0: shutting down sockets 06:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127c) 06:52:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127c) [ 179.545135][T13272] block nbd3: shutting down sockets [ 179.563577][T13281] FAULT_INJECTION: forcing a failure. [ 179.563577][T13281] name failslab, interval 1, probability 0, space 0, times 0 [ 179.605256][T13281] CPU: 1 PID: 13281 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 179.613205][T13281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.623256][T13281] Call Trace: [ 179.623276][T13281] dump_stack+0x1d8/0x2f8 [ 179.623290][T13281] should_fail+0x555/0x770 [ 179.623307][T13281] __should_failslab+0x11a/0x160 [ 179.635339][T13281] ? security_inode_alloc+0x36/0x1e0 [ 179.635353][T13281] should_failslab+0x9/0x20 [ 179.635366][T13281] kmem_cache_alloc+0x56/0x2e0 [ 179.635379][T13281] security_inode_alloc+0x36/0x1e0 [ 179.635392][T13281] inode_init_always+0x3b5/0x920 [ 179.664984][T13281] new_inode_pseudo+0x7f/0x240 [ 179.670544][T13281] new_inode+0x28/0x1c0 [ 179.674714][T13281] ? start_creating+0x17b/0x270 [ 179.677722][T13288] block nbd3: shutting down sockets [ 179.679573][T13281] __debugfs_create_file+0xbc/0x470 [ 179.679591][T13281] debugfs_create_file_unsafe+0x4a/0x60 [ 179.679603][T13281] debugfs_create_u64+0x82/0x90 [ 179.679616][T13281] nbd_start_device+0x579/0xbe0 [ 179.679635][T13281] nbd_ioctl+0x3b6/0xac0 [ 179.693097][T13288] block nbd3: shutting down sockets [ 179.695558][T13281] ? rcu_lock_release+0x9/0x30 [ 179.695571][T13281] ? nbd_release+0x120/0x120 [ 179.695584][T13281] blkdev_ioctl+0x807/0x2980 [ 179.695597][T13281] ? tomoyo_path_number_perm+0x53e/0x640 [ 179.695625][T13281] block_ioctl+0xbd/0x100 [ 179.738690][T13281] ? blkdev_iopoll+0x100/0x100 [ 179.742206][T13297] block nbd3: shutting down sockets [ 179.743473][T13281] do_vfs_ioctl+0x744/0x1730 06:52:46 executing program 5: r0 = syz_open_dev$swradio(&(0x7f0000000200)='/dev/swradio#\x00', 0x1, 0x2) read$FUSE(r0, &(0x7f0000000540), 0x1000) r1 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f00000001c0)) 06:52:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127d) [ 179.743484][T13281] ? __fget+0x4b1/0x510 [ 179.743502][T13281] ? tomoyo_file_ioctl+0x23/0x30 [ 179.743512][T13281] ? security_file_ioctl+0xa1/0xd0 [ 179.743526][T13281] __x64_sys_ioctl+0xe3/0x120 [ 179.743538][T13281] do_syscall_64+0xf7/0x1c0 [ 179.743552][T13281] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.763160][T13298] block nbd3: Device being setup by another task [ 179.767516][T13281] RIP: 0033:0x459a59 06:52:46 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, 0x0) 06:52:46 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 179.767528][T13281] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 179.767533][T13281] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 179.767541][T13281] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 179.767551][T13281] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 179.773182][T13298] block nbd3: shutting down sockets [ 179.776706][T13281] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 179.776712][T13281] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 179.776718][T13281] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 179.791577][T13281] debugfs: out of free dentries, can not create file 'size_bytes' [ 179.875010][ T8309] block nbd4: Receive control failed (result -22) [ 179.881359][ T8358] block nbd4: Receive control failed (result -22) [ 179.891439][T13276] block nbd4: shutting down sockets 06:52:46 executing program 4 (fault-call:10 fault-nth:23): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:46 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127d) 06:52:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127e) 06:52:46 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 179.993442][T13312] block nbd0: shutting down sockets [ 180.000276][T13314] block nbd3: shutting down sockets [ 180.015461][T13312] block nbd0: shutting down sockets [ 180.022908][T13314] block nbd3: shutting down sockets [ 180.040396][T13320] FAULT_INJECTION: forcing a failure. [ 180.040396][T13320] name failslab, interval 1, probability 0, space 0, times 0 [ 180.063378][T13320] CPU: 1 PID: 13320 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 180.071308][T13320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.081363][T13320] Call Trace: [ 180.084665][T13320] dump_stack+0x1d8/0x2f8 [ 180.089002][T13320] should_fail+0x555/0x770 [ 180.093428][T13320] __should_failslab+0x11a/0x160 [ 180.098378][T13320] ? new_inode_pseudo+0x135/0x240 [ 180.103412][T13320] should_failslab+0x9/0x20 [ 180.107923][T13320] kmem_cache_alloc+0x56/0x2e0 [ 180.112684][T13320] new_inode_pseudo+0x135/0x240 [ 180.117513][T13320] new_inode+0x28/0x1c0 [ 180.121644][T13320] ? start_creating+0x17b/0x270 [ 180.126485][T13320] __debugfs_create_file+0xbc/0x470 [ 180.131663][T13320] debugfs_create_file_unsafe+0x4a/0x60 [ 180.137184][T13320] debugfs_create_u32+0x82/0x90 [ 180.142014][T13320] nbd_start_device+0x592/0xbe0 [ 180.146845][T13320] nbd_ioctl+0x3b6/0xac0 [ 180.151064][T13320] ? rcu_lock_release+0x9/0x30 [ 180.155805][T13320] ? nbd_release+0x120/0x120 [ 180.160385][T13320] blkdev_ioctl+0x807/0x2980 [ 180.164956][T13320] ? tomoyo_path_number_perm+0x53e/0x640 [ 180.170578][T13320] block_ioctl+0xbd/0x100 [ 180.174885][T13320] ? blkdev_iopoll+0x100/0x100 [ 180.179626][T13320] do_vfs_ioctl+0x744/0x1730 [ 180.184192][T13320] ? __fget+0x4b1/0x510 [ 180.188338][T13320] ? tomoyo_file_ioctl+0x23/0x30 [ 180.193265][T13320] ? security_file_ioctl+0xa1/0xd0 [ 180.198368][T13320] __x64_sys_ioctl+0xe3/0x120 [ 180.203029][T13320] do_syscall_64+0xf7/0x1c0 [ 180.207510][T13320] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.213377][T13320] RIP: 0033:0x459a59 [ 180.217257][T13320] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 180.236847][T13320] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 180.245232][T13320] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 180.253183][T13320] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 180.261141][T13320] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 180.269099][T13320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 180.277046][T13320] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:47 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:47 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)) 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127f) 06:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127e) [ 180.290345][T13320] debugfs: out of free dentries, can not create file 'timeout' [ 180.301198][ T8358] block nbd4: Receive control failed (result -22) [ 180.309635][ T8358] block nbd4: Receive control failed (result -22) [ 180.318706][T13317] block nbd4: shutting down sockets [ 180.359814][T13329] block nbd0: shutting down sockets [ 180.365360][T13330] block nbd3: shutting down sockets [ 180.394507][T13329] block nbd0: shutting down sockets 06:52:47 executing program 4 (fault-call:10 fault-nth:24): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 180.417651][T13331] block nbd3: Device being setup by another task [ 180.433427][T13330] block nbd3: shutting down sockets 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4c01) 06:52:47 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127f) 06:52:47 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)) [ 180.499431][T13346] FAULT_INJECTION: forcing a failure. [ 180.499431][T13346] name failslab, interval 1, probability 0, space 0, times 0 [ 180.530617][T13348] block nbd3: shutting down sockets [ 180.538838][T13346] CPU: 0 PID: 13346 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 180.546766][T13346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.556825][T13346] Call Trace: [ 180.560116][T13346] dump_stack+0x1d8/0x2f8 [ 180.564453][T13346] should_fail+0x555/0x770 [ 180.566191][T13348] block nbd3: shutting down sockets [ 180.568903][T13346] __should_failslab+0x11a/0x160 [ 180.568916][T13346] ? new_inode_pseudo+0x135/0x240 [ 180.568931][T13346] should_failslab+0x9/0x20 [ 180.588571][T13346] kmem_cache_alloc+0x56/0x2e0 [ 180.593344][T13346] new_inode_pseudo+0x135/0x240 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4c81) [ 180.598205][T13346] new_inode+0x28/0x1c0 [ 180.599288][T13352] block nbd0: shutting down sockets [ 180.602382][T13346] ? start_creating+0x17b/0x270 [ 180.602396][T13346] __debugfs_create_file+0xbc/0x470 [ 180.602410][T13346] debugfs_create_file_unsafe+0x4a/0x60 [ 180.602421][T13346] debugfs_create_u32+0x82/0x90 [ 180.602432][T13346] nbd_start_device+0x592/0xbe0 [ 180.602449][T13346] nbd_ioctl+0x3b6/0xac0 [ 180.602462][T13346] ? rcu_lock_release+0x9/0x30 [ 180.602476][T13346] ? nbd_release+0x120/0x120 [ 180.635037][T13355] block nbd0: Device being setup by another task [ 180.637473][T13346] blkdev_ioctl+0x807/0x2980 [ 180.637488][T13346] ? tomoyo_path_number_perm+0x53e/0x640 [ 180.637514][T13346] block_ioctl+0xbd/0x100 [ 180.654794][T13355] block nbd0: shutting down sockets [ 180.657791][T13346] ? blkdev_iopoll+0x100/0x100 [ 180.657807][T13346] do_vfs_ioctl+0x744/0x1730 [ 180.657816][T13346] ? __fget+0x4b1/0x510 [ 180.657832][T13346] ? tomoyo_file_ioctl+0x23/0x30 [ 180.657842][T13346] ? security_file_ioctl+0xa1/0xd0 [ 180.657855][T13346] __x64_sys_ioctl+0xe3/0x120 [ 180.673716][T13359] block nbd3: shutting down sockets [ 180.677835][T13346] do_syscall_64+0xf7/0x1c0 [ 180.677850][T13346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.677860][T13346] RIP: 0033:0x459a59 [ 180.677869][T13346] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 180.677879][T13346] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 180.708093][T13359] block nbd3: shutting down sockets [ 180.710955][T13346] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 180.710961][T13346] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 180.710967][T13346] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 180.710973][T13346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 180.710979][T13346] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) 06:52:47 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4c01) 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) 06:52:47 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)) [ 180.761493][T13346] debugfs: out of free dentries, can not create file 'timeout' [ 180.878166][T13467] block nbd0: shutting down sockets [ 180.903059][T13467] block nbd0: shutting down sockets [ 180.911576][ T8358] block nbd4: Receive control failed (result -22) [ 180.916235][ T8309] block nbd4: Receive control failed (result -22) [ 180.943720][T13343] block nbd4: shutting down sockets 06:52:47 executing program 4 (fault-call:10 fault-nth:25): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5419) 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) 06:52:47 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5421) [ 181.013039][T13478] block nbd3: shutting down sockets [ 181.029756][T13481] block nbd0: shutting down sockets [ 181.042723][T13478] block nbd3: shutting down sockets [ 181.056793][T13481] block nbd0: shutting down sockets 06:52:47 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[0x0]) 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5421) 06:52:47 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 181.063482][T13487] FAULT_INJECTION: forcing a failure. [ 181.063482][T13487] name failslab, interval 1, probability 0, space 0, times 0 [ 181.133713][T13487] CPU: 1 PID: 13487 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 181.142520][T13487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.148708][T13495] block nbd3: shutting down sockets [ 181.152672][T13487] Call Trace: [ 181.152691][T13487] dump_stack+0x1d8/0x2f8 [ 181.152707][T13487] should_fail+0x555/0x770 [ 181.152726][T13487] __should_failslab+0x11a/0x160 [ 181.152738][T13487] ? security_inode_alloc+0x36/0x1e0 [ 181.152750][T13487] should_failslab+0x9/0x20 [ 181.152761][T13487] kmem_cache_alloc+0x56/0x2e0 [ 181.152775][T13487] security_inode_alloc+0x36/0x1e0 [ 181.183190][T13496] block nbd3: Device being setup by another task [ 181.184273][T13487] inode_init_always+0x3b5/0x920 [ 181.184291][T13487] new_inode_pseudo+0x7f/0x240 [ 181.189156][T13495] block nbd3: shutting down sockets [ 181.193537][T13487] new_inode+0x28/0x1c0 [ 181.193553][T13487] ? start_creating+0x17b/0x270 [ 181.193566][T13487] __debugfs_create_file+0xbc/0x470 [ 181.193581][T13487] debugfs_create_file_unsafe+0x4a/0x60 [ 181.193591][T13487] debugfs_create_u32+0x82/0x90 [ 181.193603][T13487] nbd_start_device+0x592/0xbe0 [ 181.193620][T13487] nbd_ioctl+0x3b6/0xac0 [ 181.193634][T13487] ? rcu_lock_release+0x9/0x30 [ 181.260788][T13499] block nbd3: shutting down sockets [ 181.261420][T13487] ? nbd_release+0x120/0x120 [ 181.261433][T13487] blkdev_ioctl+0x807/0x2980 [ 181.261445][T13487] ? tomoyo_path_number_perm+0x53e/0x640 [ 181.261472][T13487] block_ioctl+0xbd/0x100 [ 181.275383][T13499] block nbd3: shutting down sockets [ 181.275837][T13487] ? blkdev_iopoll+0x100/0x100 [ 181.295802][T13487] do_vfs_ioctl+0x744/0x1730 [ 181.300400][T13487] ? __fget+0x4b1/0x510 [ 181.304674][T13487] ? tomoyo_file_ioctl+0x23/0x30 [ 181.309631][T13487] ? security_file_ioctl+0xa1/0xd0 [ 181.314755][T13487] __x64_sys_ioctl+0xe3/0x120 [ 181.319450][T13487] do_syscall_64+0xf7/0x1c0 [ 181.323970][T13487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.329872][T13487] RIP: 0033:0x459a59 06:52:47 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5450) 06:52:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5451) 06:52:48 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 181.333778][T13487] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 181.341705][T13503] block nbd3: shutting down sockets [ 181.353479][T13487] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 181.353490][T13487] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 181.353496][T13487] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 181.353501][T13487] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 181.353507][T13487] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 181.353512][T13487] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 181.363146][T13487] debugfs: out of free dentries, can not create file 'timeout' [ 181.406506][T13503] block nbd3: shutting down sockets [ 181.421569][ T8309] block nbd4: Receive control failed (result -22) [ 181.428672][ T8309] block nbd4: Receive control failed (result -22) 06:52:48 executing program 4 (fault-call:10 fault-nth:26): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5450) 06:52:48 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 181.442801][T13486] block nbd4: shutting down sockets 06:52:48 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5452) [ 181.495268][T13513] block nbd0: shutting down sockets [ 181.547181][T13520] block nbd3: shutting down sockets [ 181.551890][T13513] block nbd0: shutting down sockets [ 181.555709][T13518] FAULT_INJECTION: forcing a failure. [ 181.555709][T13518] name failslab, interval 1, probability 0, space 0, times 0 [ 181.580162][T13518] CPU: 0 PID: 13518 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 181.588120][T13518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.598187][T13518] Call Trace: [ 181.601497][T13518] dump_stack+0x1d8/0x2f8 [ 181.605853][T13518] should_fail+0x555/0x770 [ 181.611358][T13518] __should_failslab+0x11a/0x160 [ 181.616319][T13518] ? __d_alloc+0x2d/0x6e0 [ 181.620748][T13518] should_failslab+0x9/0x20 [ 181.625260][T13518] kmem_cache_alloc+0x56/0x2e0 [ 181.630045][T13518] __d_alloc+0x2d/0x6e0 [ 181.633090][T13524] block nbd3: Device being setup by another task [ 181.634324][T13518] ? rcu_lock_release+0x9/0x30 [ 181.634336][T13518] d_alloc_parallel+0x7f/0x1430 [ 181.634352][T13518] ? memset+0x31/0x40 [ 181.643614][T13524] block nbd3: shutting down sockets [ 181.646484][T13518] ? lockdep_init_map+0x2a/0x680 [ 181.646501][T13518] __lookup_slow+0xa7/0x380 [ 181.646520][T13518] lookup_one_len+0x123/0x220 [ 181.646536][T13518] start_creating+0xd3/0x270 [ 181.646548][T13518] __debugfs_create_file+0x75/0x470 [ 181.646564][T13518] debugfs_create_file_unsafe+0x4a/0x60 [ 181.646575][T13518] debugfs_create_u64+0x82/0x90 [ 181.646589][T13518] nbd_start_device+0x5b0/0xbe0 [ 181.705288][T13518] nbd_ioctl+0x3b6/0xac0 [ 181.709659][T13518] ? rcu_lock_release+0x9/0x30 [ 181.714661][T13518] ? nbd_release+0x120/0x120 [ 181.719257][T13518] blkdev_ioctl+0x807/0x2980 [ 181.723839][T13518] ? tomoyo_path_number_perm+0x53e/0x640 [ 181.729473][T13518] block_ioctl+0xbd/0x100 [ 181.734186][T13518] ? blkdev_iopoll+0x100/0x100 [ 181.738955][T13518] do_vfs_ioctl+0x744/0x1730 [ 181.743550][T13518] ? __fget+0x4b1/0x510 [ 181.747691][T13518] ? tomoyo_file_ioctl+0x23/0x30 [ 181.752631][T13518] ? security_file_ioctl+0xa1/0xd0 [ 181.757740][T13518] __x64_sys_ioctl+0xe3/0x120 [ 181.762425][T13518] do_syscall_64+0xf7/0x1c0 [ 181.766941][T13518] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.772826][T13518] RIP: 0033:0x459a59 [ 181.776730][T13518] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 181.797716][T13518] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 181.806122][T13518] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 181.814096][T13518] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 181.822151][T13518] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 181.832303][T13518] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 06:52:48 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[0x0]) 06:52:48 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5451) 06:52:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5460) 06:52:48 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 181.841428][T13518] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 181.863036][ T8309] block nbd4: Receive control failed (result -22) [ 181.874026][ T8309] block nbd4: Receive control failed (result -22) 06:52:48 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:48 executing program 4 (fault-call:10 fault-nth:27): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 181.899887][T13531] block nbd0: shutting down sockets [ 181.911086][T13517] block nbd4: shutting down sockets [ 181.931110][T13533] block nbd3: shutting down sockets [ 181.943450][T13531] block nbd0: shutting down sockets 06:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5452) [ 182.002576][T13533] block nbd3: shutting down sockets 06:52:48 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 182.033059][T13546] FAULT_INJECTION: forcing a failure. [ 182.033059][T13546] name failslab, interval 1, probability 0, space 0, times 0 [ 182.055937][T13546] CPU: 0 PID: 13546 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 182.063961][T13546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.074117][T13546] Call Trace: [ 182.077419][T13546] dump_stack+0x1d8/0x2f8 [ 182.081780][T13546] should_fail+0x555/0x770 [ 182.081797][T13546] __should_failslab+0x11a/0x160 [ 182.081809][T13546] ? new_inode_pseudo+0x135/0x240 [ 182.081821][T13546] should_failslab+0x9/0x20 [ 182.081833][T13546] kmem_cache_alloc+0x56/0x2e0 [ 182.081846][T13546] new_inode_pseudo+0x135/0x240 [ 182.081858][T13546] new_inode+0x28/0x1c0 [ 182.081868][T13546] ? start_creating+0x17b/0x270 [ 182.081882][T13546] __debugfs_create_file+0xbc/0x470 [ 182.091280][T13546] debugfs_create_file_unsafe+0x4a/0x60 [ 182.091291][T13546] debugfs_create_u64+0x82/0x90 [ 182.091303][T13546] nbd_start_device+0x5b0/0xbe0 [ 182.091321][T13546] nbd_ioctl+0x3b6/0xac0 [ 182.091333][T13546] ? rcu_lock_release+0x9/0x30 [ 182.091343][T13546] ? nbd_release+0x120/0x120 [ 182.091354][T13546] blkdev_ioctl+0x807/0x2980 [ 182.091366][T13546] ? tomoyo_path_number_perm+0x53e/0x640 [ 182.091396][T13546] block_ioctl+0xbd/0x100 [ 182.140417][T13551] block nbd0: shutting down sockets [ 182.141143][T13546] ? blkdev_iopoll+0x100/0x100 06:52:48 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:48 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 182.141162][T13546] do_vfs_ioctl+0x744/0x1730 [ 182.178323][T13551] block nbd0: shutting down sockets [ 182.179816][T13546] ? __fget+0x4b1/0x510 [ 182.179839][T13546] ? tomoyo_file_ioctl+0x23/0x30 [ 182.199122][T13546] ? security_file_ioctl+0xa1/0xd0 [ 182.204336][T13546] __x64_sys_ioctl+0xe3/0x120 [ 182.209132][T13546] do_syscall_64+0xf7/0x1c0 [ 182.214172][T13546] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.220516][T13546] RIP: 0033:0x459a59 06:52:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5460) [ 182.224410][T13546] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 182.244626][T13546] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 182.253049][T13546] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 182.261031][T13546] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 182.269024][T13546] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 182.270985][T13559] block nbd0: shutting down sockets [ 182.277027][T13546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 182.277033][T13546] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 182.297627][T13546] debugfs: out of free dentries, can not create file 'blocksize' 06:52:49 executing program 1: openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000940)={0x0, @in6={{0xa, 0x4e21, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, 0x0, 0x7}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='setgroups\x00') writev(r0, &(0x7f0000000200), 0x0) write$P9_RSTATFS(r0, &(0x7f0000000640)={0x43, 0x9, 0x2, {0xffffffff, 0x0, 0x2, 0x0, 0x9, 0x8000, 0x20, 0x1, 0xfffffffd}}, 0xfffffffffffffcb3) syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sched_setaffinity(0x0, 0x3d31, &(0x7f0000000200)=0xa000000000000005) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) open(&(0x7f0000000180)='./file0\x00', 0x40, 0x1) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000500)=@v2={0x2000000, [{0x8, 0x9}, {0x4, 0xf4}]}, 0x14, 0x0) clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000440)='./file0\x00', 0x0, &(0x7f0000000780)=[0x0]) 06:52:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x6364) 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 182.328934][T13559] block nbd0: shutting down sockets [ 182.338927][ T8309] block nbd4: Receive control failed (result -22) [ 182.345769][ T8358] block nbd4: Receive control failed (result -22) 06:52:49 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) [ 182.381840][T13563] block nbd3: shutting down sockets [ 182.382955][T13542] block nbd4: shutting down sockets 06:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x6364) 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:49 executing program 4 (fault-call:10 fault-nth:28): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 182.448076][T13563] block nbd3: shutting down sockets 06:52:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x7001) 06:52:49 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) 06:52:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000240)="25bca2747e9e620aa734fa0295e0612687463915e38802a9d8aea872943afd874e2f98b479a7316270146d0e02f8e63bca863cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000140)={[{@nolazytime='nolazytime'}]}) [ 182.542832][T13579] block nbd0: shutting down sockets 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 182.585598][T13583] FAULT_INJECTION: forcing a failure. [ 182.585598][T13583] name failslab, interval 1, probability 0, space 0, times 0 [ 182.597368][T13579] block nbd0: shutting down sockets [ 182.608869][T13586] block nbd3: shutting down sockets 06:52:49 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) [ 182.635667][T13590] block nbd3: Device being setup by another task [ 182.644628][T13583] CPU: 0 PID: 13583 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 182.652545][T13583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.662603][T13583] Call Trace: [ 182.665924][T13583] dump_stack+0x1d8/0x2f8 [ 182.670278][T13583] should_fail+0x555/0x770 [ 182.674703][T13583] __should_failslab+0x11a/0x160 [ 182.679648][T13583] ? security_inode_alloc+0x36/0x1e0 06:52:49 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 182.684976][T13583] should_failslab+0x9/0x20 [ 182.689499][T13583] kmem_cache_alloc+0x56/0x2e0 [ 182.694278][T13583] security_inode_alloc+0x36/0x1e0 [ 182.699407][T13583] inode_init_always+0x3b5/0x920 [ 182.704358][T13583] new_inode_pseudo+0x7f/0x240 [ 182.709130][T13583] new_inode+0x28/0x1c0 [ 182.713297][T13583] ? start_creating+0x17b/0x270 [ 182.718423][T13583] __debugfs_create_file+0xbc/0x470 [ 182.724181][T13583] debugfs_create_file_unsafe+0x4a/0x60 [ 182.729756][T13583] debugfs_create_u64+0x82/0x90 [ 182.734643][T13583] nbd_start_device+0x5b0/0xbe0 [ 182.739521][T13583] nbd_ioctl+0x3b6/0xac0 [ 182.743782][T13583] ? rcu_lock_release+0x9/0x30 [ 182.748558][T13583] ? nbd_release+0x120/0x120 [ 182.753159][T13583] blkdev_ioctl+0x807/0x2980 [ 182.757752][T13583] ? tomoyo_path_number_perm+0x53e/0x640 [ 182.763072][T13586] block nbd3: shutting down sockets [ 182.763430][T13583] block_ioctl+0xbd/0x100 [ 182.772978][T13583] ? blkdev_iopoll+0x100/0x100 [ 182.777835][T13583] do_vfs_ioctl+0x744/0x1730 [ 182.782415][T13583] ? __fget+0x4b1/0x510 06:52:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8912) 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 182.786680][T13583] ? tomoyo_file_ioctl+0x23/0x30 [ 182.791630][T13583] ? security_file_ioctl+0xa1/0xd0 [ 182.797021][T13583] __x64_sys_ioctl+0xe3/0x120 [ 182.801705][T13583] do_syscall_64+0xf7/0x1c0 [ 182.806235][T13583] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.812155][T13583] RIP: 0033:0x459a59 [ 182.816063][T13583] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 182.835701][T13583] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 182.844151][T13583] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 182.853172][T13583] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 182.861273][T13583] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 182.867430][T13601] block nbd3: shutting down sockets [ 182.869241][T13583] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 06:52:49 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f0000000000)={@dev, 0x3}, 0x20) socketpair$unix(0x1, 0x0, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) fadvise64(0xffffffffffffffff, 0x0, 0x0, 0x0) setsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, 0x0, 0x0) 06:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8912) [ 182.869247][T13583] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 06:52:49 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 182.923529][T13607] block nbd0: shutting down sockets [ 182.929566][T13583] debugfs: out of free dentries, can not create file 'blocksize' [ 182.959442][ T8309] block nbd4: Receive control failed (result -22) [ 182.959887][T13607] block nbd0: shutting down sockets [ 182.966193][ T8358] block nbd4: Receive control failed (result -22) [ 182.984360][T13601] block nbd3: shutting down sockets [ 182.992754][T13581] block nbd4: shutting down sockets 06:52:49 executing program 4 (fault-call:10 fault-nth:29): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8933) 06:52:49 executing program 1: r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) bind$netrom(r0, &(0x7f00000005c0)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x5}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}, 0x48) r1 = socket$inet6_udp(0xa, 0x2, 0x0) fcntl$getflags(r1, 0x40a) ioctl$IOC_PR_PREEMPT(0xffffffffffffffff, 0x401870cb, &(0x7f0000000140)={0x8, 0x0, 0x19, 0x5}) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @local, 0x10000000000004}, 0x1c) pipe(0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x6, 0x3, 0xfffffffffffffffc, 0xfffffffffffffffe, 0x0, 0x0, 0xda95, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x200, 0x2}, 0x0, 0xfffffbffffffffff, 0xffffffffffffffff, 0x2) socket$l2tp(0x18, 0x1, 0x1) mq_open(&(0x7f0000000000)='.d5sumeth1wlan0{cgroupmime_type@\x00', 0x0, 0x0, 0x0) mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) mq_timedreceive(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) syz_open_dev$vbi(0x0, 0x3, 0x2) ioctl$sock_inet_SIOCSIFPFLAGS(0xffffffffffffffff, 0x8934, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) open(0x0, 0x0, 0x0) symlinkat(0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(0xffffffffffffffff, 0x84, 0x6b, 0x0, 0x0) close(0xffffffffffffffff) syz_open_dev$vcsa(0x0, 0x0, 0x0) mkdirat(0xffffffffffffffff, 0x0, 0x0) openat$sequencer(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(0xffffffffffffffff, 0x40085112, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, 0x0, 0x0) connect$l2tp(0xffffffffffffffff, 0x0, 0x0) 06:52:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8914) 06:52:49 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 183.087624][T13712] block nbd3: shutting down sockets [ 183.123292][T13717] FAULT_INJECTION: forcing a failure. [ 183.123292][T13717] name failslab, interval 1, probability 0, space 0, times 0 [ 183.138110][T13712] block nbd3: shutting down sockets [ 183.140264][T13717] CPU: 0 PID: 13717 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 183.151373][T13717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.161563][T13717] Call Trace: [ 183.164854][T13717] dump_stack+0x1d8/0x2f8 [ 183.169182][T13717] should_fail+0x555/0x770 [ 183.173586][T13717] __should_failslab+0x11a/0x160 [ 183.178529][T13717] ? __d_alloc+0x2d/0x6e0 [ 183.182840][T13717] should_failslab+0x9/0x20 [ 183.187350][T13717] kmem_cache_alloc+0x56/0x2e0 [ 183.192094][T13717] __d_alloc+0x2d/0x6e0 [ 183.196255][T13717] ? rcu_lock_release+0x9/0x30 [ 183.201015][T13717] d_alloc_parallel+0x7f/0x1430 [ 183.205935][T13717] ? memset+0x31/0x40 [ 183.209919][T13717] ? lockdep_init_map+0x2a/0x680 [ 183.214842][T13717] __lookup_slow+0xa7/0x380 [ 183.219330][T13717] lookup_one_len+0x123/0x220 [ 183.224014][T13717] start_creating+0xd3/0x270 [ 183.228611][T13717] __debugfs_create_file+0x75/0x470 [ 183.233795][T13717] ? debugfs_create_file_unsafe+0x4a/0x60 [ 183.239596][T13717] debugfs_create_file+0x4a/0x60 [ 183.244523][T13717] nbd_start_device+0x5ce/0xbe0 [ 183.249359][T13717] nbd_ioctl+0x3b6/0xac0 [ 183.253586][T13717] ? rcu_lock_release+0x9/0x30 [ 183.258338][T13717] ? nbd_release+0x120/0x120 [ 183.262909][T13717] blkdev_ioctl+0x807/0x2980 [ 183.267481][T13717] ? tomoyo_path_number_perm+0x53e/0x640 [ 183.273110][T13717] block_ioctl+0xbd/0x100 [ 183.277416][T13717] ? blkdev_iopoll+0x100/0x100 [ 183.282183][T13717] do_vfs_ioctl+0x744/0x1730 [ 183.286749][T13717] ? __fget+0x4b1/0x510 [ 183.290887][T13717] ? tomoyo_file_ioctl+0x23/0x30 [ 183.295818][T13717] ? security_file_ioctl+0xa1/0xd0 [ 183.300920][T13717] __x64_sys_ioctl+0xe3/0x120 [ 183.305585][T13717] do_syscall_64+0xf7/0x1c0 [ 183.310072][T13717] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.315950][T13717] RIP: 0033:0x459a59 [ 183.319825][T13717] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 183.339419][T13717] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 183.347813][T13717] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 183.355765][T13717] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 183.363741][T13717] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 06:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab00) [ 183.371705][T13717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 183.379665][T13717] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 183.397146][T13722] block nbd0: shutting down sockets [ 183.410453][ T8309] block nbd4: Receive control failed (result -22) [ 183.417750][ T8309] block nbd4: Receive control failed (result -22) [ 183.443055][T13716] block nbd4: shutting down sockets 06:52:50 executing program 4 (fault-call:10 fault-nth:30): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:50 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 183.465165][T13746] block nbd3: shutting down sockets [ 183.478508][T13722] block nbd0: shutting down sockets 06:52:50 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8933) [ 183.534146][T13746] block nbd3: shutting down sockets [ 183.559087][T13832] FAULT_INJECTION: forcing a failure. [ 183.559087][T13832] name failslab, interval 1, probability 0, space 0, times 0 06:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab01) [ 183.610698][T13837] block nbd0: shutting down sockets 06:52:50 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 183.652569][T13832] CPU: 0 PID: 13832 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 183.660511][T13832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.670569][T13832] Call Trace: [ 183.673870][T13832] dump_stack+0x1d8/0x2f8 [ 183.678747][T13832] should_fail+0x555/0x770 [ 183.683179][T13832] __should_failslab+0x11a/0x160 [ 183.688116][T13832] ? new_inode_pseudo+0x135/0x240 [ 183.688130][T13832] should_failslab+0x9/0x20 [ 183.688143][T13832] kmem_cache_alloc+0x56/0x2e0 [ 183.688161][T13832] new_inode_pseudo+0x135/0x240 [ 183.697671][T13832] new_inode+0x28/0x1c0 [ 183.697683][T13832] ? start_creating+0x17b/0x270 [ 183.697697][T13832] __debugfs_create_file+0xbc/0x470 [ 183.697711][T13832] debugfs_create_file+0x4a/0x60 [ 183.726441][T13832] nbd_start_device+0x5ce/0xbe0 [ 183.731384][T13832] nbd_ioctl+0x3b6/0xac0 [ 183.735618][T13832] ? rcu_lock_release+0x9/0x30 [ 183.740377][T13832] ? nbd_release+0x120/0x120 [ 183.744966][T13832] blkdev_ioctl+0x807/0x2980 06:52:50 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 183.749566][T13832] ? tomoyo_path_number_perm+0x53e/0x640 [ 183.755233][T13832] block_ioctl+0xbd/0x100 [ 183.759561][T13832] ? blkdev_iopoll+0x100/0x100 [ 183.764332][T13832] do_vfs_ioctl+0x744/0x1730 [ 183.769008][T13832] ? __fget+0x4b1/0x510 [ 183.773183][T13832] ? tomoyo_file_ioctl+0x23/0x30 [ 183.778133][T13832] ? security_file_ioctl+0xa1/0xd0 [ 183.783261][T13832] __x64_sys_ioctl+0xe3/0x120 [ 183.787954][T13832] do_syscall_64+0xf7/0x1c0 [ 183.792466][T13832] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.794956][T13844] block nbd3: shutting down sockets [ 183.798359][T13832] RIP: 0033:0x459a59 [ 183.798370][T13832] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 183.798376][T13832] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 183.798386][T13832] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 183.798392][T13832] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 06:52:50 executing program 2: ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 183.798397][T13832] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 183.798407][T13832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 183.867423][T13832] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 183.874210][T13844] block nbd3: shutting down sockets 06:52:50 executing program 1: r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) bind$netrom(r0, &(0x7f00000005c0)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x5}, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}, 0x48) r1 = socket$inet6_udp(0xa, 0x2, 0x0) fcntl$getflags(r1, 0x40a) ioctl$IOC_PR_PREEMPT(0xffffffffffffffff, 0x401870cb, &(0x7f0000000140)={0x8, 0x0, 0x19, 0x5}) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @local, 0x10000000000004}, 0x1c) pipe(0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x6, 0x3, 0xfffffffffffffffc, 0xfffffffffffffffe, 0x0, 0x0, 0xda95, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x200, 0x2}, 0x0, 0xfffffbffffffffff, 0xffffffffffffffff, 0x2) socket$l2tp(0x18, 0x1, 0x1) mq_open(&(0x7f0000000000)='.d5sumeth1wlan0{cgroupmime_type@\x00', 0x0, 0x0, 0x0) mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) mq_timedreceive(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) syz_open_dev$vbi(0x0, 0x3, 0x2) ioctl$sock_inet_SIOCSIFPFLAGS(0xffffffffffffffff, 0x8934, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) open(0x0, 0x0, 0x0) symlinkat(0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(0xffffffffffffffff, 0x84, 0x6b, 0x0, 0x0) close(0xffffffffffffffff) syz_open_dev$vcsa(0x0, 0x0, 0x0) mkdirat(0xffffffffffffffff, 0x0, 0x0) openat$sequencer(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(0xffffffffffffffff, 0x40085112, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, 0x0, 0x0) connect$l2tp(0xffffffffffffffff, 0x0, 0x0) 06:52:50 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 183.903188][T13837] block nbd0: shutting down sockets 06:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab00) 06:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab02) [ 183.924991][T13832] debugfs: out of free dentries, can not create file 'flags' [ 183.933214][ T8309] block nbd4: Receive control failed (result -22) [ 183.940471][ T8309] block nbd4: Receive control failed (result -22) [ 183.962888][T13831] block nbd4: shutting down sockets 06:52:50 executing program 4 (fault-call:10 fault-nth:31): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:50 executing program 2: ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 183.988160][T13856] block nbd3: shutting down sockets [ 183.998481][T13855] block nbd0: shutting down sockets 06:52:50 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 184.043157][T13856] block nbd3: shutting down sockets [ 184.048857][T13861] block nbd0: Device being setup by another task [ 184.074025][T13855] block nbd0: shutting down sockets [ 184.086114][T13865] FAULT_INJECTION: forcing a failure. 06:52:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab04) 06:52:50 executing program 1: [ 184.086114][T13865] name failslab, interval 1, probability 0, space 0, times 0 [ 184.134496][T13865] CPU: 1 PID: 13865 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 184.142437][T13865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.152495][T13865] Call Trace: [ 184.155803][T13865] dump_stack+0x1d8/0x2f8 [ 184.160149][T13865] should_fail+0x555/0x770 [ 184.164584][T13865] __should_failslab+0x11a/0x160 [ 184.169531][T13865] ? security_inode_alloc+0x36/0x1e0 [ 184.174822][T13865] should_failslab+0x9/0x20 [ 184.179335][T13865] kmem_cache_alloc+0x56/0x2e0 [ 184.184208][T13865] security_inode_alloc+0x36/0x1e0 [ 184.189330][T13865] inode_init_always+0x3b5/0x920 [ 184.194278][T13865] new_inode_pseudo+0x7f/0x240 [ 184.199055][T13865] new_inode+0x28/0x1c0 [ 184.203220][T13865] ? start_creating+0x17b/0x270 [ 184.204105][T13877] block nbd0: shutting down sockets [ 184.208161][T13865] __debugfs_create_file+0xbc/0x470 [ 184.208178][T13865] debugfs_create_file+0x4a/0x60 [ 184.208192][T13865] nbd_start_device+0x5ce/0xbe0 [ 184.208214][T13865] nbd_ioctl+0x3b6/0xac0 [ 184.223710][T13877] block nbd0: shutting down sockets [ 184.228338][T13865] ? rcu_lock_release+0x9/0x30 [ 184.228352][T13865] ? nbd_release+0x120/0x120 [ 184.228364][T13865] blkdev_ioctl+0x807/0x2980 [ 184.228378][T13865] ? tomoyo_path_number_perm+0x53e/0x640 [ 184.228405][T13865] block_ioctl+0xbd/0x100 [ 184.261636][T13865] ? blkdev_iopoll+0x100/0x100 [ 184.266497][T13865] do_vfs_ioctl+0x744/0x1730 [ 184.271103][T13865] ? __fget+0x4b1/0x510 [ 184.275275][T13865] ? tomoyo_file_ioctl+0x23/0x30 [ 184.280228][T13865] ? security_file_ioctl+0xa1/0xd0 06:52:50 executing program 1: 06:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab01) 06:52:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab02) [ 184.284553][T13882] block nbd0: shutting down sockets [ 184.285351][T13865] __x64_sys_ioctl+0xe3/0x120 [ 184.285366][T13865] do_syscall_64+0xf7/0x1c0 [ 184.285380][T13865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.303704][T13883] block nbd0: Device being setup by another task [ 184.305595][T13865] RIP: 0033:0x459a59 [ 184.305606][T13865] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 06:52:51 executing program 1: 06:52:51 executing program 2: ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) 06:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab05) [ 184.305611][T13865] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 184.312788][T13883] block nbd0: shutting down sockets [ 184.315835][T13865] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 184.315841][T13865] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 184.315847][T13865] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 184.315852][T13865] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 184.315857][T13865] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 184.389718][T13865] debugfs: out of free dentries, can not create file 'flags' [ 184.420352][T13885] block nbd3: shutting down sockets 06:52:51 executing program 4 (fault-call:10 fault-nth:32): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:51 executing program 1: 06:52:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab04) 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab06) [ 184.445279][ T8309] block nbd4: Receive control failed (result -22) [ 184.450350][T13885] block nbd3: shutting down sockets [ 184.452087][ T8358] block nbd4: Receive control failed (result -22) [ 184.475467][T13864] block nbd4: shutting down sockets 06:52:51 executing program 1: 06:52:51 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) [ 184.555645][T13896] block nbd3: shutting down sockets [ 184.570741][T13902] FAULT_INJECTION: forcing a failure. [ 184.570741][T13902] name failslab, interval 1, probability 0, space 0, times 0 [ 184.588897][T13905] block nbd0: shutting down sockets [ 184.606955][T13899] block nbd3: Device being setup by another task [ 184.613575][T13902] CPU: 1 PID: 13902 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 184.621661][T13902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.631711][T13902] Call Trace: [ 184.631731][T13902] dump_stack+0x1d8/0x2f8 [ 184.631746][T13902] should_fail+0x555/0x770 [ 184.631766][T13902] __should_failslab+0x11a/0x160 [ 184.639368][T13902] ? security_inode_alloc+0x36/0x1e0 [ 184.639382][T13902] should_failslab+0x9/0x20 [ 184.639395][T13902] kmem_cache_alloc+0x56/0x2e0 [ 184.639409][T13902] security_inode_alloc+0x36/0x1e0 [ 184.639422][T13902] inode_init_always+0x3b5/0x920 [ 184.639435][T13902] new_inode_pseudo+0x7f/0x240 [ 184.639447][T13902] new_inode+0x28/0x1c0 [ 184.639457][T13902] ? start_creating+0x17b/0x270 [ 184.639468][T13902] __debugfs_create_file+0xbc/0x470 [ 184.639483][T13902] debugfs_create_file+0x4a/0x60 [ 184.639494][T13902] nbd_start_device+0x5ce/0xbe0 [ 184.639514][T13902] nbd_ioctl+0x3b6/0xac0 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:51 executing program 1: 06:52:51 executing program 1: 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 184.639526][T13902] ? rcu_lock_release+0x9/0x30 [ 184.639535][T13902] ? nbd_release+0x120/0x120 [ 184.639545][T13902] blkdev_ioctl+0x807/0x2980 [ 184.639557][T13902] ? tomoyo_path_number_perm+0x53e/0x640 [ 184.639588][T13902] block_ioctl+0xbd/0x100 [ 184.639598][T13902] ? blkdev_iopoll+0x100/0x100 [ 184.639612][T13902] do_vfs_ioctl+0x744/0x1730 [ 184.639620][T13902] ? __fget+0x4b1/0x510 [ 184.639637][T13902] ? tomoyo_file_ioctl+0x23/0x30 [ 184.639647][T13902] ? security_file_ioctl+0xa1/0xd0 [ 184.639669][T13902] __x64_sys_ioctl+0xe3/0x120 [ 184.639685][T13902] do_syscall_64+0xf7/0x1c0 [ 184.639699][T13902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.639709][T13902] RIP: 0033:0x459a59 [ 184.639720][T13902] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 184.639726][T13902] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 06:52:51 executing program 1: [ 184.639735][T13902] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 184.639741][T13902] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 184.639746][T13902] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 184.639756][T13902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 184.736308][T13902] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 184.750359][T13906] block nbd3: shutting down sockets [ 184.853443][T13905] block nbd0: Device being setup by another task [ 184.856450][T13902] debugfs: out of free dentries, can not create file 'flags' [ 184.862734][T13905] block nbd0: shutting down sockets [ 184.896481][ T8358] block nbd4: Receive control failed (result -22) 06:52:51 executing program 4 (fault-call:10 fault-nth:33): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab05) 06:52:51 executing program 1: 06:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab07) [ 184.906265][ T8309] block nbd4: Receive control failed (result -22) [ 184.919159][T13901] block nbd4: shutting down sockets 06:52:51 executing program 1: [ 184.980804][T13923] block nbd3: shutting down sockets [ 184.989873][T13921] block nbd0: shutting down sockets [ 185.017305][T13923] block nbd3: shutting down sockets 06:52:51 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) 06:52:51 executing program 1: perf_event_open(&(0x7f00000002c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x2) r0 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r0, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r2, 0x407, 0x0) write(r2, &(0x7f0000000340), 0x41395527) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) rmdir(&(0x7f0000000140)='./bus\x00') sched_setattr(0x0, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$inet_udp(0x2, 0x2, 0x0) mkdir(&(0x7f0000000240)='./file0\x00', 0x10) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x40, &(0x7f0000000ac0)={0x77359400}) socket$inet6_tcp(0xa, 0x1, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'ghash-generic\x00'}, 0x58) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'ghash-generic\x00'}, 0x58) accept4(r3, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000200)="ad56b6cc0400aeb995298992ea5400c2", 0x10) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000680), 0x4924924924925c6, 0x0) 06:52:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab08) 06:52:51 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 185.037653][ T8309] block nbd4: Receive control failed (result -22) [ 185.037657][ T8358] block nbd4: Receive control failed (result -22) [ 185.051142][T13929] FAULT_INJECTION: forcing a failure. [ 185.051142][T13929] name failslab, interval 1, probability 0, space 0, times 0 [ 185.070645][T13921] block nbd0: shutting down sockets [ 185.090220][T13929] CPU: 1 PID: 13929 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0 [ 185.098635][T13929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.108717][T13929] Call Trace: [ 185.112029][T13929] dump_stack+0x1d8/0x2f8 [ 185.116370][T13929] should_fail+0x555/0x770 [ 185.120807][T13929] __should_failslab+0x11a/0x160 [ 185.125752][T13929] should_failslab+0x9/0x20 [ 185.129695][T13939] block nbd3: NBD_DISCONNECT [ 185.130258][T13929] kmem_cache_alloc_trace+0x5d/0x2f0 06:52:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab06) [ 185.130270][T13929] ? kobject_uevent_env+0x2cd/0x1260 [ 185.130280][T13929] ? dev_uevent_filter+0xb0/0xb0 [ 185.130291][T13929] kobject_uevent_env+0x2cd/0x1260 [ 185.135058][T13939] block nbd3: Send disconnect failed -107 [ 185.140165][T13929] kobject_uevent+0x1f/0x30 [ 185.140178][T13929] nbd_size_update+0x3d5/0x460 [ 185.140193][T13929] nbd_start_device+0x9e0/0xbe0 [ 185.140210][T13929] nbd_ioctl+0x3b6/0xac0 [ 185.140228][T13929] ? rcu_lock_release+0x9/0x30 [ 185.148252][T13939] block nbd3: Send disconnect failed -107 [ 185.152575][T13929] ? nbd_release+0x120/0x120 [ 185.152588][T13929] blkdev_ioctl+0x807/0x2980 [ 185.152602][T13929] ? tomoyo_path_number_perm+0x53e/0x640 [ 185.152631][T13929] block_ioctl+0xbd/0x100 [ 185.152640][T13929] ? blkdev_iopoll+0x100/0x100 [ 185.152651][T13929] do_vfs_ioctl+0x744/0x1730 [ 185.152664][T13929] ? __fget+0x4b1/0x510 [ 185.160330][T13938] block nbd3: Disconnected due to user request. [ 185.163473][T13929] ? tomoyo_file_ioctl+0x23/0x30 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 185.163484][T13929] ? security_file_ioctl+0xa1/0xd0 [ 185.163498][T13929] __x64_sys_ioctl+0xe3/0x120 [ 185.163511][T13929] do_syscall_64+0xf7/0x1c0 [ 185.163523][T13929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.163533][T13929] RIP: 0033:0x459a59 [ 185.163542][T13929] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 185.163547][T13929] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 185.163561][T13929] RAX: ffffffffffffffda RBX: 00007f945ace5c90 RCX: 0000000000459a59 [ 185.168810][T13938] block nbd3: shutting down sockets [ 185.172886][T13929] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 185.172892][T13929] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 185.172897][T13929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 185.172903][T13929] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 0000000000000009 [ 185.206891][T13941] block nbd0: shutting down sockets [ 185.230569][T13939] block nbd3: NBD_DISCONNECT [ 185.291393][T13939] block nbd3: Send disconnect failed -107 [ 185.311064][T13941] block nbd0: shutting down sockets [ 185.313118][T13926] block nbd4: shutting down sockets [ 185.351612][T13939] block nbd3: Send disconnect failed -107 06:52:52 executing program 4 (fault-call:10 fault-nth:34): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:52 executing program 1: r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x40000000015, 0x5, 0x0) setsockopt$sock_int(r2, 0x1, 0x3c, 0x0, 0x0) sendto$inet(r2, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2, 0x0, @loopback}, 0x10) recvmsg(r2, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/2, 0x37}, 0x0) accept4$vsock_stream(r2, &(0x7f0000000080)={0x28, 0x0, 0x2710, @my=0x0}, 0x10, 0xc0000) sendmsg$TIPC_NL_PEER_REMOVE(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300), 0xc, &(0x7f0000000380)={&(0x7f0000000640)={0xf8, 0x0, 0x400, 0x70bd2a, 0x10, {}, [@TIPC_NLA_BEARER={0xa8, 0x1, [@TIPC_NLA_BEARER_PROP={0x14, 0x2, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1e}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1a}]}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x1ff}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x4e24, 0x7ff, @local, 0xffffffff}}, {0x14, 0x2, @in={0x2, 0x4e20, @multicast2}}}}, @TIPC_NLA_BEARER_NAME={0x10, 0x1, @udp}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x4e21, 0x0, @mcast2, 0x2}}, {0x14, 0x2, @in={0x2, 0x4e20, @rand_addr=0xfffffff8}}}}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x4}]}, @TIPC_NLA_NODE={0x8, 0x6, [@TIPC_NLA_NODE_UP={0x4}]}, @TIPC_NLA_NODE={0x34, 0x6, [@TIPC_NLA_NODE_ADDR={0x8}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x8001}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x7fffffff}, @TIPC_NLA_NODE_ADDR={0x8}, @TIPC_NLA_NODE_UP={0x4}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x24004050}, 0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) close(0xffffffffffffffff) r3 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r3, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0x100000000000000}}], 0x4000000000000d0, 0x0) r4 = socket(0x40000000015, 0x5, 0x0) setsockopt$sock_int(r4, 0x1, 0x3c, &(0x7f00006dbffc)=0x1, 0x4) bind$inet(r4, &(0x7f00008a5ff0)={0x2, 0x0, @loopback}, 0x10) sendto$inet(r4, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2, 0x0, @loopback}, 0x10) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000500)=0x8) r6 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000500)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r5, 0x84, 0x22, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, r7}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000280)={r7, 0x10000}, &(0x7f00000002c0)=0x8) recvmsg(r4, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/2, 0x37}, 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r4, 0x10e, 0x5, &(0x7f0000000040)=0x7fffffff, 0x4) 06:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab07) 06:52:52 executing program 2: socket$inet_udplite(0x2, 0x2, 0x88) ioctl(0xffffffffffffffff, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) write$binfmt_elf64(r0, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r0, 0x1) 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 185.401654][T13939] block nbd3: Disconnected due to user request. [ 185.408388][T13939] block nbd3: shutting down sockets 06:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab09) [ 185.459663][T14050] block nbd0: shutting down sockets 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 185.505569][T14050] block nbd0: shutting down sockets 06:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab08) [ 185.550823][T14059] block nbd3: shutting down sockets 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:52 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x0, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 185.603982][T14059] block nbd3: shutting down sockets 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0a) [ 185.656506][ T8358] block nbd4: Receive control failed (result -22) [ 185.664193][ T8358] block nbd4: Receive control failed (result -22) [ 185.670014][T14169] block nbd0: NBD_DISCONNECT [ 185.689676][T14166] block nbd4: shutting down sockets [ 185.701377][T14169] block nbd0: Send disconnect failed -107 [ 185.716451][T14169] block nbd0: Send disconnect failed -107 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x2) 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 185.768611][T14168] block nbd0: Disconnected due to user request. [ 185.782872][T14168] block nbd0: shutting down sockets [ 185.782998][T14253] block nbd3: shutting down sockets [ 185.813094][T14253] block nbd3: shutting down sockets 06:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0b) 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:52 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x0, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 185.863620][T14169] block nbd0: Device being setup by another task [ 185.876397][T14169] block nbd0: shutting down sockets [ 185.886714][T14286] block nbd4: shutting down sockets 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab09) 06:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x10) [ 185.943079][T14290] block nbd3: shutting down sockets [ 185.982444][T14290] block nbd3: shutting down sockets [ 185.992099][T14295] block nbd0: shutting down sockets 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 186.031431][T14301] block nbd4: shutting down sockets 06:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x301) 06:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0c) [ 186.057242][T14295] block nbd0: shutting down sockets 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0a) 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:52 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x0, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 186.145180][T14313] block nbd0: shutting down sockets [ 186.151182][T14307] block nbd4: shutting down sockets [ 186.165510][T14308] block nbd3: shutting down sockets [ 186.177259][T14313] block nbd0: shutting down sockets [ 186.185663][T14308] block nbd3: shutting down sockets 06:52:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x400454ca) 06:52:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0d) 06:52:52 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125d) 06:52:52 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 186.256718][T14321] block nbd0: shutting down sockets 06:52:53 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 186.293500][T14324] block nbd3: shutting down sockets [ 186.306939][T14321] block nbd0: shutting down sockets [ 186.324214][T14324] block nbd3: shutting down sockets [ 186.334330][T14328] block nbd4: shutting down sockets 06:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0e) 06:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40049409) 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125e) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 186.428795][T14338] block nbd3: shutting down sockets [ 186.440822][T14339] block nbd0: shutting down sockets [ 186.467793][T14340] block nbd3: shutting down sockets 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 186.489257][T14339] block nbd0: shutting down sockets [ 186.494031][T14347] block nbd4: shutting down sockets 06:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40081271) 06:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab10) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x125f) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:53 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 186.607996][T14356] block nbd4: shutting down sockets 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1260) [ 186.634379][T14358] block nbd0: shutting down sockets [ 186.637649][T14359] block nbd3: shutting down sockets [ 186.669701][T14360] block nbd0: Device being setup by another task [ 186.685882][T14358] block nbd0: shutting down sockets 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 186.708388][T14367] block nbd4: shutting down sockets [ 186.710876][T14359] block nbd3: shutting down sockets 06:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab11) 06:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40101283) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1261) 06:52:53 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 186.813492][T14376] block nbd3: shutting down sockets [ 186.832442][T14378] block nbd0: shutting down sockets [ 186.854465][T14376] block nbd3: shutting down sockets [ 186.862468][T14380] block nbd4: shutting down sockets [ 186.894035][T14379] block nbd0: Device being setup by another task 06:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab12) [ 186.908564][T14378] block nbd0: shutting down sockets 06:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070c9) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1262) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 186.987007][T14391] block nbd4: shutting down sockets [ 186.993468][T14393] block nbd3: shutting down sockets 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1263) 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:53 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 187.031824][T14395] block nbd0: shutting down sockets [ 187.040513][T14393] block nbd3: shutting down sockets [ 187.070473][T14395] block nbd0: shutting down sockets 06:52:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x400454ca) 06:52:53 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070ca) [ 187.118513][T14403] block nbd4: shutting down sockets 06:52:53 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1264) [ 187.172767][T14409] block nbd3: shutting down sockets 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 187.208323][T14411] block nbd3: Device being setup by another task [ 187.217886][T14414] block nbd0: shutting down sockets [ 187.239376][T14411] block nbd3: shutting down sockets [ 187.243715][T14420] block nbd4: shutting down sockets 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 187.271835][T14414] block nbd0: shutting down sockets 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40049409) 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1265) 06:52:54 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070cd) 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 187.383886][T14430] block nbd0: shutting down sockets 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 187.409539][T14435] block nbd3: shutting down sockets [ 187.419349][T14433] block nbd0: Device being setup by another task [ 187.428266][T14435] block nbd3: shutting down sockets [ 187.438301][T14428] block nbd4: shutting down sockets [ 187.438982][T14433] block nbd0: shutting down sockets 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40081271) 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1267) 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870c8) 06:52:54 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 187.549718][T14442] block nbd3: shutting down sockets [ 187.568424][T14447] block nbd4: shutting down sockets [ 187.582675][T14450] block nbd0: shutting down sockets 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1268) [ 187.605836][T14450] block nbd0: shutting down sockets [ 187.619831][T14442] block nbd3: shutting down sockets 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40101283) 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cb) [ 187.722334][T14460] block nbd4: shutting down sockets [ 187.746555][T14463] block nbd3: shutting down sockets 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1269) 06:52:54 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 187.774140][T14467] block nbd0: shutting down sockets 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 187.808744][T14463] block nbd3: shutting down sockets 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070c9) 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 187.862468][T14473] block nbd4: shutting down sockets [ 187.873552][T14469] block nbd0: Device being setup by another task [ 187.895507][T14467] block nbd0: shutting down sockets [ 187.921951][T14481] block nbd3: shutting down sockets 06:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cc) [ 187.947504][T14481] block nbd3: shutting down sockets 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1274) 06:52:54 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070ca) 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 188.036768][T14488] block nbd0: shutting down sockets [ 188.038365][T14493] block nbd4: shutting down sockets [ 188.070763][T14488] block nbd0: shutting down sockets [ 188.073971][T14495] block nbd3: shutting down sockets 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4020940d) 06:52:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1275) 06:52:54 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 188.144868][T14495] block nbd3: shutting down sockets [ 188.181787][T14506] block nbd0: shutting down sockets 06:52:54 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070cd) 06:52:54 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 188.217921][T14508] block nbd4: shutting down sockets [ 188.235220][T14506] block nbd0: shutting down sockets 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1276) [ 188.269671][T14512] block nbd3: shutting down sockets 06:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041284) 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 188.310489][T14512] block nbd3: shutting down sockets [ 188.325453][T14520] block nbd4: shutting down sockets 06:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870c8) [ 188.378405][T14522] block nbd0: shutting down sockets 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1277) 06:52:55 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 188.439487][T14528] block nbd3: shutting down sockets [ 188.472589][T14522] block nbd0: shutting down sockets [ 188.482520][T14528] block nbd3: shutting down sockets 06:52:55 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cb) [ 188.513502][T14535] block nbd4: shutting down sockets 06:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041285) 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1278) [ 188.595636][T14543] block nbd0: shutting down sockets [ 188.616944][T14543] block nbd0: shutting down sockets [ 188.629055][T14546] block nbd3: shutting down sockets 06:52:55 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x800454d2) 06:52:55 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 188.667740][T14551] block nbd4: shutting down sockets [ 188.681644][T14546] block nbd3: shutting down sockets 06:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cc) 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x1279) 06:52:55 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 188.772284][T14558] block nbd0: shutting down sockets 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 188.797209][T14562] block nbd3: shutting down sockets [ 188.816906][T14564] block nbd4: shutting down sockets [ 188.817755][T14558] block nbd0: shutting down sockets 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127a) 06:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081270) 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 188.876266][T14562] block nbd3: shutting down sockets 06:52:55 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4020940d) [ 188.949668][T14574] block nbd4: shutting down sockets 06:52:55 executing program 1: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 188.976337][T14575] block nbd0: shutting down sockets [ 188.996780][T14582] block nbd3: shutting down sockets [ 189.017129][T14575] block nbd0: shutting down sockets 06:52:55 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127b) 06:52:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081272) [ 189.042958][T14582] block nbd3: shutting down sockets 06:52:55 executing program 1: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:55 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b00") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041284) [ 189.116886][T14592] block nbd4: shutting down sockets 06:52:55 executing program 5: socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:55 executing program 1: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 189.168294][T14595] block nbd0: shutting down sockets 06:52:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127c) [ 189.199483][T14595] block nbd0: shutting down sockets [ 189.244231][T14601] block nbd3: shutting down sockets 06:52:56 executing program 1: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80086301) 06:52:56 executing program 5: socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 189.271975][T14606] block nbd4: shutting down sockets [ 189.286268][T14601] block nbd3: shutting down sockets 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127d) 06:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041285) [ 189.367614][T14616] block nbd0: shutting down sockets 06:52:56 executing program 1: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:56 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b00") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:56 executing program 5: socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 189.397322][T14616] block nbd0: shutting down sockets [ 189.407857][T14619] block nbd4: shutting down sockets [ 189.427484][T14620] block nbd3: shutting down sockets 06:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127e) 06:52:56 executing program 1: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:56 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 189.468286][T14622] block nbd3: Device being setup by another task [ 189.501591][T14620] block nbd3: shutting down sockets [ 189.538121][T14631] block nbd0: shutting down sockets [ 189.541839][T14632] block nbd4: shutting down sockets [ 189.567626][T14635] block nbd0: Device being setup by another task 06:52:56 executing program 1: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x800454d2) [ 189.587720][T14631] block nbd0: shutting down sockets 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x127f) 06:52:56 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b00") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 189.650347][T14645] block nbd3: shutting down sockets 06:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 189.686497][T14645] block nbd3: shutting down sockets 06:52:56 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 189.723849][T14650] block nbd4: shutting down sockets [ 189.737411][T14654] block nbd0: shutting down sockets 06:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081270) 06:52:56 executing program 1: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 189.767509][T14655] block nbd0: Device being setup by another task [ 189.795931][T14655] block nbd0: shutting down sockets 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4c01) [ 189.815977][T14659] block nbd3: shutting down sockets 06:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0101282) 06:52:56 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:56 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) [ 189.869484][T14659] block nbd3: shutting down sockets [ 189.887669][T14668] block nbd4: shutting down sockets 06:52:56 executing program 1: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081272) 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5421) [ 189.963555][T14672] block nbd0: shutting down sockets [ 189.974849][T14680] block nbd3: shutting down sockets 06:52:56 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 190.016911][T14680] block nbd3: shutting down sockets [ 190.029744][T14673] block nbd0: Device being setup by another task [ 190.041665][T14687] block nbd4: shutting down sockets [ 190.055504][T14673] block nbd0: shutting down sockets 06:52:56 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80086301) 06:52:56 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5450) 06:52:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0189436) 06:52:56 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 190.187532][T14696] block nbd4: shutting down sockets [ 190.205723][T14700] block nbd3: shutting down sockets [ 190.208040][T14704] block nbd0: shutting down sockets 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5451) 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:57 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 190.269287][T14703] block nbd3: Device being setup by another task [ 190.289099][T14706] block nbd0: Device being setup by another task [ 190.312226][T14700] block nbd3: shutting down sockets 06:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 190.321710][T14704] block nbd0: shutting down sockets [ 190.338579][T14712] block nbd4: shutting down sockets 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc020660b) 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5452) 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 190.421850][T14723] block nbd3: shutting down sockets [ 190.439465][T14723] block nbd3: shutting down sockets 06:52:57 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 190.484023][T14729] block nbd0: shutting down sockets [ 190.497466][T14730] block nbd4: shutting down sockets 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, 0x0, 0x0) [ 190.526558][T14729] block nbd0: shutting down sockets 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x5460) 06:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0481273) [ 190.586784][T14738] block nbd3: shutting down sockets 06:52:57 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, 0x0, 0x0) [ 190.620123][T14738] block nbd3: shutting down sockets [ 190.640186][T14742] block nbd4: shutting down sockets [ 190.649651][T14745] block nbd0: shutting down sockets 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x6364) 06:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0101282) [ 190.694890][T14749] block nbd0: Device being setup by another task [ 190.731580][T14745] block nbd0: shutting down sockets [ 190.759490][T14756] block nbd4: shutting down sockets [ 190.762703][T14758] block nbd3: shutting down sockets [ 190.789521][T14761] block nbd3: Device being setup by another task [ 190.804535][T14761] block nbd3: shutting down sockets 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, 0x0, 0x0) 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8912) 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:57 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(0xffffffffffffffff, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:57 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1, 0x1, 0x0) getsockname(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @local}}}, &(0x7f0000000040)=0x80) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x4001fe) syz_open_dev$midi(&(0x7f0000000240)='/dev/midi#\x00', 0x7ff, 0x688882) r3 = syz_open_dev$ndb(&(0x7f0000000280)='/dev/nbd#\x00', 0x0, 0x90080) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20ncci\x00', 0x8000, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r11, 0x0, r11) r12 = fcntl$dupfd(r11, 0x406, r0) ioctl$NBD_SET_SOCK(r8, 0xab00, r12) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) r13 = socket$inet6_tcp(0xa, 0x1, 0x0) r14 = fcntl$dupfd(r13, 0x0, r13) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) ioctl$EVIOCGEFFECTS(r14, 0x80044584, &(0x7f00000000c0)=""/229) 06:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0189436) 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) [ 190.905251][T14767] block nbd4: shutting down sockets [ 190.963025][T14773] block nbd3: shutting down sockets 06:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$KVM_SET_FPU(r2, 0x41a0ae8d, &(0x7f00000000c0)={[], 0x5, 0x3d, 0x18, 0x0, 0x2, 0x1, 0x10000, [], 0x4002}) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8914) 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 190.989367][T14773] block nbd3: shutting down sockets 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) 06:52:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc020660b) [ 191.039647][T14784] block nbd4: shutting down sockets [ 191.049349][ T8358] block nbd0: Receive control failed (result -22) [ 191.056933][ T8358] block nbd0: Receive control failed (result -22) [ 191.064726][T14780] block nbd0: shutting down sockets 06:52:57 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 191.112073][ T8358] block nbd0: Receive control failed (result -22) [ 191.118896][ T8358] block nbd0: Receive control failed (result -22) [ 191.126416][T14780] block nbd0: shutting down sockets 06:52:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8916) 06:52:57 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r2, r3) connect$pppoe(r1, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.168610][T14792] block nbd3: shutting down sockets 06:52:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$VIDIOC_SUBDEV_G_CROP(r4, 0xc038563b, &(0x7f00000000c0)={0x0, 0x0, {0x7, 0x3, 0x3, 0x6}}) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x20000, 0x0) write$P9_RLOCK(r6, &(0x7f0000000040)={0x8, 0x35, 0x2, 0x2}, 0x8) 06:52:57 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0481273) 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 191.233899][T14792] block nbd3: shutting down sockets [ 191.246551][T14797] block nbd4: shutting down sockets 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x8933) [ 191.310461][ T8309] block nbd0: Receive control failed (result -22) [ 191.310487][ T8358] block nbd0: Receive control failed (result -22) [ 191.338455][T14803] block nbd0: shutting down sockets [ 191.361527][T14808] block nbd3: shutting down sockets 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.396486][T14808] block nbd3: shutting down sockets [ 191.415056][T14815] block nbd4: shutting down sockets 06:52:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x100) syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x8, 0x20000) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab00) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.523141][T14823] block nbd0: shutting down sockets 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) [ 191.560053][T14823] block nbd0: shutting down sockets [ 191.568385][T14829] block nbd4: shutting down sockets [ 191.574331][ T8358] block nbd3: Receive control failed (result -22) [ 191.586077][T14828] block nbd3: shutting down sockets 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff), 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xb7511d6de0f38857) r1 = socket(0x1, 0x1, 0x0) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x400800, 0x0) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x7cf1276323da8854, 0x0) getsockopt$bt_rfcomm_RFCOMM_LM(r3, 0x12, 0x3, &(0x7f0000000140), &(0x7f0000000180)=0x4) write$apparmor_current(r2, &(0x7f00000000c0)=ANY=[@ANYBLOB="7065726d686174203078303030303030303030303030303030315e6e6f646576282e3a002f6465762f6e62642300776c616e31766d6e657430707070307365637572697479736563757269747944707070317573657200656d30002447504c47504c2d002f6465ee2f6e62642300"], 0x6e) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$audion(&(0x7f0000000240)='/dev/audio#\x00', 0x81, 0x0) ioctl$KVM_SET_DEVICE_ATTR(r4, 0x4018aee1, &(0x7f00000002c0)={0x0, 0x2, 0xffffffffe5383f3b, &(0x7f0000000280)=0x400}) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x1, 0x4, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(0xffffffffffffffff, 0x40485404, &(0x7f00000001c0)={{0xffffffffffffffff, 0x1, 0x730, 0x2, 0x6d7}, 0x2c, 0x5d8d9f440000}) ioctl$NBD_DO_IT(r5, 0xab03) [ 191.627390][T14831] block nbd3: Could not allocate knbd recv work queue. 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab01) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.671072][T14831] block nbd3: shutting down sockets 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x0, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) msgsnd(0x0, 0x0, 0x0, 0x0) msgrcv(0x0, 0x0, 0x0, 0x0, 0x0) msgctl$IPC_STAT(0x0, 0x2, &(0x7f0000000140)=""/191) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x10000, 0x400) connect$rxrpc(r4, &(0x7f0000000040)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e22, @empty}}, 0x49) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 191.737050][T14844] block nbd4: shutting down sockets 06:52:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x80000, 0xfe) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) keyctl$read(0xb, 0x0, &(0x7f00000000c0)=""/251, 0xfb) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) sendmmsg(r4, &(0x7f0000006580)=[{{&(0x7f0000000000)=@tipc=@id={0x1e, 0x3, 0x2, {0x4e24, 0x3}}, 0x80, &(0x7f00000004c0)=[{&(0x7f00000001c0)="5418b3891a5dcf49724ab4fd065d7666a0f63c54", 0x14}, {&(0x7f0000000200)="0fd00cc0c4e859ddc118b8ff0eb148b1ee11cee4bdbedfd806f5364e863d37afbc63fbeb1162c4b25438ded8c81b06b3ffcf7a3f05caac0144662a47cf98394b508301aef813f94fa13daadabba129e552ba4f35fb8aa58cb0e6344c98960cf723d4c1b5751a48c0d45d3acb2073b9ecf7b21ecda40416d054e5d9a1191319e820201fa7688d583422199450735b6bc29d6b27c87b75c62db7a26d9d51d7531cb9cf9ac5730e6d", 0xa7}, {&(0x7f00000002c0)="778a7800d712258269eacbb72f98d3ceac9f0e3f4982000fff422071b54ed309b9400773ef14a4134c890e79a5694e72f52797183363def508", 0x39}, {&(0x7f0000000300)="045511e1fc0c8bf6db4d4127bbc9fb62f68ca7d284ff1b7a7539cbf2e5f1207479437e39fd145f6aa1b622224d9227fbf31e04ca357c67a2e83ee895", 0x3c}, {&(0x7f0000000340)="caa524f50c974f222ed9e59e3fc5ebc90fc32b16e739661fe578484e0feb1ca3ba08b80a16d1c5153369162b42667a5e84f72e02c42ed461013a6c7d59e4d3281c81dbeb11c489a64a3d4b07ece182e9adb3d58c4e768a1e12242fe7bf0108e1aa05e25916a3793585ac7951d8a3a8904b097279ceee6798ab34629c3445c9c159c496c43b489f771453e3e500690ea10134edf9c7e35b544f3852d8008f355afb71c76744aa2eecd400b080218caf341104c1023021a259a15e22997c72d467f756682de7aea8f4b6", 0xc9}, {&(0x7f0000000440)="a3bab47e450bac3c7b293df74b7b3b5855a81005757a437fb9d8daa26285fb78e1f3454cb1ece222ddb0fc3f30470432229f1721921842a8e53ed2efc9b405ce83904530bde1fef68acb3a978a5b11a3ba85d10b3ba8d87f2f9ac3817cb4c1bb99c4e92301306e580053251e0cda79e738022a62b862b946", 0x78}], 0x6, &(0x7f0000000540)=[{0x108, 0x115, 0xfffffff9, "87d0215f4ac6def9f9af02d7f2e4ae5f070d6b273fa525c623ff61ff07d28dab4948845e72126ed0fcfd52879bbb8a9baaaf24a9a909c290861cec6a405467e5757cf988e036830b76b7a7b6de28e9c2084b339303ce0e3c2f05f6ce333970ccc6ac40e6c44106bc20d09fc9f43d8c4627da968094fdc463fc8dc044ed4a2d250d0a9a85ff8047d285b712682dc2eb3a7de5b306a23dcf5da0bec23f73c8340d4e122b58e619ece4850a782413b602ffc0ecdc1db86f2f45ec187fabad91c7fc66b59e0dd5eb232d93fad74e95813412f2e0f397573073d89d395e83813301c74fab032fb63df7b680b4a08be45d9d45afa85614"}, {0x1010, 0x0, 0x2, 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{0x1010, 0x10e, 0xffffffff, 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"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0x1438}}], 0x4, 0x44010) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff), 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab02) 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x0, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.881014][T14861] block nbd4: shutting down sockets [ 191.891038][ T8358] block nbd3: Receive control failed (result -22) [ 191.914150][ T8358] block nbd3: Receive control failed (result -22) 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab04) [ 191.932465][T14855] block nbd3: shutting down sockets 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff), 0x0, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) lsetxattr$trusted_overlay_nlink(&(0x7f0000001680)='./file0\x00', &(0x7f00000016c0)='trusted.overlay.nlink\x00', &(0x7f0000001700)={'L+', 0x80}, 0x28, 0x1) r1 = socket(0x5, 0x80000, 0xfe) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) sendmsg(r1, &(0x7f0000001640)={&(0x7f0000000000)=@in6={0xa, 0x4e21, 0x6, @mcast1, 0xa4}, 0x80, &(0x7f0000001440)=[{&(0x7f00000000c0)="d7347e07c2d47128d83040483545d794d25327c745ac9c182c8616a5a1d2a6c0b90982ece41832", 0x27}, {&(0x7f0000000100)="7398a54d6fa26de78caf15adb2bdbfdefb01698f7599afa107274360f057b5b30bcf7913f484f7ffdfb05d23489a4c9db822917ee9f9ba7a93f869127e2c168cd029566c4f7fa602898d005146c194de8b2f516cbfb30e692fff6ffb9dcb2493d45c6530635cdf6469ba280822c4b8c31b4c653e92d7f86f05819d5c06", 0x7d}, {&(0x7f0000000180)="be5c4d9101bf791eb2dd2dca5a7bf4ddd44f9f1e321d9bd4711bcc08788d288435", 0x21}, {&(0x7f00000001c0)="66f72570bfa7cbeee3acf2cb6697c0c265936409d0dbc1372132fe182bc6ca4bbb3fcfa9101a3f21b029b5bc6725167c2efe5bdd1f39", 0x36}, {&(0x7f0000000200)="b7b5bca8e0e85394e0818601df80b7d32fd6dcc312d82cf3d6641e6d6020", 0x1e}, {&(0x7f0000000240)="45a333ce73640037cbd4abb0076bca8f9f05f192d94c7d438d202e2d1b4efe0258fa9db7b7f13764ddc585189dc36a713b08d9bbec9c676da5578f0081642ffb96c0b8729b9f14a4b4a657571969eebeac4e52ef1aab0bc6b2fbfa142e94695482f7e56d9b2565d23c02b54b58591b59c62580dc14da73", 0x77}, {&(0x7f00000002c0)="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", 0x1000}, {&(0x7f00000012c0)="0262bde65806df6385063f1cf189492c730f8f13832bc82eff056762a53543633eb435030abea90f23df07bad3d7bd68b355ff7dee21b2eb82693818d2863aaab600ef8db120f29f5934ae3d276d3673bf841c567a8d87c62082a0b397167a20c18e5ae15d27cc62451d636ed307790db0399d5b8756b3503e93b76b07dd56628bd3bb36882cf2bb91153ecd2c47b4defb09a7aba8304deec0404f2dcab3419a8a9d3bcaa9fae405a2a780aaa08b292f695e32d6c8537fe0", 0xb8}, {&(0x7f0000001380)="3170793f3d06a980acd09a4540db6613e92ecd36d1cf54a4a52362fc5a8b8b4d50216b1d3530a9b3dd95d1ed5907d939723c86d99d9fa57f4de88cce3076dfb7c437fb6784205bc144cbf4d32478f6fc4ff503cea0b1afe8c729cb01eee63710da71feed4dfe0f66f4888c3a980b7ffed5be4028d5afbbc67543dbdd65d7541d8344f184368993db997e84e55498441240e92d", 0x93}], 0x9, &(0x7f0000001500)=[{0x68, 0x10c, 0x9, "47a829e2bd76f9dd0786313b36baf924350fc848713deca1137ed35c2ff95f1d5676297f900dd7a2248815923b04d92a6f219b12f4119c3239e6d33b257244d4a93257ead0eea07c44ec0d1c12a0986af4d1df89072b"}, {0x50, 0x6, 0x4, "bf254fe977aea608fc5c00c0d1d7d3fd6ec12b90f2759dc4bee1eda40db95d296c6ff8bcc27b28d284eda1f562af02e10e12859f975a98a6766632d72b65"}, {0x80, 0x10d, 0x2, "f94987d338f61d7e2dda9d331b8b5da42f37453c9709bf167f7eed6366d5fe7694dcd04b0c4f14160971a82e249b23f4542bd4b68dfcca561d478a8b375e0694a3085146cea639eebbc268967c4db7cb6ff97a2e36e47bd62f407ae5be04a2a70a3c2b7af22d946147"}], 0x138}, 0x4000) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x0, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 191.986520][ T8358] block nbd0: Receive control failed (result -22) [ 192.001591][T14860] block nbd0: shutting down sockets [ 192.007082][T14875] block nbd4: shutting down sockets 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab05) 06:52:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCX25SCUDMATCHLEN(r3, 0x89e7, &(0x7f0000000100)={0x24}) r4 = socket(0x1, 0x800, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r4, 0x84, 0xc, &(0x7f0000000000), &(0x7f0000000040)=0x4) 06:52:58 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x0, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:58 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, 0x0, 0x0) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 192.135261][T14889] block nbd4: shutting down sockets 06:52:58 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab06) [ 192.199601][ T8358] block nbd3: Receive control failed (result -22) [ 192.211942][ T8358] block nbd0: Receive control failed (result -22) [ 192.220106][T14892] block nbd0: shutting down sockets [ 192.233176][T14879] block nbd3: shutting down sockets 06:52:59 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, 0x0, 0x0) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:59 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x0, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:59 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0xc4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x3, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) fsetxattr(r1, &(0x7f0000000000)=@random={'trusted.', 'K]\x00'}, &(0x7f0000000040)='/\x00', 0x2, 0x1) [ 192.260350][T14893] block nbd0: Could not allocate knbd recv work queue. [ 192.287420][T14902] block nbd4: shutting down sockets [ 192.301423][T14893] block nbd0: shutting down sockets 06:52:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab07) 06:52:59 executing program 0: openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x40, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x10000, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) write$RDMA_USER_CM_CMD_CREATE_ID(r6, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r4, &(0x7f0000000140)={0xa, 0x4, 0xfa00, {r7}}, 0xc) ioctl$NBD_DO_IT(r2, 0xab03) [ 192.395431][T14914] block nbd4: shutting down sockets 06:52:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab08) 06:52:59 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x0, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:59 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:59 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, 0x0, 0x0) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 192.462359][T14918] block nbd0: shutting down sockets 06:52:59 executing program 0: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x0, 0x0) getsockopt$ARPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x63, &(0x7f0000000040)={'HL\x00'}, &(0x7f00000000c0)=0x1e) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x8, 0x80002, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 06:52:59 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:59 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 192.529299][T14930] block nbd4: NBD_DISCONNECT [ 192.541481][T14930] block nbd4: Send disconnect failed -107 [ 192.553440][T14930] block nbd4: Send disconnect failed -107 [ 192.565728][T14927] block nbd4: Disconnected due to user request. [ 192.572958][ T8309] block nbd0: Receive control failed (result -22) 06:52:59 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 192.581514][T14931] block nbd0: shutting down sockets [ 192.598985][T14931] block nbd0: shutting down sockets [ 192.602639][T14927] block nbd4: shutting down sockets 06:52:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab09) [ 192.731616][T14945] block nbd4: shutting down sockets 06:52:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x10c000, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x80, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r2, 0x10e, 0x4, &(0x7f0000000040)=0x6, 0x4) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 06:52:59 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:52:59 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:52:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x402000, 0x4) write$P9_RLOPEN(r4, &(0x7f0000000140)={0x18, 0xd, 0x2, {{0x20, 0x0, 0x6}, 0xffff}}, 0x18) ioctl$sock_FIOGETOWN(r4, 0x8903, &(0x7f00000003c0)=0x0) sched_setaffinity(r5, 0x8, &(0x7f0000000400)=0x8000000000000025) syz_open_procfs(r5, &(0x7f0000000000)='limits\x00') ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:52:59 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:52:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab0a) [ 193.229459][T14947] block nbd3: Device being setup by another task [ 193.237299][T14920] block nbd3: shutting down sockets [ 193.283557][T14949] block nbd4: shutting down sockets 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {}, [@typed={0x8, 0x3, @fd=r0}]}, 0x1c}}, 0x0) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x400454ca) 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 193.367750][ T8358] block nbd0: Receive control failed (result -22) [ 193.374914][ T8309] block nbd0: Receive control failed (result -22) [ 193.388066][T14952] block nbd0: shutting down sockets 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 193.429196][T14969] block nbd4: shutting down sockets [ 193.442532][ T8358] block nbd3: Receive control failed (result -22) [ 193.445257][T14957] block nbd0: Device being setup by another task [ 193.449816][ T8358] block nbd3: Receive control failed (result -22) [ 193.470279][T14960] block nbd3: shutting down sockets 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x14, 0x2f, 0x3ff, 0x0, 0x0, {0x8}}, 0x14}}, 0x0) [ 193.491869][T14960] block nbd3: shutting down sockets 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40049409) 06:53:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) listxattr(&(0x7f0000000580)='./file0\x00', &(0x7f00000005c0)=""/154, 0x9a) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$ARPT_SO_SET_REPLACE(r2, 0x0, 0x60, &(0x7f00000000c0)={'filter\x00', 0x7, 0x4, 0x470, 0x248, 0x248, 0x0, 0x388, 0x388, 0x388, 0x4, &(0x7f0000000040), {[{{@uncond, 0xf0, 0x118}, @unspec=@AUDIT={0x28, 'AUDIT\x00'}}, {{@arp={@broadcast, @multicast2, 0xffff00, 0x0, @empty, {[0xff, 0xff, 0x101, 0xff, 0x0, 0x80]}, @empty, {[0x101, 0x0, 0x0, 0x0, 0x28d5eff77f58a3cd, 0xff]}, 0x7, 0x6, 0x6, 0x5, 0x5, 0x3f, 'veth1_to_team\x00', 'gre0\x00', {0xff}, {0xa50b9a587b9b468b}, 0x0, 0x2}, 0xf0, 0x130}, @unspec=@ERROR={0x40, 'ERROR\x00', 0x0, "d7f720d9635e23e04bae40a02101673776ef6cd70c25bd67efee5df0e7d7"}}, {{@arp={@initdev={0xac, 0x1e, 0x0, 0x0}, @multicast1, 0xffffff00, 0xff, @empty, {[0xff, 0x0, 0x1fe, 0xff, 0x9fff393868e90081]}, @mac, {[0x0, 0xff, 0xff, 0x0, 0x0, 0x7f]}, 0x5, 0x5, 0xd9c, 0x20, 0x7d, 0x6912, 'ip6_vti0\x00', 'ip6tnl0\x00', {}, {0x181}, 0x0, 0x2a1}, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @empty, @rand_addr=0x2738, @remote, 0xf, 0xb03962f43feeef31}}}], {{[], 0xc0, 0xe8}, {0x28}}}}, 0x4c0) setsockopt$bt_BT_FLUSHABLE(r4, 0x112, 0x8, &(0x7f0000000000)=0x80cb, 0x4) getpeername$ax25(r4, &(0x7f0000000680)={{}, [@null, @bcast, @default, @rose, @bcast, @default, @rose, @rose]}, &(0x7f0000000700)=0x48) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 193.596644][ T8358] block nbd0: Receive control failed (result -22) [ 193.606443][T14977] block nbd0: shutting down sockets 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x14, 0x2f, 0x3ff, 0x0, 0x0, {0x8}}, 0x14}}, 0x0) [ 193.645549][T14985] block nbd3: shutting down sockets 06:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) prctl$PR_GET_CHILD_SUBREAPER(0x25) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$TIOCGPGRP(r4, 0x540f, &(0x7f0000000000)) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x20c440, 0x0) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$NBD_SET_SOCK(r8, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 193.684296][T14987] block nbd4: shutting down sockets 06:53:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x40000) r1 = socket(0x1, 0x1, 0x0) ioctl$EXT4_IOC_SWAP_BOOT(0xffffffffffffffff, 0x6611) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x14, 0x2f, 0x3ff, 0x0, 0x0, {0x8}}, 0x14}}, 0x0) [ 193.733159][ T8358] block nbd0: Receive control failed (result -22) [ 193.741182][T14996] block nbd0: shutting down sockets 06:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x20000, 0x0) ioctl$BLKROSET(r2, 0x125d, &(0x7f0000000040)=0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40081271) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x0, @fd=r0}]}, 0x1c}}, 0x0) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 193.914018][ T8358] block nbd3: Receive control failed (result -22) [ 193.926209][T15012] block nbd4: shutting down sockets [ 193.927769][T14999] block nbd3: shutting down sockets 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4008af10) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, 0x0, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 193.967188][ T8358] block nbd0: Receive control failed (result -22) [ 193.973991][ T8309] block nbd0: Receive control failed (result -22) [ 193.991223][T15009] block nbd0: shutting down sockets [ 194.038811][T15011] block nbd0: Device being setup by another task [ 194.049459][ T8358] block nbd3: Receive control failed (result -22) [ 194.054229][T15025] block nbd3: shutting down sockets [ 194.072369][T15029] block nbd4: shutting down sockets 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, 0x0, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x0, @fd=r0}]}, 0x1c}}, 0x0) 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff), 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x40101283) [ 194.180738][T15042] block nbd4: shutting down sockets [ 194.196876][ T8358] block nbd0: Receive control failed (result -22) [ 194.197120][T15011] block nbd0: shutting down sockets 06:53:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) prctl$PR_CAPBSET_READ(0x17, 0x11) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendto$inet6(r8, &(0x7f00000000c0)="0acf7ed6450c574ce899b7c13ae21f8ae8cd3cfb0e76c484a0a6208d9e75c1b6e14539dcb9630a46b200cde8bc6d66948643af1aa9990cac2b2741fdd13b0d78ec9bb4c683f9ebe566a9583cef1766c5e0af397c2dd331a2cbddef4d8613994fca846492d03d89d090e77920a2563546825b652afc28295f3e4e890a274628ad3e60f08df46a78dfbcc6afde671d6e62", 0x90, 0x8000, &(0x7f0000000000)={0xa, 0x4e20, 0xc45, @dev={0xfe, 0x80, [], 0xa}, 0x5}, 0x1c) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r10, 0xab0a, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:00 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x0, @fd=r0}]}, 0x1c}}, 0x0) 06:53:00 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, 0x0, 0x0) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070c9) 06:53:00 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff), 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:01 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) [ 194.304825][T15050] block nbd3: server does not support multiple connections per device. [ 194.315085][T15051] block nbd4: shutting down sockets 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070ca) [ 194.361731][T15048] block nbd3: shutting down sockets 06:53:01 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff), 0x0, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:01 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) 06:53:01 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$inet_udp(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6(0xa, 0x802, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$netlink(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0x8}, [@typed={0x8, 0x3, @fd}]}, 0x1c}}, 0x0) [ 194.492102][T15069] block nbd4: shutting down sockets [ 194.506844][ T8358] block nbd0: Receive control failed (result -22) [ 194.514863][ T8358] block nbd0: Receive control failed (result -22) [ 194.522661][T15056] block nbd0: shutting down sockets [ 194.564816][ T8358] block nbd0: Receive control failed (result -22) [ 194.572470][ T8358] block nbd0: Receive control failed (result -22) [ 194.579623][T15056] block nbd0: shutting down sockets 06:53:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x3, 0xa, 0xfe) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x5, 0x1, 0xfd) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x40400200) ioctl$NBD_SET_SOCK(r8, 0xab00, r6) open(&(0x7f0000000000)='./file0\x00', 0x800, 0x4) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) write$UHID_SET_REPORT_REPLY(0xffffffffffffffff, &(0x7f00000001c0)={0xe, 0x1000000a, 0x5, 0x4, 0x46, "a75253df8840a19abe759531e3f8c4a183f57d014775d06c6db0b71a6126c07d3804e2fbced3854030bd080d99b245a86e3da0a6cd5a0fd4017d6f5230d1dc7d9782a730c7f313649de4b87d5d6603113577c86f37bef32a7bcfc0fd0ebc07a4dad09840b34b63205ef5ff2d3728dc1d7fddb78b0bd87c7617d04295bb142e058652da81fa08603603fc832499b5dff31de143a8ccbc52ce063176b3e6b65966216a7e4e6fef809d5e1e28e852431de410ce1ab765d21a3f6e37d8adad47e8b096de3db9ad9d464c34d12a87e7e982737fe56e99b27d964eb0053189d43535cb764ead5315"}, 0xffffffffffffff6b) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r11 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r11, 0x0, r11) r12 = socket$vsock_dgram(0x28, 0x2, 0x0) r13 = socket$inet6_tcp(0xa, 0x1, 0x0) r14 = fcntl$dupfd(r13, 0x0, r13) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) sendmsg(r12, &(0x7f0000000800)={&(0x7f00000000c0)=@pppol2tpin6={0x18, 0x1, {0x0, r14, 0x1, 0x4, 0x3, 0x4, {0xa, 0x4e20, 0x40, @ipv4={[], [], @local}, 0x4}}}, 0x80, &(0x7f0000000040)=[{&(0x7f00000002c0)="b96bc31fbf4620f12dfe2f76da6de0517c11b9c29b97b3495b8d97013c080949cdfddc987c68d63bd76d5a98a04e4e79afa1ead10ff1363b915a171f1bf0f51986228f2e3f333f89bee79d33ba087c39962ed4a72005e615ab34a9047ec1c4667bc4838bc861d3970f8f3c1b51ff70ba159f6211ea4e71590742df2712616549e5cab33acd1756282f3807f748e789b8eefee9463223a17f678b4a", 0x9b}], 0x1, &(0x7f0000000380)=[{0x80, 0x10a, 0x7, "0e69b564742d9e1d62aa74b605f18d5e44e447e1fc51e571c4cddbf229ab06640c7e63c9b220bec05df1267503245c4e2deb6be52496027d77b89f83fe81b7212f332fb613255cd863e9aceb03bd9d0d43ed52da1a989d0aa50d2aefd55602b3f8259ca8ddd4eb69e2b4"}, {0xd0, 0x10c, 0xe5, "fdbf9c3001243cfbbc79388dffb23b59a5b4c01d564a558897a1468a5ec01a8ba4348abe6f5443f528c66b3d89d34d7a1b8b5d1cade25e1a7d71b339ded47b0a410fe8e137002e98bfb01fb989d8ff735e14927f7704f3c4434216a94e316cf0613bdedac81527dd6b14e17bea2979815322b490570ce1475d15ca2ed69f5df046e56741891b2a6589da7aefb33d9d69a56a35e91907c790b9e0a1c22af81d2a9a0bfbcec61ce6a5e00c14a576aa7b4b3d0aba231b17b1465145e4ab7753b4d2"}, {0x78, 0x3a, 0x3, "a9adbcf4b0b767d599ce23f2fa53607094439e7ed92695db93797cc06729c6d41aa406a00fae336732fcd23b7bc8e709fdadf1d616563cd97e968300e78a79be0053db6a7d926d806302b26c5bc92e5758d03a6f163798a404ed443f22555fcac0d4"}, {0x70, 0x90f57ab884254868, 0xff, "d6e85ef5cd8815d5f6213b6c287f0cab70e3afb9415c5cbd21a2a3d298e2e21a3eb6bac6e009bd2c116f17f46ccaff1baf7042ef80fa6a10dcc9acd7065e18fc6ef89b06196e9bda4543bf963f21d01bfc686291a7da29dc143be9a920"}, {0xe0, 0x111, 0x0, "212eb975e1689a28c870dede7bf88de4afab5de0b16a58fee74ef3cc890be19522d46e5ee82e086f807deca2c03a3e8a9ae88d701e8b403ffaedf47bc692495195ca94f855b6dbbd6fda4aa713ab7844f886072f82b2f4870ab8618603f1f520f7340deffce6822cf4876176a4f6d41699cba40b872543d9a6aa6c3800017f0fe5390286b0ed13eb5e8a87864d94720ffc8eb0d947fdc063a3b712aeedac15be5d75bec66b9904ae618273903bcab8f1f88a13ff80c935cd18727a8a39793f1bf9ee22c6e0cd545b1aa73d69f51f86bd"}, {0x40, 0x118, 0x80000000, "5c7a25eff5ce4c1ef0cd2e24833af8cce88035faf8f6f3251db1bd928355db3cde9ce9e912bd4b3c1742dfc299ee98fc"}, {0xf0, 0x110, 0x7f, "3e72bf104a6c59c9c38a7373078fd56ce063381d460a5e0349b32c7a402f8c1e3aaf548b00b08124f2dc71a89b83151ab9e9a132183038b4867fe39cc0e56fbc5f310442c53d468340c74d24162792009bb02f0b024f2fffdb1b5025a14338c711a0feb42b76a2bdbac3b70daa46b7a682546660e9b86955a8b45df480044e837fa1280660742a4ea2750a714070c4957d47beb3be9cdf7cf15a48fa4234810eab0f7349a69206926f8e0d14e70b42f4cd6c4ee408cbe7bf7efca18e22a9fbabb4eae2ad802db72ac26c8ea8dcc2dbcd2c1a7921a810328d83cb648e"}, {0x20, 0x0, 0x7, "f11931604e9cbd680367"}], 0x468}, 0x40) fstat(r11, &(0x7f0000000140)) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401070cd) 06:53:01 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, 0x0, 0x0) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:01 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 194.661224][T15082] block nbd4: shutting down sockets 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$radio(&(0x7f0000000000)='/dev/radio#\x00', 0x1, 0x2) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r4, 0xc0045540, &(0x7f0000000040)=0x6d81) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:01 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870c8) 06:53:01 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, 0x0, 0x0) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x4000e, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0xc86e, 0x1) write$FUSE_NOTIFY_DELETE(r4, &(0x7f0000000040)={0x33, 0x6, 0x0, {0x1, 0x2, 0xa, 0x0, '/dev/nbd#\x00'}}, 0x33) [ 194.806956][ T8358] block nbd0: Receive control failed (result -22) [ 194.815716][T15091] block nbd0: shutting down sockets [ 194.841923][T15099] block nbd4: shutting down sockets 06:53:01 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cb) 06:53:01 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, 0x0, 0x0) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 194.929963][ T8358] block nbd0: Receive control failed (result -22) [ 194.948723][T15112] block nbd0: shutting down sockets [ 194.957380][ T8358] block nbd3: Receive control failed (result -22) [ 194.964141][ T8309] block nbd3: Receive control failed (result -22) [ 194.973043][T15119] block nbd4: shutting down sockets [ 194.974599][T15098] block nbd3: shutting down sockets 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(0xffffffffffffffff, r3) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x401870cc) [ 195.039032][T15103] block nbd3: Could not allocate knbd recv work queue. [ 195.055865][T15103] block nbd3: shutting down sockets [ 195.076922][ T8309] block nbd0: Receive control failed (result -22) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x4020940d) 06:53:01 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 195.091800][T15114] block nbd0: shutting down sockets [ 195.098036][T15126] block nbd4: shutting down sockets 06:53:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x20000) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x600) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_SOCK(r5, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) ioctl$TIOCLINUX3(r6, 0x541c, &(0x7f0000000040)) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xa, 0x1, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x4080) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='\x00\x00\xe2\xff\xff\xff\xff\xff\xff\xff\x00', 0x719880, 0x0) 06:53:01 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 195.188027][T15137] block nbd4: shutting down sockets 06:53:01 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041284) [ 195.234493][T15142] QAT: Invalid ioctl 06:53:02 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) socket$pppoe(0x18, 0x1, 0x0) [ 195.320188][T15154] block nbd4: shutting down sockets 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, 0xffffffffffffffff) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) [ 195.346512][ T8309] block nbd0: Receive control failed (result -107) [ 195.369705][ T8309] block nbd3: Receive control failed (result -22) [ 195.379713][T15141] block nbd3: shutting down sockets 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80041285) 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/d\x00\b\x00\x04\x00', 0x0, 0x406200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 195.398955][ T8309] block nbd0: Receive control failed (result -107) [ 195.430935][T15145] block nbd0: shutting down sockets [ 195.476541][T15148] block nbd0: Could not allocate knbd recv work queue. [ 195.493478][T15168] block nbd4: shutting down sockets [ 195.506835][T15148] block nbd0: shutting down sockets 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) 06:53:02 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(0xffffffffffffffff, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x800454d2) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x4e22, 0x0, @dev={0xfe, 0x80, [], 0x29}, 0x1}, {0xa, 0x4e23, 0x1, @mcast2, 0x800}, 0x3f, [0x5, 0x400, 0x7f, 0x1, 0x100, 0x20, 0x3ff, 0xfff]}, 0x5c) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f0000000100)={r4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) syz_open_dev$dspn(&(0x7f0000000140)='/dev/dsp#\x00', 0x6, 0x0) r7 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000180)='/proc/capi/capi20ncci\x00', 0x2000, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1fffffffe) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) [ 195.637242][T15182] block nbd4: shutting down sockets [ 195.645692][T15189] block nbd3: server does not support multiple connections per device. [ 195.665179][T15185] block nbd3: shutting down sockets 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081270) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 195.703206][T15185] block nbd3: shutting down sockets 06:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$UI_SET_ABSBIT(r5, 0x40045567, 0x6) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, 0x0, 0x0) [ 195.778916][T15194] block nbd4: shutting down sockets 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, 0x0, 0x0) 06:53:02 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x0) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80081272) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 195.897767][T15206] block nbd4: shutting down sockets 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0x80086301) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 195.926170][ T8309] block nbd3: Receive control failed (result -22) [ 195.939936][ T8309] block nbd3: Receive control failed (result -22) 06:53:02 executing program 1: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$pppoe(0x18, 0x1, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) dup2(r3, r4) connect$pppoe(r2, 0x0, 0x0) [ 195.967198][T15200] block nbd3: shutting down sockets [ 196.012243][T15214] block nbd4: shutting down sockets 06:53:02 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x0) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:02 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) 06:53:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x3, 0x80000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x800000, 0x0) write(r3, &(0x7f00000000c0)="135fae415cf39e6c6cfeb674f988fc6bdef75cb62b5fb8a7c2693db7e7472bd685ab86ad53fee03ae31caa6c76dff1fa079ccf3236f707144dd97502625df13818e5f0ff526b20eadd382d0015bcb008316d", 0x52) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) syz_open_dev$sg(&(0x7f00000006c0)='/dev/sg#\x00', 0x5, 0x4000) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r5, 0x4018620d, &(0x7f0000000180)={0x73622a85, 0x0, 0x1}) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = fcntl$dupfd(r7, 0x406, 0xffffffffffffffff) r9 = openat$cgroup_ro(r8, &(0x7f00000001c0)='cpuacct.usage_user\x00', 0x0, 0x0) r10 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r10, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x7) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f00000000c0)=@abs, 0x6e, &(0x7f0000000440)=[{&(0x7f0000000140)}, {&(0x7f0000000200)}, {&(0x7f00000004c0)="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", 0x1e4}, {&(0x7f0000000880)="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", 0x12b}, {0x0}], 0x5, &(0x7f00000007c0)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, r11, 0xffffffffffffffff}}}], 0x40, 0x4008001}, 0x20000000) syz_mount_image$erofs(&(0x7f0000000040)='erofs\x00', &(0x7f0000000200)='./file0\x00', 0x800, 0x1, &(0x7f0000000340)=[{&(0x7f0000000240)="f52b29abea0894e4da4326846409d30e27265de940d454c2cdee75f786179a2d76e176060f29c0e1dc7f8cc57672f162f27ebe5e3127a882d6b79857520a2f756b4f0d885d0c18440fe56519a69c363bc786f76c3da7259bc0c65b9747a82bcbb49fae68c24edd4e942e13e6dbd54b77ef5ab5a6b06528dad5c8f735791abd73f2c9e7bda1cbce68d72ce7461b02a10ce837c142808914cd043ffffc1a308852c72e86bbfd4dd0bba209482a90a81cc8803202be316611370b8bdc6967ba9a95c25c78d700ff497a2db1f2597d9f65febd94183a914d5902221df84c085329483331454088fbc8108570c066baa951b7b5543995", 0xf4, 0x4}], 0x400, &(0x7f0000000380)=ANY=[@ANYBLOB='acl,acl,nouser_xattr,noacl,user_xattr,fault_injection=0x0000000000000005,user_xattr,fowner=', @ANYRESDEC=r11, @ANYBLOB=',func=MoDULE_CHECK,smackfshat=*ethp,\x00']) ioctl$VIDIOC_G_CROP(r9, 0xc014563b, &(0x7f0000000140)={0xc, {0xffffffff, 0x4, 0x40, 0x6}}) r12 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r12) syz_open_dev$swradio(&(0x7f0000000700)='/dev/swradio#\x00', 0x0, 0x2) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:02 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:02 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 196.197001][T15232] block nbd4: shutting down sockets 06:53:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VHOST_SET_FEATURES(r5, 0x4008af00, &(0x7f0000000000)=0x4000000) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:03 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) 06:53:03 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0045878) 06:53:03 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x0) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:03 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:03 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 196.366198][ T8309] block nbd3: Receive control failed (result -22) [ 196.373613][ T8309] block nbd3: Receive control failed (result -22) [ 196.376743][T15248] block nbd4: shutting down sockets [ 196.400982][T15241] block nbd3: shutting down sockets 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0101282) 06:53:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x4, 0x40) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x5000) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) getsockopt$inet6_IPV6_XFRM_POLICY(r5, 0x29, 0x23, &(0x7f00000000c0)={{{@in6=@empty, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@loopback}}, &(0x7f0000000040)=0xe8) rt_sigreturn() socket$inet(0x2, 0x4000000000000001, 0x0) r7 = syz_open_dev$loop(&(0x7f0000000380)='/dev/loop#\x00', 0x68, 0x859826134245f57f) fstat(r7, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(0x0, r8) r9 = socket$inet(0x2, 0x4000000000000001, 0x0) fstat(r9, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(0x0, r10) getgroups(0x5, &(0x7f00000001c0)=[0xee00, r8, 0xee01, r10, 0x0]) stat(&(0x7f0000000200)='./file0\x00', &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0}) write$P9_RSTATu(r4, &(0x7f00000002c0)={0x84, 0x7d, 0x2, {{0x0, 0x5f, 0x8, 0x5e9b71d2, {0x8, 0x4, 0x6}, 0x81080000, 0x80, 0x3, 0x10001, 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xe, '$ppp0!security'}, 0x10, 'ppp1wlan0proc[]{', r6, r11, r12}}, 0x84) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r13 = syz_open_dev$audion(&(0x7f00000003c0)='/dev/audio#\x00', 0x4, 0x40) ioctl$CAPI_GET_ERRCODE(r13, 0x80024321, &(0x7f0000000400)) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:03 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:03 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 196.522776][T15259] block nbd4: shutting down sockets 06:53:03 executing program 1: setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) 06:53:03 executing program 1: setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0189436) 06:53:03 executing program 5: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 196.663826][T15272] block nbd3: shutting down sockets 06:53:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$int_in(r6, 0x5421, &(0x7f0000000040)=0x8) ioctl$sock_inet_tcp_SIOCATMARK(r4, 0x8905, &(0x7f0000000000)) r7 = socket(0x2, 0x6, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r7) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:03 executing program 1: setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) 06:53:03 executing program 5: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 196.722060][T15277] block nbd4: shutting down sockets 06:53:03 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc020660b) 06:53:03 executing program 5: socket$pppoe(0x18, 0x1, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:03 executing program 1: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 196.811129][ T8309] block nbd3: Receive control failed (result -22) [ 196.818832][ T8309] block nbd3: Receive control failed (result -107) [ 196.836273][T15282] block nbd3: shutting down sockets 06:53:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:03 executing program 5: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 196.895029][T15295] block nbd4: shutting down sockets 06:53:03 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 196.950266][T15300] block nbd3: shutting down sockets 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xc0481273) 06:53:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x100) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f00000000c0)={0x0, 0x5, 0x3, 0x7f, 0x40, 0x8, 0x80, 0x20, 0x5, 0x4, 0x7}, 0xb) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$PPPIOCGFLAGS1(r2, 0x8004745a, &(0x7f0000000000)) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup3(r7, r8, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) r10 = socket(0x10, 0x3, 0x0) r11 = socket$inet6(0xa, 0x3, 0x6) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x8, 0x810, r11, 0x0) ioctl$IMGETDEVINFO(r10, 0x80044944, &(0x7f0000000540)={0x9}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r11, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0xff, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r11, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10000, 0x0, 0x102, 0x8000003}, 0x1) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r11, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x0, 0x1, 0x3}, 0x20) connect$inet6(r11, &(0x7f0000000500)={0xa, 0x0, 0x40f7, @mcast2, 0x7ff}, 0x9) r12 = syz_open_procfs(0x0, &(0x7f0000000600)='net/ip6_flowlabel\x00n\xc01\x14\x894X\xed\xc1\xc9\xd8\xdcK\r\x8d\xae\x98&@\xd0\xe6\xbbQ\xd7\xffYn\x1c\x92\xde\x0e\xaa1\x91\x98\xe9\x1f\nMCi|+\xcdw\xf0\x176Z\xf1`\xac\xf3;\xd6d2\xeb\xe5\f\x0e\x8b\xda\xf7\xfc9\xfe\xff4\xef\'\xa19q\x93\"\x7fG3\xc1E\xe6e6\xc6\xc2u\x11% \xe7+0\x97\x84;\\\xda\xc4\x80\xc3\xb18N\xbfY%\x05\xf8\x85\x89\xfc\xd2\xd7') sendfile(r11, r12, &(0x7f0000000240)=0x202, 0x4000000000dc) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') ioctl$KVM_S390_UCAS_UNMAP(r12, 0x4018ae51, &(0x7f00000000c0)={0x8000, 0x7ff, 0x2}) sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1ce, r13, 0xc05, 0x70bd29, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x84) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000940)=ANY=[@ANYBLOB=' \x00\x00\x00\x00\x00\x00', @ANYRES16=r13, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0x8080}, 0x4000a) sendmsg$NBD_CMD_STATUS(r9, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r13, @ANYBLOB="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"], 0x4c}, 0x1, 0x0, 0x0, 0x8480}, 0x44000) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, r13, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x44) ioctl$NBD_DO_IT(r3, 0xab03) 06:53:03 executing program 5: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 197.019802][T15300] block nbd3: shutting down sockets 06:53:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 197.080878][T15364] block nbd4: shutting down sockets 06:53:03 executing program 5: connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:03 executing program 1: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 197.115536][ T8309] block nbd0: Receive control failed (result -22) [ 197.122670][ T8358] block nbd0: Receive control failed (result -22) [ 197.130509][T15347] block nbd0: shutting down sockets 06:53:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0xa, 0x1, 0x6) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$EVIOCSABS0(r6, 0x401845c0, &(0x7f0000000000)={0xffffff58, 0x7, 0x81, 0xb304, 0x9, 0x1}) fcntl$dupfd(r4, 0x0, r4) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) r11 = socket$inet6_tcp(0xa, 0x1, 0x0) r12 = fcntl$dupfd(r11, 0x0, r11) ioctl$PERF_EVENT_IOC_ENABLE(r12, 0x8912, 0x400200) write$FUSE_BMAP(r12, &(0x7f0000000040)={0x18, 0x0, 0x4, {0xffff}}, 0x18) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0xcfb) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = creat(&(0x7f0000000000)='./file0\x00', 0x20) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000ffe000/0x1000)=nil, 0x1000}, 0x7}) 06:53:03 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 197.163722][ T8309] block nbd3: Receive control failed (result -22) [ 197.178241][ T8309] block nbd3: Receive control failed (result -22) [ 197.187306][T15412] block nbd3: shutting down sockets 06:53:04 executing program 5: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 197.237473][ T8309] block nbd3: Receive control failed (result -22) [ 197.245042][ T8309] block nbd3: Receive control failed (result -22) [ 197.252230][T15412] block nbd3: shutting down sockets 06:53:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = getpid() sendmsg$nl_generic(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1800000}, 0xc, &(0x7f0000000040)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES32=r4, @ANYBLOB="8c000900080013007f000001af3a9826e9563a228ff4605ab8f49cf4e30f2246de86364ec66991861a079e4d97142955a6ffbd7d2165524eb27ef69418dc48fd34ab46b011deae37701addedbb42730800d5d2da91bc36cae6f8d8a46d3bf19ff9f4a29ae9e8b9d831757787e30bf56b28a7a88d5595b8ed14007400fe80000000000000000000000000000f0c0000008a9c000000000000"], 0x3}, 0x1, 0x0, 0x0, 0x820}, 0x4000009) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:04 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x7) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f00000000c0)=@abs, 0x6e, &(0x7f0000000440)=[{&(0x7f0000000140)}, {&(0x7f0000000200)}, {&(0x7f0000000280)="c36dcb46caed3308d45aa4b6d3e459ebfdb36cb9f4bfe09c52f3cd037f6bbed59cd87ac32a503203fa7496d1a27900ede87cdbc4938f03e5e5f879c7", 0x3c}, {&(0x7f0000000300)="7522aced366bd7d9bfe073a300275e7f777863469e2e705b22c8d06735336e127f15ceae03ab2df922603567b325381ce0fc97482d747dbea7e957e4ce4e7f45294729787b8839efc375fac55074bb118dd8428bb9dd852bf9b37eb3e172735de3b9be87db2d776cee9432f5bfc8cd64b7045a42e68b81f9ac7a23305101de3f5f67a220d074eed02799aa76fbef94f92f5fb8ed9a2602f4ecd819d72972e970d59208a916d76c24c45ba5d066c29c919e268992557972b2360092", 0xbb}, {0x0}], 0x5, &(0x7f00000007c0)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, r1, 0xffffffffffffffff}}}], 0x40, 0x4008001}, 0x20000000) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in6=@loopback, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@mcast1}}, &(0x7f00000001c0)=0xe8) setreuid(r1, r2) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x1, 0x1, 0x80) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$radio(&(0x7f0000000000)='/dev/radio#\x00', 0x0, 0x2) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r5, 0x80045301, &(0x7f0000000040)) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) r7 = socket(0x1, 0x3, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$VIDIOC_G_PRIORITY(r5, 0x80045643, 0x2) 06:53:04 executing program 5: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 197.332976][ T8309] block nbd0: Receive control failed (result -22) [ 197.340400][ T8309] block nbd0: Receive control failed (result -22) [ 197.343860][T15435] block nbd4: shutting down sockets [ 197.372193][T15476] block nbd0: shutting down sockets 06:53:04 executing program 1: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 197.434699][T15499] block nbd0: Could not allocate knbd recv work queue. [ 197.458868][T15499] block nbd0: shutting down sockets 06:53:04 executing program 5: socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:04 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 197.489474][T15542] block nbd3: shutting down sockets 06:53:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x8100, 0x0) setsockopt$sock_attach_bpf(r3, 0x1, 0x32, &(0x7f00000000c0)=r4, 0x4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='timers\x00') ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x2) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)=0x5) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x549101) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x9, 0x4, 0x41) r6 = open(0x0, 0x0, 0x0) r7 = syz_open_procfs(0x0, 0x0) r8 = syz_genetlink_get_family_id$team(&(0x7f00000001c0)='team\x00') getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team_slave_1\x00', r9}) getsockopt$inet_IP_XFRM_POLICY(r7, 0x0, 0x11, &(0x7f0000001740)={{{@in=@empty, @in6=@remote}}, {{@in=@initdev}, 0x0, @in6=@initdev}}, &(0x7f0000001840)=0xe8) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(0xffffffffffffffff, 0x800448f0, &(0x7f0000000100)={r11, 0x6, 0x3, 0x0, 0x0, 0x1, 0xc8}) accept4$packet(0xffffffffffffffff, &(0x7f000000ce40)={0x11, 0x0, 0x0}, &(0x7f000000ce80)=0x14, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff}) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(r13, 0x800448f0, &(0x7f0000000100)={r14, 0x0, 0x3, 0x0, 0x0, 0x1, 0xc8}) sendmsg$TEAM_CMD_NOOP(r6, &(0x7f000000d240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000800}, 0xc, &(0x7f000000d200)={&(0x7f0000000940)=ANY=[@ANYBLOB="28030000", @ANYRES16=r8, @ANYBLOB, @ANYRES32=r10, @ANYBLOB="880202004c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000080003000500003f06a43f001c000474bc3abdfbc1dac16a30d06100686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b7570000000000000080003000600000004000400"/148, @ANYPTR64, @ANYBLOB="4c000100240001006c625f74785f6d6574686f64000000000000000000000000000000000000000008000300050000001c000400686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000800030003000000080004000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000080003000e000000080004000500000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000700000008000600", @ANYRES32=r12, @ANYBLOB="40000100240001007072696f7269747900000000000000000000000000000000080003000e000000080004007846000008000600", @ANYRES32=r14, @ANYRES64, @ANYRES64, @ANYRES32=0x0, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x14}}, 0x402bac6e3b0e4a45) r15 = geteuid() setsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x4e20, 0x0, 0x4e21, 0x0, 0x2, 0x120, 0x80, 0x2b, r12, r15}, {0x80, 0x996, 0x0, 0x715, 0x7fffffff, 0x6, 0xfffffffffffffffe, 0x5}, {0x9, 0x1, 0x8}, 0xae5, 0x6e6bb4, 0x0, 0x0, 0x0, 0x2}, {{@in=@rand_addr=0x100, 0x4d6, 0x2b}, 0xa, @in6=@remote, 0x34ff, 0x1, 0x2, 0x3, 0x7f, 0x7, 0x101}}, 0xe8) r16 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x1102, 0x0) ioctl$INOTIFY_IOC_SETNEXTWD(r16, 0x40044900, 0x8) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r17 = socket$tipc(0x1e, 0x2, 0x0) setsockopt$TIPC_GROUP_LEAVE(r17, 0x10f, 0x88) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:04 executing program 4: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x1000) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000200)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)={0x50, r2, 0x101, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, [@IPVS_SVC_ATTR_FLAGS={0x9}, @IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, '\nblcr\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8}, @IPVS_SVC_ATTR_NETMASK={0x8}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x50}}, 0x0) sendmsg$IPVS_CMD_SET_INFO(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xed7d8c80405624d1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r2, 0x736, 0x70bd2a, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_DEST={0x24, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x200}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x3ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_TUN_TYPE={0x8}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x639}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4b}]}, 0x48}, 0x1, 0x0, 0x0, 0x28000890}, 0x4000) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:04 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:04 executing program 1: socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 197.650359][T15666] netlink: 'syz-executor.4': attribute type 1 has an invalid length. [ 197.671861][T15666] IPVS: Scheduler module ip_vs_ [ 197.671861][T15666] blcr not found [ 197.691987][T15624] block nbd3: shutting down sockets 06:53:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x40) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0xffffffffffffff26) setsockopt$bt_BT_FLUSHABLE(r5, 0x112, 0x8, &(0x7f00000000c0)=0x800, 0x4) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) msgctl$IPC_INFO(0xffffffffffffffff, 0x3, &(0x7f0000000000)=""/99) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 197.716249][ T8309] block nbd4: Receive control failed (result -22) [ 197.723065][ T8358] block nbd4: Receive control failed (result -22) [ 197.730868][T15665] block nbd4: shutting down sockets 06:53:04 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:04 executing program 1: socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 197.779593][T15666] netlink: 'syz-executor.4': attribute type 1 has an invalid length. [ 197.801936][ T8309] block nbd3: Receive control failed (result -22) [ 197.803762][T15666] IPVS: Scheduler module ip_vs_ [ 197.803762][T15666] blcr not found [ 197.811510][ T8309] block nbd3: Receive control failed (result -22) [ 197.829419][T15675] block nbd3: shutting down sockets 06:53:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) fallocate(0xffffffffffffffff, 0x74, 0x9, 0x400) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) io_setup(0x6, &(0x7f0000000000)=0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) io_pgetevents(r6, 0x1e6, 0x5, &(0x7f00000000c0)=[{}, {}, {}, {}, {}], &(0x7f0000000240)={r7, r8+10000000}, &(0x7f0000000200)={&(0x7f00000001c0)={0x7eb709d2}, 0x8}) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) setsockopt$inet6_group_source_req(r5, 0x29, 0x2e, &(0x7f00000000c0)={0x20, {{0xa, 0x4e24, 0x9, @loopback, 0x2}}, {{0xa, 0x4e22, 0x8001, @ipv4={[], [], @loopback}, 0x3}}}, 0x108) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, 0x0, 0x0) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:04 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:04 executing program 1: socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@rand_addr, @loopback, 0x0, 0x1}, 0x10) [ 197.961133][ T8309] block nbd4: Receive control failed (result -22) [ 197.971406][ T8358] block nbd4: Receive control failed (result -22) [ 197.979193][T15693] block nbd4: shutting down sockets [ 198.005724][ T8309] block nbd3: Receive control failed (result -22) [ 198.012618][ T8358] block nbd3: Receive control failed (result -22) [ 198.022792][T15697] block nbd3: shutting down sockets [ 198.030730][ T8309] block nbd0: Receive control failed (result -22) [ 198.055543][T15691] block nbd0: shutting down sockets 06:53:04 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) syz_open_dev$sndtimer(&(0x7f0000000000)='/dev/snd/timer\x00', 0x0, 0x200000) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x180, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x402000, 0x4) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) r7 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r7, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, &(0x7f00000000c0)={r8, @in={{0xa, 0x0, @empty}}}, &(0x7f0000000040)=0x90) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000100)={0x0, 0x8, 0x8, 0xde2a0000, 0xfff, 0x8, 0x5, 0x1, r8}, 0x20) write$P9_RLOPEN(r5, &(0x7f0000000140)={0x18, 0xd, 0x2, {{0x20, 0x0, 0x6}, 0xffff}}, 0x18) ioctl$sock_FIOGETOWN(r5, 0x8903, &(0x7f00000003c0)=0x0) sched_setaffinity(r9, 0x8, &(0x7f0000000400)=0x8000000000000025) r10 = getpgid(r9) ioctl$TIOCSPGRP(r4, 0x5410, &(0x7f00000000c0)=r10) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.107904][ T8309] block nbd0: Receive control failed (result -22) [ 198.115885][T15691] block nbd0: shutting down sockets 06:53:04 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, 0x0, 0x0) 06:53:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0xe, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x80000, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r3, 0x80045500, &(0x7f0000000040)) r4 = socket(0x1, 0x1, 0x0) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xb8, r5, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x10000}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x0, 0x0}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'team0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x58, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x4}, @IPVS_DEST_ATTR_TUN_PORT={0x8, 0xe, 0x4e20}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffffff}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e20}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@rand_addr="848f875c8ae7a2db933e3b4b72f56879"}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe7dfa2cf}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x4}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6657}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80000000}]}, 0xb8}, 0x1, 0x0, 0x0, 0x2000000}, 0x4000) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$SG_GET_TIMEOUT(r2, 0x2202, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:04 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, 0x0, 0x0) 06:53:04 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 198.226977][ T8309] block nbd3: Receive control failed (result -22) [ 198.233786][ T8358] block nbd3: Receive control failed (result -22) [ 198.242132][T15716] block nbd3: shutting down sockets 06:53:05 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, 0x0, 0x0) 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0x0, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 1: mkdir(0x0, 0x0) rename(0x0, 0x0) r0 = creat(&(0x7f0000000040)='./file1\x00', 0x0) fallocate(r0, 0x0, 0x2000000, 0x4) fallocate(r0, 0x8, 0x0, 0x8000) syz_open_procfs(0x0, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) [ 198.286314][T15717] block nbd3: Device being setup by another task [ 198.359955][ T8309] block nbd0: Receive control failed (result -22) [ 198.367843][ T8358] block nbd4: Receive control failed (result -22) [ 198.380919][ T8309] block nbd0: Receive control failed (result -22) [ 198.382774][T15720] block nbd4: shutting down sockets 06:53:05 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 198.416536][ T8309] block nbd3: Receive control failed (result -22) [ 198.425549][T15734] block nbd3: shutting down sockets [ 198.426022][T15725] block nbd0: shutting down sockets 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$DRM_IOCTL_MODESET_CTL(0xffffffffffffffff, 0x40086408, &(0x7f0000000000)={0x2}) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.498312][ T8309] block nbd0: Receive control failed (result -22) [ 198.508145][ T8309] block nbd0: Receive control failed (result -22) 06:53:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = semget$private(0x0, 0x4, 0x200) semctl$SEM_INFO(r4, 0x7804d7eebb37950c, 0x13, &(0x7f00000000c0)=""/236) socket$inet6_tcp(0xa, 0x1, 0x0) semop(r4, &(0x7f0000000040)=[{0x3, 0x3, 0x1000}], 0x1) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r5, 0x0, r5) openat$md(0xffffffffffffff9c, &(0x7f0000000000)='/dev/md0\x00', 0x68ac42, 0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r6, 0x0, r6) r7 = fcntl$dupfd(r6, 0x406, r0) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.550405][T15727] block nbd0: shutting down sockets 06:53:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) syz_open_dev$sndtimer(&(0x7f0000000000)='/dev/snd/timer\x00', 0x0, 0x200000) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x180, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x402000, 0x4) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) r7 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r7, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, &(0x7f00000000c0)={r8, @in={{0xa, 0x0, @empty}}}, &(0x7f0000000040)=0x90) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000100)={0x0, 0x8, 0x8, 0xde2a0000, 0xfff, 0x8, 0x5, 0x1, r8}, 0x20) write$P9_RLOPEN(r5, &(0x7f0000000140)={0x18, 0xd, 0x2, {{0x20, 0x0, 0x6}, 0xffff}}, 0x18) ioctl$sock_FIOGETOWN(r5, 0x8903, &(0x7f00000003c0)=0x0) sched_setaffinity(r9, 0x8, &(0x7f0000000400)=0x8000000000000025) r10 = getpgid(r9) ioctl$TIOCSPGRP(r4, 0x5410, &(0x7f00000000c0)=r10) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x414100) r1 = socket(0x5, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$inet_tcp_TCP_ULP(r3, 0x6, 0x1f, &(0x7f00000000c0)='tls\x00', 0x4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:05 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 198.638762][ T8309] block nbd4: Receive control failed (result -22) [ 198.650032][T15856] block nbd4: shutting down sockets 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 198.687625][ T8309] block nbd3: Receive control failed (result -22) [ 198.695602][ T8309] block nbd3: Receive control failed (result -22) [ 198.705676][T15853] block nbd3: shutting down sockets 06:53:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$sock_ifreq(r3, 0x7, &(0x7f0000000340)={'bond_slave_0\x00', @ifru_names='veth1\x00'}) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x420002, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040)={0xffffffffffffffff}, 0xe977b4a1b5359563, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_QUERY(r7, &(0x7f0000000300)={0x13, 0x10, 0xfa00, {&(0x7f00000000c0), r8, 0x1}}, 0x18) r9 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) [ 198.740651][T15874] block nbd3: Device being setup by another task 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x2000) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.809612][ T8309] block nbd1: Receive control failed (result -22) [ 198.817038][ T8309] block nbd1: Receive control failed (result -22) [ 198.829639][T15863] block nbd1: shutting down sockets [ 198.838036][T15884] block nbd4: shutting down sockets 06:53:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x50000) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.857222][ T8309] block nbd3: Receive control failed (result -22) [ 198.865177][T15874] block nbd3: shutting down sockets 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x80000, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r3, 0x80045500, &(0x7f0000000040)) r4 = socket(0x1, 0x1, 0x0) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xb8, r5, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x10000}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @initdev={0xfe, 0x88, [], 0x0, 0x0}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'team0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x58, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x4}, @IPVS_DEST_ATTR_TUN_PORT={0x8, 0xe, 0x4e20}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffffff}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e20}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@rand_addr="848f875c8ae7a2db933e3b4b72f56879"}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xe7dfa2cf}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x4}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6657}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80000000}]}, 0xb8}, 0x1, 0x0, 0x0, 0x2000000}, 0x4000) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$SG_GET_TIMEOUT(r2, 0x2202, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 198.920260][ T8309] block nbd0: Receive control failed (result -22) [ 198.931810][ T8309] block nbd0: Receive control failed (result -22) [ 198.942140][T15889] block nbd0: shutting down sockets [ 198.956667][T15892] block nbd4: shutting down sockets 06:53:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x0, 0x0) r5 = geteuid() r6 = socket$inet(0x2, 0x4000000000000001, 0x0) fstat(r6, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(0x0, r7) write$FUSE_ENTRY(r4, &(0x7f00000000c0)={0x90, 0x0, 0x4, {0x5, 0x2, 0x1ff, 0x0, 0xf777, 0x0, {0x5, 0x200000000000000, 0x261b3df20000000, 0xfffffffffffffffa, 0x9, 0x400000000000000, 0x2, 0x7, 0x1000, 0x7fffffff, 0x1, r5, r7, 0x0, 0x2}}}, 0x90) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x10000, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, 0x0, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 199.010579][T15890] block nbd0: Could not allocate knbd recv work queue. [ 199.027070][T15890] block nbd0: shutting down sockets [ 199.084904][ T8309] block nbd1: Receive control failed (result -22) [ 199.092460][ T8309] block nbd1: Receive control failed (result -22) [ 199.100548][T15900] block nbd1: shutting down sockets [ 199.156782][ T8309] block nbd3: Receive control failed (result -22) [ 199.163667][ T8358] block nbd3: Receive control failed (result -22) [ 199.174945][T15899] block nbd3: shutting down sockets 06:53:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x80, 0x0) syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x2, 0x820000) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) r10 = socket$inet6_tcp(0xa, 0x1, 0x0) r11 = fcntl$dupfd(r10, 0x0, r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r11, 0xab0a, 0xa57) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r1, 0x0, r1) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000000c0)={{{@in=@broadcast, @in6=@mcast2}}, {{@in6=@ipv4={[], [], @local}}, 0x0, @in6=@local}}, &(0x7f0000000000)=0xe8) r2 = socket(0x1, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) getsockopt$kcm_KCM_RECV_DISABLE(r4, 0x119, 0x1, &(0x7f0000000280), 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x68b402, 0x0) ioctl$RTC_PLL_GET(r6, 0x80207011, &(0x7f00000001c0)) r7 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = request_key(&(0x7f0000000300)='dns_resolver\x00', &(0x7f0000000340)={'syz', 0x1}, &(0x7f0000000380)='[bdev\x00', 0xfffffffffffffffb) r10 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r10) r11 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r11) r12 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r12) r13 = add_key$keyring(&(0x7f00000003c0)='\xdd\xff\x00\x00\xff\x01\x00', &(0x7f0000000400)={'{y{', 0x1}, 0x0, 0x0, r12) keyctl$KEYCTL_MOVE(0x1e, r9, r13, 0xfffffffffffffff9, 0x0) r14 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) r15 = socket$inet6_tcp(0xa, 0x1, 0x0) r16 = fcntl$dupfd(r15, 0x0, r15) ioctl$PERF_EVENT_IOC_ENABLE(r16, 0x8912, 0x400200) ioctl$VIDIOC_DECODER_CMD(r16, 0xc0485660, &(0x7f0000000200)={0x1, 0x1, @start={0x1}}) openat$tun(0xffffffffffffff9c, &(0x7f0000000440), 0x410042, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:05 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:05 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)=0x5) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x549101) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x9, 0x4, 0x41) r6 = open(0x0, 0x0, 0x0) r7 = syz_open_procfs(0x0, 0x0) r8 = syz_genetlink_get_family_id$team(&(0x7f00000001c0)='team\x00') getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team_slave_1\x00', r9}) getsockopt$inet_IP_XFRM_POLICY(r7, 0x0, 0x11, &(0x7f0000001740)={{{@in=@empty, @in6=@remote}}, {{@in=@initdev}, 0x0, @in6=@initdev}}, &(0x7f0000001840)=0xe8) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(0xffffffffffffffff, 0x800448f0, &(0x7f0000000100)={r11, 0x6, 0x3, 0x0, 0x0, 0x1, 0xc8}) accept4$packet(0xffffffffffffffff, &(0x7f000000ce40)={0x11, 0x0, 0x0}, &(0x7f000000ce80)=0x14, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff}) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(r13, 0x800448f0, &(0x7f0000000100)={r14, 0x0, 0x3, 0x0, 0x0, 0x1, 0xc8}) sendmsg$TEAM_CMD_NOOP(r6, &(0x7f000000d240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000800}, 0xc, &(0x7f000000d200)={&(0x7f0000000940)=ANY=[@ANYBLOB="28030000", @ANYRES16=r8, @ANYBLOB, @ANYRES32=r10, @ANYBLOB="880202004c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000080003000500003f06a43f001c000474bc3abdfbc1dac16a30d06100686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b7570000000000000080003000600000004000400"/148, @ANYPTR64, @ANYBLOB="4c000100240001006c625f74785f6d6574686f64000000000000000000000000000000000000000008000300050000001c000400686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000800030003000000080004000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000080003000e000000080004000500000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000700000008000600", @ANYRES32=r12, @ANYBLOB="40000100240001007072696f7269747900000000000000000000000000000000080003000e000000080004007846000008000600", @ANYRES32=r14, @ANYRES64, @ANYRES64, @ANYRES32=0x0, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x14}}, 0x402bac6e3b0e4a45) r15 = geteuid() setsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@empty, @in6=@loopback, 0x4e20, 0x0, 0x4e21, 0x0, 0x2, 0x120, 0x80, 0x2b, r12, r15}, {0x80, 0x996, 0x0, 0x715, 0x7fffffff, 0x6, 0xfffffffffffffffe, 0x5}, {0x9, 0x1, 0x8}, 0xae5, 0x6e6bb4, 0x0, 0x0, 0x0, 0x2}, {{@in=@rand_addr=0x100, 0x4d6, 0x2b}, 0xa, @in6=@remote, 0x34ff, 0x1, 0x2, 0x3, 0x7f, 0x7, 0x101}}, 0xe8) r16 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x1102, 0x0) ioctl$INOTIFY_IOC_SETNEXTWD(r16, 0x40044900, 0x8) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r17 = socket$tipc(0x1e, 0x2, 0x0) setsockopt$TIPC_GROUP_LEAVE(r17, 0x10f, 0x88) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:05 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 199.200186][T15901] block nbd3: Device being setup by another task 06:53:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x621bc1) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x8002) r4 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x10006, 0x80011, r4, 0x0) write(r3, &(0x7f0000000100)="b63db85e1e8d040000000000003ef0011dcc606aed69d2bc7037cebc9bc2feffffffffffffffe22c9b160096aa1fae1acfbd6cbf87798a9b02de7a91a3cbdfa009cf75a7eadb2a00", 0x48) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 199.292790][T15917] block nbd4: shutting down sockets [ 199.301802][T15913] block nbd0: shutting down sockets [ 199.311347][ T8309] block nbd3: Receive control failed (result -22) [ 199.338249][T15911] block nbd3: shutting down sockets 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xe, 0x1, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x61000, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$BLKGETSIZE64(r6, 0x80081272, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r4, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$UI_SET_ABSBIT(r5, 0x40045567, 0x6) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 199.418063][T15927] sg_write: data in/out 298234/24 bytes for SCSI command 0xff-- guessing data in; [ 199.418063][T15927] program syz-executor.4 not setting count and/or reply_len properly 06:53:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x2) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:06 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 199.499294][T15938] block nbd3: server does not support multiple connections per device. [ 199.542634][ T8309] block nbd1: Receive control failed (result -22) [ 199.550025][ T8309] block nbd1: Receive control failed (result -22) [ 199.559798][T15934] block nbd1: shutting down sockets [ 199.575589][ T8309] block nbd4: Receive control failed (result -22) [ 199.583604][T15926] block nbd4: shutting down sockets 06:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r5, 0x84, 0xc, &(0x7f0000000000)=0x5, 0x4) ioctl$NBD_DO_IT(r2, 0xab03) [ 199.594834][T15936] block nbd3: shutting down sockets 06:53:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 199.673872][ T8309] block nbd0: Receive control failed (result -22) [ 199.682261][ T8309] block nbd0: Receive control failed (result -22) [ 199.689658][T15945] block nbd0: shutting down sockets 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x100) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 199.847484][ T8309] block nbd1: Receive control failed (result -22) [ 199.875626][T15950] block nbd1: shutting down sockets 06:53:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) getsockopt$inet_udp_int(r5, 0x11, 0xb, &(0x7f0000000000), &(0x7f0000000040)=0x4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'ip6_vti0\x00'}}, 0x1e) [ 199.949516][ T8358] block nbd4: Receive control failed (result -22) [ 199.949521][ T8309] block nbd4: Receive control failed (result -22) [ 199.982060][ T8309] block nbd0: Receive control failed (result -22) [ 199.982065][ T8358] block nbd0: Receive control failed (result -22) 06:53:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 200.002569][T15957] block nbd4: shutting down sockets 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) 06:53:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0xfc) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.053669][ T8358] block nbd1: Receive control failed (result -22) [ 200.058043][T15968] block nbd0: shutting down sockets [ 200.088557][T15972] block nbd1: shutting down sockets 06:53:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:06 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) 06:53:06 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 200.216444][ T8358] block nbd1: Receive control failed (result -22) [ 200.224966][T15984] block nbd1: shutting down sockets 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.291854][ T8358] block nbd4: Receive control failed (result -22) [ 200.312327][T15983] block nbd4: shutting down sockets 06:53:07 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, 0x0, 0x0) [ 200.370048][ T8358] block nbd1: Receive control failed (result -22) [ 200.378350][T15995] block nbd1: shutting down sockets 06:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x402000, 0x4) write$P9_RLOPEN(r1, &(0x7f0000000140)={0x18, 0xd, 0x2, {{0x20, 0x0, 0x6}, 0xffff}}, 0x18) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000003c0)=0x0) sched_setaffinity(r2, 0x8, &(0x7f0000000400)=0x8000000000000025) r3 = syz_open_procfs(r2, &(0x7f0000000000)='mountstats\x00') r4 = socket$inet6_sctp(0xa, 0x5, 0x84) r5 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r5, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, &(0x7f00000000c0)={r6, @in={{0xa, 0x0, @empty}}}, &(0x7f0000000040)=0x90) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000040)={r6, 0x8, "92c610aa9ea115f8"}, &(0x7f00000000c0)=0x10) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) r10 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r10) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r3, 0x84, 0x77, &(0x7f0000000440)=ANY=[@ANYRES32=r7, @ANYPTR=&(0x7f0000000200)=ANY=[@ANYRES32=r7, @ANYPTR64, @ANYBLOB="e0b6c100a50667346e30ddc34b6e9be93b768cb1b90a48d480ae00cf9bfa9f8f178f792b4febfd10bedc350c388e3782bae97554deb2a81fd1beadc8d242e76a963ecebfb29de49b99aff31f21d90ccf215d57499a08f1cfaaf096699478acfb8b85f91d03eebe04f5405d35ef21e71b100677d20ca9f47100e8051e455ec9d6903ab869e2d53cac31289d2915d4bc9b05a79f266400e8d21ae283567352c2bd31848d996b6654747fd8dbd9366a1d2db0a016fb88e57c99d7263cd28adc8632", @ANYBLOB="6b1d340cea4fd292c4386e067e91091d512a1cb98f0e6cbe04dabd917fc13688b354ca8d5a0ab0e20d58f6e21a884bae9d3c0d7af105432c1c7124e7fb92818a326043fecd9fbc1b974c4d9531904f92bb418e5e7f4f9e36c9f56b14d211bf3befbcc351bccf6097c249e8fb045952a3bad4", @ANYRES64=r9, @ANYPTR=&(0x7f0000000180)=ANY=[@ANYRES32=r10, @ANYRESHEX, @ANYRESDEC=r2], @ANYRESDEC=r5]], &(0x7f0000000140)=0x2) r11 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r11) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f00000001c0)=0x9, 0x4) r12 = syz_open_dev$ndb(0x0, 0x0, 0x0) r13 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r12, 0xab00, r13) ioctl$NBD_SET_FLAGS(r12, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r12, 0xab03) 06:53:07 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:07 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.514119][T16003] block nbd3: shutting down sockets 06:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f0000000000), 0x4) 06:53:07 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) 06:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r4, 0x0, r4) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000040)=0xc) r6 = socket$inet(0x2, 0x4000000000000001, 0x0) fstat(r6, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(0x0, r7) write$FUSE_CREATE_OPEN(r3, &(0x7f00000000c0)={0xa0, 0x0, 0x5, {{0x2, 0x2, 0x5ad4, 0x9, 0x4, 0x3, {0x3, 0x9, 0x23d, 0x3, 0x7, 0x6, 0x80, 0x3, 0x7eb, 0x1, 0x3, r5, r7, 0x4, 0x39c5}}, {0x0, 0xe}}}, 0xa0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) r9 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r8, 0xab03) 06:53:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$TCSETX(r5, 0x5433, &(0x7f0000000000)={0x100, 0x0, [0x400, 0x8000, 0x200, 0x7, 0x2], 0xe66}) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) write$P9_RWSTAT(r7, &(0x7f0000000040)={0x7, 0x7f, 0x2}, 0x7) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:07 executing program 5: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000080)={0x18, 0x0, {0xfbfffffffffffffc, @local, 'ip_vti0\x00'}}, 0x1e) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000000)={0x18, 0x0, {0x3, @local, 'batadv0\x00'}}, 0x1e) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000000)={0x18, 0x0, {0x0, @local, 'ip6_vti0\x00'}}, 0x1e) [ 200.676238][T16015] block nbd4: shutting down sockets 06:53:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getpid() r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) r6 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000140)='/dev/cachefiles\x00', 0x0, 0x0) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r9, 0xc0506617, &(0x7f0000000240)={{0x3, 0x0, @descriptor="c0f015df39ea53cd"}, 0x1000, [], "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"}) r10 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r10, 0x84, 0xa, &(0x7f0000000180)={0x6, 0x0, 0x2d5b721120efc176, 0x802a, 0x93, 0x7101000, 0x4, 0x6, 0x0}, &(0x7f00000001c0)=0x20) setsockopt$inet_sctp_SCTP_MAXSEG(r6, 0x84, 0xd, &(0x7f0000000200)=@assoc_id=r11, 0x4) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={0x0}) ioctl$DRM_IOCTL_RM_CTX(r5, 0xc0086421, &(0x7f0000000040)={r12, 0x3}) r13 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x524000) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r13, 0x118, 0x1, &(0x7f0000000100)=0x7fffffff, 0x4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) recvmsg$kcm(r1, &(0x7f0000001240)={&(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote}}}, 0x80, &(0x7f00000011c0)=[{&(0x7f00000000c0)=""/252, 0xfc}, {&(0x7f00000001c0)=""/4096, 0x1000}], 0x2, &(0x7f0000001200)=""/35, 0x23}, 0x1) ioctl$IMCTRLREQ(r2, 0x80044945, &(0x7f0000001280)={0x2003, 0x1000, 0x6e, 0x7fff}) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$NBD_SET_SOCK(r6, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.767262][ T8358] block nbd3: Receive control failed (result -22) [ 200.775485][ T8358] block nbd3: Receive control failed (result -22) [ 200.783098][T16017] block nbd3: shutting down sockets 06:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x200000, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r4, 0x40082406, &(0x7f0000000040)='/dev/nbd#\x00') 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.834147][ T8358] block nbd5: Receive control failed (result -22) [ 200.843064][T16040] block nbd5: shutting down sockets 06:53:07 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 200.886953][ T8358] block nbd0: Receive control failed (result -22) [ 200.897764][T16031] block nbd0: shutting down sockets [ 200.898829][T16033] block nbd4: shutting down sockets [ 200.915485][ T8309] block nbd3: Receive control failed (result -22) [ 200.915498][ T8358] block nbd3: Receive control failed (result -22) 06:53:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0x20000, 0x0) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$VIDIOC_S_CTRL(r7, 0xc008561c, &(0x7f0000000000)={0x1, 0x8000}) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) sendmsg$nl_route_sched(r9, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4100}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="300100003100000427bd7000fddbdf25000000004c00010010000c00000008000300ff07000000001400160000000c000100676163740000000000001400130000000c000100736b626d6f640000000010000a000000080003000700000000008000010010001c0000000800030006000000000010000c0000000800010062706600000010001d00000008000300122c000000001400030000000c000100736b62656469740000001400020000000c000100736b626d6f6400000000100001000080080003008100000000001400180000000c00010073616d706c6500000000500001001400030000000c0001006d6972726564000000001400090000000c000100736b626d6f640000000010001b000000080003000400000000001400180000000c0001006d697272656400000000d6a3d4e52b2146b90d40c62fb8b324532f48f80d4bc5010713c702695d40d73764d10b9757a450549fa19e7ff9ba0c76"], 0x130}}, 0x4010) [ 200.935296][T16044] block nbd3: shutting down sockets 06:53:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x4, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 200.963363][T16045] block nbd3: Could not allocate knbd recv work queue. [ 200.990320][T16045] block nbd3: shutting down sockets [ 201.051452][ T8309] block nbd5: Receive control failed (result -22) [ 201.060076][T16055] block nbd5: shutting down sockets [ 201.071171][ T8309] block nbd0: Receive control failed (result -22) [ 201.078908][T16060] block nbd0: shutting down sockets 06:53:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) r3 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f00000000c0)={r4, @in={{0xa, 0x0, @empty}}}, &(0x7f0000000040)=0x90) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000080)={r4, 0xfffa, 0x30, 0xffffffff, 0x5e76}, &(0x7f00000000c0)=0x18) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000100)=@assoc_value={r5, 0x9}, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) r7 = socket(0x1, 0x1, 0x0) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) r10 = socket$inet6_tcp(0xa, 0x1, 0x0) r11 = fcntl$dupfd(r10, 0x0, r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x940, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r7) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r6, 0xab03) [ 201.109745][T16060] block nbd0: shutting down sockets 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.137551][ T8309] block nbd4: Receive control failed (result -22) [ 201.142221][ T8358] block nbd4: Receive control failed (result -22) [ 201.165570][T16048] block nbd4: shutting down sockets 06:53:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) accept$nfc_llcp(r1, &(0x7f0000000000), &(0x7f00000000c0)=0x60) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$FS_IOC_SETVERSION(r0, 0x40087602, &(0x7f0000000000)=0x5) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x3, 0x0, 0x62) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 201.229726][ T8358] block nbd5: Receive control failed (result -22) [ 201.241778][T16075] block nbd5: shutting down sockets [ 201.267667][ T8358] block nbd3: Receive control failed (result -22) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.285677][T16069] block nbd3: shutting down sockets 06:53:08 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], []]}, 0x478) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$UI_DEV_CREATE(0xffffffffffffffff, 0x5501) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000180)='/proc/capi/capi20ncci\x00', 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x204040) ioctl$KVM_X86_SET_MCE(0xffffffffffffffff, 0x4040ae9e, &(0x7f0000000100)={0x0, 0x6000, 0x3, 0x8, 0x19}) ioctl$NBD_SET_SOCK(r9, 0xab00, r1) r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0x0, 0x0) ioctl$KVM_SET_TSC_KHZ(r10, 0xaea2, 0x7) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.407887][ T8358] block nbd4: Receive control failed (result -22) [ 201.423766][T16082] block nbd4: shutting down sockets [ 201.455769][ T8358] block nbd0: Receive control failed (result -22) [ 201.455773][ T8309] block nbd0: Receive control failed (result -22) [ 201.466348][T16082] block nbd4: shutting down sockets [ 201.499533][T16081] block nbd0: shutting down sockets [ 201.513616][T16097] block nbd3: shutting down sockets 06:53:08 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 201.543519][T16081] block nbd0: shutting down sockets 06:53:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x5, 0x40) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r4, 0xc0305710, &(0x7f0000000040)={0x1, 0x5, 0x1, 0x5}) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) r7 = dup(r6) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.589233][ T8358] block nbd1: Receive control failed (result -22) [ 201.597205][T16108] block nbd1: shutting down sockets 06:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x101000) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) 06:53:08 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.721450][ T8358] block nbd0: Receive control failed (result -22) [ 201.728853][ T8358] block nbd0: Receive control failed (result -22) [ 201.736265][T16117] block nbd0: shutting down sockets [ 201.752790][ T8358] block nbd1: Receive control failed (result -22) [ 201.760788][T16120] block nbd1: shutting down sockets 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 201.781208][T16122] block nbd0: Device being setup by another task [ 201.792404][T16122] block nbd0: shutting down sockets [ 201.800980][ T8358] block nbd4: Receive control failed (result -22) 06:53:08 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:08 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 201.828211][ T8358] block nbd4: Receive control failed (result -22) [ 201.846555][T16113] block nbd4: shutting down sockets 06:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x6971890dcec974ae) r1 = socket(0x5, 0x800, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$EVIOCREVOKE(r7, 0x40044591, &(0x7f0000000000)=0x7fffffff) 06:53:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/lblcr_expiration\x00', 0x2, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_STATUS(r1, 0xc0385720, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$DRM_IOCTL_RES_CTX(r3, 0xc0106426, &(0x7f0000000b80)={0x0, &(0x7f0000000100)}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000c00)={0x0, 0x3}) ioctl$DRM_IOCTL_SWITCH_CTX(0xffffffffffffffff, 0x40086424, &(0x7f0000000040)={0x0, 0x1}) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket(0x9, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r5, 0xab03) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$IOC_PR_PREEMPT(r10, 0x401870cb, &(0x7f0000000000)={0xc7cd, 0x1, 0xa091, 0x4}) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:08 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xa, 0x0, 0x44) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x38cc0) r3 = socket(0x1, 0x5, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_genetlink_get_family_id$team(&(0x7f0000000040)='team\x00') fcntl$getownex(r3, 0x10, &(0x7f00000000c0)) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$IOC_PR_RELEASE(r2, 0x401070ca, &(0x7f0000000000)={0xffffffffffffff8b, 0x3, 0x1}) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$VIDIOC_G_FREQUENCY(r1, 0xc02c5638, &(0x7f00000000c0)={0x200, 0x4, 0x6}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) getsockopt$IP_VS_SO_GET_INFO(r3, 0x0, 0x481, &(0x7f0000000000), &(0x7f0000000040)=0xc) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) [ 202.017411][ T8358] block nbd4: Receive control failed (result -22) [ 202.017415][ T8309] block nbd4: Receive control failed (result -22) [ 202.038817][T16142] block nbd3: shutting down sockets 06:53:08 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x1) [ 202.102602][T16146] block nbd4: shutting down sockets 06:53:08 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) getpeername$netlink(r2, &(0x7f0000000000), &(0x7f0000000040)=0xc) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$RTC_WKALM_SET(r7, 0x4028700f, &(0x7f0000000000)={0x0, 0x1, {0x39, 0x5, 0x9, 0x8, 0x0, 0x5, 0x1, 0xcd, 0x1}}) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) syz_mount_image$hfs(&(0x7f0000000040)='hfs\x00', &(0x7f00000000c0)='\x00', 0x3, 0x6, &(0x7f00000013c0)=[{&(0x7f0000000100)="e5f1a2a885735b5c6a5c33844de0fab21413f36907bd0b9d43f76ca6a07943b2e2", 0x21, 0x10001}, {&(0x7f0000000140)="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", 0x1000, 0x59db}, {&(0x7f0000001140)="9160c96979741c853b753c3a969038d91928653d309ea0c7cd29ec2aa41a86b54f6c8315f1bc2648657f09c61e7a71ccfb61efe96da5ba33543eb0ead5e0f9474db961847ba743f96ec29ed42bfd3454caffb8111fbe91240fa423b8c169c3c244b9540e76a4d2f551d74d85ef3f5a6be7388c8196cf91a603f78626a4dc5d392d7b4bd37b25cab2084f04050db91159b7526a942d678a77196cd0ea21b5e6bfeedb4c0c5c8840576dccff103c4f888b9a86a42e06009c5601e8c9fa7244bfc7b5ca6961b242725b", 0xc8, 0x4}, {&(0x7f0000001240)="f2e90ba015a56fa0bf6854016a7c2ad5cdf5ed349f148a8037c72da2a5962ebaf1cd89f6158f6c02682bdb32447b60bd5b00f3d4cdceffb7a2eee23341dca84b1e9c6963c6af095eae4618135a60c64fda9e0f907f17cd6d5b3385d5e8e74b736d6d2878a1fa12d5b1c87cc5d00c549ddf4c874ec93c652bae4d0bfbde33d71293c7eaca06abeeb4cf8fa38b8fa6c1bd76ef", 0x92, 0x3}, {&(0x7f0000001300), 0x0, 0xfff}, {&(0x7f0000001340)="11451e92790a647256dca86c446d2cb70f2a87a1bc1ba1ac0cfd594adf263b3f53c1eca0739dc35e88dd322447ac6765a0cadc06f3082b44f45f10032e649b2c7132a34406c8", 0x46, 0x80000001}], 0x80860, &(0x7f0000001480)={[{@quiet='quiet'}, {@session={'session', 0x3d, 0x1}}, {@file_umask={'file_umask', 0x3d, 0x3c32}}, {@creator={'creator', 0x3d, "16273e69"}}, {@dir_umask={'dir_umask', 0x3d, 0x200}}, {@type={'type', 0x3d, "77fdbf60"}}], [{@smackfsfloor={'smackfsfloor', 0x3d, '/dev/nbd#\x00'}}, {@appraise_type='appraise_type=imasig'}, {@obj_type={'obj_type'}}, {@smackfsroot={'smackfsroot', 0x3d, '/dev/nbd#\x00'}}, {@appraise_type='appraise_type=imasig'}, {@permit_directio='permit_directio'}, {@appraise_type='appraise_type=imasig'}, {@obj_user={'obj_user', 0x3d, 'wlan0'}}, {@obj_role={'obj_role', 0x3d, '/dev/nbd#\x00'}}]}) 06:53:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:09 executing program 3: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0xe7000000, 0x0, 0x0, 0x2}}, &(0x7f0000000440)=""/232, 0x1a, 0xe8, 0x1}, 0x20) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x4, 0x5, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$UFFDIO_COPY(r3, 0xc028aa03, &(0x7f0000000140)={&(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, 0x1000, 0x3}) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) r6 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x100000001, 0x1c040) r7 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r7, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r7, &(0x7f00000002c0)={0x14, 0x88, 0xfa00, {r8, 0x30, 0x0, @in={0x2, 0x4e20, @rand_addr=0xc}}}, 0x90) write$RDMA_USER_CM_CMD_LISTEN(r6, &(0x7f0000000100)={0x7, 0x8, 0xfa00, {r8}}, 0x10) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:09 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x541982) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 202.291975][T16178] block nbd0: shutting down sockets [ 202.324548][ T8358] block nbd4: Receive control failed (result -22) [ 202.332662][ T8358] block nbd4: Receive control failed (result -22) [ 202.340915][T16180] block nbd4: shutting down sockets 06:53:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8c000) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 202.377846][T16188] block nbd0: shutting down sockets 06:53:09 executing program 1: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) socket(0x1, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 202.413049][T16188] block nbd0: shutting down sockets 06:53:09 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, 0x0, 0x0) shutdown(r1, 0x1) 06:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000000)={[{0x2, 0xb9a, 0x4, 0x3, 0x2, 0x6, 0x3f, 0x4, 0x6, 0x1f, 0xa8, 0x5, 0x417a}, {0x1, 0x3f, 0x2f, 0x6, 0x4e, 0xff, 0x1, 0x9, 0x4, 0x8, 0x6, 0x8, 0x9}, {0x101, 0xa00, 0x6, 0x1, 0x40, 0xfb, 0x9, 0x1f, 0x81, 0x1f, 0x3, 0x0, 0x100000001}], 0x1}) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000580)='/dev/nCd#\x00', 0x0, 0x2) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) read(r0, &(0x7f0000000140)=""/228, 0xe4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) getsockopt$inet6_dccp_buf(r1, 0x21, 0xc, &(0x7f0000000000)=""/100, &(0x7f0000000540)=0x64) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = semget(0x1, 0x1, 0x100) write$FUSE_IOCTL(0xffffffffffffffff, &(0x7f0000000380)={0x20, 0x0, 0x5, {0x8, 0x0, 0x10000, 0x3f}}, 0x20) getsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f00000003c0), &(0x7f0000000400)=0x4) r7 = openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000340)='/dev/mISDNtimer\x00', 0x10000, 0x0) fcntl$setsig(r7, 0xa, 0x2d) ioctl$KVM_SET_IRQCHIP(r4, 0x8208ae63, &(0x7f0000000440)={0x4, 0x0, @pic={0x3, 0x3, 0x5, 0x7, 0x1, 0x81, 0x4, 0x1, 0x2, 0x7, 0x7f, 0x7, 0x3, 0x7, 0x9, 0x81}}) clock_gettime(0x0, &(0x7f00000002c0)={0x0, 0x0}) semtimedop(r6, &(0x7f0000000280)=[{0x0, 0x9}, {0x3, 0x7}], 0x2, &(0x7f0000000300)={r8, r9+10000000}) r10 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) setsockopt$ax25_SO_BINDTODEVICE(r10, 0x101, 0x19, &(0x7f0000000240)=@bpq0='bpq0\x00', 0x10) r11 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) r12 = socket$inet6_tcp(0xa, 0x1, 0x0) r13 = fcntl$dupfd(r12, 0x0, r12) ioctl$PERF_EVENT_IOC_ENABLE(r13, 0x8912, 0x400200) accept$netrom(r13, 0x0, &(0x7f00000000c0)) ioctl$DMA_BUF_IOCTL_SYNC(r11, 0x40086200, &(0x7f0000000100)=0x4) [ 202.513222][ T8358] block nbd4: Receive control failed (result -22) [ 202.520602][ T8358] block nbd4: Receive control failed (result -22) [ 202.533677][T16198] block nbd4: shutting down sockets [ 202.553935][ T8358] block nbd0: Receive control failed (result -22) 06:53:09 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 202.553939][ T8309] block nbd0: Receive control failed (result -22) [ 202.568294][ T8358] block nbd5: Receive control failed (result -22) [ 202.588062][T16203] block nbd5: shutting down sockets 06:53:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) setxattr$security_capability(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f00000000c0)=@v2={0x2000000, [{0xfffffffd, 0x8}, {0x2, 0x4}]}, 0x14, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 202.609511][T16205] block nbd0: shutting down sockets 06:53:09 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, 0x0, 0x0) shutdown(r1, 0x1) [ 202.642052][ T8358] block nbd1: Receive control failed (result -22) [ 202.655413][T16215] block nbd1: shutting down sockets [ 202.668774][T16209] block nbd0: Device being setup by another task 06:53:09 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 202.712066][ T8358] block nbd4: Receive control failed (result -22) [ 202.719408][ T8358] block nbd4: Receive control failed (result -22) [ 202.730565][T16219] block nbd4: shutting down sockets [ 202.749322][ T8309] block nbd3: Receive control failed (result -22) [ 202.749331][ T8358] block nbd3: Receive control failed (result -22) 06:53:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x2000, 0x0) epoll_pwait(r1, &(0x7f0000000040)=[{}, {}], 0x2, 0x2, &(0x7f00000000c0)={0x4}, 0x8) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$RTC_EPOCH_SET(r6, 0x4008700e, 0x4ca5c059) r7 = syz_open_dev$dri(&(0x7f00000001c0)='/dev/dri/card#\x00', 0x0, 0x0) ioctl(r7, 0xffffffffffffffc4, &(0x7f0000000000)) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) 06:53:09 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 202.774557][ T8309] block nbd5: Receive control failed (result -22) [ 202.784775][T16227] block nbd5: shutting down sockets [ 202.806750][T16220] block nbd3: shutting down sockets 06:53:09 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, 0x0, 0x0) shutdown(r1, 0x1) [ 202.840961][ T8309] block nbd1: Receive control failed (result -22) [ 202.854996][ T8309] block nbd0: Receive control failed (result -22) [ 202.866580][T16224] block nbd0: shutting down sockets [ 202.868510][T16234] block nbd1: shutting down sockets 06:53:09 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 202.918389][T16237] block nbd4: shutting down sockets 06:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x14500) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:09 executing program 4: setsockopt$RDS_RECVERR(0xffffffffffffffff, 0x114, 0x5, &(0x7f0000000000), 0x4) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x3d59d6d4525151b4) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:09 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 202.968386][ T8309] block nbd1: Receive control failed (result -22) [ 202.987731][T16247] block nbd1: shutting down sockets [ 203.005702][ T8309] block nbd3: Receive control failed (result -22) [ 203.009790][T16241] block nbd3: shutting down sockets 06:53:09 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x3, 0x3, 0x1) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r0, 0xab03) r2 = syz_open_dev$vbi(&(0x7f0000000000)='/dev/vbi#\x00', 0x2, 0x2) ioctl$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000140)=ANY=[@ANYBLOB="06000000000000000000000000000000000000000000000084f8fda38b9ddd03a34b5f52eaa20000000000497a7d25d55f3ca38de0da5dbacf17217794704ecb9348b539ccfc851d84fd46012a8ab85ae082032e0e96096ffa7eb487122f168c55908aa8841dbaf53f000000000000"]) 06:53:09 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.040152][ T8309] block nbd0: Receive control failed (result -22) [ 203.048671][T16251] block nbd0: shutting down sockets 06:53:09 executing program 5: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000), 0x8) shutdown(r1, 0x1) [ 203.095695][T16254] block nbd0: Could not allocate knbd recv work queue. [ 203.116442][ T8309] block nbd4: Receive control failed (result -22) [ 203.128635][T16250] block nbd4: shutting down sockets [ 203.161536][T16254] block nbd0: shutting down sockets [ 203.167958][ T8309] block nbd3: Receive control failed (result -22) [ 203.176655][T16262] block nbd3: shutting down sockets 06:53:09 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400201) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x1f) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$EVIOCGKEYCODE(r4, 0x80084504, &(0x7f0000000000)=""/95) r5 = openat$vfio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vfio/vfio\x00', 0x20000, 0x0) signalfd(r5, &(0x7f0000000100)={0x86}, 0x8) r6 = socket(0x4, 0x7, 0x9) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 203.243384][ T8309] block nbd3: Receive control failed (result -22) [ 203.254872][T16262] block nbd3: shutting down sockets 06:53:10 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x6, 0x20000) write$UHID_GET_REPORT_REPLY(r4, &(0x7f0000000040)={0xa, 0x8, 0x3, 0x7}, 0xa) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000), 0x8) shutdown(r1, 0x1) 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.417282][ T8309] block nbd4: Receive control failed (result -22) [ 203.424907][ T8309] block nbd4: Receive control failed (result -22) [ 203.435203][T16315] block nbd4: shutting down sockets 06:53:10 executing program 5: syz_open_dev$ndb(0x0, 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.461254][T16382] block nbd4: Device being setup by another task [ 203.493533][ T8358] block nbd3: Receive control failed (result -22) [ 203.493538][ T8309] block nbd3: Receive control failed (result -22) 06:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$BLKFLSBUF(r5, 0x1261, &(0x7f0000000040)=0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r8) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r9, 0x0, r9) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r7, 0x84, 0x16, &(0x7f0000000380)=ANY=[@ANYRES16, @ANYRESOCT, @ANYRES64=r8, @ANYRESOCT=r9, @ANYRES64=r6, @ANYBLOB="d08533f2ab523a7a07e2536f3883ab817b5684c1bc5fc74b737ea256e4405e1c908124e96b97fe02d5a7b18881d0040b217133f026c2ca83752459dd", @ANYBLOB="45f3af69f30fe89ace8bd3cb4aade8752e7bb7e34a55a19d13a9fc0fe884b7e32fac9811e72e4c4660ca3604cb9eb536a70f32f321d9789b0ec39268be99eff44d13bf4bd80a1f8d18f0740324d612513c6b171faf66b0e2b9c3de84455804bf71db2345d9817f756fc6161c68b05119c60da848f484cf4331d28c6a5d7a1ebc5ae0f4c5213e4f3f1289ead5", @ANYRESHEX=r5, @ANYPTR64], 0x9) ioctl$NBD_DO_IT(r2, 0xab03) [ 203.517407][T16387] block nbd3: shutting down sockets [ 203.554558][T16389] block nbd3: Device being setup by another task [ 203.561807][ T8358] block nbd5: Receive control failed (result -22) [ 203.578739][T16387] block nbd3: shutting down sockets [ 203.579968][T16404] block nbd5: shutting down sockets [ 203.595003][ T8358] block nbd4: Receive control failed (result -22) 06:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r1, 0x29, 0x45, &(0x7f0000000000)={'IDLETIMER\x00'}, &(0x7f0000000040)=0x1e) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) [ 203.600325][T16399] block nbd4: shutting down sockets 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0xc1332c80f70bc4b0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$KVM_GET_XCRS(r5, 0x8188aea6, &(0x7f0000000000)={0x5, 0x3, [{0x3efa, 0x0, 0x4}, {0x2, 0x0, 0x3}, {0x669cdd1e, 0x0, 0x6}, {0x9, 0x0, 0x6}, {0x3, 0x0, 0x7}]}) 06:53:10 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000), 0x8) shutdown(r1, 0x1) [ 203.656602][ T8309] block nbd0: Receive control failed (result -22) [ 203.656610][ T8358] block nbd0: Receive control failed (result -22) 06:53:10 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.700570][T16407] block nbd0: shutting down sockets 06:53:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) fanotify_init(0x4, 0x2) socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) fsetxattr(r4, &(0x7f0000000000)=@random={'osx.', '/dev/nbd#\x00'}, &(0x7f0000000040)='/dev/nbd#\x00', 0xa, 0x2) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) prctl$PR_CAPBSET_READ(0x17, 0x24) ioctl$NBD_DO_IT(r9, 0xab03) [ 203.747059][ T8358] block nbd3: Receive control failed (result -22) [ 203.747063][ T8309] block nbd3: Receive control failed (result -22) [ 203.767185][ T8358] block nbd5: Receive control failed (result -22) [ 203.781860][T16425] block nbd5: shutting down sockets 06:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x101000) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 203.796519][T16417] block nbd3: shutting down sockets 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.828284][T16431] block nbd4: shutting down sockets [ 203.861420][T16419] block nbd3: Device being setup by another task 06:53:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) fstat(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) getsockopt$sock_cred(r8, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0, 0x0}, &(0x7f0000000140)=0xc) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) write$P9_RSTATu(r5, &(0x7f0000000240)={0x7a, 0x7d, 0x2, {{0x0, 0x5b, 0x8, 0x1f, {0x20, 0x0, 0x6}, 0x100000, 0xec5d, 0x100, 0x8, 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00'}, 0xa, '/dev/nbd#\x00', r6, r9, r10}}, 0x7a) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:10 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 203.912037][ T8358] block nbd0: Receive control failed (result -22) [ 203.914866][T16417] block nbd3: shutting down sockets [ 203.928414][ T8358] block nbd0: Receive control failed (result -22) [ 203.936036][T16434] block nbd0: shutting down sockets 06:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'ifb0\x00', 0x0}) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r7, 0x0, r7) ioctl$sock_SIOCGPGRP(r7, 0x8904, &(0x7f0000000240)=0x0) perf_event_open(&(0x7f00000001c0)={0x5, 0x70, 0x81, 0x40, 0x1, 0x1, 0x0, 0xfffffffffffffffd, 0x210, 0x8, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, @perf_config_ext={0x8, 0x6}, 0x800, 0x0, 0x100, 0x9, 0x4, 0x7000000, 0x3}, r8, 0xa, 0xffffffffffffffff, 0x0) sendmsg$can_bcm(r5, &(0x7f0000000180)={&(0x7f0000000040)={0x1d, r6}, 0x10, &(0x7f0000000140)={&(0x7f00000000c0)={0x0, 0x800, 0x2, {0x0, 0x7530}, {0x77359400}, {0x3, 0x0, 0x1}, 0x1, @canfd={{0x2}, 0x27, 0x1, 0x0, 0x0, "a86733b5438e81608ac78d36f8f641529d2148cb12d419defaad5319fc1cbb0dd8ef7e69c96cd9652d7ba3a07af08850ed19d46d98c0743af063410b0d305738"}}, 0x80}, 0x1, 0x0, 0x0, 0xc004000}, 0x10000001) ioctl$NBD_DO_IT(r2, 0xab03) [ 203.978402][T16436] block nbd0: Could not allocate knbd recv work queue. [ 203.989079][ T8358] block nbd5: Receive control failed (result -22) [ 204.004785][T16440] block nbd5: shutting down sockets 06:53:10 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x6, 0x80000) mmap$xdp(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x2, 0x810, r1, 0x80000000) r2 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 204.043712][T16448] block nbd4: shutting down sockets [ 204.049054][T16436] block nbd0: shutting down sockets [ 204.079700][ T8309] block nbd3: Receive control failed (result -22) [ 204.079704][ T8358] block nbd3: Receive control failed (result -22) 06:53:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_mount_image$minix(&(0x7f0000000040)='minix\x00', &(0x7f00000000c0)='./file0\x00', 0xfff, 0x1, &(0x7f0000000140)=[{&(0x7f0000000100)="e2e1370750667f1fa316239e98a6296314f49e14989fea38d5524336f30dfd3067ac4a4b63627d1835c137820b2f23", 0x2f, 0x40000000000}], 0xa8800, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) mmap$usbmon(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x1000000, 0x8010, r3, 0x0) [ 204.136725][T16456] block nbd4: shutting down sockets 06:53:10 executing program 4: setsockopt$RXRPC_SECURITY_KEY(0xffffffffffffffff, 0x110, 0x1, &(0x7f0000000000)='mime_typewlan0ppp0\x00', 0x13) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$EVIOCSABS0(r7, 0x401845c0, &(0x7f0000000040)={0x8, 0x0, 0x1, 0xe5, 0x80000001, 0x80}) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:10 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 204.169181][T16451] block nbd3: shutting down sockets 06:53:10 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socket$inet_tcp(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:11 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 204.305472][ T8309] block nbd3: Receive control failed (result -22) [ 204.305476][ T8358] block nbd3: Receive control failed (result -22) [ 204.321953][ T8309] block nbd0: Receive control failed (result -22) [ 204.334116][T16464] block nbd0: shutting down sockets [ 204.355485][T16465] block nbd0: Could not allocate knbd recv work queue. [ 204.367940][T16465] block nbd0: shutting down sockets [ 204.368793][T16477] block nbd3: shutting down sockets [ 204.380775][ T8358] block nbd4: Receive control failed (result -22) [ 204.380780][ T8309] block nbd4: Receive control failed (result -22) [ 204.411929][T16466] block nbd4: shutting down sockets [ 204.422470][T16477] block nbd3: shutting down sockets 06:53:11 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) 06:53:11 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x605000) r1 = socket(0x1, 0x1, 0x0) r2 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20\x00', 0x5ecc527fe8c02426, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000080}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r3, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x6}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0xafbc6c2e2bea197c}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x22000040}, 0x10da) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:11 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000000)={0x29, 0x18}) 06:53:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) setsockopt$X25_QBITINCL(r5, 0x106, 0x1, &(0x7f0000000000)=0x1, 0x4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 204.818156][ T8358] block nbd0: Receive control failed (result -22) [ 204.826102][T16487] block nbd0: shutting down sockets [ 204.852606][ T8358] block nbd4: Receive control failed (result -22) [ 204.859967][ T8309] block nbd3: Receive control failed (result -22) 06:53:11 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 204.860278][ T8358] block nbd4: Receive control failed (result -22) [ 204.867628][ T8309] block nbd3: Receive control failed (result -22) [ 204.880220][T16491] block nbd3: shutting down sockets [ 204.903027][ T8309] block nbd0: Receive control failed (result -22) [ 204.905997][T16494] block nbd4: shutting down sockets 06:53:11 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'hsr0\x00', 0x1000}) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xb, &(0x7f0000000040), &(0x7f00000000c0)=0xb) r3 = socket(0x1, 0x1, 0x0) r4 = syz_open_dev$sndpcmp(&(0x7f0000000100)='/dev/snd/pcmC#D#p\x00', 0x0, 0x2a3c48c6109915c5) ioctl$RNDADDTOENTCNT(r4, 0x40045201, &(0x7f0000000140)=0xfffffffe) r5 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x2cea, 0x0) ioctl$ASHMEM_SET_SIZE(r5, 0x40087703, 0x100000000) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) fsetxattr$security_smack_entry(0xffffffffffffffff, &(0x7f0000000180)='security.SMACK64IPOUT\x00', &(0x7f00000001c0)='/dev/snd/pcmC#D#p\x00', 0x12, 0x1) ioctl$NBD_DO_IT(r2, 0xab03) [ 204.924866][T16503] block nbd0: shutting down sockets 06:53:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f00000000c0)={0x101, {{0xa, 0x4e20, 0x8, @mcast2, 0x9}}, 0x0, 0xa, [{{0xa, 0x4e20, 0x7, @remote, 0x1}}, {{0xa, 0x4e24, 0x9, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x80000001}}, {{0xa, 0x4e23, 0x444, @remote, 0x2}}, {{0xa, 0x4e21, 0x7, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x1}}, {{0xa, 0x4e22, 0x6, @loopback, 0x8001}}, {{0xa, 0x4e23, 0x2, @local, 0x4}}, {{0xa, 0x4e21, 0xe13, @initdev={0xfe, 0x88, [], 0x1, 0x0}}}, {{0xa, 0x4e22, 0x9e6, @mcast2, 0x1}}, {{0xa, 0x4e20, 0x2, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x4}}, {{0xa, 0x4e22, 0x300000, @ipv4={[], [], @empty}, 0x9}}]}, 0x590) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x80, 0xa6040) ioctl$VIDIOC_G_CROP(r6, 0xc014563b, &(0x7f0000000040)={0x4, {0x1, 0x1, 0x8, 0xf36c}}) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:11 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:11 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 205.194202][T16514] block nbd3: shutting down sockets [ 205.196724][T16516] block nbd0: shutting down sockets 06:53:12 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(0xffffffffffffffff, 0x1) 06:53:12 executing program 4: r0 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x80400, 0x0) r1 = open(0x0, 0x0, 0x0) r2 = syz_open_procfs(0x0, 0x0) r3 = syz_genetlink_get_family_id$team(&(0x7f00000001c0)='team\x00') getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team_slave_1\x00', r4}) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000001740)={{{@in=@empty, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@initdev}, 0x0, @in6=@initdev}}, &(0x7f0000001840)=0xe8) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(0xffffffffffffffff, 0x800448f0, &(0x7f0000000100)={r6, 0x6, 0x3, 0x0, 0x0, 0x1, 0xc8}) accept4$packet(0xffffffffffffffff, &(0x7f000000ce40)={0x11, 0x0, 0x0}, &(0x7f000000ce80)=0x14, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff}) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) ioctl$HCIINQUIRY(r8, 0x800448f0, &(0x7f0000000100)={r9, 0x0, 0x3, 0x0, 0x0, 0x1, 0xc8}) sendmsg$TEAM_CMD_NOOP(r1, &(0x7f000000d240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000800}, 0xc, &(0x7f000000d200)={&(0x7f0000000240)=ANY=[@ANYBLOB="28030000", @ANYRES16=r3, @ANYBLOB, @ANYRES32=r2, @ANYBLOB="880202004c000100240001006c625f74785f6d6574686f640000000000000000000000000000000000000000080003000500003f06a43f001c000474bc3abdfbc1dac16a30d06100686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b7570000000000000080003000600000004000400"/148, @ANYRES32=r5, @ANYBLOB="4c000100240001006c625f74785f6d6574686f64000000000000000000000000000000000000000008000300050000001c000400686173685f746f5f706f72745f6d617070696e67000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=0x0, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000800030003000000080004000000000040000100240001007072696f72697479000000000000000000000000000000000000000000000000080003000e000000080004000500000008000600", @ANYRES32=0x0, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=r6, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000700000008000600", @ANYRES32=r7, @ANYBLOB="40000100240001007072696f72697479000000000000000000000000000000000000000000000000080003000e000000080004007846000008000600", @ANYRES32=r9, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000080003000b0000000800040002000000080007000000000008000100", @ANYBLOB="7c00020038000100240001006e6f746966795f70656572735f696e74657276616c00000000000000000000000800030003000000080004000180000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000080003000300000008000400", @ANYRES32=0x0, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x14}}, 0x402bac6e3b0e4a45) bind$bt_hci(r0, &(0x7f0000000040)={0x1f, r6, 0x1}, 0xc) r10 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r11 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r10, 0xab00, r11) r12 = syz_open_dev$ndb(0x0, 0x0, 0x0) r13 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r12, 0xab00, r13) r14 = socket$inet6_tcp(0xa, 0x1, 0x0) r15 = fcntl$dupfd(r14, 0x0, r14) ioctl$PERF_EVENT_IOC_ENABLE(r15, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r12, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r12, 0xab03) 06:53:12 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:12 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:12 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1, 0x1, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x3, 0xe00400) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket(0x1, 0x1, 0x0) ioctl$KVM_GET_MSRS(r2, 0xc008ae88, &(0x7f00000000c0)={0x6, 0x0, [{}, {}, {}, {}, {}, {}]}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r3, 0xab03) [ 205.643602][T16529] block nbd1: shutting down sockets [ 205.671594][T16528] block nbd0: shutting down sockets 06:53:12 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:12 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$VT_GETMODE(r3, 0x5601, &(0x7f0000000000)) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffa) r7 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r7) keyctl$negate(0xd, r6, 0x80, r7) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) [ 205.693938][ T8309] block nbd4: Receive control failed (result -22) [ 205.693980][ T8358] block nbd4: Receive control failed (result -22) [ 205.709232][T16527] block nbd4: shutting down sockets [ 205.732024][T16528] block nbd0: shutting down sockets 06:53:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x6, 0xfd) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:12 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0xe5) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) bind$netrom(r5, &(0x7f0000000000)={{0x3, @default, 0x5}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x48) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 205.794549][T16545] block nbd1: shutting down sockets [ 205.867913][T16547] block nbd3: shutting down sockets [ 205.908710][ T8358] block nbd0: Receive control failed (result -22) [ 205.917700][T16554] block nbd0: shutting down sockets [ 205.928628][ T8358] block nbd4: Receive control failed (result -22) [ 205.946602][T16552] block nbd4: shutting down sockets 06:53:13 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x0) 06:53:13 executing program 1: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x5, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = accept4(r3, 0x0, &(0x7f0000000000), 0x1400) getsockopt$sock_int(r4, 0x1, 0x3c, &(0x7f0000000040), &(0x7f00000000c0)=0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r7, 0x84, 0x6e, &(0x7f0000000100)=[@in={0x2, 0x4e22, @empty}, @in={0x2, 0x4e21, @loopback}, @in6={0xa, 0x4e23, 0x0, @loopback, 0x2894cd28}], 0x3c) r8 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r8) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r5, 0xab03) 06:53:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$EVIOCREVOKE(r3, 0x40044591, &(0x7f0000000040)=0x7) openat$pidfd(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self\x00', 0x400, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r5) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = shmget(0x3, 0x1000, 0x800, &(0x7f0000fff000/0x1000)=nil) shmctl$IPC_INFO(r6, 0x3, &(0x7f0000000000)=""/54) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 206.514625][T16571] block nbd1: shutting down sockets [ 206.550573][T16565] block nbd0: shutting down sockets 06:53:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f00000000c0)={0x101, {{0xa, 0x4e20, 0x8, @mcast2, 0x9}}, 0x0, 0xa, [{{0xa, 0x4e20, 0x7, @remote, 0x1}}, {{0xa, 0x4e24, 0x9, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x80000001}}, {{0xa, 0x4e23, 0x444, @remote, 0x2}}, {{0xa, 0x4e21, 0x7, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x1}}, {{0xa, 0x4e22, 0x6, @loopback, 0x8001}}, {{0xa, 0x4e23, 0x2, @local, 0x4}}, {{0xa, 0x4e21, 0xe13, @initdev={0xfe, 0x88, [], 0x1, 0x0}}}, {{0xa, 0x4e22, 0x9e6, @mcast2, 0x1}}, {{0xa, 0x4e20, 0x2, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x4}}, {{0xa, 0x4e22, 0x300000, @ipv4={[], [], @empty}, 0x9}}]}, 0x590) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x80, 0xa6040) ioctl$VIDIOC_G_CROP(r6, 0xc014563b, &(0x7f0000000040)={0x4, {0x1, 0x1, 0x8, 0xf36c}}) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r4, 0xab03) 06:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0xfe) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VIDIOC_G_PARM(r5, 0xc0cc5615, &(0x7f00000000c0)={0xa, @capture={0x1000, 0x1, {0xac6, 0xe48}, 0x5}}) 06:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x44903) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/attr/exec\x00', 0x2, 0x0) [ 206.626729][ T8309] block nbd4: Receive control failed (result -22) [ 206.626733][ T8358] block nbd4: Receive control failed (result -22) [ 206.660906][ T8309] block nbd0: Receive control failed (result -22) [ 206.674112][T16583] block nbd0: shutting down sockets [ 206.678346][T16566] block nbd4: shutting down sockets [ 206.707607][T16582] block nbd1: shutting down sockets [ 206.707895][ T8309] block nbd3: Receive control failed (result -22) 06:53:13 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x0) 06:53:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$BLKFLSBUF(r5, 0x1261, &(0x7f0000000040)=0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r8) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r9, 0x0, r9) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r7, 0x84, 0x16, &(0x7f0000000380)=ANY=[@ANYRES16, @ANYRESOCT, @ANYRES64=r8, @ANYRESOCT=r9, @ANYRES64=r6, @ANYBLOB="d08533f2ab523a7a07e2536f3883ab817b5684c1bc5fc74b737ea256e4405e1c908124e96b97fe02d5a7b18881d0040b217133f026c2ca83752459dd", @ANYBLOB="45f3af69f30fe89ace8bd3cb4aade8752e7bb7e34a55a19d13a9fc0fe884b7e32fac9811e72e4c4660ca3604cb9eb536a70f32f321d9789b0ec39268be99eff44d13bf4bd80a1f8d18f0740324d612513c6b171faf66b0e2b9c3de84455804bf71db2345d9817f756fc6161c68b05119c60da848f484cf4331d28c6a5d7a1ebc5ae0f4c5213e4f3f1289ead5", @ANYRESHEX=r5, @ANYPTR64], 0x9) ioctl$NBD_DO_IT(r2, 0xab03) 06:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x8, 0x80000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 206.720285][ T8309] block nbd3: Receive control failed (result -22) [ 206.736505][T16588] block nbd3: shutting down sockets 06:53:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 06:53:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x10, 0x3, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$cgroup_ro(r4, &(0x7f0000000000)='cpuacct.usage_percpu_user\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$sock_rose_SIOCADDRT(r1, 0x890b, &(0x7f00000000c0)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x0}, 0x358, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bpq0='bpq0\x00', 0x3, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @null, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}) r6 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) userfaultfd(0x80000) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 206.778698][T16589] block nbd3: Could not allocate knbd recv work queue. [ 206.802059][T16589] block nbd3: shutting down sockets 06:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x402000, 0x4) write$P9_RLOPEN(r4, &(0x7f0000000140)={0x18, 0xd, 0x2, {{0x20, 0x0, 0x6}, 0xffff}}, 0x18) ioctl$sock_FIOGETOWN(r4, 0x8903, &(0x7f00000003c0)=0x0) sched_setaffinity(r5, 0x8, &(0x7f0000000400)=0x8000000000000025) r6 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x7) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f00000000c0)=@abs, 0x6e, &(0x7f0000000440)=[{&(0x7f0000000140)}, {&(0x7f0000000200)}, {&(0x7f0000000280)="c36dcb46caed3308d45aa4b6d3e459ebfdb36cb9f4bfe09c52f3cd037f6bbed59cd87ac32a503203fa7496d1a27900ede87cdbc4938f03e5e5f879c7", 0x3c}, {&(0x7f0000000300)="7522aced366bd7d9bfe073a300275e7f777863469e2e705b22c8d06735336e127f15ceae03ab2df922603567b325381ce0fc97482d747dbea7e957e4ce4e7f45294729787b8839efc375fac55074bb118dd8428bb9dd852bf9b37eb3e172735de3b9be87db2d776cee9432f5bfc8cd64b7045a42e68b81f9ac7a23305101de3f5f67a220d074eed02799aa76fbef94f92f5fb8ed9a2602f4ecd819d72972e970d59208a916d76c24c45ba5d066c29c919e268992557972b2360092", 0xbb}, {0x0}], 0x5, &(0x7f00000007c0)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, r7, 0xffffffffffffffff}}}], 0x40, 0x4008001}, 0x20000000) setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={r5, r7, 0xee00}, 0xc) 06:53:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 206.859971][ T8309] block nbd0: Receive control failed (result -22) [ 206.874585][T16599] block nbd0: shutting down sockets [ 206.908781][T16601] block nbd0: Could not allocate knbd recv work queue. [ 206.928922][T16601] block nbd0: shutting down sockets 06:53:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendto$ax25(r5, &(0x7f00000000c0)="7d54204578e2232614a42780f446962ab414b001400ff6caa12e95fd5c4e03fac031a3d5bc669649cc4863b519229b1d2d913dc3dc08869f651042224c6cf13ceaa06df30a64888bc52045bf8a28786dca3086026c4fe28f78030d9a8d288ba122fbda3b3987461eb9e85bef66d50baa5ca8350b3661a8776de9001fa1509a46f5496ffe90f5f3559f4e4335e1b604e8bf7892a6f43f6b1c3770c7d39c909237c07cd0be3a92175d0d0f1d97c409b96a6fee6770e1db9363caa8aef0b879f291a861a755eb833f19b601c981df9285cf67944cae4ecb1e12a4b98d86d151987bf1c1e0fc38826b2dd85945b11d854a412dbae90f", 0xf4, 0x4000800, &(0x7f0000000000)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0x2}, [@default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @default, @default, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x48) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 206.953812][ T8358] block nbd1: Receive control failed (result -22) [ 206.953816][ T8309] block nbd1: Receive control failed (result -22) [ 206.980582][T16595] block nbd1: shutting down sockets [ 206.986009][ T8309] block nbd4: Receive control failed (result -22) [ 206.994324][ T8309] block nbd3: Receive control failed (result -22) [ 207.002096][ T8309] block nbd3: Receive control failed (result -22) 06:53:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$BLKFLSBUF(r5, 0x1261, &(0x7f0000000040)=0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r8) r9 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r9, 0x0, r9) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r7, 0x84, 0x16, &(0x7f0000000380)=ANY=[@ANYRES16, @ANYRESOCT, @ANYRES64=r8, @ANYRESOCT=r9, @ANYRES64=r6, @ANYBLOB="d08533f2ab523a7a07e2536f3883ab817b5684c1bc5fc74b737ea256e4405e1c908124e96b97fe02d5a7b18881d0040b217133f026c2ca83752459dd", @ANYBLOB="45f3af69f30fe89ace8bd3cb4aade8752e7bb7e34a55a19d13a9fc0fe884b7e32fac9811e72e4c4660ca3604cb9eb536a70f32f321d9789b0ec39268be99eff44d13bf4bd80a1f8d18f0740324d612513c6b171faf66b0e2b9c3de84455804bf71db2345d9817f756fc6161c68b05119c60da848f484cf4331d28c6a5d7a1ebc5ae0f4c5213e4f3f1289ead5", @ANYRESHEX=r5, @ANYPTR64], 0x9) ioctl$NBD_DO_IT(r2, 0xab03) [ 207.024261][T16611] block nbd3: shutting down sockets 06:53:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$TIPC_CONN_TIMEOUT(r4, 0x10f, 0x82, &(0x7f0000000040)=0x81, 0x4) r5 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) fcntl$F_SET_FILE_RW_HINT(r7, 0x40e, &(0x7f0000000000)=0x4) ioctl$BLKROTATIONAL(r7, 0x127e, &(0x7f00000000c0)) [ 207.098018][T16623] block nbd5: shutting down sockets [ 207.109275][ T8309] block nbd1: Receive control failed (result -22) [ 207.117930][ T8309] block nbd1: Receive control failed (result -22) [ 207.126505][T16621] block nbd1: shutting down sockets 06:53:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x14500) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 207.146893][ T8309] block nbd3: Receive control failed (result -22) [ 207.146897][ T8135] block nbd3: Receive control failed (result -22) [ 207.177987][T16627] block nbd3: shutting down sockets [ 207.186493][ T8135] block nbd0: Receive control failed (result -22) [ 207.194797][ T8135] block nbd0: Receive control failed (result -22) [ 207.203922][T16618] block nbd0: shutting down sockets [ 207.335334][ T8135] block nbd1: Receive control failed (result -22) [ 207.349767][T16631] block nbd1: shutting down sockets 06:53:14 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) r7 = fcntl$dupfd(r6, 0x0, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x40000, 0x0) pipe(&(0x7f0000000040)) r10 = socket$inet6_tcp(0xa, 0x1, 0x0) r11 = fcntl$dupfd(r10, 0x0, r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) r12 = socket$inet6_tcp(0xa, 0x1, 0x0) r13 = fcntl$dupfd(r12, 0x0, r12) ioctl$PERF_EVENT_IOC_ENABLE(r13, 0x8912, 0x400200) ioctl$NBD_DO_IT(r13, 0xab03) 06:53:14 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xd4200) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 06:53:14 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r1, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r1, 0x1) write$binfmt_elf64(r1, &(0x7f0000000880)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "", [[], [], [], [], []]}, 0x578) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000810000)={0x0, 0x1}, 0x8) shutdown(r1, 0x0) 06:53:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x1, 0x0) openat$md(0xffffffffffffff9c, &(0x7f0000000000)='/dev/md0\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) r6 = socket$inet(0x2, 0x3, 0x2) getsockopt$inet_sctp_SCTP_MAX_BURST(r6, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, &(0x7f00000000c0)={r7, @in={{0xa, 0x0, @empty}}}, &(0x7f0000000040)=0x90) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, &(0x7f00000000c0)={r7, @in6={{0xa, 0x4e22, 0x0, @mcast1, 0x8}}, 0x2, 0x4}, 0x90) r8 = socket(0x1, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r8) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 207.637457][T16635] block nbd5: shutting down sockets [ 207.649653][T16634] block nbd3: shutting down sockets [ 207.670687][ T8135] block nbd0: Receive control failed (result -22) [ 207.678490][ T8135] block nbd0: Receive control failed (result -22) [ 207.686361][T16636] block nbd0: shutting down sockets [ 207.707882][T16608] block nbd4: shutting down sockets [ 364.381787][ T1070] INFO: task syz-executor.4:16608 blocked for more than 143 seconds. [ 364.390215][ T1070] Not tainted 5.4.0-rc3+ #0 [ 364.395855][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 364.404598][ T1070] syz-executor.4 D28040 16608 7927 0x00004004 [ 364.410932][ T1070] Call Trace: [ 364.414286][ T1070] __schedule+0x74b/0xb80 [ 364.418641][ T1070] schedule+0x131/0x1e0 [ 364.422858][ T1070] schedule_timeout+0x46/0x240 [ 364.427629][ T1070] do_wait_for_common+0x2e7/0x4d0 [ 364.432686][ T1070] ? console_conditional_schedule+0x40/0x40 [ 364.438580][ T1070] ? do_task_dead+0xc0/0xc0 [ 364.443319][ T1070] wait_for_completion+0x47/0x60 [ 364.448283][ T1070] flush_workqueue+0x60d/0x14b0 [ 364.453180][ T1070] ? __dev_printk+0x184/0x1ad [ 364.457875][ T1070] ? _dev_warn+0xb9/0xdb [ 364.462207][ T1070] nbd_ioctl+0x9d2/0xac0 [ 364.466453][ T1070] ? init_wait_entry+0xe0/0xe0 [ 364.471226][ T1070] ? nbd_release+0x120/0x120 [ 364.475865][ T1070] blkdev_ioctl+0x807/0x2980 [ 364.480468][ T1070] ? tomoyo_path_number_perm+0x53e/0x640 [ 364.486162][ T1070] block_ioctl+0xbd/0x100 [ 364.490487][ T1070] ? blkdev_iopoll+0x100/0x100 [ 364.495336][ T1070] do_vfs_ioctl+0x744/0x1730 [ 364.500079][ T1070] ? __fget+0x4b1/0x510 [ 364.504416][ T1070] ? tomoyo_file_ioctl+0x23/0x30 [ 364.509354][ T1070] ? security_file_ioctl+0xa1/0xd0 [ 364.514505][ T1070] __x64_sys_ioctl+0xe3/0x120 [ 364.519987][ T1070] do_syscall_64+0xf7/0x1c0 [ 364.525331][ T1070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.531229][ T1070] RIP: 0033:0x459a59 [ 364.535285][ T1070] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <90> 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 364.555488][ T1070] RSP: 002b:00007f945ace5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 364.564758][ T1070] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000459a59 [ 364.572780][ T1070] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 364.581408][ T1070] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 364.589502][ T1070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f945ace66d4 [ 364.597651][ T1070] R13: 00000000004c33ab R14: 00000000004d70e8 R15: 00000000ffffffff [ 364.605743][ T1070] [ 364.605743][ T1070] Showing all locks held in the system: [ 364.613535][ T1070] 1 lock held by khungtaskd/1070: [ 364.618555][ T1070] #0: ffffffff888d3f80 (rcu_read_lock){....}, at: rcu_lock_acquire+0x4/0x30 [ 364.627427][ T1070] 2 locks held by rsyslogd/7790: [ 364.632385][ T1070] #0: ffff888095e85420 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x243/0x2e0 [ 364.641099][ T1070] #1: ffff8880aea34998 (&rq->lock){-.-.}, at: __schedule+0xd6/0xb80 [ 364.649338][ T1070] 2 locks held by getty/7880: [ 364.655413][ T1070] #0: ffff8880916e6090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.664666][ T1070] #1: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.674270][ T1070] 2 locks held by getty/7881: [ 364.678939][ T1070] #0: ffff888099674090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.688222][ T1070] #1: ffffc90005f252e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.697926][ T1070] 2 locks held by getty/7882: [ 364.703172][ T1070] #0: ffff8880a2c2f090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.713542][ T1070] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.723381][ T1070] 2 locks held by getty/7883: [ 364.728067][ T1070] #0: ffff8880a8bc8090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.737454][ T1070] #1: ffffc90005f092e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.747238][ T1070] 2 locks held by getty/7884: [ 364.752054][ T1070] #0: ffff8880960d3090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.761740][ T1070] #1: ffffc90005f152e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.771579][ T1070] 2 locks held by getty/7885: [ 364.776262][ T1070] #0: ffff8880a107d090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.786278][ T1070] #1: ffffc90005f2d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.797217][ T1070] 2 locks held by getty/7886: [ 364.801937][ T1070] #0: ffff8880a1a6a090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 [ 364.811154][ T1070] #1: ffffc90005f012e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x221/0x1b00 [ 364.820799][ T1070] 2 locks held by kworker/u5:3/8358: [ 364.826122][ T1070] #0: ffff8880984b9d28 ((wq_completion)knbd4-recv){+.+.}, at: process_one_work+0x75d/0x10e0 [ 364.836368][ T1070] #1: ffff888058b5fd78 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x79f/0x10e0 [ 364.847022][ T1070] [ 364.849337][ T1070] ============================================= [ 364.849337][ T1070] [ 364.857778][ T1070] NMI backtrace for cpu 1 [ 364.862213][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0 [ 364.869672][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.880828][ T1070] Call Trace: [ 364.884116][ T1070] dump_stack+0x1d8/0x2f8 [ 364.888528][ T1070] nmi_cpu_backtrace+0xaf/0x1a0 [ 364.893370][ T1070] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 364.899512][ T1070] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 364.906519][ T1070] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 364.912505][ T1070] arch_trigger_cpumask_backtrace+0x10/0x20 [ 364.918731][ T1070] trigger_all_cpu_backtrace+0x17/0x20 [ 364.924194][ T1070] watchdog+0xbb9/0xbd0 [ 364.928351][ T1070] kthread+0x332/0x350 [ 364.932606][ T1070] ? hungtask_pm_notify+0x50/0x50 [ 364.937701][ T1070] ? kthread_blkcg+0xe0/0xe0 [ 364.942372][ T1070] ret_from_fork+0x24/0x30 [ 364.947017][ T1070] Sending NMI from CPU 1 to CPUs 0: [ 364.952508][ C0] NMI backtrace for cpu 0 [ 364.952511][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0 [ 364.952515][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.952517][ C0] RIP: 0010:check_preemption_disabled+0x4f/0x2a0 [ 364.952524][ C0] Code: 8b 1d b1 bf b9 7c 89 de 81 e6 ff ff ff 7f 31 ff e8 06 fe 2a fe 81 e3 ff ff ff 7f 74 17 e8 59 fa 2a fe 44 89 e8 48 83 c4 10 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c0 e8 91 8a 88 48 c1 e8 03 48 [ 364.952526][ C0] RSP: 0018:ffff8880aea09f48 EFLAGS: 00000082 [ 364.952531][ C0] RAX: 0000000000000000 RBX: ffffffff88875a00 RCX: ffffffff88875a00 [ 364.952534][ C0] RDX: 0000000080010001 RSI: 0000000000010001 RDI: 0000000000000000 [ 364.952537][ C0] RBP: ffff8880aea09f68 R08: ffffffff83483e2a R09: fffffbfff110eb41 [ 364.952540][ C0] R10: fffffbfff110eb41 R11: 0000000000000000 R12: ffffffff88577100 [ 364.952543][ C0] R13: 0000000000000000 R14: ffffffff884f2b90 R15: ffffffff8839213d [ 364.952546][ C0] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 364.952548][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 364.952551][ C0] CR2: ffffffffff600400 CR3: 000000009c5cd000 CR4: 00000000001406f0 [ 364.952554][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 364.952557][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 364.952558][ C0] Call Trace: [ 364.952560][ C0] [ 364.952562][ C0] debug_smp_processor_id+0x1c/0x20 [ 364.952564][ C0] scheduler_ipi+0x200/0x4a0 [ 364.952566][ C0] smp_reschedule_interrupt+0x7a/0xa0 [ 364.952568][ C0] reschedule_interrupt+0xf/0x20 [ 364.952570][ C0] [ 364.952572][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 364.952578][ C0] Code: 33 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 94 d6 33 fa eb b0 90 90 e9 07 00 00 00 0f 00 2d 66 f9 49 00 fb f4 90 e9 07 00 00 00 0f 00 2d 56 f9 49 00 f4 c3 90 90 55 48 89 e5 [ 364.952580][ C0] RSP: 0018:ffffffff88807dc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 364.952585][ C0] RAX: 1ffffffff1115241 RBX: ffffffff88875a00 RCX: dffffc0000000000 [ 364.952588][ C0] RDX: 0000000000000000 RSI: ffffffff812b7c7a RDI: ffffffff88876244 [ 364.952591][ C0] RBP: ffffffff88807dc8 R08: ffffffff88876258 R09: fffffbfff110eb41 [ 364.952594][ C0] R10: fffffbfff110eb41 R11: 0000000000000000 R12: dffffc0000000000 [ 364.952597][ C0] R13: 1ffffffff110eb40 R14: dffffc0000000000 R15: 1ffffffff111523f [ 364.952599][ C0] ? arch_cpu_idle+0xa/0x10 [ 364.952601][ C0] ? default_idle+0x50/0x70 [ 364.952603][ C0] arch_cpu_idle+0xa/0x10 [ 364.952605][ C0] default_idle_call+0x59/0xa0 [ 364.952607][ C0] do_idle+0x140/0x670 [ 364.952609][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 364.952612][ C0] cpu_startup_entry+0x25/0x30 [ 364.952614][ C0] rest_init+0x29d/0x2b0 [ 364.952616][ C0] arch_call_rest_init+0xe/0x10 [ 364.952618][ C0] start_kernel+0x6d1/0x7d2 [ 364.952620][ C0] x86_64_start_reservations+0x18/0x2e [ 364.952622][ C0] x86_64_start_kernel+0x7a/0x7d [ 364.952624][ C0] secondary_startup_64+0xa4/0xb0 [ 365.268521][ T1070] Kernel panic - not syncing: hung_task: blocked tasks [ 365.276381][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0 [ 365.284001][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.294072][ T1070] Call Trace: [ 365.297384][ T1070] dump_stack+0x1d8/0x2f8 [ 365.301707][ T1070] panic+0x264/0x7a9 [ 365.305613][ T1070] ? nmi_trigger_cpumask_backtrace+0x21a/0x290 [ 365.312016][ T1070] watchdog+0xbcc/0xbd0 [ 365.316456][ T1070] kthread+0x332/0x350 [ 365.321114][ T1070] ? hungtask_pm_notify+0x50/0x50 [ 365.326130][ T1070] ? kthread_blkcg+0xe0/0xe0 [ 365.330895][ T1070] ret_from_fork+0x24/0x30 [ 365.337312][ T1070] Kernel Offset: disabled [ 365.341680][ T1070] Rebooting in 86400 seconds..